./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 eb692b52 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-?-eb692b5 [2022-07-20 00:55:51,407 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-20 00:55:51,409 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-20 00:55:51,444 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-20 00:55:51,445 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-20 00:55:51,446 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-20 00:55:51,447 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-20 00:55:51,448 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-20 00:55:51,450 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-20 00:55:51,452 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-20 00:55:51,453 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-20 00:55:51,455 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-20 00:55:51,455 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-20 00:55:51,457 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-20 00:55:51,458 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-20 00:55:51,460 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-20 00:55:51,461 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-20 00:55:51,462 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-20 00:55:51,464 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-20 00:55:51,467 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-20 00:55:51,468 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-20 00:55:51,471 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-20 00:55:51,472 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-20 00:55:51,473 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-20 00:55:51,474 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-20 00:55:51,479 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-20 00:55:51,482 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-20 00:55:51,482 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-20 00:55:51,483 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-20 00:55:51,483 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-20 00:55:51,484 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-20 00:55:51,485 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-20 00:55:51,486 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-20 00:55:51,486 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-20 00:55:51,487 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-20 00:55:51,488 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-20 00:55:51,489 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-20 00:55:51,489 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-20 00:55:51,489 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-20 00:55:51,489 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-20 00:55:51,490 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-20 00:55:51,492 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-20 00:55:51,492 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-20 00:55:51,523 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-20 00:55:51,523 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-20 00:55:51,524 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-20 00:55:51,524 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-20 00:55:51,525 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-20 00:55:51,525 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-20 00:55:51,525 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-20 00:55:51,526 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-20 00:55:51,526 INFO L138 SettingsManager]: * Use SBE=true [2022-07-20 00:55:51,527 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-20 00:55:51,527 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-20 00:55:51,527 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-20 00:55:51,527 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-20 00:55:51,527 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-20 00:55:51,528 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-20 00:55:51,528 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-20 00:55:51,528 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-20 00:55:51,528 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-20 00:55:51,528 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-20 00:55:51,529 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-20 00:55:51,529 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-20 00:55:51,529 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-20 00:55:51,529 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-20 00:55:51,529 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-20 00:55:51,530 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-20 00:55:51,530 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-20 00:55:51,530 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-20 00:55:51,530 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-20 00:55:51,530 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-20 00:55:51,531 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-20 00:55:51,531 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> defe568d3ecd4be058b114d2d7ea2aab8a7b360536dba6f49b11be810e3fc79e [2022-07-20 00:55:51,778 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-20 00:55:51,799 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-20 00:55:51,802 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-20 00:55:51,803 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-20 00:55:51,803 INFO L275 PluginConnector]: CDTParser initialized [2022-07-20 00:55:51,805 INFO L432 ainManager$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 [2022-07-20 00:55:51,886 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2129b7ff3/3d124e2256c84b90b09d9c32078bae03/FLAG0b7f9a37f [2022-07-20 00:55:52,629 INFO L306 CDTParser]: Found 1 translation units. [2022-07-20 00:55:52,630 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 [2022-07-20 00:55:52,697 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2129b7ff3/3d124e2256c84b90b09d9c32078bae03/FLAG0b7f9a37f [2022-07-20 00:55:52,849 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2129b7ff3/3d124e2256c84b90b09d9c32078bae03 [2022-07-20 00:55:52,852 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-20 00:55:52,854 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-20 00:55:52,856 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-20 00:55:52,857 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-20 00:55:52,859 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-20 00:55:52,860 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 12:55:52" (1/1) ... [2022-07-20 00:55:52,861 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@78110803 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:55:52, skipping insertion in model container [2022-07-20 00:55:52,861 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 12:55:52" (1/1) ... [2022-07-20 00:55:52,867 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-20 00:55:53,030 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-20 00:55:56,344 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] [2022-07-20 00:55:56,757 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-20 00:55:56,815 INFO L203 MainTranslator]: Completed pre-run [2022-07-20 00:55:57,171 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) [2022-07-20 00:55:57,177 INFO L158 Benchmark]: Toolchain (without parser) took 4321.97ms. Allocated memory was 119.5MB in the beginning and 213.9MB in the end (delta: 94.4MB). Free memory was 71.5MB in the beginning and 121.4MB in the end (delta: -49.9MB). Peak memory consumption was 91.6MB. Max. memory is 16.1GB. [2022-07-20 00:55:57,177 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 119.5MB. Free memory is still 75.3MB. There was no memory consumed. Max. memory is 16.1GB. [2022-07-20 00:55:57,178 INFO L158 Benchmark]: CACSL2BoogieTranslator took 4318.85ms. Allocated memory was 119.5MB in the beginning and 213.9MB in the end (delta: 94.4MB). Free memory was 71.2MB in the beginning and 121.4MB in the end (delta: -50.2MB). Peak memory consumption was 89.5MB. Max. memory is 16.1GB. [2022-07-20 00:55:57,179 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 119.5MB. Free memory is still 75.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 4318.85ms. Allocated memory was 119.5MB in the beginning and 213.9MB in the end (delta: 94.4MB). Free memory was 71.2MB in the beginning and 121.4MB in the end (delta: -50.2MB). Peak memory consumption was 89.5MB. 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-?-eb692b5 [2022-07-20 00:55:58,978 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-20 00:55:58,980 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-20 00:55:59,029 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-20 00:55:59,029 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-20 00:55:59,030 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-20 00:55:59,035 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-20 00:55:59,037 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-20 00:55:59,039 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-20 00:55:59,043 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-20 00:55:59,044 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-20 00:55:59,048 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-20 00:55:59,049 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-20 00:55:59,050 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-20 00:55:59,051 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-20 00:55:59,054 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-20 00:55:59,054 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-20 00:55:59,056 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-20 00:55:59,057 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-20 00:55:59,062 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-20 00:55:59,063 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-20 00:55:59,064 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-20 00:55:59,066 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-20 00:55:59,067 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-20 00:55:59,069 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-20 00:55:59,075 