java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --traceabstraction.trace.refinement.strategy SIFA_TAIPAN --sifa.abstract.domain CompoundDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--hippi--rrunner.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f4eb214f-m [2019-10-13 22:51:11,691 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-13 22:51:11,694 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-13 22:51:11,710 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-13 22:51:11,710 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-13 22:51:11,712 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-13 22:51:11,714 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-13 22:51:11,723 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-13 22:51:11,727 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-13 22:51:11,730 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-13 22:51:11,731 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-13 22:51:11,733 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-13 22:51:11,733 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-13 22:51:11,734 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-13 22:51:11,737 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-13 22:51:11,738 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-13 22:51:11,739 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-13 22:51:11,741 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-13 22:51:11,742 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-13 22:51:11,746 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-13 22:51:11,750 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-13 22:51:11,753 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-13 22:51:11,755 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-13 22:51:11,756 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-13 22:51:11,758 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-13 22:51:11,758 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-13 22:51:11,758 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-13 22:51:11,760 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-13 22:51:11,761 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-13 22:51:11,762 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-13 22:51:11,762 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-13 22:51:11,763 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-13 22:51:11,763 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-13 22:51:11,764 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-13 22:51:11,765 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-13 22:51:11,765 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-13 22:51:11,766 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-13 22:51:11,766 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-13 22:51:11,766 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-13 22:51:11,767 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-13 22:51:11,768 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-13 22:51:11,769 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-13 22:51:11,799 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-13 22:51:11,799 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-13 22:51:11,801 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-13 22:51:11,801 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-13 22:51:11,801 INFO L138 SettingsManager]: * Use SBE=true [2019-10-13 22:51:11,805 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-13 22:51:11,805 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-13 22:51:11,805 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-13 22:51:11,805 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-13 22:51:11,806 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-13 22:51:11,806 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-13 22:51:11,806 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-13 22:51:11,806 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-13 22:51:11,806 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-13 22:51:11,806 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-13 22:51:11,807 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-13 22:51:11,807 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-13 22:51:11,807 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-13 22:51:11,807 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-13 22:51:11,808 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-13 22:51:11,808 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-13 22:51:11,808 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 22:51:11,808 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-13 22:51:11,808 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-13 22:51:11,809 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-13 22:51:11,809 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-13 22:51:11,809 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-13 22:51:11,809 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-13 22:51:11,809 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> SIFA_TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> CompoundDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK [2019-10-13 22:51:12,080 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-13 22:51:12,092 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-13 22:51:12,096 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-13 22:51:12,097 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-13 22:51:12,097 INFO L275 PluginConnector]: CDTParser initialized [2019-10-13 22:51:12,098 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--hippi--rrunner.ko-entry_point.cil.out.i [2019-10-13 22:51:12,157 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4895e6102/16f59e7f674c4f5ebe551f9af4125aa9/FLAG0357396a4 [2019-10-13 22:51:13,056 INFO L306 CDTParser]: Found 1 translation units. [2019-10-13 22:51:13,057 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--hippi--rrunner.ko-entry_point.cil.out.i [2019-10-13 22:51:13,110 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4895e6102/16f59e7f674c4f5ebe551f9af4125aa9/FLAG0357396a4 [2019-10-13 22:51:13,484 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4895e6102/16f59e7f674c4f5ebe551f9af4125aa9 [2019-10-13 22:51:13,492 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-13 22:51:13,494 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-13 22:51:13,495 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-13 22:51:13,495 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-13 22:51:13,499 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-13 22:51:13,499 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 10:51:13" (1/1) ... [2019-10-13 22:51:13,502 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2eb2522c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:51:13, skipping insertion in model container [2019-10-13 22:51:13,502 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 10:51:13" (1/1) ... [2019-10-13 22:51:13,510 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-13 22:51:13,654 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-13 22:51:16,118 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 22:51:16,189 INFO L188 MainTranslator]: Completed pre-run [2019-10-13 22:51:16,641 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 