./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 6c24879c Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-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-?-6c24879 [2022-07-12 14:18:10,844 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-12 14:18:10,847 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-12 14:18:10,894 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-12 14:18:10,895 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-12 14:18:10,896 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-12 14:18:10,898 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-12 14:18:10,900 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-12 14:18:10,902 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-12 14:18:10,906 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-12 14:18:10,907 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-12 14:18:10,909 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-12 14:18:10,909 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-12 14:18:10,912 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-12 14:18:10,913 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-12 14:18:10,917 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-12 14:18:10,918 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-12 14:18:10,919 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-12 14:18:10,921 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-12 14:18:10,926 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-12 14:18:10,928 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-12 14:18:10,929 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-12 14:18:10,930 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-12 14:18:10,931 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-12 14:18:10,932 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-12 14:18:10,939 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-12 14:18:10,939 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-12 14:18:10,940 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-12 14:18:10,941 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-12 14:18:10,942 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-12 14:18:10,943 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-12 14:18:10,943 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-12 14:18:10,944 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-12 14:18:10,945 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-12 14:18:10,946 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-12 14:18:10,946 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-12 14:18:10,946 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-12 14:18:10,947 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-12 14:18:10,947 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-12 14:18:10,948 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-12 14:18:10,949 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-12 14:18:10,950 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-12 14:18:10,951 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-12 14:18:10,982 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-12 14:18:10,983 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-12 14:18:10,983 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-12 14:18:10,983 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-12 14:18:10,984 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-12 14:18:10,984 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-12 14:18:10,985 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-12 14:18:10,985 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-12 14:18:10,985 INFO L138 SettingsManager]: * Use SBE=true [2022-07-12 14:18:10,986 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-12 14:18:10,986 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-12 14:18:10,987 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-12 14:18:10,987 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-12 14:18:10,987 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-12 14:18:10,987 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-12 14:18:10,987 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-12 14:18:10,988 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-12 14:18:10,988 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-12 14:18:10,988 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-12 14:18:10,989 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-12 14:18:10,990 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-12 14:18:10,990 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-12 14:18:10,990 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-12 14:18:10,990 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-12 14:18:10,990 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-12 14:18:10,991 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-12 14:18:10,991 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-12 14:18:10,991 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-12 14:18:10,991 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-12 14:18:10,991 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-12 14:18:10,992 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> aa052019b2e545fedc58252b88c286bfb7f233e130d9e12072cdb5cf6783cf5f [2022-07-12 14:18:11,194 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-12 14:18:11,219 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-12 14:18:11,221 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-12 14:18:11,222 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-12 14:18:11,227 INFO L275 PluginConnector]: CDTParser initialized [2022-07-12 14:18:11,228 INFO L432 ainManager$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 [2022-07-12 14:18:11,295 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b1a2a9933/6d02a7f1d58d4af28b870093385ee64b/FLAGe4448ec9b [2022-07-12 14:18:12,058 INFO L306 CDTParser]: Found 1 translation units. [2022-07-12 14:18:12,059 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 [2022-07-12 14:18:12,120 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b1a2a9933/6d02a7f1d58d4af28b870093385ee64b/FLAGe4448ec9b [2022-07-12 14:18:12,335 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b1a2a9933/6d02a7f1d58d4af28b870093385ee64b [2022-07-12 14:18:12,338 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-12 14:18:12,339 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-12 14:18:12,340 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-12 14:18:12,340 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-12 14:18:12,343 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-12 14:18:12,343 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 02:18:12" (1/1) ... [2022-07-12 14:18:12,344 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b99c90 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 02:18:12, skipping insertion in model container [2022-07-12 14:18:12,345 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 02:18:12" (1/1) ... [2022-07-12 14:18:12,350 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-12 14:18:12,460 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-12 14:18:14,655 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] [2022-07-12 14:18:14,734 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 14:18:14,781 INFO L203 MainTranslator]: Completed pre-run [2022-07-12 14:18:15,014 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) [2022-07-12 14:18:15,023 INFO L158 Benchmark]: Toolchain (without parser) took 2683.16ms. Allocated memory was 88.1MB in the beginning and 117.4MB in the end (delta: 29.4MB). Free memory was 61.4MB in the beginning and 48.1MB in the end (delta: 13.3MB). Peak memory consumption was 83.9MB. Max. memory is 16.1GB. [2022-07-12 14:18:15,024 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 88.1MB. Free memory is still 42.8MB. There was no memory consumed. Max. memory is 16.1GB. [2022-07-12 14:18:15,026 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2681.37ms. Allocated memory was 88.1MB in the beginning and 117.4MB in the end (delta: 29.4MB). Free memory was 61.4MB in the beginning and 48.1MB in the end (delta: 13.3MB). Peak memory consumption was 83.9MB. Max. memory is 16.1GB. [2022-07-12 14:18:15,027 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 88.1MB. Free memory is still 42.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2681.37ms. Allocated memory was 88.1MB in the beginning and 117.4MB in the end (delta: 29.4MB). Free memory was 61.4MB in the beginning and 48.1MB in the end (delta: 13.3MB). Peak memory consumption was 83.9MB. 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-?-6c24879 [2022-07-12 14:18:16,873 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-12 14:18:16,875 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-12 14:18:16,928 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-12 14:18:16,929 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-12 14:18:16,930 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-12 14:18:16,934 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-12 14:18:16,937 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-12 14:18:16,939 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-12 14:18:16,944 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-12 14:18:16,945 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-12 14:18:16,947 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-12 14:18:16,947 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-12 14:18:16,949 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-12 14:18:16,950 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-12 14:18:16,954 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-12 14:18:16,954 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-12 14:18:16,955 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-12 14:18:16,957 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-12 14:18:16,962 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-12 14:18:16,963 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-12 14:18:16,964 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-12 14:18:16,966 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-12 14:18:16,967 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-12 14:18:16,968 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-12 14:18:16,971 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-12 14:18:16,972 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-12 14:18:16,972 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-12 14:18:16,973 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-12 14:18:16,973 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-12 14:18:16,974 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-12 14:18:16,974 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-12 14:18:16,976 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-12 14:18:16,977 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-12 14:18:16,978 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-12 14:18:16,979 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-12 14:18:16,979 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-12 14:18:16,980 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-12 14:18:16,980 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-12 14:18:16,980 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-12 14:18:16,981 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-12 14:18:16,982 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-12 14:18:16,987 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-07-12 14:18:17,022 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-12 14:18:17,023 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-12 14:18:17,023 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-12 14:18:17,024 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-12 14:18:17,025 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-12 14:18:17,025 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-12 14:18:17,026 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-12 14:18:17,026 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-12 14:18:17,026 INFO L138 SettingsManager]: * Use SBE=true [2022-07-12 14:18:17,027 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-12 14:18:17,027 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-12 14:18:17,027 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-12 14:18:17,028 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-12 14:18:17,028 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-12 14:18:17,028 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-07-12 14:18:17,028 