./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 6c24879c Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-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-?-6c24879 [2022-07-12 13:53:13,907 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-12 13:53:13,908 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-12 13:53:13,945 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-12 13:53:13,947 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-12 13:53:13,948 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-12 13:53:13,951 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-12 13:53:13,953 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-12 13:53:13,957 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-12 13:53:13,958 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-12 13:53:13,959 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-12 13:53:13,961 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-12 13:53:13,962 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-12 13:53:13,964 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-12 13:53:13,964 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-12 13:53:13,966 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-12 13:53:13,968 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-12 13:53:13,971 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-12 13:53:13,973 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-12 13:53:13,975 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-12 13:53:13,976 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-12 13:53:13,979 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-12 13:53:13,979 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-12 13:53:13,980 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-12 13:53:13,981 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-12 13:53:13,983 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-12 13:53:13,986 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-12 13:53:13,986 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-12 13:53:13,987 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-12 13:53:13,988 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-12 13:53:13,988 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-12 13:53:13,989 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-12 13:53:13,990 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-12 13:53:13,991 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-12 13:53:13,991 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-12 13:53:13,992 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-12 13:53:13,992 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-12 13:53:13,993 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-12 13:53:13,993 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-12 13:53:13,993 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-12 13:53:13,995 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-12 13:53:13,996 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-12 13:53:13,997 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-12 13:53:14,021 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-12 13:53:14,022 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-12 13:53:14,022 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-12 13:53:14,022 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-12 13:53:14,023 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-12 13:53:14,023 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-12 13:53:14,024 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-12 13:53:14,024 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-12 13:53:14,024 INFO L138 SettingsManager]: * Use SBE=true [2022-07-12 13:53:14,025 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-12 13:53:14,025 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-12 13:53:14,025 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-12 13:53:14,025 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-12 13:53:14,025 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-12 13:53:14,026 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-12 13:53:14,026 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-12 13:53:14,026 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-12 13:53:14,026 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-12 13:53:14,026 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-12 13:53:14,026 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-12 13:53:14,027 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-12 13:53:14,027 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-12 13:53:14,027 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-12 13:53:14,027 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-12 13:53:14,027 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-12 13:53:14,028 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-12 13:53:14,028 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-12 13:53:14,028 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-12 13:53:14,028 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-12 13:53:14,028 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-12 13:53:14,029 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> defe568d3ecd4be058b114d2d7ea2aab8a7b360536dba6f49b11be810e3fc79e [2022-07-12 13:53:14,222 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-12 13:53:14,239 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-12 13:53:14,241 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-12 13:53:14,241 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-12 13:53:14,242 INFO L275 PluginConnector]: CDTParser initialized [2022-07-12 13:53:14,243 INFO L432 ainManager$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 [2022-07-12 13:53:14,288 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7f22d66aa/2abdfbaf9f4a473abed43e7b59acbd68/FLAG5a74de587 [2022-07-12 13:53:14,969 INFO L306 CDTParser]: Found 1 translation units. [2022-07-12 13:53:14,970 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 [2022-07-12 13:53:15,014 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7f22d66aa/2abdfbaf9f4a473abed43e7b59acbd68/FLAG5a74de587 [2022-07-12 13:53:15,335 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7f22d66aa/2abdfbaf9f4a473abed43e7b59acbd68 [2022-07-12 13:53:15,337 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-12 13:53:15,338 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-12 13:53:15,339 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-12 13:53:15,339 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-12 13:53:15,341 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-12 13:53:15,342 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 01:53:15" (1/1) ... [2022-07-12 13:53:15,342 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2de6aa77 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 01:53:15, skipping insertion in model container [2022-07-12 13:53:15,342 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 01:53:15" (1/1) ... [2022-07-12 13:53:15,347 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-12 13:53:15,486 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-12 13:53:17,880 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] [2022-07-12 13:53:18,056 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 13:53:18,094 INFO L203 MainTranslator]: Completed pre-run [2022-07-12 13:53:18,386 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) [2022-07-12 13:53:18,391 INFO L158 Benchmark]: Toolchain (without parser) took 3051.64ms. Allocated memory was 100.7MB in the beginning and 262.1MB in the end (delta: 161.5MB). Free memory was 68.7MB in the beginning and 175.4MB in the end (delta: -106.7MB). Peak memory consumption was 124.3MB. Max. memory is 16.1GB. [2022-07-12 13:53:18,391 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 100.7MB. Free memory was 55.6MB in the beginning and 55.6MB in the end (delta: 48.0kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-12 13:53:18,393 INFO L158 Benchmark]: CACSL2BoogieTranslator took 3049.86ms. Allocated memory was 100.7MB in the beginning and 262.1MB in the end (delta: 161.5MB). Free memory was 68.7MB in the beginning and 175.4MB in the end (delta: -106.7MB). Peak memory consumption was 124.3MB. Max. memory is 16.1GB. [2022-07-12 13:53:18,394 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 100.7MB. Free memory was 55.6MB in the beginning and 55.6MB in the end (delta: 48.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 3049.86ms. Allocated memory was 100.7MB in the beginning and 262.1MB in the end (delta: 161.5MB). Free memory was 68.7MB in the beginning and 175.4MB in the end (delta: -106.7MB). Peak memory consumption was 124.3MB. 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-?-6c24879 [2022-07-12 13:53:20,094 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-12 13:53:20,097 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-12 13:53:20,137 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-12 13:53:20,138 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-12 13:53:20,139 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-12 13:53:20,142 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-12 13:53:20,144 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-12 13:53:20,146 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-12 13:53:20,154 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-12 13:53:20,155 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-12 13:53:20,159 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-12 13:53:20,159 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-12 13:53:20,160 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-12 13:53:20,161 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-12 13:53:20,164 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-12 13:53:20,164 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-12 13:53:20,165 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-12 13:53:20,166 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-12 13:53:20,171 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-12 13:53:20,172 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-12 13:53:20,172 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-12 13:53:20,174 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-12 13:53:20,175 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-12 13:53:20,176 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-12 13:53:20,181 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-12 13:53:20,181 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-12 13:53:20,181 