22:51:16,966 INFO L192 MainTranslator]: Completed translation [2019-10-13 22:51:16,967 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:51:16 WrapperNode [2019-10-13 22:51:16,967 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-13 22:51:16,968 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-13 22:51:16,976 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-13 22:51:16,977 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-13 22:51:16,996 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:51:16" (1/1) ... [2019-10-13 22:51:16,997 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:51:16" (1/1) ... [2019-10-13 22:51:17,109 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:51:16" (1/1) ... [2019-10-13 22:51:17,110 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:51:16" (1/1) ... [2019-10-13 22:51:17,233 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:51:16" (1/1) ... [2019-10-13 22:51:17,254 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:51:16" (1/1) ... [2019-10-13 22:51:17,277 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:51:16" (1/1) ... [2019-10-13 22:51:17,298 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-13 22:51:17,298 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-13 22:51:17,298 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-13 22:51:17,298 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-13 22:51:17,299 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:51:16" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 22:51:17,359 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-13 22:51:17,359 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-13 22:51:17,359 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2019-10-13 22:51:17,360 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2019-10-13 22:51:17,360 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2019-10-13 22:51:17,360 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2019-10-13 22:51:17,360 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2019-10-13 22:51:17,360 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2019-10-13 22:51:17,360 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2019-10-13 22:51:17,361 INFO L138 BoogieDeclarations]: Found implementation of procedure __arch_swab32 [2019-10-13 22:51:17,361 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2019-10-13 22:51:17,361 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2019-10-13 22:51:17,361 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-10-13 22:51:17,361 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-10-13 22:51:17,362 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2019-10-13 22:51:17,362 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2019-10-13 22:51:17,362 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2019-10-13 22:51:17,362 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ptr [2019-10-13 22:51:17,362 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2019-10-13 22:51:17,365 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2019-10-13 22:51:17,365 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2019-10-13 22:51:17,366 INFO L138 BoogieDeclarations]: Found implementation of procedure rep_nop [2019-10-13 22:51:17,366 INFO L138 BoogieDeclarations]: Found implementation of procedure cpu_relax [2019-10-13 22:51:17,366 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2019-10-13 22:51:17,366 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_5 [2019-10-13 22:51:17,367 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_9 [2019-10-13 22:51:17,369 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_12 [2019-10-13 22:51:17,369 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2019-10-13 22:51:17,369 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2019-10-13 22:51:17,370 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2019-10-13 22:51:17,370 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2019-10-13 22:51:17,370 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_byte [2019-10-13 22:51:17,370 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_byte [2019-10-13 22:51:17,370 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2019-10-13 22:51:17,424 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2019-10-13 22:51:17,425 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2019-10-13 22:51:17,425 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2019-10-13 22:51:17,425 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2019-10-13 22:51:17,425 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_sync_single_for_cpu [2019-10-13 22:51:17,426 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_sync_single_for_device [2019-10-13 22:51:17,426 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2019-10-13 22:51:17,426 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2019-10-13 22:51:17,426 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2019-10-13 22:51:17,426 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2019-10-13 22:51:17,426 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_sync_single_for_cpu [2019-10-13 22:51:17,427 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_sync_single_for_device [2019-10-13 22:51:17,427 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2019-10-13 22:51:17,427 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_drvdata [2019-10-13 22:51:17,427 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2019-10-13 22:51:17,427 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2019-10-13 22:51:17,427 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headroom [2019-10-13 22:51:17,427 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2019-10-13 22:51:17,428 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2019-10-13 22:51:17,428 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_alloc_skb [2019-10-13 22:51:17,428 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_copy_from_linear_data [2019-10-13 22:51:17,428 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2019-10-13 22:51:17,428 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2019-10-13 22:51:17,428 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2019-10-13 22:51:17,429 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2019-10-13 22:51:17,429 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2019-10-13 22:51:17,429 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2019-10-13 22:51:17,429 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2019-10-13 22:51:17,429 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2019-10-13 22:51:17,429 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_queue_stopped [2019-10-13 22:51:17,429 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_queue_stopped [2019-10-13 22:51:17,430 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_irq [2019-10-13 22:51:17,430 INFO L138 BoogieDeclarations]: Found implementation of procedure set_rraddr [2019-10-13 22:51:17,430 INFO L138 BoogieDeclarations]: Found implementation of procedure set_rxaddr [2019-10-13 22:51:17,431 INFO L138 BoogieDeclarations]: Found implementation of procedure set_infoaddr [2019-10-13 22:51:17,431 INFO L138 BoogieDeclarations]: Found implementation of procedure rr_init_one [2019-10-13 22:51:17,431 INFO L138 BoogieDeclarations]: Found implementation of procedure rr_remove_one [2019-10-13 22:51:17,431 INFO L138 BoogieDeclarations]: Found