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--ethernet--sis--sis900.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-36ac518-m [2019-10-07 12:16:15,855 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-07 12:16:15,857 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-07 12:16:15,871 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-07 12:16:15,871 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-07 12:16:15,873 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-07 12:16:15,875 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-07 12:16:15,878 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-07 12:16:15,880 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-07 12:16:15,883 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-07 12:16:15,884 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-07 12:16:15,891 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-07 12:16:15,892 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-07 12:16:15,893 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-07 12:16:15,894 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-07 12:16:15,895 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-07 12:16:15,896 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-07 12:16:15,898 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-07 12:16:15,900 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-07 12:16:15,902 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-07 12:16:15,905 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-07 12:16:15,908 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-07 12:16:15,910 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-07 12:16:15,912 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-07 12:16:15,914 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-07 12:16:15,915 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-07 12:16:15,915 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-07 12:16:15,917 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-07 12:16:15,918 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-07 12:16:15,919 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-07 12:16:15,920 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-07 12:16:15,920 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-07 12:16:15,921 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-07 12:16:15,922 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-07 12:16:15,925 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-07 12:16:15,925 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-07 12:16:15,926 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-07 12:16:15,926 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-07 12:16:15,926 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-07 12:16:15,927 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-07 12:16:15,929 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-07 12:16:15,929 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-07 12:16:15,962 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-07 12:16:15,965 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-07 12:16:15,966 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-07 12:16:15,967 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-07 12:16:15,967 INFO L138 SettingsManager]: * Use SBE=true [2019-10-07 12:16:15,967 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-07 12:16:15,967 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-07 12:16:15,967 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-07 12:16:15,968 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-07 12:16:15,968 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-07 12:16:15,968 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-07 12:16:15,969 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-07 12:16:15,969 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-07 12:16:15,969 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-07 12:16:15,970 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-07 12:16:15,970 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-07 12:16:15,970 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-07 12:16:15,970 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-07 12:16:15,970 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-07 12:16:15,971 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-07 12:16:15,971 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-07 12:16:15,971 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-07 12:16:15,972 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-07 12:16:15,972 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-07 12:16:15,972 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-07 12:16:15,972 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-07 12:16:15,972 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-07 12:16:15,973 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-07 12:16:15,973 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> SIFA_TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> CompoundDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK [2019-10-07 12:16:16,244 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-07 12:16:16,264 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-07 12:16:16,268 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-07 12:16:16,269 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-07 12:16:16,269 INFO L275 PluginConnector]: CDTParser initialized [2019-10-07 12:16:16,270 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--sis--sis900.ko-entry_point.cil.out.i [2019-10-07 12:16:16,341 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a75fcd6da/e7a06dab437942c199b393ec0fc49a34/FLAG96632d4e3 [2019-10-07 12:16:17,220 INFO L306 CDTParser]: Found 1 translation units. [2019-10-07 12:16:17,220 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--sis--sis900.ko-entry_point.cil.out.i [2019-10-07 12:16:17,266 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a75fcd6da/e7a06dab437942c199b393ec0fc49a34/FLAG96632d4e3 [2019-10-07 12:16:17,749 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a75fcd6da/e7a06dab437942c199b393ec0fc49a34 [2019-10-07 12:16:17,757 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-07 12:16:17,759 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-07 12:16:17,760 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-07 12:16:17,760 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-07 12:16:17,763 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-07 12:16:17,764 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 12:16:17" (1/1) ... [2019-10-07 12:16:17,767 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@56450df3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 12:16:17, skipping insertion in model container [2019-10-07 12:16:17,767 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 12:16:17" (1/1) ... [2019-10-07 12:16:17,775 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-07 12:16:17,963 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-07 12:16:20,537 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 12:16:20,601 INFO L188 MainTranslator]: Completed pre-run [2019-10-07 12:16:21,065 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 12:16:21,577 INFO L192 MainTranslator]: Completed translation [2019-10-07 12:16:21,577 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 12:16:21 WrapperNode [2019-10-07 12:16:21,577 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-07 12:16:21,578 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-07 12:16:21,588 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-07 12:16:21,588 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-07 12:16:21,606 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 12:16:21" (1/1) ... [2019-10-07 12:16:21,606 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 12:16:21" (1/1) ... [2019-10-07 12:16:21,724 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 12:16:21" (1/1) ... [2019-10-07 12:16:21,726 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 12:16:21" (1/1) ... [2019-10-07 12:16:21,900 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 12:16:21" (1/1) ... [2019-10-07 12:16:21,922 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 12:16:21" (1/1) ... [2019-10-07 12:16:21,953 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 12:16:21" (1/1) ... [2019-10-07 12:16:21,979 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-07 12:16:21,980 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-07 12:16:21,980 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-07 12:16:21,980 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-07 12:16:21,982 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 12:16:21" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-07 12:16:22,053 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-07 12:16:22,053 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-07 12:16:22,054 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2019-10-07 12:16:22,054 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2019-10-07 12:16:22,054 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~TO~int [2019-10-07 12:16:22,054 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2019-10-07 12:16:22,054 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2019-10-07 12:16:22,055 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2019-10-07 12:16:22,055 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2019-10-07 12:16:22,055 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-10-07 12:16:22,055 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-10-07 12:16:22,056 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2019-10-07 12:16:22,056 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2019-10-07 12:16:22,056 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2019-10-07 12:16:22,056 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ptr [2019-10-07 12:16:22,056 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2019-10-07 12:16:22,057 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2019-10-07 12:16:22,057 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2019-10-07 12:16:22,057 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2019-10-07 12:16:22,058 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_5 [2019-10-07 12:16:22,058 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_irq_8 [2019-10-07 12:16:22,058 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_9 [2019-10-07 12:16:22,059 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irq_11 [2019-10-07 12:16:22,059 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_12 [2019-10-07 12:16:22,059 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2019-10-07 12:16:22,059 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2019-10-07 12:16:22,059 INFO L138 BoogieDeclarations]: Found implementation of procedure kobject_name [2019-10-07 12:16:22,060 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2019-10-07 12:16:22,060 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2019-10-07 12:16:22,060 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2019-10-07 12:16:22,060 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2019-10-07 12:16:22,060 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_byte [2019-10-07 12:16:22,060 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_dword [2019-10-07 12:16:22,061 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_byte [2019-10-07 12:16:22,061 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_dword [2019-10-07 12:16:22,061 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2019-10-07 12:16:22,061 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2019-10-07 12:16:22,061 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2019-10-07 12:16:22,061 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2019-10-07 12:16:22,062 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2019-10-07 12:16:22,062 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2019-10-07 