./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-08_1a-drivers--scsi--be2iscsi--be2iscsi.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version eb692b52 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-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 ab455f91dc092335ea79bdd0ee44b9b2e1d74bc0f53cecbb1f8554aae67c2cdd --- Real Ultimate output --- This is Ultimate 0.2.2-?-eb692b5 [2022-07-20 00:28:28,890 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-20 00:28:28,892 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-20 00:28:28,922 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-20 00:28:28,922 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-20 00:28:28,923 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-20 00:28:28,924 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-20 00:28:28,925 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-20 00:28:28,926 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-20 00:28:28,927 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-20 00:28:28,928 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-20 00:28:28,928 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-20 00:28:28,929 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-20 00:28:28,931 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-20 00:28:28,932 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-20 00:28:28,933 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-20 00:28:28,935 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-20 00:28:28,938 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-20 00:28:28,940 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-20 00:28:28,943 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-20 00:28:28,944 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-20 00:28:28,945 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-20 00:28:28,946 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-20 00:28:28,946 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-20 00:28:28,947 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-20 00:28:28,949 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-20 00:28:28,949 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-20 00:28:28,950 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-20 00:28:28,950 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-20 00:28:28,951 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-20 00:28:28,951 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-20 00:28:28,952 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-20 00:28:28,952 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-20 00:28:28,953 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-20 00:28:28,953 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-20 00:28:28,954 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-20 00:28:28,954 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-20 00:28:28,955 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-20 00:28:28,955 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-20 00:28:28,955 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-20 00:28:28,956 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-20 00:28:28,957 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-20 00:28:28,958 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-20 00:28:28,973 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-20 00:28:28,974 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-20 00:28:28,974 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-20 00:28:28,974 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-20 00:28:28,975 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-20 00:28:28,975 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-20 00:28:28,976 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-20 00:28:28,976 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-20 00:28:28,976 INFO L138 SettingsManager]: * Use SBE=true [2022-07-20 00:28:28,976 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-20 00:28:28,977 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-20 00:28:28,977 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-20 00:28:28,977 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-20 00:28:28,977 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-20 00:28:28,977 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-20 00:28:28,977 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-20 00:28:28,978 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-20 00:28:28,978 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-20 00:28:28,978 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-20 00:28:28,978 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-20 00:28:28,978 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-20 00:28:28,979 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-20 00:28:28,979 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-20 00:28:28,979 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-20 00:28:28,979 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-20 00:28:28,979 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-20 00:28:28,980 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-20 00:28:28,980 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-20 00:28:28,980 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-20 00:28:28,980 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-20 00:28:28,980 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ab455f91dc092335ea79bdd0ee44b9b2e1d74bc0f53cecbb1f8554aae67c2cdd [2022-07-20 00:28:29,173 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-20 00:28:29,190 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-20 00:28:29,193 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-20 00:28:29,195 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-20 00:28:29,195 INFO L275 PluginConnector]: CDTParser initialized [2022-07-20 00:28:29,196 INFO L432 ainManager$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-08_1a-drivers--scsi--be2iscsi--be2iscsi.ko-entry_point.cil.out.i [2022-07-20 00:28:29,261 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/71603395f/96d9a29e686447039cfc0a6f2638a4b6/FLAG2f40a8b5d [2022-07-20 00:28:30,142 INFO L306 CDTParser]: Found 1 translation units. [2022-07-20 00:28:30,143 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--scsi--be2iscsi--be2iscsi.ko-entry_point.cil.out.i [2022-07-20 00:28:30,206 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/71603395f/96d9a29e686447039cfc0a6f2638a4b6/FLAG2f40a8b5d [2022-07-20 00:28:30,228 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/71603395f/96d9a29e686447039cfc0a6f2638a4b6 [2022-07-20 00:28:30,230 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-20 00:28:30,231 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-20 00:28:30,233 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-20 00:28:30,233 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-20 00:28:30,235 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-20 00:28:30,236 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 12:28:30" (1/1) ... [2022-07-20 00:28:30,237 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c90f11f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:28:30, skipping insertion in model container [2022-07-20 00:28:30,237 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 12:28:30" (1/1) ... [2022-07-20 00:28:30,242 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-20 00:28:30,425 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-20 00:28:38,249 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-08_1a-drivers--scsi--be2iscsi--be2iscsi.ko-entry_point.cil.out.i[757585,757598] [2022-07-20 00:28:38,416 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-20 00:28:38,442 INFO L203 MainTranslator]: Completed pre-run [2022-07-20 00:28:39,041 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 [20505] 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) [2022-07-20 00:28:39,046 INFO L158 Benchmark]: Toolchain (without parser) took 8814.27ms. Allocated memory was 123.7MB in the beginning and 287.3MB in the end (delta: 163.6MB). Free memory was 81.4MB in the beginning and 88.4MB in the end (delta: -7.0MB). Peak memory consumption was 163.4MB. Max. memory is 16.1GB. [2022-07-20 00:28:39,047 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 75.5MB. Free memory is still 32.7MB. There was no memory consumed. Max. memory is 16.1GB. [2022-07-20 00:28:39,047 INFO L158 Benchmark]: CACSL2BoogieTranslator took 8811.82ms. Allocated memory was 123.7MB in the beginning and 287.3MB in the end (delta: 163.6MB). Free memory was 81.4MB in the beginning and 88.4MB in the end (delta: -7.0MB). Peak memory consumption was 163.4MB. Max. memory is 16.1GB. [2022-07-20 00:28:39,048 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 75.5MB. Free memory is still 32.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 8811.82ms. Allocated memory was 123.7MB in the beginning and 287.3MB in the end (delta: 163.6MB). Free memory was 81.4MB in the beginning and 88.4MB in the end (delta: -7.0MB). Peak memory consumption was 163.4MB. 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 [20505] de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: TypeCheckException: Type check failed for C: ue_lo = ~ ue_mask_lo & ue_lo [20505]: 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-08_1a-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 ab455f91dc092335ea79bdd0ee44b9b2e1d74bc0f53cecbb1f8554aae67c2cdd --- Real Ultimate output --- This is Ultimate 0.2.2-?-eb692b5 [2022-07-20 00:28:40,998 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-20 00:28:41,001 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-20 00:28:41,041 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-20 00:28:41,042 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-20 00:28:41,043 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-20 00:28:41,048 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-20 00:28:41,050 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-20 00:28:41,052 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-20 00:28:41,057 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-20 00:28:41,058 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-20 00:28:41,061 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-20 00:28:41,061 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-20 00:28:41,063 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-20 00:28:41,065 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-20 00:28:41,071 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-20 00:28:41,072 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-20 00:28:41,074 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-20 00:28:41,076 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-20 00:28:41,080 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-20 00:28:41,082 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-20 00:28:41,082 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-20 00:28:41,084 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-20 00:28:41,085 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-20 00:28:41,086 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-20 00:28:41,099 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-20 00:28:41,099 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-20 00:28:41,100 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-20 00:28:41,100 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-20 00:28:41,101 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-20 