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-12 13:53:20,182 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-12 13:53:20,182 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-12 13:53:20,183 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-12 13:53:20,183 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-12 13:53:20,184 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-12 13:53:20,185 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-12 13:53:20,186 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-12 13:53:20,186 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-12 13:53:20,186 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-12 13:53:20,187 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-12 13:53:20,187 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-12 13:53:20,187 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-12 13:53:20,188 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-12 13:53:20,189 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-12 13:53:20,195 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-07-12 13:53:20,221 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-12 13:53:20,221 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-12 13:53:20,222 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-12 13:53:20,222 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-12 13:53:20,222 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-12 13:53:20,222 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-12 13:53:20,223 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-12 13:53:20,223 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-12 13:53:20,223 INFO L138 SettingsManager]: * Use SBE=true [2022-07-12 13:53:20,224 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-12 13:53:20,224 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-12 13:53:20,224 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-12 13:53:20,225 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-12 13:53:20,225 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-12 13:53:20,225 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-07-12 13:53:20,225 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-07-12 13:53:20,225 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-07-12 13:53:20,225 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-12 13:53:20,226 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-12 13:53:20,226 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-12 13:53:20,226 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-12 13:53:20,226 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-12 13:53:20,226 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-12 13:53:20,226 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-12 13:53:20,227 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-12 13:53:20,227 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-12 13:53:20,227 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-12 13:53:20,227 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-07-12 13:53:20,227 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-07-12 13:53:20,227 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-12 13:53:20,228 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-12 13:53:20,228 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-12 13:53:20,228 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-07-12 13:53:20,228 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> defe568d3ecd4be058b114d2d7ea2aab8a7b360536dba6f49b11be810e3fc79e [2022-07-12 13:53:20,505 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-12 13:53:20,528 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-12 13:53:20,530 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-12 13:53:20,531 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-12 13:53:20,532 INFO L275 PluginConnector]: CDTParser initialized [2022-07-12 13:53:20,533 INFO L432 ainManager$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 [2022-07-12 13:53:20,599 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cc81d8a96/762c17dd019c4b7bbbb31d3889e1abda/FLAG90e9c9b9a [2022-07-12 13:53:21,334 INFO L306 CDTParser]: Found 1 translation units. [2022-07-12 13:53:21,334 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 [2022-07-12 13:53:21,385 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cc81d8a96/762c17dd019c4b7bbbb31d3889e1abda/FLAG90e9c9b9a [2022-07-12 13:53:21,846 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cc81d8a96/762c17dd019c4b7bbbb31d3889e1abda [2022-07-12 13:53:21,849 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-12 13:53:21,850 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-12 13:53:21,852 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-12 13:53:21,852 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-12 13:53:21,855 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-12 13:53:21,855 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 01:53:21" (1/1) ... [2022-07-12 13:53:21,856 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4090e036 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 01:53:21, skipping insertion in model container [2022-07-12 13:53:21,856 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 01:53:21" (1/1) ... [2022-07-12 13:53:21,861 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-12 13:53:22,014 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-12 13:53:25,558 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] [2022-07-12 13:53:25,964 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 13:53:26,031 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-07-12 13:53:26,101 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-12 13:53:26,462 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] [2022-07-12 13:53:26,472 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 13:53:26,486 INFO L203 MainTranslator]: Completed pre-run [2022-07-12 13:53:26,992 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] [2022-07-12 13:53:27,001 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 13:53:27,187 INFO L208 MainTranslator]: Completed translation [2022-07-12 13:53:27,188 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 01:53:27 WrapperNode [2022-07-12 13:53:27,188 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-12 13:53:27,189 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-12 13:53:27,189 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-12 13:53:27,189 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-12 13:53:27,194 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 01:53:27" (1/1) ... [2022-07-12 13:53:27,334 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 01:53:27" (1/1) ... [2022-07-12 13:53:27,505 INFO L137 Inliner]: procedures = 486, calls = 5785, calls flagged for inlining = 211, calls inlined = 190, statements flattened = 10429 [2022-07-12 13:53:27,506 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-12 13:53:27,506 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-12 13:53:27,506 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-12 13:53:27,506 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-12 13:53:27,513 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 01:53:27" (1/1) ... [2022-07-12 13:53:27,513 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 01:53:27" (1/1) ... [2022-07-12 13:53:27,557 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 01:53:27" (1/1) ... [2022-07-12 13:53:27,558 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 01:53:27" (1/1) ... [2022-07-12 13:53:27,745 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 01:53:27" (1/1) ... [2022-07-12 13:53:27,782 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 01:53:27" (1/1) ... [2022-07-12 13:53:27,819 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 01:53:27" (1/1) ... [2022-07-12 13:53:27,867 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-12 13:53:27,869 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-12 13:53:27,870 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-12 13:53:27,870 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-12 13:53:27,870 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 01:53:27" (1/1) ... [2022-07-12 13:53:27,876 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-12 13:53:27,883 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-12 13:53:27,893 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-07-12 13:53:27,912 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-07-12 13:53:27,924 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2022-07-12 13:53:27,924 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2022-07-12 13:53:27,924 INFO L130 BoogieDeclarations]: Found specification of procedure strncmp [2022-07-12 13:53:27,924 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_do_loop_tuple [2022-07-12 13:53:27,924 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_do_loop_tuple [2022-07-12 13:53:27,924 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-07-12 13:53:27,925 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-07-12 13:53:27,925 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_cis_cache [2022-07-12 13:53:27,925 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_cis_cache [2022-07-12 13:53:27,925 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_device_probe [2022-07-12 13:53:27,925 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_device_probe [2022-07-12 13:53:27,925 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-12 13:53:27,926 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-12 13:53:27,926 INFO L130 BoogieDeclarations]: Found specification of procedure device_unlock [2022-07-12 13:53:27,926 INFO L138 BoogieDeclarations]: Found implementation of procedure device_unlock [2022-07-12 13:53:27,926 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_load_firmware [2022-07-12 13:53:27,926 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_load_firmware [2022-07-12 13:53:27,926 INFO L130 BoogieDeclarations]: Found specification of procedure pccard_get_next_tuple [2022-07-12 13:53:27,926 INFO L138 BoogieDeclarations]: Found implementation of procedure pccard_get_next_tuple [2022-07-12 13:53:27,926 INFO L130 BoogieDeclarations]: Found specification of procedure read_cis_cache [2022-07-12 13:53:27,927 INFO L138 BoogieDeclarations]: Found implementation of procedure read_cis_cache [2022-07-12 13:53:27,927 INFO L130 BoogieDeclarations]: Found specification of procedure crc32_le [2022-07-12 13:53:27,927 INFO L138 BoogieDeclarations]: Found implementation of procedure crc32_le [2022-07-12 13:53:27,927 INFO L130 BoogieDeclarations]: Found specification of procedure remove_cis_cache [2022-07-12 13:53:27,927 INFO L138 BoogieDeclarations]: Found implementation of procedure remove_cis_cache [2022-07-12 13:53:27,927 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2022-07-12 13:53:27,928 INFO L130 BoogieDeclarations]: Found specification of procedure __xadd_wrong_size [2022-07-12 13:53:27,928 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-12 13:53:27,928 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2022-07-12 13:53:27,928 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2022-07-12 13:53:27,928 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2022-07-12 13:53:27,928 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-07-12 13:53:27,929 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-07-12 13:53:27,929 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_requery_callback [2022-07-12 13:53:27,929 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_requery_callback [2022-07-12 13:53:27,929 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2022-07-12 13:53:27,929 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2022-07-12 13:53:27,929 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2022-07-12 13:53:27,929 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-07-12 13:53:27,930 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-07-12 13:53:27,930 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_validate_mem [2022-07-12 13:53:27,930 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_validate_mem [2022-07-12 13:53:27,930 INFO L130 BoogieDeclarations]: Found specification of procedure release_io_space [2022-07-12 13:53:27,930 INFO L138 BoogieDeclarations]: Found implementation of procedure release_io_space [2022-07-12 13:53:27,930 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_bus_early_resume [2022-07-12 13:53:27,930 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_bus_early_resume [2022-07-12 13:53:27,931 INFO L130 BoogieDeclarations]: Found specification of procedure follow_link [2022-07-12 13:53:27,931 INFO L138 BoogieDeclarations]: Found implementation of procedure follow_link [2022-07-12 13:53:27,931 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2022-07-12 13:53:27,931 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2022-07-12 13:53:27,932 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_read_cis_mem [2022-07-12 13:53:27,932 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_read_cis_mem [2022-07-12 13:53:27,933 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_card_add [2022-07-12 13:53:27,933 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_card_add [2022-07-12 13:53:27,933 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_device_query [2022-07-12 13:53:27,933 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_device_query [2022-07-12 13:53:27,933 INFO L130 BoogieDeclarations]: Found specification of procedure parse_strings [2022-07-12 13:53:27,933 INFO L138 BoogieDeclarations]: Found implementation of procedure parse_strings [2022-07-12 13:53:27,933 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-12 13:53:27,933 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-12 13:53:27,933 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_bus_resume_callback [2022-07-12 13:53:27,934 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_bus_resume_callback [2022-07-12 13:53:27,934 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_skt_mutex_of_pcmcia_socket [2022-07-12 13:53:27,934 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_skt_mutex_of_pcmcia_socket [2022-07-12 13:53:27,934 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_put_socket [2022-07-12 13:53:27,934 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_put_socket [2022-07-12 13:53:27,934 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_enable_device [2022-07-12 13:53:27,934 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_enable_device [2022-07-12 13:53:27,935 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_setup_isa_irq [2022-07-12 13:53:27,935 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_setup_isa_irq [2022-07-12 13:53:27,935 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~C_INT [2022-07-12 13:53:27,935 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~C_INT [2022-07-12 13:53:27,935 INFO L130 BoogieDeclarations]: Found specification of procedure kref_put [2022-07-12 13:53:27,935 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_put [2022-07-12 13:53:27,935 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2022-07-12 13:53:27,936 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2022-07-12 13:53:27,936 INFO L130 BoogieDeclarations]: Found specification of procedure pccard_get_first_tuple [2022-07-12 13:53:27,936 INFO L138 BoogieDeclarations]: Found implementation of procedure pccard_get_first_tuple [2022-07-12 13:53:27,936 INFO L130 BoogieDeclarations]: Found specification of procedure device_lock [2022-07-12 13:53:27,936 INFO L138 BoogieDeclarations]: Found implementation of procedure device_lock [2022-07-12 13:53:27,936 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-12 13:53:27,936 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2022-07-12 13:53:27,936 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2022-07-12 13:53:27,937 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_release_dev [2022-07-12 13:53:27,937 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_release_dev [2022-07-12 13:53:27,937 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_do_loop_config [2022-07-12 13:53:27,937 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_do_loop_config [2022-07-12 13:53:27,937 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-12 13:53:27,937 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_card_remove [2022-07-12 13:53:27,938 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_card_remove [2022-07-12 13:53:27,938 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_bus_add_socket [2022-07-12 13:53:27,938 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_bus_add_socket [2022-07-12 13:53:27,939 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-07-12 13:53:27,939 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-07-12 13:53:27,939 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-12 13:53:27,939 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2022-07-12 13:53:27,939 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2022-07-12 13:53:27,939 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-07-12 13:53:27,939 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-07-12 13:53:27,940 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2022-07-12 13:53:27,940 INFO L130 BoogieDeclarations]: Found specification of procedure release_resource [2022-07-12 13:53:27,940 INFO L138 BoogieDeclarations]: Found implementation of procedure release_resource [2022-07-12 13:53:27,940 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2022-07-12 13:53:27,940 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2022-07-12 13:53:27,940 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_fixup_iowidth [2022-07-12 13:53:27,940 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_fixup_iowidth [2022-07-12 13:53:27,941 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_221 [2022-07-12 13:53:27,941 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_221 [2022-07-12 13:53:27,941 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-07-12 13:53:27,941 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-07-12 13:53:27,941 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2022-07-12 13:53:27,942 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2022-07-12 13:53:27,943 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2022-07-12 13:53:27,944 INFO L130 BoogieDeclarations]: Found specification of procedure writeb [2022-07-12 13:53:27,944 INFO L138 BoogieDeclarations]: Found implementation of procedure writeb [2022-07-12 13:53:27,944 INFO L130 BoogieDeclarations]: Found specification of procedure set_cis_map [2022-07-12 13:53:27,944 INFO L138 BoogieDeclarations]: Found implementation of procedure set_cis_map [2022-07-12 13:53:27,945 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_device_remove [2022-07-12 13:53:27,945 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_device_remove [2022-07-12 13:53:27,945 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-12 13:53:27,946 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-12 13:53:27,950 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_ops_mutex_of_pcmcia_socket [2022-07-12 13:53:27,950 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_ops_mutex_of_pcmcia_socket [2022-07-12 13:53:27,950 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_ops_mutex_of_pcmcia_socket [2022-07-12 13:53:27,950 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_ops_mutex_of_pcmcia_socket [2022-07-12 13:53:27,950 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-07-12 13:53:27,950 INFO L130 BoogieDeclarations]: Found specification of procedure kref_sub [2022-07-12 13:53:27,951 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_sub [2022-07-12 13:53:27,951 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-07-12 13:53:27,951 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_put_dev [2022-07-12 13:53:27,951 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_put_dev [2022-07-12 13:53:27,951 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-07-12 13:53:27,951 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-12 13:53:27,951 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-07-12 13:53:27,951 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-12 13:53:27,951 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-12 13:53:27,951 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-12 13:53:27,952 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2022-07-12 13:53:27,952 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2022-07-12 13:53:27,952 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_parse_uevents [2022-07-12 13:53:27,952 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_parse_uevents [2022-07-12 13:53:27,952 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_devmatch [2022-07-12 13:53:27,952 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_devmatch [2022-07-12 13:53:27,952 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-07-12 13:53:27,952 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-07-12 13:53:27,952 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_get_mac_from_cis [2022-07-12 13:53:27,952 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_get_mac_from_cis [2022-07-12 13:53:27,953 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-07-12 