./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-32_7a-drivers--pcmcia--pcmcia.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 791161d1 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--pcmcia--pcmcia.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 defe568d3ecd4be058b114d2d7ea2aab8a7b360536dba6f49b11be810e3fc79e --- Real Ultimate output --- This is Ultimate 0.2.2-?-791161d [2022-07-23 01:09:40,842 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-23 01:09:40,844 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-23 01:09:40,871 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-23 01:09:40,872 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-23 01:09:40,872 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-23 01:09:40,876 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-23 01:09:40,881 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-23 01:09:40,882 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-23 01:09:40,886 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-23 01:09:40,887 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-23 01:09:40,889 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-23 01:09:40,889 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-23 01:09:40,891 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-23 01:09:40,893 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-23 01:09:40,894 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-23 01:09:40,895 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-23 01:09:40,897 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-23 01:09:40,900 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-23 01:09:40,905 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-23 01:09:40,906 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-23 01:09:40,907 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-23 01:09:40,908 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-23 01:09:40,909 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-23 01:09:40,910 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-23 01:09:40,916 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-23 01:09:40,917 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-23 01:09:40,917 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-23 01:09:40,918 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-23 01:09:40,919 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-23 01:09:40,920 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-23 01:09:40,920 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-23 01:09:40,921 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-23 01:09:40,922 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-23 01:09:40,922 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-23 01:09:40,923 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-23 01:09:40,923 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-23 01:09:40,924 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-23 01:09:40,924 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-23 01:09:40,924 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-23 01:09:40,925 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-23 01:09:40,926 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-23 01:09:40,929 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-23 01:09:40,962 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-23 01:09:40,963 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-23 01:09:40,963 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-23 01:09:40,963 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-23 01:09:40,964 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-23 01:09:40,964 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-23 01:09:40,965 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-23 01:09:40,965 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-23 01:09:40,965 INFO L138 SettingsManager]: * Use SBE=true [2022-07-23 01:09:40,966 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-23 01:09:40,966 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-23 01:09:40,966 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-23 01:09:40,966 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-23 01:09:40,967 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-23 01:09:40,967 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-23 01:09:40,967 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-23 01:09:40,967 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-23 01:09:40,967 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-23 01:09:40,967 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-23 01:09:40,968 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-23 01:09:40,968 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-23 01:09:40,968 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-23 01:09:40,968 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-23 01:09:40,968 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-23 01:09:40,969 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-23 01:09:40,969 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-23 01:09:40,969 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-23 01:09:40,969 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-23 01:09:40,969 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-23 01:09:40,969 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-23 01:09:40,970 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> defe568d3ecd4be058b114d2d7ea2aab8a7b360536dba6f49b11be810e3fc79e [2022-07-23 01:09:41,220 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-23 01:09:41,240 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-23 01:09:41,243 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-23 01:09:41,244 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-23 01:09:41,244 INFO L275 PluginConnector]: CDTParser initialized [2022-07-23 01:09:41,245 INFO L432 ainManager$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-32_7a-drivers--pcmcia--pcmcia.ko-entry_point.cil.out.i [2022-07-23 01:09:41,319 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/65f298a73/83439126a9d746f5b9cc6eedf2a6744b/FLAG7ec46c464 [2022-07-23 01:09:42,203 INFO L306 CDTParser]: Found 1 translation units. [2022-07-23 01:09:42,204 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--pcmcia--pcmcia.ko-entry_point.cil.out.i [2022-07-23 01:09:42,264 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/65f298a73/83439126a9d746f5b9cc6eedf2a6744b/FLAG7ec46c464 [2022-07-23 01:09:42,621 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/65f298a73/83439126a9d746f5b9cc6eedf2a6744b [2022-07-23 01:09:42,624 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-23 01:09:42,625 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-23 01:09:42,626 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-23 01:09:42,626 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-23 01:09:42,630 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-23 01:09:42,630 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 01:09:42" (1/1) ... [2022-07-23 01:09:42,631 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5500d315 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 01:09:42, skipping insertion in model container [2022-07-23 01:09:42,631 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 01:09:42" (1/1) ... [2022-07-23 01:09:42,637 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-23 01:09:42,799 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-23 01:09:45,576 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-32_7a-drivers--pcmcia--pcmcia.ko-entry_point.cil.out.i[443384,443397] [2022-07-23 01:09:45,857 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-23 01:09:45,930 INFO L203 MainTranslator]: Completed pre-run [2022-07-23 01:09:46,223 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: option = (unsigned int )((unsigned char )p_dev->config_index) & 63U [10869] 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) [2022-07-23 01:09:46,233 INFO L158 Benchmark]: Toolchain (without parser) took 3606.22ms. Allocated memory was 98.6MB in the beginning and 188.7MB in the end (delta: 90.2MB). Free memory was 60.8MB in the beginning and 101.4MB in the end (delta: -40.6MB). Peak memory consumption was 95.8MB. Max. memory is 16.1GB. [2022-07-23 01:09:46,233 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 98.6MB. Free memory was 76.7MB in the beginning and 76.6MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-23 01:09:46,236 INFO L158 Benchmark]: CACSL2BoogieTranslator took 3604.22ms. Allocated memory was 98.6MB in the beginning and 188.7MB in the end (delta: 90.2MB). Free memory was 60.8MB in the beginning and 101.4MB in the end (delta: -40.6MB). Peak memory consumption was 95.8MB. Max. memory is 16.1GB. [2022-07-23 01:09:46,237 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 98.6MB. Free memory was 76.7MB in the beginning and 76.6MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 3604.22ms. Allocated memory was 98.6MB in the beginning and 188.7MB in the end (delta: 90.2MB). Free memory was 60.8MB in the beginning and 101.4MB in the end (delta: -40.6MB). Peak memory consumption was 95.8MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: TypeCheckException: Type check failed for C: option = (unsigned int )((unsigned char )p_dev->config_index) & 63U [10869] de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: TypeCheckException: Type check failed for C: option = (unsigned int )((unsigned char )p_dev->config_index) & 63U [10869]: 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-32_7a-drivers--pcmcia--pcmcia.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 defe568d3ecd4be058b114d2d7ea2aab8a7b360536dba6f49b11be810e3fc79e --- Real Ultimate output --- This is Ultimate 0.2.2-?-791161d [2022-07-23 01:09:47,970 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-23 01:09:47,973 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-23 01:09:48,013 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-23 01:09:48,014 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-23 01:09:48,015 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-23 01:09:48,019 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-23 01:09:48,021 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-23 01:09:48,023 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-23 01:09:48,027 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-23 01:09:48,028 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-23 01:09:48,030 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-23 01:09:48,030 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-23 01:09:48,032 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-23 01:09:48,033 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-23 01:09:48,039 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-23 01:09:48,039 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-23 01:09:48,041 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-23 01:09:48,042 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-23 01:09:48,047 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-23 01:09:48,048 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-23 01:09:48,049 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-23 01:09:48,051 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-23 01:09:48,052 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-23 01:09:48,053 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-23 01:09:48,062 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-23 01:09:48,062 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-23 01:09:48,062 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-23 01:09:48,063 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-23 01:09:48,064 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-23 01:09:48,064 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-23 01:09:48,065 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-23 01:09:48,066 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-23 01:09:48,067 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-23 01:09:48,068 