./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--scsi--be2iscsi--be2iscsi.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--scsi--be2iscsi--be2iscsi.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 876121993ef1a4db56a5a0602d105b3cbdec3ff55f866ec4cb2cdd413d06fd9d --- Real Ultimate output --- This is Ultimate 0.2.2-?-6c24879 [2022-07-12 13:55:20,563 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-12 13:55:20,566 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-12 13:55:20,596 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-12 13:55:20,596 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-12 13:55:20,597 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-12 13:55:20,602 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-12 13:55:20,603 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-12 13:55:20,605 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-12 13:55:20,611 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-12 13:55:20,612 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-12 13:55:20,614 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-12 13:55:20,615 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-12 13:55:20,616 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-12 13:55:20,617 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-12 13:55:20,619 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-12 13:55:20,619 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-12 13:55:20,621 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-12 13:55:20,625 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-12 13:55:20,629 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-12 13:55:20,631 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-12 13:55:20,632 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-12 13:55:20,633 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-12 13:55:20,634 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-12 13:55:20,635 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-12 13:55:20,639 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-12 13:55:20,639 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-12 13:55:20,640 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-12 13:55:20,641 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-12 13:55:20,642 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-12 13:55:20,642 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-12 13:55:20,643 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-12 13:55:20,644 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-12 13:55:20,644 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-12 13:55:20,645 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-12 13:55:20,645 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-12 13:55:20,646 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-12 13:55:20,646 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-12 13:55:20,646 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-12 13:55:20,646 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-12 13:55:20,647 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-12 13:55:20,649 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-12 13:55:20,649 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-12 13:55:20,684 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-12 13:55:20,685 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-12 13:55:20,685 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-12 13:55:20,686 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-12 13:55:20,686 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-12 13:55:20,686 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-12 13:55:20,687 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-12 13:55:20,687 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-12 13:55:20,687 INFO L138 SettingsManager]: * Use SBE=true [2022-07-12 13:55:20,688 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-12 13:55:20,689 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-12 13:55:20,689 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-12 13:55:20,689 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-12 13:55:20,689 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-12 13:55:20,689 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-12 13:55:20,690 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-12 13:55:20,690 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-12 13:55:20,690 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-12 13:55:20,690 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-12 13:55:20,690 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-12 13:55:20,692 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-12 13:55:20,692 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-12 13:55:20,692 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-12 13:55:20,692 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-12 13:55:20,693 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-12 13:55:20,693 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-12 13:55:20,693 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-12 13:55:20,693 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-12 13:55:20,693 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-12 13:55:20,693 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-12 13:55:20,694 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 876121993ef1a4db56a5a0602d105b3cbdec3ff55f866ec4cb2cdd413d06fd9d [2022-07-12 13:55:20,968 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-12 13:55:20,994 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-12 13:55:20,995 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-12 13:55:20,996 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-12 13:55:20,997 INFO L275 PluginConnector]: CDTParser initialized [2022-07-12 13:55:20,998 INFO L432 ainManager$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--scsi--be2iscsi--be2iscsi.ko-entry_point.cil.out.i [2022-07-12 13:55:21,062 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bf9337b15/1d4c4fd2ccb848369adcd45d4e886d10/FLAGe33468f12 [2022-07-12 13:55:21,830 INFO L306 CDTParser]: Found 1 translation units. [2022-07-12 13:55:21,831 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--scsi--be2iscsi--be2iscsi.ko-entry_point.cil.out.i [2022-07-12 13:55:21,896 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bf9337b15/1d4c4fd2ccb848369adcd45d4e886d10/FLAGe33468f12 [2022-07-12 13:55:22,076 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bf9337b15/1d4c4fd2ccb848369adcd45d4e886d10 [2022-07-12 13:55:22,079 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-12 13:55:22,081 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-12 13:55:22,082 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-12 13:55:22,082 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-12 13:55:22,084 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-12 13:55:22,085 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 01:55:22" (1/1) ... [2022-07-12 13:55:22,087 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@73ff7816 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 01:55:22, skipping insertion in model container [2022-07-12 13:55:22,087 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 01:55:22" (1/1) ... [2022-07-12 13:55:22,092 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-12 13:55:22,261 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-12 13:55:30,271 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--scsi--be2iscsi--be2iscsi.ko-entry_point.cil.out.i[764173,764186] [2022-07-12 13:55:30,566 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 13:55:30,594 INFO L203 MainTranslator]: Completed pre-run [2022-07-12 13:55:31,479 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: ue_lo = ~ ue_mask_lo & ue_lo [20648] 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: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 13:55:31,486 INFO L158 Benchmark]: Toolchain (without parser) took 9404.78ms. Allocated memory was 98.6MB in the beginning and 255.9MB in the end (delta: 157.3MB). Free memory was 46.8MB in the beginning and 92.4MB in the end (delta: -45.6MB). Peak memory consumption was 124.7MB. Max. memory is 16.1GB. [2022-07-12 13:55:31,487 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 79.7MB. Free memory was 51.4MB in the beginning and 51.4MB in the end (delta: 23.8kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-12 13:55:31,488 INFO L158 Benchmark]: CACSL2BoogieTranslator took 9403.05ms. Allocated memory was 98.6MB in the beginning and 255.9MB in the end (delta: 157.3MB). Free memory was 46.4MB in the beginning and 92.4MB in the end (delta: -46.0MB). Peak memory consumption was 124.7MB. Max. memory is 16.1GB. [2022-07-12 13:55:31,490 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 79.7MB. Free memory was 51.4MB in the beginning and 51.4MB in the end (delta: 23.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 9403.05ms. Allocated memory was 98.6MB in the beginning and 255.9MB in the end (delta: 157.3MB). Free memory was 46.4MB in the beginning and 92.4MB in the end (delta: -46.0MB). Peak memory consumption was 124.7MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: TypeCheckException: Type check failed for C: ue_lo = ~ ue_mask_lo & ue_lo [20648] de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: TypeCheckException: Type check failed for C: ue_lo = ~ ue_mask_lo & ue_lo [20648]: 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--scsi--be2iscsi--be2iscsi.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 876121993ef1a4db56a5a0602d105b3cbdec3ff55f866ec4cb2cdd413d06fd9d --- Real Ultimate output --- This is Ultimate 0.2.2-?-6c24879 [2022-07-12 13:55:33,381 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-12 13:55:33,382 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-12 13:55:33,420 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-12 13:55:33,421 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-12 13:55:33,423 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-12 13:55:33,427 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-12 13:55:33,429 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-12 13:55:33,431 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-12 13:55:33,436 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-12 13:55:33,437 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-12 13:55:33,441 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-12 13:55:33,442 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-12 13:55:33,443 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-12 13:55:33,445 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-12 13:55:33,448 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-12 13:55:33,448 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-12 13:55:33,450 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-12 13:55:33,451 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-12 13:55:33,456 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-12 13:55:33,457 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-12 13:55:33,458 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-12 13:55:33,460 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-12 13:55:33,461 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-12 13:55:33,462 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-12 13:55:33,468 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-12 13:55:33,468 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-12 13:55:33,469 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-12 13:55:33,469 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-12 13:55:33,470 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-12 13:55:33,470 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-12 13:55:33,470 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-12 13:55:33,472 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-12 13:55:33,472 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-12 13:55:33,474 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-12 13:55:33,474 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-12 13:55:33,474 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-12 13:55:33,475 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-12 13:55:33,475 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-12 13:55:33,475 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-12 13:55:33,476 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-12 13:55:33,477 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-12 13:55:33,482 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-07-12 13:55:33,513 