./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 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-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-e19ca92 [2021-12-22 14:38:43,039 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-22 14:38:43,041 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-22 14:38:43,088 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-22 14:38:43,089 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-22 14:38:43,091 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-22 14:38:43,092 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-22 14:38:43,094 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-22 14:38:43,095 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-22 14:38:43,099 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-22 14:38:43,099 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-22 14:38:43,100 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-22 14:38:43,101 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-22 14:38:43,102 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-22 14:38:43,103 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-22 14:38:43,105 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-22 14:38:43,106 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-22 14:38:43,106 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-22 14:38:43,108 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-22 14:38:43,112 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-22 14:38:43,113 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-22 14:38:43,114 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-22 14:38:43,115 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-22 14:38:43,116 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-22 14:38:43,120 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-22 14:38:43,121 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-22 14:38:43,121 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-22 14:38:43,122 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-22 14:38:43,122 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-22 14:38:43,123 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-22 14:38:43,123 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-22 14:38:43,124 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-22 14:38:43,125 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-22 14:38:43,125 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-22 14:38:43,126 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-22 14:38:43,126 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-22 14:38:43,127 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-22 14:38:43,127 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-22 14:38:43,127 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-22 14:38:43,128 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-22 14:38:43,128 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-22 14:38:43,130 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-22 14:38:43,153 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-22 14:38:43,153 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-22 14:38:43,153 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-22 14:38:43,154 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-22 14:38:43,154 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-22 14:38:43,154 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-22 14:38:43,155 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-22 14:38:43,155 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-22 14:38:43,155 INFO L138 SettingsManager]: * Use SBE=true [2021-12-22 14:38:43,155 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-22 14:38:43,156 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-22 14:38:43,156 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-22 14:38:43,156 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-22 14:38:43,157 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-22 14:38:43,157 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-22 14:38:43,157 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-22 14:38:43,157 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-22 14:38:43,157 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-22 14:38:43,157 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-22 14:38:43,158 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-22 14:38:43,158 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-22 14:38:43,158 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-22 14:38:43,158 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-22 14:38:43,158 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-22 14:38:43,158 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-22 14:38:43,158 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-22 14:38:43,159 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-22 14:38:43,159 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-22 14:38:43,159 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-22 14:38:43,159 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-22 14:38:43,159 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-22 14:38:43,159 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c5e008b04b7be5a7eb3cfb5abbdeca875ac459e6636eb5b98613fa9fcb2277a8 [2021-12-22 14:38:43,361 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-22 14:38:43,378 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-22 14:38:43,380 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-22 14:38:43,381 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-22 14:38:43,383 INFO L275 PluginConnector]: CDTParser initialized [2021-12-22 14:38:43,384 INFO L432 ainManager$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 [2021-12-22 14:38:43,430 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8c6fa7300/79ed285e96e64019b870683ca27bedcc/FLAG2ad38c37d [2021-12-22 14:38:44,118 INFO L306 CDTParser]: Found 1 translation units. [2021-12-22 14:38:44,119 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 [2021-12-22 14:38:44,174 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8c6fa7300/79ed285e96e64019b870683ca27bedcc/FLAG2ad38c37d [2021-12-22 14:38:44,212 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8c6fa7300/79ed285e96e64019b870683ca27bedcc [2021-12-22 14:38:44,216 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-22 14:38:44,217 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-22 14:38:44,220 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-22 14:38:44,220 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-22 14:38:44,223 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-22 14:38:44,224 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 02:38:44" (1/1) ... [2021-12-22 14:38:44,225 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ec6fe41 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:38:44, skipping insertion in model container [2021-12-22 14:38:44,225 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 02:38:44" (1/1) ... [2021-12-22 14:38:44,231 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-22 14:38:44,347 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-22 14:38:45,567 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] [2021-12-22 14:38:47,106 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-22 14:38:47,161 INFO L203 MainTranslator]: Completed pre-run [2021-12-22 14:38:47,255 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] [2021-12-22 14:38:47,473 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-22 14:38:47,643 INFO L208 