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-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ethernet--dec--tulip--xircom_cb.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-10 10:57:39,511 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-10 10:57:39,514 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-10 10:57:39,525 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-10 10:57:39,526 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-10 10:57:39,527 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-10 10:57:39,528 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-10 10:57:39,530 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-10 10:57:39,532 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-10 10:57:39,532 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-10 10:57:39,533 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-10 10:57:39,534 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-10 10:57:39,535 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-10 10:57:39,536 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-10 10:57:39,536 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-10 10:57:39,538 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-10 10:57:39,538 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-10 10:57:39,539 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-10 10:57:39,541 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-10 10:57:39,543 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-10 10:57:39,544 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-10 10:57:39,545 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-10 10:57:39,546 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-10 10:57:39,547 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-10 10:57:39,549 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-10 10:57:39,549 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-10 10:57:39,550 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-10 10:57:39,551 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-10 10:57:39,551 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-10 10:57:39,552 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-10 10:57:39,552 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-10 10:57:39,553 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-10 10:57:39,554 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-10 10:57:39,554 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-10 10:57:39,555 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-10 10:57:39,556 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-10 10:57:39,556 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-10 10:57:39,556 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-10 10:57:39,557 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-10 10:57:39,557 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-10 10:57:39,558 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-10 10:57:39,559 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 [2019-09-10 10:57:39,573 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-10 10:57:39,574 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-10 10:57:39,574 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-10 10:57:39,574 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-10 10:57:39,575 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-10 10:57:39,575 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-10 10:57:39,575 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-10 10:57:39,576 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-10 10:57:39,576 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-10 10:57:39,576 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-10 10:57:39,577 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-10 10:57:39,577 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-10 10:57:39,577 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-10 10:57:39,577 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-10 10:57:39,577 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-10 10:57:39,577 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-10 10:57:39,578 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-10 10:57:39,578 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-10 10:57:39,578 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-10 10:57:39,578 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-10 10:57:39,578 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-10 10:57:39,579 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-10 10:57:39,579 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-10 10:57:39,579 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-10 10:57:39,579 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-10 10:57:39,580 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-10 10:57:39,580 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-10 10:57:39,580 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-10 10:57:39,580 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-10 10:57:39,580 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-10 10:57:39,608 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-10 10:57:39,620 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-10 10:57:39,624 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-10 10:57:39,625 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-10 10:57:39,626 INFO L275 PluginConnector]: CDTParser initialized [2019-09-10 10:57:39,626 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ethernet--dec--tulip--xircom_cb.ko-entry_point.cil.out.i [2019-09-10 10:57:39,693 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c008baca0/be687853f926476ab7085aa0134b1589/FLAG2a0470f54 [2019-09-10 10:57:40,503 INFO L306 CDTParser]: Found 1 translation units. [2019-09-10 10:57:40,504 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ethernet--dec--tulip--xircom_cb.ko-entry_point.cil.out.i [2019-09-10 10:57:40,541 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c008baca0/be687853f926476ab7085aa0134b1589/FLAG2a0470f54 [2019-09-10 10:57:41,018 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c008baca0/be687853f926476ab7085aa0134b1589 [2019-09-10 10:57:41,028 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-10 10:57:41,030 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-10 10:57:41,031 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-10 10:57:41,031 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-10 10:57:41,035 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-10 10:57:41,036 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.09 10:57:41" (1/1) ... [2019-09-10 10:57:41,039 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2740f976 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 10:57:41, skipping insertion in model container [2019-09-10 10:57:41,039 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.09 10:57:41" (1/1) ... [2019-09-10 10:57:41,046 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-10 10:57:41,172 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-10 10:57:43,015 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-10 10:57:43,064 INFO L188 MainTranslator]: Completed pre-run [2019-09-10 10:57:43,424 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-10 10:57:43,705 INFO L192 MainTranslator]: Completed translation [2019-09-10 10:57:43,706 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 10:57:43 WrapperNode [2019-09-10 10:57:43,706 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-10 10:57:43,707 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-10 10:57:43,707 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-10 10:57:43,707 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-10 10:57:43,723 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 10:57:43" (1/1) ... [2019-09-10 10:57:43,725 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 10:57:43" (1/1) ... [2019-09-10 10:57:43,807 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 10:57:43" (1/1) ... [2019-09-10 10:57:43,808 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 10:57:43" (1/1) ... [2019-09-10 10:57:43,918 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 10:57:43" (1/1) ... [2019-09-10 10:57:43,949 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 10:57:43" (1/1) ... [2019-09-10 10:57:43,976 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 10:57:43" (1/1) ... [2019-09-10 10:57:44,005 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-10 10:57:44,006 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-10 10:57:44,010 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-10 10:57:44,010 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-10 10:57:44,015 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 10:57:43" (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 [2019-09-10 10:57:44,091 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-10 10:57:44,092 