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-20 00:55:59,076 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-20 00:55:59,076 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-20 00:55:59,077 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-20 00:55:59,078 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-20 00:55:59,078 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-20 00:55:59,079 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-20 00:55:59,080 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-20 00:55:59,081 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-20 00:55:59,082 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-20 00:55:59,083 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-20 00:55:59,083 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-20 00:55:59,084 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-20 00:55:59,084 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-20 00:55:59,084 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-20 00:55:59,085 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-20 00:55:59,086 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-20 00:55:59,091 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-07-20 00:55:59,122 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-20 00:55:59,123 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-20 00:55:59,124 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-20 00:55:59,124 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-20 00:55:59,125 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-20 00:55:59,125 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-20 00:55:59,126 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-20 00:55:59,126 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-20 00:55:59,126 INFO L138 SettingsManager]: * Use SBE=true [2022-07-20 00:55:59,127 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-20 00:55:59,127 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-20 00:55:59,127 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-20 00:55:59,127 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-20 00:55:59,128 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-20 00:55:59,128 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-07-20 00:55:59,128 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-07-20 00:55:59,128 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-07-20 00:55:59,129 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-20 00:55:59,129 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-20 00:55:59,129 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-20 00:55:59,129 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-20 00:55:59,130 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-20 00:55:59,130 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-20 00:55:59,130 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-20 00:55:59,130 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-20 00:55:59,130 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-20 00:55:59,131 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-20 00:55:59,131 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-07-20 00:55:59,131 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-07-20 00:55:59,131 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-20 00:55:59,132 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-20 00:55:59,132 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-20 00:55:59,132 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-07-20 00:55:59,132 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> defe568d3ecd4be058b114d2d7ea2aab8a7b360536dba6f49b11be810e3fc79e [2022-07-20 00:55:59,458 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-20 00:55:59,480 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-20 00:55:59,483 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-20 00:55:59,484 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-20 00:55:59,484 INFO L275 PluginConnector]: CDTParser initialized [2022-07-20 00:55:59,486 INFO L432 ainManager$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 [2022-07-20 00:55:59,552 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bd0a33906/b8a5a35636e34438bfad030ccc89001f/FLAG7f5a40bb8 [2022-07-20 00:56:00,453 INFO L306 CDTParser]: Found 1 translation units. [2022-07-20 00:56:00,454 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 [2022-07-20 00:56:00,529 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bd0a33906/b8a5a35636e34438bfad030ccc89001f/FLAG7f5a40bb8 [2022-07-20 00:56:00,873 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bd0a33906/b8a5a35636e34438bfad030ccc89001f [2022-07-20 00:56:00,875 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-20 00:56:00,876 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-20 00:56:00,879 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-20 00:56:00,879 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-20 00:56:00,882 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-20 00:56:00,883 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 12:56:00" (1/1) ... [2022-07-20 00:56:00,883 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@48b5b6e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:56:00, skipping insertion in model container [2022-07-20 00:56:00,884 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 12:56:00" (1/1) ... [2022-07-20 00:56:00,890 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-20 00:56:01,043 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-20 00:56:04,364 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] [2022-07-20 00:56:04,746 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-20 00:56:04,814 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-07-20 00:56:04,941 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-20 00:56:05,498 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] [2022-07-20 00:56:05,522 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-20 00:56:05,540 INFO L203 MainTranslator]: Completed pre-run [2022-07-20 00:56:06,007 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] [2022-07-20 00:56:06,021 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-20 00:56:06,256 INFO L208 MainTranslator]: Completed translation [2022-07-20 00:56:06,257 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:56:06 WrapperNode [2022-07-20 00:56:06,257 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-20 00:56:06,258 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-20 00:56:06,258 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-20 00:56:06,258 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-20 00:56:06,264 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:56:06" (1/1) ... [2022-07-20 00:56:06,399 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:56:06" (1/1) ... [2022-07-20 00:56:06,658 INFO L137 Inliner]: procedures = 486, calls = 5785, calls flagged for inlining = 211, calls inlined = 190, statements flattened = 10429 [2022-07-20 00:56:06,659 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-20 00:56:06,659 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-20 00:56:06,660 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-20 00:56:06,660 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-20 00:56:06,668 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:56:06" (1/1) ... [2022-07-20 00:56:06,668 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:56:06" (1/1) ... [2022-07-20 00:56:06,716 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:56:06" (1/1) ... [2022-07-20 00:56:06,717 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:56:06" (1/1) ... [2022-07-20 00:56:06,961 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:56:06" (1/1) ... [2022-07-20 00:56:06,988 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:56:06" (1/1) ... [2022-07-20 00:56:07,029 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:56:06" (1/1) ... [2022-07-20 00:56:07,080 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-20 00:56:07,082 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-20 00:56:07,082 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-20 00:56:07,083 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-20 00:56:07,083 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:56:06" (1/1) ... [2022-07-20 00:56:07,089 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-20 00:56:07,098 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-20 00:56:07,111 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) [2022-07-20 00:56:07,131 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 [2022-07-20 00:56:07,144 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2022-07-20 00:56:07,145 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2022-07-20 00:56:07,145 INFO L130 BoogieDeclarations]: Found specification of procedure strncmp [2022-07-20 00:56:07,145 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_do_loop_tuple [2022-07-20 00:56:07,145 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_do_loop_tuple [2022-07-20 00:56:07,145 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-07-20 00:56:07,146 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-07-20 00:56:07,146 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_cis_cache [2022-07-20 00:56:07,146 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_cis_cache [2022-07-20 00:56:07,146 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_device_probe [2022-07-20 00:56:07,146 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_device_probe [2022-07-20 00:56:07,146 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-20 00:56:07,146 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-20 00:56:07,147 INFO L130 BoogieDeclarations]: Found specification of procedure device_unlock [2022-07-20 00:56:07,147 INFO L138 BoogieDeclarations]: Found implementation of procedure device_unlock [2022-07-20 00:56:07,147 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_load_firmware [2022-07-20 00:56:07,147 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_load_firmware [2022-07-20 00:56:07,147 INFO L130 BoogieDeclarations]: Found specification of procedure pccard_get_next_tuple [2022-07-20 00:56:07,147 INFO L138 BoogieDeclarations]: Found implementation of procedure pccard_get_next_tuple [2022-07-20 00:56:07,147 INFO L130 BoogieDeclarations]: Found specification of