./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ethernet--intel--ixgb--ixgb.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 791161d1 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-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ethernet--intel--ixgb--ixgb.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 c5e008b04b7be5a7eb3cfb5abbdeca875ac459e6636eb5b98613fa9fcb2277a8 --- Real Ultimate output --- This is Ultimate 0.2.2-?-791161d [2022-07-22 23:48:26,621 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-22 23:48:26,622 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-22 23:48:26,658 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-22 23:48:26,659 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-22 23:48:26,660 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-22 23:48:26,662 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-22 23:48:26,664 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-22 23:48:26,666 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-22 23:48:26,669 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-22 23:48:26,670 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-22 23:48:26,672 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-22 23:48:26,673 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-22 23:48:26,674 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-22 23:48:26,676 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-22 23:48:26,678 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-22 23:48:26,679 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-22 23:48:26,682 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-22 23:48:26,683 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-22 23:48:26,688 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-22 23:48:26,690 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-22 23:48:26,691 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-22 23:48:26,691 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-22 23:48:26,692 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-22 23:48:26,693 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-22 23:48:26,699 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-22 23:48:26,699 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-22 23:48:26,700 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-22 23:48:26,701 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-22 23:48:26,701 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-22 23:48:26,702 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-22 23:48:26,703 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-22 23:48:26,704 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-22 23:48:26,704 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-22 23:48:26,705 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-22 23:48:26,705 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-22 23:48:26,706 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-22 23:48:26,706 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-22 23:48:26,706 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-22 23:48:26,706 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-22 23:48:26,707 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-22 23:48:26,708 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-22 23:48:26,710 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-22 23:48:26,740 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-22 23:48:26,742 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-22 23:48:26,742 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-22 23:48:26,742 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-22 23:48:26,743 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-22 23:48:26,743 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-22 23:48:26,743 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-22 23:48:26,744 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-22 23:48:26,744 INFO L138 SettingsManager]: * Use SBE=true [2022-07-22 23:48:26,744 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-22 23:48:26,744 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-22 23:48:26,744 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-22 23:48:26,744 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-22 23:48:26,744 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-22 23:48:26,744 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-22 23:48:26,744 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-22 23:48:26,744 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-22 23:48:26,745 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-22 23:48:26,745 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-22 23:48:26,753 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-22 23:48:26,754 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-22 23:48:26,754 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-22 23:48:26,754 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-22 23:48:26,754 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-22 23:48:26,754 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-22 23:48:26,755 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-22 23:48:26,755 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-22 23:48:26,755 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-22 23:48:26,755 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-22 23:48:26,755 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-22 23:48:26,755 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c5e008b04b7be5a7eb3cfb5abbdeca875ac459e6636eb5b98613fa9fcb2277a8 [2022-07-22 23:48:26,973 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-22 23:48:27,003 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-22 23:48:27,005 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-22 23:48:27,006 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-22 23:48:27,006 INFO L275 PluginConnector]: CDTParser initialized [2022-07-22 23:48:27,007 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ethernet--intel--ixgb--ixgb.ko-entry_point.cil.out.i [2022-07-22 23:48:27,060 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c44112595/836fae7834b443dc806cf6ec41bbebc2/FLAGc448b5700 [2022-07-22 23:48:27,851 INFO L306 CDTParser]: Found 1 translation units. [2022-07-22 23:48:27,852 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ethernet--intel--ixgb--ixgb.ko-entry_point.cil.out.i [2022-07-22 23:48:27,910 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c44112595/836fae7834b443dc806cf6ec41bbebc2/FLAGc448b5700 [2022-07-22 23:48:28,088 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c44112595/836fae7834b443dc806cf6ec41bbebc2 [2022-07-22 23:48:28,090 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-22 23:48:28,091 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-22 23:48:28,093 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-22 23:48:28,093 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-22 23:48:28,096 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-22 23:48:28,097 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 11:48:28" (1/1) ... [2022-07-22 23:48:28,098 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@e929b58 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 11:48:28, skipping insertion in model container [2022-07-22 23:48:28,098 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 11:48:28" (1/1) ... [2022-07-22 23:48:28,103 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-22 23:48:28,212 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-22 23:48:29,557 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-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ethernet--intel--ixgb--ixgb.ko-entry_point.cil.out.i[204422,204435] [2022-07-22 23:48:30,861 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-22 23:48:30,916 INFO L203 MainTranslator]: Completed pre-run [2022-07-22 23:48:31,010 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-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ethernet--intel--ixgb--ixgb.ko-entry_point.cil.out.i[204422,204435] [2022-07-22 23:48:31,136 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: eecd_reg = eecd_reg & 4294967283U [12613] 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) [2022-07-22 23:48:31,140 INFO L158 Benchmark]: Toolchain (without parser) took 3048.03ms. Allocated memory was 100.7MB in the beginning and 155.2MB in the end (delta: 54.5MB). Free memory was 65.6MB in the beginning and 45.4MB in the end (delta: 20.2MB). Peak memory consumption was 80.9MB. Max. memory is 16.1GB. [2022-07-22 23:48:31,140 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 83.9MB. Free memory was 54.0MB in the beginning and 54.0MB in the end (delta: 31.5kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-22 23:48:31,141 INFO L158 Benchmark]: CACSL2BoogieTranslator took 3045.36ms. Allocated memory was 100.7MB in the beginning and 155.2MB in the end (delta: 54.5MB). Free memory was 65.1MB in the beginning and 45.4MB in the end (delta: 19.7MB). Peak memory consumption was 78.9MB. Max. memory is 16.1GB. [2022-07-22 23:48:31,142 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 83.9MB. Free memory was 54.0MB in the beginning and 54.0MB in the end (delta: 31.