./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ethernet--oki-semi--pch_gbe--pch_gbe.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f4b24e32 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ethernet--oki-semi--pch_gbe--pch_gbe.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 7d0df1181ffc4c53f45cd03069b14e0b0a1098ff4e46600d385a44951d78aaf4 --- Real Ultimate output --- This is Ultimate 0.2.2-?-f4b24e3 [2022-07-14 00:14:21,657 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-14 00:14:21,659 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-14 00:14:21,685 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-14 00:14:21,685 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-14 00:14:21,686 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-14 00:14:21,691 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-14 00:14:21,696 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-14 00:14:21,697 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-14 00:14:21,702 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-14 00:14:21,703 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-14 00:14:21,704 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-14 00:14:21,705 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-14 00:14:21,706 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-14 00:14:21,708 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-14 00:14:21,709 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-14 00:14:21,709 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-14 00:14:21,710 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-14 00:14:21,711 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-14 00:14:21,712 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-14 00:14:21,713 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-14 00:14:21,715 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-14 00:14:21,716 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-14 00:14:21,716 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-14 00:14:21,718 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-14 00:14:21,719 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-14 00:14:21,722 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-14 00:14:21,722 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-14 00:14:21,723 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-14 00:14:21,724 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-14 00:14:21,724 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-14 00:14:21,725 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-14 00:14:21,726 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-14 00:14:21,726 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-14 00:14:21,727 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-14 00:14:21,727 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-14 00:14:21,727 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-14 00:14:21,728 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-14 00:14:21,728 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-14 00:14:21,728 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-14 00:14:21,729 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-14 00:14:21,730 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-14 00:14:21,731 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-14 00:14:21,756 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-14 00:14:21,757 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-14 00:14:21,757 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-14 00:14:21,758 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-14 00:14:21,759 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-14 00:14:21,759 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-14 00:14:21,759 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-14 00:14:21,760 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-14 00:14:21,760 INFO L138 SettingsManager]: * Use SBE=true [2022-07-14 00:14:21,761 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-14 00:14:21,761 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-14 00:14:21,761 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-14 00:14:21,761 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-14 00:14:21,761 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-14 00:14:21,761 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-14 00:14:21,762 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-14 00:14:21,762 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-14 00:14:21,762 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-14 00:14:21,763 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-14 00:14:21,763 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-14 00:14:21,763 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-14 00:14:21,764 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-14 00:14:21,764 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-14 00:14:21,764 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-14 00:14:21,764 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-14 00:14:21,764 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-14 00:14:21,764 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-14 00:14:21,764 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-14 00:14:21,765 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-14 00:14:21,765 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-14 00:14:21,765 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7d0df1181ffc4c53f45cd03069b14e0b0a1098ff4e46600d385a44951d78aaf4 [2022-07-14 00:14:21,993 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-14 00:14:22,017 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-14 00:14:22,019 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-14 00:14:22,019 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-14 00:14:22,020 INFO L275 PluginConnector]: CDTParser initialized [2022-07-14 00:14:22,021 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ethernet--oki-semi--pch_gbe--pch_gbe.ko-entry_point.cil.out.i [2022-07-14 00:14:22,122 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b8fb77c18/0baffad71728472ebb76cf1920c26240/FLAGb61871b77 [2022-07-14 00:14:23,224 INFO L306 CDTParser]: Found 1 translation units. [2022-07-14 00:14:23,239 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ethernet--oki-semi--pch_gbe--pch_gbe.ko-entry_point.cil.out.i [2022-07-14 00:14:23,313 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b8fb77c18/0baffad71728472ebb76cf1920c26240/FLAGb61871b77 [2022-07-14 00:14:23,339 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b8fb77c18/0baffad71728472ebb76cf1920c26240 [2022-07-14 00:14:23,341 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-14 00:14:23,343 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-14 00:14:23,344 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-14 00:14:23,344 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-14 00:14:23,346 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-14 00:14:23,352 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 12:14:23" (1/1) ... [2022-07-14 00:14:23,353 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ffa29ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:14:23, skipping insertion in model container [2022-07-14 00:14:23,353 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 12:14:23" (1/1) ... [2022-07-14 00:14:23,363 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-14 00:14:23,551 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-14 00:14:24,589 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ethernet--oki-semi--pch_gbe--pch_gbe.ko-entry_point.cil.out.i[183405,183418] [2022-07-14 00:14:28,370 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-14 00:14:28,429 INFO L203 MainTranslator]: Completed pre-run [2022-07-14 00:14:28,525 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ethernet--oki-semi--pch_gbe--pch_gbe.ko-entry_point.cil.out.i[183405,183418] [2022-07-14 00:14:28,532 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: mii_reg = (unsigned int )mii_reg & 63487U [6591] 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) [2022-07-14 00:14:28,537 INFO L158 Benchmark]: Toolchain (without parser) took 5193.49ms. Allocated memory was 113.2MB in the beginning and 167.8MB in the end (delta: 54.5MB). Free memory was 66.0MB in the beginning and 85.9MB in the end (delta: -19.9MB). Peak memory consumption was 74.3MB. Max. memory is 16.1GB. [2022-07-14 00:14:28,538 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 113.2MB. Free memory is still 68.2MB. There was no memory consumed. Max. memory is 16.1GB. [2022-07-14 00:14:28,539 INFO L158 Benchmark]: CACSL2BoogieTranslator took 5191.73ms. Allocated memory was 113.2MB in the beginning and 167.8MB in the end (delta: 54.5MB). Free memory was 65.8MB in the beginning and 85.9MB in the end (delta: -20.2MB). Peak memory consumption was 74.3MB. Max. memory is 16.1GB. [2022-07-14 00:14:28,540 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 113.2MB. Free memory is still 68.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 5191.73ms. Allocated memory was 113.2MB in the beginning and 167.8MB in the end (delta: 54.5MB). Free memory was 65.8MB in the beginning and 85.9MB in the end (delta: -20.2MB). Peak memory consumption was 74.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: TypeCheckException: Type check failed for C: mii_reg = (unsigned int )mii_reg & 63487U [6591] de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: TypeCheckException: Type check failed for C: mii_reg = (unsigned int )mii_reg & 63487U [6591]: de.uni_freiburg.informatik.ultimate.boogie.TypeErrorReporter.report(TypeErrorReporter.java:52) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ethernet--oki-semi--pch_gbe--pch_gbe.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 7d0df1181ffc4c53f45cd03069b14e0b0a1098ff4e46600d385a44951d78aaf4 --- Real Ultimate output --- This is Ultimate 0.2.2-?-f4b24e3 [2022-07-14 00:14:30,872 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-14 00:14:30,874 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-14 00:14:30,906 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-14 00:14:30,908 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-14 00:14:30,909 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-14 00:14:30,912 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-14 00:14:30,913 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-14 00:14:30,915 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-14 00:14:30,921 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-14 00:14:30,922 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-14 00:14:30,925 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-14 00:14:30,927 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-14 00:14:30,929 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-14 00:14:30,930 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-14 00:14:30,932 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-14 00:14:30,933 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-14 00:14:30,934 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-14 00:14:30,935 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-14 00:14:30,937 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-14 00:14:30,956 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-14 00:14:30,957 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-14 00:14:30,958 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-14 00:14:30,959 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-14 00:14:30,960 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-14 00:14:30,962 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-14 00:14:30,965 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-14 00:14:30,965 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-14 00:14:30,966 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-14 00:14:30,966 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-14 00:14:30,967 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-14 00:14:30,967 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-14 00:14:30,968 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-14 00:14:30,969 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-14 00:14:30,970 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-14 00:14:30,971 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-14 00:14:30,971 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-14 00:14:30,972 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-14 00:14:30,972 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-14 00:14:30,972 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-14 00:14:30,973 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-14 00:14:30,974 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-14 00:14:30,977 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-07-14 00:14:30,995 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-14 00:14:30,996 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-14 00:14:30,996 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-14 00:14:30,996 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-14 00:14:30,997 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-14 00:14:30,997 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-14 00:14:30,997 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-14 00:14:30,998 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-14 00:14:30,998 INFO L138 SettingsManager]: * Use SBE=true [2022-07-14 00:14:30,999 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-14 00:14:30,999 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-14 00:14:31,008 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-14 00:14:31,009 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-14 00:14:31,009 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-14 00:14:31,009 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-07-14 00:14:31,009 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-07-14 00:14:31,009 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-07-14 00:14:31,009 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-14 00:14:31,009 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-14 00:14:31,010 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-14 00:14:31,010 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-14 00:14:31,010 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-14 00:14:31,010 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-14 00:14:31,010 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-14 00:14:31,010 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-14 00:14:31,011 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-14 00:14:31,011 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-14 00:14:31,011 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-07-14 00:14:31,011 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-07-14 00:14:31,011 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-14 00:14:31,012 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-14 00:14:31,012 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-14 00:14:31,012 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-07-14 00:14:31,012 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7d0df1181ffc4c53f45cd03069b14e0b0a1098ff4e46600d385a44951d78aaf4 [2022-07-14 00:14:31,464 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-14 00:14:31,509 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-14 00:14:31,513 