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-12 13:55:33,513 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-12 13:55:33,513 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-12 13:55:33,514 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-12 13:55:33,514 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-12 13:55:33,515 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-12 13:55:33,515 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-12 13:55:33,515 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-12 13:55:33,516 INFO L138 SettingsManager]: * Use SBE=true [2022-07-12 13:55:33,516 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-12 13:55:33,516 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-12 13:55:33,517 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-12 13:55:33,517 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-12 13:55:33,517 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-12 13:55:33,517 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-07-12 13:55:33,517 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-07-12 13:55:33,517 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-07-12 13:55:33,518 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-12 13:55:33,518 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-12 13:55:33,518 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-12 13:55:33,518 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-12 13:55:33,518 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-12 13:55:33,518 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-12 13:55:33,519 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-12 13:55:33,519 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-12 13:55:33,519 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-12 13:55:33,519 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-12 13:55:33,519 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-07-12 13:55:33,519 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-07-12 13:55:33,519 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-12 13:55:33,520 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-12 13:55:33,520 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-12 13:55:33,520 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-07-12 13:55:33,520 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 876121993ef1a4db56a5a0602d105b3cbdec3ff55f866ec4cb2cdd413d06fd9d [2022-07-12 13:55:33,829 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-12 13:55:33,851 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-12 13:55:33,854 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-12 13:55:33,857 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-12 13:55:33,858 INFO L275 PluginConnector]: CDTParser initialized [2022-07-12 13:55:33,859 INFO L432 ainManager$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--scsi--be2iscsi--be2iscsi.ko-entry_point.cil.out.i [2022-07-12 13:55:33,919 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dbc6ed096/49330fbbc419462eb01e40ec04d452d8/FLAG186f1332d [2022-07-12 13:55:34,966 INFO L306 CDTParser]: Found 1 translation units. [2022-07-12 13:55:34,967 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--scsi--be2iscsi--be2iscsi.ko-entry_point.cil.out.i [2022-07-12 13:55:35,113 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dbc6ed096/49330fbbc419462eb01e40ec04d452d8/FLAG186f1332d [2022-07-12 13:55:35,272 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dbc6ed096/49330fbbc419462eb01e40ec04d452d8 [2022-07-12 13:55:35,275 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-12 13:55:35,277 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-12 13:55:35,279 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-12 13:55:35,279 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-12 13:55:35,282 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-12 13:55:35,283 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 01:55:35" (1/1) ... [2022-07-12 13:55:35,284 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2a028fe3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 01:55:35, skipping insertion in model container [2022-07-12 13:55:35,284 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 01:55:35" (1/1) ... [2022-07-12 13:55:35,289 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-12 13:55:35,530 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-12 13:55:45,381 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--scsi--be2iscsi--be2iscsi.ko-entry_point.cil.out.i[764173,764186] [2022-07-12 13:55:45,933 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 13:55:45,963 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-07-12 13:55:46,053 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-12 13:55:46,706 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--scsi--be2iscsi--be2iscsi.ko-entry_point.cil.out.i[764173,764186] [2022-07-12 13:55:46,722 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 13:55:46,750 INFO L203 MainTranslator]: Completed pre-run [2022-07-12 13:55:47,405 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--scsi--be2iscsi--be2iscsi.ko-entry_point.cil.out.i[764173,764186] [2022-07-12 13:55:47,415 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 13:55:47,627 INFO L208 MainTranslator]: Completed translation [2022-07-12 13:55:47,628 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 01:55:47 WrapperNode [2022-07-12 13:55:47,628 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-12 13:55:47,629 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-12 13:55:47,629 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-12 13:55:47,629 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-12 13:55:47,634 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 01:55:47" (1/1) ... [2022-07-12 13:55:47,862 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 01:55:47" (1/1) ... [2022-07-12 13:55:48,290 INFO L137 Inliner]: procedures = 669, calls = 9104, calls flagged for inlining = 267, calls inlined = 259, statements flattened = 20286 [2022-07-12 13:55:48,291 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-12 13:55:48,292 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-12 13:55:48,293 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-12 13:55:48,293 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-12 13:55:48,301 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 01:55:47" (1/1) ... [2022-07-12 13:55:48,302 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 01:55:47" (1/1) ... [2022-07-12 13:55:48,396 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 01:55:47" (1/1) ... [2022-07-12 13:55:48,397 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 01:55:47" (1/1) ... [2022-07-12 13:55:48,839 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 01:55:47" (1/1) ... [2022-07-12 13:55:48,894 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 01:55:47" (1/1) ... [2022-07-12 13:55:48,964 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 01:55:47" (1/1) ... [2022-07-12 13:55:49,173 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-12 13:55:49,176 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-12 13:55:49,176 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-12 13:55:49,176 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-12 13:55:49,177 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 01:55:47" (1/1) ... [2022-07-12 13:55:49,183 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-12 13:55:49,191 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-12 13:55:49,239 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 13:55:49,246 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 13:55:49,270 INFO L130 BoogieDeclarations]: Found specification of procedure be_mcc_compl_use [2022-07-12 13:55:49,271 INFO L138 BoogieDeclarations]: Found implementation of procedure be_mcc_compl_use [2022-07-12 13:55:49,271 INFO L130 BoogieDeclarations]: Found specification of procedure __iscsi_complete_pdu [2022-07-12 13:55:49,271 INFO L138 BoogieDeclarations]: Found implementation of procedure __iscsi_complete_pdu [2022-07-12 13:55:49,271 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-07-12 13:55:49,271 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-07-12 13:55:49,271 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-07-12 13:55:49,271 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-07-12 13:55:49,272 INFO L130 BoogieDeclarations]: Found specification of procedure free_io_sgl_handle [2022-07-12 13:55:49,272 INFO L138 BoogieDeclarations]: Found implementation of procedure free_io_sgl_handle [2022-07-12 13:55:49,272 INFO L130 BoogieDeclarations]: Found specification of procedure be_mbox_notify_wait [2022-07-12 13:55:49,272 INFO L138 BoogieDeclarations]: Found implementation of procedure be_mbox_notify_wait [2022-07-12 13:55:49,272 INFO L130 BoogieDeclarations]: Found specification of procedure variable_test_bit [2022-07-12 13:55:49,272 INFO L138 BoogieDeclarations]: Found implementation of procedure variable_test_bit [2022-07-12 13:55:49,272 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-12 13:55:49,272 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-12 13:55:49,272 INFO L130 BoogieDeclarations]: Found specification of procedure hwi_purge_eq [2022-07-12 13:55:49,273 INFO L138 BoogieDeclarations]: Found implementation of procedure hwi_purge_eq [2022-07-12 13:55:49,273 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap_nocache [2022-07-12 13:55:49,273 INFO L138 BoogieDeclarations]: Found implementation of procedure ioremap_nocache [2022-07-12 13:55:49,273 INFO L130 BoogieDeclarations]: Found specification of procedure amap_get [2022-07-12 13:55:49,273 INFO L138 BoogieDeclarations]: Found implementation of procedure amap_get [2022-07-12 13:55:49,273 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2022-07-12 13:55:49,273 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2022-07-12 13:55:49,273 INFO L130 BoogieDeclarations]: Found specification of procedure __might_sleep [2022-07-12 13:55:49,274 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_sleep [2022-07-12 13:55:49,274 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_mcc_tag [2022-07-12 13:55:49,274 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_mcc_tag [2022-07-12 13:55:49,274 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_6 [2022-07-12 13:55:49,274 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_6 [2022-07-12 13:55:49,274 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-07-12 13:55:49,274 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-07-12 13:55:49,275 INFO L130 BoogieDeclarations]: Found specification of procedure be_mcc_compl_is_new [2022-07-12 13:55:49,275 INFO L138 BoogieDeclarations]: Found implementation of procedure be_mcc_compl_is_new [2022-07-12 13:55:49,275 INFO L130 BoogieDeclarations]: Found specification of procedure mgmt_exec_nonemb_cmd [2022-07-12 13:55:49,275 INFO L138 BoogieDeclarations]: Found implementation of procedure mgmt_exec_nonemb_cmd [2022-07-12 13:55:49,275 INFO L130 BoogieDeclarations]: Found specification of procedure fls [2022-07-12 13:55:49,276 INFO L138 BoogieDeclarations]: Found implementation of procedure fls [2022-07-12 13:55:49,276 INFO L130 BoogieDeclarations]: Found specification of procedure beiscsi_ue_detect [2022-07-12 13:55:49,276 INFO L138 BoogieDeclarations]: Found implementation of procedure beiscsi_ue_detect [2022-07-12 13:55:49,276 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2022-07-12 13:55:49,276 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2022-07-12 13:55:49,276 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-07-12 13:55:49,276 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-07-12 13:55:49,277 INFO L130 BoogieDeclarations]: Found specification of procedure iscsi_session_get_param [2022-07-12 13:55:49,277 INFO L138 BoogieDeclarations]: Found implementation of procedure iscsi_session_get_param [2022-07-12 13:55:49,277 INFO L130 BoogieDeclarations]: Found specification of procedure beiscsi_session_create [2022-07-12 13:55:49,277 INFO L138 BoogieDeclarations]: Found implementation of procedure beiscsi_session_create [2022-07-12 13:55:49,277 INFO L130 BoogieDeclarations]: Found specification of procedure swap_dws [2022-07-12 13:55:49,278 INFO L138 BoogieDeclarations]: Found implementation of procedure swap_dws [2022-07-12 13:55:49,278 INFO L130 BoogieDeclarations]: Found specification of procedure beiscsi_process_all_cqs [2022-07-12 13:55:49,278 INFO L138 BoogieDeclarations]: Found implementation of procedure beiscsi_process_all_cqs [2022-07-12 13:55:49,279 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-07-12 13:55:49,279 