./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 791161d1 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko-entry_point.cil.out.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 73e11d79da89f19153d89e853a8d4a3607f25d95ae579da9c148a59839e48ce3 --- Real Ultimate output --- This is Ultimate 0.2.2-?-791161d [2022-07-23 01:41:16,673 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-23 01:41:16,674 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-23 01:41:16,693 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-23 01:41:16,693 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-23 01:41:16,694 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-23 01:41:16,695 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-23 01:41:16,696 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-23 01:41:16,697 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-23 01:41:16,698 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-23 01:41:16,699 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-23 01:41:16,700 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-23 01:41:16,700 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-23 01:41:16,701 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-23 01:41:16,702 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-23 01:41:16,702 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-23 01:41:16,703 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-23 01:41:16,704 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-23 01:41:16,705 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-23 01:41:16,706 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-23 01:41:16,707 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-23 01:41:16,708 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-23 01:41:16,709 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-23 01:41:16,709 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-23 01:41:16,710 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-23 01:41:16,712 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-23 01:41:16,712 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-23 01:41:16,712 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-23 01:41:16,713 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-23 01:41:16,713 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-23 01:41:16,714 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-23 01:41:16,714 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-23 01:41:16,715 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-23 01:41:16,715 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-23 01:41:16,716 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-23 01:41:16,717 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-23 01:41:16,717 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-23 01:41:16,717 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-23 01:41:16,718 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-23 01:41:16,718 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-23 01:41:16,719 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-23 01:41:16,719 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-23 01:41:16,720 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-23 01:41:16,733 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-23 01:41:16,733 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-23 01:41:16,734 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-23 01:41:16,734 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-23 01:41:16,734 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-23 01:41:16,735 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-23 01:41:16,735 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-23 01:41:16,735 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-23 01:41:16,736 INFO L138 SettingsManager]: * Use SBE=true [2022-07-23 01:41:16,736 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-23 01:41:16,736 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-23 01:41:16,736 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-23 01:41:16,736 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-23 01:41:16,737 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-23 01:41:16,737 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-23 01:41:16,737 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-23 01:41:16,737 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-23 01:41:16,738 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-23 01:41:16,738 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-23 01:41:16,738 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-23 01:41:16,738 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-23 01:41:16,738 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-23 01:41:16,739 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-23 01:41:16,739 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-23 01:41:16,739 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-23 01:41:16,739 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-23 01:41:16,739 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-23 01:41:16,740 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-23 01:41:16,740 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-23 01:41:16,740 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-23 01:41:16,740 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 73e11d79da89f19153d89e853a8d4a3607f25d95ae579da9c148a59839e48ce3 [2022-07-23 01:41:16,910 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-23 01:41:16,936 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-23 01:41:16,939 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-23 01:41:16,941 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-23 01:41:16,942 INFO L275 PluginConnector]: CDTParser initialized [2022-07-23 01:41:16,943 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko-entry_point.cil.out.i [2022-07-23 01:41:16,999 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e5cac4220/eb7f30f71c0144ab8925abc15c2b6490/FLAG1fa57abaa [2022-07-23 01:41:17,775 INFO L306 CDTParser]: Found 1 translation units. [2022-07-23 01:41:17,775 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko-entry_point.cil.out.i [2022-07-23 01:41:17,824 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e5cac4220/eb7f30f71c0144ab8925abc15c2b6490/FLAG1fa57abaa [2022-07-23 01:41:18,025 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e5cac4220/eb7f30f71c0144ab8925abc15c2b6490 [2022-07-23 01:41:18,028 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-23 01:41:18,030 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-23 01:41:18,032 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-23 01:41:18,033 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-23 01:41:18,036 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-23 01:41:18,036 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 01:41:18" (1/1) ... [2022-07-23 01:41:18,037 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7620a467 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 01:41:18, skipping insertion in model container [2022-07-23 01:41:18,038 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 01:41:18" (1/1) ... [2022-07-23 01:41:18,044 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-23 01:41:18,224 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-23 01:41:20,423 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-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko-entry_point.cil.out.i[468644,468657] [2022-07-23 01:41:20,463 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-23 01:41:20,510 INFO L203 MainTranslator]: Completed pre-run [2022-07-23 01:41:20,705 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: eeprom_val = (unsigned int )eeprom_val & 255U [9822] 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.FunctionHandler.handleFunctionDefinition(FunctionHandler.java:371) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1470) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:289) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.processTUchild(CHandler.java:3276) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2361) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:601) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:270) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.performMainRun(MainTranslator.java:244) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.translate(MainTranslator.java:206) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:115) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:93) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-07-23 01:41:20,709 INFO L158 Benchmark]: Toolchain (without parser) took 2678.35ms. Allocated memory was 98.6MB in the beginning and 247.5MB in the end (delta: 148.9MB). Free memory was 69.5MB in the beginning and 131.4MB in the end (delta: -61.9MB). Peak memory consumption was 85.8MB. Max. memory is 16.1GB. [2022-07-23 01:41:20,710 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 98.6MB. Free memory was 53.5MB in the beginning and 53.4MB in the end (delta: 42.2kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-23 01:41:20,710 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2675.62ms. Allocated memory was 98.6MB in the beginning and 247.5MB in the end (delta: 148.9MB). Free memory was 69.2MB in the beginning and 131.4MB in the end (delta: -62.2MB). Peak memory consumption was 85.8MB. Max. memory is 16.1GB. [2022-07-23 01:41:20,711 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 98.6MB. Free memory was 53.5MB in the beginning and 53.4MB in the end (delta: 42.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2675.62ms. Allocated memory was 98.6MB in the beginning and 247.5MB in the end (delta: 148.9MB). Free memory was 69.2MB in the beginning and 131.4MB in the end (delta: -62.2MB). Peak memory consumption was 85.8MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: TypeCheckException: Type check failed for C: eeprom_val = (unsigned int )eeprom_val & 255U [9822] de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: TypeCheckException: Type check failed for C: eeprom_val = (unsigned int )eeprom_val & 255U [9822]: 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-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko-entry_point.cil.out.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 73e11d79da89f19153d89e853a8d4a3607f25d95ae579da9c148a59839e48ce3 --- Real Ultimate output --- This is Ultimate 0.2.2-?-791161d [2022-07-23 01:41:22,477 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-23 01:41:22,479 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-23 01:41:22,511 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-23 01:41:22,512 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-23 01:41:22,513 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-23 01:41:22,516 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-23 01:41:22,518 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-23 01:41:22,520 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-23 01:41:22,523 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-23 01:41:22,528 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-23 01:41:22,532 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-23 01:41:22,532 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-23 01:41:22,533 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-23 01:41:22,534 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-23 01:41:22,536 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-23 01:41:22,537 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-23 01:41:22,538 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-23 01:41:22,539 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-23 01:41:22,544 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-23 01:41:22,544 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-23 01:41:22,545 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-23 01:41:22,547 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-23 01:41:22,547 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-23 01:41:22,548 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-23 01:41:22,554 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-23 01:41:22,554 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-23 01:41:22,554 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-23 01:41:22,555 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-23 01:41:22,555 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-23 01:41:22,556 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-23 01:41:22,556 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-23 01:41:22,558 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-23 01:41:22,558 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-23 01:41:22,559 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-23 01:41:22,560 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-23 01:41:22,560 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-23 01:41:22,560 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-23 01:41:22,561 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-23 