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-07-12 14:18:17,029 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-07-12 14:18:17,029 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-12 14:18:17,029 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-12 14:18:17,029 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-12 14:18:17,030 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-12 14:18:17,030 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-12 14:18:17,030 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-12 14:18:17,030 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-12 14:18:17,030 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-12 14:18:17,031 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-12 14:18:17,031 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-12 14:18:17,031 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-07-12 14:18:17,031 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-07-12 14:18:17,031 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-12 14:18:17,032 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-12 14:18:17,032 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-12 14:18:17,032 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-07-12 14:18:17,032 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> aa052019b2e545fedc58252b88c286bfb7f233e130d9e12072cdb5cf6783cf5f [2022-07-12 14:18:17,325 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-12 14:18:17,350 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-12 14:18:17,353 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-12 14:18:17,354 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-12 14:18:17,354 INFO L275 PluginConnector]: CDTParser initialized [2022-07-12 14:18:17,356 INFO L432 ainManager$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 [2022-07-12 14:18:17,421 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/37e5ce33d/d35352cbb93e41ca98e4a22a029a4961/FLAGd555b3b42 [2022-07-12 14:18:18,136 INFO L306 CDTParser]: Found 1 translation units. [2022-07-12 14:18:18,137 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 [2022-07-12 14:18:18,185 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/37e5ce33d/d35352cbb93e41ca98e4a22a029a4961/FLAGd555b3b42 [2022-07-12 14:18:18,415 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/37e5ce33d/d35352cbb93e41ca98e4a22a029a4961 [2022-07-12 14:18:18,418 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-12 14:18:18,419 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-12 14:18:18,421 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-12 14:18:18,421 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-12 14:18:18,424 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-12 14:18:18,425 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 02:18:18" (1/1) ... [2022-07-12 14:18:18,426 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@64fb1238 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 02:18:18, skipping insertion in model container [2022-07-12 14:18:18,426 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 02:18:18" (1/1) ... [2022-07-12 14:18:18,432 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-12 14:18:18,573 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-12 14:18:20,340 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] [2022-07-12 14:18:20,413 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 14:18:20,485 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-07-12 14:18:20,530 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-12 14:18:20,835 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] [2022-07-12 14:18:20,842 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 14:18:20,871 INFO L203 MainTranslator]: Completed pre-run [2022-07-12 14:18:21,159 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] [2022-07-12 14:18:21,164 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 14:18:21,353 INFO L208 MainTranslator]: Completed translation [2022-07-12 14:18:21,354 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 02:18:21 WrapperNode [2022-07-12 14:18:21,354 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-12 14:18:21,355 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-12 14:18:21,356 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-12 14:18:21,356 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-12 14:18:21,362 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 02:18:21" (1/1) ... [2022-07-12 14:18:21,446 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 02:18:21" (1/1) ... [2022-07-12 14:18:21,573 INFO L137 Inliner]: procedures = 308, calls = 2066, calls flagged for inlining = 144, calls inlined = 138, statements flattened = 4624 [2022-07-12 14:18:21,574 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-12 14:18:21,575 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-12 14:18:21,575 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-12 14:18:21,575 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-12 14:18:21,583 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 02:18:21" (1/1) ... [2022-07-12 14:18:21,583 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 02:18:21" (1/1) ... [2022-07-12 14:18:21,610 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 02:18:21" (1/1) ... [2022-07-12 14:18:21,611 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 02:18:21" (1/1) ... [2022-07-12 14:18:21,763 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 02:18:21" (1/1) ... [2022-07-12 14:18:21,792 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 02:18:21" (1/1) ... [2022-07-12 14:18:21,823 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 02:18:21" (1/1) ... [2022-07-12 14:18:21,859 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-12 14:18:21,861 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-12 14:18:21,861 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-12 14:18:21,862 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-12 14:18:21,863 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 02:18:21" (1/1) ... [2022-07-12 14:18:21,869 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-12 14:18:21,878 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-12 14:18:21,893 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-07-12 14:18:21,906 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-07-12 14:18:21,936 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-07-12 14:18:21,937 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_resume [2022-07-12 14:18:21,937 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_resume [2022-07-12 14:18:21,937 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_shutdown_7 [2022-07-12 14:18:21,937 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_shutdown_7 [2022-07-12 14:18:21,937 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-07-12 14:18:21,937 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unregister_driver [2022-07-12 14:18:21,937 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unregister_driver [2022-07-12 14:18:21,938 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-07-12 14:18:21,938 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-07-12 14:18:21,938 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-07-12 14:18:21,938 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-07-12 14:18:21,938 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-12 14:18:21,938 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-12 14:18:21,938 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-07-12 14:18:21,939 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-07-12 14:18:21,939 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-07-12 14:18:21,939 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-07-12 14:18:21,939 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_mii_write_reg [2022-07-12 14:18:21,939 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_mii_write_reg [2022-07-12 14:18:21,939 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-07-12 14:18:21,939 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-07-12 14:18:21,940 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2022-07-12 14:18:21,940 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2022-07-12 14:18:21,940 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_ee_read_byte [2022-07-12 14:18:21,940 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_ee_read_byte [2022-07-12 14:18:21,940 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-12 14:18:21,940 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-12 14:18:21,940 INFO L130 BoogieDeclarations]: Found specification of procedure slow_down_io [2022-07-12 14:18:21,941 INFO L138 BoogieDeclarations]: Found implementation of procedure slow_down_io [2022-07-12 14:18:21,941 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_handle_interrupt [2022-07-12 14:18:21,941 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_handle_interrupt [2022-07-12 14:18:21,941 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_start [2022-07-12 14:18:21,941 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_start [2022-07-12 14:18:21,942 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_dio_read8 [2022-07-12 14:18:21,942 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_dio_read8 [2022-07-12 14:18:21,942 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-07-12 14:18:21,942 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-07-12 14:18:21,942 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2022-07-12 14:18:21,943 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2022-07-12 14:18:21,943 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2022-07-12 14:18:21,943 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2022-07-12 14:18:21,943 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_2 [2022-07-12 14:18:21,943 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_2 [2022-07-12 14:18:21,943 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-07-12 14:18:21,943 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-07-12 14:18:21,944 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2022-07-12 14:18:21,944 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2022-07-12 14:18:21,945 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-12 14:18:21,945 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-12 14:18:21,945 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_read_and_clear_stats [2022-07-12 14:18:21,945 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_read_and_clear_stats [2022-07-12 14:18:21,946 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_ioctl [2022-07-12 14:18:21,946 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_ioctl [2022-07-12 14:18:21,946 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-07-12 14:18:21,946 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-07-12 14:18:21,946 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-07-12 14:18:21,947 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-07-12 14:18:21,947 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb_ip_align [2022-07-12 14:18:21,947 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb_ip_align [2022-07-12 14:18:21,947 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_mii_sync [2022-07-12 14:18:21,947 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_mii_sync [2022-07-12 14:18:21,947 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-12 14:18:21,948 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_set_multicast_list [2022-07-12 14:18:21,948 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_set_multicast_list [2022-07-12 14:18:21,948 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-07-12 14:18:21,948 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-07-12 14:18:21,948 INFO L130 BoogieDeclarations]: Found specification of procedure eth_mac_addr [2022-07-12 14:18:21,948 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_mac_addr [2022-07-12 14:18:21,948 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-12 14:18:21,949 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-07-12 14:18:21,949 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-07-12 14:18:21,949 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2022-07-12 14:18:21,949 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2022-07-12 14:18:21,950 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-07-12 14:18:21,950 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-07-12 14:18:21,950 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_get_stats [2022-07-12 14:18:21,950 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_get_stats [2022-07-12 14:18:21,950 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-07-12 