12:16:22,062 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2019-10-07 12:16:22,062 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2019-10-07 12:16:22,062 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2019-10-07 12:16:22,062 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2019-10-07 12:16:22,062 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_mapping_error [2019-10-07 12:16:22,062 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_dma_mask [2019-10-07 12:16:22,063 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2019-10-07 12:16:22,063 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_drvdata [2019-10-07 12:16:22,063 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2019-10-07 12:16:22,063 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2019-10-07 12:16:22,063 INFO L138 BoogieDeclarations]: Found implementation of procedure if_mii [2019-10-07 12:16:22,063 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2019-10-07 12:16:22,064 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2019-10-07 12:16:22,064 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2019-10-07 12:16:22,064 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2019-10-07 12:16:22,064 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2019-10-07 12:16:22,065 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2019-10-07 12:16:22,065 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2019-10-07 12:16:22,065 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_queue_stopped [2019-10-07 12:16:22,065 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_queue_stopped [2019-10-07 12:16:22,065 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2019-10-07 12:16:22,065 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_irq [2019-10-07 12:16:22,066 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2019-10-07 12:16:22,066 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2019-10-07 12:16:22,066 INFO L138 BoogieDeclarations]: Found implementation of procedure is_zero_ether_addr [2019-10-07 12:16:22,066 INFO L138 BoogieDeclarations]: Found implementation of procedure is_multicast_ether_addr [2019-10-07 12:16:22,066 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2019-10-07 12:16:22,067 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_random_addr [2019-10-07 12:16:22,067 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_hw_addr_random [2019-10-07 12:16:22,067 INFO L138 BoogieDeclarations]: Found implementation of procedure __bitrev8 [2019-10-07 12:16:22,067 INFO L138 BoogieDeclarations]: Found implementation of procedure __bitrev16 [2019-10-07 12:16:22,067 INFO L138 BoogieDeclarations]: Found implementation of procedure __bitrev32 [2019-10-07 12:16:22,068 INFO L138 BoogieDeclarations]: Found implementation of procedure sis900_get_mac_addr [2019-10-07 12:16:22,068 INFO L138 BoogieDeclarations]: Found implementation of procedure sis630e_get_mac_addr [2019-10-07 12:16:22,068 INFO L138 BoogieDeclarations]: Found implementation of procedure sis635_get_mac_addr [2019-10-07 12:16:22,068 INFO L138 BoogieDeclarations]: Found implementation of procedure sis96x_get_mac_addr [2019-10-07 12:16:22,068 INFO L138 BoogieDeclarations]: Found implementation of procedure sis900_probe [2019-10-07 12:16:22,068 INFO L138 BoogieDeclarations]: Found implementation of procedure sis900_mii_probe [2019-10-07 12:16:22,069 INFO L138 BoogieDeclarations]: Found implementation of procedure sis900_default_phy [2019-10-07 12:16:22,069 INFO L138 BoogieDeclarations]: Found implementation of procedure sis900_set_capability [2019-10-07 12:16:22,069 INFO L138 BoogieDeclarations]: Found implementation of procedure read_eeprom [2019-10-07 12:16:22,069 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_idle [2019-10-07 12:16:22,069 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_reset [2019-10-07 12:16:22,069 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_read [2019-10-07 12:16:22,069 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_write [2019-10-07 12:16:22,070 INFO L138 BoogieDeclarations]: Found implementation of procedure sis900_reset_phy [2019-10-07 12:16:22,070 INFO L138 BoogieDeclarations]: Found implementation of procedure sis900_poll [2019-10-07 12:16:22,070 INFO L138 BoogieDeclarations]: Found implementation of procedure sis900_open [2019-10-07 12:16:22,070 INFO L138 BoogieDeclarations]: Found implementation of procedure sis900_init_rxfilter [2019-10-07 12:16:22,070 INFO L138 BoogieDeclarations]: Found implementation of procedure sis900_init_tx_ring [2019-10-07 12:16:22,070 INFO L138 BoogieDeclarations]: Found implementation of procedure sis900_init_rx_ring [2019-10-07 12:16:22,071 INFO L138 BoogieDeclarations]: Found implementation of procedure sis630_set_eq [2019-10-07 12:16:22,071 INFO L138 BoogieDeclarations]: Found implementation of procedure sis900_timer [2019-10-07 12:16:22,071 INFO L138 BoogieDeclarations]: Found implementation of procedure sis900_check_mode [2019-10-07 12:16:22,071 INFO L138 BoogieDeclarations]: Found implementation of procedure sis900_set_mode [2019-10-07 12:16:22,072 INFO L138 BoogieDeclarations]: Found implementation of procedure sis900_auto_negotiate [2019-10-07 12:16:22,072 INFO L138 BoogieDeclarations]: Found implementation of procedure sis900_read_mode [2019-10-07 12:16:22,072 INFO L138 BoogieDeclarations]: Found implementation of procedure sis900_tx_timeout [2019-10-07 12:16:22,072 INFO L138 BoogieDeclarations]: Found implementation of procedure sis900_start_xmit [2019-10-07 12:16:22,072 INFO L138 BoogieDeclarations]: Found implementation of procedure sis900_interrupt [2019-10-07 12:16:22,073 INFO L138 BoogieDeclarations]: Found implementation of procedure sis900_rx [2019-10-07 12:16:22,073 INFO L138 BoogieDeclarations]: Found implementation of procedure sis900_finish_xmit [2019-10-07 12:16:22,073 INFO L138 BoogieDeclarations]: Found implementation of procedure sis900_close [2019-10-07 12:16:22,073 INFO L138 BoogieDeclarations]: Found implementation of procedure sis900_get_drvinfo [2019-10-07 12:16:22,073 INFO L138 BoogieDeclarations]: Found implementation of procedure sis900_get_msglevel [2019-10-07 12:16:22,073 INFO L138 BoogieDeclarations]: Found implementation of procedure sis900_set_msglevel [2019-10-07 12:16:22,074 INFO L138 BoogieDeclarations]: Found implementation of procedure sis900_get_link [2019-10-07 12:16:22,074 INFO L138 BoogieDeclarations]: Found implementation of procedure sis900_get_settings [2019-10-07 12:16:22,074 INFO L138 BoogieDeclarations]: Found implementation of procedure sis900_set_settings [2019-10-07 12:16:22,074 INFO L138 BoogieDeclarations]: Found implementation of procedure sis900_nway_reset [2019-10-07 12:16:22,074 INFO L138 BoogieDeclarations]: Found implementation of procedure sis900_set_wol [2019-10-07 12:16:22,074 INFO L138 BoogieDeclarations]: Found implementation of procedure sis900_get_wol [2019-10-07 12:16:22,075 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_ioctl [2019-10-07 12:16:22,075 INFO L138 BoogieDeclarations]: Found implementation of procedure sis900_set_config [2019-10-07 12:16:22,075 INFO L138 BoogieDeclarations]: Found implementation of procedure sis900_mcast_bitnr [2019-10-07 12:16:22,075 INFO L138 BoogieDeclarations]: Found implementation of procedure set_rx_mode [2019-10-07 12:16:22,075 INFO L138 BoogieDeclarations]: Found implementation of procedure sis900_reset [2019-10-07 12:16:22,076 INFO L138 BoogieDeclarations]: Found implementation of procedure sis900_remove [2019-10-07 12:16:22,076 INFO L138 BoogieDeclarations]: Found implementation of procedure sis900_suspend [2019-10-07 12:16:22,076 INFO L138 BoogieDeclarations]: Found implementation of procedure sis900_resume [2019-10-07 12:16:22,076 INFO L138 BoogieDeclarations]: Found implementation of procedure sis900_init_module [2019-10-07 12:16:22,076 INFO L138 BoogieDeclarations]: Found implementation of procedure sis900_cleanup_module [2019-10-07 12:16:22,076 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_net_device_ops_5 [2019-10-07 12:16:22,077 INFO L138 BoogieDeclarations]: Found implementation of procedure choose_timer_2 [2019-10-07 12:16:22,077 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_2 [2019-10-07 12:16:22,077 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_2 [2019-10-07 12:16:22,077 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_2 [2019-10-07 12:16:22,077 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_irq_1 [2019-10-07 12:16:22,077 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_check_1 [2019-10-07 12:16:22,077 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_irq_1 [2019-10-07 12:16:22,078 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2019-10-07 12:16:22,078 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pci_driver_3 [2019-10-07 12:16:22,078 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_ethtool_ops_4 [2019-10-07 12:16:22,078 INFO L138 BoogieDeclarations]: Found implementation of procedure choose_interrupt_1 [2019-10-07 12:16:22,078 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-07 12:16:22,078 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2019-10-07 12:16:22,079 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2019-10-07 12:16:22,079 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2019-10-07 12:16:22,079 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2019-10-07 12:16:22,079 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2019-10-07 12:16:22,079 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2019-10-07 12:16:22,079 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kmem_cache_alloc_20 [2019-10-07 12:16:22,079 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pskb_expand_head_26 [2019-10-07 12:16:22,080 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_clone_28 [2019-10-07 12:16:22,080 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_copy_30 [2019-10-07 12:16:22,080 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___netdev_alloc_skb_31 [2019-10-07 12:16:22,080 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___netdev_alloc_skb_32 [2019-10-07 12:16:22,080 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___netdev_alloc_skb_33 [2019-10-07 12:16:22,080 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pskb_expand_head_34 [2019-10-07 12:16:22,081 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pskb_expand_head_35 [2019-10-07 12:16:22,081 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_clone_36 [2019-10-07 12:16:22,081 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_netdev_37 [2019-10-07 12:16:22,081 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev_38 [2019-10-07 12:16:22,081 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq_39 [2019-10-07 12:16:22,081 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_40 [2019-10-07 12:16:22,081 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq_41 [2019-10-07 12:16:22,081 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev_42 [2019-10-07 12:16:22,082 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev_43 [2019-10-07 12:16:22,082 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___pci_register_driver_44 [2019-10-07 12:16:22,082 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pci_unregister_driver_45 [2019-10-07 12:16:22,082 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2019-10-07 12:16:22,082 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2019-10-07 12:16:22,082 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2019-10-07 12:16:22,082 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2019-10-07 12:16:22,083 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2019-10-07 12:16:22,083 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2019-10-07 12:16:22,083 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags_and_return_some_page [2019-10-07 12:16:22,083 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_nonatomic [2019-10-07 12:16:22,083 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2019-10-07 12:16:22,083 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2019-10-07 12:16:22,083 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock [2019-10-07 12:16:22,083 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2019-10-07 12:16:22,084 INFO L138 BoogieDeclarations]: Found implementation of procedure __dev_kfree_skb_any [2019-10-07 12:16:22,084 INFO L138 BoogieDeclarations]: Found implementation of procedure __dev_kfree_skb_irq [2019-10-07 12:16:22,084 INFO L138 BoogieDeclarations]: Found implementation of procedure __pci_register_driver [2019-10-07 12:16:22,084 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2019-10-07 12:16:22,084 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2019-10-07 12:16:22,084 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock [2019-10-07 12:16:22,084 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irq [2019-10-07 12:16:22,085 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock [2019-10-07 12:16:22,085 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irq [2019-10-07 12:16:22,085 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irqrestore [2019-10-07 12:16:22,085 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2019-10-07 12:16:22,085 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_etherdev_mqs [2019-10-07 12:16:22,085 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2019-10-07 12:16:22,085 INFO L138 BoogieDeclarations]: Found implementation of procedure crc32_le [2019-10-07 12:16:22,086 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2019-10-07 12:16:22,086 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_mapping_error [2019-10-07 12:16:22,086 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2019-10-07 12:16:22,086 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2019-10-07 12:16:22,086 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_irq [2019-10-07 12:16:22,086 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2019-10-07 12:16:22,086 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2019-10-07 12:16:22,087 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_set_mask [2019-10-07 12:16:22,087 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_irq [2019-10-07 12:16:22,087 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_change_mtu [2019-10-07 12:16:22,087 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_mac_addr [2019-10-07 12:16:22,087 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_type_trans [2019-10-07 12:16:22,087 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2019-10-07 12:16:22,087 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2019-10-07 12:16:22,087 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2019-10-07 12:16:22,088 INFO L138 BoogieDeclarations]: Found implementation of procedure get_random_bytes [2019-10-07 12:16:22,088 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread16 [2019-10-07 12:16:22,088 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2019-10-07 12:16:22,088 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2019-10-07 12:16:22,088 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite8 [2019-10-07 12:16:22,088 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-10-07 12:16:22,088 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-10-07 12:16:22,088 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ndo_init_5 [2019-10-07 12:16:22,089 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ndo_uninit_5 [2019-10-07 12:16:22,089 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_resume_early_3 [2019-10-07 12:16:22,089 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_shutdown_3 [2019-10-07 12:16:22,089 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_some_page [2019-10-07 12:16:22,089 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_suspend_late_3 [2019-10-07 12:16:22,089 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_ethtool_gset [2019-10-07 12:16:22,089 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_ethtool_sset [2019-10-07 12:16:22,090 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_link_ok [2019-10-07 12:16:22,090 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_nway_restart [2019-10-07 12:16:22,090 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2019-10-07 12:16:22,090 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2019-10-07 12:16:22,090 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_attach [2019-10-07 12:16:22,090 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2019-10-07 12:16:22,091 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_rx [2019-10-07 12:16:22,091 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_wake_queue [2019-10-07 12:16:22,091 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_bus_read_config_byte [2019-10-07 12:16:22,091 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_bus_read_config_dword [2019-10-07 12:16:22,091 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_bus_write_config_byte [2019-10-07 12:16:22,092 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_bus_write_config_dword [2019-10-07 12:16:22,092 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dev_put [2019-10-07 12:16:22,092 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2019-10-07 12:16:22,092 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_device [2019-10-07 12:16:22,092 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iomap [2019-10-07 12:16:22,093 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2019-10-07 12:16:22,093 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2019-10-07 12:16:22,093 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_request_regions [2019-10-07 12:16:22,093 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_restore_state [2019-10-07 12:16:22,093 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_save_state [2019-10-07 12:16:22,093 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2019-10-07 12:16:22,094 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2019-10-07 12:16:22,094 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unregister_driver [2019-10-07 12:16:22,094 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2019-10-07 12:16:22,094 INFO L138 BoogieDeclarations]: Found implementation of procedure register_netdev [2019-10-07 12:16:22,094 INFO L138 BoogieDeclarations]: Found implementation of procedure request_threaded_irq [2019-10-07 12:16:22,095 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2019-10-07 12:16:22,095 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2019-10-07 12:16:22,095 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2019-10-07 12:16:22,095 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2019-10-07 12:16:22,095 INFO L138 BoogieDeclarations]: Found implementation of procedure yield [2019-10-07 12:16:22,096 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-10-07 12:16:22,096 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-10-07 12:16:22,096 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-10-07 12:16:22,096 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-10-07 12:16:22,097 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-07 12:16:22,097 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-07 12:16:22,097 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2019-10-07 12:16:22,097 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2019-10-07 12:16:22,097 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2019-10-07 12:16:22,097 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2019-10-07 12:16:22,098 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-07 12:16:22,098 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2019-10-07 12:16:22,098 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2019-10-07 12:16:22,098 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2019-10-07 12:16:22,098 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-07 12:16:22,098 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-10-07 12:16:22,099 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-10-07 12:16:22,099 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-07 12:16:22,099 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-10-07 12:16:22,099 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-10-07 12:16:22,099 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-10-07 12:16:22,099 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-10-07 12:16:22,099 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-07 12:16:22,099 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-10-07 12:16:22,100 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-10-07 12:16:22,100 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2019-10-07 12:16:22,100 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2019-10-07 12:16:22,100 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-10-07 12:16:22,100 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2019-10-07 12:16:22,100 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ptr [2019-10-07 12:16:22,100 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2019-10-07 12:16:22,101 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2019-10-07 12:16:22,101 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2019-10-07 12:16:22,101 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2019-10-07 12:16:22,101 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2019-10-07 12:16:22,101 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2019-10-07 12:16:22,101 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock [2019-10-07 12:16:22,101 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irq [2019-10-07 12:16:22,102 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock [2019-10-07 12:16:22,102 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irq [2019-10-07 12:16:22,102 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore [2019-10-07 12:16:22,102 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2019-10-07 12:16:22,102 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_5 [2019-10-07 12:16:22,102 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2019-10-07 12:16:22,102 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_irq_8 [2019-10-07 12:16:22,102 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2019-10-07 12:16:22,103 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_9 [2019-10-07 12:16:22,103 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2019-10-07 12:16:22,103 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irq_11 [2019-10-07 12:16:22,103 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2019-10-07 12:16:22,103 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_12 [2019-10-07 12:16:22,103 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2019-10-07 12:16:22,103 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2019-10-07 12:16:22,104 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_40 [2019-10-07 12:16:22,104 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2019-10-07 12:16:22,104 INFO L130 BoogieDeclarations]: Found specification of procedure ioread16 [2019-10-07 12:16:22,104 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2019-10-07 12:16:22,104 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite8 [2019-10-07 12:16:22,104 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2019-10-07 12:16:22,104 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2019-10-07 12:16:22,104 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iomap [2019-10-07 12:16:22,105 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2019-10-07 12:16:22,105 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2019-10-07 12:16:22,105 INFO L130 BoogieDeclarations]: Found specification of procedure kobject_name [2019-10-07 12:16:22,105 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-07 12:16:22,105 INFO L130 BoogieDeclarations]: Found specification of procedure yield [2019-10-07 12:16:22,105 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-10-07 12:16:22,105 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kmem_cache_alloc_20 [2019-10-07 12:16:22,105 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2019-10-07 12:16:22,105 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2019-10-07 12:16:22,106 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_net_device_ops_5 [2019-10-07 12:16:22,106 INFO L130 BoogieDeclarations]: Found specification of procedure choose_timer_2 [2019-10-07 12:16:22,106 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_2 [2019-10-07 12:16:22,106 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_2 [2019-10-07 12:16:22,106 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_2 [2019-10-07 12:16:22,106 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_irq_1 [2019-10-07 12:16:22,106 INFO L130 BoogieDeclarations]: Found specification of procedure reg_check_1 [2019-10-07 12:16:22,107 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_irq_1 [2019-10-07 12:16:22,107 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2019-10-07 12:16:22,107 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pci_driver_3 [2019-10-07 12:16:22,107 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_ethtool_ops_4 [2019-10-07 12:16:22,107 INFO L130 BoogieDeclarations]: Found specification of procedure choose_interrupt_1 [2019-10-07 12:16:22,107 INFO L130 BoogieDeclarations]: Found specification of procedure request_threaded_irq [2019-10-07 12:16:22,108 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2019-10-07 12:16:22,108 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq_39 [2019-10-07 12:16:22,108 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2019-10-07 12:16:22,108 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq_41 [2019-10-07 12:16:22,108 INFO L130 BoogieDeclarations]: Found specification of procedure disable_irq [2019-10-07 12:16:22,109 INFO L130 BoogieDeclarations]: Found specification of procedure enable_irq [2019-10-07 12:16:22,109 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2019-10-07 12:16:22,109 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2019-10-07 12:16:22,109 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2019-10-07 12:16:22,109 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-07 12:16:22,110 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dev_put [2019-10-07 12:16:22,110 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_device [2019-10-07 12:16:22,110 INFO L130 BoogieDeclarations]: Found specification of procedure pci_bus_read_config_byte [2019-10-07 12:16:22,110 INFO L130 BoogieDeclarations]: Found specification of procedure pci_bus_read_config_dword [2019-10-07 12:16:22,110 INFO L130 BoogieDeclarations]: Found specification of procedure pci_bus_write_config_byte [2019-10-07 12:16:22,110 INFO L130 BoogieDeclarations]: Found specification of procedure pci_bus_write_config_dword [2019-10-07 12:16:22,111 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_byte [2019-10-07 12:16:22,111 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_dword [2019-10-07 12:16:22,111 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_byte [2019-10-07 12:16:22,111 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_dword [2019-10-07 12:16:22,111 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2019-10-07 12:16:22,111 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2019-10-07 12:16:22,111 INFO L130 BoogieDeclarations]: Found specification of procedure pci_save_state [2019-10-07 12:16:22,111 INFO L130 BoogieDeclarations]: Found specification of procedure pci_restore_state [2019-10-07 12:16:22,112 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2019-10-07 12:16:22,112 INFO L130 BoogieDeclarations]: Found specification of procedure pci_request_regions [2019-10-07 12:16:22,112 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2019-10-07 12:16:22,112 INFO L130 BoogieDeclarations]: Found specification of procedure __pci_register_driver [2019-10-07 12:16:22,112 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___pci_register_driver_44 [2019-10-07 12:16:22,112 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unregister_driver [2019-10-07 12:16:22,112 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pci_unregister_driver_45 [2019-10-07 12:16:22,113 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2019-10-07 12:16:22,113 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2019-10-07 12:16:22,113 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2019-10-07 12:16:22,113 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_mapping_error [2019-10-07 12:16:22,113 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2019-10-07 12:16:22,113 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2019-10-07 12:16:22,113 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2019-10-07 12:16:22,114 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2019-10-07 12:16:22,114 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2019-10-07 12:16:22,114 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2019-10-07 12:16:22,114 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2019-10-07 12:16:22,114 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~TO~int [2019-10-07 12:16:22,114 INFO L130 BoogieDeclarations]: Found specification of procedure dma_set_mask [2019-10-07 12:16:22,114 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2019-10-07 12:16:22,115 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2019-10-07 12:16:22,115 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2019-10-07 12:16:22,115 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2019-10-07 12:16:22,115 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2019-10-07 12:16:22,115 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2019-10-07 12:16:22,115 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_mapping_error [2019-10-07 12:16:22,115 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_dma_mask [2019-10-07 12:16:22,115 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2019-10-07 12:16:22,116 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_drvdata [2019-10-07 12:16:22,116 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2019-10-07 12:16:22,116 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2019-10-07 12:16:22,116 INFO L130 BoogieDeclarations]: Found specification of procedure get_random_bytes [2019-10-07 12:16:22,116 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2019-10-07 12:16:22,116 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_clone_28 [2019-10-07 12:16:22,116 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_clone_36 [2019-10-07 12:16:22,116 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_copy_30 [2019-10-07 12:16:22,117 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pskb_expand_head_26 [2019-10-07 12:16:22,117 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pskb_expand_head_34 [2019-10-07 12:16:22,117 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pskb_expand_head_35 [2019-10-07 12:16:22,117 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2019-10-07 12:16:22,117 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___netdev_alloc_skb_31 [2019-10-07 12:16:22,117 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___netdev_alloc_skb_32 [2019-10-07 12:16:22,117 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___netdev_alloc_skb_33 [2019-10-07 12:16:22,118 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2019-10-07 12:16:22,118 INFO L130 BoogieDeclarations]: Found specification of procedure mii_link_ok [2019-10-07 12:16:22,118 INFO L130 BoogieDeclarations]: Found specification of procedure mii_nway_restart [2019-10-07 12:16:22,118 INFO L130 BoogieDeclarations]: Found specification of procedure mii_ethtool_gset [2019-10-07 12:16:22,118 INFO L130 BoogieDeclarations]: Found specification of procedure mii_ethtool_sset [2019-10-07 12:16:22,118 INFO L130 BoogieDeclarations]: Found specification of procedure if_mii [2019-10-07 12:16:22,118 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2019-10-07 12:16:22,118 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2019-10-07 12:16:22,119 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2019-10-07 12:16:22,119 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev_38 [2019-10-07 12:16:22,119 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev_43 [2019-10-07 12:16:22,119 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2019-10-07 12:16:22,119 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2019-10-07 12:16:22,119 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_wake_queue [2019-10-07 12:16:22,119 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2019-10-07 12:16:22,120 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2019-10-07 12:16:22,120 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2019-10-07 12:16:22,120 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_queue_stopped [2019-10-07 12:16:22,120 INFO L130 BoogieDeclarations]: Found specification of procedure netif_queue_stopped [2019-10-07 12:16:22,120 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2019-10-07 12:16:22,120 INFO L130 BoogieDeclarations]: Found specification of procedure __dev_kfree_skb_irq [2019-10-07 12:16:22,121 INFO L130 BoogieDeclarations]: Found specification of procedure __dev_kfree_skb_any [2019-10-07 12:16:22,121 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_irq [2019-10-07 12:16:22,121 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2019-10-07 12:16:22,121 INFO L130 BoogieDeclarations]: Found specification of procedure netif_rx [2019-10-07 12:16:22,121 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2019-10-07 12:16:22,122 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2019-10-07 12:16:22,122 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2019-10-07 12:16:22,122 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2019-10-07 12:16:22,122 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_attach [2019-10-07 12:16:22,122 INFO L130 BoogieDeclarations]: Found specification of procedure register_netdev [2019-10-07 12:16:22,123 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_netdev_37 [2019-10-07 12:16:22,123 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2019-10-07 12:16:22,123 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev_42 [2019-10-07 12:16:22,123 INFO L130 BoogieDeclarations]: Found specification of procedure eth_type_trans [2019-10-07 12:16:22,123 INFO L130 BoogieDeclarations]: Found specification of procedure eth_mac_addr [2019-10-07 12:16:22,123 INFO L130 BoogieDeclarations]: Found specification of procedure eth_change_mtu [2019-10-07 12:16:22,124 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2019-10-07 12:16:22,124 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_etherdev_mqs [2019-10-07 12:16:22,124 INFO L130 BoogieDeclarations]: Found specification of procedure is_zero_ether_addr [2019-10-07 12:16:22,124 INFO L130 BoogieDeclarations]: Found specification of procedure is_multicast_ether_addr [2019-10-07 12:16:22,124 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2019-10-07 12:16:22,125 INFO L130 BoogieDeclarations]: Found specification of procedure eth_random_addr [2019-10-07 12:16:22,125 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-07 12:16:22,125 INFO L130 BoogieDeclarations]: Found specification of procedure eth_hw_addr_random [2019-10-07 12:16:22,125 INFO L130 BoogieDeclarations]: Found specification of procedure __bitrev8 [2019-10-07 12:16:22,125 INFO L130 BoogieDeclarations]: Found specification of procedure __bitrev16 [2019-10-07 12:16:22,125 INFO L130 BoogieDeclarations]: Found specification of procedure __bitrev32 [2019-10-07 12:16:22,126 INFO L130 BoogieDeclarations]: Found specification of procedure crc32_le [2019-10-07 12:16:22,126 INFO L130 BoogieDeclarations]: Found specification of procedure sis900_read_mode [2019-10-07 12:16:22,126 INFO L130 BoogieDeclarations]: Found specification of procedure sis900_poll [2019-10-07 12:16:22,126 INFO L130 BoogieDeclarations]: Found specification of procedure sis900_open [2019-10-07 12:16:22,126 INFO L130 BoogieDeclarations]: Found specification of procedure sis900_mii_probe [2019-10-07 12:16:22,127 INFO L130 BoogieDeclarations]: Found specification of procedure sis900_init_rxfilter [2019-10-07 12:16:22,127 INFO L130 BoogieDeclarations]: Found specification of procedure read_eeprom [2019-10-07 12:16:22,127 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_read [2019-10-07 12:16:22,127 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_write [2019-10-07 12:16:22,127 INFO L130 BoogieDeclarations]: Found specification of procedure sis900_timer [2019-10-07 12:16:22,127 INFO L130 BoogieDeclarations]: Found specification of procedure sis900_check_mode [2019-10-07 12:16:22,128 INFO L130 BoogieDeclarations]: Found specification of procedure sis900_tx_timeout [2019-10-07 12:16:22,128 INFO L130 BoogieDeclarations]: Found specification of procedure sis900_init_tx_ring [2019-10-07 12:16:22,128 INFO L130 BoogieDeclarations]: Found specification of procedure sis900_init_rx_ring [2019-10-07 12:16:22,128 INFO L130 BoogieDeclarations]: Found specification of procedure sis900_start_xmit [2019-10-07 12:16:22,128 INFO L130 BoogieDeclarations]: Found specification of procedure sis900_rx [2019-10-07 12:16:22,128 INFO L130 BoogieDeclarations]: Found specification of procedure sis900_finish_xmit [2019-10-07 12:16:22,129 INFO L130 BoogieDeclarations]: Found specification of procedure sis900_interrupt [2019-10-07 12:16:22,129 INFO L130 BoogieDeclarations]: Found specification of procedure sis900_close [2019-10-07 12:16:22,129 INFO L130 BoogieDeclarations]: Found specification of procedure mii_ioctl [2019-10-07 12:16:22,129 INFO L130 BoogieDeclarations]: Found specification of procedure sis900_mcast_bitnr [2019-10-07 12:16:22,129 INFO L130 BoogieDeclarations]: Found specification of procedure set_rx_mode [2019-10-07 12:16:22,129 INFO L130 BoogieDeclarations]: Found specification of procedure sis900_reset [2019-10-07 12:16:22,130 INFO L130 BoogieDeclarations]: Found specification of procedure sis630_set_eq [2019-10-07 12:16:22,130 INFO L130 BoogieDeclarations]: Found specification of procedure sis900_set_config [2019-10-07 12:16:22,130 INFO L130 BoogieDeclarations]: Found specification of procedure sis900_default_phy [2019-10-07 12:16:22,130 INFO L130 BoogieDeclarations]: Found specification of procedure sis900_set_capability [2019-10-07 12:16:22,130 INFO L130 BoogieDeclarations]: Found specification of procedure sis900_reset_phy [2019-10-07 12:16:22,131 INFO L130 BoogieDeclarations]: Found specification of procedure sis900_auto_negotiate [2019-10-07 12:16:22,131 INFO L130 BoogieDeclarations]: Found specification of procedure sis900_set_mode [2019-10-07 12:16:22,131 INFO L130 BoogieDeclarations]: Found specification of procedure sis900_get_mac_addr [2019-10-07 12:16:22,131 INFO L130 BoogieDeclarations]: Found specification of procedure sis630e_get_mac_addr [2019-10-07 12:16:22,131 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-07 12:16:22,131 INFO L130 BoogieDeclarations]: Found specification of procedure sis635_get_mac_addr [2019-10-07 12:16:22,132 INFO L130 BoogieDeclarations]: Found specification of procedure sis96x_get_mac_addr [2019-10-07 12:16:22,132 INFO L130 BoogieDeclarations]: Found specification of procedure sis900_probe [2019-10-07 12:16:22,132 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_idle [2019-10-07 12:16:22,132 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_reset [2019-10-07 12:16:22,132 INFO L130 BoogieDeclarations]: Found specification of procedure sis900_get_drvinfo [2019-10-07 12:16:22,132 INFO L130 BoogieDeclarations]: Found specification of procedure sis900_get_msglevel [2019-10-07 12:16:22,132 INFO L130 BoogieDeclarations]: Found specification of procedure sis900_set_msglevel [2019-10-07 12:16:22,133 INFO L130 BoogieDeclarations]: Found specification of procedure sis900_get_link [2019-10-07 12:16:22,133 INFO L130 BoogieDeclarations]: Found specification of procedure sis900_get_settings [2019-10-07 12:16:22,133 INFO L130 BoogieDeclarations]: Found specification of procedure sis900_set_settings [2019-10-07 12:16:22,133 INFO L130 BoogieDeclarations]: Found specification of procedure sis900_nway_reset [2019-10-07 12:16:22,133 INFO L130 BoogieDeclarations]: Found specification of procedure sis900_set_wol [2019-10-07 12:16:22,133 INFO L130 BoogieDeclarations]: Found specification of procedure sis900_get_wol [2019-10-07 12:16:22,133 INFO L130 BoogieDeclarations]: Found specification of procedure sis900_remove [2019-10-07 12:16:22,133 INFO L130 BoogieDeclarations]: Found specification of procedure sis900_suspend [2019-10-07 12:16:22,134 INFO L130 BoogieDeclarations]: Found specification of procedure sis900_resume [2019-10-07 12:16:22,134 INFO L130 BoogieDeclarations]: Found specification of procedure sis900_init_module [2019-10-07 12:16:22,134 INFO L130 BoogieDeclarations]: Found specification of procedure sis900_cleanup_module [2019-10-07 12:16:22,134 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_shutdown_3 [2019-10-07 12:16:22,134 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_suspend_late_3 [2019-10-07 12:16:22,134 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_resume_early_3 [2019-10-07 12:16:22,134 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ndo_init_5 [2019-10-07 12:16:22,134 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-10-07 12:16:22,134 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-10-07 12:16:22,135 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ndo_uninit_5 [2019-10-07 12:16:22,135 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2019-10-07 12:16:22,135 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-07 12:16:22,135 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2019-10-07 12:16:22,135 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2019-10-07 12:16:22,135 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2019-10-07 12:16:22,135 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2019-10-07 12:16:22,135 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2019-10-07 12:16:22,136 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_some_page [2019-10-07 12:16:22,136 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags_and_return_some_page [2019-10-07 12:16:22,136 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_nonatomic [2019-10-07 12:16:22,136 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock [2019-10-07 12:16:22,136 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-10-07 12:16:22,137 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2019-10-07 12:16:22,137 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ushort [2019-10-07 12:16:22,137 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-07 12:16:22,137 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-07 12:16:22,137 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-07 12:16:22,137 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-10-07 12:16:22,138 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-07 12:16:23,459 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2019-10-07 12:16:43,266 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-07 12:16:43,266 INFO L284 CfgBuilder]: Removed 1 assume(true) statements. [2019-10-07 12:16:43,269 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 12:16:43 BoogieIcfgContainer [2019-10-07 12:16:43,269 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-07 12:16:43,270 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-07 12:16:43,270 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-07 12:16:43,273 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-07 12:16:43,273 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.10 12:16:17" (1/3) ... [2019-10-07 12:16:43,274 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@988c8b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 12:16:43, skipping insertion in model container [2019-10-07 12:16:43,274 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 12:16:21" (2/3) ... [2019-10-07 12:16:43,275 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@988c8b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 12:16:43, skipping insertion in model container [2019-10-07 12:16:43,275 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 12:16:43" (3/3) ... [2019-10-07 12:16:43,276 INFO L109 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--sis--sis900.ko-entry_point.cil.out.i [2019-10-07 12:16:43,286 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-07 12:16:43,297 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-07 12:16:43,309 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-07 12:16:43,346 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-07 12:16:43,346 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-07 12:16:43,346 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-07 12:16:43,346 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-07 12:16:43,347 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-07 12:16:43,347 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-07 12:16:43,347 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-07 12:16:43,347 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-07 12:16:43,402 INFO L276 IsEmpty]: Start isEmpty. Operand 1895 states. [2019-10-07 12:16:43,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2019-10-07 12:16:43,429 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 12:16:43,431 INFO L385 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 12:16:43,433 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 12:16:43,438 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 12:16:43,438 INFO L82 PathProgramCache]: Analyzing trace with hash 1268180730, now seen corresponding path program 1 times [2019-10-07 12:16:43,445 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 12:16:43,445 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 12:16:43,445 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 12:16:43,445 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 12:16:43,446 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 12:16:44,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 12:16:44,420 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 138 trivial. 0 not checked. [2019-10-07 12:16:44,421 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 12:16:44,422 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 12:16:44,422 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 12:16:44,426 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 12:16:44,439 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 12:16:44,440 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 12:16:44,442 INFO L87 Difference]: Start difference. First operand 1895 states. Second operand 3 states. [2019-10-07 12:16:45,018 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 12:16:45,019 INFO L93 Difference]: Finished difference Result 5098 states and 6815 transitions. [2019-10-07 12:16:45,019 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 12:16:45,021 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 162 [2019-10-07 12:16:45,022 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 12:16:45,069 INFO L225 Difference]: With dead ends: 5098 [2019-10-07 12:16:45,069 INFO L226 Difference]: Without dead ends: 3224 [2019-10-07 12:16:45,097 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 12:16:45,119 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3224 states. [2019-10-07 12:16:45,366 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3224 to 3207. [2019-10-07 12:16:45,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3207 states. [2019-10-07 12:16:45,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3207 states to 3207 states and 4242 transitions. [2019-10-07 12:16:45,403 INFO L78 Accepts]: Start accepts. Automaton has 3207 states and 4242 transitions. Word has length 162 [2019-10-07 12:16:45,405 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 12:16:45,405 INFO L462 AbstractCegarLoop]: Abstraction has 3207 states and 4242 transitions. [2019-10-07 12:16:45,405 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 12:16:45,405 INFO L276 IsEmpty]: Start isEmpty. Operand 3207 states and 4242 transitions. [2019-10-07 12:16:45,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2019-10-07 12:16:45,416 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 12:16:45,416 INFO L385 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 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] [2019-10-07 12:16:45,416 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 12:16:45,417 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 12:16:45,417 INFO L82 PathProgramCache]: Analyzing trace with hash 608797330, now seen corresponding path program 1 times [2019-10-07 12:16:45,417 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 12:16:45,417 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 12:16:45,418 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 12:16:45,418 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 12:16:45,418 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 12:16:45,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 12:16:45,848 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2019-10-07 12:16:45,849 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 12:16:45,849 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 12:16:45,849 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-07 12:16:45,852 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-07 12:16:45,852 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-07 12:16:45,852 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-07 12:16:45,853 INFO L87 Difference]: Start difference. First operand 3207 states and 4242 transitions. Second operand 5 states. [2019-10-07 12:16:46,264 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 12:16:46,264 INFO L93 Difference]: Finished difference Result 9572 states and 12676 transitions. [2019-10-07 12:16:46,265 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-07 12:16:46,265 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 149 [2019-10-07 12:16:46,265 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 12:16:46,312 INFO L225 Difference]: With dead ends: 9572 [2019-10-07 12:16:46,312 INFO L226 Difference]: Without dead ends: 6400 [2019-10-07 12:16:46,332 INFO L606 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 [2019-10-07 12:16:46,341 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6400 states. [2019-10-07 12:16:46,623 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6400 to 6375. [2019-10-07 12:16:46,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6375 states. [2019-10-07 12:16:46,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6375 states to 6375 states and 8438 transitions. [2019-10-07 12:16:46,673 INFO L78 Accepts]: Start accepts. Automaton has 6375 states and 8438 transitions. Word has length 149 [2019-10-07 12:16:46,673 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 12:16:46,673 INFO L462 AbstractCegarLoop]: Abstraction has 6375 states and 8438 transitions. [2019-10-07 12:16:46,674 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-07 12:16:46,674 INFO L276 IsEmpty]: Start isEmpty. Operand 6375 states and 8438 transitions. [2019-10-07 12:16:46,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2019-10-07 12:16:46,680 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 12:16:46,680 INFO L385 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 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] [2019-10-07 12:16:46,680 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 12:16:46,680 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 12:16:46,680 INFO L82 PathProgramCache]: Analyzing trace with hash -952149673, now seen corresponding path program 1 times [2019-10-07 12:16:46,681 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 12:16:46,681 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 12:16:46,681 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 12:16:46,681 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 12:16:46,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 12:16:46,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 12:16:47,117 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2019-10-07 12:16:47,117 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 12:16:47,117 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 12:16:47,118 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-07 12:16:47,118 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-07 12:16:47,118 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-07 12:16:47,119 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-07 12:16:47,119 INFO L87 Difference]: Start difference. First operand 6375 states and 8438 transitions. Second operand 5 states. [2019-10-07 12:16:47,518 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 12:16:47,519 INFO L93 Difference]: Finished difference Result 13286 states and 17510 transitions. [2019-10-07 12:16:47,519 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-07 12:16:47,519 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 150 [2019-10-07 12:16:47,522 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 12:16:47,591 INFO L225 Difference]: With dead ends: 13286 [2019-10-07 12:16:47,591 INFO L226 Difference]: Without dead ends: 9584 [2019-10-07 12:16:47,619 INFO L606 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 [2019-10-07 12:16:47,636 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9584 states. [2019-10-07 12:16:48,951 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9584 to 9549. [2019-10-07 12:16:48,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9549 states. [2019-10-07 12:16:48,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9549 states to 9549 states and 12636 transitions. [2019-10-07 12:16:48,999 INFO L78 Accepts]: Start accepts. Automaton has 9549 states and 12636 transitions. Word has length 150 [2019-10-07 12:16:49,000 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 12:16:49,000 INFO L462 AbstractCegarLoop]: Abstraction has 9549 states and 12636 transitions. [2019-10-07 12:16:49,000 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-07 12:16:49,000 INFO L276 IsEmpty]: Start isEmpty. Operand 9549 states and 12636 transitions. [2019-10-07 12:16:49,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2019-10-07 12:16:49,006 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 12:16:49,006 INFO L385 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 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] [2019-10-07 12:16:49,006 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 12:16:49,006 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 12:16:49,007 INFO L82 PathProgramCache]: Analyzing trace with hash -1206961099, now seen corresponding path program 1 times [2019-10-07 12:16:49,007 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 12:16:49,007 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 12:16:49,007 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 12:16:49,007 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 12:16:49,008 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 12:16:49,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 12:16:49,284 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2019-10-07 12:16:49,285 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 12:16:49,285 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 12:16:49,285 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-07 12:16:49,286 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-07 12:16:49,286 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-07 12:16:49,287 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-07 12:16:49,287 INFO L87 Difference]: Start difference. First operand 9549 states and 12636 transitions. Second operand 5 states. [2019-10-07 12:16:49,759 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 12:16:49,759 INFO L93 Difference]: Finished difference Result 16470 states and 21712 transitions. [2019-10-07 12:16:49,760 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-07 12:16:49,760 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 151 [2019-10-07 12:16:49,760 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 12:16:49,823 INFO L225 Difference]: With dead ends: 16470 [2019-10-07 12:16:49,824 INFO L226 Difference]: Without dead ends: 9592 [2019-10-07 12:16:50,022 INFO L606 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 [2019-10-07 12:16:50,034 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9592 states. [2019-10-07 12:16:50,407 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9592 to 9557. [2019-10-07 12:16:50,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9557 states. [2019-10-07 12:16:50,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9557 states to 9557 states and 12640 transitions. [2019-10-07 12:16:50,457 INFO L78 Accepts]: Start accepts. Automaton has 9557 states and 12640 transitions. Word has length 151 [2019-10-07 12:16:50,457 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 12:16:50,457 INFO L462 AbstractCegarLoop]: Abstraction has 9557 states and 12640 transitions. [2019-10-07 12:16:50,457 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-07 12:16:50,457 INFO L276 IsEmpty]: Start isEmpty. Operand 9557 states and 12640 transitions. [2019-10-07 12:16:50,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2019-10-07 12:16:50,463 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 12:16:50,463 INFO L385 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 12:16:50,463 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 12:16:50,464 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 12:16:50,464 INFO L82 PathProgramCache]: Analyzing trace with hash 373724698, now seen corresponding path program 1 times [2019-10-07 12:16:50,464 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 12:16:50,464 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 12:16:50,464 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 12:16:50,464 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 12:16:50,465 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 12:16:50,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 12:16:50,780 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2019-10-07 12:16:50,780 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 12:16:50,781 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 12:16:50,781 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-07 12:16:50,782 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-07 12:16:50,782 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-07 12:16:50,782 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-07 12:16:50,783 INFO L87 Difference]: Start difference. First operand 9557 states and 12640 transitions. Second operand 5 states. [2019-10-07 12:16:51,221 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 12:16:51,221 INFO L93 Difference]: Finished difference Result 16293 states and 21472 transitions. [2019-10-07 12:16:51,222 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-07 12:16:51,222 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 152 [2019-10-07 12:16:51,223 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 12:16:51,295 INFO L225 Difference]: With dead ends: 16293 [2019-10-07 12:16:51,295 INFO L226 Difference]: Without dead ends: 9405 [2019-10-07 12:16:51,329 INFO L606 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 [2019-10-07 12:16:51,342 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9405 states. [2019-10-07 12:16:51,902 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9405 to 9376. [2019-10-07 12:16:51,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9376 states. [2019-10-07 12:16:51,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9376 states to 9376 states and 12400 transitions. [2019-10-07 12:16:51,944 INFO L78 Accepts]: Start accepts. Automaton has 9376 states and 12400 transitions. Word has length 152 [2019-10-07 12:16:51,946 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 12:16:51,946 INFO L462 AbstractCegarLoop]: Abstraction has 9376 states and 12400 transitions. [2019-10-07 12:16:51,946 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-07 12:16:51,947 INFO L276 IsEmpty]: Start isEmpty. Operand 9376 states and 12400 transitions. [2019-10-07 12:16:51,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2019-10-07 12:16:51,953 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 12:16:51,953 INFO L385 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 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] [2019-10-07 12:16:51,954 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 12:16:51,954 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 12:16:51,954 INFO L82 PathProgramCache]: Analyzing trace with hash 563722352, now seen corresponding path program 1 times [2019-10-07 12:16:51,954 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 12:16:51,955 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 12:16:51,955 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 12:16:51,955 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 12:16:51,955 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 12:16:52,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 12:16:52,311 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 139 trivial. 0 not checked. [2019-10-07 12:16:52,312 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 12:16:52,312 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2019-10-07 12:16:52,312 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 12:16:54,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 12:16:54,225 INFO L256 TraceCheckSpWp]: Trace formula consists of 3426 conjuncts, 9 conjunts are in the unsatisfiable core [2019-10-07 12:16:54,249 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-07 12:16:54,409 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2019-10-07 12:16:54,410 INFO L322 TraceCheckSpWp]: Computing backward predicates... [2019-10-07 12:16:54,778 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2019-10-07 12:16:54,778 INFO L211 tionRefinementEngine]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2019-10-07 12:16:54,778 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [9] total 14 [2019-10-07 12:16:54,780 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-07 12:16:54,780 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-07 12:16:54,780 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=154, Unknown=0, NotChecked=0, Total=182 [2019-10-07 12:16:54,780 INFO L87 Difference]: Start difference. First operand 9376 states and 12400 transitions. Second operand 7 states. [2019-10-07 12:16:55,760 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 12:16:55,761 INFO L93 Difference]: Finished difference Result 21980 states and 29082 transitions. [2019-10-07 12:16:55,761 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2019-10-07 12:16:55,761 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 165 [2019-10-07 12:16:55,762 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 12:16:55,846 INFO L225 Difference]: With dead ends: 21980 [2019-10-07 12:16:55,846 INFO L226 Difference]: Without dead ends: 15612 [2019-10-07 12:16:55,879 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 350 GetRequests, 324 SyntacticMatches, 7 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=69, Invalid=351, Unknown=0, NotChecked=0, Total=420 [2019-10-07 12:16:55,899 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15612 states. [2019-10-07 12:16:56,927 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15612 to 15549. [2019-10-07 12:16:56,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15549 states. [2019-10-07 12:16:57,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15549 states to 15549 states and 20588 transitions. [2019-10-07 12:16:57,011 INFO L78 Accepts]: Start accepts. Automaton has 15549 states and 20588 transitions. Word has length 165 [2019-10-07 12:16:57,011 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 12:16:57,011 INFO L462 AbstractCegarLoop]: Abstraction has 15549 states and 20588 transitions. [2019-10-07 12:16:57,012 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-07 12:16:57,012 INFO L276 IsEmpty]: Start isEmpty. Operand 15549 states and 20588 transitions. [2019-10-07 12:16:57,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2019-10-07 12:16:57,021 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 12:16:57,021 INFO L385 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 12:16:57,232 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 12:16:57,233 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 12:16:57,233 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 12:16:57,234 INFO L82 PathProgramCache]: Analyzing trace with hash -337562160, now seen corresponding path program 1 times [2019-10-07 12:16:57,234 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 12:16:57,234 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 12:16:57,235 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 12:16:57,235 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 12:16:57,235 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 12:16:57,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 12:16:57,616 INFO L134 CoverageAnalysis]: Checked inductivity of 143 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2019-10-07 12:16:57,616 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 12:16:57,616 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2019-10-07 12:16:57,617 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 12:16:58,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 12:16:58,640 INFO L256 TraceCheckSpWp]: Trace formula consists of 3428 conjuncts, 9 conjunts are in the unsatisfiable core [2019-10-07 12:16:58,652 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-07 12:16:58,782 INFO L134 CoverageAnalysis]: Checked inductivity of 143 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2019-10-07 12:16:58,782 INFO L322 TraceCheckSpWp]: Computing backward predicates... [2019-10-07 12:16:59,108 INFO L134 CoverageAnalysis]: Checked inductivity of 143 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2019-10-07 12:16:59,108 INFO L211 tionRefinementEngine]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2019-10-07 12:16:59,109 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [10] total 15 [2019-10-07 12:16:59,110 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-07 12:16:59,111 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-07 12:16:59,111 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=180, Unknown=0, NotChecked=0, Total=210 [2019-10-07 12:16:59,111 INFO L87 Difference]: Start difference. First operand 15549 states and 20588 transitions. Second operand 7 states. [2019-10-07 12:17:00,091 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 12:17:00,092 INFO L93 Difference]: Finished difference Result 34348 states and 45484 transitions. [2019-10-07 12:17:00,092 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2019-10-07 12:17:00,092 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 166 [2019-10-07 12:17:00,094 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 12:17:00,187 INFO L225 Difference]: With dead ends: 34348 [2019-10-07 12:17:00,187 INFO L226 Difference]: Without dead ends: 21807 [2019-10-07 12:17:00,227 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 351 GetRequests, 324 SyntacticMatches, 7 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=71, Invalid=391, Unknown=0, NotChecked=0, Total=462 [2019-10-07 12:17:00,255 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21807 states. [2019-10-07 12:17:01,208 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21807 to 21732. [2019-10-07 12:17:01,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21732 states. [2019-10-07 12:17:01,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21732 states to 21732 states and 28796 transitions. [2019-10-07 12:17:01,532 INFO L78 Accepts]: Start accepts. Automaton has 21732 states and 28796 transitions. Word has length 166 [2019-10-07 12:17:01,532 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 12:17:01,533 INFO L462 AbstractCegarLoop]: Abstraction has 21732 states and 28796 transitions. [2019-10-07 12:17:01,533 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-07 12:17:01,533 INFO L276 IsEmpty]: Start isEmpty. Operand 21732 states and 28796 transitions. [2019-10-07 12:17:01,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2019-10-07 12:17:01,546 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 12:17:01,546 INFO L385 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 12:17:01,747 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 12:17:01,747 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 12:17:01,748 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 12:17:01,748 INFO L82 PathProgramCache]: Analyzing trace with hash -419336887, now seen corresponding path program 1 times [2019-10-07 12:17:01,748 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 12:17:01,748 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 12:17:01,749 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 12:17:01,749 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 12:17:01,750 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 12:17:01,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 12:17:02,103 INFO L134 CoverageAnalysis]: Checked inductivity of 143 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2019-10-07 12:17:02,104 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 12:17:02,104 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2019-10-07 12:17:02,105 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 12:17:03,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 12:17:03,295 INFO L256 TraceCheckSpWp]: Trace formula consists of 3430 conjuncts, 9 conjunts are in the unsatisfiable core [2019-10-07 12:17:03,316 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-07 12:17:03,476 INFO L134 CoverageAnalysis]: Checked inductivity of 143 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2019-10-07 12:17:03,476 INFO L322 TraceCheckSpWp]: Computing backward predicates... [2019-10-07 12:17:03,817 INFO L134 CoverageAnalysis]: Checked inductivity of 143 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2019-10-07 12:17:03,818 INFO L211 tionRefinementEngine]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2019-10-07 12:17:03,819 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [10] total 15 [2019-10-07 12:17:03,820 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-07 12:17:03,820 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-07 12:17:03,820 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=180, Unknown=0, NotChecked=0, Total=210 [2019-10-07 12:17:03,821 INFO L87 Difference]: Start difference. First operand 21732 states and 28796 transitions. Second operand 7 states. [2019-10-07 12:17:05,734 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 12:17:05,735 INFO L93 Difference]: Finished difference Result 46710 states and 61898 transitions. [2019-10-07 12:17:05,735 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2019-10-07 12:17:05,735 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 167 [2019-10-07 12:17:05,736 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 12:17:05,848 INFO L225 Difference]: With dead ends: 46710 [2019-10-07 12:17:05,848 INFO L226 Difference]: Without dead ends: 27986 [2019-10-07 12:17:05,907 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 353 GetRequests, 326 SyntacticMatches, 7 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=71, Invalid=391, Unknown=0, NotChecked=0, Total=462 [2019-10-07 12:17:05,934 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27986 states. [2019-10-07 12:17:06,875 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27986 to 21734. [2019-10-07 12:17:06,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21734 states. [2019-10-07 12:17:06,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21734 states to 21734 states and 28798 transitions. [2019-10-07 12:17:06,969 INFO L78 Accepts]: Start accepts. Automaton has 21734 states and 28798 