./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--scsi--be2iscsi--be2iscsi.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 35987657 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--scsi--be2iscsi--be2iscsi.ko-entry_point.cil.out.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 876121993ef1a4db56a5a0602d105b3cbdec3ff55f866ec4cb2cdd413d06fd9d --- Real Ultimate output --- This is Ultimate 0.2.2-?-3598765 [2022-07-21 12:29:04,513 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-21 12:29:04,515 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-21 12:29:04,537 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-21 12:29:04,538 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-21 12:29:04,539 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-21 12:29:04,541 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-21 12:29:04,542 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-21 12:29:04,544 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-21 12:29:04,545 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-21 12:29:04,546 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-21 12:29:04,547 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-21 12:29:04,547 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-21 12:29:04,548 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-21 12:29:04,549 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-21 12:29:04,550 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-21 12:29:04,550 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-21 12:29:04,551 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-21 12:29:04,552 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-21 12:29:04,554 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-21 12:29:04,555 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-21 12:29:04,556 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-21 12:29:04,557 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-21 12:29:04,558 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-21 12:29:04,559 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-21 12:29:04,566 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-21 12:29:04,567 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-21 12:29:04,567 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-21 12:29:04,568 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-21 12:29:04,569 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-21 12:29:04,569 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-21 12:29:04,569 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-21 12:29:04,570 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-21 12:29:04,571 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-21 12:29:04,571 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-21 12:29:04,572 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-21 12:29:04,572 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-21 12:29:04,573 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-21 12:29:04,573 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-21 12:29:04,573 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-21 12:29:04,574 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-21 12:29:04,574 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-21 12:29:04,578 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-21 12:29:04,616 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-21 12:29:04,617 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-21 12:29:04,617 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-21 12:29:04,617 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-21 12:29:04,618 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-21 12:29:04,618 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-21 12:29:04,618 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-21 12:29:04,619 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-21 12:29:04,619 INFO L138 SettingsManager]: * Use SBE=true [2022-07-21 12:29:04,619 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-21 12:29:04,619 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-21 12:29:04,619 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-21 12:29:04,619 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-21 12:29:04,620 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-21 12:29:04,620 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-21 12:29:04,620 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-21 12:29:04,620 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-21 12:29:04,620 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-21 12:29:04,620 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-21 12:29:04,621 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-21 12:29:04,621 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-21 12:29:04,621 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 12:29:04,621 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-21 12:29:04,622 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-21 12:29:04,622 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-21 12:29:04,622 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-21 12:29:04,622 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-21 12:29:04,622 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-21 12:29:04,623 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-21 12:29:04,623 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-21 12:29:04,623 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 876121993ef1a4db56a5a0602d105b3cbdec3ff55f866ec4cb2cdd413d06fd9d [2022-07-21 12:29:04,893 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-21 12:29:04,923 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-21 12:29:04,925 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-21 12:29:04,927 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-21 12:29:04,928 INFO L275 PluginConnector]: CDTParser initialized [2022-07-21 12:29:04,930 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--scsi--be2iscsi--be2iscsi.ko-entry_point.cil.out.i [2022-07-21 12:29:04,995 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/11f28ba16/68cbd614a4314b0db2c40002c037d8ab/FLAG98ffd361d [2022-07-21 12:29:06,036 INFO L306 CDTParser]: Found 1 translation units. [2022-07-21 12:29:06,037 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--scsi--be2iscsi--be2iscsi.ko-entry_point.cil.out.i [2022-07-21 12:29:06,097 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/11f28ba16/68cbd614a4314b0db2c40002c037d8ab/FLAG98ffd361d [2022-07-21 12:29:06,464 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/11f28ba16/68cbd614a4314b0db2c40002c037d8ab [2022-07-21 12:29:06,466 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-21 12:29:06,467 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-21 12:29:06,468 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-21 12:29:06,468 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-21 12:29:06,471 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-21 12:29:06,471 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 12:29:06" (1/1) ... [2022-07-21 12:29:06,472 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@47fdaae3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:29:06, skipping insertion in model container [2022-07-21 12:29:06,472 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 12:29:06" (1/1) ... [2022-07-21 12:29:06,477 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-21 12:29:06,783 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-21 12:29:14,859 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--scsi--be2iscsi--be2iscsi.ko-entry_point.cil.out.i[764173,764186] [2022-07-21 12:29:15,206 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 12:29:15,255 INFO L203 MainTranslator]: Completed pre-run [2022-07-21 12:29:15,896 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception: de.uni_freiburg.informatik.ultimate.boogie.typechecker.TypeCheckException: Type check failed for C: ue_lo = ~ ue_mask_lo & ue_lo [20648] at de.uni_freiburg.informatik.ultimate.boogie.TypeErrorReporter.report(TypeErrorReporter.java:52) at de.uni_freiburg.informatik.ultimate.boogie.typechecker.TypeCheckHelper.typeCheckBinaryExpression(TypeCheckHelper.java:207) at de.uni_freiburg.informatik.ultimate.boogie.ExpressionFactory.constructBinaryExpression(ExpressionFactory.java:597) at de.uni_freiburg.informatik.ultimate.boogie.ExpressionFactory.newBinaryExpression(ExpressionFactory.java:132) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.BitabsTranslation.abstractAssign(BitabsTranslation.java:483) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.abstractAssginWithBitwiseOp(IntegerTranslation.java:973) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:737) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:372) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1397) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:326) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1081) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:334) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1081) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:334) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionDefinition(FunctionHandler.java:371) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1470) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:289) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.processTUchild(CHandler.java:3276) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2361) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:601) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:270) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.performMainRun(MainTranslator.java:244) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.translate(MainTranslator.java:206) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:115) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:93) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-07-21 12:29:15,911 INFO L158 Benchmark]: Toolchain (without parser) took 9442.77ms. Allocated memory was 62.9MB in the beginning and 266.3MB in the end (delta: 203.4MB). Free memory was 25.6MB in the beginning and 132.4MB in the end (delta: -106.9MB). Peak memory consumption was 139.3MB. Max. memory is 16.1GB. [2022-07-21 12:29:15,912 INFO L158 Benchmark]: CDTParser took 0.49ms. Allocated memory is still 62.9MB. Free memory was 43.9MB in the beginning and 43.8MB in the end (delta: 32.3kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-21 12:29:15,912 INFO L158 Benchmark]: CACSL2BoogieTranslator took 9441.33ms. Allocated memory was 62.9MB in the beginning and 266.3MB in the end (delta: 203.4MB). Free memory was 25.3MB in the beginning and 132.4MB in the end (delta: -107.1MB). Peak memory consumption was 139.3MB. Max. memory is 16.1GB. [2022-07-21 12:29:15,913 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.49ms. Allocated memory is still 62.9MB. Free memory was 43.9MB in the beginning and 43.8MB in the end (delta: 32.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 9441.33ms. Allocated memory was 62.9MB in the beginning and 266.3MB in the end (delta: 203.4MB). Free memory was 25.3MB in the beginning and 132.4MB in the end (delta: -107.1MB). Peak memory consumption was 139.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: TypeCheckException: Type check failed for C: ue_lo = ~ ue_mask_lo & ue_lo [20648] de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: TypeCheckException: Type check failed for C: ue_lo = ~ ue_mask_lo & ue_lo [20648]: de.uni_freiburg.informatik.ultimate.boogie.TypeErrorReporter.report(TypeErrorReporter.java:52) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--scsi--be2iscsi--be2iscsi.ko-entry_point.cil.out.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 876121993ef1a4db56a5a0602d105b3cbdec3ff55f866ec4cb2cdd413d06fd9d --- Real Ultimate output --- This is Ultimate 0.2.2-?