01:41:22,561 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-23 01:41:22,561 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-23 01:41:22,562 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-23 01:41:22,567 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-07-23 01:41:22,591 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-23 01:41:22,591 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-23 01:41:22,592 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-23 01:41:22,592 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-23 01:41:22,592 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-23 01:41:22,593 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-23 01:41:22,593 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-23 01:41:22,593 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-23 01:41:22,594 INFO L138 SettingsManager]: * Use SBE=true [2022-07-23 01:41:22,594 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-23 01:41:22,595 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-23 01:41:22,595 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-23 01:41:22,595 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-23 01:41:22,595 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-23 01:41:22,595 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-07-23 01:41:22,595 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-07-23 01:41:22,596 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-07-23 01:41:22,596 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-23 01:41:22,596 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-23 01:41:22,596 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-23 01:41:22,596 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-23 01:41:22,597 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-23 01:41:22,597 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-23 01:41:22,597 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-23 01:41:22,597 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-23 01:41:22,597 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-23 01:41:22,597 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-23 01:41:22,597 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-07-23 01:41:22,598 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-07-23 01:41:22,598 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-23 01:41:22,598 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-23 01:41:22,598 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-23 01:41:22,598 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-07-23 01:41:22,599 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 73e11d79da89f19153d89e853a8d4a3607f25d95ae579da9c148a59839e48ce3 [2022-07-23 01:41:22,868 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-23 01:41:22,892 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-23 01:41:22,894 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-23 01:41:22,895 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-23 01:41:22,896 INFO L275 PluginConnector]: CDTParser initialized [2022-07-23 01:41:22,897 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko-entry_point.cil.out.i [2022-07-23 01:41:22,944 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/11f017684/39b8f3073b5c4c2e9dfd8c060eb83a0b/FLAG4abb04dd0 [2022-07-23 01:41:23,679 INFO L306 CDTParser]: Found 1 translation units. [2022-07-23 01:41:23,680 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko-entry_point.cil.out.i [2022-07-23 01:41:23,721 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/11f017684/39b8f3073b5c4c2e9dfd8c060eb83a0b/FLAG4abb04dd0 [2022-07-23 01:41:23,978 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/11f017684/39b8f3073b5c4c2e9dfd8c060eb83a0b [2022-07-23 01:41:23,980 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-23 01:41:23,981 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-23 01:41:23,983 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-23 01:41:23,983 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-23 01:41:23,986 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-23 01:41:23,986 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 01:41:23" (1/1) ... [2022-07-23 01:41:23,987 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@b65495b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 01:41:23, skipping insertion in model container [2022-07-23 01:41:23,987 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 01:41:23" (1/1) ... [2022-07-23 01:41:23,991 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-23 01:41:24,171 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-23 01:41:26,420 WARN L570 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2022-07-23 01:41:26,492 WARN L570 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2022-07-23 01:41:26,554 WARN L570 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2022-07-23 01:41:26,703 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-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko-entry_point.cil.out.i[468644,468657] [2022-07-23 01:41:26,753 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-23 01:41:26,836 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-07-23 01:41:26,894 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-23 01:41:27,205 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-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko-entry_point.cil.out.i[468644,468657] [2022-07-23 01:41:27,210 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-23 01:41:27,237 INFO L203 MainTranslator]: Completed pre-run [2022-07-23 01:41:27,533 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-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko-entry_point.cil.out.i[468644,468657] [2022-07-23 01:41:27,537 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-23 01:41:27,673 INFO L208 MainTranslator]: Completed translation [2022-07-23 01:41:27,673 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 01:41:27 WrapperNode [2022-07-23 01:41:27,674 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-23 01:41:27,674 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-23 01:41:27,675 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-23 01:41:27,675 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-23 01:41:27,679 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 01:41:27" (1/1) ... [2022-07-23 01:41:27,826 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 01:41:27" (1/1) ... [2022-07-23 01:41:28,036 INFO L137 Inliner]: procedures = 455, calls = 4514, calls flagged for inlining = 181, calls inlined = 178, statements flattened = 8094 [2022-07-23 01:41:28,037 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-23 01:41:28,037 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-23 01:41:28,037 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-23 01:41:28,038 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-23 01:41:28,044 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 01:41:27" (1/1) ... [2022-07-23 01:41:28,044 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 01:41:27" (1/1) ... [2022-07-23 01:41:28,098 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 01:41:27" (1/1) ... [2022-07-23 01:41:28,099 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 01:41:27" (1/1) ... [2022-07-23 01:41:28,400 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 01:41:27" (1/1) ... [2022-07-23 01:41:28,425 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 01:41:27" (1/1) ... [2022-07-23 01:41:28,460 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 01:41:27" (1/1) ... [2022-07-23 01:41:28,500 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-23 01:41:28,502 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-23 01:41:28,502 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-23 01:41:28,502 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-23 01:41:28,503 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 01:41:27" (1/1) ... [2022-07-23 01:41:28,508 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-23 01:41:28,517 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 01:41:28,529 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-07-23 01:41:28,531 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-07-23 01:41:28,589 INFO L130 BoogieDeclarations]: Found specification of procedure rtl818x_ioread8 [2022-07-23 01:41:28,589 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl818x_ioread8 [2022-07-23 01:41:28,589 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_frequency_to_channel [2022-07-23 01:41:28,589 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_frequency_to_channel [2022-07-23 01:41:28,589 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_free_tx_ring [2022-07-23 01:41:28,590 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_free_tx_ring [2022-07-23 01:41:28,590 INFO L130 BoogieDeclarations]: Found specification of procedure rtl818x_iowrite8 [2022-07-23 01:41:28,590 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl818x_iowrite8 [2022-07-23 01:41:28,590 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-07-23 01:41:28,590 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-07-23 01:41:28,590 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-07-23 01:41:28,590 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-07-23 01:41:28,590 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2022-07-23 01:41:28,590 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2022-07-23 01:41:28,590 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-23 01:41:28,590 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-23 01:41:28,590 INFO L130 BoogieDeclarations]: Found specification of procedure max2820_rf_init [2022-07-23 01:41:28,590 INFO L138 BoogieDeclarations]: Found implementation of procedure max2820_rf_init [2022-07-23 01:41:28,590 INFO L130 BoogieDeclarations]: Found specification of procedure sa2400_rf_calc_rssi [2022-07-23 01:41:28,590 INFO L138 BoogieDeclarations]: Found implementation of procedure sa2400_rf_calc_rssi [2022-07-23 01:41:28,590 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8187se_rf_writereg [2022-07-23 01:41:28,590 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8187se_rf_writereg [2022-07-23 01:41:28,590 INFO L130 BoogieDeclarations]: Found specification of procedure usleep_range [2022-07-23 01:41:28,591 INFO L138 BoogieDeclarations]: Found implementation of procedure usleep_range [2022-07-23 01:41:28,591 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_generic_frame_duration [2022-07-23 01:41:28,591 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_generic_frame_duration [2022-07-23 01:41:28,591 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_3 [2022-07-23 01:41:28,591 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_3 [2022-07-23 01:41:28,591 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-07-23 01:41:28,591 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-07-23 01:41:28,591 INFO L130 BoogieDeclarations]: Found specification of procedure fls [2022-07-23 01:41:28,591 INFO L138 BoogieDeclarations]: Found implementation of procedure fls [2022-07-23 01:41:28,591 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2022-07-23 01:41:28,591 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2022-07-23 01:41:28,591 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-07-23 01:41:28,591 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-07-23 01:41:28,591 INFO L130 BoogieDeclarations]: Found specification of procedure sa2400_write_phy_antenna [2022-07-23 01:41:28,591 INFO L138 BoogieDeclarations]: Found implementation of procedure sa2400_write_phy_antenna [2022-07-23 01:41:28,591 INFO L130 BoogieDeclarations]: Found specification of procedure sa2400_rf_init [2022-07-23 01:41:28,591 INFO L138 BoogieDeclarations]: Found implementation of procedure sa2400_rf_init [2022-07-23 01:41:28,591 INFO L130 BoogieDeclarations]: Found specification of procedure rtl818x_ioread32 [2022-07-23 01:41:28,592 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl818x_ioread32 [2022-07-23 01:41:28,592 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_free_rx_ring [2022-07-23 01:41:28,592 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_free_rx_ring [2022-07-23 01:41:28,592 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_bss_info_changed [2022-07-23 01:41:28,592 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_bss_info_changed [2022-07-23 01:41:28,592 INFO L130 BoogieDeclarations]: Found specification of procedure grf5101_rf_calc_rssi [2022-07-23 01:41:28,592 INFO L138 BoogieDeclarations]: Found implementation of procedure grf5101_rf_calc_rssi [2022-07-23 01:41:28,592 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-07-23 01:41:28,592 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-07-23 01:41:28,592 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2022-07-23 01:41:28,592 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2022-07-23 01:41:28,592 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-23 01:41:28,592 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225z2_rf_set_tx_power [2022-07-23 01:41:28,592 