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-14 00:14:31,521 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-14 00:14:31,521 INFO L275 PluginConnector]: CDTParser initialized [2022-07-14 00:14:31,522 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ethernet--oki-semi--pch_gbe--pch_gbe.ko-entry_point.cil.out.i [2022-07-14 00:14:31,599 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9be3e5814/af20f67f203740ad925f6ba3ceb7a9c1/FLAG10ff34c68 [2022-07-14 00:14:32,730 INFO L306 CDTParser]: Found 1 translation units. [2022-07-14 00:14:32,731 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ethernet--oki-semi--pch_gbe--pch_gbe.ko-entry_point.cil.out.i [2022-07-14 00:14:32,785 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9be3e5814/af20f67f203740ad925f6ba3ceb7a9c1/FLAG10ff34c68 [2022-07-14 00:14:32,800 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9be3e5814/af20f67f203740ad925f6ba3ceb7a9c1 [2022-07-14 00:14:32,802 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-14 00:14:32,803 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-14 00:14:32,805 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-14 00:14:32,806 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-14 00:14:32,808 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-14 00:14:32,809 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 12:14:32" (1/1) ... [2022-07-14 00:14:32,810 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@17bbfda0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:14:32, skipping insertion in model container [2022-07-14 00:14:32,810 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 12:14:32" (1/1) ... [2022-07-14 00:14:32,815 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-14 00:14:32,977 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-14 00:14:33,610 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ethernet--oki-semi--pch_gbe--pch_gbe.ko-entry_point.cil.out.i[183405,183418] [2022-07-14 00:14:36,017 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-14 00:14:36,102 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-07-14 00:14:36,159 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-14 00:14:36,248 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ethernet--oki-semi--pch_gbe--pch_gbe.ko-entry_point.cil.out.i[183405,183418] [2022-07-14 00:14:36,548 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-14 00:14:36,576 INFO L203 MainTranslator]: Completed pre-run [2022-07-14 00:14:36,653 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ethernet--oki-semi--pch_gbe--pch_gbe.ko-entry_point.cil.out.i[183405,183418] [2022-07-14 00:14:36,832 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-14 00:14:36,987 INFO L208 MainTranslator]: Completed translation [2022-07-14 00:14:36,987 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:14:36 WrapperNode [2022-07-14 00:14:36,988 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-14 00:14:36,988 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-14 00:14:36,989 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-14 00:14:36,989 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-14 00:14:36,993 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:14:36" (1/1) ... [2022-07-14 00:14:37,068 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:14:36" (1/1) ... [2022-07-14 00:14:37,286 INFO L137 Inliner]: procedures = 495, calls = 5164, calls flagged for inlining = 241, calls inlined = 216, statements flattened = 8860 [2022-07-14 00:14:37,287 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-14 00:14:37,288 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-14 00:14:37,288 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-14 00:14:37,288 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-14 00:14:37,295 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:14:36" (1/1) ... [2022-07-14 00:14:37,295 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:14:36" (1/1) ... [2022-07-14 00:14:37,352 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:14:36" (1/1) ... [2022-07-14 00:14:37,353 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:14:36" (1/1) ... [2022-07-14 00:14:37,557 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:14:36" (1/1) ... [2022-07-14 00:14:37,576 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:14:36" (1/1) ... [2022-07-14 00:14:37,606 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:14:36" (1/1) ... [2022-07-14 00:14:37,645 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-14 00:14:37,646 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-14 00:14:37,647 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-14 00:14:37,647 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-14 00:14:37,647 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:14:36" (1/1) ... [2022-07-14 00:14:37,652 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-14 00:14:37,660 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 00:14:37,670 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) [2022-07-14 00:14:37,691 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 [2022-07-14 00:14:37,700 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2022-07-14 00:14:37,701 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2022-07-14 00:14:37,701 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_irq_disable [2022-07-14 00:14:37,701 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_irq_disable [2022-07-14 00:14:37,701 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_intr [2022-07-14 00:14:37,701 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_intr [2022-07-14 00:14:37,701 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-07-14 00:14:37,701 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-07-14 00:14:37,701 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-14 00:14:37,701 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-14 00:14:37,701 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_minnow_platform_init [2022-07-14 00:14:37,702 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_minnow_platform_init [2022-07-14 00:14:37,702 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_open [2022-07-14 00:14:37,702 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_open [2022-07-14 00:14:37,702 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_alloc [2022-07-14 00:14:37,702 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_alloc [2022-07-14 00:14:37,702 INFO L130 BoogieDeclarations]: Found specification of procedure usleep_range [2022-07-14 00:14:37,702 INFO L138 BoogieDeclarations]: Found implementation of procedure usleep_range [2022-07-14 00:14:37,702 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_restore [2022-07-14 00:14:37,703 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_restore [2022-07-14 00:14:37,703 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_reinit_locked [2022-07-14 00:14:37,703 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_reinit_locked [2022-07-14 00:14:37,703 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_hal_power_up_phy [2022-07-14 00:14:37,703 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_hal_power_up_phy [2022-07-14 00:14:37,703 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_setup_tx_resources [2022-07-14 00:14:37,703 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_setup_tx_resources [2022-07-14 00:14:37,703 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2022-07-14 00:14:37,704 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2022-07-14 00:14:37,704 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-07-14 00:14:37,704 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-07-14 00:14:37,704 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-07-14 00:14:37,705 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-07-14 00:14:37,705 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_netpoll [2022-07-14 00:14:37,705 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_netpoll [2022-07-14 00:14:37,705 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_plat_init_hw [2022-07-14 00:14:37,705 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_plat_init_hw [2022-07-14 00:14:37,705 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_free_rx_resources [2022-07-14 00:14:37,706 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_free_rx_resources [2022-07-14 00:14:37,706 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_free_tx_resources [2022-07-14 00:14:37,706 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_free_tx_resources [2022-07-14 00:14:37,706 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2022-07-14 00:14:37,706 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2022-07-14 00:14:37,706 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2022-07-14 00:14:37,707 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2022-07-14 00:14:37,707 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_io_error_detected [2022-07-14 00:14:37,707 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_io_error_detected [2022-07-14 00:14:37,707 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-07-14 00:14:37,707 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-07-14 00:14:37,708 INFO L130 BoogieDeclarations]: Found specification of procedure dma_zalloc_coherent [2022-07-14 00:14:37,708 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_zalloc_coherent [2022-07-14 00:14:37,708 INFO L130 BoogieDeclarations]: Found specification of procedure pch_set_station_address [2022-07-14 00:14:37,708 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_set_station_address [2022-07-14 00:14:37,709 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-07-14 00:14:37,709 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-07-14 00:14:37,709 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_mdio_write [2022-07-14 00:14:37,709 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_mdio_write [2022-07-14 00:14:37,709 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-07-14 00:14:37,709 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-07-14 00:14:37,709 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2022-07-14 00:14:37,709 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2022-07-14 00:14:37,710 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2022-07-14 00:14:37,710 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2022-07-14 00:14:37,710 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u32 [2022-07-14 00:14:37,710 INFO L130 BoogieDeclarations]: Found specification of procedure arch_irqs_disabled_flags [2022-07-14 00:14:37,710 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_irqs_disabled_flags [2022-07-14 00:14:37,710 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-07-14 00:14:37,711 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-07-14 00:14:37,711 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_attach [2022-07-14 00:14:37,711 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_attach [2022-07-14 00:14:37,711 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-14 00:14:37,712 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_phy_power_up [2022-07-14 00:14:37,712 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_phy_power_up [2022-07-14 00:14:37,712 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-07-14 00:14:37,712 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-07-14 00:14:37,712 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2022-07-14 00:14:37,712 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2022-07-14 00:14:37,712 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2022-07-14 00:14:37,712 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-07-14 00:14:37,712 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-07-14 00:14:37,713 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_resume [2022-07-14 00:14:37,713 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_resume [2022-07-14 00:14:37,713 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-07-14 00:14:37,713 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-07-14 00:14:37,713 INFO L130 BoogieDeclarations]: Found specification of procedure pch_ch_event_write [2022-07-14 00:14:37,714 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_ch_event_write [2022-07-14 00:14:37,714 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_consistent_dma_mask [2022-07-14 00:14:37,714 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_consistent_dma_mask [2022-07-14 00:14:37,714 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2022-07-14 00:14:37,715 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2022-07-14 00:14:37,715 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-07-14 00:14:37,715 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-07-14 00:14:37,715 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-07-14 00:14:37,715 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-07-14 00:14:37,716 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_enable_dma_rx [2022-07-14 00:14:37,716 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_enable_dma_rx [2022-07-14 00:14:37,716 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_configure_rx [2022-07-14 00:14:37,716 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_configure_rx [2022-07-14 00:14:37,716 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_wait_clr_bit [2022-07-14 00:14:37,716 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_wait_clr_bit [2022-07-14 00:14:37,717 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_2 [2022-07-14 00:14:37,717 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_2 [2022-07-14 00:14:37,717 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-07-14 00:14:37,717 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-07-14 00:14:37,717 INFO L130 BoogieDeclarations]: Found specification of procedure vzalloc [2022-07-14 00:14:37,717 INFO L138 BoogieDeclarations]: Found implementation of procedure vzalloc [2022-07-14 00:14:37,717 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-14 00:14:37,718 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-14 00:14:37,718 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_remove [2022-07-14 00:14:37,718 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_remove [2022-07-14 00:14:37,718 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_header [2022-07-14 00:14:37,718 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_header [2022-07-14 00:14:37,719 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_dma_mask [2022-07-14 00:14:37,721 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_dma_mask [2022-07-14 00:14:37,721 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_mac_force_mac_fc [2022-07-14 00:14:37,721 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_mac_force_mac_fc [2022-07-14 00:14:37,721 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_suspend [2022-07-14 00:14:37,722 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_suspend [2022-07-14 00:14:37,722 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2022-07-14 00:14:37,723 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2022-07-14 00:14:37,723 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2022-07-14 00:14:37,723 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2022-07-14 00:14:37,725 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-07-14 00:14:37,725 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-07-14 00:14:37,725 INFO L130 BoogieDeclarations]: Found specification of procedure