MainTranslator]: Completed translation [2021-12-22 14:38:47,644 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:38:47 WrapperNode [2021-12-22 14:38:47,644 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-22 14:38:47,645 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-22 14:38:47,645 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-22 14:38:47,645 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-22 14:38:47,650 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:38:47" (1/1) ... [2021-12-22 14:38:47,810 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:38:47" (1/1) ... [2021-12-22 14:38:48,082 INFO L137 Inliner]: procedures = 423, calls = 5945, calls flagged for inlining = 205, calls inlined = 187, statements flattened = 11335 [2021-12-22 14:38:48,083 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-22 14:38:48,084 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-22 14:38:48,084 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-22 14:38:48,084 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-22 14:38:48,089 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:38:47" (1/1) ... [2021-12-22 14:38:48,090 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:38:47" (1/1) ... [2021-12-22 14:38:48,139 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:38:47" (1/1) ... [2021-12-22 14:38:48,140 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:38:47" (1/1) ... [2021-12-22 14:38:48,326 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:38:47" (1/1) ... [2021-12-22 14:38:48,372 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:38:47" (1/1) ... [2021-12-22 14:38:48,454 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:38:47" (1/1) ... [2021-12-22 14:38:48,544 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-22 14:38:48,545 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-22 14:38:48,545 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-22 14:38:48,545 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-22 14:38:48,545 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:38:47" (1/1) ... [2021-12-22 14:38:48,565 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-22 14:38:48,572 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 14:38:48,602 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) [2021-12-22 14:38:48,604 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 [2021-12-22 14:38:48,627 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2021-12-22 14:38:48,628 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2021-12-22 14:38:48,628 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2021-12-22 14:38:48,628 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2021-12-22 14:38:48,628 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_write_vfta [2021-12-22 14:38:48,628 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_write_vfta [2021-12-22 14:38:48,628 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-22 14:38:48,629 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-22 14:38:48,629 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_standby_eeprom [2021-12-22 14:38:48,629 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_standby_eeprom [2021-12-22 14:38:48,629 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_io_error_detected [2021-12-22 14:38:48,629 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_io_error_detected [2021-12-22 14:38:48,629 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2021-12-22 14:38:48,629 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2021-12-22 14:38:48,629 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-12-22 14:38:48,630 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-12-22 14:38:48,630 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2021-12-22 14:38:48,630 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2021-12-22 14:38:48,630 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-12-22 14:38:48,630 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-12-22 14:38:48,630 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_alloc_rx_buffers [2021-12-22 14:38:48,630 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_alloc_rx_buffers [2021-12-22 14:38:48,630 INFO L130 BoogieDeclarations]: Found specification of procedure mac_addr_valid [2021-12-22 14:38:48,631 INFO L138 BoogieDeclarations]: Found implementation of procedure mac_addr_valid [2021-12-22 14:38:48,631 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_vlan_rx_add_vid [2021-12-22 14:38:48,631 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_vlan_rx_add_vid [2021-12-22 14:38:48,631 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_free_tx_resources [2021-12-22 14:38:48,631 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_free_tx_resources [2021-12-22 14:38:48,631 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2021-12-22 14:38:48,631 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2021-12-22 14:38:48,631 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_set_features [2021-12-22 14:38:48,632 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_set_features [2021-12-22 14:38:48,632 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_set_multi [2021-12-22 14:38:48,632 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_set_multi [2021-12-22 14:38:48,632 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_rar_set [2021-12-22 14:38:48,632 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_rar_set [2021-12-22 14:38:48,632 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2021-12-22 14:38:48,632 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2021-12-22 14:38:48,633 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2021-12-22 14:38:48,633 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2021-12-22 14:38:48,633 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2021-12-22 14:38:48,633 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2021-12-22 14:38:48,633 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2021-12-22 14:38:48,633 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2021-12-22 14:38:48,633 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u32 [2021-12-22 14:38:48,633 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-22 14:38:48,634 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2021-12-22 14:38:48,634 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2021-12-22 14:38:48,634 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_validate_eeprom_checksum [2021-12-22 14:38:48,634 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_validate_eeprom_checksum [2021-12-22 14:38:48,634 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-12-22 14:38:48,634 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-12-22 14:38:48,634 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_netpoll [2021-12-22 14:38:48,634 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_netpoll [2021-12-22 14:38:48,635 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-12-22 14:38:48,635 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-12-22 14:38:48,635 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-22 14:38:48,635 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_raise_clock [2021-12-22 14:38:48,635 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_raise_clock [2021-12-22 14:38:48,635 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_write_eeprom [2021-12-22 14:38:48,635 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_write_eeprom [2021-12-22 14:38:48,635 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-12-22 14:38:48,636 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-12-22 