-3598765 [2022-07-21 12:29:17,671 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-21 12:29:17,673 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-21 12:29:17,705 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-21 12:29:17,705 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-21 12:29:17,706 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-21 12:29:17,709 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-21 12:29:17,712 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-21 12:29:17,713 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-21 12:29:17,716 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-21 12:29:17,717 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-21 12:29:17,718 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-21 12:29:17,718 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-21 12:29:17,720 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-21 12:29:17,720 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-21 12:29:17,724 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-21 12:29:17,725 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-21 12:29:17,726 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-21 12:29:17,727 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-21 12:29:17,731 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-21 12:29:17,731 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-21 12:29:17,732 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-21 12:29:17,733 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-21 12:29:17,734 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-21 12:29:17,735 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-21 12:29:17,748 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-21 12:29:17,749 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-21 12:29:17,749 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-21 12:29:17,749 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-21 12:29:17,750 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-21 12:29:17,750 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-21 12:29:17,750 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-21 12:29:17,751 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-21 12:29:17,752 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-21 12:29:17,753 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-21 12:29:17,753 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-21 12:29:17,753 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-21 12:29:17,754 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-21 12:29:17,754 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-21 12:29:17,754 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-21 12:29:17,754 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-21 12:29:17,755 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-21 12:29:17,759 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-07-21 12:29:17,784 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-21 12:29:17,785 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-21 12:29:17,785 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-21 12:29:17,785 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-21 12:29:17,785 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-21 12:29:17,786 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-21 12:29:17,786 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-21 12:29:17,786 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-21 12:29:17,786 INFO L138 SettingsManager]: * Use SBE=true [2022-07-21 12:29:17,787 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-21 12:29:17,787 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-21 12:29:17,787 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-21 12:29:17,787 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-21 12:29:17,787 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-21 12:29:17,787 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-07-21 12:29:17,788 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-07-21 12:29:17,788 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-07-21 12:29:17,788 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-21 12:29:17,788 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-21 12:29:17,788 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-21 12:29:17,788 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-21 12:29:17,788 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-21 12:29:17,788 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-21 12:29:17,788 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 12:29:17,788 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-21 12:29:17,789 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-21 12:29:17,789 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-21 12:29:17,789 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-07-21 12:29:17,789 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-07-21 12:29:17,789 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-21 12:29:17,789 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-21 12:29:17,789 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-21 12:29:17,789 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-07-21 12:29:17,789 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 876121993ef1a4db56a5a0602d105b3cbdec3ff55f866ec4cb2cdd413d06fd9d [2022-07-21 12:29:18,037 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-21 12:29:18,051 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-21 12:29:18,053 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-21 12:29:18,053 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-21 12:29:18,054 INFO L275 PluginConnector]: CDTParser initialized [2022-07-21 12:29:18,055 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--scsi--be2iscsi--be2iscsi.ko-entry_point.cil.out.i [2022-07-21 12:29:18,095 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/df7c07c95/b8602cf4dd144c7e87f950bb758d7666/FLAG80c938860 [2022-07-21 12:29:18,915 INFO L306 CDTParser]: Found 1 translation units. [2022-07-21 12:29:18,915 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--scsi--be2iscsi--be2iscsi.ko-entry_point.cil.out.i [2022-07-21 12:29:18,974 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/df7c07c95/b8602cf4dd144c7e87f950bb758d7666/FLAG80c938860 [2022-07-21 12:29:19,161 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/df7c07c95/b8602cf4dd144c7e87f950bb758d7666 [2022-07-21 12:29:19,164 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-21 12:29:19,165 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-21 12:29:19,166 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-21 12:29:19,167 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-21 12:29:19,179 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-21 12:29:19,180 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 12:29:19" (1/1) ... [2022-07-21 12:29:19,194 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7e9bbc6c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:29:19, skipping insertion in model container [2022-07-21 12:29:19,195 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 12:29:19" (1/1) ... [2022-07-21 12:29:19,217 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-21 12:29:19,389 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-21 12:29:26,633 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--scsi--be2iscsi--be2iscsi.ko-entry_point.cil.out.i[764173,764186] [2022-07-21 12:29:26,976 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 12:29:27,001 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-07-21 12:29:27,141 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-21 12:29:27,739 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--scsi--be2iscsi--be2iscsi.ko-entry_point.cil.out.i[764173,764186] [2022-07-21 12:29:27,753 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 12:29:27,777 INFO L203 MainTranslator]: Completed pre-run [2022-07-21 12:29:28,415 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--scsi--be2iscsi--be2iscsi.ko-entry_point.cil.out.i[764173,764186] [2022-07-21 12:29:28,425 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 12:29:28,566 INFO L208 MainTranslator]: Completed translation [2022-07-21 12:29:28,567 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:29:28 WrapperNode [2022-07-21 12:29:28,567 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-21 12:29:28,568 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-21 12:29:28,568 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-21 12:29:28,568 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-21 12:29:28,574 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:29:28" (1/1) ... [2022-07-21 12:29:28,713 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:29:28" (1/1) ... [2022-07-21 12:29:29,097 INFO L137 Inliner]: procedures = 669, calls = 9104, calls flagged for inlining = 267, calls inlined = 259, statements flattened = 20286 [2022-07-21 12:29:29,098 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-21 12:29:29,099 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-21 12:29:29,099 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-21 12:29:29,099 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-21 12:29:29,105 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:29:28" (1/1) ... [2022-07-21 12:29:29,105 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:29:28" (1/1) ... [2022-07-21 12:29:29,200 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:29:28" (1/1) ... [2022-07-21 12:29:29,201 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:29:28" (1/1) ... [2022-07-21 12:29:29,668 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:29:28" (1/1) ... [2022-07-21 12:29:29,709 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:29:28" (1/1) ... [2022-07-21 12:29:29,777 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:29:28" (1/1) ... [2022-07-21 12:29:30,041 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-21 12:29:30,057 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-21 12:29:30,057 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-21 12:29:30,057 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-21 12:29:30,058 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:29:28" (1/1) ... [2022-07-21 12:29:30,075 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 12:29:30,082 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-21 12:29:30,117 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) [2022-07-21 12:29:30,187 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 [2022-07-21 12:29:30,224 INFO L130 BoogieDeclarations]: Found specification of procedure be_mcc_compl_use [2022-07-21 12:29:30,224 INFO L138 BoogieDeclarations]: Found implementation of procedure be_mcc_compl_use [2022-07-21 12:29:30,224 INFO L130 BoogieDeclarations]: Found specification of procedure __iscsi_complete_pdu [2022-07-21 12:29:30,224 INFO L138 BoogieDeclarations]: Found implementation of procedure __iscsi_complete_pdu [2022-07-21 12:29:30,225 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-07-21 12:29:30,225 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-07-21 12:29:30,225 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-07-21 12:29:30,225 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-07-21 12:29:30,225 INFO L130 BoogieDeclarations]: Found specification of procedure free_io_sgl_handle [2022-07-21 12:29:30,225 INFO L138 BoogieDeclarations]: Found implementation of procedure free_io_sgl_handle [2022-07-21 12:29:30,225 INFO L130 BoogieDeclarations]: Found specification of procedure be_mbox_notify_wait [2022-07-21 12:29:30,225 INFO L138 BoogieDeclarations]: Found implementation of procedure be_mbox_notify_wait [2022-07-21 12:29:30,225 INFO L130 BoogieDeclarations]: Found specification of procedure variable_test_bit [2022-07-21 12:29:30,225 INFO L138 BoogieDeclarations]: Found implementation of procedure variable_test_bit [2022-07-21 12:29:30,225 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-21 12:29:30,225 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-21 12:29:30,225 INFO L130 BoogieDeclarations]: Found specification of procedure hwi_purge_eq [2022-07-21 12:29:30,225 INFO L138 BoogieDeclarations]: Found implementation of procedure hwi_purge_eq [2022-07-21 12:29:30,225 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap_nocache [2022-07-21 12:29:30,226 INFO L138 BoogieDeclarations]: Found implementation of procedure ioremap_nocache [2022-07-21 12:29:30,226 INFO L130 BoogieDeclarations]: Found specification of procedure amap_get [2022-07-21 12:29:30,226 INFO L138 BoogieDeclarations]: Found implementation of procedure amap_get [2022-07-21 12:29:30,226 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2022-07-21 12:29:30,226 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2022-07-21 12:29:30,226 INFO L130 BoogieDeclarations]: Found specification of procedure __might_sleep [2022-07-21 12:29:30,226 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_sleep [2022-07-21 12:29:30,226 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_mcc_tag [2022-07-21 12:29:30,226 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_mcc_tag [2022-07-21 12:29:30,226 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_6 [2022-07-21 