gpio_set_value [2022-07-14 00:14:37,725 INFO L138 BoogieDeclarations]: Found implementation of procedure gpio_set_value [2022-07-14 00:14:37,726 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u16 [2022-07-14 00:14:37,726 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-14 00:14:37,726 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2022-07-14 00:14:37,726 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2022-07-14 00:14:37,726 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-14 00:14:37,726 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2022-07-14 00:14:37,726 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2022-07-14 00:14:37,726 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-07-14 00:14:37,726 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-07-14 00:14:37,726 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-14 00:14:37,726 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2022-07-14 00:14:37,726 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2022-07-14 00:14:37,726 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-07-14 00:14:37,726 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-07-14 00:14:37,726 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2022-07-14 00:14:37,726 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2022-07-14 00:14:37,726 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2022-07-14 00:14:37,727 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2022-07-14 00:14:37,727 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2022-07-14 00:14:37,727 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_change_mtu [2022-07-14 00:14:37,727 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_change_mtu [2022-07-14 00:14:37,727 INFO L130 BoogieDeclarations]: Found specification of procedure devm_kzalloc [2022-07-14 00:14:37,727 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_kzalloc [2022-07-14 00:14:37,727 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_set_mac [2022-07-14 00:14:37,727 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_set_mac [2022-07-14 00:14:37,727 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_mac_set_wol_event [2022-07-14 00:14:37,727 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_mac_set_wol_event [2022-07-14 00:14:37,727 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-07-14 00:14:37,727 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-07-14 00:14:37,727 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_mac_ctrl_miim [2022-07-14 00:14:37,727 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_mac_ctrl_miim [2022-07-14 00:14:37,727 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_get_regs_len [2022-07-14 00:14:37,727 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_get_regs_len [2022-07-14 00:14:37,727 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-07-14 00:14:37,727 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-07-14 00:14:37,728 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2022-07-14 00:14:37,728 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_save_flags [2022-07-14 00:14:37,728 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_save_flags [2022-07-14 00:14:37,728 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_set_features [2022-07-14 00:14:37,728 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_set_features [2022-07-14 00:14:37,728 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-14 00:14:37,728 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-14 00:14:37,728 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_alloc_rx_buffers [2022-07-14 00:14:37,728 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_alloc_rx_buffers [2022-07-14 00:14:37,728 INFO L130 BoogieDeclarations]: Found specification of procedure __pch_gbe_suspend [2022-07-14 00:14:37,728 INFO L138 BoogieDeclarations]: Found implementation of procedure __pch_gbe_suspend [2022-07-14 00:14:37,728 INFO L130 BoogieDeclarations]: Found specification of procedure tcp_hdr [2022-07-14 00:14:37,728 INFO L138 BoogieDeclarations]: Found implementation of procedure tcp_hdr [2022-07-14 00:14:37,728 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-07-14 00:14:37,728 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_plat_get_bus_info [2022-07-14 00:14:37,728 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_plat_get_bus_info [2022-07-14 00:14:37,729 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2022-07-14 00:14:37,729 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2022-07-14 00:14:37,729 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-07-14 00:14:37,729 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_phy_power_down [2022-07-14 00:14:37,729 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_phy_power_down [2022-07-14 00:14:37,729 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-07-14 00:14:37,729 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-14 00:14:37,729 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-07-14 00:14:37,729 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-14 00:14:37,729 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-14 00:14:37,729 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-14 00:14:37,729 INFO L130 BoogieDeclarations]: Found specification of procedure csum_tcpudp_magic [2022-07-14 00:14:37,729 INFO L138 BoogieDeclarations]: Found implementation of procedure csum_tcpudp_magic [2022-07-14 00:14:37,729 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_update_stats [2022-07-14 00:14:37,729 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_update_stats [2022-07-14 00:14:37,729 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-07-14 00:14:37,729 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-07-14 00:14:37,730 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-07-14 00:14:37,730 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-07-14 00:14:37,730 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_4 [2022-07-14 00:14:37,730 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_4 [2022-07-14 00:14:37,730 INFO L130 BoogieDeclarations]: Found specification of procedure skb_checksum [2022-07-14 00:14:37,730 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_checksum [2022-07-14 00:14:37,730 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_mdio_read [2022-07-14 00:14:37,730 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_mdio_read [2022-07-14 00:14:37,730 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_clean_rx_ring [2022-07-14 00:14:37,730 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_clean_rx_ring [2022-07-14 00:14:37,730 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2022-07-14 00:14:37,730 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2022-07-14 00:14:37,730 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_up [2022-07-14 00:14:37,730 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_up [2022-07-14 00:14:37,730 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-14 00:14:37,730 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-14 00:14:37,730 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-07-14 00:14:37,730 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-07-14 00:14:37,730 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-07-14 00:14:37,731 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-07-14 00:14:37,731 INFO L130 BoogieDeclarations]: Found specification of procedure mii_ethtool_gset [2022-07-14 00:14:37,731 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_ethtool_gset [2022-07-14 00:14:37,731 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_2 [2022-07-14 00:14:37,731 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_2 [2022-07-14 00:14:37,731 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_clean_tx_ring [2022-07-14 00:14:37,731 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_clean_tx_ring [2022-07-14 00:14:37,731 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_reset [2022-07-14 00:14:37,731 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_reset [2022-07-14 00:14:37,731 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2022-07-14 00:14:37,731 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2022-07-14 00:14:37,732 INFO L130 BoogieDeclarations]: Found specification of procedure round_jiffies [2022-07-14 00:14:37,732 INFO L138 BoogieDeclarations]: Found implementation of procedure round_jiffies [2022-07-14 00:14:37,732 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_stop [2022-07-14 00:14:37,732 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_stop [2022-07-14 00:14:37,732 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-14 00:14:37,732 INFO L130 BoogieDeclarations]: Found specification of procedure ns_to_ktime [2022-07-14 00:14:37,732 INFO L138 BoogieDeclarations]: Found implementation of procedure ns_to_ktime [2022-07-14 00:14:37,732 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_off [2022-07-14 00:14:37,733 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_off [2022-07-14 00:14:37,733 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2022-07-14 00:14:37,733 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2022-07-14 00:14:37,733 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-07-14 00:14:37,733 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-07-14 00:14:37,733 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-14 00:14:37,733 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_remove [2022-07-14 00:14:37,733 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_remove [2022-07-14 00:14:37,734 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_io_resume [2022-07-14 00:14:37,734 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_io_resume [2022-07-14 00:14:37,734 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~~s32~0 [2022-07-14 00:14:37,734 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~~s32~0 [2022-07-14 00:14:37,734 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2022-07-14 00:14:37,734 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-07-14 00:14:37,734 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-07-14 00:14:37,734 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-07-14 00:14:37,735 INFO L130 BoogieDeclarations]: Found specification of procedure pch_ch_event_read [2022-07-14 00:14:37,735 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_ch_event_read [2022-07-14 00:14:37,735 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-14 00:14:37,735 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2022-07-14 00:14:37,735 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2022-07-14 00:14:37,735 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_nway_reset [2022-07-14 00:14:37,735 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_nway_reset [2022-07-14 00:14:37,735 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-07-14 00:14:37,735 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-07-14 00:14:37,736 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2022-07-14 00:14:37,736 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2022-07-14 00:14:37,736 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_irq_enable [2022-07-14 00:14:37,736 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_irq_enable [2022-07-14 00:14:37,736 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2022-07-14 00:14:37,736 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2022-07-14 00:14:37,736 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-07-14 00:14:37,736 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-07-14 00:14:37,736 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_phy_hw_reset [2022-07-14 00:14:37,737 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_phy_hw_reset [2022-07-14 00:14:37,737 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_tx_timeout [2022-07-14 00:14:37,737 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_tx_timeout [2022-07-14 00:14:37,737 INFO L130 BoogieDeclarations]: Found specification of procedure mii_link_ok [2022-07-14 00:14:37,737 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_link_ok [2022-07-14 00:14:37,737 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-07-14 00:14:37,737 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-07-14 00:14:37,737 INFO L130 BoogieDeclarations]: Found specification of procedure mii_ethtool_sset [2022-07-14 00:14:37,737 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_ethtool_sset [2022-07-14 00:14:37,738 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_hal_power_down_phy [2022-07-14 00:14:37,738 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_hal_power_down_phy [2022-07-14 00:14:37,738 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2022-07-14 00:14:37,738 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2022-07-14 00:14:37,738 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_set_mode [2022-07-14 00:14:37,738 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_set_mode [2022-07-14 00:14:37,738 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-07-14 00:14:37,738 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-07-14 00:14:37,738 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_setup_rx_resources [2022-07-14 00:14:37,739 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_setup_rx_resources [2022-07-14 00:14:37,739 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free [2022-07-14 00:14:37,739 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free [2022-07-14 00:14:37,739 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-07-14 00:14:37,739 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-07-14 00:14:37,739 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_timer_2 [2022-07-14 00:14:37,739 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_timer_2 [2022-07-14 00:14:37,739 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-14 00:14:37,739 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-14 00:14:37,740 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_validate_option [2022-07-14 00:14:37,740 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_validate_option [2022-07-14 00:14:37,740 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_mac_reset_hw [2022-07-14 00:14:37,740 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_mac_reset_hw [2022-07-14 00:14:37,740 INFO L130 BoogieDeclarations]: Found specification of procedure udp_hdr [2022-07-14 00:14:37,740 INFO L138 BoogieDeclarations]: Found implementation of procedure udp_hdr [2022-07-14 00:14:37,740 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_setup_rctl [2022-07-14 00:14:37,740 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_setup_rctl [2022-07-14 00:14:37,740 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2022-07-14 00:14:37,741 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_phy_sw_reset [2022-07-14 00:14:37,741 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_phy_sw_reset [2022-07-14 00:14:37,741 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2022-07-14 00:14:37,741 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-07-14 00:14:37,741 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2022-07-14 00:14:37,741 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-14 00:14:37,741 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-14 00:14:37,741 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_netdev_alloc_skb_74 [2022-07-14 00:14:37,741 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_netdev_alloc_skb_74 [2022-07-14 00:14:37,742 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_ioctl [2022-07-14 00:14:37,742 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_ioctl [2022-07-14 00:14:37,742 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_hal_phy_hw_reset [2022-07-14 00:14:37,742 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_hal_phy_hw_reset [2022-07-14 00:14:37,742 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_phy_write_reg_miic [2022-07-14 00:14:37,742 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_phy_write_reg_miic [2022-07-14 00:14:37,743 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2022-07-14 00:14:37,743 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2022-07-14 00:14:37,743 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2022-07-14 00:14:37,743 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2022-07-14 00:14:37,743 INFO L130 BoogieDeclarations]: Found specification of procedure pch_ch_control_write [2022-07-14 00:14:37,743 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_ch_control_write [2022-07-14 00:14:37,743 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_set_multi [2022-07-14 00:14:37,743 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_set_multi [2022-07-14 00:14:37,744 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_shutdown [2022-07-14 00:14:37,744 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_shutdown [2022-07-14 00:14:37,744 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2022-07-14 00:14:37,744 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2022-07-14 00:14:37,744 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2022-07-14 00:14:37,744 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2022-07-14 00:14:37,744 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2022-07-14 00:14:37,744 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2022-07-14 00:14:37,744 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_phy_read_reg_miic [2022-07-14 00:14:37,744 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_phy_read_reg_miic [2022-07-14 00:14:37,745 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_mac_read_mac_addr [2022-07-14 00:14:37,745 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_mac_read_mac_addr [2022-07-14 00:14:37,745 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_set_rgmii_ctrl [2022-07-14 00:14:37,745 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_set_rgmii_ctrl [2022-07-14 00:14:37,745 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed [2022-07-14 00:14:37,745 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed [2022-07-14 00:14:37,745 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_get_stats [2022-07-14 00:14:37,745 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_get_stats [2022-07-14 00:14:37,745 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_down [2022-07-14 00:14:37,746 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_down [2022-07-14 00:14:37,746 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_free_irq [2022-07-14 00:14:37,746 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_free_irq [2022-07-14 00:14:37,746 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_mac_mar_set [2022-07-14 00:14:37,746 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_mac_mar_set [2022-07-14 00:14:37,746 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_io_slot_reset [2022-07-14 00:14:37,746 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_io_slot_reset [2022-07-14 00:14:38,557 INFO L234 CfgBuilder]: Building ICFG [2022-07-14 00:14:38,560 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-14 00:14:39,596 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-14 00:16:49,311 INFO L275 CfgBuilder]: Performing block encoding [2022-07-14 00:16:49,382 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-14 00:16:49,382 INFO L299 CfgBuilder]: Removed 5 assume(true) statements. [2022-07-14 00:16:49,386 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 12:16:49 BoogieIcfgContainer [2022-07-14 00:16:49,400 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-14 00:16:49,401 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-14 00:16:49,402 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-14 00:16:49,404 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-14 00:16:49,419 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.07 12:14:32" (1/3) ... [2022-07-14 00:16:49,423 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d88eca2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.07 12:16:49, skipping insertion in model container [2022-07-14 00:16:49,423 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:14:36" (2/3) ... [2022-07-14 00:16:49,424 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d88eca2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.07 12:16:49, skipping insertion in model container [2022-07-14 00:16:49,424 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 12:16:49" (3/3) ... [2022-07-14 00:16:49,425 INFO L111 eAbstractionObserver]: Analyzing ICFG 205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ethernet--oki-semi--pch_gbe--pch_gbe.ko-entry_point.cil.out.i [2022-07-14 00:16:49,435 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-14 00:16:49,445 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-14 00:16:49,583 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-14 00:16:49,588 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@272c45ac, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@410170d7 [2022-07-14 00:16:49,588 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-14 00:16:49,616 INFO L276 IsEmpty]: Start isEmpty. Operand has 2973 states, 2076 states have (on average 1.3381502890173411) internal successors, (2778), 2135 states have internal predecessors, (2778), 738 states have call successors, (738), 159 states have call predecessors, (738), 158 states have return successors, (726), 707 states have call predecessors, (726), 726 states have call successors, (726) [2022-07-14 00:16:49,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2022-07-14 00:16:49,648 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 00:16:49,649 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 00:16:49,650 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 00:16:49,663 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 00:16:49,664 INFO L85 PathProgramCache]: Analyzing trace with hash -1791158106, now seen corresponding path program 1 times [2022-07-14 00:16:49,701 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 00:16:49,703 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1231423521] [2022-07-14 00:16:49,703 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 00:16:49,704 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 00:16:49,704 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 00:16:49,721 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) [2022-07-14 00:16:49,783 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-07-14 00:16:53,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:16:53,483 INFO L263 TraceCheckSpWp]: Trace formula consists of 3521 conjuncts, 3 conjunts are in the unsatisfiable core [2022-07-14 00:16:53,495 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 00:16:53,876 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2022-07-14 00:16:53,876 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 00:16:53,877 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 00:16:53,877 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1231423521] [2022-07-14 00:16:53,877 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1231423521] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 00:16:53,877 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 00:16:53,877 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-14 00:16:53,878 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [980332848] [2022-07-14 00:16:53,879 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 00:16:53,881 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-14 00:16:53,881 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 00:16:53,897 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-14 00:16:53,899 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-14 00:16:53,906 INFO L87 Difference]: Start difference. First operand has 2973 states, 2076 states have (on average 1.3381502890173411) internal successors, (2778), 2135 states have internal predecessors, (2778), 738 states have call successors, (738), 159 states have call predecessors, (738), 158 states have return successors, (726), 707 states have call predecessors, (726), 726 states have call successors, (726) Second operand has 4 states, 4 states have (on average 10.0) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (8), 2 states have call predecessors, (8), 3 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-07-14 00:16:54,629 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 00:16:54,629 INFO L93 Difference]: Finished difference Result 5941 states and 8622 transitions. [2022-07-14 00:16:54,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-14 00:16:54,632 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.0) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (8), 2 states have call predecessors, (8), 3 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 67 [2022-07-14 00:16:54,632 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 00:16:54,680 INFO L225 Difference]: With dead ends: 5941 [2022-07-14 00:16:54,690 INFO L226 Difference]: Without dead ends: 2946 [2022-07-14 00:16:54,731 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-14 00:16:54,738 INFO L413 NwaCegarLoop]: 4219 mSDtfsCounter, 2 mSDsluCounter, 8429 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 12648 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-07-14 00:16:54,738 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 12648 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-07-14 00:16:54,781 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2946 states. [2022-07-14 00:16:55,066 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2946 to 2946. [2022-07-14 00:16:55,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2946 states, 2062 states have (on average 1.3258971871968963) internal successors, (2734), 2107 states have internal predecessors, (2734), 725 states have call successors, (725), 158 states have call predecessors, (725), 158 states have return successors, (728), 705 states have call predecessors, (728), 724 states have call successors, (728) [2022-07-14 00:16:55,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2946 states to 2946 states and 4187 transitions. [2022-07-14 00:16:55,114 INFO L78 Accepts]: Start accepts. Automaton has 2946 states and 4187 transitions. Word has length 67 [2022-07-14 00:16:55,115 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 00:16:55,131 INFO L495 AbstractCegarLoop]: Abstraction has 2946 states and 4187 transitions. [2022-07-14 00:16:55,131 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.0) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (8), 2 states have call predecessors, (8), 3 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-07-14 00:16:55,132 INFO L276 IsEmpty]: Start isEmpty. Operand 2946 states and 4187 transitions. [2022-07-14 00:16:55,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2022-07-14 00:16:55,143 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 00:16:55,144 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 00:16:55,207 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-07-14 00:16:55,347 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-14 00:16:55,347 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 00:16:55,348 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 00:16:55,348 INFO L85 PathProgramCache]: Analyzing trace with hash 1276349690, now seen corresponding path program 1 times [2022-07-14 00:16:55,351 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 00:16:55,363 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1215211784] [2022-07-14 00:16:55,364 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 00:16:55,364 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 00:16:55,364 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 00:16:55,376 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) [2022-07-14 00:16:55,427 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-07-14 00:16:58,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:16:58,733 INFO L263 TraceCheckSpWp]: Trace formula consists of 3543 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-14 00:16:58,737 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 00:16:58,977 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2022-07-14 00:16:58,977 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-14 00:16:59,673 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2022-07-14 00:16:59,674 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 00:16:59,674 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1215211784] [2022-07-14 00:16:59,674 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1215211784] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-14 00:16:59,674 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-07-14 00:16:59,674 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2022-07-14 00:16:59,675 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1895482906] [2022-07-14 00:16:59,675 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-07-14 00:16:59,676 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-07-14 00:16:59,676 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 00:16:59,676 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-07-14 00:16:59,676 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-07-14 00:16:59,677 INFO L87 Difference]: Start difference. First operand 2946 states and 4187 transitions. Second operand has 8 states, 8 states have (on average 6.25) internal successors, (50), 8 states have internal predecessors, (50), 2 states have call successors, (9), 2 states have call predecessors, (9), 4 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-07-14 00:17:01,835 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 00:17:01,835 INFO L93 Difference]: Finished difference Result 5888 states and 8381 transitions. [2022-07-14 00:17:01,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-07-14 00:17:01,837 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.25) internal successors, (50), 8 states have internal predecessors, (50), 2 states have call successors, (9), 2 states have call predecessors, (9), 4 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 69 [2022-07-14 00:17:01,837 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 00:17:01,853 INFO L225 Difference]: With dead ends: 5888 [2022-07-14 00:17:01,853 INFO L226 Difference]: Without dead ends: 2957 [2022-07-14 00:17:01,873 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 141 GetRequests, 130 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=62, Invalid=94, Unknown=0, NotChecked=0, Total=156 [2022-07-14 00:17:01,874 INFO L413 NwaCegarLoop]: 4173 mSDtfsCounter, 12 mSDsluCounter, 16663 mSDsCounter, 0 mSdLazyCounter, 104 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 20836 SdHoareTripleChecker+Invalid, 117 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 104 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-07-14 00:17:01,875 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 20836 Invalid, 117 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [13 Valid, 104 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-07-14 00:17:01,879 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2957 states. [2022-07-14 00:17:01,944 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2957 to 2955. [2022-07-14 00:17:01,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2955 states, 2070 states have (on average 1.327536231884058) internal successors, (2748), 2115 states have internal predecessors, (2748), 725 states have call successors, (725), 159 states have call predecessors, (725), 159 states have return successors, (732), 705 states have call predecessors, (732), 724 states have call successors, (732) [2022-07-14 00:17:01,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2955 states to 2955 states and 4205 transitions. [2022-07-14 00:17:01,962 INFO L78 Accepts]: Start accepts. Automaton has 2955 states and 4205 transitions. Word has length 69 [2022-07-14 00:17:01,963 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 00:17:01,963 INFO L495 AbstractCegarLoop]: Abstraction has 2955 states and 4205 transitions. [2022-07-14 00:17:01,963 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.25) internal successors, (50), 8 states have internal predecessors, (50), 2 states have call successors, (9), 2 states have call predecessors, (9), 4 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-07-14 00:17:01,963 INFO L276 IsEmpty]: Start isEmpty. Operand 2955 states and 4205 transitions. [2022-07-14 00:17:01,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2022-07-14 00:17:01,966 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 00:17:01,966 INFO L195 NwaCegarLoop]: trace histogram [6, 5, 5, 5, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 00:17:02,053 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-07-14 00:17:02,171 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-14 00:17:02,172 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 00:17:02,172 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 00:17:02,172 INFO L85 PathProgramCache]: Analyzing trace with hash 1246096550, now seen corresponding path program 2 times [2022-07-14 00:17:02,175 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 00:17:02,175 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1055261252] [2022-07-14 00:17:02,175 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-07-14 00:17:02,175 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 00:17:02,175 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 00:17:02,212 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) [2022-07-14 00:17:02,213 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-07-14 00:17:05,195 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-07-14 00:17:05,195 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-14 00:17:05,335 INFO L263 TraceCheckSpWp]: Trace formula consists of 3426 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-14 00:17:05,339 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 00:17:06,105 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2022-07-14 00:17:06,105 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 00:17:06,105 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 00:17:06,105 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1055261252] [2022-07-14 00:17:06,105 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1055261252] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 00:17:06,105 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 00:17:06,105 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-14 00:17:06,106 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [418042559] [2022-07-14 00:17:06,106 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 00:17:06,106 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-14 00:17:06,106 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 00:17:06,106 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-14 00:17:06,106 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-14 00:17:06,106 INFO L87 Difference]: Start difference. First operand 2955 states and 4205 transitions. Second operand has 5 states, 5 states have (on average 7.6) internal successors, (38), 5 states have internal predecessors, (38), 3 states have call successors, (8), 3 states have call predecessors, (8), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-07-14 00:17:07,699 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 00:17:07,700 INFO L93 Difference]: Finished difference Result 8824 states and 12677 transitions. [2022-07-14 00:17:07,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-14 00:17:07,701 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.6) internal successors, (38), 5 states have internal predecessors, (38), 3 states have call successors, (8), 3 states have call predecessors, (8), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 73 [2022-07-14 00:17:07,702 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 00:17:07,749 INFO L225 Difference]: With dead ends: 8824 [2022-07-14 00:17:07,749 INFO L226 Difference]: Without dead ends: 5883 [2022-07-14 00:17:07,763 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-07-14 00:17:07,766 INFO L413 NwaCegarLoop]: 4974 mSDtfsCounter, 4145 mSDsluCounter, 14150 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4145 SdHoareTripleChecker+Valid, 19124 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-07-14 00:17:07,767 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4145 Valid, 19124 Invalid, 44 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-07-14 00:17:07,775 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5883 states. [2022-07-14 00:17:07,994 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5883 to 5877. [2022-07-14 00:17:08,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5877 states, 4117 states have (on average 1.3283944619868837) internal successors, (5469), 4206 states have internal predecessors, (5469), 1442 states have call successors, (1442), 317 states have call predecessors, (1442), 317 states have return successors, (1512), 1403 states have call predecessors, (1512), 1441 states have call successors, (1512) [2022-07-14 00:17:08,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5877 states to 5877 states and 8423 transitions. [2022-07-14 00:17:08,086 INFO L78 Accepts]: Start accepts. Automaton has 5877 states and 8423 transitions. Word has length 73 [2022-07-14 00:17:08,088 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 00:17:08,088 INFO L495 AbstractCegarLoop]: Abstraction has 5877 states and 8423 transitions. [2022-07-14 00:17:08,089 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.6) internal successors, (38), 5 states have internal predecessors, (38), 3 states have call successors, (8), 3 states have call predecessors, (8), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-07-14 00:17:08,089 INFO L276 IsEmpty]: Start isEmpty. Operand 5877 states and 8423 transitions. [2022-07-14 00:17:08,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 731 [2022-07-14 00:17:08,136 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 00:17:08,136 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 21, 21, 11, 11, 6, 6, 6, 6, 6, 6, 6, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 00:17:08,273 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-07-14 00:17:08,371 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-14 00:17:08,371 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 00:17:08,372 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 00:17:08,372 INFO L85 PathProgramCache]: Analyzing trace with hash -1430131954, now seen corresponding path program 1 times [2022-07-14 00:17:08,377 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 00:17:08,378 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1486405648] [2022-07-14 00:17:08,378 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 00:17:08,379 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 00:17:08,379 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 00:17:08,386 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) [2022-07-14 00:17:08,442 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-07-14 00:17:13,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:17:14,501 INFO L263 TraceCheckSpWp]: Trace formula consists of 6683 conjuncts, 7 conjunts are in the unsatisfiable core [2022-07-14 00:17:14,556 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 00:17:15,332 INFO L134 CoverageAnalysis]: Checked inductivity of 1702 backedges. 70 proven. 10 refuted. 0 times theorem prover too weak. 1622 trivial. 0 not checked. [2022-07-14 00:17:15,332 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-14 00:17:17,482 INFO L134 CoverageAnalysis]: Checked inductivity of 1702 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 1647 trivial. 0 not checked. [2022-07-14 00:17:17,482 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 00:17:17,482 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1486405648] [2022-07-14 00:17:17,482 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1486405648] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-14 00:17:17,482 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-07-14 00:17:17,483 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 14 [2022-07-14 00:17:17,483 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2015434624] [2022-07-14 00:17:17,483 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-07-14 00:17:17,484 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-07-14 00:17:17,484 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 00:17:17,485 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-07-14 00:17:17,485 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=122, Unknown=0, NotChecked=0, Total=182 [2022-07-14 00:17:17,485 INFO L87 Difference]: Start difference. First operand 5877 states and 8423 transitions. Second operand has 14 states, 14 states have (on average 47.214285714285715) internal successors, (661), 14 states have internal predecessors, (661), 2 states have call successors, (209), 2 states have call predecessors, (209), 4 states have return successors, (209), 2 states have call predecessors, (209), 2 states have call successors, (209) [2022-07-14 00:17:23,772 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 00:17:23,773 INFO L93 Difference]: Finished difference Result 11785 states and 16930 transitions. [2022-07-14 00:17:23,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-07-14 00:17:23,775 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 47.214285714285715) internal successors, (661), 14 states have internal predecessors, (661), 2 states have call successors, (209), 2 states have call predecessors, (209), 4 states have return successors, (209), 2 states have call predecessors, (209), 2 states have call successors, (209) Word has length 730 [2022-07-14 00:17:23,775 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 00:17:23,841 INFO L225 Difference]: With dead ends: 11785 [2022-07-14 00:17:23,842 INFO L226 Difference]: Without dead ends: 5921 [2022-07-14 00:17:23,894 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1470 GetRequests, 1446 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 3.7s TimeCoverageRelationStatistics Valid=204, Invalid=446, Unknown=0, NotChecked=0, Total=650 [2022-07-14 00:17:23,896 INFO L413 NwaCegarLoop]: 4176 mSDtfsCounter, 46 mSDsluCounter, 20849 mSDsCounter, 0 mSdLazyCounter, 308 mSolverCounterSat, 47 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 25025 SdHoareTripleChecker+Invalid, 355 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 47 IncrementalHoareTripleChecker+Valid, 308 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.7s IncrementalHoareTripleChecker+Time [2022-07-14 00:17:23,896 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [46 Valid, 25025 Invalid, 355 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [47 Valid, 308 Invalid, 0 Unknown, 0 Unchecked, 3.7s Time] [2022-07-14 00:17:23,903 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5921 states. [2022-07-14 00:17:24,164 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5921 to 5893. [2022-07-14 00:17:24,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5893 states, 4131 states have (on average 1.3294601791333818) internal successors, (5492), 4221 states have internal predecessors, (5492), 1442 states have call successors, (1442), 318 states have call predecessors, (1442), 319 states have return successors, (1509), 1403 states have call predecessors, (1509), 1441 states have call successors, (1509) [2022-07-14 00:17:24,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5893 states to 5893 states and 8443 transitions. [2022-07-14 00:17:24,197 INFO L78 Accepts]: Start accepts. Automaton has 5893 states and 8443 transitions. Word has length 730 [2022-07-14 00:17:24,197 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 00:17:24,197 INFO L495 AbstractCegarLoop]: Abstraction has 5893 states and 8443 transitions. [2022-07-14 00:17:24,198 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 47.214285714285715) internal successors, (661), 14 states have internal predecessors, (661), 2 states have call successors, (209), 2 states have call predecessors, (209), 4 states have return successors, (209), 2 states have call predecessors, (209), 2 states have call successors, (209) [2022-07-14 00:17:24,198 INFO L276 IsEmpty]: Start isEmpty. Operand 5893 states and 8443 transitions. [2022-07-14 00:17:24,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 829 [2022-07-14 00:17:24,225 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 00:17:24,226 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 20, 20, 12, 12, 12, 10, 10, 10, 6, 6, 6, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 00:17:24,426 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Ended with exit code 0 [2022-07-14 00:17:24,439 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-14 00:17:24,440 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 00:17:24,440 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 00:17:24,440 INFO L85 PathProgramCache]: Analyzing trace with hash 1482013768, now seen corresponding path program 1 times [2022-07-14 00:17:24,444 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 00:17:24,444 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [981495147] [2022-07-14 00:17:24,444 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 00:17:24,445 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 00:17:24,445 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 00:17:24,446 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) [2022-07-14 00:17:24,448 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-07-14 00:17:30,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:17:30,432 INFO L263 TraceCheckSpWp]: Trace formula consists of 6814 conjuncts, 5 conjunts are in the unsatisfiable core [2022-07-14 00:17:30,460 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 00:17:30,813 INFO L134 CoverageAnalysis]: Checked inductivity of 2013 backedges. 241 proven. 3 refuted. 0 times theorem prover too weak. 1769 trivial. 0 not checked. [2022-07-14 00:17:30,813 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-14 00:17:32,440 INFO L134 CoverageAnalysis]: Checked inductivity of 2013 backedges. 29 proven. 23 refuted. 0 times theorem prover too weak. 1961 trivial. 0 not checked. [2022-07-14 00:17:32,441 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 00:17:32,441 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [981495147] [2022-07-14 00:17:32,441 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [981495147] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-14 00:17:32,441 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-07-14 00:17:32,441 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2022-07-14 00:17:32,441 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [545563598] [2022-07-14 00:17:32,441 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-07-14 00:17:32,442 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-07-14 00:17:32,443 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 00:17:32,443 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-07-14 00:17:32,447 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2022-07-14 00:17:32,449 INFO L87 Difference]: Start difference. First operand 5893 states and 8443 transitions. Second operand has 10 states, 10 states have (on average 63.5) internal successors, (635), 10 states have internal predecessors, (635), 2 states have call successors, (218), 2 states have call predecessors, (218), 4 states have return successors, (218), 2 states have call predecessors, (218), 2 states have call successors, (218) [2022-07-14 00:17:34,576 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 00:17:34,576 INFO L93 Difference]: Finished difference Result 11797 states and 16917 transitions. [2022-07-14 00:17:34,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-07-14 00:17:34,578 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 63.5) internal successors, (635), 10 states have internal predecessors, (635), 2 states have call successors, (218), 2 states have call predecessors, (218), 4 states have return successors, (218), 2 states have call predecessors, (218), 2 states have call successors, (218) Word has length 828 [2022-07-14 00:17:34,591 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 00:17:34,634 INFO L225 Difference]: With dead ends: 11797 [2022-07-14 00:17:34,644 INFO L226 Difference]: Without dead ends: 5923 [2022-07-14 00:17:34,683 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1660 GetRequests, 1646 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=80, Invalid=160, Unknown=0, NotChecked=0, Total=240 [2022-07-14 00:17:34,689 INFO L413 NwaCegarLoop]: 4174 mSDtfsCounter, 42 mSDsluCounter, 12507 mSDsCounter, 0 mSdLazyCounter, 111 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 42 SdHoareTripleChecker+Valid, 16681 SdHoareTripleChecker+Invalid, 139 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 111 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-07-14 00:17:34,689 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [42 Valid, 16681 Invalid, 139 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 111 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-07-14 00:17:34,695 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5923 states. [2022-07-14 00:17:34,962 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5923 to 5893. [2022-07-14 00:17:34,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5893 states, 4132 states have (on average 1.3284123910939012) internal successors, (5489), 4220 states have internal predecessors, (5489), 1442 states have call successors, (1442), 319 states have call predecessors, (1442), 318 states have return successors, (1500), 1403 states have call predecessors, (1500), 1441 states have call successors, (1500) [2022-07-14 00:17:35,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5893 states to 5893 states and 8431 transitions. [2022-07-14 00:17:35,033 INFO L78 Accepts]: Start accepts. Automaton has 5893 states and 8431 transitions. Word has length 828 [2022-07-14 00:17:35,034 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 00:17:35,034 INFO L495 AbstractCegarLoop]: Abstraction has 5893 states and 8431 transitions. [2022-07-14 00:17:35,034 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 63.5) internal successors, (635), 10 states have internal predecessors, (635), 2 states have call successors, (218), 2 states have call predecessors, (218), 4 states have return successors, (218), 2 states have call predecessors, (218), 2 states have call successors, (218) [2022-07-14 00:17:35,035 INFO L276 IsEmpty]: Start isEmpty. Operand 5893 states and 8431 transitions. [2022-07-14 00:17:35,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 831 [2022-07-14 00:17:35,091 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 00:17:35,092 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 20, 20, 12, 12, 12, 12, 10, 10, 6, 6, 6, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 00:17:35,288 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2022-07-14 00:17:35,312 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-14 00:17:35,313 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 00:17:35,313 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 00:17:35,314 INFO L85 PathProgramCache]: Analyzing trace with hash 212023624, now seen corresponding path program 2 times [2022-07-14 00:17:35,318 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 00:17:35,318 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [509937449] [2022-07-14 00:17:35,318 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-07-14 00:17:35,318 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 00:17:35,318 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 00:17:35,320 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) [2022-07-14 00:17:35,324 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2022-07-14 00:17:38,680 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-07-14 00:17:38,680 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-14 00:17:38,831 INFO L263 TraceCheckSpWp]: Trace formula consists of 3481 conjuncts, 9 conjunts are in the unsatisfiable core [2022-07-14 00:17:38,859 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 00:17:39,301 INFO L134 CoverageAnalysis]: Checked inductivity of 2046 backedges. 474 proven. 0 refuted. 0 times theorem prover too weak. 1572 trivial. 0 not checked. [2022-07-14 00:17:39,302 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 00:17:39,302 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 00:17:39,302 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [509937449] [2022-07-14 00:17:39,302 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [509937449] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 00:17:39,302 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 00:17:39,302 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-14 00:17:39,302 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [902290919] [2022-07-14 00:17:39,302 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 00:17:39,303 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-14 00:17:39,303 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 00:17:39,303 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-14 00:17:39,303 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-14 00:17:39,304 INFO L87 Difference]: Start difference. First operand 5893 states and 8431 transitions. Second operand has 5 states, 5 states have (on average 73.8) internal successors, (369), 4 states have internal predecessors, (369), 2 states have call successors, (113), 2 states have call predecessors, (113), 3 states have return successors, (112), 3 states have call predecessors, (112), 2 states have call successors, (112) [2022-07-14 00:17:40,246 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 00:17:40,259 INFO L93 Difference]: Finished difference Result 11759 states and 17033 transitions. [2022-07-14 00:17:40,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-14 00:17:40,260 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 73.8) internal successors, (369), 4 states have internal predecessors, (369), 2 states have call successors, (113), 2 states have call predecessors, (113), 3 states have return successors, (112), 3 states have call predecessors, (112), 2 states have call successors, (112) Word has length 830 [2022-07-14 00:17:40,262 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 00:17:40,379 INFO L225 Difference]: With dead ends: 11759 [2022-07-14 00:17:40,380 INFO L226 Difference]: Without dead ends: 5905 [2022-07-14 00:17:40,458 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 829 GetRequests, 826 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-14 00:17:40,459 INFO L413 NwaCegarLoop]: 4178 mSDtfsCounter, 2 mSDsluCounter, 12506 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 16684 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-07-14 00:17:40,459 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 16684 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-07-14 00:17:40,747 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5905 states. [2022-07-14 00:17:41,079 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5905 to 5903. [2022-07-14 00:17:41,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5903 states, 4139 states have (on average 1.327856970282677) internal successors, (5496), 4228 states have internal predecessors, (5496), 1442 states have call successors, (1442), 319 states have call predecessors, (1442), 321 states have return successors, (1542), 1405 states have call predecessors, (1542), 1441 states have call successors, (1542) [2022-07-14 00:17:41,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5903 states to 5903 states and 8480 transitions. [2022-07-14 00:17:41,153 INFO L78 Accepts]: Start accepts. Automaton has 5903 states and 8480 transitions. Word has length 830 [2022-07-14 00:17:41,169 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 00:17:41,169 INFO L495 AbstractCegarLoop]: Abstraction has 5903 states and 8480 transitions. [2022-07-14 00:17:41,170 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 73.8) internal successors, (369), 4 states have internal predecessors, (369), 2 states have call successors, (113), 2 states have call predecessors, (113), 3 states have return successors, (112), 3 states have call predecessors, (112), 2 states have call successors, (112) [2022-07-14 00:17:41,170 INFO L276 IsEmpty]: Start isEmpty. Operand 5903 states and 8480 transitions. [2022-07-14 00:17:41,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 773 [2022-07-14 00:17:41,222 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 00:17:41,222 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 21, 21, 12, 12, 12, 11, 11, 11, 6, 6, 6, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 00:17:41,422 WARN L435 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Forcibly destroying the process [2022-07-14 00:17:41,439 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2022-07-14 00:17:41,440 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-14 00:17:41,440 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 00:17:41,440 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 00:17:41,441 INFO L85 PathProgramCache]: Analyzing trace with hash -1701709889, now seen corresponding path program 1 times [2022-07-14 00:17:41,447 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 00:17:41,447 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [185853308] [2022-07-14 00:17:41,452 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 00:17:41,452 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 00:17:41,452 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 00:17:41,471 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) [2022-07-14 00:17:41,569 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2022-07-14 00:17:51,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:17:52,156 INFO L263 TraceCheckSpWp]: Trace formula consists of 6795 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-14 00:17:52,207 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 00:17:52,534 INFO L134 CoverageAnalysis]: Checked inductivity of 1980 backedges. 225 proven. 0 refuted. 0 times theorem prover too weak. 1755 trivial. 0 not checked. [2022-07-14 00:17:52,534 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 00:17:52,539 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 00:17:52,539 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [185853308] [2022-07-14 00:17:52,539 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [185853308] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 00:17:52,539 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 00:17:52,539 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-14 00:17:52,540 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [264253470] [2022-07-14 00:17:52,541 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 00:17:52,543 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-14 00:17:52,543 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 00:17:52,543 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-14 00:17:52,543 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 00:17:52,544 INFO L87 Difference]: Start difference. First operand 5903 states and 8480 transitions. Second operand has 3 states, 3 states have (on average 124.0) internal successors, (372), 3 states have internal predecessors, (372), 2 states have call successors, (115), 2 states have call predecessors, (115), 2 states have return successors, (114), 2 states have call predecessors, (114), 2 states have call successors, (114) [2022-07-14 00:17:54,556 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 00:17:54,556 INFO L93 Difference]: Finished difference Result 17083 states and 24440 transitions. [2022-07-14 00:17:54,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-14 00:17:54,557 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 124.0) internal successors, (372), 3 states have internal predecessors, (372), 2 states have call successors, (115), 2 states have call predecessors, (115), 2 states have return successors, (114), 2 states have call predecessors, (114), 2 states have call successors, (114) Word has length 772 [2022-07-14 00:17:54,557 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 00:17:54,797 INFO L225 Difference]: With dead ends: 17083 [2022-07-14 00:17:54,797 INFO L226 Difference]: Without dead ends: 11219 [2022-07-14 00:17:54,876 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 771 GetRequests, 770 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 00:17:54,877 INFO L413 NwaCegarLoop]: 4825 mSDtfsCounter, 3744 mSDsluCounter, 4103 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3744 SdHoareTripleChecker+Valid, 8928 SdHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-07-14 00:17:54,877 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3744 Valid, 8928 Invalid, 53 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-07-14 00:17:54,917 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11219 states. [2022-07-14 00:17:55,655 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11219 to 11207. [2022-07-14 00:17:55,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11207 states, 7836 states have (on average 1.3237621235324144) internal successors, (10373), 8004 states have internal predecessors, (10373), 2734 states have call successors, (2734), 631 states have call predecessors, (2734), 636 states have return successors, (2898), 2659 states have call predecessors, (2898), 2733 states have call successors, (2898) [2022-07-14 00:17:55,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11207 states to 11207 states and 16005 transitions. [2022-07-14 00:17:55,822 INFO L78 Accepts]: Start accepts. Automaton has 11207 states and 16005 transitions. Word has length 772 [2022-07-14 00:17:55,824 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 00:17:55,824 INFO L495 AbstractCegarLoop]: Abstraction has 11207 states and 16005 transitions. [2022-07-14 00:17:55,824 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 124.0) internal successors, (372), 3 states have internal predecessors, (372), 2 states have call successors, (115), 2 states have call predecessors, (115), 2 states have return successors, (114), 2 states have call predecessors, (114), 2 states have call successors, (114) [2022-07-14 00:17:55,825 INFO L276 IsEmpty]: Start isEmpty. Operand 11207 states and 16005 transitions. [2022-07-14 00:17:55,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 744 [2022-07-14 00:17:55,927 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 00:17:55,928 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 21, 21, 12, 11, 11, 6, 6, 6, 6, 6, 5, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 00:17:56,147 WARN L435 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Forcibly destroying the process [2022-07-14 00:17:56,293 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 137 [2022-07-14 00:17:56,293 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-14 00:17:56,293 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 00:17:56,293 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 00:17:56,294 INFO L85 PathProgramCache]: Analyzing trace with hash 1021734738, now seen corresponding path program 1 times [2022-07-14 00:17:56,298 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 00:17:56,298 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [334715602] [2022-07-14 00:17:56,298 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 00:17:56,298 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 00:17:56,299 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 00:17:56,315 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) [2022-07-14 00:17:56,384 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2022-07-14 00:18:06,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:18:07,338 INFO L263 TraceCheckSpWp]: Trace formula consists of 6775 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-14 00:18:07,365 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 00:18:07,874 INFO L134 CoverageAnalysis]: Checked inductivity of 1789 backedges. 104 proven. 0 refuted. 0 times theorem prover too weak. 1685 trivial. 0 not checked. [2022-07-14 00:18:07,875 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 00:18:07,879 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 00:18:07,879 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [334715602] [2022-07-14 00:18:07,879 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [334715602] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 00:18:07,879 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 00:18:07,880 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-14 00:18:07,881 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [368735088] [2022-07-14 00:18:07,881 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 00:18:07,882 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-14 00:18:07,882 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 00:18:07,882 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-14 00:18:07,883 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 00:18:07,887 INFO L87 Difference]: Start difference. First operand 11207 states and 16005 transitions. Second operand has 3 states, 3 states have (on average 120.0) internal successors, (360), 3 states have internal predecessors, (360), 2 states have call successors, (109), 2 states have call predecessors, (109), 2 states have return successors, (108), 2 states have call predecessors, (108), 2 states have call successors, (108) [2022-07-14 00:18:10,694 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 00:18:10,694 INFO L93 Difference]: Finished difference Result 31691 states and 45377 transitions. [2022-07-14 00:18:10,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-14 00:18:10,696 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 120.0) internal successors, (360), 3 states have internal predecessors, (360), 2 states have call successors, (109), 2 states have call predecessors, (109), 2 states have return successors, (108), 2 states have call predecessors, (108), 2 states have call successors, (108) Word has length 743 [2022-07-14 00:18:10,698 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 00:18:11,082 INFO L225 Difference]: With dead ends: 31691 [2022-07-14 00:18:11,107 INFO L226 Difference]: Without dead ends: 20523 [2022-07-14 00:18:11,224 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 742 GetRequests, 741 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 00:18:11,224 INFO L413 NwaCegarLoop]: 4802 mSDtfsCounter, 3542 mSDsluCounter, 4050 mSDsCounter, 0 mSdLazyCounter, 88 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3542 SdHoareTripleChecker+Valid, 8852 SdHoareTripleChecker+Invalid, 95 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 88 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2022-07-14 00:18:11,239 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3542 Valid, 8852 Invalid, 95 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 88 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2022-07-14 00:18:11,298 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20523 states. [2022-07-14 00:18:13,014 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20523 to 20487. [2022-07-14 00:18:13,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20487 states, 14340 states have (on average 1.3233612273361228) internal successors, (18977), 14668 states have internal predecessors, (18977), 4968 states have call successors, (4968), 1171 states have call predecessors, (4968), 1178 states have return successors, (5446), 4815 states have call predecessors, (5446), 4967 states have call successors, (5446) [2022-07-14 00:18:13,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20487 states to 20487 states and 29391 transitions. [2022-07-14 00:18:13,323 INFO L78 Accepts]: Start accepts. Automaton has 20487 states and 29391 transitions. Word has length 743 [2022-07-14 00:18:13,324 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 00:18:13,324 INFO L495 AbstractCegarLoop]: Abstraction has 20487 states and 29391 transitions. [2022-07-14 00:18:13,324 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 120.0) internal successors, (360), 3 states have internal predecessors, (360), 2 states have call successors, (109), 2 states have call predecessors, (109), 2 states have return successors, (108), 2 states have call predecessors, (108), 2 states have call successors, (108) [2022-07-14 00:18:13,325 INFO L276 IsEmpty]: Start isEmpty. Operand 20487 states and 29391 transitions. [2022-07-14 00:18:13,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 515 [2022-07-14 00:18:13,748 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 00:18:13,749 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 13, 13, 12, 10, 10, 6, 6, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 00:18:13,971 WARN L435 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Forcibly destroying the process [2022-07-14 00:18:14,033 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2022-07-14 00:18:14,033 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-14 00:18:14,033 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 00:18:14,034 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 00:18:14,034 INFO L85 PathProgramCache]: Analyzing trace with hash -42087101, now seen corresponding path program 1 times [2022-07-14 00:18:14,038 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 00:18:14,038 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1216904227] [2022-07-14 00:18:14,038 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 00:18:14,038 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 00:18:14,038 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 00:18:14,056 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) [2022-07-14 00:18:14,091 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2022-07-14 00:18:23,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:18:23,654 INFO L263 TraceCheckSpWp]: Trace formula consists of 5635 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-14 00:18:23,661 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 00:18:24,095 INFO L134 CoverageAnalysis]: Checked inductivity of 901 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 872 trivial. 0 not checked. [2022-07-14 00:18:24,095 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 00:18:24,096 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 00:18:24,096 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1216904227] [2022-07-14 00:18:24,096 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1216904227] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 00:18:24,096 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 00:18:24,096 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-14 00:18:24,096 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1082182835] [2022-07-14 00:18:24,096 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 00:18:24,097 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-14 00:18:24,097 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 00:18:24,097 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-14 00:18:24,098 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 00:18:24,098 INFO L87 Difference]: Start difference. First operand 20487 states and 29391 transitions. Second operand has 3 states, 3 states have (on average 87.0) internal successors, (261), 3 states have internal predecessors, (261), 2 states have call successors, (75), 2 states have call predecessors, (75), 2 states have return successors, (74), 2 states have call predecessors, (74), 2 states have call successors, (74) [2022-07-14 00:18:26,370 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 00:18:26,370 INFO L93 Difference]: Finished difference Result 60767 states and 87077 transitions. [2022-07-14 00:18:26,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-14 00:18:26,371 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 87.0) internal successors, (261), 3 states have internal predecessors, (261), 2 states have call successors, (75), 2 states have call predecessors, (75), 2 states have return successors, (74), 2 states have call predecessors, (74), 2 states have call successors, (74) Word has length 514 [2022-07-14 00:18:26,371 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 00:18:26,875 INFO L225 Difference]: With dead ends: 60767 [2022-07-14 00:18:26,875 INFO L226 Difference]: Without dead ends: 40319 [2022-07-14 00:18:26,985 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 513 GetRequests, 512 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 00:18:26,988 INFO L413 NwaCegarLoop]: 5205 mSDtfsCounter, 4047 mSDsluCounter, 4118 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4047 SdHoareTripleChecker+Valid, 9323 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-07-14 00:18:26,988 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4047 Valid, 9323 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-07-14 00:18:27,072 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40319 states. [2022-07-14 00:18:29,271 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40319 to 40303. [2022-07-14 00:18:29,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40303 states, 28228 states have (on average 1.3225520759529545) internal successors, (37333), 28880 states have internal predecessors, (37333), 9744 states have call successors, (9744), 2315 states have call predecessors, (9744), 2330 states have return successors, (10644), 9435 states have call predecessors, (10644), 9743 states have call successors, (10644) [2022-07-14 00:18:29,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40303 states to 40303 states and 57721 transitions. [2022-07-14 00:18:29,829 INFO L78 Accepts]: Start accepts. Automaton has 40303 states and 57721 transitions. Word has length 514 [2022-07-14 00:18:29,830 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 00:18:29,830 INFO L495 AbstractCegarLoop]: Abstraction has 40303 states and 57721 transitions. [2022-07-14 00:18:29,830 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 87.0) internal successors, (261), 3 states have internal predecessors, (261), 2 states have call successors, (75), 2 states have call predecessors, (75), 2 states have return successors, (74), 2 states have call predecessors, (74), 2 states have call successors, (74) [2022-07-14 00:18:29,830 INFO L276 IsEmpty]: Start isEmpty. Operand 40303 states and 57721 transitions. [2022-07-14 00:18:29,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 779 [2022-07-14 00:18:29,881 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 00:18:29,881 INFO L195 NwaCegarLoop]: trace histogram [30, 30, 21, 21, 18, 18, 12, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 00:18:30,065 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2022-07-14 00:18:30,111 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-14 00:18:30,113 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 00:18:30,114 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 00:18:30,114 INFO L85 PathProgramCache]: Analyzing trace with hash -6334035, now seen corresponding path program 1 times [2022-07-14 00:18:30,118 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 00:18:30,118 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1899386967] [2022-07-14 00:18:30,118 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 00:18:30,118 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 00:18:30,119 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 00:18:30,120 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) [2022-07-14 00:18:30,122 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2022-07-14 00:18:38,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:18:38,632 INFO L263 TraceCheckSpWp]: Trace formula consists of 6711 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-14 00:18:38,658 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 00:18:39,301 INFO L134 CoverageAnalysis]: Checked inductivity of 2715 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 2685 trivial. 0 not checked. [2022-07-14 00:18:39,315 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 00:18:39,315 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 00:18:39,316 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1899386967] [2022-07-14 00:18:39,316 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1899386967] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 00:18:39,316 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 00:18:39,316 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-14 00:18:39,316 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [402978334] [2022-07-14 00:18:39,316 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 00:18:39,317 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-14 00:18:39,317 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 00:18:39,317 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-14 00:18:39,318 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 00:18:39,318 INFO L87 Difference]: Start difference. First operand 40303 states and 57721 transitions. Second operand has 3 states, 3 states have (on average 107.0) internal successors, (321), 3 states have internal predecessors, (321), 2 states have call successors, (105), 2 states have call predecessors, (105), 2 states have return successors, (104), 2 states have call predecessors, (104), 2 states have call successors, (104) [2022-07-14 00:18:43,156 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 00:18:43,157 INFO L93 Difference]: Finished difference Result 119279 states and 170191 transitions. [2022-07-14 00:18:43,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-14 00:18:43,158 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 107.0) internal successors, (321), 3 states have internal predecessors, (321), 2 states have call successors, (105), 2 states have call predecessors, (105), 2 states have return successors, (104), 2 states have call predecessors, (104), 2 states have call successors, (104) Word has length 778 [2022-07-14 00:18:43,160 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 00:18:44,378 INFO L225 Difference]: With dead ends: 119279 [2022-07-14 00:18:44,379 INFO L226 Difference]: Without dead ends: 79015 [2022-07-14 00:18:44,505 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 777 GetRequests, 776 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 00:18:44,505 INFO L413 NwaCegarLoop]: 4973 mSDtfsCounter, 3981 mSDsluCounter, 4091 mSDsCounter, 0 mSdLazyCounter, 63 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3981 SdHoareTripleChecker+Valid, 9064 SdHoareTripleChecker+Invalid, 65 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 63 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-07-14 00:18:44,506 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3981 Valid, 9064 Invalid, 65 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 63 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-07-14 00:18:44,613 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79015 states. [2022-07-14 00:18:47,943 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79015 to 79007. [2022-07-14 00:18:48,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 79007 states, 55036 states have (on average 1.3132676793371612) internal successors, (72277), 56328 states have internal predecessors, (72277), 19312 states have call successors, (19312), 4627 states have call predecessors, (19312), 4658 states have return successors, (20916), 18707 states have call predecessors, (20916), 19311 states have call successors, (20916) [2022-07-14 00:18:49,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79007 states to 79007 states and 112505 transitions. [2022-07-14 00:18:49,607 INFO L78 Accepts]: Start accepts. Automaton has 79007 states and 112505 transitions. Word has length 778 [2022-07-14 00:18:49,608 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 00:18:49,608 INFO L495 AbstractCegarLoop]: Abstraction has 79007 states and 112505 transitions. [2022-07-14 00:18:49,608 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 107.0) internal successors, (321), 3 states have internal predecessors, (321), 2 states have call successors, (105), 2 states have call predecessors, (105), 2 states have return successors, (104), 2 states have call predecessors, (104), 2 states have call successors, (104) [2022-07-14 00:18:49,608 INFO L276 IsEmpty]: Start isEmpty. Operand 79007 states and 112505 transitions. [2022-07-14 00:18:49,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 920 [2022-07-14 00:18:49,803 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 00:18:49,804 INFO L195 NwaCegarLoop]: trace histogram [28, 28, 25, 25, 17, 17, 12, 6, 6, 6, 6, 6, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 00:18:50,023 WARN L435 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (11)] Forcibly destroying the process [2022-07-14 00:18:50,112 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2022-07-14 00:18:50,113 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-14 00:18:50,113 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 00:18:50,113 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 00:18:50,114 INFO L85 PathProgramCache]: Analyzing trace with hash -1112569729, now seen corresponding path program 1 times [2022-07-14 00:18:50,120 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 00:18:50,120 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [717271068] [2022-07-14 00:18:50,120 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 00:18:50,120 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 00:18:50,120 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 00:18:50,125 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-14 00:18:50,205 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2022-07-14 00:18:58,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:18:58,509 INFO L263 TraceCheckSpWp]: Trace formula consists of 7889 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-14 00:18:58,535 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 00:18:58,805 INFO L134 CoverageAnalysis]: Checked inductivity of 2762 backedges. 103 proven. 0 refuted. 0 times theorem prover too weak. 2659 trivial. 0 not checked. [2022-07-14 00:18:58,806 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 00:18:58,806 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 00:18:58,806 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [717271068] [2022-07-14 00:18:58,806 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [717271068] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 00:18:58,806 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 00:18:58,806 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-14 00:18:58,807 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1610074202] [2022-07-14 00:18:58,807 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 00:18:58,808 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-14 00:18:58,819 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 00:18:58,820 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-14 00:18:58,820 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 00:18:58,821 INFO L87 Difference]: Start difference. First operand 79007 states and 112505 transitions. Second operand has 3 states, 3 states have (on average 147.0) internal successors, (441), 3 states have internal predecessors, (441), 2 states have call successors, (136), 2 states have call predecessors, (136), 2 states have return successors, (135), 2 states have call predecessors, (135), 2 states have call successors, (135) [2022-07-14 00:19:03,647 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 00:19:03,648 INFO L93 Difference]: Finished difference Result 223435 states and 317065 transitions. [2022-07-14 00:19:03,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-14 00:19:03,649 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 147.0) internal successors, (441), 3 states have internal predecessors, (441), 2 states have call successors, (136), 2 states have call predecessors, (136), 2 states have return successors, (135), 2 states have call predecessors, (135), 2 states have call successors, (135) Word has length 919 [2022-07-14 00:19:03,650 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 00:19:05,121 INFO L225 Difference]: With dead ends: 223435 [2022-07-14 00:19:05,122 INFO L226 Difference]: Without dead ends: 144467 [2022-07-14 00:19:05,460 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 918 GetRequests, 917 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 00:19:05,461 INFO L413 NwaCegarLoop]: 6024 mSDtfsCounter, 3580 mSDsluCounter, 4139 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3580 SdHoareTripleChecker+Valid, 10163 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-07-14 00:19:05,461 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3580 Valid, 10163 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-07-14 00:19:05,580 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 144467 states. [2022-07-14 00:19:11,226 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 144467 to 144395. [2022-07-14 00:19:11,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 144395 states, 100092 states have (on average 1.3090456779762618) internal successors, (131025), 102504 states have internal predecessors, (131025), 35372 states have call successors, (35372), 8847 states have call predecessors, (35372), 8930 states have return successors, (38110), 34275 states have call predecessors, (38110), 35371 states have call successors, (38110) [2022-07-14 00:19:13,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144395 states to 144395 states and 204507 transitions. [2022-07-14 00:19:13,207 INFO L78 Accepts]: Start accepts. Automaton has 144395 states and 204507 transitions. Word has length 919 [2022-07-14 00:19:13,208 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 00:19:13,208 INFO L495 AbstractCegarLoop]: Abstraction has 144395 states and 204507 transitions. [2022-07-14 00:19:13,208 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 147.0) internal successors, (441), 3 states have internal predecessors, (441), 2 states have call successors, (136), 2 states have call predecessors, (136), 2 states have return successors, (135), 2 states have call predecessors, (135), 2 states have call successors, (135) [2022-07-14 00:19:13,209 INFO L276 IsEmpty]: Start isEmpty. Operand 144395 states and 204507 transitions. [2022-07-14 00:19:13,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 917 [2022-07-14 00:19:13,433 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 00:19:13,433 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 21, 21, 20, 20, 20, 12, 10, 10, 6, 6, 6, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 00:19:13,660 WARN L435 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (12)] Forcibly destroying the process [2022-07-14 00:19:13,675 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (12)] Forceful destruction successful, exit code 0 [2022-07-14 00:19:13,676 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-14 00:19:13,676 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 00:19:13,676 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 00:19:13,676 INFO L85 PathProgramCache]: Analyzing trace with hash 486532406, now seen corresponding path program 1 times [2022-07-14 00:19:13,681 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 00:19:13,681 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [19130843] [2022-07-14 00:19:13,682 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 00:19:13,682 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 00:19:13,682 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 00:19:13,684 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-14 00:19:13,707 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2022-07-14 00:19:20,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:19:20,904 INFO L263 TraceCheckSpWp]: Trace formula consists of 7085 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-14 00:19:20,945 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 00:19:21,035 INFO L134 CoverageAnalysis]: Checked inductivity of 2639 backedges. 180 proven. 0 refuted. 0 times theorem prover too weak. 2459 trivial. 0 not checked. [2022-07-14 00:19:21,036 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 00:19:21,036 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 00:19:21,036 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [19130843] [2022-07-14 00:19:21,036 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [19130843] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 00:19:21,036 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 00:19:21,037 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-14 00:19:21,037 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [126005152] [2022-07-14 00:19:21,037 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 00:19:21,038 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-14 00:19:21,051 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 00:19:21,052 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-14 00:19:21,052 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 00:19:21,052 INFO L87 Difference]: Start difference. First operand 144395 states and 204507 transitions. Second operand has 3 states, 3 states have (on average 134.0) internal successors, (402), 3 states have internal predecessors, (402), 2 states have call successors, (123), 2 states have call predecessors, (123), 2 states have return successors, (122), 2 states have call predecessors, (122), 2 states have call successors, (122) [2022-07-14 00:19:25,891 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 00:19:25,891 INFO L93 Difference]: Finished difference Result 288783 states and 409020 transitions. [2022-07-14 00:19:25,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-14 00:19:25,893 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 134.0) internal successors, (402), 3 states have internal predecessors, (402), 2 states have call successors, (123), 2 states have call predecessors, (123), 2 states have return successors, (122), 2 states have call predecessors, (122), 2 states have call successors, (122) Word has length 916 [2022-07-14 00:19:25,893 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 00:19:26,859 INFO L225 Difference]: With dead ends: 288783 [2022-07-14 00:19:26,860 INFO L226 Difference]: Without dead ends: 144427 [2022-07-14 00:19:27,730 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 915 GetRequests, 914 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 00:19:27,732 INFO L413 NwaCegarLoop]: 4179 mSDtfsCounter, 0 mSDsluCounter, 4174 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 8353 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-14 00:19:27,732 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 8353 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-14 00:19:27,844 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 144427 states. [2022-07-14 00:19:31,952 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 144427 to 144427. [2022-07-14 00:19:32,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 144427 states, 100124 states have (on average 1.3089469058367624) internal successors, (131057), 102536 states have internal predecessors, (131057), 35372 states have call successors, (35372), 8847 states have call predecessors, (35372), 8930 states have return successors, (38110), 34275 states have call predecessors, (38110), 35371 states have call successors, (38110) [2022-07-14 00:19:32,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144427 states to 144427 states and 204539 transitions. [2022-07-14 00:19:32,848 INFO L78 Accepts]: Start accepts. Automaton has 144427 states and 204539 transitions. Word has length 916 [2022-07-14 00:19:32,849 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 00:19:32,849 INFO L495 AbstractCegarLoop]: Abstraction has 144427 states and 204539 transitions. [2022-07-14 00:19:32,850 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 134.0) internal successors, (402), 3 states have internal predecessors, (402), 2 states have call successors, (123), 2 states have call predecessors, (123), 2 states have return successors, (122), 2 states have call predecessors, (122), 2 states have call successors, (122) [2022-07-14 00:19:32,850 INFO L276 IsEmpty]: Start isEmpty. Operand 144427 states and 204539 transitions. [2022-07-14 00:19:33,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 852 [2022-07-14 00:19:33,030 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 00:19:33,031 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 21, 21, 21, 21, 20, 12, 11, 11, 6, 6, 6, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]