/usr/bin/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 --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=NARROWEST --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf -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 0.1.25-adbd35c [2020-10-13 21:35:05,937 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-13 21:35:05,939 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-13 21:35:05,983 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-13 21:35:05,983 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-13 21:35:05,993 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-13 21:35:05,994 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-13 21:35:05,997 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-13 21:35:06,000 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-13 21:35:06,003 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-13 21:35:06,004 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-13 21:35:06,006 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-13 21:35:06,006 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-13 21:35:06,011 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-13 21:35:06,012 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-13 21:35:06,013 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-13 21:35:06,013 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-13 21:35:06,014 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-13 21:35:06,015 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-13 21:35:06,017 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-13 21:35:06,019 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-13 21:35:06,020 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-13 21:35:06,021 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-13 21:35:06,022 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-13 21:35:06,028 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-13 21:35:06,028 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-13 21:35:06,028 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-13 21:35:06,032 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-13 21:35:06,034 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-13 21:35:06,035 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-13 21:35:06,035 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-13 21:35:06,036 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-13 21:35:06,037 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-13 21:35:06,038 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-13 21:35:06,039 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-13 21:35:06,039 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-13 21:35:06,040 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-13 21:35:06,040 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-13 21:35:06,040 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-13 21:35:06,041 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-13 21:35:06,042 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-13 21:35:06,043 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf [2020-10-13 21:35:06,086 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-13 21:35:06,087 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-13 21:35:06,089 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-13 21:35:06,089 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-13 21:35:06,089 INFO L138 SettingsManager]: * Use SBE=true [2020-10-13 21:35:06,090 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-13 21:35:06,090 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-13 21:35:06,090 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-13 21:35:06,090 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-13 21:35:06,090 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-13 21:35:06,091 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-13 21:35:06,092 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-13 21:35:06,092 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-13 21:35:06,092 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-13 21:35:06,092 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-13 21:35:06,093 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-13 21:35:06,093 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-13 21:35:06,093 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-13 21:35:06,093 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-13 21:35:06,093 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-13 21:35:06,094 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-13 21:35:06,094 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-13 21:35:06,094 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-13 21:35:06,094 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-13 21:35:06,094 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-13 21:35:06,094 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-13 21:35:06,095 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-13 21:35:06,095 INFO L138 SettingsManager]: * To the following directory=dump/ Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=true; [2020-10-13 21:35:06,369 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-13 21:35:06,386 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-13 21:35:06,392 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-13 21:35:06,394 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-13 21:35:06,394 INFO L275 PluginConnector]: CDTParser initialized [2020-10-13 21:35:06,395 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--net--xen-netback--xen-netback.ko-entry_point.cil.out.i [2020-10-13 21:35:06,466 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/110e4824e/5ebdb1aa200f4ab0b5aaab7e42bb6384/FLAG07d38bb58 [2020-10-13 21:35:07,398 INFO L306 CDTParser]: Found 1 translation units. [2020-10-13 21:35:07,399 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--net--xen-netback--xen-netback.ko-entry_point.cil.out.i [2020-10-13 21:35:07,464 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/110e4824e/5ebdb1aa200f4ab0b5aaab7e42bb6384/FLAG07d38bb58 [2020-10-13 21:35:07,789 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/110e4824e/5ebdb1aa200f4ab0b5aaab7e42bb6384 [2020-10-13 21:35:07,797 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-13 21:35:07,799 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-13 21:35:07,800 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-13 21:35:07,800 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-13 21:35:07,804 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-13 21:35:07,805 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 09:35:07" (1/1) ... [2020-10-13 21:35:07,808 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6a5fe62a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:35:07, skipping insertion in model container [2020-10-13 21:35:07,808 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 09:35:07" (1/1) ... [2020-10-13 21:35:07,815 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-13 21:35:08,032 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-13 21:35:12,380 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-13 21:35:12,426 INFO L203 MainTranslator]: Completed pre-run [2020-10-13 21:35:13,223 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-13 21:35:14,210 INFO L208 MainTranslator]: Completed translation [2020-10-13 21:35:14,211 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:35:14 WrapperNode [2020-10-13 21:35:14,211 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-13 21:35:14,212 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-13 21:35:14,212 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-13 21:35:14,212 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-13 21:35:14,226 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:35:14" (1/1) ... [2020-10-13 21:35:14,226 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:35:14" (1/1) ... [2020-10-13 21:35:14,342 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:35:14" (1/1) ... [2020-10-13 21:35:14,346 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:35:14" (1/1) ... [2020-10-13 21:35:14,521 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:35:14" (1/1) ... [2020-10-13 21:35:14,559 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:35:14" (1/1) ... [2020-10-13 21:35:14,615 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:35:14" (1/1) ... [2020-10-13 21:35:14,675 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-13 21:35:14,676 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-13 21:35:14,676 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-13 21:35:14,676 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-13 21:35:14,677 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:35:14" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/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 [2020-10-13 21:35:14,755 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-13 21:35:14,756 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-13 21:35:14,756 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~bool~0~TO~VOID [2020-10-13 21:35:14,756 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2020-10-13 21:35:14,756 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2020-10-13 21:35:14,757 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2020-10-13 21:35:14,757 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2020-10-13 21:35:14,757 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2020-10-13 21:35:14,757 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2020-10-13 21:35:14,757 INFO L138 BoogieDeclarations]: Found implementation of procedure bitmap_weight [2020-10-13 21:35:14,758 INFO L138 BoogieDeclarations]: Found implementation of procedure cpumask_weight [2020-10-13 21:35:14,758 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2020-10-13 21:35:14,758 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2020-10-13 21:35:14,758 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2020-10-13 21:35:14,758 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2020-10-13 21:35:14,759 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2020-10-13 21:35:14,759 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2020-10-13 21:35:14,759 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2020-10-13 21:35:14,759 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2020-10-13 21:35:14,759 INFO L138 BoogieDeclarations]: Found implementation of procedure get_jiffies_64 [2020-10-13 21:35:14,760 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2020-10-13 21:35:14,760 INFO L138 BoogieDeclarations]: Found implementation of procedure timer_pending [2020-10-13 21:35:14,760 INFO L138 BoogieDeclarations]: Found implementation of procedure xen_feature [2020-10-13 21:35:14,760 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_pages [2020-10-13 21:35:14,760 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-10-13 21:35:14,760 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2020-10-13 21:35:14,761 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2020-10-13 21:35:14,761 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2020-10-13 21:35:14,761 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2020-10-13 21:35:14,761 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2020-10-13 21:35:14,761 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2020-10-13 21:35:14,761 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2020-10-13 21:35:14,762 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2020-10-13 21:35:14,762 INFO L138 BoogieDeclarations]: Found implementation of procedure