13:53:27,953 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-07-12 13:53:27,953 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-12 13:53:27,953 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-12 13:53:27,953 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-07-12 13:53:27,953 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-07-12 13:53:27,953 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_bus_add [2022-07-12 13:53:27,953 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_bus_add [2022-07-12 13:53:27,953 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2022-07-12 13:53:27,953 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2022-07-12 13:53:27,954 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_le16 [2022-07-12 13:53:27,954 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_le16 [2022-07-12 13:53:27,954 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_io_space [2022-07-12 13:53:27,954 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_io_space [2022-07-12 13:53:27,954 INFO L130 BoogieDeclarations]: Found specification of procedure pccard_get_tuple_data [2022-07-12 13:53:27,954 INFO L138 BoogieDeclarations]: Found implementation of procedure pccard_get_tuple_data [2022-07-12 13:53:27,954 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-12 13:53:27,954 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_request_irq [2022-07-12 13:53:27,954 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_request_irq [2022-07-12 13:53:27,954 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_parse_tuple [2022-07-12 13:53:27,955 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_parse_tuple [2022-07-12 13:53:27,955 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-07-12 13:53:27,955 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-07-12 13:53:27,955 INFO L130 BoogieDeclarations]: Found specification of procedure module_put [2022-07-12 13:53:27,955 INFO L138 BoogieDeclarations]: Found implementation of procedure module_put [2022-07-12 13:53:27,955 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-12 13:53:27,955 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap [2022-07-12 13:53:27,955 INFO L138 BoogieDeclarations]: Found implementation of procedure ioremap [2022-07-12 13:53:27,955 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_disable_device [2022-07-12 13:53:27,955 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_disable_device [2022-07-12 13:53:27,956 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_le32 [2022-07-12 13:53:27,956 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_le32 [2022-07-12 13:53:27,956 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_skt_mutex_of_pcmcia_socket [2022-07-12 13:53:27,956 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_skt_mutex_of_pcmcia_socket [2022-07-12 13:53:27,956 INFO L130 BoogieDeclarations]: Found specification of procedure driver_unregister [2022-07-12 13:53:27,956 INFO L138 BoogieDeclarations]: Found implementation of procedure driver_unregister [2022-07-12 13:53:27,956 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2022-07-12 13:53:27,956 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-07-12 13:53:27,956 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-07-12 13:53:27,956 INFO L130 BoogieDeclarations]: Found specification of procedure bus_for_each_dev [2022-07-12 13:53:27,956 INFO L138 BoogieDeclarations]: Found implementation of procedure bus_for_each_dev [2022-07-12 13:53:27,957 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-07-12 13:53:27,957 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-12 13:53:27,957 INFO L130 BoogieDeclarations]: Found specification of procedure request_resource [2022-07-12 13:53:27,957 INFO L138 BoogieDeclarations]: Found implementation of procedure request_resource [2022-07-12 13:53:27,957 INFO L130 BoogieDeclarations]: Found specification of procedure put_device [2022-07-12 13:53:27,957 INFO L138 BoogieDeclarations]: Found implementation of procedure put_device [2022-07-12 13:53:27,957 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_release_configuration [2022-07-12 13:53:27,957 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_release_configuration [2022-07-12 13:53:27,957 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-07-12 13:53:27,957 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-07-12 13:53:27,958 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_bus_suspend [2022-07-12 13:53:27,958 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_bus_suspend [2022-07-12 13:53:27,958 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_release_window [2022-07-12 13:53:27,958 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_release_window [2022-07-12 13:53:27,958 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_find_mem_region [2022-07-12 13:53:27,958 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_find_mem_region [2022-07-12 13:53:27,958 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_device_add [2022-07-12 13:53:27,958 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_device_add [2022-07-12 13:53:27,958 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mutex_of_device [2022-07-12 13:53:27,958 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mutex_of_device [2022-07-12 13:53:27,959 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock_of_pcmcia_dynids [2022-07-12 13:53:27,959 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock_of_pcmcia_dynids [2022-07-12 13:53:27,959 INFO L130 BoogieDeclarations]: Found specification of procedure runtime_resume [2022-07-12 13:53:27,959 INFO L138 BoogieDeclarations]: Found implementation of procedure runtime_resume [2022-07-12 13:53:27,959 INFO L130 BoogieDeclarations]: Found specification of procedure bus_unregister [2022-07-12 13:53:27,959 INFO L138 BoogieDeclarations]: Found implementation of procedure bus_unregister [2022-07-12 13:53:27,959 INFO L130 BoogieDeclarations]: Found specification of procedure verify_cis_cache [2022-07-12 13:53:27,959 INFO L138 BoogieDeclarations]: Found implementation of procedure verify_cis_cache [2022-07-12 13:53:27,959 INFO L130 BoogieDeclarations]: Found specification of procedure get_device [2022-07-12 13:53:27,959 INFO L138 BoogieDeclarations]: Found implementation of procedure get_device [2022-07-12 13:53:27,960 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~C_INT [2022-07-12 13:53:27,960 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~C_INT [2022-07-12 13:53:27,960 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_bus_resume [2022-07-12 13:53:27,960 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_bus_resume [2022-07-12 13:53:27,960 INFO L130 BoogieDeclarations]: Found specification of procedure pccard_validate_cis [2022-07-12 13:53:27,960 INFO L138 BoogieDeclarations]: Found implementation of procedure pccard_validate_cis [2022-07-12 13:53:27,960 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-12 13:53:27,960 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-12 13:53:27,960 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2022-07-12 13:53:27,960 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2022-07-12 13:53:27,961 INFO L130 BoogieDeclarations]: Found specification of procedure pccard_loop_tuple [2022-07-12 13:53:27,961 INFO L138 BoogieDeclarations]: Found implementation of procedure pccard_loop_tuple [2022-07-12 13:53:27,961 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-07-12 13:53:27,961 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_loop_tuple [2022-07-12 13:53:27,961 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_loop_tuple [2022-07-12 13:53:27,961 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2022-07-12 13:53:27,961 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-12 13:53:27,961 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-12 13:53:27,961 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~C_INT [2022-07-12 13:53:27,961 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~C_INT [2022-07-12 13:53:27,962 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_requery [2022-07-12 13:53:27,965 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_requery [2022-07-12 13:53:27,965 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_bus_suspend_callback [2022-07-12 13:53:27,965 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_bus_suspend_callback [2022-07-12 13:53:27,966 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_bus_match [2022-07-12 13:53:27,966 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_bus_match [2022-07-12 13:53:27,966 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2022-07-12 13:53:27,966 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2022-07-12 13:53:27,966 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_dev_suspend [2022-07-12 13:53:27,966 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_dev_suspend [2022-07-12 13:53:27,967 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_bus_uevent [2022-07-12 13:53:27,967 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_bus_uevent [2022-07-12 13:53:27,967 INFO L130 BoogieDeclarations]: Found specification of procedure pccard_register_pcmcia [2022-07-12 13:53:27,967 INFO L138 BoogieDeclarations]: Found implementation of procedure pccard_register_pcmcia [2022-07-12 13:53:27,967 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_replace_cis [2022-07-12 13:53:27,967 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_replace_cis [2022-07-12 13:53:27,967 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_bus_remove [2022-07-12 13:53:27,968 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_bus_remove [2022-07-12 13:53:27,968 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_loop_config [2022-07-12 13:53:27,968 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_loop_config [2022-07-12 13:53:27,968 INFO L130 BoogieDeclarations]: Found specification of procedure parse_power [2022-07-12 13:53:27,968 INFO L138 BoogieDeclarations]: Found implementation of procedure parse_power [2022-07-12 13:53:27,968 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_get_socket [2022-07-12 13:53:27,968 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_get_socket [2022-07-12 13:53:27,968 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_write_cis_mem [2022-07-12 13:53:27,968 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_write_cis_mem [2022-07-12 13:53:27,968 INFO L130 BoogieDeclarations]: Found specification of procedure runtime_suspend [2022-07-12 13:53:27,968 INFO L138 BoogieDeclarations]: Found implementation of procedure runtime_suspend [2022-07-12 13:53:27,969 