./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--block--mtip32xx--mtip32xx.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f4b24e32 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--block--mtip32xx--mtip32xx.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 f0e55ca795fc0b7479008c7c7ace6ad96366c87862ace8719a39598b92db6b60 --- Real Ultimate output --- This is Ultimate 0.2.2-?-f4b24e3 [2022-07-14 01:44:09,817 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-14 01:44:09,819 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-14 01:44:09,837 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-14 01:44:09,838 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-14 01:44:09,839 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-14 01:44:09,840 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-14 01:44:09,841 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-14 01:44:09,842 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-14 01:44:09,843 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-14 01:44:09,843 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-14 01:44:09,844 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-14 01:44:09,845 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-14 01:44:09,845 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-14 01:44:09,846 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-14 01:44:09,847 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-14 01:44:09,848 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-14 01:44:09,848 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-14 01:44:09,849 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-14 01:44:09,851 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-14 01:44:09,852 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-14 01:44:09,853 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-14 01:44:09,854 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-14 01:44:09,854 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-14 01:44:09,855 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-14 01:44:09,857 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-14 01:44:09,857 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-14 01:44:09,857 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-14 01:44:09,858 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-14 01:44:09,858 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-14 01:44:09,859 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-14 01:44:09,859 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-14 01:44:09,859 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-14 01:44:09,860 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-14 01:44:09,860 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-14 01:44:09,861 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-14 01:44:09,861 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-14 01:44:09,862 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-14 01:44:09,862 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-14 01:44:09,862 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-14 01:44:09,863 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-14 01:44:09,863 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-14 01:44:09,864 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-14 01:44:09,877 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-14 01:44:09,878 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-14 01:44:09,878 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-14 01:44:09,878 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-14 01:44:09,879 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-14 01:44:09,879 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-14 01:44:09,879 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-14 01:44:09,880 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-14 01:44:09,880 INFO L138 SettingsManager]: * Use SBE=true [2022-07-14 01:44:09,880 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-14 01:44:09,880 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-14 01:44:09,880 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-14 01:44:09,880 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-14 01:44:09,880 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-14 01:44:09,881 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-14 01:44:09,881 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-14 01:44:09,881 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-14 01:44:09,881 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-14 01:44:09,881 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-14 01:44:09,881 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-14 01:44:09,881 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-14 01:44:09,882 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-14 01:44:09,882 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-14 01:44:09,882 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-14 01:44:09,882 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-14 01:44:09,882 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-14 01:44:09,882 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-14 01:44:09,882 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-14 01:44:09,883 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-14 01:44:09,883 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-14 01:44:09,883 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f0e55ca795fc0b7479008c7c7ace6ad96366c87862ace8719a39598b92db6b60 [2022-07-14 01:44:10,059 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-14 01:44:10,078 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-14 01:44:10,080 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-14 01:44:10,081 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-14 01:44:10,081 INFO L275 PluginConnector]: CDTParser initialized [2022-07-14 01:44:10,082 INFO L432 ainManager$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--block--mtip32xx--mtip32xx.ko-entry_point.cil.out.i [2022-07-14 01:44:10,141 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/19c3072a1/a83b1f64e94c4de089c0870a695bfea0/FLAGd8cc1cd65 [2022-07-14 01:44:10,752 INFO L306 CDTParser]: Found 1 translation units. [2022-07-14 01:44:10,753 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--block--mtip32xx--mtip32xx.ko-entry_point.cil.out.i [2022-07-14 01:44:10,789 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/19c3072a1/a83b1f64e94c4de089c0870a695bfea0/FLAGd8cc1cd65 [2022-07-14 01:44:10,876 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/19c3072a1/a83b1f64e94c4de089c0870a695bfea0 [2022-07-14 01:44:10,878 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-14 01:44:10,881 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-14 01:44:10,884 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-14 01:44:10,884 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-14 01:44:10,887 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-14 01:44:10,888 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 01:44:10" (1/1) ... [2022-07-14 01:44:10,889 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7296e90b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 01:44:10, skipping insertion in model container [2022-07-14 01:44:10,890 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 01:44:10" (1/1) ... [2022-07-14 01:44:10,894 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-14 01:44:11,024 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-14 01:44:12,953 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--block--mtip32xx--mtip32xx.ko-entry_point.cil.out.i[373305,373318] [2022-07-14 01:44:13,022 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-14 01:44:13,047 INFO L203 MainTranslator]: Completed pre-run [2022-07-14 01:44:13,340 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: pcie_dev_ctrl = (unsigned int )pcie_dev_ctrl & 63471U [10028] 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:1081) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:334) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1627) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:332) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1081) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:334) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1081) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:334) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionDefinition(FunctionHandler.java:371) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1470) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:289) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.processTUchild(CHandler.java:3276) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2361) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:601) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:270) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.performMainRun(MainTranslator.java:244) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.translate(MainTranslator.java:206) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:115) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:93) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-07-14 01:44:13,348 INFO L158 Benchmark]: Toolchain (without parser) took 2466.06ms. Allocated memory was 104.9MB in the beginning and 169.9MB in the end (delta: 65.0MB). Free memory was 60.0MB in the beginning and 59.8MB in the end (delta: 197.6kB). Peak memory consumption was 75.7MB. Max. memory is 16.1GB. [2022-07-14 01:44:13,349 INFO L158 Benchmark]: CDTParser took 0.85ms. Allocated memory is still 104.9MB. Free memory is still 61.6MB. There was no memory consumed. Max. memory is 16.1GB. [2022-07-14 01:44:13,351 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2461.94ms. Allocated memory was 104.9MB in the beginning and 169.9MB in the end (delta: 65.0MB). Free memory was 60.0MB in the beginning and 59.8MB in the end (delta: 197.6kB). Peak memory consumption was 75.7MB. Max. memory is 16.1GB. [2022-07-14 01:44:13,352 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.85ms. Allocated memory is still 104.9MB. Free memory is still 61.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2461.94ms. Allocated memory was 104.9MB in the beginning and 169.9MB in the end (delta: 65.0MB). Free memory was 60.0MB in the beginning and 59.8MB in the end (delta: 197.6kB). Peak memory consumption was 75.7MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: TypeCheckException: Type check failed for C: pcie_dev_ctrl = (unsigned int )pcie_dev_ctrl & 63471U [10028] de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: TypeCheckException: Type check failed for C: pcie_dev_ctrl = (unsigned int )pcie_dev_ctrl & 63471U [10028]: 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--block--mtip32xx--mtip32xx.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 f0e55ca795fc0b7479008c7c7ace6ad96366c87862ace8719a39598b92db6b60 --- Real Ultimate output --- This is Ultimate 0.2.2-?-f4b24e3 [2022-07-14 01:44:14,844 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-14 01:44:14,846 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-14 01:44:14,885 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-14 01:44:14,886 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-14 01:44:14,887 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-14 01:44:14,890 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-14 01:44:14,892 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-14 01:44:14,893 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-14 01:44:14,897 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-14 01:44:14,897 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-14 01:44:14,901 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-14 01:44:14,901 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-14 01:44:14,902 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-14 01:44:14,903 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-14 01:44:14,906 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-14 01:44:14,906 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-14 01:44:14,907 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-14 01:44:14,908 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-14 01:44:14,912 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-14 01:44:14,913 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-14 01:44:14,914 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-14 01:44:14,915 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-14 01:44:14,916 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-14 01:44:14,917 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-14 01:44:14,922 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-14 01:44:14,922 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-14 01:44:14,923 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-14 01:44:14,923 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-14 01:44:14,924 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-14 01:44:14,924 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-14 01:44:14,924 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-14 01:44:14,926 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-14 01:44:14,926 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-14 01:44:14,927 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-14 01:44:14,928 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-14 01:44:14,928 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-14 01:44:14,928 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-14 01:44:14,929 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-14 01:44:14,929 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-14 01:44:14,929 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-14 01:44:14,930 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-14 01:44:14,937 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-07-14 01:44:14,961 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-14 01:44:14,961 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-14 01:44:14,962 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-14 01:44:14,962 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-14 01:44:14,962 