./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--ti--tlan.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 791161d1 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--ti--tlan.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 aa052019b2e545fedc58252b88c286bfb7f233e130d9e12072cdb5cf6783cf5f --- Real Ultimate output --- This is Ultimate 0.2.2-?-791161d [2022-07-23 01:35:14,572 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-23 01:35:14,581 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-23 01:35:14,632 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-23 01:35:14,633 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-23 01:35:14,635 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-23 01:35:14,637 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-23 01:35:14,639 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-23 01:35:14,641 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-23 01:35:14,646 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-23 01:35:14,647 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-23 01:35:14,649 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-23 01:35:14,649 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-23 01:35:14,651 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-23 01:35:14,652 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-23 01:35:14,656 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-23 01:35:14,656 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-23 01:35:14,658 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-23 01:35:14,659 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-23 01:35:14,663 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-23 01:35:14,665 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-23 01:35:14,666 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-23 01:35:14,667 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-23 01:35:14,668 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-23 01:35:14,669 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-23 01:35:14,674 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-23 01:35:14,674 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-23 01:35:14,675 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-23 01:35:14,676 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-23 01:35:14,676 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-23 01:35:14,677 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-23 01:35:14,678 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-23 01:35:14,679 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-23 01:35:14,680 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-23 01:35:14,680 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-23 01:35:14,681 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-23 01:35:14,681 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-23 01:35:14,682 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-23 01:35:14,682 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-23 01:35:14,682 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-23 01:35:14,683 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-23 01:35:14,684 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-23 01:35:14,686 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-23 01:35:14,721 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-23 01:35:14,722 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-23 01:35:14,722 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-23 01:35:14,722 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-23 01:35:14,723 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-23 01:35:14,723 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-23 01:35:14,724 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-23 01:35:14,724 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-23 01:35:14,724 INFO L138 SettingsManager]: * Use SBE=true [2022-07-23 01:35:14,725 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-23 01:35:14,725 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-23 01:35:14,725 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-23 01:35:14,726 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-23 01:35:14,726 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-23 01:35:14,726 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-23 01:35:14,726 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-23 01:35:14,726 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-23 01:35:14,727 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-23 01:35:14,727 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-23 01:35:14,727 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-23 01:35:14,727 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-23 01:35:14,727 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-23 01:35:14,728 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-23 01:35:14,728 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-23 01:35:14,728 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-23 01:35:14,728 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-23 01:35:14,728 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-23 01:35:14,729 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-23 01:35:14,729 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-23 01:35:14,729 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-23 01:35:14,729 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> aa052019b2e545fedc58252b88c286bfb7f233e130d9e12072cdb5cf6783cf5f [2022-07-23 01:35:14,953 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-23 01:35:14,980 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-23 01:35:14,982 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-23 01:35:14,983 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-23 01:35:14,984 INFO L275 PluginConnector]: CDTParser initialized [2022-07-23 01:35:14,985 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--ti--tlan.ko-entry_point.cil.out.i [2022-07-23 01:35:15,037 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8e2de2827/cd1c4647e4ee49eeba335258d2cf23d8/FLAGf9c209dc1 [2022-07-23 01:35:15,863 INFO L306 CDTParser]: Found 1 translation units. [2022-07-23 01:35:15,864 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--ti--tlan.ko-entry_point.cil.out.i [2022-07-23 01:35:15,916 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8e2de2827/cd1c4647e4ee49eeba335258d2cf23d8/FLAGf9c209dc1 [2022-07-23 01:35:16,007 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8e2de2827/cd1c4647e4ee49eeba335258d2cf23d8 [2022-07-23 01:35:16,009 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-23 01:35:16,010 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-23 01:35:16,012 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-23 01:35:16,012 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-23 01:35:16,018 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-23 01:35:16,018 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 01:35:16" (1/1) ... [2022-07-23 01:35:16,019 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3fcd9cbd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 01:35:16, skipping insertion in model container [2022-07-23 01:35:16,019 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 01:35:16" (1/1) ... [2022-07-23 01:35:16,025 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-23 01:35:16,145 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-23 01:35:17,826 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--ti--tlan.ko-entry_point.cil.out.i[304655,304668] [2022-07-23 01:35:17,900 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-23 01:35:17,945 INFO L203 MainTranslator]: Completed pre-run [2022-07-23 01:35:18,214 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: tlphy_ctl = (unsigned int )tlphy_ctl & 49151U [7863] at de.uni_freiburg.informatik.ultimate.boogie.TypeErrorReporter.report(TypeErrorReporter.java:52) at de.uni_freiburg.informatik.ultimate.boogie.typechecker.TypeCheckHelper.typeCheckBinaryExpression(TypeCheckHelper.java:207) at de.uni_freiburg.informatik.ultimate.boogie.ExpressionFactory.constructBinaryExpression(ExpressionFactory.java:597) at de.uni_freiburg.informatik.ultimate.boogie.ExpressionFactory.newBinaryExpression(ExpressionFactory.java:132) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.BitabsTranslation.abstractAssign(BitabsTranslation.java:483) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.abstractAssginWithBitwiseOp(IntegerTranslation.java:973) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:737) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:372) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1397) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:326) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1081) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:334) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1627) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:332) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1650) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:332) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1081) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:334) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1627) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:332) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1081) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:334) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1650) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:332) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1081) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:334) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1081) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:334) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionDefinition(FunctionHandler.java:371) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1470) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:289) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.processTUchild(CHandler.java:3276) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2361) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:601) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:270) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.performMainRun(MainTranslator.java:244) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.translate(MainTranslator.java:206) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:115) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:93) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-07-23 01:35:18,223 INFO L158 Benchmark]: Toolchain (without parser) took 2211.90ms. Allocated memory was 111.1MB in the beginning and 245.4MB in the end (delta: 134.2MB). Free memory was 68.3MB in the beginning and 182.1MB in the end (delta: -113.9MB). Peak memory consumption was 67.7MB. Max. memory is 16.1GB. [2022-07-23 01:35:18,224 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 111.1MB. Free memory is still 64.9MB. There was no memory consumed. Max. memory is 16.1GB. [2022-07-23 01:35:18,226 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2209.21ms. Allocated memory was 111.1MB in the beginning and 245.4MB in the end (delta: 134.2MB). Free memory was 68.3MB in the beginning and 182.1MB in the end (delta: -113.9MB). Peak memory consumption was 67.7MB. Max. memory is 16.1GB. [2022-07-23 01:35:18,228 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 111.1MB. Free memory is still 64.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2209.21ms. Allocated memory was 111.1MB in the beginning and 245.4MB in the end (delta: 134.2MB). Free memory was 68.3MB in the beginning and 182.1MB in the end (delta: -113.9MB). Peak memory consumption was 67.7MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: TypeCheckException: Type check failed for C: tlphy_ctl = (unsigned int )tlphy_ctl & 49151U [7863] de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: TypeCheckException: Type check failed for C: tlphy_ctl = (unsigned int )tlphy_ctl & 49151U [7863]: de.uni_freiburg.informatik.ultimate.boogie.TypeErrorReporter.report(TypeErrorReporter.java:52) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--ti--tlan.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 aa052019b2e545fedc58252b88c286bfb7f233e130d9e12072cdb5cf6783cf5f --- Real Ultimate output --- This is Ultimate 0.2.2-?-791161d [2022-07-23 01:35:19,975 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-23 01:35:19,977 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-23 01:35:20,010 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-23 01:35:20,013 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-23 01:35:20,014 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-23 01:35:20,020 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-23 01:35:20,023 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-23 01:35:20,030 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-23 01:35:20,035 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-23 01:35:20,037 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-23 01:35:20,039 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-23 01:35:20,039 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-23 01:35:20,041 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-23 01:35:20,043 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-23 01:35:20,045 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-23 01:35:20,048 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-23 01:35:20,049 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-23 01:35:20,051 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-23 01:35:20,054 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-23 01:35:20,057 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-23 01:35:20,058 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-23 01:35:20,058 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-23 01:35:20,059 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-23 01:35:20,061 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-23 01:35:20,063 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-23 01:35:20,065 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-23 01:35:20,065 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-23 01:35:20,066 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-23 01:35:20,066 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-23 01:35:20,067 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-23 01:35:20,067 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-23 01:35:20,068 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-23 01:35:20,069 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-23 01:35:20,070 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-23 01:35:20,071 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-23 01:35:20,071 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-23 01:35:20,072 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-23 01:35:20,072 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-23 01:35:20,072 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-23 01:35:20,073 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-23 01:35:20,074 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-23 01:35:20,078 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-07-23 01:35:20,107 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-23 01:35:20,107 