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 3045.36ms. Allocated memory was 100.7MB in the beginning and 155.2MB in the end (delta: 54.5MB). Free memory was 65.1MB in the beginning and 45.4MB in the end (delta: 19.7MB). Peak memory consumption was 78.9MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: TypeCheckException: Type check failed for C: eecd_reg = eecd_reg & 4294967283U [12613] de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: TypeCheckException: Type check failed for C: eecd_reg = eecd_reg & 4294967283U [12613]: 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-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ethernet--intel--ixgb--ixgb.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 c5e008b04b7be5a7eb3cfb5abbdeca875ac459e6636eb5b98613fa9fcb2277a8 --- Real Ultimate output --- This is Ultimate 0.2.2-?-791161d [2022-07-22 23:48:32,810 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-22 23:48:32,812 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-22 23:48:32,847 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-22 23:48:32,848 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-22 23:48:32,849 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-22 23:48:32,852 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-22 23:48:32,854 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-22 23:48:32,855 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-22 23:48:32,859 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-22 23:48:32,859 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-22 23:48:32,863 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-22 23:48:32,863 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-22 23:48:32,865 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-22 23:48:32,865 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-22 23:48:32,868 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-22 23:48:32,868 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-22 23:48:32,869 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-22 23:48:32,870 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-22 23:48:32,874 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-22 23:48:32,875 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-22 23:48:32,876 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-22 23:48:32,878 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-22 23:48:32,878 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-22 23:48:32,879 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-22 23:48:32,884 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-22 23:48:32,885 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-22 23:48:32,885 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-22 23:48:32,886 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-22 23:48:32,886 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-22 23:48:32,887 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-22 23:48:32,887 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-22 23:48:32,888 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-22 23:48:32,889 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-22 23:48:32,890 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-22 23:48:32,890 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-22 23:48:32,890 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-22 23:48:32,891 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-22 23:48:32,891 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-22 23:48:32,891 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-22 23:48:32,892 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-22 23:48:32,893 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-22 23:48:32,897 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-07-22 23:48:32,922 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-22 23:48:32,923 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-22 23:48:32,923 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-22 23:48:32,923 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-22 23:48:32,924 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-22 23:48:32,924 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-22 23:48:32,924 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-22 23:48:32,924 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-22 23:48:32,925 INFO L138 SettingsManager]: * Use SBE=true [2022-07-22 23:48:32,925 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-22 23:48:32,925 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-22 23:48:32,925 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-22 23:48:32,926 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-22 23:48:32,926 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-22 23:48:32,926 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-07-22 23:48:32,926 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-07-22 23:48:32,926 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-07-22 23:48:32,926 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-22 23:48:32,927 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-22 23:48:32,927 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-22 23:48:32,927 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-22 23:48:32,927 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-22 23:48:32,927 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-22 23:48:32,927 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-22 23:48:32,927 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-22 23:48:32,928 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-22 23:48:32,928 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-22 23:48:32,928 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-07-22 23:48:32,928 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-07-22 23:48:32,928 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-22 23:48:32,928 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-22 23:48:32,929 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-22 23:48:32,929 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-07-22 23:48:32,929 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c5e008b04b7be5a7eb3cfb5abbdeca875ac459e6636eb5b98613fa9fcb2277a8 [2022-07-22 23:48:33,231 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-22 23:48:33,247 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-22 23:48:33,249 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-22 23:48:33,250 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-22 23:48:33,250 INFO L275 PluginConnector]: CDTParser initialized [2022-07-22 23:48:33,251 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ethernet--intel--ixgb--ixgb.ko-entry_point.cil.out.i [2022-07-22 23:48:33,292 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/efadfe8b0/9e81db1e16a64021a6f32cc190ee7d9a/FLAGe156582a9 [2022-07-22 23:48:33,984 INFO L306 CDTParser]: Found 1 translation units. [2022-07-22 23:48:33,984 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ethernet--intel--ixgb--ixgb.ko-entry_point.cil.out.i [2022-07-22 23:48:34,029 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/efadfe8b0/9e81db1e16a64021a6f32cc190ee7d9a/FLAGe156582a9 [2022-07-22 23:48:34,522 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/efadfe8b0/9e81db1e16a64021a6f32cc190ee7d9a [2022-07-22 23:48:34,524 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-22 23:48:34,525 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-22 23:48:34,525 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-22 23:48:34,526 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-22 23:48:34,528 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-22 23:48:34,529 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 11:48:34" (1/1) ... [2022-07-22 23:48:34,529 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3981bf94 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 11:48:34, skipping insertion in model container [2022-07-22 23:48:34,530 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 11:48:34" (1/1) ... [2022-07-22 23:48:34,534 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-22 23:48:34,667 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-22 23:48:36,014 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-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ethernet--intel--ixgb--ixgb.ko-entry_point.cil.out.i[204422,204435] [2022-07-22 23:48:37,648 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-22 23:48:37,727 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-07-22 23:48:37,812 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-22 23:48:37,961 