java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --traceabstraction.trace.refinement.strategy SIFA_TAIPAN --sifa.abstract.domain CompoundDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--xen-netfront.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-13a467a-m [2019-10-15 02:54:34,682 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-15 02:54:34,685 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-15 02:54:34,700 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-15 02:54:34,700 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-15 02:54:34,702 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-15 02:54:34,703 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-15 02:54:34,705 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-15 02:54:34,707 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-15 02:54:34,708 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-15 02:54:34,709 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-15 02:54:34,710 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-15 02:54:34,710 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-15 02:54:34,711 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-15 02:54:34,712 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-15 02:54:34,714 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-15 02:54:34,714 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-15 02:54:34,715 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-15 02:54:34,718 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-15 02:54:34,720 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-15 02:54:34,722 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-15 02:54:34,723 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-15 02:54:34,724 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-15 02:54:34,725 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-15 02:54:34,729 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-15 02:54:34,729 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-15 02:54:34,730 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-15 02:54:34,731 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-15 02:54:34,731 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-15 02:54:34,732 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-15 02:54:34,733 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-15 02:54:34,734 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-15 02:54:34,735 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-15 02:54:34,737 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-15 02:54:34,738 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-15 02:54:34,738 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-15 02:54:34,739 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-15 02:54:34,740 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-15 02:54:34,740 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-15 02:54:34,741 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-15 02:54:34,744 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-15 02:54:34,745 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-15 02:54:34,767 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-15 02:54:34,767 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-15 02:54:34,769 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-15 02:54:34,769 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-15 02:54:34,769 INFO L138 SettingsManager]: * Use SBE=true [2019-10-15 02:54:34,769 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-15 02:54:34,770 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-15 02:54:34,770 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-15 02:54:34,770 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-15 02:54:34,770 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-15 02:54:34,770 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-15 02:54:34,771 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-15 02:54:34,771 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-15 02:54:34,771 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-15 02:54:34,771 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-15 02:54:34,771 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-15 02:54:34,772 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-15 02:54:34,772 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-15 02:54:34,772 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-15 02:54:34,772 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-15 02:54:34,772 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-15 02:54:34,773 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 02:54:34,773 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-15 02:54:34,773 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-15 02:54:34,773 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-15 02:54:34,774 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-15 02:54:34,774 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-15 02:54:34,774 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-15 02:54:34,774 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> SIFA_TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> CompoundDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK [2019-10-15 02:54:35,124 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-15 02:54:35,146 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-15 02:54:35,150 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-15 02:54:35,152 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-15 02:54:35,152 INFO L275 PluginConnector]: CDTParser initialized [2019-10-15 02:54:35,153 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--xen-netfront.ko-entry_point.cil.out.i [2019-10-15 02:54:35,231 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3b8e4ae6d/5d4b10e3f00543dd87e251d770f8863e/FLAG9b3d1fc99 [2019-10-15 02:54:36,159 INFO L306 CDTParser]: Found 1 translation units. [2019-10-15 02:54:36,161 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--xen-netfront.ko-entry_point.cil.out.i [2019-10-15 02:54:36,222 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3b8e4ae6d/5d4b10e3f00543dd87e251d770f8863e/FLAG9b3d1fc99 [2019-10-15 02:54:36,582 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3b8e4ae6d/5d4b10e3f00543dd87e251d770f8863e [2019-10-15 02:54:36,592 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-15 02:54:36,594 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-15 02:54:36,595 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-15 02:54:36,595 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-15 02:54:36,598 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-15 02:54:36,599 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 02:54:36" (1/1) ... [2019-10-15 02:54:36,601 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@37f153ee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:54:36, skipping insertion in model container [2019-10-15 02:54:36,602 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 02:54:36" (1/1) ... [2019-10-15 02:54:36,610 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-15 02:54:36,776 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-15 02:54:39,987 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 02:54:40,036 INFO L188 MainTranslator]: Completed pre-run [2019-10-15 02:54:40,585 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 02:54:41,379 INFO L192 MainTranslator]: Completed translation [2019-10-15 02:54:41,380 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:54:41 WrapperNode [2019-10-15 02:54:41,380 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-15 02:54:41,381 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-15 02:54:41,381 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-15 02:54:41,381 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-15 02:54:41,396 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:54:41" (1/1) ... [2019-10-15 02:54:41,396 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:54:41" (1/1) ... [2019-10-15 02:54:41,507 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:54:41" (1/1) ... [2019-10-15 02:54:41,508 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:54:41" (1/1) ... [2019-10-15 02:54:41,623 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:54:41" (1/1) ... [2019-10-15 02:54:41,648 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:54:41" (1/1) ... [2019-10-15 02:54:41,692 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:54:41" (1/1) ... [2019-10-15 02:54:41,728 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-15 02:54:41,729 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-15 02:54:41,729 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-15 02:54:41,729 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-15 02:54:41,730 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:54:41" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 02:54:41,785 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-15 02:54:41,785 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-15 02:54:41,785 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2019-10-15 02:54:41,785 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2019-10-15 02:54:41,786 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2019-10-15 02:54:41,786 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2019-10-15 02:54:41,786 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-10-15 02:54:41,786 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-10-15 02:54:41,786 