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-23 01:35:20,108 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-23 01:35:20,108 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-23 01:35:20,108 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-23 01:35:20,109 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-23 01:35:20,109 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-23 01:35:20,109 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-23 01:35:20,110 INFO L138 SettingsManager]: * Use SBE=true [2022-07-23 01:35:20,110 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-23 01:35:20,111 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-23 01:35:20,111 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-23 01:35:20,111 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-23 01:35:20,111 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-23 01:35:20,111 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-07-23 01:35:20,112 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-07-23 01:35:20,112 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-07-23 01:35:20,112 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-23 01:35:20,112 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-23 01:35:20,112 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-23 01:35:20,113 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-23 01:35:20,113 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-23 01:35:20,113 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-23 01:35:20,113 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-23 01:35:20,114 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-23 01:35:20,114 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-23 01:35:20,114 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-23 01:35:20,114 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-07-23 01:35:20,114 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-07-23 01:35:20,114 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-23 01:35:20,115 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-23 01:35:20,115 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-23 01:35:20,115 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-07-23 01:35:20,115 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> aa052019b2e545fedc58252b88c286bfb7f233e130d9e12072cdb5cf6783cf5f [2022-07-23 01:35:20,410 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-23 01:35:20,432 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-23 01:35:20,435 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-23 01:35:20,436 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-23 01:35:20,436 INFO L275 PluginConnector]: CDTParser initialized [2022-07-23 01:35:20,438 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--ti--tlan.ko-entry_point.cil.out.i [2022-07-23 01:35:20,498 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/23212995f/609c029bd11942eba79a00bcc923522d/FLAG51dd098b9 [2022-07-23 01:35:21,245 INFO L306 CDTParser]: Found 1 translation units. [2022-07-23 01:35:21,246 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--ti--tlan.ko-entry_point.cil.out.i [2022-07-23 01:35:21,298 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/23212995f/609c029bd11942eba79a00bcc923522d/FLAG51dd098b9 [2022-07-23 01:35:21,341 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/23212995f/609c029bd11942eba79a00bcc923522d [2022-07-23 01:35:21,359 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-23 01:35:21,360 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-23 01:35:21,370 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-23 01:35:21,370 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-23 01:35:21,373 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-23 01:35:21,374 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 01:35:21" (1/1) ... [2022-07-23 01:35:21,375 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3898c572 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 01:35:21, skipping insertion in model container [2022-07-23 01:35:21,375 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 01:35:21" (1/1) ... [2022-07-23 01:35:21,381 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-23 01:35:21,523 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-23 01:35:23,436 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--ti--tlan.ko-entry_point.cil.out.i[304655,304668] [2022-07-23 01:35:23,499 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-23 01:35:23,567 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-07-23 01:35:23,649 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-23 01:35:23,917 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--ti--tlan.ko-entry_point.cil.out.i[304655,304668] [2022-07-23 01:35:23,924 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-23 01:35:23,953 INFO L203 MainTranslator]: Completed pre-run [2022-07-23 01:35:24,216 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--ti--tlan.ko-entry_point.cil.out.i[304655,304668] [2022-07-23 01:35:24,222 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-23 01:35:24,459 INFO L208 MainTranslator]: Completed translation [2022-07-23 01:35:24,462 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 01:35:24 WrapperNode [2022-07-23 01:35:24,462 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-23 01:35:24,463 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-23 01:35:24,463 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-23 01:35:24,463 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-23 01:35:24,469 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 01:35:24" (1/1) ... [2022-07-23 01:35:24,618 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 01:35:24" (1/1) ... [2022-07-23 01:35:24,782 INFO L137 Inliner]: procedures = 308, calls = 2066, calls flagged for inlining = 144, calls inlined = 138, statements flattened = 4624 [2022-07-23 01:35:24,783 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-23 01:35:24,784 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-23 01:35:24,784 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-23 01:35:24,784 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-23 01:35:24,791 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 01:35:24" (1/1) ... [2022-07-23 01:35:24,792 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 01:35:24" (1/1) ... [2022-07-23 01:35:24,835 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 01:35:24" (1/1) ... [2022-07-23 01:35:24,844 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 01:35:24" (1/1) ... [2022-07-23 01:35:24,968 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 01:35:24" (1/1) ... [2022-07-23 01:35:24,993 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 01:35:24" (1/1) ... [2022-07-23 01:35:25,022 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 01:35:24" (1/1) ... [2022-07-23 01:35:25,121 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-23 01:35:25,127 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-23 01:35:25,128 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-23 01:35:25,128 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-23 01:35:25,129 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 01:35:24" (1/1) ... [2022-07-23 01:35:25,134 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-23 01:35:25,167 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 01:35:25,178 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-07-23 01:35:25,179 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-07-23 01:35:25,219 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-07-23 01:35:25,220 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_resume [2022-07-23 01:35:25,220 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_resume [2022-07-23 01:35:25,220 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_shutdown_7 [2022-07-23 01:35:25,220 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_shutdown_7 [2022-07-23 01:35:25,220 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-07-23 01:35:25,221 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unregister_driver [2022-07-23 01:35:25,221 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unregister_driver [2022-07-23 01:35:25,221 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-07-23 01:35:25,221 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-07-23 01:35:25,221 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-07-23 01:35:25,221 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-07-23 01:35:25,222 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-23 01:35:25,222 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-23 01:35:25,222 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-07-23 01:35:25,222 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-07-23 01:35:25,222 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-07-23 01:35:25,222 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-07-23 01:35:25,222 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_mii_write_reg [2022-07-23 01:35:25,223 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_mii_write_reg [2022-07-23 01:35:25,223 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-07-23 01:35:25,223 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-07-23 01:35:25,223 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2022-07-23 01:35:25,223 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2022-07-23 01:35:25,223 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_ee_read_byte [2022-07-23 01:35:25,223 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_ee_read_byte [2022-07-23 01:35:25,224 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-23 01:35:25,224 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-23 01:35:25,224 INFO L130 BoogieDeclarations]: Found specification of procedure slow_down_io [2022-07-23 01:35:25,224 INFO L138 BoogieDeclarations]: Found implementation of procedure slow_down_io [2022-07-23 01:35:25,224 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_handle_interrupt [2022-07-23 01:35:25,224 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_handle_interrupt [2022-07-23 01:35:25,225 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_start [2022-07-23 01:35:25,225 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_start [2022-07-23 01:35:25,225 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_dio_read8 [2022-07-23 01:35:25,225 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_dio_read8 [2022-07-23 01:35:25,225 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-07-23 01:35:25,226 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-07-23 01:35:25,226 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2022-07-23 01:35:25,226 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2022-07-23 01:35:25,226 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2022-07-23 01:35:25,226 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2022-07-23 01:35:25,226 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_2 [2022-07-23 01:35:25,227 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_2 [2022-07-23 01:35:25,227 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-07-23 01:35:25,227 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-07-23 01:35:25,227 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2022-07-23 01:35:25,227 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2022-07-23 01:35:25,228 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-23 01:35:25,228 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-23 01:35:25,229 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_read_and_clear_stats [2022-07-23 01:35:25,229 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_read_and_clear_stats [2022-07-23 01:35:25,230 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_ioctl [2022-07-23 01:35:25,230 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_ioctl [2022-07-23 01:35:25,230 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-07-23 01:35:25,230 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-07-23 01:35:25,230 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-07-23 01:35:25,231 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-07-23 01:35:25,231 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb_ip_align [2022-07-23 01:35:25,231 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb_ip_align [2022-07-23 01:35:25,231 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_mii_sync [2022-07-23 01:35:25,231 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_mii_sync [2022-07-23 01:35:25,231 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-23 01:35:25,232 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_set_multicast_list [2022-07-23 01:35:25,232 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_set_multicast_list [2022-07-23 01:35:25,232 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-07-23 01:35:25,232 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-07-23 01:35:25,232 INFO L130 BoogieDeclarations]: Found specification of procedure eth_mac_addr [2022-07-23 01:35:25,233 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_mac_addr [2022-07-23 01:35:25,233 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-23 01:35:25,233 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-07-23 01:35:25,233 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-07-23 01:35:25,233 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2022-07-23 01:35:25,234 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2022-07-23 01:35:25,234 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-07-23 01:35:25,234 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-07-23 01:35:25,234 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_get_stats [2022-07-23 01:35:25,234 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_get_stats [2022-07-23 01:35:25,234 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-07-23 01:35:25,234 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-07-23 01:35:25,235 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2022-07-23 01:35:25,235 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2022-07-23 01:35:25,235 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-07-23 01:35:25,235 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-07-23 01:35:25,236 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2022-07-23 01:35:25,236 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2022-07-23 01:35:25,236 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2022-07-23 01:35:25,236 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-07-23 01:35:25,236 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-07-23 01:35:25,237 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-23 01:35:25,237 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-07-23 01:35:25,237 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-23 01:35:25,238 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2022-07-23 01:35:25,238 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-07-23 01:35:25,238 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-07-23 01:35:25,239 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2022-07-23 01:35:25,239 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_print_list [2022-07-23 01:35:25,239 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_print_list [2022-07-23 01:35:25,239 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2022-07-23 01:35:25,239 