java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --abstractinterpretationv2.abstract.domain IntervalDomain --traceabstraction.trace.refinement.strategy TAIPAN --traceabstraction.abstract.interpretation.mode USE_PREDICATES -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-f4eb214f-m [2019-10-13 20:32:12,399 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-13 20:32:12,402 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-13 20:32:12,414 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-13 20:32:12,415 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-13 20:32:12,416 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-13 20:32:12,417 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-13 20:32:12,419 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-13 20:32:12,421 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-13 20:32:12,422 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-13 20:32:12,426 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-13 20:32:12,427 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-13 20:32:12,427 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-13 20:32:12,429 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-13 20:32:12,429 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-13 20:32:12,431 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-13 20:32:12,431 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-13 20:32:12,432 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-13 20:32:12,434 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-13 20:32:12,435 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-13 20:32:12,437 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-13 20:32:12,438 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-13 20:32:12,439 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-13 20:32:12,440 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-13 20:32:12,441 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-13 20:32:12,442 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-13 20:32:12,442 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-13 20:32:12,443 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-13 20:32:12,443 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-13 20:32:12,444 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-13 20:32:12,444 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-13 20:32:12,445 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-13 20:32:12,446 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-13 20:32:12,446 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-13 20:32:12,447 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-13 20:32:12,448 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-13 20:32:12,448 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-13 20:32:12,449 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-13 20:32:12,449 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-13 20:32:12,450 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-13 20:32:12,450 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-13 20:32:12,451 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-13 20:32:12,465 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-13 20:32:12,466 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-13 20:32:12,467 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-13 20:32:12,467 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-13 20:32:12,467 INFO L138 SettingsManager]: * Use SBE=true [2019-10-13 20:32:12,468 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-13 20:32:12,468 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-13 20:32:12,468 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-13 20:32:12,468 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-13 20:32:12,468 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-13 20:32:12,468 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-13 20:32:12,469 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-13 20:32:12,469 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-13 20:32:12,469 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-13 20:32:12,469 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-13 20:32:12,469 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-13 20:32:12,470 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-13 20:32:12,470 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-13 20:32:12,470 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-13 20:32:12,470 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-13 20:32:12,470 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-13 20:32:12,471 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 20:32:12,471 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-13 20:32:12,471 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-13 20:32:12,471 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-13 20:32:12,471 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-13 20:32:12,472 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-13 20:32:12,472 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-13 20:32:12,472 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: Abstract domain -> IntervalDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Abstract interpretation Mode -> USE_PREDICATES [2019-10-13 20:32:12,761 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-13 20:32:12,774 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-13 20:32:12,778 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-13 20:32:12,780 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-13 20:32:12,780 INFO L275 PluginConnector]: CDTParser initialized [2019-10-13 20:32:12,781 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ethernet--dec--tulip--xircom_cb.ko-entry_point.cil.out.i [2019-10-13 20:32:12,852 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/11d7023f6/41abf3f7709b421e98852af7c677b382/FLAG8c2d41216 [2019-10-13 20:32:13,719 INFO L306 CDTParser]: Found 1 translation units. [2019-10-13 20:32:13,720 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ethernet--dec--tulip--xircom_cb.ko-entry_point.cil.out.i [2019-10-13 20:32:13,768 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/11d7023f6/41abf3f7709b421e98852af7c677b382/FLAG8c2d41216 [2019-10-13 20:32:14,285 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/11d7023f6/41abf3f7709b421e98852af7c677b382 [2019-10-13 20:32:14,294 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-13 20:32:14,296 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-13 20:32:14,297 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-13 20:32:14,297 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-13 20:32:14,301 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-13 20:32:14,302 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 08:32:14" (1/1) ... [2019-10-13 20:32:14,305 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@56450df3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:32:14, skipping insertion in model container [2019-10-13 20:32:14,306 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 08:32:14" (1/1) ... [2019-10-13 20:32:14,314 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-13 20:32:14,440 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-13 20:32:16,354 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 20:32:16,392 INFO L188 MainTranslator]: Completed pre-run [2019-10-13 20:32:16,686 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 20:32:17,044 INFO L192 MainTranslator]: Completed translation [2019-10-13 20:32:17,045 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:32:17 WrapperNode [2019-10-13 20:32:17,045 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-13 20:32:17,046 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-13 20:32:17,046 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-13 20:32:17,046 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-13 20:32:17,061 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:32:17" (1/1) ... [2019-10-13 20:32:17,061 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:32:17" (1/1) ... [2019-10-13 20:32:17,149 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:32:17" (1/1) ... [2019-10-13 20:32:17,149 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:32:17" (1/1) ... [2019-10-13 20:32:17,248 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:32:17" (1/1) ... [2019-10-13 20:32:17,268 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:32:17" (1/1) ... [2019-10-13 20:32:17,298 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:32:17" (1/1) ... [2019-10-13 20:32:17,327 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-13 20:32:17,327 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-13 20:32:17,327 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-13 20:32:17,328 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-13 20:32:17,329 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:32:17" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 20:32:17,406 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-13 20:32:17,406 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-13 20:32:17,407 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~~gfp_t~0~X~$Pointer$~TO~$Pointer$ [2019-10-13 20:32:17,409 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~~dma_addr_t~0~X~$Pointer$~TO~VOID [2019-10-13 20:32:17,410 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2019-10-13 20:32:17,411 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2019-10-13 20:32:17,411 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_clear_bit [2019-10-13 20:32:17,412 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_save_flags [2019-10-13 20:32:17,413 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_irqs_disabled_flags [2019-10-13 20:32:17,414 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2019-10-13 20:32:17,415 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2019-10-13 20:32:17,415 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2019-10-13 20:32:17,415 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2019-10-13 20:32:17,417 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2019-10-13 20:32:17,417 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2019-10-13 20:32:17,417 INFO L138 BoogieDeclarations]: Found implementation of procedure is_device_dma_capable [2019-10-13 20:32:17,419 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2019-10-13 20:32:17,420 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_coherent_mask [2019-10-13 20:32:17,420 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_coherent_gfp_flags [2019-10-13 20:32:17,421 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2019-10-13 20:32:17,421 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2019-10-13 20:32:17,421 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2019-10-13 20:32:17,422 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_copy_from_linear_data [2019-10-13 20:32:17,422 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_copy_to_linear_data [2019-10-13 20:32:17,422 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-10-13 20:32:17,422 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-10-13 20:32:17,422 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2019-10-13 20:32:17,422 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ptr [2019-10-13 20:32:17,422 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2019-10-13 20:32:17,423 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2019-10-13 20:32:17,423 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2019-10-13 20:32:17,423 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2019-10-13 20:32:17,423 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2019-10-13 20:32:17,423 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2019-10-13 20:32:17,423 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_word [2019-10-13 20:32:17,424 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_word [2019-10-13 20:32:17,424 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_dword [2019-10-13 20:32:17,424 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2019-10-13 20:32:17,424 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_drvdata [2019-10-13 20:32:17,424 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2019-10-13 20:32:17,425 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2019-10-13 20:32:17,425 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2019-10-13 20:32:17,425 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2019-10-13 20:32:17,425 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_wake_queue [2019-10-13 20:32:17,425 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2019-10-13 20:32:17,425 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2019-10-13 20:32:17,425 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2019-10-13 20:32:17,426 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_irq [2019-10-13 20:32:17,426 INFO L138 BoogieDeclarations]: Found implementation of procedure xircom_probe [2019-10-13 20:32:17,426 INFO L138 BoogieDeclarations]: Found implementation of procedure xircom_remove [2019-10-13 20:32:17,426 INFO L138 BoogieDeclarations]: Found implementation of procedure xircom_interrupt [2019-10-13 20:32:17,426 INFO L138 BoogieDeclarations]: Found implementation of procedure xircom_start_xmit [2019-10-13 20:32:17,426 INFO L138 BoogieDeclarations]: Found implementation of procedure xircom_open [2019-10-13 20:32:17,426 INFO L138 BoogieDeclarations]: Found implementation of procedure xircom_close [2019-10-13 20:32:17,427 INFO L138 BoogieDeclarations]: Found implementation of procedure xircom_poll_controller [2019-10-13 20:32:17,427 INFO L138 BoogieDeclarations]: Found implementation of procedure initialize_card [2019-10-13 20:32:17,427 INFO L138 BoogieDeclarations]: Found implementation of procedure trigger_transmit [2019-10-13 20:32:17,427 INFO L138 BoogieDeclarations]: Found implementation of procedure trigger_receive [2019-10-13 20:32:17,427 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_descriptors [2019-10-13 20:32:17,427 INFO L138 BoogieDeclarations]: Found implementation of procedure remove_descriptors [2019-10-13 20:32:17,428 INFO L138 BoogieDeclarations]: Found implementation of procedure link_status_changed [2019-10-13 20:32:17,428 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit_active [2019-10-13 20:32:17,429 INFO L138 BoogieDeclarations]: Found implementation