transitions. Word has length 167 [2019-10-07 12:17:06,969 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 12:17:06,969 INFO L462 AbstractCegarLoop]: Abstraction has 21734 states and 28798 transitions. [2019-10-07 12:17:06,969 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-07 12:17:06,970 INFO L276 IsEmpty]: Start isEmpty. Operand 21734 states and 28798 transitions. [2019-10-07 12:17:06,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2019-10-07 12:17:06,980 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 12:17:06,980 INFO L385 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 12:17:07,191 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 12:17:07,192 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 12:17:07,192 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 12:17:07,192 INFO L82 PathProgramCache]: Analyzing trace with hash -866112055, now seen corresponding path program 1 times [2019-10-07 12:17:07,193 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 12:17:07,193 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 12:17:07,193 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 12:17:07,193 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 12:17:07,193 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 12:17:07,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 12:17:07,511 INFO L134 CoverageAnalysis]: Checked inductivity of 143 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2019-10-07 12:17:07,511 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 12:17:07,511 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2019-10-07 12:17:07,512 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 12:17:08,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 12:17:08,773 INFO L256 TraceCheckSpWp]: Trace formula consists of 3432 conjuncts, 9 conjunts are in the unsatisfiable core [2019-10-07 12:17:08,779 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-07 12:17:08,907 INFO L134 CoverageAnalysis]: Checked inductivity of 143 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2019-10-07 12:17:08,907 INFO L322 TraceCheckSpWp]: Computing backward predicates... [2019-10-07 12:17:09,244 INFO L134 CoverageAnalysis]: Checked inductivity of 143 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2019-10-07 12:17:09,244 INFO L211 tionRefinementEngine]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2019-10-07 12:17:09,244 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [10] total 15 [2019-10-07 12:17:09,245 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-07 12:17:09,245 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-07 12:17:09,246 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=180, Unknown=0, NotChecked=0, Total=210 [2019-10-07 12:17:09,246 INFO L87 Difference]: Start difference. First operand 21734 states and 28798 transitions. Second operand 7 states. [2019-10-07 12:17:10,002 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 12:17:10,002 INFO L93 Difference]: Finished difference Result 46716 states and 61900 transitions. [2019-10-07 12:17:10,003 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2019-10-07 12:17:10,003 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 168 [2019-10-07 12:17:10,003 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 12:17:10,116 INFO L225 Difference]: With dead ends: 46716 [2019-10-07 12:17:10,116 INFO L226 Difference]: Without dead ends: 27990 [2019-10-07 12:17:10,175 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 355 GetRequests, 328 SyntacticMatches, 7 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=71, Invalid=391, Unknown=0, NotChecked=0, Total=462 [2019-10-07 12:17:10,202 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27990 states. [2019-10-07 12:17:11,255 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27990 to 21736. [2019-10-07 12:17:11,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21736 states. [2019-10-07 12:17:11,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21736 states to 21736 states and 28796 transitions. [2019-10-07 12:17:11,352 INFO L78 Accepts]: Start accepts. Automaton has 21736 states and 28796 transitions. Word has length 168 [2019-10-07 12:17:11,352 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 12:17:11,352 INFO L462 AbstractCegarLoop]: Abstraction has 21736 states and 28796 transitions. [2019-10-07 12:17:11,353 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-07 12:17:11,353 INFO L276 IsEmpty]: Start isEmpty. Operand 21736 states and 28796 transitions. [2019-10-07 12:17:11,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2019-10-07 12:17:11,364 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 12:17:11,364 INFO L385 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 12:17:11,577 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 12:17:11,577 INFO L410 AbstractCegarLoop]: === Iteration 10 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 12:17:11,577 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 12:17:11,577 INFO L82 PathProgramCache]: Analyzing trace with hash 715418423, now seen corresponding path program 1 times [2019-10-07 12:17:11,578 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 12:17:11,578 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 12:17:11,578 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 12:17:11,578 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 12:17:11,578 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 12:17:11,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 12:17:11,793 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2019-10-07 12:17:11,793 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 12:17:11,793 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 12:17:11,793 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 12:17:11,794 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 12:17:11,794 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 12:17:11,794 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 12:17:11,795 INFO L87 Difference]: Start difference. First operand 21736 states and 28796 transitions. Second operand 3 states. [2019-10-07 12:17:12,450 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 12:17:12,450 INFO L93 Difference]: Finished difference Result 56379 states and 74703 transitions. [2019-10-07 12:17:12,451 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 12:17:12,451 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 186 [2019-10-07 12:17:12,451 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 12:17:12,595 INFO L225 Difference]: With dead ends: 56379 [2019-10-07 12:17:12,596 INFO L226 Difference]: Without dead ends: 34678 [2019-10-07 12:17:12,664 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 12:17:12,697 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34678 states. [2019-10-07 12:17:14,914 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34678 to 34563. [2019-10-07 12:17:14,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 34563 states. [2019-10-07 12:17:15,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34563 states to 34563 states and 45796 transitions. [2019-10-07 12:17:15,025 INFO L78 Accepts]: Start accepts. Automaton has 34563 states and 45796 transitions. Word has length 186 [2019-10-07 12:17:15,026 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 12:17:15,026 INFO L462 AbstractCegarLoop]: Abstraction has 34563 states and 45796 transitions. [2019-10-07 12:17:15,026 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 12:17:15,026 INFO L276 IsEmpty]: Start isEmpty. Operand 34563 states and 45796 transitions. [2019-10-07 12:17:15,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2019-10-07 12:17:15,038 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 12:17:15,039 INFO L385 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 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] [2019-10-07 12:17:15,039 INFO L410 AbstractCegarLoop]: === Iteration 11 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 12:17:15,039 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 12:17:15,039 INFO L82 PathProgramCache]: Analyzing trace with hash 809219198, now seen corresponding path program 1 times [2019-10-07 12:17:15,039 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 12:17:15,040 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 12:17:15,040 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 12:17:15,040 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 12:17:15,040 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 12:17:15,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 12:17:15,353 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 23 proven. 10 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2019-10-07 12:17:15,353 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 12:17:15,353 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2019-10-07 12:17:15,353 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 12:17:16,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 12:17:16,416 INFO L256 TraceCheckSpWp]: Trace formula consists of 3517 conjuncts, 16 conjunts are in the unsatisfiable core [2019-10-07 12:17:16,422 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-07 12:17:16,631 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 18 proven. 11 refuted. 0 times theorem prover too weak. 140 trivial. 0 not checked. [2019-10-07 12:17:16,631 INFO L322 TraceCheckSpWp]: Computing backward predicates... [2019-10-07 12:17:16,948 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 12:17:17,567 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 24 proven. 5 refuted. 0 times theorem prover too weak. 140 trivial. 0 not checked. [2019-10-07 12:17:17,568 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2019-10-07 12:17:17,607 INFO L162 IcfgInterpreter]: Started Sifa with 106 locations of interest [2019-10-07 12:17:17,607 INFO L169 IcfgInterpreter]: Building call graph [2019-10-07 12:17:17,618 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-07 12:17:17,630 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-07 12:17:17,630 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-07 12:17:20,846 WARN L191 SmtUtils]: Spent 1.30 s on a formula simplification that was a NOOP. DAG size: 2238 [2019-10-07 12:18:01,990 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= |#t~string618.base| |~#version~0.base|) [2019-10-07 12:18:45,559 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= (select (select |#memory_$Pointer$.base| |~#card_names~0.base|) |~#card_names~0.offset|) |#t~string392.base|) [2019-10-07 12:20:49,170 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= |~#card_names~0.base| |~#sis900_pci_driver~0.base|) [2019-10-07 12:21:43,710 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= |#t~string243.base| |~#mii_chip_table~0.base|) [2019-10-07 12:21:45,720 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= |#t~string244.base| |~#mii_chip_table~0.base|) [2019-10-07 12:22:31,850 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= |#t~string755.base| |~#mii_chip_table~0.base|) [2019-10-07 12:22:41,678 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= |~#mii_chip_table~0.base| |#t~string924.base|) [2019-10-07 12:23:09,157 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= |#t~string243.base| |#t~string420.base|) [2019-10-07 12:24:11,906 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= |#t~string245.base| |#t~string247.base|) [2019-10-07 12:24:29,981 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= |#t~string245.base| |#t~string339.base|) [2019-10-07 12:25:44,601 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= |#t~string247.base| |#t~string249.base|) [2019-10-07 12:26:03,167 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= |#t~string247.base| |#t~string420.base|) [2019-10-07 12:29:08,916 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= |#t~string252.base| |#t~string254.base|) [2019-10-07 12:29:39,458 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= |#t~string252.base| |~#sis900_ethtool_ops~0.base|)