12:29:30,226 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_6 [2022-07-21 12:29:30,227 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-07-21 12:29:30,227 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-07-21 12:29:30,227 INFO L130 BoogieDeclarations]: Found specification of procedure be_mcc_compl_is_new [2022-07-21 12:29:30,227 INFO L138 BoogieDeclarations]: Found implementation of procedure be_mcc_compl_is_new [2022-07-21 12:29:30,227 INFO L130 BoogieDeclarations]: Found specification of procedure mgmt_exec_nonemb_cmd [2022-07-21 12:29:30,227 INFO L138 BoogieDeclarations]: Found implementation of procedure mgmt_exec_nonemb_cmd [2022-07-21 12:29:30,227 INFO L130 BoogieDeclarations]: Found specification of procedure fls [2022-07-21 12:29:30,227 INFO L138 BoogieDeclarations]: Found implementation of procedure fls [2022-07-21 12:29:30,227 INFO L130 BoogieDeclarations]: Found specification of procedure beiscsi_ue_detect [2022-07-21 12:29:30,228 INFO L138 BoogieDeclarations]: Found implementation of procedure beiscsi_ue_detect [2022-07-21 12:29:30,228 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2022-07-21 12:29:30,228 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2022-07-21 12:29:30,228 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-07-21 12:29:30,228 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-07-21 12:29:30,228 INFO L130 BoogieDeclarations]: Found specification of procedure iscsi_session_get_param [2022-07-21 12:29:30,228 INFO L138 BoogieDeclarations]: Found implementation of procedure iscsi_session_get_param [2022-07-21 12:29:30,228 INFO L130 BoogieDeclarations]: Found specification of procedure beiscsi_session_create [2022-07-21 12:29:30,228 INFO L138 BoogieDeclarations]: Found implementation of procedure beiscsi_session_create [2022-07-21 12:29:30,229 INFO L130 BoogieDeclarations]: Found specification of procedure swap_dws [2022-07-21 12:29:30,229 INFO L138 BoogieDeclarations]: Found implementation of procedure swap_dws [2022-07-21 12:29:30,229 INFO L130 BoogieDeclarations]: Found specification of procedure beiscsi_process_all_cqs [2022-07-21 12:29:30,229 INFO L138 BoogieDeclarations]: Found implementation of procedure beiscsi_process_all_cqs [2022-07-21 12:29:30,230 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-07-21 12:29:30,230 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-07-21 12:29:30,230 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2022-07-21 12:29:30,230 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2022-07-21 12:29:30,230 INFO L130 BoogieDeclarations]: Found specification of procedure be_cmd_page_addrs_prepare [2022-07-21 12:29:30,230 INFO L138 BoogieDeclarations]: Found implementation of procedure be_cmd_page_addrs_prepare [2022-07-21 12:29:30,230 INFO L130 BoogieDeclarations]: Found specification of procedure free_mcc_tag [2022-07-21 12:29:30,230 INFO L138 BoogieDeclarations]: Found implementation of procedure free_mcc_tag [2022-07-21 12:29:30,230 INFO L130 BoogieDeclarations]: Found specification of procedure hwi_enable_intr [2022-07-21 12:29:30,230 INFO L138 BoogieDeclarations]: Found implementation of procedure hwi_enable_intr [2022-07-21 12:29:30,230 INFO L130 BoogieDeclarations]: Found specification of procedure beiscsi_session_destroy [2022-07-21 12:29:30,231 INFO L138 BoogieDeclarations]: Found implementation of procedure beiscsi_session_destroy [2022-07-21 12:29:30,231 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-07-21 12:29:30,231 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-07-21 12:29:30,231 INFO L130 BoogieDeclarations]: Found specification of procedure beiscsi_cmd_reset_function [2022-07-21 12:29:30,231 INFO L138 BoogieDeclarations]: Found implementation of procedure beiscsi_cmd_reset_function [2022-07-21 12:29:30,231 INFO L130 BoogieDeclarations]: Found specification of procedure beiscsi_free_mem [2022-07-21 12:29:30,231 INFO L138 BoogieDeclarations]: Found implementation of procedure beiscsi_free_mem [2022-07-21 12:29:30,231 INFO L130 BoogieDeclarations]: Found specification of procedure iscsi_conn_get_param [2022-07-21 12:29:30,231 INFO L138 BoogieDeclarations]: Found implementation of procedure iscsi_conn_get_param [2022-07-21 12:29:30,232 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-21 12:29:30,232 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2022-07-21 12:29:30,232 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2022-07-21 12:29:30,232 INFO L130 BoogieDeclarations]: Found specification of procedure nla_find [2022-07-21 12:29:30,232 INFO L138 BoogieDeclarations]: Found implementation of procedure nla_find [2022-07-21 12:29:30,232 INFO L130 BoogieDeclarations]: Found specification of procedure hwi_get_async_busy_list [2022-07-21 12:29:30,232 INFO L138 BoogieDeclarations]: Found implementation of procedure hwi_get_async_busy_list [2022-07-21 12:29:30,232 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2022-07-21 12:29:30,232 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-07-21 12:29:30,233 INFO L130 BoogieDeclarations]: Found specification of procedure iscsi_session_teardown [2022-07-21 12:29:30,233 INFO L138 BoogieDeclarations]: Found implementation of procedure iscsi_session_teardown [2022-07-21 12:29:30,233 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-07-21 12:29:30,233 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2022-07-21 12:29:30,233 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2022-07-21 12:29:30,233 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2022-07-21 12:29:30,233 INFO L130 BoogieDeclarations]: Found specification of procedure iscsi_conn_stop [2022-07-21 12:29:30,233 INFO L138 BoogieDeclarations]: Found implementation of procedure iscsi_conn_stop [2022-07-21 12:29:30,234 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-07-21 12:29:30,234 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-07-21 12:29:30,234 INFO L130 BoogieDeclarations]: Found specification of procedure beiscsi_init_irqs [2022-07-21 12:29:30,234 INFO L138 BoogieDeclarations]: Found implementation of procedure beiscsi_init_irqs [2022-07-21 12:29:30,234 INFO L130 BoogieDeclarations]: Found specification of procedure __rounddown_pow_of_two [2022-07-21 12:29:30,234 INFO L138 BoogieDeclarations]: Found implementation of procedure __rounddown_pow_of_two [2022-07-21 12:29:30,235 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-07-21 12:29:30,235 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-07-21 12:29:30,235 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2022-07-21 12:29:30,235 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2022-07-21 12:29:30,235 INFO L130 BoogieDeclarations]: Found specification of procedure beiscsi_cleanup_task [2022-07-21 12:29:30,235 INFO L138 BoogieDeclarations]: Found implementation of procedure beiscsi_cleanup_task [2022-07-21 12:29:30,235 INFO L130 BoogieDeclarations]: Found specification of procedure iscsi_conn_send_pdu [2022-07-21 12:29:30,235 INFO L138 BoogieDeclarations]: Found implementation of procedure iscsi_conn_send_pdu [2022-07-21 12:29:30,235 INFO L130 BoogieDeclarations]: Found specification of procedure beiscsi_eeh_err_detected [2022-07-21 12:29:30,235 INFO L138 BoogieDeclarations]: Found implementation of procedure beiscsi_eeh_err_detected [2022-07-21 12:29:30,235 INFO L130 BoogieDeclarations]: Found specification of procedure be_queue_free [2022-07-21 12:29:30,235 INFO L138 BoogieDeclarations]: Found implementation of procedure be_queue_free [2022-07-21 12:29:30,235 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_consistent_dma_mask [2022-07-21 12:29:30,236 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_consistent_dma_mask [2022-07-21 12:29:30,236 INFO L130 BoogieDeclarations]: Found specification of procedure beiscsi_process_cq [2022-07-21 12:29:30,236 INFO L138 BoogieDeclarations]: Found implementation of procedure beiscsi_process_cq [2022-07-21 12:29:30,236 INFO L130 BoogieDeclarations]: Found specification of procedure pci_save_state [2022-07-21 12:29:30,238 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_save_state [2022-07-21 12:29:30,238 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-07-21 12:29:30,238 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-07-21 12:29:30,238 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-07-21 12:29:30,238 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-07-21 12:29:30,240 INFO L130 BoogieDeclarations]: Found specification of procedure index_inc [2022-07-21 12:29:30,240 INFO L138 BoogieDeclarations]: Found implementation of procedure index_inc [2022-07-21 12:29:30,240 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_mgmt_sgl_handle [2022-07-21 12:29:30,240 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_mgmt_sgl_handle [2022-07-21 12:29:30,244 INFO L130 BoogieDeclarations]: Found specification of procedure be_wrb_hdr_prepare [2022-07-21 12:29:30,244 INFO L138 BoogieDeclarations]: Found implementation of procedure be_wrb_hdr_prepare [2022-07-21 12:29:30,244 INFO L130 BoogieDeclarations]: Found specification of procedure pci_zalloc_consistent [2022-07-21 12:29:30,244 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_zalloc_consistent [2022-07-21 12:29:30,244 INFO L130 BoogieDeclarations]: Found specification of procedure blk_iopoll_init [2022-07-21 12:29:30,244 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_iopoll_init [2022-07-21 12:29:30,244 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-07-21 12:29:30,245 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-07-21 12:29:30,245 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-21 12:29:30,245 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-21 12:29:30,245 INFO L130 BoogieDeclarations]: Found specification of procedure beiscsi_hw_health_check [2022-07-21 12:29:30,245 INFO L138 BoogieDeclarations]: Found implementation of procedure beiscsi_hw_health_check [2022-07-21 12:29:30,245 INFO L130 BoogieDeclarations]: Found specification of procedure reg_check_2 [2022-07-21 12:29:30,245 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_check_2 [2022-07-21 12:29:30,245 INFO L130 BoogieDeclarations]: Found specification of procedure wrb_from_mccq [2022-07-21 12:29:30,245 INFO L138 BoogieDeclarations]: Found implementation of procedure wrb_from_mccq [2022-07-21 12:29:30,245 INFO L130 BoogieDeclarations]: Found specification of procedure beiscsi_set_static_ip [2022-07-21 12:29:30,245 INFO L138 BoogieDeclarations]: Found implementation of procedure beiscsi_set_static_ip [2022-07-21 12:29:30,245 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_dma_mask [2022-07-21 12:29:30,245 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_dma_mask [2022-07-21 12:29:30,245 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait_event [2022-07-21 12:29:30,245 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait_event [2022-07-21 12:29:30,245 INFO L130 BoogieDeclarations]: Found specification of procedure be_sgl_destroy_contiguous [2022-07-21 12:29:30,245 INFO L138 BoogieDeclarations]: Found implementation of procedure be_sgl_destroy_contiguous [2022-07-21 12:29:30,245 INFO L130 BoogieDeclarations]: Found specification of procedure be2iscsi_iface_get_param [2022-07-21 12:29:30,245 INFO L138 BoogieDeclarations]: Found implementation of procedure be2iscsi_iface_get_param [2022-07-21 12:29:30,246 INFO L130 BoogieDeclarations]: Found specification of procedure amap_set [2022-07-21 12:29:30,246 INFO L138 BoogieDeclarations]: Found implementation of procedure amap_set [2022-07-21 12:29:30,246 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2022-07-21 12:29:30,246 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2022-07-21 12:29:30,246 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2022-07-21 12:29:30,246 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2022-07-21 12:29:30,246 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-07-21 12:29:30,246 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-07-21 12:29:30,246 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_host_get [2022-07-21 12:29:30,246 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_host_get [2022-07-21 12:29:30,246 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_is_host_device [2022-07-21 12:29:30,246 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_is_host_device [2022-07-21 12:29:30,246 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_drvdata [2022-07-21 12:29:30,246 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_drvdata [2022-07-21 12:29:30,246 INFO L130 BoogieDeclarations]: Found specification of procedure beiscsi_free_ep [2022-07-21 12:29:30,246 