./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 ff03de63 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-dev-ff03de6 [2021-12-21 16:12:01,596 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-21 16:12:01,614 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-21 16:12:01,656 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-21 16:12:01,657 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-21 16:12:01,661 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-21 16:12:01,662 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-21 16:12:01,668 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-21 16:12:01,670 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-21 16:12:01,672 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-21 16:12:01,673 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-21 16:12:01,675 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-21 16:12:01,675 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-21 16:12:01,680 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-21 16:12:01,681 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-21 16:12:01,683 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-21 16:12:01,686 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-21 16:12:01,687 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-21 16:12:01,688 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-21 16:12:01,690 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-21 16:12:01,695 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-21 16:12:01,696 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-21 16:12:01,697 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-21 16:12:01,698 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-21 16:12:01,700 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-21 16:12:01,701 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-21 16:12:01,702 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-21 16:12:01,703 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-21 16:12:01,704 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-21 16:12:01,705 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-21 16:12:01,705 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-21 16:12:01,706 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-21 16:12:01,708 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-21 16:12:01,709 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-21 16:12:01,710 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-21 16:12:01,710 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-21 16:12:01,710 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-21 16:12:01,711 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-21 16:12:01,711 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-21 16:12:01,712 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-21 16:12:01,712 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-21 16:12:01,713 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-21 16:12:01,746 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-21 16:12:01,748 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-21 16:12:01,749 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-21 16:12:01,749 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-21 16:12:01,750 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-21 16:12:01,750 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-21 16:12:01,751 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-21 16:12:01,751 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-21 16:12:01,751 INFO L138 SettingsManager]: * Use SBE=true [2021-12-21 16:12:01,751 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-21 16:12:01,752 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-21 16:12:01,752 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-21 16:12:01,753 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-21 16:12:01,753 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-21 16:12:01,753 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-21 16:12:01,753 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-21 16:12:01,753 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-21 16:12:01,753 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-21 16:12:01,754 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-21 16:12:01,754 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-21 16:12:01,754 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-21 16:12:01,754 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-21 16:12:01,755 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-21 16:12:01,755 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-21 16:12:01,755 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-21 16:12:01,755 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-21 16:12:01,755 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-21 16:12:01,756 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-21 16:12:01,756 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-21 16:12:01,756 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-21 16:12:01,756 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-21 16:12:01,756 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c5e008b04b7be5a7eb3cfb5abbdeca875ac459e6636eb5b98613fa9fcb2277a8 [2021-12-21 16:12:01,967 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-21 16:12:01,987 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-21 16:12:01,990 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-21 16:12:01,991 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-21 16:12:01,992 INFO L275 PluginConnector]: CDTParser initialized [2021-12-21 16:12:01,993 INFO L432 ainManager$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 [2021-12-21 16:12:02,054 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/eec463934/b9cfa53b658e44178187d8bf48e05596/FLAG7b9a66ebc [2021-12-21 16:12:02,941 INFO L306 CDTParser]: Found 1 translation units. [2021-12-21 16:12:02,942 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 [2021-12-21 16:12:02,998 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/eec463934/b9cfa53b658e44178187d8bf48e05596/FLAG7b9a66ebc [2021-12-21 16:12:03,429 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/eec463934/b9cfa53b658e44178187d8bf48e05596 [2021-12-21 16:12:03,431 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-21 16:12:03,432 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-21 16:12:03,433 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-21 16:12:03,433 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-21 16:12:03,436 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-21 16:12:03,436 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 04:12:03" (1/1) ... [2021-12-21 16:12:03,437 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@506a3bf3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:12:03, skipping insertion in model container [2021-12-21 16:12:03,438 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 04:12:03" (1/1) ... [2021-12-21 16:12:03,442 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-21 16:12:03,595 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-21 16:12:04,947 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] [2021-12-21 16:12:07,012 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-21 16:12:07,098 INFO L203 MainTranslator]: Completed pre-run [2021-12-21 16:12:07,243 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] [2021-12-21 16:12:07,519 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-21 16:12:07,731 INFO L208 MainTranslator]: Completed translation [2021-12-21 16:12:07,732 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:12:07 WrapperNode [2021-12-21 16:12:07,732 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-21 16:12:07,733 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-21 16:12:07,733 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-21 16:12:07,734 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-21 16:12:07,740 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:12:07" (1/1) ... [2021-12-21 16:12:07,912 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:12:07" (1/1) ... [2021-12-21 16:12:08,218 INFO L137 Inliner]: procedures = 423, calls = 5945, calls flagged for inlining = 205, calls inlined = 187, statements flattened = 11335 [2021-12-21 16:12:08,219 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-21 16:12:08,220 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-21 16:12:08,220 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-21 16:12:08,220 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-21 16:12:08,228 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:12:07" (1/1) ... [2021-12-21 16:12:08,229 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:12:07" (1/1) ... [2021-12-21 16:12:08,295 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:12:07" (1/1) ... [2021-12-21 16:12:08,296 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:12:07" (1/1) ... [2021-12-21 16:12:08,549 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:12:07" (1/1) ... [2021-12-21 16:12:08,571 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:12:07" (1/1) ... [2021-12-21 16:12:08,627 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:12:07" (1/1) ... [2021-12-21 16:12:08,694 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-21 16:12:08,695 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-21 16:12:08,696 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-21 16:12:08,696 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-21 16:12:08,697 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:12:07" (1/1) ... [2021-12-21 16:12:08,704 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-21 16:12:08,713 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 16:12:08,725 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) [2021-12-21 16:12:08,749 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 [2021-12-21 16:12:08,766 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2021-12-21 16:12:08,766 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2021-12-21 16:12:08,766 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2021-12-21 16:12:08,766 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2021-12-21 16:12:08,767 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_write_vfta [2021-12-21 16:12:08,767 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_write_vfta [2021-12-21 16:12:08,767 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-21 16:12:08,767 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-21 16:12:08,767 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_standby_eeprom [2021-12-21 16:12:08,767 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_standby_eeprom [2021-12-21 16:12:08,768 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_io_error_detected [2021-12-21 16:12:08,768 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_io_error_detected [2021-12-21 16:12:08,768 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2021-12-21 16:12:08,768 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2021-12-21 16:12:08,768 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-12-21 16:12:08,768 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-12-21 16:12:08,768 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2021-12-21 16:12:08,769 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2021-12-21 16:12:08,769 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-12-21 16:12:08,769 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-12-21 16:12:08,769 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_alloc_rx_buffers [2021-12-21 16:12:08,769 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_alloc_rx_buffers [2021-12-21 16:12:08,769 INFO L130 BoogieDeclarations]: Found specification of procedure mac_addr_valid [2021-12-21 16:12:08,769 INFO L138 BoogieDeclarations]: Found implementation of procedure mac_addr_valid [2021-12-21 16:12:08,769 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_vlan_rx_add_vid [2021-12-21 16:12:08,770 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_vlan_rx_add_vid [2021-12-21 16:12:08,770 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_free_tx_resources [2021-12-21 16:12:08,770 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_free_tx_resources [2021-12-21 16:12:08,770 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2021-12-21 16:12:08,770 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2021-12-21 16:12:08,770 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_set_features [2021-12-21 16:12:08,770 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_set_features [2021-12-21 16:12:08,771 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_set_multi [2021-12-21 16:12:08,771 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_set_multi [2021-12-21 16:12:08,771 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_rar_set [2021-12-21 16:12:08,771 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_rar_set [2021-12-21 16:12:08,771 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2021-12-21 16:12:08,772 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2021-12-21 16:12:08,772 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2021-12-21 16:12:08,772 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2021-12-21 16:12:08,772 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2021-12-21 16:12:08,772 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2021-12-21 16:12:08,772 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2021-12-21 16:12:08,773 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2021-12-21 16:12:08,773 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u32 [2021-12-21 16:12:08,773 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-21 16:12:08,773 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2021-12-21 16:12:08,773 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2021-12-21 16:12:08,773 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_validate_eeprom_checksum [2021-12-21 16:12:08,773 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_validate_eeprom_checksum [2021-12-21 16:12:08,774 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-12-21 16:12:08,774 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-12-21 16:12:08,774 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_netpoll [2021-12-21 16:12:08,775 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_netpoll [2021-12-21 16:12:08,775 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-12-21 16:12:08,775 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-12-21 16:12:08,775 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-21 16:12:08,776 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_raise_clock [2021-12-21 16:12:08,776 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_raise_clock [2021-12-21 16:12:08,777 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_write_eeprom [2021-12-21 16:12:08,777 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_write_eeprom [2021-12-21 16:12:08,777 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-12-21 16:12:08,777 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-12-21 