00:28:41,101 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-20 00:28:41,102 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-20 00:28:41,103 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-20 00:28:41,103 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-20 00:28:41,104 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-20 00:28:41,105 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-20 00:28:41,105 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-20 00:28:41,106 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-20 00:28:41,106 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-20 00:28:41,106 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-20 00:28:41,107 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-20 00:28:41,108 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-20 00:28:41,116 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-07-20 00:28:41,139 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-20 00:28:41,140 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-20 00:28:41,140 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-20 00:28:41,141 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-20 00:28:41,141 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-20 00:28:41,141 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-20 00:28:41,142 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-20 00:28:41,142 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-20 00:28:41,142 INFO L138 SettingsManager]: * Use SBE=true [2022-07-20 00:28:41,143 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-20 00:28:41,143 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-20 00:28:41,144 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-20 00:28:41,144 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-20 00:28:41,144 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-20 00:28:41,144 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-07-20 00:28:41,144 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-07-20 00:28:41,144 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-07-20 00:28:41,144 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-20 00:28:41,145 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-20 00:28:41,145 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-20 00:28:41,145 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-20 00:28:41,145 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-20 00:28:41,145 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-20 00:28:41,145 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-20 00:28:41,146 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-20 00:28:41,146 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-20 00:28:41,146 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-20 00:28:41,146 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-07-20 00:28:41,146 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-07-20 00:28:41,146 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-20 00:28:41,147 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-20 00:28:41,147 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-20 00:28:41,147 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-07-20 00:28:41,147 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ab455f91dc092335ea79bdd0ee44b9b2e1d74bc0f53cecbb1f8554aae67c2cdd [2022-07-20 00:28:41,420 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-20 00:28:41,454 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-20 00:28:41,456 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-20 00:28:41,457 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-20 00:28:41,458 INFO L275 PluginConnector]: CDTParser initialized [2022-07-20 00:28:41,459 INFO L432 ainManager$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-08_1a-drivers--scsi--be2iscsi--be2iscsi.ko-entry_point.cil.out.i [2022-07-20 00:28:41,505 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3172ab974/6a07ffad8e8648a9ba3e96f3d4a2788f/FLAGf33b31fe8 [2022-07-20 00:28:42,348 INFO L306 CDTParser]: Found 1 translation units. [2022-07-20 00:28:42,349 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--scsi--be2iscsi--be2iscsi.ko-entry_point.cil.out.i [2022-07-20 00:28:42,429 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3172ab974/6a07ffad8e8648a9ba3e96f3d4a2788f/FLAGf33b31fe8 [2022-07-20 00:28:42,746 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3172ab974/6a07ffad8e8648a9ba3e96f3d4a2788f [2022-07-20 00:28:42,749 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-20 00:28:42,751 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-20 00:28:42,754 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-20 00:28:42,754 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-20 00:28:42,758 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-20 00:28:42,759 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 12:28:42" (1/1) ... [2022-07-20 00:28:42,760 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@40284f9d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:28:42, skipping insertion in model container [2022-07-20 00:28:42,761 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 12:28:42" (1/1) ... [2022-07-20 00:28:42,766 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-20 00:28:43,009 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-20 00:28:50,563 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-08_1a-drivers--scsi--be2iscsi--be2iscsi.ko-entry_point.cil.out.i[757585,757598] [2022-07-20 00:28:50,711 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-20 00:28:50,739 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-07-20 00:28:50,914 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-20 00:28:51,503 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-08_1a-drivers--scsi--be2iscsi--be2iscsi.ko-entry_point.cil.out.i[757585,757598] [2022-07-20 00:28:51,510 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-20 00:28:51,538 INFO L203 MainTranslator]: Completed pre-run [2022-07-20 00:28:52,281 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-08_1a-drivers--scsi--be2iscsi--be2iscsi.ko-entry_point.cil.out.i[757585,757598] [2022-07-20 00:28:52,295 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-20 00:28:52,664 INFO L208 MainTranslator]: Completed translation [2022-07-20 00:28:52,665 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:28:52 WrapperNode [2022-07-20 00:28:52,665 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-20 00:28:52,666 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-20 00:28:52,666 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-20 00:28:52,666 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-20 00:28:52,670 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:28:52" (1/1) ... [2022-07-20 00:28:52,850 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:28:52" (1/1) ... [2022-07-20 00:28:53,225 INFO L137 Inliner]: procedures = 609, calls = 8996, calls flagged for inlining = 267, calls inlined = 259, statements flattened = 20280 [2022-07-20 00:28:53,226 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-20 00:28:53,226 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-20 00:28:53,226 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-20 00:28:53,226 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-20 00:28:53,234 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:28:52" (1/1) ... [2022-07-20 00:28:53,234 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:28:52" (1/1) ... [2022-07-20 00:28:53,320 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:28:52" (1/1) ... [2022-07-20 00:28:53,321 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:28:52" (1/1) ... [2022-07-20 00:28:53,508 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:28:52" (1/1) ... [2022-07-20 00:28:53,557 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:28:52" (1/1) ... [2022-07-20 00:28:53,799 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:28:52" (1/1) ... [2022-07-20 00:28:53,893 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-20 00:28:53,895 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-20 00:28:53,896 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-20 00:28:53,896 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-20 00:28:53,896 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:28:52" (1/1) ... [2022-07-20 00:28:53,901 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-20 00:28:53,908 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-20 00:28:53,938 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-07-20 00:28:53,978 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-07-20 00:28:53,993 INFO L130 BoogieDeclarations]: Found specification of procedure be_mcc_compl_use [2022-07-20 00:28:53,993 INFO L138 BoogieDeclarations]: Found implementation of procedure be_mcc_compl_use [2022-07-20 00:28:53,994 INFO L130 BoogieDeclarations]: Found specification of procedure __iscsi_complete_pdu [2022-07-20 00:28:53,994 INFO L138 BoogieDeclarations]: Found implementation of procedure __iscsi_complete_pdu [2022-07-20 00:28:53,994 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-07-20 00:28:53,994 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-07-20 00:28:53,994 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-07-20 00:28:53,994 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-07-20 00:28:53,994 INFO L130 BoogieDeclarations]: Found specification of procedure free_io_sgl_handle [2022-07-20 00:28:53,994 INFO L138 BoogieDeclarations]: Found implementation of procedure free_io_sgl_handle [2022-07-20 00:28:53,995 INFO L130 BoogieDeclarations]: Found specification of procedure be_mbox_notify_wait [2022-07-20 00:28:53,995 INFO L138 BoogieDeclarations]: Found implementation of procedure be_mbox_notify_wait [2022-07-20 00:28:53,995 INFO L130 BoogieDeclarations]: Found specification of procedure variable_test_bit [2022-07-20 00:28:53,995 INFO L138 BoogieDeclarations]: Found implementation of procedure variable_test_bit [2022-07-20 00:28:53,995 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-20 00:28:53,995 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-20 00:28:53,995 INFO L130 BoogieDeclarations]: Found specification of procedure hwi_purge_eq [2022-07-20 00:28:53,995 INFO L138 BoogieDeclarations]: Found implementation of procedure hwi_purge_eq [2022-07-20 00:28:53,995 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap_nocache [2022-07-20 00:28:53,996 INFO L138 BoogieDeclarations]: Found implementation of procedure ioremap_nocache [2022-07-20 00:28:53,996 INFO L130 BoogieDeclarations]: Found specification of procedure amap_get [2022-07-20 00:28:53,996 INFO L138 BoogieDeclarations]: Found implementation of procedure amap_get [2022-07-20 00:28:53,996 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2022-07-20 00:28:53,996 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2022-07-20 00:28:53,997 INFO L130 BoogieDeclarations]: Found specification of procedure __might_sleep [2022-07-20 00:28:53,997 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_sleep [2022-07-20 00:28:53,997 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_mcc_tag [2022-07-20 00:28:53,997 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_mcc_tag [2022-07-20 00:28:53,997 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_6 [2022-07-20 00:28:53,997 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_6 [2022-07-20 00:28:53,997 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-07-20 00:28:53,998 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-07-20 00:28:53,998 