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225z2_rf_set_tx_power [2022-07-23 01:41:28,592 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2022-07-23 01:41:28,592 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-07-23 01:41:28,592 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-07-23 01:41:28,592 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2022-07-23 01:41:28,592 INFO L130 BoogieDeclarations]: Found specification of procedure rtl818x_ioread16 [2022-07-23 01:41:28,593 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl818x_ioread16 [2022-07-23 01:41:28,593 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-07-23 01:41:28,593 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-07-23 01:41:28,593 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_set_anaparam [2022-07-23 01:41:28,596 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_set_anaparam [2022-07-23 01:41:28,596 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_get_tx_rate [2022-07-23 01:41:28,596 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_get_tx_rate [2022-07-23 01:41:28,596 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-07-23 01:41:28,597 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-07-23 01:41:28,597 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-07-23 01:41:28,597 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-07-23 01:41:28,597 INFO L130 BoogieDeclarations]: Found specification of procedure max2820_rf_stop [2022-07-23 01:41:28,597 INFO L138 BoogieDeclarations]: Found implementation of procedure max2820_rf_stop [2022-07-23 01:41:28,597 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_rf_stop [2022-07-23 01:41:28,597 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_rf_stop [2022-07-23 01:41:28,597 INFO L130 BoogieDeclarations]: Found specification of procedure pci_zalloc_consistent [2022-07-23 01:41:28,597 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_zalloc_consistent [2022-07-23 01:41:28,597 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_resume_early_10 [2022-07-23 01:41:28,597 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_resume_early_10 [2022-07-23 01:41:28,597 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-07-23 01:41:28,597 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-07-23 01:41:28,597 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_get_tsf [2022-07-23 01:41:28,597 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_get_tsf [2022-07-23 01:41:28,597 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-23 01:41:28,597 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-23 01:41:28,597 INFO L130 BoogieDeclarations]: Found specification of procedure reg_check_2 [2022-07-23 01:41:28,597 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_check_2 [2022-07-23 01:41:28,598 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-07-23 01:41:28,598 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-07-23 01:41:28,598 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iomap [2022-07-23 01:41:28,598 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iomap [2022-07-23 01:41:28,598 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_add_interface [2022-07-23 01:41:28,598 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_add_interface [2022-07-23 01:41:28,598 INFO L130 BoogieDeclarations]: Found specification of procedure max2820_write_phy_antenna [2022-07-23 01:41:28,598 INFO L138 BoogieDeclarations]: Found implementation of procedure max2820_write_phy_antenna [2022-07-23 01:41:28,598 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2022-07-23 01:41:28,598 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2022-07-23 01:41:28,598 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-07-23 01:41:28,598 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-07-23 01:41:28,598 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_rf_set_channel [2022-07-23 01:41:28,598 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_rf_set_channel [2022-07-23 01:41:28,598 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_rf_set_tx_power [2022-07-23 01:41:28,598 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_rf_set_tx_power [2022-07-23 01:41:28,598 INFO L130 BoogieDeclarations]: Found specification of procedure sa2400_rf_set_channel [2022-07-23 01:41:28,598 INFO L138 BoogieDeclarations]: Found implementation of procedure sa2400_rf_set_channel [2022-07-23 01:41:28,598 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2022-07-23 01:41:28,599 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2022-07-23 01:41:28,611 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_dequeue [2022-07-23 01:41:28,611 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_dequeue [2022-07-23 01:41:28,611 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-23 01:41:28,611 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-23 01:41:28,611 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2022-07-23 01:41:28,611 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2022-07-23 01:41:28,611 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_free_hw [2022-07-23 01:41:28,611 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_free_hw [2022-07-23 01:41:28,612 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_write_phy_cck [2022-07-23 01:41:28,612 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_write_phy_cck [2022-07-23 01:41:28,612 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-07-23 01:41:28,612 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-07-23 01:41:28,612 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-23 01:41:28,612 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2022-07-23 01:41:28,612 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2022-07-23 01:41:28,612 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-07-23 01:41:28,612 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-07-23 01:41:28,612 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2022-07-23 01:41:28,612 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_shutdown_10 [2022-07-23 01:41:28,612 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_shutdown_10 [2022-07-23 01:41:28,612 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_get_rts_cts_rate [2022-07-23 01:41:28,612 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_get_rts_cts_rate [2022-07-23 01:41:28,612 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225se_rf_init [2022-07-23 01:41:28,612 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225se_rf_init [2022-07-23 01:41:28,612 INFO L130 BoogieDeclarations]: Found specification of procedure grf5101_rf_set_channel [2022-07-23 01:41:28,612 INFO L138 BoogieDeclarations]: Found implementation of procedure grf5101_rf_set_channel [2022-07-23 01:41:28,612 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_resume [2022-07-23 01:41:28,613 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_resume [2022-07-23 01:41:28,613 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_set_anaparam2 [2022-07-23 01:41:28,613 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_set_anaparam2 [2022-07-23 01:41:28,613 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_write_phy_ofdm [2022-07-23 01:41:28,613 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_write_phy_ofdm [2022-07-23 01:41:28,613 INFO L130 BoogieDeclarations]: Found specification of procedure max2820_rf_calc_rssi [2022-07-23 01:41:28,613 INFO L138 BoogieDeclarations]: Found implementation of procedure max2820_rf_calc_rssi [2022-07-23 01:41:28,613 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_write_phy [2022-07-23 01:41:28,613 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_write_phy [2022-07-23 01:41:28,613 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2022-07-23 01:41:28,613 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_conf_basic_rates [2022-07-23 01:41:28,613 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_conf_basic_rates [2022-07-23 01:41:28,613 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tail_pointer [2022-07-23 01:41:28,613 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tail_pointer [2022-07-23 01:41:28,613 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-23 01:41:28,613 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-23 01:41:28,613 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-07-23 01:41:28,613 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-07-23 01:41:28,613 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-07-23 01:41:28,613 INFO L130 BoogieDeclarations]: Found specification of procedure write_sa2400 [2022-07-23 01:41:28,614 INFO L138 BoogieDeclarations]: Found implementation of procedure write_sa2400 [2022-07-23 01:41:28,614 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-07-23 01:41:28,614 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-07-23 01:41:28,614 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-23 01:41:28,614 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-07-23 01:41:28,614 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-23 01:41:28,614 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_conf_tx [2022-07-23 01:41:28,614 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_conf_tx [2022-07-23 01:41:28,614 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-23 01:41:28,614 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-23 01:41:28,614 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_stop [2022-07-23 01:41:28,614 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_stop [2022-07-23 01:41:28,614 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2022-07-23 01:41:28,614 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2022-07-23 01:41:28,614 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_disconnect_5 [2022-07-23 01:41:28,614 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_disconnect_5 [2022-07-23 01:41:28,615 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_disconnect_4 [2022-07-23 01:41:28,615 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_disconnect_4 [2022-07-23 01:41:28,615 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_disconnect_9 [2022-07-23 01:41:28,615 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_disconnect_9 [2022-07-23 01:41:28,615 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_disconnect_8 [2022-07-23 01:41:28,615 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_disconnect_8 [2022-07-23 01:41:28,615 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_rf_init [2022-07-23 01:41:28,615 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_rf_init [2022-07-23 01:41:28,615 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_disconnect_7 [2022-07-23 01:41:28,615 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_disconnect_7 [2022-07-23 01:41:28,615 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_disconnect_6 [2022-07-23 01:41:28,615 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_disconnect_6 [2022-07-23 01:41:28,615 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225z2_rf_init [2022-07-23 01:41:28,615 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225z2_rf_init [2022-07-23 01:41:28,615 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_remove [2022-07-23 01:41:28,615 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_remove [2022-07-23 01:41:28,615 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225se_rf_set_channel [2022-07-23 01:41:28,615 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225se_rf_set_channel [2022-07-23 01:41:28,615 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-07-23 01:41:28,615 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-07-23 01:41:28,616 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work_on [2022-07-23 01:41:28,616 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work_on [2022-07-23 01:41:28,616 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2022-07-23 01:41:28,616 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2022-07-23 01:41:28,616 INFO L130 BoogieDeclarations]: Found specification of procedure sa2400_rf_stop [2022-07-23 01:41:28,616 INFO L138 BoogieDeclarations]: Found implementation of procedure sa2400_rf_stop [2022-07-23 01:41:28,616 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-23 01:41:28,616 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-23 01:41:28,616 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_irq_2 [2022-07-23 01:41:28,616 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_irq_2 [2022-07-23 01:41:28,616 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-07-23 01:41:28,616 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-07-23 01:41:28,616 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_int_disable [2022-07-23 01:41:28,616 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_int_disable [2022-07-23 01:41:28,616 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_write [2022-07-23 01:41:28,616 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_write [2022-07-23 01:41:28,616 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-23 01:41:28,616 INFO L130 BoogieDeclarations]: Found specification of procedure grf5101_write_phy_antenna [2022-07-23 01:41:28,616 INFO L138 BoogieDeclarations]: Found implementation of procedure grf5101_write_phy_antenna [2022-07-23 01:41:28,616 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-23 01:41:28,616 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225se_rf_stop [2022-07-23 01:41:28,617 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225se_rf_stop [2022-07-23 01:41:28,617 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2022-07-23 01:41:28,617 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2022-07-23 01:41:28,617 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2022-07-23 01:41:28,617 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-07-23 01:41:28,617 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-07-23 01:41:28,617 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-07-23 01:41:28,617 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-23 01:41:28,617 INFO L130 BoogieDeclarations]: Found specification of procedure grf5101_rf_init [2022-07-23 01:41:28,617 INFO L138 BoogieDeclarations]: Found implementation of procedure grf5101_rf_init [2022-07-23 01:41:28,617 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2022-07-23 01:41:28,617 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2022-07-23 01:41:28,617 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2022-07-23 01:41:28,617 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2022-07-23 01:41:28,617 INFO L130 BoogieDeclarations]: Found specification of procedure _ieee80211_hw_set [2022-07-23 01:41:28,617 INFO L138 BoogieDeclarations]: Found implementation of procedure _ieee80211_hw_set [2022-07-23 01:41:28,617 INFO L130 BoogieDeclarations]: Found specification of procedure write_max2820 [2022-07-23 01:41:28,617 INFO L138 BoogieDeclarations]: Found implementation of procedure write_max2820 [2022-07-23 01:41:28,617 INFO L130 BoogieDeclarations]: Found specification of procedure write_grf5101 [2022-07-23 01:41:28,617 INFO L138 BoogieDeclarations]: Found implementation of procedure write_grf5101 [2022-07-23 01:41:28,617 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8187se_rf_readreg [2022-07-23 01:41:28,617 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8187se_rf_readreg [2022-07-23 01:41:28,618 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_beacon_work [2022-07-23 01:41:28,618 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_beacon_work [2022-07-23 01:41:28,618 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_remove_interface [2022-07-23 01:41:28,618 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_remove_interface [2022-07-23 01:41:28,618 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_mapping_error [2022-07-23 01:41:28,618 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_mapping_error [2022-07-23 01:41:28,618 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_read [2022-07-23 01:41:28,618 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_read [2022-07-23 01:41:28,618 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_handle_rx [2022-07-23 01:41:28,618 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_handle_rx [2022-07-23 01:41:28,618 INFO L130 BoogieDeclarations]: Found specification of procedure max2820_rf_set_channel [2022-07-23 01:41:28,618 INFO L138 BoogieDeclarations]: Found implementation of procedure max2820_rf_set_channel [2022-07-23 01:41:28,618 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2022-07-23 01:41:28,618 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2022-07-23 01:41:28,618 INFO L130 BoogieDeclarations]: Found specification of procedure eeprom_93cx6_read [2022-07-23 01:41:28,618 INFO L138 BoogieDeclarations]: Found implementation of procedure eeprom_93cx6_read [2022-07-23 01:41:28,618 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-07-23 01:41:28,618 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2022-07-23 01:41:28,618 INFO L130 BoogieDeclarations]: Found specification of procedure dev_alloc_skb [2022-07-23 01:41:28,618 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_alloc_skb [2022-07-23 01:41:28,619 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-23 01:41:28,619 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-23 01:41:28,619 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_handle_tx [2022-07-23 01:41:28,619 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_handle_tx [2022-07-23 01:41:28,619 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_configure_filter [2022-07-23 01:41:28,619 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_configure_filter [2022-07-23 01:41:28,619 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8187se_conf_ac_parm [2022-07-23 01:41:28,619 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8187se_conf_ac_parm [2022-07-23 01:41:28,619 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2022-07-23 01:41:28,619 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2022-07-23 01:41:28,619 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2022-07-23 01:41:28,619 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2022-07-23 01:41:28,619 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_2 [2022-07-23 01:41:28,619 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_2 [2022-07-23 01:41:28,619 INFO L130 BoogieDeclarations]: Found specification of procedure grf5101_rf_stop [2022-07-23 01:41:28,619 INFO L138 BoogieDeclarations]: Found implementation of procedure grf5101_rf_stop [2022-07-23 01:41:28,619 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_len [2022-07-23 01:41:28,619 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_len [2022-07-23 01:41:28,619 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_prepare_multicast [2022-07-23 01:41:28,619 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_prepare_multicast [2022-07-23 01:41:28,619 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2022-07-23 01:41:28,619 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2022-07-23 01:41:28,620 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2022-07-23 01:41:28,620 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2022-07-23 01:41:28,620 INFO L130 BoogieDeclarations]: Found specification of procedure rtl818x_iowrite32 [2022-07-23 01:41:28,620 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl818x_iowrite32 [2022-07-23 01:41:28,620 INFO L130 BoogieDeclarations]: Found specification of procedure eeprom_93cx6_multiread [2022-07-23 01:41:28,620 INFO L138 BoogieDeclarations]: Found implementation of procedure eeprom_93cx6_multiread [2022-07-23 01:41:28,620 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_config [2022-07-23 01:41:28,620 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_config [2022-07-23 01:41:28,620 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8187se_three_wire_io [2022-07-23 01:41:28,620 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8187se_three_wire_io [2022-07-23 01:41:28,620 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_tx [2022-07-23 01:41:28,620 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_tx [2022-07-23 01:41:28,620 INFO L130 BoogieDeclarations]: Found specification of procedure rtl818x_iowrite16 [2022-07-23 01:41:28,620 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl818x_iowrite16 [2022-07-23 01:41:28,620 INFO L130 BoogieDeclarations]: Found specification of procedure IEEE80211_SKB_CB [2022-07-23 01:41:28,620 INFO L138 BoogieDeclarations]: Found implementation of procedure IEEE80211_SKB_CB [2022-07-23 01:41:29,603 INFO L234 CfgBuilder]: Building ICFG [2022-07-23 01:41:29,606 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-23 01:41:32,250 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-23 01:42:26,334 INFO L275 CfgBuilder]: Performing block encoding [2022-07-23 01:42:26,352 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-23 01:42:26,352 INFO L299 CfgBuilder]: Removed 78 assume(true) statements. [2022-07-23 01:42:26,357 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 01:42:26 BoogieIcfgContainer [2022-07-23 01:42:26,357 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-23 01:42:26,358 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-23 01:42:26,359 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-23 01:42:26,361 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-23 01:42:26,361 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.07 01:41:23" (1/3) ... [2022-07-23 01:42:26,362 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@162a8a30 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.07 01:42:26, skipping insertion in model container [2022-07-23 01:42:26,362 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 01:41:27" (2/3) ... [2022-07-23 01:42:26,362 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@162a8a30 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.07 01:42:26, skipping insertion in model container [2022-07-23 01:42:26,362 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 01:42:26" (3/3) ... [2022-07-23 01:42:26,363 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko-entry_point.cil.out.i [2022-07-23 01:42:26,374 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-23 01:42:26,374 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-23 01:42:26,550 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-23 01:42:26,558 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@6d41fbd4, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@236caa5b [2022-07-23 01:42:26,558 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-23 01:42:26,583 INFO L276 IsEmpty]: Start isEmpty. Operand has 3746 states, 2156 states have (on average 1.312152133580705) internal successors, (2829), 2311 states have internal predecessors, (2829), 1537 states have call successors, (1537), 130 states have call predecessors, (1537), 129 states have return successors, (1522), 1485 states have call predecessors, (1522), 1522 states have call successors, (1522) [2022-07-23 01:42:26,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 280 [2022-07-23 01:42:26,630 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 01:42:26,632 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 6, 6, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 01:42:26,632 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 01:42:26,637 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 01:42:26,637 INFO L85 PathProgramCache]: Analyzing trace with hash 1156017786, now seen corresponding path program 1 times [2022-07-23 01:42:26,654 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 01:42:26,655 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1350232407] [2022-07-23 01:42:26,655 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 01:42:26,656 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 01:42:26,656 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 01:42:26,672 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-23 01:42:26,677 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-07-23 01:42:36,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:42:36,810 INFO L263 TraceCheckSpWp]: Trace formula consists of 4399 conjuncts, 1 conjunts are in the unsatisfiable core [2022-07-23 01:42:36,843 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 01:42:36,934 INFO L134 CoverageAnalysis]: Checked inductivity of 1059 backedges. 199 proven. 0 refuted. 0 times theorem prover too weak. 860 trivial. 