implementation of procedure rr_issue_cmd [2019-10-13 22:51:17,431 INFO L138 BoogieDeclarations]: Found implementation of procedure rr_reset [2019-10-13 22:51:17,432 INFO L138 BoogieDeclarations]: Found implementation of procedure rr_read_eeprom [2019-10-13 22:51:17,432 INFO L138 BoogieDeclarations]: Found implementation of procedure rr_read_eeprom_word [2019-10-13 22:51:17,433 INFO L138 BoogieDeclarations]: Found implementation of procedure write_eeprom [2019-10-13 22:51:17,434 INFO L138 BoogieDeclarations]: Found implementation of procedure rr_init [2019-10-13 22:51:17,434 INFO L138 BoogieDeclarations]: Found implementation of procedure rr_init1 [2019-10-13 22:51:17,434 INFO L138 BoogieDeclarations]: Found implementation of procedure rr_handle_event [2019-10-13 22:51:17,434 INFO L138 BoogieDeclarations]: Found implementation of procedure rx_int [2019-10-13 22:51:17,435 INFO L138 BoogieDeclarations]: Found implementation of procedure rr_interrupt [2019-10-13 22:51:17,435 INFO L138 BoogieDeclarations]: Found implementation of procedure rr_raz_tx [2019-10-13 22:51:17,435 INFO L138 BoogieDeclarations]: Found implementation of procedure rr_raz_rx [2019-10-13 22:51:17,435 INFO L138 BoogieDeclarations]: Found implementation of procedure rr_timer [2019-10-13 22:51:17,436 INFO L138 BoogieDeclarations]: Found implementation of procedure rr_open [2019-10-13 22:51:17,436 INFO L138 BoogieDeclarations]: Found implementation of procedure rr_dump [2019-10-13 22:51:17,436 INFO L138 BoogieDeclarations]: Found implementation of procedure rr_close [2019-10-13 22:51:17,437 INFO L138 BoogieDeclarations]: Found implementation of procedure rr_start_xmit [2019-10-13 22:51:17,437 INFO L138 BoogieDeclarations]: Found implementation of procedure rr_load_firmware [2019-10-13 22:51:17,437 INFO L138 BoogieDeclarations]: Found implementation of procedure rr_ioctl [2019-10-13 22:51:17,437 INFO L138 BoogieDeclarations]: Found implementation of procedure rr_driver_init [2019-10-13 22:51:17,437 INFO L138 BoogieDeclarations]: Found implementation of procedure rr_driver_exit [2019-10-13 22:51:17,437 INFO L138 BoogieDeclarations]: Found implementation of procedure choose_timer_2 [2019-10-13 22:51:17,437 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_2 [2019-10-13 22:51:17,438 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_2 [2019-10-13 22:51:17,438 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_2 [2019-10-13 22:51:17,438 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_irq_1 [2019-10-13 22:51:17,438 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_check_1 [2019-10-13 22:51:17,438 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_irq_1 [2019-10-13 22:51:17,438 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2019-10-13 22:51:17,438 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pci_driver_3 [2019-10-13 22:51:17,439 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_net_device_ops_4 [2019-10-13 22:51:17,439 INFO L138 BoogieDeclarations]: Found implementation of procedure choose_interrupt_1 [2019-10-13 22:51:17,439 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-13 22:51:17,439 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2019-10-13 22:51:17,439 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2019-10-13 22:51:17,439 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2019-10-13 22:51:17,439 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2019-10-13 22:51:17,440 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kmem_cache_alloc_20 [2019-10-13 22:51:17,440 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_skb [2019-10-13 22:51:17,440 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pskb_expand_head_26 [2019-10-13 22:51:17,440 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_clone_28 [2019-10-13 22:51:17,440 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_copy_30 [2019-10-13 22:51:17,440 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___netdev_alloc_skb_31 [2019-10-13 22:51:17,441 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___netdev_alloc_skb_32 [2019-10-13 22:51:17,441 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___netdev_alloc_skb_33 [2019-10-13 22:51:17,441 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pskb_expand_head_34 [2019-10-13 22:51:17,441 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pskb_expand_head_35 [2019-10-13 22:51:17,441 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_clone_36 [2019-10-13 22:51:17,441 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_netdev_37 [2019-10-13 22:51:17,442 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev_38 [2019-10-13 22:51:17,442 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev_39 [2019-10-13 22:51:17,442 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev_40 [2019-10-13 22:51:17,442 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq_41 [2019-10-13 22:51:17,443 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync_42 [2019-10-13 22:51:17,443 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq_43 [2019-10-13 22:51:17,443 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___pci_register_driver_44 [2019-10-13 22:51:17,443 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pci_unregister_driver_45 [2019-10-13 22:51:17,444 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2019-10-13 22:51:17,444 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2019-10-13 22:51:17,444 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2019-10-13 22:51:17,444 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2019-10-13 22:51:17,444 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2019-10-13 22:51:17,445 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2019-10-13 22:51:17,445 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags_and_return_some_page [2019-10-13 22:51:17,445 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_nonatomic [2019-10-13 22:51:17,447 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2019-10-13 22:51:17,447 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2019-10-13 22:51:17,447 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock [2019-10-13 22:51:17,447 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2019-10-13 22:51:17,447 INFO L138 BoogieDeclarations]: Found implementation of procedure __copy_from_user_overflow [2019-10-13 22:51:17,447 INFO L138 BoogieDeclarations]: Found implementation of procedure __copy_to_user_overflow [2019-10-13 22:51:17,447 INFO L138 BoogieDeclarations]: Found implementation of procedure __dev_kfree_skb_irq [2019-10-13 22:51:17,448 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_fault [2019-10-13 22:51:17,453 INFO L138 BoogieDeclarations]: Found implementation of procedure __pci_register_driver [2019-10-13 22:51:17,453 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2019-10-13 22:51:17,454 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2019-10-13 22:51:17,454 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2019-10-13 22:51:17,454 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2019-10-13 22:51:17,454 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock [2019-10-13 22:51:17,454 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock [2019-10-13 22:51:17,454 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irqrestore [2019-10-13 22:51:17,454 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2019-10-13 22:51:17,454 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_hippi_dev [2019-10-13 22:51:17,455 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2019-10-13 22:51:17,455 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2019-10-13 22:51:17,455 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2019-10-13 22:51:17,455 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_sync_single_for_cpu [2019-10-13 22:51:17,455 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_sync_single_for_device [2019-10-13 22:51:17,455 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2019-10-13 22:51:17,455 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2019-10-13 22:51:17,455 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2019-10-13 22:51:17,456 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2019-10-13 22:51:17,456 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2019-10-13 22:51:17,456 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2019-10-13 22:51:17,456 INFO L138 BoogieDeclarations]: Found implementation of procedure hippi_change_mtu [2019-10-13 22:51:17,457 INFO L138 BoogieDeclarations]: Found implementation of procedure hippi_mac_addr [2019-10-13 22:51:17,457 INFO L138 BoogieDeclarations]: Found implementation of procedure hippi_type_trans [2019-10-13 22:51:17,457 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-10-13 22:51:17,457 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-10-13 22:51:17,457 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ndo_init_4 [2019-10-13 22:51:17,457 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ndo_uninit_4 [2019-10-13 22:51:17,457 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_shutdown_3 [2019-10-13 22:51:17,457 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_some_page [2019-10-13 22:51:17,458 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_rx [2019-10-13 22:51:17,458 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_wake_queue [2019-10-13 22:51:17,458 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_bus_read_config_byte [2019-10-13 22:51:17,458 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_bus_write_config_byte [2019-10-13 22:51:17,458 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2019-10-13 22:51:17,458 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2019-10-13 22:51:17,458 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iomap [2019-10-13 22:51:17,459 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2019-10-13 22:51:17,459 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2019-10-13 22:51:17,459 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_request_regions [2019-10-13 22:51:17,459 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2019-10-13 22:51:17,459 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unregister_driver [2019-10-13 22:51:17,459 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2019-10-13 22:51:17,459 INFO L138 BoogieDeclarations]: Found implementation of procedure register_netdev [2019-10-13 22:51:17,460 INFO L138 BoogieDeclarations]: Found implementation of procedure request_threaded_irq [2019-10-13 22:51:17,460 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_push [2019-10-13 22:51:17,460 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2019-10-13 22:51:17,460 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2019-10-13 22:51:17,460 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-10-13 22:51:17,460 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-10-13 22:51:17,461 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-10-13 22:51:17,461 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-10-13 22:51:17,461 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-10-13 22:51:17,461 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-13 22:51:17,461 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2019-10-13 22:51:17,461 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2019-10-13 22:51:17,461 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2019-10-13 22:51:17,461 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2019-10-13 22:51:17,462 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-13 22:51:17,462 INFO L130 BoogieDeclarations]: Found specification of procedure __arch_swab32 [2019-10-13 22:51:17,463 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2019-10-13 22:51:17,463 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2019-10-13 22:51:17,463 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2019-10-13 22:51:17,463 INFO L130 BoogieDeclarations]: Found specification of procedure __might_fault [2019-10-13 22:51:17,464 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2019-10-13 22:51:17,465 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2019-10-13 22:51:17,465 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-13 22:51:17,465 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-10-13 22:51:17,465 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-10-13 22:51:17,465 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-13 22:51:17,465 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-10-13 22:51:17,465 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-10-13 22:51:17,465 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-10-13 22:51:17,466 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-10-13 22:51:17,466 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-13 22:51:17,466 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-10-13 22:51:17,466 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-10-13 22:51:17,466 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2019-10-13 22:51:17,466 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2019-10-13 22:51:17,466 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-10-13 22:51:17,467 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2019-10-13 22:51:17,467 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ptr [2019-10-13 22:51:17,467 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2019-10-13 22:51:17,467 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2019-10-13 22:51:17,467 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2019-10-13 22:51:17,467 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-10-13 22:51:17,467 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2019-10-13 22:51:17,467 INFO L130 BoogieDeclarations]: Found specification of procedure rep_nop [2019-10-13 22:51:17,468 INFO L130 BoogieDeclarations]: Found specification of procedure cpu_relax [2019-10-13 22:51:17,468 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2019-10-13 22:51:17,468 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock [2019-10-13 22:51:17,468 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock [2019-10-13 22:51:17,468 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore [2019-10-13 22:51:17,468 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2019-10-13 22:51:17,468 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_5 [2019-10-13 22:51:17,468 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2019-10-13 22:51:17,469 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_9 [2019-10-13 22:51:17,469 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2019-10-13 22:51:17,469 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_12 [2019-10-13 22:51:17,469 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2019-10-13 22:51:17,469 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2019-10-13 