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2019-10-15 02:54:41,787 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2019-10-15 02:54:41,787 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2019-10-15 02:54:41,787 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ptr [2019-10-15 02:54:41,787 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2019-10-15 02:54:41,787 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2019-10-15 02:54:41,788 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2019-10-15 02:54:41,788 INFO L138 BoogieDeclarations]: Found implementation of procedure bitmap_weight [2019-10-15 02:54:41,788 INFO L138 BoogieDeclarations]: Found implementation of procedure cpumask_check [2019-10-15 02:54:41,788 INFO L138 BoogieDeclarations]: Found implementation of procedure cpumask_next [2019-10-15 02:54:41,788 INFO L138 BoogieDeclarations]: Found implementation of procedure cpumask_weight [2019-10-15 02:54:41,789 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2019-10-15 02:54:41,789 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2019-10-15 02:54:41,789 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2019-10-15 02:54:41,789 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_5 [2019-10-15 02:54:41,789 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_bh_6 [2019-10-15 02:54:41,790 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_irq_8 [2019-10-15 02:54:41,790 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_9 [2019-10-15 02:54:41,790 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_bh_10 [2019-10-15 02:54:41,790 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irq_11 [2019-10-15 02:54:41,790 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_12 [2019-10-15 02:54:41,790 INFO L138 BoogieDeclarations]: Found implementation of procedure xen_feature [2019-10-15 02:54:41,791 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2019-10-15 02:54:41,791 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2019-10-15 02:54:41,791 INFO L138 BoogieDeclarations]: Found implementation of procedure PageTail [2019-10-15 02:54:41,791 INFO L138 BoogieDeclarations]: Found implementation of procedure get_page [2019-10-15 02:54:41,791 INFO L138 BoogieDeclarations]: Found implementation of procedure lowmem_page_address [2019-10-15 02:54:41,792 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_size [2019-10-15 02:54:41,792 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_size_set [2019-10-15 02:54:41,792 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_get_hash [2019-10-15 02:54:41,792 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2019-10-15 02:54:41,792 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_get [2019-10-15 02:54:41,792 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_peek [2019-10-15 02:54:41,793 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_len [2019-10-15 02:54:41,793 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_queue_head_init [2019-10-15 02:54:41,793 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_head_init [2019-10-15 02:54:41,793 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_insert [2019-10-15 02:54:41,793 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_queue_after [2019-10-15 02:54:41,793 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_queue_before [2019-10-15 02:54:41,794 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_queue_head [2019-10-15 02:54:41,794 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_queue_tail [2019-10-15 02:54:41,794 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_unlink [2019-10-15 02:54:41,794 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_dequeue [2019-10-15 02:54:41,794 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_is_nonlinear [2019-10-15 02:54:41,794 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headlen [2019-10-15 02:54:41,795 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2019-10-15 02:54:41,795 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reset_network_header [2019-10-15 02:54:41,795 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_queue_purge [2019-10-15 02:54:41,795 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_page [2019-10-15 02:54:41,795 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_linearize [2019-10-15 02:54:41,795 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_linearize [2019-10-15 02:54:41,795 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_has_frag_list [2019-10-15 02:54:41,796 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_get_queue_mapping [2019-10-15 02:54:41,796 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_is_gso [2019-10-15 02:54:41,796 INFO L138 BoogieDeclarations]: Found implementation of procedure u64_stats_init [2019-10-15 02:54:41,796 INFO L138 BoogieDeclarations]: Found implementation of procedure u64_stats_fetch_begin_irq [2019-10-15 02:54:41,796 INFO L138 BoogieDeclarations]: Found implementation of procedure u64_stats_fetch_retry_irq [2019-10-15 02:54:41,797 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_disable_pending [2019-10-15 02:54:41,797 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_schedule_prep [2019-10-15 02:54:41,797 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_schedule [2019-10-15 02:54:41,797 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_complete [2019-10-15 02:54:41,797 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_enable [2019-10-15 02:54:41,797 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_synchronize [2019-10-15 02:54:41,797 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2019-10-15 02:54:41,798 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2019-10-15 02:54:41,798 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2019-10-15 02:54:41,798 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_all_queues [2019-10-15 02:54:41,798 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2019-10-15 02:54:41,798 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_queue_stopped [2019-10-15 02:54:41,798 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2019-10-15 02:54:41,799 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_irq [2019-10-15 02:54:41,799 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2019-10-15 02:54:41,799 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2019-10-15 02:54:41,799 INFO L138 BoogieDeclarations]: Found implementation of procedure net_gso_ok [2019-10-15 02:54:41,799 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_gso_ok [2019-10-15 02:54:41,799 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_needs_gso [2019-10-15 02:54:41,799 INFO L138 BoogieDeclarations]: Found implementation of procedure __pfn_to_mfn [2019-10-15 02:54:41,800 INFO L138 BoogieDeclarations]: Found implementation of procedure pfn_to_mfn [2019-10-15 02:54:41,800 INFO L138 BoogieDeclarations]: Found implementation of procedure page_to_mfn [2019-10-15 02:54:41,800 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_entry_set_link [2019-10-15 02:54:41,800 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_entry_is_link [2019-10-15 02:54:41,800 INFO L138 BoogieDeclarations]: Found implementation of procedure add_id_to_freelist [2019-10-15 02:54:41,800 INFO L138 BoogieDeclarations]: Found implementation of procedure get_id_from_freelist [2019-10-15 02:54:41,801 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_rxidx [2019-10-15 02:54:41,801 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_get_rx_skb [2019-10-15 02:54:41,801 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_get_rx_ref [2019-10-15 02:54:41,801 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_can_sg [2019-10-15 02:54:41,801 INFO L138 BoogieDeclarations]: Found implementation of procedure rx_refill_timeout [2019-10-15 02:54:41,801 INFO L138 BoogieDeclarations]: Found implementation of procedure netfront_tx_slot_available [2019-10-15 02:54:41,801 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_maybe_wake_tx [2019-10-15 02:54:41,802 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_alloc_one_rx_buffer [2019-10-15 02:54:41,802 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_alloc_rx_buffers [2019-10-15 02:54:41,802 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_open [2019-10-15 02:54:41,802 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_tx_buf_gc [2019-10-15 02:54:41,802 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_make_one_txreq [2019-10-15 02:54:41,802 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_make_txreqs [2019-10-15 02:54:41,802 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_count_skb_slots [2019-10-15 02:54:41,803 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_select_queue [2019-10-15 02:54:41,803 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_start_xmit [2019-10-15 02:54:41,803 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_close [2019-10-15 02:54:41,803 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_move_rx_slot [2019-10-15 02:54:41,803 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_get_extras [2019-10-15 02:54:41,803 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_get_responses [2019-10-15 02:54:41,803 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_set_skb_gso [2019-10-15 02:54:41,804 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_fill_frags [2019-10-15 02:54:41,804 INFO L138 BoogieDeclarations]: Found implementation of procedure checksum_setup [2019-10-15 02:54:41,804 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_incoming_queue [2019-10-15 02:54:41,804 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_poll [2019-10-15 02:54:41,804 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_change_mtu [2019-10-15 02:54:41,804 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_get_stats64 [2019-10-15 02:54:41,804 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_release_tx_bufs [2019-10-15 02:54:41,805 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_release_rx_bufs [2019-10-15 02:54:41,805 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_fix_features [2019-10-15 02:54:41,805 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_set_features [2019-10-15 02:54:41,805 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_tx_interrupt [2019-10-15 02:54:41,805 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_rx_interrupt [2019-10-15 02:54:41,805 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_interrupt [2019-10-15 02:54:41,805 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_poll_controller [2019-10-15 02:54:41,806 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_free_netdev [2019-10-15 02:54:41,806 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_create_dev [2019-10-15 02:54:41,806 INFO L138 BoogieDeclarations]: Found implementation of procedure netfront_probe [2019-10-15 02:54:41,806 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_end_access [2019-10-15 02:54:41,806 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_disconnect_backend [2019-10-15 02:54:41,806 INFO L138 BoogieDeclarations]: Found implementation of procedure netfront_resume [2019-10-15 02:54:41,807 INFO L138 BoogieDeclarations]: Found implementation of procedure xen_net_read_mac [2019-10-15 02:54:41,807 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_netfront_single [2019-10-15 02:54:41,807 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_netfront_split [2019-10-15 02:54:41,807 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_netfront [2019-10-15 02:54:41,807 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_init_queue [2019-10-15 02:54:41,807 INFO L138 BoogieDeclarations]: Found implementation of procedure write_queue_xenstore_keys [2019-10-15 02:54:41,808 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_destroy_queues [2019-10-15 02:54:41,808 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_create_queues [2019-10-15 02:54:41,808 INFO L138 BoogieDeclarations]: Found implementation of procedure talk_to_netback [2019-10-15 02:54:41,808 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_connect [2019-10-15 02:54:41,808 INFO L138 BoogieDeclarations]: Found implementation of procedure netback_changed [2019-10-15 02:54:41,808 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_get_sset_count [2019-10-15 02:54:41,808 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_get_ethtool_stats [2019-10-15 02:54:41,809 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_get_strings [2019-10-15 02:54:41,809 INFO L138 BoogieDeclarations]: Found implementation of procedure show_rxbuf [2019-10-15 02:54:41,809 INFO L138 BoogieDeclarations]: Found implementation of procedure store_rxbuf [2019-10-15 02:54:41,809 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_remove [2019-10-15 02:54:41,809 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_init [2019-10-15 02:54:41,809 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_exit [2019-10-15 02:54:41,809 INFO L138 BoogieDeclarations]: Found implementation of procedure timer_init_1 [2019-10-15 02:54:41,810 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_device_attribute_5 [2019-10-15 02:54:41,810 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_1 [2019-10-15 02:54:41,810 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_net_device_ops_7 [2019-10-15 02:54:41,810 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_1 [2019-10-15 02:54:41,810 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_timer_1 [2019-10-15 02:54:41,810 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_1 [2019-10-15 02:54:41,811 INFO L138 BoogieDeclarations]: Found implementation of procedure choose_timer_1 [2019-10-15 02:54:41,811 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_ethtool_ops_6 [2019-10-15 02:54:41,811 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_xenbus_driver_2 [2019-10-15 02:54:41,811 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_1 [2019-10-15 02:54:41,811 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_device_attribute_4 [2019-10-15 02:54:41,811 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-15 02:54:41,811 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2019-10-15 02:54:41,811 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2019-10-15 02:54:41,812 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2019-10-15 02:54:41,812 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2019-10-15 02:54:41,812 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2019-10-15 02:54:41,812 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2019-10-15 02:54:41,812 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2019-10-15 02:54:41,812 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2019-10-15 02:54:41,812 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2019-10-15 02:54:41,813 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2019-10-15 02:54:41,813 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_pages [2019-10-15 02:54:41,813 INFO L138 BoogieDeclarations]: Found implementation of procedure kcalloc [2019-10-15 02:54:41,813 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kmem_cache_alloc_20 [2019-10-15 02:54:41,813 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2019-10-15 02:54:41,813 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pskb_expand_head_26 [2019-10-15 02:54:41,813 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_clone_28 [2019-10-15 02:54:41,814 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_copy_30 [2019-10-15 02:54:41,814 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___netdev_alloc_skb_31 [2019-10-15 02:54:41,814 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___netdev_alloc_skb_32 [2019-10-15 02:54:41,814 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___netdev_alloc_skb_33 [2019-10-15 02:54:41,814 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pskb_expand_head_34 [2019-10-15 02:54:41,814 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pskb_expand_head_35 [2019-10-15 02:54:41,814 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_clone_36 [2019-10-15 02:54:41,814 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kmem_cache_alloc_37 [2019-10-15 02:54:41,815 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___get_free_pages_38 [2019-10-15 02:54:41,815 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___netdev_alloc_skb_39 [2019-10-15 02:54:41,815 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer_40 [2019-10-15 02:54:41,815 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev_41 [2019-10-15 02:54:41,815 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_netdev_42 [2019-10-15 02:54:41,815 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync_43 [2019-10-15 02:54:41,815 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev_44 [2019-10-15 02:54:41,816 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2019-10-15 02:54:41,816 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2019-10-15 02:54:41,816 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2019-10-15 02:54:41,816 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2019-10-15 02:54:41,816 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2019-10-15 02:54:41,816 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2019-10-15 02:54:41,816 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags_and_return_some_page [2019-10-15 02:54:41,817 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_nonatomic [2019-10-15 02:54:41,817 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2019-10-15 02:54:41,817 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2019-10-15 02:54:41,817 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock [2019-10-15 02:54:41,817 INFO L138 BoogieDeclarations]: Found implementation of procedure __alloc_percpu [2019-10-15 02:54:41,817 INFO L138 BoogieDeclarations]: Found implementation of procedure __bitmap_weight [2019-10-15 02:54:41,817 INFO L138 BoogieDeclarations]: Found implementation of procedure __dev_kfree_skb_any [2019-10-15 02:54:41,817 INFO L138 BoogieDeclarations]: Found implementation of procedure __dev_kfree_skb_irq [2019-10-15 02:54:41,818 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_dev_dbg [2019-10-15 02:54:41,818 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_pr_debug [2019-10-15 02:54:41,818 INFO L138 BoogieDeclarations]: Found implementation of procedure __get_page_tail [2019-10-15 02:54:41,818 INFO L138 BoogieDeclarations]: Found implementation of procedure __napi_schedule [2019-10-15 02:54:41,818 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2019-10-15 02:54:41,818 INFO L138 BoogieDeclarations]: Found implementation of procedure __pskb_pull_tail [2019-10-15 02:54:41,818 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2019-10-15 02:54:41,819 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_get_hash [2019-10-15 02:54:41,819 INFO L138 BoogieDeclarations]: Found implementation of procedure __xenbus_register_frontend [2019-10-15 02:54:41,819 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2019-10-15 02:54:41,819 