0 not checked. [2022-07-23 01:42:36,934 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-23 01:42:36,942 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-23 01:42:36,942 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1350232407] [2022-07-23 01:42:36,943 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1350232407] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 01:42:36,943 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 01:42:36,943 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-23 01:42:36,944 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2099197662] [2022-07-23 01:42:36,945 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 01:42:36,950 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-07-23 01:42:36,950 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-23 01:42:36,996 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-07-23 01:42:36,996 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-07-23 01:42:37,004 INFO L87 Difference]: Start difference. First operand has 3746 states, 2156 states have (on average 1.312152133580705) internal successors, (2829), 2311 states have internal predecessors, (2829), 1537 states have call successors, (1537), 130 states have call predecessors, (1537), 129 states have return successors, (1522), 1485 states have call predecessors, (1522), 1522 states have call successors, (1522) Second operand has 2 states, 2 states have (on average 30.5) internal successors, (61), 2 states have internal predecessors, (61), 2 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2022-07-23 01:42:37,262 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 01:42:37,262 INFO L93 Difference]: Finished difference Result 7253 states and 11443 transitions. [2022-07-23 01:42:37,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-07-23 01:42:37,264 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 30.5) internal successors, (61), 2 states have internal predecessors, (61), 2 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 279 [2022-07-23 01:42:37,265 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 01:42:37,309 INFO L225 Difference]: With dead ends: 7253 [2022-07-23 01:42:37,310 INFO L226 Difference]: Without dead ends: 3484 [2022-07-23 01:42:37,342 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 278 GetRequests, 278 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-07-23 01:42:37,349 INFO L413 NwaCegarLoop]: 5416 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 5416 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-23 01:42:37,350 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 5416 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-23 01:42:37,368 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3484 states. [2022-07-23 01:42:37,592 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3484 to 3484. [2022-07-23 01:42:37,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3484 states, 1911 states have (on average 1.3003663003663004) internal successors, (2485), 1980 states have internal predecessors, (2485), 1444 states have call successors, (1444), 129 states have call predecessors, (1444), 128 states have return successors, (1443), 1406 states have call predecessors, (1443), 1443 states have call successors, (1443) [2022-07-23 01:42:37,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3484 states to 3484 states and 5372 transitions. [2022-07-23 01:42:37,655 INFO L78 Accepts]: Start accepts. Automaton has 3484 states and 5372 transitions. Word has length 279 [2022-07-23 01:42:37,657 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 01:42:37,658 INFO L495 AbstractCegarLoop]: Abstraction has 3484 states and 5372 transitions. [2022-07-23 01:42:37,659 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 30.5) internal successors, (61), 2 states have internal predecessors, (61), 2 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2022-07-23 01:42:37,659 INFO L276 IsEmpty]: Start isEmpty. Operand 3484 states and 5372 transitions. [2022-07-23 01:42:37,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 280 [2022-07-23 01:42:37,665 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 01:42:37,667 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 6, 6, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 01:42:37,870 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-07-23 01:42:37,887 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-23 01:42:37,888 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 01:42:37,888 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 01:42:37,888 INFO L85 PathProgramCache]: Analyzing trace with hash 1870882658, now seen corresponding path program 1 times [2022-07-23 01:42:37,893 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 01:42:37,893 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [884593643] [2022-07-23 01:42:37,893 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 01:42:37,893 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 01:42:37,894 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 01:42:37,908 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-23 01:42:37,910 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-07-23 01:42:51,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:42:51,551 INFO L263 TraceCheckSpWp]: Trace formula consists of 4399 conjuncts, 5 conjunts are in the unsatisfiable core [2022-07-23 01:42:51,569 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 01:42:51,951 INFO L134 CoverageAnalysis]: Checked inductivity of 1059 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 1014 trivial. 0 not checked. [2022-07-23 01:42:51,951 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-23 01:42:51,951 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-23 01:42:51,952 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [884593643] [2022-07-23 01:42:51,952 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [884593643] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 01:42:51,952 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 01:42:51,952 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-23 01:42:51,952 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1556727861] [2022-07-23 01:42:51,952 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 01:42:51,953 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-23 01:42:51,953 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-23 01:42:51,954 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-23 01:42:51,954 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-23 01:42:51,954 INFO L87 Difference]: Start difference. First operand 3484 states and 5372 transitions. Second operand has 6 states, 5 states have (on average 11.4) internal successors, (57), 6 states have internal predecessors, (57), 3 states have call successors, (25), 2 states have call predecessors, (25), 4 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2022-07-23 01:42:53,343 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 01:42:53,343 INFO L93 Difference]: Finished difference Result 6946 states and 10737 transitions. [2022-07-23 01:42:53,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-23 01:42:53,345 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 11.4) internal successors, (57), 6 states have internal predecessors, (57), 3 states have call successors, (25), 2 states have call predecessors, (25), 4 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) Word has length 279 [2022-07-23 01:42:53,346 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 01:42:53,397 INFO L225 Difference]: With dead ends: 6946 [2022-07-23 01:42:53,397 INFO L226 Difference]: Without dead ends: 3485 [2022-07-23 01:42:53,419 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 280 GetRequests, 274 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-07-23 01:42:53,420 INFO L413 NwaCegarLoop]: 5357 mSDtfsCounter, 6 mSDsluCounter, 21394 mSDsCounter, 0 mSdLazyCounter, 104 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 26751 SdHoareTripleChecker+Invalid, 116 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 104 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-07-23 01:42:53,420 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 26751 Invalid, 116 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 104 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-07-23 01:42:53,426 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3485 states. [2022-07-23 01:42:53,541 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3485 to 3485. [2022-07-23 01:42:53,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3485 states, 1912 states have (on average 1.3002092050209204) internal successors, (2486), 1981 states have internal predecessors, (2486), 1444 states have call successors, (1444), 129 states have call predecessors, (1444), 128 states have return successors, (1443), 1406 states have call predecessors, (1443), 1443 states have call successors, (1443) [2022-07-23 01:42:53,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3485 states to 3485 states and 5373 transitions. [2022-07-23 01:42:53,577 INFO L78 Accepts]: Start accepts. Automaton has 3485 states and 5373 transitions. Word has length 279 [2022-07-23 01:42:53,578 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 01:42:53,578 INFO L495 AbstractCegarLoop]: Abstraction has 3485 states and 5373 transitions. [2022-07-23 01:42:53,579 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 11.4) internal successors, (57), 6 states have internal predecessors, (57), 3 states have call successors, (25), 2 states have call predecessors, (25), 4 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2022-07-23 01:42:53,579 INFO L276 IsEmpty]: Start isEmpty. Operand 3485 states and 5373 transitions. [2022-07-23 01:42:53,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 286 [2022-07-23 01:42:53,583 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 01:42:53,583 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 6, 6, 6, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 01:42:53,721 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Ended with exit code 0 [2022-07-23 01:42:53,799 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-23 01:42:53,799 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 01:42:53,800 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 01:42:53,800 INFO L85 PathProgramCache]: Analyzing trace with hash -441142654, now seen corresponding path program 1 times [2022-07-23 01:42:53,804 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 01:42:53,804 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2125313346] [2022-07-23 01:42:53,804 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 01:42:53,804 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 01:42:53,804 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 01:42:53,810 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-23 01:42:53,812 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-07-23 01:43:09,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:43:09,875 INFO L263 TraceCheckSpWp]: Trace formula consists of 4465 conjuncts, 6 conjunts are in the unsatisfiable core [2022-07-23 01:43:09,884 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 01:43:10,408 INFO L134 CoverageAnalysis]: Checked inductivity of 1110 backedges. 60 proven. 1 refuted. 0 times theorem prover too weak. 1049 trivial. 0 not checked. [2022-07-23 01:43:10,408 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-23 01:43:12,533 INFO L134 CoverageAnalysis]: Checked inductivity of 1110 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 1059 trivial. 0 not checked. [2022-07-23 01:43:12,534 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-23 01:43:12,534 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2125313346] [2022-07-23 01:43:12,534 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2125313346] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-23 01:43:12,534 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-07-23 01:43:12,534 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 11 [2022-07-23 01:43:12,535 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1058257818] [2022-07-23 01:43:12,535 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-07-23 01:43:12,536 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-07-23 01:43:12,536 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-23 01:43:12,536 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-07-23 01:43:12,536 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2022-07-23 01:43:12,537 INFO L87 Difference]: Start difference. First operand 3485 states and 5373 transitions. Second operand has 11 states, 9 states have (on average 8.0) internal successors, (72), 11 states have internal predecessors, (72), 4 states have call successors, (32), 2 states have call predecessors, (32), 5 states have return successors, (30), 4 states have call predecessors, (30), 4 states have call successors, (30) [2022-07-23 01:43:15,220 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 01:43:15,220 INFO L93 Difference]: Finished difference Result 6958 states and 10753 transitions. [2022-07-23 01:43:15,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-07-23 01:43:15,221 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 9 states have (on average 8.0) internal successors, (72), 11 states have internal predecessors, (72), 4 states have call successors, (32), 2 states have call predecessors, (32), 5 states have return successors, (30), 4 states have call predecessors, (30), 4 states have call successors, (30) Word has length 285 [2022-07-23 01:43:15,223 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 01:43:15,246 INFO L225 Difference]: With dead ends: 6958 [2022-07-23 01:43:15,247 INFO L226 Difference]: Without dead ends: 3501 [2022-07-23 01:43:15,266 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 572 GetRequests, 559 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=52, Invalid=158, Unknown=0, NotChecked=0, Total=210 [2022-07-23 01:43:15,268 INFO L413 NwaCegarLoop]: 5360 mSDtfsCounter, 14 mSDsluCounter, 32107 mSDsCounter, 0 mSdLazyCounter, 178 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 37467 SdHoareTripleChecker+Invalid, 213 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 178 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2022-07-23 01:43:15,269 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 37467 Invalid, 213 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [35 Valid, 178 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2022-07-23 01:43:15,273 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3501 states. [2022-07-23 01:43:15,387 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3501 to 3501. [2022-07-23 01:43:15,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3501 states, 1923 states have (on average 1.2990119604784192) internal successors, (2498), 1992 states have internal predecessors, (2498), 1446 