14:18:21,950 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-07-12 14:18:21,950 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2022-07-12 14:18:21,951 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2022-07-12 14:18:21,951 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-07-12 14:18:21,951 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-07-12 14:18:21,951 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2022-07-12 14:18:21,952 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2022-07-12 14:18:21,952 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2022-07-12 14:18:21,952 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-07-12 14:18:21,953 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-07-12 14:18:21,953 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-12 14:18:21,953 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-07-12 14:18:21,953 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-12 14:18:21,954 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2022-07-12 14:18:21,954 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-07-12 14:18:21,954 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-07-12 14:18:21,954 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2022-07-12 14:18:21,954 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_print_list [2022-07-12 14:18:21,954 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_print_list [2022-07-12 14:18:21,955 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2022-07-12 14:18:21,955 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2022-07-12 14:18:21,955 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_dio_write16 [2022-07-12 14:18:21,955 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_dio_write16 [2022-07-12 14:18:21,955 INFO L130 BoogieDeclarations]: Found specification of procedure outw [2022-07-12 14:18:21,955 INFO L138 BoogieDeclarations]: Found implementation of procedure outw [2022-07-12 14:18:21,955 INFO L130 BoogieDeclarations]: Found specification of procedure eth_change_mtu [2022-07-12 14:18:21,956 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_change_mtu [2022-07-12 14:18:21,956 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-07-12 14:18:21,956 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-07-12 14:18:21,956 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2022-07-12 14:18:21,956 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2022-07-12 14:18:21,957 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-07-12 14:18:21,957 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-07-12 14:18:21,959 INFO L130 BoogieDeclarations]: Found specification of procedure outl [2022-07-12 14:18:21,959 INFO L138 BoogieDeclarations]: Found implementation of procedure outl [2022-07-12 14:18:21,960 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_reset_lists [2022-07-12 14:18:21,960 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_reset_lists [2022-07-12 14:18:21,961 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_finish_reset [2022-07-12 14:18:21,962 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_finish_reset [2022-07-12 14:18:21,962 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-07-12 14:18:21,962 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-07-12 14:18:21,962 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_phy_print [2022-07-12 14:18:21,967 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_phy_print [2022-07-12 14:18:21,967 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_dio_write32 [2022-07-12 14:18:21,968 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_dio_write32 [2022-07-12 14:18:21,968 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_probe1 [2022-07-12 14:18:21,968 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_probe1 [2022-07-12 14:18:21,968 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-07-12 14:18:21,968 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-07-12 14:18:21,968 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_tx_timeout_work [2022-07-12 14:18:21,968 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_tx_timeout_work [2022-07-12 14:18:21,968 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-07-12 14:18:21,969 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-07-12 14:18:21,969 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2022-07-12 14:18:21,969 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2022-07-12 14:18:21,969 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-07-12 14:18:21,969 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-07-12 14:18:21,969 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-07-12 14:18:21,969 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-07-12 14:18:21,969 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_set_timer [2022-07-12 14:18:21,970 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_set_timer [2022-07-12 14:18:21,970 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_stop [2022-07-12 14:18:21,970 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_stop [2022-07-12 14:18:21,970 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_set_mac [2022-07-12 14:18:21,970 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_set_mac [2022-07-12 14:18:21,970 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2022-07-12 14:18:21,971 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2022-07-12 14:18:21,971 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_ee_send_start [2022-07-12 14:18:21,971 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_ee_send_start [2022-07-12 14:18:21,971 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_dio_read32 [2022-07-12 14:18:21,971 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_dio_read32 [2022-07-12 14:18:21,971 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2022-07-12 14:18:21,971 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2022-07-12 14:18:21,971 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-07-12 14:18:21,971 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-07-12 14:18:21,972 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_remove_one [2022-07-12 14:18:21,972 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_remove_one [2022-07-12 14:18:21,972 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_get_skb [2022-07-12 14:18:21,972 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_get_skb [2022-07-12 14:18:21,972 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_dio_write8 [2022-07-12 14:18:21,972 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_dio_write8 [2022-07-12 14:18:21,972 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-12 14:18:21,972 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-12 14:18:21,973 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_phy_power_down [2022-07-12 14:18:21,973 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_phy_power_down [2022-07-12 14:18:21,973 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_ee_send_byte [2022-07-12 14:18:21,973 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_ee_send_byte [2022-07-12 14:18:21,973 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2022-07-12 14:18:21,973 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2022-07-12 14:18:21,973 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-12 14:18:21,973 INFO L130 BoogieDeclarations]: Found specification of procedure inb_p [2022-07-12 14:18:21,973 INFO L138 BoogieDeclarations]: Found implementation of procedure inb_p [2022-07-12 14:18:21,974 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2022-07-12 14:18:21,974 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2022-07-12 14:18:21,974 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_3 [2022-07-12 14:18:21,974 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_3 [2022-07-12 14:18:21,974 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_poll [2022-07-12 14:18:21,974 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_poll [2022-07-12 14:18:21,974 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2022-07-12 14:18:21,974 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2022-07-12 14:18:21,975 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-12 14:18:21,975 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_reset_adapter [2022-07-12 14:18:21,975 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_reset_adapter [2022-07-12 14:18:21,975 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2022-07-12 14:18:21,975 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2022-07-12 14:18:21,975 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-07-12 14:18:21,975 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-07-12 14:18:21,975 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-12 14:18:21,976 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-07-12 14:18:21,976 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2022-07-12 14:18:21,976 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2022-07-12 14:18:21,976 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_mii_send_data [2022-07-12 14:18:21,976 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_mii_send_data [2022-07-12 14:18:21,976 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_3 [2022-07-12 14:18:21,976 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_3 [2022-07-12 14:18:21,976 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_mii_read_reg [2022-07-12 14:18:21,976 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_mii_read_reg [2022-07-12 14:18:21,977 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_free_lists [2022-07-12 14:18:21,977 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_free_lists [2022-07-12 14:18:21,977 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_resume_early_7 [2022-07-12 14:18:21,977 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_resume_early_7 [2022-07-12 14:18:21,977 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2022-07-12 14:18:21,977 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2022-07-12 14:18:21,977 INFO L130 BoogieDeclarations]: Found specification of procedure outb_p [2022-07-12 14:18:21,977 INFO L138 BoogieDeclarations]: Found implementation of procedure outb_p [2022-07-12 14:18:21,978 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2022-07-12 14:18:21,978 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2022-07-12 14:18:21,978 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~C_ULONG~TO~VOID [2022-07-12 14:18:21,978 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~C_ULONG~TO~VOID [2022-07-12 14:18:21,978 INFO L130 BoogieDeclarations]: Found specification of procedure inl [2022-07-12 14:18:21,978 INFO L138 BoogieDeclarations]: Found implementation of procedure inl [2022-07-12 14:18:21,978 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_store_skb [2022-07-12 14:18:21,978 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_store_skb [2022-07-12 14:18:21,978 INFO L130 BoogieDeclarations]: Found specification of procedure __request_region [2022-07-12 14:18:21,979 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_tx_timeout [2022-07-12 14:18:21,979 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_tx_timeout [2022-07-12 14:18:21,979 INFO L130 BoogieDeclarations]: Found specification of procedure inw [2022-07-12 14:18:21,979 INFO L138 BoogieDeclarations]: Found implementation of procedure inw [2022-07-12 14:18:21,979 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2022-07-12 14:18:21,979 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2022-07-12 14:18:21,979 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-12 14:18:21,979 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-12 14:18:21,980 INFO L130 BoogieDeclarations]: Found specification of procedure preempt_count [2022-07-12 14:18:21,980 INFO L138 BoogieDeclarations]: Found implementation of procedure preempt_count [2022-07-12 14:18:22,703 INFO L234 CfgBuilder]: Building ICFG [2022-07-12 14:18:22,711 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-12 14:18:31,261 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-12 14:19:05,254 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; [2022-07-12 14:19:05,255 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 [2022-07-12 14:19:05,255 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L7042: assume 4366bv32 != ~zero_extendFrom16To32(tlan_eisa_probe_~tmp___2~2#1); [2022-07-12 14:19:05,255 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L7042: assume !