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2022-07-23 01:35:25,239 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_dio_write16 [2022-07-23 01:35:25,239 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_dio_write16 [2022-07-23 01:35:25,239 INFO L130 BoogieDeclarations]: Found specification of procedure outw [2022-07-23 01:35:25,240 INFO L138 BoogieDeclarations]: Found implementation of procedure outw [2022-07-23 01:35:25,240 INFO L130 BoogieDeclarations]: Found specification of procedure eth_change_mtu [2022-07-23 01:35:25,240 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_change_mtu [2022-07-23 01:35:25,240 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-07-23 01:35:25,240 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-07-23 01:35:25,241 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2022-07-23 01:35:25,241 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2022-07-23 01:35:25,241 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-07-23 01:35:25,242 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-07-23 01:35:25,244 INFO L130 BoogieDeclarations]: Found specification of procedure outl [2022-07-23 01:35:25,244 INFO L138 BoogieDeclarations]: Found implementation of procedure outl [2022-07-23 01:35:25,244 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_reset_lists [2022-07-23 01:35:25,244 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_reset_lists [2022-07-23 01:35:25,245 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_finish_reset [2022-07-23 01:35:25,246 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_finish_reset [2022-07-23 01:35:25,246 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-07-23 01:35:25,247 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-07-23 01:35:25,247 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_phy_print [2022-07-23 01:35:25,252 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_phy_print [2022-07-23 01:35:25,252 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_dio_write32 [2022-07-23 01:35:25,252 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_dio_write32 [2022-07-23 01:35:25,252 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_probe1 [2022-07-23 01:35:25,252 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_probe1 [2022-07-23 01:35:25,253 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-07-23 01:35:25,253 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-07-23 01:35:25,253 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_tx_timeout_work [2022-07-23 01:35:25,253 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_tx_timeout_work [2022-07-23 01:35:25,253 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-07-23 01:35:25,253 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-07-23 01:35:25,253 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2022-07-23 01:35:25,254 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2022-07-23 01:35:25,254 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-07-23 01:35:25,254 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-07-23 01:35:25,254 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-07-23 01:35:25,254 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-07-23 01:35:25,254 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_set_timer [2022-07-23 01:35:25,254 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_set_timer [2022-07-23 01:35:25,254 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_stop [2022-07-23 01:35:25,255 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_stop [2022-07-23 01:35:25,255 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_set_mac [2022-07-23 01:35:25,255 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_set_mac [2022-07-23 01:35:25,255 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2022-07-23 01:35:25,255 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2022-07-23 01:35:25,255 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_ee_send_start [2022-07-23 01:35:25,255 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_ee_send_start [2022-07-23 01:35:25,255 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_dio_read32 [2022-07-23 01:35:25,256 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_dio_read32 [2022-07-23 01:35:25,256 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2022-07-23 01:35:25,256 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2022-07-23 01:35:25,256 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-07-23 01:35:25,256 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-07-23 01:35:25,256 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_remove_one [2022-07-23 01:35:25,256 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_remove_one [2022-07-23 01:35:25,256 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_get_skb [2022-07-23 01:35:25,257 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_get_skb [2022-07-23 01:35:25,257 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_dio_write8 [2022-07-23 01:35:25,257 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_dio_write8 [2022-07-23 01:35:25,257 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-23 01:35:25,257 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-23 01:35:25,257 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_phy_power_down [2022-07-23 01:35:25,257 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_phy_power_down [2022-07-23 01:35:25,257 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_ee_send_byte [2022-07-23 01:35:25,258 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_ee_send_byte [2022-07-23 01:35:25,258 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2022-07-23 01:35:25,258 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2022-07-23 01:35:25,258 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-23 01:35:25,258 INFO L130 BoogieDeclarations]: Found specification of procedure inb_p [2022-07-23 01:35:25,258 INFO L138 BoogieDeclarations]: Found implementation of procedure inb_p [2022-07-23 01:35:25,258 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2022-07-23 01:35:25,258 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2022-07-23 01:35:25,259 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_3 [2022-07-23 01:35:25,259 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_3 [2022-07-23 01:35:25,259 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_poll [2022-07-23 01:35:25,259 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_poll [2022-07-23 01:35:25,259 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2022-07-23 01:35:25,259 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2022-07-23 01:35:25,259 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-23 01:35:25,259 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_reset_adapter [2022-07-23 01:35:25,260 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_reset_adapter [2022-07-23 01:35:25,260 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2022-07-23 01:35:25,260 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2022-07-23 01:35:25,260 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-07-23 01:35:25,262 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-07-23 01:35:25,262 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-23 01:35:25,262 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-07-23 01:35:25,262 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2022-07-23 01:35:25,262 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2022-07-23 01:35:25,262 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_mii_send_data [2022-07-23 01:35:25,262 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_mii_send_data [2022-07-23 01:35:25,262 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_3 [2022-07-23 01:35:25,263 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_3 [2022-07-23 01:35:25,263 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_mii_read_reg [2022-07-23 01:35:25,263 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_mii_read_reg [2022-07-23 01:35:25,263 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_free_lists [2022-07-23 01:35:25,263 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_free_lists [2022-07-23 01:35:25,263 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_resume_early_7 [2022-07-23 01:35:25,263 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_resume_early_7 [2022-07-23 01:35:25,263 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2022-07-23 01:35:25,264 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2022-07-23 01:35:25,264 INFO L130 BoogieDeclarations]: Found specification of procedure outb_p [2022-07-23 01:35:25,264 INFO L138 BoogieDeclarations]: Found implementation of procedure outb_p [2022-07-23 01:35:25,264 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2022-07-23 01:35:25,264 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2022-07-23 01:35:25,264 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~C_ULONG~TO~VOID [2022-07-23 01:35:25,264 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~C_ULONG~TO~VOID [2022-07-23 01:35:25,264 INFO L130 BoogieDeclarations]: Found specification of procedure inl [2022-07-23 01:35:25,265 INFO L138 BoogieDeclarations]: Found implementation of procedure inl [2022-07-23 01:35:25,265 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_store_skb [2022-07-23 01:35:25,265 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_store_skb [2022-07-23 01:35:25,265 INFO L130 BoogieDeclarations]: Found specification of procedure __request_region [2022-07-23 01:35:25,265 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_tx_timeout [2022-07-23 01:35:25,265 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_tx_timeout [2022-07-23 01:35:25,265 INFO L130 BoogieDeclarations]: Found specification of procedure inw [2022-07-23 01:35:25,265 INFO L138 BoogieDeclarations]: Found implementation of procedure inw [2022-07-23 01:35:25,266 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2022-07-23 01:35:25,266 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2022-07-23 01:35:25,266 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-23 01:35:25,266 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-23 01:35:25,266 INFO L130 BoogieDeclarations]: Found specification of procedure preempt_count [2022-07-23 01:35:25,266 INFO L138 BoogieDeclarations]: Found implementation of procedure preempt_count [2022-07-23 01:35:26,038 INFO L234 CfgBuilder]: Building ICFG [2022-07-23 01:35:26,041 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-23 01:35:34,314 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-23 01:36:02,306 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L7041-1: tlan_eisa_probe_~tmp___2~2#1 := tlan_eisa_probe_#t~ret320#1;havoc tlan_eisa_probe_#t~ret320#1; [2022-07-23 01:36:02,306 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L7041: SUMMARY for call tlan_eisa_probe_#t~ret320#1 := inw(~bvadd32(3200bv32, tlan_eisa_probe_~ioaddr~0#1[32:0])); srcloc: null [2022-07-23 01:36:02,306 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L7042: assume 4366bv32 != ~zero_extendFrom16To32(tlan_eisa_probe_~tmp___2~2#1); [2022-07-23 01:36:02,307 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L7042: assume !(4366bv32 != ~zero_extendFrom16To32(tlan_eisa_probe_~tmp___2~2#1)); [2022-07-23 01:36:02,307 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L7043: SUMMARY for call __release_region(~#ioport_resource~0.base, ~#ioport_resource~0.offset, tlan_eisa_probe_~ioaddr~0#1, 16bv64); srcloc: null [2022-07-23 01:36:02,307 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L7047-1: tlan_eisa_probe_~device_id~1#1 := tlan_eisa_probe_#t~ret321#1;havoc tlan_eisa_probe_#t~ret321#1; [2022-07-23 01:36:02,307 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L7047: SUMMARY for call tlan_eisa_probe_#t~ret321#1 := inw(~bvadd32(3202bv32, tlan_eisa_probe_~ioaddr~0#1[32:0])); srcloc: null [2022-07-23 01:36:02,307 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L7048: assume 8433bv32 != ~zero_extendFrom16To32(tlan_eisa_probe_~device_id~1#1) && 16625bv32 != ~zero_extendFrom16To32(tlan_eisa_probe_~device_id~1#1); [2022-07-23 01:36:02,307 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L7048: assume !(8433bv32 != ~zero_extendFrom16To32(tlan_eisa_probe_~device_id~1#1) && 16625bv32 != ~zero_extendFrom16To32(tlan_eisa_probe_~device_id~1#1)); [2022-07-23 01:36:02,307 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L7049: SUMMARY for call __release_region(~#ioport_resource~0.base, ~#ioport_resource~0.offset, tlan_eisa_probe_~ioaddr~0#1, 16bv64); srcloc: null [2022-07-23 01:36:02,307 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L7053-1: tlan_eisa_probe_~tmp___3~1#1 := tlan_eisa_probe_#t~ret322#1;havoc tlan_eisa_probe_#t~ret322#1; [2022-07-23 01:36:02,307 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L7053: SUMMARY for call tlan_eisa_probe_#t~ret322#1 := inb(~bvadd32(3204bv32, tlan_eisa_probe_~ioaddr~0#1[32:0])); srcloc: null [2022-07-23 01:36:02,307 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L7054: assume 1bv32 != ~zero_extendFrom8To32(tlan_eisa_probe_~tmp___3~1#1); [2022-07-23 01:36:02,308 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L7054: assume !(1bv32 != ~zero_extendFrom8To32(tlan_eisa_probe_~tmp___3~1#1)); [2022-07-23 01:36:02,308 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L7055-1: assume 16bv32 == ~debug~0;havoc tlan_eisa_probe_#t~nondet328#1; [2022-07-23 01:36:02,308 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L7055-1: assume !(16bv32 == ~debug~0); [2022-07-23 01:36:02,308 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L7055: SUMMARY for call __release_region(~#ioport_resource~0.base, ~#ioport_resource~0.offset, tlan_eisa_probe_~ioaddr~0#1, 16bv64); srcloc: null [2022-07-23 01:36:02,308 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L7059: assume 16bv32 == ~debug~0;havoc tlan_eisa_probe_#t~nondet323#1; [2022-07-23 01:36:02,308 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L7059: assume !(16bv32 == ~debug~0); [2022-07-23 01:36:02,308 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L7059-2: SUMMARY for call tlan_eisa_probe_#t~ret324#1 := inb(~bvadd32(3264bv32, tlan_eisa_probe_~ioaddr~0#1[32:0])); srcloc: null [2022-07-23 01:36:02,308 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L7063: tlan_eisa_probe_~tmp___4~0#1 := tlan_eisa_probe_#t~ret324#1;havoc tlan_eisa_probe_#t~ret324#1;tlan_eisa_probe_#t~switch325#1 := 16bv32 == ~zero_extendFrom8To32(tlan_eisa_probe_~tmp___4~0#1); [2022-07-23 01:36:02,308 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L7064: havoc tlan_eisa_probe_#t~switch325#1; [2022-07-23 01:36:02,308 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L7065: assume tlan_eisa_probe_#t~switch325#1;tlan_eisa_probe_~irq~0#1 := 5bv32; [2022-07-23 01:36:02,309 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L7065: assume !tlan_eisa_probe_#t~switch325#1;tlan_eisa_probe_#t~switch325#1 := tlan_eisa_probe_#t~switch325#1 || 32bv32 == ~zero_extendFrom8To32(tlan_eisa_probe_~tmp___4~0#1); [2022-07-23 01:36:02,309 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L7068: assume tlan_eisa_probe_#t~switch325#1;tlan_eisa_probe_~irq~0#1 := 9bv32; [2022-07-23 01:36:02,309 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L7068: assume !tlan_eisa_probe_#t~switch325#1;tlan_eisa_probe_#t~switch325#1 := tlan_eisa_probe_#t~switch325#1 || 64bv32 == ~zero_extendFrom8To32(tlan_eisa_probe_~tmp___4~0#1); [2022-07-23 01:36:02,309 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L7071: assume tlan_eisa_probe_#t~switch325#1;tlan_eisa_probe_~irq~0#1 := 10bv32; [2022-07-23 01:36:02,309 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L7071: assume !tlan_eisa_probe_#t~switch325#1;tlan_eisa_probe_#t~switch325#1 := tlan_eisa_probe_#t~switch325#1 || 128bv32 == ~zero_extendFrom8To32(tlan_eisa_probe_~tmp___4~0#1); [2022-07-23 01:36:02,309 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L7074: assume tlan_eisa_probe_#t~switch325#1;tlan_eisa_probe_~irq~0#1 := 11bv32; [2022-07-23 01:36:02,309 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L7074: assume !tlan_eisa_probe_#t~switch325#1;tlan_eisa_probe_#t~switch325#1 := true; [2022-07-23 01:36:02,309 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L7077: assume tlan_eisa_probe_#t~switch325#1; [2022-07-23 01:36:02,309 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L7077: assume !tlan_eisa_probe_#t~switch325#1; [2022-07-23 01:36:02,309 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L7078: assume 16bv32 == ~debug~0;havoc tlan_eisa_probe_#t~nondet327#1; [2022-07-23 01:36:02,310 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L7078: assume !(16bv32 == ~debug~0); [2022-07-23 01:36:02,310 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L7080: SUMMARY for call tlan_eisa_probe_#t~ret326#1 := tlan_probe1(0bv64, 0bv64, tlan_eisa_probe_~ioaddr~0#1, tlan_eisa_probe_~irq~0#1, 12bv32, 0bv64, 0bv64); srcloc: null [2022-07-23 01:36:02,310 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L7081: tlan_eisa_probe_~rc~3#1 := tlan_eisa_probe_#t~ret326#1;havoc tlan_eisa_probe_#t~ret326#1; [2022-07-23 01:36:02,310 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L7021-1: assume 0bv32 != ~bvand32(16bv32, ~debug~0); [2022-07-23 01:36:02,310 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L7021-1: assume !(0bv32 != ~bvand32(16bv32, ~debug~0)); [2022-07-23 01:36:02,310 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L7022: SUMMARY for call tlan_eisa_probe_#t~ret314#1 := inw(~bvadd32(3200bv32, tlan_eisa_probe_~ioaddr~0#1[32:0])); srcloc: null [2022-07-23 01:36:02,310 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L7022-1: tlan_eisa_probe_~tmp~38#1 := tlan_eisa_probe_#t~ret314#1;havoc tlan_eisa_probe_#t~ret314#1;havoc tlan_eisa_probe_#t~nondet315#1; [2022-07-23 01:36:02,310 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L7090-1: tlan_eisa_probe_~ioaddr~0#1 := ~bvadd64(4096bv64, tlan_eisa_probe_~ioaddr~0#1); [2022-07-23 01:36:02,310 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L7026-1: assume 0bv32 != ~bvand32(16bv32, ~debug~0);havoc tlan_eisa_probe_#t~nondet318#1; [2022-07-23 01:36:02,310 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L7026-1: assume !(0bv32 != ~bvand32(16bv32, ~debug~0)); [2022-07-23 01:36:02,311 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L7027-1: tlan_eisa_probe_~tmp___0~11#1 := tlan_eisa_probe_#t~ret316#1;havoc tlan_eisa_probe_#t~ret316#1;havoc tlan_eisa_probe_#t~nondet317#1; [2022-07-23 01:36:02,311 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L7027: SUMMARY for call tlan_eisa_probe_#t~ret316#1 := inw(~bvadd32(3202bv32, tlan_eisa_probe_~ioaddr~0#1[32:0])); srcloc: null [2022-07-23 01:36:02,311 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L7031-1: call tlan_eisa_probe_#t~ret319#1.base, tlan_eisa_probe_#t~ret319#1.offset := __request_region(~#ioport_resource~0.base, ~#ioport_resource~0.offset, tlan_eisa_probe_~ioaddr~0#1, 16bv64, ~#tlan_signature~0.base, ~#tlan_signature~0.offset, 0bv32);tlan_eisa_probe_~tmp___1~4#1.base, tlan_eisa_probe_~tmp___1~4#1.offset := tlan_eisa_probe_#t~ret319#1.base, tlan_eisa_probe_#t~ret319#1.offset;havoc tlan_eisa_probe_#t~ret319#1.base, tlan_eisa_probe_#t~ret319#1.offset; [2022-07-23 01:36:02,311 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L7097: assume ~bvsle64(tlan_eisa_probe_~ioaddr~0#1, 36863bv64); [2022-07-23 01:36:02,311 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L7097: assume !~bvsle64(tlan_eisa_probe_~ioaddr~0#1, 36863bv64); [2022-07-23 01:36:02,311 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L7099: assume 0bv32 != ~bvand32(16bv32, ~debug~0); [2022-07-23 01:36:02,311 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L7099: assume !(0bv32 != ~bvand32(16bv32, ~debug~0)); [2022-07-23 01:36:02,311 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L7037: assume 0bv64 == ~bvadd64(tlan_eisa_probe_~tmp___1~4#1.base, tlan_eisa_probe_~tmp___1~4#1.offset); [2022-07-23 01:36:02,311 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L7037: assume !(0bv64 == ~bvadd64(tlan_eisa_probe_~tmp___1~4#1.base, tlan_eisa_probe_~tmp___1~4#1.offset)); [2022-07-23 01:36:02,469 INFO L275 CfgBuilder]: Performing block encoding [2022-07-23 01:36:02,493 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-23 01:36:02,493 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-07-23 01:36:02,497 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 01:36:02 BoogieIcfgContainer [2022-07-23 01:36:02,497 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-23 01:36:02,499 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-23 01:36:02,499 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-23 01:36:02,502 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-23 01:36:02,502 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.07 01:35:21" (1/3) ... [2022-07-23 01:36:02,502 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13740190 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.07 01:36:02, skipping insertion in model container [2022-07-23 01:36:02,502 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 01:35:24" (2/3) ... [2022-07-23 01:36:02,503 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13740190 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.07 01:36:02, skipping insertion in model container [2022-07-23 01:36:02,503 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 01:36:02" (3/3) ... [2022-07-23 01:36:02,504 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--ti--tlan.ko-entry_point.cil.out.i [2022-07-23 01:36:02,517 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-23 01:36:02,517 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-23 01:36:02,611 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-23 01:36:02,617 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@2e184277, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@28376e68 [2022-07-23 01:36:02,617 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-23 01:36:02,629 INFO L276 IsEmpty]: Start isEmpty. Operand has 2023 states, 1352 states have (on average 1.3150887573964498) internal successors, (1778), 1400 states have internal predecessors, (1778), 570 states have call successors, (570), 100 states have call predecessors, (570), 99 states have return successors, (562), 551 states have call predecessors, (562), 562 states have call successors, (562) [2022-07-23 01:36:02,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2022-07-23 01:36:02,666 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 01:36:02,667 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2022-07-23 01:36:02,669 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 01:36:02,673 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 01:36:02,673 INFO L85 PathProgramCache]: Analyzing trace with hash 112556324, now seen corresponding path program 1 times [2022-07-23 01:36:02,687 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 01:36:02,688 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [128517119] [2022-07-23 01:36:02,688 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 01:36:02,689 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 01:36:02,689 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 01:36:02,695 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-23 01:36:02,698 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-07-23 01:36:05,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:36:05,259 INFO L263 TraceCheckSpWp]: Trace formula consists of 2304 conjuncts, 5 conjunts are in the unsatisfiable core [2022-07-23 01:36:05,276 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 01:36:05,598 INFO L134 CoverageAnalysis]: Checked inductivity of 324 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 306 trivial. 0 not checked. [2022-07-23 01:36:05,598 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-23 01:36:05,599 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-23 01:36:05,599 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [128517119] [2022-07-23 01:36:05,599 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [128517119] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 01:36:05,600 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 01:36:05,600 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-23 01:36:05,601 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1872494577] [2022-07-23 01:36:05,602 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 01:36:05,606 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-23 01:36:05,606 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-23 01:36:05,627 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-23 01:36:05,628 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-23 01:36:05,635 INFO L87 Difference]: Start difference. First operand has 2023 states, 1352 states have (on average 1.3150887573964498) internal successors, (1778), 1400 states have internal predecessors, (1778), 570 states have call successors, (570), 100 states have call predecessors, (570), 99 states have return successors, (562), 551 states have call predecessors, (562), 562 states have call successors, (562) Second operand has 6 states, 5 states have (on average 12.4) internal successors, (62), 6 states have internal predecessors, (62), 3 states have call successors, (23), 2 states have call predecessors, (23), 4 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) [2022-07-23 01:36:06,279 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 01:36:06,279 INFO L93 Difference]: Finished difference Result 4047 states and 5868 transitions. [2022-07-23 01:36:06,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-23 01:36:06,283 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 12.4) internal successors, (62), 6 states have internal predecessors, (62), 3 states have call successors, (23), 2 states have call predecessors, (23), 4 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) Word has length 190 [2022-07-23 01:36:06,284 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 01:36:06,318 INFO L225 Difference]: With dead ends: 4047 [2022-07-23 01:36:06,318 INFO L226 Difference]: Without dead ends: 1983 [2022-07-23 01:36:06,341 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 191 GetRequests, 185 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-07-23 01:36:06,346 INFO L413 NwaCegarLoop]: 2899 mSDtfsCounter, 6 mSDsluCounter, 11580 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 14479 SdHoareTripleChecker+Invalid, 48 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-07-23 01:36:06,348 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 14479 Invalid, 48 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-07-23 01:36:06,368 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1983 states. [2022-07-23 01:36:06,506 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1983 to 1983. [2022-07-23 01:36:06,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1983 states, 1328 states have (on average 1.3087349397590362) internal successors, (1738), 1367 states have internal predecessors, (1738), 556 states have call successors, (556), 98 states have call predecessors, (556), 98 states have return successors, (556), 544 states have call predecessors, (556), 555 states have call successors, (556) [2022-07-23 01:36:06,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1983 states to 1983 states and 2850 transitions. [2022-07-23 01:36:06,536 INFO L78 Accepts]: Start accepts. Automaton has 1983 states and 2850 transitions. Word has length 190 [2022-07-23 01:36:06,538 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 01:36:06,538 INFO L495 AbstractCegarLoop]: Abstraction has 1983 states and 2850 transitions. [2022-07-23 01:36:06,539 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 12.4) internal successors, (62), 6 states have internal predecessors, (62), 3 states have call successors, (23), 2 states have call predecessors, (23), 4 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) [2022-07-23 01:36:06,539 INFO L276 IsEmpty]: Start isEmpty. Operand 1983 states and 2850 transitions. [2022-07-23 01:36:06,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2022-07-23 01:36:06,548 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 01:36:06,548 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2022-07-23 01:36:06,619 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-07-23 01:36:06,775 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-23 01:36:06,776 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 01:36:06,776 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 01:36:06,776 INFO L85 PathProgramCache]: Analyzing trace with hash 398062803, now seen corresponding path program 1 times [2022-07-23 01:36:06,779 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 01:36:06,779 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [312803762] [2022-07-23 01:36:06,779 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 01:36:06,779 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 01:36:06,779 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 01:36:06,782 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-23 01:36:06,822 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-07-23 01:36:09,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:36:09,381 INFO L263 TraceCheckSpWp]: Trace formula consists of 2337 conjuncts, 6 conjunts are in the unsatisfiable core [2022-07-23 01:36:09,387 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 01:36:09,716 INFO L134 CoverageAnalysis]: Checked inductivity of 336 backedges. 24 proven. 1 refuted. 0 times theorem prover too weak. 311 trivial. 0 not checked. [2022-07-23 01:36:09,717 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-23 01:36:10,808 INFO L134 CoverageAnalysis]: Checked inductivity of 336 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 315 trivial. 