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-08_1a-drivers--net--xen-netback--xen-netback.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-36ac518-m [2019-10-07 11:12:39,991 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-07 11:12:39,993 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-07 11:12:40,007 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-07 11:12:40,007 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-07 11:12:40,008 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-07 11:12:40,011 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-07 11:12:40,013 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-07 11:12:40,015 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-07 11:12:40,015 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-07 11:12:40,016 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-07 11:12:40,018 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-07 11:12:40,018 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-07 11:12:40,019 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-07 11:12:40,020 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-07 11:12:40,027 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-07 11:12:40,028 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-07 11:12:40,029 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-07 11:12:40,031 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-07 11:12:40,033 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-07 11:12:40,035 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-07 11:12:40,036 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-07 11:12:40,038 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-07 11:12:40,039 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-07 11:12:40,041 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-07 11:12:40,041 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-07 11:12:40,042 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-07 11:12:40,043 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-07 11:12:40,043 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-07 11:12:40,044 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-07 11:12:40,044 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-07 11:12:40,045 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-07 11:12:40,046 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-07 11:12:40,047 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-07 11:12:40,048 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-07 11:12:40,048 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-07 11:12:40,049 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-07 11:12:40,049 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-07 11:12:40,049 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-07 11:12:40,051 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-07 11:12:40,051 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-07 11:12:40,052 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 [2019-10-07 11:12:40,069 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-07 11:12:40,069 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-07 11:12:40,071 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-07 11:12:40,071 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-07 11:12:40,071 INFO L138 SettingsManager]: * Use SBE=true [2019-10-07 11:12:40,071 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-07 11:12:40,072 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-07 11:12:40,072 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-07 11:12:40,072 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-07 11:12:40,072 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-07 11:12:40,072 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-07 11:12:40,073 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-07 11:12:40,073 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-07 11:12:40,073 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-07 11:12:40,073 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-07 11:12:40,073 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-07 11:12:40,074 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-07 11:12:40,074 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-07 11:12:40,074 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-07 11:12:40,074 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-07 11:12:40,074 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-07 11:12:40,075 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-07 11:12:40,075 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-07 11:12:40,076 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-07 11:12:40,076 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-07 11:12:40,076 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-07 11:12:40,076 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-07 11:12:40,076 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-07 11:12:40,077 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 [2019-10-07 11:12:40,436 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-07 11:12:40,461 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-07 11:12:40,464 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-07 11:12:40,466 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-07 11:12:40,466 INFO L275 PluginConnector]: CDTParser initialized [2019-10-07 11:12:40,467 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--net--xen-netback--xen-netback.ko-entry_point.cil.out.i [2019-10-07 11:12:40,538 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c1ff73126/dcbab6bfe84a4c81817060ac0e56381d/FLAG14a439bb4 [2019-10-07 11:12:41,538 INFO L306 CDTParser]: Found 1 translation units. [2019-10-07 11:12:41,539 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--net--xen-netback--xen-netback.ko-entry_point.cil.out.i [2019-10-07 11:12:41,602 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c1ff73126/dcbab6bfe84a4c81817060ac0e56381d/FLAG14a439bb4 [2019-10-07 11:12:41,922 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c1ff73126/dcbab6bfe84a4c81817060ac0e56381d [2019-10-07 11:12:41,930 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-07 11:12:41,932 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-07 11:12:41,933 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-07 11:12:41,933 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-07 11:12:41,936 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-07 11:12:41,937 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 11:12:41" (1/1) ... [2019-10-07 11:12:41,940 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@55dca4b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 11:12:41, skipping insertion in model container [2019-10-07 11:12:41,941 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 11:12:41" (1/1) ... [2019-10-07 11:12:41,949 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-07 11:12:42,195 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-07 11:12:46,321 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 11:12:46,395 INFO L188 MainTranslator]: Completed pre-run [2019-10-07 11:12:47,065 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 11:12:48,092 INFO L192 MainTranslator]: Completed translation [2019-10-07 11:12:48,093 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 11:12:48 WrapperNode [2019-10-07 11:12:48,093 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-07 11:12:48,094 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-07 11:12:48,094 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-07 11:12:48,094 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-07 11:12:48,109 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 11:12:48" (1/1) ... [2019-10-07 11:12:48,110 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 11:12:48" (1/1) ... [2019-10-07 11:12:48,226 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 11:12:48" (1/1) ... [2019-10-07 11:12:48,227 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 11:12:48" (1/1) ... [2019-10-07 11:12:48,407 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 11:12:48" (1/1) ... [2019-10-07 11:12:48,451 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 11:12:48" (1/1) ... [2019-10-07 11:12:48,523 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 11:12:48" (1/1) ... [2019-10-07 11:12:48,588 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-07 11:12:48,589 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-07 11:12:48,589 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-07 11:12:48,589 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-07 11:12:48,591 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 11:12:48" (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 [2019-10-07 11:12:48,663 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-07 11:12:48,663 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-07 11:12:48,663 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~bool~0~TO~VOID [2019-10-07 11:12:48,664 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2019-10-07 11:12:48,664 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2019-10-07 11:12:48,664 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2019-10-07 11:12:48,664 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2019-10-07 11:12:48,664 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2019-10-07 11:12:48,665 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2019-10-07 11:12:48,665 INFO L138 BoogieDeclarations]: Found implementation of procedure bitmap_weight [2019-10-07 11:12:48,665 INFO L138 BoogieDeclarations]: Found implementation of procedure cpumask_weight [2019-10-07 11:12:48,665 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2019-10-07 11:12:48,665 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2019-10-07 11:12:48,666 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2019-10-07 11:12:48,666 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2019-10-07 11:12:48,666 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2019-10-07 11:12:48,666 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2019-10-07 11:12:48,666 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2019-10-07 11:12:48,667 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2019-10-07 11:12:48,667 INFO L138 BoogieDeclarations]: Found implementation of procedure get_jiffies_64 [2019-10-07 11:12:48,667 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2019-10-07 11:12:48,667 INFO L138 BoogieDeclarations]: Found implementation of procedure timer_pending [2019-10-07 11:12:48,667 INFO L138 BoogieDeclarations]: Found implementation of procedure xen_feature [2019-10-07 11:12:48,668 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_pages [2019-10-07 11:12:48,668 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-10-07 11:12:48,668 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-10-07 11:12:48,668 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2019-10-07 11:12:48,668 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2019-10-07 11:12:48,668 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2019-10-07 11:12:48,669 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ptr [2019-10-07 11:12:48,669 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2019-10-07 11:12:48,669 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2019-10-07 11:12:48,669 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2019-10-07 11:12:48,669 INFO L138 BoogieDeclarations]: Found implementation of procedure PageForeign [2019-10-07 11:12:48,669 INFO L138 BoogieDeclarations]: Found implementation of procedure PageHead [2019-10-07 11:12:48,670 INFO L138 BoogieDeclarations]: Found implementation of procedure PageTail [2019-10-07 11:12:48,670 INFO L138 BoogieDeclarations]: Found implementation of procedure PageCompound [2019-10-07 11:12:48,670 INFO L138 BoogieDeclarations]: Found implementation of procedure compound_head_by_tail [2019-10-07 11:12:48,670 INFO L138 BoogieDeclarations]: Found implementation of procedure compound_head [2019-10-07 11:12:48,670 INFO L138 BoogieDeclarations]: Found implementation of procedure get_page [2019-10-07 11:12:48,670 INFO L138 BoogieDeclarations]: Found implementation of procedure compound_order [2019-10-07 11:12:48,670 INFO L138 BoogieDeclarations]: Found implementation of procedure lowmem_page_address [2019-10-07 11:12:48,671 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_flow_dissect_flow_keys [2019-10-07 11:12:48,671 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_size [2019-10-07 11:12:48,671 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_size_set [2019-10-07 11:12:48,671 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_skb [2019-10-07 11:12:48,671 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2019-10-07 11:12:48,671 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_empty [2019-10-07 11:12:48,671 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_peek [2019-10-07 11:12:48,672 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_len [2019-10-07 11:12:48,672 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_queue_head_init [2019-10-07 11:12:48,672 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_head_init [2019-10-07 11:12:48,672 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_insert [2019-10-07 11:12:48,672 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_queue_before [2019-10-07 11:12:48,672 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_queue_tail [2019-10-07 11:12:48,672 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_unlink [2019-10-07 11:12:48,673 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_dequeue [2019-10-07 11:12:48,673 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_is_nonlinear [2019-10-07 11:12:48,673 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headlen [2019-10-07 11:12:48,673 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_fill_page_desc [2019-10-07 11:12:48,673 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tail_pointer [2019-10-07 11:12:48,673 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_put [2019-10-07 11:12:48,674 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2019-10-07 11:12:48,674 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_header_was_set [2019-10-07 11:12:48,674 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_header [2019-10-07 11:12:48,674 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reset_transport_header [2019-10-07 11:12:48,674 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_set_transport_header [2019-10-07 11:12:48,674 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reset_network_header [2019-10-07 11:12:48,675 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_mac_header [2019-10-07 11:12:48,675 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_probe_transport_header [2019-10-07 11:12:48,675 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_page [2019-10-07 11:12:48,675 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_frag_unref [2019-10-07 11:12:48,675 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_unref [2019-10-07 11:12:48,675 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_has_frag_list [2019-10-07 11:12:48,675 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_list_init [2019-10-07 11:12:48,676 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_is_gso [2019-10-07 11:12:48,676 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_disable_pending [2019-10-07 11:12:48,676 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_schedule_prep [2019-10-07 11:12:48,676 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_schedule [2019-10-07 11:12:48,676 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2019-10-07 11:12:48,676 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2019-10-07 11:12:48,677 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2019-10-07 11:12:48,677 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_receive_skb [2019-10-07 11:12:48,677 INFO L138 BoogieDeclarations]: Found implementation of procedure gnttab_set_map_op [2019-10-07 11:12:48,677 INFO L138 BoogieDeclarations]: Found implementation of procedure gnttab_set_unmap_op [2019-10-07 11:12:48,677 INFO L138 BoogieDeclarations]: Found implementation of procedure xen_page_foreign [2019-10-07 11:12:48,677 INFO L138 BoogieDeclarations]: Found implementation of procedure to_xenbus_device [2019-10-07 11:12:48,677 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_to_xenbus_device [2019-10-07 11:12:48,678 INFO L138 BoogieDeclarations]: Found implementation of procedure tcp_hdr [2019-10-07 11:12:48,678 INFO L138 BoogieDeclarations]: Found implementation of procedure tcp_hdrlen [2019-10-07 11:12:48,678 INFO L138 BoogieDeclarations]: Found implementation of procedure __pfn_to_mfn [2019-10-07 11:12:48,678 INFO L138 BoogieDeclarations]: Found implementation of procedure pfn_to_mfn [2019-10-07 11:12:48,678 INFO L138 BoogieDeclarations]: Found implementation of procedure idx_to_pfn [2019-10-07 11:12:48,678 INFO L138 BoogieDeclarations]: Found implementation of procedure idx_to_kaddr [2019-10-07 11:12:48,678 INFO L138 BoogieDeclarations]: Found implementation of procedure ubuf_to_queue [2019-10-07 11:12:48,679 INFO L138 BoogieDeclarations]: Found implementation of procedure frag_get_pending_idx [2019-10-07 11:12:48,679 INFO L138 BoogieDeclarations]: Found implementation of procedure frag_set_pending_idx [2019-10-07 11:12:48,679 INFO L138 BoogieDeclarations]: Found implementation of procedure pending_index [2019-10-07 11:12:48,679 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_rx_ring_slots_available [2019-10-07 11:12:48,679 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_rx_queue_tail [2019-10-07 11:12:48,679 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_rx_dequeue [2019-10-07 11:12:48,680 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_rx_queue_maybe_wake [2019-10-07 11:12:48,680 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_rx_queue_purge [2019-10-07 11:12:48,680 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_rx_queue_drop_expired [2019-10-07 11:12:48,680 INFO L138 BoogieDeclarations]: Found implementation of procedure get_next_rx_buffer [2019-10-07 11:12:48,680 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_gop_frag_copy [2019-10-07 11:12:48,680 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_gop_skb [2019-10-07 11:12:48,680 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_check_gop [2019-10-07 11:12:48,680 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_add_frag_responses [2019-10-07 11:12:48,681 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_kick_thread [2019-10-07 11:12:48,681 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_rx_action [2019-10-07 11:12:48,681 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_napi_schedule_or_enable_events [2019-10-07 11:12:48,681 INFO L138 BoogieDeclarations]: Found implementation of procedure tx_add_credit [2019-10-07 11:12:48,681 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_tx_credit_callback [2019-10-07 11:12:48,681 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_tx_err [2019-10-07 11:12:48,682 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_fatal_tx_err [2019-10-07 11:12:48,682 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_count_requests [2019-10-07 11:12:48,682 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_tx_create_map_op [2019-10-07 11:12:48,682 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_alloc_skb [2019-10-07 11:12:48,682 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_get_requests [2019-10-07 11:12:48,682 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_grant_handle_set [2019-10-07 11:12:48,682 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_grant_handle_reset [2019-10-07 11:12:48,683 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_tx_check_gop [2019-10-07 11:12:48,683 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_fill_frags [2019-10-07 11:12:48,683 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_get_extras [2019-10-07 11:12:48,683 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_set_skb_gso [2019-10-07 11:12:48,683 INFO L138 BoogieDeclarations]: Found implementation of procedure checksum_setup [2019-10-07 11:12:48,683 INFO L138 BoogieDeclarations]: Found implementation of procedure tx_credit_exceeded [2019-10-07 11:12:48,683 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_tx_build_gops [2019-10-07 11:12:48,684 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_handle_frag_list [2019-10-07 11:12:48,684 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_tx_submit [2019-10-07 11:12:48,684 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_zerocopy_callback [2019-10-07 11:12:48,684 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_tx_dealloc_action [2019-10-07 11:12:48,684 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_tx_action [2019-10-07 11:12:48,684 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_idx_release [2019-10-07 11:12:48,685 INFO L138 BoogieDeclarations]: Found implementation of procedure make_tx_response [2019-10-07 11:12:48,685 INFO L138 BoogieDeclarations]: Found implementation of procedure push_tx_responses [2019-10-07 11:12:48,685 INFO L138 BoogieDeclarations]: Found implementation of procedure make_rx_response [2019-10-07 11:12:48,685 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_idx_unmap [2019-10-07 11:12:48,685 INFO L138 BoogieDeclarations]: Found implementation of procedure tx_work_todo [2019-10-07 11:12:48,685 INFO L138 BoogieDeclarations]: Found implementation of procedure tx_dealloc_work_todo [2019-10-07 11:12:48,686 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_unmap_frontend_rings [2019-10-07 11:12:48,686 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_map_frontend_rings [2019-10-07 11:12:48,686 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_queue_carrier_off [2019-10-07 11:12:48,686 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_queue_carrier_on [2019-10-07 11:12:48,686 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_rx_queue_stalled [2019-10-07 11:12:48,686 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_rx_queue_ready [2019-10-07 11:12:48,686 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_have_rx_work [2019-10-07 11:12:48,687 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_rx_queue_timeout [2019-10-07 11:12:48,687 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_wait_for_rx_work [2019-10-07 11:12:48,687 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_kthread_guest_rx [2019-10-07 11:12:48,687 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_dealloc_kthread_should_stop [2019-10-07 11:12:48,687 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_dealloc_kthread [2019-10-07 11:12:48,687 INFO L138 BoogieDeclarations]: Found implementation of procedure netback_init [2019-10-07 11:12:48,688 INFO L138 BoogieDeclarations]: Found implementation of procedure netback_fini [2019-10-07 11:12:48,688 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-07 11:12:48,688 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2019-10-07 11:12:48,688 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR_OR_NULL [2019-10-07 11:12:48,688 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer_5 [2019-10-07 11:12:48,688 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2019-10-07 11:12:48,688 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2019-10-07 11:12:48,688 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2019-10-07 11:12:48,689 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2019-10-07 11:12:48,689 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2019-10-07 11:12:48,689 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_wake_all_queues [2019-10-07 11:12:48,689 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_queue_stopped [2019-10-07 11:12:48,689 INFO L138 BoogieDeclarations]: Found implementation of procedure nr_pending_reqs [2019-10-07 11:12:48,689 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_read_io_ring [2019-10-07 11:12:48,689 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_write_io_ring [2019-10-07 11:12:48,689 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_dump_open [2019-10-07 11:12:48,690 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_debugfs_addif [2019-10-07 11:12:48,690 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_debugfs_delif [2019-10-07 11:12:48,690 INFO L138 BoogieDeclarations]: Found implementation of procedure netback_remove [2019-10-07 11:12:48,690 INFO L138 BoogieDeclarations]: Found implementation of procedure netback_probe [2019-10-07 11:12:48,690 INFO L138 BoogieDeclarations]: Found implementation of procedure netback_uevent [2019-10-07 11:12:48,690 INFO L138 BoogieDeclarations]: Found implementation of procedure backend_create_xenvif [2019-10-07 11:12:48,690 INFO L138 BoogieDeclarations]: Found implementation of procedure backend_disconnect [2019-10-07 11:12:48,691 INFO L138 BoogieDeclarations]: Found implementation of procedure backend_connect [2019-10-07 11:12:48,691 INFO L138 BoogieDeclarations]: Found implementation of procedure backend_switch_state [2019-10-07 11:12:48,691 INFO L138 BoogieDeclarations]: Found implementation of procedure set_backend_state [2019-10-07 11:12:48,691 INFO L138 BoogieDeclarations]: Found implementation of procedure frontend_changed [2019-10-07 11:12:48,691 INFO L138 BoogieDeclarations]: Found implementation of procedure xen_net_read_rate [2019-10-07 11:12:48,691 INFO L138 BoogieDeclarations]: Found implementation of procedure xen_net_read_mac [2019-10-07 11:12:48,691 INFO L138 BoogieDeclarations]: Found implementation of procedure xen_net_rate_changed [2019-10-07 11:12:48,692 INFO L138 BoogieDeclarations]: Found implementation of procedure xen_register_watchers [2019-10-07 11:12:48,692 INFO L138 BoogieDeclarations]: Found implementation of procedure xen_unregister_watchers [2019-10-07 11:12:48,692 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_hotplug_status_watch [2019-10-07 11:12:48,692 INFO L138 BoogieDeclarations]: Found implementation of procedure hotplug_status_changed [2019-10-07 11:12:48,692 INFO L138 BoogieDeclarations]: Found implementation of procedure connect [2019-10-07 11:12:48,692 INFO L138 BoogieDeclarations]: Found implementation of procedure connect_rings [2019-10-07 11:12:48,693 INFO L138 BoogieDeclarations]: Found implementation of procedure read_xenbus_vif_flags [2019-10-07 11:12:48,693 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_xenbus_init [2019-10-07 11:12:48,693 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_xenbus_fini [2019-10-07 11:12:48,693 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_xenbus_driver_4 [2019-10-07 11:12:48,693 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_file_operations_5 [2019-10-07 11:12:48,693 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_main_exported_4 [2019-10-07 11:12:48,693 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_main_exported_5 [2019-10-07 11:12:48,694 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2019-10-07 11:12:48,694 