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-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ethernet--intel--ixgb--ixgb.ko-entry_point.cil.out.i[204422,204435] [2022-07-22 23:48:38,232 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-22 23:48:38,262 INFO L203 MainTranslator]: Completed pre-run [2022-07-22 23:48:38,424 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-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ethernet--intel--ixgb--ixgb.ko-entry_point.cil.out.i[204422,204435] [2022-07-22 23:48:38,636 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-22 23:48:38,892 INFO L208 MainTranslator]: Completed translation [2022-07-22 23:48:38,893 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 11:48:38 WrapperNode [2022-07-22 23:48:38,893 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-22 23:48:38,894 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-22 23:48:38,894 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-22 23:48:38,894 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-22 23:48:38,899 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 11:48:38" (1/1) ... [2022-07-22 23:48:39,002 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 11:48:38" (1/1) ... [2022-07-22 23:48:39,257 INFO L137 Inliner]: procedures = 437, calls = 5945, calls flagged for inlining = 205, calls inlined = 187, statements flattened = 11105 [2022-07-22 23:48:39,257 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-22 23:48:39,258 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-22 23:48:39,258 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-22 23:48:39,258 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-22 23:48:39,273 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 11:48:38" (1/1) ... [2022-07-22 23:48:39,273 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 11:48:38" (1/1) ... [2022-07-22 23:48:39,324 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 11:48:38" (1/1) ... [2022-07-22 23:48:39,325 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 11:48:38" (1/1) ... [2022-07-22 23:48:39,436 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 11:48:38" (1/1) ... [2022-07-22 23:48:39,456 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 11:48:38" (1/1) ... [2022-07-22 23:48:39,481 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 11:48:38" (1/1) ... [2022-07-22 23:48:39,511 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-22 23:48:39,512 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-22 23:48:39,512 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-22 23:48:39,512 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-22 23:48:39,513 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 11:48:38" (1/1) ... [2022-07-22 23:48:39,517 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-22 23:48:39,523 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 23:48:39,548 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) [2022-07-22 23:48:39,563 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 [2022-07-22 23:48:39,572 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-07-22 23:48:39,572 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-07-22 23:48:39,572 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-07-22 23:48:39,572 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-07-22 23:48:39,572 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_write_vfta [2022-07-22 23:48:39,572 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_write_vfta [2022-07-22 23:48:39,572 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-22 23:48:39,572 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-22 23:48:39,573 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_standby_eeprom [2022-07-22 23:48:39,573 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_standby_eeprom [2022-07-22 23:48:39,573 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_io_error_detected [2022-07-22 23:48:39,573 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_io_error_detected [2022-07-22 23:48:39,573 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2022-07-22 23:48:39,573 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2022-07-22 23:48:39,573 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-07-22 23:48:39,573 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-07-22 23:48:39,573 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2022-07-22 23:48:39,574 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2022-07-22 23:48:39,574 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-07-22 23:48:39,574 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-07-22 23:48:39,574 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_alloc_rx_buffers [2022-07-22 23:48:39,574 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_alloc_rx_buffers [2022-07-22 23:48:39,574 INFO L130 BoogieDeclarations]: Found specification of procedure mac_addr_valid [2022-07-22 23:48:39,574 INFO L138 BoogieDeclarations]: Found implementation of procedure mac_addr_valid [2022-07-22 23:48:39,574 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_vlan_rx_add_vid [2022-07-22 23:48:39,574 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_vlan_rx_add_vid [2022-07-22 23:48:39,575 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_free_tx_resources [2022-07-22 23:48:39,575 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_free_tx_resources [2022-07-22 23:48:39,575 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2022-07-22 23:48:39,575 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2022-07-22 23:48:39,575 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_set_features [2022-07-22 23:48:39,575 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_set_features [2022-07-22 23:48:39,575 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_set_multi [2022-07-22 23:48:39,575 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_set_multi [2022-07-22 23:48:39,576 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_rar_set [2022-07-22 23:48:39,576 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_rar_set [2022-07-22 23:48:39,576 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-07-22 23:48:39,576 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-07-22 23:48:39,576 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-07-22 23:48:39,576 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-07-22 23:48:39,576 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2022-07-22 23:48:39,576 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2022-07-22 23:48:39,576 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-07-22 23:48:39,577 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-07-22 23:48:39,577 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u32 [2022-07-22 23:48:39,577 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-22 23:48:39,577 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2022-07-22 23:48:39,577 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2022-07-22 23:48:39,577 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-07-22 23:48:39,577 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-07-22 23:48:39,577 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2022-07-22 23:48:39,578 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_validate_eeprom_checksum [2022-07-22 23:48:39,578 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_validate_eeprom_checksum [2022-07-22 23:48:39,578 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-07-22 23:48:39,578 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-07-22 23:48:39,578 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_netpoll [2022-07-22 23:48:39,578 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_netpoll [2022-07-22 23:48:39,578 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-07-22 23:48:39,578 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-07-22 23:48:39,578 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_raise_clock [2022-07-22 23:48:39,579 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_raise_clock [2022-07-22 23:48:39,579 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_write_eeprom [2022-07-22 23:48:39,579 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_write_eeprom [2022-07-22 23:48:39,579 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-07-22 23:48:39,579 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-07-22 23:48:39,579 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_identify_xpak_vendor [2022-07-22 23:48:39,579 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_identify_xpak_vendor [2022-07-22 23:48:39,579 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_mac_reset [2022-07-22 23:48:39,579 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_mac_reset [2022-07-22 23:48:39,580 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_2 [2022-07-22 23:48:39,580 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_2 [2022-07-22 23:48:39,580 