INFO L138 BoogieDeclarations]: Found implementation of procedure beiscsi_free_ep [2022-07-21 12:29:30,246 INFO L130 BoogieDeclarations]: Found specification of procedure be_mcc_compl_process [2022-07-21 12:29:30,246 INFO L138 BoogieDeclarations]: Found implementation of procedure be_mcc_compl_process [2022-07-21 12:29:30,247 INFO L130 BoogieDeclarations]: Found specification of procedure beiscsi_parse_pdu [2022-07-21 12:29:30,247 INFO L138 BoogieDeclarations]: Found implementation of procedure beiscsi_parse_pdu [2022-07-21 12:29:30,247 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_target [2022-07-21 12:29:30,247 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_target [2022-07-21 12:29:30,247 INFO L130 BoogieDeclarations]: Found specification of procedure beiscsi_mccq_compl [2022-07-21 12:29:30,247 INFO L138 BoogieDeclarations]: Found implementation of procedure beiscsi_mccq_compl [2022-07-21 12:29:30,247 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2022-07-21 12:29:30,247 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2022-07-21 12:29:30,247 INFO L130 BoogieDeclarations]: Found specification of procedure beiscsi_unmap_pci_function [2022-07-21 12:29:30,247 INFO L138 BoogieDeclarations]: Found implementation of procedure beiscsi_unmap_pci_function [2022-07-21 12:29:30,247 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-21 12:29:30,247 INFO L130 BoogieDeclarations]: Found specification of procedure embedded_payload [2022-07-21 12:29:30,247 INFO L138 BoogieDeclarations]: Found implementation of procedure embedded_payload [2022-07-21 12:29:30,247 INFO L130 BoogieDeclarations]: Found specification of procedure hwi_build_be_sgl_arr [2022-07-21 12:29:30,247 INFO L138 BoogieDeclarations]: Found implementation of procedure hwi_build_be_sgl_arr [2022-07-21 12:29:30,247 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2022-07-21 12:29:30,247 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2022-07-21 12:29:30,247 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-21 12:29:30,248 INFO L130 BoogieDeclarations]: Found specification of procedure beiscsi_task_xmit [2022-07-21 12:29:30,248 INFO L138 BoogieDeclarations]: Found implementation of procedure beiscsi_task_xmit [2022-07-21 12:29:30,248 INFO L130 BoogieDeclarations]: Found specification of procedure beiscsi_conn_start [2022-07-21 12:29:30,248 INFO L138 BoogieDeclarations]: Found implementation of procedure beiscsi_conn_start [2022-07-21 12:29:30,248 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-07-21 12:29:30,248 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-07-21 12:29:30,248 INFO L130 BoogieDeclarations]: Found specification of procedure fls_long [2022-07-21 12:29:30,248 INFO L138 BoogieDeclarations]: Found implementation of procedure fls_long [2022-07-21 12:29:30,248 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-21 12:29:30,248 INFO L130 BoogieDeclarations]: Found specification of procedure nonembedded_sgl [2022-07-21 12:29:30,248 INFO L138 BoogieDeclarations]: Found implementation of procedure nonembedded_sgl [2022-07-21 12:29:30,248 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_dword [2022-07-21 12:29:30,248 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_dword [2022-07-21 12:29:30,248 INFO L130 BoogieDeclarations]: Found specification of procedure queue_tail_inc [2022-07-21 12:29:30,248 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_tail_inc [2022-07-21 12:29:30,248 INFO L130 BoogieDeclarations]: Found specification of procedure mgmt_modify_gateway [2022-07-21 12:29:30,248 INFO L138 BoogieDeclarations]: Found implementation of procedure mgmt_modify_gateway [2022-07-21 12:29:30,248 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2022-07-21 12:29:30,249 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2022-07-21 12:29:30,249 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2022-07-21 12:29:30,249 INFO L130 BoogieDeclarations]: Found specification of procedure beiscsi_get_macaddr [2022-07-21 12:29:30,249 INFO L138 BoogieDeclarations]: Found implementation of procedure beiscsi_get_macaddr [2022-07-21 12:29:30,249 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_host_put [2022-07-21 12:29:30,249 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_host_put [2022-07-21 12:29:30,249 INFO L130 BoogieDeclarations]: Found specification of procedure beiscsi_conn_get_stats [2022-07-21 12:29:30,249 INFO L138 BoogieDeclarations]: Found implementation of procedure beiscsi_conn_get_stats [2022-07-21 12:29:30,249 INFO L130 BoogieDeclarations]: Found specification of procedure be_sgl_create_contiguous [2022-07-21 12:29:30,249 INFO L138 BoogieDeclarations]: Found implementation of procedure be_sgl_create_contiguous [2022-07-21 12:29:30,249 INFO L130 BoogieDeclarations]: Found specification of procedure mgmt_get_all_if_id [2022-07-21 12:29:30,249 INFO L138 BoogieDeclarations]: Found implementation of procedure mgmt_get_all_if_id [2022-07-21 12:29:30,249 INFO L130 BoogieDeclarations]: Found specification of procedure beiscsi_clean_port [2022-07-21 12:29:30,249 INFO L138 BoogieDeclarations]: Found implementation of procedure beiscsi_clean_port [2022-07-21 12:29:30,249 INFO L130 BoogieDeclarations]: Found specification of procedure beiscsi_cmd_cq_create [2022-07-21 12:29:30,249 INFO L138 BoogieDeclarations]: Found implementation of procedure beiscsi_cmd_cq_create [2022-07-21 12:29:30,249 INFO L130 BoogieDeclarations]: Found specification of procedure be_chk_reset_complete [2022-07-21 12:29:30,249 INFO L138 BoogieDeclarations]: Found implementation of procedure be_chk_reset_complete [2022-07-21 12:29:30,250 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2022-07-21 12:29:30,250 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2022-07-21 12:29:30,250 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-07-21 12:29:30,250 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-07-21 12:29:30,250 INFO L130 BoogieDeclarations]: Found specification of procedure iscsi_boot_destroy_kset [2022-07-21 12:29:30,250 INFO L138 BoogieDeclarations]: Found implementation of procedure iscsi_boot_destroy_kset [2022-07-21 12:29:30,250 INFO L130 BoogieDeclarations]: Found specification of procedure free_mgmt_sgl_handle [2022-07-21 12:29:30,250 INFO L138 BoogieDeclarations]: Found implementation of procedure free_mgmt_sgl_handle [2022-07-21 12:29:30,250 INFO L130 BoogieDeclarations]: Found specification of procedure be_mbox_notify [2022-07-21 12:29:30,250 INFO L138 BoogieDeclarations]: Found implementation of procedure be_mbox_notify [2022-07-21 12:29:30,250 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_delayed_work [2022-07-21 12:29:30,250 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_delayed_work [2022-07-21 12:29:30,250 INFO L130 BoogieDeclarations]: Found specification of procedure mgmt_alloc_cmd_data [2022-07-21 12:29:30,250 INFO L138 BoogieDeclarations]: Found implementation of procedure mgmt_alloc_cmd_data [2022-07-21 12:29:30,250 INFO L130 BoogieDeclarations]: Found specification of procedure be2iscsi_attr_is_visible [2022-07-21 12:29:30,250 INFO L138 BoogieDeclarations]: Found implementation of procedure be2iscsi_attr_is_visible [2022-07-21 12:29:30,250 INFO L130 BoogieDeclarations]: Found specification of procedure beiscsi_bsg_request [2022-07-21 12:29:30,250 INFO L138 BoogieDeclarations]: Found implementation of procedure beiscsi_bsg_request [2022-07-21 12:29:30,251 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2022-07-21 12:29:30,251 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2022-07-21 12:29:30,253 INFO L130 BoogieDeclarations]: Found specification of procedure be_queue_alloc [2022-07-21 12:29:30,254 INFO L138 BoogieDeclarations]: Found implementation of procedure be_queue_alloc [2022-07-21 12:29:30,254 INFO L130 BoogieDeclarations]: Found specification of procedure shost_priv [2022-07-21 12:29:30,254 INFO L138 BoogieDeclarations]: Found implementation of procedure shost_priv [2022-07-21 12:29:30,254 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout [2022-07-21 12:29:30,254 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout [2022-07-21 12:29:30,254 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2022-07-21 12:29:30,254 INFO L130 BoogieDeclarations]: Found specification of procedure iscsi_create_iface [2022-07-21 12:29:30,254 INFO L138 BoogieDeclarations]: Found implementation of procedure iscsi_create_iface [2022-07-21 12:29:30,255 INFO L130 BoogieDeclarations]: Found specification of procedure queue_tail_node [2022-07-21 12:29:30,255 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_tail_node [2022-07-21 12:29:30,255 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2022-07-21 12:29:30,255 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2022-07-21 12:29:30,255 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-21 12:29:30,255 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-21 12:29:30,255 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2022-07-21 12:29:30,255 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2022-07-21 12:29:30,255 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2022-07-21 12:29:30,255 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2022-07-21 12:29:30,255 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-07-21 12:29:30,255 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-07-21 12:29:30,255 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-07-21 12:29:30,256 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-07-21 12:29:30,256 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-07-21 12:29:30,256 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-21 12:29:30,256 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-07-21 12:29:30,256 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-21 12:29:30,256 INFO L130 BoogieDeclarations]: Found specification of procedure beiscsi_get_host_param [2022-07-21 12:29:30,256 INFO L138 BoogieDeclarations]: Found implementation of procedure beiscsi_get_host_param [2022-07-21 12:29:30,256 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-21 12:29:30,256 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-21 12:29:30,256 INFO L130 BoogieDeclarations]: Found specification of procedure hwi_init_controller [2022-07-21 12:29:30,256 INFO L138 BoogieDeclarations]: Found implementation of procedure hwi_init_controller [2022-07-21 12:29:30,256 INFO L130 BoogieDeclarations]: Found specification of procedure hwi_cleanup [2022-07-21 12:29:30,256 INFO L138 BoogieDeclarations]: Found implementation of procedure hwi_cleanup [2022-07-21 12:29:30,256 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2022-07-21 12:29:30,256 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2022-07-21 12:29:30,256 INFO L130 BoogieDeclarations]: Found specification of procedure is_link_state_evt [2022-07-21 12:29:30,256 INFO L138 BoogieDeclarations]: Found implementation of procedure is_link_state_evt [2022-07-21 12:29:30,256 INFO L130 BoogieDeclarations]: Found specification of procedure hwi_free_async_msg [2022-07-21 12:29:30,256 INFO L138 BoogieDeclarations]: Found implementation of procedure hwi_free_async_msg [2022-07-21 12:29:30,256 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_workqueue [2022-07-21 12:29:30,257 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_workqueue [2022-07-21 12:29:30,257 INFO L130 BoogieDeclarations]: Found specification of procedure be_cmd_hdr_prepare [2022-07-21 12:29:30,257 INFO L138 BoogieDeclarations]: Found implementation of procedure be_cmd_hdr_prepare [2022-07-21 12:29:30,257 INFO L130 BoogieDeclarations]: Found specification of procedure beiscsi_msix_enable [2022-07-21 12:29:30,257 INFO L138 BoogieDeclarations]: Found implementation of procedure beiscsi_msix_enable [2022-07-21 12:29:30,257 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_bufflen [2022-07-21 12:29:30,257 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_bufflen [2022-07-21 12:29:30,257 INFO L130 BoogieDeclarations]: Found specification of procedure mgmt_invalidate_icds [2022-07-21 12:29:30,257 INFO L138 BoogieDeclarations]: Found implementation of procedure mgmt_invalidate_icds [2022-07-21 12:29:30,257 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-07-21 12:29:30,257 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-07-21 12:29:30,257 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work_on [2022-07-21 12:29:30,257 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work_on [2022-07-21 12:29:30,257 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-07-21 12:29:30,257 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-07-21 