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock [2019-10-15 02:54:41,819 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_bh [2019-10-15 02:54:41,819 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irq [2019-10-15 02:54:41,819 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock [2019-10-15 02:54:41,820 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_bh [2019-10-15 02:54:41,820 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irq [2019-10-15 02:54:41,820 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irqrestore [2019-10-15 02:54:41,820 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_etherdev_mqs [2019-10-15 02:54:41,820 INFO L138 BoogieDeclarations]: Found implementation of procedure bind_evtchn_to_irqhandler [2019-10-15 02:54:41,820 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2019-10-15 02:54:41,820 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2019-10-15 02:54:41,821 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2019-10-15 02:54:41,821 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_warn [2019-10-15 02:54:41,821 INFO L138 BoogieDeclarations]: Found implementation of procedure dump_page [2019-10-15 02:54:41,821 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_mac_addr [2019-10-15 02:54:41,821 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_type_trans [2019-10-15 02:54:41,821 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2019-10-15 02:54:41,821 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_op_get_link [2019-10-15 02:54:41,821 INFO L138 BoogieDeclarations]: Found implementation of procedure find_next_bit [2019-10-15 02:54:41,822 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2019-10-15 02:54:41,822 INFO L138 BoogieDeclarations]: Found implementation of procedure free_pages [2019-10-15 02:54:41,822 INFO L138 BoogieDeclarations]: Found implementation of procedure free_percpu [2019-10-15 02:54:41,822 INFO L138 BoogieDeclarations]: Found implementation of procedure get_phys_to_machine [2019-10-15 02:54:41,822 INFO L138 BoogieDeclarations]: Found implementation of procedure get_zeroed_page [2019-10-15 02:54:41,822 INFO L138 BoogieDeclarations]: Found implementation of procedure gnttab_alloc_grant_references [2019-10-15 02:54:41,822 INFO L138 BoogieDeclarations]: Found implementation of procedure gnttab_claim_grant_reference [2019-10-15 02:54:41,823 INFO L138 BoogieDeclarations]: Found implementation of procedure gnttab_end_foreign_access [2019-10-15 02:54:41,823 INFO L138 BoogieDeclarations]: Found implementation of procedure gnttab_end_foreign_access_ref [2019-10-15 02:54:41,823 INFO L138 BoogieDeclarations]: Found implementation of procedure gnttab_free_grant_references [2019-10-15 02:54:41,823 INFO L138 BoogieDeclarations]: Found implementation of procedure gnttab_grant_foreign_access_ref [2019-10-15 02:54:41,823 INFO L138 BoogieDeclarations]: Found implementation of procedure gnttab_query_foreign_access [2019-10-15 02:54:41,823 INFO L138 BoogieDeclarations]: Found implementation of procedure gnttab_release_grant_reference [2019-10-15 02:54:41,823 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2019-10-15 02:54:41,823 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-10-15 02:54:41,824 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-10-15 02:54:41,824 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ndo_init_7 [2019-10-15 02:54:41,824 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ndo_uninit_7 [2019-10-15 02:54:41,824 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_some_page [2019-10-15 02:54:41,824 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_suspend_2 [2019-10-15 02:54:41,824 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2019-10-15 02:54:41,824 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2019-10-15 02:54:41,824 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_disable [2019-10-15 02:54:41,825 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_gro_receive [2019-10-15 02:54:41,825 INFO L138 BoogieDeclarations]: Found implementation of procedure net_ratelimit [2019-10-15 02:54:41,825 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_info [2019-10-15 02:54:41,825 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_notify_peers [2019-10-15 02:54:41,825 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_update_features [2019-10-15 02:54:41,825 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2019-10-15 02:54:41,826 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2019-10-15 02:54:41,826 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_napi_add [2019-10-15 02:54:41,826 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_napi_del [2019-10-15 02:54:41,826 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_set_real_num_tx_queues [2019-10-15 02:54:41,826 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_skb_features [2019-10-15 02:54:41,826 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_all_queues [2019-10-15 02:54:41,826 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_wake_queue [2019-10-15 02:54:41,827 INFO L138 BoogieDeclarations]: Found implementation of procedure notify_remote_via_irq [2019-10-15 02:54:41,827 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2019-10-15 02:54:41,827 INFO L138 BoogieDeclarations]: Found implementation of procedure register_netdev [2019-10-15 02:54:41,827 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_lock [2019-10-15 02:54:41,827 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_unlock [2019-10-15 02:54:41,827 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_strtoul [2019-10-15 02:54:41,827 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_add_rx_frag [2019-10-15 02:54:41,828 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_checksum_setup [2019-10-15 02:54:41,828 INFO L138 BoogieDeclarations]: Found implementation of procedure unbind_from_irqhandler [2019-10-15 02:54:41,828 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2019-10-15 02:54:41,828 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2019-10-15 02:54:41,828 INFO L138 BoogieDeclarations]: Found implementation of procedure xen_has_pv_nic_devices [2019-10-15 02:54:41,828 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_alloc_evtchn [2019-10-15 02:54:41,828 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_dev_fatal [2019-10-15 02:54:41,829 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_free_evtchn [2019-10-15 02:54:41,829 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_frontend_closed [2019-10-15 02:54:41,829 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_grant_ring [2019-10-15 02:54:41,829 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_printf [2019-10-15 02:54:41,829 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_read [2019-10-15 02:54:41,829 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_scanf [2019-10-15 02:54:41,829 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_strstate [2019-10-15 02:54:41,830 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_switch_state [2019-10-15 02:54:41,830 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_transaction_end [2019-10-15 02:54:41,830 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_transaction_start [2019-10-15 02:54:41,830 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_unregister_driver [2019-10-15 02:54:41,830 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_write [2019-10-15 02:54:41,830 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-10-15 02:54:41,830 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-10-15 02:54:41,831 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-10-15 02:54:41,831 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-10-15 02:54:41,831 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-10-15 02:54:41,831 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-15 02:54:41,831 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2019-10-15 02:54:41,831 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2019-10-15 02:54:41,832 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2019-10-15 02:54:41,832 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2019-10-15 02:54:41,832 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2019-10-15 02:54:41,832 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-15 02:54:41,832 INFO L130 BoogieDeclarations]: Found specification of procedure find_next_bit [2019-10-15 02:54:41,832 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2019-10-15 02:54:41,832 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_pr_debug [2019-10-15 02:54:41,832 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_dev_dbg [2019-10-15 02:54:41,833 INFO L130 BoogieDeclarations]: Found specification of procedure simple_strtoul [2019-10-15 02:54:41,833 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2019-10-15 02:54:41,833 INFO L130 BoogieDeclarations]: Found specification of procedure snprintf [2019-10-15 02:54:41,833 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2019-10-15 02:54:41,833 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2019-10-15 02:54:41,833 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2019-10-15 02:54:41,833 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2019-10-15 02:54:41,833 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2019-10-15 02:54:41,834 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-15 02:54:41,834 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-10-15 02:54:41,834 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-10-15 