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_read_eeprom [2022-07-22 23:48:39,580 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_read_eeprom [2022-07-22 23:48:39,580 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~C_ULONG~X~C_ULONG~X~C_INT~X~$Pointer$~TO~~dma_addr_t~0 [2022-07-22 23:48:39,580 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~C_ULONG~X~C_ULONG~X~C_INT~X~$Pointer$~TO~~dma_addr_t~0 [2022-07-22 23:48:39,580 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_free_rx_resources [2022-07-22 23:48:39,580 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_free_rx_resources [2022-07-22 23:48:39,581 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-07-22 23:48:39,581 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-07-22 23:48:39,581 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headroom [2022-07-22 23:48:39,581 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headroom [2022-07-22 23:48:39,581 INFO L130 BoogieDeclarations]: Found specification of procedure vzalloc [2022-07-22 23:48:39,581 INFO L138 BoogieDeclarations]: Found implementation of procedure vzalloc [2022-07-22 23:48:39,581 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-22 23:48:39,581 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-22 23:48:39,581 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_header [2022-07-22 23:48:39,582 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_header [2022-07-22 23:48:39,582 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_get_regs_len [2022-07-22 23:48:39,582 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_get_regs_len [2022-07-22 23:48:39,582 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2022-07-22 23:48:39,582 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2022-07-22 23:48:39,582 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-07-22 23:48:39,582 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-07-22 23:48:39,582 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_read_phy_reg [2022-07-22 23:48:39,582 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_read_phy_reg [2022-07-22 23:48:39,583 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u16 [2022-07-22 23:48:39,583 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_check_for_link [2022-07-22 23:48:39,583 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_check_for_link [2022-07-22 23:48:39,583 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_validate_option [2022-07-22 23:48:39,583 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_validate_option [2022-07-22 23:48:39,583 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-22 23:48:39,583 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2022-07-22 23:48:39,583 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2022-07-22 23:48:39,584 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-22 23:48:39,584 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2022-07-22 23:48:39,584 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2022-07-22 23:48:39,584 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-07-22 23:48:39,584 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-07-22 23:48:39,584 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-22 23:48:39,584 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2022-07-22 23:48:39,584 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2022-07-22 23:48:39,584 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_2 [2022-07-22 23:48:39,585 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_2 [2022-07-22 23:48:39,585 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2022-07-22 23:48:39,585 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_lower_clock [2022-07-22 23:48:39,585 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_lower_clock [2022-07-22 23:48:39,585 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_reset [2022-07-22 23:48:39,585 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_reset [2022-07-22 23:48:39,585 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2022-07-22 23:48:39,585 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2022-07-22 23:48:39,586 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_get_eeprom_len [2022-07-22 23:48:39,586 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_get_eeprom_len [2022-07-22 23:48:39,586 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~C_ULONG~X~C_INT~X~$Pointer$~TO~VOID [2022-07-22 23:48:39,586 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~C_ULONG~X~C_INT~X~$Pointer$~TO~VOID [2022-07-22 23:48:39,586 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_up [2022-07-22 23:48:39,586 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_up [2022-07-22 23:48:39,586 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_irq_enable [2022-07-22 23:48:39,586 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_irq_enable [2022-07-22 23:48:39,586 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2022-07-22 23:48:39,587 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2022-07-22 23:48:39,587 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-07-22 23:48:39,587 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-07-22 23:48:39,587 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_setup_tx_resources [2022-07-22 23:48:39,587 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_setup_tx_resources [2022-07-22 23:48:39,587 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_maybe_stop_tx [2022-07-22 23:48:39,587 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_maybe_stop_tx [2022-07-22 23:48:39,587 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_intr [2022-07-22 23:48:39,587 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_intr [2022-07-22 23:48:39,588 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2022-07-22 23:48:39,588 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2022-07-22 23:48:39,588 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-07-22 23:48:39,588 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-07-22 23:48:39,588 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2022-07-22 23:48:39,588 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-22 23:48:39,588 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-22 23:48:39,588 INFO L130 BoogieDeclarations]: Found specification of procedure tcp_hdr [2022-07-22 23:48:39,588 INFO L138 BoogieDeclarations]: Found implementation of procedure tcp_hdr [2022-07-22 23:48:39,589 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-07-22 23:48:39,589 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-07-22 23:48:39,589 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-07-22 23:48:39,589 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-07-22 23:48:39,589 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-07-22 23:48:39,589 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-22 23:48:39,589 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-07-22 23:48:39,589 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-22 23:48:39,589 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-22 23:48:39,590 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-22 23:48:39,590 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-07-22 23:48:39,590 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-07-22 23:48:39,590 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2022-07-22 23:48:39,590 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2022-07-22 23:48:39,590 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_update_stats [2022-07-22 23:48:39,590 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_update_stats [2022-07-22 23:48:39,590 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_6 [2022-07-22 23:48:39,590 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_6 [2022-07-22 23:48:39,591 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-07-22 23:48:39,591 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-07-22 23:48:39,591 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_check_and_get_eeprom_data [2022-07-22 23:48:39,591 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_check_and_get_eeprom_data [2022-07-22 23:48:39,591 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2022-07-22 23:48:39,591 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2022-07-22 23:48:39,591 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-22 23:48:39,591 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-22 23:48:39,591 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-07-22 23:48:39,592 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-07-22 23:48:39,592 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-07-22 23:48:39,592 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-07-22 23:48:39,592 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb_ip_align [2022-07-22 23:48:39,592 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb_ip_align [2022-07-22 23:48:39,592 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2022-07-22 23:48:39,592 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2022-07-22 23:48:39,592 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2022-07-22 23:48:39,592 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2022-07-22 23:48:39,592 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2022-07-22 23:48:39,593 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2022-07-22 23:48:39,593 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-22 23:48:39,593 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2022-07-22 23:48:39,593 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2022-07-22 23:48:39,593 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-07-22 23:48:39,593 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-07-22 23:48:39,593 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-22 23:48:39,593 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_remove [2022-07-22 23:48:39,593 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_remove [2022-07-22 23:48:39,594 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_vlan_rx_kill_vid [2022-07-22 23:48:39,594 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_vlan_rx_kill_vid [2022-07-22 23:48:39,594 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2022-07-22 23:48:39,594 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-07-22 23:48:39,594 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-07-22 23:48:39,594 INFO L130 BoogieDeclarations]: Found specification of procedure is_zero_ether_addr [2022-07-22 23:48:39,594 INFO L138 BoogieDeclarations]: Found implementation of procedure is_zero_ether_addr [2022-07-22 23:48:39,594 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-07-22 23:48:39,594 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-22 23:48:39,595 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_change_mtu [2022-07-22 23:48:39,595 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_change_mtu [2022-07-22 23:48:39,595 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2022-07-22 23:48:39,595 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2022-07-22 23:48:39,595 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-07-22 23:48:39,595 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-07-22 23:48:39,595 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-07-22 23:48:39,595 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-07-22 23:48:39,595 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_link_reset [2022-07-22 23:48:39,596 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_link_reset [2022-07-22 23:48:39,596 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_set_speed_duplex [2022-07-22 23:48:39,596 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_set_speed_duplex [2022-07-22 23:48:39,596 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_fix_features [2022-07-22 23:48:39,596 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_fix_features [2022-07-22 23:48:39,596 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2022-07-22 23:48:39,596 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2022-07-22 23:48:39,596 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-07-22 23:48:39,596 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-07-22 23:48:39,596 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_io_slot_reset [2022-07-22 23:48:39,597 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_io_slot_reset [2022-07-22 23:48:39,597 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free [2022-07-22 23:48:39,597 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free [2022-07-22 23:48:39,597 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_offset [2022-07-22 23:48:39,597 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_offset [2022-07-22 23:48:39,597 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-07-22 23:48:39,597 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-07-22 23:48:39,597 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_unmap_and_free_tx_resource [2022-07-22 23:48:39,597 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_unmap_and_free_tx_resource [2022-07-22 23:48:39,598 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_header [2022-07-22 23:48:39,598 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_header [2022-07-22 23:48:39,598 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-22 23:48:39,598 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-22 23:48:39,598 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_set_mac [2022-07-22 23:48:39,598 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_set_mac [2022-07-22 23:48:39,598 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_setup_eeprom [2022-07-22 23:48:39,598 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_setup_eeprom [2022-07-22 23:48:39,598 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2022-07-22 23:48:39,599 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2022-07-22 23:48:39,599 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-07-22 23:48:39,599 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2022-07-22 23:48:39,599 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-22 23:48:39,599 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-22 23:48:39,599 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_write_phy_reg [2022-07-22 23:48:39,599 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_write_phy_reg [2022-07-22 23:48:39,599 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2022-07-22 23:48:39,599 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2022-07-22 23:48:39,600 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_get_ee_mac_addr [2022-07-22 23:48:39,600 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_get_ee_mac_addr [2022-07-22 23:48:39,600 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2022-07-22 23:48:39,600 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2022-07-22 23:48:39,600 INFO L130 BoogieDeclarations]: Found specification of procedure dma_set_mask_and_coherent [2022-07-22 23:48:39,600 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_set_mask_and_coherent [2022-07-22 23:48:39,600 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_clean_tx_ring [2022-07-22 23:48:39,600 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_clean_tx_ring [2022-07-22 23:48:39,600 INFO L130 BoogieDeclarations]: Found specification of procedure is_multicast_ether_addr [2022-07-22 23:48:39,601 INFO L138 BoogieDeclarations]: Found implementation of procedure is_multicast_ether_addr [2022-07-22 23:48:39,601 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2022-07-22 23:48:39,601 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2022-07-22 23:48:39,601 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_clean_rx_ring [2022-07-22 23:48:39,601 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_clean_rx_ring [2022-07-22 23:48:39,601 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_shift_out_bits [2022-07-22 23:48:39,601 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_shift_out_bits [2022-07-22 23:48:39,601 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_down [2022-07-22 23:48:39,601 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_down [2022-07-22 23:48:39,601 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2022-07-22 23:48:39,602 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2022-07-22 23:48:39,602 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_tx_timeout [2022-07-22 23:48:39,602 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_tx_timeout [2022-07-22 23:48:39,602 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_setup_rx_resources [2022-07-22 23:48:39,602 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_setup_rx_resources [2022-07-22 23:48:39,602 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2022-07-22 23:48:39,602 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2022-07-22 23:48:39,602 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_get_stats [2022-07-22 23:48:39,602 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_get_stats [2022-07-22 23:48:39,603 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2022-07-22 23:48:39,603 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2022-07-22 23:48:39,603 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_msi [2022-07-22 23:48:39,603 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_msi [2022-07-22 23:48:39,603 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2022-07-22 23:48:39,603 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2022-07-22 23:48:39,603 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2022-07-22 23:48:39,603 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_get_eeprom_data [2022-07-22 23:48:39,603 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_get_eeprom_data [2022-07-22 23:48:40,459 INFO L234 CfgBuilder]: Building ICFG [2022-07-22 23:48:40,462 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-22 