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-14 01:44:14,963 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-14 01:44:14,963 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-14 01:44:14,963 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-14 01:44:14,963 INFO L138 SettingsManager]: * Use SBE=true [2022-07-14 01:44:14,964 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-14 01:44:14,964 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-14 01:44:14,964 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-14 01:44:14,965 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-14 01:44:14,965 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-14 01:44:14,965 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-07-14 01:44:14,965 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-07-14 01:44:14,965 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-07-14 01:44:14,965 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-14 01:44:14,966 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-14 01:44:14,966 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-14 01:44:14,966 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-14 01:44:14,966 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-14 01:44:14,966 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-14 01:44:14,966 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-14 01:44:14,967 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-14 01:44:14,967 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-14 01:44:14,967 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-14 01:44:14,967 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-07-14 01:44:14,967 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-07-14 01:44:14,967 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-14 01:44:14,968 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-14 01:44:14,968 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-14 01:44:14,968 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-07-14 01:44:14,968 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f0e55ca795fc0b7479008c7c7ace6ad96366c87862ace8719a39598b92db6b60 [2022-07-14 01:44:15,269 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-14 01:44:15,295 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-14 01:44:15,306 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-14 01:44:15,307 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-14 01:44:15,308 INFO L275 PluginConnector]: CDTParser initialized [2022-07-14 01:44:15,311 INFO L432 ainManager$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--block--mtip32xx--mtip32xx.ko-entry_point.cil.out.i [2022-07-14 01:44:15,381 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fd7a203e0/fb9d9a1e6613474e9ada49950feded4f/FLAGef593860b [2022-07-14 01:44:16,090 INFO L306 CDTParser]: Found 1 translation units. [2022-07-14 01:44:16,090 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--block--mtip32xx--mtip32xx.ko-entry_point.cil.out.i [2022-07-14 01:44:16,140 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fd7a203e0/fb9d9a1e6613474e9ada49950feded4f/FLAGef593860b [2022-07-14 01:44:16,416 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fd7a203e0/fb9d9a1e6613474e9ada49950feded4f [2022-07-14 01:44:16,424 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-14 01:44:16,425 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-14 01:44:16,426 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-14 01:44:16,427 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-14 01:44:16,430 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-14 01:44:16,431 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 01:44:16" (1/1) ... [2022-07-14 01:44:16,432 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@708e1d54 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 01:44:16, skipping insertion in model container [2022-07-14 01:44:16,432 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 01:44:16" (1/1) ... [2022-07-14 01:44:16,436 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-14 01:44:16,541 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-14 01:44:18,896 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--block--mtip32xx--mtip32xx.ko-entry_point.cil.out.i[373305,373318] [2022-07-14 01:44:18,947 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-14 01:44:19,028 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-07-14 01:44:19,096 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-14 01:44:19,346 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--block--mtip32xx--mtip32xx.ko-entry_point.cil.out.i[373305,373318] [2022-07-14 01:44:19,368 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-14 01:44:19,388 INFO L203 MainTranslator]: Completed pre-run [2022-07-14 01:44:19,826 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--block--mtip32xx--mtip32xx.ko-entry_point.cil.out.i[373305,373318] [2022-07-14 01:44:19,833 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-14 01:44:19,939 INFO L208 MainTranslator]: Completed translation [2022-07-14 01:44:19,940 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 01:44:19 WrapperNode [2022-07-14 01:44:19,940 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-14 01:44:19,941 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-14 01:44:19,941 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-14 01:44:19,941 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-14 01:44:19,945 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 01:44:19" (1/1) ... [2022-07-14 01:44:20,048 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 01:44:19" (1/1) ... [2022-07-14 01:44:20,205 INFO L137 Inliner]: procedures = 466, calls = 3513, calls flagged for inlining = 214, calls inlined = 200, statements flattened = 8641 [2022-07-14 01:44:20,205 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-14 01:44:20,206 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-14 01:44:20,206 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-14 01:44:20,206 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-14 01:44:20,212 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 01:44:19" (1/1) ... [2022-07-14 01:44:20,212 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 01:44:19" (1/1) ... [2022-07-14 01:44:20,254 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 01:44:19" (1/1) ... [2022-07-14 01:44:20,255 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 01:44:19" (1/1) ... [2022-07-14 01:44:20,402 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 01:44:19" (1/1) ... [2022-07-14 01:44:20,417 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 01:44:19" (1/1) ... [2022-07-14 01:44:20,442 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 01:44:19" (1/1) ... [2022-07-14 01:44:20,469 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-14 01:44:20,470 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-14 01:44:20,470 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-14 01:44:20,470 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-14 01:44:20,470 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 01:44:19" (1/1) ... [2022-07-14 01:44:20,475 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-14 01:44:20,481 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 01:44:20,492 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-07-14 01:44:20,511 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-07-14 01:44:20,534 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~C_INT~X~$Pointer$~X~C_INT~TO~VOID [2022-07-14 01:44:20,535 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~C_INT~X~$Pointer$~X~C_INT~TO~VOID [2022-07-14 01:44:20,535 INFO L130 BoogieDeclarations]: Found specification of procedure mtip_hw_get_capacity [2022-07-14 01:44:20,535 INFO L138 BoogieDeclarations]: Found implementation of procedure mtip_hw_get_capacity [2022-07-14 01:44:20,535 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-07-14 01:44:20,535 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-07-14 01:44:20,535 INFO L130 BoogieDeclarations]: Found specification of procedure mtip_hw_ioctl [2022-07-14 01:44:20,536 INFO L138 BoogieDeclarations]: Found implementation of procedure mtip_hw_ioctl [2022-07-14 01:44:20,536 INFO L130 BoogieDeclarations]: Found specification of procedure __first_node [2022-07-14 01:44:20,536 INFO L138 BoogieDeclarations]: Found implementation of procedure __first_node [2022-07-14 01:44:20,536 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2022-07-14 01:44:20,536 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2022-07-14 01:44:20,536 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-14 01:44:20,537 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-14 01:44:20,537 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_word [2022-07-14 01:44:20,537 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_word [2022-07-14 01:44:20,537 INFO L130 BoogieDeclarations]: Found specification of procedure blk_mq_stop_hw_queues [2022-07-14 01:44:20,537 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_mq_stop_hw_queues [2022-07-14 01:44:20,537 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-07-14 01:44:20,537 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-07-14 01:44:20,538 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-07-14 01:44:20,538 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-07-14 01:44:20,538 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-07-14 01:44:20,538 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-07-14 01:44:20,538 INFO L130 BoogieDeclarations]: Found specification of procedure mtip_deinit_port [2022-07-14 01:44:20,538 INFO L138 BoogieDeclarations]: Found implementation of procedure mtip_deinit_port [2022-07-14 01:44:20,538 INFO L130 BoogieDeclarations]: Found specification of procedure mtip_exec_internal_command [2022-07-14 01:44:20,538 INFO L138 BoogieDeclarations]: Found implementation of procedure mtip_exec_internal_command [2022-07-14 01:44:20,539 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-07-14 01:44:20,539 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-07-14 01:44:20,540 INFO L130 BoogieDeclarations]: Found specification of procedure mtip_read_log_page [2022-07-14 01:44:20,540 INFO L138 BoogieDeclarations]: Found implementation of procedure mtip_read_log_page [2022-07-14 01:44:20,540 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-07-14 01:44:20,540 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-07-14 01:44:20,540 INFO L130 BoogieDeclarations]: Found specification of procedure __xadd_wrong_size [2022-07-14 01:44:20,540 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-07-14 01:44:20,540 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-07-14 01:44:20,541 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-07-14 01:44:20,541 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-07-14 01:44:20,541 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2022-07-14 01:44:20,541 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2022-07-14 01:44:20,541 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-14 01:44:20,541 INFO L130 BoogieDeclarations]: Found specification of procedure ata_swap_string [2022-07-14 01:44:20,541 INFO L138 BoogieDeclarations]: Found implementation of procedure ata_swap_string [2022-07-14 01:44:20,541 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2022-07-14 01:44:20,542 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-07-14 01:44:20,542 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2022-07-14 01:44:20,542 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2022-07-14 01:44:20,543 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-07-14 01:44:20,543 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2022-07-14 01:44:20,543 INFO L130 BoogieDeclarations]: Found specification of procedure __cpu_to_node [2022-07-14 01:44:20,543 INFO L138 BoogieDeclarations]: Found implementation of procedure __cpu_to_node [2022-07-14 01:44:20,544 INFO L130 BoogieDeclarations]: Found specification of procedure find_next_bit [2022-07-14 01:44:20,544 INFO L138 BoogieDeclarations]: Found implementation of procedure find_next_bit [2022-07-14 01:44:20,544 INFO L130 BoogieDeclarations]: Found specification of procedure __might_fault [2022-07-14 01:44:20,544 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_fault [2022-07-14 01:44:20,544 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_create_dir [2022-07-14 01:44:20,545 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_create_dir [2022-07-14 01:44:20,545 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-07-14 01:44:20,545 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-07-14 01:44:20,545 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_consistent_dma_mask [2022-07-14 01:44:20,545 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_consistent_dma_mask [2022-07-14 01:44:20,545 INFO L130 BoogieDeclarations]: Found specification of procedure blk_mq_free_tag_set [2022-07-14 01:44:20,545 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_mq_free_tag_set [2022-07-14 01:44:20,545 INFO L130 BoogieDeclarations]: Found specification of procedure mtip_hw_exit [2022-07-14 01:44:20,546 INFO L138 BoogieDeclarations]: Found implementation of procedure mtip_hw_exit [2022-07-14 01:44:20,546 INFO L130 BoogieDeclarations]: Found specification of procedure get_least_used_cpu_on_node [2022-07-14 01:44:20,546 INFO L138 BoogieDeclarations]: Found implementation of procedure get_least_used_cpu_on_node [2022-07-14 01:44:20,546 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-07-14 01:44:20,546 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-07-14 01:44:20,547 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-07-14 01:44:20,547 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-07-14 01:44:20,547 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-07-14 01:44:20,547 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-07-14 01:44:20,547 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-14 01:44:20,547 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-14 01:44:20,547 INFO L130 BoogieDeclarations]: Found specification of procedure cpumask_first [2022-07-14 01:44:20,547 INFO L138 BoogieDeclarations]: Found implementation of procedure cpumask_first [2022-07-14 01:44:20,547 INFO L130 BoogieDeclarations]: Found specification of procedure mtip_workq_sdbfx [2022-07-14 01:44:20,548 INFO L138 BoogieDeclarations]: Found implementation of procedure mtip_workq_sdbfx [2022-07-14 01:44:20,548 INFO L130 BoogieDeclarations]: Found specification of procedure mtip_get_next_rr_node [2022-07-14 01:44:20,548 INFO L138 BoogieDeclarations]: Found implementation of procedure mtip_get_next_rr_node [2022-07-14 01:44:20,548 INFO L130 BoogieDeclarations]: Found specification of procedure hba_setup [2022-07-14 01:44:20,549 INFO L138 BoogieDeclarations]: Found implementation of procedure hba_setup [2022-07-14 01:44:20,549 INFO L130 BoogieDeclarations]: Found specification of procedure mtip_enable_fis [2022-07-14 01:44:20,549 INFO L138 BoogieDeclarations]: Found implementation of procedure mtip_enable_fis [2022-07-14 01:44:20,549 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-07-14 01:44:20,549 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-07-14 01:44:20,550 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_remove_recursive [2022-07-14 01:44:20,550 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_remove_recursive [2022-07-14 01:44:20,550 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_blkdev [2022-07-14 01:44:20,550 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_blkdev [2022-07-14 01:44:20,550 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2022-07-14 01:44:20,551 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2022-07-14 01:44:20,551 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_drvdata [2022-07-14 01:44:20,551 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_drvdata [2022-07-14 01:44:20,551 INFO L130 BoogieDeclarations]: Found specification of procedure pcim_iounmap_regions [2022-07-14 01:44:20,551 INFO L138 BoogieDeclarations]: Found implementation of procedure pcim_iounmap_regions [2022-07-14 01:44:20,551 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc_node [2022-07-14 01:44:20,552 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc_node [2022-07-14 01:44:20,552 INFO L130 BoogieDeclarations]: Found specification of procedure __pcibus_to_node [2022-07-14 01:44:20,552 INFO L138 BoogieDeclarations]: Found implementation of procedure __pcibus_to_node [2022-07-14 01:44:20,552 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2022-07-14 01:44:20,552 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2022-07-14 01:44:20,552 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-14 01:44:20,552 INFO L130 BoogieDeclarations]: Found specification of procedure mtip_start_port [2022-07-14 01:44:20,553 INFO L138 BoogieDeclarations]: Found implementation of procedure mtip_start_port [2022-07-14 01:44:20,553 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-14 01:44:20,553 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-07-14 01:44:20,553 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-07-14 01:44:20,553 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-14 01:44:20,554 INFO L130 BoogieDeclarations]: Found specification of procedure blk_cleanup_queue [2022-07-14 01:44:20,555 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_cleanup_queue [2022-07-14 01:44:20,556 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-07-14 01:44:20,556 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2022-07-14 01:44:20,556 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2022-07-14 01:44:20,556 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2022-07-14 01:44:20,557 INFO L130 BoogieDeclarations]: Found specification of procedure mtip_hw_debugfs_exit [2022-07-14 01:44:20,557 INFO L138 BoogieDeclarations]: Found implementation of procedure mtip_hw_debugfs_exit [2022-07-14 01:44:20,558 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2022-07-14 01:44:20,558 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2022-07-14 01:44:20,561 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2022-07-14 01:44:20,561 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2022-07-14 01:44:20,561 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-07-14 01:44:20,561 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-07-14 01:44:20,562 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2022-07-14 01:44:20,562 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2022-07-14 01:44:20,562 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2022-07-14 01:44:20,562 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2022-07-14 01:44:20,562 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2022-07-14 01:44:20,562 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2022-07-14 01:44:20,562 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-07-14 01:44:20,562 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-07-14 01:44:20,562 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2022-07-14 01:44:20,563 INFO L130 BoogieDeclarations]: Found specification of procedure mtip_workq_sdbf5 [2022-07-14 01:44:20,563 INFO L138 BoogieDeclarations]: Found implementation of procedure mtip_workq_sdbf5 [2022-07-14 01:44:20,563 INFO L130 BoogieDeclarations]: Found specification of procedure mtip_workq_sdbf6 [2022-07-14 01:44:20,563 INFO L138 BoogieDeclarations]: Found implementation of procedure mtip_workq_sdbf6 [2022-07-14 01:44:20,563 INFO L130 BoogieDeclarations]: Found specification of procedure mtip_workq_sdbf7 [2022-07-14 01:44:20,563 INFO L138 BoogieDeclarations]: Found implementation of procedure mtip_workq_sdbf7 [2022-07-14 01:44:20,563 INFO L130 BoogieDeclarations]: Found specification of procedure mtip_rq_from_tag [2022-07-14 01:44:20,563 INFO L138 BoogieDeclarations]: Found implementation of procedure mtip_rq_from_tag [2022-07-14 01:44:20,563 INFO L130 BoogieDeclarations]: Found specification of procedure mtip_workq_sdbf1 [2022-07-14 01:44:20,564 INFO L138 BoogieDeclarations]: Found implementation of procedure mtip_workq_sdbf1 [2022-07-14 01:44:20,564 INFO L130 BoogieDeclarations]: Found specification of procedure mtip_workq_sdbf2 [2022-07-14 01:44:20,564 INFO L138 BoogieDeclarations]: Found implementation of procedure mtip_workq_sdbf2 [2022-07-14 01:44:20,564 INFO L130 BoogieDeclarations]: Found specification of procedure mtip_workq_sdbf3 [2022-07-14 01:44:20,564 INFO L138 BoogieDeclarations]: Found implementation of procedure mtip_workq_sdbf3 [2022-07-14 01:44:20,564 INFO L130 BoogieDeclarations]: Found specification of procedure mtip_workq_sdbf4 [2022-07-14 01:44:20,564 INFO L138 BoogieDeclarations]: Found implementation of procedure mtip_workq_sdbf4 [2022-07-14 01:44:20,564 INFO L130 BoogieDeclarations]: Found specification of procedure mtip_workq_sdbf0 [2022-07-14 01:44:20,564 INFO L138 BoogieDeclarations]: Found implementation of procedure mtip_workq_sdbf0 [2022-07-14 01:44:20,565 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-14 01:44:20,565 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-14 01:44:20,565 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-07-14 01:44:20,565 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-07-14 01:44:20,565 INFO L130 BoogieDeclarations]: Found specification of procedure mtip_put_int_command [2022-07-14 01:44:20,565 INFO L138 BoogieDeclarations]: Found implementation of procedure mtip_put_int_command [2022-07-14 01:44:20,565 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-07-14 01:44:20,565 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-07-14 01:44:20,565 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-07-14 01:44:20,566 INFO L130 BoogieDeclarations]: Found specification of procedure mtip_hba_reset [2022-07-14 01:44:20,566 INFO L138 BoogieDeclarations]: Found implementation of procedure mtip_hba_reset [2022-07-14 01:44:20,566 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-07-14 01:44:20,566 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-07-14 01:44:20,566 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-14 01:44:20,566 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-07-14 01:44:20,566 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-14 01:44:20,566 INFO L130 BoogieDeclarations]: Found specification of procedure bdput [2022-07-14 01:44:20,566 INFO L138 BoogieDeclarations]: Found implementation of procedure bdput [2022-07-14 01:44:20,566 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-14 01:44:20,567 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-14 01:44:20,567 INFO L130 BoogieDeclarations]: Found specification of procedure dmam_alloc_coherent [2022-07-14 01:44:20,567 INFO L138 BoogieDeclarations]: Found implementation of procedure dmam_alloc_coherent [2022-07-14 01:44:20,567 INFO L130 BoogieDeclarations]: Found specification of procedure mtip_standby_immediate [2022-07-14 01:44:20,567 INFO L138 BoogieDeclarations]: Found implementation of procedure mtip_standby_immediate [2022-07-14 01:44:20,567 INFO L130 BoogieDeclarations]: Found specification of procedure kobject_get [2022-07-14 01:44:20,567 INFO L138 BoogieDeclarations]: Found implementation of procedure kobject_get [2022-07-14 01:44:20,567 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_workqueue [2022-07-14 01:44:20,567 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_workqueue [2022-07-14 01:44:20,568 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2022-07-14 01:44:20,568 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2022-07-14 01:44:20,568 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2022-07-14 01:44:20,568 INFO L130 BoogieDeclarations]: Found specification of procedure list_del_init [2022-07-14 01:44:20,568 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del_init [2022-07-14 01:44:20,569 INFO L130 BoogieDeclarations]: Found specification of procedure del_gendisk [2022-07-14 01:44:20,569 INFO L138 BoogieDeclarations]: Found implementation of procedure del_gendisk [2022-07-14 01:44:20,569 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-07-14 01:44:20,569 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-07-14 01:44:20,569 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2022-07-14 01:44:20,570 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2022-07-14 01:44:20,570 INFO L130 BoogieDeclarations]: Found specification of procedure blk_rq_sectors [2022-07-14 01:44:20,570 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_rq_sectors [2022-07-14 01:44:20,570 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-07-14 01:44:20,570 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-07-14 01:44:20,570 INFO L130 BoogieDeclarations]: Found specification of procedure drop_cpu [2022-07-14 01:44:20,570 INFO L138 BoogieDeclarations]: Found implementation of procedure drop_cpu [2022-07-14 01:44:20,570 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-14 01:44:20,570 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-14 01:44:20,571 INFO L130 BoogieDeclarations]: Found specification of procedure mtip_disable_link_opts [2022-07-14 01:44:20,571 INFO L138 BoogieDeclarations]: Found implementation of procedure mtip_disable_link_opts [2022-07-14 01:44:20,571 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-07-14 01:44:20,571 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-07-14 01:44:20,571 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR_OR_NULL [2022-07-14 01:44:20,571 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR_OR_NULL [2022-07-14 01:44:20,571 INFO L130 BoogieDeclarations]: Found specification of procedure mtip_cmd_from_tag [2022-07-14 01:44:20,571 INFO L138 BoogieDeclarations]: Found implementation of procedure mtip_cmd_from_tag [2022-07-14 01:44:20,572 INFO L130 BoogieDeclarations]: Found specification of procedure blk_rq_pos [2022-07-14 01:44:20,572 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_rq_pos [2022-07-14 01:44:20,572 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-14 01:44:20,572 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-07-14 01:44:20,572 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-07-14 01:44:20,572 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2022-07-14 01:44:20,572 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2022-07-14 01:44:20,572 INFO L130 BoogieDeclarations]: Found specification of procedure blk_mq_rq_to_pdu [2022-07-14 01:44:20,573 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_mq_rq_to_pdu [2022-07-14 01:44:20,573 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-14 01:44:20,573 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_work_7 [2022-07-14 01:44:20,573 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_work_7 [2022-07-14 01:44:20,573 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2022-07-14 01:44:20,573 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2022-07-14 01:44:20,573 INFO L130 BoogieDeclarations]: Found specification of procedure exec_drive_taskfile [2022-07-14 01:44:20,573 INFO L138 BoogieDeclarations]: Found implementation of procedure exec_drive_taskfile [2022-07-14 01:44:20,573 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2022-07-14 01:44:20,574 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-07-14 01:44:20,574 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-07-14 01:44:20,574 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-07-14 01:44:20,574 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-14 01:44:20,574 INFO L130 BoogieDeclarations]: Found specification of procedure mtip_init_port [2022-07-14 01:44:20,574 INFO L138 BoogieDeclarations]: Found implementation of procedure mtip_init_port [2022-07-14 01:44:20,574 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-07-14 01:44:20,574 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-07-14 01:44:20,574 INFO L130 BoogieDeclarations]: Found specification of procedure ida_remove [2022-07-14 01:44:20,574 INFO L138 BoogieDeclarations]: Found implementation of procedure ida_remove [2022-07-14 01:44:20,575 INFO L130 BoogieDeclarations]: Found specification of procedure mtip_restart_port [2022-07-14 01:44:20,575 INFO L138 BoogieDeclarations]: Found implementation of procedure mtip_restart_port [2022-07-14 01:44:20,575 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2022-07-14 01:44:20,575 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2022-07-14 01:44:20,576 INFO L130 BoogieDeclarations]: Found specification of procedure flush_workqueue [2022-07-14 01:44:20,578 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_workqueue [2022-07-14 01:44:20,578 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-07-14 01:44:20,578 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-07-14 01:44:20,578 INFO L130 BoogieDeclarations]: Found specification of procedure blk_mq_start_stopped_hw_queues [2022-07-14 01:44:20,578 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_mq_start_stopped_hw_queues [2022-07-14 01:44:20,578 INFO L130 BoogieDeclarations]: Found specification of procedure find_first_bit [2022-07-14 01:44:20,578 INFO L138 BoogieDeclarations]: Found implementation of procedure find_first_bit [2022-07-14 01:44:20,579 INFO L130 BoogieDeclarations]: Found specification of procedure jiffies_to_msecs [2022-07-14 01:44:20,579 INFO L138 BoogieDeclarations]: Found implementation of procedure jiffies_to_msecs [2022-07-14 01:44:20,580 INFO L130 BoogieDeclarations]: Found specification of procedure dmam_free_coherent [2022-07-14 01:44:20,580 INFO L138 BoogieDeclarations]: Found implementation of procedure dmam_free_coherent [2022-07-14 01:44:20,580 INFO L130 BoogieDeclarations]: Found specification of procedure mtip_pci_remove [2022-07-14 01:44:20,580 INFO L138 BoogieDeclarations]: Found implementation of procedure mtip_pci_remove [2022-07-14 01:44:20,580 INFO L130 BoogieDeclarations]: Found specification of procedure mtip_issue_ncq_command [2022-07-14 01:44:20,580 INFO L138 BoogieDeclarations]: Found implementation of procedure mtip_issue_ncq_command [2022-07-14 01:44:20,580 INFO L130 BoogieDeclarations]: Found specification of procedure cpumask_of_node [2022-07-14 01:44:20,580 INFO L138 BoogieDeclarations]: Found implementation of procedure cpumask_of_node [2022-07-14 01:44:20,580 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-07-14 01:44:20,580 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-07-14 01:44:20,581 INFO L130 BoogieDeclarations]: Found specification of procedure mtip_get_identify [2022-07-14 01:44:20,581 INFO L138 BoogieDeclarations]: Found implementation of procedure mtip_get_identify [2022-07-14 01:44:20,581 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-14 01:44:20,581 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-14 01:44:20,581 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_create_file [2022-07-14 01:44:20,581 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_create_file [2022-07-14 01:44:20,581 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2022-07-14 01:44:20,581 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2022-07-14 01:44:20,581 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-07-14 01:44:20,582 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2022-07-14 01:44:20,582 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-14 01:44:20,582 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-14 01:44:20,582 INFO L130 BoogieDeclarations]: Found specification of procedure mtip_set_timeout [2022-07-14 01:44:20,582 INFO L138 BoogieDeclarations]: Found implementation of procedure mtip_set_timeout [2022-07-14 01:44:20,582 INFO L130 BoogieDeclarations]: Found specification of procedure irq_set_affinity_hint [2022-07-14 01:44:20,582 INFO L138 BoogieDeclarations]: Found implementation of procedure irq_set_affinity_hint [2022-07-14 01:44:20,582 INFO L130 BoogieDeclarations]: Found specification of procedure mtip_pci_resume [2022-07-14 01:44:20,582 INFO L138 BoogieDeclarations]: Found implementation of procedure mtip_pci_resume [2022-07-14 01:44:20,582 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2022-07-14 01:44:20,583 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2022-07-14 01:44:20,583 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2022-07-14 01:44:20,583 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2022-07-14 01:44:20,583 INFO L130 BoogieDeclarations]: Found specification of procedure cpumask_next [2022-07-14 01:44:20,583 INFO L138 BoogieDeclarations]: Found implementation of procedure cpumask_next [2022-07-14 01:44:20,583 INFO L130 BoogieDeclarations]: Found specification of procedure kobject_put [2022-07-14 01:44:20,583 INFO L138 BoogieDeclarations]: Found implementation of procedure kobject_put [2022-07-14 01:44:20,583 INFO L130 BoogieDeclarations]: Found specification of procedure mtip_pci_shutdown [2022-07-14 01:44:20,583 INFO L138 BoogieDeclarations]: Found implementation of procedure mtip_pci_shutdown [2022-07-14 01:44:20,583 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2022-07-14 01:44:20,584 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2022-07-14 01:44:20,584 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_resume_early_9 [2022-07-14 01:44:20,584 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_resume_early_9 [2022-07-14 01:44:20,584 INFO L130 BoogieDeclarations]: Found specification of procedure mtip_device_reset [2022-07-14 01:44:20,584 INFO L138 BoogieDeclarations]: Found implementation of procedure mtip_device_reset [2022-07-14 01:44:20,584 INFO L130 BoogieDeclarations]: Found specification of procedure mtip_enable_engine [2022-07-14 01:44:20,584 INFO L138 BoogieDeclarations]: Found implementation of procedure mtip_enable_engine [2022-07-14 01:44:20,584 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_all_7 [2022-07-14 01:44:20,584 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_all_7 [2022-07-14 01:44:20,585 INFO L130 BoogieDeclarations]: Found specification of procedure pcim_enable_device [2022-07-14 01:44:20,585 INFO L138 BoogieDeclarations]: Found implementation of procedure pcim_enable_device [2022-07-14 01:44:20,585 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2022-07-14 01:44:20,585 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2022-07-14 01:44:20,585 INFO L130 BoogieDeclarations]: Found specification of procedure mtip_check_surprise_removal [2022-07-14 01:44:20,585 INFO L138 BoogieDeclarations]: Found implementation of procedure mtip_check_surprise_removal [2022-07-14 01:44:20,585 INFO L130 BoogieDeclarations]: Found specification of procedure devm_free_irq [2022-07-14 01:44:20,585 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_free_irq [2022-07-14 01:44:20,585 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2022-07-14 01:44:20,585 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2022-07-14 01:44:20,586 INFO L130 BoogieDeclarations]: Found specification of procedure blk_mq_end_request [2022-07-14 01:44:20,586 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_mq_end_request [2022-07-14 01:44:20,586 INFO L130 BoogieDeclarations]: Found specification of procedure put_disk [2022-07-14 01:44:20,586 INFO L138 BoogieDeclarations]: Found implementation of procedure put_disk [2022-07-14 01:44:20,586 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-07-14 01:44:20,586 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-07-14 01:44:20,586 INFO L130 BoogieDeclarations]: Found specification of procedure no_llseek [2022-07-14 01:44:20,586 INFO L138 BoogieDeclarations]: Found implementation of procedure no_llseek [2022-07-14 01:44:20,586 INFO L130 BoogieDeclarations]: Found specification of procedure simple_open [2022-07-14 01:44:20,587 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_open [2022-07-14 01:44:20,587 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_msi [2022-07-14 01:44:20,587 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_msi [2022-07-14 01:44:20,587 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2022-07-14 01:44:20,587 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2022-07-14 01:44:20,587 INFO L130 BoogieDeclarations]: Found specification of procedure mtip_dma_free [2022-07-14 01:44:20,587 INFO L138 BoogieDeclarations]: Found implementation of procedure mtip_dma_free [2022-07-14 01:44:20,587 INFO L130 BoogieDeclarations]: Found specification of procedure mtip_block_initialize [2022-07-14 01:44:20,587 INFO L138 BoogieDeclarations]: Found implementation of procedure mtip_block_initialize [2022-07-14 01:44:21,459 INFO L234 CfgBuilder]: Building ICFG [2022-07-14 01:44:21,473 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-14 01:44:22,479 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-14 01:45:57,392 INFO L275 CfgBuilder]: Performing block encoding [2022-07-14 01:45:57,476 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-14 01:45:57,479 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-07-14 01:45:57,485 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 01:45:57 BoogieIcfgContainer [2022-07-14 01:45:57,486 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-14 01:45:57,487 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-14 01:45:57,488 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-14 01:45:57,490 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-14 01:45:57,490 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.07 01:44:16" (1/3) ... [2022-07-14 01:45:57,491 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@edebaca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.07 01:45:57, skipping insertion in model container [2022-07-14 01:45:57,491 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 01:44:19" (2/3) ... [2022-07-14 01:45:57,492 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@edebaca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.07 01:45:57, skipping insertion in model container [2022-07-14 01:45:57,492 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 01:45:57" (3/3) ... [2022-07-14 01:45:57,493 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--block--mtip32xx--mtip32xx.ko-entry_point.cil.out.i [2022-07-14 01:45:57,506 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-14 01:45:57,506 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-14 01:45:57,602 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-14 01:45:57,607 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@65b4a0e2, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@5abb42db [2022-07-14 01:45:57,607 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-14 01:45:57,618 INFO L276 IsEmpty]: Start isEmpty. Operand has 2932 states, 2043 states have (on average 1.3480176211453745) internal successors, (2754), 2093 states have internal predecessors, (2754), 744 states have call successors, (744), 145 states have call predecessors, (744), 144 states have return successors, (727), 727 states have call predecessors, (727), 727 states have call successors, (727) [2022-07-14 01:45:57,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 528 [2022-07-14 01:45:57,639 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 01:45:57,641 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 22, 22, 22, 22, 22, 22, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 01:45:57,641 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 01:45:57,645 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 01:45:57,645 INFO L85 PathProgramCache]: Analyzing trace with hash 1077886916, now seen corresponding path program 1 times [2022-07-14 01:45:57,658 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 01:45:57,659 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [230419204] [2022-07-14 01:45:57,659 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 01:45:57,660 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 01:45:57,660 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 01:45:57,681 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-14 01:45:57,686 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-07-14 01:46:00,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:46:00,320 INFO L263 TraceCheckSpWp]: Trace formula consists of 3577 conjuncts, 1 conjunts are in the unsatisfiable core [2022-07-14 01:46:00,338 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 01:46:00,476 INFO L134 CoverageAnalysis]: Checked inductivity of 3759 backedges. 75 proven. 0 refuted. 0 times theorem prover too weak. 3684 trivial. 0 not checked. [2022-07-14 01:46:00,477 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 01:46:00,477 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 01:46:00,477 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [230419204] [2022-07-14 01:46:00,478 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [230419204] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 01:46:00,478 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 01:46:00,478 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-14 01:46:00,479 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [381013249] [2022-07-14 01:46:00,480 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 01:46:00,483 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-07-14 01:46:00,483 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 01:46:00,508 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-07-14 01:46:00,508 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-07-14 01:46:00,514 INFO L87 Difference]: Start difference. First operand has 2932 states, 2043 states have (on average 1.3480176211453745) internal successors, (2754), 2093 states have internal predecessors, (2754), 744 states have call successors, (744), 145 states have call predecessors, (744), 144 states have return successors, (727), 727 states have call predecessors, (727), 727 states have call successors, (727) Second operand has 2 states, 2 states have (on average 41.5) internal successors, (83), 2 states have internal predecessors, (83), 2 states have call successors, (44), 2 states have call predecessors, (44), 2 states have return successors, (42), 2 states have call predecessors, (42), 2 states have call successors, (42) [2022-07-14 01:46:00,715 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 01:46:00,731 INFO L93 Difference]: Finished difference Result 5856 states and 8598 transitions. [2022-07-14 01:46:00,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-07-14 01:46:00,733 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 41.5) internal successors, (83), 2 states have internal predecessors, (83), 2 states have call successors, (44), 2 states have call predecessors, (44), 2 states have return successors, (42), 2 states have call predecessors, (42), 2 states have call successors, (42) Word has length 527 [2022-07-14 01:46:00,734 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 01:46:00,770 INFO L225 Difference]: With dead ends: 5856 [2022-07-14 01:46:00,773 INFO L226 Difference]: Without dead ends: 2891 [2022-07-14 01:46:00,792 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 526 GetRequests, 526 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-07-14 01:46:00,796 INFO L413 NwaCegarLoop]: 4215 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 4215 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-14 01:46:00,797 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 4215 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-14 01:46:00,813 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2891 states. [2022-07-14 01:46:00,929 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2891 to 2891. [2022-07-14 01:46:00,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2891 states, 2023 states have (on average 1.3371230845279287) internal successors, (2705), 2053 states have internal predecessors, (2705), 724 states have call successors, (724), 144 states have call predecessors, (724), 143 states have return successors, (723), 723 states have call predecessors, (723), 723 states have call successors, (723) [2022-07-14 01:46:00,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2891 states to 2891 states and 4152 transitions. [2022-07-14 01:46:00,954 INFO L78 Accepts]: Start accepts. Automaton has 2891 states and 4152 transitions. Word has length 527 [2022-07-14 01:46:00,956 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 01:46:00,956 INFO L495 AbstractCegarLoop]: Abstraction has 2891 states and 4152 transitions. [2022-07-14 01:46:00,957 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 41.5) internal successors, (83), 2 states have internal predecessors, (83), 2 states have call successors, (44), 2 states have call predecessors, (44), 2 states have return successors, (42), 2 states have call predecessors, (42), 2 states have call successors, (42) [2022-07-14 01:46:00,957 INFO L276 IsEmpty]: Start isEmpty. Operand 2891 states and 4152 transitions. [2022-07-14 01:46:00,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 528 [2022-07-14 01:46:00,967 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 01:46:00,968 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 22, 22, 22, 22, 22, 22, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 01:46:01,055 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-07-14 01:46:01,181 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-14 01:46:01,182 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 01:46:01,183 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 01:46:01,183 INFO L85 PathProgramCache]: Analyzing trace with hash 1498016676, now seen corresponding path program 1 times [2022-07-14 01:46:01,185 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 01:46:01,185 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [65787559] [2022-07-14 01:46:01,185 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 01:46:01,185 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 01:46:01,186 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 01:46:01,192 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-14 01:46:01,260 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-07-14 01:46:04,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:46:04,550 INFO L263 TraceCheckSpWp]: Trace formula consists of 3577 conjuncts, 5 conjunts are in the unsatisfiable core [2022-07-14 01:46:04,579 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 01:46:05,117 INFO L134 CoverageAnalysis]: Checked inductivity of 3759 backedges. 189 proven. 0 refuted. 0 times theorem prover too weak. 3570 trivial. 0 not checked. [2022-07-14 01:46:05,117 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 01:46:05,118 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 01:46:05,118 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [65787559] [2022-07-14 01:46:05,118 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [65787559] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 01:46:05,118 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 01:46:05,118 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-14 01:46:05,118 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2093728627] [2022-07-14 01:46:05,118 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 01:46:05,120 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-14 01:46:05,120 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 01:46:05,121 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-14 01:46:05,121 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-14 01:46:05,121 INFO L87 Difference]: Start difference. First operand 2891 states and 4152 transitions. Second operand has 6 states, 5 states have (on average 17.0) internal successors, (85), 6 states have internal predecessors, (85), 3 states have call successors, (45), 2 states have call predecessors, (45), 4 states have return successors, (42), 3 states have call predecessors, (42), 3 states have call successors, (42) [2022-07-14 01:46:08,076 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 01:46:08,077 INFO L93 Difference]: Finished difference Result 5752 states and 8320 transitions. [2022-07-14 01:46:08,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-14 01:46:08,078 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 17.0) internal successors, (85), 6 states have internal predecessors, (85), 3 states have call successors, (45), 2 states have call predecessors, (45), 4 states have return successors, (42), 3 states have call predecessors, (42), 3 states have call successors, (42) Word has length 527 [2022-07-14 01:46:08,079 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 01:46:08,094 INFO L225 Difference]: With dead ends: 5752 [2022-07-14 01:46:08,094 INFO L226 Difference]: Without dead ends: 2894 [2022-07-14 01:46:08,106 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 528 GetRequests, 522 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-07-14 01:46:08,107 INFO L413 NwaCegarLoop]: 4125 mSDtfsCounter, 6 mSDsluCounter, 16424 mSDsCounter, 0 mSdLazyCounter, 206 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 20549 SdHoareTripleChecker+Invalid, 248 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 206 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2022-07-14 01:46:08,107 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 20549 Invalid, 248 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 206 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2022-07-14 01:46:08,111 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2894 states. [2022-07-14 01:46:08,161 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2894 to 2894. [2022-07-14 01:46:08,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2894 states, 2025 states have (on average 1.337283950617284) internal successors, (2708), 2056 states have internal predecessors, (2708), 724 states have call successors, (724), 144 states have call predecessors, (724), 144 states have return successors, (725), 723 states have call predecessors, (725), 723 states have call successors, (725) [2022-07-14 01:46:08,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2894 states to 2894 states and 4157 transitions. [2022-07-14 01:46:08,187 INFO L78 Accepts]: Start accepts. Automaton has 2894 states and 4157 transitions. Word has length 527 [2022-07-14 01:46:08,189 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 01:46:08,190 INFO L495 AbstractCegarLoop]: Abstraction has 2894 states and 4157 transitions. [2022-07-14 01:46:08,190 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 17.0) internal successors, (85), 6 states have internal predecessors, (85), 3 states have call successors, (45), 2 states have call predecessors, (45), 4 states have return successors, (42), 3 states have call predecessors, (42), 3 states have call successors, (42) [2022-07-14 01:46:08,190 INFO L276 IsEmpty]: Start isEmpty. Operand 2894 states and 4157 transitions. [2022-07-14 01:46:08,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 550 [2022-07-14 01:46:08,199 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 01:46:08,199 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 22, 22, 22, 22, 22, 22, 22, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 01:46:08,277 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-07-14 01:46:08,423 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-14 01:46:08,424 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 01:46:08,424 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 01:46:08,424 INFO L85 PathProgramCache]: Analyzing trace with hash 963764390, now seen corresponding path program 1 times [2022-07-14 01:46:08,427 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 01:46:08,427 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [23062141] [2022-07-14 01:46:08,427 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 01:46:08,427 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 01:46:08,427 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 01:46:08,435 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-14 01:46:08,437 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-07-14 01:46:11,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:46:12,035 INFO L263 TraceCheckSpWp]: Trace formula consists of 3819 conjuncts, 6 conjunts are in the unsatisfiable core [2022-07-14 01:46:12,050 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 01:46:12,777 INFO L134 CoverageAnalysis]: Checked inductivity of 4474 backedges. 252 proven. 1 refuted. 0 times theorem prover too weak. 4221 trivial. 0 not checked. [2022-07-14 01:46:12,777 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-14 01:46:15,190 INFO L134 CoverageAnalysis]: Checked inductivity of 4474 backedges. 0 proven. 211 refuted. 0 times theorem prover too weak. 4263 trivial. 0 not checked. [2022-07-14 01:46:15,190 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 01:46:15,191 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [23062141] [2022-07-14 01:46:15,191 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [23062141] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-14 01:46:15,191 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-07-14 01:46:15,191 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 11 [2022-07-14 01:46:15,191 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [919648390] [2022-07-14 01:46:15,191 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-07-14 01:46:15,192 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-07-14 01:46:15,192 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 01:46:15,193 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-07-14 01:46:15,193 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2022-07-14 01:46:15,193 INFO L87 Difference]: Start difference. First operand 2894 states and 4157 transitions. Second operand has 11 states, 9 states have (on average 11.11111111111111) internal successors, (100), 11 states have internal predecessors, (100), 4 states have call successors, (68), 2 states have call predecessors, (68), 5 states have return successors, (66), 4 states have call predecessors, (66), 4 states have call successors, (66) [2022-07-14 01:46:20,908 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 01:46:20,908 INFO L93 Difference]: Finished difference Result 5763 states and 8336 transitions. [2022-07-14 01:46:20,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-07-14 01:46:20,909 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 9 states have (on average 11.11111111111111) internal successors, (100), 11 states have internal predecessors, (100), 4 states have call successors, (68), 2 states have call predecessors, (68), 5 states have return successors, (66), 4 states have call predecessors, (66), 4 states have call successors, (66) Word has length 549 [2022-07-14 01:46:20,910 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 01:46:20,950 INFO L225 Difference]: With dead ends: 5763 [2022-07-14 01:46:20,950 INFO L226 Difference]: Without dead ends: 2902 [2022-07-14 01:46:20,964 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1100 GetRequests, 1087 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=52, Invalid=158, Unknown=0, NotChecked=0, Total=210 [2022-07-14 01:46:20,966 INFO L413 NwaCegarLoop]: 4127 mSDtfsCounter, 14 mSDsluCounter, 28731 mSDsCounter, 0 mSdLazyCounter, 387 mSolverCounterSat, 55 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 32858 SdHoareTripleChecker+Invalid, 442 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 55 IncrementalHoareTripleChecker+Valid, 387 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.0s IncrementalHoareTripleChecker+Time [2022-07-14 01:46:20,967 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 32858 Invalid, 442 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [55 Valid, 387 Invalid, 0 Unknown, 0 Unchecked, 5.0s Time] [2022-07-14 01:46:20,971 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2902 states. [2022-07-14 01:46:21,085 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2902 to 2900. [2022-07-14 01:46:21,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2900 states, 2029 states have (on average 1.3371118777723017) internal successors, (2713), 2060 states have internal predecessors, (2713), 725 states have call successors, (725), 145 states have call predecessors, (725), 145 states have return successors, (726), 724 states have call predecessors, (726), 724 states have call successors, (726) [2022-07-14 01:46:21,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2900 states to 2900 states and 4164 transitions. [2022-07-14 01:46:21,100 INFO L78 Accepts]: Start accepts. Automaton has 2900 states and 4164 transitions. Word has length 549 [2022-07-14 01:46:21,101 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 01:46:21,101 INFO L495 AbstractCegarLoop]: Abstraction has 2900 states and 4164 transitions. [2022-07-14 01:46:21,102 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 9 states have (on average 11.11111111111111) internal successors, (100), 11 states have internal predecessors, (100), 4 states have call successors, (68), 2 states have call predecessors, (68), 5 states have return successors, (66), 4 states have call predecessors, (66), 4 states have call successors, (66) [2022-07-14 01:46:21,102 INFO L276 IsEmpty]: Start isEmpty. Operand 2900 states and 4164 transitions. [2022-07-14 01:46:21,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 572 [2022-07-14 01:46:21,105 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 01:46:21,105 INFO L195 NwaCegarLoop]: trace histogram [44, 22, 22, 22, 22, 22, 22, 22, 22, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 01:46:21,173 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-07-14 01:46:21,328 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-14 01:46:21,328 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 01:46:21,329 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 01:46:21,329 INFO L85 PathProgramCache]: Analyzing trace with hash 507306532, now seen corresponding path program 2 times [2022-07-14 01:46:21,331 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 01:46:21,331 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2004144422] [2022-07-14 01:46:21,331 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-07-14 01:46:21,331 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 01:46:21,331 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 01:46:21,333 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-14 01:46:21,338 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-07-14 01:46:23,188 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-07-14 01:46:23,189 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-14 01:46:23,265 INFO L263 TraceCheckSpWp]: Trace formula consists of 2074 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-14 01:46:23,272 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 01:46:23,607 INFO L134 CoverageAnalysis]: Checked inductivity of 5673 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5673 trivial. 0 not checked. [2022-07-14 01:46:23,607 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 01:46:23,607 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 01:46:23,607 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2004144422] [2022-07-14 01:46:23,608 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2004144422] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 01:46:23,608 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 01:46:23,608 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-14 01:46:23,608 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1749922644] [2022-07-14 01:46:23,608 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 01:46:23,608 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-14 01:46:23,608 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 01:46:23,609 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-14 01:46:23,609 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 01:46:23,609 INFO L87 Difference]: Start difference. First operand 2900 states and 4164 transitions. Second operand has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 2 states have call successors, (44), 2 states have call predecessors, (44), 1 states have return successors, (41), 1 states have call predecessors, (41), 1 states have call successors, (41) [2022-07-14 01:46:24,102 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 01:46:24,103 INFO L93 Difference]: Finished difference Result 8451 states and 12136 transitions. [2022-07-14 01:46:24,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-14 01:46:24,104 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 2 states have call successors, (44), 2 states have call predecessors, (44), 1 states have return successors, (41), 1 states have call predecessors, (41), 1 states have call successors, (41) Word has length 571 [2022-07-14 01:46:24,107 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 01:46:24,141 INFO L225 Difference]: With dead ends: 8451 [2022-07-14 01:46:24,141 INFO L226 Difference]: Without dead ends: 5648 [2022-07-14 01:46:24,155 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 570 GetRequests, 569 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 01:46:24,157 INFO L413 NwaCegarLoop]: 4822 mSDtfsCounter, 4050 mSDsluCounter, 4007 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4050 SdHoareTripleChecker+Valid, 8829 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-07-14 01:46:24,158 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4050 Valid, 8829 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-07-14 01:46:24,165 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5648 states. [2022-07-14 01:46:24,323 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5648 to 5643. [2022-07-14 01:46:24,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5643 states, 3958 states have (on average 1.3408287013643254) internal successors, (5307), 4021 states have internal predecessors, (5307), 1396 states have call successors, (1396), 287 states have call predecessors, (1396), 288 states have return successors, (1399), 1394 states have call predecessors, (1399), 1395 states have call successors, (1399) [2022-07-14 01:46:24,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5643 states to 5643 states and 8102 transitions. [2022-07-14 01:46:24,364 INFO L78 Accepts]: Start accepts. Automaton has 5643 states and 8102 transitions. Word has length 571 [2022-07-14 01:46:24,365 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 01:46:24,366 INFO L495 AbstractCegarLoop]: Abstraction has 5643 states and 8102 transitions. [2022-07-14 01:46:24,366 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 2 states have call successors, (44), 2 states have call predecessors, (44), 1 states have return successors, (41), 1 states have call predecessors, (41), 1 states have call successors, (41) [2022-07-14 01:46:24,367 INFO L276 IsEmpty]: Start isEmpty. Operand 5643 states and 8102 transitions. [2022-07-14 01:46:24,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 576 [2022-07-14 01:46:24,371 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 01:46:24,371 INFO L195 NwaCegarLoop]: trace histogram [44, 22, 22, 22, 22, 22, 22, 22, 22, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 01:46:24,406 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2022-07-14 01:46:24,593 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-14 01:46:24,594 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 01:46:24,594 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 01:46:24,595 INFO L85 PathProgramCache]: Analyzing trace with hash 352628477, now seen corresponding path program 1 times [2022-07-14 01:46:24,596 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 01:46:24,597 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1723961211] [2022-07-14 01:46:24,597 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 01:46:24,597 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 01:46:24,597 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 01:46:24,608 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-14 01:46:24,610 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-07-14 01:46:28,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:46:28,285 INFO L263 TraceCheckSpWp]: Trace formula consists of 4069 conjuncts, 7 conjunts are in the unsatisfiable core [2022-07-14 01:46:28,303 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 01:46:29,185 INFO L134 CoverageAnalysis]: Checked inductivity of 5673 backedges. 357 proven. 3 refuted. 0 times theorem prover too weak. 5313 trivial. 0 not checked. [2022-07-14 01:46:29,185 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-14 01:46:32,243 INFO L134 CoverageAnalysis]: Checked inductivity of 5673 backedges. 0 proven. 318 refuted. 0 times theorem prover too weak. 5355 trivial. 0 not checked. [2022-07-14 01:46:32,244 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 01:46:32,244 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1723961211] [2022-07-14 01:46:32,244 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1723961211] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-14 01:46:32,244 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-07-14 01:46:32,245 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 13 [2022-07-14 01:46:32,245 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1686868224] [2022-07-14 01:46:32,245 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-07-14 01:46:32,248 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-07-14 01:46:32,249 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 01:46:32,249 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-07-14 01:46:32,249 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2022-07-14 01:46:32,250 INFO L87 Difference]: Start difference. First operand 5643 states and 8102 transitions. Second operand has 13 states, 11 states have (on average 9.636363636363637) internal successors, (106), 13 states have internal predecessors, (106), 4 states have call successors, (68), 2 states have call predecessors, (68), 5 states have return successors, (66), 4 states have call predecessors, (66), 4 states have call successors, (66) [2022-07-14 01:46:38,332 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 01:46:38,333 INFO L93 Difference]: Finished difference Result 11266 states and 16273 transitions. [2022-07-14 01:46:38,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-07-14 01:46:38,334 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 11 states have (on average 9.636363636363637) internal successors, (106), 13 states have internal predecessors, (106), 4 states have call successors, (68), 2 states have call predecessors, (68), 5 states have return successors, (66), 4 states have call predecessors, (66), 4 states have call successors, (66) Word has length 575 [2022-07-14 01:46:38,334 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 01:46:38,363 INFO L225 Difference]: With dead ends: 11266 [2022-07-14 01:46:38,364 INFO L226 Difference]: Without dead ends: 5653 [2022-07-14 01:46:38,387 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1153 GetRequests, 1137 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=69, Invalid=237, Unknown=0, NotChecked=0, Total=306 [2022-07-14 01:46:38,388 INFO L413 NwaCegarLoop]: 4128 mSDtfsCounter, 22 mSDsluCounter, 28759 mSDsCounter, 0 mSdLazyCounter, 415 mSolverCounterSat, 70 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 32887 SdHoareTripleChecker+Invalid, 485 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 70 IncrementalHoareTripleChecker+Valid, 415 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.1s IncrementalHoareTripleChecker+Time [2022-07-14 01:46:38,389 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [24 Valid, 32887 Invalid, 485 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [70 Valid, 415 Invalid, 0 Unknown, 0 Unchecked, 5.1s Time] [2022-07-14 01:46:38,394 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5653 states. [2022-07-14 01:46:38,510 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5653 to 5645. [2022-07-14 01:46:38,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5645 states, 3960 states have (on average 1.3411616161616162) internal successors, (5311), 4023 states have internal predecessors, (5311), 1396 states have call successors, (1396), 287 states have call predecessors, (1396), 288 states have return successors, (1399), 1394 states have call predecessors, (1399), 1395 states have call successors, (1399) [2022-07-14 01:46:38,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5645 states to 5645 states and 8106 transitions. [2022-07-14 01:46:38,536 INFO L78 Accepts]: Start accepts. Automaton has 5645 states and 8106 transitions. Word has length 575 [2022-07-14 01:46:38,536 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 01:46:38,536 INFO L495 AbstractCegarLoop]: Abstraction has 5645 states and 8106 transitions. [2022-07-14 01:46:38,537 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 11 states have (on average 9.636363636363637) internal successors, (106), 13 states have internal predecessors, (106), 4 states have call successors, (68), 2 states have call predecessors, (68), 5 states have return successors, (66), 4 states have call predecessors, (66), 4 states have call successors, (66) [2022-07-14 01:46:38,537 INFO L276 IsEmpty]: Start isEmpty. Operand 5645 states and 8106 transitions. [2022-07-14 01:46:38,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 598 [2022-07-14 01:46:38,542 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 01:46:38,542 INFO L195 NwaCegarLoop]: trace histogram [66, 22, 22, 22, 22, 22, 22, 22, 22, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 01:46:38,629 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2022-07-14 01:46:38,767 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-14 01:46:38,768 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 01:46:38,768 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 01:46:38,768 INFO L85 PathProgramCache]: Analyzing trace with hash 1328670079, now seen corresponding path program 2 times [2022-07-14 01:46:38,770 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 01:46:38,770 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [887542356] [2022-07-14 01:46:38,770 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-07-14 01:46:38,770 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 01:46:38,770 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 01:46:38,771 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-14 01:46:38,772 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2022-07-14 01:46:40,630 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-07-14 01:46:40,631 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-14 01:46:40,710 INFO L263 TraceCheckSpWp]: Trace formula consists of 2082 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-14 01:46:40,719 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 01:46:41,207 INFO L134 CoverageAnalysis]: Checked inductivity of 7356 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7356 trivial. 0 not checked. [2022-07-14 01:46:41,207 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 01:46:41,208 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 01:46:41,208 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [887542356] [2022-07-14 01:46:41,208 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [887542356] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 01:46:41,208 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 01:46:41,208 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-14 01:46:41,208 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [577997651] [2022-07-14 01:46:41,208 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 01:46:41,208 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-14 01:46:41,209 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 01:46:41,209 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-14 01:46:41,209 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 01:46:41,209 INFO L87 Difference]: Start difference. First operand 5645 states and 8106 transitions. Second operand has 3 states, 3 states have (on average 28.0) internal successors, (84), 3 states have internal predecessors, (84), 2 states have call successors, (44), 2 states have call predecessors, (44), 1 states have return successors, (41), 1 states have call predecessors, (41), 1 states have call successors, (41) [2022-07-14 01:46:41,732 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 01:46:41,732 INFO L93 Difference]: Finished difference Result 16661 states and 23921 transitions. [2022-07-14 01:46:41,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-14 01:46:41,733 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 28.0) internal successors, (84), 3 states have internal predecessors, (84), 2 states have call successors, (44), 2 states have call predecessors, (44), 1 states have return successors, (41), 1 states have call predecessors, (41), 1 states have call successors, (41) Word has length 597 [2022-07-14 01:46:41,734 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 01:46:41,868 INFO L225 Difference]: With dead ends: 16661 [2022-07-14 01:46:41,868 INFO L226 Difference]: Without dead ends: 11113 [2022-07-14 01:46:41,884 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 596 GetRequests, 595 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 01:46:41,886 INFO L413 NwaCegarLoop]: 4890 mSDtfsCounter, 4064 mSDsluCounter, 4007 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4064 SdHoareTripleChecker+Valid, 8897 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-07-14 01:46:41,886 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4064 Valid, 8897 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-07-14 01:46:41,894 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11113 states. [2022-07-14 01:46:42,086 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11113 to 11106. [2022-07-14 01:46:42,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11106 states, 7799 states have (on average 1.342608026670086) internal successors, (10471), 7926 states have internal predecessors, (10471), 2732 states have call successors, (2732), 571 states have call predecessors, (2732), 574 states have return successors, (2739), 2728 states have call predecessors, (2739), 2731 states have call successors, (2739) [2022-07-14 01:46:42,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11106 states to 11106 states and 15942 transitions. [2022-07-14 01:46:42,129 INFO L78 Accepts]: Start accepts. Automaton has 11106 states and 15942 transitions. Word has length 597 [2022-07-14 01:46:42,131 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 01:46:42,131 INFO L495 AbstractCegarLoop]: Abstraction has 11106 states and 15942 transitions. [2022-07-14 01:46:42,131 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 28.0) internal successors, (84), 3 states have internal predecessors, (84), 2 states have call successors, (44), 2 states have call predecessors, (44), 1 states have return successors, (41), 1 states have call predecessors, (41), 1 states have call successors, (41) [2022-07-14 01:46:42,131 INFO L276 IsEmpty]: Start isEmpty. Operand 11106 states and 15942 transitions. [2022-07-14 01:46:42,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 600 [2022-07-14 01:46:42,135 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 01:46:42,135 INFO L195 NwaCegarLoop]: trace histogram [66, 22, 22, 22, 22, 22, 22, 22, 22, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 01:46:42,169 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2022-07-14 01:46:42,359 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-14 01:46:42,360 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 01:46:42,360 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 01:46:42,360 INFO L85 PathProgramCache]: Analyzing trace with hash 1858692919, now seen corresponding path program 1 times [2022-07-14 01:46:42,362 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 01:46:42,362 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1619077875] [2022-07-14 01:46:42,362 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 01:46:42,362 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 01:46:42,363 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 01:46:42,366 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-14 01:46:42,367 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2022-07-14 01:46:46,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:46:46,425 INFO L263 TraceCheckSpWp]: Trace formula consists of 4314 conjuncts, 8 conjunts are in the unsatisfiable core [2022-07-14 01:46:46,432 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 01:46:47,496 INFO L134 CoverageAnalysis]: Checked inductivity of 7356 backedges. 504 proven. 6 refuted. 0 times theorem prover too weak. 6846 trivial. 0 not checked. [2022-07-14 01:46:47,497 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-14 01:46:51,250 INFO L134 CoverageAnalysis]: Checked inductivity of 7356 backedges. 0 proven. 468 refuted. 0 times theorem prover too weak. 6888 trivial. 0 not checked. [2022-07-14 01:46:51,250 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 01:46:51,250 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1619077875] [2022-07-14 01:46:51,250 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1619077875] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-14 01:46:51,250 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-07-14 01:46:51,251 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 15 [2022-07-14 01:46:51,251 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1078198509] [2022-07-14 01:46:51,251 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-07-14 01:46:51,252 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-07-14 01:46:51,252 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 01:46:51,252 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-07-14 01:46:51,252 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=165, Unknown=0, NotChecked=0, Total=210 [2022-07-14 01:46:51,253 INFO L87 Difference]: Start difference. First operand 11106 states and 15942 transitions. Second operand has 15 states, 13 states have (on average 8.461538461538462) internal successors, (110), 15 states have internal predecessors, (110), 4 states have call successors, (68), 2 states have call predecessors, (68), 5 states have return successors, (66), 4 states have call predecessors, (66), 4 states have call successors, (66) [2022-07-14 01:46:59,122 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 01:46:59,123 INFO L93 Difference]: Finished difference Result 22210 states and 32059 transitions. [2022-07-14 01:46:59,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-07-14 01:46:59,124 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 13 states have (on average 8.461538461538462) internal successors, (110), 15 states have internal predecessors, (110), 4 states have call successors, (68), 2 states have call predecessors, (68), 5 states have return successors, (66), 4 states have call predecessors, (66), 4 states have call successors, (66) Word has length 599 [2022-07-14 01:46:59,124 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 01:46:59,171 INFO L225 Difference]: With dead ends: 22210 [2022-07-14 01:46:59,171 INFO L226 Difference]: Without dead ends: 11134 [2022-07-14 01:46:59,311 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1202 GetRequests, 1183 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 4.0s TimeCoverageRelationStatistics Valid=89, Invalid=331, Unknown=0, NotChecked=0, Total=420 [2022-07-14 01:46:59,312 INFO L413 NwaCegarLoop]: 4129 mSDtfsCounter, 25 mSDsluCounter, 32867 mSDsCounter, 0 mSdLazyCounter, 510 mSolverCounterSat, 70 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 36996 SdHoareTripleChecker+Invalid, 580 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 70 IncrementalHoareTripleChecker+Valid, 510 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.5s IncrementalHoareTripleChecker+Time [2022-07-14 01:46:59,312 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [27 Valid, 36996 Invalid, 580 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [70 Valid, 510 Invalid, 0 Unknown, 0 Unchecked, 6.5s Time] [2022-07-14 01:46:59,322 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11134 states. [2022-07-14 01:46:59,499 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11134 to 11110. [2022-07-14 01:46:59,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11110 states, 7803 states have (on average 1.3429450211457132) internal successors, (10479), 7930 states have internal predecessors, (10479), 2732 states have call successors, (2732), 571 states have call predecessors, (2732), 574 states have return successors, (2739), 2728 states have call predecessors, (2739), 2731 states have call successors, (2739) [2022-07-14 01:46:59,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11110 states to 11110 states and 15950 transitions. [2022-07-14 01:46:59,623 INFO L78 Accepts]: Start accepts. Automaton has 11110 states and 15950 transitions. Word has length 599 [2022-07-14 01:46:59,625 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 01:46:59,625 INFO L495 AbstractCegarLoop]: Abstraction has 11110 states and 15950 transitions. [2022-07-14 01:46:59,625 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 13 states have (on average 8.461538461538462) internal successors, (110), 15 states have internal predecessors, (110), 4 states have call successors, (68), 2 states have call predecessors, (68), 5 states have return successors, (66), 4 states have call predecessors, (66), 4 states have call successors, (66) [2022-07-14 01:46:59,626 INFO L276 IsEmpty]: Start isEmpty. Operand 11110 states and 15950 transitions. [2022-07-14 01:46:59,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 622 [2022-07-14 01:46:59,629 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 01:46:59,630 INFO L195 NwaCegarLoop]: trace histogram [88, 22, 22, 22, 22, 22, 22, 22, 22, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 01:46:59,697 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2022-07-14 01:46:59,849 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-14 01:46:59,850 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 01:46:59,850 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 01:46:59,850 INFO L85 PathProgramCache]: Analyzing trace with hash -1272303691, now seen corresponding path program 2 times [2022-07-14 01:46:59,852 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 01:46:59,852 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [963350312] [2022-07-14 01:46:59,852 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-07-14 01:46:59,853 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 01:46:59,853 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 01:46:59,854 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-14 01:46:59,855 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2022-07-14 01:47:01,914 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-07-14 01:47:01,914 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-14 01:47:01,997 INFO L263 TraceCheckSpWp]: Trace formula consists of 2085 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-14 01:47:02,069 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 01:47:02,500 INFO L134 CoverageAnalysis]: Checked inductivity of 9523 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9523 trivial. 0 not checked. [2022-07-14 01:47:02,500 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 01:47:02,500 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 01:47:02,500 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [963350312] [2022-07-14 01:47:02,500 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [963350312] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 01:47:02,500 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 01:47:02,500 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-14 01:47:02,501 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [663317754] [2022-07-14 01:47:02,501 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 01:47:02,501 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-14 01:47:02,501 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 01:47:02,501 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-14 01:47:02,501 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 01:47:02,502 INFO L87 Difference]: Start difference. First operand 11110 states and 15950 transitions. Second operand has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 3 states have internal predecessors, (86), 2 states have call successors, (44), 2 states have call predecessors, (44), 1 states have return successors, (41), 1 states have call predecessors, (41), 1 states have call successors, (41) [2022-07-14 01:47:03,232 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 01:47:03,233 INFO L93 Difference]: Finished difference Result 32748 states and 46985 transitions. [2022-07-14 01:47:03,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-14 01:47:03,234 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 3 states have internal predecessors, (86), 2 states have call successors, (44), 2 states have call predecessors, (44), 1 states have return successors, (41), 1 states have call predecessors, (41), 1 states have call successors, (41) Word has length 621 [2022-07-14 01:47:03,235 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 01:47:03,346 INFO L225 Difference]: With dead ends: 32748 [2022-07-14 01:47:03,347 INFO L226 Difference]: Without dead ends: 21735 [2022-07-14 01:47:03,384 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 620 GetRequests, 619 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 01:47:03,384 INFO L413 NwaCegarLoop]: 4924 mSDtfsCounter, 3970 mSDsluCounter, 4007 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3970 SdHoareTripleChecker+Valid, 8931 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-07-14 01:47:03,384 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3970 Valid, 8931 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-07-14 01:47:03,402 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21735 states. [2022-07-14 01:47:03,856 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21735 to 21732. [2022-07-14 01:47:03,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21732 states, 15261 states have (on average 1.3425725706048097) internal successors, (20489), 15512 states have internal predecessors, (20489), 5330 states have call successors, (5330), 1133 states have call predecessors, (5330), 1140 states have return successors, (5345), 5326 states have call predecessors, (5345), 5329 states have call successors, (5345) [2022-07-14 01:47:04,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21732 states to 21732 states and 31164 transitions. [2022-07-14 01:47:04,045 INFO L78 Accepts]: Start accepts. Automaton has 21732 states and 31164 transitions. Word has length 621 [2022-07-14 01:47:04,046 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 01:47:04,046 INFO L495 AbstractCegarLoop]: Abstraction has 21732 states and 31164 transitions. [2022-07-14 01:47:04,047 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 3 states have internal predecessors, (86), 2 states have call successors, (44), 2 states have call predecessors, (44), 1 states have return successors, (41), 1 states have call predecessors, (41), 1 states have call successors, (41) [2022-07-14 01:47:04,047 INFO L276 IsEmpty]: Start isEmpty. Operand 21732 states and 31164 transitions. [2022-07-14 01:47:04,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 646 [2022-07-14 01:47:04,052 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 01:47:04,053 INFO L195 NwaCegarLoop]: trace histogram [88, 22, 22, 22, 22, 22, 22, 22, 22, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 01:47:04,102 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2022-07-14 01:47:04,279 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-14 01:47:04,280 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 01:47:04,280 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 01:47:04,280 INFO L85 PathProgramCache]: Analyzing trace with hash -1544902890, now seen corresponding path program 1 times [2022-07-14 01:47:04,282 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 01:47:04,282 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1274639552] [2022-07-14 01:47:04,282 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 01:47:04,282 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 01:47:04,282 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 01:47:04,296 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-14 01:47:04,320 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2022-07-14 01:47:08,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:47:09,070 INFO L263 TraceCheckSpWp]: Trace formula consists of 4905 conjuncts, 9 conjunts are in the unsatisfiable core [2022-07-14 01:47:09,077 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 01:47:10,258 INFO L134 CoverageAnalysis]: Checked inductivity of 9526 backedges. 1351 proven. 10 refuted. 0 times theorem prover too weak. 8165 trivial. 0 not checked. [2022-07-14 01:47:10,258 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-14 01:47:14,642 INFO L134 CoverageAnalysis]: Checked inductivity of 9526 backedges. 31 proven. 630 refuted. 0 times theorem prover too weak. 8865 trivial. 0 not checked. [2022-07-14 01:47:14,642 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 01:47:14,643 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1274639552] [2022-07-14 01:47:14,643 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1274639552] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-14 01:47:14,643 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-07-14 01:47:14,643 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 17 [2022-07-14 01:47:14,643 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [598990523] [2022-07-14 01:47:14,643 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-07-14 01:47:14,644 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-07-14 01:47:14,644 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 01:47:14,644 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-07-14 01:47:14,644 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=217, Unknown=0, NotChecked=0, Total=272 [2022-07-14 01:47:14,644 INFO L87 Difference]: Start difference. First operand 21732 states and 31164 transitions. Second operand has 17 states, 15 states have (on average 8.8) internal successors, (132), 17 states have internal predecessors, (132), 4 states have call successors, (73), 2 states have call predecessors, (73), 5 states have return successors, (71), 4 states have call predecessors, (71), 4 states have call successors, (71) [2022-07-14 01:47:23,180 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 01:47:23,180 INFO L93 Difference]: Finished difference Result 43509 states and 62728 transitions. [2022-07-14 01:47:23,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-07-14 01:47:23,181 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 15 states have (on average 8.8) internal successors, (132), 17 states have internal predecessors, (132), 4 states have call successors, (73), 2 states have call predecessors, (73), 5 states have return successors, (71), 4 states have call predecessors, (71), 4 states have call successors, (71) Word has length 645 [2022-07-14 01:47:23,181 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 01:47:23,349 INFO L225 Difference]: With dead ends: 43509 [2022-07-14 01:47:23,350 INFO L226 Difference]: Without dead ends: 21810 [2022-07-14 01:47:23,419 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1294 GetRequests, 1273 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 4.7s TimeCoverageRelationStatistics Valid=106, Invalid=400, Unknown=0, NotChecked=0, Total=506 [2022-07-14 01:47:23,421 INFO L413 NwaCegarLoop]: 4129 mSDtfsCounter, 64 mSDsluCounter, 32853 mSDsCounter, 0 mSdLazyCounter, 562 mSolverCounterSat, 69 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 65 SdHoareTripleChecker+Valid, 36982 SdHoareTripleChecker+Invalid, 631 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 69 IncrementalHoareTripleChecker+Valid, 562 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.0s IncrementalHoareTripleChecker+Time [2022-07-14 01:47:23,422 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [65 Valid, 36982 Invalid, 631 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [69 Valid, 562 Invalid, 0 Unknown, 0 Unchecked, 7.0s Time] [2022-07-14 01:47:23,436 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21810 states. [2022-07-14 01:47:23,875 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21810 to 21748. [2022-07-14 01:47:23,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21748 states, 15276 states have (on average 1.3430217334380727) internal successors, (20516), 15527 states have internal predecessors, (20516), 5330 states have call successors, (5330), 1134 states have call predecessors, (5330), 1141 states have return successors, (5347), 5326 states have call predecessors, (5347), 5329 states have call successors, (5347) [2022-07-14 01:47:23,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21748 states to 21748 states and 31193 transitions. [2022-07-14 01:47:23,973 INFO L78 Accepts]: Start accepts. Automaton has 21748 states and 31193 transitions. Word has length 645 [2022-07-14 01:47:23,974 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 01:47:23,974 INFO L495 AbstractCegarLoop]: Abstraction has 21748 states and 31193 transitions. [2022-07-14 01:47:23,974 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 15 states have (on average 8.8) internal successors, (132), 17 states have internal predecessors, (132), 4 states have call successors, (73), 2 states have call predecessors, (73), 5 states have return successors, (71), 4 states have call predecessors, (71), 4 states have call successors, (71) [2022-07-14 01:47:23,974 INFO L276 IsEmpty]: Start isEmpty. Operand 21748 states and 31193 transitions. [2022-07-14 01:47:23,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 654 [2022-07-14 01:47:23,980 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 01:47:23,980 INFO L195 NwaCegarLoop]: trace histogram [96, 22, 22, 22, 22, 22, 22, 22, 22, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 01:47:24,054 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2022-07-14 01:47:24,203 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-14 01:47:24,204 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 01:47:24,204 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 01:47:24,204 INFO L85 PathProgramCache]: Analyzing trace with hash -1387607110, now seen corresponding path program 2 times [2022-07-14 01:47:24,206 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 01:47:24,206 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [854146344] [2022-07-14 01:47:24,206 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-07-14 01:47:24,206 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 01:47:24,206 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 01:47:24,208 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-14 01:47:24,274 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2022-07-14 01:47:26,778 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-07-14 01:47:26,778 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-14 01:47:26,870 INFO L263 TraceCheckSpWp]: Trace formula consists of 2376 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-14 01:47:26,881 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 01:47:41,449 INFO L134 CoverageAnalysis]: Checked inductivity of 10434 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10434 trivial. 0 not checked. [2022-07-14 01:47:41,449 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 01:47:41,449 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 01:47:41,449 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [854146344] [2022-07-14 01:47:41,450 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [854146344] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 01:47:41,450 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 01:47:41,450 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-14 01:47:41,450 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [342171926] [2022-07-14 01:47:41,450 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 01:47:41,450 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-14 01:47:41,451 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 01:47:41,451 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-14 01:47:41,451 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 01:47:41,451 INFO L87 Difference]: Start difference. First operand 21748 states and 31193 transitions. Second operand has 3 states, 3 states have (on average 34.0) internal successors, (102), 2 states have internal predecessors, (102), 2 states have call successors, (47), 2 states have call predecessors, (47), 1 states have return successors, (44), 1 states have call predecessors, (44), 1 states have call successors, (44) [2022-07-14 01:47:41,772 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 01:47:41,772 INFO L93 Difference]: Finished difference Result 21864 states and 31301 transitions. [2022-07-14 01:47:41,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-14 01:47:41,773 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 34.0) internal successors, (102), 2 states have internal predecessors, (102), 2 states have call successors, (47), 2 states have call predecessors, (47), 1 states have return successors, (44), 1 states have call predecessors, (44), 1 states have call successors, (44) Word has length 653 [2022-07-14 01:47:41,774 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 01:47:41,775 INFO L225 Difference]: With dead ends: 21864 [2022-07-14 01:47:41,775 INFO L226 Difference]: Without dead ends: 0 [2022-07-14 01:47:41,808 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 652 GetRequests, 651 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 01:47:41,809 INFO L413 NwaCegarLoop]: 4150 mSDtfsCounter, 3811 mSDsluCounter, 158 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3811 SdHoareTripleChecker+Valid, 4308 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-14 01:47:41,809 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3811 Valid, 4308 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-14 01:47:41,809 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-07-14 01:47:41,810 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-07-14 01:47:41,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-14 01:47:41,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-07-14 01:47:41,813 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 653 [2022-07-14 01:47:41,813 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 01:47:41,813 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-14 01:47:41,813 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 34.0) internal successors, (102), 2 states have internal predecessors, (102), 2 states have call successors, (47), 2 states have call predecessors, (47), 1 states have return successors, (44), 1 states have call predecessors, (44), 1 states have call successors, (44) [2022-07-14 01:47:41,813 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-07-14 01:47:41,813 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-07-14 01:47:41,815 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-07-14 01:47:41,851 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2022-07-14 01:47:42,028 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-14 01:47:42,030 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.