of procedure receive_active [2019-10-13 20:32:17,429 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_receiver [2019-10-13 20:32:17,429 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivate_receiver [2019-10-13 20:32:17,429 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_transmitter [2019-10-13 20:32:17,429 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivate_transmitter [2019-10-13 20:32:17,429 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_transmit_interrupt [2019-10-13 20:32:17,429 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_receive_interrupt [2019-10-13 20:32:17,430 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_link_interrupt [2019-10-13 20:32:17,430 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_all_interrupts [2019-10-13 20:32:17,430 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_common_interrupts [2019-10-13 20:32:17,430 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_promisc [2019-10-13 20:32:17,431 INFO L138 BoogieDeclarations]: Found implementation of procedure link_status [2019-10-13 20:32:17,431 INFO L138 BoogieDeclarations]: Found implementation of procedure read_mac_address [2019-10-13 20:32:17,431 INFO L138 BoogieDeclarations]: Found implementation of procedure transceiver_voodoo [2019-10-13 20:32:17,431 INFO L138 BoogieDeclarations]: Found implementation of procedure xircom_up [2019-10-13 20:32:17,432 INFO L138 BoogieDeclarations]: Found implementation of procedure investigate_read_descriptor [2019-10-13 20:32:17,432 INFO L138 BoogieDeclarations]: Found implementation of procedure investigate_write_descriptor [2019-10-13 20:32:17,433 INFO L138 BoogieDeclarations]: Found implementation of procedure xircom_ops_init [2019-10-13 20:32:17,433 INFO L138 BoogieDeclarations]: Found implementation of procedure xircom_ops_exit [2019-10-13 20:32:17,433 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_pci_driver_3 [2019-10-13 20:32:17,433 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2019-10-13 20:32:17,433 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_irq_1 [2019-10-13 20:32:17,434 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_check_1 [2019-10-13 20:32:17,434 INFO L138 BoogieDeclarations]: Found implementation of procedure choose_interrupt_1 [2019-10-13 20:32:17,434 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_net_device_ops_2 [2019-10-13 20:32:17,435 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_irq_1 [2019-10-13 20:32:17,435 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-13 20:32:17,435 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_consume_skb_5 [2019-10-13 20:32:17,436 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_6 [2019-10-13 20:32:17,436 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_7 [2019-10-13 20:32:17,436 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_8 [2019-10-13 20:32:17,436 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_11 [2019-10-13 20:32:17,436 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_netdev_12 [2019-10-13 20:32:17,436 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev_13 [2019-10-13 20:32:17,436 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev_14 [2019-10-13 20:32:17,436 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev_15 [2019-10-13 20:32:17,437 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq_16 [2019-10-13 20:32:17,437 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq_17 [2019-10-13 20:32:17,437 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_netdev_alloc_skb_18 [2019-10-13 20:32:17,437 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_netif_rx_19 [2019-10-13 20:32:17,437 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_init [2019-10-13 20:32:17,437 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_add [2019-10-13 20:32:17,437 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_remove [2019-10-13 20:32:17,438 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_contains [2019-10-13 20:32:17,438 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_is_empty [2019-10-13 20:32:17,438 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2019-10-13 20:32:17,438 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2019-10-13 20:32:17,438 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2019-10-13 20:32:17,438 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2019-10-13 20:32:17,438 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_alloc [2019-10-13 20:32:17,439 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-10-13 20:32:17,439 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free [2019-10-13 20:32:17,439 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free_int [2019-10-13 20:32:17,439 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_alloc_skb [2019-10-13 20:32:17,440 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_netdev_alloc_skb [2019-10-13 20:32:17,440 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_current [2019-10-13 20:32:17,440 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-10-13 20:32:17,440 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2019-10-13 20:32:17,440 INFO L138 BoogieDeclarations]: Found implementation of procedure __dev_kfree_skb_irq [2019-10-13 20:32:17,441 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_netdev_dbg [2019-10-13 20:32:17,441 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_pr_debug [2019-10-13 20:32:17,441 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_schedule [2019-10-13 20:32:17,442 INFO L138 BoogieDeclarations]: Found implementation of procedure __pci_register_driver [2019-10-13 20:32:17,442 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2019-10-13 20:32:17,442 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock [2019-10-13 20:32:17,442 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2019-10-13 20:32:17,442 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock [2019-10-13 20:32:17,442 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irqrestore [2019-10-13 20:32:17,443 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_etherdev_mqs [2019-10-13 20:32:17,443 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_alloc_coherent [2019-10-13 20:32:17,443 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_free_coherent [2019-10-13 20:32:17,443 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_irq [2019-10-13 20:32:17,444 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_irq [2019-10-13 20:32:17,444 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_change_mtu [2019-10-13 20:32:17,445 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_mac_addr [2019-10-13 20:32:17,448 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_type_trans [2019-10-13 20:32:17,448 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2019-10-13 20:32:17,449 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2019-10-13 20:32:17,449 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2019-10-13 20:32:17,449 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2019-10-13 20:32:17,450 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread8 [2019-10-13 20:32:17,450 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2019-10-13 20:32:17,457 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ndo_init_2 [2019-10-13 20:32:17,458 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ndo_uninit_2 [2019-10-13 20:32:17,458 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_err [2019-10-13 20:32:17,458 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_info [2019-10-13 20:32:17,458 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2019-10-13 20:32:17,458 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2019-10-13 20:32:17,458 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_bus_read_config_word [2019-10-13 20:32:17,459 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_bus_write_config_dword [2019-10-13 20:32:17,459 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_bus_write_config_word [2019-10-13 20:32:17,459 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2019-10-13 20:32:17,459 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2019-10-13 20:32:17,459 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iomap [2019-10-13 20:32:17,459 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2019-10-13 20:32:17,459 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2019-10-13 20:32:17,460 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_request_regions [2019-10-13 20:32:17,460 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2019-10-13 20:32:17,460 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unregister_driver [2019-10-13 20:32:17,460 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2019-10-13 20:32:17,461 INFO L138 BoogieDeclarations]: Found implementation of procedure register_netdev [2019-10-13 20:32:17,461 INFO L138 BoogieDeclarations]: Found implementation of procedure request_threaded_irq [2019-10-13 20:32:17,461 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2019-10-13 20:32:17,461 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2019-10-13 20:32:17,461 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2019-10-13 20:32:17,461 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-10-13 20:32:17,462 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-10-13 20:32:17,462 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-10-13 20:32:17,462 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-10-13 20:32:17,462 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-10-13 20:32:17,462 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-13 20:32:17,462 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2019-10-13 20:32:17,463 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2019-10-13 20:32:17,463 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2019-10-13 20:32:17,463 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_clear_bit [2019-10-13 20:32:17,463 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2019-10-13 20:32:17,463 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_pr_debug [2019-10-13 20:32:17,463 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_netdev_dbg [2019-10-13 20:32:17,463 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2019-10-13 20:32:17,464 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-10-13 20:32:17,464 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_save_flags [2019-10-13 20:32:17,464 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-13 20:32:17,464 INFO L130 BoogieDeclarations]: Found specification of procedure arch_irqs_disabled_flags [2019-10-13 20:32:17,464 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2019-10-13 20:32:17,464 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock [2019-10-13 20:32:17,464 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2019-10-13 20:32:17,464 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock [2019-10-13 20:32:17,465 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore [2019-10-13 20:32:17,465 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2019-10-13 20:32:17,465 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2019-10-13 20:32:17,465 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2019-10-13 20:32:17,465 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2019-10-13 20:32:17,465 INFO L130 BoogieDeclarations]: Found specification of procedure ioread8 [2019-10-13 20:32:17,465 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2019-10-13 20:32:17,466 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2019-10-13 20:32:17,466 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2019-10-13 20:32:17,466 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iomap [2019-10-13 20:32:17,466 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2019-10-13 20:32:17,466 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2019-10-13 20:32:17,466 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-13 20:32:17,466 INFO L130 BoogieDeclarations]: Found specification of procedure is_device_dma_capable [2019-10-13 20:32:17,467 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-13 20:32:17,467 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_alloc_coherent [2019-10-13 20:32:17,467 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_free_coherent [2019-10-13 20:32:17,467 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2019-10-13 20:32:17,467 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_coherent_mask [2019-10-13 20:32:17,467 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_coherent_gfp_flags [2019-10-13 20:32:17,467 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2019-10-13 20:32:17,468 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~~gfp_t~0~X~$Pointer$~TO~$Pointer$ [2019-10-13 20:32:17,468 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2019-10-13 20:32:17,468 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-13 20:32:17,468 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~~dma_addr_t~0~X~$Pointer$~TO~VOID [2019-10-13 20:32:17,468 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_6 [2019-10-13 20:32:17,468 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_7 [2019-10-13 20:32:17,468 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_8 [2019-10-13 20:32:17,468 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_11 [2019-10-13 20:32:17,469 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_consume_skb_5 [2019-10-13 20:32:17,469 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2019-10-13 20:32:17,469 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2019-10-13 20:32:17,469 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-13 20:32:17,469 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-10-13 20:32:17,469 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_netdev_alloc_skb_18 [2019-10-13 20:32:17,469 INFO L130 BoogieDeclarations]: Found specification of procedure skb_copy_from_linear_data [2019-10-13 20:32:17,470 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-10-13 20:32:17,470 INFO L130 BoogieDeclarations]: Found specification of procedure skb_copy_to_linear_data [2019-10-13 20:32:17,470 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_alloc [2019-10-13 20:32:17,470 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free [2019-10-13 20:32:17,470 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free_int [2019-10-13 20:32:17,470 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-13 20:32:17,470 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-10-13 20:32:17,471 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-13 20:32:17,471 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-10-13 20:32:17,471 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-10-13 20:32:17,471 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-10-13 20:32:17,471 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-10-13 20:32:17,471 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-13 20:32:17,471 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-10-13 20:32:17,471 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-10-13 20:32:17,472 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2019-10-13 20:32:17,472 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ptr [2019-10-13 20:32:17,472 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2019-10-13 20:32:17,472 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2019-10-13 20:32:17,472 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2019-10-13 20:32:17,472 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2019-10-13 20:32:17,472 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_pci_driver_3 [2019-10-13 20:32:17,473 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2019-10-13 20:32:17,473 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_irq_1 [2019-10-13 20:32:17,473 INFO L130 BoogieDeclarations]: Found specification of procedure reg_check_1 [2019-10-13 20:32:17,473 INFO L130 BoogieDeclarations]: Found specification of procedure choose_interrupt_1 [2019-10-13 20:32:17,473 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_net_device_ops_2 [2019-10-13 20:32:17,473 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_irq_1 [2019-10-13 20:32:17,473 INFO L130 BoogieDeclarations]: Found specification of procedure request_threaded_irq [2019-10-13 20:32:17,474 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2019-10-13 20:32:17,474 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq_16 [2019-10-13 20:32:17,474 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2019-10-13 20:32:17,474 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq_17 [2019-10-13 20:32:17,474 INFO L130 BoogieDeclarations]: Found specification of procedure disable_irq [2019-10-13 20:32:17,474 INFO L130 BoogieDeclarations]: Found specification of procedure enable_irq [2019-10-13 20:32:17,474 INFO L130 BoogieDeclarations]: Found specification of procedure pci_bus_read_config_word [2019-10-13 20:32:17,475 INFO L130 BoogieDeclarations]: Found specification of procedure pci_bus_write_config_word [2019-10-13 20:32:17,475 INFO L130 BoogieDeclarations]: Found specification of procedure pci_bus_write_config_dword [2019-10-13 20:32:17,476 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_word [2019-10-13 20:32:17,481 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_word [2019-10-13 20:32:17,481 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_dword [2019-10-13 20:32:17,481 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2019-10-13 20:32:17,481 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2019-10-13 20:32:17,481 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2019-10-13 20:32:17,481 INFO L130 BoogieDeclarations]: Found specification of procedure pci_request_regions [2019-10-13 20:32:17,482 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2019-10-13 20:32:17,482 INFO L130 BoogieDeclarations]: Found specification of procedure __pci_register_driver [2019-10-13 20:32:17,483 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unregister_driver [2019-10-13 20:32:17,483 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2019-10-13 20:32:17,484 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_drvdata [2019-10-13 20:32:17,484 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2019-10-13 20:32:17,484 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2019-10-13 20:32:17,484 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2019-10-13 20:32:17,484 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2019-10-13 20:32:17,484 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev_13 [2019-10-13 20:32:17,484 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev_15 [2019-10-13 20:32:17,485 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_schedule [2019-10-13 20:32:17,485 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2019-10-13 20:32:17,485 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2019-10-13 20:32:17,485 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_wake_queue [2019-10-13 20:32:17,485 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2019-10-13 20:32:17,485 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2019-10-13 20:32:17,485 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2019-10-13 20:32:17,486 INFO L130 BoogieDeclarations]: Found specification of procedure __dev_kfree_skb_irq [2019-10-13 20:32:17,486 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_irq [2019-10-13 20:32:17,486 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_netif_rx_19 [2019-10-13 20:32:17,486 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2019-10-13 20:32:17,486 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2019-10-13 20:32:17,486 INFO L130 BoogieDeclarations]: Found specification of procedure register_netdev [2019-10-13 20:32:17,486 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_netdev_12 [2019-10-13 20:32:17,486 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2019-10-13 20:32:17,487 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev_14 [2019-10-13 20:32:17,487 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_err [2019-10-13 20:32:17,487 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_info [2019-10-13 20:32:17,487 INFO L130 BoogieDeclarations]: Found specification of procedure eth_type_trans [2019-10-13 20:32:17,487 INFO L130 BoogieDeclarations]: Found specification of procedure eth_mac_addr [2019-10-13 20:32:17,487 INFO L130 BoogieDeclarations]: Found specification of procedure eth_change_mtu [2019-10-13 20:32:17,487 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2019-10-13 20:32:17,487 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_etherdev_mqs [2019-10-13 20:32:17,488 INFO L130 BoogieDeclarations]: Found specification of procedure xircom_probe [2019-10-13 20:32:17,488 INFO L130 BoogieDeclarations]: Found specification of procedure xircom_remove [2019-10-13 20:32:17,488 INFO L130 BoogieDeclarations]: Found specification of procedure xircom_interrupt [2019-10-13 20:32:17,488 INFO L130 BoogieDeclarations]: Found specification of procedure xircom_start_xmit [2019-10-13 20:32:17,488 INFO L130 BoogieDeclarations]: Found specification of procedure xircom_open [2019-10-13 20:32:17,488 INFO L130 BoogieDeclarations]: Found specification of procedure xircom_close [2019-10-13 20:32:17,488 INFO L130 BoogieDeclarations]: Found specification of procedure xircom_up [2019-10-13 20:32:17,488 INFO L130 BoogieDeclarations]: Found specification of procedure xircom_poll_controller [2019-10-13 20:32:17,489 INFO L130 BoogieDeclarations]: Found specification of procedure investigate_read_descriptor [2019-10-13 20:32:17,489 INFO L130 BoogieDeclarations]: Found specification of