23:48:41,271 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-22 23:50:28,584 INFO L275 CfgBuilder]: Performing block encoding [2022-07-22 23:50:28,620 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-22 23:50:28,621 INFO L299 CfgBuilder]: Removed 3 assume(true) statements. [2022-07-22 23:50:28,626 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 11:50:28 BoogieIcfgContainer [2022-07-22 23:50:28,627 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-22 23:50:28,629 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-22 23:50:28,629 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-22 23:50:28,631 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-22 23:50:28,631 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.07 11:48:34" (1/3) ... [2022-07-22 23:50:28,632 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37e72 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.07 11:50:28, skipping insertion in model container [2022-07-22 23:50:28,632 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 11:48:38" (2/3) ... [2022-07-22 23:50:28,632 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37e72 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.07 11:50:28, skipping insertion in model container [2022-07-22 23:50:28,633 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 11:50:28" (3/3) ... [2022-07-22 23:50:28,634 INFO L111 eAbstractionObserver]: Analyzing ICFG 205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ethernet--intel--ixgb--ixgb.ko-entry_point.cil.out.i [2022-07-22 23:50:28,644 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-22 23:50:28,644 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-22 23:50:28,734 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-22 23:50:28,743 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@731311a0, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@61c07a26 [2022-07-22 23:50:28,743 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-22 23:50:28,755 INFO L276 IsEmpty]: Start isEmpty. Operand has 3114 states, 2118 states have (on average 1.3026440037771483) internal successors, (2759), 2153 states have internal predecessors, (2759), 869 states have call successors, (869), 126 states have call predecessors, (869), 125 states have return successors, (861), 856 states have call predecessors, (861), 861 states have call successors, (861) [2022-07-22 23:50:28,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2022-07-22 23:50:28,767 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 23:50:28,768 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 23:50:28,768 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 23:50:28,771 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 23:50:28,772 INFO L85 PathProgramCache]: Analyzing trace with hash 1632160076, now seen corresponding path program 1 times [2022-07-22 23:50:28,785 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-22 23:50:28,785 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [133358742] [2022-07-22 23:50:28,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 23:50:28,786 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-22 23:50:28,786 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-22 23:50:28,788 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) [2022-07-22 23:50:28,789 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-07-22 23:50:32,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:50:32,550 INFO L263 TraceCheckSpWp]: Trace formula consists of 3983 conjuncts, 3 conjunts are in the unsatisfiable core [2022-07-22 23:50:32,556 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 23:50:32,804 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2022-07-22 23:50:32,805 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-22 23:50:32,805 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-22 23:50:32,805 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [133358742] [2022-07-22 23:50:32,806 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [133358742] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 23:50:32,806 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 23:50:32,806 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-22 23:50:32,807 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [521583160] [2022-07-22 23:50:32,808 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 23:50:32,810 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-22 23:50:32,811 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-22 23:50:32,827 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-22 23:50:32,827 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-22 23:50:32,834 INFO L87 Difference]: Start difference. First operand has 3114 states, 2118 states have (on average 1.3026440037771483) internal successors, (2759), 2153 states have internal predecessors, (2759), 869 states have call successors, (869), 126 states have call predecessors, (869), 125 states have return successors, (861), 856 states have call predecessors, (861), 861 states have call successors, (861) Second operand has 4 states, 4 states have (on average 8.75) internal successors, (35), 4 states have internal predecessors, (35), 2 states have call successors, (9), 2 states have call predecessors, (9), 3 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-07-22 23:50:33,720 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 23:50:33,720 INFO L93 Difference]: Finished difference Result 6226 states and 9060 transitions. [2022-07-22 23:50:33,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-22 23:50:33,723 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.75) internal successors, (35), 4 states have internal predecessors, (35), 2 states have call successors, (9), 2 states have call predecessors, (9), 3 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 67 [2022-07-22 23:50:33,723 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 23:50:33,755 INFO L225 Difference]: With dead ends: 6226 [2022-07-22 23:50:33,755 INFO L226 Difference]: Without dead ends: 3076 [2022-07-22 23:50:33,778 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-22 23:50:33,784 INFO L413 NwaCegarLoop]: 4473 mSDtfsCounter, 2 mSDsluCounter, 8934 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 13407 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-07-22 23:50:33,785 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 13407 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-07-22 23:50:33,802 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3076 states. [2022-07-22 23:50:33,968 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3076 to 3076. [2022-07-22 23:50:33,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3076 states, 2091 states have (on average 1.288857006217121) internal successors, (2695), 2117 states have internal predecessors, (2695), 859 states have call successors, (859), 125 states have call predecessors, (859), 125 states have return successors, (863), 853 states have call predecessors, (863), 858 states have call successors, (863) [2022-07-22 23:50:33,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3076 states to 3076 states and 4417 transitions. [2022-07-22 23:50:33,998 INFO L78 Accepts]: Start accepts. Automaton has 3076 states and 4417 transitions. Word has length 67 [2022-07-22 23:50:33,999 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 23:50:33,999 INFO L495 AbstractCegarLoop]: Abstraction has 3076 states and 4417 transitions. [2022-07-22 23:50:33,999 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.75) internal successors, (35), 4 states have internal predecessors, (35), 2 states have call successors, (9), 2 states have call predecessors, (9), 3 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-07-22 23:50:33,999 INFO L276 IsEmpty]: Start isEmpty. Operand 3076 states and 4417 transitions. [2022-07-22 23:50:34,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2022-07-22 23:50:34,006 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 23:50:34,006 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 23:50:34,082 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-07-22 23:50:34,219 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-22 23:50:34,220 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 23:50:34,220 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 23:50:34,220 INFO L85 PathProgramCache]: Analyzing trace with hash -1052105849, now seen corresponding path program 1 times [2022-07-22 23:50:34,223 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-22 23:50:34,223 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1671443781] [2022-07-22 23:50:34,223 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 23:50:34,223 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-22 23:50:34,223 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-22 23:50:34,230 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) [2022-07-22 23:50:34,256 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-07-22 23:50:38,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:50:38,356 INFO L263 TraceCheckSpWp]: Trace formula consists of 4038 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-22 23:50:38,360 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 23:50:38,694 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 28 proven. 