PageForeign [2020-10-13 21:35:14,762 INFO L138 BoogieDeclarations]: Found implementation of procedure PageHead [2020-10-13 21:35:14,762 INFO L138 BoogieDeclarations]: Found implementation of procedure PageTail [2020-10-13 21:35:14,762 INFO L138 BoogieDeclarations]: Found implementation of procedure PageCompound [2020-10-13 21:35:14,762 INFO L138 BoogieDeclarations]: Found implementation of procedure compound_head_by_tail [2020-10-13 21:35:14,763 INFO L138 BoogieDeclarations]: Found implementation of procedure compound_head [2020-10-13 21:35:14,763 INFO L138 BoogieDeclarations]: Found implementation of procedure get_page [2020-10-13 21:35:14,763 INFO L138 BoogieDeclarations]: Found implementation of procedure compound_order [2020-10-13 21:35:14,763 INFO L138 BoogieDeclarations]: Found implementation of procedure lowmem_page_address [2020-10-13 21:35:14,763 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_flow_dissect_flow_keys [2020-10-13 21:35:14,763 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_size [2020-10-13 21:35:14,763 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_size_set [2020-10-13 21:35:14,764 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_skb [2020-10-13 21:35:14,764 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2020-10-13 21:35:14,764 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_empty [2020-10-13 21:35:14,764 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_peek [2020-10-13 21:35:14,764 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_len [2020-10-13 21:35:14,764 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_queue_head_init [2020-10-13 21:35:14,764 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_head_init [2020-10-13 21:35:14,765 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_insert [2020-10-13 21:35:14,765 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_queue_before [2020-10-13 21:35:14,765 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_queue_tail [2020-10-13 21:35:14,765 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_unlink [2020-10-13 21:35:14,765 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_dequeue [2020-10-13 21:35:14,765 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_is_nonlinear [2020-10-13 21:35:14,766 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headlen [2020-10-13 21:35:14,766 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_fill_page_desc [2020-10-13 21:35:14,766 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tail_pointer [2020-10-13 21:35:14,766 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_put [2020-10-13 21:35:14,766 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2020-10-13 21:35:14,766 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_header_was_set [2020-10-13 21:35:14,766 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_header [2020-10-13 21:35:14,767 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reset_transport_header [2020-10-13 21:35:14,767 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_set_transport_header [2020-10-13 21:35:14,767 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reset_network_header [2020-10-13 21:35:14,767 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_mac_header [2020-10-13 21:35:14,767 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_probe_transport_header [2020-10-13 21:35:14,767 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_page [2020-10-13 21:35:14,768 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_frag_unref [2020-10-13 21:35:14,768 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_unref [2020-10-13 21:35:14,768 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_has_frag_list [2020-10-13 21:35:14,768 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_list_init [2020-10-13 21:35:14,768 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_is_gso [2020-10-13 21:35:14,768 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_disable_pending [2020-10-13 21:35:14,768 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_schedule_prep [2020-10-13 21:35:14,769 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_schedule [2020-10-13 21:35:14,769 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2020-10-13 21:35:14,769 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2020-10-13 21:35:14,769 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2020-10-13 21:35:14,769 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_receive_skb [2020-10-13 21:35:14,769 INFO L138 BoogieDeclarations]: Found implementation of procedure gnttab_set_map_op [2020-10-13 21:35:14,770 INFO L138 BoogieDeclarations]: Found implementation of procedure gnttab_set_unmap_op [2020-10-13 21:35:14,770 INFO L138 BoogieDeclarations]: Found implementation of procedure xen_page_foreign [2020-10-13 21:35:14,770 INFO L138 BoogieDeclarations]: Found implementation of procedure to_xenbus_device [2020-10-13 21:35:14,770 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_to_xenbus_device [2020-10-13 21:35:14,770 INFO L138 BoogieDeclarations]: Found implementation of procedure tcp_hdr [2020-10-13 21:35:14,770 INFO L138 BoogieDeclarations]: Found implementation of procedure tcp_hdrlen [2020-10-13 21:35:14,771 INFO L138 BoogieDeclarations]: Found implementation of procedure __pfn_to_mfn [2020-10-13 21:35:14,771 INFO L138 BoogieDeclarations]: Found implementation of procedure pfn_to_mfn [2020-10-13 21:35:14,771 INFO L138 BoogieDeclarations]: Found implementation of procedure idx_to_pfn [2020-10-13 21:35:14,771 INFO L138 BoogieDeclarations]: Found implementation of procedure idx_to_kaddr [2020-10-13 21:35:14,771 INFO L138 BoogieDeclarations]: Found implementation of procedure ubuf_to_queue [2020-10-13 21:35:14,771 INFO L138 BoogieDeclarations]: Found implementation of procedure frag_get_pending_idx [2020-10-13 21:35:14,772 INFO L138 BoogieDeclarations]: Found implementation of procedure frag_set_pending_idx [2020-10-13 21:35:14,772 INFO L138 BoogieDeclarations]: Found implementation of procedure pending_index [2020-10-13 21:35:14,772 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_rx_ring_slots_available [2020-10-13 21:35:14,772 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_rx_queue_tail [2020-10-13 21:35:14,772 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_rx_dequeue [2020-10-13 21:35:14,772 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_rx_queue_maybe_wake [2020-10-13 21:35:14,773 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_rx_queue_purge [2020-10-13 21:35:14,773 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_rx_queue_drop_expired [2020-10-13 21:35:14,773 INFO L138 BoogieDeclarations]: Found implementation of procedure get_next_rx_buffer [2020-10-13 21:35:14,773 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_gop_frag_copy [2020-10-13 21:35:14,773 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_gop_skb [2020-10-13 21:35:14,773 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_check_gop [2020-10-13 21:35:14,773 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_add_frag_responses [2020-10-13 21:35:14,773 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_kick_thread [2020-10-13 21:35:14,774 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_rx_action [2020-10-13 21:35:14,774 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_napi_schedule_or_enable_events [2020-10-13 21:35:14,774 INFO L138 BoogieDeclarations]: Found implementation of procedure tx_add_credit [2020-10-13 21:35:14,774 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_tx_credit_callback [2020-10-13 21:35:14,774 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_tx_err [2020-10-13 21:35:14,774 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_fatal_tx_err [2020-10-13 21:35:14,775 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_count_requests [2020-10-13 21:35:14,775 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_tx_create_map_op [2020-10-13 21:35:14,775 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_alloc_skb [2020-10-13 21:35:14,775 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_get_requests [2020-10-13 21:35:14,775 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_grant_handle_set [2020-10-13 21:35:14,775 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_grant_handle_reset [2020-10-13 21:35:14,776 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_tx_check_gop [2020-10-13 21:35:14,776 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_fill_frags [2020-10-13 21:35:14,776 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_get_extras [2020-10-13 21:35:14,776 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_set_skb_gso [2020-10-13 21:35:14,776 INFO L138 BoogieDeclarations]: Found implementation of procedure checksum_setup [2020-10-13 21:35:14,776 INFO L138 BoogieDeclarations]: Found implementation of procedure tx_credit_exceeded [2020-10-13 21:35:14,776 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_tx_build_gops [2020-10-13 21:35:14,777 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_handle_frag_list [2020-10-13 21:35:14,777 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_tx_submit [2020-10-13 21:35:14,777 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_zerocopy_callback [2020-10-13 21:35:14,777 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_tx_dealloc_action [2020-10-13 21:35:14,777 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_tx_action [2020-10-13 21:35:14,777 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_idx_release [2020-10-13 21:35:14,777 INFO L138 BoogieDeclarations]: Found implementation of procedure make_tx_response [2020-10-13 21:35:14,778 INFO L138 BoogieDeclarations]: Found implementation of procedure push_tx_responses [2020-10-13 21:35:14,778 INFO L138 BoogieDeclarations]: Found implementation of procedure make_rx_response [2020-10-13 21:35:14,778 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_idx_unmap [2020-10-13 21:35:14,778 INFO L138 BoogieDeclarations]: Found implementation of procedure tx_work_todo [2020-10-13 21:35:14,778 INFO L138 BoogieDeclarations]: Found implementation of procedure tx_dealloc_work_todo [2020-10-13 21:35:14,778 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_unmap_frontend_rings [2020-10-13 21:35:14,779 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_map_frontend_rings [2020-10-13 21:35:14,779 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_queue_carrier_off [2020-10-13 21:35:14,779 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_queue_carrier_on [2020-10-13 21:35:14,779 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_rx_queue_stalled [2020-10-13 21:35:14,779 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_rx_queue_ready [2020-10-13 21:35:14,779 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_have_rx_work [2020-10-13 21:35:14,779 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_rx_queue_timeout [2020-10-13 21:35:14,780 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_wait_for_rx_work [2020-10-13 21:35:14,780 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_kthread_guest_rx [2020-10-13 21:35:14,780 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_dealloc_kthread_should_stop [2020-10-13 21:35:14,780 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_dealloc_kthread [2020-10-13 21:35:14,780 INFO L138 BoogieDeclarations]: Found implementation of procedure netback_init [2020-10-13 21:35:14,780 INFO L138 BoogieDeclarations]: Found implementation of procedure netback_fini [2020-10-13 21:35:14,781 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-13 21:35:14,781 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2020-10-13 