states have call successors, (1446), 132 states have call predecessors, (1446), 131 states have return successors, (1445), 1408 states have call predecessors, (1445), 1445 states have call successors, (1445) [2022-07-23 01:43:15,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3501 states to 3501 states and 5389 transitions. [2022-07-23 01:43:15,410 INFO L78 Accepts]: Start accepts. Automaton has 3501 states and 5389 transitions. Word has length 285 [2022-07-23 01:43:15,411 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 01:43:15,411 INFO L495 AbstractCegarLoop]: Abstraction has 3501 states and 5389 transitions. [2022-07-23 01:43:15,411 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 9 states have (on average 8.0) internal successors, (72), 11 states have internal predecessors, (72), 4 states have call successors, (32), 2 states have call predecessors, (32), 5 states have return successors, (30), 4 states have call predecessors, (30), 4 states have call successors, (30) [2022-07-23 01:43:15,412 INFO L276 IsEmpty]: Start isEmpty. Operand 3501 states and 5389 transitions. [2022-07-23 01:43:15,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 292 [2022-07-23 01:43:15,414 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 01:43:15,415 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 6, 6, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 01:43:15,566 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-07-23 01:43:15,628 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-23 01:43:15,628 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 01:43:15,629 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 01:43:15,629 INFO L85 PathProgramCache]: Analyzing trace with hash -1156138526, now seen corresponding path program 2 times [2022-07-23 01:43:15,635 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 01:43:15,635 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1572176571] [2022-07-23 01:43:15,635 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-07-23 01:43:15,639 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 01:43:15,639 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 01:43:15,640 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-23 01:43:15,671 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-07-23 01:43:26,613 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-07-23 01:43:26,614 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-23 01:43:27,048 INFO L263 TraceCheckSpWp]: Trace formula consists of 3692 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-23 01:43:27,054 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 01:43:27,184 INFO L134 CoverageAnalysis]: Checked inductivity of 1197 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1197 trivial. 0 not checked. [2022-07-23 01:43:27,184 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-23 01:43:27,184 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-23 01:43:27,184 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1572176571] [2022-07-23 01:43:27,184 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1572176571] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 01:43:27,184 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 01:43:27,184 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-23 01:43:27,184 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [117347460] [2022-07-23 01:43:27,185 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 01:43:27,185 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-23 01:43:27,185 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-23 01:43:27,185 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-23 01:43:27,186 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-23 01:43:27,186 INFO L87 Difference]: Start difference. First operand 3501 states and 5389 transitions. Second operand has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2022-07-23 01:43:28,436 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 01:43:28,436 INFO L93 Difference]: Finished difference Result 9835 states and 15173 transitions. [2022-07-23 01:43:28,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-23 01:43:28,458 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) Word has length 291 [2022-07-23 01:43:28,460 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 01:43:28,515 INFO L225 Difference]: With dead ends: 9835 [2022-07-23 01:43:28,515 INFO L226 Difference]: Without dead ends: 6384 [2022-07-23 01:43:28,548 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 290 GetRequests, 289 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-23 01:43:28,550 INFO L413 NwaCegarLoop]: 7448 mSDtfsCounter, 4502 mSDsluCounter, 5249 mSDsCounter, 0 mSdLazyCounter, 65 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4502 SdHoareTripleChecker+Valid, 12697 SdHoareTripleChecker+Invalid, 70 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 65 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-07-23 01:43:28,552 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4502 Valid, 12697 Invalid, 70 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 65 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-07-23 01:43:28,562 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6384 states. [2022-07-23 01:43:28,908 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6384 to 6380. [2022-07-23 01:43:28,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6380 states, 3452 states have (on average 1.2989571263035922) internal successors, (4484), 3569 states have internal predecessors, (4484), 2678 states have call successors, (2678), 248 states have call predecessors, (2678), 249 states have return successors, (2686), 2624 states have call predecessors, (2686), 2677 states have call successors, (2686) [2022-07-23 01:43:28,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6380 states to 6380 states and 9848 transitions. [2022-07-23 01:43:28,954 INFO L78 Accepts]: Start accepts. Automaton has 6380 states and 9848 transitions. Word has length 291 [2022-07-23 01:43:28,956 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 01:43:28,956 INFO L495 AbstractCegarLoop]: Abstraction has 6380 states and 9848 transitions. [2022-07-23 01:43:28,957 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2022-07-23 01:43:28,957 INFO L276 IsEmpty]: Start isEmpty. Operand 6380 states and 9848 transitions. [2022-07-23 01:43:28,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 341 [2022-07-23 01:43:28,964 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 01:43:28,965 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 6, 6, 6, 6, 6, 6, 6, 6, 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] [2022-07-23 01:43:29,097 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2022-07-23 01:43:29,191 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-23 01:43:29,192 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 01:43:29,192 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 01:43:29,192 INFO L85 PathProgramCache]: Analyzing trace with hash -893825162, now seen corresponding path program 1 times [2022-07-23 01:43:29,196 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 01:43:29,196 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1877414805] [2022-07-23 01:43:29,196 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 01:43:29,196 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 01:43:29,196 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 01:43:29,198 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) [2022-07-23 01:43:29,199 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-07-23 01:43:43,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:43:43,832 INFO L263 TraceCheckSpWp]: Trace formula consists of 4846 conjuncts, 7 conjunts are in the unsatisfiable core [2022-07-23 01:43:43,838 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 01:43:44,381 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 85 proven. 3 refuted. 0 times theorem prover too weak. 1112 trivial. 0 not checked. [2022-07-23 01:43:44,381 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-23 01:43:46,684 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 1122 trivial. 0 not checked. [2022-07-23 01:43:46,685 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-23 01:43:46,685 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1877414805] [2022-07-23 01:43:46,685 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1877414805] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-23 01:43:46,685 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-07-23 01:43:46,685 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 13 [2022-07-23 01:43:46,686 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [429776735] [2022-07-23 01:43:46,686 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-07-23 01:43:46,687 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-07-23 01:43:46,687 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-23 01:43:46,687 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-07-23 01:43:46,688 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2022-07-23 01:43:46,688 INFO L87 Difference]: Start difference. First operand 6380 states and 9848 transitions. Second operand has 13 states, 11 states have (on average 10.818181818181818) internal successors, (119), 13 states have internal predecessors, (119), 4 states have call successors, (44), 2 states have call predecessors, (44), 5 states have return successors, (40), 4 states have call predecessors, (40), 4 states have call successors, (40) [2022-07-23 01:43:49,444 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 01:43:49,445 INFO L93 Difference]: Finished difference Result 12750 states and 19715 transitions. [2022-07-23 01:43:49,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-07-23 01:43:49,446 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 11 states have (on average 10.818181818181818) internal successors, (119), 13 states have internal predecessors, (119), 4 states have call successors, (44), 2 states have call predecessors, (44), 5 states have return successors, (40), 4 states have call predecessors, (40), 4 states have call successors, (40) Word has length 340 [2022-07-23 01:43:49,449 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 01:43:49,489 INFO L225 Difference]: With dead ends: 12750 [2022-07-23 01:43:49,490 INFO L226 Difference]: Without dead ends: 6393 [2022-07-23 01:43:49,515 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 683 GetRequests, 667 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=69, Invalid=237, Unknown=0, NotChecked=0, Total=306 [2022-07-23 01:43:49,516 INFO L413 NwaCegarLoop]: 5360 mSDtfsCounter, 23 mSDsluCounter, 26768 mSDsCounter, 0 mSdLazyCounter, 176 mSolverCounterSat, 49 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 32128 SdHoareTripleChecker+Invalid, 225 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 49 IncrementalHoareTripleChecker+Valid, 176 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2022-07-23 01:43:49,517 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [25 Valid, 32128 Invalid, 225 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [49 Valid, 176 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2022-07-23 01:43:49,522 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6393 states. [2022-07-23 01:43:49,847 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6393 to 6393. [2022-07-23 01:43:49,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6393 states, 3462 states have (on average 1.2986712882726748) internal successors, (4496), 3579 states have internal predecessors, (4496), 2679 states have call successors, (2679), 250 states have call predecessors, (2679), 251 states have return successors, (2687), 2625 states have call predecessors, (2687), 2678 states have call successors, (2687) [2022-07-23 01:43:49,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6393 states to 6393 states and 9862 transitions. [2022-07-23 01:43:49,884 INFO L78 Accepts]: Start accepts. Automaton has 6393 states and 9862 transitions. Word has length 340 [2022-07-23 01:43:49,884 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 01:43:49,885 INFO L495 AbstractCegarLoop]: Abstraction has 6393 states and 9862 transitions. [2022-07-23 01:43:49,885 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 11 states have (on average 10.818181818181818) internal successors, (119), 13 states have internal predecessors, (119), 4 states have call successors, (44), 2 states have call predecessors, (44), 5 states have return successors, (40), 4 states have call predecessors, (40), 4 states have call successors, (40) [2022-07-23 01:43:49,885 INFO L276 IsEmpty]: Start isEmpty. Operand 6393 states and 9862 transitions. [2022-07-23 01:43:49,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 348 [2022-07-23 01:43:49,892 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 01:43:49,892 INFO L195 NwaCegarLoop]: trace histogram [17, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 6, 6, 6, 6, 6, 6, 6, 6, 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] [2022-07-23 01:43:50,055 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2022-07-23 01:43:50,119 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-23 01:43:50,120 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 01:43:50,120 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 01:43:50,120 INFO L85 PathProgramCache]: Analyzing trace with hash -759897951, now seen corresponding path program 1 times [2022-07-23 01:43:50,124 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 01:43:50,124 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [797485687] [2022-07-23 01:43:50,124 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 01:43:50,124 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 01:43:50,124 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 01:43:50,136 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) [2022-07-23 01:43:50,138 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2022-07-23 01:44:04,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:44:05,029 INFO L263 TraceCheckSpWp]: Trace formula consists of 4905 conjuncts, 8 conjunts are in the unsatisfiable core [2022-07-23 01:44:05,036 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 01:44:05,765 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 116 proven. 