./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-tehuti-tehuti.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 839c364b 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-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-tehuti-tehuti.cil.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 36bb93ca3621bc77a2fce568a30c9f1e07b847a50c59f68bc973979594911c40 --- Real Ultimate output --- This is Ultimate 0.2.2-839c364b5d67a0f615c82cb70ab247790648d4a9-839c364 [2021-12-14 18:28:06,066 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-14 18:28:06,068 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-14 18:28:06,093 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-14 18:28:06,094 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-14 18:28:06,097 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-14 18:28:06,098 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-14 18:28:06,103 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-14 18:28:06,104 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-14 18:28:06,107 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-14 18:28:06,107 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-14 18:28:06,109 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-14 18:28:06,109 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-14 18:28:06,110 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-14 18:28:06,112 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-14 18:28:06,113 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-14 18:28:06,114 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-14 18:28:06,115 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-14 18:28:06,117 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-14 18:28:06,121 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-14 18:28:06,122 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-14 18:28:06,123 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-14 18:28:06,124 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-14 18:28:06,125 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-14 18:28:06,129 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-14 18:28:06,129 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-14 18:28:06,129 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-14 18:28:06,130 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-14 18:28:06,131 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-14 18:28:06,131 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-14 18:28:06,132 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-14 18:28:06,132 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-14 18:28:06,133 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-14 18:28:06,134 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-14 18:28:06,135 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-14 18:28:06,136 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-14 18:28:06,136 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-14 18:28:06,136 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-14 18:28:06,136 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-14 18:28:06,137 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-14 18:28:06,137 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-14 18:28:06,138 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-14 18:28:06,162 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-14 18:28:06,163 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-14 18:28:06,163 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-14 18:28:06,163 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-14 18:28:06,164 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-14 18:28:06,164 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-14 18:28:06,165 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-14 18:28:06,165 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-14 18:28:06,165 INFO L138 SettingsManager]: * Use SBE=true [2021-12-14 18:28:06,165 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-14 18:28:06,166 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-14 18:28:06,166 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-14 18:28:06,166 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-14 18:28:06,166 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-14 18:28:06,166 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-14 18:28:06,166 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-14 18:28:06,167 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-14 18:28:06,167 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-14 18:28:06,167 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-14 18:28:06,167 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-14 18:28:06,167 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-14 18:28:06,167 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-14 18:28:06,168 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-14 18:28:06,168 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-14 18:28:06,168 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-14 18:28:06,168 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-14 18:28:06,168 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-14 18:28:06,169 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-14 18:28:06,169 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-14 18:28:06,169 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-14 18:28:06,170 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-14 18:28:06,170 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 36bb93ca3621bc77a2fce568a30c9f1e07b847a50c59f68bc973979594911c40 [2021-12-14 18:28:06,388 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-14 18:28:06,411 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-14 18:28:06,413 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-14 18:28:06,414 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-14 18:28:06,414 INFO L275 PluginConnector]: CDTParser initialized [2021-12-14 18:28:06,415 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-tehuti-tehuti.cil.i [2021-12-14 18:28:06,461 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2ce7b00ea/62b2f484368b4cd5a481b259c873de8d/FLAG94495e494 [2021-12-14 18:28:07,230 INFO L306 CDTParser]: Found 1 translation units. [2021-12-14 18:28:07,235 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-tehuti-tehuti.cil.i [2021-12-14 18:28:07,281 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2ce7b00ea/62b2f484368b4cd5a481b259c873de8d/FLAG94495e494 [2021-12-14 18:28:07,757 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2ce7b00ea/62b2f484368b4cd5a481b259c873de8d [2021-12-14 18:28:07,759 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-14 18:28:07,760 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-14 18:28:07,761 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-14 18:28:07,761 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-14 18:28:07,763 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-14 18:28:07,764 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 06:28:07" (1/1) ... [2021-12-14 18:28:07,765 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@289e0568 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:28:07, skipping insertion in model container [2021-12-14 18:28:07,765 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 06:28:07" (1/1) ... [2021-12-14 18:28:07,769 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-14 18:28:07,851 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-14 18:28:10,238 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-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-tehuti-tehuti.cil.i[376704,376717] [2021-12-14 18:28:10,240 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-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-tehuti-tehuti.cil.i[376849,376862] [2021-12-14 18:28:10,263 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-14 18:28:10,310 INFO L203 MainTranslator]: Completed pre-run [2021-12-14 18:28:10,655 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-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-tehuti-tehuti.cil.i[376704,376717] [2021-12-14 18:28:10,656 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-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-tehuti-tehuti.cil.i[376849,376862] [2021-12-14 18:28:10,658 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-14 18:28:10,807 INFO L208 MainTranslator]: Completed translation [2021-12-14 18:28:10,807 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:28:10 WrapperNode [2021-12-14 18:28:10,808 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-14 18:28:10,808 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-14 18:28:10,809 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-14 18:28:10,809 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-14 18:28:10,814 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:28:10" (1/1) ... [2021-12-14 18:28:10,904 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:28:10" (1/1) ... [2021-12-14 18:28:11,031 INFO L137 Inliner]: procedures = 490, calls = 2384, calls flagged for inlining = 232, calls inlined = 186, statements flattened = 4701 [2021-12-14 18:28:11,032 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-14 18:28:11,033 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-14 18:28:11,033 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-14 18:28:11,033 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-14 18:28:11,061 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:28:10" (1/1) ... [2021-12-14 18:28:11,061 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:28:10" (1/1) ... [2021-12-14 18:28:11,100 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:28:10" (1/1) ... [2021-12-14 18:28:11,101 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:28:10" (1/1) ... [2021-12-14 18:28:11,210 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:28:10" (1/1) ... [2021-12-14 18:28:11,229 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:28:10" (1/1) ... [2021-12-14 18:28:11,248 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:28:10" (1/1) ... [2021-12-14 18:28:11,272 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-14 18:28:11,274 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-14 18:28:11,274 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-14 18:28:11,275 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-14 18:28:11,276 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:28:10" (1/1) ... [2021-12-14 18:28:11,281 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-14 18:28:11,288 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 18:28:11,332 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) [2021-12-14 18:28:11,380 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 [2021-12-14 18:28:11,405 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2021-12-14 18:28:11,405 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2021-12-14 18:28:11,406 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-14 18:28:11,406 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-14 18:28:11,406 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2021-12-14 18:28:11,406 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2021-12-14 18:28:11,406 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_page [2021-12-14 18:28:11,406 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_page [2021-12-14 18:28:11,406 INFO L130 BoogieDeclarations]: Found specification of procedure bdx_open [2021-12-14 18:28:11,406 INFO L138 BoogieDeclarations]: Found implementation of procedure bdx_open [2021-12-14 18:28:11,407 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2021-12-14 18:28:11,407 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2021-12-14 18:28:11,407 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-14 18:28:11,407 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-14 18:28:11,407 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_word [2021-12-14 18:28:11,407 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_word [2021-12-14 18:28:11,407 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_restore [2021-12-14 18:28:11,407 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_restore [2021-12-14 18:28:11,408 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2021-12-14 18:28:11,408 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2021-12-14 18:28:11,408 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-12-14 18:28:11,408 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-12-14 18:28:11,408 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-12-14 18:28:11,408 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-12-14 18:28:11,408 INFO L130 BoogieDeclarations]: Found specification of procedure bdx_tx_db_inc_wptr [2021-12-14 18:28:11,408 INFO L138 BoogieDeclarations]: Found implementation of procedure bdx_tx_db_inc_wptr [2021-12-14 18:28:11,409 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2021-12-14 18:28:11,409 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2021-12-14 18:28:11,409 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-12-14 18:28:11,409 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-12-14 18:28:11,409 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2021-12-14 18:28:11,409 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2021-12-14 18:28:11,409 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2021-12-14 18:28:11,409 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2021-12-14 18:28:11,410 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-12-14 18:28:11,410 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-12-14 18:28:11,410 INFO L130 BoogieDeclarations]: Found specification of procedure arch_irqs_disabled_flags [2021-12-14 18:28:11,410 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_irqs_disabled_flags [2021-12-14 18:28:11,410 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2021-12-14 18:28:11,411 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2021-12-14 18:28:11,411 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-14 18:28:11,411 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2021-12-14 18:28:11,411 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2021-12-14 18:28:11,411 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-12-14 18:28:11,411 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-12-14 18:28:11,411 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_consistent_dma_mask [2021-12-14 18:28:11,411 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_consistent_dma_mask [2021-12-14 18:28:11,412 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-14 18:28:11,412 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2021-12-14 18:28:11,412 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2021-12-14 18:28:11,412 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-12-14 18:28:11,412 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-12-14 18:28:11,412 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-14 18:28:11,413 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-12-14 18:28:11,413 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-12-14 18:28:11,414 INFO L130 BoogieDeclarations]: Found specification of procedure __bdx_tx_db_ptr_next [2021-12-14 18:28:11,414 INFO L138 BoogieDeclarations]: Found implementation of procedure __bdx_tx_db_ptr_next [2021-12-14 18:28:11,414 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-14 18:28:11,414 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-12-14 18:28:11,414 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-12-14 18:28:11,414 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-14 18:28:11,415 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-14 18:28:11,415 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-12-14 18:28:11,415 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-12-14 18:28:11,415 INFO L130 BoogieDeclarations]: Found specification of procedure bdx_close [2021-12-14 18:28:11,415 INFO L138 BoogieDeclarations]: Found implementation of procedure bdx_close [2021-12-14 18:28:11,415 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-12-14 18:28:11,415 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-12-14 18:28:11,415 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2021-12-14 18:28:11,416 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2021-12-14 18:28:11,416 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_tx_lock_of_bdx_priv [2021-12-14 18:28:11,416 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_tx_lock_of_bdx_priv [2021-12-14 18:28:11,416 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_dma_mask [2021-12-14 18:28:11,416 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_dma_mask [2021-12-14 18:28:11,417 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2021-12-14 18:28:11,417 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2021-12-14 18:28:11,417 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-12-14 18:28:11,417 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-12-14 18:28:11,417 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-14 18:28:11,417 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2021-12-14 18:28:11,417 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2021-12-14 18:28:11,417 INFO L130 BoogieDeclarations]: Found specification of procedure bdx_restore_mac [2021-12-14 18:28:11,418 INFO L138 BoogieDeclarations]: Found implementation of procedure bdx_restore_mac [2021-12-14 18:28:11,418 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-14 18:28:11,418 INFO L130 BoogieDeclarations]: Found specification of procedure bdx_rx_alloc_skbs [2021-12-14 18:28:11,418 INFO L138 BoogieDeclarations]: Found implementation of procedure bdx_rx_alloc_skbs [2021-12-14 18:28:11,418 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-12-14 18:28:11,418 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-12-14 18:28:11,418 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-12-14 18:28:11,419 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-12-14 18:28:11,419 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-14 18:28:11,419 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-12-14 18:28:11,419 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-12-14 18:28:11,419 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2021-12-14 18:28:11,420 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2021-12-14 18:28:11,420 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-12-14 18:28:11,420 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-12-14 18:28:11,420 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2021-12-14 18:28:11,420 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2021-12-14 18:28:11,420 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2021-12-14 18:28:11,421 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2021-12-14 18:28:11,421 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2021-12-14 18:28:11,421 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2021-12-14 18:28:11,421 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-12-14 18:28:11,421 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-12-14 18:28:11,421 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2021-12-14 18:28:11,421 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2021-12-14 18:28:11,421 INFO L130 BoogieDeclarations]: Found specification of procedure bdx_rxdb_available [2021-12-14 18:28:11,421 INFO L138 BoogieDeclarations]: Found implementation of procedure bdx_rxdb_available [2021-12-14 18:28:11,422 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_size [2021-12-14 18:28:11,422 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_size [2021-12-14 18:28:11,422 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2021-12-14 18:28:11,422 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2021-12-14 18:28:11,422 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-12-14 18:28:11,422 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-12-14 18:28:11,423 INFO L130 BoogieDeclarations]: Found specification of procedure bdx_rxdb_addr_elem [2021-12-14 18:28:11,423 INFO L138 BoogieDeclarations]: Found implementation of procedure bdx_rxdb_addr_elem [2021-12-14 18:28:11,425 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_save_flags [2021-12-14 18:28:11,425 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_save_flags [2021-12-14 18:28:11,425 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-14 18:28:11,426 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-14 18:28:11,426 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-14 18:28:11,427 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-14 18:28:11,427 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-14 18:28:11,427 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-14 18:28:11,428 INFO L130 BoogieDeclarations]: Found specification of procedure bdx_tx_db_inc_rptr [2021-12-14 18:28:11,432 INFO L138 BoogieDeclarations]: Found implementation of procedure bdx_tx_db_inc_rptr [2021-12-14 18:28:11,432 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2021-12-14 18:28:11,432 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2021-12-14 18:28:11,432 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2021-12-14 18:28:11,432 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2021-12-14 18:28:11,432 INFO L130 BoogieDeclarations]: Found specification of procedure __bdx_vlan_rx_vid [2021-12-14 18:28:11,432 INFO L138 BoogieDeclarations]: Found implementation of procedure __bdx_vlan_rx_vid [2021-12-14 18:28:11,432 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2021-12-14 18:28:11,433 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2021-12-14 18:28:11,433 INFO L130 BoogieDeclarations]: Found specification of procedure bdx_fifo_free [2021-12-14 18:28:11,433 INFO L138 BoogieDeclarations]: Found implementation of procedure bdx_fifo_free [2021-12-14 18:28:11,433 INFO L130 BoogieDeclarations]: Found specification of procedure bdx_remove [2021-12-14 18:28:11,433 INFO L138 BoogieDeclarations]: Found implementation of procedure bdx_remove [2021-12-14 18:28:11,433 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2021-12-14 18:28:11,433 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2021-12-14 18:28:11,433 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2021-12-14 18:28:11,433 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2021-12-14 18:28:11,434 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2021-12-14 18:28:11,434 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2021-12-14 18:28:11,434 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2021-12-14 18:28:11,434 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2021-12-14 18:28:11,434 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-14 18:28:11,434 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_off [2021-12-14 18:28:11,434 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_off [2021-12-14 18:28:11,434 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2021-12-14 18:28:11,434 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2021-12-14 18:28:11,434 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-14 18:28:11,435 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-14 18:28:11,435 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2021-12-14 18:28:11,435 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2021-12-14 18:28:11,435 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2021-12-14 18:28:11,435 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2021-12-14 18:28:11,435 INFO L130 BoogieDeclarations]: Found specification of procedure bdx_reset [2021-12-14 18:28:11,435 INFO L138 BoogieDeclarations]: Found implementation of procedure bdx_reset [2021-12-14 18:28:11,435 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-12-14 18:28:11,435 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-12-14 18:28:11,436 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-12-14 18:28:11,436 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-12-14 18:28:11,436 INFO L130 BoogieDeclarations]: Found specification of procedure bdx_rxdb_alloc_elem [2021-12-14 18:28:11,436 INFO L138 BoogieDeclarations]: Found implementation of procedure bdx_rxdb_alloc_elem [2021-12-14 18:28:11,436 INFO L130 BoogieDeclarations]: Found specification of procedure bdx_range_check [2021-12-14 18:28:11,436 INFO L138 BoogieDeclarations]: Found implementation of procedure bdx_range_check [2021-12-14 18:28:11,436 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2021-12-14 18:28:11,436 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2021-12-14 18:28:11,436 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_nonatomic [2021-12-14 18:28:11,437 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_nonatomic [2021-12-14 18:28:11,437 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-12-14 18:28:11,437 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-12-14 18:28:11,437 INFO L130 BoogieDeclarations]: Found specification of procedure bdx_fifo_init [2021-12-14 18:28:11,437 INFO L138 BoogieDeclarations]: Found implementation of procedure bdx_fifo_init [2021-12-14 18:28:11,437 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-12-14 18:28:11,437 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-12-14 18:28:11,437 INFO L130 BoogieDeclarations]: Found specification of procedure bdx_link_changed [2021-12-14 18:28:11,437 INFO L138 BoogieDeclarations]: Found implementation of procedure bdx_link_changed [2021-12-14 18:28:11,438 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-14 18:28:11,438 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-14 18:28:11,438 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-14 18:28:11,438 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2021-12-14 18:28:11,438 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2021-12-14 18:28:11,438 INFO L130 BoogieDeclarations]: Found specification of procedure bdx_setmulti [2021-12-14 18:28:11,438 INFO L138 BoogieDeclarations]: Found implementation of procedure bdx_setmulti [2021-12-14 18:28:11,438 INFO L130 BoogieDeclarations]: Found specification of procedure print_rxfd [2021-12-14 18:28:11,438 INFO L138 BoogieDeclarations]: Found implementation of procedure print_rxfd [2021-12-14 18:28:11,439 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-12-14 18:28:11,439 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-12-14 18:28:11,439 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2021-12-14 18:28:11,439 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2021-12-14 18:28:11,439 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2021-12-14 18:28:11,439 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2021-12-14 18:28:11,439 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-14 18:28:11,439 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-12-14 18:28:11,439 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-12-14 18:28:12,150 INFO L236 CfgBuilder]: Building ICFG [2021-12-14 18:28:12,152 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-14 18:28:12,249 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true;