14:38:48,636 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_identify_xpak_vendor [2021-12-22 14:38:48,636 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_identify_xpak_vendor [2021-12-22 14:38:48,636 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-22 14:38:48,636 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_mac_reset [2021-12-22 14:38:48,636 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_mac_reset [2021-12-22 14:38:48,636 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_2 [2021-12-22 14:38:48,636 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_2 [2021-12-22 14:38:48,637 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_read_eeprom [2021-12-22 14:38:48,637 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_read_eeprom [2021-12-22 14:38:48,637 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-22 14:38:48,637 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_free_rx_resources [2021-12-22 14:38:48,637 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_free_rx_resources [2021-12-22 14:38:48,637 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-12-22 14:38:48,637 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-12-22 14:38:48,637 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headroom [2021-12-22 14:38:48,638 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headroom [2021-12-22 14:38:48,638 INFO L130 BoogieDeclarations]: Found specification of procedure vzalloc [2021-12-22 14:38:48,638 INFO L138 BoogieDeclarations]: Found implementation of procedure vzalloc [2021-12-22 14:38:48,638 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-22 14:38:48,638 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-22 14:38:48,638 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_header [2021-12-22 14:38:48,638 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_header [2021-12-22 14:38:48,638 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_get_regs_len [2021-12-22 14:38:48,639 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_get_regs_len [2021-12-22 14:38:48,639 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2021-12-22 14:38:48,639 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2021-12-22 14:38:48,639 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-12-22 14:38:48,639 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-12-22 14:38:48,639 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_read_phy_reg [2021-12-22 14:38:48,639 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_read_phy_reg [2021-12-22 14:38:48,639 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u16 [2021-12-22 14:38:48,640 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_check_for_link [2021-12-22 14:38:48,640 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_check_for_link [2021-12-22 14:38:48,640 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_validate_option [2021-12-22 14:38:48,640 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_validate_option [2021-12-22 14:38:48,640 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-22 14:38:48,640 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2021-12-22 14:38:48,640 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2021-12-22 14:38:48,641 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-22 14:38:48,641 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2021-12-22 14:38:48,641 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2021-12-22 14:38:48,641 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-12-22 14:38:48,641 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-12-22 14:38:48,641 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-22 14:38:48,641 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_2 [2021-12-22 14:38:48,641 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_2 [2021-12-22 14:38:48,642 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_lower_clock [2021-12-22 14:38:48,642 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_lower_clock [2021-12-22 14:38:48,642 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_reset [2021-12-22 14:38:48,642 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_reset [2021-12-22 14:38:48,642 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2021-12-22 14:38:48,642 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2021-12-22 14:38:48,642 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_get_eeprom_len [2021-12-22 14:38:48,642 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_get_eeprom_len [2021-12-22 14:38:48,643 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_up [2021-12-22 14:38:48,643 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_up [2021-12-22 14:38:48,643 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_irq_enable [2021-12-22 14:38:48,643 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_irq_enable [2021-12-22 14:38:48,643 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2021-12-22 14:38:48,643 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2021-12-22 14:38:48,643 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-12-22 14:38:48,643 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-12-22 14:38:48,644 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_setup_tx_resources [2021-12-22 14:38:48,644 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_setup_tx_resources [2021-12-22 14:38:48,644 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_maybe_stop_tx [2021-12-22 14:38:48,644 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_maybe_stop_tx [2021-12-22 14:38:48,644 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_intr [2021-12-22 14:38:48,644 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_intr [2021-12-22 14:38:48,644 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2021-12-22 14:38:48,644 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2021-12-22 14:38:48,645 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-12-22 14:38:48,645 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-12-22 14:38:48,645 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-22 14:38:48,645 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-22 14:38:48,645 INFO L130 BoogieDeclarations]: Found specification of procedure tcp_hdr [2021-12-22 14:38:48,645 INFO L138 BoogieDeclarations]: Found implementation of procedure tcp_hdr [2021-12-22 14:38:48,645 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2021-12-22 14:38:48,646 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2021-12-22 14:38:48,646 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-22 14:38:48,646 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-22 14:38:48,646 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-22 14:38:48,646 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-22 14:38:48,646 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2021-12-22 14:38:48,646 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2021-12-22 14:38:48,647 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2021-12-22 14:38:48,647 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2021-12-22 14:38:48,647 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2021-12-22 14:38:48,647 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2021-12-22 14:38:48,647 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_update_stats [2021-12-22 14:38:48,647 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_update_stats [2021-12-22 14:38:48,648 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_6 [2021-12-22 14:38:48,648 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_6 [2021-12-22 14:38:48,648 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-12-22 14:38:48,648 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-12-22 14:38:48,648 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_check_and_get_eeprom_data [2021-12-22 14:38:48,648 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_check_and_get_eeprom_data [2021-12-22 14:38:48,648 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2021-12-22 14:38:48,649 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2021-12-22 14:38:48,649 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-22 14:38:48,649 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-22 14:38:48,649 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-22 14:38:48,649 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-22 14:38:48,649 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2021-12-22 14:38:48,649 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2021-12-22 14:38:48,649 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb_ip_align [2021-12-22 14:38:48,649 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb_ip_align [2021-12-22 14:38:48,649 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2021-12-22 14:38:48,649 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2021-12-22 14:38:48,650 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2021-12-22 14:38:48,650 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2021-12-22 14:38:48,650 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2021-12-22 14:38:48,650 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2021-12-22 14:38:48,650 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-22 14:38:48,650 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2021-12-22 14:38:48,650 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2021-12-22 14:38:48,651 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2021-12-22 14:38:48,651 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2021-12-22 14:38:48,651 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-22 14:38:48,651 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_remove [2021-12-22 14:38:48,651 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_remove [2021-12-22 14:38:48,651 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_vlan_rx_kill_vid [2021-12-22 14:38:48,651 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_vlan_rx_kill_vid [2021-12-22 14:38:48,652 INFO L130 BoogieDeclarations]: Found specification of procedure is_zero_ether_addr [2021-12-22 14:38:48,652 INFO L138 BoogieDeclarations]: Found implementation of procedure is_zero_ether_addr [2021-12-22 14:38:48,652 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-22 14:38:48,652 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_change_mtu [2021-12-22 14:38:48,652 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_change_mtu [2021-12-22 14:38:48,652 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2021-12-22 14:38:48,652 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2021-12-22 14:38:48,653 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-12-22 14:38:48,653 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-12-22 14:38:48,653 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-12-22 14:38:48,653 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-12-22 14:38:48,653 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_link_reset [2021-12-22 14:38:48,653 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_link_reset [2021-12-22 14:38:48,654 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_set_speed_duplex [2021-12-22 14:38:48,654 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_set_speed_duplex [2021-12-22 14:38:48,654 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_fix_features [2021-12-22 14:38:48,654 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_fix_features [2021-12-22 14:38:48,654 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2021-12-22 14:38:48,654 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2021-12-22 14:38:48,654 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-12-22 14:38:48,655 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-12-22 14:38:48,655 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_io_slot_reset [2021-12-22 14:38:48,655 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_io_slot_reset [2021-12-22 14:38:48,655 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free [2021-12-22 14:38:48,655 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free [2021-12-22 14:38:48,655 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_offset [2021-12-22 14:38:48,655 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_offset [2021-12-22 14:38:48,655 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-12-22 14:38:48,656 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-12-22 14:38:48,656 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_unmap_and_free_tx_resource [2021-12-22 14:38:48,656 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_unmap_and_free_tx_resource [2021-12-22 14:38:48,656 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_header [2021-12-22 14:38:48,656 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_header [2021-12-22 14:38:48,656 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-22 14:38:48,656 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-22 14:38:48,656 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_set_mac [2021-12-22 14:38:48,657 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_set_mac [2021-12-22 14:38:48,657 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-22 14:38:48,657 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_setup_eeprom [2021-12-22 14:38:48,657 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_setup_eeprom [2021-12-22 14:38:48,657 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-22 14:38:48,657 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-22 14:38:48,657 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_write_phy_reg [2021-12-22 14:38:48,657 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_write_phy_reg [2021-12-22 14:38:48,658 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2021-12-22 14:38:48,658 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2021-12-22 14:38:48,658 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_get_ee_mac_addr [2021-12-22 14:38:48,658 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_get_ee_mac_addr [2021-12-22 14:38:48,658 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2021-12-22 14:38:48,658 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2021-12-22 14:38:48,658 INFO L130 BoogieDeclarations]: Found specification of procedure dma_set_mask_and_coherent [2021-12-22 14:38:48,658 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_set_mask_and_coherent [2021-12-22 14:38:48,659 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_clean_tx_ring [2021-12-22 14:38:48,659 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_clean_tx_ring [2021-12-22 14:38:48,659 INFO L130 BoogieDeclarations]: Found specification of procedure is_multicast_ether_addr [2021-12-22 14:38:48,659 INFO L138 BoogieDeclarations]: Found implementation of procedure is_multicast_ether_addr [2021-12-22 14:38:48,659 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2021-12-22 14:38:48,659 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2021-12-22 14:38:48,659 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_clean_rx_ring [2021-12-22 14:38:48,659 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_clean_rx_ring [2021-12-22 14:38:48,660 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_shift_out_bits [2021-12-22 14:38:48,660 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_shift_out_bits [2021-12-22 14:38:48,660 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_down [2021-12-22 14:38:48,660 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_down [2021-12-22 14:38:48,660 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2021-12-22 14:38:48,660 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2021-12-22 14:38:48,660 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_tx_timeout [2021-12-22 14:38:48,660 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_tx_timeout [2021-12-22 14:38:48,661 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_setup_rx_resources [2021-12-22 14:38:48,661 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_setup_rx_resources [2021-12-22 14:38:48,661 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2021-12-22 14:38:48,661 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2021-12-22 14:38:48,661 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2021-12-22 14:38:48,661 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2021-12-22 14:38:48,661 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_get_stats [2021-12-22 14:38:48,661 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_get_stats [2021-12-22 14:38:48,662 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2021-12-22 14:38:48,662 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2021-12-22 14:38:48,662 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_msi [2021-12-22 14:38:48,662 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_msi [2021-12-22 14:38:48,662 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2021-12-22 14:38:48,662 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2021-12-22 14:38:48,662 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-22 14:38:48,662 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2021-12-22 14:38:48,663 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_get_eeprom_data [2021-12-22 14:38:48,663 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_get_eeprom_data [2021-12-22 14:38:49,513 INFO L234 CfgBuilder]: Building ICFG [2021-12-22 14:38:49,515 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-22 14:38:49,812 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-22 14:39:14,616 INFO L275 CfgBuilder]: Performing block encoding [2021-12-22 14:39:14,638 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-22 14:39:14,638 INFO L299 CfgBuilder]: Removed 3 assume(true) statements. [2021-12-22 14:39:14,642 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 02:39:14 BoogieIcfgContainer [2021-12-22 14:39:14,642 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-22 14:39:14,643 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-22 14:39:14,643 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-22 14:39:14,646 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-22 14:39:14,646 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.12 02:38:44" (1/3) ... [2021-12-22 14:39:14,647 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c63221d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 02:39:14, skipping insertion in model container [2021-12-22 14:39:14,647 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:38:47" (2/3) ... [2021-12-22 14:39:14,647 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c63221d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 02:39:14, skipping insertion in model container [2021-12-22 14:39:14,647 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 02:39:14" (3/3) ... [2021-12-22 14:39:14,648 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 [2021-12-22 14:39:14,652 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-22 14:39:14,652 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-22 14:39:14,694 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-22 14:39:14,698 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 [2021-12-22 14:39:14,698 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-22 14:39:14,750 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) [2021-12-22 14:39:14,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2021-12-22 14:39:14,758 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 14:39:14,759 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] [2021-12-22 14:39:14,759 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 14:39:14,763 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 14:39:14,763 INFO L85 PathProgramCache]: Analyzing trace with hash 1632160076, now seen corresponding path program 1 times [2021-12-22 14:39:14,769 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 14:39:14,769 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1107997922] [2021-12-22 14:39:14,769 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 14:39:14,770 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 14:39:15,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:39:15,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-22 14:39:15,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:39:15,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-22 14:39:15,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:39:15,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-22 14:39:15,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:39:15,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-12-22 14:39:15,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:39:15,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-22 14:39:15,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:39:15,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-22 14:39:15,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:39:15,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2021-12-22 14:39:15,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:39:15,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2021-12-22 14:39:15,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:39:15,633 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2021-12-22 14:39:15,633 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 14:39:15,634 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1107997922] [2021-12-22 14:39:15,637 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1107997922] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 14:39:15,637 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 14:39:15,637 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-22 14:39:15,639 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1239880685] [2021-12-22 14:39:15,639 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 14:39:15,643 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-22 14:39:15,643 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 14:39:15,663 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-22 14:39:15,665 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-22 14:39:15,672 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) [2021-12-22 14:39:27,653 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 [] [2021-12-22 14:39:29,680 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-22 14:39:32,416 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-22 14:39:34,463 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-22 14:39:40,959 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.73s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-22 14:39:42,998 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-22 14:39:46,834 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-22 14:39:48,872 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []