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/ai/svcomp-Reach-32bit-Automizer_Default+AIv2_INT.epf -i ../../../trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--natsemi--ns83820.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-efa34d5 [2019-09-16 17:25:24,025 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-16 17:25:24,027 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-16 17:25:24,039 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-16 17:25:24,039 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-16 17:25:24,040 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-16 17:25:24,042 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-16 17:25:24,044 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-16 17:25:24,045 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-16 17:25:24,046 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-16 17:25:24,047 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-16 17:25:24,048 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-16 17:25:24,049 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-16 17:25:24,050 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-16 17:25:24,051 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-16 17:25:24,052 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-16 17:25:24,053 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-16 17:25:24,054 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-16 17:25:24,056 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-16 17:25:24,058 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-16 17:25:24,059 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-16 17:25:24,060 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-16 17:25:24,061 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-16 17:25:24,062 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-16 17:25:24,064 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-16 17:25:24,065 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-16 17:25:24,065 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-16 17:25:24,066 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-16 17:25:24,066 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-16 17:25:24,067 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-16 17:25:24,068 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-16 17:25:24,068 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-16 17:25:24,069 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-16 17:25:24,070 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-16 17:25:24,071 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-16 17:25:24,071 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-16 17:25:24,072 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-16 17:25:24,072 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-16 17:25:24,072 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-16 17:25:24,073 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-16 17:25:24,074 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-16 17:25:24,075 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/svcomp-Reach-32bit-Automizer_Default+AIv2_INT.epf [2019-09-16 17:25:24,089 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-16 17:25:24,090 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-16 17:25:24,090 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-16 17:25:24,090 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-16 17:25:24,091 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-16 17:25:24,091 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-16 17:25:24,091 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-16 17:25:24,091 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-16 17:25:24,092 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-16 17:25:24,092 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-16 17:25:24,093 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-16 17:25:24,093 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-16 17:25:24,093 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-16 17:25:24,093 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-16 17:25:24,094 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-16 17:25:24,094 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-16 17:25:24,094 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-16 17:25:24,094 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-16 17:25:24,094 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-16 17:25:24,095 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-16 17:25:24,095 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-16 17:25:24,095 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-16 17:25:24,095 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-16 17:25:24,095 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-16 17:25:24,096 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-16 17:25:24,096 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-16 17:25:24,096 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-16 17:25:24,096 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-16 17:25:24,097 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-16 17:25:24,097 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-16 17:25:24,125 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-16 17:25:24,137 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-16 17:25:24,141 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-16 17:25:24,143 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-16 17:25:24,143 INFO L275 PluginConnector]: CDTParser initialized [2019-09-16 17:25:24,144 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--natsemi--ns83820.ko-entry_point.cil.out.i [2019-09-16 17:25:24,203 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/31fb84c50/d3a8e9e1b7c24092b4a6149595e0782d/FLAG35bfe2f9f [2019-09-16 17:25:25,071 INFO L306 CDTParser]: Found 1 translation units. [2019-09-16 17:25:25,072 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--natsemi--ns83820.ko-entry_point.cil.out.i [2019-09-16 17:25:25,121 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/31fb84c50/d3a8e9e1b7c24092b4a6149595e0782d/FLAG35bfe2f9f [2019-09-16 17:25:25,542 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/31fb84c50/d3a8e9e1b7c24092b4a6149595e0782d [2019-09-16 17:25:25,552 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-16 17:25:25,553 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-16 17:25:25,555 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-16 17:25:25,555 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-16 17:25:25,559 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-16 17:25:25,560 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.09 05:25:25" (1/1) ... [2019-09-16 17:25:25,563 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@62bf86c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:25:25, skipping insertion in model container [2019-09-16 17:25:25,563 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.09 05:25:25" (1/1) ... [2019-09-16 17:25:25,572 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-16 17:25:25,732 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-16 17:25:28,457 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-16 17:25:28,511 INFO L188 MainTranslator]: Completed pre-run [2019-09-16 17:25:28,963 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-16 17:25:29,438 INFO L192 MainTranslator]: Completed translation [2019-09-16 17:25:29,440 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:25:29 WrapperNode [2019-09-16 17:25:29,440 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-16 17:25:29,441 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-16 17:25:29,441 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-16 17:25:29,441 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-16 17:25:29,456 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:25:29" (1/1) ... [2019-09-16 17:25:29,458 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:25:29" (1/1) ... [2019-09-16 17:25:29,558 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:25:29" (1/1) ... [2019-09-16 17:25:29,560 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:25:29" (1/1) ... [2019-09-16 17:25:29,713 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:25:29" (1/1) ... [2019-09-16 17:25:29,742 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:25:29" (1/1) ... [2019-09-16 17:25:29,776 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:25:29" (1/1) ... [2019-09-16 17:25:29,801 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-16 17:25:29,804 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-16 17:25:29,804 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-16 17:25:29,804 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-16 17:25:29,805 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:25:29" (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 [2019-09-16 17:25:29,885 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-16 17:25:29,885 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-16 17:25:29,886 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2019-09-16 17:25:29,886 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2019-09-16 17:25:29,886 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2019-09-16 17:25:29,886 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2019-09-16 17:25:29,887 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2019-09-16 17:25:29,887 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2019-09-16 17:25:29,887 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_clear_bit [2019-09-16 17:25:29,887 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2019-09-16 17:25:29,888 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2019-09-16 17:25:29,888 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-09-16 17:25:29,888 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-09-16 17:25:29,888 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2019-09-16 17:25:29,889 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2019-09-16 17:25:29,889 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2019-09-16 17:25:29,889 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ptr [2019-09-16 17:25:29,889 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2019-09-16 17:25:29,890 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2019-09-16 17:25:29,890 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2019-09-16 17:25:29,890 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2019-09-16 17:25:29,891 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2019-09-16 17:25:29,891 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2019-09-16 17:25:29,891 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2019-09-16 17:25:29,891 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2019-09-16 17:25:29,891 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_5 [2019-09-16 17:25:29,892 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_irq_8 [2019-09-16 17:25:29,892 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_9 [2019-09-16 17:25:29,892 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irq_11 [2019-09-16 17:25:29,892 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_12 [2019-09-16 17:25:29,892 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work [2019-09-16 17:25:29,893 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2019-09-16 17:25:29,893 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2019-09-16 17:25:29,893 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2019-09-16 17:25:29,893 INFO L138 BoogieDeclarations]: Found implementation of procedure kobject_name [2019-09-16 17:25:29,893 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2019-09-16 17:25:29,894 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2019-09-16 17:25:29,894 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2019-09-16 17:25:29,894 INFO L138 BoogieDeclarations]: Found implementation of procedure lowmem_page_address [2019-09-16 17:25:29,894 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2019-09-16 17:25:29,894 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2019-09-16 17:25:29,895 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2019-09-16 17:25:29,895 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2019-09-16 17:25:29,895 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2019-09-16 17:25:29,895 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_page [2019-09-16 17:25:29,895 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_page [2019-09-16 17:25:29,896 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2019-09-16 17:25:29,896 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2019-09-16 17:25:29,896 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2019-09-16 17:25:29,896 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2019-09-16 17:25:29,896 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_page [2019-09-16 17:25:29,896 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_dma_mask [2019-09-16 17:25:29,897 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2019-09-16 17:25:29,897 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_drvdata [2019-09-16 17:25:29,897 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2019-09-16 17:25:29,897 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_size [2019-09-16 17:25:29,897 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2019-09-16 17:25:29,898 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2019-09-16 17:25:29,898 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_header [2019-09-16 17:25:29,898 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_page [2019-09-16 17:25:29,898 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_dma_map [2019-09-16 17:25:29,898 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_checksum_none_assert [2019-09-16 17:25:29,899 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2019-09-16 17:25:29,899 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2019-09-16 17:25:29,899 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_schedule [2019-09-16 17:25:29,899 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2019-09-16 17:25:29,899 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2019-09-16 17:25:29,900 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2019-09-16 17:25:29,900 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2019-09-16 17:25:29,900 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2019-09-16 17:25:29,900 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2019-09-16 17:25:29,900 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2019-09-16 17:25:29,901 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_queue_stopped [2019-09-16 17:25:29,901 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_queue_stopped [2019-09-16 17:25:29,901 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_irq [2019-09-16 17:25:29,901 INFO L138 BoogieDeclarations]: Found implementation of procedure ip_hdr [2019-09-16 17:25:29,901 INFO L138 BoogieDeclarations]: Found implementation of procedure __vlan_hwaccel_put_tag [2019-09-16 17:25:29,902 INFO L138 BoogieDeclarations]: Found implementation of procedure PRIV [2019-09-16 17:25:29,902 INFO L138 BoogieDeclarations]: Found implementation of procedure kick_rx [2019-09-16 17:25:29,902 INFO L138 BoogieDeclarations]: Found implementation of procedure build_rx_desc [2019-09-16 17:25:29,902 INFO L138 BoogieDeclarations]: Found implementation of procedure ns83820_add_rx_skb [2019-09-16 17:25:29,902 INFO L138 BoogieDeclarations]: Found implementation of procedure rx_refill [2019-09-16 17:25:29,903 INFO L138 BoogieDeclarations]: Found implementation of procedure rx_refill_atomic [2019-09-16 17:25:29,903 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_refill [2019-09-16 17:25:29,903 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_rx_desc [2019-09-16 17:25:29,903 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_intr [2019-09-16 17:25:29,903 INFO L138 BoogieDeclarations]: Found implementation of procedure ns83820_setup_rx [2019-09-16 17:25:29,903 INFO L138 BoogieDeclarations]: Found implementation of procedure ns83820_cleanup_rx [2019-09-16 17:25:29,904 INFO L138 BoogieDeclarations]: Found implementation of procedure ns83820_rx_kick [2019-09-16 17:25:29,904 INFO L138 BoogieDeclarations]: Found implementation of procedure rx_irq [2019-09-16 17:25:29,904 INFO L138 BoogieDeclarations]: Found implementation of procedure rx_action [2019-09-16 17:25:29,904 INFO L138 BoogieDeclarations]: Found implementation of procedure kick_tx [2019-09-16 17:25:29,904 INFO L138 BoogieDeclarations]: Found implementation of procedure do_tx_done [2019-09-16 17:25:29,905 INFO L138 BoogieDeclarations]: Found implementation of procedure ns83820_cleanup_tx [2019-09-16 17:25:29,905 INFO L138 BoogieDeclarations]: Found implementation of procedure ns83820_hard_start_xmit [2019-09-16 17:25:29,905 INFO L138 BoogieDeclarations]: Found implementation of procedure ns83820_update_stats [2019-09-16 17:25:29,905 INFO L138 BoogieDeclarations]: Found implementation of procedure ns83820_get_stats [2019-09-16 17:25:29,905 INFO L138 BoogieDeclarations]: Found implementation of procedure ns83820_get_settings [2019-09-16 17:25:29,906 INFO L138 BoogieDeclarations]: Found implementation of procedure ns83820_set_settings [2019-09-16 17:25:29,906 INFO L138 BoogieDeclarations]: Found implementation of procedure ns83820_get_drvinfo [2019-09-16 17:25:29,906 INFO L138 BoogieDeclarations]: Found implementation of procedure ns83820_get_link [2019-09-16 17:25:29,906 INFO L138 BoogieDeclarations]: Found implementation of procedure ns83820_disable_interrupts [2019-09-16 17:25:29,906 INFO L138 BoogieDeclarations]: Found implementation of procedure ns83820_mib_isr [2019-09-16 17:25:29,907 INFO L138 BoogieDeclarations]: Found implementation of procedure ns83820_irq [2019-09-16 17:25:29,907 INFO L138 BoogieDeclarations]: Found implementation of procedure ns83820_do_isr [2019-09-16 17:25:29,907 INFO L138 BoogieDeclarations]: Found implementation of procedure ns83820_do_reset [2019-09-16 17:25:29,907 INFO L138 BoogieDeclarations]: Found implementation of procedure ns83820_stop [2019-09-16 17:25:29,907 INFO L138 BoogieDeclarations]: Found implementation of procedure ns83820_tx_timeout [2019-09-16 17:25:29,907 INFO L138 BoogieDeclarations]: Found implementation of procedure ns83820_tx_watch [2019-09-16 17:25:29,908 INFO L138 BoogieDeclarations]: Found implementation of procedure ns83820_open [2019-09-16 17:25:29,908 INFO L138 BoogieDeclarations]: Found implementation of procedure ns83820_getmac [2019-09-16 17:25:29,908 INFO L138 BoogieDeclarations]: Found implementation of procedure ns83820_change_mtu [2019-09-16 17:25:29,908 INFO L138 BoogieDeclarations]: Found implementation of procedure ns83820_set_multicast [2019-09-16 17:25:29,908 INFO L138 BoogieDeclarations]: Found implementation of procedure ns83820_run_bist [2019-09-16 17:25:29,908 INFO L138 BoogieDeclarations]: Found implementation of procedure ns83820_init_one [2019-09-16 17:25:29,909 INFO L138 BoogieDeclarations]: Found implementation of procedure ns83820_remove_one [2019-09-16 17:25:29,909 INFO L138 BoogieDeclarations]: Found implementation of procedure ns83820_init [2019-09-16 17:25:29,909 INFO L138 BoogieDeclarations]: Found implementation of procedure ns83820_exit [2019-09-16 17:25:29,909 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_3 [2019-09-16 17:25:29,909 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_net_device_ops_5 [2019-09-16 17:25:29,910 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_work_2 [2019-09-16 17:25:29,910 INFO L138 BoogieDeclarations]: Found implementation of procedure work_init_2 [2019-09-16 17:25:29,910 INFO L138 BoogieDeclarations]: Found implementation of procedure choose_timer_3 [2019-09-16 17:25:29,910 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_irq_1 [2019-09-16 17:25:29,910 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_all_2 [2019-09-16 17:25:29,910 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_check_1 [2019-09-16 17:25:29,911 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_irq_1 [2019-09-16 17:25:29,911 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2019-09-16 17:25:29,911 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_3 [2019-09-16 17:25:29,911 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_2 [2019-09-16 17:25:29,912 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_3 [2019-09-16 17:25:29,912 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_ethtool_ops_6 [2019-09-16 17:25:29,912 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pci_driver_4 [2019-09-16 17:25:29,912 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_work_2 [2019-09-16 17:25:29,913 INFO L138 BoogieDeclarations]: Found implementation of procedure choose_interrupt_1 [2019-09-16 17:25:29,913 INFO L138 BoogieDeclarations]: Found implementation of procedure invoke_work_2 [2019-09-16 17:25:29,913 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-16 17:25:29,913 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2019-09-16 17:25:29,914 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2019-09-16 17:25:29,914 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2019-09-16 17:25:29,914 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2019-09-16 17:25:29,914 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2019-09-16 17:25:29,914 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_queue_work_on_15 [2019-09-16 17:25:29,915 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_queue_delayed_work_on_16 [2019-09-16 17:25:29,915 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_queue_work_on_17 [2019-09-16 17:25:29,915 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_flush_workqueue_18 [2019-09-16 17:25:29,915 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_queue_delayed_work_on_19 [2019-09-16 17:25:29,915 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kmem_cache_alloc_25 [2019-09-16 17:25:29,916 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pskb_expand_head_31 [2019-09-16 17:25:29,916 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_clone_33 [2019-09-16 17:25:29,916 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_copy_35 [2019-09-16 17:25:29,916 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___netdev_alloc_skb_36 [2019-09-16 17:25:29,917 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___netdev_alloc_skb_37 [2019-09-16 17:25:29,917 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___netdev_alloc_skb_38 [2019-09-16 17:25:29,917 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pskb_expand_head_39 [2019-09-16 17:25:29,917 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pskb_expand_head_40 [2019-09-16 17:25:29,917 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_clone_41 [2019-09-16 17:25:29,918 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___netdev_alloc_skb_42 [2019-09-16 17:25:29,918 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync_43 [2019-09-16 17:25:29,918 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer_44 [2019-09-16 17:25:29,918 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer_45 [2019-09-16 17:25:29,918 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq_46 [2019-09-16 17:25:29,919 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq_47 [2019-09-16 17:25:29,919 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq_48 [2019-09-16 17:25:29,919 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___pci_register_driver_49 [2019-09-16 17:25:29,919 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pci_unregister_driver_50 [2019-09-16 17:25:29,919 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2019-09-16 17:25:29,919 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2019-09-16 17:25:29,920 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2019-09-16 17:25:29,920 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2019-09-16 17:25:29,920 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2019-09-16 17:25:29,920 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2019-09-16 17:25:29,920 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags_and_return_some_page [2019-09-16 17:25:29,921 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_nonatomic [2019-09-16 17:25:29,921 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2019-09-16 17:25:29,921 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2019-09-16 17:25:29,921 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock [2019-09-16 17:25:29,921 INFO L138 BoogieDeclarations]: Found implementation of procedure __dev_kfree_skb_irq [2019-09-16 17:25:29,921 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2019-09-16 17:25:29,922 INFO L138 BoogieDeclarations]: Found implementation of procedure __pci_register_driver [2019-09-16 17:25:29,922 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2019-09-16 17:25:29,922 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2019-09-16 17:25:29,922 INFO L138 BoogieDeclarations]: Found implementation of procedure __tasklet_schedule [2019-09-16 17:25:29,922 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2019-09-16 17:25:29,922 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock [2019-09-16 17:25:29,923 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irq [2019-09-16 17:25:29,923 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock [2019-09-16 17:25:29,923 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irq [2019-09-16 17:25:29,923 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irqrestore [2019-09-16 17:25:29,923 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_etherdev_mqs [2019-09-16 17:25:29,923 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2019-09-16 17:25:29,924 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2019-09-16 17:25:29,924 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2019-09-16 17:25:29,924 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_alloc_name [2019-09-16 17:25:29,924 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_trans_start [2019-09-16 17:25:29,924 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_warn [2019-09-16 17:25:29,925 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2019-09-16 17:25:29,925 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2019-09-16 17:25:29,925 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_set_mask [2019-09-16 17:25:29,925 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_mac_addr [2019-09-16 17:25:29,926 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_type_trans [2019-09-16 17:25:29,926 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2019-09-16 17:25:29,926 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_workqueue [2019-09-16 17:25:29,926 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2019-09-16 17:25:29,926 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2019-09-16 17:25:29,927 INFO L138 BoogieDeclarations]: Found implementation of procedure ioremap_nocache [2019-09-16 17:25:29,927 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2019-09-16 17:25:29,927 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2019-09-16 17:25:29,927 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-09-16 17:25:29,927 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-09-16 17:25:29,928 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ndo_init_5 [2019-09-16 17:25:29,928 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ndo_uninit_5 [2019-09-16 17:25:29,928 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_shutdown_4 [2019-09-16 17:25:29,928 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_some_page [2019-09-16 17:25:29,928 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2019-09-16 17:25:29,929 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2019-09-16 17:25:29,929 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2019-09-16 17:25:29,929 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_rx [2019-09-16 17:25:29,929 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_wake_queue [2019-09-16 17:25:29,929 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2019-09-16 17:25:29,930 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2019-09-16 17:25:29,930 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2019-09-16 17:25:29,930 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unregister_driver [2019-09-16 17:25:29,930 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2019-09-16 17:25:29,930 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work_on [2019-09-16 17:25:29,931 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2019-09-16 17:25:29,931 INFO L138 BoogieDeclarations]: Found implementation of procedure register_netdevice [2019-09-16 17:25:29,931 INFO L138 BoogieDeclarations]: Found implementation of procedure request_threaded_irq [2019-09-16 17:25:29,931 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_lock [2019-09-16 17:25:29,931 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_unlock [2019-09-16 17:25:29,932 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2019-09-16 17:25:29,932 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout_uninterruptible [2019-09-16 17:25:29,932 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2019-09-16 17:25:29,932 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2019-09-16 17:25:29,932 INFO L138 BoogieDeclarations]: Found implementation of procedure synchronize_irq [2019-09-16 17:25:29,932 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_init [2019-09-16 17:25:29,933 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2019-09-16 17:25:29,933 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-09-16 17:25:29,933 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-09-16 17:25:29,933 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-09-16 17:25:29,934 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-09-16 17:25:29,934 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-16 17:25:29,934 INFO L130 BoogieDeclarations]: Found specification of procedure __builtin_prefetch [2019-09-16 17:25:29,934 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2019-09-16 17:25:29,934 