procedure investigate_write_descriptor [2019-10-13 20:32:17,489 INFO L130 BoogieDeclarations]: Found specification of procedure read_mac_address [2019-10-13 20:32:17,489 INFO L130 BoogieDeclarations]: Found specification of procedure transceiver_voodoo [2019-10-13 20:32:17,489 INFO L130 BoogieDeclarations]: Found specification of procedure initialize_card [2019-10-13 20:32:17,489 INFO L130 BoogieDeclarations]: Found specification of procedure trigger_transmit [2019-10-13 20:32:17,489 INFO L130 BoogieDeclarations]: Found specification of procedure trigger_receive [2019-10-13 20:32:17,489 INFO L130 BoogieDeclarations]: Found specification of procedure setup_descriptors [2019-10-13 20:32:17,490 INFO L130 BoogieDeclarations]: Found specification of procedure remove_descriptors [2019-10-13 20:32:17,490 INFO L130 BoogieDeclarations]: Found specification of procedure link_status_changed [2019-10-13 20:32:17,490 INFO L130 BoogieDeclarations]: Found specification of procedure activate_receiver [2019-10-13 20:32:17,490 INFO L130 BoogieDeclarations]: Found specification of procedure deactivate_receiver [2019-10-13 20:32:17,490 INFO L130 BoogieDeclarations]: Found specification of procedure activate_transmitter [2019-10-13 20:32:17,490 INFO L130 BoogieDeclarations]: Found specification of procedure deactivate_transmitter [2019-10-13 20:32:17,490 INFO L130 BoogieDeclarations]: Found specification of procedure enable_transmit_interrupt [2019-10-13 20:32:17,490 INFO L130 BoogieDeclarations]: Found specification of procedure enable_receive_interrupt [2019-10-13 20:32:17,490 INFO L130 BoogieDeclarations]: Found specification of procedure enable_link_interrupt [2019-10-13 20:32:17,491 INFO L130 BoogieDeclarations]: Found specification of procedure disable_all_interrupts [2019-10-13 20:32:17,491 INFO L130 BoogieDeclarations]: Found specification of procedure link_status [2019-10-13 20:32:17,491 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-13 20:32:17,491 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-10-13 20:32:17,491 INFO L130 BoogieDeclarations]: Found specification of procedure transmit_active [2019-10-13 20:32:17,491 INFO L130 BoogieDeclarations]: Found specification of procedure receive_active [2019-10-13 20:32:17,491 INFO L130 BoogieDeclarations]: Found specification of procedure enable_common_interrupts [2019-10-13 20:32:17,491 INFO L130 BoogieDeclarations]: Found specification of procedure enable_promisc [2019-10-13 20:32:17,491 INFO L130 BoogieDeclarations]: Found specification of procedure xircom_ops_init [2019-10-13 20:32:17,492 INFO L130 BoogieDeclarations]: Found specification of procedure xircom_ops_exit [2019-10-13 20:32:17,492 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ndo_init_2 [2019-10-13 20:32:17,492 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ndo_uninit_2 [2019-10-13 20:32:17,492 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-10-13 20:32:17,492 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-10-13 20:32:17,492 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-13 20:32:17,492 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_init [2019-10-13 20:32:17,492 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_add [2019-10-13 20:32:17,493 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_remove [2019-10-13 20:32:17,493 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_contains [2019-10-13 20:32:17,493 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_is_empty [2019-10-13 20:32:17,493 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2019-10-13 20:32:17,493 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2019-10-13 20:32:17,493 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2019-10-13 20:32:17,493 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2019-10-13 20:32:17,493 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_netdev_alloc_skb [2019-10-13 20:32:17,494 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_alloc_skb [2019-10-13 20:32:17,494 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_current [2019-10-13 20:32:17,494 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-10-13 20:32:17,494 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ushort [2019-10-13 20:32:17,494 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2019-10-13 20:32:17,494 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-13 20:32:17,494 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-10-13 20:32:17,494 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-13 20:32:17,495 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-13 20:32:17,495 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-10-13 20:32:17,495 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-13 20:32:17,495 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2019-10-13 20:32:17,495 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2019-10-13 20:32:17,495 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-10-13 20:32:17,495 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-10-13 20:32:18,556 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2019-10-13 20:32:24,692 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-13 20:32:24,693 INFO L284 CfgBuilder]: Removed 4 assume(true) statements. [2019-10-13 20:32:24,695 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 08:32:24 BoogieIcfgContainer [2019-10-13 20:32:24,695 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-13 20:32:24,698 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-13 20:32:24,698 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-13 20:32:24,701 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-13 20:32:24,701 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 08:32:14" (1/3) ... [2019-10-13 20:32:24,702 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13d65e98 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 08:32:24, skipping insertion in model container [2019-10-13 20:32:24,702 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:32:17" (2/3) ... [2019-10-13 20:32:24,703 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13d65e98 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 08:32:24, skipping insertion in model container [2019-10-13 20:32:24,703 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 08:32:24" (3/3) ... [2019-10-13 20:32:24,706 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 [2019-10-13 20:32:24,716 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-13 20:32:24,730 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-13 20:32:24,742 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-13 20:32:24,786 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-13 20:32:24,786 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-13 20:32:24,786 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-13 20:32:24,787 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-13 20:32:24,787 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-13 20:32:24,787 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-13 20:32:24,787 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-13 20:32:24,787 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-13 20:32:24,835 INFO L276 IsEmpty]: Start isEmpty. Operand 1172 states. [2019-10-13 20:32:24,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2019-10-13 20:32:24,849 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 20:32:24,850 INFO L380 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] [2019-10-13 20:32:24,852 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 20:32:24,858 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 20:32:24,858 INFO L82 PathProgramCache]: Analyzing trace with hash 2145756215, now seen corresponding path program 1 times [2019-10-13 20:32:24,867 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 20:32:24,868 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1253112272] [2019-10-13 20:32:24,868 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:32:24,868 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:32:24,868 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 20:32:25,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 20:32:25,464 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2019-10-13 20:32:25,465 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1253112272] [2019-10-13 20:32:25,466 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 20:32:25,466 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 20:32:25,466 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1717198760] [2019-10-13 20:32:25,471 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 20:32:25,473 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 20:32:25,488 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 20:32:25,489 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 20:32:25,491 INFO L87 Difference]: Start difference. First operand 1172 states. Second operand 3 states. [2019-10-13 20:32:25,854 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 20:32:25,854 INFO L93 Difference]: Finished difference Result 3369 states and 4351 transitions. [2019-10-13 20:32:25,857 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 20:32:25,859 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 56 [2019-10-13 20:32:25,859 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 20:32:25,890 INFO L225 Difference]: With dead ends: 3369 [2019-10-13 20:32:25,891 INFO L226 Difference]: Without dead ends: 2210 [2019-10-13 20:32:25,903 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 20:32:25,930 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2210 states. [2019-10-13 20:32:26,198 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2210 to 2210. [2019-10-13 20:32:26,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2210 states. [2019-10-13 20:32:26,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2210 states to 2210 states and 2803 transitions. [2019-10-13 20:32:26,218 INFO L78 Accepts]: Start accepts. Automaton has 2210 states and 2803 transitions. Word has length 56 [2019-10-13 20:32:26,219 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 20:32:26,219 INFO L462 AbstractCegarLoop]: Abstraction has 2210 states and 2803 transitions. [2019-10-13 20:32:26,219 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 20:32:26,219 INFO L276 IsEmpty]: Start isEmpty. Operand 2210 states and 2803 transitions. [2019-10-13 20:32:26,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2019-10-13 20:32:26,230 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 20:32:26,231 INFO L380 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] [2019-10-13 20:32:26,231 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 20:32:26,231 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 20:32:26,231 INFO L82 PathProgramCache]: Analyzing trace with hash -863396753, now seen corresponding path program 1 times [2019-10-13 20:32:26,232 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 20:32:26,232 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [458747723] [2019-10-13 20:32:26,232 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:32:26,232 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:32:26,232 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 20:32:26,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 20:32:26,575 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2019-10-13 20:32:26,575 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [458747723] [2019-10-13 20:32:26,576 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 20:32:26,576 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-13 20:32:26,576 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1349314288] [2019-10-13 20:32:26,580 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-13 20:32:26,580 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 20:32:26,581 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-13 20:32:26,581 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-13 20:32:26,581 INFO L87 Difference]: Start difference. First operand 2210 states and 2803 transitions. Second operand 6 states. [2019-10-13 20:32:28,379 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 20:32:28,379 INFO L93 Difference]: Finished difference Result 6595 states and 8441 transitions. [2019-10-13 20:32:28,380 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-13 20:32:28,380 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 61 [2019-10-13 20:32:28,380 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 20:32:28,416 INFO L225 Difference]: With dead ends: 6595 [2019-10-13 20:32:28,416 INFO L226 Difference]: Without dead ends: 4389 [2019-10-13 20:32:28,426 INFO L600 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 [2019-10-13 20:32:28,431 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4389 states. [2019-10-13 20:32:28,582 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4389 to 4389. [2019-10-13 20:32:28,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4389 states. [2019-10-13 20:32:28,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4389 states to 4389 states and 5606 transitions. [2019-10-13 20:32:28,690 INFO L78 Accepts]: Start accepts. Automaton has 4389 states and 5606 transitions. Word has length 61 [2019-10-13 20:32:28,690 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 20:32:28,691 INFO L462 AbstractCegarLoop]: Abstraction has 4389 states and 5606 transitions. [2019-10-13 20:32:28,691 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-13 20:32:28,691 INFO L276 IsEmpty]: Start isEmpty. Operand 4389 states and 5606 transitions. [2019-10-13 20:32:28,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2019-10-13 20:32:28,704 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 20:32:28,704 INFO L380 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] [2019-10-13 20:32:28,705 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 20:32:28,705 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 20:32:28,705 INFO L82 PathProgramCache]: Analyzing trace with hash 1403340287, now seen corresponding path program 1 times [2019-10-13 20:32:28,706 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 20:32:28,706 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [245101659] [2019-10-13 20:32:28,706 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:32:28,706 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:32:28,706 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 20:32:28,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 20:32:28,971 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2019-10-13 20:32:28,972 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [245101659] [2019-10-13 20:32:28,972 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 20:32:28,973 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-13 20:32:28,973 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1330663842] [2019-10-13 20:32:28,975 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-13 20:32:28,976 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 20:32:28,977 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-13 20:32:28,977 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-13 20:32:28,977 INFO L87 Difference]: Start difference. First operand 4389 states and 5606 transitions. Second operand 6 states. [2019-10-13 20:32:31,869 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 20:32:31,869 INFO L93 Difference]: Finished difference Result 13155 states and 16900 transitions. [2019-10-13 20:32:31,870 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-10-13 20:32:31,870 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 176 [2019-10-13 20:32:31,871 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 20:32:31,924 INFO L225 Difference]: With dead ends: 13155 [2019-10-13 20:32:31,924 INFO L226 Difference]: Without dead ends: 8786 [2019-10-13 20:32:31,943 INFO L600 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 [2019-10-13 20:32:31,955 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8786 states. [2019-10-13 20:32:32,389 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8786 to 8767. [2019-10-13 20:32:32,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8767 states. [2019-10-13 20:32:32,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8767 states to 8767 states and 11223 transitions. [2019-10-13 20:32:32,445 INFO L78 Accepts]: Start accepts. Automaton has 8767 states and 11223 transitions. Word has length 176 [2019-10-13 20:32:32,446 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 20:32:32,446 INFO L462 AbstractCegarLoop]: Abstraction has 8767 states and 11223 transitions. [2019-10-13 20:32:32,446 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-13 20:32:32,446 INFO L276 IsEmpty]: Start isEmpty. Operand 8767 states and 11223 transitions. [2019-10-13 20:32:32,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2019-10-13 20:32:32,471 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 20:32:32,471 INFO L380 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] [2019-10-13 20:32:32,471 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 20:32:32,472 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 20:32:32,472 INFO L82 PathProgramCache]: Analyzing trace with hash 259730760, now seen corresponding path program 1 times [2019-10-13 20:32:32,472 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 20:32:32,473 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1405647826] [2019-10-13 20:32:32,473 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:32:32,473 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:32:32,477 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 20:32:32,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 20:32:32,764 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2019-10-13 20:32:32,764 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1405647826] [2019-10-13 20:32:32,764 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 20:32:32,765 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-13 20:32:32,765 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [552974882] [2019-10-13 20:32:32,766 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-13 20:32:32,766 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 20:32:32,767 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-13 20:32:32,767 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-13 20:32:32,768 INFO L87 Difference]: Start difference. First operand 8767 states and 11223 transitions. Second operand 6 states. [2019-10-13 20:32:35,938 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 20:32:35,938 INFO L93 Difference]: Finished difference Result 26277 states and 33757 transitions. [2019-10-13 20:32:35,939 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-10-13 20:32:35,939 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 177 [2019-10-13 20:32:35,947 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 20:32:36,067 INFO L225 Difference]: With dead ends: 26277 [2019-10-13 20:32:36,067 INFO L226 Difference]: Without dead ends: 17530 [2019-10-13 20:32:36,102 INFO L600 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 [2019-10-13 20:32:36,127 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17530 states. [2019-10-13 20:32:36,833 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17530 to 17503. [2019-10-13 20:32:36,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17503 states. [2019-10-13 20:32:36,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17503 states to 17503 states and 22415 transitions. [2019-10-13 20:32:36,891 INFO L78 Accepts]: Start accepts. Automaton has 17503 states and 22415 transitions. Word has length 177 [2019-10-13 20:32:36,892 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 20:32:36,892 INFO L462 AbstractCegarLoop]: Abstraction has 17503 states and 22415 transitions. [2019-10-13 20:32:36,892 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-13 20:32:36,892 INFO L276 IsEmpty]: Start isEmpty. Operand 17503 states and 22415 transitions. [2019-10-13 20:32:36,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2019-10-13 20:32:36,909 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 20:32:36,909 INFO L380 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] [2019-10-13 20:32:36,909 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 20:32:36,909 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 20:32:36,910 INFO L82 PathProgramCache]: Analyzing trace with hash -1658644154, now seen corresponding path program 1 times [2019-10-13 20:32:36,910 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 20:32:36,910 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1081951724] [2019-10-13 20:32:36,910 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:32:36,911 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:32:36,911 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 20:32:36,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 20:32:37,222 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2019-10-13 20:32:37,222 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1081951724] [2019-10-13 20:32:37,222 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 20:32:37,223 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-13 20:32:37,223 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [551936933] [2019-10-13 20:32:37,223 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-13 20:32:37,224 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 20:32:37,224 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-13 20:32:37,224 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-10-13 20:32:37,224 INFO L87 Difference]: Start difference. First operand 17503 states and 22415 transitions. Second operand 7 states.