12:29:30,257 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-21 12:29:30,257 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-21 12:29:30,257 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_irq_2 [2022-07-21 12:29:30,257 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_irq_2 [2022-07-21 12:29:30,257 INFO L130 BoogieDeclarations]: Found specification of procedure be2iscsi_iface_set_param [2022-07-21 12:29:30,258 INFO L138 BoogieDeclarations]: Found implementation of procedure be2iscsi_iface_set_param [2022-07-21 12:29:30,258 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-07-21 12:29:30,258 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-07-21 12:29:30,258 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_msix [2022-07-21 12:29:30,258 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_msix [2022-07-21 12:29:30,258 INFO L130 BoogieDeclarations]: Found specification of procedure mgmt_set_vlan [2022-07-21 12:29:30,258 INFO L138 BoogieDeclarations]: Found implementation of procedure mgmt_set_vlan [2022-07-21 12:29:30,258 INFO L130 BoogieDeclarations]: Found specification of procedure hwi_update_async_writables [2022-07-21 12:29:30,258 INFO L138 BoogieDeclarations]: Found implementation of procedure hwi_update_async_writables [2022-07-21 12:29:30,258 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2022-07-21 12:29:30,258 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2022-07-21 12:29:30,258 INFO L130 BoogieDeclarations]: Found specification of procedure beiscsi_alloc_pdu [2022-07-21 12:29:30,258 INFO L138 BoogieDeclarations]: Found implementation of procedure beiscsi_alloc_pdu [2022-07-21 12:29:30,258 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2022-07-21 12:29:30,258 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2022-07-21 12:29:30,258 INFO L130 BoogieDeclarations]: Found specification of procedure beiscsi_ep_connect [2022-07-21 12:29:30,258 INFO L138 BoogieDeclarations]: Found implementation of procedure beiscsi_ep_connect [2022-07-21 12:29:30,258 INFO L130 BoogieDeclarations]: Found specification of procedure iscsi_session_recovery_timedout [2022-07-21 12:29:30,258 INFO L138 BoogieDeclarations]: Found implementation of procedure iscsi_session_recovery_timedout [2022-07-21 12:29:30,259 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2022-07-21 12:29:30,259 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2022-07-21 12:29:30,259 INFO L130 BoogieDeclarations]: Found specification of procedure iscsi_unregister_transport [2022-07-21 12:29:30,259 INFO L138 BoogieDeclarations]: Found implementation of procedure iscsi_unregister_transport [2022-07-21 12:29:30,259 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-21 12:29:30,259 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-07-21 12:29:30,259 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-07-21 12:29:30,259 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2022-07-21 12:29:30,259 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2022-07-21 12:29:30,259 INFO L130 BoogieDeclarations]: Found specification of procedure beiscsi_quiesce [2022-07-21 12:29:30,259 INFO L138 BoogieDeclarations]: Found implementation of procedure beiscsi_quiesce [2022-07-21 12:29:30,259 INFO L130 BoogieDeclarations]: Found specification of procedure blk_iopoll_enable [2022-07-21 12:29:30,259 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_iopoll_enable [2022-07-21 12:29:30,259 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_work_6 [2022-07-21 12:29:30,259 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_work_6 [2022-07-21 12:29:30,259 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-21 12:29:30,259 INFO L130 BoogieDeclarations]: Found specification of procedure blk_iopoll_disable [2022-07-21 12:29:30,259 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_iopoll_disable [2022-07-21 12:29:30,259 INFO L130 BoogieDeclarations]: Found specification of procedure iscsi_host_for_each_session [2022-07-21 12:29:30,259 INFO L138 BoogieDeclarations]: Found implementation of procedure iscsi_host_for_each_session [2022-07-21 12:29:30,260 INFO L130 BoogieDeclarations]: Found specification of procedure mgmt_get_gateway [2022-07-21 12:29:30,260 INFO L138 BoogieDeclarations]: Found implementation of procedure mgmt_get_gateway [2022-07-21 12:29:30,260 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2022-07-21 12:29:30,260 INFO L130 BoogieDeclarations]: Found specification of procedure beiscsi_conn_create [2022-07-21 12:29:30,260 INFO L138 BoogieDeclarations]: Found implementation of procedure beiscsi_conn_create [2022-07-21 12:29:30,260 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-07-21 12:29:30,260 INFO L130 BoogieDeclarations]: Found specification of procedure mgmt_get_if_info [2022-07-21 12:29:30,260 INFO L138 BoogieDeclarations]: Found implementation of procedure mgmt_get_if_info [2022-07-21 12:29:30,260 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-07-21 12:29:30,260 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-07-21 12:29:30,260 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_wrb_handle [2022-07-21 12:29:30,260 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_wrb_handle [2022-07-21 12:29:30,260 INFO L130 BoogieDeclarations]: Found specification of procedure blk_iopoll_sched_prep [2022-07-21 12:29:30,260 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_iopoll_sched_prep [2022-07-21 12:29:30,260 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-21 12:29:30,260 INFO L130 BoogieDeclarations]: Found specification of procedure beiscsi_error [2022-07-21 12:29:30,260 INFO L138 BoogieDeclarations]: Found implementation of procedure beiscsi_error [2022-07-21 12:29:30,260 INFO L130 BoogieDeclarations]: Found specification of procedure be_fill_queue [2022-07-21 12:29:30,260 INFO L138 BoogieDeclarations]: Found implementation of procedure be_fill_queue [2022-07-21 12:29:30,261 INFO L130 BoogieDeclarations]: Found specification of procedure beiscsi_get_params [2022-07-21 12:29:30,261 INFO L138 BoogieDeclarations]: Found implementation of procedure beiscsi_get_params [2022-07-21 12:29:30,261 INFO L130 BoogieDeclarations]: Found specification of procedure be_mcc_notify [2022-07-21 12:29:30,261 INFO L138 BoogieDeclarations]: Found implementation of procedure be_mcc_notify [2022-07-21 12:29:30,261 INFO L130 BoogieDeclarations]: Found specification of procedure beiscsi_async_link_state_process [2022-07-21 12:29:30,261 INFO L138 BoogieDeclarations]: Found implementation of procedure beiscsi_async_link_state_process [2022-07-21 12:29:30,261 INFO L130 BoogieDeclarations]: Found specification of procedure nla_data [2022-07-21 12:29:30,261 INFO L138 BoogieDeclarations]: Found implementation of procedure nla_data [2022-07-21 12:29:30,261 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-07-21 12:29:30,261 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-07-21 12:29:30,261 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2022-07-21 12:29:30,261 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2022-07-21 12:29:30,261 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2022-07-21 12:29:30,261 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2022-07-21 12:29:30,261 INFO L130 BoogieDeclarations]: Found specification of procedure beiscsi_setup_boot_info [2022-07-21 12:29:30,261 INFO L138 BoogieDeclarations]: Found implementation of procedure beiscsi_setup_boot_info [2022-07-21 12:29:30,261 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2022-07-21 12:29:30,261 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2022-07-21 12:29:30,261 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2022-07-21 12:29:30,262 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2022-07-21 12:29:30,262 INFO L130 BoogieDeclarations]: Found specification of procedure mgmt_set_ip [2022-07-21 12:29:30,262 INFO L138 BoogieDeclarations]: Found implementation of procedure mgmt_set_ip [2022-07-21 12:29:30,262 INFO L130 BoogieDeclarations]: Found specification of procedure hwi_ring_cq_db [2022-07-21 12:29:30,262 INFO L138 BoogieDeclarations]: Found implementation of procedure hwi_ring_cq_db [2022-07-21 12:29:30,262 INFO L130 BoogieDeclarations]: Found specification of procedure hwi_write_buffer [2022-07-21 12:29:30,262 INFO L138 BoogieDeclarations]: Found implementation of procedure hwi_write_buffer [2022-07-21 12:29:30,262 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_dma_unmap [2022-07-21 12:29:30,262 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_dma_unmap [2022-07-21 12:29:30,264 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_format_mac [2022-07-21 12:29:30,264 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_format_mac [2022-07-21 12:29:30,264 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2022-07-21 12:29:30,264 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2022-07-21 12:29:30,265 INFO L130 BoogieDeclarations]: Found specification of procedure beiscsi_set_param [2022-07-21 12:29:30,265 INFO L138 BoogieDeclarations]: Found implementation of procedure beiscsi_set_param [2022-07-21 12:29:30,265 INFO L130 BoogieDeclarations]: Found specification of procedure hwi_get_async_handle [2022-07-21 12:29:30,265 INFO L138 BoogieDeclarations]: Found implementation of procedure hwi_get_async_handle [2022-07-21 12:29:30,265 INFO L130 BoogieDeclarations]: Found specification of procedure iscsi_destroy_iface [2022-07-21 12:29:30,265 INFO L138 BoogieDeclarations]: Found implementation of procedure iscsi_destroy_iface [2022-07-21 12:29:30,265 INFO L130 BoogieDeclarations]: Found specification of procedure free_wrb_handle [2022-07-21 12:29:30,265 INFO L138 BoogieDeclarations]: Found implementation of procedure free_wrb_handle [2022-07-21 12:29:30,265 INFO L130 BoogieDeclarations]: Found specification of procedure be_mbox_db_ready_wait [2022-07-21 12:29:30,265 INFO L138 BoogieDeclarations]: Found implementation of procedure be_mbox_db_ready_wait [2022-07-21 12:29:30,265 INFO L130 BoogieDeclarations]: Found specification of procedure synchronize_irq [2022-07-21 12:29:30,265 INFO L138 BoogieDeclarations]: Found implementation of procedure synchronize_irq [2022-07-21 12:29:30,265 INFO L130 BoogieDeclarations]: Found specification of procedure beiscsi_cmd_q_destroy [2022-07-21 12:29:30,265 INFO L138 BoogieDeclarations]: Found implementation of procedure beiscsi_cmd_q_destroy [2022-07-21 12:29:30,265 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-21 12:29:30,265 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-21 12:29:30,265 INFO L130 BoogieDeclarations]: Found specification of procedure hwi_post_async_buffers [2022-07-21 12:29:30,265 INFO L138 BoogieDeclarations]: Found implementation of procedure hwi_post_async_buffers [2022-07-21 12:29:30,265 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_irq_2 [2022-07-21 12:29:30,265 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_irq_2 [2022-07-21 12:29:30,266 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2022-07-21 12:29:30,266 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2022-07-21 12:29:30,266 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-07-21 12:29:30,266 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2022-07-21 12:29:30,266 INFO L130 BoogieDeclarations]: Found specification of procedure be_complete_nopin_resp [2022-07-21 12:29:30,266 INFO L138 BoogieDeclarations]: Found implementation of procedure be_complete_nopin_resp [2022-07-21 12:29:30,266 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-21 12:29:30,266 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-21 12:29:30,266 INFO L130 BoogieDeclarations]: Found specification of procedure find_num_cpus [2022-07-21 12:29:30,266 INFO L138 BoogieDeclarations]: Found implementation of procedure find_num_cpus [2022-07-21 12:29:30,266 INFO L130 BoogieDeclarations]: Found specification of procedure beiscsi_eeh_reset [2022-07-21 12:29:30,266 INFO L138 BoogieDeclarations]: Found implementation of procedure beiscsi_eeh_reset [2022-07-21 12:29:30,266 INFO L130 BoogieDeclarations]: Found specification of procedure beiscsi_ep_get_param [2022-07-21 12:29:30,266 INFO L138 BoogieDeclarations]: Found implementation of procedure beiscsi_ep_get_param [2022-07-21 12:29:30,266 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dev_put [2022-07-21 12:29:30,266 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dev_put [2022-07-21 12:29:30,266 INFO L130 BoogieDeclarations]: Found specification of procedure __ilog2_u32 [2022-07-21 12:29:30,266 INFO L138 BoogieDeclarations]: Found implementation of procedure __ilog2_u32 [2022-07-21 12:29:30,267 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2022-07-21 12:29:30,267 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2022-07-21 12:29:30,267 INFO L130 BoogieDeclarations]: Found specification of procedure hwi_ring_eq_db [2022-07-21 12:29:30,267 INFO L138 BoogieDeclarations]: Found implementation of procedure hwi_ring_eq_db [2022-07-21 12:29:30,267 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2022-07-21 12:29:30,267 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2022-07-21 12:29:30,267 INFO L130 BoogieDeclarations]: Found specification of procedure iscsi_host_free [2022-07-21 12:29:30,267 INFO L138 BoogieDeclarations]: Found implementation of procedure iscsi_host_free [2022-07-21 12:29:30,267 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2022-07-21 12:29:30,267 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2022-07-21 12:29:30,267 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_3 [2022-07-21 12:29:30,267 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_3 [2022-07-21 12:29:30,267 INFO L130 BoogieDeclarations]: Found specification of procedure beiscsi_create_ipv4_iface [2022-07-21 12:29:30,267 INFO L138 BoogieDeclarations]: Found implementation of procedure beiscsi_create_ipv4_iface [2022-07-21 12:29:30,267 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_2 [2022-07-21 12:29:30,267 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_2 [2022-07-21 12:29:30,267 INFO L130 BoogieDeclarations]: Found specification of procedure dev_to_shost [2022-07-21 12:29:30,267 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_to_shost [2022-07-21 12:29:30,268 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2022-07-21 12:29:30,268 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2022-07-21 12:29:30,268 INFO L130 BoogieDeclarations]: Found specification of procedure iscsi_destroy_endpoint [2022-07-21 12:29:30,268 INFO L138 BoogieDeclarations]: Found implementation of procedure iscsi_destroy_endpoint [2022-07-21 12:29:30,268 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_9 [2022-07-21 12:29:30,268 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_9 [2022-07-21 12:29:30,268 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_all_6 [2022-07-21 12:29:30,268 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_all_6 [2022-07-21 12:29:30,268 INFO L130 BoogieDeclarations]: Found specification of procedure iscsi_conn_teardown [2022-07-21 12:29:30,268 INFO L138 BoogieDeclarations]: Found implementation of procedure iscsi_conn_teardown [2022-07-21 12:29:30,268 INFO L130 BoogieDeclarations]: Found specification of procedure blk_iopoll_sched [2022-07-21 12:29:30,268 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_iopoll_sched [2022-07-21 12:29:30,268 INFO L130 BoogieDeclarations]: Found specification of procedure beiscsi_ep_poll [2022-07-21 12:29:30,268 INFO L138 BoogieDeclarations]: Found implementation of procedure beiscsi_ep_poll [2022-07-21 12:29:30,268 INFO L130 BoogieDeclarations]: Found specification of procedure beiscsi_conn_bind [2022-07-21 12:29:30,268 INFO L138 BoogieDeclarations]: Found implementation of procedure beiscsi_conn_bind [2022-07-21 12:29:30,268 INFO L130 BoogieDeclarations]: Found specification of procedure wrb_from_mbox [2022-07-21 12:29:30,268 INFO L138 BoogieDeclarations]: Found implementation of procedure wrb_from_mbox [2022-07-21 12:29:30,268 INFO L130 BoogieDeclarations]: Found specification of procedure amap_mask [2022-07-21 12:29:30,268 INFO L138 BoogieDeclarations]: Found implementation of procedure amap_mask [2022-07-21 12:29:30,269 INFO L130 BoogieDeclarations]: Found specification of procedure beiscsi_create_ipv6_iface [2022-07-21 12:29:30,269 INFO L138 BoogieDeclarations]: Found implementation of procedure beiscsi_create_ipv6_iface [2022-07-21 12:29:30,269 INFO L130 BoogieDeclarations]: Found specification of procedure be_cmd_create_default_pdu_queue [2022-07-21 12:29:30,269 INFO L138 BoogieDeclarations]: Found implementation of procedure be_cmd_create_default_pdu_queue [2022-07-21 12:29:30,269 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2022-07-21 12:29:30,269 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2022-07-21 12:29:30,269 INFO L130 BoogieDeclarations]: Found specification of procedure be_encoded_q_len [2022-07-21 12:29:30,269 INFO L138 BoogieDeclarations]: Found implementation of procedure be_encoded_q_len [2022-07-21 12:29:30,269 INFO L130 BoogieDeclarations]: Found specification of procedure hwi_fwd_async_msg [2022-07-21 12:29:30,269 INFO L138 BoogieDeclarations]: Found implementation of procedure hwi_fwd_async_msg [2022-07-21 12:29:30,269 INFO L130 BoogieDeclarations]: Found specification of procedure mgmt_static_ip_modify [2022-07-21 12:29:30,269 INFO L138 BoogieDeclarations]: Found implementation of procedure mgmt_static_ip_modify [2022-07-21 12:29:30,269 INFO L130 BoogieDeclarations]: Found specification of procedure hwi_process_default_pdu_ring [2022-07-21 12:29:30,269 INFO L138 BoogieDeclarations]: Found implementation of procedure hwi_process_default_pdu_ring [2022-07-21 12:29:30,269 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-07-21 12:29:30,269 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-07-21 12:29:30,269 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2022-07-21 12:29:30,269 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2022-07-21 12:29:30,269 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2022-07-21 12:29:30,270 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2022-07-21 12:29:30,270 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work [2022-07-21 12:29:30,270 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work [2022-07-21 12:29:30,270 INFO L130 BoogieDeclarations]: Found specification of procedure beiscsi_free_mgmt_task_handles [2022-07-21 12:29:30,270 INFO L138 BoogieDeclarations]: Found implementation of procedure beiscsi_free_mgmt_task_handles [2022-07-21 12:29:30,270 INFO L130 BoogieDeclarations]: Found specification of procedure dma_pool_free [2022-07-21 12:29:30,270 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_pool_free [2022-07-21 12:29:31,981 INFO L234 CfgBuilder]: Building ICFG [2022-07-21 12:29:31,986 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-21 12:29:32,504 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-21 12:32:22,383 INFO L275 CfgBuilder]: Performing block encoding [2022-07-21 12:32:22,413 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-21 12:32:22,414 INFO L299 CfgBuilder]: Removed 3 assume(true) statements. [2022-07-21 12:32:22,421 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 12:32:22 BoogieIcfgContainer [2022-07-21 12:32:22,421 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-21 12:32:22,423 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-21 12:32:22,423 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-21 12:32:22,426 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-21 12:32:22,426 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.07 12:29:19" (1/3) ... [2022-07-21 12:32:22,427 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5cb60d64 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 12:32:22, skipping insertion in model container [2022-07-21 12:32:22,427 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:29:28" (2/3) ... [2022-07-21 12:32:22,427 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5cb60d64 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 12:32:22, skipping insertion in model container [2022-07-21 12:32:22,427 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 12:32:22" (3/3) ... [2022-07-21 12:32:22,430 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-32_7a-drivers--scsi--be2iscsi--be2iscsi.ko-entry_point.cil.out.i [2022-07-21 12:32:22,447 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-21 12:32:22,448 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-21 12:32:22,560 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-21 12:32:22,564 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@55d0e54, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@3d6d4859 [2022-07-21 12:32:22,565 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-21 12:32:22,583 INFO L276 IsEmpty]: Start isEmpty. Operand has 6300 states, 4422 states have (on average 1.3943916779737675) internal successors, (6166), 4524 states have internal predecessors, (6166), 1647 states have call successors, (1647), 231 states have call predecessors, (1647), 230 states have return successors, (1625), 1611 states have call predecessors, (1625), 1625 states have call successors, (1625) [2022-07-21 12:32:22,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 939 [2022-07-21 12:32:22,631 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 12:32:22,632 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] [2022-07-21 12:32:22,633 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 12:32:22,638 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 12:32:22,638 INFO L85 PathProgramCache]: Analyzing trace with hash -1503970682, now seen corresponding path program 1 times [2022-07-21 12:32:22,657 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 12:32:22,657 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1436705560] [2022-07-21 12:32:22,657 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 12:32:22,658 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 12:32:22,658 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 12:32:22,667 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) [2022-07-21 12:32:22,673 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-07-21 12:32:27,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:32:27,605 INFO L263 TraceCheckSpWp]: Trace formula consists of 7875 conjuncts, 1 conjunts are in the unsatisfiable core [2022-07-21 12:32:27,628 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 12:32:27,691 INFO L134 CoverageAnalysis]: Checked inductivity of 13299 backedges. 5256 proven. 0 refuted. 0 times theorem prover too weak. 8043 trivial. 0 not checked. [2022-07-21 12:32:27,692 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 12:32:27,692 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 12:32:27,692 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1436705560] [2022-07-21 12:32:27,693 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1436705560] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 12:32:27,693 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 12:32:27,693 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-21 12:32:27,694 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1131621124] [2022-07-21 12:32:27,695 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 12:32:27,699 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-07-21 12:32:27,699 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 12:32:27,715 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-07-21 12:32:27,716 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-07-21 12:32:27,727 INFO L87 Difference]: Start difference. First operand has 6300 states, 4422 states have (on average 1.3943916779737675) internal successors, (6166), 4524 states have internal predecessors, (6166), 1647 states have call successors, (1647), 231 states have call predecessors, (1647), 230 states have return successors, (1625), 1611 states have call predecessors, (1625), 1625 states have call successors, (1625) Second operand has 2 states, 2 states have (on average 57.5) internal successors, (115), 2 states have internal predecessors, (115), 2 states have call successors, (72), 2 states have call predecessors, (72), 2 states have return successors, (72), 2 states have call predecessors, (72), 2 states have call successors, (72) [2022-07-21 12:32:28,125 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 12:32:28,125 INFO L93 Difference]: Finished difference Result 12592 states and 19099 transitions. [2022-07-21 12:32:28,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-07-21 12:32:28,127 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 [2022-07-21 12:32:28,127 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 12:32:28,164 INFO L225 Difference]: With dead ends: 12592 [2022-07-21 12:32:28,164 INFO L226 Difference]: Without dead ends: 6261 [2022-07-21 12:32:28,195 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 [2022-07-21 12:32:28,197 INFO L413 NwaCegarLoop]: 9423 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 9423 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-21 12:32:28,197 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 9423 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-21 12:32:28,216 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6261 states. [2022-07-21 12:32:28,391 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6261 to 6261. [2022-07-21 12:32:28,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6261 states, 4409 states have (on average 1.3878430483102744) internal successors, (6119), 4484 states have internal predecessors, (6119), 1622 states have call successors, (1622), 230 states have call predecessors, (1622), 229 states have return successors, (1619), 1605 states have call predecessors, (1619), 1619 states have call successors, (1619) [2022-07-21 12:32:28,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6261 states to 6261 states and 9360 transitions. [2022-07-21 12:32:28,437 INFO L78 Accepts]: Start accepts. Automaton has 6261 states and 9360 transitions. Word has length 938 [2022-07-21 12:32:28,437 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 12:32:28,437 INFO L495 AbstractCegarLoop]: Abstraction has 6261 states and 9360 transitions. [2022-07-21 12:32:28,438 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) [2022-07-21 12:32:28,438 INFO L276 IsEmpty]: Start isEmpty. Operand 6261 states and 9360 transitions. [2022-07-21 12:32:28,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 939 [2022-07-21 12:32:28,457 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 12:32:28,458 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] [2022-07-21 12:32:28,554 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Ended with exit code 0 [2022-07-21 12:32:28,683 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 12:32:28,684 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 12:32:28,685 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 12:32:28,685 INFO L85 PathProgramCache]: Analyzing trace with hash -1192103340, now seen corresponding path program 1 times [2022-07-21 12:32:28,689 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 12:32:28,689 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1288538363] [2022-07-21 12:32:28,689 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 12:32:28,689 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 12:32:28,689 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 12:32:28,690 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) [2022-07-21 12:32:28,692 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-07-21 12:32:36,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:32:36,712 INFO L263 TraceCheckSpWp]: Trace formula consists of 7875 conjuncts, 5 conjunts are in the unsatisfiable core [2022-07-21 12:32:36,727 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 12:32:37,199 INFO L134 CoverageAnalysis]: Checked inductivity of 13299 backedges. 225 proven. 0 refuted. 0 times theorem prover too weak. 13074 trivial. 0 not checked. [2022-07-21 12:32:37,199 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 12:32:37,200 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 12:32:37,200 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1288538363] [2022-07-21 12:32:37,200 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1288538363] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 12:32:37,200 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 12:32:37,200 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-21 12:32:37,200 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1966654443] [2022-07-21 12:32:37,200 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 12:32:37,202 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-21 12:32:37,202 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 12:32:37,202 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-21 12:32:37,203 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-21 12:32:37,203 INFO L87 Difference]: Start difference. First operand 6261 states and 9360 transitions. Second operand has 6 states, 5 states have (on average 22.2) internal successors, (111), 6 states have internal predecessors, (111), 3 states have call successors, (71), 2 states have call predecessors, (71), 4 states have return successors, (70), 3 states have call predecessors, (70), 3 states have call successors, (70) [2022-07-21 12:32:40,483 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 12:32:40,484 INFO L93 Difference]: Finished difference Result 12446 states and 18811 transitions. [2022-07-21 12:32:40,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-21 12:32:40,485 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 [2022-07-21 12:32:40,486 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 12:32:40,522 INFO L225 Difference]: With dead ends: 12446 [2022-07-21 12:32:40,523 INFO L226 Difference]: Without dead ends: 6264 [2022-07-21 12:32:40,557 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 [2022-07-21 12:32:40,559 INFO L413 NwaCegarLoop]: 9327 mSDtfsCounter, 6 mSDsluCounter, 37201 mSDsCounter, 0 mSdLazyCounter, 267 mSolverCounterSat, 67 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 46528 SdHoareTripleChecker+Invalid, 334 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 67 IncrementalHoareTripleChecker+Valid, 267 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2022-07-21 12:32:40,559 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 46528 Invalid, 334 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [67 Valid, 267 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2022-07-21 12:32:40,568 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6264 states. [2022-07-21 12:32:40,721 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6264 to 6264. [2022-07-21 12:32:40,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6264 states, 4411 states have (on average 1.3878939016096123) internal successors, (6122), 4487 states have internal predecessors, (6122), 1622 states have call successors, (1622), 230 states have call predecessors, (1622), 230 states have return successors, (1623), 1605 states have call predecessors, (1623), 1619 states have call successors, (1623) [2022-07-21 12:32:40,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6264 states to 6264 states and 9367 transitions. [2022-07-21 12:32:40,755 INFO L78 Accepts]: Start accepts. Automaton has 6264 states and 9367 transitions. Word has length 938 [2022-07-21 12:32:40,757 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 12:32:40,758 INFO L495 AbstractCegarLoop]: Abstraction has 6264 states and 9367 transitions. [2022-07-21 12:32:40,758 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) [2022-07-21 12:32:40,758 INFO L276 IsEmpty]: Start isEmpty. Operand 6264 states and 9367 transitions. [2022-07-21 12:32:40,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 965 [2022-07-21 12:32:40,766 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 12:32:40,767 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] [2022-07-21 12:32:40,882 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-07-21 12:32:40,983 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 12:32:40,984 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 12:32:40,984 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 12:32:40,985 INFO L85 PathProgramCache]: Analyzing trace with hash -1227342686, now seen corresponding path program 1 times [2022-07-21 12:32:40,989 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 12:32:40,989 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1284881860] [2022-07-21 12:32:40,989 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 12:32:40,989 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 12:32:40,989 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 12:32:40,992 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) [2022-07-21 12:32:40,994 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-07-21 12:32:48,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:32:48,982 INFO L263 TraceCheckSpWp]: Trace formula consists of 8161 conjuncts, 6 conjunts are in the unsatisfiable core [2022-07-21 12:32:48,996 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 12:32:49,500 INFO L134 CoverageAnalysis]: Checked inductivity of 14300 backedges. 300 proven. 1 refuted. 0 times theorem prover too weak. 13999 trivial. 0 not checked. [2022-07-21 12:32:49,501 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-21 12:32:51,675 INFO L134 CoverageAnalysis]: Checked inductivity of 14300 backedges. 0 proven. 251 refuted. 0 times theorem prover too weak. 14049 trivial. 0 not checked. [2022-07-21 12:32:51,675 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 12:32:51,676 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1284881860] [2022-07-21 12:32:51,676 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1284881860] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-21 12:32:51,676 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-07-21 12:32:51,676 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 11 [2022-07-21 12:32:51,676 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1343223093] [2022-07-21 12:32:51,676 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-07-21 12:32:51,679 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-07-21 12:32:51,679 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 12:32:51,679 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-07-21 12:32:51,679 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2022-07-21 12:32:51,680 INFO L87 Difference]: Start difference. First operand 6264 states and 9367 transitions. Second operand has 11 states, 9 states have (on average 14.222222222222221) internal successors, (128), 11 states have internal predecessors, (128), 4 states have call successors, (99), 2 states have call predecessors, (99), 5 states have return successors, (99), 4 states have call predecessors, (99), 4 states have call successors, (99) [2022-07-21 12:32:56,475 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 12:32:56,475 INFO L93 Difference]: Finished difference Result 12462 states and 18840 transitions. [2022-07-21 12:32:56,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-07-21 12:32:56,476 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 [2022-07-21 12:32:56,477 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 12:32:56,506 INFO L225 Difference]: With dead ends: 12462 [2022-07-21 12:32:56,506 INFO L226 Difference]: Without dead ends: 6280 [2022-07-21 12:32:56,529 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1930 GetRequests, 1917 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=52, Invalid=158, Unknown=0, NotChecked=0, Total=210 [2022-07-21 12:32:56,530 INFO L413 NwaCegarLoop]: 9331 mSDtfsCounter, 20 mSDsluCounter, 37165 mSDsCounter, 0 mSdLazyCounter, 381 mSolverCounterSat, 128 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 46496 SdHoareTripleChecker+Invalid, 509 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 128 IncrementalHoareTripleChecker+Valid, 381 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.8s IncrementalHoareTripleChecker+Time [2022-07-21 12:32:56,531 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 46496 Invalid, 509 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [128 Valid, 381 Invalid, 0 Unknown, 0 Unchecked, 3.8s Time] [2022-07-21 12:32:56,538 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6280 states. [2022-07-21 12:32:56,673 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6280 to 6280. [2022-07-21 12:32:56,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6280 states, 4422 states have (on average 1.387381275440977) internal successors, (6135), 4498 states have internal predecessors, (6135), 1624 states have call successors, (1624), 233 states have call predecessors, (1624), 233 states have return successors, (1629), 1607 states have call predecessors, (1629), 1621 states have call successors, (1629) [2022-07-21 12:32:56,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6280 states to 6280 states and 9388 transitions. [2022-07-21 12:32:56,699 INFO L78 Accepts]: Start accepts. Automaton has 6280 states and 9388 transitions. Word has length 964 [2022-07-21 12:32:56,702 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 12:32:56,702 INFO L495 AbstractCegarLoop]: Abstraction has 6280 states and 9388 transitions. [2022-07-21 12:32:56,703 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) [2022-07-21 12:32:56,703 INFO L276 IsEmpty]: Start isEmpty. Operand 6280 states and 9388 transitions. [2022-07-21 12:32:56,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 990 [2022-07-21 12:32:56,710 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 12:32:56,711 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] [2022-07-21 12:32:56,813 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-07-21 12:32:56,927 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 12:32:56,928 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 12:32:56,928 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 12:32:56,928 INFO L85 PathProgramCache]: Analyzing trace with hash -1037034033, now seen corresponding path program 2 times [2022-07-21 12:32:56,932 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 12:32:56,932 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [65022263] [2022-07-21 12:32:56,932 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-07-21 12:32:56,933 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 12:32:56,933 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 12:32:56,934 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) [2022-07-21 12:32:56,936 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-07-21 12:33:00,265 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-07-21 12:33:00,266 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-21 12:33:00,383 INFO L263 TraceCheckSpWp]: Trace formula consists of 5139 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-21 12:33:00,395 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 12:33:00,686 INFO L134 CoverageAnalysis]: Checked inductivity of 15900 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15900 trivial. 