1 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2022-07-22 23:50:38,694 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-22 23:50:39,584 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2022-07-22 23:50:39,584 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-22 23:50:39,584 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1671443781] [2022-07-22 23:50:39,584 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1671443781] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-22 23:50:39,584 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-07-22 23:50:39,584 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2022-07-22 23:50:39,584 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2014202197] [2022-07-22 23:50:39,584 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-07-22 23:50:39,585 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-07-22 23:50:39,585 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-22 23:50:39,586 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-07-22 23:50:39,586 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-07-22 23:50:39,586 INFO L87 Difference]: Start difference. First operand 3076 states and 4417 transitions. Second operand has 8 states, 8 states have (on average 5.625) internal successors, (45), 8 states have internal predecessors, (45), 2 states have call successors, (13), 2 states have call predecessors, (13), 4 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-07-22 23:50:42,161 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 23:50:42,162 INFO L93 Difference]: Finished difference Result 6152 states and 8852 transitions. [2022-07-22 23:50:42,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-07-22 23:50:42,163 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 5.625) internal successors, (45), 8 states have internal predecessors, (45), 2 states have call successors, (13), 2 states have call predecessors, (13), 4 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 72 [2022-07-22 23:50:42,163 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 23:50:42,186 INFO L225 Difference]: With dead ends: 6152 [2022-07-22 23:50:42,186 INFO L226 Difference]: Without dead ends: 3087 [2022-07-22 23:50:42,203 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 147 GetRequests, 136 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=62, Invalid=94, Unknown=0, NotChecked=0, Total=156 [2022-07-22 23:50:42,204 INFO L413 NwaCegarLoop]: 4400 mSDtfsCounter, 19 mSDsluCounter, 13171 mSDsCounter, 0 mSdLazyCounter, 112 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 17571 SdHoareTripleChecker+Invalid, 129 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 112 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-07-22 23:50:42,204 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 17571 Invalid, 129 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 112 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-07-22 23:50:42,210 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3087 states. [2022-07-22 23:50:42,296 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3087 to 3085. [2022-07-22 23:50:42,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3085 states, 2099 states have (on average 1.2906145783706526) internal successors, (2709), 2125 states have internal predecessors, (2709), 859 states have call successors, (859), 126 states have call predecessors, (859), 126 states have return successors, (868), 853 states have call predecessors, (868), 858 states have call successors, (868) [2022-07-22 23:50:42,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3085 states to 3085 states and 4436 transitions. [2022-07-22 23:50:42,316 INFO L78 Accepts]: Start accepts. Automaton has 3085 states and 4436 transitions. Word has length 72 [2022-07-22 23:50:42,317 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 23:50:42,317 INFO L495 AbstractCegarLoop]: Abstraction has 3085 states and 4436 transitions. [2022-07-22 23:50:42,317 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.625) internal successors, (45), 8 states have internal predecessors, (45), 2 states have call successors, (13), 2 states have call predecessors, (13), 4 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-07-22 23:50:42,317 INFO L276 IsEmpty]: Start isEmpty. Operand 3085 states and 4436 transitions. [2022-07-22 23:50:42,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2022-07-22 23:50:42,319 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 23:50:42,319 INFO L195 NwaCegarLoop]: trace histogram [12, 5, 5, 5, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 23:50:42,387 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-07-22 23:50:42,534 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-22 23:50:42,535 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 23:50:42,535 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 23:50:42,535 INFO L85 PathProgramCache]: Analyzing trace with hash -1060384116, now seen corresponding path program 2 times [2022-07-22 23:50:42,538 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-22 23:50:42,538 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [841072840] [2022-07-22 23:50:42,538 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-07-22 23:50:42,538 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-22 23:50:42,538 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-22 23:50:42,544 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) [2022-07-22 23:50:42,546 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-07-22 23:50:46,140 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-07-22 23:50:46,140 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-22 23:50:46,291 INFO L263 TraceCheckSpWp]: Trace formula consists of 3873 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-22 23:50:46,295 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 23:50:47,972 INFO L134 CoverageAnalysis]: Checked inductivity of 178 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 178 trivial. 0 not checked. [2022-07-22 23:50:47,973 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-22 23:50:47,973 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-22 23:50:47,973 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [841072840] [2022-07-22 23:50:47,973 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [841072840] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 23:50:47,973 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 23:50:47,973 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-22 23:50:47,973 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [948550956] [2022-07-22 23:50:47,973 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 23:50:47,974 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-22 23:50:47,974 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-22 23:50:47,974 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-22 23:50:47,974 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-22 23:50:47,974 INFO L87 Difference]: Start difference. First operand 3085 states and 4436 transitions. Second operand has 5 states, 5 states have (on average 6.6) internal successors, (33), 5 states have internal predecessors, (33), 3 states have call successors, (9), 3 states have call predecessors, (9), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-07-22 23:50:49,104 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 23:50:49,104 INFO L93 Difference]: Finished difference Result 6146 states and 8860 transitions. [2022-07-22 23:50:49,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-22 23:50:49,105 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.6) internal successors, (33), 5 states have internal predecessors, (33), 3 states have call successors, (9), 3 states have call predecessors, (9), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 79 [2022-07-22 23:50:49,106 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 23:50:49,147 INFO L225 Difference]: With dead ends: 6146 [2022-07-22 23:50:49,148 INFO L226 Difference]: Without dead ends: 6138 [2022-07-22 23:50:49,156 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 75 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-07-22 23:50:49,158 INFO L413 NwaCegarLoop]: 5275 mSDtfsCounter, 4373 mSDsluCounter, 14947 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4373 SdHoareTripleChecker+Valid, 20222 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-07-22 23:50:49,159 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4373 Valid, 20222 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-07-22 23:50:49,167 