22:51:17,469 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2019-10-13 22:51:17,469 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync_42 [2019-10-13 22:51:17,469 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2019-10-13 22:51:17,469 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2019-10-13 22:51:17,470 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2019-10-13 22:51:17,470 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iomap [2019-10-13 22:51:17,470 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2019-10-13 22:51:17,470 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-10-13 22:51:17,470 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kmem_cache_alloc_20 [2019-10-13 22:51:17,470 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2019-10-13 22:51:17,470 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2019-10-13 22:51:17,471 INFO L130 BoogieDeclarations]: Found specification of procedure choose_timer_2 [2019-10-13 22:51:17,471 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_2 [2019-10-13 22:51:17,471 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_2 [2019-10-13 22:51:17,471 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_2 [2019-10-13 22:51:17,471 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_irq_1 [2019-10-13 22:51:17,471 INFO L130 BoogieDeclarations]: Found specification of procedure reg_check_1 [2019-10-13 22:51:17,474 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_irq_1 [2019-10-13 22:51:17,475 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2019-10-13 22:51:17,475 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pci_driver_3 [2019-10-13 22:51:17,476 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_net_device_ops_4 [2019-10-13 22:51:17,476 INFO L130 BoogieDeclarations]: Found specification of procedure choose_interrupt_1 [2019-10-13 22:51:17,476 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2019-10-13 22:51:17,476 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-13 22:51:17,476 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2019-10-13 22:51:17,476 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-13 22:51:17,477 INFO L130 BoogieDeclarations]: Found specification of procedure pci_bus_read_config_byte [2019-10-13 22:51:17,478 INFO L130 BoogieDeclarations]: Found specification of procedure pci_bus_write_config_byte [2019-10-13 22:51:17,479 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_byte [2019-10-13 22:51:17,479 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_byte [2019-10-13 22:51:17,479 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2019-10-13 22:51:17,479 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2019-10-13 22:51:17,479 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2019-10-13 22:51:17,479 INFO L130 BoogieDeclarations]: Found specification of procedure pci_request_regions [2019-10-13 22:51:17,479 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2019-10-13 22:51:17,480 INFO L130 BoogieDeclarations]: Found specification of procedure __pci_register_driver [2019-10-13 22:51:17,480 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___pci_register_driver_44 [2019-10-13 22:51:17,480 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unregister_driver [2019-10-13 22:51:17,480 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pci_unregister_driver_45 [2019-10-13 22:51:17,481 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2019-10-13 22:51:17,481 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2019-10-13 22:51:17,481 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2019-10-13 22:51:17,481 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2019-10-13 22:51:17,481 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_sync_single_for_cpu [2019-10-13 22:51:17,481 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_sync_single_for_device [2019-10-13 22:51:17,481 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2019-10-13 22:51:17,481 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2019-10-13 22:51:17,481 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2019-10-13 22:51:17,482 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2019-10-13 22:51:17,482 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2019-10-13 22:51:17,482 INFO L130 BoogieDeclarations]: Found specification of procedure dma_sync_single_for_cpu [2019-10-13 22:51:17,482 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2019-10-13 22:51:17,482 INFO L130 BoogieDeclarations]: Found specification of procedure dma_sync_single_for_device [2019-10-13 22:51:17,482 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2019-10-13 22:51:17,482 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2019-10-13 22:51:17,482 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2019-10-13 22:51:17,482 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2019-10-13 22:51:17,483 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2019-10-13 22:51:17,483 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2019-10-13 22:51:17,483 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_sync_single_for_cpu [2019-10-13 22:51:17,483 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_sync_single_for_device [2019-10-13 22:51:17,483 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2019-10-13 22:51:17,483 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_drvdata [2019-10-13 22:51:17,483 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2019-10-13 22:51:17,483 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2019-10-13 22:51:17,484 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2019-10-13 22:51:17,484 INFO L130 BoogieDeclarations]: Found specification of procedure __copy_from_user_overflow [2019-10-13 22:51:17,484 INFO L130 BoogieDeclarations]: Found specification of procedure __copy_to_user_overflow [2019-10-13 22:51:17,484 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2019-10-13 22:51:17,484 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-13 22:51:17,484 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2019-10-13 22:51:17,484 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2019-10-13 22:51:17,484 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_skb [2019-10-13 22:51:17,484 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_clone_28 [2019-10-13 22:51:17,485 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_clone_36 [2019-10-13 22:51:17,485 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_copy_30 [2019-10-13 22:51:17,485 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pskb_expand_head_26 [2019-10-13 22:51:17,485 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pskb_expand_head_34 [2019-10-13 22:51:17,485 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pskb_expand_head_35 [2019-10-13 22:51:17,485 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2019-10-13 22:51:17,485 INFO L130 BoogieDeclarations]: Found specification of procedure skb_push [2019-10-13 22:51:17,485 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headroom [2019-10-13 22:51:17,486 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2019-10-13 22:51:17,486 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-13 22:51:17,486 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___netdev_alloc_skb_31 [2019-10-13 22:51:17,486 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___netdev_alloc_skb_32 [2019-10-13 22:51:17,486 