6 refuted. 0 times theorem prover too weak. 1178 trivial. 0 not checked. [2022-07-23 01:44:05,766 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-23 01:44:08,523 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 1188 trivial. 0 not checked. [2022-07-23 01:44:08,524 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-23 01:44:08,524 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [797485687] [2022-07-23 01:44:08,524 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [797485687] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-23 01:44:08,524 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-07-23 01:44:08,524 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 15 [2022-07-23 01:44:08,525 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1114801174] [2022-07-23 01:44:08,525 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-07-23 01:44:08,525 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-07-23 01:44:08,525 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-23 01:44:08,526 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-07-23 01:44:08,526 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=165, Unknown=0, NotChecked=0, Total=210 [2022-07-23 01:44:08,526 INFO L87 Difference]: Start difference. First operand 6393 states and 9862 transitions. Second operand has 15 states, 13 states have (on average 9.461538461538462) internal successors, (123), 15 states have internal predecessors, (123), 4 states have call successors, (44), 2 states have call predecessors, (44), 5 states have return successors, (40), 4 states have call predecessors, (40), 4 states have call successors, (40) [2022-07-23 01:44:12,197 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 01:44:12,198 INFO L93 Difference]: Finished difference Result 12770 states and 19732 transitions. [2022-07-23 01:44:12,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-07-23 01:44:12,200 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 13 states have (on average 9.461538461538462) internal successors, (123), 15 states have internal predecessors, (123), 4 states have call successors, (44), 2 states have call predecessors, (44), 5 states have return successors, (40), 4 states have call predecessors, (40), 4 states have call successors, (40) Word has length 347 [2022-07-23 01:44:12,201 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 01:44:12,237 INFO L225 Difference]: With dead ends: 12770 [2022-07-23 01:44:12,238 INFO L226 Difference]: Without dead ends: 6395 [2022-07-23 01:44:12,261 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 698 GetRequests, 679 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=89, Invalid=331, Unknown=0, NotChecked=0, Total=420 [2022-07-23 01:44:12,262 INFO L413 NwaCegarLoop]: 5361 mSDtfsCounter, 28 mSDsluCounter, 37462 mSDsCounter, 0 mSdLazyCounter, 261 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 42823 SdHoareTripleChecker+Invalid, 300 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 261 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2022-07-23 01:44:12,262 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 42823 Invalid, 300 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 261 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2022-07-23 01:44:12,268 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6395 states. [2022-07-23 01:44:12,518 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6395 to 6395. [2022-07-23 01:44:12,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6395 states, 3464 states have (on average 1.298498845265589) internal successors, (4498), 3581 states have internal predecessors, (4498), 2679 states have call successors, (2679), 250 states have call predecessors, (2679), 251 states have return successors, (2687), 2625 states have call predecessors, (2687), 2678 states have call successors, (2687) [2022-07-23 01:44:12,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6395 states to 6395 states and 9864 transitions. [2022-07-23 01:44:12,574 INFO L78 Accepts]: Start accepts. Automaton has 6395 states and 9864 transitions. Word has length 347 [2022-07-23 01:44:12,574 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 01:44:12,575 INFO L495 AbstractCegarLoop]: Abstraction has 6395 states and 9864 transitions. [2022-07-23 01:44:12,575 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 13 states have (on average 9.461538461538462) internal successors, (123), 15 states have internal predecessors, (123), 4 states have call successors, (44), 2 states have call predecessors, (44), 5 states have return successors, (40), 4 states have call predecessors, (40), 4 states have call successors, (40) [2022-07-23 01:44:12,576 INFO L276 IsEmpty]: Start isEmpty. Operand 6395 states and 9864 transitions. [2022-07-23 01:44:12,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 349 [2022-07-23 01:44:12,584 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 01:44:12,584 INFO L195 NwaCegarLoop]: trace histogram [22, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 6, 6, 6, 6, 6, 6, 6, 6, 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] [2022-07-23 01:44:12,753 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Ended with exit code 0 [2022-07-23 01:44:12,807 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-23 01:44:12,808 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 01:44:12,808 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 01:44:12,808 INFO L85 PathProgramCache]: Analyzing trace with hash 896705633, now seen corresponding path program 1 times [2022-07-23 01:44:12,812 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 01:44:12,812 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1380972535] [2022-07-23 01:44:12,812 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 01:44:12,812 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 01:44:12,813 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 01:44:12,814 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) [2022-07-23 01:44:12,815 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2022-07-23 01:44:35,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:44:35,526 INFO L263 TraceCheckSpWp]: Trace formula consists of 4964 conjuncts, 9 conjunts are in the unsatisfiable core [2022-07-23 01:44:35,531 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 01:44:36,430 INFO L134 CoverageAnalysis]: Checked inductivity of 1425 backedges. 269 proven. 10 refuted. 0 times theorem prover too weak. 1146 trivial. 0 not checked. [2022-07-23 01:44:36,430 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-23 01:44:39,603 INFO L134 CoverageAnalysis]: Checked inductivity of 1425 backedges. 114 proven. 41 refuted. 0 times theorem prover too weak. 1270 trivial. 0 not checked. [2022-07-23 01:44:39,603 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-23 01:44:39,604 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1380972535] [2022-07-23 01:44:39,604 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1380972535] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-23 01:44:39,604 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-07-23 01:44:39,604 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 17 [2022-07-23 01:44:39,604 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [553238784] [2022-07-23 01:44:39,604 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-07-23 01:44:39,605 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-07-23 01:44:39,605 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-23 01:44:39,605 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-07-23 01:44:39,605 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=217, Unknown=0, NotChecked=0, Total=272 [2022-07-23 01:44:39,606 INFO L87 Difference]: Start difference. First operand 6395 states and 9864 transitions. Second operand has 17 states, 15 states have (on average 8.066666666666666) internal successors, (121), 17 states have internal predecessors, (121), 4 states have call successors, (40), 2 states have call predecessors, (40), 5 states have return successors, (36), 4 states have call predecessors, (36), 4 states have call successors, (36) [2022-07-23 01:44:43,434 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 01:44:43,434 INFO L93 Difference]: Finished difference Result 12777 states and 19743 transitions. [2022-07-23 01:44:43,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-07-23 01:44:43,435 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 15 states have (on average 8.066666666666666) internal successors, (121), 17 states have internal predecessors, (121), 4 states have call successors, (40), 2 states have call predecessors, (40), 5 states have return successors, (36), 4 states have call predecessors, (36), 4 states have call successors, (36) Word has length 348 [2022-07-23 01:44:43,436 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 01:44:43,471 INFO L225 Difference]: With dead ends: 12777 [2022-07-23 01:44:43,471 INFO L226 Difference]: Without dead ends: 6405 [2022-07-23 01:44:43,503 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 700 GetRequests, 679 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 3.4s TimeCoverageRelationStatistics Valid=106, Invalid=400, Unknown=0, NotChecked=0, Total=506 [2022-07-23 01:44:43,504 INFO L413 NwaCegarLoop]: 5359 mSDtfsCounter, 40 mSDsluCounter, 53522 mSDsCounter, 0 mSdLazyCounter, 295 mSolverCounterSat, 44 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 58881 SdHoareTripleChecker+Invalid, 339 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 295 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2022-07-23 01:44:43,504 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [41 Valid, 58881 Invalid, 339 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [44 Valid, 295 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2022-07-23 01:44:43,513 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6405 states. [2022-07-23 01:44:43,819 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6405 to 6405. [2022-07-23 01:44:43,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6405 states, 3473 states have (on average 1.2985891160380074) internal successors, (4510), 3590 states have internal predecessors, (4510), 2679 states have call successors, (2679), 251 states have call predecessors, (2679), 252 states have return successors, (2687), 2625 states have call predecessors, (2687), 2678 states have call successors, (2687) [2022-07-23 01:44:43,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6405 states to 6405 states and 9876 transitions. [2022-07-23 01:44:43,859 INFO L78 Accepts]: Start accepts. Automaton has 6405 states and 9876 transitions. Word has length 348 [2022-07-23 01:44:43,859 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 01:44:43,859 INFO L495 AbstractCegarLoop]: Abstraction has 6405 states and 9876 transitions. [2022-07-23 01:44:43,859 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 15 states have (on average 8.066666666666666) internal successors, (121), 17 states have internal predecessors, (121), 4 states have call successors, (40), 2 states have call predecessors, (40), 5 states have return successors, (36), 4 states have call predecessors, (36), 4 states have call successors, (36) [2022-07-23 01:44:43,860 INFO L276 IsEmpty]: Start isEmpty. Operand 6405 states and 9876 transitions. [2022-07-23 01:44:43,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 351 [2022-07-23 01:44:43,864 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 01:44:43,864 INFO L195 NwaCegarLoop]: trace histogram [23, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 6, 6, 6, 6, 6, 6, 6, 6, 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] [2022-07-23 01:44:44,032 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2022-07-23 01:44:44,087 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-23 01:44:44,088 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 01:44:44,088 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 01:44:44,088 INFO L85 PathProgramCache]: Analyzing trace with hash -561425126, now seen corresponding path program 1 times [2022-07-23 01:44:44,092 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 01:44:44,092 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [579935679] [2022-07-23 01:44:44,093 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 01:44:44,093 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 01:44:44,093 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 01:44:44,101 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) [2022-07-23 01:44:44,103 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2022-07-23 01:45:04,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:45:04,649 INFO L263 TraceCheckSpWp]: Trace formula consists of 4977 conjuncts, 10 conjunts are in the unsatisfiable core [2022-07-23 01:45:04,661 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 01:45:05,653 INFO L134 CoverageAnalysis]: Checked inductivity of 1453 backedges. 292 proven. 15 refuted. 0 times theorem prover too weak. 1146 trivial. 0 not checked. [2022-07-23 01:45:05,654 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-23 01:45:10,041 INFO L134 CoverageAnalysis]: Checked inductivity of 1453 backedges. 132 proven. 51 refuted. 0 times theorem prover too weak. 1270 trivial. 0 not checked. [2022-07-23 01:45:10,042 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-23 01:45:10,042 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [579935679] [2022-07-23 01:45:10,042 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [579935679] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-23 01:45:10,042 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-07-23 01:45:10,042 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 19 [2022-07-23 01:45:10,043 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1489947655] [2022-07-23 01:45:10,043 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-07-23 01:45:10,045 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-07-23 01:45:10,045 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-23 01:45:10,046 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-07-23 01:45:10,046 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=276, Unknown=0, NotChecked=0, Total=342 [2022-07-23 01:45:10,047 INFO L87 Difference]: Start difference. First operand 6405 states and 9876 transitions. Second operand has 19 states, 17 states have (on average 7.294117647058823) internal successors, (124), 19 states have internal predecessors, (124), 4 states have call successors, (40), 2 states have call predecessors, (40), 5 states have return successors, (36), 4 states have call predecessors, (36), 4 states have call successors, (36) [2022-07-23 01:45:14,749 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 01:45:14,750 INFO L93 Difference]: Finished difference Result 12769 states and 19726 transitions. [2022-07-23 01:45:14,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-07-23 01:45:14,752 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 17 states have (on average 7.294117647058823) internal successors, (124), 19 states have internal predecessors, (124), 4 states have call successors, (40), 2 states have call predecessors, (40), 5 states have return successors, (36), 4 states have call predecessors, (36), 4 states have call successors, (36) Word has length 350 [2022-07-23 01:45:14,752 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 01:45:14,801 INFO L225 Difference]: With dead ends: 12769 [2022-07-23 01:45:14,801 INFO L226 Difference]: Without dead ends: 6407 [2022-07-23 01:45:14,831 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 705 GetRequests, 681 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 4.7s TimeCoverageRelationStatistics Valid=132, Invalid=518, Unknown=0, NotChecked=0, Total=650 [2022-07-23 01:45:14,833 INFO L413 NwaCegarLoop]: 5359 mSDtfsCounter, 63 mSDsluCounter, 53535 mSDsCounter, 0 mSdLazyCounter, 318 mSolverCounterSat, 57 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 65 SdHoareTripleChecker+Valid, 58894 SdHoareTripleChecker+Invalid, 375 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 57 IncrementalHoareTripleChecker+Valid, 318 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2022-07-23 01:45:14,833 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [65 Valid, 58894 Invalid, 375 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [57 Valid, 318 Invalid, 0 Unknown, 0 Unchecked, 3.4s Time] [2022-07-23 01:45:14,844 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6407 states. [2022-07-23 01:45:15,101 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6407 to 6407. [2022-07-23 01:45:15,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6407 states, 3475 states have (on average 1.2984172661870503) internal successors, (4512), 3592 states have internal predecessors, (4512), 2679 states have call successors, (2679), 251 states have call predecessors, (2679), 252 states have return successors, (2687), 2625 states have call predecessors, (2687), 2678 states have call successors, (2687) [2022-07-23 01:45:15,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6407 states to 6407 states and 9878 transitions. [2022-07-23 01:45:15,156 INFO L78 Accepts]: Start accepts. Automaton has 6407 states and 9878 transitions. Word has length 350 [2022-07-23 01:45:15,158 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 01:45:15,158 INFO L495 AbstractCegarLoop]: Abstraction has 6407 states and 9878 transitions. [2022-07-23 01:45:15,159 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 17 states have (on average 7.294117647058823) internal successors, (124), 19 states have internal predecessors, (124), 4 states have call successors, (40), 2 states have call predecessors, (40), 5 states have return successors, (36), 4 states have call predecessors, (36), 4 states have call successors, (36) [2022-07-23 01:45:15,159 INFO L276 IsEmpty]: Start isEmpty. Operand 6407 states and 9878 transitions. [2022-07-23 01:45:15,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 353 [2022-07-23 01:45:15,165 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 01:45:15,166 INFO L195 NwaCegarLoop]: trace histogram [24, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 6, 6, 6, 6, 6, 6, 6, 6, 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] [2022-07-23 01:45:15,380 WARN L435 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Forcibly destroying the process [2022-07-23 01:45:15,422 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2022-07-23 01:45:15,422 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-23 01:45:15,423 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 01:45:15,423 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 01:45:15,423 INFO L85 PathProgramCache]: Analyzing trace with hash -1403453194, now seen corresponding path program 2 times [2022-07-23 01:45:15,427 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 01:45:15,427 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1300398802] [2022-07-23 01:45:15,427 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-07-23 01:45:15,428 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 01:45:15,428 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 01:45:15,436 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) [2022-07-23 01:45:15,437 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2022-07-23 01:45:26,785 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-07-23 01:45:26,786 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-23 01:45:27,180 INFO L263 TraceCheckSpWp]: Trace formula consists of 3922 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-23 01:45:27,187 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 01:45:31,952 INFO L134 CoverageAnalysis]: Checked inductivity of 1482 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1482 trivial. 0 not checked. [2022-07-23 01:45:31,953 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-23 01:45:31,953 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-23 01:45:31,953 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1300398802] [2022-07-23 01:45:31,953 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1300398802] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 01:45:31,953 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 01:45:31,953 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-23 01:45:31,954 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1560456740] [2022-07-23 01:45:31,954 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 01:45:31,955 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-23 01:45:31,955 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-23 01:45:31,955 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-23 01:45:31,955 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-23 01:45:31,956 INFO L87 Difference]: Start difference. First operand 6407 states and 9878 transitions. Second operand has 5 states, 5 states have (on average 17.4) internal successors, (87), 3 states have internal predecessors, (87), 2 states have call successors, (31), 3 states have call predecessors, (31), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2022-07-23 01:45:32,743 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 01:45:32,744 INFO L93 Difference]: Finished difference Result 19113 states and 29496 transitions. [2022-07-23 01:45:32,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-23 01:45:32,745 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 17.4) internal successors, (87), 3 states have internal predecessors, (87), 2 states have call successors, (31), 3 states have call predecessors, (31), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 352 [2022-07-23 01:45:32,747 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 01:45:32,811 INFO L225 Difference]: With dead ends: 19113 [2022-07-23 01:45:32,812 INFO L226 Difference]: Without dead ends: 12767 [2022-07-23 01:45:32,848 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 354 GetRequests, 348 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-07-23 01:45:32,850 INFO L413 NwaCegarLoop]: 7169 mSDtfsCounter, 5293 mSDsluCounter, 19640 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5297 SdHoareTripleChecker+Valid, 26809 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-07-23 01:45:32,850 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5297 Valid, 26809 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-07-23 01:45:32,863 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12767 states. [2022-07-23 01:45:33,521 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12767 to 12744. [2022-07-23 01:45:33,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12744 states, 6906 states have (on average 1.2995945554590211) internal successors, (8975), 7148 states have internal predecessors, (8975), 5336 states have call successors, (5336), 498 states have call predecessors, (5336), 501 states have return successors, (5353), 5221 states have call predecessors, (5353), 5335 states have call successors, (5353) [2022-07-23 01:45:33,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12744 states to 12744 states and 19664 transitions. [2022-07-23 01:45:33,598 INFO L78 Accepts]: Start accepts. Automaton has 12744 states and 19664 transitions. Word has length 352 [2022-07-23 01:45:33,598 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 01:45:33,598 INFO L495 AbstractCegarLoop]: Abstraction has 12744 states and 19664 transitions. [2022-07-23 01:45:33,599 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 17.4) internal successors, (87), 3 states have internal predecessors, (87), 2 states have call successors, (31), 3 states have call predecessors, (31), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2022-07-23 01:45:33,599 INFO L276 IsEmpty]: Start isEmpty. Operand 12744 states and 19664 transitions. [2022-07-23 01:45:33,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 352 [2022-07-23 01:45:33,605 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 01:45:33,605 INFO L195 NwaCegarLoop]: trace histogram [24, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 6, 6, 6, 6, 6, 6, 6, 6, 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] [2022-07-23 01:45:33,736 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2022-07-23 01:45:33,831 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-23 01:45:33,831 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 01:45:33,832 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 01:45:33,832 INFO L85 PathProgramCache]: Analyzing trace with hash 174648632, now seen corresponding path program 2 times [2022-07-23 01:45:33,836 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 01:45:33,836 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [510012144] [2022-07-23 01:45:33,836 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-07-23 01:45:33,836 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 01:45:33,836 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 01:45:33,852 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) [2022-07-23 01:45:33,854 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (11)] Waiting until timeout for monitored process