0 not checked. [2022-07-21 12:33:00,690 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 12:33:00,690 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 12:33:00,690 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [65022263] [2022-07-21 12:33:00,690 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [65022263] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 12:33:00,690 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 12:33:00,690 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-21 12:33:00,691 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2112408586] [2022-07-21 12:33:00,691 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 12:33:00,691 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 12:33:00,691 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 12:33:00,692 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 12:33:00,692 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 12:33:00,692 INFO L87 Difference]: Start difference. First operand 6280 states and 9388 transitions. Second operand has 3 states, 3 states have (on average 35.333333333333336) internal successors, (106), 3 states have internal predecessors, (106), 2 states have call successors, (70), 2 states have call predecessors, (70), 2 states have return successors, (69), 2 states have call predecessors, (69), 2 states have call successors, (69) [2022-07-21 12:33:01,409 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 12:33:01,409 INFO L93 Difference]: Finished difference Result 18480 states and 27654 transitions. [2022-07-21 12:33:01,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 12:33:01,410 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 [2022-07-21 12:33:01,411 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 12:33:01,492 INFO L225 Difference]: With dead ends: 18480 [2022-07-21 12:33:01,492 INFO L226 Difference]: Without dead ends: 12354 [2022-07-21 12:33:01,521 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 [2022-07-21 12:33:01,523 INFO L413 NwaCegarLoop]: 10911 mSDtfsCounter, 9090 mSDsluCounter, 9327 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9090 SdHoareTripleChecker+Valid, 20238 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-07-21 12:33:01,524 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9090 Valid, 20238 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-07-21 12:33:01,541 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12354 states. [2022-07-21 12:33:01,903 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12354 to 12352. [2022-07-21 12:33:01,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12352 states, 8726 states have (on average 1.3915883566353426) internal successors, (12143), 8876 states have internal predecessors, (12143), 3163 states have call successors, (3163), 461 states have call predecessors, (3163), 462 states have return successors, (3172), 3132 states have call predecessors, (3172), 3160 states have call successors, (3172) [2022-07-21 12:33:01,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12352 states to 12352 states and 18478 transitions. [2022-07-21 12:33:01,964 INFO L78 Accepts]: Start accepts. Automaton has 12352 states and 18478 transitions. Word has length 989 [2022-07-21 12:33:01,966 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 12:33:01,966 INFO L495 AbstractCegarLoop]: Abstraction has 12352 states and 18478 transitions. [2022-07-21 12:33:01,966 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) [2022-07-21 12:33:01,966 INFO L276 IsEmpty]: Start isEmpty. Operand 12352 states and 18478 transitions. [2022-07-21 12:33:01,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 994 [2022-07-21 12:33:01,974 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 12:33:01,975 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] [2022-07-21 12:33:02,044 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2022-07-21 12:33:02,199 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 12:33:02,200 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 12:33:02,200 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 12:33:02,200 INFO L85 PathProgramCache]: Analyzing trace with hash -244048763, now seen corresponding path program 1 times [2022-07-21 12:33:02,204 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 12:33:02,204 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [442447158] [2022-07-21 12:33:02,205 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 12:33:02,205 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 12:33:02,205 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 12:33:02,216 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) [2022-07-21 12:33:02,268 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-07-21 12:33:10,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:33:10,794 INFO L263 TraceCheckSpWp]: Trace formula consists of 8443 conjuncts, 7 conjunts are in the unsatisfiable core [2022-07-21 12:33:10,827 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 12:33:11,481 INFO L134 CoverageAnalysis]: Checked inductivity of 15900 backedges. 422 proven. 3 refuted. 0 times theorem prover too weak. 15475 trivial. 0 not checked. [2022-07-21 12:33:11,481 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-21 12:33:14,124 INFO L134 CoverageAnalysis]: Checked inductivity of 15900 backedges. 0 proven. 375 refuted. 0 times theorem prover too weak. 15525 trivial. 0 not checked. [2022-07-21 12:33:14,124 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 12:33:14,124 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [442447158] [2022-07-21 12:33:14,124 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [442447158] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-21 12:33:14,124 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-07-21 12:33:14,125 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 13 [2022-07-21 12:33:14,125 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1133659290] [2022-07-21 12:33:14,125 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-07-21 12:33:14,126 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-07-21 12:33:14,126 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 12:33:14,126 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-07-21 12:33:14,126 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2022-07-21 12:33:14,126 INFO L87 Difference]: Start difference. First operand 12352 states and 18478 transitions. Second operand has 13 states, 11 states have (on average 12.272727272727273) internal successors, (135), 13 states have internal predecessors, (135), 4 states have call successors, (99), 2 states have call predecessors, (99), 5 states have return successors, (99), 4 states have call predecessors, (99), 4 states have call successors, (99) [2022-07-21 12:33:20,827 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 12:33:20,828 INFO L93 Difference]: Finished difference Result 24642 states and 37249 transitions. [2022-07-21 12:33:20,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-07-21 12:33:20,828 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 11 states have (on average 12.272727272727273) internal successors, (135), 13 states have internal predecessors, (135), 4 states have call successors, (99), 2 states have call predecessors, (99), 5 states have return successors, (99), 4 states have call predecessors, (99), 4 states have call successors, (99) Word has length 993 [2022-07-21 12:33:20,829 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 12:33:20,880 INFO L225 Difference]: With dead ends: 24642 [2022-07-21 12:33:20,880 INFO L226 Difference]: Without dead ends: 12369 [2022-07-21 12:33:20,919 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1989 GetRequests, 1973 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=69, Invalid=237, Unknown=0, NotChecked=0, Total=306 [2022-07-21 12:33:20,919 INFO L413 NwaCegarLoop]: 9332 mSDtfsCounter, 22 mSDsluCounter, 55798 mSDsCounter, 0 mSdLazyCounter, 566 mSolverCounterSat, 133 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 65130 SdHoareTripleChecker+Invalid, 699 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 133 IncrementalHoareTripleChecker+Valid, 566 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.6s IncrementalHoareTripleChecker+Time [2022-07-21 12:33:20,920 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [24 Valid, 65130 Invalid, 699 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [133 Valid, 566 Invalid, 0 Unknown, 0 Unchecked, 5.6s Time] [2022-07-21 12:33:20,931 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12369 states. [2022-07-21 12:33:21,189 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12369 to 12365. [2022-07-21 12:33:21,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12365 states, 8736 states have (on average 1.3915979853479854) internal successors, (12157), 8886 states have internal predecessors, (12157), 3164 states have call successors, (3164), 463 states have call predecessors, (3164), 464 states have return successors, (3177), 3133 states have call predecessors, (3177), 3161 states have call successors, (3177) [2022-07-21 12:33:21,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12365 states to 12365 states and 18498 transitions. [2022-07-21 12:33:21,246 INFO L78 Accepts]: Start accepts. Automaton has 12365 states and 18498 transitions. Word has length 993 [2022-07-21 12:33:21,246 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 12:33:21,246 INFO L495 AbstractCegarLoop]: Abstraction has 12365 states and 18498 transitions. [2022-07-21 12:33:21,247 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 11 states have (on average 12.272727272727273) internal successors, (135), 13 states have internal predecessors, (135), 4 states have call successors, (99), 2 states have call predecessors, (99), 5 states have return successors, (99), 4 states have call predecessors, (99), 4 states have call successors, (99) [2022-07-21 12:33:21,247 INFO L276 IsEmpty]: Start isEmpty. Operand 12365 states and 18498 transitions. [2022-07-21 12:33:21,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1017 [2022-07-21 12:33:21,255 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 12:33:21,255 INFO L195 NwaCegarLoop]: trace histogram [74, 39, 39, 39, 39, 39, 39, 39, 39, 39, 39, 39, 39, 39, 26, 26, 26, 26, 26, 26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 12:33:21,349 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2022-07-21 12:33:21,477 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 12:33:21,478 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 12:33:21,478 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 12:33:21,478 INFO L85 PathProgramCache]: Analyzing trace with hash 1916013176, now seen corresponding path program 2 times [2022-07-21 12:33:21,482 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 12:33:21,482 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [483810835] [2022-07-21 12:33:21,482 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-07-21 12:33:21,482 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 12:33:21,482 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 12:33:21,484 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-21 12:33:21,486 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process