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___netdev_alloc_skb_33 [2019-10-13 22:51:17,486 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2019-10-13 22:51:17,486 INFO L130 BoogieDeclarations]: Found specification of procedure dev_alloc_skb [2019-10-13 22:51:17,486 INFO L130 BoogieDeclarations]: Found specification of procedure skb_copy_from_linear_data [2019-10-13 22:51:17,487 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-10-13 22:51:17,487 INFO L130 BoogieDeclarations]: Found specification of procedure request_threaded_irq [2019-10-13 22:51:17,487 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2019-10-13 22:51:17,487 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq_41 [2019-10-13 22:51:17,487 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2019-10-13 22:51:17,487 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq_43 [2019-10-13 22:51:17,487 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2019-10-13 22:51:17,487 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2019-10-13 22:51:17,488 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2019-10-13 22:51:17,488 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev_38 [2019-10-13 22:51:17,488 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev_40 [2019-10-13 22:51:17,488 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2019-10-13 22:51:17,488 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2019-10-13 22:51:17,488 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_wake_queue [2019-10-13 22:51:17,488 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2019-10-13 22:51:17,488 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2019-10-13 22:51:17,488 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2019-10-13 22:51:17,489 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_queue_stopped [2019-10-13 22:51:17,489 INFO L130 BoogieDeclarations]: Found specification of procedure netif_queue_stopped [2019-10-13 22:51:17,489 INFO L130 BoogieDeclarations]: Found specification of procedure __dev_kfree_skb_irq [2019-10-13 22:51:17,489 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_irq [2019-10-13 22:51:17,489 INFO L130 BoogieDeclarations]: Found specification of procedure netif_rx [2019-10-13 22:51:17,489 INFO L130 BoogieDeclarations]: Found specification of procedure register_netdev [2019-10-13 22:51:17,489 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_netdev_37 [2019-10-13 22:51:17,489 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2019-10-13 22:51:17,489 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev_39 [2019-10-13 22:51:17,490 INFO L130 BoogieDeclarations]: Found specification of procedure hippi_type_trans [2019-10-13 22:51:17,490 INFO L130 BoogieDeclarations]: Found specification of procedure hippi_change_mtu [2019-10-13 22:51:17,490 INFO L130 BoogieDeclarations]: Found specification of procedure hippi_mac_addr [2019-10-13 22:51:17,490 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_hippi_dev [2019-10-13 22:51:17,490 INFO L130 BoogieDeclarations]: Found specification of procedure set_rraddr [2019-10-13 22:51:17,490 INFO L130 BoogieDeclarations]: Found specification of procedure set_rxaddr [2019-10-13 22:51:17,490 INFO L130 BoogieDeclarations]: Found specification of procedure set_infoaddr [2019-10-13 22:51:17,490 INFO L130 BoogieDeclarations]: Found specification of procedure rr_init [2019-10-13 22:51:17,491 INFO L130 BoogieDeclarations]: Found specification of procedure rr_init1 [2019-10-13 22:51:17,491 INFO L130 BoogieDeclarations]: Found specification of procedure rr_interrupt [2019-10-13 22:51:17,491 INFO L130 BoogieDeclarations]: Found specification of procedure rr_open [2019-10-13 22:51:17,491 INFO L130 BoogieDeclarations]: Found specification of procedure rr_start_xmit [2019-10-13 22:51:17,491 INFO L130 BoogieDeclarations]: Found specification of procedure rr_close [2019-10-13 22:51:17,491 INFO L130 BoogieDeclarations]: Found specification of procedure rr_ioctl [2019-10-13 22:51:17,491 INFO L130 BoogieDeclarations]: Found specification of procedure rr_read_eeprom [2019-10-13 22:51:17,491 INFO L130 BoogieDeclarations]: Found specification of procedure rr_read_eeprom_word [2019-10-13 22:51:17,491 INFO L130 BoogieDeclarations]: Found specification of procedure rr_load_firmware [2019-10-13 22:51:17,492 INFO L130 BoogieDeclarations]: Found specification of procedure rr_raz_tx [2019-10-13 22:51:17,492 INFO L130 BoogieDeclarations]: Found specification of procedure rr_raz_rx [2019-10-13 22:51:17,492 INFO L130 BoogieDeclarations]: Found specification of procedure rr_init_one [2019-10-13 22:51:17,492 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-13 22:51:17,492 INFO L130 BoogieDeclarations]: Found specification of procedure rr_remove_one [2019-10-13 22:51:17,492 INFO L130 BoogieDeclarations]: Found specification of procedure rr_issue_cmd [2019-10-13 22:51:17,492 INFO L130 BoogieDeclarations]: Found specification of procedure rr_reset [2019-10-13 22:51:17,492 INFO L130 BoogieDeclarations]: Found specification of procedure write_eeprom [2019-10-13 22:51:17,493 INFO L130 BoogieDeclarations]: Found specification of procedure rr_handle_event [2019-10-13 22:51:17,493 INFO L130 BoogieDeclarations]: Found specification of procedure rx_int [2019-10-13 22:51:17,493 INFO L130 BoogieDeclarations]: Found specification of procedure rr_timer [2019-10-13 22:51:17,495 INFO L130 BoogieDeclarations]: Found specification of procedure rr_dump [2019-10-13 22:51:17,496 INFO L130 BoogieDeclarations]: Found specification of procedure rr_driver_init [2019-10-13 22:51:17,496 INFO L130 BoogieDeclarations]: Found specification of procedure rr_driver_exit [2019-10-13 22:51:17,496 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ndo_init_4 [2019-10-13 22:51:17,496 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_shutdown_3 [2019-10-13 22:51:17,496 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-10-13 22:51:17,496 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ndo_uninit_4 [2019-10-13 22:51:17,496 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-10-13 22:51:17,497 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2019-10-13 22:51:17,498 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-13 22:51:17,498 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2019-10-13 22:51:17,498 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2019-10-13 22:51:17,498 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2019-10-13 22:51:17,499 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2019-10-13 22:51:17,499 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2019-10-13 22:51:17,499 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_some_page [2019-10-13 22:51:17,499 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags_and_return_some_page [2019-10-13 22:51:17,499 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_nonatomic [2019-10-13 22:51:17,499 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock [2019-10-13 22:51:17,499 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-10-13 22:51:17,499 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-10-13 22:51:17,500 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ushort [2019-10-13 22:51:17,500 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-13 22:51:17,500 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-13 22:51:17,500 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-13 