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2019-09-16 17:25:29,934 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2019-09-16 17:25:29,935 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2019-09-16 17:25:29,935 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_clear_bit [2019-09-16 17:25:29,935 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2019-09-16 17:25:29,935 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-16 17:25:29,935 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2019-09-16 17:25:29,935 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2019-09-16 17:25:29,936 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2019-09-16 17:25:29,936 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2019-09-16 17:25:29,936 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-16 17:25:29,936 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-09-16 17:25:29,936 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-09-16 17:25:29,936 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-16 17:25:29,937 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-09-16 17:25:29,937 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-09-16 17:25:29,937 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-16 17:25:29,937 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-09-16 17:25:29,937 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-16 17:25:30,000 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-09-16 17:25:30,001 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-09-16 17:25:30,001 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2019-09-16 17:25:30,001 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2019-09-16 17:25:30,002 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-09-16 17:25:30,002 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2019-09-16 17:25:30,002 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ptr [2019-09-16 17:25:30,002 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2019-09-16 17:25:30,002 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2019-09-16 17:25:30,002 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2019-09-16 17:25:30,002 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-16 17:25:30,002 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2019-09-16 17:25:30,003 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2019-09-16 17:25:30,003 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2019-09-16 17:25:30,003 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2019-09-16 17:25:30,003 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2019-09-16 17:25:30,006 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2019-09-16 17:25:30,007 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2019-09-16 17:25:30,007 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock [2019-09-16 17:25:30,007 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irq [2019-09-16 17:25:30,007 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock [2019-09-16 17:25:30,007 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irq [2019-09-16 17:25:30,008 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore [2019-09-16 17:25:30,008 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2019-09-16 17:25:30,008 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_5 [2019-09-16 17:25:30,008 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2019-09-16 17:25:30,008 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_irq_8 [2019-09-16 17:25:30,008 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2019-09-16 17:25:30,009 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_9 [2019-09-16 17:25:30,009 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2019-09-16 17:25:30,009 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irq_11 [2019-09-16 17:25:30,009 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2019-09-16 17:25:30,010 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_12 [2019-09-16 17:25:30,011 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2019-09-16 17:25:30,011 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2019-09-16 17:25:30,011 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer_44 [2019-09-16 17:25:30,011 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer_45 [2019-09-16 17:25:30,011 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2019-09-16 17:25:30,011 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync_43 [2019-09-16 17:25:30,011 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2019-09-16 17:25:30,012 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2019-09-16 17:25:30,012 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_queue_work_on_15 [2019-09-16 17:25:30,012 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_queue_work_on_17 [2019-09-16 17:25:30,012 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work_on [2019-09-16 17:25:30,012 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_queue_delayed_work_on_16 [2019-09-16 17:25:30,012 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_queue_delayed_work_on_19 [2019-09-16 17:25:30,012 INFO L130 BoogieDeclarations]: Found specification of procedure flush_workqueue [2019-09-16 17:25:30,013 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_flush_workqueue_18 [2019-09-16 17:25:30,013 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work [2019-09-16 17:25:30,013 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2019-09-16 17:25:30,013 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2019-09-16 17:25:30,013 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2019-09-16 17:25:30,013 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap_nocache [2019-09-16 17:25:30,013 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2019-09-16 17:25:30,013 INFO L130 BoogieDeclarations]: Found specification of procedure kobject_name [2019-09-16 17:25:30,014 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-16 17:25:30,014 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout_uninterruptible [2019-09-16 17:25:30,014 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2019-09-16 17:25:30,014 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kmem_cache_alloc_25 [2019-09-16 17:25:30,014 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2019-09-16 17:25:30,014 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_3 [2019-09-16 17:25:30,014 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_net_device_ops_5 [2019-09-16 17:25:30,015 INFO L130 BoogieDeclarations]: Found specification of procedure disable_work_2 [2019-09-16 17:25:30,015 INFO L130 BoogieDeclarations]: Found specification of procedure work_init_2 [2019-09-16 17:25:30,015 INFO L130 BoogieDeclarations]: Found specification of procedure choose_timer_3 [2019-09-16 17:25:30,015 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_irq_1 [2019-09-16 17:25:30,015 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_all_2 [2019-09-16 17:25:30,015 INFO L130 BoogieDeclarations]: Found specification of procedure reg_check_1 [2019-09-16 17:25:30,015 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_irq_1 [2019-09-16 17:25:30,016 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2019-09-16 17:25:30,016 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_3 [2019-09-16 17:25:30,016 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_2 [2019-09-16 17:25:30,016 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_3 [2019-09-16 17:25:30,016 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_ethtool_ops_6 [2019-09-16 17:25:30,016 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pci_driver_4 [2019-09-16 17:25:30,017 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_work_2 [2019-09-16 17:25:30,017 INFO L130 BoogieDeclarations]: Found specification of procedure choose_interrupt_1 [2019-09-16 17:25:30,017 INFO L130 BoogieDeclarations]: Found specification of procedure invoke_work_2 [2019-09-16 17:25:30,017 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2019-09-16 17:25:30,017 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2019-09-16 17:25:30,017 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2019-09-16 17:25:30,017 INFO L130 BoogieDeclarations]: Found specification of procedure dev_warn [2019-09-16 17:25:30,018 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2019-09-16 17:25:30,018 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2019-09-16 17:25:30,018 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2019-09-16 17:25:30,018 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2019-09-16 17:25:30,018 INFO L130 BoogieDeclarations]: Found specification of procedure __pci_register_driver [2019-09-16 17:25:30,018 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___pci_register_driver_49 [2019-09-16 17:25:30,018 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unregister_driver [2019-09-16 17:25:30,018 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pci_unregister_driver_50 [2019-09-16 17:25:30,019 INFO L130 BoogieDeclarations]: Found specification of procedure lowmem_page_address [2019-09-16 17:25:30,019 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2019-09-16 17:25:30,019 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2019-09-16 17:25:30,019 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2019-09-16 17:25:30,019 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2019-09-16 17:25:30,019 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2019-09-16 17:25:30,019 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2019-09-16 17:25:30,019 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2019-09-16 17:25:30,020 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2019-09-16 17:25:30,020 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2019-09-16 17:25:30,020 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_page [2019-09-16 17:25:30,020 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_page [2019-09-16 17:25:30,020 INFO L130 BoogieDeclarations]: Found specification of procedure dma_set_mask [2019-09-16 17:25:30,020 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2019-09-16 17:25:30,020 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2019-09-16 17:25:30,020 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2019-09-16 17:25:30,021 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2019-09-16 17:25:30,021 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2019-09-16 17:25:30,021 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2019-09-16 17:25:30,021 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_page [2019-09-16 17:25:30,021 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_dma_mask [2019-09-16 17:25:30,021 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2019-09-16 17:25:30,021 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_drvdata [2019-09-16 17:25:30,022 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2019-09-16 17:25:30,022 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2019-09-16 17:25:30,022 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_size [2019-09-16 17:25:30,022 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2019-09-16 17:25:30,022 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_clone_33 [2019-09-16 17:25:30,022 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_clone_41 [2019-09-16 17:25:30,022 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_copy_35 [2019-09-16 17:25:30,022 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pskb_expand_head_31 [2019-09-16 17:25:30,023 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pskb_expand_head_39 [2019-09-16 17:25:30,023 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pskb_expand_head_40 [2019-09-16 17:25:30,023 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2019-09-16 17:25:30,023 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2019-09-16 17:25:30,023 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2019-09-16 17:25:30,023 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-16 17:25:30,023 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_header [2019-09-16 17:25:30,024 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___netdev_alloc_skb_36 [2019-09-16 17:25:30,024 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___netdev_alloc_skb_37 [2019-09-16 17:25:30,024 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___netdev_alloc_skb_38 [2019-09-16 17:25:30,024 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___netdev_alloc_skb_42 [2019-09-16 17:25:30,027 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_page [2019-09-16 17:25:30,027 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_dma_map [2019-09-16 17:25:30,027 INFO L130 BoogieDeclarations]: Found specification of procedure skb_checksum_none_assert [2019-09-16 17:25:30,028 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2019-09-16 17:25:30,035 INFO L130 BoogieDeclarations]: Found specification of procedure synchronize_irq [2019-09-16 17:25:30,035 INFO L130 BoogieDeclarations]: Found specification of procedure request_threaded_irq [2019-09-16 17:25:30,035 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2019-09-16 17:25:30,035 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq_46 [2019-09-16 17:25:30,035 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2019-09-16 17:25:30,035 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq_47 [2019-09-16 17:25:30,035 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq_48 [2019-09-16 17:25:30,036 INFO L130 BoogieDeclarations]: Found specification of procedure __tasklet_schedule [2019-09-16 17:25:30,036 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_schedule [2019-09-16 17:25:30,036 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_init [2019-09-16 17:25:30,036 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2019-09-16 17:25:30,039 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2019-09-16 17:25:30,039 INFO L130 BoogieDeclarations]: Found specification of procedure dev_alloc_name [2019-09-16 17:25:30,039 INFO L130 BoogieDeclarations]: Found specification of procedure register_netdevice [2019-09-16 17:25:30,039 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2019-09-16 17:25:30,039 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2019-09-16 17:25:30,039 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2019-09-16 17:25:30,040 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_wake_queue [2019-09-16 17:25:30,040 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2019-09-16 17:25:30,040 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2019-09-16 17:25:30,040 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2019-09-16 17:25:30,040 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_queue_stopped [2019-09-16 17:25:30,040 INFO L130 BoogieDeclarations]: Found specification of procedure netif_queue_stopped [2019-09-16 17:25:30,040 INFO L130 BoogieDeclarations]: Found specification of procedure __dev_kfree_skb_irq [2019-09-16 17:25:30,040 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_irq [2019-09-16 17:25:30,041 INFO L130 BoogieDeclarations]: Found specification of procedure netif_rx [2019-09-16 17:25:30,041 INFO L130 BoogieDeclarations]: Found specification of procedure dev_trans_start [2019-09-16 17:25:30,041 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2019-09-16 17:25:30,041 INFO L130 BoogieDeclarations]: Found specification of procedure eth_type_trans [2019-09-16 17:25:30,042 INFO L130 BoogieDeclarations]: Found specification of procedure eth_mac_addr [2019-09-16 17:25:30,043 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2019-09-16 17:25:30,043 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_etherdev_mqs [2019-09-16 17:25:30,043 INFO L130 BoogieDeclarations]: Found specification of procedure ip_hdr [2019-09-16 17:25:30,043 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_lock [2019-09-16 17:25:30,043 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_unlock [2019-09-16 17:25:30,043 INFO L130 BoogieDeclarations]: Found specification of procedure __vlan_hwaccel_put_tag [2019-09-16 17:25:30,044 INFO L130 BoogieDeclarations]: Found specification of procedure PRIV [2019-09-16 17:25:30,044 INFO L130 BoogieDeclarations]: Found specification of procedure kick_rx [2019-09-16 17:25:30,044 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-16 17:25:30,044 INFO L130 BoogieDeclarations]: Found specification of procedure build_rx_desc [2019-09-16 17:25:30,044 INFO L130 BoogieDeclarations]: Found specification of procedure ns83820_add_rx_skb [2019-09-16 17:25:30,044 INFO L130 BoogieDeclarations]: Found specification of procedure rx_refill [2019-09-16 17:25:30,044 INFO L130 BoogieDeclarations]: Found specification of procedure rx_refill_atomic [2019-09-16 17:25:30,044 INFO L130 BoogieDeclarations]: Found specification of procedure queue_refill [2019-09-16 17:25:30,045 INFO L130 BoogieDeclarations]: Found specification of procedure clear_rx_desc [2019-09-16 17:25:30,045 INFO L130 BoogieDeclarations]: Found specification of procedure phy_intr [2019-09-16 17:25:30,045 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-16 17:25:30,045 INFO L130 BoogieDeclarations]: Found specification of procedure ns83820_setup_rx [2019-09-16 17:25:30,045 INFO L130 BoogieDeclarations]: Found specification of procedure ns83820_cleanup_rx [2019-09-16 17:25:30,045 INFO L130 BoogieDeclarations]: Found specification of procedure ns83820_rx_kick [2019-09-16 17:25:30,045 INFO L130 BoogieDeclarations]: Found specification of procedure rx_irq [2019-09-16 17:25:30,045 INFO L130 BoogieDeclarations]: Found specification of procedure rx_action [2019-09-16 17:25:30,046 INFO L130 BoogieDeclarations]: Found specification of procedure kick_tx [2019-09-16 17:25:30,046 INFO L130 BoogieDeclarations]: Found specification of procedure do_tx_done [2019-09-16 17:25:30,046 INFO L130 BoogieDeclarations]: Found specification of procedure ns83820_cleanup_tx [2019-09-16 17:25:30,046 INFO L130 BoogieDeclarations]: Found specification of procedure ns83820_hard_start_xmit [2019-09-16 17:25:30,046 INFO L130 BoogieDeclarations]: Found specification of procedure ns83820_update_stats [2019-09-16 17:25:30,046 INFO L130 BoogieDeclarations]: Found specification of procedure ns83820_get_stats [2019-09-16 17:25:30,046 INFO L130 BoogieDeclarations]: Found specification of procedure ns83820_get_settings [2019-09-16 17:25:30,046 INFO L130 BoogieDeclarations]: Found specification of procedure ns83820_set_settings [2019-09-16 17:25:30,047 INFO L130 BoogieDeclarations]: Found specification of procedure ns83820_get_drvinfo [2019-09-16 17:25:30,047 INFO L130 BoogieDeclarations]: Found specification of procedure ns83820_get_link [2019-09-16 17:25:30,047 INFO L130 BoogieDeclarations]: Found specification of procedure ns83820_disable_interrupts [2019-09-16 17:25:30,047 INFO L130 BoogieDeclarations]: Found specification of procedure ns83820_mib_isr [2019-09-16 17:25:30,047 INFO L130 BoogieDeclarations]: Found specification of procedure ns83820_do_isr [2019-09-16 17:25:30,047 INFO L130 BoogieDeclarations]: Found specification of procedure ns83820_irq [2019-09-16 17:25:30,047 INFO L130 BoogieDeclarations]: Found specification of procedure ns83820_do_reset [2019-09-16 17:25:30,048 INFO L130 BoogieDeclarations]: Found specification of procedure ns83820_stop [2019-09-16 17:25:30,048 INFO L130 BoogieDeclarations]: Found specification of procedure ns83820_tx_timeout [2019-09-16 17:25:30,048 INFO L130 BoogieDeclarations]: Found specification of procedure ns83820_tx_watch [2019-09-16 17:25:30,048 INFO L130 BoogieDeclarations]: Found specification of procedure ns83820_open [2019-09-16 17:25:30,048 INFO L130 BoogieDeclarations]: Found specification of procedure ns83820_getmac [2019-09-16 17:25:30,048 INFO L130 BoogieDeclarations]: Found specification of procedure ns83820_change_mtu [2019-09-16 17:25:30,048 INFO L130 BoogieDeclarations]: Found specification of procedure ns83820_set_multicast [2019-09-16 17:25:30,048 INFO L130 BoogieDeclarations]: Found specification of procedure ns83820_run_bist [2019-09-16 17:25:30,049 INFO L130 BoogieDeclarations]: Found specification of procedure ns83820_init_one [2019-09-16 17:25:30,049 INFO L130 BoogieDeclarations]: Found specification of procedure ns83820_remove_one [2019-09-16 17:25:30,049 INFO L130 BoogieDeclarations]: Found specification of procedure ns83820_init [2019-09-16 17:25:30,049 INFO L130 BoogieDeclarations]: Found specification of procedure ns83820_exit [2019-09-16 17:25:30,049 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ndo_init_5 [2019-09-16 17:25:30,049 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-09-16 17:25:30,049 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-09-16 17:25:30,049 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ndo_uninit_5 [2019-09-16 17:25:30,050 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_shutdown_4 [2019-09-16 17:25:30,050 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2019-09-16 17:25:30,050 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-16 17:25:30,050 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2019-09-16 17:25:30,050 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2019-09-16 17:25:30,050 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2019-09-16 17:25:30,050 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2019-09-16 17:25:30,050 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2019-09-16 17:25:30,051 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_some_page [2019-09-16 17:25:30,051 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags_and_return_some_page [2019-09-16 17:25:30,051 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_nonatomic [2019-09-16 17:25:30,051 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock [2019-09-16 17:25:30,051 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-09-16 17:25:30,051 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ushort [2019-09-16 17:25:30,051 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-09-16 17:25:30,052 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2019-09-16 17:25:30,052 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-16 17:25:30,052 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-09-16 17:25:30,052 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-16 17:25:30,052 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-16 17:25:30,052 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-09-16 17:25:30,052 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-16 17:25:31,258 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2019-09-16 17:25:35,203 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-16 17:25:35,203 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-16 17:25:35,206 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.09 05:25:35 BoogieIcfgContainer [2019-09-16 17:25:35,206 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-16 17:25:35,210 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-16 17:25:35,210 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-16 17:25:35,214 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-16 17:25:35,215 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.09 05:25:25" (1/3) ... [2019-09-16 17:25:35,216 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6612aa7a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.09 05:25:35, skipping insertion in model container [2019-09-16 17:25:35,216 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:25:29" (2/3) ... [2019-09-16 17:25:35,216 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6612aa7a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.09 05:25:35, skipping insertion in model container [2019-09-16 17:25:35,216 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.09 05:25:35" (3/3) ... [2019-09-16 17:25:35,222 INFO L109 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--natsemi--ns83820.ko-entry_point.cil.out.i [2019-09-16 17:25:35,232 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-16 17:25:35,245 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-16 17:25:35,261 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-16 17:25:35,285 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-16 17:25:35,285 INFO L378 AbstractCegarLoop]: Hoare is false [2019-09-16 17:25:35,285 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-16 17:25:35,285 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-16 17:25:35,285 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-16 17:25:35,285 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-16 17:25:35,285 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-16 17:25:35,286 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-16 17:25:35,333 INFO L276 IsEmpty]: Start isEmpty. Operand 1943 states. [2019-09-16 17:25:35,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2019-09-16 17:25:35,361 INFO L399 BasicCegarLoop]: Found error trace [2019-09-16 17:25:35,362 INFO L407 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-16 17:25:35,364 INFO L418 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-16 17:25:35,369 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-16 17:25:35,370 INFO L82 PathProgramCache]: Analyzing trace with hash 855489541, now seen corresponding path program 1 times [2019-09-16 17:25:35,372 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-16 17:25:35,465 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 17:25:35,466 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 17:25:35,466 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 17:25:35,466 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-16 17:25:35,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 17:25:36,138 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2019-09-16 17:25:36,141 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-16 17:25:36,141 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-16 17:25:36,141 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-16 17:25:36,146 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-16 17:25:36,161 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-16 17:25:36,163 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-16 17:25:36,165 INFO L87 Difference]: Start difference. First operand 1943 states. Second operand 3 states. [2019-09-16 17:25:36,375 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-16 17:25:36,375 INFO L93 Difference]: Finished difference Result 1822 states and 2370 transitions. [2019-09-16 17:25:36,379 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-16 17:25:36,381 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 111 [2019-09-16 17:25:36,382 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-16 17:25:36,426 INFO L225 Difference]: With dead ends: 1822 [2019-09-16 17:25:36,427 INFO L226 Difference]: Without dead ends: 1788 [2019-09-16 17:25:36,429 INFO L636 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 [2019-09-16 17:25:36,456 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1788 states. [2019-09-16 17:25:36,626 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1788 to 1788. [2019-09-16 17:25:36,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1788 states. [2019-09-16 17:25:36,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1788 states to 1788 states and 2323 transitions. [2019-09-16 17:25:36,651 INFO L78 Accepts]: Start accepts. Automaton has 1788 states and 2323 transitions. Word has length 111 [2019-09-16 17:25:36,657 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-16 17:25:36,657 INFO L475 AbstractCegarLoop]: Abstraction has 1788 states and 2323 transitions. [2019-09-16 17:25:36,657 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-16 17:25:36,657 INFO L276 IsEmpty]: Start isEmpty. Operand 1788 states and 2323 transitions. [2019-09-16 17:25:37,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2019-09-16 17:25:37,239 INFO L399 BasicCegarLoop]: Found error trace [2019-09-16 17:25:37,240 INFO L407 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-16 17:25:37,240 INFO L418 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-16 17:25:37,241 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-16 17:25:37,241 INFO L82 PathProgramCache]: Analyzing trace with hash 1313702897, now seen corresponding path program 1 times [2019-09-16 17:25:37,241 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-16 17:25:37,255 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 17:25:37,255 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 17:25:37,255 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 17:25:37,255 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-16 17:25:37,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 17:25:37,483 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2019-09-16 17:25:37,483 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-16 17:25:37,484 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-16 17:25:37,484 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-16 17:25:37,485 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-16 17:25:37,486 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-16 17:25:37,486 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-16 17:25:37,486 INFO L87 Difference]: Start difference. First operand 1788 states and 2323 transitions. Second operand 3 states. [2019-09-16 17:25:37,582 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-16 17:25:37,582 INFO L93 Difference]: Finished difference Result 1669 states and 2147 transitions. [2019-09-16 17:25:37,583 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-16 17:25:37,583 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 155 [2019-09-16 17:25:37,584 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-16 17:25:37,594 INFO L225 Difference]: With dead ends: 1669 [2019-09-16 17:25:37,595 INFO L226 Difference]: Without dead ends: 1669 [2019-09-16 17:25:37,596 INFO L636 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 [2019-09-16 17:25:37,599 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1669 states. [2019-09-16 17:25:37,648 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1669 to 1669. [2019-09-16 17:25:37,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1669 states. [2019-09-16 17:25:37,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1669 states to 1669 states and 2147 transitions. [2019-09-16 17:25:37,660 INFO L78 Accepts]: Start accepts. Automaton has 1669 states and 2147 transitions. Word has length 155 [2019-09-16 17:25:37,661 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-16 17:25:37,661 INFO L475 AbstractCegarLoop]: Abstraction has 1669 states and 2147 transitions. [2019-09-16 17:25:37,661 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-16 17:25:37,661 INFO L276 IsEmpty]: Start isEmpty. Operand 1669 states and 2147 transitions. [2019-09-16 17:25:37,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2019-09-16 17:25:37,667 INFO L399 BasicCegarLoop]: Found error trace [2019-09-16 17:25:37,667 INFO L407 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2019-09-16 17:25:37,667 INFO L418 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-16 17:25:37,668 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-16 17:25:37,668 INFO L82 PathProgramCache]: Analyzing trace with hash 173113118, now seen corresponding path program 1 times [2019-09-16 17:25:37,668 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-16 17:25:37,680 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 17:25:37,680 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 17:25:37,681 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 17:25:37,681 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-16 17:25:37,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 17:25:37,914 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 87 trivial. 0 not checked. [2019-09-16 17:25:37,914 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-16 17:25:37,914 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-16 17:25:37,915 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-16 17:25:37,915 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-16 17:25:37,915 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-16 17:25:37,916 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-16 17:25:37,916 INFO L87 Difference]: Start difference. First operand 1669 states and 2147 transitions. Second operand 3 states. [2019-09-16 17:25:38,283 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-16 17:25:38,284 INFO L93 Difference]: Finished difference Result 2880 states and 3660 transitions. [2019-09-16 17:25:38,284 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-16 17:25:38,284 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 153 [2019-09-16 17:25:38,285 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-16 17:25:38,302 INFO L225 Difference]: With dead ends: 2880 [2019-09-16 17:25:38,302 INFO L226 Difference]: Without dead ends: 2880 [2019-09-16 17:25:38,303 INFO L636 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 [2019-09-16 17:25:38,309 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2880 states. [2019-09-16 17:25:38,404 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2880 to 2877. [2019-09-16 17:25:38,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2877 states. [2019-09-16 17:25:38,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2877 states to 2877 states and 3658 transitions. [2019-09-16 17:25:38,423 INFO L78 Accepts]: Start accepts. Automaton has 2877 states and 3658 transitions. Word has length 153 [2019-09-16 17:25:38,425 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-16 17:25:38,425 INFO L475 AbstractCegarLoop]: Abstraction has 2877 states and 3658 transitions. [2019-09-16 17:25:38,426 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-16 17:25:38,426 INFO L276 IsEmpty]: Start isEmpty. Operand 2877 states and 3658 transitions. [2019-09-16 17:25:38,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 253 [2019-09-16 17:25:38,436 INFO L399 BasicCegarLoop]: Found error trace [2019-09-16 17:25:38,436 INFO L407 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-16 17:25:38,436 INFO L418 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-16 17:25:38,437 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-16 17:25:38,437 INFO L82 PathProgramCache]: Analyzing trace with hash -985361221, now seen corresponding path program 1 times [2019-09-16 17:25:38,437 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-16 17:25:38,451 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 17:25:38,451 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 17:25:38,451 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 17:25:38,451 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-16 17:25:38,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 17:25:38,774 INFO L134 CoverageAnalysis]: Checked inductivity of 176 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 176 trivial. 0 not checked. [2019-09-16 17:25:38,774 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-16 17:25:38,774 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-16 17:25:38,774 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-16 17:25:38,776 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-16 17:25:38,776 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-16 17:25:38,776 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-16 17:25:38,777 INFO L87 Difference]: Start difference. First operand 2877 states and 3658 transitions. Second operand 3 states. [2019-09-16 17:25:38,914 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-16 17:25:38,914 INFO L93 Difference]: Finished difference Result 2279 states and 2917 transitions. [2019-09-16 17:25:38,915 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-16 17:25:38,915 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 252 [2019-09-16 17:25:38,916 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-16 17:25:38,931 INFO L225 Difference]: With dead ends: 2279 [2019-09-16 17:25:38,932 INFO L226 Difference]: Without dead ends: 2279 [2019-09-16 17:25:38,932 INFO L636 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 [2019-09-16 17:25:38,936 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2279 states. [2019-09-16 17:25:39,008 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2279 to 2279. [2019-09-16 17:25:39,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2279 states. [2019-09-16 17:25:39,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2279 states to 2279 states and 2917 transitions. [2019-09-16 17:25:39,023 INFO L78 Accepts]: Start accepts. Automaton has 2279 states and 2917 transitions. Word has length 252 [2019-09-16 17:25:39,024 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-16 17:25:39,024 INFO L475 AbstractCegarLoop]: Abstraction has 2279 states and 2917 transitions. [2019-09-16 17:25:39,024 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-16 17:25:39,024 INFO L276 IsEmpty]: Start isEmpty. Operand 2279 states and 2917 transitions. [2019-09-16 17:25:39,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 238 [2019-09-16 17:25:39,034 INFO L399 BasicCegarLoop]: Found error trace [2019-09-16 17:25:39,034 INFO L407 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-16 17:25:39,035 INFO L418 AbstractCegarLoop]: === Iteration 5 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-16 17:25:39,035 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-16 17:25:39,035 INFO L82 PathProgramCache]: Analyzing trace with hash -42006668, now seen corresponding path program 1 times [2019-09-16 17:25:39,036 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-16 17:25:39,048 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 17:25:39,049 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 17:25:39,049 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 17:25:39,049 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-16 17:25:39,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 17:25:39,349 INFO L134 CoverageAnalysis]: Checked inductivity of 290 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 285 trivial. 0 not checked. [2019-09-16 17:25:39,349 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-16 17:25:39,349 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-16 17:25:39,349 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-16 17:25:39,350 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-16 17:25:39,350 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-16 17:25:39,350 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-16 17:25:39,351 INFO L87 Difference]: Start difference. First operand 2279 states and 2917 transitions. Second operand 3 states. [2019-09-16 17:25:39,797 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-16 17:25:39,798 INFO L93 Difference]: Finished difference Result 3267 states and 4165 transitions. [2019-09-16 17:25:39,798 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-16 17:25:39,798 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 237 [2019-09-16 17:25:39,799 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-16 17:25:39,823 INFO L225 Difference]: With dead ends: 3267 [2019-09-16 17:25:39,823 INFO L226 Difference]: Without dead ends: 3267 [2019-09-16 17:25:39,823 INFO L636 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 [2019-09-16 17:25:39,831 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3267 states. [2019-09-16 17:25:39,950 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3267 to 3267. [2019-09-16 17:25:39,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3267 states. [2019-09-16 17:25:39,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3267 states to 3267 states and 4165 transitions. [2019-09-16 17:25:39,976 INFO L78 Accepts]: Start accepts. Automaton has 3267 states and 4165 transitions. Word has length 237 [2019-09-16 17:25:39,978 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-16 17:25:39,978 INFO L475 AbstractCegarLoop]: Abstraction has 3267 states and 4165 transitions. [2019-09-16 17:25:39,978 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-16 17:25:39,978 INFO L276 IsEmpty]: Start isEmpty. Operand 3267 states and 4165 transitions. [2019-09-16 17:25:39,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 264 [2019-09-16 17:25:39,990 INFO L399 BasicCegarLoop]: Found error trace [2019-09-16 17:25:39,990 INFO L407 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-16 17:25:39,991 INFO L418 AbstractCegarLoop]: === Iteration 6 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-16 17:25:39,991 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-16 17:25:39,991 INFO L82 PathProgramCache]: Analyzing trace with hash -855609322, now seen corresponding path program 1 times [2019-09-16 17:25:39,991 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-16 17:25:40,005 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 17:25:40,005 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 17:25:40,006 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 17:25:40,006 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-16 17:25:40,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 17:25:40,535 INFO L134 CoverageAnalysis]: Checked inductivity of 310 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 310 trivial. 0 not checked. [2019-09-16 17:25:40,536 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-16 17:25:40,536 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-16 17:25:40,536 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-16 17:25:40,537 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-16 17:25:40,537 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-16 17:25:40,537 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-16 17:25:40,538 INFO L87 Difference]: Start difference. First operand 3267 states and 4165 transitions. Second operand 3 states. [2019-09-16 17:25:40,612 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-16 17:25:40,612 INFO L93 Difference]: Finished difference Result 5520 states and 7044 transitions. [2019-09-16 17:25:40,613 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-16 17:25:40,613 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 263 [2019-09-16 17:25:40,614 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-16 17:25:40,652 INFO L225 Difference]: With dead ends: 5520 [2019-09-16 17:25:40,652 INFO L226 Difference]: Without dead ends: 5520 [2019-09-16 17:25:40,652 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-16 17:25:40,662 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5520 states. [2019-09-16 17:25:40,826 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5520 to 5465. [2019-09-16 17:25:40,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5465 states. [2019-09-16 17:25:40,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5465 states to 5465 states and 6958 transitions. [2019-09-16 17:25:40,850 INFO L78 Accepts]: Start accepts. Automaton has 5465 states and 6958 transitions. Word has length 263 [2019-09-16 17:25:40,851 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-16 17:25:40,851 INFO L475 AbstractCegarLoop]: Abstraction has 5465 states and 6958 transitions. [2019-09-16 17:25:40,851 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-16 17:25:40,851 INFO L276 IsEmpty]: Start isEmpty. Operand 5465 states and 6958 transitions. [2019-09-16 17:25:40,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268 [2019-09-16 17:25:40,866 INFO L399 BasicCegarLoop]: Found error trace [2019-09-16 17:25:40,866 INFO L407 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-16 17:25:40,866 INFO L418 AbstractCegarLoop]: === Iteration 7 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-16 17:25:40,867 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-16 17:25:40,867 INFO L82 PathProgramCache]: Analyzing trace with hash -1810210535, now seen corresponding path program 1 times [2019-09-16 17:25:40,867 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-16 17:25:40,881 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 17:25:40,881 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 17:25:40,881 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 17:25:40,881 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-16 17:25:41,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 17:25:41,341 INFO L134 CoverageAnalysis]: Checked inductivity of 310 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 310 trivial. 0 not checked. [2019-09-16 17:25:41,341 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-16 17:25:41,341 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-09-16 17:25:41,342 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-16 17:25:41,342 INFO L454 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-09-16 17:25:41,342 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-09-16 17:25:41,343 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-09-16 17:25:41,343 INFO L87 Difference]: Start difference. First operand 5465 states and 6958 transitions. Second operand 4 states. [2019-09-16 17:25:41,445 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-16 17:25:41,446 INFO L93 Difference]: Finished difference Result 3425 states and 4311 transitions. [2019-09-16 17:25:41,446 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-09-16 17:25:41,446 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 267 [2019-09-16 17:25:41,448 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-16 17:25:41,449 INFO L225 Difference]: With dead ends: 3425 [2019-09-16 17:25:41,449 INFO L226 Difference]: Without dead ends: 0 [2019-09-16 17:25:41,449 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-09-16 17:25:41,449 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-09-16 17:25:41,450 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-09-16 17:25:41,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-09-16 17:25:41,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-09-16 17:25:41,450 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 267 [2019-09-16 17:25:41,450 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-16 17:25:41,450 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-09-16 17:25:41,451 INFO L476 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-09-16 17:25:41,451 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-09-16 17:25:41,451 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-09-16 17:25:41,456 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.09 05:25:41 BoogieIcfgContainer [2019-09-16 17:25:41,457 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-09-16 17:25:41,460 INFO L168 Benchmark]: Toolchain (without parser) took 15905.03 ms. Allocated memory was 135.3 MB in the beginning and 698.4 MB in the end (delta: 563.1 MB). Free memory was 70.7 MB in the beginning and 299.3 MB in the end (delta: -228.6 MB). Peak memory consumption was 334.5 MB. Max. memory is 7.1 GB. [2019-09-16 17:25:41,462 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 135.3 MB. Free memory was 101.1 MB in the beginning and 100.9 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. [2019-09-16 17:25:41,463 INFO L168 Benchmark]: CACSL2BoogieTranslator took 3885.63 ms. Allocated memory was 135.3 MB in the beginning and 284.2 MB in the end (delta: 148.9 MB). Free memory was 70.5 MB in the beginning and 104.3 MB in the end (delta: -33.8 MB). Peak memory consumption was 115.1 MB. Max. memory is 7.1 GB. [2019-09-16 17:25:41,465 INFO L168 Benchmark]: Boogie Preprocessor took 362.57 ms. Allocated memory is still 284.2 MB. Free memory was 104.3 MB in the beginning and 75.8 MB in the end (delta: 28.5 MB). Peak memory consumption was 28.5 MB. Max. memory is 7.1 GB. [2019-09-16 17:25:41,467 INFO L168 Benchmark]: RCFGBuilder took 5402.94 ms. Allocated memory was 284.2 MB in the beginning and 415.8 MB in the end (delta: 131.6 MB). Free memory was 75.8 MB in the beginning and 176.8 MB in the end (delta: -101.0 MB). Peak memory consumption was 166.8 MB. Max. memory is 7.1 GB. [2019-09-16 17:25:41,468 INFO L168 Benchmark]: TraceAbstraction took 6246.87 ms. Allocated memory was 415.8 MB in the beginning and 698.4 MB in the end (delta: 282.6 MB). Free memory was 176.8 MB in the beginning and 299.3 MB in the end (delta: -122.5 MB). Peak memory consumption was 160.1 MB. Max. memory is 7.1 GB. [2019-09-16 17:25:41,481 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 135.3 MB. Free memory was 101.1 MB in the beginning and 100.9 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 3885.63 ms. Allocated memory was 135.3 MB in the beginning and 284.2 MB in the end (delta: 148.9 MB). Free memory was 70.5 MB in the beginning and 104.3 MB in the end (delta: -33.8 MB). Peak memory consumption was 115.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 362.57 ms. Allocated memory is still 284.2 MB. Free memory was 104.3 MB in the beginning and 75.8 MB in the end (delta: 28.5 MB). Peak memory consumption was 28.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 5402.94 ms. Allocated memory was 284.2 MB in the beginning and 415.8 MB in the end (delta: 131.6 MB). Free memory was 75.8 MB in the beginning and 176.8 MB in the end (delta: -101.0 MB). Peak memory consumption was 166.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 6246.87 ms. Allocated memory was 415.8 MB in the beginning and 698.4 MB in the end (delta: 282.6 MB). Free memory was 176.8 MB in the beginning and 299.3 MB in the end (delta: -122.5 MB). Peak memory consumption was 160.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 8983]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 241 procedures, 2046 locations, 1 error locations. SAFE Result, 6.1s OverallTime, 7 OverallIterations, 8 TraceHistogramMax, 1.6s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 16193 SDtfs, 10758 SDslu, 9438 SDs, 0 SdLazy, 165 SolverSat, 57 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 28 GetRequests, 18 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=5465occurred in iteration=6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.8s AutomataMinimizationTime, 7 MinimizatonAttempts, 58 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 1.4s InterpolantComputationTime, 1438 NumberOfCodeBlocks, 1438 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 1431 ConstructedInterpolants, 0 QuantifiedInterpolants, 405439 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 PerfectInterpolantSequences, 1329/1329 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...