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 -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 0.1.24-673a906-m [2019-10-02 06:53:35,802 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-02 06:53:35,804 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-02 06:53:35,815 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-02 06:53:35,816 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-02 06:53:35,817 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-02 06:53:35,818 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-02 06:53:35,820 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-02 06:53:35,822 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-02 06:53:35,822 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-02 06:53:35,823 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-02 06:53:35,824 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-02 06:53:35,825 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-02 06:53:35,826 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-02 06:53:35,827 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-02 06:53:35,828 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-02 06:53:35,828 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-02 06:53:35,829 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-02 06:53:35,831 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-02 06:53:35,833 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-02 06:53:35,835 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-02 06:53:35,836 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-02 06:53:35,837 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-02 06:53:35,838 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-02 06:53:35,840 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-02 06:53:35,840 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-02 06:53:35,840 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-02 06:53:35,841 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-02 06:53:35,842 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-02 06:53:35,842 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-02 06:53:35,843 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-02 06:53:35,843 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-02 06:53:35,844 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-02 06:53:35,845 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-02 06:53:35,846 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-02 06:53:35,846 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-02 06:53:35,847 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-02 06:53:35,847 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-02 06:53:35,847 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-02 06:53:35,848 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-02 06:53:35,849 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-02 06:53:35,849 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 [2019-10-02 06:53:35,864 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-02 06:53:35,865 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-02 06:53:35,866 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-02 06:53:35,866 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-02 06:53:35,866 INFO L138 SettingsManager]: * Use SBE=true [2019-10-02 06:53:35,866 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-02 06:53:35,866 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-02 06:53:35,867 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-02 06:53:35,867 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-02 06:53:35,867 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-02 06:53:35,867 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-02 06:53:35,867 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-02 06:53:35,868 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-02 06:53:35,868 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-02 06:53:35,868 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-02 06:53:35,868 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-02 06:53:35,868 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-02 06:53:35,869 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-02 06:53:35,869 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-02 06:53:35,869 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-02 06:53:35,869 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-02 06:53:35,869 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-02 06:53:35,870 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-02 06:53:35,870 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-02 06:53:35,870 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-02 06:53:35,870 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-02 06:53:35,870 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-02 06:53:35,871 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-02 06:53:35,871 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-02 06:53:35,899 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-02 06:53:35,911 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-02 06:53:35,914 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-02 06:53:35,915 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-02 06:53:35,916 INFO L275 PluginConnector]: CDTParser initialized [2019-10-02 06:53:35,916 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ethernet--dec--tulip--xircom_cb.ko-entry_point.cil.out.i [2019-10-02 06:53:35,991 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/552495f63/4b1ba7d05fca43c69effdba123bee861/FLAG3da44faf6 [2019-10-02 06:53:36,789 INFO L306 CDTParser]: Found 1 translation units. [2019-10-02 06:53:36,790 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ethernet--dec--tulip--xircom_cb.ko-entry_point.cil.out.i [2019-10-02 06:53:36,839 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/552495f63/4b1ba7d05fca43c69effdba123bee861/FLAG3da44faf6 [2019-10-02 06:53:37,291 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/552495f63/4b1ba7d05fca43c69effdba123bee861 [2019-10-02 06:53:37,305 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-02 06:53:37,306 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-02 06:53:37,309 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-02 06:53:37,310 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-02 06:53:37,313 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-02 06:53:37,314 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.10 06:53:37" (1/1) ... [2019-10-02 06:53:37,317 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@528d6d3e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 06:53:37, skipping insertion in model container [2019-10-02 06:53:37,318 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.10 06:53:37" (1/1) ... [2019-10-02 06:53:37,324 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-02 06:53:37,474 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-02 06:53:39,349 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-02 06:53:39,393 INFO L188 MainTranslator]: Completed pre-run [2019-10-02 06:53:39,827 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-02 06:53:40,127 INFO L192 MainTranslator]: Completed translation [2019-10-02 06:53:40,128 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 06:53:40 WrapperNode [2019-10-02 06:53:40,128 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-02 06:53:40,129 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-02 06:53:40,129 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-02 06:53:40,129 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-02 06:53:40,142 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 06:53:40" (1/1) ... [2019-10-02 06:53:40,142 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 06:53:40" (1/1) ... [2019-10-02 06:53:40,198 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 06:53:40" (1/1) ... [2019-10-02 06:53:40,199 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 06:53:40" (1/1) ... [2019-10-02 06:53:40,292 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 06:53:40" (1/1) ... [2019-10-02 06:53:40,306 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 06:53:40" (1/1) ... [2019-10-02 06:53:40,326 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 06:53:40" (1/1) ... [2019-10-02 06:53:40,354 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-02 06:53:40,354 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-02 06:53:40,355 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-02 06:53:40,355 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-02 06:53:40,359 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 06:53:40" (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 [2019-10-02 06:53:40,430 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-02 06:53:40,430 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-02 06:53:40,430 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~~gfp_t~0~X~$Pointer$~TO~$Pointer$ [2019-10-02 06:53:40,431 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~~dma_addr_t~0~X~$Pointer$~TO~VOID [2019-10-02 06:53:40,432 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2019-10-02 06:53:40,432 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2019-10-02 06:53:40,432 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_clear_bit [2019-10-02 06:53:40,432 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_save_flags [2019-10-02 06:53:40,433 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_irqs_disabled_flags [2019-10-02 06:53:40,434 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2019-10-02 06:53:40,434 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2019-10-02 06:53:40,434 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2019-10-02 06:53:40,435 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2019-10-02 06:53:40,435 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2019-10-02 06:53:40,436 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2019-10-02 06:53:40,436 INFO L138 BoogieDeclarations]: Found implementation of procedure is_device_dma_capable [2019-10-02 06:53:40,438 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2019-10-02 06:53:40,438 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_coherent_mask [2019-10-02 06:53:40,438 