21:35:14,781 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR_OR_NULL [2020-10-13 21:35:14,781 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer_5 [2020-10-13 21:35:14,781 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2020-10-13 21:35:14,781 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2020-10-13 21:35:14,781 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2020-10-13 21:35:14,781 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2020-10-13 21:35:14,782 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2020-10-13 21:35:14,782 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_wake_all_queues [2020-10-13 21:35:14,782 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_queue_stopped [2020-10-13 21:35:14,782 INFO L138 BoogieDeclarations]: Found implementation of procedure nr_pending_reqs [2020-10-13 21:35:14,782 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_read_io_ring [2020-10-13 21:35:14,782 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_write_io_ring [2020-10-13 21:35:14,782 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_dump_open [2020-10-13 21:35:14,783 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_debugfs_addif [2020-10-13 21:35:14,783 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_debugfs_delif [2020-10-13 21:35:14,783 INFO L138 BoogieDeclarations]: Found implementation of procedure netback_remove [2020-10-13 21:35:14,783 INFO L138 BoogieDeclarations]: Found implementation of procedure netback_probe [2020-10-13 21:35:14,783 INFO L138 BoogieDeclarations]: Found implementation of procedure netback_uevent [2020-10-13 21:35:14,783 INFO L138 BoogieDeclarations]: Found implementation of procedure backend_create_xenvif [2020-10-13 21:35:14,783 INFO L138 BoogieDeclarations]: Found implementation of procedure backend_disconnect [2020-10-13 21:35:14,784 INFO L138 BoogieDeclarations]: Found implementation of procedure backend_connect [2020-10-13 21:35:14,784 INFO L138 BoogieDeclarations]: Found implementation of procedure backend_switch_state [2020-10-13 21:35:14,784 INFO L138 BoogieDeclarations]: Found implementation of procedure set_backend_state [2020-10-13 21:35:14,784 INFO L138 BoogieDeclarations]: Found implementation of procedure frontend_changed [2020-10-13 21:35:14,784 INFO L138 BoogieDeclarations]: Found implementation of procedure xen_net_read_rate [2020-10-13 21:35:14,784 INFO L138 BoogieDeclarations]: Found implementation of procedure xen_net_read_mac [2020-10-13 21:35:14,784 INFO L138 BoogieDeclarations]: Found implementation of procedure xen_net_rate_changed [2020-10-13 21:35:14,784 INFO L138 BoogieDeclarations]: Found implementation of procedure xen_register_watchers [2020-10-13 21:35:14,785 INFO L138 BoogieDeclarations]: Found implementation of procedure xen_unregister_watchers [2020-10-13 21:35:14,785 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_hotplug_status_watch [2020-10-13 21:35:14,785 INFO L138 BoogieDeclarations]: Found implementation of procedure hotplug_status_changed [2020-10-13 21:35:14,785 INFO L138 BoogieDeclarations]: Found implementation of procedure connect [2020-10-13 21:35:14,785 INFO L138 BoogieDeclarations]: Found implementation of procedure connect_rings [2020-10-13 21:35:14,785 INFO L138 BoogieDeclarations]: Found implementation of procedure read_xenbus_vif_flags [2020-10-13 21:35:14,785 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_xenbus_init [2020-10-13 21:35:14,785 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_xenbus_fini [2020-10-13 21:35:14,786 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_xenbus_driver_4 [2020-10-13 21:35:14,786 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_file_operations_5 [2020-10-13 21:35:14,786 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_main_exported_4 [2020-10-13 21:35:14,786 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_main_exported_5 [2020-10-13 21:35:14,786 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2020-10-13 21:35:14,786 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer_pending_11 [2020-10-13 21:35:14,786 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2020-10-13 21:35:14,787 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_clear_bit [2020-10-13 21:35:14,787 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2020-10-13 21:35:14,787 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2020-10-13 21:35:14,787 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec_and_test [2020-10-13 21:35:14,787 INFO L138 BoogieDeclarations]: Found implementation of procedure put_task_struct [2020-10-13 21:35:14,787 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_get_queue_mapping [2020-10-13 21:35:14,787 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_complete [2020-10-13 21:35:14,787 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_enable [2020-10-13 21:35:14,788 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2020-10-13 21:35:14,788 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_all_queues [2020-10-13 21:35:14,788 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2020-10-13 21:35:14,788 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_broadcast_addr [2020-10-13 21:35:14,788 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_skb_zerocopy_prepare [2020-10-13 21:35:14,788 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_skb_zerocopy_complete [2020-10-13 21:35:14,788 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_schedulable [2020-10-13 21:35:14,789 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_tx_interrupt [2020-10-13 21:35:14,789 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_poll [2020-10-13 21:35:14,789 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_rx_interrupt [2020-10-13 21:35:14,789 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_interrupt [2020-10-13 21:35:14,789 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_queue_stopped [2020-10-13 21:35:14,789 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_wake_queue [2020-10-13 21:35:14,790 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_start_xmit [2020-10-13 21:35:14,790 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_get_stats [2020-10-13 21:35:14,790 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_up [2020-10-13 21:35:14,790 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_down [2020-10-13 21:35:14,790 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_open [2020-10-13 21:35:14,790 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_close [2020-10-13 21:35:14,790 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_change_mtu [2020-10-13 21:35:14,790 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_fix_features [2020-10-13 21:35:14,791 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_get_sset_count [2020-10-13 21:35:14,791 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_get_ethtool_stats [2020-10-13 21:35:14,791 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_get_strings [2020-10-13 21:35:14,791 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_alloc [2020-10-13 21:35:14,791 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_init_queue [2020-10-13 21:35:14,791 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_carrier_on [2020-10-13 21:35:14,792 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_connect [2020-10-13 21:35:14,792 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_carrier_off [2020-10-13 21:35:14,792 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_disconnect [2020-10-13 21:35:14,792 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_deinit_queue [2020-10-13 21:35:14,792 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_free [2020-10-13 21:35:14,792 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_1 [2020-10-13 21:35:14,792 INFO L138 BoogieDeclarations]: Found implementation of procedure choose_timer_1 [2020-10-13 21:35:14,792 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_1 [2020-10-13 21:35:14,793 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_ethtool_ops_3 [2020-10-13 21:35:14,793 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_net_device_ops_2 [2020-10-13 21:35:14,793 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_1 [2020-10-13 21:35:14,793 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_main_exported_3 [2020-10-13 21:35:14,793 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_main_exported_2 [2020-10-13 21:35:14,793 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2020-10-13 21:35:14,793 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync_17 [2020-10-13 21:35:14,794 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_netdev_18 [2020-10-13 21:35:14,794 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev_19 [2020-10-13 21:35:14,794 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___module_get_20 [2020-10-13 21:35:14,794 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put_21 [2020-10-13 21:35:14,794 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev_22 [2020-10-13 21:35:14,794 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev_23 [2020-10-13 21:35:14,794 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put_24 [2020-10-13 21:35:14,794 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2020-10-13 21:35:14,795 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2020-10-13 21:35:14,795 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2020-10-13 21:35:14,795 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2020-10-13 21:35:14,795 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2020-10-13 21:35:14,795 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_get [2020-10-13 21:35:14,795 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_try_module_get [2020-10-13 21:35:14,796 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put [2020-10-13 21:35:14,796 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put_and_exit [2020-10-13 21:35:14,796 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_refcount [2020-10-13 21:35:14,796 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2020-10-13 21:35:14,796 INFO L138 BoogieDeclarations]: Found implementation of procedure ___might_sleep [2020-10-13 21:35:14,796 INFO L138 BoogieDeclarations]: Found implementation of procedure ___ratelimit [2020-10-13 21:35:14,796 INFO L138 BoogieDeclarations]: Found implementation of procedure __alloc_skb [2020-10-13 21:35:14,797 INFO L138 BoogieDeclarations]: Found implementation of procedure __bitmap_weight [2020-10-13 21:35:14,797 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_netdev_dbg [2020-10-13 21:35:14,797 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_pr_debug [2020-10-13 21:35:14,797 INFO L138 BoogieDeclarations]: Found implementation of procedure __get_page_tail [2020-10-13 21:35:14,797 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2020-10-13 21:35:14,797 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_sleep [2020-10-13 21:35:14,797 INFO L138 BoogieDeclarations]: Found implementation of procedure __msecs_to_jiffies [2020-10-13 21:35:14,798 INFO L138 BoogieDeclarations]: Found implementation of procedure __napi_schedule [2020-10-13 21:35:14,798 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2020-10-13 21:35:14,798 INFO L138 BoogieDeclarations]: Found implementation of procedure __put_task_struct [2020-10-13 21:35:14,798 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2020-10-13 21:35:14,798 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_flow_dissect [2020-10-13 21:35:14,798 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2020-10-13 21:35:14,798 INFO L138 BoogieDeclarations]: Found implementation of procedure __xenbus_register_backend [2020-10-13 21:35:14,799 INFO L138 BoogieDeclarations]: Found implementation of procedure _cond_resched [2020-10-13 21:35:14,799 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock [2020-10-13 21:35:14,799 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irq [2020-10-13 21:35:14,799 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2020-10-13 21:35:14,799 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock [2020-10-13 21:35:14,799 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irq [2020-10-13 21:35:14,799 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irqrestore [2020-10-13 21:35:14,800 INFO L138 BoogieDeclarations]: Found implementation of procedure add_uevent_var [2020-10-13 21:35:14,800 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_netdev_mqs [2020-10-13 21:35:14,800 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_pages_current [2020-10-13 21:35:14,800 INFO L138 BoogieDeclarations]: Found implementation of procedure bind_interdomain_evtchn_to_irqhandler [2020-10-13 21:35:14,800 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2020-10-13 21:35:14,800 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_create_dir [2020-10-13 21:35:14,800 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_create_file [2020-10-13 21:35:14,800 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_remove_recursive [2020-10-13 21:35:14,801 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2020-10-13 21:35:14,801 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_mtu [2020-10-13 21:35:14,801 INFO L138 BoogieDeclarations]: Found implementation of procedure device_unregister [2020-10-13 21:35:14,801 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_irq [2020-10-13 21:35:14,801 INFO L138 BoogieDeclarations]: Found implementation of procedure dump_page [2020-10-13 21:35:14,801 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_irq [2020-10-13 21:35:14,801 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_mac_addr [2020-10-13 21:35:14,801 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_type_trans [2020-10-13 21:35:14,802 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2020-10-13 21:35:14,802 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_op_get_link [2020-10-13 21:35:14,802 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2020-10-13 21:35:14,802 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2020-10-13 21:35:14,802 INFO L138 BoogieDeclarations]: Found implementation of procedure get_phys_to_machine [2020-10-13 21:35:14,802 INFO L138 BoogieDeclarations]: Found implementation of procedure gnttab_alloc_pages [2020-10-13 21:35:14,802 INFO L138 BoogieDeclarations]: Found implementation of procedure gnttab_batch_copy [2020-10-13 21:35:14,802 INFO L138 BoogieDeclarations]: Found implementation of procedure gnttab_free_pages [2020-10-13 21:35:14,803 INFO L138 BoogieDeclarations]: Found implementation of procedure gnttab_map_refs [2020-10-13 21:35:14,803 INFO L138 BoogieDeclarations]: Found implementation of procedure gnttab_unmap_refs [2020-10-13 21:35:14,803 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2020-10-13 21:35:14,803 INFO L138 BoogieDeclarations]: Found implementation of procedure kobject_uevent [2020-10-13 21:35:14,803 INFO L138 BoogieDeclarations]: Found implementation of procedure kthread_create_on_node [2020-10-13 21:35:14,803 INFO L138 BoogieDeclarations]: Found implementation of procedure kthread_should_stop [2020-10-13 21:35:14,803 INFO L138 BoogieDeclarations]: Found implementation of procedure kthread_stop [2020-10-13 21:35:14,804 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2020-10-13 21:35:14,804 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ndo_init_2 [2020-10-13 21:35:14,804 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ndo_uninit_2 [2020-10-13 21:35:14,804 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2020-10-13 21:35:14,804 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer_pending [2020-10-13 21:35:14,804 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_disable [2020-10-13 21:35:14,804 INFO L138 BoogieDeclarations]: Found implementation of procedure net_ratelimit [2020-10-13 21:35:14,804 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_err [2020-10-13 21:35:14,805 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_info [2020-10-13 21:35:14,805 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_update_features [2020-10-13 21:35:14,805 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_warn [2020-10-13 21:35:14,805 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2020-10-13 21:35:14,805 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2020-10-13 21:35:14,805 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_napi_add [2020-10-13 21:35:14,805 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_napi_del [2020-10-13 21:35:14,806 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_receive_skb_sk [2020-10-13 21:35:14,806 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_set_real_num_rx_queues [2020-10-13 21:35:14,806 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_set_real_num_tx_queues [2020-10-13 21:35:14,806 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_all_queues [2020-10-13 21:35:14,806 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_wake_queue [2020-10-13 21:35:14,806 INFO L138 BoogieDeclarations]: Found implementation of procedure notify_remote_via_irq [2020-10-13 21:35:14,806 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait [2020-10-13 21:35:14,807 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait_event [2020-10-13 21:35:14,807 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2020-10-13 21:35:14,807 INFO L138 BoogieDeclarations]: Found implementation of procedure put_page [2020-10-13 21:35:14,807 INFO L138 BoogieDeclarations]: Found implementation of procedure register_netdev [2020-10-13 21:35:14,807 INFO L138 BoogieDeclarations]: Found implementation of procedure register_xenbus_watch [2020-10-13 21:35:14,807 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_lock [2020-10-13 21:35:14,807 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_unlock [2020-10-13 21:35:14,808 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2020-10-13 21:35:14,808 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout [2020-10-13 21:35:14,808 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_lseek [2020-10-13 21:35:14,808 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_printf [2020-10-13 21:35:14,808 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_read [2020-10-13 21:35:14,808 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_strtoul [2020-10-13 21:35:14,808 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_write_to_buffer [2020-10-13 21:35:14,808 INFO L138 BoogieDeclarations]: Found implementation of procedure single_open [2020-10-13 21:35:14,809 INFO L138 BoogieDeclarations]: Found implementation of procedure single_release [2020-10-13 21:35:14,809 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_checksum_setup [2020-10-13 21:35:14,809 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_copy_bits [2020-10-13 21:35:14,809 INFO L138 BoogieDeclarations]: Found implementation of procedure unbind_from_irqhandler [2020-10-13 21:35:14,809 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2020-10-13 21:35:14,809 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_xenbus_watch [2020-10-13 21:35:14,809 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2020-10-13 21:35:14,809 INFO L138 BoogieDeclarations]: Found implementation of procedure vzalloc [2020-10-13 21:35:14,810 INFO L138 BoogieDeclarations]: Found implementation of procedure wake_up_process [2020-10-13 21:35:14,810 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_dev_fatal [2020-10-13 21:35:14,810 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_dev_is_online [2020-10-13 21:35:14,810 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_gather [2020-10-13 21:35:14,810 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_map_ring_valloc [2020-10-13 21:35:14,810 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_printf [2020-10-13 21:35:14,810 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_read [2020-10-13 21:35:14,810 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_rm [2020-10-13 21:35:14,811 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_scanf [2020-10-13 21:35:14,811 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_strstate [2020-10-13 21:35:14,811 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_switch_state [2020-10-13 21:35:14,811 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_transaction_end [2020-10-13 21:35:14,811 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_transaction_start [2020-10-13 21:35:14,811 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_unmap_ring_vfree [2020-10-13 21:35:14,811 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_watch_pathfmt [2020-10-13 21:35:14,812 INFO L138 BoogieDeclarations]: Found implementation of procedure autoremove_wake_function [2020-10-13 21:35:14,812 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2020-10-13 21:35:14,812 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2020-10-13 21:35:14,812 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2020-10-13 21:35:14,812 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2020-10-13 21:35:14,813 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2020-10-13 21:35:14,813 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-13 21:35:14,813 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2020-10-13 21:35:14,813 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2020-10-13 21:35:14,813 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2020-10-13 21:35:14,813 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2020-10-13 21:35:14,813 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-13 21:35:14,813 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2020-10-13 21:35:14,814 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_netdev_dbg [2020-10-13 21:35:14,814 INFO L130 BoogieDeclarations]: Found specification of procedure ___might_sleep [2020-10-13 21:35:14,814 INFO L130 BoogieDeclarations]: Found specification of procedure __might_sleep [2020-10-13 21:35:14,814 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2020-10-13 21:35:14,814 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2020-10-13 21:35:14,814 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2020-10-13 21:35:14,814 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-13 21:35:14,815 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2020-10-13 21:35:14,815 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2020-10-13 21:35:14,815 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2020-10-13 21:35:14,815 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2020-10-13 21:35:14,815 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2020-10-13 21:35:14,815 INFO L130 BoogieDeclarations]: Found specification of procedure __bitmap_weight [2020-10-13 21:35:14,815 INFO L130 BoogieDeclarations]: Found specification of procedure bitmap_weight [2020-10-13 21:35:14,816 INFO L130 BoogieDeclarations]: Found specification of procedure cpumask_weight [2020-10-13 21:35:14,816 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2020-10-13 21:35:14,816 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR_OR_NULL [2020-10-13 21:35:14,816 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2020-10-13 21:35:14,816 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2020-10-13 21:35:14,816 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2020-10-13 