16:12:08,777 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_identify_xpak_vendor [2021-12-21 16:12:08,777 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_identify_xpak_vendor [2021-12-21 16:12:08,777 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-21 16:12:08,778 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_mac_reset [2021-12-21 16:12:08,778 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_mac_reset [2021-12-21 16:12:08,778 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_2 [2021-12-21 16:12:08,778 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_2 [2021-12-21 16:12:08,778 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_read_eeprom [2021-12-21 16:12:08,779 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_read_eeprom [2021-12-21 16:12:08,779 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-21 16:12:08,779 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_free_rx_resources [2021-12-21 16:12:08,779 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_free_rx_resources [2021-12-21 16:12:08,779 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-12-21 16:12:08,779 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-12-21 16:12:08,780 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headroom [2021-12-21 16:12:08,780 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headroom [2021-12-21 16:12:08,780 INFO L130 BoogieDeclarations]: Found specification of procedure vzalloc [2021-12-21 16:12:08,780 INFO L138 BoogieDeclarations]: Found implementation of procedure vzalloc [2021-12-21 16:12:08,780 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-21 16:12:08,780 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-21 16:12:08,781 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_header [2021-12-21 16:12:08,781 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_header [2021-12-21 16:12:08,781 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_get_regs_len [2021-12-21 16:12:08,781 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_get_regs_len [2021-12-21 16:12:08,782 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2021-12-21 16:12:08,782 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2021-12-21 16:12:08,782 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-12-21 16:12:08,782 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-12-21 16:12:08,783 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_read_phy_reg [2021-12-21 16:12:08,783 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_read_phy_reg [2021-12-21 16:12:08,783 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u16 [2021-12-21 16:12:08,784 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_check_for_link [2021-12-21 16:12:08,784 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_check_for_link [2021-12-21 16:12:08,784 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_validate_option [2021-12-21 16:12:08,784 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_validate_option [2021-12-21 16:12:08,785 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-21 16:12:08,785 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2021-12-21 16:12:08,785 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2021-12-21 16:12:08,785 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-21 16:12:08,785 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2021-12-21 16:12:08,785 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2021-12-21 16:12:08,786 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-12-21 16:12:08,786 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-12-21 16:12:08,786 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-21 16:12:08,786 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_2 [2021-12-21 16:12:08,786 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_2 [2021-12-21 16:12:08,786 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_lower_clock [2021-12-21 16:12:08,786 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_lower_clock [2021-12-21 16:12:08,787 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_reset [2021-12-21 16:12:08,787 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_reset [2021-12-21 16:12:08,787 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2021-12-21 16:12:08,787 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2021-12-21 16:12:08,787 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_get_eeprom_len [2021-12-21 16:12:08,788 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_get_eeprom_len [2021-12-21 16:12:08,788 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_up [2021-12-21 16:12:08,789 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_up [2021-12-21 16:12:08,791 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_irq_enable [2021-12-21 16:12:08,791 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_irq_enable [2021-12-21 16:12:08,792 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2021-12-21 16:12:08,792 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2021-12-21 16:12:08,793 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-12-21 16:12:08,793 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-12-21 16:12:08,793 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_setup_tx_resources [2021-12-21 16:12:08,794 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_setup_tx_resources [2021-12-21 16:12:08,794 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_maybe_stop_tx [2021-12-21 16:12:08,799 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_maybe_stop_tx [2021-12-21 16:12:08,799 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_intr [2021-12-21 16:12:08,799 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_intr [2021-12-21 16:12:08,799 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2021-12-21 16:12:08,800 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2021-12-21 16:12:08,800 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-12-21 16:12:08,800 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-12-21 16:12:08,800 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-21 16:12:08,800 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-21 16:12:08,800 INFO L130 BoogieDeclarations]: Found specification of procedure tcp_hdr [2021-12-21 16:12:08,800 INFO L138 BoogieDeclarations]: Found implementation of procedure tcp_hdr [2021-12-21 16:12:08,800 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2021-12-21 16:12:08,801 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2021-12-21 16:12:08,801 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-21 16:12:08,801 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-21 16:12:08,801 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-21 16:12:08,801 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-21 16:12:08,801 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2021-12-21 16:12:08,802 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2021-12-21 16:12:08,802 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2021-12-21 16:12:08,802 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2021-12-21 16:12:08,802 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2021-12-21 16:12:08,802 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2021-12-21 16:12:08,802 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_update_stats [2021-12-21 16:12:08,802 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_update_stats [2021-12-21 16:12:08,802 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_6 [2021-12-21 16:12:08,803 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_6 [2021-12-21 