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_coherent_gfp_flags [2019-10-02 06:53:40,439 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2019-10-02 06:53:40,439 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2019-10-02 06:53:40,439 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2019-10-02 06:53:40,439 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_copy_from_linear_data [2019-10-02 06:53:40,439 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_copy_to_linear_data [2019-10-02 06:53:40,439 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-10-02 06:53:40,440 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-10-02 06:53:40,440 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2019-10-02 06:53:40,440 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ptr [2019-10-02 06:53:40,440 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2019-10-02 06:53:40,440 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2019-10-02 06:53:40,440 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2019-10-02 06:53:40,440 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2019-10-02 06:53:40,441 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2019-10-02 06:53:40,441 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2019-10-02 06:53:40,441 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_word [2019-10-02 06:53:40,441 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_word [2019-10-02 06:53:40,441 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_dword [2019-10-02 06:53:40,441 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2019-10-02 06:53:40,442 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_drvdata [2019-10-02 06:53:40,442 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2019-10-02 06:53:40,442 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2019-10-02 06:53:40,442 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2019-10-02 06:53:40,442 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2019-10-02 06:53:40,443 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_wake_queue [2019-10-02 06:53:40,443 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2019-10-02 06:53:40,443 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2019-10-02 06:53:40,443 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2019-10-02 06:53:40,443 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_irq [2019-10-02 06:53:40,443 INFO L138 BoogieDeclarations]: Found implementation of procedure xircom_probe [2019-10-02 06:53:40,444 INFO L138 BoogieDeclarations]: Found implementation of procedure xircom_remove [2019-10-02 06:53:40,444 INFO L138 BoogieDeclarations]: Found implementation of procedure xircom_interrupt [2019-10-02 06:53:40,444 INFO L138 BoogieDeclarations]: Found implementation of procedure xircom_start_xmit [2019-10-02 06:53:40,444 INFO L138 BoogieDeclarations]: Found implementation of procedure xircom_open [2019-10-02 06:53:40,444 INFO L138 BoogieDeclarations]: Found implementation of procedure xircom_close [2019-10-02 06:53:40,444 INFO L138 BoogieDeclarations]: Found implementation of procedure xircom_poll_controller [2019-10-02 06:53:40,445 INFO L138 BoogieDeclarations]: Found implementation of procedure initialize_card [2019-10-02 06:53:40,445 INFO L138 BoogieDeclarations]: Found implementation of procedure trigger_transmit [2019-10-02 06:53:40,445 INFO L138 BoogieDeclarations]: Found implementation of procedure trigger_receive [2019-10-02 06:53:40,445 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_descriptors [2019-10-02 06:53:40,445 INFO L138 BoogieDeclarations]: Found implementation of procedure remove_descriptors [2019-10-02 06:53:40,445 INFO L138 BoogieDeclarations]: Found implementation of procedure link_status_changed [2019-10-02 06:53:40,445 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit_active [2019-10-02 06:53:40,446 INFO L138 BoogieDeclarations]: Found implementation of procedure receive_active [2019-10-02 06:53:40,446 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_receiver [2019-10-02 06:53:40,446 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivate_receiver [2019-10-02 06:53:40,446 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_transmitter [2019-10-02 06:53:40,446 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivate_transmitter [2019-10-02 06:53:40,446 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_transmit_interrupt [2019-10-02 06:53:40,446 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_receive_interrupt [2019-10-02 06:53:40,447 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_link_interrupt [2019-10-02 06:53:40,447 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_all_interrupts [2019-10-02 06:53:40,447 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_common_interrupts [2019-10-02 06:53:40,447 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_promisc [2019-10-02 06:53:40,447 INFO L138 BoogieDeclarations]: Found implementation of procedure link_status [2019-10-02 06:53:40,448 INFO L138 BoogieDeclarations]: Found implementation of procedure read_mac_address [2019-10-02 06:53:40,448 INFO L138 BoogieDeclarations]: Found implementation of procedure transceiver_voodoo [2019-10-02 06:53:40,449 INFO L138 BoogieDeclarations]: Found implementation of procedure xircom_up [2019-10-02 06:53:40,449 INFO L138 BoogieDeclarations]: Found implementation of procedure investigate_read_descriptor [2019-10-02 06:53:40,449 INFO L138 BoogieDeclarations]: Found implementation of procedure investigate_write_descriptor [2019-10-02 06:53:40,449 INFO L138 BoogieDeclarations]: Found implementation of procedure xircom_ops_init [2019-10-02 06:53:40,449 INFO L138 BoogieDeclarations]: Found implementation of procedure xircom_ops_exit [2019-10-02 06:53:40,449 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_pci_driver_3 [2019-10-02 06:53:40,450 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2019-10-02 06:53:40,450 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_irq_1 [2019-10-02 06:53:40,450 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_check_1 [2019-10-02 06:53:40,451 INFO L138 BoogieDeclarations]: Found implementation of procedure choose_interrupt_1 [2019-10-02 06:53:40,451 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_net_device_ops_2 [2019-10-02 06:53:40,452 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_irq_1 [2019-10-02 06:53:40,452 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-02 06:53:40,452 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_consume_skb_5 [2019-10-02 06:53:40,452 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_6 [2019-10-02 06:53:40,453 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_7 [2019-10-02 06:53:40,453 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_8 [2019-10-02 06:53:40,453 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_11 [2019-10-02 06:53:40,454 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_netdev_12 [2019-10-02 06:53:40,454 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev_13 [2019-10-02 06:53:40,454 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev_14 [2019-10-02 06:53:40,454 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev_15 [2019-10-02 06:53:40,454 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq_16 [2019-10-02 06:53:40,454 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq_17 [2019-10-02 06:53:40,454 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_netdev_alloc_skb_18 [2019-10-02 06:53:40,455 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_netif_rx_19 [2019-10-02 06:53:40,455 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_init [2019-10-02 06:53:40,455 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_add [2019-10-02 06:53:40,455 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_remove [2019-10-02 06:53:40,455 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_contains [2019-10-02 06:53:40,455 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_is_empty [2019-10-02 06:53:40,455 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2019-10-02 06:53:40,456 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2019-10-02 06:53:40,456 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2019-10-02 06:53:40,456 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2019-10-02 06:53:40,456 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_alloc [2019-10-02 06:53:40,456 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-10-02 06:53:40,456 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free [2019-10-02 06:53:40,456 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free_int [2019-10-02 06:53:40,456 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_alloc_skb [2019-10-02 06:53:40,457 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_netdev_alloc_skb [2019-10-02 06:53:40,457 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_current [2019-10-02 06:53:40,457 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-10-02 06:53:40,457 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2019-10-02 06:53:40,458 INFO L138 BoogieDeclarations]: Found implementation of procedure __dev_kfree_skb_irq [2019-10-02 06:53:40,458 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_netdev_dbg [2019-10-02 06:53:40,458 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_pr_debug [2019-10-02 06:53:40,458 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_schedule [2019-10-02 06:53:40,459 INFO L138 BoogieDeclarations]: Found implementation of procedure __pci_register_driver [2019-10-02 06:53:40,459 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2019-10-02 06:53:40,459 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock [2019-10-02 06:53:40,460 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2019-10-02 06:53:40,460 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock [2019-10-02 06:53:40,460 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irqrestore [2019-10-02 06:53:40,460 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_etherdev_mqs [2019-10-02 06:53:40,460 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_alloc_coherent [2019-10-02 06:53:40,461 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_free_coherent [2019-10-02 06:53:40,461 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_irq [2019-10-02 06:53:40,461 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_irq [2019-10-02 06:53:40,461 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_change_mtu [2019-10-02 06:53:40,464 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_mac_addr [2019-10-02 06:53:40,464 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_type_trans [2019-10-02 06:53:40,464 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2019-10-02 06:53:40,465 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2019-10-02 06:53:40,468 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2019-10-02 06:53:40,469 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2019-10-02 06:53:40,469 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread8 [2019-10-02 06:53:40,470 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2019-10-02 06:53:40,477 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ndo_init_2 [2019-10-02 06:53:40,477 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ndo_uninit_2 [2019-10-02 06:53:40,477 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_err [2019-10-02 06:53:40,477 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_info [2019-10-02 06:53:40,477 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2019-10-02 06:53:40,478 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2019-10-02 06:53:40,478 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_bus_read_config_word [2019-10-02 06:53:40,478 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_bus_write_config_dword [2019-10-02 06:53:40,478 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_bus_write_config_word [2019-10-02 06:53:40,478 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2019-10-02 06:53:40,478 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2019-10-02 06:53:40,478 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iomap [2019-10-02 06:53:40,478 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2019-10-02 06:53:40,479 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2019-10-02 06:53:40,479 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_request_regions [2019-10-02 06:53:40,479 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2019-10-02 06:53:40,479 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unregister_driver [2019-10-02 06:53:40,479 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2019-10-02 06:53:40,479 INFO L138 BoogieDeclarations]: Found implementation of procedure register_netdev [2019-10-02 06:53:40,479 INFO L138 BoogieDeclarations]: Found implementation of procedure request_threaded_irq [2019-10-02 06:53:40,479 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2019-10-02 06:53:40,480 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2019-10-02 06:53:40,480 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2019-10-02 06:53:40,480 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-10-02 06:53:40,480 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-10-02 06:53:40,481 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-10-02 06:53:40,482 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-10-02 06:53:40,482 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-10-02 06:53:40,482 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-02 06:53:40,482 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2019-10-02 06:53:40,482 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2019-10-02 06:53:40,482 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2019-10-02 06:53:40,482 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_clear_bit [2019-10-02 06:53:40,483 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2019-10-02 06:53:40,483 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_pr_debug [2019-10-02 06:53:40,483 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_netdev_dbg [2019-10-02 06:53:40,483 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2019-10-02 06:53:40,483 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-10-02 06:53:40,483 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_save_flags [2019-10-02 06:53:40,483 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-02 06:53:40,483 INFO L130 BoogieDeclarations]: Found specification of procedure arch_irqs_disabled_flags [2019-10-02 06:53:40,484 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2019-10-02 06:53:40,484 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock [2019-10-02 06:53:40,484 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2019-10-02 06:53:40,484 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock [2019-10-02 06:53:40,484 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore [2019-10-02 06:53:40,484 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2019-10-02 06:53:40,484 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2019-10-02 06:53:40,484 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2019-10-02 06:53:40,485 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2019-10-02 06:53:40,485 INFO L130 BoogieDeclarations]: Found specification of procedure ioread8 [2019-10-02 06:53:40,485 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2019-10-02 06:53:40,485 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2019-10-02 06:53:40,485 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2019-10-02 06:53:40,485 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iomap [2019-10-02 06:53:40,485 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2019-10-02 06:53:40,486 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2019-10-02 06:53:40,486 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-02 06:53:40,486 INFO L130 BoogieDeclarations]: Found specification of procedure is_device_dma_capable [2019-10-02 06:53:40,486 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-02 06:53:40,486 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_alloc_coherent [2019-10-02 06:53:40,486 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_free_coherent [2019-10-02 06:53:40,486 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2019-10-02 06:53:40,486 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_coherent_mask [2019-10-02 06:53:40,487 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_coherent_gfp_flags [2019-10-02 06:53:40,487 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2019-10-02 06:53:40,487 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~~gfp_t~0~X~$Pointer$~TO~$Pointer$ [2019-10-02 06:53:40,487 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2019-10-02 06:53:40,487 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-02 06:53:40,487 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~~dma_addr_t~0~X~$Pointer$~TO~VOID [2019-10-02 06:53:40,487 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_6 [2019-10-02 06:53:40,488 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_7 [2019-10-02 06:53:40,488 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_8 [2019-10-02 06:53:40,488 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_11 [2019-10-02 06:53:40,488 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_consume_skb_5 [2019-10-02 06:53:40,488 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2019-10-02 06:53:40,488 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2019-10-02 06:53:40,488 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-02 06:53:40,488 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-10-02 06:53:40,489 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_netdev_alloc_skb_18 [2019-10-02 06:53:40,489 INFO L130 BoogieDeclarations]: Found specification of procedure skb_copy_from_linear_data [2019-10-02 06:53:40,489 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-10-02 06:53:40,489 INFO L130 BoogieDeclarations]: Found specification of procedure skb_copy_to_linear_data [2019-10-02 06:53:40,489 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_alloc [2019-10-02 06:53:40,489 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free [2019-10-02 06:53:40,489 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free_int [2019-10-02 06:53:40,489 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-02 06:53:40,490 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-10-02 06:53:40,490 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-02 06:53:40,490 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-10-02 06:53:40,490 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-10-02 06:53:40,490 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-10-02 06:53:40,490 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-10-02 06:53:40,490 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-02 06:53:40,490 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-10-02 06:53:40,491 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-10-02 06:53:40,491 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2019-10-02 06:53:40,491 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ptr [2019-10-02 06:53:40,491 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2019-10-02 06:53:40,491 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2019-10-02 06:53:40,491 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2019-10-02 06:53:40,491 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2019-10-02 06:53:40,491 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_pci_driver_3 [2019-10-02 06:53:40,492 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2019-10-02 06:53:40,492 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_irq_1 [2019-10-02 06:53:40,492 INFO L130 BoogieDeclarations]: Found specification of procedure reg_check_1 [2019-10-02 06:53:40,492 INFO L130 BoogieDeclarations]: Found specification of procedure choose_interrupt_1 [2019-10-02 06:53:40,492 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_net_device_ops_2 [2019-10-02 06:53:40,492 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_irq_1 [2019-10-02 06:53:40,492 INFO L130 BoogieDeclarations]: Found specification of procedure request_threaded_irq [2019-10-02 06:53:40,492 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2019-10-02 06:53:40,493 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq_16 [2019-10-02 06:53:40,493 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2019-10-02 06:53:40,493 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq_17 [2019-10-02 06:53:40,493 INFO L130 BoogieDeclarations]: Found specification of procedure disable_irq [2019-10-02 06:53:40,493 INFO L130 BoogieDeclarations]: Found specification of procedure enable_irq [2019-10-02 06:53:40,493 INFO L130 BoogieDeclarations]: Found specification of procedure pci_bus_read_config_word [2019-10-02 06:53:40,493 INFO L130 BoogieDeclarations]: Found specification of procedure pci_bus_write_config_word [2019-10-02 06:53:40,493 INFO L130 BoogieDeclarations]: Found specification of procedure pci_bus_write_config_dword [2019-10-02 06:53:40,494 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_word [2019-10-02 06:53:40,494 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_word [2019-10-02 06:53:40,494 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_dword [2019-10-02 06:53:40,495 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2019-10-02 06:53:40,499 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2019-10-02 06:53:40,499 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2019-10-02 06:53:40,500 INFO L130 BoogieDeclarations]: Found specification of procedure pci_request_regions [2019-10-02 06:53:40,500 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2019-10-02 06:53:40,500 INFO L130 BoogieDeclarations]: Found specification of procedure __pci_register_driver [2019-10-02 06:53:40,503 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unregister_driver [2019-10-02 06:53:40,503 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2019-10-02 06:53:40,504 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_drvdata [2019-10-02 06:53:40,504 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2019-10-02 06:53:40,504 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2019-10-02 06:53:40,504 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2019-10-02 06:53:40,504 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2019-10-02 06:53:40,504 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev_13 [2019-10-02 06:53:40,504 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev_15 [2019-10-02 06:53:40,504 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_schedule [2019-10-02 06:53:40,504 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2019-10-02 06:53:40,505 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2019-10-02 06:53:40,505 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_wake_queue [2019-10-02 06:53:40,505 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2019-10-02 06:53:40,505 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2019-10-02 06:53:40,505 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2019-10-02 06:53:40,505 INFO L130 BoogieDeclarations]: Found specification of procedure __dev_kfree_skb_irq [2019-10-02 06:53:40,505 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_irq [2019-10-02 06:53:40,505 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_netif_rx_19 [2019-10-02 06:53:40,506 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2019-10-02 06:53:40,506 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2019-10-02 06:53:40,506 INFO L130 BoogieDeclarations]: Found specification of procedure register_netdev [2019-10-02 06:53:40,506 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_netdev_12 [2019-10-02 06:53:40,506 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2019-10-02 06:53:40,506 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev_14 [2019-10-02 06:53:40,507 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_err [2019-10-02 06:53:40,507 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_info [2019-10-02 06:53:40,507 INFO L130 BoogieDeclarations]: Found specification of procedure eth_type_trans [2019-10-02 06:53:40,507 INFO L130 BoogieDeclarations]: Found specification of procedure eth_mac_addr [2019-10-02 06:53:40,507 INFO L130 BoogieDeclarations]: Found specification of procedure eth_change_mtu [2019-10-02 06:53:40,507 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2019-10-02 06:53:40,507 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_etherdev_mqs [2019-10-02 06:53:40,507 INFO L130 BoogieDeclarations]: Found specification of procedure xircom_probe [2019-10-02 06:53:40,508 INFO L130 BoogieDeclarations]: Found specification of procedure xircom_remove [2019-10-02 06:53:40,508 INFO L130 BoogieDeclarations]: Found specification of procedure xircom_interrupt [2019-10-02 06:53:40,508 INFO L130 BoogieDeclarations]: Found specification of procedure xircom_start_xmit [2019-10-02 06:53:40,508 INFO L130 BoogieDeclarations]: Found specification of procedure xircom_open [2019-10-02 06:53:40,508 INFO L130 BoogieDeclarations]: Found specification of procedure xircom_close [2019-10-02 06:53:40,508 INFO L130 BoogieDeclarations]: Found specification of procedure xircom_up [2019-10-02 06:53:40,508 INFO L130 BoogieDeclarations]: Found specification of procedure xircom_poll_controller [2019-10-02 06:53:40,508 INFO L130 BoogieDeclarations]: Found specification of procedure investigate_read_descriptor [2019-10-02 06:53:40,508 INFO L130 BoogieDeclarations]: Found specification of procedure investigate_write_descriptor [2019-10-02 06:53:40,509 INFO L130 BoogieDeclarations]: Found specification of procedure read_mac_address [2019-10-02 06:53:40,509 INFO L130 BoogieDeclarations]: Found specification of procedure transceiver_voodoo [2019-10-02 06:53:40,509 INFO L130 BoogieDeclarations]: Found specification of procedure initialize_card [2019-10-02 06:53:40,509 INFO L130 BoogieDeclarations]: Found specification of procedure trigger_transmit [2019-10-02 06:53:40,509 INFO L130 BoogieDeclarations]: Found specification of procedure trigger_receive [2019-10-02 06:53:40,509 INFO L130 BoogieDeclarations]: Found specification of procedure setup_descriptors [2019-10-02 06:53:40,509 INFO L130 BoogieDeclarations]: Found specification of procedure remove_descriptors [2019-10-02 06:53:40,509 INFO L130 BoogieDeclarations]: Found specification of procedure link_status_changed [2019-10-02 06:53:40,509 INFO L130 BoogieDeclarations]: Found specification of procedure activate_receiver [2019-10-02 06:53:40,510 INFO L130 BoogieDeclarations]: Found specification of procedure deactivate_receiver [2019-10-02 06:53:40,510 INFO L130 BoogieDeclarations]: Found specification of procedure activate_transmitter [2019-10-02 06:53:40,510 INFO L130 BoogieDeclarations]: Found specification of procedure deactivate_transmitter [2019-10-02 06:53:40,510 INFO L130 BoogieDeclarations]: Found specification of procedure enable_transmit_interrupt [2019-10-02 06:53:40,510 INFO L130 BoogieDeclarations]: Found specification of procedure enable_receive_interrupt [2019-10-02 06:53:40,510 INFO L130 BoogieDeclarations]: Found specification of procedure enable_link_interrupt [2019-10-02 06:53:40,510 INFO L130 BoogieDeclarations]: Found specification of procedure disable_all_interrupts [2019-10-02 06:53:40,510 INFO L130 BoogieDeclarations]: Found specification of procedure link_status [2019-10-02 06:53:40,511 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-02 06:53:40,511 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-10-02 06:53:40,511 INFO L130 BoogieDeclarations]: Found specification of procedure transmit_active [2019-10-02 06:53:40,511 INFO L130 BoogieDeclarations]: Found specification of procedure receive_active [2019-10-02 06:53:40,511 INFO L130 BoogieDeclarations]: Found specification of procedure enable_common_interrupts [2019-10-02 06:53:40,511 INFO L130 BoogieDeclarations]: Found specification of procedure enable_promisc [2019-10-02 06:53:40,511 INFO L130 BoogieDeclarations]: Found specification of procedure xircom_ops_init [2019-10-02 06:53:40,511 INFO L130 BoogieDeclarations]: Found specification of procedure xircom_ops_exit [2019-10-02 06:53:40,512 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ndo_init_2 [2019-10-02 06:53:40,512 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ndo_uninit_2 [2019-10-02 06:53:40,512 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-10-02 06:53:40,512 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-10-02 06:53:40,512 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-02 06:53:40,512 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_init [2019-10-02 06:53:40,512 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_add [2019-10-02 06:53:40,512 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_remove [2019-10-02 06:53:40,513 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_contains [2019-10-02 06:53:40,513 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_is_empty [2019-10-02 06:53:40,513 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2019-10-02 06:53:40,513 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2019-10-02 06:53:40,513 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2019-10-02 06:53:40,513 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2019-10-02 06:53:40,513 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_netdev_alloc_skb [2019-10-02 06:53:40,513 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_alloc_skb [2019-10-02 06:53:40,514 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_current [2019-10-02 06:53:40,514 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-10-02 06:53:40,514 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ushort [2019-10-02 06:53:40,514 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2019-10-02 06:53:40,514 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-02 06:53:40,514 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-10-02 06:53:40,514 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-02 06:53:40,514 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-02 06:53:40,515 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-10-02 06:53:40,515 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-02 06:53:40,515 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-10-02 06:53:40,515 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-10-02 06:53:40,515 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2019-10-02 06:53:40,515 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2019-10-02 06:53:41,448 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2019-10-02 06:53:51,040 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-02 06:53:51,040 INFO L283 CfgBuilder]: Removed 4 assume(true) statements. [2019-10-02 06:53:51,042 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.10 06:53:51 BoogieIcfgContainer [2019-10-02 06:53:51,042 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-02 06:53:51,044 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-02 06:53:51,044 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-02 06:53:51,047 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-02 06:53:51,047 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.10 06:53:37" (1/3) ... [2019-10-02 06:53:51,048 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1de5615 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.10 06:53:51, skipping insertion in model container [2019-10-02 06:53:51,048 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 06:53:40" (2/3) ... [2019-10-02 06:53:51,049 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1de5615 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.10 06:53:51, skipping insertion in model container [2019-10-02 06:53:51,049 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.10 06:53:51" (3/3) ... [2019-10-02 06:53:51,050 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 [2019-10-02 06:53:51,060 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-02 06:53:51,071 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-02 06:53:51,087 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-02 06:53:51,130 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2019-10-02 06:53:51,130 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-10-02 06:53:51,130 INFO L378 AbstractCegarLoop]: Hoare is true [2019-10-02 06:53:51,131 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-02 06:53:51,131 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-02 06:53:51,131 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-02 06:53:51,131 INFO L382 AbstractCegarLoop]: Difference is false [2019-10-02 06:53:51,131 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-02 06:53:51,131 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-02 06:53:51,188 INFO L276 IsEmpty]: Start isEmpty. Operand 1172 states. [2019-10-02 06:53:51,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2019-10-02 06:53:51,210 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 06:53:51,212 INFO L411 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] [2019-10-02 06:53:51,215 INFO L418 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 06:53:51,221 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 06:53:51,222 INFO L82 PathProgramCache]: Analyzing trace with hash 2145756215, now seen corresponding path program 1 times [2019-10-02 06:53:51,224 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 06:53:51,224 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 06:53:51,323 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 06:53:51,323 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 06:53:51,323 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 06:53:51,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 06:53:51,792 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2019-10-02 06:53:51,795 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 06:53:51,795 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-02 06:53:51,799 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-02 06:53:51,812 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-02 06:53:51,813 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 06:53:51,815 INFO L87 Difference]: Start difference. First operand 1172 states. Second operand 3 states. [2019-10-02 06:53:52,130 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 06:53:52,131 INFO L93 Difference]: Finished difference Result 3369 states and 4351 transitions. [2019-10-02 06:53:52,131 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-02 06:53:52,132 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 56 [2019-10-02 06:53:52,133 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 06:53:52,174 INFO L225 Difference]: With dead ends: 3369 [2019-10-02 06:53:52,174 INFO L226 Difference]: Without dead ends: 2210 [2019-10-02 06:53:52,188 INFO L640 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 [2019-10-02 06:53:52,215 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2210 states. [2019-10-02 06:53:52,440 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2210 to 2210. [2019-10-02 06:53:52,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2210 states. [2019-10-02 06:53:52,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2210 states to 2210 states and 2803 transitions. [2019-10-02 06:53:52,460 INFO L78 Accepts]: Start accepts. Automaton has 2210 states and 2803 transitions. Word has length 56 [2019-10-02 06:53:52,462 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 06:53:52,462 INFO L475 AbstractCegarLoop]: Abstraction has 2210 states and 2803 transitions. [2019-10-02 06:53:52,462 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-02 06:53:52,462 INFO L276 IsEmpty]: Start isEmpty. Operand 2210 states and 2803 transitions. [2019-10-02 06:53:52,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2019-10-02 06:53:52,470 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 06:53:52,470 INFO L411 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] [2019-10-02 06:53:52,471 INFO L418 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 06:53:52,471 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 06:53:52,471 INFO L82 PathProgramCache]: Analyzing trace with hash -863396753, now seen corresponding path program 1 times [2019-10-02 06:53:52,471 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 06:53:52,472 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 06:53:52,637 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 06:53:52,637 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 06:53:52,637 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 06:53:52,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 06:53:52,873 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2019-10-02 06:53:52,874 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 06:53:52,874 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-02 06:53:52,876 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-02 06:53:52,876 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-02 06:53:52,876 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-02 06:53:52,877 INFO L87 Difference]: Start difference. First operand 2210 states and 2803 transitions. Second operand 6 states. [2019-10-02 06:53:54,595 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 06:53:54,596 INFO L93 Difference]: Finished difference Result 6595 states and 8441 transitions. [2019-10-02 06:53:54,596 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-02 06:53:54,596 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 61 [2019-10-02 06:53:54,597 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 06:53:54,637 INFO L225 Difference]: With dead ends: 6595 [2019-10-02 06:53:54,637 INFO L226 Difference]: Without dead ends: 4389 [2019-10-02 06:53:54,649 INFO L640 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 [2019-10-02 06:53:54,657 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4389 states. [2019-10-02 06:53:54,861 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4389 to 4389. [2019-10-02 06:53:54,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4389 states. [2019-10-02 06:53:54,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4389 states to 4389 states and 5606 transitions. [2019-10-02 06:53:54,895 INFO L78 Accepts]: Start accepts. Automaton has 4389 states and 5606 transitions. Word has length 61 [2019-10-02 06:53:54,895 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 06:53:54,896 INFO L475 AbstractCegarLoop]: Abstraction has 4389 states and 5606 transitions. [2019-10-02 06:53:54,896 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-02 06:53:54,896 INFO L276 IsEmpty]: Start isEmpty. Operand 4389 states and 5606 transitions. [2019-10-02 06:53:54,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2019-10-02 06:53:54,916 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 06:53:54,917 INFO L411 BasicCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 06:53:54,917 INFO L418 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 06:53:54,917 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 06:53:54,917 INFO L82 PathProgramCache]: Analyzing trace with hash 460194735, now seen corresponding path program 1 times [2019-10-02 06:53:54,917 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 06:53:54,918 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 06:53:54,928 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 06:53:54,928 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 06:53:54,928 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 06:53:54,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 06:53:55,181 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2019-10-02 06:53:55,182 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 06:53:55,182 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-02 06:53:55,183 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-02 06:53:55,184 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-02 06:53:55,184 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-02 06:53:55,184 INFO L87 Difference]: Start difference. First operand 4389 states and 5606 transitions. Second operand 6 states. [2019-10-02 06:53:58,373 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 06:53:58,374 INFO L93 Difference]: Finished difference Result 13151 states and 16892 transitions. [2019-10-02 06:53:58,374 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-10-02 06:53:58,374 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 175 [2019-10-02 06:53:58,375 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 06:53:58,441 INFO L225 Difference]: With dead ends: 13151 [2019-10-02 06:53:58,442 INFO L226 Difference]: Without dead ends: 8782 [2019-10-02 06:53:58,461 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2019-10-02 06:53:58,473 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8782 states. [2019-10-02 06:53:58,883 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8782 to 8763. [2019-10-02 06:53:58,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8763 states. [2019-10-02 06:53:58,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8763 states to 8763 states and 11215 transitions. [2019-10-02 06:53:58,936 INFO L78 Accepts]: Start accepts. Automaton has 8763 states and 11215 transitions. Word has length 175 [2019-10-02 06:53:58,939 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 06:53:58,939 INFO L475 AbstractCegarLoop]: Abstraction has 8763 states and 11215 transitions. [2019-10-02 06:53:58,939 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-02 06:53:58,940 INFO L276 IsEmpty]: Start isEmpty. Operand 8763 states and 11215 transitions. [2019-10-02 06:53:58,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2019-10-02 06:53:58,960 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 06:53:58,961 INFO L411 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] [2019-10-02 06:53:58,961 INFO L418 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 06:53:58,961 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 06:53:58,961 INFO L82 PathProgramCache]: Analyzing trace with hash -1658644154, now seen corresponding path program 1 times [2019-10-02 06:53:58,961 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 06:53:58,962 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 06:53:58,971 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 06:53:58,971 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 06:53:58,971 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 06:53:59,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 06:53:59,239 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2019-10-02 06:53:59,239 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 06:53:59,240 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-02 06:53:59,241 INFO L454 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-02 06:53:59,241 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-02 06:53:59,242 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-10-02 06:53:59,242 INFO L87 Difference]: Start difference. First operand 8763 states and 11215 transitions. Second operand 7 states. [2019-10-02 06:54:24,734 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 06:54:24,737 INFO L93 Difference]: Finished difference Result 27752 states and 35656 transitions. [2019-10-02 06:54:24,744 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2019-10-02 06:54:24,744 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 174 [2019-10-02 06:54:24,748 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 06:54:24,864 INFO L225 Difference]: With dead ends: 27752 [2019-10-02 06:54:24,864 INFO L226 Difference]: Without dead ends: 19009 [2019-10-02 06:54:24,896 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=50, Invalid=132, Unknown=0, NotChecked=0, Total=182 [2019-10-02 06:54:24,917 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19009 states. [2019-10-02 06:54:25,590 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19009 to 18575. [2019-10-02 06:54:25,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18575 states. [2019-10-02 06:54:25,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18575 states to 18575 states and 23649 transitions. [2019-10-02 06:54:25,661 INFO L78 Accepts]: Start accepts. Automaton has 18575 states and 23649 transitions. Word has length 174 [2019-10-02 06:54:25,662 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 06:54:25,662 INFO L475 AbstractCegarLoop]: Abstraction has 18575 states and 23649 transitions. [2019-10-02 06:54:25,662 INFO L476 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-02 06:54:25,662 INFO L276 IsEmpty]: Start isEmpty. Operand 18575 states and 23649 transitions. [2019-10-02 06:54:25,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2019-10-02 06:54:25,696 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 06:54:25,696 INFO L411 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] [2019-10-02 06:54:25,696 INFO L418 AbstractCegarLoop]: === Iteration 5 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 06:54:25,697 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 06:54:25,697 INFO L82 PathProgramCache]: Analyzing trace with hash 259730760, now seen corresponding path program 1 times [2019-10-02 06:54:25,697 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 06:54:25,697 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 06:54:25,708 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 06:54:25,709 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 06:54:25,709 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 06:54:25,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 06:54:25,884 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2019-10-02 06:54:25,884 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 06:54:25,884 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-02 06:54:25,885 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-02 06:54:25,885 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-02 06:54:25,885 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-02 06:54:25,885 INFO L87 Difference]: Start difference. First operand 18575 states and 23649 transitions. Second operand 6 states. [2019-10-02 06:54:30,529 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 06:54:30,529 INFO L93 Difference]: Finished difference Result 55717 states and 71127 transitions. [2019-10-02 06:54:30,530 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-10-02 06:54:30,530 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 177 [2019-10-02 06:54:30,531 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 06:54:30,745 INFO L225 Difference]: With dead ends: 55717 [2019-10-02 06:54:30,745 INFO L226 Difference]: Without dead ends: 37162 [2019-10-02 06:54:30,853 INFO L640 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 [2019-10-02 06:54:30,915 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37162 states. [2019-10-02 06:54:33,101 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37162 to 37127. [2019-10-02 06:54:33,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37127 states. [2019-10-02 06:54:33,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37127 states to 37127 states and 47271 transitions. [2019-10-02 06:54:33,273 INFO L78 Accepts]: Start accepts. Automaton has 37127 states and 47271 transitions. Word has length 177 [2019-10-02 06:54:33,275 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 06:54:33,275 INFO L475 AbstractCegarLoop]: Abstraction has 37127 states and 47271 transitions. [2019-10-02 06:54:33,275 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-02 06:54:33,275 INFO L276 IsEmpty]: Start isEmpty. Operand 37127 states and 47271 transitions. [2019-10-02 06:54:33,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2019-10-02 06:54:33,309 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 06:54:33,310 INFO L411 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] [2019-10-02 06:54:33,310 INFO L418 AbstractCegarLoop]: === Iteration 6 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 06:54:33,310 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 06:54:33,311 INFO L82 PathProgramCache]: Analyzing trace with hash 1403340287, now seen corresponding path program 1 times [2019-10-02 06:54:33,311 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 06:54:33,311 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 06:54:33,325 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 06:54:33,325 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 06:54:33,325 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 06:54:33,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 06:54:33,594 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2019-10-02 06:54:33,594 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 06:54:33,595 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-02 06:54:33,595 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-02 06:54:33,596 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-02 06:54:33,596 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-02 06:54:33,596 INFO L87 Difference]: Start difference. First operand 37127 states and 47271 transitions. Second operand 6 states. [2019-10-02 06:54:38,743 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 06:54:38,743 INFO L93 Difference]: Finished difference Result 111397 states and 142151 transitions. [2019-10-02 06:54:38,743 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-10-02 06:54:38,743 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 176 [2019-10-02 06:54:38,744 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 06:54:39,109 INFO L225 Difference]: With dead ends: 111397 [2019-10-02 06:54:39,109 INFO L226 Difference]: Without dead ends: 74254 [2019-10-02 06:54:39,210 INFO L640 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 [2019-10-02 06:54:39,297 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74254 states. [2019-10-02 06:54:41,794 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74254 to 74187. [2019-10-02 06:54:41,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 74187 states. [2019-10-02 06:54:41,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74187 states to 74187 states and 94395 transitions. [2019-10-02 06:54:41,975 INFO L78 Accepts]: Start accepts. Automaton has 74187 states and 94395 transitions. Word has length 176 [2019-10-02 06:54:41,976 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 06:54:41,976 INFO L475 AbstractCegarLoop]: Abstraction has 74187 states and 94395 transitions. [2019-10-02 06:54:41,976 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-02 06:54:41,976 INFO L276 IsEmpty]: Start isEmpty. Operand 74187 states and 94395 transitions. [2019-10-02 06:54:42,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2019-10-02 06:54:42,000 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 06:54:42,001 INFO L411 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 06:54:42,001 INFO L418 AbstractCegarLoop]: === Iteration 7 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 06:54:42,001 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 06:54:42,002 INFO L82 PathProgramCache]: Analyzing trace with hash 35159056, now seen corresponding path program 1 times [2019-10-02 06:54:42,002 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 06:54:42,002 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 06:54:42,010 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 06:54:42,010 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 06:54:42,010 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 06:54:42,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 06:54:42,219 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2019-10-02 06:54:42,219 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-10-02 06:54:42,219 INFO L224 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-10-02 06:54:42,456 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 06:54:42,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 06:54:42,772 INFO L256 TraceCheckSpWp]: Trace formula consists of 2205 conjuncts, 2 conjunts are in the unsatisfiable core [2019-10-02 06:54:42,788 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-02 06:54:42,874 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2019-10-02 06:54:42,882 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-10-02 06:54:42,891 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 10 [2019-10-02 06:54:42,895 INFO L454 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-10-02 06:54:42,895 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-10-02 06:54:42,895 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2019-10-02 06:54:42,895 INFO L87 Difference]: Start difference. First operand 74187 states and 94395 transitions. Second operand 10 states. [2019-10-02 06:55:20,025 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 06:55:20,025 INFO L93 Difference]: Finished difference Result 184840 states and 237613 transitions. [2019-10-02 06:55:20,026 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2019-10-02 06:55:20,026 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 189 [2019-10-02 06:55:20,026 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 06:55:20,614 INFO L225 Difference]: With dead ends: 184840 [2019-10-02 06:55:20,614 INFO L226 Difference]: Without dead ends: 110637 [2019-10-02 06:55:20,901 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 226 GetRequests, 202 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 108 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=125, Invalid=525, Unknown=0, NotChecked=0, Total=650 [2019-10-02 06:55:21,027 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110637 states. [2019-10-02 06:55:27,879 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110637 to 108955. [2019-10-02 06:55:27,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 108955 states. [2019-10-02 06:55:28,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108955 states to 108955 states and 138863 transitions. [2019-10-02 06:55:28,142 INFO L78 Accepts]: Start accepts. Automaton has 108955 states and 138863 transitions. Word has length 189 [2019-10-02 06:55:28,142 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 06:55:28,142 INFO L475 AbstractCegarLoop]: Abstraction has 108955 states and 138863 transitions. [2019-10-02 06:55:28,142 INFO L476 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-10-02 06:55:28,142 INFO L276 IsEmpty]: Start isEmpty. Operand 108955 states and 138863 transitions. [2019-10-02 06:55:28,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2019-10-02 06:55:28,188 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 06:55:28,188 INFO L411 BasicCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 06:55:28,189 INFO L418 AbstractCegarLoop]: === Iteration 8 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 06:55:28,189 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 06:55:28,189 INFO L82 PathProgramCache]: Analyzing trace with hash -150418386, now seen corresponding path program 1 times [2019-10-02 06:55:28,189 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 06:55:28,189 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 06:55:28,197 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 06:55:28,197 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 06:55:28,197 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 06:55:28,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 06:55:28,323 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2019-10-02 06:55:28,323 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 06:55:28,324 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-02 06:55:28,324 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-02 06:55:28,325 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-02 06:55:28,325 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 06:55:28,325 INFO L87 Difference]: Start difference. First operand 108955 states and 138863 transitions. Second operand 3 states. [2019-10-02 06:55:34,320 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 06:55:34,320 INFO L93 Difference]: Finished difference Result 280693 states and 354527 transitions. [2019-10-02 06:55:34,320 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-02 06:55:34,321 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 200 [2019-10-02 06:55:34,321 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 06:55:35,032 INFO L225 Difference]: With dead ends: 280693 [2019-10-02 06:55:35,032 INFO L226 Difference]: Without dead ends: 171758 [2019-10-02 06:55:35,295 INFO L640 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 [2019-10-02 06:55:35,472 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 171758 states. [2019-10-02 06:55:39,816 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 171758 to 169339. [2019-10-02 06:55:39,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 169339 states. [2019-10-02 06:55:40,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169339 states to 169339 states and 212981 transitions. [2019-10-02 06:55:40,208 INFO L78 Accepts]: Start accepts. Automaton has 169339 states and 212981 transitions. Word has length 200 [2019-10-02 06:55:40,208 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 06:55:40,208 INFO L475 AbstractCegarLoop]: Abstraction has 169339 states and 212981 transitions. [2019-10-02 06:55:40,208 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-02 06:55:40,208 INFO L276 IsEmpty]: Start isEmpty. Operand 169339 states and 212981 transitions. [2019-10-02 06:55:40,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2019-10-02 06:55:40,218 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 06:55:40,219 INFO L411 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 06:55:40,219 INFO L418 AbstractCegarLoop]: === Iteration 9 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 06:55:40,219 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 06:55:40,219 INFO L82 PathProgramCache]: Analyzing trace with hash 299786244, now seen corresponding path program 1 times [2019-10-02 06:55:40,219 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 06:55:40,220 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 06:55:40,227 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 06:55:40,227 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 06:55:40,227 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 06:55:40,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 06:55:40,479 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 6 proven. 8 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2019-10-02 06:55:40,480 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-10-02 06:55:40,480 INFO L224 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-10-02 06:55:40,728 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 06:55:41,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 06:55:41,036 INFO L256 TraceCheckSpWp]: Trace formula consists of 2247 conjuncts, 9 conjunts are in the unsatisfiable core [2019-10-02 06:55:41,054 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-02 06:55:41,312 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 11 proven. 4 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [MP z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (3)] Exception during sending of exit command (exit): Stream closed [2019-10-02 06:55:41,320 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-10-02 06:55:41,321 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 10] total 19 [2019-10-02 06:55:41,322 INFO L454 AbstractCegarLoop]: Interpolant automaton has 19 states [2019-10-02 06:55:41,322 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2019-10-02 06:55:41,323 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=302, Unknown=0, NotChecked=0, Total=342 [2019-10-02 06:55:41,323 INFO L87 Difference]: Start difference. First operand 169339 states and 212981 transitions. Second operand 19 states. [2019-10-02 06:57:27,453 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 06:57:27,453 INFO L93 Difference]: Finished difference Result 483249 states and 609125 transitions. [2019-10-02 06:57:27,453 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2019-10-02 06:57:27,453 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 198 [2019-10-02 06:57:27,454 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 06:57:29,399 INFO L225 Difference]: With dead ends: 483249 [2019-10-02 06:57:29,400 INFO L226 Difference]: Without dead ends: 310968 [2019-10-02 06:57:29,643 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 276 GetRequests, 200 SyntacticMatches, 0 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1717 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=851, Invalid=5155, Unknown=0, NotChecked=0, Total=6006 [2019-10-02 06:57:29,871 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 310968 states. [2019-10-02 06:57:43,883 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 310968 to 281503. [2019-10-02 06:57:43,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 281503 states. [2019-10-02 06:57:51,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281503 states to 281503 states and 354241 transitions. [2019-10-02 06:57:51,338 INFO L78 Accepts]: Start accepts. Automaton has 281503 states and 354241 transitions. Word has length 198 [2019-10-02 06:57:51,339 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 06:57:51,339 INFO L475 AbstractCegarLoop]: Abstraction has 281503 states and 354241 transitions. [2019-10-02 06:57:51,339 INFO L476 AbstractCegarLoop]: Interpolant automaton has 19 states. [2019-10-02 06:57:51,339 INFO L276 IsEmpty]: Start isEmpty. Operand 281503 states and 354241 transitions. [2019-10-02 06:57:51,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2019-10-02 06:57:51,355 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 06:57:51,356 INFO L411 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 06:57:51,356 INFO L418 AbstractCegarLoop]: === Iteration 10 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 06:57:51,356 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 06:57:51,356 INFO L82 PathProgramCache]: Analyzing trace with hash 1170864756, now seen corresponding path program 1 times [2019-10-02 06:57:51,357 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 06:57:51,357 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 06:57:51,375 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 06:57:51,375 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 06:57:51,376 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 06:57:51,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 06:57:51,650 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 6 proven. 8 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2019-10-02 06:57:51,651 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-10-02 06:57:51,651 INFO L224 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-10-02 06:57:51,882 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 06:57:52,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 06:57:52,195 INFO L256 TraceCheckSpWp]: Trace formula consists of 2249 conjuncts, 9 conjunts are in the unsatisfiable core [2019-10-02 06:57:52,202 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-02 06:57:52,384 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 11 proven. 4 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2019-10-02 06:57:52,391 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-10-02 06:57:52,391 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 10] total 19 [2019-10-02 06:57:52,391 INFO L454 AbstractCegarLoop]: Interpolant automaton has 19 states [2019-10-02 06:57:52,392 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2019-10-02 06:57:52,392 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=302, Unknown=0, NotChecked=0, Total=342 [2019-10-02 06:57:52,392 INFO L87 Difference]: Start difference. First operand 281503 states and 354241 transitions. Second operand 19 states. [2019-10-02 07:00:01,291 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 07:00:01,291 INFO L93 Difference]: Finished difference Result 834411 states and 1051645 transitions. [2019-10-02 07:00:01,292 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2019-10-02 07:00:01,292 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 199 [2019-10-02 07:00:01,293 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 07:00:03,559 INFO L225 Difference]: With dead ends: 834411 [2019-10-02 07:00:03,559 INFO L226 Difference]: Without dead ends: 546070 [2019-10-02 07:00:03,962 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 278 GetRequests, 202 SyntacticMatches, 0 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1718 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=851, Invalid=5155, Unknown=0, NotChecked=0, Total=6006 [2019-10-02 07:00:04,313 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 546070 states. [2019-10-02 07:00:24,893 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 546070 to 529725. [2019-10-02 07:00:24,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 529725 states. [2019-10-02 07:00:34,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 529725 states to 529725 states and 666773 transitions. [2019-10-02 07:00:34,739 INFO L78 Accepts]: Start accepts. Automaton has 529725 states and 666773 transitions. Word has length 199 [2019-10-02 07:00:34,739 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 07:00:34,739 INFO L475 AbstractCegarLoop]: Abstraction has 529725 states and 666773 transitions. [2019-10-02 07:00:34,739 INFO L476 AbstractCegarLoop]: Interpolant automaton has 19 states. [2019-10-02 07:00:34,739 INFO L276 IsEmpty]: Start isEmpty. Operand 529725 states and 666773 transitions. [2019-10-02 07:00:34,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2019-10-02 07:00:34,754 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 07:00:34,754 INFO L411 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 07:00:34,755 INFO L418 AbstractCegarLoop]: === Iteration 11 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 07:00:34,755 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 07:00:34,755 INFO L82 PathProgramCache]: Analyzing trace with hash -513644597, now seen corresponding path program 1 times [2019-10-02 07:00:34,755 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 07:00:34,755 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 07:00:34,761 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 07:00:34,761 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 07:00:34,762 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 07:00:34,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 07:00:35,005 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 6 proven. 8 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2019-10-02 07:00:35,005 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-10-02 07:00:35,005 INFO L224 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-10-02 07:00:35,232 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 07:00:35,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 07:00:35,550 INFO L256 TraceCheckSpWp]: Trace formula consists of 2251 conjuncts, 9 conjunts are in the unsatisfiable core [2019-10-02 07:00:35,555 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-02 07:00:35,735 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 11 proven. 4 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2019-10-02 07:00:35,741 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-10-02 07:00:35,741 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 10] total 19 [2019-10-02 07:00:35,742 INFO L454 AbstractCegarLoop]: Interpolant automaton has 19 states [2019-10-02 07:00:35,742 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2019-10-02 07:00:35,743 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=302, Unknown=0, NotChecked=0, Total=342 [2019-10-02 07:00:35,743 INFO L87 Difference]: Start difference. First operand 529725 states and 666773 transitions. Second operand 19 states. [2019-10-02 07:02:19,195 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 07:02:19,195 INFO L93 Difference]: Finished difference Result 1481959 states and 1866471 transitions. [2019-10-02 07:02:19,196 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2019-10-02 07:02:19,196 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 200 [2019-10-02 07:02:19,196 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 07:02:23,515 INFO L225 Difference]: With dead ends: 1481959 [2019-10-02 07:02:23,515 INFO L226 Difference]: Without dead ends: 936706 [2019-10-02 07:02:24,328 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 279 GetRequests, 203 SyntacticMatches, 0 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1724 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=851, Invalid=5155, Unknown=0, NotChecked=0, Total=6006 [2019-10-02 07:02:25,055 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 936706 states. [2019-10-02 07:03:07,948 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 936706 to 926129. [2019-10-02 07:03:07,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 926129 states. [2019-10-02 07:03:28,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 926129 states to 926129 states and 1165029 transitions. [2019-10-02 07:03:28,305 INFO L78 Accepts]: Start accepts. Automaton has 926129 states and 1165029 transitions. Word has length 200 [2019-10-02 07:03:28,305 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 07:03:28,305 INFO L475 AbstractCegarLoop]: Abstraction has 926129 states and 1165029 transitions. [2019-10-02 07:03:28,305 INFO L476 AbstractCegarLoop]: Interpolant automaton has 19 states. [2019-10-02 07:03:28,305 INFO L276 IsEmpty]: Start isEmpty. Operand 926129 states and 1165029 transitions. [2019-10-02 07:03:28,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2019-10-02 07:03:28,319 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 07:03:28,320 INFO L411 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 07:03:28,320 INFO L418 AbstractCegarLoop]: === Iteration 12 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 07:03:28,320 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 07:03:28,320 INFO L82 PathProgramCache]: Analyzing trace with hash -604006228, now seen corresponding path program 2 times [2019-10-02 07:03:28,321 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 07:03:28,321 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 07:03:28,327 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 07:03:28,327 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 07:03:28,328 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 07:03:28,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 07:03:28,577 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 10 proven. 19 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2019-10-02 07:03:28,578 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-10-02 07:03:28,578 INFO L224 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-10-02 07:03:28,833 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2019-10-02 07:03:29,210 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2019-10-02 07:03:29,211 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-10-02 07:03:29,219 INFO L256 TraceCheckSpWp]: Trace formula consists of 1636 conjuncts, 17 conjunts are in the unsatisfiable core [2019-10-02 07:03:29,230 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-02 07:03:29,333 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2019-10-02 07:03:29,352 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-10-02 07:03:29,352 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [12] total 15 [2019-10-02 07:03:29,355 INFO L454 AbstractCegarLoop]: Interpolant automaton has 15 states [2019-10-02 07:03:29,355 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2019-10-02 07:03:29,355 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=183, Unknown=0, NotChecked=0, Total=210 [2019-10-02 07:03:29,356 INFO L87 Difference]: Start difference. First operand 926129 states and 1165029 transitions. Second operand 15 states.