procedure read_cis_cache [2022-07-20 00:56:07,148 INFO L138 BoogieDeclarations]: Found implementation of procedure read_cis_cache [2022-07-20 00:56:07,148 INFO L130 BoogieDeclarations]: Found specification of procedure crc32_le [2022-07-20 00:56:07,148 INFO L138 BoogieDeclarations]: Found implementation of procedure crc32_le [2022-07-20 00:56:07,148 INFO L130 BoogieDeclarations]: Found specification of procedure remove_cis_cache [2022-07-20 00:56:07,148 INFO L138 BoogieDeclarations]: Found implementation of procedure remove_cis_cache [2022-07-20 00:56:07,148 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2022-07-20 00:56:07,148 INFO L130 BoogieDeclarations]: Found specification of procedure __xadd_wrong_size [2022-07-20 00:56:07,149 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-20 00:56:07,149 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2022-07-20 00:56:07,149 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2022-07-20 00:56:07,149 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2022-07-20 00:56:07,150 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-07-20 00:56:07,150 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-07-20 00:56:07,150 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_requery_callback [2022-07-20 00:56:07,150 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_requery_callback [2022-07-20 00:56:07,150 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2022-07-20 00:56:07,150 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2022-07-20 00:56:07,151 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2022-07-20 00:56:07,151 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-07-20 00:56:07,151 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-07-20 00:56:07,151 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_validate_mem [2022-07-20 00:56:07,151 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_validate_mem [2022-07-20 00:56:07,151 INFO L130 BoogieDeclarations]: Found specification of procedure release_io_space [2022-07-20 00:56:07,152 INFO L138 BoogieDeclarations]: Found implementation of procedure release_io_space [2022-07-20 00:56:07,152 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_bus_early_resume [2022-07-20 00:56:07,152 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_bus_early_resume [2022-07-20 00:56:07,152 INFO L130 BoogieDeclarations]: Found specification of procedure follow_link [2022-07-20 00:56:07,152 INFO L138 BoogieDeclarations]: Found implementation of procedure follow_link [2022-07-20 00:56:07,153 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2022-07-20 00:56:07,153 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2022-07-20 00:56:07,154 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_read_cis_mem [2022-07-20 00:56:07,154 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_read_cis_mem [2022-07-20 00:56:07,154 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_card_add [2022-07-20 00:56:07,155 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_card_add [2022-07-20 00:56:07,155 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_device_query [2022-07-20 00:56:07,155 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_device_query [2022-07-20 00:56:07,156 INFO L130 BoogieDeclarations]: Found specification of procedure parse_strings [2022-07-20 00:56:07,156 INFO L138 BoogieDeclarations]: Found implementation of procedure parse_strings [2022-07-20 00:56:07,156 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-20 00:56:07,156 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-20 00:56:07,156 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_bus_resume_callback [2022-07-20 00:56:07,156 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_bus_resume_callback [2022-07-20 00:56:07,157 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_skt_mutex_of_pcmcia_socket [2022-07-20 00:56:07,157 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_skt_mutex_of_pcmcia_socket [2022-07-20 00:56:07,157 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_put_socket [2022-07-20 00:56:07,157 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_put_socket [2022-07-20 00:56:07,157 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_enable_device [2022-07-20 00:56:07,157 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_enable_device [2022-07-20 00:56:07,158 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_setup_isa_irq [2022-07-20 00:56:07,158 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_setup_isa_irq [2022-07-20 00:56:07,158 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~C_INT [2022-07-20 00:56:07,158 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~C_INT [2022-07-20 00:56:07,158 INFO L130 BoogieDeclarations]: Found specification of procedure kref_put [2022-07-20 00:56:07,159 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_put [2022-07-20 00:56:07,159 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2022-07-20 00:56:07,159 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2022-07-20 00:56:07,159 INFO L130 BoogieDeclarations]: Found specification of procedure pccard_get_first_tuple [2022-07-20 00:56:07,159 INFO L138 BoogieDeclarations]: Found implementation of procedure pccard_get_first_tuple [2022-07-20 00:56:07,159 INFO L130 BoogieDeclarations]: Found specification of procedure device_lock [2022-07-20 00:56:07,159 INFO L138 BoogieDeclarations]: Found implementation of procedure device_lock [2022-07-20 00:56:07,160 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-20 00:56:07,160 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2022-07-20 00:56:07,160 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2022-07-20 00:56:07,160 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_release_dev [2022-07-20 00:56:07,160 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_release_dev [2022-07-20 00:56:07,161 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_do_loop_config [2022-07-20 00:56:07,161 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_do_loop_config [2022-07-20 00:56:07,161 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-20 00:56:07,161 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_card_remove [2022-07-20 00:56:07,161 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_card_remove [2022-07-20 00:56:07,161 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_bus_add_socket [2022-07-20 00:56:07,161 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_bus_add_socket [2022-07-20 00:56:07,162 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-07-20 00:56:07,162 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-07-20 00:56:07,162 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-20 00:56:07,162 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2022-07-20 00:56:07,162 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2022-07-20 00:56:07,162 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-07-20 00:56:07,162 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-07-20 00:56:07,162 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2022-07-20 00:56:07,163 INFO L130 BoogieDeclarations]: Found specification of procedure release_resource [2022-07-20 00:56:07,163 INFO L138 BoogieDeclarations]: Found implementation of procedure release_resource [2022-07-20 00:56:07,163 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2022-07-20 00:56:07,163 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2022-07-20 00:56:07,163 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_fixup_iowidth [2022-07-20 00:56:07,163 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_fixup_iowidth [2022-07-20 00:56:07,163 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_221 [2022-07-20 00:56:07,164 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_221 [2022-07-20 00:56:07,164 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-07-20 00:56:07,164 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-07-20 00:56:07,164 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2022-07-20 00:56:07,164 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2022-07-20 00:56:07,164 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2022-07-20 00:56:07,164 INFO L130 BoogieDeclarations]: Found specification of procedure writeb [2022-07-20 00:56:07,165 INFO L138 BoogieDeclarations]: Found implementation of procedure writeb [2022-07-20 00:56:07,165 INFO L130 BoogieDeclarations]: Found specification of procedure set_cis_map [2022-07-20 00:56:07,165 INFO L138 BoogieDeclarations]: Found implementation of procedure set_cis_map [2022-07-20 00:56:07,165 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_device_remove [2022-07-20 00:56:07,165 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_device_remove [2022-07-20 00:56:07,165 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-20 00:56:07,165 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-20 00:56:07,166 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_ops_mutex_of_pcmcia_socket [2022-07-20 00:56:07,166 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_ops_mutex_of_pcmcia_socket [2022-07-20 00:56:07,166 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_ops_mutex_of_pcmcia_socket [2022-07-20 00:56:07,166 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_ops_mutex_of_pcmcia_socket [2022-07-20 00:56:07,166 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-07-20 00:56:07,166 INFO L130 BoogieDeclarations]: Found specification of procedure kref_sub [2022-07-20 00:56:07,166 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_sub [2022-07-20 00:56:07,167 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-07-20 00:56:07,167 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_put_dev [2022-07-20 00:56:07,167 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_put_dev [2022-07-20 00:56:07,167 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-07-20 00:56:07,167 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-20 00:56:07,167 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-07-20 00:56:07,167 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-20 00:56:07,168 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-20 00:56:07,168 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-20 00:56:07,168 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2022-07-20 00:56:07,168 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2022-07-20 00:56:07,168 