0 not checked. [2022-07-23 01:36:10,808 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-23 01:36:10,809 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [312803762] [2022-07-23 01:36:10,809 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [312803762] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-23 01:36:10,809 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-07-23 01:36:10,809 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 11 [2022-07-23 01:36:10,809 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1542711123] [2022-07-23 01:36:10,810 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-07-23 01:36:10,811 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-07-23 01:36:10,811 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-23 01:36:10,812 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-07-23 01:36:10,812 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2022-07-23 01:36:10,812 INFO L87 Difference]: Start difference. First operand 1983 states and 2850 transitions. Second operand has 11 states, 9 states have (on average 9.333333333333334) internal successors, (84), 11 states have internal predecessors, (84), 4 states have call successors, (30), 2 states have call predecessors, (30), 5 states have return successors, (25), 4 states have call predecessors, (25), 4 states have call successors, (25) [2022-07-23 01:36:11,761 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 01:36:11,761 INFO L93 Difference]: Finished difference Result 3954 states and 5684 transitions. [2022-07-23 01:36:11,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-07-23 01:36:11,763 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 9 states have (on average 9.333333333333334) internal successors, (84), 11 states have internal predecessors, (84), 4 states have call successors, (30), 2 states have call predecessors, (30), 5 states have return successors, (25), 4 states have call predecessors, (25), 4 states have call successors, (25) Word has length 193 [2022-07-23 01:36:11,764 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 01:36:11,783 INFO L225 Difference]: With dead ends: 3954 [2022-07-23 01:36:11,784 INFO L226 Difference]: Without dead ends: 1986 [2022-07-23 01:36:11,799 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 387 GetRequests, 375 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=46, Invalid=136, Unknown=0, NotChecked=0, Total=182 [2022-07-23 01:36:11,800 INFO L413 NwaCegarLoop]: 2840 mSDtfsCounter, 13 mSDsluCounter, 17012 mSDsCounter, 0 mSdLazyCounter, 83 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 19852 SdHoareTripleChecker+Invalid, 87 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 83 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-07-23 01:36:11,800 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 19852 Invalid, 87 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 83 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-07-23 01:36:11,805 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1986 states. [2022-07-23 01:36:11,861 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1986 to 1984. [2022-07-23 01:36:11,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1984 states, 1329 states have (on average 1.309255079006772) internal successors, (1740), 1368 states have internal predecessors, (1740), 556 states have call successors, (556), 98 states have call predecessors, (556), 98 states have return successors, (556), 544 states have call predecessors, (556), 555 states have call successors, (556) [2022-07-23 01:36:11,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1984 states to 1984 states and 2852 transitions. [2022-07-23 01:36:11,887 INFO L78 Accepts]: Start accepts. Automaton has 1984 states and 2852 transitions. Word has length 193 [2022-07-23 01:36:11,889 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 01:36:11,889 INFO L495 AbstractCegarLoop]: Abstraction has 1984 states and 2852 transitions. [2022-07-23 01:36:11,890 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 9 states have (on average 9.333333333333334) internal successors, (84), 11 states have internal predecessors, (84), 4 states have call successors, (30), 2 states have call predecessors, (30), 5 states have return successors, (25), 4 states have call predecessors, (25), 4 states have call successors, (25) [2022-07-23 01:36:11,890 INFO L276 IsEmpty]: Start isEmpty. Operand 1984 states and 2852 transitions. [2022-07-23 01:36:11,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2022-07-23 01:36:11,895 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 01:36:11,895 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2022-07-23 01:36:11,965 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-07-23 01:36:12,115 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-23 01:36:12,116 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 01:36:12,116 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 01:36:12,116 INFO L85 PathProgramCache]: Analyzing trace with hash 687295633, now seen corresponding path program 1 times [2022-07-23 01:36:12,118 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 01:36:12,118 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [3557087] [2022-07-23 01:36:12,118 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 01:36:12,119 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 01:36:12,119 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 01:36:12,121 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-23 01:36:12,123 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-07-23 01:36:14,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:36:14,641 INFO L263 TraceCheckSpWp]: Trace formula consists of 2357 conjuncts, 7 conjunts are in the unsatisfiable core [2022-07-23 01:36:14,648 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 01:36:14,983 INFO L134 CoverageAnalysis]: Checked inductivity of 357 backedges. 34 proven. 3 refuted. 0 times theorem prover too weak. 320 trivial. 0 not checked. [2022-07-23 01:36:14,987 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-23 01:36:16,310 INFO L134 CoverageAnalysis]: Checked inductivity of 357 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 324 trivial. 0 not checked. [2022-07-23 01:36:16,311 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-23 01:36:16,311 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [3557087] [2022-07-23 01:36:16,311 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [3557087] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-23 01:36:16,311 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-07-23 01:36:16,312 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 13 [2022-07-23 01:36:16,312 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1298302516] [2022-07-23 01:36:16,312 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-07-23 01:36:16,313 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-07-23 01:36:16,313 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-23 01:36:16,313 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-07-23 01:36:16,314 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2022-07-23 01:36:16,314 INFO L87 Difference]: Start difference. First operand 1984 states and 2852 transitions. Second operand has 13 states, 11 states have (on average 8.454545454545455) internal successors, (93), 13 states have internal predecessors, (93), 4 states have call successors, (29), 2 states have call predecessors, (29), 5 states have return successors, (25), 4 states have call predecessors, (25), 4 states have call successors, (25) [2022-07-23 01:36:17,344 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 01:36:17,345 INFO L93 Difference]: Finished difference Result 3958 states and 5690 transitions. [2022-07-23 01:36:17,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-07-23 01:36:17,347 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 11 states have (on average 8.454545454545455) internal successors, (93), 13 states have internal predecessors, (93), 4 states have call successors, (29), 2 states have call predecessors, (29), 5 states have return successors, (25), 4 states have call predecessors, (25), 4 states have call successors, (25) Word has length 202 [2022-07-23 01:36:17,347 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 01:36:17,362 INFO L225 Difference]: With dead ends: 3958 [2022-07-23 01:36:17,362 INFO L226 Difference]: Without dead ends: 1989 [2022-07-23 01:36:17,375 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 406 GetRequests, 391 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=63, Invalid=209, Unknown=0, NotChecked=0, Total=272 [2022-07-23 01:36:17,376 INFO L413 NwaCegarLoop]: 2841 mSDtfsCounter, 23 mSDsluCounter, 17023 mSDsCounter, 0 mSdLazyCounter, 103 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 19864 SdHoareTripleChecker+Invalid, 112 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 103 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-07-23 01:36:17,377 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [25 Valid, 19864 Invalid, 112 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 103 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-07-23 01:36:17,380 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1989 states. [2022-07-23 01:36:17,427 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1989 to 1985. [2022-07-23 01:36:17,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1985 states, 1330 states have (on average 1.3097744360902255) internal successors, (1742), 1369 states have internal predecessors, (1742), 556 states have call successors, (556), 98 states have call predecessors, (556), 98 states have return successors, (556), 544 states have call predecessors, (556), 555 states have call successors, (556) [2022-07-23 01:36:17,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1985 states to 1985 states and 2854 transitions. [2022-07-23 01:36:17,445 INFO L78 Accepts]: Start accepts. Automaton has 1985 states and 2854 transitions. Word has length 202 [2022-07-23 01:36:17,445 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 01:36:17,445 INFO L495 AbstractCegarLoop]: Abstraction has 1985 states and 2854 transitions. [2022-07-23 01:36:17,446 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 11 states have (on average 8.454545454545455) internal successors, (93), 13 states have internal predecessors, (93), 4 states have call successors, (29), 2 states have call predecessors, (29), 5 states have return successors, (25), 4 states have call predecessors, (25), 4 states have call successors, (25) [2022-07-23 01:36:17,446 INFO L276 IsEmpty]: Start isEmpty. Operand 1985 states and 2854 transitions. [2022-07-23 01:36:17,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2022-07-23 01:36:17,452 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 01:36:17,452 INFO L195 NwaCegarLoop]: trace histogram [9, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2022-07-23 01:36:17,527 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-07-23 01:36:17,671 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-23 01:36:17,672 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 01:36:17,672 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 01:36:17,672 INFO L85 PathProgramCache]: Analyzing trace with hash -956355392, now seen corresponding path program 2 times [2022-07-23 01:36:17,674 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 01:36:17,674 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1565393422] [2022-07-23 01:36:17,674 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-07-23 01:36:17,675 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 01:36:17,675 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 01:36:17,676 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-23 01:36:17,677 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-07-23 01:36:19,251 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-07-23 01:36:19,251 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-23 01:36:19,358 INFO L263 TraceCheckSpWp]: Trace formula consists of 1898 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-23 01:36:19,363 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 01:36:19,436 INFO L134 CoverageAnalysis]: Checked inductivity of 387 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 387 trivial. 0 not checked. [2022-07-23 01:36:19,437 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-23 01:36:19,437 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-23 01:36:19,437 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1565393422] [2022-07-23 01:36:19,437 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1565393422] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 01:36:19,437 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 01:36:19,437 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-23 01:36:19,437 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [523779573] [2022-07-23 01:36:19,437 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 01:36:19,438 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-23 01:36:19,438 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-23 01:36:19,438 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-23 01:36:19,438 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-23 01:36:19,439 INFO L87 Difference]: Start difference. First operand 1985 states and 2854 transitions. Second operand has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-07-23 01:36:20,362 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 01:36:20,363 INFO L93 Difference]: Finished difference Result 5624 states and 8076 transitions. [2022-07-23 01:36:20,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-23 01:36:20,363 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 205 [2022-07-23 01:36:20,364 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 01:36:20,393 INFO L225 Difference]: With dead ends: 5624 [2022-07-23 01:36:20,393 INFO L226 Difference]: Without dead ends: 3668 [2022-07-23 01:36:20,409 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 204 GetRequests, 203 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-23 01:36:20,410 INFO L413 NwaCegarLoop]: 3561 mSDtfsCounter, 2461 mSDsluCounter, 2685 mSDsCounter, 0 mSdLazyCounter, 87 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2461 SdHoareTripleChecker+Valid, 6246 SdHoareTripleChecker+Invalid, 94 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 87 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-07-23 01:36:20,410 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2461 Valid, 6246 Invalid, 94 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 87 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-07-23 01:36:20,416 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3668 states. [2022-07-23 01:36:20,534 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3668 to 3652. [2022-07-23 01:36:20,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3652 states, 2426 states have (on average 1.3017312448474856) internal successors, (3158), 2507 states have internal predecessors, (3158), 1041 states have call successors, (1041), 185 states have call predecessors, (1041), 184 states have return successors, (1043), 1012 states have call predecessors, (1043), 1040 states have call successors, (1043) [2022-07-23 01:36:20,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3652 states to 3652 states and 5242 transitions. [2022-07-23 01:36:20,567 INFO L78 Accepts]: Start accepts. Automaton has 3652 states and 5242 transitions. Word has length 205 [2022-07-23 01:36:20,568 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 01:36:20,568 INFO L495 AbstractCegarLoop]: Abstraction has 3652 states and 5242 transitions. [2022-07-23 01:36:20,568 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-07-23 01:36:20,569 INFO L276 IsEmpty]: Start isEmpty. Operand 3652 states and 5242 transitions. [2022-07-23 01:36:20,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-07-23 01:36:20,573 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 01:36:20,573 INFO L195 NwaCegarLoop]: trace histogram [9, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2022-07-23 01:36:20,631 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2022-07-23 01:36:20,795 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-23 01:36:20,796 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 01:36:20,796 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 01:36:20,796 INFO L85 PathProgramCache]: Analyzing trace with hash -323456461, now seen corresponding path program 2 times [2022-07-23 01:36:20,799 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 01:36:20,799 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [341202640] [2022-07-23 01:36:20,799 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-07-23 01:36:20,799 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 01:36:20,799 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 01:36:20,801 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-23 01:36:20,803 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-07-23 01:36:22,579 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-07-23 01:36:22,580 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-23 01:36:22,693 INFO L263 TraceCheckSpWp]: Trace formula consists of 1911 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-23 01:36:22,697 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 01:36:22,823 INFO L134 CoverageAnalysis]: Checked inductivity of 387 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 387 trivial. 