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex_of_device [2022-07-12 13:53:27,969 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex_of_device [2022-07-12 13:53:27,969 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock_of_pcmcia_dynids [2022-07-12 13:53:27,969 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock_of_pcmcia_dynids [2022-07-12 13:53:27,969 INFO L130 BoogieDeclarations]: Found specification of procedure resource_size [2022-07-12 13:53:27,969 INFO L138 BoogieDeclarations]: Found implementation of procedure resource_size [2022-07-12 13:53:27,969 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2022-07-12 13:53:27,969 INFO L130 BoogieDeclarations]: Found specification of procedure readb [2022-07-12 13:53:27,969 INFO L138 BoogieDeclarations]: Found implementation of procedure readb [2022-07-12 13:53:27,970 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_dev_resume [2022-07-12 13:53:27,970 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_dev_resume [2022-07-12 13:53:27,970 INFO L130 BoogieDeclarations]: Found specification of procedure pccard_read_tuple [2022-07-12 13:53:27,970 INFO L138 BoogieDeclarations]: Found implementation of procedure pccard_read_tuple [2022-07-12 13:53:28,911 INFO L234 CfgBuilder]: Building ICFG [2022-07-12 13:53:28,913 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-12 13:53:29,026 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-12 13:55:46,064 INFO L275 CfgBuilder]: Performing block encoding [2022-07-12 13:55:46,090 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-12 13:55:46,090 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-07-12 13:55:46,094 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.07 01:55:46 BoogieIcfgContainer [2022-07-12 13:55:46,094 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-12 13:55:46,096 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-12 13:55:46,096 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-12 13:55:46,098 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-12 13:55:46,098 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.07 01:53:21" (1/3) ... [2022-07-12 13:55:46,099 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a55a9e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.07 01:55:46, skipping insertion in model container [2022-07-12 13:55:46,099 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 01:53:27" (2/3) ... [2022-07-12 13:55:46,099 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a55a9e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.07 01:55:46, skipping insertion in model container [2022-07-12 13:55:46,099 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.07 01:55:46" (3/3) ... [2022-07-12 13:55:46,100 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-32_7a-drivers--pcmcia--pcmcia.ko-entry_point.cil.out.i [2022-07-12 13:55:46,110 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-12 13:55:46,110 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-12 13:55:46,206 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-12 13:55:46,211 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@7ed6d401, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@49215381 [2022-07-12 13:55:46,212 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-12 13:55:46,223 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) [2022-07-12 13:55:46,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 705 [2022-07-12 13:55:46,258 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 13:55:46,259 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] [2022-07-12 13:55:46,260 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 13:55:46,265 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 13:55:46,265 INFO L85 PathProgramCache]: Analyzing trace with hash -1010162225, now seen corresponding path program 1 times [2022-07-12 13:55:46,280 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 13:55:46,281 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [688049296] [2022-07-12 13:55:46,281 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 13:55:46,282 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 13:55:46,282 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 13:55:46,284 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-12 13:55:46,294 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-07-12 13:55:51,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:55:51,626 INFO L263 TraceCheckSpWp]: Trace formula consists of 4910 conjuncts, 1 conjunts are in the unsatisfiable core [2022-07-12 13:55:51,648 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 13:55:51,724 INFO L134 CoverageAnalysis]: Checked inductivity of 10974 backedges. 4371 proven. 0 refuted. 0 times theorem prover too weak. 6603 trivial. 0 not checked. [2022-07-12 13:55:51,724 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 13:55:51,725 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 13:55:51,725 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [688049296] [2022-07-12 13:55:51,726 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [688049296] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 13:55:51,726 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 13:55:51,726 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-12 13:55:51,730 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1835266721] [2022-07-12 13:55:51,731 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 13:55:51,736 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-07-12 13:55:51,737 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 13:55:51,761 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-07-12 13:55:51,762 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-07-12 13:55:51,769 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) [2022-07-12 13:55:51,934 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 13:55:51,935 INFO L93 Difference]: Finished difference Result 5845 states and 9083 transitions. [2022-07-12 13:55:51,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-07-12 13:55:51,937 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 [2022-07-12 13:55:51,937 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 13:55:51,960 INFO L225 Difference]: With dead ends: 5845 [2022-07-12 13:55:51,960 INFO L226 Difference]: Without dead ends: 2899 [2022-07-12 13:55:51,979 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 [2022-07-12 13:55:51,982 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 [2022-07-12 13:55:51,982 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] [2022-07-12 13:55:51,998 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2899 states. [2022-07-12 13:55:52,093 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2899 to 2899. [2022-07-12 13:55:52,099 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) [2022-07-12 13:55:52,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2899 states to 2899 states and 4318 transitions. [2022-07-12 13:55:52,122 INFO L78 Accepts]: Start accepts. Automaton has 2899 states and 4318 transitions. Word has length 704 [2022-07-12 13:55:52,122 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 13:55:52,122 INFO L495 AbstractCegarLoop]: Abstraction has 2899 states and 4318 transitions. [2022-07-12 13:55:52,123 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) [2022-07-12 13:55:52,123 INFO L276 IsEmpty]: Start isEmpty. Operand 2899 states and 4318 transitions. [2022-07-12 13:55:52,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 705 [2022-07-12 13:55:52,134 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 13:55:52,135 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] [2022-07-12 13:55:52,232 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-07-12 13:55:52,359 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 13:55:52,360 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 13:55:52,361 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 13:55:52,361 INFO L85 PathProgramCache]: Analyzing trace with hash 968871455, now seen corresponding path program 1 times [2022-07-12 13:55:52,365 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 13:55:52,365 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [471474593] [2022-07-12 13:55:52,365 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 13:55:52,365 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 13:55:52,365 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 13:55:52,367 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-12 13:55:52,370 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-07-12 13:56:01,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:56:01,370 INFO L263 TraceCheckSpWp]: Trace formula consists of 4910 conjuncts, 5 conjunts are in the unsatisfiable core [2022-07-12 13:56:01,382 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 13:56:01,620 INFO L134 CoverageAnalysis]: Checked inductivity of 10974 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 10947 trivial. 0 not checked. [2022-07-12 13:56:01,620 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 13:56:01,620 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 13:56:01,621 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [471474593] [2022-07-12 13:56:01,622 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [471474593] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 13:56:01,622 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 13:56:01,622 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-12 13:56:01,623 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [642005202] [2022-07-12 13:56:01,623 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 13:56:01,626 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-12 13:56:01,627 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 13:56:01,627 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-12 13:56:01,627 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-12 13:56:01,628 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) [2022-07-12 13:56:02,497 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 13:56:02,497 INFO L93 Difference]: Finished difference Result 5720 states and 8531 transitions. [2022-07-12 13:56:02,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-12 13:56:02,498 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 [2022-07-12 13:56:02,500 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 13:56:02,516 INFO L225 Difference]: With dead ends: 5720 [2022-07-12 13:56:02,516 INFO L226 Difference]: Without dead ends: 2902 [2022-07-12 13:56:02,528 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 705 GetRequests, 699 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-07-12 13:56:02,530 INFO L413 NwaCegarLoop]: 4303 mSDtfsCounter, 6 mSDsluCounter, 17181 mSDsCounter, 0 mSdLazyCounter, 101 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 21484 SdHoareTripleChecker+Invalid, 110 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 101 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-07-12 13:56:02,530 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 21484 Invalid, 110 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 101 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-07-12 13:56:02,535 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2902 states. [2022-07-12 13:56:02,600 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2902 to 2902. [2022-07-12 13:56:02,605 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) [2022-07-12 13:56:02,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2902 states to 2902 states and 4325 transitions. [2022-07-12 13:56:02,625 INFO L78 Accepts]: Start accepts. Automaton has 2902 states and 4325 transitions. Word has length 704 [2022-07-12 13:56:02,627 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 13:56:02,627 INFO L495 AbstractCegarLoop]: Abstraction has 2902 states and 4325 transitions. [2022-07-12 13:56:02,628 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) [2022-07-12 13:56:02,628 INFO L276 IsEmpty]: Start isEmpty. Operand 2902 states and 4325 transitions. [2022-07-12 13:56:02,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 709 [2022-07-12 13:56:02,632 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 13:56:02,632 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] [2022-07-12 13:56:02,715 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-07-12 13:56:02,847 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 13:56:02,848 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 13:56:02,848 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 13:56:02,848 INFO L85 PathProgramCache]: Analyzing trace with hash 112827215, now seen corresponding path program 1 times [2022-07-12 13:56:02,851 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 13:56:02,852 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1462618580] [2022-07-12 13:56:02,852 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 13:56:02,852 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 13:56:02,852 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 13:56:02,853 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-12 13:56:02,855 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-07-12 13:56:12,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:56:12,348 INFO L263 TraceCheckSpWp]: Trace formula consists of 4954 conjuncts, 6 conjunts are in the unsatisfiable core [2022-07-12 13:56:12,358 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 13:56:12,641 INFO L134 CoverageAnalysis]: Checked inductivity of 10996 backedges. 36 proven. 1 refuted. 0 times theorem prover too weak. 10959 trivial. 0 not checked. [2022-07-12 13:56:12,642 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-12 13:56:13,938 INFO L134 CoverageAnalysis]: Checked inductivity of 10996 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 10965 trivial. 0 not checked. [2022-07-12 13:56:13,939 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 13:56:13,939 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1462618580] [2022-07-12 13:56:13,939 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1462618580] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-12 13:56:13,939 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-07-12 13:56:13,939 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 11 [2022-07-12 13:56:13,940 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [77211828] [2022-07-12 13:56:13,940 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-07-12 13:56:13,941 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-07-12 13:56:13,941 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 13:56:13,941 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-07-12 13:56:13,941 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2022-07-12 13:56:13,942 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) [2022-07-12 13:56:15,730 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 13:56:15,731 INFO L93 Difference]: Finished difference Result 5731 states and 8551 transitions. [2022-07-12 13:56:15,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-07-12 13:56:15,732 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 [2022-07-12 13:56:15,735 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 13:56:15,753 INFO L225 Difference]: With dead ends: 5731 [2022-07-12 13:56:15,754 INFO L226 Difference]: Without dead ends: 2910 [2022-07-12 13:56:15,766 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1418 GetRequests, 1405 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=52, Invalid=158, Unknown=0, NotChecked=0, Total=210 [2022-07-12 13:56:15,768 INFO L413 NwaCegarLoop]: 4305 mSDtfsCounter, 14 mSDsluCounter, 30078 mSDsCounter, 0 mSdLazyCounter, 226 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 34383 SdHoareTripleChecker+Invalid, 246 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 226 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-07-12 13:56:15,769 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 34383 Invalid, 246 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 226 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-07-12 13:56:15,774 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2910 states. [2022-07-12 13:56:15,838 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2910 to 2908. [2022-07-12 13:56:15,843 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) [2022-07-12 13:56:15,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2908 states to 2908 states and 4332 transitions. [2022-07-12 13:56:15,859 INFO L78 Accepts]: Start accepts. Automaton has 2908 states and 4332 transitions. Word has length 708 [2022-07-12 13:56:15,861 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 13:56:15,861 INFO L495 AbstractCegarLoop]: Abstraction has 2908 states and 4332 transitions. [2022-07-12 13:56:15,861 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) [2022-07-12 13:56:15,862 INFO L276 IsEmpty]: Start isEmpty. Operand 2908 states and 4332 transitions. [2022-07-12 13:56:15,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 713 [2022-07-12 13:56:15,866 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 13:56:15,866 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] [2022-07-12 13:56:15,956 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-07-12 13:56:16,066 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 13:56:16,067 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 13:56:16,068 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 13:56:16,068 INFO L85 PathProgramCache]: Analyzing trace with hash 1439905951, now seen corresponding path program 2 times [2022-07-12 13:56:16,071 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 13:56:16,071 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1587183631] [2022-07-12 13:56:16,071 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-07-12 13:56:16,071 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 13:56:16,071 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 13:56:16,074 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-12 13:56:16,076 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-07-12 13:56:19,691 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-07-12 13:56:19,691 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-12 13:56:19,822 INFO L263 TraceCheckSpWp]: Trace formula consists of 2963 conjuncts, 6 conjunts are in the unsatisfiable core [2022-07-12 13:56:19,841 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 13:56:26,226 INFO L134 CoverageAnalysis]: Checked inductivity of 11034 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11034 trivial. 0 not checked. [2022-07-12 13:56:26,226 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 13:56:26,226 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 13:56:26,226 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1587183631] [2022-07-12 13:56:26,227 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1587183631] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 13:56:26,227 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 13:56:26,227 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-12 13:56:26,227 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [298544889] [2022-07-12 13:56:26,227 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 13:56:26,228 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-12 13:56:26,228 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 13:56:26,228 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-12 13:56:26,228 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 13:56:26,229 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) [2022-07-12 13:56:26,376 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 13:56:26,376 INFO L93 Difference]: Finished difference Result 8008 states and 12273 transitions. [2022-07-12 13:56:26,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-12 13:56:26,377 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 [2022-07-12 13:56:26,378 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 13:56:26,404 INFO L225 Difference]: With dead ends: 8008 [2022-07-12 13:56:26,405 INFO L226 Difference]: Without dead ends: 5196 [2022-07-12 13:56:26,423 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 [2022-07-12 13:56:26,425 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 [2022-07-12 13:56:26,426 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] [2022-07-12 13:56:26,432 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5196 states. [2022-07-12 13:56:26,618 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5196 to 5185. [2022-07-12 13:56:26,635 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) [2022-07-12 13:56:26,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5185 states to 5185 states and 7811 transitions. [2022-07-12 13:56:26,657 INFO L78 Accepts]: Start accepts. Automaton has 5185 states and 7811 transitions. Word has length 712 [2022-07-12 13:56:26,659 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 13:56:26,659 INFO L495 AbstractCegarLoop]: Abstraction has 5185 states and 7811 transitions. [2022-07-12 13:56:26,660 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) [2022-07-12 13:56:26,660 INFO L276 IsEmpty]: Start isEmpty. Operand 5185 states and 7811 transitions. [2022-07-12 13:56:26,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 714 [2022-07-12 13:56:26,663 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 13:56:26,664 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] [2022-07-12 13:56:26,721 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2022-07-12 13:56:26,879 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 13:56:26,879 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 13:56:26,880 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 13:56:26,880 INFO L85 PathProgramCache]: Analyzing trace with hash 240199978, now seen corresponding path program 1 times [2022-07-12 13:56:26,884 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 13:56:26,884 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1715366443] [2022-07-12 13:56:26,884 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 13:56:26,884 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 13:56:26,884 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 13:56:26,885 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-12 13:56:26,887 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-07-12 13:56:35,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:56:35,617 INFO L263 TraceCheckSpWp]: Trace formula consists of 4982 conjuncts, 7 conjunts are in the unsatisfiable core [2022-07-12 13:56:35,626 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 13:56:35,979 INFO L134 CoverageAnalysis]: Checked inductivity of 11034 backedges. 