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-07-12 13:55:49,279 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2022-07-12 13:55:49,279 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2022-07-12 13:55:49,279 INFO L130 BoogieDeclarations]: Found specification of procedure be_cmd_page_addrs_prepare [2022-07-12 13:55:49,279 INFO L138 BoogieDeclarations]: Found implementation of procedure be_cmd_page_addrs_prepare [2022-07-12 13:55:49,279 INFO L130 BoogieDeclarations]: Found specification of procedure free_mcc_tag [2022-07-12 13:55:49,280 INFO L138 BoogieDeclarations]: Found implementation of procedure free_mcc_tag [2022-07-12 13:55:49,280 INFO L130 BoogieDeclarations]: Found specification of procedure hwi_enable_intr [2022-07-12 13:55:49,280 INFO L138 BoogieDeclarations]: Found implementation of procedure hwi_enable_intr [2022-07-12 13:55:49,280 INFO L130 BoogieDeclarations]: Found specification of procedure beiscsi_session_destroy [2022-07-12 13:55:49,280 INFO L138 BoogieDeclarations]: Found implementation of procedure beiscsi_session_destroy [2022-07-12 13:55:49,280 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-07-12 13:55:49,281 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-07-12 13:55:49,281 INFO L130 BoogieDeclarations]: Found specification of procedure beiscsi_cmd_reset_function [2022-07-12 13:55:49,281 INFO L138 BoogieDeclarations]: Found implementation of procedure beiscsi_cmd_reset_function [2022-07-12 13:55:49,281 INFO L130 BoogieDeclarations]: Found specification of procedure beiscsi_free_mem [2022-07-12 13:55:49,281 INFO L138 BoogieDeclarations]: Found implementation of procedure beiscsi_free_mem [2022-07-12 13:55:49,281 INFO L130 BoogieDeclarations]: Found specification of procedure iscsi_conn_get_param [2022-07-12 13:55:49,281 INFO L138 BoogieDeclarations]: Found implementation of procedure iscsi_conn_get_param [2022-07-12 13:55:49,282 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-12 13:55:49,282 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2022-07-12 13:55:49,282 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2022-07-12 13:55:49,282 INFO L130 BoogieDeclarations]: Found specification of procedure nla_find [2022-07-12 13:55:49,282 INFO L138 BoogieDeclarations]: Found implementation of procedure nla_find [2022-07-12 13:55:49,283 INFO L130 BoogieDeclarations]: Found specification of procedure hwi_get_async_busy_list [2022-07-12 13:55:49,283 INFO L138 BoogieDeclarations]: Found implementation of procedure hwi_get_async_busy_list [2022-07-12 13:55:49,283 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2022-07-12 13:55:49,283 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-07-12 13:55:49,283 INFO L130 BoogieDeclarations]: Found specification of procedure iscsi_session_teardown [2022-07-12 13:55:49,284 INFO L138 BoogieDeclarations]: Found implementation of procedure iscsi_session_teardown [2022-07-12 13:55:49,284 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-07-12 13:55:49,284 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2022-07-12 13:55:49,284 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2022-07-12 13:55:49,284 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2022-07-12 13:55:49,284 INFO L130 BoogieDeclarations]: Found specification of procedure iscsi_conn_stop [2022-07-12 13:55:49,285 INFO L138 BoogieDeclarations]: Found implementation of procedure iscsi_conn_stop [2022-07-12 13:55:49,285 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-07-12 13:55:49,285 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-07-12 13:55:49,285 INFO L130 BoogieDeclarations]: Found specification of procedure beiscsi_init_irqs [2022-07-12 13:55:49,285 INFO L138 BoogieDeclarations]: Found implementation of procedure beiscsi_init_irqs [2022-07-12 13:55:49,286 INFO L130 BoogieDeclarations]: Found specification of procedure __rounddown_pow_of_two [2022-07-12 13:55:49,286 INFO L138 BoogieDeclarations]: Found implementation of procedure __rounddown_pow_of_two [2022-07-12 13:55:49,286 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-07-12 13:55:49,286 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-07-12 13:55:49,287 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2022-07-12 13:55:49,287 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2022-07-12 13:55:49,287 INFO L130 BoogieDeclarations]: Found specification of procedure beiscsi_cleanup_task [2022-07-12 13:55:49,287 INFO L138 BoogieDeclarations]: Found implementation of procedure beiscsi_cleanup_task [2022-07-12 13:55:49,287 INFO L130 BoogieDeclarations]: Found specification of procedure iscsi_conn_send_pdu [2022-07-12 13:55:49,287 INFO L138 BoogieDeclarations]: Found implementation of procedure iscsi_conn_send_pdu [2022-07-12 13:55:49,287 INFO L130 BoogieDeclarations]: Found specification of procedure beiscsi_eeh_err_detected [2022-07-12 13:55:49,287 INFO L138 BoogieDeclarations]: Found implementation of procedure beiscsi_eeh_err_detected [2022-07-12 13:55:49,288 INFO L130 BoogieDeclarations]: Found specification of procedure be_queue_free [2022-07-12 13:55:49,288 INFO L138 BoogieDeclarations]: Found implementation of procedure be_queue_free [2022-07-12 13:55:49,288 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_consistent_dma_mask [2022-07-12 13:55:49,288 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_consistent_dma_mask [2022-07-12 13:55:49,288 INFO L130 BoogieDeclarations]: Found specification of procedure beiscsi_process_cq [2022-07-12 13:55:49,288 INFO L138 BoogieDeclarations]: Found implementation of procedure beiscsi_process_cq [2022-07-12 13:55:49,289 INFO L130 BoogieDeclarations]: Found specification of procedure pci_save_state [2022-07-12 13:55:49,291 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_save_state [2022-07-12 13:55:49,291 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-07-12 13:55:49,291 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-07-12 13:55:49,291 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-07-12 13:55:49,292 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-07-12 13:55:49,293 INFO L130 BoogieDeclarations]: Found specification of procedure index_inc [2022-07-12 13:55:49,293 INFO L138 BoogieDeclarations]: Found implementation of procedure index_inc [2022-07-12 13:55:49,293 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_mgmt_sgl_handle [2022-07-12 13:55:49,293 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_mgmt_sgl_handle [2022-07-12 13:55:49,298 INFO L130 BoogieDeclarations]: Found specification of procedure be_wrb_hdr_prepare [2022-07-12 13:55:49,298 INFO L138 BoogieDeclarations]: Found implementation of procedure be_wrb_hdr_prepare [2022-07-12 13:55:49,299 INFO L130 BoogieDeclarations]: Found specification of procedure pci_zalloc_consistent [2022-07-12 13:55:49,299 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_zalloc_consistent [2022-07-12 13:55:49,299 INFO L130 BoogieDeclarations]: Found specification of procedure blk_iopoll_init [2022-07-12 13:55:49,299 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_iopoll_init [2022-07-12 13:55:49,299 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-07-12 13:55:49,299 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-07-12 13:55:49,299 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-12 13:55:49,299 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-12 13:55:49,299 INFO L130 BoogieDeclarations]: Found specification of procedure beiscsi_hw_health_check [2022-07-12 13:55:49,299 INFO L138 BoogieDeclarations]: Found implementation of procedure beiscsi_hw_health_check [2022-07-12 13:55:49,300 INFO L130 BoogieDeclarations]: Found specification of procedure reg_check_2 [2022-07-12 13:55:49,300 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_check_2 [2022-07-12 13:55:49,300 INFO L130 BoogieDeclarations]: Found specification of procedure wrb_from_mccq [2022-07-12 13:55:49,300 INFO L138 BoogieDeclarations]: Found implementation of procedure wrb_from_mccq [2022-07-12 13:55:49,300 INFO L130 BoogieDeclarations]: Found specification of procedure beiscsi_set_static_ip [2022-07-12 13:55:49,300 INFO L138 BoogieDeclarations]: Found implementation of procedure beiscsi_set_static_ip [2022-07-12 13:55:49,300 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_dma_mask [2022-07-12 13:55:49,300 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_dma_mask [2022-07-12 13:55:49,300 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait_event [2022-07-12 13:55:49,300 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait_event [2022-07-12 13:55:49,301 INFO L130 BoogieDeclarations]: Found specification of procedure be_sgl_destroy_contiguous [2022-07-12 13:55:49,301 INFO L138 BoogieDeclarations]: Found implementation of procedure be_sgl_destroy_contiguous [2022-07-12 13:55:49,301 INFO L130 BoogieDeclarations]: Found specification of procedure be2iscsi_iface_get_param [2022-07-12 13:55:49,301 INFO L138 BoogieDeclarations]: Found implementation of procedure be2iscsi_iface_get_param [2022-07-12 13:55:49,301 INFO L130 BoogieDeclarations]: Found specification of procedure amap_set [2022-07-12 13:55:49,301 INFO L138 BoogieDeclarations]: Found implementation of procedure amap_set [2022-07-12 13:55:49,301 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2022-07-12 13:55:49,301 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2022-07-12 13:55:49,301 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2022-07-12 13:55:49,301 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2022-07-12 13:55:49,302 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-07-12 13:55:49,302 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-07-12 13:55:49,302 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_host_get [2022-07-12 13:55:49,302 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_host_get [2022-07-12 13:55:49,302 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_is_host_device [2022-07-12 13:55:49,302 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_is_host_device [2022-07-12 13:55:49,302 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_drvdata [2022-07-12 13:55:49,302 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_drvdata [2022-07-12 13:55:49,302 INFO L130 BoogieDeclarations]: Found specification of procedure beiscsi_free_ep [2022-07-12 13:55:49,302 INFO L138 BoogieDeclarations]: Found implementation of procedure beiscsi_free_ep [2022-07-12 13:55:49,302 INFO L130 BoogieDeclarations]: Found specification of procedure be_mcc_compl_process [2022-07-12 13:55:49,303 INFO L138 BoogieDeclarations]: Found implementation of procedure be_mcc_compl_process [2022-07-12 13:55:49,303 INFO L130 BoogieDeclarations]: Found specification of procedure beiscsi_parse_pdu [2022-07-12 13:55:49,303 INFO L138 BoogieDeclarations]: Found implementation of procedure beiscsi_parse_pdu [2022-07-12 13:55:49,303 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_target [2022-07-12 13:55:49,303 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_target [2022-07-12 13:55:49,303 INFO L130 BoogieDeclarations]: Found specification of procedure beiscsi_mccq_compl [2022-07-12 13:55:49,303 INFO L138 BoogieDeclarations]: Found implementation of procedure beiscsi_mccq_compl [2022-07-12 13:55:49,303 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2022-07-12 13:55:49,303 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2022-07-12 13:55:49,303 INFO L130 BoogieDeclarations]: Found specification of procedure beiscsi_unmap_pci_function [2022-07-12 13:55:49,304 INFO L138 BoogieDeclarations]: Found implementation of procedure beiscsi_unmap_pci_function [2022-07-12 13:55:49,304 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-12 13:55:49,304 INFO L130 BoogieDeclarations]: Found specification of procedure embedded_payload [2022-07-12 13:55:49,304 INFO L138 BoogieDeclarations]: Found implementation of procedure embedded_payload [2022-07-12 13:55:49,304 INFO L130 BoogieDeclarations]: Found specification of procedure hwi_build_be_sgl_arr [2022-07-12 13:55:49,304 INFO L138 BoogieDeclarations]: Found implementation of procedure hwi_build_be_sgl_arr [2022-07-12 13:55:49,304 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2022-07-12 13:55:49,304 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2022-07-12 13:55:49,304 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-12 13:55:49,305 INFO L130 BoogieDeclarations]: Found specification of procedure beiscsi_task_xmit [2022-07-12 13:55:49,305 INFO L138 BoogieDeclarations]: Found implementation of procedure beiscsi_task_xmit [2022-07-12 13:55:49,305 INFO L130 BoogieDeclarations]: Found specification of procedure beiscsi_conn_start [2022-07-12 13:55:49,305 INFO L138 BoogieDeclarations]: Found implementation of procedure beiscsi_conn_start [2022-07-12 13:55:49,305 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-07-12 13:55:49,305 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-07-12 13:55:49,305 INFO L130 BoogieDeclarations]: Found specification of procedure fls_long [2022-07-12 13:55:49,305 INFO L138 BoogieDeclarations]: Found implementation of procedure fls_long [2022-07-12 13:55:49,305 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-12 13:55:49,306 INFO L130 BoogieDeclarations]: Found specification of procedure nonembedded_sgl [2022-07-12 13:55:49,306 INFO L138 BoogieDeclarations]: Found implementation of procedure nonembedded_sgl [2022-07-12 13:55:49,306 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_dword [2022-07-12 13:55:49,306 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_dword [2022-07-12 13:55:49,306 INFO L130 BoogieDeclarations]: Found specification of procedure queue_tail_inc [2022-07-12 13:55:49,306 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_tail_inc [2022-07-12 13:55:49,306 INFO L130 BoogieDeclarations]: Found specification of procedure mgmt_modify_gateway [2022-07-12 13:55:49,306 INFO L138 BoogieDeclarations]: Found implementation of procedure mgmt_modify_gateway [2022-07-12 13:55:49,306 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2022-07-12 13:55:49,306 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2022-07-12 13:55:49,307 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2022-07-12 13:55:49,307 INFO L130 BoogieDeclarations]: Found specification of procedure beiscsi_get_macaddr [2022-07-12 13:55:49,307 INFO L138 BoogieDeclarations]: Found implementation of procedure beiscsi_get_macaddr [2022-07-12 13:55:49,307 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_host_put [2022-07-12 13:55:49,307 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_host_put [2022-07-12 13:55:49,307 INFO L130 BoogieDeclarations]: Found specification of procedure beiscsi_conn_get_stats [2022-07-12 13:55:49,308 INFO L138 BoogieDeclarations]: Found implementation of procedure beiscsi_conn_get_stats [2022-07-12 13:55:49,308 INFO L130 BoogieDeclarations]: Found specification of procedure be_sgl_create_contiguous [2022-07-12 13:55:49,308 INFO L138 BoogieDeclarations]: Found implementation of procedure be_sgl_create_contiguous [2022-07-12 13:55:49,308 INFO L130 BoogieDeclarations]: Found specification of procedure mgmt_get_all_if_id [2022-07-12 13:55:49,308 INFO L138 BoogieDeclarations]: Found implementation of procedure mgmt_get_all_if_id [2022-07-12 13:55:49,308 INFO L130 BoogieDeclarations]: Found specification of procedure beiscsi_clean_port [2022-07-12 13:55:49,308 INFO L138 BoogieDeclarations]: Found implementation of procedure beiscsi_clean_port [2022-07-12 13:55:49,308 INFO L130 BoogieDeclarations]: Found specification of procedure beiscsi_cmd_cq_create [2022-07-12 13:55:49,308 INFO L138 BoogieDeclarations]: Found implementation of procedure beiscsi_cmd_cq_create [2022-07-12 13:55:49,308 INFO L130 BoogieDeclarations]: Found specification of procedure be_chk_reset_complete [2022-07-12 13:55:49,309 INFO L138 BoogieDeclarations]: Found implementation of procedure be_chk_reset_complete [2022-07-12 13:55:49,309 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2022-07-12 13:55:49,309 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2022-07-12 13:55:49,309 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-07-12 13:55:49,309 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-07-12 13:55:49,309 INFO L130 BoogieDeclarations]: Found specification of procedure iscsi_boot_destroy_kset [2022-07-12 13:55:49,309 INFO L138 BoogieDeclarations]: Found implementation of procedure iscsi_boot_destroy_kset [2022-07-12 13:55:49,309 INFO L130 BoogieDeclarations]: Found specification of procedure free_mgmt_sgl_handle [2022-07-12 13:55:49,309 INFO L138 BoogieDeclarations]: Found implementation of procedure free_mgmt_sgl_handle [2022-07-12 13:55:49,309 INFO L130 BoogieDeclarations]: Found specification of procedure be_mbox_notify [2022-07-12 13:55:49,310 INFO L138 BoogieDeclarations]: Found implementation of procedure be_mbox_notify [2022-07-12 13:55:49,310 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_delayed_work [2022-07-12 13:55:49,310 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_delayed_work [2022-07-12 13:55:49,310 INFO L130 BoogieDeclarations]: Found specification of procedure mgmt_alloc_cmd_data [2022-07-12 13:55:49,310 INFO L138 BoogieDeclarations]: Found implementation of procedure mgmt_alloc_cmd_data [2022-07-12 13:55:49,310 INFO L130 BoogieDeclarations]: Found specification of procedure be2iscsi_attr_is_visible [2022-07-12 13:55:49,310 INFO L138 BoogieDeclarations]: Found implementation of procedure be2iscsi_attr_is_visible [2022-07-12 13:55:49,310 INFO L130 BoogieDeclarations]: Found specification of procedure beiscsi_bsg_request [2022-07-12 13:55:49,310 INFO L138 BoogieDeclarations]: Found implementation of procedure beiscsi_bsg_request [2022-07-12 13:55:49,310 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2022-07-12 13:55:49,312 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2022-07-12 13:55:49,314 INFO L130 BoogieDeclarations]: Found specification of procedure be_queue_alloc [2022-07-12 13:55:49,314 INFO L138 BoogieDeclarations]: Found implementation of procedure be_queue_alloc [2022-07-12 13:55:49,314 INFO L130 BoogieDeclarations]: Found specification of procedure shost_priv [2022-07-12 13:55:49,314 INFO L138 BoogieDeclarations]: Found implementation of procedure shost_priv [2022-07-12 13:55:49,315 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout [2022-07-12 13:55:49,315 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout [2022-07-12 13:55:49,315 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2022-07-12 13:55:49,315 INFO L130 BoogieDeclarations]: Found specification of procedure iscsi_create_iface [2022-07-12 13:55:49,315 INFO L138 BoogieDeclarations]: Found implementation of procedure iscsi_create_iface [2022-07-12 13:55:49,316 INFO L130 BoogieDeclarations]: Found specification of procedure queue_tail_node [2022-07-12 13:55:49,316 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_tail_node [2022-07-12 13:55:49,316 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2022-07-12 13:55:49,316 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2022-07-12 13:55:49,316 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-12 13:55:49,317 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-12 13:55:49,317 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2022-07-12 13:55:49,317 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2022-07-12 13:55:49,317 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2022-07-12 13:55:49,317 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2022-07-12 13:55:49,317 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-07-12 13:55:49,317 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-07-12 13:55:49,317 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-07-12 13:55:49,317 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-07-12 13:55:49,317 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-07-12 13:55:49,318 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-12 13:55:49,318 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-07-12 13:55:49,318 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-12 13:55:49,318 INFO L130 BoogieDeclarations]: Found specification of procedure beiscsi_get_host_param [2022-07-12 13:55:49,318 INFO L138 BoogieDeclarations]: Found implementation of procedure beiscsi_get_host_param [2022-07-12 13:55:49,318 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-12 13:55:49,318 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-12 13:55:49,318 INFO L130 BoogieDeclarations]: Found specification of procedure hwi_init_controller [2022-07-12 13:55:49,318 INFO L138 BoogieDeclarations]: Found implementation of procedure hwi_init_controller [2022-07-12 13:55:49,318 INFO L130 BoogieDeclarations]: Found specification of procedure hwi_cleanup [2022-07-12 13:55:49,318 INFO L138 BoogieDeclarations]: Found implementation of procedure hwi_cleanup [2022-07-12 13:55:49,319 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2022-07-12 13:55:49,319 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2022-07-12 13:55:49,319 INFO L130 BoogieDeclarations]: Found specification of procedure is_link_state_evt [2022-07-12 13:55:49,319 INFO L138 BoogieDeclarations]: Found implementation of procedure is_link_state_evt [2022-07-12 13:55:49,319 INFO L130 BoogieDeclarations]: Found specification of procedure hwi_free_async_msg [2022-07-12 13:55:49,319 INFO L138 BoogieDeclarations]: Found implementation of procedure hwi_free_async_msg [2022-07-12 13:55:49,319 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_workqueue [2022-07-12 13:55:49,319 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_workqueue [2022-07-12 13:55:49,319 INFO L130 BoogieDeclarations]: Found specification of procedure be_cmd_hdr_prepare [2022-07-12 13:55:49,319 INFO L138 BoogieDeclarations]: Found implementation of procedure be_cmd_hdr_prepare [2022-07-12 13:55:49,320 INFO L130 BoogieDeclarations]: Found specification of procedure beiscsi_msix_enable [2022-07-12 13:55:49,320 INFO L138 BoogieDeclarations]: Found implementation of procedure beiscsi_msix_enable [2022-07-12 13:55:49,320 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_bufflen [2022-07-12 13:55:49,320 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_bufflen [2022-07-12 13:55:49,320 INFO L130 BoogieDeclarations]: Found specification of procedure mgmt_invalidate_icds [2022-07-12 13:55:49,320 INFO L138 BoogieDeclarations]: Found implementation of procedure mgmt_invalidate_icds [2022-07-12 13:55:49,320 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-07-12 13:55:49,320 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-07-12 13:55:49,320 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work_on [2022-07-12 13:55:49,320 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work_on [2022-07-12 13:55:49,320 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-07-12 13:55:49,321 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-07-12 13:55:49,321 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-12 13:55:49,321 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-12 13:55:49,321 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_irq_2 [2022-07-12 13:55:49,321 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_irq_2 [2022-07-12 13:55:49,321 INFO L130 BoogieDeclarations]: Found specification of procedure be2iscsi_iface_set_param [2022-07-12 13:55:49,321 INFO L138 BoogieDeclarations]: Found implementation of procedure be2iscsi_iface_set_param [2022-07-12 13:55:49,321 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-07-12 13:55:49,321 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-07-12 13:55:49,321 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_msix [2022-07-12 13:55:49,322 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_msix [2022-07-12 13:55:49,322 INFO L130 BoogieDeclarations]: Found specification of procedure mgmt_set_vlan [2022-07-12 13:55:49,322 INFO L138 BoogieDeclarations]: Found implementation of procedure mgmt_set_vlan [2022-07-12 13:55:49,322 INFO L130 BoogieDeclarations]: Found specification of procedure hwi_update_async_writables [2022-07-12 13:55:49,322 INFO L138 BoogieDeclarations]: Found implementation of procedure hwi_update_async_writables [2022-07-12 13:55:49,322 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2022-07-12 13:55:49,322 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2022-07-12 13:55:49,322 INFO L130 BoogieDeclarations]: Found specification of procedure beiscsi_alloc_pdu [2022-07-12 13:55:49,322 INFO L138 BoogieDeclarations]: Found implementation of procedure beiscsi_alloc_pdu [2022-07-12 13:55:49,322 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2022-07-12 13:55:49,322 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2022-07-12 13:55:49,323 INFO L130 BoogieDeclarations]: Found specification of procedure beiscsi_ep_connect [2022-07-12 13:55:49,323 INFO L138 BoogieDeclarations]: Found implementation of procedure beiscsi_ep_connect [2022-07-12 13:55:49,323 INFO L130 BoogieDeclarations]: Found specification of procedure iscsi_session_recovery_timedout [2022-07-12 13:55:49,323 INFO L138 BoogieDeclarations]: Found implementation of procedure iscsi_session_recovery_timedout [2022-07-12 13:55:49,323 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2022-07-12 13:55:49,323 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2022-07-12 13:55:49,323 INFO L130 BoogieDeclarations]: Found specification of procedure iscsi_unregister_transport [2022-07-12 13:55:49,323 INFO L138 BoogieDeclarations]: Found implementation of procedure iscsi_unregister_transport [2022-07-12 13:55:49,323 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-12 13:55:49,323 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-07-12 13:55:49,324 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-07-12 13:55:49,324 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2022-07-12 13:55:49,324 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2022-07-12 13:55:49,324 INFO L130 BoogieDeclarations]: Found specification of procedure beiscsi_quiesce [2022-07-12 13:55:49,324 INFO L138 BoogieDeclarations]: Found implementation of procedure beiscsi_quiesce [2022-07-12 13:55:49,324 INFO L130 BoogieDeclarations]: Found specification of procedure blk_iopoll_enable [2022-07-12 13:55:49,324 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_iopoll_enable [2022-07-12 13:55:49,324 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_work_6 [2022-07-12 13:55:49,324 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_work_6 [2022-07-12 13:55:49,324 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-12 13:55:49,324 INFO L130 BoogieDeclarations]: Found specification of procedure blk_iopoll_disable [2022-07-12 13:55:49,325 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_iopoll_disable [2022-07-12 13:55:49,325 INFO L130 BoogieDeclarations]: Found specification of procedure iscsi_host_for_each_session [2022-07-12 13:55:49,325 INFO L138 BoogieDeclarations]: Found implementation of procedure iscsi_host_for_each_session [2022-07-12 13:55:49,325 INFO L130 BoogieDeclarations]: Found specification of procedure mgmt_get_gateway [2022-07-12 13:55:49,325 INFO L138 BoogieDeclarations]: Found implementation of procedure mgmt_get_gateway [2022-07-12 13:55:49,325 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2022-07-12 13:55:49,325 INFO L130 BoogieDeclarations]: Found specification of procedure beiscsi_conn_create [2022-07-12 13:55:49,325 INFO L138 BoogieDeclarations]: Found implementation of procedure beiscsi_conn_create [2022-07-12 13:55:49,325 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-07-12 13:55:49,325 INFO L130 BoogieDeclarations]: Found specification of procedure mgmt_get_if_info [2022-07-12 13:55:49,325 INFO L138 BoogieDeclarations]: Found implementation of procedure mgmt_get_if_info [2022-07-12 13:55:49,326 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-07-12 13:55:49,326 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-07-12 13:55:49,326 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_wrb_handle [2022-07-12 13:55:49,326 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_wrb_handle [2022-07-12 13:55:49,326 INFO L130 BoogieDeclarations]: Found specification of procedure blk_iopoll_sched_prep [2022-07-12 13:55:49,326 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_iopoll_sched_prep [2022-07-12 13:55:49,326 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-12 13:55:49,326 INFO L130 BoogieDeclarations]: Found specification of procedure beiscsi_error [2022-07-12 13:55:49,326 INFO L138 BoogieDeclarations]: Found implementation of procedure beiscsi_error [2022-07-12 13:55:49,326 INFO L130 BoogieDeclarations]: Found specification of procedure be_fill_queue [2022-07-12 13:55:49,326 INFO L138 BoogieDeclarations]: Found implementation of procedure be_fill_queue [2022-07-12 13:55:49,327 INFO L130 BoogieDeclarations]: Found specification of procedure beiscsi_get_params [2022-07-12 13:55:49,327 INFO L138 BoogieDeclarations]: Found implementation of procedure beiscsi_get_params [2022-07-12 13:55:49,327 INFO L130 BoogieDeclarations]: Found specification of procedure be_mcc_notify [2022-07-12 13:55:49,327 INFO L138 BoogieDeclarations]: Found implementation of procedure be_mcc_notify [2022-07-12 13:55:49,327 INFO L130 BoogieDeclarations]: Found specification of procedure beiscsi_async_link_state_process [2022-07-12 13:55:49,327 INFO L138 BoogieDeclarations]: Found implementation of procedure beiscsi_async_link_state_process [2022-07-12 13:55:49,327 INFO L130 BoogieDeclarations]: Found specification of procedure nla_data [2022-07-12 13:55:49,327 INFO L138 BoogieDeclarations]: Found implementation of procedure nla_data [2022-07-12 13:55:49,327 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-07-12 13:55:49,327 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-07-12 13:55:49,328 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2022-07-12 13:55:49,328 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2022-07-12 13:55:49,328 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2022-07-12 13:55:49,328 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2022-07-12 13:55:49,328 INFO L130 BoogieDeclarations]: Found specification of procedure beiscsi_setup_boot_info [2022-07-12 13:55:49,328 INFO L138 BoogieDeclarations]: Found implementation of procedure beiscsi_setup_boot_info [2022-07-12 13:55:49,328 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2022-07-12 13:55:49,328 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2022-07-12 13:55:49,328 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2022-07-12 13:55:49,328 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2022-07-12 13:55:49,328 INFO L130 BoogieDeclarations]: Found specification of procedure mgmt_set_ip [2022-07-12 13:55:49,329 INFO L138 BoogieDeclarations]: Found implementation of procedure mgmt_set_ip [2022-07-12 13:55:49,329 INFO L130 BoogieDeclarations]: Found specification of procedure hwi_ring_cq_db [2022-07-12 13:55:49,329 INFO L138 BoogieDeclarations]: Found implementation of procedure hwi_ring_cq_db [2022-07-12 13:55:49,329 INFO L130 BoogieDeclarations]: Found specification of procedure hwi_write_buffer [2022-07-12 13:55:49,329 INFO L138 BoogieDeclarations]: Found implementation of procedure hwi_write_buffer [2022-07-12 13:55:49,329 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_dma_unmap [2022-07-12 13:55:49,329 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_dma_unmap [2022-07-12 13:55:49,329 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_format_mac [2022-07-12 13:55:49,329 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_format_mac [2022-07-12 13:55:49,329 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2022-07-12 13:55:49,330 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2022-07-12 13:55:49,330 INFO L130 BoogieDeclarations]: Found specification of procedure beiscsi_set_param [2022-07-12 13:55:49,330 INFO L138 BoogieDeclarations]: Found implementation of procedure beiscsi_set_param [2022-07-12 13:55:49,330 INFO L130 BoogieDeclarations]: Found specification of procedure hwi_get_async_handle [2022-07-12 13:55:49,330 INFO L138 BoogieDeclarations]: Found implementation of procedure hwi_get_async_handle [2022-07-12 13:55:49,330 INFO L130 BoogieDeclarations]: Found specification of procedure iscsi_destroy_iface [2022-07-12 13:55:49,330 INFO L138 BoogieDeclarations]: Found implementation of procedure iscsi_destroy_iface [2022-07-12 13:55:49,330 INFO L130 BoogieDeclarations]: Found specification of procedure free_wrb_handle [2022-07-12 13:55:49,330 INFO L138 BoogieDeclarations]: Found implementation of procedure free_wrb_handle [2022-07-12 13:55:49,330 INFO L130 BoogieDeclarations]: Found specification of procedure be_mbox_db_ready_wait [2022-07-12 13:55:49,331 INFO L138 BoogieDeclarations]: Found implementation of procedure be_mbox_db_ready_wait [2022-07-12 13:55:49,331 INFO L130 BoogieDeclarations]: Found specification of procedure synchronize_irq [2022-07-12 13:55:49,331 INFO L138 BoogieDeclarations]: Found implementation of procedure synchronize_irq [2022-07-12 13:55:49,331 INFO L130 BoogieDeclarations]: Found specification of procedure beiscsi_cmd_q_destroy [2022-07-12 13:55:49,331 INFO L138 BoogieDeclarations]: Found implementation of procedure beiscsi_cmd_q_destroy [2022-07-12 13:55:49,331 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-12 13:55:49,331 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-12 13:55:49,331 INFO L130 BoogieDeclarations]: Found specification of procedure hwi_post_async_buffers [2022-07-12 13:55:49,331 INFO L138 BoogieDeclarations]: Found implementation of procedure hwi_post_async_buffers [2022-07-12 13:55:49,331 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_irq_2 [2022-07-12 13:55:49,331 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_irq_2 [2022-07-12 13:55:49,332 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2022-07-12 13:55:49,332 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2022-07-12 13:55:49,332 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-07-12 13:55:49,332 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2022-07-12 13:55:49,332 INFO L130 BoogieDeclarations]: Found specification of procedure be_complete_nopin_resp [2022-07-12 13:55:49,332 INFO L138 BoogieDeclarations]: Found implementation of procedure be_complete_nopin_resp [2022-07-12 13:55:49,332 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-12 13:55:49,332 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-12 13:55:49,332 INFO L130 BoogieDeclarations]: Found specification of procedure find_num_cpus [2022-07-12 13:55:49,332 INFO L138 BoogieDeclarations]: Found implementation of procedure find_num_cpus [2022-07-12 13:55:49,333 INFO L130 BoogieDeclarations]: Found specification of procedure beiscsi_eeh_reset [2022-07-12 13:55:49,333 INFO L138 BoogieDeclarations]: Found implementation of procedure beiscsi_eeh_reset [2022-07-12 13:55:49,333 INFO L130 BoogieDeclarations]: Found specification of procedure beiscsi_ep_get_param [2022-07-12 13:55:49,333 INFO L138 BoogieDeclarations]: Found implementation of procedure beiscsi_ep_get_param [2022-07-12 13:55:49,333 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dev_put [2022-07-12 13:55:49,333 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dev_put [2022-07-12 13:55:49,333 INFO L130 BoogieDeclarations]: Found specification of procedure __ilog2_u32 [2022-07-12 13:55:49,333 INFO L138 BoogieDeclarations]: Found implementation of procedure __ilog2_u32 [2022-07-12 13:55:49,333 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2022-07-12 13:55:49,333 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2022-07-12 13:55:49,334 INFO L130 BoogieDeclarations]: Found specification of procedure hwi_ring_eq_db [2022-07-12 13:55:49,334 INFO L138 BoogieDeclarations]: Found implementation of procedure hwi_ring_eq_db [2022-07-12 13:55:49,334 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2022-07-12 13:55:49,334 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2022-07-12 13:55:49,334 INFO L130 BoogieDeclarations]: Found specification of procedure iscsi_host_free [2022-07-12 13:55:49,334 INFO L138 BoogieDeclarations]: Found implementation of procedure iscsi_host_free [2022-07-12 13:55:49,334 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2022-07-12 13:55:49,334 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2022-07-12 13:55:49,334 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_3 [2022-07-12 13:55:49,334 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_3 [2022-07-12 13:55:49,335 INFO L130 BoogieDeclarations]: Found specification of procedure beiscsi_create_ipv4_iface [2022-07-12 13:55:49,335 INFO L138 BoogieDeclarations]: Found implementation of procedure beiscsi_create_ipv4_iface [2022-07-12 13:55:49,335 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_2 [2022-07-12 13:55:49,335 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_2 [2022-07-12 13:55:49,335 INFO L130 BoogieDeclarations]: Found specification of procedure dev_to_shost [2022-07-12 13:55:49,335 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_to_shost [2022-07-12 13:55:49,335 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2022-07-12 13:55:49,335 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2022-07-12 13:55:49,335 INFO L130 BoogieDeclarations]: Found specification of procedure iscsi_destroy_endpoint [2022-07-12 13:55:49,335 INFO L138 BoogieDeclarations]: Found implementation of procedure iscsi_destroy_endpoint [2022-07-12 13:55:49,335 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_9 [2022-07-12 13:55:49,336 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_9 [2022-07-12 13:55:49,336 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_all_6 [2022-07-12 13:55:49,336 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_all_6 [2022-07-12 13:55:49,336 INFO L130 BoogieDeclarations]: Found specification of procedure iscsi_conn_teardown [2022-07-12 13:55:49,336 INFO L138 BoogieDeclarations]: Found implementation of procedure iscsi_conn_teardown [2022-07-12 13:55:49,336 INFO L130 BoogieDeclarations]: Found specification of procedure blk_iopoll_sched [2022-07-12 13:55:49,336 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_iopoll_sched [2022-07-12 13:55:49,336 INFO L130 BoogieDeclarations]: Found specification of procedure beiscsi_ep_poll [2022-07-12 13:55:49,336 INFO L138 BoogieDeclarations]: Found implementation of procedure beiscsi_ep_poll [2022-07-12 13:55:49,336 INFO L130 BoogieDeclarations]: Found specification of procedure beiscsi_conn_bind [2022-07-12 13:55:49,337 INFO L138 BoogieDeclarations]: Found implementation of procedure beiscsi_conn_bind [2022-07-12 13:55:49,337 INFO L130 BoogieDeclarations]: Found specification of procedure wrb_from_mbox [2022-07-12 13:55:49,337 INFO L138 BoogieDeclarations]: Found implementation of procedure wrb_from_mbox [2022-07-12 13:55:49,337 INFO L130 BoogieDeclarations]: Found specification of procedure amap_mask [2022-07-12 13:55:49,337 INFO L138 BoogieDeclarations]: Found implementation of procedure amap_mask [2022-07-12 13:55:49,337 INFO L130 BoogieDeclarations]: Found specification of procedure beiscsi_create_ipv6_iface [2022-07-12 13:55:49,337 INFO L138 BoogieDeclarations]: Found implementation of procedure beiscsi_create_ipv6_iface [2022-07-12 13:55:49,337 INFO L130 BoogieDeclarations]: Found specification of procedure be_cmd_create_default_pdu_queue [2022-07-12 13:55:49,337 INFO L138 BoogieDeclarations]: Found implementation of procedure be_cmd_create_default_pdu_queue [2022-07-12 13:55:49,337 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2022-07-12 13:55:49,338 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2022-07-12 13:55:49,338 INFO L130 BoogieDeclarations]: Found specification of procedure be_encoded_q_len [2022-07-12 13:55:49,338 INFO L138 BoogieDeclarations]: Found implementation of procedure be_encoded_q_len [2022-07-12 13:55:49,338 INFO L130 BoogieDeclarations]: Found specification of procedure hwi_fwd_async_msg [2022-07-12 13:55:49,338 INFO L138 BoogieDeclarations]: Found implementation of procedure hwi_fwd_async_msg [2022-07-12 13:55:49,338 INFO L130 BoogieDeclarations]: Found specification of procedure mgmt_static_ip_modify [2022-07-12 13:55:49,338 INFO L138 BoogieDeclarations]: Found implementation of procedure mgmt_static_ip_modify [2022-07-12 13:55:49,338 INFO L130 BoogieDeclarations]: Found specification of procedure hwi_process_default_pdu_ring [2022-07-12 13:55:49,338 INFO L138 BoogieDeclarations]: Found implementation of procedure hwi_process_default_pdu_ring [2022-07-12 13:55:49,338 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-07-12 13:55:49,338 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-07-12 13:55:49,339 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2022-07-12 13:55:49,339 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2022-07-12 13:55:49,339 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2022-07-12 13:55:49,339 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2022-07-12 13:55:49,339 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work [2022-07-12 13:55:49,339 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work [2022-07-12 13:55:49,339 INFO L130 BoogieDeclarations]: Found specification of procedure beiscsi_free_mgmt_task_handles [2022-07-12 13:55:49,339 INFO L138 BoogieDeclarations]: Found implementation of procedure beiscsi_free_mgmt_task_handles [2022-07-12 13:55:49,339 INFO L130 BoogieDeclarations]: Found specification of procedure dma_pool_free [2022-07-12 13:55:49,339 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_pool_free [2022-07-12 13:55:50,959 INFO L234 CfgBuilder]: Building ICFG [2022-07-12 13:55:50,963 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-12 13:55:51,532 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-12 13:58:36,884 INFO L275 CfgBuilder]: Performing block encoding [2022-07-12 13:58:36,912 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-12 13:58:36,912 INFO L299 CfgBuilder]: Removed 3 assume(true) statements. [2022-07-12 13:58:36,920 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.07 01:58:36 BoogieIcfgContainer [2022-07-12 13:58:36,920 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-12 13:58:36,922 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-12 13:58:36,922 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-12 13:58:36,925 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-12 13:58:36,925 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.07 01:55:35" (1/3) ... [2022-07-12 13:58:36,925 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7cc8e064 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.07 01:58:36, skipping insertion in model container [2022-07-12 13:58:36,925 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 01:55:47" (2/3) ... [2022-07-12 13:58:36,926 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7cc8e064 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.07 01:58:36, skipping insertion in model container [2022-07-12 13:58:36,926 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.07 01:58:36" (3/3) ... [2022-07-12 13:58:36,927 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-32_7a-drivers--scsi--be2iscsi--be2iscsi.ko-entry_point.cil.out.i [2022-07-12 13:58:36,938 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-12 13:58:36,938 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-12 13:58:37,053 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-12 13:58:37,060 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@7c1b273f, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@11795189 [2022-07-12 13:58:37,060 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-12 13:58:37,078 INFO L276 IsEmpty]: Start isEmpty. Operand has 6300 states, 4422 states have (on average 1.3943916779737675) internal successors, (6166), 4524 states have internal predecessors, (6166), 1647 states have call successors, (1647), 231 states have call predecessors, (1647), 230 states have return successors, (1625), 1611 states have call predecessors, (1625), 1625 states have call successors, (1625) [2022-07-12 13:58:37,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 939 [2022-07-12 13:58:37,114 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 13:58:37,118 INFO L195 NwaCegarLoop]: trace histogram [39, 39, 39, 39, 39, 39, 39, 39, 39, 39, 39, 39, 39, 26, 26, 26, 26, 26, 26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:58:37,118 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 13:58:37,122 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 13:58:37,123 INFO L85 PathProgramCache]: Analyzing trace with hash -1503970682, now seen corresponding path program 1 times [2022-07-12 13:58:37,141 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 13:58:37,142 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [988634654] [2022-07-12 13:58:37,142 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 13:58:37,143 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 13:58:37,143 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 13:58:37,161 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 13:58:37,162 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 13:58:41,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:58:41,968 INFO L263 TraceCheckSpWp]: Trace formula consists of 7875 conjuncts, 1 conjunts are in the unsatisfiable core [2022-07-12 13:58:41,991 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 13:58:42,054 INFO L134 CoverageAnalysis]: Checked inductivity of 13299 backedges. 5256 proven. 0 refuted. 0 times theorem prover too weak. 8043 trivial. 0 not checked. [2022-07-12 13:58:42,054 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 13:58:42,055 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 13:58:42,055 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [988634654] [2022-07-12 13:58:42,055 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [988634654] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 13:58:42,055 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 13:58:42,055 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-12 13:58:42,057 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [257791554] [2022-07-12 13:58:42,057 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 13:58:42,060 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-07-12 13:58:42,061 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 13:58:42,077 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-07-12 13:58:42,077 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-07-12 13:58:42,090 INFO L87 Difference]: Start difference. First operand has 6300 states, 4422 states have (on average 1.3943916779737675) internal successors, (6166), 4524 states have internal predecessors, (6166), 1647 states have call successors, (1647), 231 states have call predecessors, (1647), 230 states have return successors, (1625), 1611 states have call predecessors, (1625), 1625 states have call successors, (1625) Second operand has 2 states, 2 states have (on average 57.5) internal successors, (115), 2 states have internal predecessors, (115), 2 states have call successors, (72), 2 states have call predecessors, (72), 2 states have return successors, (72), 2 states have call predecessors, (72), 2 states have call successors, (72) [2022-07-12 13:58:42,334 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 13:58:42,335 INFO L93 Difference]: Finished difference Result 12592 states and 19099 transitions. [2022-07-12 13:58:42,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-07-12 13:58:42,337 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 57.5) internal successors, (115), 2 states have internal predecessors, (115), 2 states have call successors, (72), 2 states have call predecessors, (72), 2 states have return successors, (72), 2 states have call predecessors, (72), 2 states have call successors, (72) Word has length 938 [2022-07-12 13:58:42,337 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 13:58:42,380 INFO L225 Difference]: With dead ends: 12592 [2022-07-12 13:58:42,380 INFO L226 Difference]: Without dead ends: 6261 [2022-07-12 13:58:42,414 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 937 GetRequests, 937 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 13:58:42,416 INFO L413 NwaCegarLoop]: 9423 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, 9423 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 13:58:42,417 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 9423 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-12 13:58:42,437 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6261 states. [2022-07-12 13:58:42,621 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6261 to 6261. [2022-07-12 13:58:42,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6261 states, 4409 states have (on average 1.3878430483102744) internal successors, (6119), 4484 states have internal predecessors, (6119), 1622 states have call successors, (1622), 230 states have call predecessors, (1622), 229 states have return successors, (1619), 1605 states have call predecessors, (1619), 1619 states have call successors, (1619) [2022-07-12 13:58:42,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6261 states to 6261 states and 9360 transitions. [2022-07-12 13:58:42,670 INFO L78 Accepts]: Start accepts. Automaton has 6261 states and 9360 transitions. Word has length 938 [2022-07-12 13:58:42,671 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 13:58:42,671 INFO L495 AbstractCegarLoop]: Abstraction has 6261 states and 9360 transitions. [2022-07-12 13:58:42,671 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 57.5) internal successors, (115), 2 states have internal predecessors, (115), 2 states have call successors, (72), 2 states have call predecessors, (72), 2 states have return successors, (72), 2 states have call predecessors, (72), 2 states have call successors, (72) [2022-07-12 13:58:42,671 INFO L276 IsEmpty]: Start isEmpty. Operand 6261 states and 9360 transitions. [2022-07-12 13:58:42,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 939 [2022-07-12 13:58:42,692 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 13:58:42,693 INFO L195 NwaCegarLoop]: trace histogram [39, 39, 39, 39, 39, 39, 39, 39, 39, 39, 39, 39, 39, 26, 26, 26, 26, 26, 26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:58:42,791 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 13:58:42,919 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 13:58:42,920 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 13:58:42,921 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 13:58:42,921 INFO L85 PathProgramCache]: Analyzing trace with hash -1192103340, now seen corresponding path program 1 times [2022-07-12 13:58:42,925 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 13:58:42,925 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [638926858] [2022-07-12 13:58:42,925 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 13:58:42,926 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 13:58:42,926 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 13:58:42,927 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 13:58:42,929 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 13:58:50,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:58:50,968 INFO L263 TraceCheckSpWp]: Trace formula consists of 7875 conjuncts, 5 conjunts are in the unsatisfiable core [2022-07-12 13:58:50,993 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 13:58:51,435 INFO L134 CoverageAnalysis]: Checked inductivity of 13299 backedges. 225 proven. 0 refuted. 0 times theorem prover too weak. 13074 trivial. 0 not checked. [2022-07-12 13:58:51,436 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 13:58:51,450 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 13:58:51,451 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [638926858] [2022-07-12 13:58:51,451 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [638926858] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 13:58:51,451 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 13:58:51,451 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-12 13:58:51,451 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [289165388] [2022-07-12 13:58:51,452 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 13:58:51,454 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-12 13:58:51,455 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 13:58:51,455 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-12 13:58:51,455 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-12 13:58:51,456 INFO L87 Difference]: Start difference. First operand 6261 states and 9360 transitions. Second operand has 6 states, 5 states have (on average 22.2) internal successors, (111), 6 states have internal predecessors, (111), 3 states have call successors, (71), 2 states have call predecessors, (71), 4 states have return successors, (70), 3 states have call predecessors, (70), 3 states have call successors, (70) [2022-07-12 13:58:54,872 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 13:58:54,872 INFO L93 Difference]: Finished difference Result 12446 states and 18811 transitions. [2022-07-12 13:58:54,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-12 13:58:54,879 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 22.2) internal successors, (111), 6 states have internal predecessors, (111), 3 states have call successors, (71), 2 states have call predecessors, (71), 4 states have return successors, (70), 3 states have call predecessors, (70), 3 states have call successors, (70) Word has length 938 [2022-07-12 13:58:54,881 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 13:58:54,916 INFO L225 Difference]: With dead ends: 12446 [2022-07-12 13:58:54,916 INFO L226 Difference]: Without dead ends: 6264 [2022-07-12 13:58:54,950 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 939 GetRequests, 933 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-07-12 13:58:54,951 INFO L413 NwaCegarLoop]: 9327 mSDtfsCounter, 6 mSDsluCounter, 37201 mSDsCounter, 0 mSdLazyCounter, 267 mSolverCounterSat, 67 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 46528 SdHoareTripleChecker+Invalid, 334 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 67 IncrementalHoareTripleChecker+Valid, 267 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2022-07-12 13:58:54,951 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 46528 Invalid, 334 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [67 Valid, 267 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2022-07-12 13:58:54,961 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6264 states. [2022-07-12 13:58:55,134 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6264 to 6264. [2022-07-12 13:58:55,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6264 states, 4411 states have (on average 1.3878939016096123) internal successors, (6122), 4487 states have internal predecessors, (6122), 1622 states have call successors, (1622), 230 states have call predecessors, (1622), 230 states have return successors, (1623), 1605 states have call predecessors, (1623), 1619 states have call successors, (1623) [2022-07-12 13:58:55,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6264 states to 6264 states and 9367 transitions. [2022-07-12 13:58:55,170 INFO L78 Accepts]: Start accepts. Automaton has 6264 states and 9367 transitions. Word has length 938 [2022-07-12 13:58:55,172 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 13:58:55,172 INFO L495 AbstractCegarLoop]: Abstraction has 6264 states and 9367 transitions. [2022-07-12 13:58:55,173 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 22.2) internal successors, (111), 6 states have internal predecessors, (111), 3 states have call successors, (71), 2 states have call predecessors, (71), 4 states have return successors, (70), 3 states have call predecessors, (70), 3 states have call successors, (70) [2022-07-12 13:58:55,173 INFO L276 IsEmpty]: Start isEmpty. Operand 6264 states and 9367 transitions. [2022-07-12 13:58:55,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 965 [2022-07-12 13:58:55,181 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 13:58:55,182 INFO L195 NwaCegarLoop]: trace histogram [39, 39, 39, 39, 39, 39, 39, 39, 39, 39, 39, 39, 39, 26, 26, 26, 26, 26, 26, 26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:58:55,285 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 13:58:55,395 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 13:58:55,396 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 13:58:55,396 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 13:58:55,396 INFO L85 PathProgramCache]: Analyzing trace with hash -1227342686, now seen corresponding path program 1 times [2022-07-12 13:58:55,401 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 13:58:55,401 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1003504671] [2022-07-12 13:58:55,401 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 13:58:55,401 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 13:58:55,402 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 13:58:55,403 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 13:58:55,404 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 13:59:03,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:59:04,096 INFO L263 TraceCheckSpWp]: Trace formula consists of 8161 conjuncts, 6 conjunts are in the unsatisfiable core [2022-07-12 13:59:04,163 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 13:59:04,733 INFO L134 CoverageAnalysis]: Checked inductivity of 14300 backedges. 300 proven. 1 refuted. 0 times theorem prover too weak. 13999 trivial. 0 not checked. [2022-07-12 13:59:04,734 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-12 13:59:06,940 INFO L134 CoverageAnalysis]: Checked inductivity of 14300 backedges. 0 proven. 251 refuted. 0 times theorem prover too weak. 14049 trivial. 0 not checked. [2022-07-12 13:59:06,941 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 13:59:06,941 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1003504671] [2022-07-12 13:59:06,941 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1003504671] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-12 13:59:06,941 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-07-12 13:59:06,942 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 11 [2022-07-12 13:59:06,942 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2135245471] [2022-07-12 13:59:06,943 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-07-12 13:59:06,944 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-07-12 13:59:06,944 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 13:59:06,944 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-07-12 13:59:06,945 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2022-07-12 13:59:06,945 INFO L87 Difference]: Start difference. First operand 6264 states and 9367 transitions. Second operand has 11 states, 9 states have (on average 14.222222222222221) internal successors, (128), 11 states have internal predecessors, (128), 4 states have call successors, (99), 2 states have call predecessors, (99), 5 states have return successors, (99), 4 states have call predecessors, (99), 4 states have call successors, (99) [2022-07-12 13:59:11,930 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 13:59:11,930 INFO L93 Difference]: Finished difference Result 12462 states and 18840 transitions. [2022-07-12 13:59:11,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-07-12 13:59:11,945 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 9 states have (on average 14.222222222222221) internal successors, (128), 11 states have internal predecessors, (128), 4 states have call successors, (99), 2 states have call predecessors, (99), 5 states have return successors, (99), 4 states have call predecessors, (99), 4 states have call successors, (99) Word has length 964 [2022-07-12 13:59:11,950 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 13:59:11,994 INFO L225 Difference]: With dead ends: 12462 [2022-07-12 13:59:11,995 INFO L226 Difference]: Without dead ends: 6280 [2022-07-12 13:59:12,025 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1930 GetRequests, 1917 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=52, Invalid=158, Unknown=0, NotChecked=0, Total=210 [2022-07-12 13:59:12,028 INFO L413 NwaCegarLoop]: 9331 mSDtfsCounter, 20 mSDsluCounter, 37165 mSDsCounter, 0 mSdLazyCounter, 381 mSolverCounterSat, 128 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 46496 SdHoareTripleChecker+Invalid, 509 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 128 IncrementalHoareTripleChecker+Valid, 381 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2022-07-12 13:59:12,029 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 46496 Invalid, 509 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [128 Valid, 381 Invalid, 0 Unknown, 0 Unchecked, 4.2s Time] [2022-07-12 13:59:12,040 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6280 states. [2022-07-12 13:59:12,207 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6280 to 6280. [2022-07-12 13:59:12,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6280 states, 4422 states have (on average 1.387381275440977) internal successors, (6135), 4498 states have internal predecessors, (6135), 1624 states have call successors, (1624), 233 states have call predecessors, (1624), 233 states have return successors, (1629), 1607 states have call predecessors, (1629), 1621 states have call successors, (1629) [2022-07-12 13:59:12,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6280 states to 6280 states and 9388 transitions. [2022-07-12 13:59:12,243 INFO L78 Accepts]: Start accepts. Automaton has 6280 states and 9388 transitions. Word has length 964 [2022-07-12 13:59:12,244 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 13:59:12,244 INFO L495 AbstractCegarLoop]: Abstraction has 6280 states and 9388 transitions. [2022-07-12 13:59:12,244 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 9 states have (on average 14.222222222222221) internal successors, (128), 11 states have internal predecessors, (128), 4 states have call successors, (99), 2 states have call predecessors, (99), 5 states have return successors, (99), 4 states have call predecessors, (99), 4 states have call successors, (99) [2022-07-12 13:59:12,244 INFO L276 IsEmpty]: Start isEmpty. Operand 6280 states and 9388 transitions. [2022-07-12 13:59:12,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 990 [2022-07-12 13:59:12,252 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 13:59:12,252 INFO L195 NwaCegarLoop]: trace histogram [51, 39, 39, 39, 39, 39, 39, 39, 39, 39, 39, 39, 39, 39, 26, 26, 26, 26, 26, 26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:59:12,356 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 13:59:12,462 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 13:59:12,463 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 13:59:12,463 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 13:59:12,463 INFO L85 PathProgramCache]: Analyzing trace with hash -1037034033, now seen corresponding path program 2 times [2022-07-12 13:59:12,469 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 13:59:12,469 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [785576905] [2022-07-12 13:59:12,469 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-07-12 13:59:12,469 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 13:59:12,469 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 13:59:12,470 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 13:59:12,472 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 13:59:16,025 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-07-12 13:59:16,025 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-12 13:59:16,147 INFO L263 TraceCheckSpWp]: Trace formula consists of 5139 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-12 13:59:16,182 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 13:59:16,472 INFO L134 CoverageAnalysis]: Checked inductivity of 15900 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15900 trivial. 