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-10 10:57:44,092 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~~gfp_t~0~X~$Pointer$~TO~$Pointer$ [2019-09-10 10:57:44,092 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~~dma_addr_t~0~X~$Pointer$~TO~VOID [2019-09-10 10:57:44,092 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2019-09-10 10:57:44,093 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2019-09-10 10:57:44,093 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_clear_bit [2019-09-10 10:57:44,093 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_save_flags [2019-09-10 10:57:44,093 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_irqs_disabled_flags [2019-09-10 10:57:44,093 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2019-09-10 10:57:44,094 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2019-09-10 10:57:44,095 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2019-09-10 10:57:44,096 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2019-09-10 10:57:44,097 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2019-09-10 10:57:44,098 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2019-09-10 10:57:44,100 INFO L138 BoogieDeclarations]: Found implementation of procedure is_device_dma_capable [2019-09-10 10:57:44,101 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2019-09-10 10:57:44,102 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_coherent_mask [2019-09-10 10:57:44,102 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_coherent_gfp_flags [2019-09-10 10:57:44,102 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2019-09-10 10:57:44,103 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2019-09-10 10:57:44,103 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2019-09-10 10:57:44,103 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_copy_from_linear_data [2019-09-10 10:57:44,103 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_copy_to_linear_data [2019-09-10 10:57:44,104 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-09-10 10:57:44,104 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-09-10 10:57:44,104 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2019-09-10 10:57:44,105 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ptr [2019-09-10 10:57:44,105 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2019-09-10 10:57:44,105 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2019-09-10 10:57:44,105 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2019-09-10 10:57:44,105 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2019-09-10 10:57:44,105 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2019-09-10 10:57:44,106 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2019-09-10 10:57:44,106 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_word [2019-09-10 10:57:44,106 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_word [2019-09-10 10:57:44,106 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_dword [2019-09-10 10:57:44,106 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2019-09-10 10:57:44,106 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_drvdata [2019-09-10 10:57:44,106 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2019-09-10 10:57:44,107 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2019-09-10 10:57:44,107 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2019-09-10 10:57:44,107 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2019-09-10 10:57:44,107 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_wake_queue [2019-09-10 10:57:44,108 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2019-09-10 10:57:44,108 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2019-09-10 10:57:44,108 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2019-09-10 10:57:44,108 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_irq [2019-09-10 10:57:44,109 INFO L138 BoogieDeclarations]: Found implementation of procedure xircom_probe [2019-09-10 10:57:44,109 INFO L138 BoogieDeclarations]: Found implementation of procedure xircom_remove [2019-09-10 10:57:44,109 INFO L138 BoogieDeclarations]: Found implementation of procedure xircom_interrupt [2019-09-10 10:57:44,109 INFO L138 BoogieDeclarations]: Found implementation of procedure xircom_start_xmit [2019-09-10 10:57:44,109 INFO L138 BoogieDeclarations]: Found implementation of procedure xircom_open [2019-09-10 10:57:44,109 INFO L138 BoogieDeclarations]: Found implementation of procedure xircom_close [2019-09-10 10:57:44,109 INFO L138 BoogieDeclarations]: Found implementation of procedure xircom_poll_controller [2019-09-10 10:57:44,110 INFO L138 BoogieDeclarations]: Found implementation of procedure initialize_card [2019-09-10 10:57:44,110 INFO L138 BoogieDeclarations]: Found implementation of procedure trigger_transmit [2019-09-10 10:57:44,110 INFO L138 BoogieDeclarations]: Found implementation of procedure trigger_receive [2019-09-10 10:57:44,110 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_descriptors [2019-09-10 10:57:44,110 INFO L138 BoogieDeclarations]: Found implementation of procedure remove_descriptors [2019-09-10 10:57:44,111 INFO L138 BoogieDeclarations]: Found implementation of procedure link_status_changed [2019-09-10 10:57:44,111 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit_active [2019-09-10 10:57:44,111 INFO L138 BoogieDeclarations]: Found implementation of procedure receive_active [2019-09-10 10:57:44,111 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_receiver [2019-09-10 10:57:44,112 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivate_receiver [2019-09-10 10:57:44,112 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_transmitter [2019-09-10 10:57:44,112 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivate_transmitter [2019-09-10 10:57:44,112 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_transmit_interrupt [2019-09-10 10:57:44,112 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_receive_interrupt [2019-09-10 10:57:44,112 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_link_interrupt [2019-09-10 10:57:44,113 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_all_interrupts [2019-09-10 10:57:44,113 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_common_interrupts [2019-09-10 10:57:44,113 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_promisc [2019-09-10 10:57:44,113 INFO L138 BoogieDeclarations]: Found implementation of procedure link_status [2019-09-10 10:57:44,114 INFO L138 BoogieDeclarations]: Found implementation of procedure read_mac_address [2019-09-10 10:57:44,114 INFO L138 BoogieDeclarations]: Found implementation of procedure transceiver_voodoo [2019-09-10 10:57:44,114 INFO L138 BoogieDeclarations]: Found implementation of procedure xircom_up [2019-09-10 10:57:44,114 INFO L138 BoogieDeclarations]: Found implementation of procedure investigate_read_descriptor [2019-09-10 10:57:44,114 INFO L138 BoogieDeclarations]: Found implementation of procedure investigate_write_descriptor [2019-09-10 10:57:44,115 INFO L138 BoogieDeclarations]: Found implementation of procedure xircom_ops_init [2019-09-10 10:57:44,115 INFO L138 BoogieDeclarations]: Found implementation of procedure xircom_ops_exit [2019-09-10 10:57:44,115 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_pci_driver_3 [2019-09-10 10:57:44,115 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2019-09-10 10:57:44,116 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_irq_1 [2019-09-10 10:57:44,116 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_check_1 [2019-09-10 10:57:44,117 INFO L138 BoogieDeclarations]: Found implementation of procedure choose_interrupt_1 [2019-09-10 10:57:44,117 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_net_device_ops_2 [2019-09-10 10:57:44,118 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_irq_1 [2019-09-10 10:57:44,118 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-10 10:57:44,118 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_consume_skb_5 [2019-09-10 10:57:44,118 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_6 [2019-09-10 10:57:44,118 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_7 [2019-09-10 10:57:44,119 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_8 [2019-09-10 10:57:44,119 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_11 [2019-09-10 10:57:44,119 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_netdev_12 [2019-09-10 10:57:44,119 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev_13 [2019-09-10 10:57:44,119 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev_14 [2019-09-10 10:57:44,119 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev_15 [2019-09-10 10:57:44,119 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq_16 [2019-09-10 10:57:44,120 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq_17 [2019-09-10 10:57:44,120 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_netdev_alloc_skb_18 [2019-09-10 10:57:44,120 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_netif_rx_19 [2019-09-10 10:57:44,120 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_init [2019-09-10 10:57:44,120 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_add [2019-09-10 10:57:44,120 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_remove [2019-09-10 10:57:44,121 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_contains [2019-09-10 10:57:44,121 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_is_empty [2019-09-10 10:57:44,121 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2019-09-10 10:57:44,121 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2019-09-10 10:57:44,121 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2019-09-10 10:57:44,121 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2019-09-10 10:57:44,122 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_alloc [2019-09-10 10:57:44,122 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-09-10 10:57:44,122 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free [2019-09-10 10:57:44,122 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free_int [2019-09-10 10:57:44,123 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_alloc_skb [2019-09-10 10:57:44,123 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_netdev_alloc_skb [2019-09-10 10:57:44,124 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_current [2019-09-10 10:57:44,124 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-09-10 10:57:44,124 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2019-09-10 10:57:44,124 INFO L138 BoogieDeclarations]: Found implementation of procedure __dev_kfree_skb_irq [2019-09-10 10:57:44,125 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_netdev_dbg [2019-09-10 10:57:44,125 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_pr_debug [2019-09-10 10:57:44,126 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_schedule [2019-09-10 10:57:44,126 INFO L138 BoogieDeclarations]: Found implementation of procedure __pci_register_driver [2019-09-10 10:57:44,126 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2019-09-10 10:57:44,126 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock [2019-09-10 10:57:44,127 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2019-09-10 10:57:44,127 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock [2019-09-10 10:57:44,127 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irqrestore [2019-09-10 10:57:44,127 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_etherdev_mqs [2019-09-10 10:57:44,127 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_alloc_coherent [2019-09-10 10:57:44,128 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_free_coherent [2019-09-10 10:57:44,128 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_irq [2019-09-10 10:57:44,128 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_irq [2019-09-10 10:57:44,128 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_change_mtu [2019-09-10 10:57:44,128 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_mac_addr [2019-09-10 10:57:44,128 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_type_trans [2019-09-10 10:57:44,129 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2019-09-10 10:57:44,132 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2019-09-10 10:57:44,133 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2019-09-10 10:57:44,133 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2019-09-10 10:57:44,133 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread8 [2019-09-10 10:57:44,140 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2019-09-10 10:57:44,140 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ndo_init_2 [2019-09-10 10:57:44,140 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ndo_uninit_2 [2019-09-10 10:57:44,140 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_err [2019-09-10 10:57:44,140 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_info [2019-09-10 10:57:44,140 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2019-09-10 10:57:44,141 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2019-09-10 10:57:44,141 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_bus_read_config_word [2019-09-10 10:57:44,141 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_bus_write_config_dword [2019-09-10 10:57:44,141 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_bus_write_config_word [2019-09-10 10:57:44,141 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2019-09-10 10:57:44,141 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2019-09-10 10:57:44,141 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iomap [2019-09-10 10:57:44,141 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2019-09-10 10:57:44,142 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2019-09-10 10:57:44,142 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_request_regions [2019-09-10 10:57:44,142 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2019-09-10 10:57:44,142 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unregister_driver [2019-09-10 10:57:44,143 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2019-09-10 10:57:44,143 INFO L138 BoogieDeclarations]: Found implementation of procedure register_netdev [2019-09-10 10:57:44,143 INFO L138 BoogieDeclarations]: Found implementation of procedure request_threaded_irq [2019-09-10 10:57:44,143 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2019-09-10 10:57:44,143 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2019-09-10 10:57:44,143 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2019-09-10 10:57:44,143 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-09-10 10:57:44,143 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-09-10 10:57:44,144 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-09-10 10:57:44,144 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-09-10 10:57:44,144 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-09-10 10:57:44,144 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-10 10:57:44,144 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2019-09-10 10:57:44,144 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2019-09-10 10:57:44,144 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2019-09-10 10:57:44,144 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_clear_bit [2019-09-10 10:57:44,145 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2019-09-10 10:57:44,145 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_pr_debug [2019-09-10 10:57:44,145 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_netdev_dbg [2019-09-10 10:57:44,145 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2019-09-10 10:57:44,145 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-09-10 10:57:44,145 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_save_flags [2019-09-10 10:57:44,145 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-10 10:57:44,145 INFO L130 BoogieDeclarations]: Found specification of procedure arch_irqs_disabled_flags [2019-09-10 10:57:44,146 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2019-09-10 10:57:44,146 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock [2019-09-10 10:57:44,146 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2019-09-10 10:57:44,146 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock [2019-09-10 10:57:44,146 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore [2019-09-10 10:57:44,146 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2019-09-10 10:57:44,146 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2019-09-10 10:57:44,146 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2019-09-10 10:57:44,146 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2019-09-10 10:57:44,147 INFO L130 BoogieDeclarations]: Found specification of procedure ioread8 [2019-09-10 10:57:44,147 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2019-09-10 10:57:44,147 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2019-09-10 10:57:44,147 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2019-09-10 10:57:44,147 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iomap [2019-09-10 10:57:44,147 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2019-09-10 10:57:44,147 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2019-09-10 10:57:44,147 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-10 10:57:44,148 INFO L130 BoogieDeclarations]: Found specification of procedure is_device_dma_capable [2019-09-10 10:57:44,148 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-10 10:57:44,148 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_alloc_coherent [2019-09-10 10:57:44,148 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_free_coherent [2019-09-10 10:57:44,148 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2019-09-10 10:57:44,148 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_coherent_mask [2019-09-10 10:57:44,148 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_coherent_gfp_flags [2019-09-10 10:57:44,148 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2019-09-10 10:57:44,149 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~~gfp_t~0~X~$Pointer$~TO~$Pointer$ [2019-09-10 10:57:44,149 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2019-09-10 10:57:44,149 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-10 10:57:44,149 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~~dma_addr_t~0~X~$Pointer$~TO~VOID [2019-09-10 10:57:44,149 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_6 [2019-09-10 10:57:44,149 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_7 [2019-09-10 10:57:44,149 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_8 [2019-09-10 10:57:44,149 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_11 [2019-09-10 10:57:44,150 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_consume_skb_5 [2019-09-10 10:57:44,150 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2019-09-10 10:57:44,150 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2019-09-10 10:57:44,150 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-10 10:57:44,150 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-09-10 10:57:44,150 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_netdev_alloc_skb_18 [2019-09-10 10:57:44,150 INFO L130 BoogieDeclarations]: Found specification of procedure skb_copy_from_linear_data [2019-09-10 10:57:44,150 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-09-10 10:57:44,151 INFO L130 BoogieDeclarations]: Found specification of procedure skb_copy_to_linear_data [2019-09-10 10:57:44,151 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_alloc [2019-09-10 10:57:44,151 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free [2019-09-10 10:57:44,151 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free_int [2019-09-10 10:57:44,151 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-10 10:57:44,151 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-09-10 10:57:44,151 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-10 10:57:44,151 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-09-10 10:57:44,152 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-09-10 10:57:44,152 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-10 10:57:44,152 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-09-10 10:57:44,152 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-10 10:57:44,152 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-09-10 10:57:44,152 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-09-10 10:57:44,152 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2019-09-10 10:57:44,152 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ptr [2019-09-10 10:57:44,153 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2019-09-10 10:57:44,153 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2019-09-10 10:57:44,153 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2019-09-10 10:57:44,153 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2019-09-10 10:57:44,153 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_pci_driver_3 [2019-09-10 10:57:44,153 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2019-09-10 10:57:44,153 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_irq_1 [2019-09-10 10:57:44,153 INFO L130 BoogieDeclarations]: Found specification of procedure reg_check_1 [2019-09-10 10:57:44,154 INFO L130 BoogieDeclarations]: Found specification of procedure choose_interrupt_1 [2019-09-10 10:57:44,154 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_net_device_ops_2 [2019-09-10 10:57:44,154 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_irq_1 [2019-09-10 10:57:44,154 INFO L130 BoogieDeclarations]: Found specification of procedure request_threaded_irq [2019-09-10 10:57:44,154 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2019-09-10 10:57:44,154 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq_16 [2019-09-10 10:57:44,154 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2019-09-10 10:57:44,154 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq_17 [2019-09-10 10:57:44,155 INFO L130 BoogieDeclarations]: Found specification of procedure disable_irq [2019-09-10 10:57:44,155 INFO L130 BoogieDeclarations]: Found specification of procedure enable_irq [2019-09-10 10:57:44,155 INFO L130 BoogieDeclarations]: Found specification of procedure pci_bus_read_config_word [2019-09-10 10:57:44,155 INFO L130 BoogieDeclarations]: Found specification of procedure pci_bus_write_config_word [2019-09-10 10:57:44,155 INFO L130 BoogieDeclarations]: Found specification of procedure pci_bus_write_config_dword [2019-09-10 10:57:44,155 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_word [2019-09-10 10:57:44,155 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_word [2019-09-10 10:57:44,157 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_dword [2019-09-10 10:57:44,161 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2019-09-10 10:57:44,161 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2019-09-10 10:57:44,161 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2019-09-10 10:57:44,161 INFO L130 BoogieDeclarations]: Found specification of procedure pci_request_regions [2019-09-10 10:57:44,162 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2019-09-10 10:57:44,164 INFO L130 BoogieDeclarations]: Found specification of procedure __pci_register_driver [2019-09-10 10:57:44,164 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unregister_driver [2019-09-10 10:57:44,164 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2019-09-10 10:57:44,164 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_drvdata [2019-09-10 10:57:44,164 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2019-09-10 10:57:44,164 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2019-09-10 10:57:44,164 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2019-09-10 10:57:44,165 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2019-09-10 10:57:44,165 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev_13 [2019-09-10 10:57:44,165 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev_15 [2019-09-10 10:57:44,165 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_schedule [2019-09-10 10:57:44,165 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2019-09-10 10:57:44,165 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2019-09-10 10:57:44,165 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_wake_queue [2019-09-10 10:57:44,165 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2019-09-10 10:57:44,166 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2019-09-10 10:57:44,166 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2019-09-10 10:57:44,166 INFO L130 BoogieDeclarations]: Found specification of procedure __dev_kfree_skb_irq [2019-09-10 10:57:44,166 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_irq [2019-09-10 10:57:44,166 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_netif_rx_19 [2019-09-10 10:57:44,166 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2019-09-10 10:57:44,166 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2019-09-10 10:57:44,166 INFO L130 BoogieDeclarations]: Found specification of procedure register_netdev [2019-09-10 10:57:44,167 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_netdev_12 [2019-09-10 10:57:44,167 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2019-09-10 10:57:44,167 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev_14 [2019-09-10 10:57:44,167 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_err [2019-09-10 10:57:44,167 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_info [2019-09-10 10:57:44,167 INFO L130 BoogieDeclarations]: Found specification of procedure eth_type_trans [2019-09-10 10:57:44,167 INFO L130 BoogieDeclarations]: Found specification of procedure eth_mac_addr [2019-09-10 10:57:44,167 INFO L130 BoogieDeclarations]: Found specification of procedure eth_change_mtu [2019-09-10 10:57:44,167 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2019-09-10 10:57:44,168 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_etherdev_mqs [2019-09-10 10:57:44,168 INFO L130 BoogieDeclarations]: Found specification of procedure xircom_probe [2019-09-10 10:57:44,168 INFO L130 BoogieDeclarations]: Found specification of procedure xircom_remove [2019-09-10 10:57:44,168 INFO L130 BoogieDeclarations]: Found specification of procedure xircom_interrupt [2019-09-10 10:57:44,168 INFO L130 BoogieDeclarations]: Found specification of procedure xircom_start_xmit [2019-09-10 10:57:44,168 INFO L130 BoogieDeclarations]: Found specification of procedure xircom_open [2019-09-10 10:57:44,168 INFO L130 BoogieDeclarations]: Found specification of procedure xircom_close [2019-09-10 10:57:44,169 INFO L130 BoogieDeclarations]: Found specification of procedure xircom_up [2019-09-10 10:57:44,169 INFO L130 BoogieDeclarations]: Found specification of procedure xircom_poll_controller [2019-09-10 10:57:44,169 INFO L130 BoogieDeclarations]: Found specification of procedure investigate_read_descriptor [2019-09-10 10:57:44,169 INFO L130 BoogieDeclarations]: Found specification of procedure investigate_write_descriptor [2019-09-10 10:57:44,169 INFO L130 BoogieDeclarations]: Found specification of procedure read_mac_address [2019-09-10 10:57:44,169 INFO L130 BoogieDeclarations]: Found specification of procedure transceiver_voodoo [2019-09-10 10:57:44,169 INFO L130 BoogieDeclarations]: Found specification of procedure initialize_card [2019-09-10 10:57:44,169 INFO L130 BoogieDeclarations]: Found specification of procedure trigger_transmit [2019-09-10 10:57:44,170 INFO L130 BoogieDeclarations]: Found specification of procedure trigger_receive [2019-09-10 10:57:44,170 INFO L130 BoogieDeclarations]: Found specification of procedure setup_descriptors [2019-09-10 10:57:44,170 INFO L130 BoogieDeclarations]: Found specification of procedure remove_descriptors [2019-09-10 10:57:44,170 INFO L130 BoogieDeclarations]: Found specification of procedure link_status_changed [2019-09-10 10:57:44,170 INFO L130 BoogieDeclarations]: Found specification of procedure activate_receiver [2019-09-10 10:57:44,170 INFO L130 BoogieDeclarations]: Found specification of procedure deactivate_receiver [2019-09-10 10:57:44,170 INFO L130 BoogieDeclarations]: Found specification of procedure activate_transmitter [2019-09-10 10:57:44,170 INFO L130 BoogieDeclarations]: Found specification of procedure deactivate_transmitter [2019-09-10 10:57:44,171 INFO L130 BoogieDeclarations]: Found specification of procedure enable_transmit_interrupt [2019-09-10 10:57:44,171 INFO L130 BoogieDeclarations]: Found specification of procedure enable_receive_interrupt [2019-09-10 10:57:44,171 INFO L130 BoogieDeclarations]: Found specification of procedure enable_link_interrupt [2019-09-10 10:57:44,171 INFO L130 BoogieDeclarations]: Found specification of procedure disable_all_interrupts [2019-09-10 10:57:44,171 INFO L130 BoogieDeclarations]: Found specification of procedure link_status [2019-09-10 10:57:44,171 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-10 10:57:44,171 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-09-10 10:57:44,171 INFO L130 BoogieDeclarations]: Found specification of procedure transmit_active [2019-09-10 10:57:44,171 INFO L130 BoogieDeclarations]: Found specification of procedure receive_active [2019-09-10 10:57:44,172 INFO L130 BoogieDeclarations]: Found specification of procedure enable_common_interrupts [2019-09-10 10:57:44,172 INFO L130 BoogieDeclarations]: Found specification of procedure enable_promisc [2019-09-10 10:57:44,172 INFO L130 BoogieDeclarations]: Found specification of procedure xircom_ops_init [2019-09-10 10:57:44,172 INFO L130 BoogieDeclarations]: Found specification of procedure xircom_ops_exit [2019-09-10 10:57:44,172 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ndo_init_2 [2019-09-10 10:57:44,172 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ndo_uninit_2 [2019-09-10 10:57:44,172 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-09-10 10:57:44,172 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-09-10 10:57:44,172 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-10 10:57:44,173 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_init [2019-09-10 10:57:44,173 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_add [2019-09-10 10:57:44,173 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_remove [2019-09-10 10:57:44,173 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_contains [2019-09-10 10:57:44,173 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_is_empty [2019-09-10 10:57:44,173 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2019-09-10 10:57:44,173 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2019-09-10 10:57:44,173 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2019-09-10 10:57:44,174 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2019-09-10 10:57:44,174 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_netdev_alloc_skb [2019-09-10 10:57:44,174 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_alloc_skb [2019-09-10 10:57:44,174 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_current [2019-09-10 10:57:44,174 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-09-10 10:57:44,174 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ushort [2019-09-10 10:57:44,174 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2019-09-10 10:57:44,174 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-10 10:57:44,174 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-09-10 10:57:44,175 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-10 10:57:44,175 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-10 10:57:44,175 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-09-10 10:57:44,175 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-10 10:57:44,175 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-09-10 10:57:44,175 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-09-10 10:57:44,175 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2019-09-10 10:57:44,175 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2019-09-10 10:57:45,058 INFO L684 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2019-09-10 10:57:50,984 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-10 10:57:50,984 INFO L283 CfgBuilder]: Removed 4 assume(true) statements. [2019-09-10 10:57:50,987 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.09 10:57:50 BoogieIcfgContainer [2019-09-10 10:57:50,987 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-10 10:57:50,988 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-10 10:57:50,988 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-10 10:57:50,991 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-10 10:57:50,992 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.09 10:57:41" (1/3) ... [2019-09-10 10:57:50,993 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d271320 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.09 10:57:50, skipping insertion in model container [2019-09-10 10:57:50,993 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 10:57:43" (2/3) ... [2019-09-10 10:57:50,993 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d271320 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.09 10:57:50, skipping insertion in model container [2019-09-10 10:57:50,994 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.09 10:57:50" (3/3) ... [2019-09-10 10:57:50,995 INFO L109 eAbstractionObserver]: Analyzing ICFG 205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ethernet--dec--tulip--xircom_cb.ko-entry_point.cil.out.i [2019-09-10 10:57:51,007 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-10 10:57:51,021 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-10 10:57:51,039 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-10 10:57:51,073 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-10 10:57:51,073 INFO L378 AbstractCegarLoop]: Hoare is false [2019-09-10 10:57:51,073 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-10 10:57:51,073 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-10 10:57:51,073 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-10 10:57:51,073 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-10 10:57:51,073 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-10 10:57:51,073 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-10 10:57:51,127 INFO L276 IsEmpty]: Start isEmpty. Operand 1173 states. [2019-09-10 10:57:51,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2019-09-10 10:57:51,163 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 10:57:51,164 INFO L399 BasicCegarLoop]: trace histogram [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] [2019-09-10 10:57:51,166 INFO L418 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 10:57:51,172 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 10:57:51,173 INFO L82 PathProgramCache]: Analyzing trace with hash 1512163255, now seen corresponding path program 1 times [2019-09-10 10:57:51,175 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 10:57:51,244 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 10:57:51,245 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 10:57:51,245 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 10:57:51,245 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 10:57:51,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 10:57:51,717 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2019-09-10 10:57:51,719 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 10:57:51,719 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 10:57:51,720 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 10:57:51,728 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 10:57:51,755 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 10:57:51,756 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 10:57:51,759 INFO L87 Difference]: Start difference. First operand 1173 states. Second operand 3 states. [2019-09-10 10:57:52,114 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 10:57:52,114 INFO L93 Difference]: Finished difference Result 2239 states and 2852 transitions. [2019-09-10 10:57:52,115 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 10:57:52,116 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 56 [2019-09-10 10:57:52,117 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 10:57:52,168 INFO L225 Difference]: With dead ends: 2239 [2019-09-10 10:57:52,168 INFO L226 Difference]: Without dead ends: 2212 [2019-09-10 10:57:52,170 INFO L628 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 [2019-09-10 10:57:52,202 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2212 states. [2019-09-10 10:57:52,508 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2212 to 2212. [2019-09-10 10:57:52,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2212 states. [2019-09-10 10:57:52,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2212 states to 2212 states and 2807 transitions. [2019-09-10 10:57:52,526 INFO L78 Accepts]: Start accepts. Automaton has 2212 states and 2807 transitions. Word has length 56 [2019-09-10 10:57:52,527 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 10:57:52,527 INFO L475 AbstractCegarLoop]: Abstraction has 2212 states and 2807 transitions. [2019-09-10 10:57:52,527 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 10:57:52,527 INFO L276 IsEmpty]: Start isEmpty. Operand 2212 states and 2807 transitions. [2019-09-10 10:57:52,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2019-09-10 10:57:52,532 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 10:57:52,532 INFO L399 BasicCegarLoop]: trace histogram [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] [2019-09-10 10:57:52,532 INFO L418 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 10:57:52,533 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 10:57:52,533 INFO L82 PathProgramCache]: Analyzing trace with hash 1167052469, now seen corresponding path program 1 times [2019-09-10 10:57:52,533 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 10:57:52,538 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 10:57:52,539 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 10:57:52,539 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 10:57:52,539 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 10:57:52,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 10:57:52,783 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2019-09-10 10:57:52,784 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 10:57:52,784 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-09-10 10:57:52,784 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 10:57:52,786 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-09-10 10:57:52,786 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-09-10 10:57:52,786 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-09-10 10:57:52,787 INFO L87 Difference]: Start difference. First operand 2212 states and 2807 transitions. Second operand 6 states. [2019-09-10 10:57:54,647 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 10:57:54,647 INFO L93 Difference]: Finished difference Result 4409 states and 5632 transitions. [2019-09-10 10:57:54,648 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-09-10 10:57:54,648 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 61 [2019-09-10 10:57:54,649 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 10:57:54,678 INFO L225 Difference]: With dead ends: 4409 [2019-09-10 10:57:54,679 INFO L226 Difference]: Without dead ends: 4393 [2019-09-10 10:57:54,680 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2019-09-10 10:57:54,686 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4393 states. [2019-09-10 10:57:54,860 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4393 to 4393. [2019-09-10 10:57:54,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4393 states. [2019-09-10 10:57:54,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4393 states to 4393 states and 5614 transitions. [2019-09-10 10:57:54,891 INFO L78 Accepts]: Start accepts. Automaton has 4393 states and 5614 transitions. Word has length 61 [2019-09-10 10:57:54,891 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 10:57:54,891 INFO L475 AbstractCegarLoop]: Abstraction has 4393 states and 5614 transitions. [2019-09-10 10:57:54,892 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-09-10 10:57:54,892 INFO L276 IsEmpty]: Start isEmpty. Operand 4393 states and 5614 transitions. [2019-09-10 10:57:54,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2019-09-10 10:57:54,909 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 10:57:54,909 INFO L399 BasicCegarLoop]: trace histogram [4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 10:57:54,910 INFO L418 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 10:57:54,910 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 10:57:54,910 INFO L82 PathProgramCache]: Analyzing trace with hash 1069872142, now seen corresponding path program 1 times [2019-09-10 10:57:54,911 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 10:57:54,915 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 10:57:54,915 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 10:57:54,916 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 10:57:54,916 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 10:57:54,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 10:57:55,142 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2019-09-10 10:57:55,142 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 10:57:55,143 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-09-10 10:57:55,143 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 10:57:55,144 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-09-10 10:57:55,144 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-09-10 10:57:55,144 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-09-10 10:57:55,144 INFO L87 Difference]: Start difference. First operand 4393 states and 5614 transitions. Second operand 6 states. [2019-09-10 10:57:58,048 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 10:57:58,049 INFO L93 Difference]: Finished difference Result 8798 states and 11265 transitions. [2019-09-10 10:57:58,049 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-09-10 10:57:58,049 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 177 [2019-09-10 10:57:58,050 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 10:57:58,169 INFO L225 Difference]: With dead ends: 8798 [2019-09-10 10:57:58,170 INFO L226 Difference]: Without dead ends: 8798 [2019-09-10 10:57:58,170 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2019-09-10 10:57:58,182 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8798 states. [2019-09-10 10:57:58,465 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8798 to 8779. [2019-09-10 10:57:58,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8779 states. [2019-09-10 10:57:58,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8779 states to 8779 states and 11247 transitions. [2019-09-10 10:57:58,502 INFO L78 Accepts]: Start accepts. Automaton has 8779 states and 11247 transitions. Word has length 177 [2019-09-10 10:57:58,502 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 10:57:58,503 INFO L475 AbstractCegarLoop]: Abstraction has 8779 states and 11247 transitions. [2019-09-10 10:57:58,503 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-09-10 10:57:58,503 INFO L276 IsEmpty]: Start isEmpty. Operand 8779 states and 11247 transitions. [2019-09-10 10:57:58,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2019-09-10 10:57:58,517 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 10:57:58,517 INFO L399 BasicCegarLoop]: trace histogram [4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 10:57:58,518 INFO L418 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 10:57:58,518 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 10:57:58,518 INFO L82 PathProgramCache]: Analyzing trace with hash 1933810118, now seen corresponding path program 1 times [2019-09-10 10:57:58,519 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 10:57:58,522 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 10:57:58,522 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 10:57:58,522 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 10:57:58,522 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 10:57:58,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 10:57:58,734 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2019-09-10 10:57:58,734 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 10:57:58,734 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-09-10 10:57:58,734 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 10:57:58,735 INFO L454 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-09-10 10:57:58,735 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-09-10 10:57:58,736 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-09-10 10:57:58,736 INFO L87 Difference]: Start difference. First operand 8779 states and 11247 transitions. Second operand 7 states. [2019-09-10 10:58:17,519 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 10:58:17,520 INFO L93 Difference]: Finished difference Result 20033 states and 25570 transitions. [2019-09-10 10:58:17,520 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2019-09-10 10:58:17,520 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 174 [2019-09-10 10:58:17,521 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 10:58:17,641 INFO L225 Difference]: With dead ends: 20033 [2019-09-10 10:58:17,642 INFO L226 Difference]: Without dead ends: 20033 [2019-09-10 10:58:17,642 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=50, Invalid=132, Unknown=0, NotChecked=0, Total=182 [2019-09-10 10:58:17,671 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20033 states. [2019-09-10 10:58:18,218 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20033 to 19587. [2019-09-10 10:58:18,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19587 states. [2019-09-10 10:58:19,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19587 states to 19587 states and 24849 transitions. [2019-09-10 10:58:19,199 INFO L78 Accepts]: Start accepts. Automaton has 19587 states and 24849 transitions. Word has length 174 [2019-09-10 10:58:19,199 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 10:58:19,200 INFO L475 AbstractCegarLoop]: Abstraction has 19587 states and 24849 transitions. [2019-09-10 10:58:19,200 INFO L476 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-09-10 10:58:19,200 INFO L276 IsEmpty]: Start isEmpty. Operand 19587 states and 24849 transitions. [2019-09-10 10:58:19,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2019-09-10 10:58:19,224 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 10:58:19,224 INFO L399 BasicCegarLoop]: trace histogram [4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 10:58:19,224 INFO L418 AbstractCegarLoop]: === Iteration 5 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 10:58:19,225 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 10:58:19,225 INFO L82 PathProgramCache]: Analyzing trace with hash 598189887, now seen corresponding path program 1 times [2019-09-10 10:58:19,225 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 10:58:19,229 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 10:58:19,230 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 10:58:19,230 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 10:58:19,230 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 10:58:19,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 10:58:19,451 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2019-09-10 10:58:19,451 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 10:58:19,451 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-09-10 10:58:19,451 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 10:58:19,453 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-09-10 10:58:19,453 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-09-10 10:58:19,453 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-09-10 10:58:19,454 INFO L87 Difference]: Start difference. First operand 19587 states and 24849 transitions. Second operand 6 states. [2019-09-10 10:58:22,547 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 10:58:22,547 INFO L93 Difference]: Finished difference Result 39178 states and 49689 transitions. [2019-09-10 10:58:22,548 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-09-10 10:58:22,548 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 176 [2019-09-10 10:58:22,549 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 10:58:23,133 INFO L225 Difference]: With dead ends: 39178 [2019-09-10 10:58:23,134 INFO L226 Difference]: Without dead ends: 39178 [2019-09-10 10:58:23,134 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2019-09-10 10:58:23,198 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39178 states. [2019-09-10 10:58:24,297 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39178 to 39131. [2019-09-10 10:58:24,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39131 states. [2019-09-10 10:58:24,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39131 states to 39131 states and 49641 transitions. [2019-09-10 10:58:24,433 INFO L78 Accepts]: Start accepts. Automaton has 39131 states and 49641 transitions. Word has length 176 [2019-09-10 10:58:24,434 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 10:58:24,434 INFO L475 AbstractCegarLoop]: Abstraction has 39131 states and 49641 transitions. [2019-09-10 10:58:24,434 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-09-10 10:58:24,434 INFO L276 IsEmpty]: Start isEmpty. Operand 39131 states and 49641 transitions. [2019-09-10 10:58:24,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2019-09-10 10:58:24,461 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 10:58:24,462 INFO L399 BasicCegarLoop]: trace histogram [4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 10:58:24,462 INFO L418 AbstractCegarLoop]: === Iteration 6 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 10:58:24,463 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 10:58:24,463 INFO L82 PathProgramCache]: Analyzing trace with hash 157127477, now seen corresponding path program 1 times [2019-09-10 10:58:24,463 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 10:58:24,468 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 10:58:24,468 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 10:58:24,469 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 10:58:24,469 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 10:58:24,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 10:58:24,657 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2019-09-10 10:58:24,657 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 10:58:24,657 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-09-10 10:58:24,658 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 10:58:24,658 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-09-10 10:58:24,659 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-09-10 10:58:24,659 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-09-10 10:58:24,659 INFO L87 Difference]: Start difference. First operand 39131 states and 49641 transitions. Second operand 6 states. [2019-09-10 10:58:27,879 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 10:58:27,879 INFO L93 Difference]: Finished difference Result 74334 states and 94647 transitions. [2019-09-10 10:58:27,879 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-09-10 10:58:27,880 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 175 [2019-09-10 10:58:27,880 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 10:58:28,251 INFO L225 Difference]: With dead ends: 74334 [2019-09-10 10:58:28,251 INFO L226 Difference]: Without dead ends: 74298 [2019-09-10 10:58:28,252 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2019-09-10 10:58:28,337 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74298 states. [2019-09-10 10:58:31,232 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74298 to 74231. [2019-09-10 10:58:31,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 74231 states. [2019-09-10 10:58:31,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74231 states to 74231 states and 94531 transitions. [2019-09-10 10:58:31,754 INFO L78 Accepts]: Start accepts. Automaton has 74231 states and 94531 transitions. Word has length 175 [2019-09-10 10:58:31,755 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 10:58:31,755 INFO L475 AbstractCegarLoop]: Abstraction has 74231 states and 94531 transitions. [2019-09-10 10:58:31,755 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-09-10 10:58:31,755 INFO L276 IsEmpty]: Start isEmpty. Operand 74231 states and 94531 transitions. [2019-09-10 10:58:31,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2019-09-10 10:58:31,781 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 10:58:31,781 INFO L399 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 10:58:31,781 INFO L418 AbstractCegarLoop]: === Iteration 7 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 10:58:31,782 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 10:58:31,782 INFO L82 PathProgramCache]: Analyzing trace with hash 1935310422, now seen corresponding path program 1 times [2019-09-10 10:58:31,782 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 10:58:31,786 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 10:58:31,786 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 10:58:31,786 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 10:58:31,786 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 10:58:31,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 10:58:32,019 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2019-09-10 10:58:32,019 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-10 10:58:32,019 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-09-10 10:58:32,020 INFO L205 CegarAbsIntRunner]: Running AI on error trace of length 190 with the following transitions: [2019-09-10 10:58:32,024 INFO L207 CegarAbsIntRunner]: [28], [29], [178], [180], [181], [256], [258], [262], [264], [265], [271], [274], [276], [279], [285], [287], [310], [312], [314], [324], [326], [328], [332], [334], [336], [337], [406], [407], [413], [414], [632], [633], [697], [699], [700], [723], [724], [739], [742], [745], [750], [753], [767], [772], [777], [778], [791], [793], [816], [819], [823], [907], [1063], [1065], [1067], [1069], [1071], [1073], [1076], [1079], [1085], [1088], [1091], [1103], [1106], [1109], [1111], [1117], [1121], [1537], [1540], [1543], [1546], [1548], [1562], [1564], [1565], [1566], [1575], [1580], [1592], [1596], [1617], [1618], [1633], [1635], [1647], [1649], [1652], [1656], [1779], [1780], [1781], [1783], [1784], [1787], [1789], [1822], [1853], [1854], [1874], [1876], [1881], [1952], [1953], [1970], [1971], [1972], [1973], [1976], [1977], [1978], [1979], [1980], [1981], [1984], [1985], [1994], [1995], [1998], [1999], [2000], [2001], [2106], [2107], [2132], [2133], [2144], [2145], [2152], [2153], [2194], [2195], [2256], [2257], [2258], [2259], [2260], [2261], [2262], [2263], [2264], [2265], [2268], [2269], [2316], [2398], [2399], [2416], [2417], [2424], [2425], [2484], [2485], [2486], [2487], [2510], [2511], [2512], [2516], [2517], [2518] [2019-09-10 10:58:32,105 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2019-09-10 10:58:32,106 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-09-10 10:58:32,226 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2019-09-10 10:58:32,228 INFO L272 AbstractInterpreter]: Visited 2 different actions 2 times. Never merged. Never widened. Performed 125 root evaluator evaluations with a maximum evaluation depth of 0. Performed 125 inverse root evaluator evaluations with a maximum inverse evaluation depth of 0. Never found a fixpoint. Largest state had 262 variables. [2019-09-10 10:58:32,234 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 10:58:32,234 INFO L403 sIntCurrentIteration]: Generating AbsInt predicates [2019-09-10 10:58:32,355 INFO L219 lantSequenceWeakener]: Could never weaken! [2019-09-10 10:58:32,356 INFO L418 sIntCurrentIteration]: Unifying AI predicates [2019-09-10 10:58:32,366 INFO L420 sIntCurrentIteration]: We unified 188 AI predicates to 188 [2019-09-10 10:58:32,366 INFO L429 sIntCurrentIteration]: Finished generation of AbsInt predicates [2019-09-10 10:58:32,367 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-09-10 10:58:32,368 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [9] total 9 [2019-09-10 10:58:32,368 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 10:58:32,369 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-09-10 10:58:32,369 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-09-10 10:58:32,370 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-10 10:58:32,370 INFO L87 Difference]: Start difference. First operand 74231 states and 94531 transitions. Second operand 2 states. [2019-09-10 10:58:32,370 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 10:58:32,371 INFO L93 Difference]: Finished difference Result 2 states and 1 transitions. [2019-09-10 10:58:32,371 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-09-10 10:58:32,371 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 189 [2019-09-10 10:58:32,371 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 10:58:32,371 INFO L225 Difference]: With dead ends: 2 [2019-09-10 10:58:32,372 INFO L226 Difference]: Without dead ends: 0 [2019-09-10 10:58:32,372 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 188 GetRequests, 188 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-10 10:58:32,372 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-09-10 10:58:32,372 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-09-10 10:58:32,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-09-10 10:58:32,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-09-10 10:58:32,373 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 189 [2019-09-10 10:58:32,373 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 10:58:32,373 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-09-10 10:58:32,373 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-09-10 10:58:32,373 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-09-10 10:58:32,374 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-09-10 10:58:32,379 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.09 10:58:32 BoogieIcfgContainer [2019-09-10 10:58:32,379 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-09-10 10:58:32,382 INFO L168 Benchmark]: Toolchain (without parser) took 51351.48 ms. Allocated memory was 134.7 MB in the beginning and 1.3 GB in the end (delta: 1.1 GB). Free memory was 81.2 MB in the beginning and 730.8 MB in the end (delta: -649.6 MB). Peak memory consumption was 488.6 MB. Max. memory is 7.1 GB. [2019-09-10 10:58:32,383 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 134.7 MB. Free memory was 109.3 MB in the beginning and 109.0 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2019-09-10 10:58:32,386 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2675.66 ms. Allocated memory was 134.7 MB in the beginning and 268.4 MB in the end (delta: 133.7 MB). Free memory was 80.7 MB in the beginning and 183.5 MB in the end (delta: -102.7 MB). Peak memory consumption was 120.2 MB. Max. memory is 7.1 GB. [2019-09-10 10:58:32,387 INFO L168 Benchmark]: Boogie Preprocessor took 298.49 ms. Allocated memory is still 268.4 MB. Free memory was 183.5 MB in the beginning and 165.4 MB in the end (delta: 18.1 MB). Peak memory consumption was 18.1 MB. Max. memory is 7.1 GB. [2019-09-10 10:58:32,389 INFO L168 Benchmark]: RCFGBuilder took 6980.96 ms. Allocated memory was 268.4 MB in the beginning and 348.7 MB in the end (delta: 80.2 MB). Free memory was 165.4 MB in the beginning and 152.1 MB in the end (delta: 13.3 MB). Peak memory consumption was 104.8 MB. Max. memory is 7.1 GB. [2019-09-10 10:58:32,395 INFO L168 Benchmark]: TraceAbstraction took 41392.01 ms. Allocated memory was 348.7 MB in the beginning and 1.3 GB in the end (delta: 924.3 MB). Free memory was 152.1 MB in the beginning and 730.8 MB in the end (delta: -578.7 MB). Peak memory consumption was 345.6 MB. Max. memory is 7.1 GB. [2019-09-10 10:58:32,402 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 134.7 MB. Free memory was 109.3 MB in the beginning and 109.0 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 2675.66 ms. Allocated memory was 134.7 MB in the beginning and 268.4 MB in the end (delta: 133.7 MB). Free memory was 80.7 MB in the beginning and 183.5 MB in the end (delta: -102.7 MB). Peak memory consumption was 120.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 298.49 ms. Allocated memory is still 268.4 MB. Free memory was 183.5 MB in the beginning and 165.4 MB in the end (delta: 18.1 MB). Peak memory consumption was 18.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 6980.96 ms. Allocated memory was 268.4 MB in the beginning and 348.7 MB in the end (delta: 80.2 MB). Free memory was 165.4 MB in the beginning and 152.1 MB in the end (delta: 13.3 MB). Peak memory consumption was 104.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 41392.01 ms. Allocated memory was 348.7 MB in the beginning and 1.3 GB in the end (delta: 924.3 MB). Free memory was 152.1 MB in the beginning and 730.8 MB in the end (delta: -578.7 MB). Peak memory consumption was 345.6 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 5579]: 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 172 procedures, 1253 locations, 1 error locations. SAFE Result, 41.3s OverallTime, 7 OverallIterations, 4 TraceHistogramMax, 31.5s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 13392 SDtfs, 14098 SDslu, 31187 SDs, 0 SdLazy, 11204 SolverSat, 1690 SolverUnsat, 4 SolverUnknown, 0 SolverNotchecked, 25.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 253 GetRequests, 206 SyntacticMatches, 0 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=74231occurred in iteration=6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.2s AbstIntTime, 1 AbstIntIterations, 1 AbstIntStrong, 1.0 AbsIntWeakeningRatio, 2.3191489361702127 AbsIntAvgWeakeningVarsNumRemoved, 0.0 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 7.2s AutomataMinimizationTime, 7 MinimizatonAttempts, 579 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 1008 NumberOfCodeBlocks, 1008 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 1001 ConstructedInterpolants, 0 QuantifiedInterpolants, 229391 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 6 PerfectInterpolantSequences, 200/205 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...