02:54:41,834 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-15 02:54:41,834 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-10-15 02:54:41,834 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-10-15 02:54:41,834 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-10-15 02:54:41,834 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-10-15 02:54:41,835 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-15 02:54:41,835 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-10-15 02:54:41,835 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-10-15 02:54:41,835 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2019-10-15 02:54:41,835 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2019-10-15 02:54:41,835 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-10-15 02:54:41,835 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2019-10-15 02:54:41,836 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ptr [2019-10-15 02:54:41,836 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2019-10-15 02:54:41,836 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2019-10-15 02:54:41,836 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2019-10-15 02:54:41,836 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2019-10-15 02:54:41,836 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-10-15 02:54:41,836 INFO L130 BoogieDeclarations]: Found specification of procedure strlen [2019-10-15 02:54:41,836 INFO L130 BoogieDeclarations]: Found specification of procedure __bitmap_weight [2019-10-15 02:54:41,837 INFO L130 BoogieDeclarations]: Found specification of procedure bitmap_weight [2019-10-15 02:54:41,837 INFO L130 BoogieDeclarations]: Found specification of procedure cpumask_check [2019-10-15 02:54:41,837 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-15 02:54:41,837 INFO L130 BoogieDeclarations]: Found specification of procedure cpumask_next [2019-10-15 02:54:41,837 INFO L130 BoogieDeclarations]: Found specification of procedure cpumask_weight [2019-10-15 02:54:41,837 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2019-10-15 02:54:41,837 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2019-10-15 02:54:41,837 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2019-10-15 02:54:41,838 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2019-10-15 02:54:41,838 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2019-10-15 02:54:41,838 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2019-10-15 02:54:41,838 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock [2019-10-15 02:54:41,838 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_bh [2019-10-15 02:54:41,838 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irq [2019-10-15 02:54:41,838 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock [2019-10-15 02:54:41,839 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_bh [2019-10-15 02:54:41,839 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irq [2019-10-15 02:54:41,839 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore [2019-10-15 02:54:41,839 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2019-10-15 02:54:41,839 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_5 [2019-10-15 02:54:41,839 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2019-10-15 02:54:41,839 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_bh_6 [2019-10-15 02:54:41,839 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2019-10-15 02:54:41,840 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_irq_8 [2019-10-15 02:54:41,840 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2019-10-15 02:54:41,840 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_9 [2019-10-15 02:54:41,840 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2019-10-15 02:54:41,840 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_bh_10 [2019-10-15 02:54:41,840 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2019-10-15 02:54:41,840 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irq_11 [2019-10-15 02:54:41,840 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2019-10-15 02:54:41,841 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_12 [2019-10-15 02:54:41,841 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2019-10-15 02:54:41,841 INFO L130 BoogieDeclarations]: Found specification of procedure dump_page [2019-10-15 02:54:41,841 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2019-10-15 02:54:41,841 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer_40 [2019-10-15 02:54:41,841 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2019-10-15 02:54:41,841 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync_43 [2019-10-15 02:54:41,841 INFO L130 BoogieDeclarations]: Found specification of procedure xen_feature [2019-10-15 02:54:41,842 INFO L130 BoogieDeclarations]: Found specification of procedure __alloc_percpu [2019-10-15 02:54:41,842 INFO L130 BoogieDeclarations]: Found specification of procedure free_percpu [2019-10-15 02:54:41,842 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_pages [2019-10-15 02:54:41,842 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___get_free_pages_38 [2019-10-15 02:54:41,842 INFO L130 BoogieDeclarations]: Found specification of procedure get_zeroed_page [2019-10-15 02:54:41,842 INFO L130 BoogieDeclarations]: Found specification of procedure free_pages [2019-10-15 02:54:41,842 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2019-10-15 02:54:41,843 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-10-15 02:54:41,843 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kmem_cache_alloc_20 [2019-10-15 02:54:41,843 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kmem_cache_alloc_37 [2019-10-15 02:54:41,843 INFO L130 BoogieDeclarations]: Found specification of procedure kcalloc [2019-10-15 02:54:41,843 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2019-10-15 02:54:41,843 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2019-10-15 02:54:41,843 INFO L130 BoogieDeclarations]: Found specification of procedure timer_init_1 [2019-10-15 02:54:41,844 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_device_attribute_5 [2019-10-15 02:54:41,844 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_1 [2019-10-15 02:54:41,844 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_net_device_ops_7 [2019-10-15 02:54:41,844 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_1 [2019-10-15 02:54:41,849 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_timer_1 [2019-10-15 02:54:41,850 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_1 [2019-10-15 02:54:41,850 INFO L130 BoogieDeclarations]: Found specification of procedure choose_timer_1 [2019-10-15 02:54:41,850 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_ethtool_ops_6 [2019-10-15 02:54:41,850 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_xenbus_driver_2 [2019-10-15 02:54:41,850 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_1 [2019-10-15 02:54:41,851 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_device_attribute_4 [2019-10-15 02:54:41,851 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2019-10-15 02:54:41,851 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2019-10-15 02:54:41,851 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-15 02:54:41,852 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2019-10-15 02:54:41,852 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-15 02:54:41,852 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2019-10-15 02:54:41,852 INFO L130 BoogieDeclarations]: Found specification of procedure dev_warn [2019-10-15 02:54:41,852 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2019-10-15 02:54:41,853 INFO L130 BoogieDeclarations]: Found specification of procedure PageTail [2019-10-15 02:54:41,853 INFO L130 BoogieDeclarations]: Found specification of procedure __get_page_tail [2019-10-15 02:54:41,853 INFO L130 BoogieDeclarations]: Found specification of procedure get_page [2019-10-15 02:54:41,853 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-15 02:54:41,853 INFO L130 BoogieDeclarations]: Found specification of procedure lowmem_page_address [2019-10-15 02:54:41,853 INFO L130 BoogieDeclarations]: Found specification of procedure net_ratelimit [2019-10-15 02:54:41,853 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_get_hash [2019-10-15 02:54:41,853 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_size [2019-10-15 02:54:41,853 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_size_set [2019-10-15 02:54:41,854 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2019-10-15 02:54:41,854 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_clone_28 [2019-10-15 02:54:41,854 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_clone_36 [2019-10-15 02:54:41,854 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_copy_30 [2019-10-15 02:54:41,854 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pskb_expand_head_26 [2019-10-15 02:54:41,854 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pskb_expand_head_34 [2019-10-15 02:54:41,854 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pskb_expand_head_35 [2019-10-15 02:54:41,854 INFO L130 BoogieDeclarations]: Found specification of procedure skb_get_hash [2019-10-15 02:54:41,855 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2019-10-15 02:54:41,855 INFO L130 BoogieDeclarations]: Found specification of procedure skb_get [2019-10-15 02:54:41,855 INFO L130 BoogieDeclarations]: Found specification of procedure skb_peek [2019-10-15 02:54:41,855 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_len [2019-10-15 02:54:41,855 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_queue_head_init [2019-10-15 02:54:41,855 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_head_init [2019-10-15 02:54:41,855 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-15 02:54:41,855 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_insert [2019-10-15 02:54:41,856 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_queue_after [2019-10-15 02:54:41,856 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_queue_before [2019-10-15 02:54:41,856 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_queue_head [2019-10-15 02:54:41,856 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_queue_tail [2019-10-15 02:54:41,856 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_unlink [2019-10-15 02:54:41,856 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_dequeue [2019-10-15 02:54:41,856 INFO L130 BoogieDeclarations]: Found specification of procedure skb_is_nonlinear [2019-10-15 02:54:41,856 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headlen [2019-10-15 02:54:41,857 INFO L130 BoogieDeclarations]: Found specification of procedure skb_add_rx_frag [2019-10-15 02:54:41,857 INFO L130 BoogieDeclarations]: Found specification of procedure __pskb_pull_tail [2019-10-15 02:54:41,857 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2019-10-15 02:54:41,857 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reset_network_header [2019-10-15 02:54:41,857 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_queue_purge [2019-10-15 02:54:41,857 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___netdev_alloc_skb_31 [2019-10-15 02:54:41,857 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___netdev_alloc_skb_32 [2019-10-15 02:54:41,857 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___netdev_alloc_skb_33 [2019-10-15 02:54:41,858 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___netdev_alloc_skb_39 [2019-10-15 02:54:41,858 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_page [2019-10-15 02:54:41,858 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_linearize [2019-10-15 02:54:41,858 INFO L130 BoogieDeclarations]: Found specification of procedure skb_linearize [2019-10-15 02:54:41,858 INFO L130 BoogieDeclarations]: Found specification of procedure skb_has_frag_list [2019-10-15 02:54:41,858 INFO L130 BoogieDeclarations]: Found specification of procedure skb_get_queue_mapping [2019-10-15 02:54:41,858 INFO L130 BoogieDeclarations]: Found specification of procedure skb_is_gso [2019-10-15 02:54:41,858 INFO L130 BoogieDeclarations]: Found specification of procedure skb_checksum_setup [2019-10-15 02:54:41,859 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_op_get_link [2019-10-15 02:54:41,859 INFO L130 BoogieDeclarations]: Found specification of procedure u64_stats_init [2019-10-15 02:54:41,859 INFO L130 BoogieDeclarations]: Found specification of procedure u64_stats_fetch_begin_irq [2019-10-15 02:54:41,859 INFO L130 BoogieDeclarations]: Found specification of procedure u64_stats_fetch_retry_irq [2019-10-15 02:54:41,859 INFO L130 BoogieDeclarations]: Found specification of procedure __napi_schedule [2019-10-15 02:54:41,859 INFO L130 BoogieDeclarations]: Found specification of procedure napi_disable_pending [2019-10-15 02:54:41,859 INFO L130 BoogieDeclarations]: Found specification of procedure napi_schedule_prep [2019-10-15 02:54:41,859 INFO L130 BoogieDeclarations]: Found specification of procedure napi_schedule [2019-10-15 02:54:41,859 INFO L130 BoogieDeclarations]: Found specification of procedure napi_complete [2019-10-15 02:54:41,860 INFO L130 BoogieDeclarations]: Found specification of procedure napi_disable [2019-10-15 02:54:41,860 INFO L130 BoogieDeclarations]: Found specification of procedure napi_enable [2019-10-15 02:54:41,860 INFO L130 BoogieDeclarations]: Found specification of procedure napi_synchronize [2019-10-15 02:54:41,860 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2019-10-15 02:54:41,860 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2019-10-15 02:54:41,860 INFO L130 BoogieDeclarations]: Found specification of procedure netif_napi_add [2019-10-15 02:54:41,860 INFO L130 BoogieDeclarations]: Found specification of procedure netif_napi_del [2019-10-15 02:54:41,860 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2019-10-15 02:54:41,861 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev_41 [2019-10-15 02:54:41,861 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2019-10-15 02:54:41,861 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_all_queues [2019-10-15 02:54:41,861 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_wake_queue [2019-10-15 02:54:41,861 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2019-10-15 02:54:41,861 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_all_queues [2019-10-15 02:54:41,861 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_queue_stopped [2019-10-15 02:54:41,861 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2019-10-15 02:54:41,862 INFO L130 BoogieDeclarations]: Found specification of procedure netif_set_real_num_tx_queues [2019-10-15 02:54:41,862 INFO L130 BoogieDeclarations]: Found specification of procedure __dev_kfree_skb_irq [2019-10-15 02:54:41,862 INFO L130 BoogieDeclarations]: Found specification of procedure __dev_kfree_skb_any [2019-10-15 02:54:41,862 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_irq [2019-10-15 02:54:41,862 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2019-10-15 02:54:41,862 INFO L130 BoogieDeclarations]: Found specification of procedure napi_gro_receive [2019-10-15 02:54:41,862 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2019-10-15 02:54:41,862 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2019-10-15 02:54:41,863 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2019-10-15 02:54:41,863 INFO L130 BoogieDeclarations]: Found specification of procedure register_netdev [2019-10-15 02:54:41,863 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_netdev_42 [2019-10-15 02:54:41,863 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2019-10-15 02:54:41,863 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev_44 [2019-10-15 02:54:41,863 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_notify_peers [2019-10-15 02:54:41,863 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_update_features [2019-10-15 02:54:41,863 INFO L130 BoogieDeclarations]: Found specification of procedure netif_skb_features [2019-10-15 02:54:41,863 INFO L130 BoogieDeclarations]: Found specification of procedure net_gso_ok [2019-10-15 02:54:41,864 INFO L130 BoogieDeclarations]: Found specification of procedure skb_gso_ok [2019-10-15 02:54:41,864 INFO L130 BoogieDeclarations]: Found specification of procedure netif_needs_gso [2019-10-15 02:54:41,864 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_info [2019-10-15 02:54:41,864 INFO L130 BoogieDeclarations]: Found specification of procedure eth_type_trans [2019-10-15 02:54:41,864 INFO L130 BoogieDeclarations]: Found specification of procedure eth_mac_addr [2019-10-15 02:54:41,864 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2019-10-15 02:54:41,864 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_etherdev_mqs [2019-10-15 02:54:41,864 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_lock [2019-10-15 02:54:41,865 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_unlock [2019-10-15 02:54:41,865 INFO L130 BoogieDeclarations]: Found specification of procedure __xenbus_register_frontend [2019-10-15 02:54:41,865 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_unregister_driver [2019-10-15 02:54:41,865 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_read [2019-10-15 02:54:41,865 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_write [2019-10-15 02:54:41,865 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_transaction_start [2019-10-15 02:54:41,865 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_transaction_end [2019-10-15 02:54:41,866 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_scanf [2019-10-15 02:54:41,866 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_printf [2019-10-15 02:54:41,867 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_switch_state [2019-10-15 02:54:41,868 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_grant_ring [2019-10-15 02:54:41,868 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_alloc_evtchn [2019-10-15 02:54:41,868 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_free_evtchn [2019-10-15 02:54:41,868 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_dev_fatal [2019-10-15 02:54:41,868 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_strstate [2019-10-15 02:54:41,869 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_frontend_closed [2019-10-15 02:54:41,869 INFO L130 BoogieDeclarations]: Found specification of procedure bind_evtchn_to_irqhandler [2019-10-15 02:54:41,869 INFO L130 BoogieDeclarations]: Found specification of procedure unbind_from_irqhandler [2019-10-15 02:54:41,869 INFO L130 BoogieDeclarations]: Found specification of procedure notify_remote_via_irq [2019-10-15 02:54:41,869 INFO L130 BoogieDeclarations]: Found specification of procedure gnttab_end_foreign_access_ref [2019-10-15 02:54:41,869 INFO L130 BoogieDeclarations]: Found specification of procedure gnttab_end_foreign_access [2019-10-15 02:54:41,869 INFO L130 BoogieDeclarations]: Found specification of procedure gnttab_query_foreign_access [2019-10-15 02:54:41,869 INFO L130 