0 not checked. [2022-07-12 13:59:16,475 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 13:59:16,475 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 13:59:16,475 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [785576905] [2022-07-12 13:59:16,475 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [785576905] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 13:59:16,475 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 13:59:16,476 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-12 13:59:16,476 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [397599066] [2022-07-12 13:59:16,476 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 13:59:16,477 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-12 13:59:16,479 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 13:59:16,479 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-12 13:59:16,479 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 13:59:16,480 INFO L87 Difference]: Start difference. First operand 6280 states and 9388 transitions. Second operand has 3 states, 3 states have (on average 35.333333333333336) internal successors, (106), 3 states have internal predecessors, (106), 2 states have call successors, (70), 2 states have call predecessors, (70), 2 states have return successors, (69), 2 states have call predecessors, (69), 2 states have call successors, (69) [2022-07-12 13:59:17,184 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 13:59:17,185 INFO L93 Difference]: Finished difference Result 18480 states and 27654 transitions. [2022-07-12 13:59:17,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-12 13:59:17,185 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 35.333333333333336) internal successors, (106), 3 states have internal predecessors, (106), 2 states have call successors, (70), 2 states have call predecessors, (70), 2 states have return successors, (69), 2 states have call predecessors, (69), 2 states have call successors, (69) Word has length 989 [2022-07-12 13:59:17,186 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 13:59:17,264 INFO L225 Difference]: With dead ends: 18480 [2022-07-12 13:59:17,265 INFO L226 Difference]: Without dead ends: 12354 [2022-07-12 13:59:17,290 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 988 GetRequests, 987 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 13:59:17,292 INFO L413 NwaCegarLoop]: 10911 mSDtfsCounter, 9090 mSDsluCounter, 9327 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9090 SdHoareTripleChecker+Valid, 20238 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-07-12 13:59:17,293 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9090 Valid, 20238 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-07-12 13:59:17,307 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12354 states. [2022-07-12 13:59:17,585 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12354 to 12352. [2022-07-12 13:59:17,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12352 states, 8726 states have (on average 1.3915883566353426) internal successors, (12143), 8876 states have internal predecessors, (12143), 3163 states have call successors, (3163), 461 states have call predecessors, (3163), 462 states have return successors, (3172), 3132 states have call predecessors, (3172), 3160 states have call successors, (3172) [2022-07-12 13:59:17,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12352 states to 12352 states and 18478 transitions. [2022-07-12 13:59:17,638 INFO L78 Accepts]: Start accepts. Automaton has 12352 states and 18478 transitions. Word has length 989 [2022-07-12 13:59:17,640 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 13:59:17,640 INFO L495 AbstractCegarLoop]: Abstraction has 12352 states and 18478 transitions. [2022-07-12 13:59:17,640 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 35.333333333333336) internal successors, (106), 3 states have internal predecessors, (106), 2 states have call successors, (70), 2 states have call predecessors, (70), 2 states have return successors, (69), 2 states have call predecessors, (69), 2 states have call successors, (69) [2022-07-12 13:59:17,640 INFO L276 IsEmpty]: Start isEmpty. Operand 12352 states and 18478 transitions. [2022-07-12 13:59:17,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 994 [2022-07-12 13:59:17,647 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 13:59:17,648 INFO L195 NwaCegarLoop]: trace histogram [51, 39, 39, 39, 39, 39, 39, 39, 39, 39, 39, 39, 39, 39, 26, 26, 26, 26, 26, 26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:59:17,694 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Ended with exit code 0 [2022-07-12 13:59:17,855 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 13:59:17,856 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 13:59:17,856 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 13:59:17,856 INFO L85 PathProgramCache]: Analyzing trace with hash -244048763, now seen corresponding path program 1 times [2022-07-12 13:59:17,860 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 13:59:17,861 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2103288494] [2022-07-12 13:59:17,861 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 13:59:17,861 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 13:59:17,861 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 13:59:17,862 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 13:59:17,863 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 13:59:26,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:59:26,366 INFO L263 TraceCheckSpWp]: Trace formula consists of 8443 conjuncts, 7 conjunts are in the unsatisfiable core [2022-07-12 13:59:26,378 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 13:59:27,023 INFO L134 CoverageAnalysis]: Checked inductivity of 15900 backedges. 422 proven. 3 refuted. 0 times theorem prover too weak. 15475 trivial. 0 not checked. [2022-07-12 13:59:27,023 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-12 13:59:29,781 INFO L134 CoverageAnalysis]: Checked inductivity of 15900 backedges. 0 proven. 375 refuted. 0 times theorem prover too weak. 15525 trivial. 0 not checked. [2022-07-12 13:59:29,781 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 13:59:29,781 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2103288494] [2022-07-12 13:59:29,781 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2103288494] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-12 13:59:29,782 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-07-12 13:59:29,782 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 13 [2022-07-12 13:59:29,782 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1620113361] [2022-07-12 13:59:29,782 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-07-12 13:59:29,783 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-07-12 13:59:29,783 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 13:59:29,783 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-07-12 13:59:29,784 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2022-07-12 13:59:29,784 INFO L87 Difference]: Start difference. First operand 12352 states and 18478 transitions. Second operand has 13 states, 11 states have (on average 12.272727272727273) internal successors, (135), 13 states have internal predecessors, (135), 4 states have call successors, (99), 2 states have call predecessors, (99), 5 states have return successors, (99), 4 states have call predecessors, (99), 4 states have call successors, (99) [2022-07-12 13:59:36,645 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 13:59:36,645 INFO L93 Difference]: Finished difference Result 24642 states and 37249 transitions. [2022-07-12 13:59:36,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-07-12 13:59:36,646 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 11 states have (on average 12.272727272727273) internal successors, (135), 13 states have internal predecessors, (135), 4 states have call successors, (99), 2 states have call predecessors, (99), 5 states have return successors, (99), 4 states have call predecessors, (99), 4 states have call successors, (99) Word has length 993 [2022-07-12 13:59:36,647 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 13:59:36,871 INFO L225 Difference]: With dead ends: 24642 [2022-07-12 13:59:36,872 INFO L226 Difference]: Without dead ends: 12369 [2022-07-12 13:59:36,910 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1989 GetRequests, 1973 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=69, Invalid=237, Unknown=0, NotChecked=0, Total=306 [2022-07-12 13:59:36,910 INFO L413 NwaCegarLoop]: 9332 mSDtfsCounter, 22 mSDsluCounter, 55798 mSDsCounter, 0 mSdLazyCounter, 566 mSolverCounterSat, 133 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 65130 SdHoareTripleChecker+Invalid, 699 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 133 IncrementalHoareTripleChecker+Valid, 566 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.7s IncrementalHoareTripleChecker+Time [2022-07-12 13:59:36,911 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [24 Valid, 65130 Invalid, 699 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [133 Valid, 566 Invalid, 0 Unknown, 0 Unchecked, 5.7s Time] [2022-07-12 13:59:36,923 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12369 states. [2022-07-12 13:59:37,200 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12369 to 12365. [2022-07-12 13:59:37,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12365 states, 8736 states have (on average 1.3915979853479854) internal successors, (12157), 8886 states have internal predecessors, (12157), 3164 states have call successors, (3164), 463 states have call predecessors, (3164), 464 states have return successors, (3177), 3133 states have call predecessors, (3177), 3161 states have call successors, (3177) [2022-07-12 13:59:37,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12365 states to 12365 states and 18498 transitions. [2022-07-12 13:59:37,257 INFO L78 Accepts]: Start accepts. Automaton has 12365 states and 18498 transitions. Word has length 993 [2022-07-12 13:59:37,257 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 13:59:37,258 INFO L495 AbstractCegarLoop]: Abstraction has 12365 states and 18498 transitions. [2022-07-12 13:59:37,258 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 11 states have (on average 12.272727272727273) internal successors, (135), 13 states have internal predecessors, (135), 4 states have call successors, (99), 2 states have call predecessors, (99), 5 states have return successors, (99), 4 states have call predecessors, (99), 4 states have call successors, (99) [2022-07-12 13:59:37,258 INFO L276 IsEmpty]: Start isEmpty. Operand 12365 states and 18498 transitions. [2022-07-12 13:59:37,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1017 [2022-07-12 13:59:37,265 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 13:59:37,266 INFO L195 NwaCegarLoop]: trace histogram [74, 39, 39, 39, 39, 39, 39, 39, 39, 39, 39, 39, 39, 39, 26, 26, 26, 26, 26, 26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:59:37,362 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 13:59:37,483 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 13:59:37,484 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 13:59:37,484 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 13:59:37,485 INFO L85 PathProgramCache]: Analyzing trace with hash 1916013176, now seen corresponding path program 2 times [2022-07-12 13:59:37,489 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 13:59:37,489 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1470130639] [2022-07-12 13:59:37,489 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-07-12 13:59:37,489 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 13:59:37,489 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 13:59:37,490 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 13:59:37,495 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process