0 not checked. [2022-07-23 01:36:22,823 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-23 01:36:22,823 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-23 01:36:22,823 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [341202640] [2022-07-23 01:36:22,823 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [341202640] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 01:36:22,824 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 01:36:22,824 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-23 01:36:22,824 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1636222126] [2022-07-23 01:36:22,824 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 01:36:22,824 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-23 01:36:22,824 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-23 01:36:22,825 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-23 01:36:22,825 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-23 01:36:22,825 INFO L87 Difference]: Start difference. First operand 3652 states and 5242 transitions. Second operand has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-07-23 01:36:23,303 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 01:36:23,303 INFO L93 Difference]: Finished difference Result 10872 states and 15652 transitions. [2022-07-23 01:36:23,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-23 01:36:23,304 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 199 [2022-07-23 01:36:23,304 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 01:36:23,367 INFO L225 Difference]: With dead ends: 10872 [2022-07-23 01:36:23,367 INFO L226 Difference]: Without dead ends: 7249 [2022-07-23 01:36:23,399 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 198 GetRequests, 197 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-23 01:36:23,401 INFO L413 NwaCegarLoop]: 3390 mSDtfsCounter, 2814 mSDsluCounter, 2810 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2814 SdHoareTripleChecker+Valid, 6200 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-07-23 01:36:23,401 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2814 Valid, 6200 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-07-23 01:36:23,410 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7249 states. [2022-07-23 01:36:23,667 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7249 to 7241. [2022-07-23 01:36:23,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7241 states, 4810 states have (on average 1.3014553014553014) internal successors, (6260), 4971 states have internal predecessors, (6260), 2066 states have call successors, (2066), 368 states have call predecessors, (2066), 364 states have return successors, (2084), 2007 states have call predecessors, (2084), 2065 states have call successors, (2084) [2022-07-23 01:36:23,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7241 states to 7241 states and 10410 transitions. [2022-07-23 01:36:23,739 INFO L78 Accepts]: Start accepts. Automaton has 7241 states and 10410 transitions. Word has length 199 [2022-07-23 01:36:23,740 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 01:36:23,740 INFO L495 AbstractCegarLoop]: Abstraction has 7241 states and 10410 transitions. [2022-07-23 01:36:23,741 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-07-23 01:36:23,741 INFO L276 IsEmpty]: Start isEmpty. Operand 7241 states and 10410 transitions. [2022-07-23 01:36:23,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2022-07-23 01:36:23,745 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 01:36:23,745 INFO L195 NwaCegarLoop]: trace histogram [9, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2022-07-23 01:36:23,803 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2022-07-23 01:36:23,959 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-23 01:36:23,960 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 01:36:23,960 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 01:36:23,960 INFO L85 PathProgramCache]: Analyzing trace with hash -626016518, now seen corresponding path program 1 times [2022-07-23 01:36:23,962 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 01:36:23,962 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [570069612] [2022-07-23 01:36:23,962 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 01:36:23,962 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 01:36:23,962 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 01:36:23,963 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-23 01:36:23,964 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2022-07-23 01:36:26,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:36:26,422 INFO L263 TraceCheckSpWp]: Trace formula consists of 2405 conjuncts, 8 conjunts are in the unsatisfiable core [2022-07-23 01:36:26,427 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 01:36:26,876 INFO L134 CoverageAnalysis]: Checked inductivity of 387 backedges. 48 proven. 6 refuted. 0 times theorem prover too weak. 333 trivial. 0 not checked. [2022-07-23 01:36:26,876 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-23 01:36:28,538 INFO L134 CoverageAnalysis]: Checked inductivity of 387 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 337 trivial. 0 not checked. [2022-07-23 01:36:28,539 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-23 01:36:28,539 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [570069612] [2022-07-23 01:36:28,539 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [570069612] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-23 01:36:28,539 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-07-23 01:36:28,539 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 15 [2022-07-23 01:36:28,539 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [570107423] [2022-07-23 01:36:28,539 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-07-23 01:36:28,540 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-07-23 01:36:28,540 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-23 01:36:28,540 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-07-23 01:36:28,541 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=165, Unknown=0, NotChecked=0, Total=210 [2022-07-23 01:36:28,541 INFO L87 Difference]: Start difference. First operand 7241 states and 10410 transitions. Second operand has 15 states, 13 states have (on average 6.846153846153846) internal successors, (89), 15 states have internal predecessors, (89), 4 states have call successors, (30), 2 states have call predecessors, (30), 5 states have return successors, (25), 4 states have call predecessors, (25), 4 states have call successors, (25) [2022-07-23 01:36:30,120 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 01:36:30,121 INFO L93 Difference]: Finished difference Result 14510 states and 20856 transitions. [2022-07-23 01:36:30,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-07-23 01:36:30,122 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 13 states have (on average 6.846153846153846) internal successors, (89), 15 states have internal predecessors, (89), 4 states have call successors, (30), 2 states have call predecessors, (30), 5 states have return successors, (25), 4 states have call predecessors, (25), 4 states have call successors, (25) Word has length 200 [2022-07-23 01:36:30,123 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 01:36:30,227 INFO L225 Difference]: With dead ends: 14510 [2022-07-23 01:36:30,228 INFO L226 Difference]: Without dead ends: 7284 [2022-07-23 01:36:30,259 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 403 GetRequests, 385 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=83, Invalid=297, Unknown=0, NotChecked=0, Total=380 [2022-07-23 01:36:30,260 INFO L413 NwaCegarLoop]: 2842 mSDtfsCounter, 32 mSDsluCounter, 22701 mSDsCounter, 0 mSdLazyCounter, 171 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 25543 SdHoareTripleChecker+Invalid, 182 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 171 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-07-23 01:36:30,261 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [34 Valid, 25543 Invalid, 182 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 171 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-07-23 01:36:30,268 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7284 states. [2022-07-23 01:36:30,495 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7284 to 7242. [2022-07-23 01:36:30,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7242 states, 4811 states have (on average 1.3016004988567866) internal successors, (6262), 4972 states have internal predecessors, (6262), 2066 states have call successors, (2066), 368 states have call predecessors, (2066), 364 states have return successors, (2084), 2007 states have call predecessors, (2084), 2065 states have call successors, (2084) [2022-07-23 01:36:30,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7242 states to 7242 states and 10412 transitions. [2022-07-23 01:36:30,548 INFO L78 Accepts]: Start accepts. Automaton has 7242 states and 10412 transitions. Word has length 200 [2022-07-23 01:36:30,549 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 01:36:30,549 INFO L495 AbstractCegarLoop]: Abstraction has 7242 states and 10412 transitions. [2022-07-23 01:36:30,550 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 13 states have (on average 6.846153846153846) internal successors, (89), 15 states have internal predecessors, (89), 4 states have call successors, (30), 2 states have call predecessors, (30), 5 states have return successors, (25), 4 states have call predecessors, (25), 4 states have call successors, (25) [2022-07-23 01:36:30,550 INFO L276 IsEmpty]: Start isEmpty. Operand 7242 states and 10412 transitions. [2022-07-23 01:36:30,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2022-07-23 01:36:30,554 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 01:36:30,554 INFO L195 NwaCegarLoop]: trace histogram [12, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2022-07-23 01:36:30,622 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2022-07-23 01:36:30,775 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-23 01:36:30,776 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 01:36:30,776 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 01:36:30,776 INFO L85 PathProgramCache]: Analyzing trace with hash 1595007721, now seen corresponding path program 2 times [2022-07-23 01:36:30,777 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 01:36:30,778 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [425184780] [2022-07-23 01:36:30,778 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-07-23 01:36:30,778 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 01:36:30,778 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 01:36:30,779 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-23 01:36:30,780 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2022-07-23 01:36:32,417 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-07-23 01:36:32,417 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-23 01:36:32,516 INFO L263 TraceCheckSpWp]: Trace formula consists of 1913 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-23 01:36:32,520 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 01:36:32,636 INFO L134 CoverageAnalysis]: Checked inductivity of 426 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 426 trivial. 0 not checked. [2022-07-23 01:36:32,637 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-23 01:36:32,637 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-23 01:36:32,637 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [425184780] [2022-07-23 01:36:32,637 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [425184780] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 01:36:32,637 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 01:36:32,637 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-23 01:36:32,638 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1440120595] [2022-07-23 01:36:32,638 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 01:36:32,638 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-23 01:36:32,638 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-23 01:36:32,639 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-23 01:36:32,639 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-23 01:36:32,639 INFO L87 Difference]: Start difference. First operand 7242 states and 10412 transitions. Second operand has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-07-23 01:36:33,140 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 01:36:33,141 INFO L93 Difference]: Finished difference Result 18061 states and 26008 transitions. [2022-07-23 01:36:33,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-23 01:36:33,142 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 203 [2022-07-23 01:36:33,142 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 01:36:33,275 INFO L225 Difference]: With dead ends: 18061 [2022-07-23 01:36:33,275 INFO L226 Difference]: Without dead ends: 10848 [2022-07-23 01:36:33,308 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 202 GetRequests, 201 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-23 01:36:33,309 INFO L413 NwaCegarLoop]: 3386 mSDtfsCounter, 2824 mSDsluCounter, 2810 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2824 SdHoareTripleChecker+Valid, 6196 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-07-23 01:36:33,309 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2824 Valid, 6196 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-07-23 01:36:33,320 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10848 states. [2022-07-23 01:36:33,755 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10848 to 10845. [2022-07-23 01:36:33,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10845 states, 7207 states have (on average 1.3008186485361455) internal successors, (9375), 7448 states have internal predecessors, (9375), 3091 states have call successors, (3091), 551 states have call predecessors, (3091), 546 states have return successors, (3127), 3004 states have call predecessors, (3127), 3090 states have call successors, (3127) [2022-07-23 01:36:33,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10845 states to 10845 states and 15593 transitions. [2022-07-23 01:36:33,842 INFO L78 Accepts]: Start accepts. Automaton has 10845 states and 15593 transitions. Word has length 203 [2022-07-23 01:36:33,843 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 01:36:33,843 INFO L495 AbstractCegarLoop]: Abstraction has 10845 states and 15593 transitions. [2022-07-23 01:36:33,843 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-07-23 01:36:33,844 INFO L276 IsEmpty]: Start isEmpty. Operand 10845 states and 15593 transitions. [2022-07-23 01:36:33,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2022-07-23 01:36:33,848 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 01:36:33,848 INFO L195 NwaCegarLoop]: trace histogram [12, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2022-07-23 01:36:33,904 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2022-07-23 01:36:34,075 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-23 01:36:34,076 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 01:36:34,076 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 01:36:34,076 INFO L85 PathProgramCache]: Analyzing trace with hash 1334921819, now seen corresponding path program 1 times [2022-07-23 01:36:34,078 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 01:36:34,078 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1978936859] [2022-07-23 01:36:34,078 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 01:36:34,079 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 01:36:34,079 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 01:36:34,081 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-23 01:36:34,083 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2022-07-23 01:36:37,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:36:37,866 INFO L263 TraceCheckSpWp]: Trace formula consists of 2440 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-23 01:36:37,871 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 01:36:38,012 INFO L134 CoverageAnalysis]: Checked inductivity of 426 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 426 trivial. 