22:51:17,500 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-10-13 22:51:17,500 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-13 22:51:17,500 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-10-13 22:51:17,500 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-10-13 22:51:17,500 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2019-10-13 22:51:17,501 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2019-10-13 22:51:18,492 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2019-10-13 22:51:46,494 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-13 22:51:46,494 INFO L284 CfgBuilder]: Removed 0 assume(true) statements. [2019-10-13 22:51:46,496 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 10:51:46 BoogieIcfgContainer [2019-10-13 22:51:46,496 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-13 22:51:46,497 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-13 22:51:46,498 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-13 22:51:46,501 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-13 22:51:46,501 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 10:51:13" (1/3) ... [2019-10-13 22:51:46,501 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@583ddb4e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 10:51:46, skipping insertion in model container [2019-10-13 22:51:46,502 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:51:16" (2/3) ... [2019-10-13 22:51:46,502 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@583ddb4e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 10:51:46, skipping insertion in model container [2019-10-13 22:51:46,502 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 10:51:46" (3/3) ... [2019-10-13 22:51:46,504 INFO L109 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--net--hippi--rrunner.ko-entry_point.cil.out.i [2019-10-13 22:51:46,512 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-13 22:51:46,520 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-13 22:51:46,529 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-13 22:51:46,563 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-13 22:51:46,563 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-13 22:51:46,563 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-13 22:51:46,563 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-13 22:51:46,563 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-13 22:51:46,563 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-13 22:51:46,563 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-13 22:51:46,564 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-13 22:51:46,608 INFO L276 IsEmpty]: Start isEmpty. Operand 1443 states. [2019-10-13 22:51:46,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2019-10-13 22:51:46,623 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 22:51:46,624 INFO L380 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 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] [2019-10-13 22:51:46,626 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 22:51:46,630 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 22:51:46,630 INFO L82 PathProgramCache]: Analyzing trace with hash 1590749154, now seen corresponding path program 1 times [2019-10-13 22:51:46,637 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 22:51:46,637 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1493193120] [2019-10-13 22:51:46,637 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:51:46,637 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:51:46,638 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 22:51:47,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 22:51:47,448 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2019-10-13 22:51:47,448 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1493193120] [2019-10-13 22:51:47,449 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 22:51:47,450 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 22:51:47,450 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1684685858] [2019-10-13 22:51:47,454 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 22:51:47,455 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 22:51:47,466 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 22:51:47,466 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 22:51:47,468 INFO L87 Difference]: Start difference. First operand 1443 states. Second operand 3 states. [2019-10-13 22:51:47,986 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 22:51:47,986 INFO L93 Difference]: Finished difference Result 3724 states and 5051 transitions. [2019-10-13 22:51:47,986 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 22:51:47,988 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 83 [2019-10-13 22:51:47,989 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 22:51:48,033 INFO L225 Difference]: With dead ends: 3724 [2019-10-13 22:51:48,033 INFO L226 Difference]: Without dead ends: 2289 [2019-10-13 22:51:48,048 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 22:51:48,072 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2289 states. [2019-10-13 22:51:48,346 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2289 to 2271. [2019-10-13 22:51:48,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2271 states. [2019-10-13 22:51:48,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2271 states to 2271 states and 3050 transitions. [2019-10-13 22:51:48,367 INFO L78 Accepts]: Start accepts. Automaton has 2271 states and 3050 transitions. Word has length 83 [2019-10-13 22:51:48,368 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 22:51:48,368 INFO L462 AbstractCegarLoop]: Abstraction has 2271 states and 3050 transitions. [2019-10-13 22:51:48,368 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 22:51:48,368 INFO L276 IsEmpty]: Start isEmpty. Operand 2271 states and 3050 transitions. [2019-10-13 22:51:48,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2019-10-13 22:51:48,382 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 22:51:48,383 INFO L380 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 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] [2019-10-13 22:51:48,383 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 22:51:48,383 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 22:51:48,383 INFO L82 PathProgramCache]: Analyzing trace with hash 1844595246, now seen corresponding path program 1 times [2019-10-13 22:51:48,384 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 22:51:48,384 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1991987847] [2019-10-13 22:51:48,384 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:51:48,384 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:51:48,385 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 22:51:48,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 22:51:49,443 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2019-10-13 22:51:49,444 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1991987847] [2019-10-13 22:51:49,444 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 22:51:49,444 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-13 22:51:49,445 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1612309918] [2019-10-13 22:51:49,447 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-13 22:51:49,447 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 22:51:49,447 