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_parse_uevents [2022-07-20 00:56:07,168 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_parse_uevents [2022-07-20 00:56:07,168 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_devmatch [2022-07-20 00:56:07,168 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_devmatch [2022-07-20 00:56:07,169 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-07-20 00:56:07,169 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-07-20 00:56:07,169 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_get_mac_from_cis [2022-07-20 00:56:07,169 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_get_mac_from_cis [2022-07-20 00:56:07,169 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-07-20 00:56:07,169 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-07-20 00:56:07,169 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-20 00:56:07,169 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-20 00:56:07,170 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-07-20 00:56:07,170 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-07-20 00:56:07,170 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_bus_add [2022-07-20 00:56:07,170 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_bus_add [2022-07-20 00:56:07,170 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2022-07-20 00:56:07,170 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2022-07-20 00:56:07,170 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_le16 [2022-07-20 00:56:07,170 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_le16 [2022-07-20 00:56:07,171 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_io_space [2022-07-20 00:56:07,171 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_io_space [2022-07-20 00:56:07,171 INFO L130 BoogieDeclarations]: Found specification of procedure pccard_get_tuple_data [2022-07-20 00:56:07,171 INFO L138 BoogieDeclarations]: Found implementation of procedure pccard_get_tuple_data [2022-07-20 00:56:07,171 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-20 00:56:07,171 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_request_irq [2022-07-20 00:56:07,171 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_request_irq [2022-07-20 00:56:07,171 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_parse_tuple [2022-07-20 00:56:07,172 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_parse_tuple [2022-07-20 00:56:07,172 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-07-20 00:56:07,172 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-07-20 00:56:07,172 INFO L130 BoogieDeclarations]: Found specification of procedure module_put [2022-07-20 00:56:07,172 INFO L138 BoogieDeclarations]: Found implementation of procedure module_put [2022-07-20 00:56:07,172 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-20 00:56:07,172 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap [2022-07-20 00:56:07,173 INFO L138 BoogieDeclarations]: Found implementation of procedure ioremap [2022-07-20 00:56:07,173 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_disable_device [2022-07-20 00:56:07,173 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_disable_device [2022-07-20 00:56:07,173 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_le32 [2022-07-20 00:56:07,173 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_le32 [2022-07-20 00:56:07,173 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_skt_mutex_of_pcmcia_socket [2022-07-20 00:56:07,173 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_skt_mutex_of_pcmcia_socket [2022-07-20 00:56:07,173 INFO L130 BoogieDeclarations]: Found specification of procedure driver_unregister [2022-07-20 00:56:07,174 INFO L138 BoogieDeclarations]: Found implementation of procedure driver_unregister [2022-07-20 00:56:07,174 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2022-07-20 00:56:07,174 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-07-20 00:56:07,174 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-07-20 00:56:07,174 INFO L130 BoogieDeclarations]: Found specification of procedure bus_for_each_dev [2022-07-20 00:56:07,174 INFO L138 BoogieDeclarations]: Found implementation of procedure bus_for_each_dev [2022-07-20 00:56:07,174 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-07-20 00:56:07,174 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-20 00:56:07,175 INFO L130 BoogieDeclarations]: Found specification of procedure request_resource [2022-07-20 00:56:07,175 INFO L138 BoogieDeclarations]: Found implementation of procedure request_resource [2022-07-20 00:56:07,175 INFO L130 BoogieDeclarations]: Found specification of procedure put_device [2022-07-20 00:56:07,175 INFO L138 BoogieDeclarations]: Found implementation of procedure put_device [2022-07-20 00:56:07,175 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_release_configuration [2022-07-20 00:56:07,175 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_release_configuration [2022-07-20 00:56:07,175 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-07-20 00:56:07,175 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-07-20 00:56:07,176 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_bus_suspend [2022-07-20 00:56:07,176 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_bus_suspend [2022-07-20 00:56:07,176 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_release_window [2022-07-20 00:56:07,176 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_release_window [2022-07-20 00:56:07,176 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_find_mem_region [2022-07-20 00:56:07,176 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_find_mem_region [2022-07-20 00:56:07,176 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_device_add [2022-07-20 00:56:07,176 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_device_add [2022-07-20 00:56:07,177 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mutex_of_device [2022-07-20 00:56:07,177 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mutex_of_device [2022-07-20 00:56:07,177 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock_of_pcmcia_dynids [2022-07-20 00:56:07,177 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock_of_pcmcia_dynids [2022-07-20 00:56:07,177 INFO L130 BoogieDeclarations]: Found specification of procedure runtime_resume [2022-07-20 00:56:07,177 INFO L138 BoogieDeclarations]: Found implementation of procedure runtime_resume [2022-07-20 00:56:07,177 INFO L130 BoogieDeclarations]: Found specification of procedure bus_unregister [2022-07-20 00:56:07,178 INFO L138 BoogieDeclarations]: Found implementation of procedure bus_unregister [2022-07-20 00:56:07,178 INFO L130 BoogieDeclarations]: Found specification of procedure verify_cis_cache [2022-07-20 00:56:07,178 INFO L138 BoogieDeclarations]: Found implementation of procedure verify_cis_cache [2022-07-20 00:56:07,178 INFO L130 BoogieDeclarations]: Found specification of procedure get_device [2022-07-20 00:56:07,178 INFO L138 BoogieDeclarations]: Found implementation of procedure get_device [2022-07-20 00:56:07,178 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~C_INT [2022-07-20 00:56:07,178 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~C_INT [2022-07-20 00:56:07,178 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_bus_resume [2022-07-20 00:56:07,179 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_bus_resume [2022-07-20 00:56:07,179 INFO L130 BoogieDeclarations]: Found specification of procedure pccard_validate_cis [2022-07-20 00:56:07,179 INFO L138 BoogieDeclarations]: Found implementation of procedure pccard_validate_cis [2022-07-20 00:56:07,179 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-20 00:56:07,179 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-20 00:56:07,179 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2022-07-20 00:56:07,179 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2022-07-20 00:56:07,179 INFO L130 BoogieDeclarations]: Found specification of procedure pccard_loop_tuple [2022-07-20 00:56:07,180 INFO L138 BoogieDeclarations]: Found implementation of procedure pccard_loop_tuple [2022-07-20 00:56:07,180 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-07-20 00:56:07,180 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_loop_tuple [2022-07-20 00:56:07,180 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_loop_tuple [2022-07-20 00:56:07,180 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2022-07-20 00:56:07,180 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-20 00:56:07,180 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-20 00:56:07,181 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~C_INT [2022-07-20 00:56:07,181 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~C_INT [2022-07-20 00:56:07,181 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_requery [2022-07-20 00:56:07,181 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_requery [2022-07-20 00:56:07,181 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_bus_suspend_callback [2022-07-20 00:56:07,181 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_bus_suspend_callback [2022-07-20 00:56:07,181 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_bus_match [2022-07-20 00:56:07,181 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_bus_match [2022-07-20 00:56:07,182 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2022-07-20 00:56:07,182 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2022-07-20 00:56:07,182 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_dev_suspend [2022-07-20 00:56:07,182 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_dev_suspend [2022-07-20 00:56:07,182 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_bus_uevent [2022-07-20 00:56:07,183 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_bus_uevent [2022-07-20 00:56:07,183 INFO L130 BoogieDeclarations]: Found specification of procedure pccard_register_pcmcia [2022-07-20 00:56:07,183 INFO L138 BoogieDeclarations]: Found implementation of procedure pccard_register_pcmcia [2022-07-20 00:56:07,183 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_replace_cis [2022-07-20 00:56:07,183 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_replace_cis [2022-07-20 00:56:07,183 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_bus_remove [2022-07-20 00:56:07,183 