(4366bv32 != ~zero_extendFrom16To32(tlan_eisa_probe_~tmp___2~2#1)); [2022-07-12 14:19:05,255 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 [2022-07-12 14:19:05,256 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; [2022-07-12 14:19:05,256 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 [2022-07-12 14:19:05,256 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); [2022-07-12 14:19:05,256 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)); [2022-07-12 14:19:05,256 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 [2022-07-12 14:19:05,256 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; [2022-07-12 14:19:05,256 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 [2022-07-12 14:19:05,257 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L7054: assume 1bv32 != ~zero_extendFrom8To32(tlan_eisa_probe_~tmp___3~1#1); [2022-07-12 14:19:05,257 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L7054: assume !(1bv32 != ~zero_extendFrom8To32(tlan_eisa_probe_~tmp___3~1#1)); [2022-07-12 14:19:05,257 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L7055-1: assume 16bv32 == ~debug~0;havoc tlan_eisa_probe_#t~nondet328#1; [2022-07-12 14:19:05,257 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L7055-1: assume !(16bv32 == ~debug~0); [2022-07-12 14:19:05,257 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 [2022-07-12 14:19:05,257 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L7059: assume 16bv32 == ~debug~0;havoc tlan_eisa_probe_#t~nondet323#1; [2022-07-12 14:19:05,258 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L7059: assume !(16bv32 == ~debug~0); [2022-07-12 14:19:05,258 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 [2022-07-12 14:19:05,258 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); [2022-07-12 14:19:05,258 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L7064: havoc tlan_eisa_probe_#t~switch325#1; [2022-07-12 14:19:05,258 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L7065: assume tlan_eisa_probe_#t~switch325#1;tlan_eisa_probe_~irq~0#1 := 5bv32; [2022-07-12 14:19:05,258 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); [2022-07-12 14:19:05,259 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L7068: assume tlan_eisa_probe_#t~switch325#1;tlan_eisa_probe_~irq~0#1 := 9bv32; [2022-07-12 14:19:05,259 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); [2022-07-12 14:19:05,259 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L7071: assume tlan_eisa_probe_#t~switch325#1;tlan_eisa_probe_~irq~0#1 := 10bv32; [2022-07-12 14:19:05,259 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); [2022-07-12 14:19:05,259 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L7074: assume tlan_eisa_probe_#t~switch325#1;tlan_eisa_probe_~irq~0#1 := 11bv32; [2022-07-12 14:19:05,259 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L7074: assume !tlan_eisa_probe_#t~switch325#1;tlan_eisa_probe_#t~switch325#1 := true; [2022-07-12 14:19:05,259 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L7077: assume tlan_eisa_probe_#t~switch325#1; [2022-07-12 14:19:05,260 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L7077: assume !tlan_eisa_probe_#t~switch325#1; [2022-07-12 14:19:05,260 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L7078: assume 16bv32 == ~debug~0;havoc tlan_eisa_probe_#t~nondet327#1; [2022-07-12 14:19:05,260 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L7078: assume !(16bv32 == ~debug~0); [2022-07-12 14:19:05,260 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 [2022-07-12 14:19:05,260 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; [2022-07-12 14:19:05,260 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L7021-1: assume 0bv32 != ~bvand32(16bv32, ~debug~0); [2022-07-12 14:19:05,261 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L7021-1: assume !(0bv32 != ~bvand32(16bv32, ~debug~0)); [2022-07-12 14:19:05,261 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 [2022-07-12 14:19:05,261 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; [2022-07-12 14:19:05,261 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L7090-1: tlan_eisa_probe_~ioaddr~0#1 := ~bvadd64(4096bv64, tlan_eisa_probe_~ioaddr~0#1); [2022-07-12 14:19:05,261 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L7026-1: assume 0bv32 != ~bvand32(16bv32, ~debug~0);havoc tlan_eisa_probe_#t~nondet318#1; [2022-07-12 14:19:05,261 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L7026-1: assume !(0bv32 != ~bvand32(16bv32, ~debug~0)); [2022-07-12 14:19:05,262 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; [2022-07-12 14:19:05,262 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 [2022-07-12 14:19:05,262 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; [2022-07-12 14:19:05,262 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L7097: assume ~bvsle64(tlan_eisa_probe_~ioaddr~0#1, 36863bv64); [2022-07-12 14:19:05,262 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L7097: assume !~bvsle64(tlan_eisa_probe_~ioaddr~0#1, 36863bv64); [2022-07-12 14:19:05,262 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L7099: assume 0bv32 != ~bvand32(16bv32, ~debug~0); [2022-07-12 14:19:05,262 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L7099: assume !(0bv32 != ~bvand32(16bv32, ~debug~0)); [2022-07-12 14:19:05,263 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); [2022-07-12 14:19:05,263 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)); [2022-07-12 14:19:05,391 INFO L275 CfgBuilder]: Performing block encoding [2022-07-12 14:19:05,410 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-12 14:19:05,411 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-07-12 14:19:05,417 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.07 02:19:05 BoogieIcfgContainer [2022-07-12 14:19:05,417 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-12 14:19:05,419 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-12 14:19:05,419 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-12 14:19:05,422 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-12 14:19:05,422 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.07 02:18:18" (1/3) ... [2022-07-12 14:19:05,423 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@54471043 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.07 02:19:05, skipping insertion in model container [2022-07-12 14:19:05,423 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 02:18:21" (2/3) ... [2022-07-12 14:19:05,423 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@54471043 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.07 02:19:05, skipping insertion in model container [2022-07-12 14:19:05,424 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.07 02:19:05" (3/3) ... [2022-07-12 14:19:05,425 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--ti--tlan.ko-entry_point.cil.out.i [2022-07-12 14:19:05,437 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-12 14:19:05,438 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-12 14:19:05,534 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-12 14:19:05,541 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@716ef843, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@6bbc0c00 [2022-07-12 14:19:05,542 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-12 14:19:05,553 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) [2022-07-12 14:19:05,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2022-07-12 14:19:05,592 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 14:19:05,593 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] [2022-07-12 14:19:05,597 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 14:19:05,602 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 14:19:05,603 INFO L85 PathProgramCache]: Analyzing trace with hash 112556324, now seen corresponding path program 1 times [2022-07-12 14:19:05,619 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 14:19:05,620 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1922483473] [2022-07-12 14:19:05,620 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 14:19:05,621 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 14:19:05,621 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 14:19:05,627 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-12 14:19:05,731 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-07-12 14:19:08,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:19:08,350 INFO L263 TraceCheckSpWp]: Trace formula consists of 2304 conjuncts, 5 conjunts are in the unsatisfiable core [2022-07-12 14:19:08,367 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 14:19:08,712 INFO L134 CoverageAnalysis]: Checked inductivity of 324 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 306 trivial. 0 not checked. [2022-07-12 14:19:08,712 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 14:19:08,713 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 14:19:08,713 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1922483473] [2022-07-12 14:19:08,714 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1922483473] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 14:19:08,714 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 14:19:08,714 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-12 14:19:08,715 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1031486177] [2022-07-12 14:19:08,716 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 14:19:08,720 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-12 14:19:08,720 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 14:19:08,749 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-12 14:19:08,750 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-12 14:19:08,759 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) [2022-07-12 14:19:09,510 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 14:19:09,510 INFO L93 Difference]: Finished difference Result 4047 states and 5868 transitions. [2022-07-12 14:19:09,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-12 14:19:09,514 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 [2022-07-12 14:19:09,515 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 14:19:09,553 INFO L225 Difference]: With dead ends: 4047 [2022-07-12 14:19:09,554 INFO L226 Difference]: Without dead ends: 1983 [2022-07-12 14:19:09,579 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 191 GetRequests, 185 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-07-12 14:19:09,584 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, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-07-12 14:19:09,586 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 14479 Invalid, 48 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-07-12 14:19:09,606 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1983 states. [2022-07-12 14:19:09,753 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1983 to 1983. [2022-07-12 14:19:09,759 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) [2022-07-12 14:19:09,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1983 states to 1983 states and 2850 transitions. [2022-07-12 14:19:09,786 INFO L78 Accepts]: Start accepts. Automaton has 1983 states and 2850 transitions. Word has length 190 [2022-07-12 14:19:09,788 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 14:19:09,788 INFO L495 AbstractCegarLoop]: Abstraction has 1983 states and 2850 transitions. [2022-07-12 14:19:09,789 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) [2022-07-12 14:19:09,789 INFO L276 IsEmpty]: Start isEmpty. Operand 1983 states and 2850 transitions. [2022-07-12 14:19:09,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2022-07-12 14:19:09,798 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 14:19:09,799 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] [2022-07-12 14:19:09,878 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-07-12 14:19:10,019 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 14:19:10,020 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 14:19:10,020 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 14:19:10,021 INFO L85 PathProgramCache]: Analyzing trace with hash 398062803, now seen corresponding path program 1 times [2022-07-12 14:19:10,024 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 14:19:10,024 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [818662381] [2022-07-12 14:19:10,024 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 14:19:10,024 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 14:19:10,025 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 14:19:10,026 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-12 14:19:10,027 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-07-12 14:19:12,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:19:12,782 INFO L263 TraceCheckSpWp]: Trace formula consists of 2337 conjuncts, 6 conjunts are in the unsatisfiable core [2022-07-12 14:19:12,797 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 14:19:13,130 INFO L134 CoverageAnalysis]: Checked inductivity of 336 backedges. 