INFO L130 BoogieDeclarations]: Found specification of procedure be_mcc_compl_is_new [2022-07-20 00:28:53,998 INFO L138 BoogieDeclarations]: Found implementation of procedure be_mcc_compl_is_new [2022-07-20 00:28:53,998 INFO L130 BoogieDeclarations]: Found specification of procedure mgmt_exec_nonemb_cmd [2022-07-20 00:28:53,998 INFO L138 BoogieDeclarations]: Found implementation of procedure mgmt_exec_nonemb_cmd [2022-07-20 00:28:53,998 INFO L130 BoogieDeclarations]: Found specification of procedure fls [2022-07-20 00:28:53,998 INFO L138 BoogieDeclarations]: Found implementation of procedure fls [2022-07-20 00:28:53,998 INFO L130 BoogieDeclarations]: Found specification of procedure beiscsi_ue_detect [2022-07-20 00:28:53,999 INFO L138 BoogieDeclarations]: Found implementation of procedure beiscsi_ue_detect [2022-07-20 00:28:53,999 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2022-07-20 00:28:53,999 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2022-07-20 00:28:53,999 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-07-20 00:28:53,999 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-07-20 00:28:53,999 INFO L130 BoogieDeclarations]: Found specification of procedure iscsi_session_get_param [2022-07-20 00:28:53,999 INFO L138 BoogieDeclarations]: Found implementation of procedure iscsi_session_get_param [2022-07-20 00:28:54,000 INFO L130 BoogieDeclarations]: Found specification of procedure beiscsi_session_create [2022-07-20 00:28:54,000 INFO L138 BoogieDeclarations]: Found implementation of procedure beiscsi_session_create [2022-07-20 00:28:54,000 INFO L130 BoogieDeclarations]: Found specification of procedure swap_dws [2022-07-20 00:28:54,000 INFO L138 BoogieDeclarations]: Found implementation of procedure swap_dws [2022-07-20 00:28:54,001 INFO L130 BoogieDeclarations]: Found specification of procedure beiscsi_process_all_cqs [2022-07-20 00:28:54,001 INFO L138 BoogieDeclarations]: Found implementation of procedure beiscsi_process_all_cqs [2022-07-20 00:28:54,001 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-07-20 00:28:54,001 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-07-20 00:28:54,002 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2022-07-20 00:28:54,002 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2022-07-20 00:28:54,002 INFO L130 BoogieDeclarations]: Found specification of procedure be_cmd_page_addrs_prepare [2022-07-20 00:28:54,002 INFO L138 BoogieDeclarations]: Found implementation of procedure be_cmd_page_addrs_prepare [2022-07-20 00:28:54,002 INFO L130 BoogieDeclarations]: Found specification of procedure free_mcc_tag [2022-07-20 00:28:54,002 INFO L138 BoogieDeclarations]: Found implementation of procedure free_mcc_tag [2022-07-20 00:28:54,002 INFO L130 BoogieDeclarations]: Found specification of procedure hwi_enable_intr [2022-07-20 00:28:54,002 INFO L138 BoogieDeclarations]: Found implementation of procedure hwi_enable_intr [2022-07-20 00:28:54,003 INFO L130 BoogieDeclarations]: Found specification of procedure beiscsi_session_destroy [2022-07-20 00:28:54,003 INFO L138 BoogieDeclarations]: Found implementation of procedure beiscsi_session_destroy [2022-07-20 00:28:54,003 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-07-20 00:28:54,003 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-07-20 00:28:54,003 INFO L130 BoogieDeclarations]: Found specification of procedure beiscsi_cmd_reset_function [2022-07-20 00:28:54,003 INFO L138 BoogieDeclarations]: Found implementation of procedure beiscsi_cmd_reset_function [2022-07-20 00:28:54,003 INFO L130 BoogieDeclarations]: Found specification of procedure beiscsi_free_mem [2022-07-20 00:28:54,003 INFO L138 BoogieDeclarations]: Found implementation of procedure beiscsi_free_mem [2022-07-20 00:28:54,003 INFO L130 BoogieDeclarations]: Found specification of procedure iscsi_conn_get_param [2022-07-20 00:28:54,004 INFO L138 BoogieDeclarations]: Found implementation of procedure iscsi_conn_get_param [2022-07-20 00:28:54,004 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-20 00:28:54,004 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2022-07-20 00:28:54,004 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2022-07-20 00:28:54,004 INFO L130 BoogieDeclarations]: Found specification of procedure nla_find [2022-07-20 00:28:54,004 INFO L138 BoogieDeclarations]: Found implementation of procedure nla_find [2022-07-20 00:28:54,004 INFO L130 BoogieDeclarations]: Found specification of procedure hwi_get_async_busy_list [2022-07-20 00:28:54,004 INFO L138 BoogieDeclarations]: Found implementation of procedure hwi_get_async_busy_list [2022-07-20 00:28:54,004 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2022-07-20 00:28:54,005 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-07-20 00:28:54,005 INFO L130 BoogieDeclarations]: Found specification of procedure iscsi_session_teardown [2022-07-20 00:28:54,005 INFO L138 BoogieDeclarations]: Found implementation of procedure iscsi_session_teardown [2022-07-20 00:28:54,005 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-07-20 00:28:54,005 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2022-07-20 00:28:54,006 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2022-07-20 00:28:54,006 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2022-07-20 00:28:54,006 INFO L130 BoogieDeclarations]: Found specification of procedure iscsi_conn_stop [2022-07-20 00:28:54,006 INFO L138 BoogieDeclarations]: Found implementation of procedure iscsi_conn_stop [2022-07-20 00:28:54,006 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-07-20 00:28:54,006 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-07-20 00:28:54,007 INFO L130 BoogieDeclarations]: Found specification of procedure beiscsi_init_irqs [2022-07-20 00:28:54,007 INFO L138 BoogieDeclarations]: Found implementation of procedure beiscsi_init_irqs [2022-07-20 00:28:54,007 INFO L130 BoogieDeclarations]: Found specification of procedure __rounddown_pow_of_two [2022-07-20 00:28:54,008 INFO L138 BoogieDeclarations]: Found implementation of procedure __rounddown_pow_of_two [2022-07-20 00:28:54,008 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-07-20 00:28:54,008 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-07-20 00:28:54,008 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2022-07-20 00:28:54,008 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2022-07-20 00:28:54,008 INFO L130 BoogieDeclarations]: Found specification of procedure beiscsi_cleanup_task [2022-07-20 00:28:54,008 INFO L138 BoogieDeclarations]: Found implementation of procedure beiscsi_cleanup_task [2022-07-20 00:28:54,008 INFO L130 BoogieDeclarations]: Found specification of procedure iscsi_conn_send_pdu [2022-07-20 00:28:54,008 INFO L138 BoogieDeclarations]: Found implementation of procedure iscsi_conn_send_pdu [2022-07-20 00:28:54,008 INFO L130 BoogieDeclarations]: Found specification of procedure beiscsi_eeh_err_detected [2022-07-20 00:28:54,009 INFO L138 BoogieDeclarations]: Found implementation of procedure beiscsi_eeh_err_detected [2022-07-20 00:28:54,009 INFO L130 BoogieDeclarations]: Found specification of procedure be_queue_free [2022-07-20 00:28:54,009 INFO L138 BoogieDeclarations]: Found implementation of procedure be_queue_free [2022-07-20 00:28:54,009 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_consistent_dma_mask [2022-07-20 00:28:54,009 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_consistent_dma_mask [2022-07-20 00:28:54,009 INFO L130 BoogieDeclarations]: Found specification of procedure beiscsi_process_cq [2022-07-20 00:28:54,010 INFO L138 BoogieDeclarations]: Found implementation of procedure beiscsi_process_cq [2022-07-20 00:28:54,010 INFO L130 BoogieDeclarations]: Found specification of procedure pci_save_state [2022-07-20 00:28:54,012 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_save_state [2022-07-20 00:28:54,012 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-07-20 00:28:54,012 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-07-20 00:28:54,012 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-07-20 00:28:54,012 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-07-20 00:28:54,014 INFO L130 BoogieDeclarations]: Found specification of procedure index_inc [2022-07-20 00:28:54,014 INFO L138 BoogieDeclarations]: Found implementation of procedure index_inc [2022-07-20 00:28:54,014 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_mgmt_sgl_handle [2022-07-20 00:28:54,014 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_mgmt_sgl_handle [2022-07-20 00:28:54,018 INFO L130 BoogieDeclarations]: Found specification of procedure be_wrb_hdr_prepare [2022-07-20 00:28:54,018 INFO L138 BoogieDeclarations]: Found implementation of procedure be_wrb_hdr_prepare [2022-07-20 00:28:54,018 INFO L130 BoogieDeclarations]: Found specification of procedure pci_zalloc_consistent [2022-07-20 00:28:54,018 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_zalloc_consistent [2022-07-20 00:28:54,019 INFO L130 BoogieDeclarations]: Found specification of procedure blk_iopoll_init [2022-07-20 00:28:54,019 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_iopoll_init [2022-07-20 00:28:54,019 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-07-20 00:28:54,019 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-07-20 00:28:54,019 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-20 00:28:54,019 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-20 00:28:54,019 INFO L130 BoogieDeclarations]: Found specification of procedure beiscsi_hw_health_check [2022-07-20 00:28:54,019 INFO L138 BoogieDeclarations]: Found implementation of procedure beiscsi_hw_health_check [2022-07-20 00:28:54,019 INFO L130 BoogieDeclarations]: Found specification of procedure reg_check_2 [2022-07-20 00:28:54,019 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_check_2 [2022-07-20 00:28:54,020 INFO L130 BoogieDeclarations]: Found specification of procedure wrb_from_mccq [2022-07-20 00:28:54,020 INFO L138 BoogieDeclarations]: Found implementation of procedure wrb_from_mccq [2022-07-20 00:28:54,020 INFO L130 BoogieDeclarations]: Found specification of procedure beiscsi_set_static_ip [2022-07-20 00:28:54,020 INFO L138 BoogieDeclarations]: Found implementation of procedure beiscsi_set_static_ip [2022-07-20 00:28:54,020 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_dma_mask [2022-07-20 00:28:54,020 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_dma_mask [2022-07-20 00:28:54,020 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait_event [2022-07-20 00:28:54,020 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait_event [2022-07-20 00:28:54,020 INFO L130 BoogieDeclarations]: Found specification of procedure be_sgl_destroy_contiguous [2022-07-20 00:28:54,020 INFO L138 BoogieDeclarations]: Found implementation of procedure be_sgl_destroy_contiguous [2022-07-20 00:28:54,021 INFO L130 BoogieDeclarations]: Found specification of procedure be2iscsi_iface_get_param [2022-07-20 00:28:54,021 INFO L138 BoogieDeclarations]: Found implementation of procedure be2iscsi_iface_get_param [2022-07-20 00:28:54,021 INFO L130 BoogieDeclarations]: Found specification of procedure amap_set [2022-07-20 00:28:54,021 INFO L138 BoogieDeclarations]: Found implementation of procedure amap_set [2022-07-20 00:28:54,021 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2022-07-20 00:28:54,022 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2022-07-20 00:28:54,022 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2022-07-20 00:28:54,022 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2022-07-20 00:28:54,022 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-07-20 00:28:54,022 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-07-20 00:28:54,022 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_host_get [2022-07-20 00:28:54,022 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_host_get [2022-07-20 00:28:54,022 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_is_host_device [2022-07-20 00:28:54,022 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_is_host_device [2022-07-20 00:28:54,022 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_drvdata [2022-07-20 00:28:54,022 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_drvdata [2022-07-20 00:28:54,023 INFO L130 BoogieDeclarations]: Found specification of procedure beiscsi_free_ep [2022-07-20 00:28:54,023 INFO L138 BoogieDeclarations]: Found implementation of procedure beiscsi_free_ep [2022-07-20 00:28:54,023 INFO L130 BoogieDeclarations]: Found specification of procedure be_mcc_compl_process [2022-07-20 00:28:54,023 INFO L138 BoogieDeclarations]: Found implementation of procedure be_mcc_compl_process [2022-07-20 00:28:54,023 INFO L130 BoogieDeclarations]: Found specification of procedure beiscsi_parse_pdu [2022-07-20 00:28:54,023 INFO L138 BoogieDeclarations]: Found implementation of procedure beiscsi_parse_pdu [2022-07-20 00:28:54,023 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_target [2022-07-20 00:28:54,023 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_target [2022-07-20 00:28:54,023 INFO L130 BoogieDeclarations]: Found specification of procedure beiscsi_mccq_compl [2022-07-20 00:28:54,023 INFO L138 BoogieDeclarations]: Found implementation of procedure beiscsi_mccq_compl [2022-07-20 00:28:54,024 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2022-07-20 00:28:54,024 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2022-07-20 00:28:54,024 INFO L130 BoogieDeclarations]: Found specification of procedure beiscsi_unmap_pci_function [2022-07-20 00:28:54,024 INFO L138 BoogieDeclarations]: Found implementation of procedure beiscsi_unmap_pci_function [2022-07-20 00:28:54,024 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-20 00:28:54,024 INFO L130 BoogieDeclarations]: Found specification of procedure embedded_payload [2022-07-20 00:28:54,024 INFO L138 BoogieDeclarations]: Found implementation of procedure embedded_payload [2022-07-20 00:28:54,024 INFO L130 BoogieDeclarations]: Found specification of procedure hwi_build_be_sgl_arr [2022-07-20 00:28:54,024 INFO L138 BoogieDeclarations]: Found implementation of procedure hwi_build_be_sgl_arr [2022-07-20 00:28:54,024 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2022-07-20 00:28:54,025 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2022-07-20 00:28:54,025 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-20 00:28:54,025 INFO L130 BoogieDeclarations]: Found specification of procedure beiscsi_task_xmit [2022-07-20 00:28:54,025 INFO L138 BoogieDeclarations]: Found implementation of procedure beiscsi_task_xmit [2022-07-20 00:28:54,025 INFO L130 BoogieDeclarations]: Found specification of procedure beiscsi_conn_start [2022-07-20 00:28:54,025 INFO L138 BoogieDeclarations]: Found implementation of procedure beiscsi_conn_start [2022-07-20 00:28:54,025 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-07-20 00:28:54,025 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-07-20 00:28:54,025 INFO L130 BoogieDeclarations]: Found specification of procedure fls_long [2022-07-20 00:28:54,025 INFO L138 BoogieDeclarations]: Found implementation of procedure fls_long [2022-07-20 00:28:54,025 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-20 00:28:54,026 INFO L130 BoogieDeclarations]: Found specification of procedure nonembedded_sgl [2022-07-20 00:28:54,026 INFO L138 BoogieDeclarations]: Found implementation of procedure nonembedded_sgl [2022-07-20 00:28:54,026 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_dword [2022-07-20 00:28:54,026 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_dword [2022-07-20 00:28:54,026 INFO L130 BoogieDeclarations]: Found specification of procedure queue_tail_inc [2022-07-20 00:28:54,026 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_tail_inc [2022-07-20 00:28:54,026 INFO L130 BoogieDeclarations]: Found specification of procedure mgmt_modify_gateway [2022-07-20 00:28:54,026 INFO L138 BoogieDeclarations]: Found implementation of procedure mgmt_modify_gateway [2022-07-20 00:28:54,026 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2022-07-20 00:28:54,026 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2022-07-20 00:28:54,027 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2022-07-20 00:28:54,027 INFO L130 BoogieDeclarations]: Found specification of procedure beiscsi_get_macaddr [2022-07-20 00:28:54,027 INFO L138 BoogieDeclarations]: Found implementation of procedure beiscsi_get_macaddr [2022-07-20 00:28:54,027 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_host_put [2022-07-20 00:28:54,027 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_host_put [2022-07-20 00:28:54,027 INFO L130 BoogieDeclarations]: Found specification of procedure beiscsi_conn_get_stats [2022-07-20 00:28:54,027 INFO L138 BoogieDeclarations]: Found implementation of procedure beiscsi_conn_get_stats [2022-07-20 00:28:54,027 INFO L130 BoogieDeclarations]: Found specification of procedure be_sgl_create_contiguous [2022-07-20 00:28:54,027 INFO L138 BoogieDeclarations]: Found implementation of procedure be_sgl_create_contiguous [2022-07-20 00:28:54,027 INFO L130 BoogieDeclarations]: Found specification of procedure mgmt_get_all_if_id [2022-07-20 00:28:54,027 INFO L138 BoogieDeclarations]: Found implementation of procedure mgmt_get_all_if_id [2022-07-20 00:28:54,028 INFO L130 BoogieDeclarations]: Found specification of procedure beiscsi_clean_port [2022-07-20 00:28:54,028 INFO L138 BoogieDeclarations]: Found implementation of procedure beiscsi_clean_port [2022-07-20 00:28:54,028 INFO L130 BoogieDeclarations]: Found specification of procedure beiscsi_cmd_cq_create [2022-07-20 00:28:54,028 INFO L138 BoogieDeclarations]: Found implementation of procedure beiscsi_cmd_cq_create [2022-07-20 00:28:54,028 INFO L130 BoogieDeclarations]: Found specification of procedure be_chk_reset_complete [2022-07-20 00:28:54,028 INFO L138 BoogieDeclarations]: Found implementation of procedure be_chk_reset_complete [2022-07-20 00:28:54,028 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2022-07-20 00:28:54,028 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2022-07-20 00:28:54,028 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-07-20 00:28:54,028 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-07-20 00:28:54,029 INFO L130 BoogieDeclarations]: Found specification of procedure iscsi_boot_destroy_kset [2022-07-20 00:28:54,029 INFO L138 BoogieDeclarations]: Found implementation of procedure iscsi_boot_destroy_kset [2022-07-20 00:28:54,029 INFO L130 BoogieDeclarations]: Found specification of procedure free_mgmt_sgl_handle [2022-07-20 00:28:54,029 INFO L138 BoogieDeclarations]: Found implementation of procedure free_mgmt_sgl_handle [2022-07-20 00:28:54,029 INFO L130 BoogieDeclarations]: Found specification of procedure be_mbox_notify [2022-07-20 00:28:54,029 INFO L138 BoogieDeclarations]: Found implementation of procedure be_mbox_notify [2022-07-20 00:28:54,029 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_delayed_work [2022-07-20 00:28:54,029 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_delayed_work [2022-07-20 00:28:54,029 INFO L130 BoogieDeclarations]: Found specification of procedure mgmt_alloc_cmd_data [2022-07-20 00:28:54,029 INFO L138 BoogieDeclarations]: Found implementation of procedure mgmt_alloc_cmd_data [2022-07-20 00:28:54,029 INFO L130 BoogieDeclarations]: Found specification of procedure be2iscsi_attr_is_visible [2022-07-20 00:28:54,030 INFO L138 BoogieDeclarations]: Found implementation of procedure be2iscsi_attr_is_visible [2022-07-20 00:28:54,030 INFO L130 BoogieDeclarations]: Found specification of procedure beiscsi_bsg_request [2022-07-20 00:28:54,030 INFO L138 BoogieDeclarations]: Found implementation of procedure beiscsi_bsg_request [2022-07-20 00:28:54,030 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2022-07-20 00:28:54,031 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2022-07-20 00:28:54,033 INFO L130 BoogieDeclarations]: Found specification of procedure be_queue_alloc [2022-07-20 00:28:54,033 INFO L138 BoogieDeclarations]: Found implementation of procedure be_queue_alloc [2022-07-20 00:28:54,034 INFO L130 BoogieDeclarations]: Found specification of procedure shost_priv [2022-07-20 00:28:54,034 INFO L138 BoogieDeclarations]: Found implementation of procedure shost_priv [2022-07-20 00:28:54,034 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout [2022-07-20 00:28:54,034 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout [2022-07-20 00:28:54,034 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2022-07-20 00:28:54,034 INFO L130 BoogieDeclarations]: Found specification of procedure iscsi_create_iface [2022-07-20 00:28:54,034 INFO L138 BoogieDeclarations]: Found implementation of procedure iscsi_create_iface [2022-07-20 00:28:54,035 INFO L130 BoogieDeclarations]: Found specification of procedure queue_tail_node [2022-07-20 00:28:54,035 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_tail_node [2022-07-20 00:28:54,035 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2022-07-20 00:28:54,035 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2022-07-20 00:28:54,036 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-20 00:28:54,036 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-20 00:28:54,036 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2022-07-20 00:28:54,036 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2022-07-20 00:28:54,036 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2022-07-20 00:28:54,036 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2022-07-20 00:28:54,036 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-07-20 00:28:54,036 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-07-20 00:28:54,036 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-07-20 00:28:54,036 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-07-20 00:28:54,036 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-07-20 00:28:54,037 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-20 00:28:54,037 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-07-20 00:28:54,037 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-20 00:28:54,037 INFO L130 BoogieDeclarations]: Found specification of procedure beiscsi_get_host_param [2022-07-20 00:28:54,037 INFO L138 BoogieDeclarations]: Found implementation of procedure beiscsi_get_host_param [2022-07-20 00:28:54,037 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-20 00:28:54,037 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-20 00:28:54,037 INFO L130 BoogieDeclarations]: Found specification of procedure hwi_init_controller [2022-07-20 00:28:54,037 INFO L138 BoogieDeclarations]: Found implementation of procedure hwi_init_controller [2022-07-20 00:28:54,037 INFO L130 BoogieDeclarations]: Found specification of procedure hwi_cleanup [2022-07-20 00:28:54,037 INFO L138 BoogieDeclarations]: Found implementation of procedure hwi_cleanup [2022-07-20 00:28:54,038 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2022-07-20 00:28:54,038 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2022-07-20 00:28:54,038 INFO L130 BoogieDeclarations]: Found specification of procedure is_link_state_evt [2022-07-20 00:28:54,038 INFO L138 BoogieDeclarations]: Found implementation of procedure is_link_state_evt [2022-07-20 00:28:54,038 INFO L130 BoogieDeclarations]: Found specification of procedure hwi_free_async_msg [2022-07-20 00:28:54,038 INFO L138 BoogieDeclarations]: Found implementation of procedure hwi_free_async_msg [2022-07-20 00:28:54,038 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_workqueue [2022-07-20 00:28:54,038 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_workqueue [2022-07-20 00:28:54,038 INFO L130 BoogieDeclarations]: Found specification of procedure be_cmd_hdr_prepare [2022-07-20 00:28:54,038 INFO L138 BoogieDeclarations]: Found implementation of procedure be_cmd_hdr_prepare [2022-07-20 00:28:54,038 INFO L130 BoogieDeclarations]: Found specification of procedure beiscsi_msix_enable [2022-07-20 00:28:54,039 INFO L138 BoogieDeclarations]: Found implementation of procedure beiscsi_msix_enable [2022-07-20 00:28:54,039 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_bufflen [2022-07-20 00:28:54,039 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_bufflen [2022-07-20 00:28:54,039 INFO L130 BoogieDeclarations]: Found specification of procedure mgmt_invalidate_icds [2022-07-20 00:28:54,039 INFO L138 BoogieDeclarations]: Found implementation of procedure mgmt_invalidate_icds [2022-07-20 00:28:54,039 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-07-20 00:28:54,039 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-07-20 00:28:54,039 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work_on [2022-07-20 00:28:54,039 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work_on [2022-07-20 00:28:54,039 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-07-20 00:28:54,040 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-07-20 00:28:54,040 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-20 00:28:54,040 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-20 00:28:54,040 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_irq_2 [2022-07-20 00:28:54,040 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_irq_2 [2022-07-20 00:28:54,040 INFO L130 BoogieDeclarations]: Found specification of procedure be2iscsi_iface_set_param [2022-07-20 00:28:54,040 INFO L138 BoogieDeclarations]: Found implementation of procedure be2iscsi_iface_set_param [2022-07-20 00:28:54,040 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-07-20 00:28:54,040 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-07-20 00:28:54,040 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_msix [2022-07-20 00:28:54,040 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_msix [2022-07-20 00:28:54,041 INFO L130 BoogieDeclarations]: Found specification of procedure mgmt_set_vlan [2022-07-20 00:28:54,041 INFO L138 BoogieDeclarations]: Found implementation of procedure mgmt_set_vlan [2022-07-20 00:28:54,041 INFO L130 BoogieDeclarations]: Found specification of procedure hwi_update_async_writables [2022-07-20 00:28:54,041 INFO L138 BoogieDeclarations]: Found implementation of procedure hwi_update_async_writables [2022-07-20 00:28:54,041 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2022-07-20 00:28:54,041 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2022-07-20 00:28:54,041 INFO L130 BoogieDeclarations]: Found specification of procedure beiscsi_alloc_pdu [2022-07-20 00:28:54,041 INFO L138 BoogieDeclarations]: Found implementation of procedure beiscsi_alloc_pdu [2022-07-20 00:28:54,041 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2022-07-20 00:28:54,041 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2022-07-20 00:28:54,041 INFO L130 BoogieDeclarations]: Found specification of procedure beiscsi_ep_connect [2022-07-20 00:28:54,042 INFO L138 BoogieDeclarations]: Found implementation of procedure beiscsi_ep_connect [2022-07-20 00:28:54,042 INFO L130 BoogieDeclarations]: Found specification of procedure iscsi_session_recovery_timedout [2022-07-20 00:28:54,042 INFO L138 BoogieDeclarations]: Found implementation of procedure iscsi_session_recovery_timedout [2022-07-20 00:28:54,042 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2022-07-20 00:28:54,042 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2022-07-20 00:28:54,042 INFO L130 BoogieDeclarations]: Found specification of procedure iscsi_unregister_transport [2022-07-20 00:28:54,042 INFO L138 BoogieDeclarations]: Found implementation of procedure iscsi_unregister_transport [2022-07-20 00:28:54,042 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-20 00:28:54,042 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-07-20 00:28:54,042 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-07-20 00:28:54,042 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2022-07-20 00:28:54,043 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2022-07-20 00:28:54,043 INFO L130 BoogieDeclarations]: Found specification of procedure beiscsi_quiesce [2022-07-20 00:28:54,043 INFO L138 BoogieDeclarations]: Found implementation of procedure beiscsi_quiesce [2022-07-20 00:28:54,043 INFO L130 BoogieDeclarations]: Found specification of procedure blk_iopoll_enable [2022-07-20 00:28:54,043 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_iopoll_enable [2022-07-20 00:28:54,043 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_work_6 [2022-07-20 00:28:54,043 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_work_6 [2022-07-20 00:28:54,043 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-20 00:28:54,043 INFO L130 BoogieDeclarations]: Found specification of procedure blk_iopoll_disable [2022-07-20 00:28:54,043 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_iopoll_disable [2022-07-20 00:28:54,043 INFO L130 BoogieDeclarations]: Found specification of procedure iscsi_host_for_each_session [2022-07-20 00:28:54,044 INFO L138 BoogieDeclarations]: Found implementation of procedure iscsi_host_for_each_session [2022-07-20 00:28:54,044 INFO L130 BoogieDeclarations]: Found specification of procedure mgmt_get_gateway [2022-07-20 00:28:54,044 INFO L138 BoogieDeclarations]: Found implementation of procedure mgmt_get_gateway [2022-07-20 00:28:54,044 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2022-07-20 00:28:54,044 INFO L130 BoogieDeclarations]: Found specification of procedure beiscsi_conn_create [2022-07-20 00:28:54,044 INFO L138 BoogieDeclarations]: Found implementation of procedure beiscsi_conn_create [2022-07-20 00:28:54,044 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-07-20 00:28:54,044 INFO L130 BoogieDeclarations]: Found specification of procedure mgmt_get_if_info [2022-07-20 00:28:54,044 INFO L138 BoogieDeclarations]: Found implementation of procedure mgmt_get_if_info [2022-07-20 00:28:54,044 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-07-20 00:28:54,044 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-07-20 00:28:54,045 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_wrb_handle [2022-07-20 00:28:54,045 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_wrb_handle [2022-07-20 00:28:54,045 INFO L130 BoogieDeclarations]: Found specification of procedure blk_iopoll_sched_prep [2022-07-20 00:28:54,045 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_iopoll_sched_prep [2022-07-20 00:28:54,045 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-20 00:28:54,045 INFO L130 BoogieDeclarations]: Found specification of procedure beiscsi_error [2022-07-20 00:28:54,045 INFO L138 BoogieDeclarations]: Found implementation of procedure beiscsi_error [2022-07-20 00:28:54,045 INFO L130 BoogieDeclarations]: Found specification of procedure be_fill_queue [2022-07-20 00:28:54,045 INFO L138 BoogieDeclarations]: Found implementation of procedure be_fill_queue [2022-07-20 00:28:54,045 INFO L130 BoogieDeclarations]: Found specification of procedure beiscsi_get_params [2022-07-20 00:28:54,046 INFO L138 BoogieDeclarations]: Found implementation of procedure beiscsi_get_params [2022-07-20 00:28:54,046 INFO L130 BoogieDeclarations]: Found specification of procedure be_mcc_notify [2022-07-20 00:28:54,046 INFO L138 BoogieDeclarations]: Found implementation of procedure be_mcc_notify [2022-07-20 00:28:54,046 INFO L130 BoogieDeclarations]: Found specification of procedure beiscsi_async_link_state_process [2022-07-20 00:28:54,046 INFO L138 BoogieDeclarations]: Found implementation of procedure beiscsi_async_link_state_process [2022-07-20 00:28:54,046 INFO L130 BoogieDeclarations]: Found specification of procedure nla_data [2022-07-20 00:28:54,046 INFO L138 BoogieDeclarations]: Found implementation of procedure nla_data [2022-07-20 00:28:54,046 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-07-20 00:28:54,046 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-07-20 00:28:54,046 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2022-07-20 00:28:54,046 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2022-07-20 00:28:54,047 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2022-07-20 00:28:54,047 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2022-07-20 00:28:54,047 INFO L130 BoogieDeclarations]: Found specification of procedure beiscsi_setup_boot_info [2022-07-20 00:28:54,047 INFO L138 BoogieDeclarations]: Found implementation of procedure beiscsi_setup_boot_info [2022-07-20 00:28:54,047 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2022-07-20 00:28:54,047 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2022-07-20 00:28:54,047 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2022-07-20 00:28:54,047 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2022-07-20 00:28:54,047 INFO L130 BoogieDeclarations]: Found specification of procedure mgmt_set_ip [2022-07-20 00:28:54,047 INFO L138 BoogieDeclarations]: Found implementation of procedure mgmt_set_ip [2022-07-20 00:28:54,047 INFO L130 BoogieDeclarations]: Found specification of procedure hwi_ring_cq_db [2022-07-20 00:28:54,048 INFO L138 BoogieDeclarations]: Found implementation of procedure hwi_ring_cq_db [2022-07-20 00:28:54,048 INFO L130 BoogieDeclarations]: Found specification of procedure hwi_write_buffer [2022-07-20 00:28:54,048 INFO L138 BoogieDeclarations]: Found implementation of procedure hwi_write_buffer [2022-07-20 00:28:54,048 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_dma_unmap [2022-07-20 00:28:54,048 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_dma_unmap [2022-07-20 00:28:54,048 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_format_mac [2022-07-20 00:28:54,048 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_format_mac [2022-07-20 00:28:54,048 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2022-07-20 00:28:54,048 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2022-07-20 00:28:54,048 INFO L130 BoogieDeclarations]: Found specification of procedure beiscsi_set_param [2022-07-20 00:28:54,048 INFO L138 BoogieDeclarations]: Found implementation of procedure beiscsi_set_param [2022-07-20 00:28:54,049 INFO L130 BoogieDeclarations]: Found specification of procedure hwi_get_async_handle [2022-07-20 00:28:54,049 INFO L138 BoogieDeclarations]: Found implementation of procedure hwi_get_async_handle [2022-07-20 00:28:54,049 INFO L130 BoogieDeclarations]: Found specification of procedure iscsi_destroy_iface [2022-07-20 00:28:54,049 INFO L138 BoogieDeclarations]: Found implementation of procedure iscsi_destroy_iface [2022-07-20 00:28:54,049 INFO L130 BoogieDeclarations]: Found specification of procedure free_wrb_handle [2022-07-20 00:28:54,049 INFO L138 BoogieDeclarations]: Found implementation of procedure free_wrb_handle [2022-07-20 00:28:54,049 INFO L130 BoogieDeclarations]: Found specification of procedure be_mbox_db_ready_wait [2022-07-20 00:28:54,049 INFO L138 BoogieDeclarations]: Found implementation of procedure be_mbox_db_ready_wait [2022-07-20 00:28:54,049 INFO L130 BoogieDeclarations]: Found specification of procedure synchronize_irq [2022-07-20 00:28:54,049 INFO L138 BoogieDeclarations]: Found implementation of procedure synchronize_irq [2022-07-20 00:28:54,049 INFO L130 BoogieDeclarations]: Found specification of procedure beiscsi_cmd_q_destroy [2022-07-20 00:28:54,050 INFO L138 BoogieDeclarations]: Found implementation of procedure beiscsi_cmd_q_destroy [2022-07-20 00:28:54,050 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-20 00:28:54,050 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-20 00:28:54,050 INFO L130 BoogieDeclarations]: Found specification of procedure hwi_post_async_buffers [2022-07-20 00:28:54,050 INFO L138 BoogieDeclarations]: Found implementation of procedure hwi_post_async_buffers [2022-07-20 00:28:54,050 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_irq_2 [2022-07-20 00:28:54,050 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_irq_2 [2022-07-20 00:28:54,050 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2022-07-20 00:28:54,050 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2022-07-20 00:28:54,050 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-07-20 00:28:54,051 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2022-07-20 00:28:54,051 INFO L130 BoogieDeclarations]: Found specification of procedure be_complete_nopin_resp [2022-07-20 00:28:54,051 INFO L138 BoogieDeclarations]: Found implementation of procedure be_complete_nopin_resp [2022-07-20 00:28:54,051 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-20 00:28:54,051 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-20 00:28:54,051 INFO L130 BoogieDeclarations]: Found specification of procedure find_num_cpus [2022-07-20 00:28:54,051 INFO L138 BoogieDeclarations]: Found implementation of procedure find_num_cpus [2022-07-20 00:28:54,051 INFO L130 BoogieDeclarations]: Found specification of procedure beiscsi_eeh_reset [2022-07-20 00:28:54,051 INFO L138 BoogieDeclarations]: Found implementation of procedure beiscsi_eeh_reset [2022-07-20 00:28:54,051 INFO L130 BoogieDeclarations]: Found specification of procedure beiscsi_ep_get_param [2022-07-20 00:28:54,051 INFO L138 BoogieDeclarations]: Found implementation of procedure beiscsi_ep_get_param [2022-07-20 00:28:54,052 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dev_put [2022-07-20 00:28:54,052 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dev_put [2022-07-20 00:28:54,052 INFO L130 BoogieDeclarations]: Found specification of procedure __ilog2_u32 [2022-07-20 00:28:54,052 INFO L138 BoogieDeclarations]: Found implementation of procedure __ilog2_u32 [2022-07-20 00:28:54,052 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2022-07-20 00:28:54,052 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2022-07-20 00:28:54,052 INFO L130 BoogieDeclarations]: Found specification of procedure hwi_ring_eq_db [2022-07-20 00:28:54,052 INFO L138 BoogieDeclarations]: Found implementation of procedure hwi_ring_eq_db [2022-07-20 00:28:54,052 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2022-07-20 00:28:54,052 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2022-07-20 00:28:54,053 INFO L130 BoogieDeclarations]: Found specification of procedure iscsi_host_free [2022-07-20 00:28:54,053 INFO L138 BoogieDeclarations]: Found implementation of procedure iscsi_host_free [2022-07-20 00:28:54,053 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2022-07-20 00:28:54,053 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2022-07-20 00:28:54,053 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_3 [2022-07-20 00:28:54,053 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_3 [2022-07-20 00:28:54,053 INFO L130 BoogieDeclarations]: Found specification of procedure beiscsi_create_ipv4_iface [2022-07-20 00:28:54,053 INFO L138 BoogieDeclarations]: Found implementation of procedure beiscsi_create_ipv4_iface [2022-07-20 00:28:54,053 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_2 [2022-07-20 00:28:54,053 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_2 [2022-07-20 00:28:54,053 INFO L130 BoogieDeclarations]: Found specification of procedure dev_to_shost [2022-07-20 00:28:54,054 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_to_shost [2022-07-20 00:28:54,054 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2022-07-20 00:28:54,054 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2022-07-20 00:28:54,054 INFO L130 BoogieDeclarations]: Found specification of procedure iscsi_destroy_endpoint [2022-07-20 00:28:54,054 INFO L138 BoogieDeclarations]: Found implementation of procedure iscsi_destroy_endpoint [2022-07-20 00:28:54,054 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_9 [2022-07-20 00:28:54,054 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_9 [2022-07-20 00:28:54,054 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_all_6 [2022-07-20 00:28:54,054 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_all_6 [2022-07-20 00:28:54,054 INFO L130 BoogieDeclarations]: Found specification of procedure iscsi_conn_teardown [2022-07-20 00:28:54,054 INFO L138 BoogieDeclarations]: Found implementation of procedure iscsi_conn_teardown [2022-07-20 00:28:54,055 INFO L130 BoogieDeclarations]: Found specification of procedure blk_iopoll_sched [2022-07-20 00:28:54,055 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_iopoll_sched [2022-07-20 00:28:54,055 INFO L130 BoogieDeclarations]: Found specification of procedure beiscsi_ep_poll [2022-07-20 00:28:54,055 INFO L138 BoogieDeclarations]: Found implementation of procedure beiscsi_ep_poll [2022-07-20 00:28:54,055 INFO L130 BoogieDeclarations]: Found specification of procedure beiscsi_conn_bind [2022-07-20 00:28:54,055 INFO L138 BoogieDeclarations]: Found implementation of procedure beiscsi_conn_bind [2022-07-20 00:28:54,055 INFO L130 BoogieDeclarations]: Found specification of procedure wrb_from_mbox [2022-07-20 00:28:54,055 INFO L138 BoogieDeclarations]: Found implementation of procedure wrb_from_mbox [2022-07-20 00:28:54,055 INFO L130 BoogieDeclarations]: Found specification of procedure amap_mask [2022-07-20 00:28:54,055 INFO L138 BoogieDeclarations]: Found implementation of procedure amap_mask [2022-07-20 00:28:54,056 INFO L130 BoogieDeclarations]: Found specification of procedure beiscsi_create_ipv6_iface [2022-07-20 00:28:54,056 INFO L138 BoogieDeclarations]: Found implementation of procedure beiscsi_create_ipv6_iface [2022-07-20 00:28:54,056 INFO L130 BoogieDeclarations]: Found specification of procedure be_cmd_create_default_pdu_queue [2022-07-20 00:28:54,056 INFO L138 BoogieDeclarations]: Found implementation of procedure be_cmd_create_default_pdu_queue [2022-07-20 00:28:54,056 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2022-07-20 00:28:54,056 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2022-07-20 00:28:54,056 INFO L130 BoogieDeclarations]: Found specification of procedure be_encoded_q_len [2022-07-20 00:28:54,056 INFO L138 BoogieDeclarations]: Found implementation of procedure be_encoded_q_len [2022-07-20 00:28:54,056 INFO L130 BoogieDeclarations]: Found specification of procedure hwi_fwd_async_msg [2022-07-20 00:28:54,056 INFO L138 BoogieDeclarations]: Found implementation of procedure hwi_fwd_async_msg [2022-07-20 00:28:54,056 INFO L130 BoogieDeclarations]: Found specification of procedure mgmt_static_ip_modify [2022-07-20 00:28:54,057 INFO L138 BoogieDeclarations]: Found implementation of procedure mgmt_static_ip_modify [2022-07-20 00:28:54,057 INFO L130 BoogieDeclarations]: Found specification of procedure hwi_process_default_pdu_ring [2022-07-20 00:28:54,057 INFO L138 BoogieDeclarations]: Found implementation of procedure hwi_process_default_pdu_ring [2022-07-20 00:28:54,057 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-07-20 00:28:54,057 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-07-20 00:28:54,059 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2022-07-20 00:28:54,059 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2022-07-20 00:28:54,060 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2022-07-20 00:28:54,060 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2022-07-20 00:28:54,060 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work [2022-07-20 00:28:54,060 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work [2022-07-20 00:28:54,060 INFO L130 BoogieDeclarations]: Found specification of procedure beiscsi_free_mgmt_task_handles [2022-07-20 00:28:54,060 INFO L138 BoogieDeclarations]: Found implementation of procedure beiscsi_free_mgmt_task_handles [2022-07-20 00:28:54,060 INFO L130 BoogieDeclarations]: Found specification of procedure dma_pool_free [2022-07-20 00:28:54,060 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_pool_free [2022-07-20 00:28:55,675 INFO L234 CfgBuilder]: Building ICFG [2022-07-20 00:28:55,678 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-20 00:28:56,132 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-20 00:31:54,308 INFO L275 CfgBuilder]: Performing block encoding [2022-07-20 00:31:54,340 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-20 00:31:54,341 INFO L299 CfgBuilder]: Removed 3 assume(true) statements. [2022-07-20 00:31:54,347 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 12:31:54 BoogieIcfgContainer [2022-07-20 00:31:54,347 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-20 00:31:54,349 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-20 00:31:54,349 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-20 00:31:54,351 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-20 00:31:54,351 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.07 12:28:42" (1/3) ... [2022-07-20 00:31:54,351 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5106cef0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 12:31:54, skipping insertion in model container [2022-07-20 00:31:54,352 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:28:52" (2/3) ... [2022-07-20 00:31:54,352 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5106cef0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 12:31:54, skipping insertion in model container [2022-07-20 00:31:54,352 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 12:31:54" (3/3) ... [2022-07-20 00:31:54,353 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-08_1a-drivers--scsi--be2iscsi--be2iscsi.ko-entry_point.cil.out.i [2022-07-20 00:31:54,363 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-20 00:31:54,363 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-20 00:31:54,487 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-20 00:31:54,496 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@1d425e7d, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@1fce4f54 [2022-07-20 00:31:54,496 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-20 00:31:54,515 INFO L276 IsEmpty]: Start isEmpty. Operand has 6296 states, 4420 states have (on average 1.3941176470588235) internal successors, (6162), 4520 states have internal predecessors, (6162), 1645 states have call successors, (1645), 231 states have call predecessors, (1645), 230 states have return successors, (1623), 1609 states have call predecessors, (1623), 1623 states have call successors, (1623) [2022-07-20 00:31:54,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 939 [2022-07-20 00:31:54,557 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 00:31:54,559 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] [2022-07-20 00:31:54,559 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 00:31:54,565 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 00:31:54,565 INFO L85 PathProgramCache]: Analyzing trace with hash 1693571668, now seen corresponding path program 1 times [2022-07-20 00:31:54,589 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-20 00:31:54,589 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1418478655] [2022-07-20 00:31:54,589 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 00:31:54,590 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-20 00:31:54,590 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-20 00:31:54,592 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-20 00:31:54,595 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-07-20 00:31:59,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:31:59,782 INFO L263 TraceCheckSpWp]: Trace formula consists of 7873 conjuncts, 1 conjunts are in the unsatisfiable core [2022-07-20 00:31:59,849 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 00:31:59,926 INFO L134 CoverageAnalysis]: Checked inductivity of 13299 backedges. 5256 proven. 0 refuted. 0 times theorem prover too weak. 8043 trivial. 0 not checked. [2022-07-20 00:31:59,926 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-20 00:31:59,926 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-20 00:31:59,927 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1418478655] [2022-07-20 00:31:59,927 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1418478655] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 00:31:59,927 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 00:31:59,927 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-20 00:31:59,928 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1792618075] [2022-07-20 00:31:59,929 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 00:31:59,932 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-07-20 00:31:59,932 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-20 00:31:59,947 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-07-20 00:31:59,948 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-07-20 00:31:59,959 INFO L87 Difference]: Start difference. First operand has 6296 states, 4420 states have (on average 1.3941176470588235) internal successors, (6162), 4520 states have internal predecessors, (6162), 1645 states have call successors, (1645), 231 states have call predecessors, (1645), 230 states have return successors, (1623), 1609 states have call predecessors, (1623), 1623 states have call successors, (1623) 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) [2022-07-20 00:32:00,244 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 00:32:00,244 INFO L93 Difference]: Finished difference Result 12584 states and 19083 transitions. [2022-07-20 00:32:00,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-07-20 00:32:00,246 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 [2022-07-20 00:32:00,246 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 00:32:00,298 INFO L225 Difference]: With dead ends: 12584 [2022-07-20 00:32:00,298 INFO L226 Difference]: Without dead ends: 6257 [2022-07-20 00:32:00,336 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 [2022-07-20 00:32:00,341 INFO L413 NwaCegarLoop]: 9417 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, 9417 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-20 00:32:00,345 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 9417 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-20 00:32:00,365 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6257 states. [2022-07-20 00:32:00,566 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6257 to 6257. [2022-07-20 00:32:00,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6257 states, 4407 states have (on average 1.3875652371227591) internal successors, (6115), 4480 states have internal predecessors, (6115), 1620 states have call successors, (1620), 230 states have call predecessors, (1620), 229 states have return successors, (1619), 1605 states have call predecessors, (1619), 1619 states have call successors, (1619) [2022-07-20 00:32:00,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6257 states to 6257 states and 9354 transitions. [2022-07-20 00:32:00,630 INFO L78 Accepts]: Start accepts. Automaton has 6257 states and 9354 transitions. Word has length 938 [2022-07-20 00:32:00,632 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 00:32:00,632 INFO L495 AbstractCegarLoop]: Abstraction has 6257 states and 9354 transitions. [2022-07-20 00:32:00,633 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) [2022-07-20 00:32:00,633 INFO L276 IsEmpty]: Start isEmpty. Operand 6257 states and 9354 transitions. [2022-07-20 00:32:00,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 939 [2022-07-20 00:32:00,653 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 00:32:00,653 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] [2022-07-20 00:32:00,746 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-07-20 00:32:00,867 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-20 00:32:00,868 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 00:32:00,868 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 00:32:00,869 INFO L85 PathProgramCache]: Analyzing trace with hash 2005439010, now seen corresponding path program 1 times [2022-07-20 00:32:00,878 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-20 00:32:00,879 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1544079247] [2022-07-20 00:32:00,879 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 00:32:00,879 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-20 00:32:00,879 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-20 00:32:00,880 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-20 00:32:00,882 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-07-20 00:32:08,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:32:08,888 INFO L263 TraceCheckSpWp]: Trace formula consists of 7873 conjuncts, 5 conjunts are in the unsatisfiable core [2022-07-20 00:32:08,903 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 00:32:09,276 INFO L134 CoverageAnalysis]: Checked inductivity of 13299 backedges. 225 proven. 0 refuted. 0 times theorem prover too weak. 13074 trivial. 0 not checked. [2022-07-20 00:32:09,277 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-20 00:32:09,277 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-20 00:32:09,277 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1544079247] [2022-07-20 00:32:09,278 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1544079247] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 00:32:09,278 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 00:32:09,278 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-20 00:32:09,278 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [576939265] [2022-07-20 00:32:09,278 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 00:32:09,281 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-20 00:32:09,282 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-20 00:32:09,282 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-20 00:32:09,283 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-20 00:32:09,283 INFO L87 Difference]: Start difference. First operand 6257 states and 9354 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) [2022-07-20 00:32:12,200 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 00:32:12,200 INFO L93 Difference]: Finished difference Result 12438 states and 18799 transitions. [2022-07-20 00:32:12,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-20 00:32:12,201 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 [2022-07-20 00:32:12,205 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 00:32:12,240 INFO L225 Difference]: With dead ends: 12438 [2022-07-20 00:32:12,241 INFO L226 Difference]: Without dead ends: 6260 [2022-07-20 00:32:12,267 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 939 GetRequests, 933 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-07-20 00:32:12,268 INFO L413 NwaCegarLoop]: 9321 mSDtfsCounter, 6 mSDsluCounter, 37177 mSDsCounter, 0 mSdLazyCounter, 267 mSolverCounterSat, 67 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 46498 SdHoareTripleChecker+Invalid, 334 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 67 IncrementalHoareTripleChecker+Valid, 267 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-07-20 00:32:12,268 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 46498 Invalid, 334 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [67 Valid, 267 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2022-07-20 00:32:12,277 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6260 states. [2022-07-20 00:32:12,413 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6260 to 6260. [2022-07-20 00:32:12,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6260 states, 4409 states have (on average 1.387616239510093) internal successors, (6118), 4483 states have internal predecessors, (6118), 1620 states have call successors, (1620), 230 states have call predecessors, (1620), 230 states have return successors, (1623), 1605 states have call predecessors, (1623), 1619 states have call successors, (1623) [2022-07-20 00:32:12,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6260 states to 6260 states and 9361 transitions. [2022-07-20 00:32:12,455 INFO L78 Accepts]: Start accepts. Automaton has 6260 states and 9361 transitions. Word has length 938 [2022-07-20 00:32:12,458 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 00:32:12,458 INFO L495 AbstractCegarLoop]: Abstraction has 6260 states and 9361 transitions. [2022-07-20 00:32:12,458 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) [2022-07-20 00:32:12,458 INFO L276 IsEmpty]: Start isEmpty. Operand 6260 states and 9361 transitions. [2022-07-20 00:32:12,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 965 [2022-07-20 00:32:12,466 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 00:32:12,466 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] [2022-07-20 00:32:12,560 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-07-20 00:32:12,679 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-20 00:32:12,680 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 00:32:12,680 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 00:32:12,680 INFO L85 PathProgramCache]: Analyzing trace with hash 355727256, now seen corresponding path program 1 times [2022-07-20 00:32:12,684 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-20 00:32:12,684 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [664693796] [2022-07-20 00:32:12,684 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 00:32:12,684 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-20 00:32:12,684 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-20 00:32:12,690 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-20 00:32:12,692 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-07-20 00:32:20,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:32:21,126 INFO L263 TraceCheckSpWp]: Trace formula consists of 8159 conjuncts, 6 conjunts are in the unsatisfiable core [2022-07-20 00:32:21,141 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 00:32:21,644 INFO L134 CoverageAnalysis]: Checked inductivity of 14300 backedges. 300 proven. 1 refuted. 0 times theorem prover too weak. 13999 trivial. 0 not checked. [2022-07-20 00:32:21,644 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-20 00:32:23,694 INFO L134 CoverageAnalysis]: Checked inductivity of 14300 backedges. 