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_bus_remove [2022-07-20 00:56:07,184 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_loop_config [2022-07-20 00:56:07,184 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_loop_config [2022-07-20 00:56:07,184 INFO L130 BoogieDeclarations]: Found specification of procedure parse_power [2022-07-20 00:56:07,184 INFO L138 BoogieDeclarations]: Found implementation of procedure parse_power [2022-07-20 00:56:07,184 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_get_socket [2022-07-20 00:56:07,184 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_get_socket [2022-07-20 00:56:07,184 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_write_cis_mem [2022-07-20 00:56:07,184 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_write_cis_mem [2022-07-20 00:56:07,185 INFO L130 BoogieDeclarations]: Found specification of procedure runtime_suspend [2022-07-20 00:56:07,185 INFO L138 BoogieDeclarations]: Found implementation of procedure runtime_suspend [2022-07-20 00:56:07,185 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex_of_device [2022-07-20 00:56:07,185 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex_of_device [2022-07-20 00:56:07,185 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock_of_pcmcia_dynids [2022-07-20 00:56:07,185 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock_of_pcmcia_dynids [2022-07-20 00:56:07,185 INFO L130 BoogieDeclarations]: Found specification of procedure resource_size [2022-07-20 00:56:07,185 INFO L138 BoogieDeclarations]: Found implementation of procedure resource_size [2022-07-20 00:56:07,186 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2022-07-20 00:56:07,186 INFO L130 BoogieDeclarations]: Found specification of procedure readb [2022-07-20 00:56:07,186 INFO L138 BoogieDeclarations]: Found implementation of procedure readb [2022-07-20 00:56:07,186 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_dev_resume [2022-07-20 00:56:07,186 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_dev_resume [2022-07-20 00:56:07,186 INFO L130 BoogieDeclarations]: Found specification of procedure pccard_read_tuple [2022-07-20 00:56:07,186 INFO L138 BoogieDeclarations]: Found implementation of procedure pccard_read_tuple [2022-07-20 00:56:08,295 INFO L234 CfgBuilder]: Building ICFG [2022-07-20 00:56:08,298 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-20 00:56:08,417 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-20 00:58:18,063 INFO L275 CfgBuilder]: Performing block encoding [2022-07-20 00:58:18,090 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-20 00:58:18,090 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-07-20 00:58:18,095 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 12:58:18 BoogieIcfgContainer [2022-07-20 00:58:18,095 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-20 00:58:18,097 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-20 00:58:18,097 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-20 00:58:18,100 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-20 00:58:18,100 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.07 12:56:00" (1/3) ... [2022-07-20 00:58:18,101 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b3f118c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 12:58:18, skipping insertion in model container [2022-07-20 00:58:18,101 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:56:06" (2/3) ... [2022-07-20 00:58:18,101 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b3f118c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 12:58:18, skipping insertion in model container [2022-07-20 00:58:18,101 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 12:58:18" (3/3) ... [2022-07-20 00:58:18,102 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-32_7a-drivers--pcmcia--pcmcia.ko-entry_point.cil.out.i [2022-07-20 00:58:18,114 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-20 00:58:18,115 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-20 00:58:18,229 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-20 00:58:18,234 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@481f749, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@5c307a58 [2022-07-20 00:58:18,234 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-20 00:58:18,247 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) [2022-07-20 00:58:18,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 705 [2022-07-20 00:58:18,279 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 00:58:18,281 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] [2022-07-20 00:58:18,281 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 00:58:18,287 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 00:58:18,287 INFO L85 PathProgramCache]: Analyzing trace with hash -1010162225, now seen corresponding path program 1 times [2022-07-20 00:58:18,305 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-20 00:58:18,306 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [423975650] [2022-07-20 00:58:18,306 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 00:58:18,307 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-20 00:58:18,307 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-20 00:58:18,315 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) [2022-07-20 00:58:18,353 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-07-20 00:58:23,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:58:23,586 INFO L263 TraceCheckSpWp]: Trace formula consists of 4910 conjuncts, 1 conjunts are in the unsatisfiable core [2022-07-20 00:58:23,628 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 00:58:23,716 INFO L134 CoverageAnalysis]: Checked inductivity of 10974 backedges. 4371 proven. 0 refuted. 0 times theorem prover too weak. 6603 trivial. 0 not checked. [2022-07-20 00:58:23,716 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-20 00:58:23,716 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-20 00:58:23,717 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [423975650] [2022-07-20 00:58:23,717 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [423975650] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 00:58:23,717 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 00:58:23,717 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-20 00:58:23,719 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [327473167] [2022-07-20 00:58:23,722 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 00:58:23,728 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-07-20 00:58:23,728 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-20 00:58:23,747 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-07-20 00:58:23,747 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-07-20 00:58:23,755 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) [2022-07-20 00:58:23,979 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 00:58:23,979 INFO L93 Difference]: Finished difference Result 5845 states and 9083 transitions. [2022-07-20 00:58:23,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-07-20 00:58:23,982 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 [2022-07-20 00:58:23,982 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 00:58:24,018 INFO L225 Difference]: With dead ends: 5845 [2022-07-20 00:58:24,019 INFO L226 Difference]: Without dead ends: 2899 [2022-07-20 00:58:24,044 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 [2022-07-20 00:58:24,048 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 [2022-07-20 00:58:24,048 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] [2022-07-20 00:58:24,068 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2899 states. [2022-07-20 00:58:24,230 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2899 to 2899. [2022-07-20 00:58:24,238 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) [2022-07-20 00:58:24,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2899 states to 2899 states and 4318 transitions. [2022-07-20 00:58:24,267 INFO L78 Accepts]: Start accepts. Automaton has 2899 states and 4318 transitions. Word has length 704 [2022-07-20 00:58:24,268 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 00:58:24,268 INFO L495 AbstractCegarLoop]: Abstraction has 2899 states and 4318 transitions. [2022-07-20 00:58:24,269 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) [2022-07-20 00:58:24,269 INFO L276 IsEmpty]: Start isEmpty. Operand 2899 states and 4318 transitions. [2022-07-20 00:58:24,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 705 [2022-07-20 00:58:24,290 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 00:58:24,291 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] [2022-07-20 00:58:24,422 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-07-20 00:58:24,507 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-20 00:58:24,509 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 00:58:24,509 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 00:58:24,509 INFO L85 PathProgramCache]: Analyzing trace with hash 968871455, now seen corresponding path program 1 times [2022-07-20 00:58:24,514 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-20 00:58:24,514 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [569973105] [2022-07-20 00:58:24,514 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 00:58:24,514 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-20 00:58:24,514 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-20 00:58:24,517 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) [2022-07-20 00:58:24,520 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-07-20 00:58:33,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:58:33,858 INFO L263 TraceCheckSpWp]: Trace formula consists of 4910 conjuncts, 5 conjunts are in the unsatisfiable core [2022-07-20 00:58:33,874 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 00:58:34,202 INFO L134 CoverageAnalysis]: Checked inductivity of 10974 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 10947 trivial. 