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6138 states. [2022-07-22 23:50:49,398 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6138 to 6132. [2022-07-22 23:50:49,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6132 states, 4171 states have (on average 1.291057300407576) internal successors, (5385), 4223 states have internal predecessors, (5385), 1709 states have call successors, (1709), 250 states have call predecessors, (1709), 251 states have return successors, (1746), 1698 states have call predecessors, (1746), 1708 states have call successors, (1746) [2022-07-22 23:50:49,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6132 states to 6132 states and 8840 transitions. [2022-07-22 23:50:49,448 INFO L78 Accepts]: Start accepts. Automaton has 6132 states and 8840 transitions. Word has length 79 [2022-07-22 23:50:49,448 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 23:50:49,449 INFO L495 AbstractCegarLoop]: Abstraction has 6132 states and 8840 transitions. [2022-07-22 23:50:49,449 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.6) internal successors, (33), 5 states have internal predecessors, (33), 3 states have call successors, (9), 3 states have call predecessors, (9), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-07-22 23:50:49,450 INFO L276 IsEmpty]: Start isEmpty. Operand 6132 states and 8840 transitions. [2022-07-22 23:50:49,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 377 [2022-07-22 23:50:49,472 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 23:50:49,473 INFO L195 NwaCegarLoop]: trace histogram [12, 9, 9, 9, 9, 9, 8, 8, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 23:50:49,534 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Ended with exit code 0 [2022-07-22 23:50:49,687 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-22 23:50:49,688 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 23:50:49,688 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 23:50:49,688 INFO L85 PathProgramCache]: Analyzing trace with hash -1309726809, now seen corresponding path program 1 times [2022-07-22 23:50:49,692 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-22 23:50:49,692 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1934292778] [2022-07-22 23:50:49,692 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 23:50:49,692 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-22 23:50:49,692 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-22 23:50:49,695 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) [2022-07-22 23:50:49,696 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-07-22 23:50:56,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:50:56,273 INFO L263 TraceCheckSpWp]: Trace formula consists of 5434 conjuncts, 5 conjunts are in the unsatisfiable core [2022-07-22 23:50:56,285 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 23:50:56,806 INFO L134 CoverageAnalysis]: Checked inductivity of 535 backedges. 192 proven. 3 refuted. 0 times theorem prover too weak. 340 trivial. 0 not checked. [2022-07-22 23:50:56,807 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-22 23:50:58,436 INFO L134 CoverageAnalysis]: Checked inductivity of 535 backedges. 28 proven. 45 refuted. 0 times theorem prover too weak. 462 trivial. 0 not checked. [2022-07-22 23:50:58,437 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-22 23:50:58,437 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1934292778] [2022-07-22 23:50:58,437 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1934292778] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-22 23:50:58,437 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-07-22 23:50:58,437 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2022-07-22 23:50:58,437 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1045268802] [2022-07-22 23:50:58,437 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-07-22 23:50:58,438 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-07-22 23:50:58,438 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-22 23:50:58,439 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-07-22 23:50:58,439 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-07-22 23:50:58,439 INFO L87 Difference]: Start difference. First operand 6132 states and 8840 transitions. Second operand has 10 states, 10 states have (on average 34.9) internal successors, (349), 10 states have internal predecessors, (349), 2 states have call successors, (103), 2 states have call predecessors, (103), 4 states have return successors, (103), 2 states have call predecessors, (103), 2 states have call successors, (103) [2022-07-22 23:51:02,324 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 23:51:02,325 INFO L93 Difference]: Finished difference Result 12291 states and 17756 transitions. [2022-07-22 23:51:02,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-07-22 23:51:02,326 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 34.9) internal successors, (349), 10 states have internal predecessors, (349), 2 states have call successors, (103), 2 states have call predecessors, (103), 4 states have return successors, (103), 2 states have call predecessors, (103), 2 states have call successors, (103) Word has length 376 [2022-07-22 23:51:02,326 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 23:51:02,362 INFO L225 Difference]: With dead ends: 12291 [2022-07-22 23:51:02,363 INFO L226 Difference]: Without dead ends: 6172 [2022-07-22 23:51:02,392 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 758 GetRequests, 742 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=113, Invalid=193, Unknown=0, NotChecked=0, Total=306 [2022-07-22 23:51:02,394 INFO L413 NwaCegarLoop]: 4402 mSDtfsCounter, 54 mSDsluCounter, 13182 mSDsCounter, 0 mSdLazyCounter, 150 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 54 SdHoareTripleChecker+Valid, 17584 SdHoareTripleChecker+Invalid, 189 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 150 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2022-07-22 23:51:02,395 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [54 Valid, 17584 Invalid, 189 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 150 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2022-07-22 23:51:02,401 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6172 states. [2022-07-22 23:51:02,680 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6172 to 6158. [2022-07-22 23:51:02,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6158 states, 4196 states have (on average 1.294089609151573) internal successors, (5430), 4246 states have internal predecessors, (5430), 1709 states have call successors, (1709), 253 states have call predecessors, (1709), 252 states have return successors, (1746), 1698 states have call predecessors, (1746), 1708 states have call successors, (1746) [2022-07-22 23:51:02,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6158 states to 6158 states and 8885 transitions. [2022-07-22 23:51:02,713 INFO L78 Accepts]: Start accepts. Automaton has 6158 states and 8885 transitions. Word has length 376 [2022-07-22 23:51:02,715 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 23:51:02,716 INFO L495 AbstractCegarLoop]: Abstraction has 6158 states and 8885 transitions. [2022-07-22 23:51:02,716 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 34.9) internal successors, (349), 10 states have internal predecessors, (349), 2 states have call successors, (103), 2 states have call predecessors, (103), 4 states have return successors, (103), 2 states have call predecessors, (103), 2 states have call successors, (103) [2022-07-22 23:51:02,716 INFO L276 IsEmpty]: Start isEmpty. Operand 6158 states and 8885 transitions. [2022-07-22 23:51:02,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 385 [2022-07-22 23:51:02,733 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 23:51:02,733 INFO L195 NwaCegarLoop]: trace histogram [20, 9, 9, 9, 9, 9, 8, 8, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 23:51:02,847 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Ended with exit code 0 [2022-07-22 23:51:02,951 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-22 23:51:02,952 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 23:51:02,952 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 23:51:02,952 INFO L85 PathProgramCache]: Analyzing trace with hash -1133275865, now seen corresponding path program 2 times [2022-07-22 23:51:02,956 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-22 23:51:02,956 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2043281121] [2022-07-22 23:51:02,956 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-07-22 23:51:02,956 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-22 23:51:02,956 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-22 23:51:02,960 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) [2022-07-22 23:51:02,962 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process