./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--net--ethernet--sfc--sfc.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e19ca921 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--net--ethernet--sfc--sfc.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 90dd28ecd70bd1444b4f76a39bed4bd21c310e8f72d578c41856da9ec174d484 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-e19ca92 [2021-12-22 15:02:47,611 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-22 15:02:47,613 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-22 15:02:47,647 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-22 15:02:47,651 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-22 15:02:47,652 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-22 15:02:47,662 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-22 15:02:47,664 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-22 15:02:47,666 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-22 15:02:47,667 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-22 15:02:47,668 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-22 15:02:47,670 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-22 15:02:47,670 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-22 15:02:47,672 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-22 15:02:47,673 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-22 15:02:47,674 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-22 15:02:47,675 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-22 15:02:47,676 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-22 15:02:47,678 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-22 15:02:47,679 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-22 15:02:47,680 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-22 15:02:47,681 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-22 15:02:47,682 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-22 15:02:47,683 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-22 15:02:47,685 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-22 15:02:47,685 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-22 15:02:47,685 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-22 15:02:47,686 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-22 15:02:47,686 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-22 15:02:47,687 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-22 15:02:47,687 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-22 15:02:47,688 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-22 15:02:47,689 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-22 15:02:47,689 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-22 15:02:47,690 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-22 15:02:47,690 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-22 15:02:47,691 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-22 15:02:47,691 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-22 15:02:47,691 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-22 15:02:47,692 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-22 15:02:47,693 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-22 15:02:47,694 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-22 15:02:47,713 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-22 15:02:47,713 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-22 15:02:47,714 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-22 15:02:47,714 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-22 15:02:47,715 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-22 15:02:47,715 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-22 15:02:47,716 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-22 15:02:47,716 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-22 15:02:47,716 INFO L138 SettingsManager]: * Use SBE=true [2021-12-22 15:02:47,716 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-22 15:02:47,717 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-22 15:02:47,717 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-22 15:02:47,718 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-22 15:02:47,718 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-22 15:02:47,718 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-22 15:02:47,718 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-22 15:02:47,718 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-22 15:02:47,718 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-22 15:02:47,719 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-22 15:02:47,719 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-22 15:02:47,719 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-22 15:02:47,719 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-22 15:02:47,719 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-22 15:02:47,720 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-22 15:02:47,720 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-22 15:02:47,720 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-22 15:02:47,720 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-22 15:02:47,720 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-22 15:02:47,720 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-22 15:02:47,721 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-22 15:02:47,721 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-22 15:02:47,721 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 90dd28ecd70bd1444b4f76a39bed4bd21c310e8f72d578c41856da9ec174d484 [2021-12-22 15:02:48,005 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-22 15:02:48,030 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-22 15:02:48,033 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-22 15:02:48,034 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-22 15:02:48,035 INFO L275 PluginConnector]: CDTParser initialized [2021-12-22 15:02:48,036 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--net--ethernet--sfc--sfc.ko-entry_point.cil.out.i [2021-12-22 15:02:48,106 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/75eb03400/d9f287780efb4ba6a1d407f4e8906d00/FLAGb22bfcee6 [2021-12-22 15:02:49,722 INFO L306 CDTParser]: Found 1 translation units. [2021-12-22 15:02:49,723 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--net--ethernet--sfc--sfc.ko-entry_point.cil.out.i [2021-12-22 15:02:49,886 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/75eb03400/d9f287780efb4ba6a1d407f4e8906d00/FLAGb22bfcee6 [2021-12-22 15:02:50,127 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/75eb03400/d9f287780efb4ba6a1d407f4e8906d00 [2021-12-22 15:02:50,130 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-22 15:02:50,133 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-22 15:02:50,136 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-22 15:02:50,136 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-22 15:02:50,141 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-22 15:02:50,142 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 03:02:50" (1/1) ... [2021-12-22 15:02:50,143 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6e95f9ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:02:50, skipping insertion in model container [2021-12-22 15:02:50,143 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 03:02:50" (1/1) ... [2021-12-22 15:02:50,150 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-22 15:02:50,602 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-22 15:03:36,102 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--net--ethernet--sfc--sfc.ko-entry_point.cil.out.i[1873812,1873825] [2021-12-22 15:03:37,770 WARN L610 FunctionHandler]: implicit declaration of function ldv_xmalloc [2021-12-22 15:03:37,810 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-22 15:03:37,997 INFO L203 MainTranslator]: Completed pre-run [2021-12-22 15:03:40,924 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--net--ethernet--sfc--sfc.ko-entry_point.cil.out.i[1873812,1873825] [2021-12-22 15:03:40,941 WARN L610 FunctionHandler]: implicit declaration of function ldv_xmalloc [2021-12-22 15:03:40,945 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-22 15:03:42,401 INFO L208 MainTranslator]: Completed translation [2021-12-22 15:03:42,401 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:03:42 WrapperNode [2021-12-22 15:03:42,402 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-22 15:03:42,403 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-22 15:03:42,403 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-22 15:03:42,403 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-22 15:03:42,410 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:03:42" (1/1) ... [2021-12-22 15:03:42,929 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:03:42" (1/1) ... [2021-12-22 15:03:43,979 INFO L137 Inliner]: procedures = 2270, calls = 26773, calls flagged for inlining = 679, calls inlined = 669, statements flattened = 48158 [2021-12-22 15:03:43,981 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-22 15:03:43,982 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-22 15:03:43,982 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-22 15:03:43,982 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-22 15:03:44,007 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:03:42" (1/1) ... [2021-12-22 15:03:44,008 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:03:42" (1/1) ... [2021-12-22 15:03:44,724 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:03:42" (1/1) ... [2021-12-22 15:03:44,729 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:03:42" (1/1) ... [2021-12-22 15:03:46,190 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:03:42" (1/1) ...