0 not checked. [2022-07-20 00:58:34,203 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-20 00:58:34,203 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-20 00:58:34,203 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [569973105] [2022-07-20 00:58:34,211 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [569973105] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 00:58:34,211 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 00:58:34,212 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-20 00:58:34,212 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1746854528] [2022-07-20 00:58:34,212 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 00:58:34,214 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-20 00:58:34,214 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-20 00:58:34,214 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-20 00:58:34,214 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-20 00:58:34,215 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) [2022-07-20 00:58:35,388 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 00:58:35,388 INFO L93 Difference]: Finished difference Result 5720 states and 8531 transitions. [2022-07-20 00:58:35,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-20 00:58:35,390 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 [2022-07-20 00:58:35,394 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 00:58:35,413 INFO L225 Difference]: With dead ends: 5720 [2022-07-20 00:58:35,414 INFO L226 Difference]: Without dead ends: 2902 [2022-07-20 00:58:35,432 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 [2022-07-20 00:58:35,433 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, 0.1s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 101 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-07-20 00:58:35,434 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 21484 Invalid, 110 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [9 Valid, 101 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-07-20 00:58:35,440 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2902 states. [2022-07-20 00:58:35,519 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2902 to 2902. [2022-07-20 00:58:35,527 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) [2022-07-20 00:58:35,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2902 states to 2902 states and 4325 transitions. [2022-07-20 00:58:35,548 INFO L78 Accepts]: Start accepts. Automaton has 2902 states and 4325 transitions. Word has length 704 [2022-07-20 00:58:35,551 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 00:58:35,551 INFO L495 AbstractCegarLoop]: Abstraction has 2902 states and 4325 transitions. [2022-07-20 00:58:35,551 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) [2022-07-20 00:58:35,552 INFO L276 IsEmpty]: Start isEmpty. Operand 2902 states and 4325 transitions. [2022-07-20 00:58:35,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 709 [2022-07-20 00:58:35,557 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 00:58:35,557 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] [2022-07-20 00:58:35,673 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-07-20 00:58:35,758 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-20 00:58:35,758 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 00:58:35,759 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 00:58:35,759 INFO L85 PathProgramCache]: Analyzing trace with hash 112827215, now seen corresponding path program 1 times [2022-07-20 00:58:35,763 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-20 00:58:35,763 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [717259826] [2022-07-20 00:58:35,763 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 00:58:35,763 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-20 00:58:35,764 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-20 00:58:35,766 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) [2022-07-20 00:58:35,769 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-07-20 00:58:44,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:58:44,851 INFO L263 TraceCheckSpWp]: Trace formula consists of 4954 conjuncts, 6 conjunts are in the unsatisfiable core [2022-07-20 00:58:44,875 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 00:58:45,193 INFO L134 CoverageAnalysis]: Checked inductivity of 10996 backedges. 36 proven. 1 refuted. 0 times theorem prover too weak. 10959 trivial. 0 not checked. [2022-07-20 00:58:45,194 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-20 00:58:46,793 INFO L134 CoverageAnalysis]: Checked inductivity of 10996 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 10965 trivial. 0 not checked. [2022-07-20 00:58:46,793 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-20 00:58:46,793 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [717259826] [2022-07-20 00:58:46,793 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [717259826] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-20 00:58:46,793 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-07-20 00:58:46,794 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 11 [2022-07-20 00:58:46,794 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1595638489] [2022-07-20 00:58:46,794 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-07-20 00:58:46,795 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-07-20 00:58:46,795 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-20 00:58:46,796 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-07-20 00:58:46,796 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2022-07-20 00:58:46,796 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) [2022-07-20 00:58:48,926 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 00:58:48,927 INFO L93 Difference]: Finished difference Result 5731 states and 8551 transitions. [2022-07-20 00:58:48,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-07-20 00:58:48,928 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 [2022-07-20 00:58:48,931 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 00:58:48,953 INFO L225 Difference]: With dead ends: 5731 [2022-07-20 00:58:48,953 INFO L226 Difference]: Without dead ends: 2910 [2022-07-20 00:58:48,968 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 [2022-07-20 00:58:48,970 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, 0.1s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 226 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-07-20 00:58:48,971 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 34383 Invalid, 246 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [20 Valid, 226 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-07-20 00:58:48,976 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2910 states. [2022-07-20 00:58:49,049 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2910 to 2908. [2022-07-20 00:58:49,054 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) [2022-07-20 00:58:49,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2908 states to 2908 states and 4332 transitions. [2022-07-20 00:58:49,071 INFO L78 Accepts]: Start accepts. Automaton has 2908 states and 4332 transitions. Word has length 708 [2022-07-20 00:58:49,072 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 00:58:49,072 INFO L495 AbstractCegarLoop]: Abstraction has 2908 states and 4332 transitions. [2022-07-20 00:58:49,073 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) [2022-07-20 00:58:49,073 INFO L276 IsEmpty]: Start isEmpty. Operand 2908 states and 4332 transitions. [2022-07-20 00:58:49,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 713 [2022-07-20 00:58:49,078 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 00:58:49,078 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] [2022-07-20 00:58:49,203 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-07-20 00:58:49,299 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-20 00:58:49,300 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 00:58:49,300 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 00:58:49,300 INFO L85 PathProgramCache]: Analyzing trace with hash 1439905951, now seen corresponding path program 2 times [2022-07-20 00:58:49,303 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-20 00:58:49,303 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1862972277] [2022-07-20 00:58:49,303 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-07-20 00:58:49,303 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-20 00:58:49,304 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-20 00:58:49,305 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) [2022-07-20 00:58:49,306 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-07-20 00:58:53,057 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-07-20 00:58:53,057 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-20 00:58:53,180 INFO L263 TraceCheckSpWp]: Trace formula consists of 2963 conjuncts, 6 conjunts are in the unsatisfiable core [2022-07-20 00:58:53,194 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 00:59:00,015 INFO L134 CoverageAnalysis]: Checked inductivity of 11034 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11034 trivial. 