51 proven. 3 refuted. 0 times theorem prover too weak. 10980 trivial. 0 not checked. [2022-07-12 13:56:35,979 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-12 13:56:37,509 INFO L134 CoverageAnalysis]: Checked inductivity of 11034 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 10986 trivial. 0 not checked. [2022-07-12 13:56:37,509 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 13:56:37,509 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1715366443] [2022-07-12 13:56:37,509 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1715366443] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-12 13:56:37,509 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-07-12 13:56:37,510 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 13 [2022-07-12 13:56:37,510 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1865144412] [2022-07-12 13:56:37,510 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-07-12 13:56:37,510 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-07-12 13:56:37,510 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 13:56:37,511 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-07-12 13:56:37,511 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2022-07-12 13:56:37,511 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) [2022-07-12 13:56:39,158 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 13:56:39,159 INFO L93 Difference]: Finished difference Result 10306 states and 15546 transitions. [2022-07-12 13:56:39,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-07-12 13:56:39,160 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 [2022-07-12 13:56:39,161 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 13:56:39,192 INFO L225 Difference]: With dead ends: 10306 [2022-07-12 13:56:39,193 INFO L226 Difference]: Without dead ends: 5199 [2022-07-12 13:56:39,218 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1429 GetRequests, 1413 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=69, Invalid=237, Unknown=0, NotChecked=0, Total=306 [2022-07-12 13:56:39,219 INFO L413 NwaCegarLoop]: 4304 mSDtfsCounter, 30 mSDsluCounter, 17183 mSDsCounter, 0 mSdLazyCounter, 183 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s 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, 1.1s IncrementalHoareTripleChecker+Time [2022-07-12 13:56:39,220 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 21487 Invalid, 206 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 183 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-07-12 13:56:39,225 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5199 states. [2022-07-12 13:56:39,349 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5199 to 5186. [2022-07-12 13:56:39,356 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) [2022-07-12 13:56:39,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5186 states to 5186 states and 7813 transitions. [2022-07-12 13:56:39,378 INFO L78 Accepts]: Start accepts. Automaton has 5186 states and 7813 transitions. Word has length 713 [2022-07-12 13:56:39,378 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 13:56:39,379 INFO L495 AbstractCegarLoop]: Abstraction has 5186 states and 7813 transitions. [2022-07-12 13:56:39,379 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) [2022-07-12 13:56:39,379 INFO L276 IsEmpty]: Start isEmpty. Operand 5186 states and 7813 transitions. [2022-07-12 13:56:39,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 718 [2022-07-12 13:56:39,384 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 13:56:39,384 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] [2022-07-12 13:56:39,476 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2022-07-12 13:56:39,594 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 13:56:39,594 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 13:56:39,594 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 13:56:39,595 INFO L85 PathProgramCache]: Analyzing trace with hash -1248536582, now seen corresponding path program 2 times [2022-07-12 13:56:39,598 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 13:56:39,598 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [739250287] [2022-07-12 13:56:39,598 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-07-12 13:56:39,598 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 13:56:39,598 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 13:56:39,599 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-12 13:56:39,600 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2022-07-12 13:56:43,317 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-07-12 13:56:43,317 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-12 13:56:43,437 INFO L263 TraceCheckSpWp]: Trace formula consists of 2947 conjuncts, 8 conjunts are in the unsatisfiable core [2022-07-12 13:56:43,447 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 13:56:49,727 INFO L134 CoverageAnalysis]: Checked inductivity of 11088 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11088 trivial. 0 not checked. [2022-07-12 13:56:49,728 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 13:56:49,728 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 13:56:49,728 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [739250287] [2022-07-12 13:56:49,728 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [739250287] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 13:56:49,728 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 13:56:49,728 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-12 13:56:49,728 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [682933037] [2022-07-12 13:56:49,729 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 13:56:49,729 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-12 13:56:49,729 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 13:56:49,730 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-12 13:56:49,730 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 13:56:49,730 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) [2022-07-12 13:56:49,940 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 13:56:49,940 INFO L93 Difference]: Finished difference Result 14814 states and 23347 transitions. [2022-07-12 13:56:49,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-12 13:56:49,941 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 [2022-07-12 13:56:49,941 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 13:56:50,000 INFO L225 Difference]: With dead ends: 14814 [2022-07-12 13:56:50,000 INFO L226 Difference]: Without dead ends: 9724 [2022-07-12 13:56:50,030 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 [2022-07-12 13:56:50,031 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 [2022-07-12 13:56:50,031 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] [2022-07-12 13:56:50,041 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9724 states. [2022-07-12 13:56:50,298 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9724 to 9697. [2022-07-12 13:56:50,311 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) [2022-07-12 13:56:50,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9697 states to 9697 states and 14941 transitions. [2022-07-12 13:56:50,363 INFO L78 Accepts]: Start accepts. Automaton has 9697 states and 14941 transitions. Word has length 717 [2022-07-12 13:56:50,364 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 13:56:50,364 INFO L495 AbstractCegarLoop]: Abstraction has 9697 states and 14941 transitions. [2022-07-12 13:56:50,364 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) [2022-07-12 13:56:50,364 INFO L276 IsEmpty]: Start isEmpty. Operand 9697 states and 14941 transitions. [2022-07-12 13:56:50,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 718 [2022-07-12 13:56:50,368 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 13:56:50,369 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] [2022-07-12 13:56:50,434 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2022-07-12 13:56:50,585 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 13:56:50,585 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 13:56:50,585 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 13:56:50,586 INFO L85 PathProgramCache]: Analyzing trace with hash -249431367, now seen corresponding path program 1 times [2022-07-12 13:56:50,588 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 13:56:50,588 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [573799603] [2022-07-12 13:56:50,589 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 13:56:50,589 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 13:56:50,589 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 13:56:50,590 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-12 13:56:50,591 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2022-07-12 13:56:59,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:56:59,392 INFO L263 TraceCheckSpWp]: Trace formula consists of 5025 conjuncts, 8 conjunts are in the unsatisfiable core [2022-07-12 13:56:59,403 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 13:56:59,813 INFO L134 CoverageAnalysis]: Checked inductivity of 11088 backedges. 72 proven. 6 refuted. 0 times theorem prover too weak. 11010 trivial. 0 not checked. [2022-07-12 13:56:59,813 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-12 13:57:01,700 INFO L134 CoverageAnalysis]: Checked inductivity of 11088 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 11016 trivial. 