16:12:08,803 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-12-21 16:12:08,803 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-12-21 16:12:08,803 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_check_and_get_eeprom_data [2021-12-21 16:12:08,803 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_check_and_get_eeprom_data [2021-12-21 16:12:08,803 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2021-12-21 16:12:08,803 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2021-12-21 16:12:08,803 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-21 16:12:08,804 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-21 16:12:08,804 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-21 16:12:08,804 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-21 16:12:08,804 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2021-12-21 16:12:08,804 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2021-12-21 16:12:08,804 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb_ip_align [2021-12-21 16:12:08,804 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb_ip_align [2021-12-21 16:12:08,804 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2021-12-21 16:12:08,805 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2021-12-21 16:12:08,805 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2021-12-21 16:12:08,805 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2021-12-21 16:12:08,805 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2021-12-21 16:12:08,805 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2021-12-21 16:12:08,805 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-21 16:12:08,805 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2021-12-21 16:12:08,805 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2021-12-21 16:12:08,806 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2021-12-21 16:12:08,806 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2021-12-21 16:12:08,806 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-21 16:12:08,806 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_remove [2021-12-21 16:12:08,806 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_remove [2021-12-21 16:12:08,806 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_vlan_rx_kill_vid [2021-12-21 16:12:08,806 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_vlan_rx_kill_vid [2021-12-21 16:12:08,806 INFO L130 BoogieDeclarations]: Found specification of procedure is_zero_ether_addr [2021-12-21 16:12:08,807 INFO L138 BoogieDeclarations]: Found implementation of procedure is_zero_ether_addr [2021-12-21 16:12:08,807 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-21 16:12:08,807 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_change_mtu [2021-12-21 16:12:08,807 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_change_mtu [2021-12-21 16:12:08,807 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2021-12-21 16:12:08,807 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2021-12-21 16:12:08,807 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-12-21 16:12:08,807 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-12-21 16:12:08,808 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-12-21 16:12:08,808 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-12-21 16:12:08,808 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_link_reset [2021-12-21 16:12:08,808 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_link_reset [2021-12-21 16:12:08,808 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_set_speed_duplex [2021-12-21 16:12:08,808 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_set_speed_duplex [2021-12-21 16:12:08,808 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_fix_features [2021-12-21 16:12:08,808 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_fix_features [2021-12-21 16:12:08,809 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2021-12-21 16:12:08,809 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2021-12-21 16:12:08,809 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-12-21 16:12:08,809 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-12-21 16:12:08,809 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_io_slot_reset [2021-12-21 16:12:08,809 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_io_slot_reset [2021-12-21 16:12:08,809 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free [2021-12-21 16:12:08,809 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free [2021-12-21 16:12:08,810 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_offset [2021-12-21 16:12:08,810 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_offset [2021-12-21 16:12:08,810 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-12-21 16:12:08,810 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-12-21 16:12:08,810 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_unmap_and_free_tx_resource [2021-12-21 16:12:08,810 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_unmap_and_free_tx_resource [2021-12-21 16:12:08,810 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_header [2021-12-21 16:12:08,810 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_header [2021-12-21 16:12:08,811 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-21 16:12:08,811 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-21 16:12:08,811 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_set_mac [2021-12-21 16:12:08,811 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_set_mac [2021-12-21 16:12:08,811 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-21 16:12:08,811 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_setup_eeprom [2021-12-21 16:12:08,811 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_setup_eeprom [2021-12-21 16:12:08,811 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-21 16:12:08,812 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-21 16:12:08,812 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_write_phy_reg [2021-12-21 16:12:08,812 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_write_phy_reg [2021-12-21 16:12:08,812 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2021-12-21 16:12:08,812 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2021-12-21 16:12:08,812 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_get_ee_mac_addr [2021-12-21 16:12:08,812 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_get_ee_mac_addr [2021-12-21 16:12:08,812 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2021-12-21 16:12:08,813 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2021-12-21 16:12:08,813 INFO L130 BoogieDeclarations]: Found specification of procedure dma_set_mask_and_coherent [2021-12-21 16:12:08,813 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_set_mask_and_coherent [2021-12-21 16:12:08,813 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_clean_tx_ring [2021-12-21 16:12:08,813 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_clean_tx_ring [2021-12-21 16:12:08,813 INFO L130 BoogieDeclarations]: Found specification of procedure is_multicast_ether_addr [2021-12-21 16:12:08,813 INFO L138 BoogieDeclarations]: Found implementation of procedure is_multicast_ether_addr [2021-12-21 16:12:08,813 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2021-12-21 16:12:08,814 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2021-12-21 16:12:08,814 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_clean_rx_ring [2021-12-21 16:12:08,814 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_clean_rx_ring [2021-12-21 16:12:08,815 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_shift_out_bits [2021-12-21 16:12:08,815 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_shift_out_bits [2021-12-21 16:12:08,815 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_down [2021-12-21 16:12:08,815 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_down [2021-12-21 16:12:08,815 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2021-12-21 16:12:08,815 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2021-12-21 16:12:08,816 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_tx_timeout [2021-12-21 16:12:08,816 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_tx_timeout [2021-12-21 16:12:08,816 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_setup_rx_resources [2021-12-21 16:12:08,816 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_setup_rx_resources [2021-12-21 16:12:08,817 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2021-12-21 16:12:08,817 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2021-12-21 16:12:08,817 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2021-12-21 16:12:08,817 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2021-12-21 16:12:08,817 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_get_stats [2021-12-21 16:12:08,817 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_get_stats [2021-12-21 16:12:08,818 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2021-12-21 16:12:08,818 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2021-12-21 16:12:08,818 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_msi [2021-12-21 16:12:08,818 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_msi [2021-12-21 16:12:08,818 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2021-12-21 16:12:08,818 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2021-12-21 16:12:08,818 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-21 16:12:08,818 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2021-12-21 16:12:08,819 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_get_eeprom_data [2021-12-21 16:12:08,819 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_get_eeprom_data [2021-12-21 16:12:09,886 INFO L234 CfgBuilder]: Building ICFG [2021-12-21 16:12:09,889 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-21 16:12:10,184 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-21 16:12:35,983 INFO L275 CfgBuilder]: Performing block encoding [2021-12-21 16:12:36,014 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-21 16:12:36,014 INFO L299 CfgBuilder]: Removed 3 assume(true) statements. [2021-12-21 16:12:36,019 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 04:12:36 BoogieIcfgContainer [2021-12-21 16:12:36,019 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-21 16:12:36,020 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-21 16:12:36,020 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-21 16:12:36,023 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-21 16:12:36,023 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.12 04:12:03" (1/3) ... [2021-12-21 16:12:36,024 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@218f9f60 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.12 04:12:36, skipping insertion in model container [2021-12-21 16:12:36,025 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:12:07" (2/3) ... [2021-12-21 16:12:36,025 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@218f9f60 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.12 04:12:36, skipping insertion in model container [2021-12-21 16:12:36,025 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 04:12:36" (3/3) ... [2021-12-21 16:12:36,026 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 [2021-12-21 16:12:36,031 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-21 16:12:36,032 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-21 16:12:36,085 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-21 16:12:36,090 INFO L339 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, mLoopAccelerationTechnique=FAST_UPR [2021-12-21 16:12:36,091 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-21 16:12:36,159 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) [2021-12-21 16:12:36,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2021-12-21 16:12:36,170 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 16:12:36,171 INFO L514 BasicCegarLoop]: 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] [2021-12-21 16:12:36,172 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 16:12:36,176 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 16:12:36,176 INFO L85 PathProgramCache]: Analyzing trace with hash 1632160076, now seen corresponding path program 1 times [2021-12-21 16:12:36,184 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 16:12:36,185 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [194847795] [2021-12-21 16:12:36,185 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 16:12:36,186 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 16:12:36,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:12:37,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-21 16:12:37,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:12:37,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-21 16:12:37,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:12:37,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-21 16:12:37,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:12:37,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-12-21 16:12:37,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:12:37,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-21 16:12:37,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:12:37,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-21 16:12:37,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:12:37,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2021-12-21 16:12:37,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:12:37,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2021-12-21 16:12:37,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:12:37,268 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2021-12-21 16:12:37,268 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 16:12:37,269 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [194847795] [2021-12-21 16:12:37,273 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [194847795] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 16:12:37,273 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 16:12:37,273 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-21 16:12:37,275 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2114042518] [2021-12-21 16:12:37,275 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 16:12:37,280 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-21 16:12:37,280 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 16:12:37,307 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-21 16:12:37,307 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-21 16:12:37,315 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 5 states, 5 states have (on average 6.4) internal successors, (32), 3 states have internal predecessors, (32), 2 states have call successors, (9), 3 states have call predecessors, (9), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) [2021-12-21 16:12:50,869 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-21 16:12:52,898 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-21 16:12:55,665 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-21 16:12:57,693 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []