java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --traceabstraction.trace.refinement.strategy SIFA_TAIPAN --sifa.abstract.domain CompoundDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/ldv-linux-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 22:18:07,498 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-13 22:18:07,501 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-13 22:18:07,520 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-13 22:18:07,520 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-13 22:18:07,522 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-13 22:18:07,523 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-13 22:18:07,534 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-13 22:18:07,536 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-13 22:18:07,538 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-13 22:18:07,539 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-13 22:18:07,540 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-13 22:18:07,542 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-13 22:18:07,543 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-13 22:18:07,547 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-13 22:18:07,549 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-13 22:18:07,552 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-13 22:18:07,556 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-13 22:18:07,558 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-13 22:18:07,563 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-13 22:18:07,567 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-13 22:18:07,568 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-13 22:18:07,572 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-13 22:18:07,573 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-13 22:18:07,577 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-13 22:18:07,577 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-13 22:18:07,577 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-13 22:18:07,579 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-13 22:18:07,581 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-13 22:18:07,582 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-13 22:18:07,583 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-13 22:18:07,584 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-13 22:18:07,585 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-13 22:18:07,585 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-13 22:18:07,588 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-13 22:18:07,588 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-13 22:18:07,589 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-13 22:18:07,589 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-13 22:18:07,589 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-13 22:18:07,591 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-13 22:18:07,593 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-13 22:18:07,594 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-13 22:18:07,614 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-13 22:18:07,617 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-13 22:18:07,619 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-13 22:18:07,619 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-13 22:18:07,620 INFO L138 SettingsManager]: * Use SBE=true [2019-10-13 22:18:07,620 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-13 22:18:07,620 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-13 22:18:07,620 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-13 22:18:07,621 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-13 22:18:07,621 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-13 22:18:07,621 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-13 22:18:07,621 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-13 22:18:07,621 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-13 22:18:07,621 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-13 22:18:07,621 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-13 22:18:07,622 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-13 22:18:07,622 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-13 22:18:07,622 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-13 22:18:07,623 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-13 22:18:07,623 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-13 22:18:07,623 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-13 22:18:07,623 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 22:18:07,623 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-13 22:18:07,625 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-13 22:18:07,625 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-13 22:18:07,626 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-13 22:18:07,626 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-13 22:18:07,626 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-13 22:18:07,626 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> SIFA_TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> CompoundDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK [2019-10-13 22:18:07,947 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-13 22:18:07,964 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-13 22:18:07,968 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-13 22:18:07,969 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-13 22:18:07,970 INFO L275 PluginConnector]: CDTParser initialized [2019-10-13 22:18:07,971 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ethernet--dec--tulip--xircom_cb.ko-entry_point.cil.out.i [2019-10-13 22:18:08,054 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6b6219abb/9a4540eedd244262ac97058ed66378a6/FLAG071ffc5b2 [2019-10-13 22:18:08,943 INFO L306 CDTParser]: Found 1 translation units. [2019-10-13 22:18:08,944 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ethernet--dec--tulip--xircom_cb.ko-entry_point.cil.out.i [2019-10-13 22:18:08,987 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6b6219abb/9a4540eedd244262ac97058ed66378a6/FLAG071ffc5b2 [2019-10-13 22:18:09,415 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6b6219abb/9a4540eedd244262ac97058ed66378a6 [2019-10-13 22:18:09,425 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-13 22:18:09,427 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-13 22:18:09,428 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-13 22:18:09,428 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-13 22:18:09,431 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-13 22:18:09,432 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 10:18:09" (1/1) ... [2019-10-13 22:18:09,435 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4753c9fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:18:09, skipping insertion in model container [2019-10-13 22:18:09,435 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 10:18:09" (1/1) ... [2019-10-13 22:18:09,442 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-13 22:18:09,566 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-13 22:18:11,509 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 22:18:11,543 INFO L188 MainTranslator]: Completed pre-run [2019-10-13 22:18:11,883 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 22:18:12,173 INFO L192 MainTranslator]: Completed translation [2019-10-13 22:18:12,173 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:18:12 WrapperNode [2019-10-13 22:18:12,174 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-13 22:18:12,175 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-13 22:18:12,175 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-13 22:18:12,175 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-13 22:18:12,195 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:18:12" (1/1) ... [2019-10-13 22:18:12,195 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:18:12" (1/1) ... [2019-10-13 22:18:12,250 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:18:12" (1/1) ... [2019-10-13 22:18:12,251 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:18:12" (1/1) ... [2019-10-13 22:18:12,387 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:18:12" (1/1) ... [2019-10-13 22:18:12,417 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:18:12" (1/1) ... [2019-10-13 22:18:12,446 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:18:12" (1/1) ... [2019-10-13 22:18:12,467 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-13 22:18:12,469 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-13 22:18:12,470 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-13 22:18:12,470 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-13 22:18:12,472 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:18:12" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 22:18:12,544 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-13 22:18:12,544 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-13 22:18:12,545 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~~gfp_t~0~X~$Pointer$~TO~$Pointer$ [2019-10-13 22:18:12,545 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 22:18:12,545 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2019-10-13 22:18:12,547 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2019-10-13 22:18:12,548 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_clear_bit [2019-10-13 22:18:12,549 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_save_flags [2019-10-13 22:18:12,549 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_irqs_disabled_flags [2019-10-13 22:18:12,549 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2019-10-13 22:18:12,549 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2019-10-13 22:18:12,550 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2019-10-13 22:18:12,551 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2019-10-13 22:18:12,551 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2019-10-13 22:18:12,551 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2019-10-13 22:18:12,552 INFO L138 BoogieDeclarations]: Found implementation of procedure is_device_dma_capable [2019-10-13 22:18:12,554 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2019-10-13 22:18:12,555 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_coherent_mask [2019-10-13 22:18:12,555 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_coherent_gfp_flags [2019-10-13 22:18:12,555 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2019-10-13 22:18:12,555 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2019-10-13 22:18:12,556 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2019-10-13 22:18:12,556 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_copy_from_linear_data [2019-10-13 22:18:12,556 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_copy_to_linear_data [2019-10-13 22:18:12,557 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-10-13 22:18:12,558 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-10-13 22:18:12,558 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2019-10-13 22:18:12,558 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ptr [2019-10-13 22:18:12,559 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2019-10-13 22:18:12,559 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2019-10-13 22:18:12,559 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2019-10-13 22:18:12,559 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2019-10-13 22:18:12,560 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2019-10-13 22:18:12,560 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2019-10-13 22:18:12,560 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_word [2019-10-13 22:18:12,560 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_word [2019-10-13 22:18:12,560 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_dword [2019-10-13 22:18:12,560 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2019-10-13 22:18:12,560 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_drvdata [2019-10-13 22:18:12,561 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2019-10-13 22:18:12,561 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2019-10-13 22:18:12,561 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2019-10-13 22:18:12,561 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2019-10-13 22:18:12,561 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_wake_queue [2019-10-13 22:18:12,561 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2019-10-13 22:18:12,561 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2019-10-13 22:18:12,562 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2019-10-13 22:18:12,562 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_irq [2019-10-13 22:18:12,562 INFO L138 BoogieDeclarations]: Found implementation of procedure xircom_probe [2019-10-13 22:18:12,562 INFO L138 BoogieDeclarations]: Found implementation of procedure xircom_remove [2019-10-13 22:18:12,562 INFO L138 BoogieDeclarations]: Found implementation of procedure xircom_interrupt [2019-10-13 22:18:12,562 INFO L138 BoogieDeclarations]: Found implementation of procedure xircom_start_xmit [2019-10-13 22:18:12,563 INFO L138 BoogieDeclarations]: Found implementation of procedure xircom_open [2019-10-13 22:18:12,563 INFO L138 BoogieDeclarations]: Found implementation of procedure xircom_close [2019-10-13 22:18:12,563 INFO L138 BoogieDeclarations]: Found implementation of procedure xircom_poll_controller [2019-10-13 22:18:12,563 INFO L138 BoogieDeclarations]: Found implementation of procedure initialize_card [2019-10-13 22:18:12,563 INFO L138 BoogieDeclarations]: Found implementation of procedure trigger_transmit [2019-10-13 22:18:12,563 INFO L138 BoogieDeclarations]: Found implementation of procedure trigger_receive [2019-10-13 22:18:12,563 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_descriptors [2019-10-13 22:18:12,564 INFO L138 BoogieDeclarations]: Found implementation of procedure remove_descriptors [2019-10-13 22:18:12,565 INFO L138 BoogieDeclarations]: Found implementation of procedure link_status_changed [2019-10-13 22:18:12,565 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit_active [2019-10-13 22:18:12,565 INFO L138 BoogieDeclarations]: Found implementation of procedure receive_active [2019-10-13 22:18:12,566 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_receiver [2019-10-13 22:18:12,566 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivate_receiver [2019-10-13 22:18:12,566 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_transmitter [2019-10-13 22:18:12,566 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivate_transmitter [2019-10-13 22:18:12,566 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_transmit_interrupt [2019-10-13 22:18:12,566 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_receive_interrupt [2019-10-13 22:18:12,566 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_link_interrupt [2019-10-13 22:18:12,567 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_all_interrupts [2019-10-13 22:18:12,567 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_common_interrupts [2019-10-13 22:18:12,567 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_promisc [2019-10-13 22:18:12,568 INFO L138 BoogieDeclarations]: Found implementation of procedure link_status [2019-10-13 22:18:12,568 INFO L138 BoogieDeclarations]: Found implementation of procedure read_mac_address [2019-10-13 22:18:12,568 INFO L138 BoogieDeclarations]: Found implementation of procedure transceiver_voodoo [2019-10-13 22:18:12,569 INFO L138 BoogieDeclarations]: Found implementation of procedure xircom_up [2019-10-13 22:18:12,569 INFO L138 BoogieDeclarations]: Found implementation of procedure investigate_read_descriptor [2019-10-13 22:18:12,569 INFO L138 BoogieDeclarations]: Found implementation of procedure investigate_write_descriptor [2019-10-13 22:18:12,569 INFO L138 BoogieDeclarations]: Found implementation of procedure xircom_ops_init [2019-10-13 22:18:12,569 INFO L138 BoogieDeclarations]: Found implementation of procedure xircom_ops_exit [2019-10-13 22:18:12,570 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_pci_driver_3 [2019-10-13 22:18:12,570 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2019-10-13 22:18:12,570 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_irq_1 [2019-10-13 22:18:12,571 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_check_1 [2019-10-13 22:18:12,571 INFO L138 BoogieDeclarations]: Found implementation of procedure choose_interrupt_1 [2019-10-13 22:18:12,571 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_net_device_ops_2 [2019-10-13 22:18:12,572 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_irq_1 [2019-10-13 22:18:12,572 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-13 22:18:12,572 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_consume_skb_5 [2019-10-13 22:18:12,572 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_6 [2019-10-13 22:18:12,572 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_7 [2019-10-13 22:18:12,572 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_8 [2019-10-13 22:18:12,572 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_11 [2019-10-13 22:18:12,572 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_netdev_12 [2019-10-13 22:18:12,573 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev_13 [2019-10-13 22:18:12,573 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev_14 [2019-10-13 22:18:12,573 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev_15 [2019-10-13 22:18:12,573 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq_16 [2019-10-13 22:18:12,573 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq_17 [2019-10-13 22:18:12,573 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_netdev_alloc_skb_18 [2019-10-13 22:18:12,573 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_netif_rx_19 [2019-10-13 22:18:12,573 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_init [2019-10-13 22:18:12,573 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_add [2019-10-13 22:18:12,573 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_remove [2019-10-13 22:18:12,574 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_contains [2019-10-13 22:18:12,574 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_is_empty [2019-10-13 22:18:12,574 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2019-10-13 22:18:12,574 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2019-10-13 22:18:12,574 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2019-10-13 22:18:12,574 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2019-10-13 22:18:12,574 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_alloc [2019-10-13 22:18:12,574 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-10-13 22:18:12,574 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free [2019-10-13 22:18:12,574 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free_int [2019-10-13 22:18:12,575 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_alloc_skb [2019-10-13 22:18:12,575 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_netdev_alloc_skb [2019-10-13 22:18:12,575 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_current [2019-10-13 22:18:12,575 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-10-13 22:18:12,575 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2019-10-13 22:18:12,576 INFO L138 BoogieDeclarations]: Found implementation of procedure __dev_kfree_skb_irq [2019-10-13 22:18:12,576 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_netdev_dbg [2019-10-13 22:18:12,576 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_pr_debug [2019-10-13 22:18:12,576 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_schedule [2019-10-13 22:18:12,577 INFO L138 BoogieDeclarations]: Found implementation of procedure __pci_register_driver [2019-10-13 22:18:12,577 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2019-10-13 22:18:12,577 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock [2019-10-13 22:18:12,577 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2019-10-13 22:18:12,577 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock [2019-10-13 22:18:12,577 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irqrestore [2019-10-13 22:18:12,578 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_etherdev_mqs [2019-10-13 22:18:12,578 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_alloc_coherent [2019-10-13 22:18:12,578 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_free_coherent [2019-10-13 22:18:12,578 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_irq [2019-10-13 22:18:12,578 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_irq [2019-10-13 22:18:12,578 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_change_mtu [2019-10-13 22:18:12,579 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_mac_addr [2019-10-13 22:18:12,579 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_type_trans [2019-10-13 22:18:12,581 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2019-10-13 22:18:12,581 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2019-10-13 22:18:12,581 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2019-10-13 22:18:12,582 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2019-10-13 22:18:12,582 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread8 [2019-10-13 22:18:12,582 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2019-10-13 22:18:12,582 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ndo_init_2 [2019-10-13 22:18:12,582 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ndo_uninit_2 [2019-10-13 22:18:12,582 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_err [2019-10-13 22:18:12,583 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_info [2019-10-13 22:18:12,583 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2019-10-13 22:18:12,583 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2019-10-13 22:18:12,583 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_bus_read_config_word [2019-10-13 22:18:12,583 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_bus_write_config_dword [2019-10-13 22:18:12,583 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_bus_write_config_word [2019-10-13 22:18:12,583 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2019-10-13 22:18:12,583 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2019-10-13 22:18:12,584 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iomap [2019-10-13 22:18:12,584 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2019-10-13 22:18:12,584 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2019-10-13 22:18:12,584 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_request_regions [2019-10-13 22:18:12,584 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2019-10-13 22:18:12,584 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unregister_driver [2019-10-13 22:18:12,586 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2019-10-13 22:18:12,586 INFO L138 BoogieDeclarations]: Found implementation of procedure register_netdev [2019-10-13 22:18:12,586 INFO L138 BoogieDeclarations]: Found implementation of procedure request_threaded_irq [2019-10-13 22:18:12,587 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2019-10-13 22:18:12,587 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2019-10-13 22:18:12,587 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2019-10-13 22:18:12,587 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-10-13 22:18:12,587 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-10-13 22:18:12,587 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-10-13 22:18:12,588 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-10-13 22:18:12,588 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-10-13 22:18:12,588 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-13 22:18:12,588 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2019-10-13 22:18:12,588 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2019-10-13 22:18:12,588 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2019-10-13 22:18:12,588 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_clear_bit [2019-10-13 22:18:12,588 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2019-10-13 22:18:12,589 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_pr_debug [2019-10-13 22:18:12,589 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_netdev_dbg [2019-10-13 22:18:12,589 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2019-10-13 22:18:12,589 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-10-13 22:18:12,589 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_save_flags [2019-10-13 22:18:12,589 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-13 22:18:12,589 INFO L130 BoogieDeclarations]: Found specification of procedure arch_irqs_disabled_flags [2019-10-13 22:18:12,590 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2019-10-13 22:18:12,590 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock [2019-10-13 22:18:12,590 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2019-10-13 22:18:12,590 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock [2019-10-13 22:18:12,590 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore [2019-10-13 22:18:12,590 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2019-10-13 22:18:12,590 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2019-10-13 22:18:12,591 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2019-10-13 22:18:12,591 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2019-10-13 22:18:12,591 INFO L130 BoogieDeclarations]: Found specification of procedure ioread8 [2019-10-13 22:18:12,591 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2019-10-13 22:18:12,591 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2019-10-13 22:18:12,591 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2019-10-13 22:18:12,591 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iomap [2019-10-13 22:18:12,592 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2019-10-13 22:18:12,592 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2019-10-13 22:18:12,592 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-13 22:18:12,592 INFO L130 BoogieDeclarations]: Found specification of procedure is_device_dma_capable [2019-10-13 22:18:12,592 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-13 22:18:12,592 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_alloc_coherent [2019-10-13 22:18:12,592 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_free_coherent [2019-10-13 22:18:12,592 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2019-10-13 22:18:12,593 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_coherent_mask [2019-10-13 22:18:12,593 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_coherent_gfp_flags [2019-10-13 22:18:12,593 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2019-10-13 22:18:12,593 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~~gfp_t~0~X~$Pointer$~TO~$Pointer$ [2019-10-13 22:18:12,593 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2019-10-13 22:18:12,593 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-13 22:18:12,593 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 22:18:12,594 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_6 [2019-10-13 22:18:12,594 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_7 [2019-10-13 22:18:12,594 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_8 [2019-10-13 22:18:12,594 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_11 [2019-10-13 22:18:12,594 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_consume_skb_5 [2019-10-13 22:18:12,594 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2019-10-13 22:18:12,594 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2019-10-13 22:18:12,594 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-13 22:18:12,595 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-10-13 22:18:12,595 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_netdev_alloc_skb_18 [2019-10-13 22:18:12,595 INFO L130 BoogieDeclarations]: Found specification of procedure skb_copy_from_linear_data [2019-10-13 22:18:12,595 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-10-13 22:18:12,595 INFO L130 BoogieDeclarations]: Found specification of procedure skb_copy_to_linear_data [2019-10-13 22:18:12,595 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_alloc [2019-10-13 22:18:12,595 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free [2019-10-13 22:18:12,596 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free_int [2019-10-13 22:18:12,596 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-13 22:18:12,596 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-10-13 22:18:12,596 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-13 22:18:12,596 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-10-13 22:18:12,596 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-10-13 22:18:12,596 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-10-13 22:18:12,596 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-10-13 22:18:12,597 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-13 22:18:12,597 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-10-13 22:18:12,597 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-10-13 22:18:12,597 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2019-10-13 22:18:12,597 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ptr [2019-10-13 22:18:12,597 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2019-10-13 22:18:12,597 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2019-10-13 22:18:12,598 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2019-10-13 22:18:12,598 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2019-10-13 22:18:12,598 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_pci_driver_3 [2019-10-13 22:18:12,598 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2019-10-13 22:18:12,598 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_irq_1 [2019-10-13 22:18:12,598 INFO L130 BoogieDeclarations]: Found specification of procedure reg_check_1 [2019-10-13 22:18:12,598 INFO L130 BoogieDeclarations]: Found specification of procedure choose_interrupt_1 [2019-10-13 22:18:12,599 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_net_device_ops_2 [2019-10-13 22:18:12,599 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_irq_1 [2019-10-13 22:18:12,599 INFO L130 BoogieDeclarations]: Found specification of procedure request_threaded_irq [2019-10-13 22:18:12,599 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2019-10-13 22:18:12,599 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq_16 [2019-10-13 22:18:12,599 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2019-10-13 22:18:12,599 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq_17 [2019-10-13 22:18:12,600 INFO L130 BoogieDeclarations]: Found specification of procedure disable_irq [2019-10-13 22:18:12,600 INFO L130 BoogieDeclarations]: Found specification of procedure enable_irq [2019-10-13 22:18:12,600 INFO L130 BoogieDeclarations]: Found specification of procedure pci_bus_read_config_word [2019-10-13 22:18:12,600 INFO L130 BoogieDeclarations]: Found specification of procedure pci_bus_write_config_word [2019-10-13 22:18:12,600 INFO L130 BoogieDeclarations]: Found specification of procedure pci_bus_write_config_dword [2019-10-13 22:18:12,600 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_word [2019-10-13 22:18:12,601 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_word [2019-10-13 22:18:12,601 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_dword [2019-10-13 22:18:12,601 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2019-10-13 22:18:12,601 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2019-10-13 22:18:12,601 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2019-10-13 22:18:12,601 INFO L130 BoogieDeclarations]: Found specification of procedure pci_request_regions [2019-10-13 22:18:12,601 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2019-10-13 22:18:12,602 INFO L130 BoogieDeclarations]: Found specification of procedure __pci_register_driver [2019-10-13 22:18:12,602 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unregister_driver [2019-10-13 22:18:12,602 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2019-10-13 22:18:12,602 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_drvdata [2019-10-13 22:18:12,602 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2019-10-13 22:18:12,602 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2019-10-13 22:18:12,602 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2019-10-13 22:18:12,603 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2019-10-13 22:18:12,603 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev_13 [2019-10-13 22:18:12,603 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev_15 [2019-10-13 22:18:12,603 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_schedule [2019-10-13 22:18:12,603 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2019-10-13 22:18:12,603 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2019-10-13 22:18:12,603 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_wake_queue [2019-10-13 22:18:12,604 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2019-10-13 22:18:12,604 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2019-10-13 22:18:12,604 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2019-10-13 22:18:12,604 INFO L130 BoogieDeclarations]: Found specification of procedure __dev_kfree_skb_irq [2019-10-13 22:18:12,604 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_irq [2019-10-13 22:18:12,604 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_netif_rx_19 [2019-10-13 22:18:12,604 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2019-10-13 22:18:12,605 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2019-10-13 22:18:12,605 INFO L130 BoogieDeclarations]: Found specification of procedure register_netdev [2019-10-13 22:18:12,605 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_netdev_12 [2019-10-13 22:18:12,605 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2019-10-13 22:18:12,605 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev_14 [2019-10-13 22:18:12,605 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_err [2019-10-13 22:18:12,605 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_info [2019-10-13 22:18:12,606 INFO L130 BoogieDeclarations]: Found specification of procedure eth_type_trans [2019-10-13 22:18:12,606 INFO L130 BoogieDeclarations]: Found specification of procedure eth_mac_addr [2019-10-13 22:18:12,606 INFO L130 BoogieDeclarations]: Found specification of procedure eth_change_mtu [2019-10-13 22:18:12,606 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2019-10-13 22:18:12,606 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_etherdev_mqs [2019-10-13 22:18:12,606 INFO L130 BoogieDeclarations]: Found specification of procedure xircom_probe [2019-10-13 22:18:12,606 INFO L130 BoogieDeclarations]: Found specification of procedure xircom_remove [2019-10-13 22:18:12,607 INFO L130 BoogieDeclarations]: Found specification of procedure xircom_interrupt [2019-10-13 22:18:12,607 INFO L130 BoogieDeclarations]: Found specification of procedure xircom_start_xmit [2019-10-13 22:18:12,607 INFO L130 BoogieDeclarations]: Found specification of procedure xircom_open [2019-10-13 22:18:12,607 INFO L130 BoogieDeclarations]: Found specification of procedure xircom_close [2019-10-13 22:18:12,607 INFO L130 BoogieDeclarations]: Found specification of procedure xircom_up [2019-10-13 22:18:12,607 INFO L130 BoogieDeclarations]: Found specification of procedure xircom_poll_controller [2019-10-13 22:18:12,607 INFO L130 BoogieDeclarations]: Found specification of procedure investigate_read_descriptor [2019-10-13 22:18:12,607 INFO L130 BoogieDeclarations]: Found specification of procedure investigate_write_descriptor [2019-10-13 22:18:12,608 INFO L130 BoogieDeclarations]: Found specification of procedure read_mac_address [2019-10-13 22:18:12,608 INFO L130 BoogieDeclarations]: Found specification of procedure transceiver_voodoo [2019-10-13 22:18:12,608 INFO L130 BoogieDeclarations]: Found specification of procedure initialize_card [2019-10-13 22:18:12,608 INFO L130 BoogieDeclarations]: Found specification of procedure trigger_transmit [2019-10-13 22:18:12,608 INFO L130 BoogieDeclarations]: Found specification of procedure trigger_receive [2019-10-13 22:18:12,608 INFO L130 BoogieDeclarations]: Found specification of procedure setup_descriptors [2019-10-13 22:18:12,608 INFO L130 BoogieDeclarations]: Found specification of procedure remove_descriptors [2019-10-13 22:18:12,609 INFO L130 BoogieDeclarations]: Found specification of procedure link_status_changed [2019-10-13 22:18:12,609 INFO L130 BoogieDeclarations]: Found specification of procedure activate_receiver [2019-10-13 22:18:12,609 INFO L130 BoogieDeclarations]: Found specification of procedure deactivate_receiver [2019-10-13 22:18:12,609 INFO L130 BoogieDeclarations]: Found specification of procedure activate_transmitter [2019-10-13 22:18:12,609 INFO L130 BoogieDeclarations]: Found specification of procedure deactivate_transmitter [2019-10-13 22:18:12,609 INFO L130 BoogieDeclarations]: Found specification of procedure enable_transmit_interrupt [2019-10-13 22:18:12,609 INFO L130 BoogieDeclarations]: Found specification of procedure enable_receive_interrupt [2019-10-13 22:18:12,609 INFO L130 BoogieDeclarations]: Found specification of procedure enable_link_interrupt [2019-10-13 22:18:12,610 INFO L130 BoogieDeclarations]: Found specification of procedure disable_all_interrupts [2019-10-13 22:18:12,610 INFO L130 BoogieDeclarations]: Found specification of procedure link_status [2019-10-13 22:18:12,610 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-13 22:18:12,610 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-10-13 22:18:12,610 INFO L130 BoogieDeclarations]: Found specification of procedure transmit_active [2019-10-13 22:18:12,610 INFO L130 BoogieDeclarations]: Found specification of procedure receive_active [2019-10-13 22:18:12,610 INFO L130 BoogieDeclarations]: Found specification of procedure enable_common_interrupts [2019-10-13 22:18:12,611 INFO L130 BoogieDeclarations]: Found specification of procedure enable_promisc [2019-10-13 22:18:12,611 INFO L130 BoogieDeclarations]: Found specification of procedure xircom_ops_init [2019-10-13 22:18:12,611 INFO L130 BoogieDeclarations]: Found specification of procedure xircom_ops_exit [2019-10-13 22:18:12,611 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ndo_init_2 [2019-10-13 22:18:12,611 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ndo_uninit_2 [2019-10-13 22:18:12,611 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-10-13 22:18:12,611 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-10-13 22:18:12,612 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-13 22:18:12,612 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_init [2019-10-13 22:18:12,612 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_add [2019-10-13 22:18:12,612 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_remove [2019-10-13 22:18:12,612 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_contains [2019-10-13 22:18:12,612 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_is_empty [2019-10-13 22:18:12,612 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2019-10-13 22:18:12,613 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2019-10-13 22:18:12,613 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2019-10-13 22:18:12,613 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2019-10-13 22:18:12,613 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_netdev_alloc_skb [2019-10-13 22:18:12,613 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_alloc_skb [2019-10-13 22:18:12,613 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_current [2019-10-13 22:18:12,613 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-10-13 22:18:12,614 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ushort [2019-10-13 22:18:12,614 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2019-10-13 22:18:12,614 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-13 22:18:12,614 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-10-13 22:18:12,614 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-13 22:18:12,614 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-13 22:18:12,614 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-10-13 22:18:12,614 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-13 22:18:12,615 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2019-10-13 22:18:12,615 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2019-10-13 22:18:12,615 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-10-13 22:18:12,615 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-10-13 22:18:13,559 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2019-10-13 22:18:31,408 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-13 22:18:31,409 INFO L284 CfgBuilder]: Removed 4 assume(true) statements. [2019-10-13 22:18:31,411 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 10:18:31 BoogieIcfgContainer [2019-10-13 22:18:31,411 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-13 22:18:31,414 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-13 22:18:31,414 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-13 22:18:31,417 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-13 22:18:31,418 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 10:18:09" (1/3) ... [2019-10-13 22:18:31,418 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f247203 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 10:18:31, skipping insertion in model container [2019-10-13 22:18:31,419 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:18:12" (2/3) ... [2019-10-13 22:18:31,419 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f247203 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 10:18:31, skipping insertion in model container [2019-10-13 22:18:31,419 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 10:18:31" (3/3) ... [2019-10-13 22:18:31,423 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 22:18:31,434 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-13 22:18:31,446 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-13 22:18:31,459 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-13 22:18:31,498 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-13 22:18:31,498 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-13 22:18:31,498 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-13 22:18:31,499 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-13 22:18:31,499 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-13 22:18:31,499 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-13 22:18:31,500 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-13 22:18:31,500 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-13 22:18:31,541 INFO L276 IsEmpty]: Start isEmpty. Operand 1014 states. [2019-10-13 22:18:31,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-10-13 22:18:31,557 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 22:18:31,558 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] [2019-10-13 22:18:31,560 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 22:18:31,565 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 22:18:31,565 INFO L82 PathProgramCache]: Analyzing trace with hash 1613395193, now seen corresponding path program 1 times [2019-10-13 22:18:31,573 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 22:18:31,574 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [543933983] [2019-10-13 22:18:31,574 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:18:31,575 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:18:31,575 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 22:18:31,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 22:18:32,175 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 22:18:32,176 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [543933983] [2019-10-13 22:18:32,177 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 22:18:32,177 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 22:18:32,177 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [853952153] [2019-10-13 22:18:32,182 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 22:18:32,182 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 22:18:32,194 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 22:18:32,195 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 22:18:32,197 INFO L87 Difference]: Start difference. First operand 1014 states. Second operand 3 states. [2019-10-13 22:18:32,756 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 22:18:32,756 INFO L93 Difference]: Finished difference Result 2913 states and 3772 transitions. [2019-10-13 22:18:32,757 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 22:18:32,758 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2019-10-13 22:18:32,759 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 22:18:32,801 INFO L225 Difference]: With dead ends: 2913 [2019-10-13 22:18:32,801 INFO L226 Difference]: Without dead ends: 1909 [2019-10-13 22:18:32,815 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 22:18:32,843 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1909 states. [2019-10-13 22:18:33,023 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1909 to 1909. [2019-10-13 22:18:33,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1909 states. [2019-10-13 22:18:33,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1909 states to 1909 states and 2426 transitions. [2019-10-13 22:18:33,041 INFO L78 Accepts]: Start accepts. Automaton has 1909 states and 2426 transitions. Word has length 52 [2019-10-13 22:18:33,042 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 22:18:33,042 INFO L462 AbstractCegarLoop]: Abstraction has 1909 states and 2426 transitions. [2019-10-13 22:18:33,042 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 22:18:33,042 INFO L276 IsEmpty]: Start isEmpty. Operand 1909 states and 2426 transitions. [2019-10-13 22:18:33,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2019-10-13 22:18:33,047 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 22:18:33,048 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 22:18:33,048 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 22:18:33,048 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 22:18:33,048 INFO L82 PathProgramCache]: Analyzing trace with hash 2024528081, now seen corresponding path program 1 times [2019-10-13 22:18:33,049 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 22:18:33,049 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [897380751] [2019-10-13 22:18:33,049 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:18:33,049 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:18:33,049 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 22:18:33,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 22:18:33,342 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 22:18:33,342 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [897380751] [2019-10-13 22:18:33,343 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 22:18:33,343 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-13 22:18:33,343 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [685819563] [2019-10-13 22:18:33,345 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-13 22:18:33,345 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 22:18:33,345 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-13 22:18:33,345 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-13 22:18:33,345 INFO L87 Difference]: Start difference. First operand 1909 states and 2426 transitions. Second operand 6 states. [2019-10-13 22:18:35,342 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 22:18:35,343 INFO L93 Difference]: Finished difference Result 3808 states and 4875 transitions. [2019-10-13 22:18:35,343 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-13 22:18:35,344 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 56 [2019-10-13 22:18:35,344 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 22:18:35,382 INFO L225 Difference]: With dead ends: 3808 [2019-10-13 22:18:35,382 INFO L226 Difference]: Without dead ends: 3791 [2019-10-13 22:18:35,386 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 22:18:35,393 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3791 states. [2019-10-13 22:18:35,577 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3791 to 3791. [2019-10-13 22:18:35,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3791 states. [2019-10-13 22:18:35,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3791 states to 3791 states and 4856 transitions. [2019-10-13 22:18:35,604 INFO L78 Accepts]: Start accepts. Automaton has 3791 states and 4856 transitions. Word has length 56 [2019-10-13 22:18:35,605 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 22:18:35,605 INFO L462 AbstractCegarLoop]: Abstraction has 3791 states and 4856 transitions. [2019-10-13 22:18:35,605 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-13 22:18:35,606 INFO L276 IsEmpty]: Start isEmpty. Operand 3791 states and 4856 transitions. [2019-10-13 22:18:35,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2019-10-13 22:18:35,629 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 22:18:35,630 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 22:18:35,630 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 22:18:35,630 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 22:18:35,631 INFO L82 PathProgramCache]: Analyzing trace with hash 1756536928, now seen corresponding path program 1 times [2019-10-13 22:18:35,631 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 22:18:35,631 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1244742190] [2019-10-13 22:18:35,632 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:18:35,632 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:18:35,632 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 22:18:35,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 22:18:35,911 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2019-10-13 22:18:35,912 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1244742190] [2019-10-13 22:18:35,912 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 22:18:35,912 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 22:18:35,912 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1572716121] [2019-10-13 22:18:35,914 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 22:18:35,916 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 22:18:35,916 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 22:18:35,917 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 22:18:35,917 INFO L87 Difference]: Start difference. First operand 3791 states and 4856 transitions. Second operand 3 states. [2019-10-13 22:18:36,362 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 22:18:36,362 INFO L93 Difference]: Finished difference Result 9837 states and 12476 transitions. [2019-10-13 22:18:36,362 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 22:18:36,363 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 174 [2019-10-13 22:18:36,363 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 22:18:36,414 INFO L225 Difference]: With dead ends: 9837 [2019-10-13 22:18:36,414 INFO L226 Difference]: Without dead ends: 6064 [2019-10-13 22:18:36,430 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 22:18:36,440 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6064 states. [2019-10-13 22:18:36,797 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6064 to 5959. [2019-10-13 22:18:36,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5959 states. [2019-10-13 22:18:36,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5959 states to 5959 states and 7525 transitions. [2019-10-13 22:18:36,837 INFO L78 Accepts]: Start accepts. Automaton has 5959 states and 7525 transitions. Word has length 174 [2019-10-13 22:18:36,840 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 22:18:36,840 INFO L462 AbstractCegarLoop]: Abstraction has 5959 states and 7525 transitions. [2019-10-13 22:18:36,840 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 22:18:36,841 INFO L276 IsEmpty]: Start isEmpty. Operand 5959 states and 7525 transitions. [2019-10-13 22:18:36,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2019-10-13 22:18:36,848 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 22:18:36,848 INFO L380 BasicCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 22:18:36,849 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 22:18:36,849 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 22:18:36,849 INFO L82 PathProgramCache]: Analyzing trace with hash -1096641182, now seen corresponding path program 1 times [2019-10-13 22:18:36,849 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 22:18:36,850 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [55430604] [2019-10-13 22:18:36,850 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:18:36,850 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:18:36,850 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 22:18:36,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 22:18:37,099 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2019-10-13 22:18:37,100 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [55430604] [2019-10-13 22:18:37,100 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 22:18:37,100 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-13 22:18:37,103 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [902148970] [2019-10-13 22:18:37,104 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-13 22:18:37,104 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 22:18:37,104 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-13 22:18:37,104 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-13 22:18:37,104 INFO L87 Difference]: Start difference. First operand 5959 states and 7525 transitions. Second operand 6 states. [2019-10-13 22:18:40,405 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 22:18:40,405 INFO L93 Difference]: Finished difference Result 23842 states and 30235 transitions. [2019-10-13 22:18:40,405 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-10-13 22:18:40,406 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 162 [2019-10-13 22:18:40,407 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 22:18:40,526 INFO L225 Difference]: With dead ends: 23842 [2019-10-13 22:18:40,527 INFO L226 Difference]: Without dead ends: 17901 [2019-10-13 22:18:40,555 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2019-10-13 22:18:40,581 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17901 states. [2019-10-13 22:18:42,287 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17901 to 17827. [2019-10-13 22:18:42,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17827 states. [2019-10-13 22:18:42,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17827 states to 17827 states and 22599 transitions. [2019-10-13 22:18:42,354 INFO L78 Accepts]: Start accepts. Automaton has 17827 states and 22599 transitions. Word has length 162 [2019-10-13 22:18:42,355 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 22:18:42,355 INFO L462 AbstractCegarLoop]: Abstraction has 17827 states and 22599 transitions. [2019-10-13 22:18:42,355 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-13 22:18:42,356 INFO L276 IsEmpty]: Start isEmpty. Operand 17827 states and 22599 transitions. [2019-10-13 22:18:42,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2019-10-13 22:18:42,363 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 22:18:42,363 INFO L380 BasicCegarLoop]: trace histogram [4, 4, 4, 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] [2019-10-13 22:18:42,363 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 22:18:42,364 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 22:18:42,364 INFO L82 PathProgramCache]: Analyzing trace with hash -1360377511, now seen corresponding path program 1 times [2019-10-13 22:18:42,367 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 22:18:42,367 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1414439319] [2019-10-13 22:18:42,367 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:18:42,367 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:18:42,367 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 22:18:42,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 22:18:42,621 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2019-10-13 22:18:42,622 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1414439319] [2019-10-13 22:18:42,623 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 22:18:42,623 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-13 22:18:42,623 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [436687859] [2019-10-13 22:18:42,625 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-13 22:18:42,625 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 22:18:42,625 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-13 22:18:42,630 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-13 22:18:42,630 INFO L87 Difference]: Start difference. First operand 17827 states and 22599 transitions. Second operand 6 states.