0 not checked. [2022-07-23 01:36:38,012 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-23 01:36:38,012 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-23 01:36:38,013 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1978936859] [2022-07-23 01:36:38,013 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1978936859] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 01:36:38,013 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 01:36:38,013 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-23 01:36:38,013 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1909529385] [2022-07-23 01:36:38,013 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 01:36:38,013 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-23 01:36:38,014 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-23 01:36:38,014 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-23 01:36:38,014 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-23 01:36:38,014 INFO L87 Difference]: Start difference. First operand 10845 states and 15593 transitions. Second operand has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-07-23 01:36:38,734 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 01:36:38,734 INFO L93 Difference]: Finished difference Result 25265 states and 36376 transitions. [2022-07-23 01:36:38,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-23 01:36:38,735 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 204 [2022-07-23 01:36:38,735 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 01:36:38,843 INFO L225 Difference]: With dead ends: 25265 [2022-07-23 01:36:38,844 INFO L226 Difference]: Without dead ends: 14449 [2022-07-23 01:36:38,906 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 203 GetRequests, 202 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-23 01:36:38,906 INFO L413 NwaCegarLoop]: 3386 mSDtfsCounter, 2825 mSDsluCounter, 2810 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2825 SdHoareTripleChecker+Valid, 6196 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-07-23 01:36:38,907 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2825 Valid, 6196 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-07-23 01:36:38,927 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14449 states. [2022-07-23 01:36:39,888 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14449 to 14446. [2022-07-23 01:36:39,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14446 states, 9603 states have (on average 1.3003228157867333) internal successors, (12487), 9924 states have internal predecessors, (12487), 4114 states have call successors, (4114), 734 states have call predecessors, (4114), 728 states have return successors, (4168), 3999 states have call predecessors, (4168), 4113 states have call successors, (4168) [2022-07-23 01:36:40,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14446 states to 14446 states and 20769 transitions. [2022-07-23 01:36:40,060 INFO L78 Accepts]: Start accepts. Automaton has 14446 states and 20769 transitions. Word has length 204 [2022-07-23 01:36:40,060 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 01:36:40,061 INFO L495 AbstractCegarLoop]: Abstraction has 14446 states and 20769 transitions. [2022-07-23 01:36:40,061 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-07-23 01:36:40,061 INFO L276 IsEmpty]: Start isEmpty. Operand 14446 states and 20769 transitions. [2022-07-23 01:36:40,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2022-07-23 01:36:40,065 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 01:36:40,065 INFO L195 NwaCegarLoop]: trace histogram [12, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2022-07-23 01:36:40,147 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2022-07-23 01:36:40,287 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-23 01:36:40,288 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 01:36:40,288 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 01:36:40,288 INFO L85 PathProgramCache]: Analyzing trace with hash 185316992, now seen corresponding path program 1 times [2022-07-23 01:36:40,290 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 01:36:40,290 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1086518780] [2022-07-23 01:36:40,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 01:36:40,291 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 01:36:40,291 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 01:36:40,293 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-23 01:36:40,295 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2022-07-23 01:36:43,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:36:44,059 INFO L263 TraceCheckSpWp]: Trace formula consists of 2442 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-23 01:36:44,064 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 01:36:44,212 INFO L134 CoverageAnalysis]: Checked inductivity of 426 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 426 trivial. 0 not checked. [2022-07-23 01:36:44,213 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-23 01:36:44,213 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-23 01:36:44,213 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1086518780] [2022-07-23 01:36:44,213 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1086518780] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 01:36:44,213 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 01:36:44,213 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-23 01:36:44,213 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1118601730] [2022-07-23 01:36:44,213 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 01:36:44,214 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-23 01:36:44,214 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-23 01:36:44,214 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-23 01:36:44,214 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-23 01:36:44,214 INFO L87 Difference]: Start difference. First operand 14446 states and 20769 transitions. Second operand has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-07-23 01:36:44,891 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 01:36:44,891 INFO L93 Difference]: Finished difference Result 32419 states and 46672 transitions. [2022-07-23 01:36:44,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-23 01:36:44,892 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 205 [2022-07-23 01:36:44,892 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 01:36:45,017 INFO L225 Difference]: With dead ends: 32419 [2022-07-23 01:36:45,018 INFO L226 Difference]: Without dead ends: 18002 [2022-07-23 01:36:45,123 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 204 GetRequests, 203 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-23 01:36:45,126 INFO L413 NwaCegarLoop]: 3386 mSDtfsCounter, 2826 mSDsluCounter, 2810 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2826 SdHoareTripleChecker+Valid, 6196 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-07-23 01:36:45,126 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2826 Valid, 6196 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-07-23 01:36:45,146 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18002 states. [2022-07-23 01:36:45,824 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18002 to 17999. [2022-07-23 01:36:46,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17999 states, 11971 states have (on average 1.3001420098571548) internal successors, (15564), 12372 states have internal predecessors, (15564), 5121 states have call successors, (5121), 913 states have call predecessors, (5121), 906 states have return successors, (5193), 4978 states have call predecessors, (5193), 5120 states have call successors, (5193) [2022-07-23 01:36:46,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17999 states to 17999 states and 25878 transitions. [2022-07-23 01:36:46,150 INFO L78 Accepts]: Start accepts. Automaton has 17999 states and 25878 transitions. Word has length 205 [2022-07-23 01:36:46,151 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 01:36:46,151 INFO L495 AbstractCegarLoop]: Abstraction has 17999 states and 25878 transitions. [2022-07-23 01:36:46,151 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-07-23 01:36:46,151 INFO L276 IsEmpty]: Start isEmpty. Operand 17999 states and 25878 transitions. [2022-07-23 01:36:46,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2022-07-23 01:36:46,156 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 01:36:46,156 INFO L195 NwaCegarLoop]: trace histogram [12, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 01:36:46,247 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2022-07-23 01:36:46,371 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-23 01:36:46,371 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 01:36:46,372 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 01:36:46,372 INFO L85 PathProgramCache]: Analyzing trace with hash -1477666494, now seen corresponding path program 1 times [2022-07-23 01:36:46,375 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 01:36:46,375 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [840406115] [2022-07-23 01:36:46,375 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 01:36:46,375 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 01:36:46,375 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 01:36:46,381 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-23 01:36:46,421 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2022-07-23 01:36:50,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:36:50,173 INFO L263 TraceCheckSpWp]: Trace formula consists of 2489 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-23 01:36:50,177 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 01:36:50,264 INFO L134 CoverageAnalysis]: Checked inductivity of 423 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 423 trivial. 0 not checked. [2022-07-23 01:36:50,264 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-23 01:36:50,264 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-23 01:36:50,264 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [840406115] [2022-07-23 01:36:50,264 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [840406115] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 01:36:50,265 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 01:36:50,265 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-23 01:36:50,265 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [554614138] [2022-07-23 01:36:50,265 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 01:36:50,265 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-23 01:36:50,265 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-23 01:36:50,266 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-23 01:36:50,266 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-23 01:36:50,266 INFO L87 Difference]: Start difference. First operand 17999 states and 25878 transitions. Second operand has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-07-23 01:36:51,532 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 01:36:51,532 INFO L93 Difference]: Finished difference Result 51171 states and 73711 transitions. [2022-07-23 01:36:51,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-23 01:36:51,533 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 219 [2022-07-23 01:36:51,533 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 01:36:51,751 INFO L225 Difference]: With dead ends: 51171 [2022-07-23 01:36:51,751 INFO L226 Difference]: Without dead ends: 33199 [2022-07-23 01:36:51,887 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 218 GetRequests, 217 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-23 01:36:51,888 INFO L413 NwaCegarLoop]: 4117 mSDtfsCounter, 2470 mSDsluCounter, 2754 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2470 SdHoareTripleChecker+Valid, 6871 SdHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-07-23 01:36:51,889 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2470 Valid, 6871 Invalid, 54 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-07-23 01:36:51,925 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33199 states. [2022-07-23 01:36:53,198 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33199 to 33160. [2022-07-23 01:36:53,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33160 states, 21794 states have (on average 1.2955859410847022) internal successors, (28236), 22528 states have internal predecessors, (28236), 9718 states have call successors, (9718), 1657 states have call predecessors, (9718), 1647 states have return successors, (9851), 9464 states have call predecessors, (9851), 9717 states have call successors, (9851) [2022-07-23 01:36:53,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33160 states to 33160 states and 47805 transitions. [2022-07-23 01:36:53,682 INFO L78 Accepts]: Start accepts. Automaton has 33160 states and 47805 transitions. Word has length 219 [2022-07-23 01:36:53,683 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 01:36:53,683 INFO L495 AbstractCegarLoop]: Abstraction has 33160 states and 47805 transitions. [2022-07-23 01:36:53,683 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-07-23 01:36:53,683 INFO L276 IsEmpty]: Start isEmpty. Operand 33160 states and 47805 transitions. [2022-07-23 01:36:53,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2022-07-23 01:36:53,687 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 01:36:53,687 INFO L195 NwaCegarLoop]: trace histogram [12, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2022-07-23 01:36:53,771 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2022-07-23 01:36:53,903 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-23 01:36:53,903 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 01:36:53,904 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 01:36:53,904 INFO L85 PathProgramCache]: Analyzing trace with hash -549835752, now seen corresponding path program 1 times [2022-07-23 01:36:54,085 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 01:36:54,085 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1644721955] [2022-07-23 01:36:54,085 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 01:36:54,086 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 01:36:54,086 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 01:36:54,087 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) [2022-07-23 01:36:54,090 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2022-07-23 01:36:57,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:36:57,696 INFO L263 TraceCheckSpWp]: Trace formula consists of 2414 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-23 01:36:57,700 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 01:36:59,342 INFO L134 CoverageAnalysis]: Checked inductivity of 426 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 426 trivial. 0 not checked. [2022-07-23 01:36:59,342 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-23 01:36:59,342 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-23 01:36:59,342 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1644721955] [2022-07-23 01:36:59,343 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1644721955] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 01:36:59,343 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 01:36:59,343 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-23 01:36:59,343 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1428702015] [2022-07-23 01:36:59,343 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 01:36:59,344 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-23 01:36:59,344 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-23 01:36:59,344 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-23 01:36:59,345 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-23 01:36:59,345 INFO L87 Difference]: Start difference. First operand 33160 states and 47805 transitions. Second operand has 5 states, 5 states have (on average 15.0) internal successors, (75), 3 states have internal predecessors, (75), 2 states have call successors, (23), 3 states have call predecessors, (23), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-07-23 01:37:01,654 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 01:37:01,654 INFO L93 Difference]: Finished difference Result 99586 states and 143591 transitions. [2022-07-23 01:37:01,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-23 01:37:01,655 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.0) internal successors, (75), 3 states have internal predecessors, (75), 2 states have call successors, (23), 3 states have call predecessors, (23), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 223 [2022-07-23 01:37:01,655 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 01:37:02,268 INFO L225 Difference]: With dead ends: 99586 [2022-07-23 01:37:02,268 INFO L226 Difference]: Without dead ends: 66463 [2022-07-23 01:37:02,453 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 225 GetRequests, 219 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-07-23 01:37:02,454 INFO L413 NwaCegarLoop]: 3413 mSDtfsCounter, 2784 mSDsluCounter, 9617 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2788 SdHoareTripleChecker+Valid, 13030 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-07-23 01:37:02,454 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2788 Valid, 13030 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-07-23 01:37:02,521 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66463 states. [2022-07-23 01:37:04,756 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66463 to 66356. [2022-07-23 01:37:04,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66356 states, 43587 states have (on average 1.2944226489549637) internal successors, (56420), 45167 states have internal predecessors, (56420), 19424 states have call successors, (19424), 3331 states have call predecessors, (19424), 3344 states have return successors, (19787), 18837 states have call predecessors, (19787), 19423 states have call successors, (19787) [2022-07-23 01:37:05,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66356 states to 66356 states and 95631 transitions. [2022-07-23 01:37:05,476 INFO L78 Accepts]: Start accepts. Automaton has 66356 states and 95631 transitions. Word has length 223 [2022-07-23 01:37:05,477 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 01:37:05,477 INFO L495 AbstractCegarLoop]: Abstraction has 66356 states and 95631 transitions. [2022-07-23 01:37:05,477 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.0) internal successors, (75), 3 states have internal predecessors, (75), 2 states have call successors, (23), 3 states have call predecessors, (23), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-07-23 01:37:05,477 INFO L276 IsEmpty]: Start isEmpty. Operand 66356 states and 95631 transitions. [2022-07-23 01:37:05,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2022-07-23 01:37:05,482 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 01:37:05,482 INFO L195 NwaCegarLoop]: trace histogram [12, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2022-07-23 01:37:05,559 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (12)] Forceful destruction successful, exit code 0 [2022-07-23 01:37:05,695 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-23 01:37:05,695 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 01:37:05,696 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 01:37:05,696 INFO L85 PathProgramCache]: Analyzing trace with hash -1294134928, now seen corresponding path program 1 times [2022-07-23 01:37:05,697 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 01:37:05,697 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [815353023] [2022-07-23 01:37:05,698 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 01:37:05,698 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 01:37:05,698 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 01:37:05,699 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) [2022-07-23 01:37:05,700 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2022-07-23 01:37:08,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:37:09,073 INFO L263 TraceCheckSpWp]: Trace formula consists of 2416 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-23 01:37:09,078 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 01:37:10,666 INFO L134 CoverageAnalysis]: Checked inductivity of 426 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 426 trivial. 0 not checked. [2022-07-23 01:37:10,666 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-23 01:37:10,667 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-23 01:37:10,667 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [815353023] [2022-07-23 01:37:10,667 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [815353023] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 01:37:10,667 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 01:37:10,667 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-23 01:37:10,667 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [978902134] [2022-07-23 01:37:10,667 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 01:37:10,668 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-23 01:37:10,668 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-23 01:37:10,669 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-23 01:37:10,669 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-23 01:37:10,669 INFO L87 Difference]: Start difference. First operand 66356 states and 95631 transitions. Second operand has 5 states, 5 states have (on average 15.2) internal successors, (76), 3 states have internal predecessors, (76), 2 states have call successors, (23), 3 states have call predecessors, (23), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-07-23 01:37:15,145 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 01:37:15,145 INFO L93 Difference]: Finished difference Result 199222 states and 287047 transitions. [2022-07-23 01:37:15,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-23 01:37:15,146 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.2) internal successors, (76), 3 states have internal predecessors, (76), 2 states have call successors, (23), 3 states have call predecessors, (23), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 224 [2022-07-23 01:37:15,147 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 01:37:16,356 INFO L225 Difference]: With dead ends: 199222 [2022-07-23 01:37:16,357 INFO L226 Difference]: Without dead ends: 132903 [2022-07-23 01:37:16,789 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 226 GetRequests, 220 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-07-23 01:37:16,790 INFO L413 NwaCegarLoop]: 3387 mSDtfsCounter, 2783 mSDsluCounter, 9563 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2787 SdHoareTripleChecker+Valid, 12950 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-07-23 01:37:16,790 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2787 Valid, 12950 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-07-23 01:37:16,928 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132903 states. [2022-07-23 01:37:21,290 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132903 to 132732. [2022-07-23 01:37:21,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 132732 states, 87209 states have (on average 1.2937196848949077) internal successors, (112824), 90349 states have internal predecessors, (112824), 38816 states have call successors, (38816), 6679 states have call predecessors, (38816), 6706 states have return successors, (39479), 37663 states have call predecessors, (39479), 38815 states have call successors, (39479) [2022-07-23 01:37:22,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132732 states to 132732 states and 191119 transitions. [2022-07-23 01:37:22,792 INFO L78 Accepts]: Start accepts. Automaton has 132732 states and 191119 transitions. Word has length 224 [2022-07-23 01:37:22,793 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 01:37:22,793 INFO L495 AbstractCegarLoop]: Abstraction has 132732 states and 191119 transitions. [2022-07-23 01:37:22,793 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.2) internal successors, (76), 3 states have internal predecessors, (76), 2 states have call successors, (23), 3 states have call predecessors, (23), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-07-23 01:37:22,793 INFO L276 IsEmpty]: Start isEmpty. Operand 132732 states and 191119 transitions. [2022-07-23 01:37:22,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2022-07-23 01:37:22,798 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 01:37:22,798 INFO L195 NwaCegarLoop]: trace histogram [12, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 01:37:22,872 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (13)] Forceful destruction successful, exit code 0 [2022-07-23 01:37:23,019 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-23 01:37:23,020 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 01:37:23,020 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 01:37:23,020 INFO L85 PathProgramCache]: Analyzing trace with hash 1450409627, now seen corresponding path program 1 times [2022-07-23 01:37:23,022 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 01:37:23,022 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [19148916] [2022-07-23 01:37:23,022 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 01:37:23,022 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 01:37:23,023 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 01:37:23,024 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-23 01:37:23,025 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (14)] Waiting until timeout for monitored process [2022-07-23 01:37:26,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:37:26,404 INFO L263 TraceCheckSpWp]: Trace formula consists of 2418 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-23 01:37:26,409 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 01:37:28,085 INFO L134 CoverageAnalysis]: Checked inductivity of 426 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 426 trivial. 0 not checked. [2022-07-23 01:37:28,086 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-23 01:37:28,086 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-23 01:37:28,086 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [19148916] [2022-07-23 01:37:28,086 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [19148916] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 01:37:28,086 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 01:37:28,087 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-23 01:37:28,087 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1386806719] [2022-07-23 01:37:28,087 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 01:37:28,087 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-23 01:37:28,088 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-23 01:37:28,088 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-23 01:37:28,088 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-23 01:37:28,088 INFO L87 Difference]: Start difference. First operand 132732 states and 191119 transitions. Second operand has 5 states, 5 states have (on average 15.4) internal successors, (77), 3 states have internal predecessors, (77), 2 states have call successors, (23), 3 states have call predecessors, (23), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-07-23 01:37:37,412 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 01:37:37,412 INFO L93 Difference]: Finished difference Result 398608 states and 573803 transitions. [2022-07-23 01:37:37,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-23 01:37:37,413 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.4) internal successors, (77), 3 states have internal predecessors, (77), 2 states have call successors, (23), 3 states have call predecessors, (23), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 225 [2022-07-23 01:37:37,413 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 01:37:40,129 INFO L225 Difference]: With dead ends: 398608 [2022-07-23 01:37:40,130 INFO L226 Difference]: Without dead ends: 265913 [2022-07-23 01:37:41,286 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 227 GetRequests, 221 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-07-23 01:37:41,287 INFO L413 NwaCegarLoop]: 3387 mSDtfsCounter, 2784 mSDsluCounter, 9563 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2788 SdHoareTripleChecker+Valid, 12950 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-07-23 01:37:41,287 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2788 Valid, 12950 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-07-23 01:37:41,517 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 265913 states.