0 not checked. [2022-07-12 13:57:01,700 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 13:57:01,701 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [573799603] [2022-07-12 13:57:01,701 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [573799603] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-12 13:57:01,701 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-07-12 13:57:01,701 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 15 [2022-07-12 13:57:01,701 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [832191509] [2022-07-12 13:57:01,701 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-07-12 13:57:01,702 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-07-12 13:57:01,702 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 13:57:01,702 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-07-12 13:57:01,703 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=165, Unknown=0, NotChecked=0, Total=210 [2022-07-12 13:57:01,703 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) [2022-07-12 13:57:04,755 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 13:57:04,755 INFO L93 Difference]: Finished difference Result 19359 states and 29874 transitions. [2022-07-12 13:57:04,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-07-12 13:57:04,756 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 [2022-07-12 13:57:04,757 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 13:57:04,801 INFO L225 Difference]: With dead ends: 19359 [2022-07-12 13:57:04,801 INFO L226 Difference]: Without dead ends: 9740 [2022-07-12 13:57:04,838 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1438 GetRequests, 1419 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=89, Invalid=331, Unknown=0, NotChecked=0, Total=420 [2022-07-12 13:57:04,839 INFO L413 NwaCegarLoop]: 4303 mSDtfsCounter, 25 mSDsluCounter, 34347 mSDsCounter, 0 mSdLazyCounter, 375 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s 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, 2.3s IncrementalHoareTripleChecker+Time [2022-07-12 13:57:04,839 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [27 Valid, 38650 Invalid, 397 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 375 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2022-07-12 13:57:04,849 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9740 states. [2022-07-12 13:57:05,081 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9740 to 9698. [2022-07-12 13:57:05,094 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) [2022-07-12 13:57:05,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9698 states to 9698 states and 14943 transitions. [2022-07-12 13:57:05,142 INFO L78 Accepts]: Start accepts. Automaton has 9698 states and 14943 transitions. Word has length 717 [2022-07-12 13:57:05,143 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 13:57:05,143 INFO L495 AbstractCegarLoop]: Abstraction has 9698 states and 14943 transitions. [2022-07-12 13:57:05,143 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) [2022-07-12 13:57:05,144 INFO L276 IsEmpty]: Start isEmpty. Operand 9698 states and 14943 transitions. [2022-07-12 13:57:05,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 722 [2022-07-12 13:57:05,147 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 13:57:05,148 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] [2022-07-12 13:57:05,241 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2022-07-12 13:57:05,356 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 13:57:05,356 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 13:57:05,357 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 13:57:05,357 INFO L85 PathProgramCache]: Analyzing trace with hash 516108649, now seen corresponding path program 2 times [2022-07-12 13:57:05,360 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 13:57:05,360 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [866430492] [2022-07-12 13:57:05,360 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-07-12 13:57:05,361 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 13:57:05,361 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 13:57:05,362 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-12 13:57:05,363 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2022-07-12 13:57:09,141 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-07-12 13:57:09,142 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-12 13:57:09,264 INFO L263 TraceCheckSpWp]: Trace formula consists of 2946 conjuncts, 6 conjunts are in the unsatisfiable core [2022-07-12 13:57:09,273 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 13:57:15,653 INFO L134 CoverageAnalysis]: Checked inductivity of 11158 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11158 trivial. 0 not checked. [2022-07-12 13:57:15,653 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 13:57:15,653 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 13:57:15,653 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [866430492] [2022-07-12 13:57:15,653 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [866430492] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 13:57:15,654 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 13:57:15,654 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-12 13:57:15,654 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [665570247] [2022-07-12 13:57:15,654 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 13:57:15,654 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-12 13:57:15,655 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 13:57:15,655 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-12 13:57:15,655 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 13:57:15,655 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) [2022-07-12 13:57:16,006 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 13:57:16,006 INFO L93 Difference]: Finished difference Result 24233 states and 38937 transitions. [2022-07-12 13:57:16,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-12 13:57:16,007 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 [2022-07-12 13:57:16,008 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 13:57:16,076 INFO L225 Difference]: With dead ends: 24233 [2022-07-12 13:57:16,077 INFO L226 Difference]: Without dead ends: 14631 [2022-07-12 13:57:16,144 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 [2022-07-12 13:57:16,145 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 [2022-07-12 13:57:16,145 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] [2022-07-12 13:57:16,159 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14631 states. [2022-07-12 13:57:16,487 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14631 to 14529. [2022-07-12 13:57:16,506 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) [2022-07-12 13:57:16,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14529 states to 14529 states and 22339 transitions. [2022-07-12 13:57:16,579 INFO L78 Accepts]: Start accepts. Automaton has 14529 states and 22339 transitions. Word has length 721 [2022-07-12 13:57:16,580 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 13:57:16,580 INFO L495 AbstractCegarLoop]: Abstraction has 14529 states and 22339 transitions. [2022-07-12 13:57:16,580 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) [2022-07-12 13:57:16,580 INFO L276 IsEmpty]: Start isEmpty. Operand 14529 states and 22339 transitions. [2022-07-12 13:57:16,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 724 [2022-07-12 13:57:16,584 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 13:57:16,585 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] [2022-07-12 13:57:16,654 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2022-07-12 13:57:16,811 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 13:57:16,812 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 13:57:16,812 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 13:57:16,812 INFO L85 PathProgramCache]: Analyzing trace with hash -2138563789, now seen corresponding path program 1 times [2022-07-12 13:57:16,815 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 13:57:16,815 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [849652334] [2022-07-12 13:57:16,815 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 13:57:16,815 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 13:57:16,816 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 13:57:16,817 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-12 13:57:16,819 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2022-07-12 13:57:25,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:57:26,079 INFO L263 TraceCheckSpWp]: Trace formula consists of 5026 conjuncts, 9 conjunts are in the unsatisfiable core [2022-07-12 13:57:26,087 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 13:57:26,615 INFO L134 CoverageAnalysis]: Checked inductivity of 11158 backedges. 99 proven. 10 refuted. 0 times theorem prover too weak. 11049 trivial. 0 not checked. [2022-07-12 13:57:26,615 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-12 13:57:28,931 INFO L134 CoverageAnalysis]: Checked inductivity of 11158 backedges. 0 proven. 103 refuted. 0 times theorem prover too weak. 11055 trivial. 0 not checked. [2022-07-12 13:57:28,931 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 13:57:28,931 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [849652334] [2022-07-12 13:57:28,932 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [849652334] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-12 13:57:28,932 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-07-12 13:57:28,932 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 17 [2022-07-12 13:57:28,932 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1959817174] [2022-07-12 13:57:28,932 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-07-12 13:57:28,933 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-07-12 13:57:28,933 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 13:57:28,933 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-07-12 13:57:28,933 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=217, Unknown=0, NotChecked=0, Total=272 [2022-07-12 13:57:28,934 INFO L87 Difference]: Start difference. First operand 14529 states and 22339 transitions. Second operand has 17 states, 15 states have (on average 7.2) internal successors, (108), 17 states have internal predecessors, (108), 4 states have call successors, (56), 2 states have call predecessors, (56), 5 states have return successors, (56), 4 states have call predecessors, (56), 4 states have call successors, (56)