0 proven. 251 refuted. 0 times theorem prover too weak. 14049 trivial. 0 not checked. [2022-07-20 00:32:23,694 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-20 00:32:23,694 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [664693796] [2022-07-20 00:32:23,695 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [664693796] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-20 00:32:23,695 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-07-20 00:32:23,695 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 11 [2022-07-20 00:32:23,695 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1562551988] [2022-07-20 00:32:23,695 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-07-20 00:32:23,696 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-07-20 00:32:23,696 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-20 00:32:23,697 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-07-20 00:32:23,697 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2022-07-20 00:32:23,697 INFO L87 Difference]: Start difference. First operand 6260 states and 9361 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) [2022-07-20 00:32:28,628 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 00:32:28,628 INFO L93 Difference]: Finished difference Result 12454 states and 18828 transitions. [2022-07-20 00:32:28,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-07-20 00:32:28,629 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 [2022-07-20 00:32:28,630 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 00:32:28,660 INFO L225 Difference]: With dead ends: 12454 [2022-07-20 00:32:28,660 INFO L226 Difference]: Without dead ends: 6276 [2022-07-20 00:32:28,684 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1930 GetRequests, 1917 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=52, Invalid=158, Unknown=0, NotChecked=0, Total=210 [2022-07-20 00:32:28,686 INFO L413 NwaCegarLoop]: 9325 mSDtfsCounter, 14 mSDsluCounter, 46459 mSDsCounter, 0 mSdLazyCounter, 422 mSolverCounterSat, 126 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 55784 SdHoareTripleChecker+Invalid, 548 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 126 IncrementalHoareTripleChecker+Valid, 422 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2022-07-20 00:32:28,687 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 55784 Invalid, 548 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [126 Valid, 422 Invalid, 0 Unknown, 0 Unchecked, 4.1s Time] [2022-07-20 00:32:28,696 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6276 states. [2022-07-20 00:32:28,838 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6276 to 6276. [2022-07-20 00:32:28,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6276 states, 4420 states have (on average 1.38710407239819) internal successors, (6131), 4494 states have internal predecessors, (6131), 1622 states have call successors, (1622), 233 states have call predecessors, (1622), 233 states have return successors, (1629), 1607 states have call predecessors, (1629), 1621 states have call successors, (1629) [2022-07-20 00:32:28,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6276 states to 6276 states and 9382 transitions. [2022-07-20 00:32:28,871 INFO L78 Accepts]: Start accepts. Automaton has 6276 states and 9382 transitions. Word has length 964 [2022-07-20 00:32:28,872 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 00:32:28,872 INFO L495 AbstractCegarLoop]: Abstraction has 6276 states and 9382 transitions. [2022-07-20 00:32:28,873 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) [2022-07-20 00:32:28,873 INFO L276 IsEmpty]: Start isEmpty. Operand 6276 states and 9382 transitions. [2022-07-20 00:32:28,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 990 [2022-07-20 00:32:28,881 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 00:32:28,881 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] [2022-07-20 00:32:28,997 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-07-20 00:32:29,095 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-20 00:32:29,096 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 00:32:29,096 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 00:32:29,096 INFO L85 PathProgramCache]: Analyzing trace with hash 1634577621, now seen corresponding path program 2 times [2022-07-20 00:32:29,100 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-20 00:32:29,101 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [7901629] [2022-07-20 00:32:29,101 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-07-20 00:32:29,101 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-20 00:32:29,101 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-20 00:32:29,102 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-20 00:32:29,103 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-07-20 00:32:32,634 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-07-20 00:32:32,634 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-20 00:32:32,760 INFO L263 TraceCheckSpWp]: Trace formula consists of 5137 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-20 00:32:32,772 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 00:32:33,022 INFO L134 CoverageAnalysis]: Checked inductivity of 15900 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15900 trivial. 0 not checked. [2022-07-20 00:32:33,022 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-20 00:32:33,022 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-20 00:32:33,022 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [7901629] [2022-07-20 00:32:33,022 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [7901629] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 00:32:33,023 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 00:32:33,023 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-20 00:32:33,023 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1634758479] [2022-07-20 00:32:33,023 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 00:32:33,024 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-20 00:32:33,024 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-20 00:32:33,024 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-20 00:32:33,024 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 00:32:33,025 INFO L87 Difference]: Start difference. First operand 6276 states and 9382 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) [2022-07-20 00:32:33,796 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 00:32:33,796 INFO L93 Difference]: Finished difference Result 18472 states and 27642 transitions. [2022-07-20 00:32:33,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-20 00:32:33,797 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 [2022-07-20 00:32:33,798 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 00:32:33,876 INFO L225 Difference]: With dead ends: 18472 [2022-07-20 00:32:33,876 INFO L226 Difference]: Without dead ends: 12350 [2022-07-20 00:32:33,990 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 [2022-07-20 00:32:33,991 INFO L413 NwaCegarLoop]: 10905 mSDtfsCounter, 9090 mSDsluCounter, 9321 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9090 SdHoareTripleChecker+Valid, 20226 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 [2022-07-20 00:32:33,991 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9090 Valid, 20226 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-07-20 00:32:34,016 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12350 states. [2022-07-20 00:32:34,299 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12350 to 12348. [2022-07-20 00:32:34,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12348 states, 8724 states have (on average 1.3914488766620816) internal successors, (12139), 8872 states have internal predecessors, (12139), 3161 states have call successors, (3161), 461 states have call predecessors, (3161), 462 states have return successors, (3172), 3132 states have call predecessors, (3172), 3160 states have call successors, (3172) [2022-07-20 00:32:34,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12348 states to 12348 states and 18472 transitions. [2022-07-20 00:32:34,371 INFO L78 Accepts]: Start accepts. Automaton has 12348 states and 18472 transitions. Word has length 989 [2022-07-20 00:32:34,374 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 00:32:34,374 INFO L495 AbstractCegarLoop]: Abstraction has 12348 states and 18472 transitions. [2022-07-20 00:32:34,375 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) [2022-07-20 00:32:34,375 INFO L276 IsEmpty]: Start isEmpty. Operand 12348 states and 18472 transitions. [2022-07-20 00:32:34,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 994 [2022-07-20 00:32:34,389 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 00:32:34,389 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] [2022-07-20 00:32:34,471 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2022-07-20 00:32:34,615 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-20 00:32:34,616 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 00:32:34,616 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 00:32:34,616 INFO L85 PathProgramCache]: Analyzing trace with hash 296470191, now seen corresponding path program 1 times [2022-07-20 00:32:34,620 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-20 00:32:34,621 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1672082691] [2022-07-20 00:32:34,621 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 00:32:34,621 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-20 00:32:34,621 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-20 00:32:34,632 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-20 00:32:34,678 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-07-20 00:32:43,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:32:43,729 INFO L263 TraceCheckSpWp]: Trace formula consists of 8441 conjuncts, 7 conjunts are in the unsatisfiable core [2022-07-20 00:32:43,766 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 00:32:44,391 INFO L134 CoverageAnalysis]: Checked inductivity of 15900 backedges. 422 proven. 3 refuted. 0 times theorem prover too weak. 15475 trivial. 0 not checked. [2022-07-20 00:32:44,391 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-20 00:32:47,064 INFO L134 CoverageAnalysis]: Checked inductivity of 15900 backedges. 0 proven. 375 refuted. 0 times theorem prover too weak. 15525 trivial. 0 not checked. [2022-07-20 00:32:47,064 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-20 00:32:47,064 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1672082691] [2022-07-20 00:32:47,064 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1672082691] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-20 00:32:47,064 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-07-20 00:32:47,065 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 13 [2022-07-20 00:32:47,065 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [633602417] [2022-07-20 00:32:47,065 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-07-20 00:32:47,066 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-07-20 00:32:47,066 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-20 00:32:47,066 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-07-20 00:32:47,066 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2022-07-20 00:32:47,067 INFO L87 Difference]: Start difference. First operand 12348 states and 18472 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)