24 proven. 1 refuted. 0 times theorem prover too weak. 311 trivial. 0 not checked. [2022-07-12 14:19:13,130 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-12 14:19:14,308 INFO L134 CoverageAnalysis]: Checked inductivity of 336 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 315 trivial. 0 not checked. [2022-07-12 14:19:14,309 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 14:19:14,309 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [818662381] [2022-07-12 14:19:14,309 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [818662381] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-12 14:19:14,309 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-07-12 14:19:14,310 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 11 [2022-07-12 14:19:14,310 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1775181923] [2022-07-12 14:19:14,310 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-07-12 14:19:14,313 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-07-12 14:19:14,317 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 14:19:14,318 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-07-12 14:19:14,318 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2022-07-12 14:19:14,318 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) [2022-07-12 14:19:15,214 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 14:19:15,214 INFO L93 Difference]: Finished difference Result 3954 states and 5684 transitions. [2022-07-12 14:19:15,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-07-12 14:19:15,216 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 [2022-07-12 14:19:15,216 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 14:19:15,233 INFO L225 Difference]: With dead ends: 3954 [2022-07-12 14:19:15,234 INFO L226 Difference]: Without dead ends: 1986 [2022-07-12 14:19:15,248 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 [2022-07-12 14:19:15,249 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, 0.5s IncrementalHoareTripleChecker+Time [2022-07-12 14:19:15,249 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 19852 Invalid, 87 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 83 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-07-12 14:19:15,253 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1986 states. [2022-07-12 14:19:15,310 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1986 to 1984. [2022-07-12 14:19:15,314 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) [2022-07-12 14:19:15,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1984 states to 1984 states and 2852 transitions. [2022-07-12 14:19:15,333 INFO L78 Accepts]: Start accepts. Automaton has 1984 states and 2852 transitions. Word has length 193 [2022-07-12 14:19:15,333 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 14:19:15,334 INFO L495 AbstractCegarLoop]: Abstraction has 1984 states and 2852 transitions. [2022-07-12 14:19:15,334 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) [2022-07-12 14:19:15,334 INFO L276 IsEmpty]: Start isEmpty. Operand 1984 states and 2852 transitions. [2022-07-12 14:19:15,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2022-07-12 14:19:15,339 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 14:19:15,339 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] [2022-07-12 14:19:15,422 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-07-12 14:19:15,559 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 14:19:15,560 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 14:19:15,560 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 14:19:15,560 INFO L85 PathProgramCache]: Analyzing trace with hash 687295633, now seen corresponding path program 1 times [2022-07-12 14:19:15,564 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 14:19:15,564 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1841048839] [2022-07-12 14:19:15,564 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 14:19:15,564 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 14:19:15,564 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 14:19:15,566 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-12 14:19:15,569 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-07-12 14:19:18,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:19:18,199 INFO L263 TraceCheckSpWp]: Trace formula consists of 2357 conjuncts, 7 conjunts are in the unsatisfiable core [2022-07-12 14:19:18,204 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 14:19:18,534 INFO L134 CoverageAnalysis]: Checked inductivity of 357 backedges. 34 proven. 3 refuted. 0 times theorem prover too weak. 320 trivial. 0 not checked. [2022-07-12 14:19:18,535 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-12 14:19:19,859 INFO L134 CoverageAnalysis]: Checked inductivity of 357 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 324 trivial. 0 not checked. [2022-07-12 14:19:19,859 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 14:19:19,860 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1841048839] [2022-07-12 14:19:19,860 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1841048839] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-12 14:19:19,860 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-07-12 14:19:19,860 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 13 [2022-07-12 14:19:19,860 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2053460816] [2022-07-12 14:19:19,861 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-07-12 14:19:19,861 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-07-12 14:19:19,861 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 14:19:19,862 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-07-12 14:19:19,862 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2022-07-12 14:19:19,862 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) [2022-07-12 14:19:21,009 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 14:19:21,010 INFO L93 Difference]: Finished difference Result 3958 states and 5690 transitions. [2022-07-12 14:19:21,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-07-12 14:19:21,011 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 [2022-07-12 14:19:21,012 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 14:19:21,028 INFO L225 Difference]: With dead ends: 3958 [2022-07-12 14:19:21,029 INFO L226 Difference]: Without dead ends: 1989 [2022-07-12 14:19:21,044 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 [2022-07-12 14:19:21,045 INFO L413 NwaCegarLoop]: 2841 mSDtfsCounter, 23 mSDsluCounter, 17023 mSDsCounter, 0 mSdLazyCounter, 103 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s 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, 0.7s IncrementalHoareTripleChecker+Time [2022-07-12 14:19:21,046 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [25 Valid, 19864 Invalid, 112 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 103 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-07-12 14:19:21,049 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1989 states. [2022-07-12 14:19:21,168 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1989 to 1985. [2022-07-12 14:19:21,172 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) [2022-07-12 14:19:21,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1985 states to 1985 states and 2854 transitions. [2022-07-12 14:19:21,187 INFO L78 Accepts]: Start accepts. Automaton has 1985 states and 2854 transitions. Word has length 202 [2022-07-12 14:19:21,187 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 14:19:21,188 INFO L495 AbstractCegarLoop]: Abstraction has 1985 states and 2854 transitions. [2022-07-12 14:19:21,188 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) [2022-07-12 14:19:21,188 INFO L276 IsEmpty]: Start isEmpty. Operand 1985 states and 2854 transitions. [2022-07-12 14:19:21,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2022-07-12 14:19:21,194 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 14:19:21,194 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] [2022-07-12 14:19:21,278 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-07-12 14:19:21,407 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 14:19:21,408 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 14:19:21,410 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 14:19:21,410 INFO L85 PathProgramCache]: Analyzing trace with hash -956355392, now seen corresponding path program 2 times [2022-07-12 14:19:21,412 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 14:19:21,413 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [952059835] [2022-07-12 14:19:21,413 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-07-12 14:19:21,413 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 14:19:21,413 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 14:19:21,414 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-12 14:19:21,415 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-07-12 14:19:23,065 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-07-12 14:19:23,066 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-12 14:19:23,177 INFO L263 TraceCheckSpWp]: Trace formula consists of 1898 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-12 14:19:23,183 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 14:19:23,256 INFO L134 CoverageAnalysis]: Checked inductivity of 387 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 387 trivial. 0 not checked. [2022-07-12 14:19:23,256 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 14:19:23,256 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 14:19:23,256 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [952059835] [2022-07-12 14:19:23,256 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [952059835] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 14:19:23,256 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 14:19:23,257 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-12 14:19:23,257 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [882641343] [2022-07-12 14:19:23,257 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 14:19:23,257 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-12 14:19:23,257 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 14:19:23,258 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-12 14:19:23,258 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 14:19:23,258 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) [2022-07-12 14:19:24,150 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 14:19:24,150 INFO L93 Difference]: Finished difference Result 5624 states and 8076 transitions. [2022-07-12 14:19:24,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-12 14:19:24,151 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 [2022-07-12 14:19:24,152 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 14:19:24,190 INFO L225 Difference]: With dead ends: 5624 [2022-07-12 14:19:24,190 INFO L226 Difference]: Without dead ends: 3668 [2022-07-12 14:19:24,207 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 [2022-07-12 14:19:24,209 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 [2022-07-12 14:19:24,210 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] [2022-07-12 14:19:24,218 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3668 states. [2022-07-12 14:19:24,367 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3668 to 3652. [2022-07-12 14:19:24,374 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) [2022-07-12 14:19:24,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3652 states to 3652 states and 5242 transitions. [2022-07-12 14:19:24,404 INFO L78 Accepts]: Start accepts. Automaton has 3652 states and 5242 transitions. Word has length 205 [2022-07-12 14:19:24,406 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 14:19:24,406 INFO L495 AbstractCegarLoop]: Abstraction has 3652 states and 5242 transitions. [2022-07-12 14:19:24,406 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) [2022-07-12 14:19:24,406 INFO L276 IsEmpty]: Start isEmpty. Operand 3652 states and 5242 transitions. [2022-07-12 14:19:24,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-07-12 14:19:24,410 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 14:19:24,411 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] [2022-07-12 14:19:24,474 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2022-07-12 14:19:24,626 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 14:19:24,627 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 14:19:24,627 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 14:19:24,627 INFO L85 PathProgramCache]: Analyzing trace with hash -323456461, now seen corresponding path program 2 times [2022-07-12 14:19:24,629 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 14:19:24,629 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1827914747] [2022-07-12 14:19:24,629 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-07-12 14:19:24,630 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 14:19:24,630 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 14:19:24,632 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-12 14:19:24,635 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-07-12 14:19:26,423 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-07-12 14:19:26,423 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-12 14:19:26,531 INFO L263 TraceCheckSpWp]: Trace formula consists of 1911 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-12 14:19:26,535 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 14:19:26,647 INFO L134 CoverageAnalysis]: Checked inductivity of 387 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 387 trivial. 