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer_pending_11 [2019-10-07 11:12:48,694 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2019-10-07 11:12:48,694 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_clear_bit [2019-10-07 11:12:48,694 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2019-10-07 11:12:48,694 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2019-10-07 11:12:48,694 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec_and_test [2019-10-07 11:12:48,695 INFO L138 BoogieDeclarations]: Found implementation of procedure put_task_struct [2019-10-07 11:12:48,695 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_get_queue_mapping [2019-10-07 11:12:48,695 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_complete [2019-10-07 11:12:48,695 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_enable [2019-10-07 11:12:48,695 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2019-10-07 11:12:48,695 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_all_queues [2019-10-07 11:12:48,695 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2019-10-07 11:12:48,695 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_broadcast_addr [2019-10-07 11:12:48,696 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_skb_zerocopy_prepare [2019-10-07 11:12:48,696 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_skb_zerocopy_complete [2019-10-07 11:12:48,696 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_schedulable [2019-10-07 11:12:48,696 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_tx_interrupt [2019-10-07 11:12:48,696 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_poll [2019-10-07 11:12:48,696 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_rx_interrupt [2019-10-07 11:12:48,696 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_interrupt [2019-10-07 11:12:48,697 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_queue_stopped [2019-10-07 11:12:48,697 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_wake_queue [2019-10-07 11:12:48,697 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_start_xmit [2019-10-07 11:12:48,697 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_get_stats [2019-10-07 11:12:48,697 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_up [2019-10-07 11:12:48,697 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_down [2019-10-07 11:12:48,697 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_open [2019-10-07 11:12:48,697 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_close [2019-10-07 11:12:48,698 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_change_mtu [2019-10-07 11:12:48,698 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_fix_features [2019-10-07 11:12:48,698 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_get_sset_count [2019-10-07 11:12:48,698 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_get_ethtool_stats [2019-10-07 11:12:48,698 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_get_strings [2019-10-07 11:12:48,698 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_alloc [2019-10-07 11:12:48,698 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_init_queue [2019-10-07 11:12:48,699 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_carrier_on [2019-10-07 11:12:48,699 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_connect [2019-10-07 11:12:48,699 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_carrier_off [2019-10-07 11:12:48,699 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_disconnect [2019-10-07 11:12:48,699 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_deinit_queue [2019-10-07 11:12:48,699 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_free [2019-10-07 11:12:48,699 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_1 [2019-10-07 11:12:48,699 INFO L138 BoogieDeclarations]: Found implementation of procedure choose_timer_1 [2019-10-07 11:12:48,700 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_1 [2019-10-07 11:12:48,700 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_ethtool_ops_3 [2019-10-07 11:12:48,700 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_net_device_ops_2 [2019-10-07 11:12:48,700 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_1 [2019-10-07 11:12:48,700 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_main_exported_3 [2019-10-07 11:12:48,700 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_main_exported_2 [2019-10-07 11:12:48,700 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2019-10-07 11:12:48,701 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync_17 [2019-10-07 11:12:48,701 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_netdev_18 [2019-10-07 11:12:48,701 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev_19 [2019-10-07 11:12:48,701 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___module_get_20 [2019-10-07 11:12:48,701 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put_21 [2019-10-07 11:12:48,701 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev_22 [2019-10-07 11:12:48,701 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev_23 [2019-10-07 11:12:48,702 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put_24 [2019-10-07 11:12:48,702 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2019-10-07 11:12:48,702 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2019-10-07 11:12:48,702 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2019-10-07 11:12:48,702 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2019-10-07 11:12:48,702 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2019-10-07 11:12:48,702 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_get [2019-10-07 11:12:48,702 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_try_module_get [2019-10-07 11:12:48,703 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put [2019-10-07 11:12:48,703 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put_and_exit [2019-10-07 11:12:48,703 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_refcount [2019-10-07 11:12:48,703 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-10-07 11:12:48,703 INFO L138 BoogieDeclarations]: Found implementation of procedure ___might_sleep [2019-10-07 11:12:48,703 INFO L138 BoogieDeclarations]: Found implementation of procedure ___ratelimit [2019-10-07 11:12:48,703 INFO L138 BoogieDeclarations]: Found implementation of procedure __alloc_skb [2019-10-07 11:12:48,704 INFO L138 BoogieDeclarations]: Found implementation of procedure __bitmap_weight [2019-10-07 11:12:48,704 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_netdev_dbg [2019-10-07 11:12:48,704 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_pr_debug [2019-10-07 11:12:48,704 INFO L138 BoogieDeclarations]: Found implementation of procedure __get_page_tail [2019-10-07 11:12:48,704 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2019-10-07 11:12:48,704 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_sleep [2019-10-07 11:12:48,704 INFO L138 BoogieDeclarations]: Found implementation of procedure __msecs_to_jiffies [2019-10-07 11:12:48,705 INFO L138 BoogieDeclarations]: Found implementation of procedure __napi_schedule [2019-10-07 11:12:48,705 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2019-10-07 11:12:48,705 INFO L138 BoogieDeclarations]: Found implementation of procedure __put_task_struct [2019-10-07 11:12:48,705 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2019-10-07 11:12:48,705 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_flow_dissect [2019-10-07 11:12:48,705 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2019-10-07 11:12:48,705 INFO L138 BoogieDeclarations]: Found implementation of procedure __xenbus_register_backend [2019-10-07 11:12:48,706 INFO L138 BoogieDeclarations]: Found implementation of procedure _cond_resched [2019-10-07 11:12:48,706 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock [2019-10-07 11:12:48,706 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irq [2019-10-07 11:12:48,706 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2019-10-07 11:12:48,706 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock [2019-10-07 11:12:48,706 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irq [2019-10-07 11:12:48,706 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irqrestore [2019-10-07 11:12:48,707 INFO L138 BoogieDeclarations]: Found implementation of procedure add_uevent_var [2019-10-07 11:12:48,707 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_netdev_mqs [2019-10-07 11:12:48,707 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_pages_current [2019-10-07 11:12:48,707 INFO L138 BoogieDeclarations]: Found implementation of procedure bind_interdomain_evtchn_to_irqhandler [2019-10-07 11:12:48,707 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2019-10-07 11:12:48,707 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_create_dir [2019-10-07 11:12:48,707 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_create_file [2019-10-07 11:12:48,708 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_remove_recursive [2019-10-07 11:12:48,708 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2019-10-07 11:12:48,708 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_mtu [2019-10-07 11:12:48,708 INFO L138 BoogieDeclarations]: Found implementation of procedure device_unregister [2019-10-07 11:12:48,708 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_irq [2019-10-07 11:12:48,708 INFO L138 BoogieDeclarations]: Found implementation of procedure dump_page [2019-10-07 11:12:48,708 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_irq [2019-10-07 11:12:48,709 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_mac_addr [2019-10-07 11:12:48,709 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_type_trans [2019-10-07 11:12:48,709 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2019-10-07 11:12:48,709 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_op_get_link [2019-10-07 11:12:48,709 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2019-10-07 11:12:48,709 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2019-10-07 11:12:48,709 INFO L138 BoogieDeclarations]: Found implementation of procedure get_phys_to_machine [2019-10-07 11:12:48,709 INFO L138 BoogieDeclarations]: Found implementation of procedure gnttab_alloc_pages [2019-10-07 11:12:48,709 INFO L138 BoogieDeclarations]: Found implementation of procedure gnttab_batch_copy [2019-10-07 11:12:48,710 INFO L138 BoogieDeclarations]: Found implementation of procedure gnttab_free_pages [2019-10-07 11:12:48,710 INFO L138 BoogieDeclarations]: Found implementation of procedure gnttab_map_refs [2019-10-07 11:12:48,710 INFO L138 BoogieDeclarations]: Found implementation of procedure gnttab_unmap_refs [2019-10-07 11:12:48,710 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2019-10-07 11:12:48,710 INFO L138 BoogieDeclarations]: Found implementation of procedure kobject_uevent [2019-10-07 11:12:48,710 INFO L138 BoogieDeclarations]: Found implementation of procedure kthread_create_on_node [2019-10-07 11:12:48,711 INFO L138 BoogieDeclarations]: Found implementation of procedure kthread_should_stop [2019-10-07 11:12:48,711 INFO L138 BoogieDeclarations]: Found implementation of procedure kthread_stop [2019-10-07 11:12:48,711 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-10-07 11:12:48,711 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ndo_init_2 [2019-10-07 11:12:48,711 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ndo_uninit_2 [2019-10-07 11:12:48,711 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2019-10-07 11:12:48,711 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer_pending [2019-10-07 11:12:48,712 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_disable [2019-10-07 11:12:48,712 INFO L138 BoogieDeclarations]: Found implementation of procedure net_ratelimit [2019-10-07 11:12:48,712 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_err [2019-10-07 11:12:48,712 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_info [2019-10-07 11:12:48,712 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_update_features [2019-10-07 11:12:48,712 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_warn [2019-10-07 11:12:48,712 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2019-10-07 11:12:48,713 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2019-10-07 11:12:48,713 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_napi_add [2019-10-07 11:12:48,713 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_napi_del [2019-10-07 11:12:48,713 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_receive_skb_sk [2019-10-07 11:12:48,713 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_set_real_num_rx_queues [2019-10-07 11:12:48,713 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_set_real_num_tx_queues [2019-10-07 11:12:48,713 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_all_queues [2019-10-07 11:12:48,714 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_wake_queue [2019-10-07 11:12:48,714 INFO L138 BoogieDeclarations]: Found implementation of procedure notify_remote_via_irq [2019-10-07 11:12:48,714 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait [2019-10-07 11:12:48,714 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait_event [2019-10-07 11:12:48,714 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2019-10-07 11:12:48,714 INFO L138 BoogieDeclarations]: Found implementation of procedure put_page [2019-10-07 11:12:48,714 INFO L138 BoogieDeclarations]: Found implementation of procedure register_netdev [2019-10-07 11:12:48,715 INFO L138 BoogieDeclarations]: Found implementation of procedure register_xenbus_watch [2019-10-07 11:12:48,715 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_lock [2019-10-07 11:12:48,715 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_unlock [2019-10-07 11:12:48,715 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2019-10-07 11:12:48,715 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout [2019-10-07 11:12:48,715 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_lseek [2019-10-07 11:12:48,715 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_printf [2019-10-07 11:12:48,715 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_read [2019-10-07 11:12:48,716 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_strtoul [2019-10-07 11:12:48,716 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_write_to_buffer [2019-10-07 11:12:48,716 INFO L138 BoogieDeclarations]: Found implementation of procedure single_open [2019-10-07 11:12:48,716 INFO L138 BoogieDeclarations]: Found implementation of procedure single_release [2019-10-07 11:12:48,716 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_checksum_setup [2019-10-07 11:12:48,716 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_copy_bits [2019-10-07 11:12:48,716 INFO L138 BoogieDeclarations]: Found implementation of procedure unbind_from_irqhandler [2019-10-07 11:12:48,716 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2019-10-07 11:12:48,717 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_xenbus_watch [2019-10-07 11:12:48,717 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2019-10-07 11:12:48,717 INFO L138 BoogieDeclarations]: Found implementation of procedure vzalloc [2019-10-07 11:12:48,717 INFO L138 BoogieDeclarations]: Found implementation of procedure wake_up_process [2019-10-07 11:12:48,717 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_dev_fatal [2019-10-07 11:12:48,717 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_dev_is_online [2019-10-07 11:12:48,717 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_gather [2019-10-07 11:12:48,718 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_map_ring_valloc [2019-10-07 11:12:48,718 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_printf [2019-10-07 11:12:48,718 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_read [2019-10-07 11:12:48,718 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_rm [2019-10-07 11:12:48,718 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_scanf [2019-10-07 11:12:48,718 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_strstate [2019-10-07 11:12:48,718 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_switch_state [2019-10-07 11:12:48,718 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_transaction_end [2019-10-07 11:12:48,719 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_transaction_start [2019-10-07 11:12:48,719 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_unmap_ring_vfree [2019-10-07 11:12:48,719 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_watch_pathfmt [2019-10-07 11:12:48,719 INFO L138 BoogieDeclarations]: Found implementation of procedure autoremove_wake_function [2019-10-07 11:12:48,719 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-10-07 11:12:48,719 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-10-07 11:12:48,720 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-10-07 11:12:48,720 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-10-07 11:12:48,720 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-10-07 11:12:48,720 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2019-10-07 11:12:48,720 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-07 11:12:48,720 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2019-10-07 11:12:48,721 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2019-10-07 11:12:48,721 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2019-10-07 11:12:48,721 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2019-10-07 11:12:48,721 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-07 11:12:48,721 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2019-10-07 11:12:48,721 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_netdev_dbg [2019-10-07 11:12:48,721 INFO L130 BoogieDeclarations]: Found specification of procedure ___might_sleep [2019-10-07 11:12:48,722 INFO L130 BoogieDeclarations]: Found specification of procedure __might_sleep [2019-10-07 11:12:48,722 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2019-10-07 11:12:48,722 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2019-10-07 11:12:48,722 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2019-10-07 11:12:48,722 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-07 11:12:48,722 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2019-10-07 11:12:48,722 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2019-10-07 11:12:48,723 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2019-10-07 11:12:48,723 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-10-07 11:12:48,723 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-10-07 11:12:48,723 INFO L130 BoogieDeclarations]: Found specification of procedure __bitmap_weight [2019-10-07 11:12:48,723 INFO L130 BoogieDeclarations]: Found specification of procedure bitmap_weight [2019-10-07 11:12:48,723 INFO L130 BoogieDeclarations]: Found specification of procedure cpumask_weight [2019-10-07 11:12:48,723 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2019-10-07 11:12:48,724 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR_OR_NULL [2019-10-07 11:12:48,724 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2019-10-07 11:12:48,724 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2019-10-07 11:12:48,724 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2019-10-07 11:12:48,724 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock [2019-10-07 11:12:48,724 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irq [2019-10-07 11:12:48,724 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2019-10-07 11:12:48,724 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock [2019-10-07 11:12:48,725 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irq [2019-10-07 11:12:48,725 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore [2019-10-07 11:12:48,725 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2019-10-07 11:12:48,725 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2019-10-07 11:12:48,725 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2019-10-07 11:12:48,725 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2019-10-07 11:12:48,725 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2019-10-07 11:12:48,725 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2019-10-07 11:12:48,726 INFO L130 BoogieDeclarations]: Found specification of procedure dump_page [2019-10-07 11:12:48,726 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2019-10-07 11:12:48,726 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait [2019-10-07 11:12:48,726 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait_event [2019-10-07 11:12:48,726 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2019-10-07 11:12:48,726 INFO L130 BoogieDeclarations]: Found specification of procedure autoremove_wake_function [2019-10-07 11:12:48,726 INFO L130 BoogieDeclarations]: Found specification of procedure get_jiffies_64 [2019-10-07 11:12:48,727 INFO L130 BoogieDeclarations]: Found specification of procedure __msecs_to_jiffies [2019-10-07 11:12:48,727 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2019-10-07 11:12:48,727 INFO L130 BoogieDeclarations]: Found specification of procedure timer_pending [2019-10-07 11:12:48,727 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-07 11:12:48,727 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2019-10-07 11:12:48,727 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer_5 [2019-10-07 11:12:48,727 INFO L130 BoogieDeclarations]: Found specification of procedure xen_feature [2019-10-07 11:12:48,727 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_pages_current [2019-10-07 11:12:48,728 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_pages [2019-10-07 11:12:48,728 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout [2019-10-07 11:12:48,728 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2019-10-07 11:12:48,728 INFO L130 BoogieDeclarations]: Found specification of procedure _cond_resched [2019-10-07 11:12:48,728 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-07 11:12:48,728 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-10-07 11:12:48,728 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-07 11:12:48,729 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-10-07 11:12:48,729 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-10-07 11:12:48,729 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-10-07 11:12:48,729 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-10-07 11:12:48,729 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-07 11:12:48,729 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-10-07 11:12:48,729 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-10-07 11:12:48,729 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2019-10-07 11:12:48,730 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2019-10-07 11:12:48,730 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-10-07 11:12:48,730 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2019-10-07 11:12:48,730 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ptr [2019-10-07 11:12:48,730 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2019-10-07 11:12:48,730 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2019-10-07 11:12:48,730 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_xenbus_driver_4 [2019-10-07 11:12:48,730 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_1 [2019-10-07 11:12:48,731 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_file_operations_5 [2019-10-07 11:12:48,731 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_ethtool_ops_3 [2019-10-07 11:12:48,731 INFO L130 BoogieDeclarations]: Found specification of procedure net_ratelimit [2019-10-07 11:12:48,731 INFO L130 BoogieDeclarations]: Found specification of procedure PageForeign [2019-10-07 11:12:48,731 INFO L130 BoogieDeclarations]: Found specification of procedure PageHead [2019-10-07 11:12:48,731 INFO L130 BoogieDeclarations]: Found specification of procedure PageTail [2019-10-07 11:12:48,731 INFO L130 BoogieDeclarations]: Found specification of procedure PageCompound [2019-10-07 11:12:48,731 INFO L130 BoogieDeclarations]: Found specification of procedure compound_head_by_tail [2019-10-07 11:12:48,732 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-07 11:12:48,732 INFO L130 BoogieDeclarations]: Found specification of procedure compound_head [2019-10-07 11:12:48,732 INFO L130 BoogieDeclarations]: Found specification of procedure __get_page_tail [2019-10-07 11:12:48,732 INFO L130 BoogieDeclarations]: Found specification of procedure get_page [2019-10-07 11:12:48,732 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-07 11:12:48,732 INFO L130 BoogieDeclarations]: Found specification of procedure put_page [2019-10-07 11:12:48,732 INFO L130 BoogieDeclarations]: Found specification of procedure compound_order [2019-10-07 11:12:48,732 INFO L130 BoogieDeclarations]: Found specification of procedure lowmem_page_address [2019-10-07 11:12:48,733 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_flow_dissect [2019-10-07 11:12:48,733 INFO L130 BoogieDeclarations]: Found specification of procedure skb_flow_dissect_flow_keys [2019-10-07 11:12:48,733 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_size [2019-10-07 11:12:48,733 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_size_set [2019-10-07 11:12:48,733 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2019-10-07 11:12:48,733 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2019-10-07 11:12:48,733 INFO L130 BoogieDeclarations]: Found specification of procedure __alloc_skb [2019-10-07 11:12:48,733 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_skb [2019-10-07 11:12:48,734 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2019-10-07 11:12:48,734 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_empty [2019-10-07 11:12:48,734 INFO L130 BoogieDeclarations]: Found specification of procedure skb_peek [2019-10-07 11:12:48,734 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_len [2019-10-07 11:12:48,734 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_queue_head_init [2019-10-07 11:12:48,734 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_head_init [2019-10-07 11:12:48,734 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-07 11:12:48,734 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_insert [2019-10-07 11:12:48,735 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_queue_before [2019-10-07 11:12:48,735 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_queue_tail [2019-10-07 11:12:48,735 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_unlink [2019-10-07 11:12:48,735 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_dequeue [2019-10-07 11:12:48,735 INFO L130 BoogieDeclarations]: Found specification of procedure skb_is_nonlinear [2019-10-07 11:12:48,735 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headlen [2019-10-07 11:12:48,735 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_fill_page_desc [2019-10-07 11:12:48,735 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tail_pointer [2019-10-07 11:12:48,736 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_put [2019-10-07 11:12:48,736 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2019-10-07 11:12:48,736 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_header_was_set [2019-10-07 11:12:48,736 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_header [2019-10-07 11:12:48,736 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reset_transport_header [2019-10-07 11:12:48,736 INFO L130 BoogieDeclarations]: Found specification of procedure skb_set_transport_header [2019-10-07 11:12:48,736 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reset_network_header [2019-10-07 11:12:48,736 INFO L130 BoogieDeclarations]: Found specification of procedure skb_mac_header [2019-10-07 11:12:48,737 INFO L130 BoogieDeclarations]: Found specification of procedure skb_probe_transport_header [2019-10-07 11:12:48,737 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_page [2019-10-07 11:12:48,737 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_frag_unref [2019-10-07 11:12:48,737 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_unref [2019-10-07 11:12:48,737 INFO L130 BoogieDeclarations]: Found specification of procedure skb_has_frag_list [2019-10-07 11:12:48,737 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_list_init [2019-10-07 11:12:48,737 INFO L130 BoogieDeclarations]: Found specification of procedure skb_copy_bits [2019-10-07 11:12:48,738 INFO L130 BoogieDeclarations]: Found specification of procedure skb_is_gso [2019-10-07 11:12:48,738 INFO L130 BoogieDeclarations]: Found specification of procedure skb_checksum_setup [2019-10-07 11:12:48,738 INFO L130 BoogieDeclarations]: Found specification of procedure __napi_schedule [2019-10-07 11:12:48,738 INFO L130 BoogieDeclarations]: Found specification of procedure napi_disable_pending [2019-10-07 11:12:48,738 INFO L130 BoogieDeclarations]: Found specification of procedure napi_schedule_prep [2019-10-07 11:12:48,738 INFO L130 BoogieDeclarations]: Found specification of procedure napi_schedule [2019-10-07 11:12:48,738 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2019-10-07 11:12:48,739 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2019-10-07 11:12:48,739 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_wake_queue [2019-10-07 11:12:48,739 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2019-10-07 11:12:48,739 INFO L130 BoogieDeclarations]: Found specification of procedure netif_receive_skb_sk [2019-10-07 11:12:48,739 INFO L130 BoogieDeclarations]: Found specification of procedure netif_receive_skb [2019-10-07 11:12:48,739 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2019-10-07 11:12:48,739 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2019-10-07 11:12:48,740 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_err [2019-10-07 11:12:48,740 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_info [2019-10-07 11:12:48,740 INFO L130 BoogieDeclarations]: Found specification of procedure eth_type_trans [2019-10-07 11:12:48,740 INFO L130 BoogieDeclarations]: Found specification of procedure gnttab_set_map_op [2019-10-07 11:12:48,740 INFO L130 BoogieDeclarations]: Found specification of procedure gnttab_set_unmap_op [2019-10-07 11:12:48,740 INFO L130 BoogieDeclarations]: Found specification of procedure gnttab_map_refs [2019-10-07 11:12:48,740 INFO L130 BoogieDeclarations]: Found specification of procedure gnttab_unmap_refs [2019-10-07 11:12:48,740 INFO L130 BoogieDeclarations]: Found specification of procedure gnttab_batch_copy [2019-10-07 11:12:48,741 INFO L130 BoogieDeclarations]: Found specification of procedure xen_page_foreign [2019-10-07 11:12:48,741 INFO L130 BoogieDeclarations]: Found specification of procedure to_xenbus_device [2019-10-07 11:12:48,741 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_map_ring_valloc [2019-10-07 11:12:48,741 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_unmap_ring_vfree [2019-10-07 11:12:48,741 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_create_dir [2019-10-07 11:12:48,741 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_remove_recursive [2019-10-07 11:12:48,742 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_to_xenbus_device [2019-10-07 11:12:48,742 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_tx_credit_callback [2019-10-07 11:12:48,742 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_xenbus_init [2019-10-07 11:12:48,742 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_xenbus_fini [2019-10-07 11:12:48,742 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_unmap_frontend_rings [2019-10-07 11:12:48,742 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_map_frontend_rings [2019-10-07 11:12:48,742 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_napi_schedule_or_enable_events [2019-10-07 11:12:48,742 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_carrier_off [2019-10-07 11:12:48,742 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_tx_action [2019-10-07 11:12:48,743 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_kthread_guest_rx [2019-10-07 11:12:48,743 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_kick_thread [2019-10-07 11:12:48,743 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_dealloc_kthread [2019-10-07 11:12:48,743 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_rx_queue_tail [2019-10-07 11:12:48,743 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_rx_ring_slots_available [2019-10-07 11:12:48,743 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_zerocopy_callback [2019-10-07 11:12:48,743 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_idx_unmap [2019-10-07 11:12:48,743 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_skb_zerocopy_prepare [2019-10-07 11:12:48,744 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_skb_zerocopy_complete [2019-10-07 11:12:48,744 INFO L130 BoogieDeclarations]: Found specification of procedure kthread_should_stop [2019-10-07 11:12:48,744 INFO L130 BoogieDeclarations]: Found specification of procedure tcp_hdr [2019-10-07 11:12:48,744 INFO L130 BoogieDeclarations]: Found specification of procedure tcp_hdrlen [2019-10-07 11:12:48,744 INFO L130 BoogieDeclarations]: Found specification of procedure notify_remote_via_irq [2019-10-07 11:12:48,744 INFO L130 BoogieDeclarations]: Found specification of procedure get_phys_to_machine [2019-10-07 11:12:48,744 INFO L130 BoogieDeclarations]: Found specification of procedure __pfn_to_mfn [2019-10-07 11:12:48,744 INFO L130 BoogieDeclarations]: Found specification of procedure pfn_to_mfn [2019-10-07 11:12:48,745 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_idx_release [2019-10-07 11:12:48,745 INFO L130 BoogieDeclarations]: Found specification of procedure make_tx_response [2019-10-07 11:12:48,745 INFO L130 BoogieDeclarations]: Found specification of procedure push_tx_responses [2019-10-07 11:12:48,745 INFO L130 BoogieDeclarations]: Found specification of procedure tx_work_todo [2019-10-07 11:12:48,745 INFO L130 BoogieDeclarations]: Found specification of procedure make_rx_response [2019-10-07 11:12:48,745 INFO L130 BoogieDeclarations]: Found specification of procedure idx_to_pfn [2019-10-07 11:12:48,745 INFO L130 BoogieDeclarations]: Found specification of procedure idx_to_kaddr [2019-10-07 11:12:48,745 INFO L130 BoogieDeclarations]: Found specification of procedure ubuf_to_queue [2019-10-07 11:12:48,746 INFO L130 BoogieDeclarations]: Found specification of procedure frag_get_pending_idx [2019-10-07 11:12:48,746 INFO L130 BoogieDeclarations]: Found specification of procedure frag_set_pending_idx [2019-10-07 11:12:48,746 INFO L130 BoogieDeclarations]: Found specification of procedure pending_index [2019-10-07 11:12:48,746 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_rx_dequeue [2019-10-07 11:12:48,746 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_rx_queue_maybe_wake [2019-10-07 11:12:48,746 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_rx_queue_purge [2019-10-07 11:12:48,746 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_rx_queue_drop_expired [2019-10-07 11:12:48,747 INFO L130 BoogieDeclarations]: Found specification of procedure get_next_rx_buffer [2019-10-07 11:12:48,747 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_gop_frag_copy [2019-10-07 11:12:48,747 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_gop_skb [2019-10-07 11:12:48,747 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_check_gop [2019-10-07 11:12:48,747 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_add_frag_responses [2019-10-07 11:12:48,747 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_rx_action [2019-10-07 11:12:48,747 INFO L130 BoogieDeclarations]: Found specification of procedure tx_add_credit [2019-10-07 11:12:48,747 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_tx_err [2019-10-07 11:12:48,748 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_fatal_tx_err [2019-10-07 11:12:48,748 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_count_requests [2019-10-07 11:12:48,748 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-10-07 11:12:48,748 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_tx_create_map_op [2019-10-07 11:12:48,748 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_alloc_skb [2019-10-07 11:12:48,748 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_get_requests [2019-10-07 11:12:48,748 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_grant_handle_set [2019-10-07 11:12:48,748 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_grant_handle_reset [2019-10-07 11:12:48,749 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_tx_check_gop [2019-10-07 11:12:48,749 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_fill_frags [2019-10-07 11:12:48,749 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_get_extras [2019-10-07 11:12:48,749 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_set_skb_gso [2019-10-07 11:12:48,749 INFO L130 BoogieDeclarations]: Found specification of procedure checksum_setup [2019-10-07 11:12:48,749 INFO L130 BoogieDeclarations]: Found specification of procedure tx_credit_exceeded [2019-10-07 11:12:48,749 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_tx_build_gops [2019-10-07 11:12:48,749 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_handle_frag_list [2019-10-07 11:12:48,750 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~bool~0~TO~VOID [2019-10-07 11:12:48,750 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_tx_submit [2019-10-07 11:12:48,750 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_tx_dealloc_action [2019-10-07 11:12:48,750 INFO L130 BoogieDeclarations]: Found specification of procedure tx_dealloc_work_todo [2019-10-07 11:12:48,750 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_queue_carrier_off [2019-10-07 11:12:48,750 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_queue_carrier_on [2019-10-07 11:12:48,750 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_rx_queue_stalled [2019-10-07 11:12:48,751 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_rx_queue_ready [2019-10-07 11:12:48,751 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_have_rx_work [2019-10-07 11:12:48,751 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_rx_queue_timeout [2019-10-07 11:12:48,751 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_wait_for_rx_work [2019-10-07 11:12:48,751 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_dealloc_kthread_should_stop [2019-10-07 11:12:48,751 INFO L130 BoogieDeclarations]: Found specification of procedure netback_init [2019-10-07 11:12:48,751 INFO L130 BoogieDeclarations]: Found specification of procedure netback_fini [2019-10-07 11:12:48,751 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-10-07 11:12:48,752 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-10-07 11:12:48,752 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_main_exported_4 [2019-10-07 11:12:48,752 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_main_exported_5 [2019-10-07 11:12:48,752 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_main_exported_3 [2019-10-07 11:12:48,752 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_main_exported_2 [2019-10-07 11:12:48,752 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-07 11:12:48,752 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_pr_debug [2019-10-07 11:12:48,752 INFO L130 BoogieDeclarations]: Found specification of procedure simple_strtoul [2019-10-07 11:12:48,753 INFO L130 BoogieDeclarations]: Found specification of procedure snprintf [2019-10-07 11:12:48,753 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2019-10-07 11:12:48,753 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2019-10-07 11:12:48,753 INFO L130 BoogieDeclarations]: Found specification of procedure strlen [2019-10-07 11:12:48,753 INFO L130 BoogieDeclarations]: Found specification of procedure strcpy [2019-10-07 11:12:48,753 INFO L130 BoogieDeclarations]: Found specification of procedure strncmp [2019-10-07 11:12:48,753 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2019-10-07 11:12:48,753 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer_pending [2019-10-07 11:12:48,753 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer_pending_11 [2019-10-07 11:12:48,754 INFO L130 BoogieDeclarations]: Found specification of procedure kobject_uevent [2019-10-07 11:12:48,754 INFO L130 BoogieDeclarations]: Found specification of procedure add_uevent_var [2019-10-07 11:12:48,754 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-10-07 11:12:48,754 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2019-10-07 11:12:48,754 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2019-10-07 11:12:48,754 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2019-10-07 11:12:48,754 INFO L130 BoogieDeclarations]: Found specification of procedure seq_read [2019-10-07 11:12:48,754 INFO L130 BoogieDeclarations]: Found specification of procedure seq_lseek [2019-10-07 11:12:48,755 INFO L130 BoogieDeclarations]: Found specification of procedure seq_printf [2019-10-07 11:12:48,755 INFO L130 BoogieDeclarations]: Found specification of procedure single_open [2019-10-07 11:12:48,755 INFO L130 BoogieDeclarations]: Found specification of procedure single_release [2019-10-07 11:12:48,755 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2019-10-07 11:12:48,755 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2019-10-07 11:12:48,755 INFO L130 BoogieDeclarations]: Found specification of procedure device_unregister [2019-10-07 11:12:48,755 INFO L130 BoogieDeclarations]: Found specification of procedure simple_write_to_buffer [2019-10-07 11:12:48,755 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_wake_all_queues [2019-10-07 11:12:48,755 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_queue_stopped [2019-10-07 11:12:48,756 INFO L130 BoogieDeclarations]: Found specification of procedure netif_set_real_num_tx_queues [2019-10-07 11:12:48,756 INFO L130 BoogieDeclarations]: Found specification of procedure netif_set_real_num_rx_queues [2019-10-07 11:12:48,756 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_warn [2019-10-07 11:12:48,756 INFO L130 BoogieDeclarations]: Found specification of procedure __xenbus_register_backend [2019-10-07 11:12:48,756 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_read [2019-10-07 11:12:48,756 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_rm [2019-10-07 11:12:48,756 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_transaction_start [2019-10-07 11:12:48,756 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_transaction_end [2019-10-07 11:12:48,757 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_scanf [2019-10-07 11:12:48,757 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_printf [2019-10-07 11:12:48,757 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_gather [2019-10-07 11:12:48,757 INFO L130 BoogieDeclarations]: Found specification of procedure register_xenbus_watch [2019-10-07 11:12:48,757 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_xenbus_watch [2019-10-07 11:12:48,757 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_watch_pathfmt [2019-10-07 11:12:48,757 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_switch_state [2019-10-07 11:12:48,757 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_dev_fatal [2019-10-07 11:12:48,757 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_strstate [2019-10-07 11:12:48,758 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_dev_is_online [2019-10-07 11:12:48,758 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_create_file [2019-10-07 11:12:48,758 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_alloc [2019-10-07 11:12:48,758 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_init_queue [2019-10-07 11:12:48,758 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_deinit_queue [2019-10-07 11:12:48,758 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_connect [2019-10-07 11:12:48,758 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_disconnect [2019-10-07 11:12:48,758 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_free [2019-10-07 11:12:48,759 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_carrier_on [2019-10-07 11:12:48,759 INFO L130 BoogieDeclarations]: Found specification of procedure nr_pending_reqs [2019-10-07 11:12:48,759 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_interrupt [2019-10-07 11:12:48,759 INFO L130 BoogieDeclarations]: Found specification of procedure vzalloc [2019-10-07 11:12:48,759 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2019-10-07 11:12:48,759 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_lock [2019-10-07 11:12:48,759 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_unlock [2019-10-07 11:12:48,759 INFO L130 BoogieDeclarations]: Found specification of procedure connect_rings [2019-10-07 11:12:48,759 INFO L130 BoogieDeclarations]: Found specification of procedure connect [2019-10-07 11:12:48,760 INFO L130 BoogieDeclarations]: Found specification of procedure read_xenbus_vif_flags [2019-10-07 11:12:48,760 INFO L130 BoogieDeclarations]: Found specification of procedure backend_create_xenvif [2019-10-07 11:12:48,760 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_hotplug_status_watch [2019-10-07 11:12:48,760 INFO L130 BoogieDeclarations]: Found specification of procedure xen_unregister_watchers [2019-10-07 11:12:48,760 INFO L130 BoogieDeclarations]: Found specification of procedure set_backend_state [2019-10-07 11:12:48,760 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_read_io_ring [2019-10-07 11:12:48,760 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_write_io_ring [2019-10-07 11:12:48,760 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_dump_open [2019-10-07 11:12:48,761 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_debugfs_addif [2019-10-07 11:12:48,761 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_debugfs_delif [2019-10-07 11:12:48,761 INFO L130 BoogieDeclarations]: Found specification of procedure netback_remove [2019-10-07 11:12:48,761 INFO L130 BoogieDeclarations]: Found specification of procedure netback_probe [2019-10-07 11:12:48,761 INFO L130 BoogieDeclarations]: Found specification of procedure netback_uevent [2019-10-07 11:12:48,761 INFO L130 BoogieDeclarations]: Found specification of procedure backend_disconnect [2019-10-07 11:12:48,761 INFO L130 BoogieDeclarations]: Found specification of procedure backend_connect [2019-10-07 11:12:48,761 INFO L130 BoogieDeclarations]: Found specification of procedure backend_switch_state [2019-10-07 11:12:48,761 INFO L130 BoogieDeclarations]: Found specification of procedure frontend_changed [2019-10-07 11:12:48,762 INFO L130 BoogieDeclarations]: Found specification of procedure xen_net_read_rate [2019-10-07 11:12:48,762 INFO L130 BoogieDeclarations]: Found specification of procedure xen_net_read_mac [2019-10-07 11:12:48,762 INFO L130 BoogieDeclarations]: Found specification of procedure xen_net_rate_changed [2019-10-07 11:12:48,762 INFO L130 BoogieDeclarations]: Found specification of procedure xen_register_watchers [2019-10-07 11:12:48,762 INFO L130 BoogieDeclarations]: Found specification of procedure hotplug_status_changed [2019-10-07 11:12:48,762 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2019-10-07 11:12:48,762 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2019-10-07 11:12:48,762 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_clear_bit [2019-10-07 11:12:48,763 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2019-10-07 11:12:48,763 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2019-10-07 11:12:48,763 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2019-10-07 11:12:48,763 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2019-10-07 11:12:48,763 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec_and_test [2019-10-07 11:12:48,763 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2019-10-07 11:12:48,763 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2019-10-07 11:12:48,763 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync_17 [2019-10-07 11:12:48,763 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___module_get_20 [2019-10-07 11:12:48,764 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put_21 [2019-10-07 11:12:48,764 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put_24 [2019-10-07 11:12:48,764 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_get [2019-10-07 11:12:48,764 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put [2019-10-07 11:12:48,764 INFO L130 BoogieDeclarations]: Found specification of procedure __put_task_struct [2019-10-07 11:12:48,764 INFO L130 BoogieDeclarations]: Found specification of procedure put_task_struct [2019-10-07 11:12:48,764 INFO L130 BoogieDeclarations]: Found specification of procedure wake_up_process [2019-10-07 11:12:48,764 INFO L130 BoogieDeclarations]: Found specification of procedure choose_timer_1 [2019-10-07 11:12:48,764 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_1 [2019-10-07 11:12:48,765 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_net_device_ops_2 [2019-10-07 11:12:48,765 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_1 [2019-10-07 11:12:48,765 INFO L130 BoogieDeclarations]: Found specification of procedure disable_irq [2019-10-07 11:12:48,765 INFO L130 BoogieDeclarations]: Found specification of procedure enable_irq [2019-10-07 11:12:48,765 INFO L130 BoogieDeclarations]: Found specification of procedure ___ratelimit [2019-10-07 11:12:48,765 INFO L130 BoogieDeclarations]: Found specification of procedure skb_get_queue_mapping [2019-10-07 11:12:48,765 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_op_get_link [2019-10-07 11:12:48,765 INFO L130 BoogieDeclarations]: Found specification of procedure napi_complete [2019-10-07 11:12:48,766 INFO L130 BoogieDeclarations]: Found specification of procedure napi_disable [2019-10-07 11:12:48,766 INFO L130 BoogieDeclarations]: Found specification of procedure napi_enable [2019-10-07 11:12:48,766 INFO L130 BoogieDeclarations]: Found specification of procedure netif_napi_add [2019-10-07 11:12:48,766 INFO L130 BoogieDeclarations]: Found specification of procedure netif_napi_del [2019-10-07 11:12:48,766 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2019-10-07 11:12:48,766 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev_19 [2019-10-07 11:12:48,766 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev_23 [2019-10-07 11:12:48,766 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2019-10-07 11:12:48,767 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_all_queues [2019-10-07 11:12:48,767 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_all_queues [2019-10-07 11:12:48,767 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2019-10-07 11:12:48,767 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_mtu [2019-10-07 11:12:48,767 INFO L130 BoogieDeclarations]: Found specification of procedure ether_setup [2019-10-07 11:12:48,767 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_netdev_mqs [2019-10-07 11:12:48,767 INFO L130 BoogieDeclarations]: Found specification of procedure register_netdev [2019-10-07 11:12:48,767 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_netdev_18 [2019-10-07 11:12:48,767 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2019-10-07 11:12:48,768 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev_22 [2019-10-07 11:12:48,768 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_update_features [2019-10-07 11:12:48,768 INFO L130 BoogieDeclarations]: Found specification of procedure eth_mac_addr [2019-10-07 11:12:48,768 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2019-10-07 11:12:48,768 INFO L130 BoogieDeclarations]: Found specification of procedure eth_broadcast_addr [2019-10-07 11:12:48,768 INFO L130 BoogieDeclarations]: Found specification of procedure gnttab_alloc_pages [2019-10-07 11:12:48,768 INFO L130 BoogieDeclarations]: Found specification of procedure gnttab_free_pages [2019-10-07 11:12:48,768 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_schedulable [2019-10-07 11:12:48,768 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_queue_stopped [2019-10-07 11:12:48,769 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_wake_queue [2019-10-07 11:12:48,769 INFO L130 BoogieDeclarations]: Found specification of procedure kthread_create_on_node [2019-10-07 11:12:48,769 INFO L130 BoogieDeclarations]: Found specification of procedure kthread_stop [2019-10-07 11:12:48,769 INFO L130 BoogieDeclarations]: Found specification of procedure bind_interdomain_evtchn_to_irqhandler [2019-10-07 11:12:48,769 INFO L130 BoogieDeclarations]: Found specification of procedure unbind_from_irqhandler [2019-10-07 11:12:48,769 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_tx_interrupt [2019-10-07 11:12:48,769 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_poll [2019-10-07 11:12:48,770 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_rx_interrupt [2019-10-07 11:12:48,770 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_start_xmit [2019-10-07 11:12:48,770 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_get_stats [2019-10-07 11:12:48,770 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_up [2019-10-07 11:12:48,770 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_down [2019-10-07 11:12:48,770 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_open [2019-10-07 11:12:48,770 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_close [2019-10-07 11:12:48,770 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_change_mtu [2019-10-07 11:12:48,771 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_fix_features [2019-10-07 11:12:48,771 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_get_sset_count [2019-10-07 11:12:48,771 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_get_ethtool_stats [2019-10-07 11:12:48,771 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_get_strings [2019-10-07 11:12:48,771 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ndo_init_2 [2019-10-07 11:12:48,771 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ndo_uninit_2 [2019-10-07 11:12:48,771 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2019-10-07 11:12:48,771 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2019-10-07 11:12:48,771 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_try_module_get [2019-10-07 11:12:48,772 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put_and_exit [2019-10-07 11:12:48,772 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_refcount [2019-10-07 11:12:48,772 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-10-07 11:12:48,772 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-10-07 11:12:48,772 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ushort [2019-10-07 11:12:48,772 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2019-10-07 11:12:48,772 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2019-10-07 11:12:48,772 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-07 11:12:48,773 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-07 11:12:48,773 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-07 11:12:48,773 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-10-07 11:12:48,773 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2019-10-07 11:12:48,773 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-07 11:12:48,773 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-10-07 11:12:48,773 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-10-07 11:12:48,773 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2019-10-07 11:12:56,503 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2019-10-07 11:13:22,306 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_module_put_and_exitFINAL: assume true; [2019-10-07 11:13:55,235 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-07 11:13:55,235 INFO L284 CfgBuilder]: Removed 1 assume(true) statements. [2019-10-07 11:13:55,238 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 11:13:55 BoogieIcfgContainer [2019-10-07 11:13:55,238 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-07 11:13:55,240 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-07 11:13:55,240 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-07 11:13:55,244 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-07 11:13:55,244 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.10 11:12:41" (1/3) ... [2019-10-07 11:13:55,245 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@779ee34a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 11:13:55, skipping insertion in model container [2019-10-07 11:13:55,246 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 11:12:48" (2/3) ... [2019-10-07 11:13:55,246 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@779ee34a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 11:13:55, skipping insertion in model container [2019-10-07 11:13:55,246 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 11:13:55" (3/3) ... [2019-10-07 11:13:55,249 INFO L109 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-08_1a-drivers--net--xen-netback--xen-netback.ko-entry_point.cil.out.i [2019-10-07 11:13:55,261 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-07 11:13:55,275 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-07 11:13:55,289 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-07 11:13:55,332 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-07 11:13:55,332 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-07 11:13:55,332 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-07 11:13:55,332 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-07 11:13:55,332 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-07 11:13:55,333 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-07 11:13:55,333 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-07 11:13:55,333 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-07 11:13:55,406 INFO L276 IsEmpty]: Start isEmpty. Operand 2821 states. [2019-10-07 11:13:55,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2019-10-07 11:13:55,416 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 11:13:55,418 INFO L385 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 11:13:55,421 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 11:13:55,428 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 11:13:55,428 INFO L82 PathProgramCache]: Analyzing trace with hash 770126635, now seen corresponding path program 1 times [2019-10-07 11:13:55,439 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 11:13:55,440 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 11:13:55,440 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 11:13:55,440 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 11:13:55,440 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 11:13:56,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 11:13:56,733 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 11:13:56,734 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 11:13:56,734 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 11:13:56,735 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 11:13:56,740 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 11:13:56,756 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 11:13:56,757 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 11:13:56,760 INFO L87 Difference]: Start difference. First operand 2821 states. Second operand 3 states. [2019-10-07 11:13:57,153 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 11:13:57,154 INFO L93 Difference]: Finished difference Result 4306 states and 5585 transitions. [2019-10-07 11:13:57,154 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 11:13:57,156 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 29 [2019-10-07 11:13:57,156 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 11:13:57,213 INFO L225 Difference]: With dead ends: 4306 [2019-10-07 11:13:57,213 INFO L226 Difference]: Without dead ends: 2815 [2019-10-07 11:13:57,226 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 11:13:57,252 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2815 states. [2019-10-07 11:13:57,508 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2815 to 2807. [2019-10-07 11:13:57,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2807 states. [2019-10-07 11:13:57,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2807 states to 2807 states and 3584 transitions. [2019-10-07 11:13:57,534 INFO L78 Accepts]: Start accepts. Automaton has 2807 states and 3584 transitions. Word has length 29 [2019-10-07 11:13:57,534 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 11:13:57,534 INFO L462 AbstractCegarLoop]: Abstraction has 2807 states and 3584 transitions. [2019-10-07 11:13:57,534 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 11:13:57,535 INFO L276 IsEmpty]: Start isEmpty. Operand 2807 states and 3584 transitions. [2019-10-07 11:13:57,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2019-10-07 11:13:57,557 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 11:13:57,558 INFO L385 BasicCegarLoop]: trace histogram [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] [2019-10-07 11:13:57,558 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 11:13:57,558 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 11:13:57,558 INFO L82 PathProgramCache]: Analyzing trace with hash -656696565, now seen corresponding path program 1 times [2019-10-07 11:13:57,559 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 11:13:57,559 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 11:13:57,559 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 11:13:57,559 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 11:13:57,559 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 11:13:57,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 11:13:58,133 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-10-07 11:13:58,133 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 11:13:58,133 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 11:13:58,133 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 11:13:58,135 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 11:13:58,136 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 11:13:58,136 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 11:13:58,137 INFO L87 Difference]: Start difference. First operand 2807 states and 3584 transitions. Second operand 3 states. [2019-10-07 11:13:59,470 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 11:13:59,470 INFO L93 Difference]: Finished difference Result 6744 states and 8587 transitions. [2019-10-07 11:13:59,470 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 11:13:59,471 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 106 [2019-10-07 11:13:59,471 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 11:13:59,493 INFO L225 Difference]: With dead ends: 6744 [2019-10-07 11:13:59,494 INFO L226 Difference]: Without dead ends: 3946 [2019-10-07 11:13:59,506 INFO L606 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 [2019-10-07 11:13:59,513 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3946 states. [2019-10-07 11:13:59,646 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3946 to 3938. [2019-10-07 11:13:59,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3938 states. [2019-10-07 11:13:59,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3938 states to 3938 states and 5003 transitions. [2019-10-07 11:13:59,670 INFO L78 Accepts]: Start accepts. Automaton has 3938 states and 5003 transitions. Word has length 106 [2019-10-07 11:13:59,670 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 11:13:59,670 INFO L462 AbstractCegarLoop]: Abstraction has 3938 states and 5003 transitions. [2019-10-07 11:13:59,670 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 11:13:59,670 INFO L276 IsEmpty]: Start isEmpty. Operand 3938 states and 5003 transitions. [2019-10-07 11:13:59,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2019-10-07 11:13:59,677 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 11:13:59,678 INFO L385 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 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] [2019-10-07 11:13:59,678 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 11:13:59,678 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 11:13:59,678 INFO L82 PathProgramCache]: Analyzing trace with hash -174473487, now seen corresponding path program 1 times [2019-10-07 11:13:59,679 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 11:13:59,679 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 11:13:59,679 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 11:13:59,679 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 11:13:59,679 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 11:13:59,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 11:14:01,300 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2019-10-07 11:14:01,300 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 11:14:01,300 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 11:14:01,300 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-07 11:14:01,301 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-07 11:14:01,302 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-07 11:14:01,302 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-07 11:14:01,302 INFO L87 Difference]: Start difference. First operand 3938 states and 5003 transitions. Second operand 4 states. [2019-10-07 11:14:02,822 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 11:14:02,822 INFO L93 Difference]: Finished difference Result 10376 states and 13184 transitions. [2019-10-07 11:14:02,822 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-07 11:14:02,824 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 165 [2019-10-07 11:14:02,826 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 11:14:02,877 INFO L225 Difference]: With dead ends: 10376 [2019-10-07 11:14:02,877 INFO L226 Difference]: Without dead ends: 6447 [2019-10-07 11:14:02,893 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-10-07 11:14:02,903 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6447 states. [2019-10-07 11:14:03,146 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6447 to 6431. [2019-10-07 11:14:03,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6431 states. [2019-10-07 11:14:03,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6431 states to 6431 states and 8165 transitions. [2019-10-07 11:14:03,182 INFO L78 Accepts]: Start accepts. Automaton has 6431 states and 8165 transitions. Word has length 165 [2019-10-07 11:14:03,182 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 11:14:03,182 INFO L462 AbstractCegarLoop]: Abstraction has 6431 states and 8165 transitions. [2019-10-07 11:14:03,183 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-07 11:14:03,183 INFO L276 IsEmpty]: Start isEmpty. Operand 6431 states and 8165 transitions. [2019-10-07 11:14:03,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2019-10-07 11:14:03,195 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 11:14:03,195 INFO L385 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 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] [2019-10-07 11:14:03,196 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 11:14:03,196 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 11:14:03,196 INFO L82 PathProgramCache]: Analyzing trace with hash 1947057538, now seen corresponding path program 1 times [2019-10-07 11:14:03,196 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 11:14:03,196 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 11:14:03,197 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 11:14:03,197 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 11:14:03,197 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 11:14:03,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 11:14:03,930 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2019-10-07 11:14:03,930 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 11:14:03,931 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 11:14:03,931 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-07 11:14:03,931 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-07 11:14:03,932 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-07 11:14:03,932 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-07 11:14:03,932 INFO L87 Difference]: Start difference. First operand 6431 states and 8165 transitions. Second operand 5 states. [2019-10-07 11:14:07,623 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 11:14:07,623 INFO L93 Difference]: Finished difference Result 12888 states and 16364 transitions. [2019-10-07 11:14:07,624 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-07 11:14:07,624 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 196 [2019-10-07 11:14:07,624 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 11:14:07,662 INFO L225 Difference]: With dead ends: 12888 [2019-10-07 11:14:07,662 INFO L226 Difference]: Without dead ends: 6451 [2019-10-07 11:14:07,685 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-07 11:14:07,695 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6451 states. [2019-10-07 11:14:07,960 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6451 to 6440. [2019-10-07 11:14:07,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6440 states. [2019-10-07 11:14:07,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6440 states to 6440 states and 8171 transitions. [2019-10-07 11:14:07,993 INFO L78 Accepts]: Start accepts. Automaton has 6440 states and 8171 transitions. Word has length 196 [2019-10-07 11:14:07,994 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 11:14:07,994 INFO L462 AbstractCegarLoop]: Abstraction has 6440 states and 8171 transitions. [2019-10-07 11:14:07,994 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-07 11:14:07,994 INFO L276 IsEmpty]: Start isEmpty. Operand 6440 states and 8171 transitions. [2019-10-07 11:14:08,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2019-10-07 11:14:08,017 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 11:14:08,018 INFO L385 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 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] [2019-10-07 11:14:08,018 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 11:14:08,018 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 11:14:08,019 INFO L82 PathProgramCache]: Analyzing trace with hash 2052590355, now seen corresponding path program 1 times [2019-10-07 11:14:08,019 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 11:14:08,019 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 11:14:08,020 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 11:14:08,020 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 11:14:08,020 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 11:14:08,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 11:14:09,396 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2019-10-07 11:14:09,397 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 11:14:09,397 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 11:14:09,397 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-07 11:14:09,398 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-07 11:14:09,398 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-07 11:14:09,399 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-07 11:14:09,399 INFO L87 Difference]: Start difference. First operand 6440 states and 8171 transitions. Second operand 6 states. [2019-10-07 11:14:09,769 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 11:14:09,769 INFO L93 Difference]: Finished difference Result 12907 states and 16450 transitions. [2019-10-07 11:14:09,769 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-07 11:14:09,770 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 217 [2019-10-07 11:14:09,770 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 11:14:09,812 INFO L225 Difference]: With dead ends: 12907 [2019-10-07 11:14:09,812 INFO L226 Difference]: Without dead ends: 6476 [2019-10-07 11:14:09,836 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2019-10-07 11:14:09,847 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6476 states. [2019-10-07 11:14:10,085 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6476 to 6476. [2019-10-07 11:14:10,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6476 states. [2019-10-07 11:14:10,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6476 states to 6476 states and 8213 transitions. [2019-10-07 11:14:10,117 INFO L78 Accepts]: Start accepts. Automaton has 6476 states and 8213 transitions. Word has length 217 [2019-10-07 11:14:10,118 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 11:14:10,119 INFO L462 AbstractCegarLoop]: Abstraction has 6476 states and 8213 transitions. [2019-10-07 11:14:10,119 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-07 11:14:10,119 INFO L276 IsEmpty]: Start isEmpty. Operand 6476 states and 8213 transitions. [2019-10-07 11:14:10,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2019-10-07 11:14:10,133 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 11:14:10,133 INFO L385 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 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] [2019-10-07 11:14:10,134 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 11:14:10,134 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 11:14:10,134 INFO L82 PathProgramCache]: Analyzing trace with hash -1200771889, now seen corresponding path program 1 times [2019-10-07 11:14:10,135 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 11:14:10,135 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 11:14:10,135 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 11:14:10,135 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 11:14:10,135 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 11:14:11,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 11:14:11,436 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2019-10-07 11:14:11,436 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 11:14:11,436 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2019-10-07 11:14:11,437 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 11:14:14,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 11:14:14,449 INFO L256 TraceCheckSpWp]: Trace formula consists of 6421 conjuncts, 9 conjunts are in the unsatisfiable core [2019-10-07 11:14:14,475 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-07 11:14:14,626 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2019-10-07 11:14:14,627 INFO L322 TraceCheckSpWp]: Computing backward predicates... [2019-10-07 11:14:14,939 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2019-10-07 11:14:14,940 INFO L211 tionRefinementEngine]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2019-10-07 11:14:14,940 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [7] total 10 [2019-10-07 11:14:14,941 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-07 11:14:14,941 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-07 11:14:14,943 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2019-10-07 11:14:14,944 INFO L87 Difference]: Start difference. First operand 6476 states and 8213 transitions. Second operand 5 states. [2019-10-07 11:14:18,368 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 11:14:18,369 INFO L93 Difference]: Finished difference Result 12974 states and 16454 transitions. [2019-10-07 11:14:18,369 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-07 11:14:18,369 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 218 [2019-10-07 11:14:18,370 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 11:14:18,414 INFO L225 Difference]: With dead ends: 12974 [2019-10-07 11:14:18,414 INFO L226 Difference]: Without dead ends: 6492 [2019-10-07 11:14:18,438 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 442 GetRequests, 434 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2019-10-07 11:14:18,448 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6492 states. [2019-10-07 11:14:18,689 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6492 to 6472. [2019-10-07 11:14:18,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6472 states. [2019-10-07 11:14:18,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6472 states to 6472 states and 8201 transitions. [2019-10-07 11:14:18,726 INFO L78 Accepts]: Start accepts. Automaton has 6472 states and 8201 transitions. Word has length 218 [2019-10-07 11:14:18,726 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 11:14:18,727 INFO L462 AbstractCegarLoop]: Abstraction has 6472 states and 8201 transitions. [2019-10-07 11:14:18,727 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-07 11:14:18,727 INFO L276 IsEmpty]: Start isEmpty. Operand 6472 states and 8201 transitions. [2019-10-07 11:14:18,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2019-10-07 11:14:18,749 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 11:14:18,750 INFO L385 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 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, 1, 1, 1] [2019-10-07 11:14:18,963 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 11:14:18,964 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 11:14:18,964 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 11:14:18,965 INFO L82 PathProgramCache]: Analyzing trace with hash 255284929, now seen corresponding path program 1 times [2019-10-07 11:14:18,965 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 11:14:18,965 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 11:14:18,965 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 11:14:18,965 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 11:14:18,965 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 11:14:19,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 11:14:19,909 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2019-10-07 11:14:19,910 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 11:14:19,910 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 11:14:19,910 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-10-07 11:14:19,912 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-10-07 11:14:19,912 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-10-07 11:14:19,913 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2019-10-07 11:14:19,913 INFO L87 Difference]: Start difference. First operand 6472 states and 8201 transitions. Second operand 9 states. [2019-10-07 11:14:23,914 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 11:14:23,914 INFO L93 Difference]: Finished difference Result 13620 states and 17241 transitions. [2019-10-07 11:14:23,915 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2019-10-07 11:14:23,915 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 238 [2019-10-07 11:14:23,916 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 11:14:23,958 INFO L225 Difference]: With dead ends: 13620 [2019-10-07 11:14:23,959 INFO L226 Difference]: Without dead ends: 7157 [2019-10-07 11:14:23,980 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=46, Invalid=194, Unknown=0, NotChecked=0, Total=240 [2019-10-07 11:14:23,991 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7157 states. [2019-10-07 11:14:24,212 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7157 to 7107. [2019-10-07 11:14:24,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7107 states. [2019-10-07 11:14:24,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7107 states to 7107 states and 8961 transitions. [2019-10-07 11:14:24,237 INFO L78 Accepts]: Start accepts. Automaton has 7107 states and 8961 transitions. Word has length 238 [2019-10-07 11:14:24,237 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 11:14:24,238 INFO L462 AbstractCegarLoop]: Abstraction has 7107 states and 8961 transitions. [2019-10-07 11:14:24,238 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-10-07 11:14:24,238 INFO L276 IsEmpty]: Start isEmpty. Operand 7107 states and 8961 transitions. [2019-10-07 11:14:24,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 243 [2019-10-07 11:14:24,251 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 11:14:24,251 INFO L385 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 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, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 11:14:24,251 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 11:14:24,252 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 11:14:24,252 INFO L82 PathProgramCache]: Analyzing trace with hash -865058068, now seen corresponding path program 1 times [2019-10-07 11:14:24,252 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 11:14:24,252 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 11:14:24,252 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 11:14:24,253 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 11:14:24,253 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 11:14:24,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 11:14:25,397 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2019-10-07 11:14:25,398 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 11:14:25,398 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2019-10-07 11:14:25,398 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true