21:35:14,816 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock [2020-10-13 21:35:14,817 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irq [2020-10-13 21:35:14,817 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2020-10-13 21:35:14,817 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock [2020-10-13 21:35:14,817 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irq [2020-10-13 21:35:14,817 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore [2020-10-13 21:35:14,817 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2020-10-13 21:35:14,817 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2020-10-13 21:35:14,817 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2020-10-13 21:35:14,818 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2020-10-13 21:35:14,818 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2020-10-13 21:35:14,818 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2020-10-13 21:35:14,818 INFO L130 BoogieDeclarations]: Found specification of procedure dump_page [2020-10-13 21:35:14,818 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2020-10-13 21:35:14,818 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait [2020-10-13 21:35:14,818 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait_event [2020-10-13 21:35:14,818 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2020-10-13 21:35:14,818 INFO L130 BoogieDeclarations]: Found specification of procedure autoremove_wake_function [2020-10-13 21:35:14,819 INFO L130 BoogieDeclarations]: Found specification of procedure get_jiffies_64 [2020-10-13 21:35:14,819 INFO L130 BoogieDeclarations]: Found specification of procedure __msecs_to_jiffies [2020-10-13 21:35:14,819 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2020-10-13 21:35:14,819 INFO L130 BoogieDeclarations]: Found specification of procedure timer_pending [2020-10-13 21:35:14,819 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-13 21:35:14,819 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2020-10-13 21:35:14,819 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer_5 [2020-10-13 21:35:14,819 INFO L130 BoogieDeclarations]: Found specification of procedure xen_feature [2020-10-13 21:35:14,820 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_pages_current [2020-10-13 21:35:14,820 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_pages [2020-10-13 21:35:14,820 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout [2020-10-13 21:35:14,820 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2020-10-13 21:35:14,820 INFO L130 BoogieDeclarations]: Found specification of procedure _cond_resched [2020-10-13 21:35:14,820 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-13 21:35:14,820 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-10-13 21:35:14,820 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-13 21:35:14,820 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2020-10-13 21:35:14,821 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-13 21:35:14,821 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-10-13 21:35:14,821 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2020-10-13 21:35:14,821 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2020-10-13 21:35:14,821 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-13 21:35:14,821 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2020-10-13 21:35:14,821 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2020-10-13 21:35:14,821 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2020-10-13 21:35:14,822 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2020-10-13 21:35:14,822 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2020-10-13 21:35:14,822 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2020-10-13 21:35:14,822 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2020-10-13 21:35:14,822 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2020-10-13 21:35:14,822 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_xenbus_driver_4 [2020-10-13 21:35:14,822 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_1 [2020-10-13 21:35:14,822 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_file_operations_5 [2020-10-13 21:35:14,822 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_ethtool_ops_3 [2020-10-13 21:35:14,823 INFO L130 BoogieDeclarations]: Found specification of procedure net_ratelimit [2020-10-13 21:35:14,823 INFO L130 BoogieDeclarations]: Found specification of procedure PageForeign [2020-10-13 21:35:14,823 INFO L130 BoogieDeclarations]: Found specification of procedure PageHead [2020-10-13 21:35:14,823 INFO L130 BoogieDeclarations]: Found specification of procedure PageTail [2020-10-13 21:35:14,823 INFO L130 BoogieDeclarations]: Found specification of procedure PageCompound [2020-10-13 21:35:14,823 INFO L130 BoogieDeclarations]: Found specification of procedure compound_head_by_tail [2020-10-13 21:35:14,823 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-13 21:35:14,823 INFO L130 BoogieDeclarations]: Found specification of procedure compound_head [2020-10-13 21:35:14,824 INFO L130 BoogieDeclarations]: Found specification of procedure __get_page_tail [2020-10-13 21:35:14,824 INFO L130 BoogieDeclarations]: Found specification of procedure get_page [2020-10-13 21:35:14,824 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-13 21:35:14,824 INFO L130 BoogieDeclarations]: Found specification of procedure put_page [2020-10-13 21:35:14,824 INFO L130 BoogieDeclarations]: Found specification of procedure compound_order [2020-10-13 21:35:14,824 INFO L130 BoogieDeclarations]: Found specification of procedure lowmem_page_address [2020-10-13 21:35:14,824 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_flow_dissect [2020-10-13 21:35:14,824 INFO L130 BoogieDeclarations]: Found specification of procedure skb_flow_dissect_flow_keys [2020-10-13 21:35:14,824 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_size [2020-10-13 21:35:14,825 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_size_set [2020-10-13 21:35:14,825 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2020-10-13 21:35:14,825 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2020-10-13 21:35:14,825 INFO L130 BoogieDeclarations]: Found specification of procedure __alloc_skb [2020-10-13 21:35:14,825 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_skb [2020-10-13 21:35:14,825 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2020-10-13 21:35:14,825 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_empty [2020-10-13 21:35:14,825 INFO L130 BoogieDeclarations]: Found specification of procedure skb_peek [2020-10-13 21:35:14,825 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_len [2020-10-13 21:35:14,826 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_queue_head_init [2020-10-13 21:35:14,826 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_head_init [2020-10-13 21:35:14,826 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-13 21:35:14,826 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_insert [2020-10-13 21:35:14,826 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_queue_before [2020-10-13 21:35:14,826 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_queue_tail [2020-10-13 21:35:14,826 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_unlink [2020-10-13 21:35:14,826 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_dequeue [2020-10-13 21:35:14,827 INFO L130 BoogieDeclarations]: Found specification of procedure skb_is_nonlinear [2020-10-13 21:35:14,827 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headlen [2020-10-13 21:35:14,827 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_fill_page_desc [2020-10-13 21:35:14,827 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tail_pointer [2020-10-13 21:35:14,827 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_put [2020-10-13 21:35:14,827 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2020-10-13 21:35:14,827 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_header_was_set [2020-10-13 21:35:14,827 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_header [2020-10-13 21:35:14,827 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reset_transport_header [2020-10-13 21:35:14,828 INFO L130 BoogieDeclarations]: Found specification of procedure skb_set_transport_header [2020-10-13 21:35:14,828 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reset_network_header [2020-10-13 21:35:14,828 INFO L130 BoogieDeclarations]: Found specification of procedure skb_mac_header [2020-10-13 21:35:14,828 INFO L130 BoogieDeclarations]: Found specification of procedure skb_probe_transport_header [2020-10-13 21:35:14,828 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_page [2020-10-13 21:35:14,828 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_frag_unref [2020-10-13 21:35:14,828 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_unref [2020-10-13 21:35:14,829 INFO L130 BoogieDeclarations]: Found specification of procedure skb_has_frag_list [2020-10-13 21:35:14,829 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_list_init [2020-10-13 21:35:14,829 INFO L130 BoogieDeclarations]: Found specification of procedure skb_copy_bits [2020-10-13 21:35:14,829 INFO L130 BoogieDeclarations]: Found specification of procedure skb_is_gso [2020-10-13 21:35:14,829 INFO L130 BoogieDeclarations]: Found specification of procedure skb_checksum_setup [2020-10-13 21:35:14,829 INFO L130 BoogieDeclarations]: Found specification of procedure __napi_schedule [2020-10-13 21:35:14,829 INFO L130 BoogieDeclarations]: Found specification of procedure napi_disable_pending [2020-10-13 21:35:14,829 INFO L130 BoogieDeclarations]: Found specification of procedure napi_schedule_prep [2020-10-13 21:35:14,830 INFO L130 BoogieDeclarations]: Found specification of procedure napi_schedule [2020-10-13 21:35:14,830 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2020-10-13 21:35:14,830 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2020-10-13 21:35:14,830 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_wake_queue [2020-10-13 21:35:14,830 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2020-10-13 21:35:14,830 INFO L130 BoogieDeclarations]: Found specification of procedure netif_receive_skb_sk [2020-10-13 21:35:14,830 INFO L130 BoogieDeclarations]: Found specification of procedure netif_receive_skb [2020-10-13 21:35:14,830 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2020-10-13 21:35:14,831 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2020-10-13 21:35:14,831 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_err [2020-10-13 21:35:14,831 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_info [2020-10-13 21:35:14,831 INFO L130 BoogieDeclarations]: Found specification of procedure eth_type_trans [2020-10-13 21:35:14,831 INFO L130 BoogieDeclarations]: Found specification of procedure gnttab_set_map_op [2020-10-13 21:35:14,831 INFO L130 BoogieDeclarations]: Found specification of procedure gnttab_set_unmap_op [2020-10-13 21:35:14,831 INFO L130 BoogieDeclarations]: Found specification of procedure gnttab_map_refs [2020-10-13 21:35:14,832 INFO L130 BoogieDeclarations]: Found specification of procedure gnttab_unmap_refs [2020-10-13 21:35:14,832 INFO L130 BoogieDeclarations]: Found specification of procedure gnttab_batch_copy [2020-10-13 21:35:14,832 INFO L130 BoogieDeclarations]: Found specification of procedure xen_page_foreign [2020-10-13 21:35:14,832 INFO L130 BoogieDeclarations]: Found specification of procedure to_xenbus_device [2020-10-13 21:35:14,832 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_map_ring_valloc [2020-10-13 21:35:14,832 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_unmap_ring_vfree [2020-10-13 21:35:14,832 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_create_dir [2020-10-13 21:35:14,832 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_remove_recursive [2020-10-13 21:35:14,833 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_to_xenbus_device [2020-10-13 21:35:14,833 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_tx_credit_callback [2020-10-13 21:35:14,833 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_xenbus_init [2020-10-13 21:35:14,833 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_xenbus_fini [2020-10-13 21:35:14,833 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_unmap_frontend_rings [2020-10-13 21:35:14,833 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_map_frontend_rings [2020-10-13 21:35:14,833 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_napi_schedule_or_enable_events [2020-10-13 21:35:14,833 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_carrier_off [2020-10-13 21:35:14,833 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_tx_action [2020-10-13 21:35:14,834 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_kthread_guest_rx [2020-10-13 21:35:14,834 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_kick_thread [2020-10-13 21:35:14,834 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_dealloc_kthread [2020-10-13 21:35:14,834 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_rx_queue_tail [2020-10-13 21:35:14,834 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_rx_ring_slots_available [2020-10-13 21:35:14,834 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_zerocopy_callback [2020-10-13 21:35:14,834 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_idx_unmap [2020-10-13 21:35:14,834 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_skb_zerocopy_prepare [2020-10-13 21:35:14,834 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_skb_zerocopy_complete [2020-10-13 21:35:14,835 INFO L130 BoogieDeclarations]: Found specification of procedure kthread_should_stop [2020-10-13 21:35:14,835 INFO L130 BoogieDeclarations]: Found specification of procedure tcp_hdr [2020-10-13 21:35:14,835 INFO L130 BoogieDeclarations]: Found specification of procedure tcp_hdrlen [2020-10-13 21:35:14,835 INFO L130 BoogieDeclarations]: Found specification of procedure notify_remote_via_irq [2020-10-13 21:35:14,835 INFO L130 BoogieDeclarations]: Found specification of procedure get_phys_to_machine [2020-10-13 21:35:14,835 INFO L130 BoogieDeclarations]: Found specification of procedure __pfn_to_mfn [2020-10-13 21:35:14,835 INFO L130 BoogieDeclarations]: Found specification of procedure pfn_to_mfn [2020-10-13 21:35:14,835 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_idx_release [2020-10-13 21:35:14,835 INFO L130 BoogieDeclarations]: Found specification of procedure make_tx_response [2020-10-13 21:35:14,836 INFO L130 BoogieDeclarations]: Found specification of procedure push_tx_responses [2020-10-13 21:35:14,836 INFO L130 BoogieDeclarations]: Found specification of procedure tx_work_todo [2020-10-13 21:35:14,836 INFO L130 BoogieDeclarations]: Found specification of procedure make_rx_response [2020-10-13 21:35:14,836 INFO L130 BoogieDeclarations]: Found specification of procedure idx_to_pfn [2020-10-13 21:35:14,836 INFO L130 BoogieDeclarations]: Found specification of procedure idx_to_kaddr [2020-10-13 21:35:14,836 INFO L130 BoogieDeclarations]: Found specification of procedure ubuf_to_queue [2020-10-13 21:35:14,836 INFO L130 BoogieDeclarations]: Found specification of procedure frag_get_pending_idx [2020-10-13 21:35:14,836 INFO L130 BoogieDeclarations]: Found specification of procedure frag_set_pending_idx [2020-10-13 21:35:14,837 INFO L130 BoogieDeclarations]: Found specification of procedure pending_index [2020-10-13 21:35:14,837 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_rx_dequeue [2020-10-13 21:35:14,837 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_rx_queue_maybe_wake [2020-10-13 21:35:14,837 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_rx_queue_purge [2020-10-13 21:35:14,837 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_rx_queue_drop_expired [2020-10-13 21:35:14,837 INFO L130 BoogieDeclarations]: Found specification of procedure get_next_rx_buffer [2020-10-13 21:35:14,837 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_gop_frag_copy [2020-10-13 21:35:14,837 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_gop_skb [2020-10-13 21:35:14,837 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_check_gop [2020-10-13 21:35:14,838 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_add_frag_responses [2020-10-13 21:35:14,838 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_rx_action [2020-10-13 21:35:14,838 INFO L130 BoogieDeclarations]: Found specification of procedure tx_add_credit [2020-10-13 21:35:14,838 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_tx_err [2020-10-13 21:35:14,838 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_fatal_tx_err [2020-10-13 21:35:14,838 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_count_requests [2020-10-13 21:35:14,838 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2020-10-13 21:35:14,838 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_tx_create_map_op [2020-10-13 21:35:14,839 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_alloc_skb [2020-10-13 21:35:14,839 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_get_requests [2020-10-13 21:35:14,839 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_grant_handle_set [2020-10-13 21:35:14,839 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_grant_handle_reset [2020-10-13 21:35:14,839 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_tx_check_gop [2020-10-13 21:35:14,839 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_fill_frags [2020-10-13 21:35:14,839 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_get_extras [2020-10-13 21:35:14,839 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_set_skb_gso [2020-10-13 21:35:14,840 INFO L130 BoogieDeclarations]: Found specification of procedure checksum_setup [2020-10-13 21:35:14,840 INFO L130 BoogieDeclarations]: Found specification of procedure tx_credit_exceeded [2020-10-13 21:35:14,840 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_tx_build_gops [2020-10-13 21:35:14,840 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_handle_frag_list [2020-10-13 21:35:14,840 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~bool~0~TO~VOID [2020-10-13 21:35:14,840 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_tx_submit [2020-10-13 21:35:14,840 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_tx_dealloc_action [2020-10-13 21:35:14,840 INFO L130 BoogieDeclarations]: Found specification of procedure tx_dealloc_work_todo [2020-10-13 21:35:14,841 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_queue_carrier_off [2020-10-13 21:35:14,841 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_queue_carrier_on [2020-10-13 21:35:14,841 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_rx_queue_stalled [2020-10-13 21:35:14,841 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_rx_queue_ready [2020-10-13 21:35:14,841 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_have_rx_work [2020-10-13 21:35:14,841 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_rx_queue_timeout [2020-10-13 21:35:14,841 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_wait_for_rx_work [2020-10-13 21:35:14,841 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_dealloc_kthread_should_stop [2020-10-13 21:35:14,841 INFO L130 BoogieDeclarations]: Found specification of procedure netback_init [2020-10-13 21:35:14,842 INFO L130 BoogieDeclarations]: Found specification of procedure netback_fini [2020-10-13 21:35:14,842 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2020-10-13 21:35:14,842 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2020-10-13 21:35:14,842 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_main_exported_4 [2020-10-13 21:35:14,842 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_main_exported_5 [2020-10-13 21:35:14,842 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_main_exported_3 [2020-10-13 21:35:14,842 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_main_exported_2 [2020-10-13 21:35:14,842 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-13 21:35:14,842 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_pr_debug [2020-10-13 21:35:14,843 INFO L130 BoogieDeclarations]: Found specification of procedure simple_strtoul [2020-10-13 21:35:14,843 INFO L130 BoogieDeclarations]: Found specification of procedure snprintf [2020-10-13 21:35:14,843 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2020-10-13 21:35:14,843 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2020-10-13 21:35:14,843 INFO L130 BoogieDeclarations]: Found specification of procedure strlen [2020-10-13 21:35:14,843 INFO L130 BoogieDeclarations]: Found specification of procedure strcpy [2020-10-13 21:35:14,843 INFO L130 BoogieDeclarations]: Found specification of procedure strncmp [2020-10-13 21:35:14,843 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer_pending [2020-10-13 21:35:14,843 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer_pending_11 [2020-10-13 21:35:14,844 INFO L130 BoogieDeclarations]: Found specification of procedure kobject_uevent [2020-10-13 21:35:14,844 INFO L130 BoogieDeclarations]: Found specification of procedure add_uevent_var [2020-10-13 21:35:14,844 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-10-13 21:35:14,844 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2020-10-13 21:35:14,844 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2020-10-13 21:35:14,844 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2020-10-13 21:35:14,844 INFO L130 BoogieDeclarations]: Found specification of procedure seq_read [2020-10-13 21:35:14,844 INFO L130 BoogieDeclarations]: Found specification of procedure seq_lseek [2020-10-13 21:35:14,844 INFO L130 BoogieDeclarations]: Found specification of procedure seq_printf [2020-10-13 21:35:14,845 INFO L130 BoogieDeclarations]: Found specification of procedure single_open [2020-10-13 21:35:14,845 INFO L130 BoogieDeclarations]: Found specification of procedure single_release [2020-10-13 21:35:14,845 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2020-10-13 21:35:14,845 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2020-10-13 21:35:14,845 INFO L130 BoogieDeclarations]: Found specification of procedure device_unregister [2020-10-13 21:35:14,845 INFO L130 BoogieDeclarations]: Found specification of procedure simple_write_to_buffer [2020-10-13 21:35:14,845 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_wake_all_queues [2020-10-13 21:35:14,845 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_queue_stopped [2020-10-13 21:35:14,846 INFO L130 BoogieDeclarations]: Found specification of procedure netif_set_real_num_tx_queues [2020-10-13 21:35:14,846 INFO L130 BoogieDeclarations]: Found specification of procedure netif_set_real_num_rx_queues [2020-10-13 21:35:14,846 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_warn [2020-10-13 21:35:14,846 INFO L130 BoogieDeclarations]: Found specification of procedure __xenbus_register_backend [2020-10-13 21:35:14,846 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_read [2020-10-13 21:35:14,846 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_rm [2020-10-13 21:35:14,846 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_transaction_start [2020-10-13 21:35:14,846 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_transaction_end [2020-10-13 21:35:14,846 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_scanf [2020-10-13 21:35:14,847 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_printf [2020-10-13 21:35:14,847 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_gather [2020-10-13 21:35:14,847 INFO L130 BoogieDeclarations]: Found specification of procedure register_xenbus_watch [2020-10-13 21:35:14,847 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_xenbus_watch [2020-10-13 21:35:14,847 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_watch_pathfmt [2020-10-13 21:35:14,847 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_switch_state [2020-10-13 21:35:14,847 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_dev_fatal [2020-10-13 21:35:14,847 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_strstate [2020-10-13 21:35:14,847 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_dev_is_online [2020-10-13 21:35:14,848 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_create_file [2020-10-13 21:35:14,848 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_alloc [2020-10-13 21:35:14,848 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_init_queue [2020-10-13 21:35:14,848 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_deinit_queue [2020-10-13 21:35:14,848 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_connect [2020-10-13 21:35:14,848 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_disconnect [2020-10-13 21:35:14,848 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_free [2020-10-13 21:35:14,848 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_carrier_on [2020-10-13 21:35:14,848 INFO L130 BoogieDeclarations]: Found specification of procedure nr_pending_reqs [2020-10-13 21:35:14,849 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_interrupt [2020-10-13 21:35:14,849 INFO L130 BoogieDeclarations]: Found specification of procedure vzalloc [2020-10-13 21:35:14,849 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2020-10-13 21:35:14,849 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_lock [2020-10-13 21:35:14,849 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_unlock [2020-10-13 21:35:14,849 INFO L130 BoogieDeclarations]: Found specification of procedure connect_rings [2020-10-13 21:35:14,849 INFO L130 BoogieDeclarations]: Found specification of procedure connect [2020-10-13 21:35:14,849 INFO L130 BoogieDeclarations]: Found specification of procedure read_xenbus_vif_flags [2020-10-13 21:35:14,849 INFO L130 BoogieDeclarations]: Found specification of procedure backend_create_xenvif [2020-10-13 21:35:14,850 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_hotplug_status_watch [2020-10-13 21:35:14,850 INFO L130 BoogieDeclarations]: Found specification of procedure xen_unregister_watchers [2020-10-13 21:35:14,850 INFO L130 BoogieDeclarations]: Found specification of procedure set_backend_state [2020-10-13 21:35:14,850 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_read_io_ring [2020-10-13 21:35:14,850 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_write_io_ring [2020-10-13 21:35:14,850 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_dump_open [2020-10-13 21:35:14,850 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_debugfs_addif [2020-10-13 21:35:14,850 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_debugfs_delif [2020-10-13 21:35:14,851 INFO L130 BoogieDeclarations]: Found specification of procedure netback_remove [2020-10-13 21:35:14,851 INFO L130 BoogieDeclarations]: Found specification of procedure netback_probe [2020-10-13 21:35:14,851 INFO L130 BoogieDeclarations]: Found specification of procedure netback_uevent [2020-10-13 21:35:14,851 INFO L130 BoogieDeclarations]: Found specification of procedure backend_disconnect [2020-10-13 21:35:14,851 INFO L130 BoogieDeclarations]: Found specification of procedure backend_connect [2020-10-13 21:35:14,851 INFO L130 BoogieDeclarations]: Found specification of procedure backend_switch_state [2020-10-13 21:35:14,851 INFO L130 BoogieDeclarations]: Found specification of procedure frontend_changed [2020-10-13 21:35:14,851 INFO L130 BoogieDeclarations]: Found specification of procedure xen_net_read_rate [2020-10-13 21:35:14,852 INFO L130 BoogieDeclarations]: Found specification of procedure xen_net_read_mac [2020-10-13 21:35:14,852 INFO L130 BoogieDeclarations]: Found specification of procedure xen_net_rate_changed [2020-10-13 21:35:14,852 INFO L130 BoogieDeclarations]: Found specification of procedure xen_register_watchers [2020-10-13 21:35:14,852 INFO L130 BoogieDeclarations]: Found specification of procedure hotplug_status_changed [2020-10-13 21:35:14,852 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2020-10-13 21:35:14,852 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2020-10-13 21:35:14,852 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_clear_bit [2020-10-13 21:35:14,852 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2020-10-13 21:35:14,852 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2020-10-13 21:35:14,853 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2020-10-13 21:35:14,853 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2020-10-13 21:35:14,853 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec_and_test [2020-10-13 21:35:14,853 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2020-10-13 21:35:14,853 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2020-10-13 21:35:14,853 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync_17 [2020-10-13 21:35:14,853 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___module_get_20 [2020-10-13 21:35:14,853 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put_21 [2020-10-13 21:35:14,854 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put_24 [2020-10-13 21:35:14,854 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_get [2020-10-13 21:35:14,854 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put [2020-10-13 21:35:14,854 INFO L130 BoogieDeclarations]: Found specification of procedure __put_task_struct [2020-10-13 21:35:14,854 INFO L130 BoogieDeclarations]: Found specification of procedure put_task_struct [2020-10-13 21:35:14,854 INFO L130 BoogieDeclarations]: Found specification of procedure wake_up_process [2020-10-13 21:35:14,854 INFO L130 BoogieDeclarations]: Found specification of procedure choose_timer_1 [2020-10-13 21:35:14,854 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_1 [2020-10-13 21:35:14,855 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_net_device_ops_2 [2020-10-13 21:35:14,855 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_1 [2020-10-13 21:35:14,855 INFO L130 BoogieDeclarations]: Found specification of procedure disable_irq [2020-10-13 21:35:14,855 INFO L130 BoogieDeclarations]: Found specification of procedure enable_irq [2020-10-13 21:35:14,855 INFO L130 BoogieDeclarations]: Found specification of procedure ___ratelimit [2020-10-13 21:35:14,855 INFO L130 BoogieDeclarations]: Found specification of procedure skb_get_queue_mapping [2020-10-13 21:35:14,855 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_op_get_link [2020-10-13 21:35:14,855 INFO L130 BoogieDeclarations]: Found specification of procedure napi_complete [2020-10-13 21:35:14,855 INFO L130 BoogieDeclarations]: Found specification of procedure napi_disable [2020-10-13 21:35:14,856 INFO L130 BoogieDeclarations]: Found specification of procedure napi_enable [2020-10-13 21:35:14,856 INFO L130 BoogieDeclarations]: Found specification of procedure netif_napi_add [2020-10-13 21:35:14,856 INFO L130 BoogieDeclarations]: Found specification of procedure netif_napi_del [2020-10-13 21:35:14,856 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2020-10-13 21:35:14,856 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev_19 [2020-10-13 21:35:14,856 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev_23 [2020-10-13 21:35:14,856 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2020-10-13 21:35:14,856 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_all_queues [2020-10-13 21:35:14,856 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_all_queues [2020-10-13 21:35:14,857 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2020-10-13 21:35:14,857 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_mtu [2020-10-13 21:35:14,857 INFO L130 BoogieDeclarations]: Found specification of procedure ether_setup [2020-10-13 21:35:14,857 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_netdev_mqs [2020-10-13 21:35:14,857 INFO L130 BoogieDeclarations]: Found specification of procedure register_netdev [2020-10-13 21:35:14,857 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_netdev_18 [2020-10-13 21:35:14,857 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2020-10-13 21:35:14,857 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev_22 [2020-10-13 21:35:14,858 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_update_features [2020-10-13 21:35:14,858 INFO L130 BoogieDeclarations]: Found specification of procedure eth_mac_addr [2020-10-13 21:35:14,858 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2020-10-13 21:35:14,858 INFO L130 BoogieDeclarations]: Found specification of procedure eth_broadcast_addr [2020-10-13 21:35:14,858 INFO L130 BoogieDeclarations]: Found specification of procedure gnttab_alloc_pages [2020-10-13 21:35:14,858 INFO L130 BoogieDeclarations]: Found specification of procedure gnttab_free_pages [2020-10-13 21:35:14,858 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_schedulable [2020-10-13 21:35:14,858 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_queue_stopped [2020-10-13 21:35:14,858 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_wake_queue [2020-10-13 21:35:14,859 INFO L130 BoogieDeclarations]: Found specification of procedure kthread_create_on_node [2020-10-13 21:35:14,859 INFO L130 BoogieDeclarations]: Found specification of procedure kthread_stop [2020-10-13 21:35:14,859 INFO L130 BoogieDeclarations]: Found specification of procedure bind_interdomain_evtchn_to_irqhandler [2020-10-13 21:35:14,859 INFO L130 BoogieDeclarations]: Found specification of procedure unbind_from_irqhandler [2020-10-13 21:35:14,859 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_tx_interrupt [2020-10-13 21:35:14,859 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_poll [2020-10-13 21:35:14,859 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_rx_interrupt [2020-10-13 21:35:14,859 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_start_xmit [2020-10-13 21:35:14,860 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_get_stats [2020-10-13 21:35:14,860 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_up [2020-10-13 21:35:14,860 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_down [2020-10-13 21:35:14,860 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_open [2020-10-13 21:35:14,860 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_close [2020-10-13 21:35:14,860 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_change_mtu [2020-10-13 21:35:14,860 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_fix_features [2020-10-13 21:35:14,860 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_get_sset_count [2020-10-13 21:35:14,860 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_get_ethtool_stats [2020-10-13 21:35:14,861 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_get_strings [2020-10-13 21:35:14,861 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ndo_init_2 [2020-10-13 21:35:14,861 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ndo_uninit_2 [2020-10-13 21:35:14,861 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2020-10-13 21:35:14,861 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2020-10-13 21:35:14,861 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_try_module_get [2020-10-13 21:35:14,861 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put_and_exit [2020-10-13 21:35:14,861 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_refcount [2020-10-13 21:35:14,861 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2020-10-13 21:35:14,862 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ushort [2020-10-13 21:35:14,862 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2020-10-13 21:35:14,862 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2020-10-13 21:35:14,862 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-13 21:35:14,862 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-13 21:35:14,862 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-13 21:35:14,862 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-10-13 21:35:14,862 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2020-10-13 21:35:14,863 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-13 21:35:14,863 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2020-10-13 21:35:14,863 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2020-10-13 21:35:14,863 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2020-10-13 21:35:21,790 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2020-10-13 21:35:45,208 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_module_put_and_exitFINAL: assume true; [2020-10-13 21:35:46,245 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-13 21:35:46,245 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-13 21:35:46,264 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 09:35:46 BoogieIcfgContainer [2020-10-13 21:35:46,264 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-13 21:35:46,266 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-13 21:35:46,266 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-13 21:35:46,269 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-13 21:35:46,269 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 09:35:07" (1/3) ... [2020-10-13 21:35:46,271 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@49e63c68 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 09:35:46, skipping insertion in model container [2020-10-13 21:35:46,272 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:35:14" (2/3) ... [2020-10-13 21:35:46,272 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@49e63c68 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 09:35:46, skipping insertion in model container [2020-10-13 21:35:46,272 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 09:35:46" (3/3) ... [2020-10-13 21:35:46,274 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 [2020-10-13 21:35:46,287 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-13 21:35:46,311 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-13 21:35:46,331 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-13 21:35:46,375 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-13 21:35:46,375 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-13 21:35:46,375 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-13 21:35:46,375 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-13 21:35:46,375 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-13 21:35:46,375 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-13 21:35:46,375 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-13 21:35:46,376 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-13 21:35:46,457 INFO L276 IsEmpty]: Start isEmpty. Operand 3347 states. [2020-10-13 21:35:46,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-10-13 21:35:46,468 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 21:35:46,468 INFO L422 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, 1] [2020-10-13 21:35:46,469 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 21:35:46,474 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 21:35:46,474 INFO L82 PathProgramCache]: Analyzing trace with hash 744900281, now seen corresponding path program 1 times [2020-10-13 21:35:46,481 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 21:35:46,481 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1593458503] [2020-10-13 21:35:46,481 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 21:35:47,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 21:35:48,217 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 21:36:03,424 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 21:36:03,424 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-10-13 21:36:03,424 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 21:36:03,425 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15938 [2020-10-13 21:36:03,426 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 21:36:03,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 21:36:03,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 21:36:03,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 35 [2020-10-13 21:36:03,427 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-13 21:36:13,197 WARN L193 SmtUtils]: Spent 9.34 s on a formula simplification that was a NOOP. DAG size: 1576 [2020-10-13 21:36:13,204 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 21:36:13,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 21:36:13,547 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 21:36:19,173 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 21:36:19,173 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 21:36:19,174 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 21:36:19,174 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5808 [2020-10-13 21:36:19,174 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 21:36:19,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 21:36:19,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 21:36:19,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-13 21:36:19,175 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 21:36:19,623 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 21:36:19,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 21:36:19,635 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 21:36:19,643 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 21:36:19,644 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 21:36:19,644 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 21:36:19,644 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-13 21:36:19,644 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 21:36:19,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 21:36:19,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 21:36:19,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-13 21:36:19,645 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 21:36:19,700 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 21:36:19,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 21:36:19,720 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 21:36:19,737 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 21:36:19,737 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 21:36:19,737 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 21:36:19,738 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-10-13 21:36:19,738 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 21:36:19,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 21:36:19,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 21:36:19,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 21:36:19,739 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 21:36:19,794 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 21:36:19,795 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1593458503] [2020-10-13 21:36:19,797 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 21:36:19,797 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-13 21:36:19,799 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1284481939] [2020-10-13 21:36:19,806 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 21:36:19,806 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 21:36:19,821 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 21:36:19,823 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 21:36:19,826 INFO L87 Difference]: Start difference. First operand 3347 states. Second operand 5 states. [2020-10-13 21:36:32,084 WARN L193 SmtUtils]: Spent 9.52 s on a formula simplification that was a NOOP. DAG size: 1579 [2020-10-13 21:38:27,668 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 21:38:27,669 INFO L93 Difference]: Finished difference Result 5629 states and 7546 transitions. [2020-10-13 21:38:27,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-13 21:38:27,672 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 30 [2020-10-13 21:38:27,672 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 21:38:27,733 INFO L225 Difference]: With dead ends: 5629 [2020-10-13 21:38:27,733 INFO L226 Difference]: Without dead ends: 3838 [2020-10-13 21:38:27,751 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 2 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 19.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-10-13 21:38:27,783 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3838 states. [2020-10-13 21:38:29,699 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3838 to 3376. [2020-10-13 21:38:29,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3376 states. [2020-10-13 21:38:29,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3376 states to 3376 states and 4298 transitions. [2020-10-13 21:38:29,730 INFO L78 Accepts]: Start accepts. Automaton has 3376 states and 4298 transitions. Word has length 30 [2020-10-13 21:38:29,731 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 21:38:29,731 INFO L479 AbstractCegarLoop]: Abstraction has 3376 states and 4298 transitions. [2020-10-13 21:38:29,731 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 21:38:29,731 INFO L276 IsEmpty]: Start isEmpty. Operand 3376 states and 4298 transitions. [2020-10-13 21:38:29,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2020-10-13 21:38:29,749 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 21:38:29,750 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 21:38:29,750 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-13 21:38:29,750 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 21:38:29,751 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 21:38:29,751 INFO L82 PathProgramCache]: Analyzing trace with hash 891316398, now seen corresponding path program 1 times [2020-10-13 21:38:29,751 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 21:38:29,751 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1265253214] [2020-10-13 21:38:29,752 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 21:38:30,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 21:38:30,419 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 21:38:31,632 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 21:38:42,152 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 21:38:42,152 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 193 [2020-10-13 21:38:42,153 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 21:38:42,153 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12037 [2020-10-13 21:38:42,154 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 21:38:42,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 21:38:42,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-13 21:38:42,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-13 21:38:42,155 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1