0 not checked. [2022-07-12 14:19:26,647 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 14:19:26,648 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 14:19:26,648 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1827914747] [2022-07-12 14:19:26,648 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1827914747] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 14:19:26,648 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 14:19:26,648 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-12 14:19:26,649 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [332898548] [2022-07-12 14:19:26,649 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 14:19:26,649 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-12 14:19:26,649 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 14:19:26,650 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-12 14:19:26,650 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 14:19:26,650 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) [2022-07-12 14:19:27,117 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 14:19:27,118 INFO L93 Difference]: Finished difference Result 10872 states and 15652 transitions. [2022-07-12 14:19:27,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-12 14:19:27,118 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 [2022-07-12 14:19:27,119 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 14:19:27,185 INFO L225 Difference]: With dead ends: 10872 [2022-07-12 14:19:27,185 INFO L226 Difference]: Without dead ends: 7249 [2022-07-12 14:19:27,218 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 [2022-07-12 14:19:27,219 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, 0.3s IncrementalHoareTripleChecker+Time [2022-07-12 14:19:27,219 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2814 Valid, 6200 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-07-12 14:19:27,229 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7249 states. [2022-07-12 14:19:27,537 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7249 to 7241. [2022-07-12 14:19:27,553 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) [2022-07-12 14:19:27,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7241 states to 7241 states and 10410 transitions. [2022-07-12 14:19:27,669 INFO L78 Accepts]: Start accepts. Automaton has 7241 states and 10410 transitions. Word has length 199 [2022-07-12 14:19:27,670 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 14:19:27,670 INFO L495 AbstractCegarLoop]: Abstraction has 7241 states and 10410 transitions. [2022-07-12 14:19:27,670 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) [2022-07-12 14:19:27,670 INFO L276 IsEmpty]: Start isEmpty. Operand 7241 states and 10410 transitions. [2022-07-12 14:19:27,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2022-07-12 14:19:27,674 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 14:19:27,674 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] [2022-07-12 14:19:27,724 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Ended with exit code 0 [2022-07-12 14:19:27,892 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 14:19:27,892 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 14:19:27,893 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 14:19:27,893 INFO L85 PathProgramCache]: Analyzing trace with hash -626016518, now seen corresponding path program 1 times [2022-07-12 14:19:27,894 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 14:19:27,895 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1097282231] [2022-07-12 14:19:27,895 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 14:19:27,895 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 14:19:27,895 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 14:19:27,896 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-12 14:19:27,897 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2022-07-12 14:19:30,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:19:30,474 INFO L263 TraceCheckSpWp]: Trace formula consists of 2405 conjuncts, 8 conjunts are in the unsatisfiable core [2022-07-12 14:19:30,480 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 14:19:30,940 INFO L134 CoverageAnalysis]: Checked inductivity of 387 backedges. 48 proven. 6 refuted. 0 times theorem prover too weak. 333 trivial. 0 not checked. [2022-07-12 14:19:30,940 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-12 14:19:32,658 INFO L134 CoverageAnalysis]: Checked inductivity of 387 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 337 trivial. 0 not checked. [2022-07-12 14:19:32,658 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 14:19:32,658 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1097282231] [2022-07-12 14:19:32,658 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1097282231] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-12 14:19:32,658 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-07-12 14:19:32,659 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 15 [2022-07-12 14:19:32,659 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [202630253] [2022-07-12 14:19:32,659 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-07-12 14:19:32,659 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-07-12 14:19:32,660 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 14:19:32,660 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-07-12 14:19:32,660 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=165, Unknown=0, NotChecked=0, Total=210 [2022-07-12 14:19:32,661 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) [2022-07-12 14:19:34,454 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 14:19:34,454 INFO L93 Difference]: Finished difference Result 14510 states and 20856 transitions. [2022-07-12 14:19:34,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-07-12 14:19:34,457 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 [2022-07-12 14:19:34,460 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 14:19:34,517 INFO L225 Difference]: With dead ends: 14510 [2022-07-12 14:19:34,517 INFO L226 Difference]: Without dead ends: 7284 [2022-07-12 14:19:34,556 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 403 GetRequests, 385 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=83, Invalid=297, Unknown=0, NotChecked=0, Total=380 [2022-07-12 14:19:34,557 INFO L413 NwaCegarLoop]: 2842 mSDtfsCounter, 32 mSDsluCounter, 22701 mSDsCounter, 0 mSdLazyCounter, 171 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s 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, 1.1s IncrementalHoareTripleChecker+Time [2022-07-12 14:19:34,557 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [34 Valid, 25543 Invalid, 182 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 171 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-07-12 14:19:34,565 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7284 states. [2022-07-12 14:19:34,829 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7284 to 7242. [2022-07-12 14:19:34,841 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) [2022-07-12 14:19:34,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7242 states to 7242 states and 10412 transitions. [2022-07-12 14:19:34,892 INFO L78 Accepts]: Start accepts. Automaton has 7242 states and 10412 transitions. Word has length 200 [2022-07-12 14:19:34,892 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 14:19:34,893 INFO L495 AbstractCegarLoop]: Abstraction has 7242 states and 10412 transitions. [2022-07-12 14:19:34,893 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) [2022-07-12 14:19:34,893 INFO L276 IsEmpty]: Start isEmpty. Operand 7242 states and 10412 transitions. [2022-07-12 14:19:34,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2022-07-12 14:19:34,896 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 14:19:34,897 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] [2022-07-12 14:19:34,964 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2022-07-12 14:19:35,119 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 14:19:35,120 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 14:19:35,120 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 14:19:35,120 INFO L85 PathProgramCache]: Analyzing trace with hash 1595007721, now seen corresponding path program 2 times [2022-07-12 14:19:35,122 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 14:19:35,122 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [349079808] [2022-07-12 14:19:35,122 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-07-12 14:19:35,122 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 14:19:35,122 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 14:19:35,123 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-12 14:19:35,124 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2022-07-12 14:19:36,820 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-07-12 14:19:36,820 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-12 14:19:36,923 INFO L263 TraceCheckSpWp]: Trace formula consists of 1913 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-12 14:19:36,927 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 14:19:37,042 INFO L134 CoverageAnalysis]: Checked inductivity of 426 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 426 trivial. 0 not checked. [2022-07-12 14:19:37,042 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 14:19:37,042 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 14:19:37,042 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [349079808] [2022-07-12 14:19:37,042 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [349079808] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 14:19:37,043 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 14:19:37,043 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-12 14:19:37,043 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1483734233] [2022-07-12 14:19:37,043 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 14:19:37,044 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-12 14:19:37,044 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 14:19:37,045 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-12 14:19:37,045 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 14:19:37,045 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) [2022-07-12 14:19:37,556 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 14:19:37,556 INFO L93 Difference]: Finished difference Result 18061 states and 26008 transitions. [2022-07-12 14:19:37,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-12 14:19:37,556 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 [2022-07-12 14:19:37,557 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 14:19:37,677 INFO L225 Difference]: With dead ends: 18061 [2022-07-12 14:19:37,677 INFO L226 Difference]: Without dead ends: 10848 [2022-07-12 14:19:37,710 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 [2022-07-12 14:19:37,711 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 [2022-07-12 14:19:37,711 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] [2022-07-12 14:19:37,722 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10848 states. [2022-07-12 14:19:38,113 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10848 to 10845. [2022-07-12 14:19:38,129 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) [2022-07-12 14:19:38,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10845 states to 10845 states and 15593 transitions. [2022-07-12 14:19:38,210 INFO L78 Accepts]: Start accepts. Automaton has 10845 states and 15593 transitions. Word has length 203 [2022-07-12 14:19:38,211 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 14:19:38,211 INFO L495 AbstractCegarLoop]: Abstraction has 10845 states and 15593 transitions. [2022-07-12 14:19:38,212 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) [2022-07-12 14:19:38,212 INFO L276 IsEmpty]: Start isEmpty. Operand 10845 states and 15593 transitions. [2022-07-12 14:19:38,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2022-07-12 14:19:38,216 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 14:19:38,217 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] [2022-07-12 14:19:38,277 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2022-07-12 14:19:38,443 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 14:19:38,444 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 14:19:38,444 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 14:19:38,444 INFO L85 PathProgramCache]: Analyzing trace with hash 1334921819, now seen corresponding path program 1 times [2022-07-12 14:19:38,446 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 14:19:38,446 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1399701655] [2022-07-12 14:19:38,446 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 14:19:38,446 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 14:19:38,447 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 14:19:38,449 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-12 14:19:38,450 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2022-07-12 14:19:41,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:19:42,007 INFO L263 TraceCheckSpWp]: Trace formula consists of 2440 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-12 14:19:42,011 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 14:19:42,141 INFO L134 CoverageAnalysis]: Checked inductivity of 426 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 426 trivial. 0 not checked. [2022-07-12 14:19:42,141 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 14:19:42,141 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 14:19:42,141 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1399701655] [2022-07-12 14:19:42,142 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1399701655] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 14:19:42,142 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 14:19:42,142 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-12 14:19:42,142 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [897245768] [2022-07-12 14:19:42,142 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 14:19:42,143 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-12 14:19:42,143 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 14:19:42,143 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-12 14:19:42,143 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 14:19:42,144 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) [2022-07-12 14:19:42,807 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 14:19:42,808 INFO L93 Difference]: Finished difference Result 25265 states and 36376 transitions. [2022-07-12 14:19:42,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-12 14:19:42,808 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 [2022-07-12 14:19:42,809 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 14:19:42,923 INFO L225 Difference]: With dead ends: 25265 [2022-07-12 14:19:42,923 INFO L226 Difference]: Without dead ends: 14449 [2022-07-12 14:19:42,992 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 [2022-07-12 14:19:42,993 INFO L413 NwaCegarLoop]: 3386 mSDtfsCounter, 2825 mSDsluCounter, 2810 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s 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, 0.2s IncrementalHoareTripleChecker+Time [2022-07-12 14:19:42,993 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2825 Valid, 6196 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-07-12 14:19:43,012 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14449 states. [2022-07-12 14:19:43,597 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14449 to 14446. [2022-07-12 14:19:43,624 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) [2022-07-12 14:19:43,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14446 states to 14446 states and 20769 transitions. [2022-07-12 14:19:43,853 INFO L78 Accepts]: Start accepts. Automaton has 14446 states and 20769 transitions. Word has length 204 [2022-07-12 14:19:43,853 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 14:19:43,853 INFO L495 AbstractCegarLoop]: Abstraction has 14446 states and 20769 transitions. [2022-07-12 14:19:43,853 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) [2022-07-12 14:19:43,854 INFO L276 IsEmpty]: Start isEmpty. Operand 14446 states and 20769 transitions. [2022-07-12 14:19:43,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2022-07-12 14:19:43,858 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 14:19:43,858 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] [2022-07-12 14:19:43,927 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2022-07-12 14:19:44,079 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 14:19:44,079 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 14:19:44,080 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 14:19:44,080 INFO L85 PathProgramCache]: Analyzing trace with hash 185316992, now seen corresponding path program 1 times [2022-07-12 14:19:44,081 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 14:19:44,081 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [620211332] [2022-07-12 14:19:44,081 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 14:19:44,082 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 14:19:44,082 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 14:19:44,083 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-12 14:19:44,084 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2022-07-12 14:19:47,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:19:47,767 INFO L263 TraceCheckSpWp]: Trace formula consists of 2442 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-12 14:19:47,773 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 14:19:47,925 INFO L134 CoverageAnalysis]: Checked inductivity of 426 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 426 trivial. 0 not checked. [2022-07-12 14:19:47,925 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 14:19:47,925 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 14:19:47,925 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [620211332] [2022-07-12 14:19:47,926 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [620211332] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 14:19:47,926 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 14:19:47,926 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-12 14:19:47,926 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1185927840] [2022-07-12 14:19:47,926 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 14:19:47,926 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-12 14:19:47,926 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 14:19:47,927 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-12 14:19:47,927 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 14:19:47,927 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) [2022-07-12 14:19:48,971 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 14:19:48,971 INFO L93 Difference]: Finished difference Result 32419 states and 46672 transitions. [2022-07-12 14:19:48,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-12 14:19:48,971 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 [2022-07-12 14:19:48,972 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 14:19:49,099 INFO L225 Difference]: With dead ends: 32419 [2022-07-12 14:19:49,099 INFO L226 Difference]: Without dead ends: 18002 [2022-07-12 14:19:49,188 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 [2022-07-12 14:19:49,189 INFO L413 NwaCegarLoop]: 3386 mSDtfsCounter, 2826 mSDsluCounter, 2810 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s 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, 0.3s IncrementalHoareTripleChecker+Time [2022-07-12 14:19:49,189 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2826 Valid, 6196 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-07-12 14:19:49,208 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18002 states. [2022-07-12 14:19:49,897 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18002 to 17999. [2022-07-12 14:19:49,928 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) [2022-07-12 14:19:50,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17999 states to 17999 states and 25878 transitions. [2022-07-12 14:19:50,074 INFO L78 Accepts]: Start accepts. Automaton has 17999 states and 25878 transitions. Word has length 205 [2022-07-12 14:19:50,075 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 14:19:50,075 INFO L495 AbstractCegarLoop]: Abstraction has 17999 states and 25878 transitions. [2022-07-12 14:19:50,075 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) [2022-07-12 14:19:50,076 INFO L276 IsEmpty]: Start isEmpty. Operand 17999 states and 25878 transitions. [2022-07-12 14:19:50,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2022-07-12 14:19:50,081 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 14:19:50,081 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] [2022-07-12 14:19:50,168 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2022-07-12 14:19:50,287 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 14:19:50,288 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 14:19:50,288 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 14:19:50,288 INFO L85 PathProgramCache]: Analyzing trace with hash -1477666494, now seen corresponding path program 1 times [2022-07-12 14:19:50,290 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 14:19:50,291 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1122346986] [2022-07-12 14:19:50,291 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 14:19:50,291 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 14:19:50,291 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 14:19:50,293 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-12 14:19:50,295 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2022-07-12 14:19:53,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:19:53,946 INFO L263 TraceCheckSpWp]: Trace formula consists of 2489 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-12 14:19:53,960 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 14:19:54,138 INFO L134 CoverageAnalysis]: Checked inductivity of 423 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 423 trivial. 0 not checked. [2022-07-12 14:19:54,139 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 14:19:54,139 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 14:19:54,139 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1122346986] [2022-07-12 14:19:54,139 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1122346986] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 14:19:54,139 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 14:19:54,140 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-12 14:19:54,140 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1235824243] [2022-07-12 14:19:54,140 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 14:19:54,141 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-12 14:19:54,141 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 14:19:54,141 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-12 14:19:54,141 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 14:19:54,142 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) [2022-07-12 14:19:55,553 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 14:19:55,553 INFO L93 Difference]: Finished difference Result 51171 states and 73711 transitions. [2022-07-12 14:19:55,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-12 14:19:55,554 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 [2022-07-12 14:19:55,554 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 14:19:55,969 INFO L225 Difference]: With dead ends: 51171 [2022-07-12 14:19:55,969 INFO L226 Difference]: Without dead ends: 33199 [2022-07-12 14:19:56,081 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 [2022-07-12 14:19:56,082 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, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-07-12 14:19:56,083 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2470 Valid, 6871 Invalid, 54 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-07-12 14:19:56,116 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33199 states. [2022-07-12 14:19:57,425 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33199 to 33160. [2022-07-12 14:19:57,470 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) [2022-07-12 14:19:57,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33160 states to 33160 states and 47805 transitions. [2022-07-12 14:19:57,741 INFO L78 Accepts]: Start accepts. Automaton has 33160 states and 47805 transitions. Word has length 219 [2022-07-12 14:19:57,742 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 14:19:57,742 INFO L495 AbstractCegarLoop]: Abstraction has 33160 states and 47805 transitions. [2022-07-12 14:19:57,742 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) [2022-07-12 14:19:57,743 INFO L276 IsEmpty]: Start isEmpty. Operand 33160 states and 47805 transitions. [2022-07-12 14:19:57,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2022-07-12 14:19:57,747 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 14:19:57,747 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] [2022-07-12 14:19:57,824 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2022-07-12 14:19:57,960 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 14:19:57,961 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 14:19:57,961 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 14:19:57,961 INFO L85 PathProgramCache]: Analyzing trace with hash -549835752, now seen corresponding path program 1 times [2022-07-12 14:19:57,963 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 14:19:57,964 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2065690753] [2022-07-12 14:19:57,964 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 14:19:57,964 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 14:19:57,964 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 14:19:57,966 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-12 14:19:57,969 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2022-07-12 14:20:01,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:20:01,762 INFO L263 TraceCheckSpWp]: Trace formula consists of 2414 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-12 14:20:01,766 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 14:20:03,568 INFO L134 CoverageAnalysis]: Checked inductivity of 426 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 426 trivial. 0 not checked. [2022-07-12 14:20:03,569 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 14:20:03,569 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 14:20:03,569 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2065690753] [2022-07-12 14:20:03,569 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2065690753] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 14:20:03,569 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 14:20:03,569 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-12 14:20:03,570 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [296383079] [2022-07-12 14:20:03,570 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 14:20:03,570 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-12 14:20:03,570 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 14:20:03,570 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-12 14:20:03,571 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-12 14:20:03,571 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) [2022-07-12 14:20:05,870 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 14:20:05,870 INFO L93 Difference]: Finished difference Result 99586 states and 143591 transitions. [2022-07-12 14:20:05,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-12 14:20:05,871 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 [2022-07-12 14:20:05,871 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 14:20:06,558 INFO L225 Difference]: With dead ends: 99586 [2022-07-12 14:20:06,558 INFO L226 Difference]: Without dead ends: 66463 [2022-07-12 14:20:06,745 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 [2022-07-12 14:20:06,746 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 [2022-07-12 14:20:06,746 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] [2022-07-12 14:20:06,824 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66463 states. [2022-07-12 14:20:09,588 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66463 to 66356. [2022-07-12 14:20:09,661 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) [2022-07-12 14:20:10,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66356 states to 66356 states and 95631 transitions. [2022-07-12 14:20:10,615 INFO L78 Accepts]: Start accepts. Automaton has 66356 states and 95631 transitions. Word has length 223 [2022-07-12 14:20:10,617 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 14:20:10,617 INFO L495 AbstractCegarLoop]: Abstraction has 66356 states and 95631 transitions. [2022-07-12 14:20:10,618 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) [2022-07-12 14:20:10,618 INFO L276 IsEmpty]: Start isEmpty. Operand 66356 states and 95631 transitions. [2022-07-12 14:20:10,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2022-07-12 14:20:10,623 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 14:20:10,623 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] [2022-07-12 14:20:10,697 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (12)] Forceful destruction successful, exit code 0 [2022-07-12 14:20:10,843 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 14:20:10,843 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 14:20:10,844 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 14:20:10,844 INFO L85 PathProgramCache]: Analyzing trace with hash -1294134928, now seen corresponding path program 1 times [2022-07-12 14:20:10,846 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 14:20:10,846 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1828792337] [2022-07-12 14:20:10,846 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 14:20:10,846 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 14:20:10,847 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 14:20:10,849 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) [2022-07-12 14:20:10,851 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2022-07-12 14:20:14,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:20:14,522 INFO L263 TraceCheckSpWp]: Trace formula consists of 2416 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-12 14:20:14,527 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 14:20:16,178 INFO L134 CoverageAnalysis]: Checked inductivity of 426 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 426 trivial. 0 not checked. [2022-07-12 14:20:16,178 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 14:20:16,178 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 14:20:16,178 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1828792337] [2022-07-12 14:20:16,179 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1828792337] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 14:20:16,179 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 14:20:16,179 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-12 14:20:16,179 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [794419987] [2022-07-12 14:20:16,179 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 14:20:16,180 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-12 14:20:16,180 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 14:20:16,180 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-12 14:20:16,181 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-12 14:20:16,181 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) [2022-07-12 14:20:20,831 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 14:20:20,832 INFO L93 Difference]: Finished difference Result 199222 states and 287047 transitions. [2022-07-12 14:20:20,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-12 14:20:20,833 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 [2022-07-12 14:20:20,833 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 14:20:22,181 INFO L225 Difference]: With dead ends: 199222 [2022-07-12 14:20:22,181 INFO L226 Difference]: Without dead ends: 132903 [2022-07-12 14:20:22,544 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 [2022-07-12 14:20:22,545 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 [2022-07-12 14:20:22,545 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] [2022-07-12 14:20:22,680 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132903 states. [2022-07-12 14:20:27,143 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132903 to 132732. [2022-07-12 14:20:27,272 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) [2022-07-12 14:20:29,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132732 states to 132732 states and 191119 transitions. [2022-07-12 14:20:29,072 INFO L78 Accepts]: Start accepts. Automaton has 132732 states and 191119 transitions. Word has length 224 [2022-07-12 14:20:29,073 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 14:20:29,073 INFO L495 AbstractCegarLoop]: Abstraction has 132732 states and 191119 transitions. [2022-07-12 14:20:29,073 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) [2022-07-12 14:20:29,074 INFO L276 IsEmpty]: Start isEmpty. Operand 132732 states and 191119 transitions. [2022-07-12 14:20:29,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2022-07-12 14:20:29,079 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 14:20:29,079 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] [2022-07-12 14:20:29,163 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (13)] Forceful destruction successful, exit code 0 [2022-07-12 14:20:29,299 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 14:20:29,299 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 14:20:29,300 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 14:20:29,300 INFO L85 PathProgramCache]: Analyzing trace with hash 1450409627, now seen corresponding path program 1 times [2022-07-12 14:20:29,301 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 14:20:29,302 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1370448301] [2022-07-12 14:20:29,302 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 14:20:29,302 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 14:20:29,302 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 14:20:29,303 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) [2022-07-12 14:20:29,304 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (14)] Waiting until timeout for monitored process [2022-07-12 14:20:32,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:20:33,116 INFO L263 TraceCheckSpWp]: Trace formula consists of 2418 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-12 14:20:33,120 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 14:20:34,924 INFO L134 CoverageAnalysis]: Checked inductivity of 426 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 426 trivial. 0 not checked. [2022-07-12 14:20:34,924 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 14:20:34,924 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 14:20:34,924 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1370448301] [2022-07-12 14:20:34,924 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1370448301] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 14:20:34,924 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 14:20:34,924 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-12 14:20:34,925 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1883567337] [2022-07-12 14:20:34,925 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 14:20:34,925 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-12 14:20:34,925 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 14:20:34,925 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-12 14:20:34,925 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-12 14:20:34,926 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) [2022-07-12 14:20:44,827 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 14:20:44,827 INFO L93 Difference]: Finished difference Result 398608 states and 573803 transitions. [2022-07-12 14:20:44,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-12 14:20:44,828 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 [2022-07-12 14:20:44,828 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 14:20:47,952 INFO L225 Difference]: With dead ends: 398608 [2022-07-12 14:20:47,953 INFO L226 Difference]: Without dead ends: 265913 [2022-07-12 14:20:49,182 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 [2022-07-12 14:20:49,183 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 [2022-07-12 14:20:49,183 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] [2022-07-12 14:20:49,431 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 265913 states.