0 not checked. [2022-07-20 00:59:00,016 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-20 00:59:00,016 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-20 00:59:00,016 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1862972277] [2022-07-20 00:59:00,016 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1862972277] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 00:59:00,016 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 00:59:00,016 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-20 00:59:00,016 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1052681747] [2022-07-20 00:59:00,016 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 00:59:00,017 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-20 00:59:00,017 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-20 00:59:00,018 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-20 00:59:00,018 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 00:59:00,018 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) [2022-07-20 00:59:00,205 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 00:59:00,206 INFO L93 Difference]: Finished difference Result 8008 states and 12273 transitions. [2022-07-20 00:59:00,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-20 00:59:00,207 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 [2022-07-20 00:59:00,208 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 00:59:00,239 INFO L225 Difference]: With dead ends: 8008 [2022-07-20 00:59:00,240 INFO L226 Difference]: Without dead ends: 5196 [2022-07-20 00:59:00,262 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 [2022-07-20 00:59:00,263 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 [2022-07-20 00:59:00,263 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] [2022-07-20 00:59:00,269 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5196 states. [2022-07-20 00:59:00,433 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5196 to 5185. [2022-07-20 00:59:00,453 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) [2022-07-20 00:59:00,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5185 states to 5185 states and 7811 transitions. [2022-07-20 00:59:00,478 INFO L78 Accepts]: Start accepts. Automaton has 5185 states and 7811 transitions. Word has length 712 [2022-07-20 00:59:00,480 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 00:59:00,480 INFO L495 AbstractCegarLoop]: Abstraction has 5185 states and 7811 transitions. [2022-07-20 00:59:00,481 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) [2022-07-20 00:59:00,483 INFO L276 IsEmpty]: Start isEmpty. Operand 5185 states and 7811 transitions. [2022-07-20 00:59:00,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 714 [2022-07-20 00:59:00,488 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 00:59:00,489 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] [2022-07-20 00:59:00,550 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2022-07-20 00:59:00,715 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-20 00:59:00,715 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 00:59:00,716 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 00:59:00,716 INFO L85 PathProgramCache]: Analyzing trace with hash 240199978, now seen corresponding path program 1 times [2022-07-20 00:59:00,719 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-20 00:59:00,719 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1557853483] [2022-07-20 00:59:00,719 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 00:59:00,719 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-20 00:59:00,719 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-20 00:59:00,720 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) [2022-07-20 00:59:00,721 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-07-20 00:59:09,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:59:09,668 INFO L263 TraceCheckSpWp]: Trace formula consists of 4982 conjuncts, 7 conjunts are in the unsatisfiable core [2022-07-20 00:59:09,680 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 00:59:10,098 INFO L134 CoverageAnalysis]: Checked inductivity of 11034 backedges. 51 proven. 3 refuted. 0 times theorem prover too weak. 10980 trivial. 0 not checked. [2022-07-20 00:59:10,098 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-20 00:59:11,807 INFO L134 CoverageAnalysis]: Checked inductivity of 11034 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 10986 trivial. 0 not checked. [2022-07-20 00:59:11,807 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-20 00:59:11,807 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1557853483] [2022-07-20 00:59:11,807 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1557853483] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-20 00:59:11,808 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-07-20 00:59:11,808 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 13 [2022-07-20 00:59:11,808 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [182365749] [2022-07-20 00:59:11,808 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-07-20 00:59:11,809 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-07-20 00:59:11,810 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-20 00:59:11,810 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-07-20 00:59:11,810 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2022-07-20 00:59:11,810 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) [2022-07-20 00:59:13,736 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 00:59:13,737 INFO L93 Difference]: Finished difference Result 10306 states and 15546 transitions. [2022-07-20 00:59:13,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-07-20 00:59:13,738 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 [2022-07-20 00:59:13,739 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 00:59:13,774 INFO L225 Difference]: With dead ends: 10306 [2022-07-20 00:59:13,774 INFO L226 Difference]: Without dead ends: 5199 [2022-07-20 00:59:13,800 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1429 GetRequests, 1413 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=69, Invalid=237, Unknown=0, NotChecked=0, Total=306 [2022-07-20 00:59:13,801 INFO L413 NwaCegarLoop]: 4304 mSDtfsCounter, 30 mSDsluCounter, 17183 mSDsCounter, 0 mSdLazyCounter, 183 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s 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, 1.4s IncrementalHoareTripleChecker+Time [2022-07-20 00:59:13,802 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 21487 Invalid, 206 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 183 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-07-20 00:59:13,808 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5199 states. [2022-07-20 00:59:13,968 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5199 to 5186. [2022-07-20 00:59:13,976 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) [2022-07-20 00:59:13,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5186 states to 5186 states and 7813 transitions. [2022-07-20 00:59:14,000 INFO L78 Accepts]: Start accepts. Automaton has 5186 states and 7813 transitions. Word has length 713 [2022-07-20 00:59:14,001 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 00:59:14,001 INFO L495 AbstractCegarLoop]: Abstraction has 5186 states and 7813 transitions. [2022-07-20 00:59:14,001 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) [2022-07-20 00:59:14,002 INFO L276 IsEmpty]: Start isEmpty. Operand 5186 states and 7813 transitions. [2022-07-20 00:59:14,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 718 [2022-07-20 00:59:14,007 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 00:59:14,008 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] [2022-07-20 00:59:14,113 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Ended with exit code 0 [2022-07-20 00:59:14,227 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-20 00:59:14,227 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 00:59:14,228 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 00:59:14,228 INFO L85 PathProgramCache]: Analyzing trace with hash -1248536582, now seen corresponding path program 2 times [2022-07-20 00:59:14,231 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-20 00:59:14,231 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1786708771] [2022-07-20 00:59:14,231 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-07-20 00:59:14,231 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-20 00:59:14,231 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-20 00:59:14,232 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) [2022-07-20 00:59:14,234 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2022-07-20 00:59:18,080 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-07-20 00:59:18,080 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-20 00:59:18,206 INFO L263 TraceCheckSpWp]: Trace formula consists of 2947 conjuncts, 8 conjunts are in the unsatisfiable core [2022-07-20 00:59:18,221 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 00:59:25,014 INFO L134 CoverageAnalysis]: Checked inductivity of 11088 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11088 trivial. 0 not checked. [2022-07-20 00:59:25,014 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-20 00:59:25,014 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-20 00:59:25,015 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1786708771] [2022-07-20 00:59:25,015 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1786708771] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 00:59:25,015 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 00:59:25,015 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-20 00:59:25,015 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2128454593] [2022-07-20 00:59:25,015 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 00:59:25,016 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-20 00:59:25,016 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-20 00:59:25,017 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-20 00:59:25,017 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 00:59:25,017 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) [2022-07-20 00:59:25,283 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 00:59:25,284 INFO L93 Difference]: Finished difference Result 14814 states and 23347 transitions. [2022-07-20 00:59:25,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-20 00:59:25,285 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 [2022-07-20 00:59:25,286 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 00:59:25,366 INFO L225 Difference]: With dead ends: 14814 [2022-07-20 00:59:25,366 INFO L226 Difference]: Without dead ends: 9724 [2022-07-20 00:59:25,404 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 [2022-07-20 00:59:25,406 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 [2022-07-20 00:59:25,406 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] [2022-07-20 00:59:25,417 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9724 states. [2022-07-20 00:59:25,804 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9724 to 9697. [2022-07-20 00:59:25,817 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) [2022-07-20 00:59:25,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9697 states to 9697 states and 14941 transitions. [2022-07-20 00:59:25,870 INFO L78 Accepts]: Start accepts. Automaton has 9697 states and 14941 transitions. Word has length 717 [2022-07-20 00:59:25,871 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 00:59:25,871 INFO L495 AbstractCegarLoop]: Abstraction has 9697 states and 14941 transitions. [2022-07-20 00:59:25,871 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) [2022-07-20 00:59:25,872 INFO L276 IsEmpty]: Start isEmpty. Operand 9697 states and 14941 transitions. [2022-07-20 00:59:25,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 718 [2022-07-20 00:59:25,877 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 00:59:25,878 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] [2022-07-20 00:59:25,947 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Ended with exit code 0 [2022-07-20 00:59:26,099 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-20 00:59:26,100 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 00:59:26,100 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 00:59:26,100 INFO L85 PathProgramCache]: Analyzing trace with hash -249431367, now seen corresponding path program 1 times [2022-07-20 00:59:26,103 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-20 00:59:26,103 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [757441942] [2022-07-20 00:59:26,103 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 00:59:26,103 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-20 00:59:26,103 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-20 00:59:26,104 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) [2022-07-20 00:59:26,105 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2022-07-20 00:59:34,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:59:35,052 INFO L263 TraceCheckSpWp]: Trace formula consists of 5025 conjuncts, 8 conjunts are in the unsatisfiable core [2022-07-20 00:59:35,067 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 00:59:35,516 INFO L134 CoverageAnalysis]: Checked inductivity of 11088 backedges. 