BoogieDeclarations]: Found specification of procedure gnttab_alloc_grant_references [2019-10-15 02:54:41,870 INFO L130 BoogieDeclarations]: Found specification of procedure gnttab_free_grant_references [2019-10-15 02:54:41,870 INFO L130 BoogieDeclarations]: Found specification of procedure gnttab_claim_grant_reference [2019-10-15 02:54:41,870 INFO L130 BoogieDeclarations]: Found specification of procedure gnttab_release_grant_reference [2019-10-15 02:54:41,870 INFO L130 BoogieDeclarations]: Found specification of procedure gnttab_grant_foreign_access_ref [2019-10-15 02:54:41,870 INFO L130 BoogieDeclarations]: Found specification of procedure get_phys_to_machine [2019-10-15 02:54:41,870 INFO L130 BoogieDeclarations]: Found specification of procedure __pfn_to_mfn [2019-10-15 02:54:41,870 INFO L130 BoogieDeclarations]: Found specification of procedure pfn_to_mfn [2019-10-15 02:54:41,870 INFO L130 BoogieDeclarations]: Found specification of procedure page_to_mfn [2019-10-15 02:54:41,870 INFO L130 BoogieDeclarations]: Found specification of procedure xen_has_pv_nic_devices [2019-10-15 02:54:41,871 INFO L130 BoogieDeclarations]: Found specification of procedure skb_entry_set_link [2019-10-15 02:54:41,871 INFO L130 BoogieDeclarations]: Found specification of procedure skb_entry_is_link [2019-10-15 02:54:41,871 INFO L130 BoogieDeclarations]: Found specification of procedure add_id_to_freelist [2019-10-15 02:54:41,871 INFO L130 BoogieDeclarations]: Found specification of procedure get_id_from_freelist [2019-10-15 02:54:41,871 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_rxidx [2019-10-15 02:54:41,871 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_get_rx_skb [2019-10-15 02:54:41,871 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_get_rx_ref [2019-10-15 02:54:41,871 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_can_sg [2019-10-15 02:54:41,871 INFO L130 BoogieDeclarations]: Found specification of procedure rx_refill_timeout [2019-10-15 02:54:41,872 INFO L130 BoogieDeclarations]: Found specification of procedure netfront_tx_slot_available [2019-10-15 02:54:41,872 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_maybe_wake_tx [2019-10-15 02:54:41,872 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_alloc_one_rx_buffer [2019-10-15 02:54:41,872 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_alloc_rx_buffers [2019-10-15 02:54:41,872 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_open [2019-10-15 02:54:41,872 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_tx_buf_gc [2019-10-15 02:54:41,872 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_make_one_txreq [2019-10-15 02:54:41,872 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_make_txreqs [2019-10-15 02:54:41,873 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_count_skb_slots [2019-10-15 02:54:41,873 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_select_queue [2019-10-15 02:54:41,873 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_start_xmit [2019-10-15 02:54:41,873 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_close [2019-10-15 02:54:41,873 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_move_rx_slot [2019-10-15 02:54:41,873 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_get_extras [2019-10-15 02:54:41,873 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-10-15 02:54:41,873 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_get_responses [2019-10-15 02:54:41,874 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_set_skb_gso [2019-10-15 02:54:41,874 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_fill_frags [2019-10-15 02:54:41,874 INFO L130 BoogieDeclarations]: Found specification of procedure checksum_setup [2019-10-15 02:54:41,874 INFO L130 BoogieDeclarations]: Found specification of procedure handle_incoming_queue [2019-10-15 02:54:41,874 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_poll [2019-10-15 02:54:41,874 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_change_mtu [2019-10-15 02:54:41,874 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_get_stats64 [2019-10-15 02:54:41,874 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_release_tx_bufs [2019-10-15 02:54:41,875 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_release_rx_bufs [2019-10-15 02:54:41,875 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_fix_features [2019-10-15 02:54:41,875 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_set_features [2019-10-15 02:54:41,875 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_tx_interrupt [2019-10-15 02:54:41,875 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_rx_interrupt [2019-10-15 02:54:41,875 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_interrupt [2019-10-15 02:54:41,875 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_poll_controller [2019-10-15 02:54:41,875 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_free_netdev [2019-10-15 02:54:41,876 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_create_dev [2019-10-15 02:54:41,876 INFO L130 BoogieDeclarations]: Found specification of procedure netfront_probe [2019-10-15 02:54:41,876 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_end_access [2019-10-15 02:54:41,876 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_disconnect_backend [2019-10-15 02:54:41,876 INFO L130 BoogieDeclarations]: Found specification of procedure netfront_resume [2019-10-15 02:54:41,876 INFO L130 BoogieDeclarations]: Found specification of procedure xen_net_read_mac [2019-10-15 02:54:41,876 INFO L130 BoogieDeclarations]: Found specification of procedure setup_netfront_single [2019-10-15 02:54:41,876 INFO L130 BoogieDeclarations]: Found specification of procedure setup_netfront_split [2019-10-15 02:54:41,876 INFO L130 BoogieDeclarations]: Found specification of procedure setup_netfront [2019-10-15 02:54:41,877 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_init_queue [2019-10-15 02:54:41,877 INFO L130 BoogieDeclarations]: Found specification of procedure write_queue_xenstore_keys [2019-10-15 02:54:41,877 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_destroy_queues [2019-10-15 02:54:41,877 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_create_queues [2019-10-15 02:54:41,877 INFO L130 BoogieDeclarations]: Found specification of procedure talk_to_netback [2019-10-15 02:54:41,877 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_connect [2019-10-15 02:54:41,877 INFO L130 BoogieDeclarations]: Found specification of procedure netback_changed [2019-10-15 02:54:41,877 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_get_sset_count [2019-10-15 02:54:41,878 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_get_ethtool_stats [2019-10-15 02:54:41,878 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_get_strings [2019-10-15 02:54:41,878 INFO L130 BoogieDeclarations]: Found specification of procedure show_rxbuf [2019-10-15 02:54:41,878 INFO L130 BoogieDeclarations]: Found specification of procedure store_rxbuf [2019-10-15 02:54:41,878 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_remove [2019-10-15 02:54:41,878 INFO L130 BoogieDeclarations]: Found specification of procedure netif_init [2019-10-15 02:54:41,878 INFO L130 BoogieDeclarations]: Found specification of procedure netif_exit [2019-10-15 02:54:41,878 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ndo_init_7 [2019-10-15 02:54:41,878 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ndo_uninit_7 [2019-10-15 02:54:41,879 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-10-15 02:54:41,879 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-10-15 02:54:41,879 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_suspend_2 [2019-10-15 02:54:41,879 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-15 02:54:41,879 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2019-10-15 02:54:41,879 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2019-10-15 02:54:41,879 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_some_page [2019-10-15 02:54:41,879 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags_and_return_some_page [2019-10-15 02:54:41,880 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_nonatomic [2019-10-15 02:54:41,880 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock [2019-10-15 02:54:41,880 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-10-15 02:54:41,880 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-10-15 02:54:41,880 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ushort [2019-10-15 02:54:41,880 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2019-10-15 02:54:41,880 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-15 02:54:41,880 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-15 02:54:41,880 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-15 02:54:41,881 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-10-15 02:54:41,881 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2019-10-15 02:54:41,881 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-15 02:54:41,881 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-10-15 02:54:41,881 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-10-15 02:54:41,881 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2019-10-15 02:54:43,309 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2019-10-15 02:55:04,318 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-15 02:55:04,318 INFO L284 CfgBuilder]: Removed 0 assume(true) statements. [2019-10-15 02:55:04,321 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 