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-23 01:09:48,069 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-23 01:09:48,069 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-23 01:09:48,071 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-23 01:09:48,071 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-23 01:09:48,072 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-23 01:09:48,072 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-23 01:09:48,073 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-23 01:09:48,079 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-07-23 01:09:48,110 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-23 01:09:48,111 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-23 01:09:48,111 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-23 01:09:48,112 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-23 01:09:48,112 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-23 01:09:48,113 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-23 01:09:48,113 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-23 01:09:48,113 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-23 01:09:48,114 INFO L138 SettingsManager]: * Use SBE=true [2022-07-23 01:09:48,114 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-23 01:09:48,115 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-23 01:09:48,115 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-23 01:09:48,115 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-23 01:09:48,115 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-23 01:09:48,116 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-07-23 01:09:48,121 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-07-23 01:09:48,121 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-07-23 01:09:48,122 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-23 01:09:48,122 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-23 01:09:48,122 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-23 01:09:48,122 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-23 01:09:48,123 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-23 01:09:48,123 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-23 01:09:48,123 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-23 01:09:48,123 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-23 01:09:48,123 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-23 01:09:48,124 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-23 01:09:48,124 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-07-23 01:09:48,124 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-07-23 01:09:48,124 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-23 01:09:48,125 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-23 01:09:48,125 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-23 01:09:48,125 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-07-23 01:09:48,125 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> defe568d3ecd4be058b114d2d7ea2aab8a7b360536dba6f49b11be810e3fc79e [2022-07-23 01:09:48,471 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-23 01:09:48,490 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-23 01:09:48,492 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-23 01:09:48,493 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-23 01:09:48,493 INFO L275 PluginConnector]: CDTParser initialized [2022-07-23 01:09:48,495 INFO L432 ainManager$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-32_7a-drivers--pcmcia--pcmcia.ko-entry_point.cil.out.i [2022-07-23 01:09:48,557 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fb76f1c97/6ac0d55dc1d145a4bbfeed30780a9b56/FLAG915745f0e [2022-07-23 01:09:49,414 INFO L306 CDTParser]: Found 1 translation units. [2022-07-23 01:09:49,415 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--pcmcia--pcmcia.ko-entry_point.cil.out.i [2022-07-23 01:09:49,479 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fb76f1c97/6ac0d55dc1d145a4bbfeed30780a9b56/FLAG915745f0e [2022-07-23 01:09:49,865 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fb76f1c97/6ac0d55dc1d145a4bbfeed30780a9b56 [2022-07-23 01:09:49,867 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-23 01:09:49,868 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-23 01:09:49,869 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-23 01:09:49,870 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-23 01:09:49,873 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-23 01:09:49,874 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 01:09:49" (1/1) ... [2022-07-23 01:09:49,875 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@59d49f61 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 01:09:49, skipping insertion in model container [2022-07-23 01:09:49,875 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 01:09:49" (1/1) ... [2022-07-23 01:09:49,881 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-23 01:09:50,020 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-23 01:09:53,164 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-32_7a-drivers--pcmcia--pcmcia.ko-entry_point.cil.out.i[443384,443397] [2022-07-23 01:09:53,443 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-23 01:09:53,492 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-07-23 01:09:53,635 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-23 01:09:54,119 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-32_7a-drivers--pcmcia--pcmcia.ko-entry_point.cil.out.i[443384,443397] [2022-07-23 01:09:54,134 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-23 01:09:54,172 INFO L203 MainTranslator]: Completed pre-run [2022-07-23 01:09:54,626 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-32_7a-drivers--pcmcia--pcmcia.ko-entry_point.cil.out.i[443384,443397] [2022-07-23 01:09:54,639 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-23 01:09:54,868 INFO L208 MainTranslator]: Completed translation [2022-07-23 01:09:54,869 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 01:09:54 WrapperNode [2022-07-23 01:09:54,869 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-23 01:09:54,870 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-23 01:09:54,870 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-23 01:09:54,870 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-23 01:09:54,876 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 01:09:54" (1/1) ... [2022-07-23 01:09:55,014 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 01:09:54" (1/1) ... [2022-07-23 01:09:55,349 INFO L137 Inliner]: procedures = 486, calls = 5785, calls flagged for inlining = 211, calls inlined = 190, statements flattened = 10429 [2022-07-23 01:09:55,350 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-23 01:09:55,351 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-23 01:09:55,351 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-23 01:09:55,351 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-23 01:09:55,373 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 01:09:54" (1/1) ... [2022-07-23 01:09:55,379 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 01:09:54" (1/1) ... [2022-07-23 01:09:55,436 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 01:09:54" (1/1) ... [2022-07-23 01:09:55,437 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 01:09:54" (1/1) ... [2022-07-23 01:09:55,609 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 01:09:54" (1/1) ... [2022-07-23 01:09:55,635 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 01:09:54" (1/1) ... [2022-07-23 01:09:55,698 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 01:09:54" (1/1) ... [2022-07-23 01:09:55,766 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-23 01:09:55,767 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-23 01:09:55,768 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-23 01:09:55,768 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-23 01:09:55,769 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 01:09:54" (1/1) ... [2022-07-23 01:09:55,775 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-23 01:09:55,783 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 01:09:55,801 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-07-23 01:09:55,820 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-07-23 01:09:55,832 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2022-07-23 01:09:55,940 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2022-07-23 01:09:55,940 INFO L130 BoogieDeclarations]: Found specification of procedure strncmp [2022-07-23 01:09:55,940 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_do_loop_tuple [2022-07-23 01:09:55,940 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_do_loop_tuple [2022-07-23 01:09:55,940 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-07-23 01:09:55,940 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-07-23 01:09:55,940 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_cis_cache [2022-07-23 01:09:55,940 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_cis_cache [2022-07-23 01:09:55,940 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_device_probe [2022-07-23 01:09:55,940 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_device_probe [2022-07-23 01:09:55,941 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-23 01:09:55,941 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-23 01:09:55,941 INFO L130 BoogieDeclarations]: Found specification of procedure device_unlock [2022-07-23 01:09:55,941 INFO L138 BoogieDeclarations]: Found implementation of procedure device_unlock [2022-07-23 01:09:55,941 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_load_firmware [2022-07-23 01:09:55,942 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_load_firmware [2022-07-23 01:09:55,942 INFO L130 BoogieDeclarations]: Found specification of procedure pccard_get_next_tuple [2022-07-23 01:09:55,942 INFO L138 BoogieDeclarations]: Found implementation of procedure pccard_get_next_tuple [2022-07-23 01:09:55,942 INFO L130 BoogieDeclarations]: Found specification of procedure read_cis_cache [2022-07-23 01:09:55,942 INFO L138 BoogieDeclarations]: Found implementation of procedure read_cis_cache [2022-07-23 01:09:55,942 INFO L130 BoogieDeclarations]: Found specification of procedure crc32_le [2022-07-23 01:09:55,942 INFO L138 BoogieDeclarations]: Found implementation of procedure crc32_le [2022-07-23 01:09:55,942 INFO L130 BoogieDeclarations]: Found specification of procedure remove_cis_cache [2022-07-23 01:09:55,943 INFO L138 BoogieDeclarations]: Found implementation of procedure remove_cis_cache [2022-07-23 01:09:55,943 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2022-07-23 01:09:55,943 INFO L130 BoogieDeclarations]: Found specification of procedure __xadd_wrong_size [2022-07-23 01:09:55,943 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-23 01:09:55,943 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2022-07-23 01:09:55,943 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2022-07-23 01:09:55,943 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2022-07-23 01:09:55,943 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-07-23 01:09:55,943 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-07-23 01:09:55,944 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_requery_callback [2022-07-23 01:09:55,944 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_requery_callback [2022-07-23 01:09:55,944 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2022-07-23 01:09:55,944 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2022-07-23 01:09:55,944 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2022-07-23 01:09:55,944 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-07-23 01:09:55,944 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-07-23 01:09:55,944 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_validate_mem [2022-07-23 01:09:55,944 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_validate_mem [2022-07-23 01:09:55,944 INFO L130 BoogieDeclarations]: Found specification of procedure release_io_space [2022-07-23 01:09:55,945 INFO L138 BoogieDeclarations]: Found implementation of procedure release_io_space [2022-07-23 01:09:55,945 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_bus_early_resume [2022-07-23 01:09:55,945 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_bus_early_resume [2022-07-23 01:09:55,945 INFO L130 BoogieDeclarations]: Found specification of procedure follow_link [2022-07-23 01:09:55,945 INFO L138 BoogieDeclarations]: Found implementation of procedure follow_link [2022-07-23 01:09:55,945 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2022-07-23 01:09:55,945 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2022-07-23 01:09:55,945 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_read_cis_mem [2022-07-23 01:09:55,945 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_read_cis_mem [2022-07-23 01:09:55,945 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_card_add [2022-07-23 01:09:55,946 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_card_add [2022-07-23 01:09:55,946 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_device_query [2022-07-23 01:09:55,946 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_device_query [2022-07-23 01:09:55,946 INFO L130 BoogieDeclarations]: Found specification of procedure parse_strings [2022-07-23 01:09:55,946 INFO L138 BoogieDeclarations]: Found implementation of procedure parse_strings [2022-07-23 01:09:55,946 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-23 01:09:55,946 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-23 01:09:55,946 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_bus_resume_callback [2022-07-23 01:09:55,946 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_bus_resume_callback [2022-07-23 01:09:55,946 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_skt_mutex_of_pcmcia_socket [2022-07-23 01:09:55,946 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_skt_mutex_of_pcmcia_socket [2022-07-23 01:09:55,947 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_put_socket [2022-07-23 01:09:55,947 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_put_socket [2022-07-23 01:09:55,947 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_enable_device [2022-07-23 01:09:55,947 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_enable_device [2022-07-23 01:09:55,947 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_setup_isa_irq [2022-07-23 01:09:55,947 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_setup_isa_irq [2022-07-23 01:09:55,947 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~C_INT [2022-07-23 01:09:55,947 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~C_INT [2022-07-23 01:09:55,947 INFO L130 BoogieDeclarations]: Found specification of procedure kref_put [2022-07-23 01:09:55,947 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_put [2022-07-23 01:09:55,947 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2022-07-23 01:09:55,948 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2022-07-23 01:09:55,948 INFO L130 BoogieDeclarations]: Found specification of procedure pccard_get_first_tuple [2022-07-23 01:09:55,948 INFO L138 BoogieDeclarations]: Found implementation of procedure pccard_get_first_tuple [2022-07-23 01:09:55,948 INFO L130 BoogieDeclarations]: Found specification of procedure device_lock [2022-07-23 01:09:55,948 INFO L138 BoogieDeclarations]: Found implementation of procedure device_lock [2022-07-23 01:09:55,948 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-23 01:09:55,948 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2022-07-23 01:09:55,948 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2022-07-23 01:09:55,948 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_release_dev [2022-07-23 01:09:55,948 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_release_dev [2022-07-23 01:09:55,948 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_do_loop_config [2022-07-23 01:09:55,949 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_do_loop_config [2022-07-23 01:09:55,949 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-23 01:09:55,949 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_card_remove [2022-07-23 01:09:55,949 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_card_remove [2022-07-23 01:09:55,949 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_bus_add_socket [2022-07-23 01:09:55,949 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_bus_add_socket [2022-07-23 01:09:55,949 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-07-23 01:09:55,949 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-07-23 01:09:55,949 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-23 01:09:55,949 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2022-07-23 01:09:55,949 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2022-07-23 01:09:55,949 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-07-23 01:09:55,950 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-07-23 01:09:55,950 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2022-07-23 01:09:55,950 INFO L130 BoogieDeclarations]: Found specification of procedure release_resource [2022-07-23 01:09:55,950 INFO L138 BoogieDeclarations]: Found implementation of procedure release_resource [2022-07-23 01:09:55,950 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2022-07-23 01:09:55,950 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2022-07-23 01:09:55,950 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_fixup_iowidth [2022-07-23 01:09:55,950 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_fixup_iowidth [2022-07-23 01:09:55,950 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_221 [2022-07-23 01:09:55,950 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_221 [2022-07-23 01:09:55,950 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-07-23 01:09:55,950 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-07-23 01:09:55,951 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2022-07-23 01:09:55,951 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2022-07-23 01:09:55,951 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2022-07-23 01:09:55,954 INFO L130 BoogieDeclarations]: Found specification of procedure writeb [2022-07-23 01:09:55,954 INFO L138 BoogieDeclarations]: Found implementation of procedure writeb [2022-07-23 01:09:55,954 INFO L130 BoogieDeclarations]: Found specification of procedure set_cis_map [2022-07-23 01:09:55,954 INFO L138 BoogieDeclarations]: Found implementation of procedure set_cis_map [2022-07-23 01:09:55,955 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_device_remove [2022-07-23 01:09:55,956 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_device_remove [2022-07-23 01:09:55,956 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-23 01:09:55,956 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-23 01:09:55,961 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_ops_mutex_of_pcmcia_socket [2022-07-23 01:09:55,961 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_ops_mutex_of_pcmcia_socket [2022-07-23 01:09:55,961 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_ops_mutex_of_pcmcia_socket [2022-07-23 01:09:55,962 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_ops_mutex_of_pcmcia_socket [2022-07-23 01:09:55,962 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-07-23 01:09:55,962 INFO L130 BoogieDeclarations]: Found specification of procedure kref_sub [2022-07-23 01:09:55,962 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_sub [2022-07-23 01:09:55,962 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-07-23 01:09:55,962 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_put_dev [2022-07-23 01:09:55,963 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_put_dev [2022-07-23 01:09:55,963 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-07-23 01:09:55,963 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-23 01:09:55,963 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-07-23 01:09:55,963 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-23 01:09:55,963 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-23 01:09:55,963 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-23 01:09:55,964 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2022-07-23 01:09:55,964 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2022-07-23 01:09:55,964 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_parse_uevents [2022-07-23 01:09:55,964 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_parse_uevents [2022-07-23 01:09:55,964 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_devmatch [2022-07-23 01:09:55,964 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_devmatch [2022-07-23 01:09:55,965 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-07-23 01:09:55,965 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-07-23 01:09:55,966 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_get_mac_from_cis [2022-07-23 01:09:55,966 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_get_mac_from_cis [2022-07-23 01:09:55,966 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-07-23 01:09:55,966 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-07-23 01:09:55,966 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-23 01:09:55,966 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-23 01:09:55,966 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-07-23 01:09:55,967 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-07-23 01:09:55,967 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_bus_add [2022-07-23 01:09:55,967 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_bus_add [2022-07-23 01:09:55,967 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2022-07-23 01:09:55,967 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2022-07-23 01:09:55,967 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_le16 [2022-07-23 01:09:55,968 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_le16 [2022-07-23 01:09:55,968 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_io_space [2022-07-23 01:09:55,968 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_io_space [2022-07-23 01:09:55,968 INFO L130 BoogieDeclarations]: Found specification of procedure pccard_get_tuple_data [2022-07-23 01:09:55,968 INFO L138 BoogieDeclarations]: Found implementation of procedure pccard_get_tuple_data [2022-07-23 01:09:55,968 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-23 01:09:55,969 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_request_irq [2022-07-23 01:09:55,969 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_request_irq [2022-07-23 01:09:55,969 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_parse_tuple [2022-07-23 01:09:55,969 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_parse_tuple [2022-07-23 01:09:55,969 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-07-23 01:09:55,969 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-07-23 01:09:55,970 INFO L130 BoogieDeclarations]: Found specification of procedure module_put [2022-07-23 01:09:55,970 INFO L138 BoogieDeclarations]: Found implementation of procedure module_put [2022-07-23 01:09:55,970 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-23 01:09:55,970 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap [2022-07-23 01:09:55,970 INFO L138 BoogieDeclarations]: Found implementation of procedure ioremap [2022-07-23 01:09:55,971 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_disable_device [2022-07-23 01:09:55,971 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_disable_device [2022-07-23 01:09:55,971 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_le32 [2022-07-23 01:09:55,971 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_le32 [2022-07-23 01:09:55,972 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_skt_mutex_of_pcmcia_socket [2022-07-23 01:09:55,972 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_skt_mutex_of_pcmcia_socket [2022-07-23 01:09:55,972 INFO L130 BoogieDeclarations]: Found specification of procedure driver_unregister [2022-07-23 01:09:55,972 INFO L138 BoogieDeclarations]: Found implementation of procedure driver_unregister [2022-07-23 01:09:55,972 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2022-07-23 01:09:55,973 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-07-23 01:09:55,973 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-07-23 01:09:55,973 INFO L130 BoogieDeclarations]: Found specification of procedure bus_for_each_dev [2022-07-23 01:09:55,973 INFO L138 BoogieDeclarations]: Found implementation of procedure bus_for_each_dev [2022-07-23 01:09:55,973 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-07-23 01:09:55,973 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-23 01:09:55,973 INFO L130 BoogieDeclarations]: Found specification of procedure request_resource [2022-07-23 01:09:55,974 INFO L138 BoogieDeclarations]: Found implementation of procedure request_resource [2022-07-23 01:09:55,974 INFO L130 BoogieDeclarations]: Found specification of procedure put_device [2022-07-23 01:09:55,974 INFO L138 BoogieDeclarations]: Found implementation of procedure put_device [2022-07-23 01:09:55,974 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_release_configuration [2022-07-23 01:09:55,974 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_release_configuration [2022-07-23 01:09:55,975 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-07-23 01:09:55,975 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-07-23 01:09:55,975 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_bus_suspend [2022-07-23 01:09:55,975 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_bus_suspend [2022-07-23 01:09:55,975 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_release_window [2022-07-23 01:09:55,976 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_release_window [2022-07-23 01:09:55,976 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_find_mem_region [2022-07-23 01:09:55,976 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_find_mem_region [2022-07-23 01:09:55,976 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_device_add [2022-07-23 01:09:55,976 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_device_add [2022-07-23 01:09:55,976 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mutex_of_device [2022-07-23 01:09:55,976 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mutex_of_device [2022-07-23 01:09:55,977 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock_of_pcmcia_dynids [2022-07-23 01:09:55,977 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock_of_pcmcia_dynids [2022-07-23 01:09:55,977 INFO L130 BoogieDeclarations]: Found specification of procedure runtime_resume [2022-07-23 01:09:55,977 INFO L138 BoogieDeclarations]: Found implementation of procedure runtime_resume [2022-07-23 01:09:55,977 INFO L130 BoogieDeclarations]: Found specification of procedure bus_unregister [2022-07-23 01:09:55,978 INFO L138 BoogieDeclarations]: Found implementation of procedure bus_unregister [2022-07-23 01:09:55,978 INFO L130 BoogieDeclarations]: Found specification of procedure verify_cis_cache [2022-07-23 01:09:55,978 INFO L138 BoogieDeclarations]: Found implementation of procedure verify_cis_cache [2022-07-23 01:09:55,978 INFO L130 BoogieDeclarations]: Found specification of procedure get_device [2022-07-23 01:09:55,979 INFO L138 BoogieDeclarations]: Found implementation of procedure get_device [2022-07-23 01:09:55,979 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~C_INT [2022-07-23 01:09:55,979 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~C_INT [2022-07-23 01:09:55,979 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_bus_resume [2022-07-23 01:09:55,980 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_bus_resume [2022-07-23 01:09:55,980 INFO L130 BoogieDeclarations]: Found specification of procedure pccard_validate_cis [2022-07-23 01:09:55,980 INFO L138 BoogieDeclarations]: Found implementation of procedure pccard_validate_cis [2022-07-23 01:09:55,980 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-23 01:09:55,980 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-23 01:09:55,981 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2022-07-23 01:09:55,981 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2022-07-23 01:09:55,981 INFO L130 BoogieDeclarations]: Found specification of procedure pccard_loop_tuple [2022-07-23 01:09:55,981 INFO L138 BoogieDeclarations]: Found implementation of procedure pccard_loop_tuple [2022-07-23 01:09:55,981 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-07-23 01:09:55,981 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_loop_tuple [2022-07-23 01:09:55,981 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_loop_tuple [2022-07-23 01:09:55,982 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2022-07-23 01:09:55,982 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-23 01:09:55,982 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-23 01:09:55,982 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~C_INT [2022-07-23 01:09:55,982 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~C_INT [2022-07-23 01:09:55,983 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_requery [2022-07-23 01:09:55,983 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_requery [2022-07-23 01:09:55,986 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_bus_suspend_callback [2022-07-23 01:09:55,986 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_bus_suspend_callback [2022-07-23 01:09:55,986 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_bus_match [2022-07-23 01:09:55,986 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_bus_match [2022-07-23 01:09:55,986 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2022-07-23 01:09:55,987 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2022-07-23 01:09:55,987 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_dev_suspend [2022-07-23 01:09:55,987 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_dev_suspend [2022-07-23 01:09:55,988 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_bus_uevent [2022-07-23 01:09:55,988 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_bus_uevent [2022-07-23 01:09:55,988 INFO L130 BoogieDeclarations]: Found specification of procedure pccard_register_pcmcia [2022-07-23 01:09:55,988 INFO L138 BoogieDeclarations]: Found implementation of procedure pccard_register_pcmcia [2022-07-23 01:09:55,988 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_replace_cis [2022-07-23 01:09:55,989 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_replace_cis [2022-07-23 01:09:55,989 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_bus_remove [2022-07-23 01:09:55,989 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_bus_remove [2022-07-23 01:09:55,989 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_loop_config [2022-07-23 01:09:55,989 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_loop_config [2022-07-23 01:09:55,989 INFO L130 BoogieDeclarations]: Found specification of procedure parse_power [2022-07-23 01:09:55,989 INFO L138 BoogieDeclarations]: Found implementation of procedure parse_power [2022-07-23 01:09:55,990 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_get_socket [2022-07-23 01:09:55,990 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_get_socket [2022-07-23 01:09:55,990 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_write_cis_mem [2022-07-23 01:09:55,990 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_write_cis_mem [2022-07-23 01:09:55,990 INFO L130 BoogieDeclarations]: Found specification of procedure runtime_suspend [2022-07-23 01:09:55,990 INFO L138 BoogieDeclarations]: Found implementation of procedure runtime_suspend [2022-07-23 01:09:55,990 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex_of_device [2022-07-23 01:09:55,991 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex_of_device [2022-07-23 01:09:55,991 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock_of_pcmcia_dynids [2022-07-23 01:09:55,991 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock_of_pcmcia_dynids [2022-07-23 01:09:55,991 INFO L130 BoogieDeclarations]: Found specification of procedure resource_size [2022-07-23 01:09:55,991 INFO L138 BoogieDeclarations]: Found implementation of procedure resource_size [2022-07-23 01:09:55,991 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2022-07-23 01:09:55,992 INFO L130 BoogieDeclarations]: Found specification of procedure readb [2022-07-23 01:09:55,992 INFO L138 BoogieDeclarations]: Found implementation of procedure readb [2022-07-23 01:09:55,992 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_dev_resume [2022-07-23 01:09:55,992 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_dev_resume [2022-07-23 01:09:55,992 INFO L130 BoogieDeclarations]: Found specification of procedure pccard_read_tuple [2022-07-23 01:09:55,992 INFO L138 BoogieDeclarations]: Found implementation of procedure pccard_read_tuple [2022-07-23 01:09:57,055 INFO L234 CfgBuilder]: Building ICFG [2022-07-23 01:09:57,058 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-23 01:09:57,178 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-23 01:12:06,000 INFO L275 CfgBuilder]: Performing block encoding [2022-07-23 01:12:06,024 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-23 01:12:06,024 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-07-23 01:12:06,030 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 01:12:06 BoogieIcfgContainer [2022-07-23 01:12:06,030 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-23 01:12:06,032 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-23 01:12:06,032 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-23 01:12:06,034 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-23 01:12:06,035 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.07 01:09:49" (1/3) ... [2022-07-23 01:12:06,035 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e8075e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.07 01:12:06, skipping insertion in model container [2022-07-23 01:12:06,035 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 01:09:54" (2/3) ... [2022-07-23 01:12:06,036 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e8075e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.07 01:12:06, skipping insertion in model container [2022-07-23 01:12:06,036 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 01:12:06" (3/3) ... [2022-07-23 01:12:06,037 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-32_7a-drivers--pcmcia--pcmcia.ko-entry_point.cil.out.i [2022-07-23 01:12:06,050 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-23 01:12:06,050 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-23 01:12:06,162 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-23 01:12:06,166 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@7710adeb, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@15d5a75d [2022-07-23 01:12:06,167 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-23 01:12:06,178 INFO L276 IsEmpty]: Start isEmpty. Operand has 2925 states, 2090 states have (on average 1.422488038277512) internal successors, (2973), 2148 states have internal predecessors, (2973), 712 states have call successors, (712), 122 states have call predecessors, (712), 121 states have return successors, (693), 691 states have call predecessors, (693), 693 states have call successors, (693) [2022-07-23 01:12:06,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 705 [2022-07-23 01:12:06,209 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 01:12:06,211 INFO L195 NwaCegarLoop]: trace histogram [40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 01:12:06,211 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 01:12:06,216 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 01:12:06,216 INFO L85 PathProgramCache]: Analyzing trace with hash -1010162225, now seen corresponding path program 1 times [2022-07-23 01:12:06,235 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 01:12:06,236 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1523209754] [2022-07-23 01:12:06,236 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 01:12:06,237 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 01:12:06,237 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 01:12:06,239 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-23 01:12:06,241 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-07-23 01:12:11,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:12:11,669 INFO L263 TraceCheckSpWp]: Trace formula consists of 4910 conjuncts, 1 conjunts are in the unsatisfiable core [2022-07-23 01:12:11,711 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 01:12:11,818 INFO L134 CoverageAnalysis]: Checked inductivity of 10974 backedges. 4371 proven. 0 refuted. 0 times theorem prover too weak. 6603 trivial. 0 not checked. [2022-07-23 01:12:11,818 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-23 01:12:11,819 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-23 01:12:11,819 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1523209754] [2022-07-23 01:12:11,820 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1523209754] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 01:12:11,820 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 01:12:11,820 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-23 01:12:11,822 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [497397635] [2022-07-23 01:12:11,823 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 01:12:11,828 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-07-23 01:12:11,828 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-23 01:12:11,848 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-07-23 01:12:11,848 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-07-23 01:12:11,857 INFO L87 Difference]: Start difference. First operand has 2925 states, 2090 states have (on average 1.422488038277512) internal successors, (2973), 2148 states have internal predecessors, (2973), 712 states have call successors, (712), 122 states have call predecessors, (712), 121 states have return successors, (693), 691 states have call predecessors, (693), 693 states have call successors, (693) Second operand has 2 states, 2 states have (on average 43.0) internal successors, (86), 2 states have internal predecessors, (86), 2 states have call successors, (52), 2 states have call predecessors, (52), 2 states have return successors, (50), 2 states have call predecessors, (50), 2 states have call successors, (50) [2022-07-23 01:12:12,122 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 01:12:12,122 INFO L93 Difference]: Finished difference Result 5845 states and 9083 transitions. [2022-07-23 01:12:12,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-07-23 01:12:12,126 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 43.0) internal successors, (86), 2 states have internal predecessors, (86), 2 states have call successors, (52), 2 states have call predecessors, (52), 2 states have return successors, (50), 2 states have call predecessors, (50), 2 states have call successors, (50) Word has length 704 [2022-07-23 01:12:12,127 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 01:12:12,163 INFO L225 Difference]: With dead ends: 5845 [2022-07-23 01:12:12,163 INFO L226 Difference]: Without dead ends: 2899 [2022-07-23 01:12:12,191 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 703 GetRequests, 703 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-07-23 01:12:12,194 INFO L413 NwaCegarLoop]: 4361 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, 4361 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-23 01:12:12,195 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 4361 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-23 01:12:12,214 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2899 states. [2022-07-23 01:12:12,375 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2899 to 2899. [2022-07-23 01:12:12,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2899 states, 2085 states have (on average 1.4129496402877697) internal successors, (2946), 2122 states have internal predecessors, (2946), 693 states have call successors, (693), 121 states have call predecessors, (693), 120 states have return successors, (679), 677 states have call predecessors, (679), 679 states have call successors, (679) [2022-07-23 01:12:12,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2899 states to 2899 states and 4318 transitions. [2022-07-23 01:12:12,411 INFO L78 Accepts]: Start accepts. Automaton has 2899 states and 4318 transitions. Word has length 704 [2022-07-23 01:12:12,413 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 01:12:12,413 INFO L495 AbstractCegarLoop]: Abstraction has 2899 states and 4318 transitions. [2022-07-23 01:12:12,413 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 43.0) internal successors, (86), 2 states have internal predecessors, (86), 2 states have call successors, (52), 2 states have call predecessors, (52), 2 states have return successors, (50), 2 states have call predecessors, (50), 2 states have call successors, (50) [2022-07-23 01:12:12,413 INFO L276 IsEmpty]: Start isEmpty. Operand 2899 states and 4318 transitions. [2022-07-23 01:12:12,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 705 [2022-07-23 01:12:12,435 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 01:12:12,436 INFO L195 NwaCegarLoop]: trace histogram [40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 01:12:12,563 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-07-23 01:12:12,652 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-23 01:12:12,654 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 01:12:12,654 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 01:12:12,654 INFO L85 PathProgramCache]: Analyzing trace with hash 968871455, now seen corresponding path program 1 times [2022-07-23 01:12:12,658 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 01:12:12,658 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [666110521] [2022-07-23 01:12:12,658 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 01:12:12,658 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 01:12:12,659 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 01:12:12,661 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-23 01:12:12,664 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-07-23 01:12:22,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:12:22,630 INFO L263 TraceCheckSpWp]: Trace formula consists of 4910 conjuncts, 5 conjunts are in the unsatisfiable core [2022-07-23 01:12:22,644 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 01:12:22,917 INFO L134 CoverageAnalysis]: Checked inductivity of 10974 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 10947 trivial. 0 not checked. [2022-07-23 01:12:22,917 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-23 01:12:22,918 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-23 01:12:22,918 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [666110521] [2022-07-23 01:12:22,918 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [666110521] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 01:12:22,918 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 01:12:22,919 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-23 01:12:22,919 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1655619780] [2022-07-23 01:12:22,919 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 01:12:22,921 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-23 01:12:22,921 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-23 01:12:22,922 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-23 01:12:22,922 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-23 01:12:22,922 INFO L87 Difference]: Start difference. First operand 2899 states and 4318 transitions. Second operand has 6 states, 5 states have (on average 16.4) internal successors, (82), 6 states have internal predecessors, (82), 3 states have call successors, (51), 2 states have call predecessors, (51), 4 states have return successors, (48), 3 states have call predecessors, (48), 3 states have call successors, (48) [2022-07-23 01:12:24,186 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 01:12:24,187 INFO L93 Difference]: Finished difference Result 5720 states and 8531 transitions. [2022-07-23 01:12:24,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-23 01:12:24,188 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 16.4) internal successors, (82), 6 states have internal predecessors, (82), 3 states have call successors, (51), 2 states have call predecessors, (51), 4 states have return successors, (48), 3 states have call predecessors, (48), 3 states have call successors, (48) Word has length 704 [2022-07-23 01:12:24,192 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 01:12:24,210 INFO L225 Difference]: With dead ends: 5720 [2022-07-23 01:12:24,210 INFO L226 Difference]: Without dead ends: 2902 [2022-07-23 01:12:24,225 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 705 GetRequests, 699 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-07-23 01:12:24,227 INFO L413 NwaCegarLoop]: 4303 mSDtfsCounter, 6 mSDsluCounter, 17181 mSDsCounter, 0 mSdLazyCounter, 101 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 21484 SdHoareTripleChecker+Invalid, 110 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 101 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-07-23 01:12:24,227 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 21484 Invalid, 110 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [9 Valid, 101 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-07-23 01:12:24,234 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2902 states. [2022-07-23 01:12:24,309 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2902 to 2902. [2022-07-23 01:12:24,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2902 states, 2087 states have (on average 1.4130330618112124) internal successors, (2949), 2125 states have internal predecessors, (2949), 693 states have call successors, (693), 121 states have call predecessors, (693), 121 states have return successors, (683), 677 states have call predecessors, (683), 679 states have call successors, (683) [2022-07-23 01:12:24,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2902 states to 2902 states and 4325 transitions. [2022-07-23 01:12:24,338 INFO L78 Accepts]: Start accepts. Automaton has 2902 states and 4325 transitions. Word has length 704 [2022-07-23 01:12:24,341 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 01:12:24,341 INFO L495 AbstractCegarLoop]: Abstraction has 2902 states and 4325 transitions. [2022-07-23 01:12:24,342 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 16.4) internal successors, (82), 6 states have internal predecessors, (82), 3 states have call successors, (51), 2 states have call predecessors, (51), 4 states have return successors, (48), 3 states have call predecessors, (48), 3 states have call successors, (48) [2022-07-23 01:12:24,342 INFO L276 IsEmpty]: Start isEmpty. Operand 2902 states and 4325 transitions. [2022-07-23 01:12:24,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 709 [2022-07-23 01:12:24,349 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 01:12:24,349 INFO L195 NwaCegarLoop]: trace histogram [40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 01:12:24,461 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Ended with exit code 0 [2022-07-23 01:12:24,563 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-23 01:12:24,564 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 01:12:24,564 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 01:12:24,564 INFO L85 PathProgramCache]: Analyzing trace with hash 112827215, now seen corresponding path program 1 times [2022-07-23 01:12:24,567 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 01:12:24,568 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2090481738] [2022-07-23 01:12:24,568 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 01:12:24,568 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 01:12:24,568 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 01:12:24,569 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-23 01:12:24,570 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-07-23 01:12:34,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:12:34,441 INFO L263 TraceCheckSpWp]: Trace formula consists of 4954 conjuncts, 6 conjunts are in the unsatisfiable core [2022-07-23 01:12:34,469 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 01:12:34,853 INFO L134 CoverageAnalysis]: Checked inductivity of 10996 backedges. 36 proven. 1 refuted. 0 times theorem prover too weak. 10959 trivial. 0 not checked. [2022-07-23 01:12:34,855 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-23 01:12:36,452 INFO L134 CoverageAnalysis]: Checked inductivity of 10996 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 10965 trivial. 0 not checked. [2022-07-23 01:12:36,452 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-23 01:12:36,452 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2090481738] [2022-07-23 01:12:36,452 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2090481738] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-23 01:12:36,452 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-07-23 01:12:36,453 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 11 [2022-07-23 01:12:36,453 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [224655259] [2022-07-23 01:12:36,453 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-07-23 01:12:36,454 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-07-23 01:12:36,454 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-23 01:12:36,455 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-07-23 01:12:36,455 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2022-07-23 01:12:36,455 INFO L87 Difference]: Start difference. First operand 2902 states and 4325 transitions. Second operand has 11 states, 9 states have (on average 10.777777777777779) internal successors, (97), 11 states have internal predecessors, (97), 4 states have call successors, (56), 2 states have call predecessors, (56), 5 states have return successors, (54), 4 states have call predecessors, (54), 4 states have call successors, (54) [2022-07-23 01:12:38,605 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 01:12:38,606 INFO L93 Difference]: Finished difference Result 5731 states and 8551 transitions. [2022-07-23 01:12:38,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-07-23 01:12:38,607 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 9 states have (on average 10.777777777777779) internal successors, (97), 11 states have internal predecessors, (97), 4 states have call successors, (56), 2 states have call predecessors, (56), 5 states have return successors, (54), 4 states have call predecessors, (54), 4 states have call successors, (54) Word has length 708 [2022-07-23 01:12:38,608 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 01:12:38,627 INFO L225 Difference]: With dead ends: 5731 [2022-07-23 01:12:38,628 INFO L226 Difference]: Without dead ends: 2910 [2022-07-23 01:12:38,643 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1418 GetRequests, 1405 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=52, Invalid=158, Unknown=0, NotChecked=0, Total=210 [2022-07-23 01:12:38,644 INFO L413 NwaCegarLoop]: 4305 mSDtfsCounter, 14 mSDsluCounter, 30078 mSDsCounter, 0 mSdLazyCounter, 226 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 34383 SdHoareTripleChecker+Invalid, 246 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 226 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-07-23 01:12:38,644 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 34383 Invalid, 246 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 226 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-07-23 01:12:38,649 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2910 states. [2022-07-23 01:12:38,723 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2910 to 2908. [2022-07-23 01:12:38,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2908 states, 2091 states have (on average 1.4127211860353899) internal successors, (2954), 2129 states have internal predecessors, (2954), 694 states have call successors, (694), 122 states have call predecessors, (694), 122 states have return successors, (684), 678 states have call predecessors, (684), 680 states have call successors, (684) [2022-07-23 01:12:38,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2908 states to 2908 states and 4332 transitions. [2022-07-23 01:12:38,745 INFO L78 Accepts]: Start accepts. Automaton has 2908 states and 4332 transitions. Word has length 708 [2022-07-23 01:12:38,747 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 01:12:38,748 INFO L495 AbstractCegarLoop]: Abstraction has 2908 states and 4332 transitions. [2022-07-23 01:12:38,748 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 9 states have (on average 10.777777777777779) internal successors, (97), 11 states have internal predecessors, (97), 4 states have call successors, (56), 2 states have call predecessors, (56), 5 states have return successors, (54), 4 states have call predecessors, (54), 4 states have call successors, (54) [2022-07-23 01:12:38,748 INFO L276 IsEmpty]: Start isEmpty. Operand 2908 states and 4332 transitions. [2022-07-23 01:12:38,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 713 [2022-07-23 01:12:38,753 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 01:12:38,754 INFO L195 NwaCegarLoop]: trace histogram [40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 8, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 01:12:38,883 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-07-23 01:12:38,975 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-23 01:12:38,976 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 01:12:38,976 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 01:12:38,977 INFO L85 PathProgramCache]: Analyzing trace with hash 1439905951, now seen corresponding path program 2 times [2022-07-23 01:12:38,981 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 01:12:38,981 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2052751817] [2022-07-23 01:12:38,981 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-07-23 01:12:38,981 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 01:12:38,981 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 01:12:38,986 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-23 01:12:38,988 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-07-23 01:12:43,129 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-07-23 01:12:43,130 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-23 01:12:43,277 INFO L263 TraceCheckSpWp]: Trace formula consists of 2963 conjuncts, 6 conjunts are in the unsatisfiable core [2022-07-23 01:12:43,292 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 01:12:50,978 INFO L134 CoverageAnalysis]: Checked inductivity of 11034 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11034 trivial. 0 not checked. [2022-07-23 01:12:50,978 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-23 01:12:50,979 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-23 01:12:50,979 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2052751817] [2022-07-23 01:12:50,979 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2052751817] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 01:12:50,979 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 01:12:50,979 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-23 01:12:50,979 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [52406416] [2022-07-23 01:12:50,979 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 01:12:50,980 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-23 01:12:50,980 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-23 01:12:50,980 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-23 01:12:50,980 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-23 01:12:50,981 INFO L87 Difference]: Start difference. First operand 2908 states and 4332 transitions. Second operand has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 2 states have internal predecessors, (77), 2 states have call successors, (50), 2 states have call predecessors, (50), 1 states have return successors, (47), 1 states have call predecessors, (47), 1 states have call successors, (47) [2022-07-23 01:12:51,205 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 01:12:51,205 INFO L93 Difference]: Finished difference Result 8008 states and 12273 transitions. [2022-07-23 01:12:51,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-23 01:12:51,206 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 2 states have internal predecessors, (77), 2 states have call successors, (50), 2 states have call predecessors, (50), 1 states have return successors, (47), 1 states have call predecessors, (47), 1 states have call successors, (47) Word has length 712 [2022-07-23 01:12:51,207 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 01:12:51,250 INFO L225 Difference]: With dead ends: 8008 [2022-07-23 01:12:51,250 INFO L226 Difference]: Without dead ends: 5196 [2022-07-23 01:12:51,278 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 711 GetRequests, 710 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-23 01:12:51,280 INFO L413 NwaCegarLoop]: 5252 mSDtfsCounter, 4226 mSDsluCounter, 3400 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4226 SdHoareTripleChecker+Valid, 8652 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-23 01:12:51,281 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4226 Valid, 8652 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-23 01:12:51,291 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5196 states. [2022-07-23 01:12:51,585 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5196 to 5185. [2022-07-23 01:12:51,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5185 states, 3723 states have (on average 1.4114961052914317) internal successors, (5255), 3784 states have internal predecessors, (5255), 1228 states have call successors, (1228), 236 states have call predecessors, (1228), 233 states have return successors, (1328), 1206 states have call predecessors, (1328), 1213 states have call successors, (1328) [2022-07-23 01:12:51,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5185 states to 5185 states and 7811 transitions. [2022-07-23 01:12:51,650 INFO L78 Accepts]: Start accepts. Automaton has 5185 states and 7811 transitions. Word has length 712 [2022-07-23 01:12:51,652 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 01:12:51,652 INFO L495 AbstractCegarLoop]: Abstraction has 5185 states and 7811 transitions. [2022-07-23 01:12:51,653 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 2 states have internal predecessors, (77), 2 states have call successors, (50), 2 states have call predecessors, (50), 1 states have return successors, (47), 1 states have call predecessors, (47), 1 states have call successors, (47) [2022-07-23 01:12:51,653 INFO L276 IsEmpty]: Start isEmpty. Operand 5185 states and 7811 transitions. [2022-07-23 01:12:51,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 714 [2022-07-23 01:12:51,659 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 01:12:51,659 INFO L195 NwaCegarLoop]: trace histogram [40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 8, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 01:12:51,742 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2022-07-23 01:12:51,879 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-23 01:12:51,880 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 01:12:51,880 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 01:12:51,881 INFO L85 PathProgramCache]: Analyzing trace with hash 240199978, now seen corresponding path program 1 times [2022-07-23 01:12:51,885 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 01:12:51,885 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [59729339] [2022-07-23 01:12:51,885 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 01:12:51,885 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 01:12:51,886 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 01:12:51,887 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-23 01:12:51,890 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-07-23 01:13:02,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:13:02,368 INFO L263 TraceCheckSpWp]: Trace formula consists of 4982 conjuncts, 7 conjunts are in the unsatisfiable core [2022-07-23 01:13:02,383 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 01:13:02,796 INFO L134 CoverageAnalysis]: Checked inductivity of 11034 backedges. 51 proven. 3 refuted. 0 times theorem prover too weak. 10980 trivial. 0 not checked. [2022-07-23 01:13:02,796 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-23 01:13:04,574 INFO L134 CoverageAnalysis]: Checked inductivity of 11034 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 10986 trivial. 0 not checked. [2022-07-23 01:13:04,574 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-23 01:13:04,574 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [59729339] [2022-07-23 01:13:04,575 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [59729339] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-23 01:13:04,575 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-07-23 01:13:04,575 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 13 [2022-07-23 01:13:04,575 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [398477679] [2022-07-23 01:13:04,576 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-07-23 01:13:04,576 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-07-23 01:13:04,577 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-23 01:13:04,577 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-07-23 01:13:04,577 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2022-07-23 01:13:04,578 INFO L87 Difference]: Start difference. First operand 5185 states and 7811 transitions. Second operand has 13 states, 11 states have (on average 9.0) internal successors, (99), 13 states have internal predecessors, (99), 4 states have call successors, (57), 2 states have call predecessors, (57), 5 states have return successors, (54), 4 states have call predecessors, (54), 4 states have call successors, (54) [2022-07-23 01:13:06,741 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 01:13:06,742 INFO L93 Difference]: Finished difference Result 10306 states and 15546 transitions. [2022-07-23 01:13:06,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-07-23 01:13:06,743 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 11 states have (on average 9.0) internal successors, (99), 13 states have internal predecessors, (99), 4 states have call successors, (57), 2 states have call predecessors, (57), 5 states have return successors, (54), 4 states have call predecessors, (54), 4 states have call successors, (54) Word has length 713 [2022-07-23 01:13:06,744 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 01:13:06,786 INFO L225 Difference]: With dead ends: 10306 [2022-07-23 01:13:06,786 INFO L226 Difference]: Without dead ends: 5199 [2022-07-23 01:13:06,821 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1429 GetRequests, 1413 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=69, Invalid=237, Unknown=0, NotChecked=0, Total=306 [2022-07-23 01:13:06,822 INFO L413 NwaCegarLoop]: 4304 mSDtfsCounter, 30 mSDsluCounter, 17183 mSDsCounter, 0 mSdLazyCounter, 183 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 21487 SdHoareTripleChecker+Invalid, 206 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 183 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-07-23 01:13:06,823 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 21487 Invalid, 206 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 183 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-07-23 01:13:06,831 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5199 states. [2022-07-23 01:13:07,014 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5199 to 5186. [2022-07-23 01:13:07,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5186 states, 3724 states have (on average 1.4116541353383458) internal successors, (5257), 3785 states have internal predecessors, (5257), 1228 states have call successors, (1228), 236 states have call predecessors, (1228), 233 states have return successors, (1328), 1206 states have call predecessors, (1328), 1213 states have call successors, (1328) [2022-07-23 01:13:07,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5186 states to 5186 states and 7813 transitions. [2022-07-23 01:13:07,057 INFO L78 Accepts]: Start accepts. Automaton has 5186 states and 7813 transitions. Word has length 713 [2022-07-23 01:13:07,058 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 01:13:07,058 INFO L495 AbstractCegarLoop]: Abstraction has 5186 states and 7813 transitions. [2022-07-23 01:13:07,058 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 11 states have (on average 9.0) internal successors, (99), 13 states have internal predecessors, (99), 4 states have call successors, (57), 2 states have call predecessors, (57), 5 states have return successors, (54), 4 states have call predecessors, (54), 4 states have call successors, (54) [2022-07-23 01:13:07,059 INFO L276 IsEmpty]: Start isEmpty. Operand 5186 states and 7813 transitions. [2022-07-23 01:13:07,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 718 [2022-07-23 01:13:07,064 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 01:13:07,064 INFO L195 NwaCegarLoop]: trace histogram [40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 12, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 01:13:07,206 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2022-07-23 01:13:07,284 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-23 01:13:07,285 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 01:13:07,285 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 01:13:07,285 INFO L85 PathProgramCache]: Analyzing trace with hash -1248536582, now seen corresponding path program 2 times [2022-07-23 01:13:07,289 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 01:13:07,291 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [575889707] [2022-07-23 01:13:07,291 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-07-23 01:13:07,291 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 01:13:07,291 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 01:13:07,293 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-23 01:13:07,295 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2022-07-23 01:13:11,389 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-07-23 01:13:11,389 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-23 01:13:11,531 INFO L263 TraceCheckSpWp]: Trace formula consists of 2947 conjuncts, 8 conjunts are in the unsatisfiable core [2022-07-23 01:13:11,543 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 01:13:18,342 INFO L134 CoverageAnalysis]: Checked inductivity of 11088 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11088 trivial. 0 not checked. [2022-07-23 01:13:18,343 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-23 01:13:18,343 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-23 01:13:18,343 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [575889707] [2022-07-23 01:13:18,343 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [575889707] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 01:13:18,343 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 01:13:18,344 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-23 01:13:18,344 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [701063271] [2022-07-23 01:13:18,344 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 01:13:18,345 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-23 01:13:18,345 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-23 01:13:18,345 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-23 01:13:18,345 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-23 01:13:18,346 INFO L87 Difference]: Start difference. First operand 5186 states and 7813 transitions. Second operand has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 2 states have internal predecessors, (77), 2 states have call successors, (51), 2 states have call predecessors, (51), 1 states have return successors, (47), 1 states have call predecessors, (47), 1 states have call successors, (47) [2022-07-23 01:13:18,700 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 01:13:18,701 INFO L93 Difference]: Finished difference Result 14814 states and 23347 transitions. [2022-07-23 01:13:18,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-23 01:13:18,702 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 2 states have internal predecessors, (77), 2 states have call successors, (51), 2 states have call predecessors, (51), 1 states have return successors, (47), 1 states have call predecessors, (47), 1 states have call successors, (47) Word has length 717 [2022-07-23 01:13:18,703 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 01:13:18,785 INFO L225 Difference]: With dead ends: 14814 [2022-07-23 01:13:18,785 INFO L226 Difference]: Without dead ends: 9724 [2022-07-23 01:13:18,821 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 716 GetRequests, 715 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-23 01:13:18,823 INFO L413 NwaCegarLoop]: 4987 mSDtfsCounter, 4237 mSDsluCounter, 3416 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4237 SdHoareTripleChecker+Valid, 8403 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-23 01:13:18,823 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4237 Valid, 8403 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-23 01:13:18,833 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9724 states. [2022-07-23 01:13:19,153 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9724 to 9697. [2022-07-23 01:13:19,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9697 states, 6963 states have (on average 1.4121786586241563) internal successors, (9833), 7070 states have internal predecessors, (9833), 2287 states have call successors, (2287), 460 states have call predecessors, (2287), 446 states have return successors, (2821), 2248 states have call predecessors, (2821), 2270 states have call successors, (2821) [2022-07-23 01:13:19,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9697 states to 9697 states and 14941 transitions. [2022-07-23 01:13:19,228 INFO L78 Accepts]: Start accepts. Automaton has 9697 states and 14941 transitions. Word has length 717 [2022-07-23 01:13:19,229 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 01:13:19,229 INFO L495 AbstractCegarLoop]: Abstraction has 9697 states and 14941 transitions. [2022-07-23 01:13:19,229 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 2 states have internal predecessors, (77), 2 states have call successors, (51), 2 states have call predecessors, (51), 1 states have return successors, (47), 1 states have call predecessors, (47), 1 states have call successors, (47) [2022-07-23 01:13:19,229 INFO L276 IsEmpty]: Start isEmpty. Operand 9697 states and 14941 transitions. [2022-07-23 01:13:19,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 718 [2022-07-23 01:13:19,235 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 01:13:19,236 INFO L195 NwaCegarLoop]: trace histogram [40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 12, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 01:13:19,312 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2022-07-23 01:13:19,450 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-23 01:13:19,451 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 01:13:19,451 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 01:13:19,451 INFO L85 PathProgramCache]: Analyzing trace with hash -249431367, now seen corresponding path program 1 times [2022-07-23 01:13:19,454 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 01:13:19,454 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [781982885] [2022-07-23 01:13:19,454 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 01:13:19,454 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 01:13:19,454 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 01:13:19,455 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-23 01:13:19,456 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2022-07-23 01:13:29,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:13:29,338 INFO L263 TraceCheckSpWp]: Trace formula consists of 5025 conjuncts, 8 conjunts are in the unsatisfiable core [2022-07-23 01:13:29,350 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 01:13:29,872 INFO L134 CoverageAnalysis]: Checked inductivity of 11088 backedges. 72 proven. 6 refuted. 0 times theorem prover too weak. 11010 trivial. 0 not checked. [2022-07-23 01:13:29,872 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-23 01:13:32,125 INFO L134 CoverageAnalysis]: Checked inductivity of 11088 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 11016 trivial. 0 not checked. [2022-07-23 01:13:32,125 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-23 01:13:32,125 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [781982885] [2022-07-23 01:13:32,125 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [781982885] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-23 01:13:32,125 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-07-23 01:13:32,126 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 15 [2022-07-23 01:13:32,126 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1715748991] [2022-07-23 01:13:32,126 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-07-23 01:13:32,127 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-07-23 01:13:32,127 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-23 01:13:32,128 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-07-23 01:13:32,128 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=165, Unknown=0, NotChecked=0, Total=210 [2022-07-23 01:13:32,128 INFO L87 Difference]: Start difference. First operand 9697 states and 14941 transitions. Second operand has 15 states, 13 states have (on average 7.846153846153846) internal successors, (102), 15 states have internal predecessors, (102), 4 states have call successors, (56), 2 states have call predecessors, (56), 5 states have return successors, (54), 4 states have call predecessors, (54), 4 states have call successors, (54) [2022-07-23 01:13:35,421 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 01:13:35,421 INFO L93 Difference]: Finished difference Result 19359 states and 29874 transitions. [2022-07-23 01:13:35,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-07-23 01:13:35,422 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 13 states have (on average 7.846153846153846) internal successors, (102), 15 states have internal predecessors, (102), 4 states have call successors, (56), 2 states have call predecessors, (56), 5 states have return successors, (54), 4 states have call predecessors, (54), 4 states have call successors, (54) Word has length 717 [2022-07-23 01:13:35,423 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 01:13:35,576 INFO L225 Difference]: With dead ends: 19359 [2022-07-23 01:13:35,577 INFO L226 Difference]: Without dead ends: 9740 [2022-07-23 01:13:35,611 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1438 GetRequests, 1419 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=89, Invalid=331, Unknown=0, NotChecked=0, Total=420 [2022-07-23 01:13:35,612 INFO L413 NwaCegarLoop]: 4303 mSDtfsCounter, 25 mSDsluCounter, 34347 mSDsCounter, 0 mSdLazyCounter, 375 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 38650 SdHoareTripleChecker+Invalid, 397 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 375 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-07-23 01:13:35,613 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [27 Valid, 38650 Invalid, 397 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 375 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2022-07-23 01:13:35,622 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9740 states. [2022-07-23 01:13:35,937 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9740 to 9698. [2022-07-23 01:13:35,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9698 states, 6964 states have (on average 1.412263067202757) internal successors, (9835), 7071 states have internal predecessors, (9835), 2287 states have call successors, (2287), 460 states have call predecessors, (2287), 446 states have return successors, (2821), 2248 states have call predecessors, (2821), 2270 states have call successors, (2821) [2022-07-23 01:13:36,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9698 states to 9698 states and 14943 transitions. [2022-07-23 01:13:36,027 INFO L78 Accepts]: Start accepts. Automaton has 9698 states and 14943 transitions. Word has length 717 [2022-07-23 01:13:36,029 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 01:13:36,029 INFO L495 AbstractCegarLoop]: Abstraction has 9698 states and 14943 transitions. [2022-07-23 01:13:36,029 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 13 states have (on average 7.846153846153846) internal successors, (102), 15 states have internal predecessors, (102), 4 states have call successors, (56), 2 states have call predecessors, (56), 5 states have return successors, (54), 4 states have call predecessors, (54), 4 states have call successors, (54) [2022-07-23 01:13:36,029 INFO L276 IsEmpty]: Start isEmpty. Operand 9698 states and 14943 transitions. [2022-07-23 01:13:36,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 722 [2022-07-23 01:13:36,035 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 01:13:36,035 INFO L195 NwaCegarLoop]: trace histogram [40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 16, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 01:13:36,171 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2022-07-23 01:13:36,259 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-23 01:13:36,260 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 01:13:36,260 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 01:13:36,260 INFO L85 PathProgramCache]: Analyzing trace with hash 516108649, now seen corresponding path program 2 times [2022-07-23 01:13:36,263 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 01:13:36,264 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1823191784] [2022-07-23 01:13:36,264 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-07-23 01:13:36,264 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 01:13:36,264 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 01:13:36,265 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-23 01:13:36,266 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2022-07-23 01:13:40,171 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-07-23 01:13:40,171 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-23 01:13:40,309 INFO L263 TraceCheckSpWp]: Trace formula consists of 2946 conjuncts, 6 conjunts are in the unsatisfiable core [2022-07-23 01:13:40,320 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 01:13:47,302 INFO L134 CoverageAnalysis]: Checked inductivity of 11158 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11158 trivial. 0 not checked. [2022-07-23 01:13:47,303 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-23 01:13:47,303 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-23 01:13:47,303 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1823191784] [2022-07-23 01:13:47,303 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1823191784] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 01:13:47,303 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 01:13:47,304 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-23 01:13:47,304 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1402361300] [2022-07-23 01:13:47,304 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 01:13:47,304 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-23 01:13:47,305 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-23 01:13:47,305 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-23 01:13:47,305 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-23 01:13:47,305 INFO L87 Difference]: Start difference. First operand 9698 states and 14943 transitions. Second operand has 3 states, 3 states have (on average 26.0) internal successors, (78), 2 states have internal predecessors, (78), 2 states have call successors, (50), 2 states have call predecessors, (50), 1 states have return successors, (47), 1 states have call predecessors, (47), 1 states have call successors, (47) [2022-07-23 01:13:47,620 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 01:13:47,621 INFO L93 Difference]: Finished difference Result 24233 states and 38937 transitions. [2022-07-23 01:13:47,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-23 01:13:47,621 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.0) internal successors, (78), 2 states have internal predecessors, (78), 2 states have call successors, (50), 2 states have call predecessors, (50), 1 states have return successors, (47), 1 states have call predecessors, (47), 1 states have call successors, (47) Word has length 721 [2022-07-23 01:13:47,622 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 01:13:47,701 INFO L225 Difference]: With dead ends: 24233 [2022-07-23 01:13:47,702 INFO L226 Difference]: Without dead ends: 14631 [2022-07-23 01:13:47,758 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 720 GetRequests, 719 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-23 01:13:47,759 INFO L413 NwaCegarLoop]: 5328 mSDtfsCounter, 3632 mSDsluCounter, 2932 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3632 SdHoareTripleChecker+Valid, 8260 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-23 01:13:47,759 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3632 Valid, 8260 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-23 01:13:47,777 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14631 states. [2022-07-23 01:13:48,320 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14631 to 14529. [2022-07-23 01:13:48,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14529 states, 10709 states have (on average 1.430198898123074) internal successors, (15316), 10944 states have internal predecessors, (15316), 3090 states have call successors, (3090), 791 states have call predecessors, (3090), 729 states have return successors, (3933), 2902 states have call predecessors, (3933), 3064 states have call successors, (3933) [2022-07-23 01:13:48,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14529 states to 14529 states and 22339 transitions. [2022-07-23 01:13:48,434 INFO L78 Accepts]: Start accepts. Automaton has 14529 states and 22339 transitions. Word has length 721 [2022-07-23 01:13:48,435 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 01:13:48,435 INFO L495 AbstractCegarLoop]: Abstraction has 14529 states and 22339 transitions. [2022-07-23 01:13:48,435 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.0) internal successors, (78), 2 states have internal predecessors, (78), 2 states have call successors, (50), 2 states have call predecessors, (50), 1 states have return successors, (47), 1 states have call predecessors, (47), 1 states have call successors, (47) [2022-07-23 01:13:48,436 INFO L276 IsEmpty]: Start isEmpty. Operand 14529 states and 22339 transitions. [2022-07-23 01:13:48,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 724 [2022-07-23 01:13:48,441 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 01:13:48,441 INFO L195 NwaCegarLoop]: trace histogram [40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 16, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 01:13:48,523 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2022-07-23 01:13:48,655 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-23 01:13:48,656 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 01:13:48,656 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 01:13:48,656 INFO L85 PathProgramCache]: Analyzing trace with hash -2138563789, now seen corresponding path program 1 times [2022-07-23 01:13:48,660 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 01:13:48,660 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [727583325] [2022-07-23 01:13:48,661 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 01:13:48,661 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 01:13:48,661 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 01:13:48,662 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-23 01:13:48,664 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process