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-13 22:51:49,447 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-13 22:51:49,447 INFO L87 Difference]: Start difference. First operand 2271 states and 3050 transitions. Second operand 5 states. [2019-10-13 22:51:49,767 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 22:51:49,767 INFO L93 Difference]: Finished difference Result 6786 states and 9130 transitions. [2019-10-13 22:51:49,768 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-13 22:51:49,768 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 119 [2019-10-13 22:51:49,768 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 22:51:49,808 INFO L225 Difference]: With dead ends: 6786 [2019-10-13 22:51:49,808 INFO L226 Difference]: Without dead ends: 4539 [2019-10-13 22:51:49,821 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-10-13 22:51:49,827 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4539 states. [2019-10-13 22:51:50,037 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4539 to 4514. [2019-10-13 22:51:50,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4514 states. [2019-10-13 22:51:50,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4514 states to 4514 states and 6069 transitions. [2019-10-13 22:51:50,069 INFO L78 Accepts]: Start accepts. Automaton has 4514 states and 6069 transitions. Word has length 119 [2019-10-13 22:51:50,069 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 22:51:50,070 INFO L462 AbstractCegarLoop]: Abstraction has 4514 states and 6069 transitions. [2019-10-13 22:51:50,070 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-13 22:51:50,070 INFO L276 IsEmpty]: Start isEmpty. Operand 4514 states and 6069 transitions. [2019-10-13 22:51:50,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2019-10-13 22:51:50,074 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 22:51:50,074 INFO L380 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 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] [2019-10-13 22:51:50,074 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 22:51:50,074 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 22:51:50,075 INFO L82 PathProgramCache]: Analyzing trace with hash 1353225884, now seen corresponding path program 1 times [2019-10-13 22:51:50,075 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 22:51:50,075 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [83810803] [2019-10-13 22:51:50,075 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:51:50,075 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:51:50,076 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 22:51:50,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 22:51:50,390 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2019-10-13 22:51:50,390 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [83810803] [2019-10-13 22:51:50,392 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 22:51:50,392 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-13 22:51:50,393 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1289503198] [2019-10-13 22:51:50,396 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-13 22:51:50,396 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 22:51:50,396 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-13 22:51:50,396 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-13 22:51:50,397 INFO L87 Difference]: Start difference. First operand 4514 states and 6069 transitions. Second operand 5 states. [2019-10-13 22:51:50,867 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 22:51:50,867 INFO L93 Difference]: Finished difference Result 9735 states and 13053 transitions. [2019-10-13 22:51:50,867 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-13 22:51:50,868 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 120 [2019-10-13 22:51:50,868 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 22:51:50,928 INFO L225 Difference]: With dead ends: 9735 [2019-10-13 22:51:50,929 INFO L226 Difference]: Without dead ends: 6798 [2019-10-13 22:51:50,950 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-10-13 22:51:50,962 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6798 states. [2019-10-13 22:51:51,323 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6798 to 6763. [2019-10-13 22:51:51,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6763 states. [2019-10-13 22:51:51,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6763 states to 6763 states and 9090 transitions. [2019-10-13 22:51:51,361 INFO L78 Accepts]: Start accepts. Automaton has 6763 states and 9090 transitions. Word has length 120 [2019-10-13 22:51:51,361 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 22:51:51,361 INFO L462 AbstractCegarLoop]: Abstraction has 6763 states and 9090 transitions. [2019-10-13 22:51:51,361 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-13 22:51:51,361 INFO L276 IsEmpty]: Start isEmpty. Operand 6763 states and 9090 transitions. [2019-10-13 22:51:51,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2019-10-13 22:51:51,364 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 22:51:51,365 INFO L380 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 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] [2019-10-13 22:51:51,365 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 22:51:51,365 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 22:51:51,365 INFO L82 PathProgramCache]: Analyzing trace with hash -946307215, now seen corresponding path program 1 times [2019-10-13 22:51:51,366 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 22:51:51,366 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1059727643] [2019-10-13 22:51:51,366 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:51:51,366 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:51:51,366 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 22:51:51,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 22:51:51,612 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2019-10-13 22:51:51,612 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1059727643] [2019-10-13 22:51:51,612 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 22:51:51,613 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-13 22:51:51,613 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1971057302] [2019-10-13 22:51:51,613 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-13 22:51:51,613 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 22:51:51,614 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-13 22:51:51,614 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-13 22:51:51,614 INFO L87 Difference]: Start difference. First operand 6763 states and 9090 transitions. Second operand 5 states. [2019-10-13 22:51:52,046 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 22:51:52,047 INFO L93 Difference]: Finished difference Result 11994 states and 16078 transitions. [2019-10-13 22:51:52,047 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-13 22:51:52,047 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 121 [2019-10-13 22:51:52,048 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 22:51:52,085 INFO L225 Difference]: With dead ends: 11994 [2019-10-13 22:51:52,085 INFO L226 Difference]: Without dead ends: 6806 [2019-10-13 22:51:52,102 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-10-13 22:51:52,110 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6806 states.