72 proven. 6 refuted. 0 times theorem prover too weak. 11010 trivial. 0 not checked. [2022-07-20 00:59:35,517 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-20 00:59:37,483 INFO L134 CoverageAnalysis]: Checked inductivity of 11088 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 11016 trivial. 0 not checked. [2022-07-20 00:59:37,483 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-20 00:59:37,483 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [757441942] [2022-07-20 00:59:37,484 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [757441942] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-20 00:59:37,484 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-07-20 00:59:37,484 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 15 [2022-07-20 00:59:37,484 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1800930326] [2022-07-20 00:59:37,484 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-07-20 00:59:37,485 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-07-20 00:59:37,486 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-20 00:59:37,486 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-07-20 00:59:37,486 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=165, Unknown=0, NotChecked=0, Total=210 [2022-07-20 00:59:37,487 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) [2022-07-20 00:59:40,778 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 00:59:40,779 INFO L93 Difference]: Finished difference Result 19359 states and 29874 transitions. [2022-07-20 00:59:40,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-07-20 00:59:40,780 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 [2022-07-20 00:59:40,781 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 00:59:40,833 INFO L225 Difference]: With dead ends: 19359 [2022-07-20 00:59:40,833 INFO L226 Difference]: Without dead ends: 9740 [2022-07-20 00:59:40,876 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1438 GetRequests, 1419 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=89, Invalid=331, Unknown=0, NotChecked=0, Total=420 [2022-07-20 00:59:40,877 INFO L413 NwaCegarLoop]: 4303 mSDtfsCounter, 25 mSDsluCounter, 34347 mSDsCounter, 0 mSdLazyCounter, 375 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s 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, 2.5s IncrementalHoareTripleChecker+Time [2022-07-20 00:59:40,877 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [27 Valid, 38650 Invalid, 397 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 375 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2022-07-20 00:59:40,887 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9740 states. [2022-07-20 00:59:41,381 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9740 to 9698. [2022-07-20 00:59:41,393 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) [2022-07-20 00:59:41,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9698 states to 9698 states and 14943 transitions. [2022-07-20 00:59:41,445 INFO L78 Accepts]: Start accepts. Automaton has 9698 states and 14943 transitions. Word has length 717 [2022-07-20 00:59:41,446 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 00:59:41,446 INFO L495 AbstractCegarLoop]: Abstraction has 9698 states and 14943 transitions. [2022-07-20 00:59:41,446 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) [2022-07-20 00:59:41,446 INFO L276 IsEmpty]: Start isEmpty. Operand 9698 states and 14943 transitions. [2022-07-20 00:59:41,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 722 [2022-07-20 00:59:41,451 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 00:59:41,452 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] [2022-07-20 00:59:41,575 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2022-07-20 00:59:41,675 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-20 00:59:41,676 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 00:59:41,676 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 00:59:41,676 INFO L85 PathProgramCache]: Analyzing trace with hash 516108649, now seen corresponding path program 2 times [2022-07-20 00:59:41,680 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-20 00:59:41,680 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [950530063] [2022-07-20 00:59:41,680 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-07-20 00:59:41,680 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-20 00:59:41,680 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-20 00:59:41,682 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) [2022-07-20 00:59:41,684 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2022-07-20 00:59:45,539 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-07-20 00:59:45,539 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-20 00:59:45,663 INFO L263 TraceCheckSpWp]: Trace formula consists of 2946 conjuncts, 6 conjunts are in the unsatisfiable core [2022-07-20 00:59:45,674 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 00:59:52,079 INFO L134 CoverageAnalysis]: Checked inductivity of 11158 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11158 trivial. 0 not checked. [2022-07-20 00:59:52,079 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-20 00:59:52,079 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-20 00:59:52,079 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [950530063] [2022-07-20 00:59:52,080 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [950530063] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 00:59:52,080 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 00:59:52,080 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-20 00:59:52,080 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [482662872] [2022-07-20 00:59:52,080 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 00:59:52,081 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-20 00:59:52,081 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-20 00:59:52,081 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-20 00:59:52,082 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 00:59:52,082 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) [2022-07-20 00:59:52,435 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 00:59:52,435 INFO L93 Difference]: Finished difference Result 24233 states and 38937 transitions. [2022-07-20 00:59:52,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-20 00:59:52,435 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 [2022-07-20 00:59:52,437 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 00:59:52,509 INFO L225 Difference]: With dead ends: 24233 [2022-07-20 00:59:52,509 INFO L226 Difference]: Without dead ends: 14631 [2022-07-20 00:59:52,575 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 [2022-07-20 00:59:52,576 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 [2022-07-20 00:59:52,576 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] [2022-07-20 00:59:52,592 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14631 states. [2022-07-20 00:59:53,121 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14631 to 14529. [2022-07-20 00:59:53,139 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) [2022-07-20 00:59:53,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14529 states to 14529 states and 22339 transitions. [2022-07-20 00:59:53,219 INFO L78 Accepts]: Start accepts. Automaton has 14529 states and 22339 transitions. Word has length 721 [2022-07-20 00:59:53,220 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 00:59:53,220 INFO L495 AbstractCegarLoop]: Abstraction has 14529 states and 22339 transitions. [2022-07-20 00:59:53,221 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) [2022-07-20 00:59:53,221 INFO L276 IsEmpty]: Start isEmpty. Operand 14529 states and 22339 transitions. [2022-07-20 00:59:53,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 724 [2022-07-20 00:59:53,226 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 00:59:53,227 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] [2022-07-20 00:59:53,301 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2022-07-20 00:59:53,439 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-20 00:59:53,440 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 00:59:53,440 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 00:59:53,440 INFO L85 PathProgramCache]: Analyzing trace with hash -2138563789, now seen corresponding path program 1 times [2022-07-20 00:59:53,444 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-20 00:59:53,444 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1577518057] [2022-07-20 00:59:53,444 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 00:59:53,444 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-20 00:59:53,444 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-20 00:59:53,446 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) [2022-07-20 00:59:53,447 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process