02:55:04 BoogieIcfgContainer [2019-10-15 02:55:04,321 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-15 02:55:04,322 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-15 02:55:04,322 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-15 02:55:04,325 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-15 02:55:04,325 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 02:54:36" (1/3) ... [2019-10-15 02:55:04,326 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a7f663c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 02:55:04, skipping insertion in model container [2019-10-15 02:55:04,326 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:54:41" (2/3) ... [2019-10-15 02:55:04,327 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a7f663c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 02:55:04, skipping insertion in model container [2019-10-15 02:55:04,327 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 02:55:04" (3/3) ... [2019-10-15 02:55:04,329 INFO L109 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--net--xen-netfront.ko-entry_point.cil.out.i [2019-10-15 02:55:04,339 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-15 02:55:04,349 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-15 02:55:04,361 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-15 02:55:04,397 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-15 02:55:04,397 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-15 02:55:04,397 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-15 02:55:04,397 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-15 02:55:04,397 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-15 02:55:04,398 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-15 02:55:04,398 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-15 02:55:04,398 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-15 02:55:04,455 INFO L276 IsEmpty]: Start isEmpty. Operand 2073 states. [2019-10-15 02:55:04,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 295 [2019-10-15 02:55:04,496 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 02:55:04,497 INFO L380 BasicCegarLoop]: trace histogram [16, 16, 16, 16, 16, 9, 9, 9, 9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 02:55:04,500 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 02:55:04,506 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 02:55:04,507 INFO L82 PathProgramCache]: Analyzing trace with hash -1126633903, now seen corresponding path program 1 times [2019-10-15 02:55:04,517 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 02:55:04,518 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [606425450] [2019-10-15 02:55:04,518 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 02:55:04,518 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 02:55:04,518 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 02:55:05,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 02:55:06,026 INFO L134 CoverageAnalysis]: Checked inductivity of 972 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 972 trivial. 0 not checked. [2019-10-15 02:55:06,027 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [606425450] [2019-10-15 02:55:06,028 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 02:55:06,029 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 02:55:06,029 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [783431683] [2019-10-15 02:55:06,036 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 02:55:06,036 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 02:55:06,051 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 02:55:06,052 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 02:55:06,054 INFO L87 Difference]: Start difference. First operand 2073 states. Second operand 3 states. [2019-10-15 02:55:06,621 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 02:55:06,621 INFO L93 Difference]: Finished difference Result 4330 states and 5613 transitions. [2019-10-15 02:55:06,621 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 02:55:06,623 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 294 [2019-10-15 02:55:06,625 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 02:55:06,668 INFO L225 Difference]: With dead ends: 4330 [2019-10-15 02:55:06,669 INFO L226 Difference]: Without dead ends: 2613 [2019-10-15 02:55:06,686 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 02:55:06,715 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2613 states. [2019-10-15 02:55:06,912 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2613 to 2609. [2019-10-15 02:55:06,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2609 states. [2019-10-15 02:55:06,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2609 states to 2609 states and 3347 transitions. [2019-10-15 02:55:06,935 INFO L78 Accepts]: Start accepts. Automaton has 2609 states and 3347 transitions. Word has length 294 [2019-10-15 02:55:06,937 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 02:55:06,938 INFO L462 AbstractCegarLoop]: Abstraction has 2609 states and 3347 transitions. [2019-10-15 02:55:06,938 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 02:55:06,938 INFO L276 IsEmpty]: Start isEmpty. Operand 2609 states and 3347 transitions. [2019-10-15 02:55:06,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 307 [2019-10-15 02:55:06,948 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 02:55:06,949 INFO L380 BasicCegarLoop]: trace histogram [16, 16, 16, 16, 16, 9, 9, 9, 9, 9, 9, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 02:55:06,949 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 02:55:06,950 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 02:55:06,950 INFO L82 PathProgramCache]: Analyzing trace with hash -1338800045, now seen corresponding path program 1 times [2019-10-15 02:55:06,950 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 02:55:06,951 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1742331537] [2019-10-15 02:55:06,951 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 02:55:06,951 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 02:55:06,951 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 02:55:08,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 02:55:08,348 INFO L134 CoverageAnalysis]: Checked inductivity of 984 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 984 trivial. 0 not checked. [2019-10-15 02:55:08,349 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1742331537] [2019-10-15 02:55:08,349 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 02:55:08,349 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 02:55:08,349 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [843706243] [2019-10-15 02:55:08,353 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 02:55:08,353 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 02:55:08,353 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 02:55:08,353 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 02:55:08,354 INFO L87 Difference]: Start difference. First operand 2609 states and 3347 transitions. Second operand 3 states. [2019-10-15 02:55:08,918 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 02:55:08,919 INFO L93 Difference]: Finished difference Result 6510 states and 8339 transitions. [2019-10-15 02:55:08,919 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 02:55:08,919 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 306 [2019-10-15 02:55:08,921 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 02:55:08,960 INFO L225 Difference]: With dead ends: 6510 [2019-10-15 02:55:08,960 INFO L226 Difference]: Without dead ends: 3970 [2019-10-15 02:55:08,974 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 02:55:08,982 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3970 states. [2019-10-15 02:55:09,158 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3970 to 3940. [2019-10-15 02:55:09,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3940 states. [2019-10-15 02:55:09,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3940 states to 3940 states and 5051 transitions. [2019-10-15 02:55:09,188 INFO L78 Accepts]: Start accepts. Automaton has 3940 states and 5051 transitions. Word has length 306 [2019-10-15 02:55:09,193 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 02:55:09,194 INFO L462 AbstractCegarLoop]: Abstraction has 3940 states and 5051 transitions. [2019-10-15 02:55:09,194 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 02:55:09,194 INFO L276 IsEmpty]: Start isEmpty. Operand 3940 states and 5051 transitions. [2019-10-15 02:55:09,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 376 [2019-10-15 02:55:09,205 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 02:55:09,206 INFO L380 BasicCegarLoop]: trace histogram [22, 22, 22, 22, 22, 9, 9, 9, 9, 9, 9, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 02:55:09,206 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 02:55:09,207 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 02:55:09,207 INFO L82 PathProgramCache]: Analyzing trace with hash 1042749190, now seen corresponding path program 1 times [2019-10-15 02:55:09,207 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 02:55:09,208 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [735664570] [2019-10-15 02:55:09,208 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 02:55:09,209 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 02:55:09,209 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 02:55:09,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat