java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/ai/svcomp-Reach-32bit-Automizer_Default+AIv2_INT.epf -i ../../../trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--3com--3c589_cs.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-673a906-m [2019-10-03 02:08:51,002 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-03 02:08:51,004 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-03 02:08:51,023 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-03 02:08:51,023 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-03 02:08:51,025 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-03 02:08:51,026 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-03 02:08:51,028 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-03 02:08:51,030 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-03 02:08:51,031 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-03 02:08:51,032 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-03 02:08:51,033 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-03 02:08:51,033 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-03 02:08:51,034 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-03 02:08:51,035 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-03 02:08:51,037 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-03 02:08:51,038 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-03 02:08:51,039 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-03 02:08:51,041 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-03 02:08:51,043 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-03 02:08:51,045 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-03 02:08:51,046 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-03 02:08:51,048 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-03 02:08:51,049 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-03 02:08:51,051 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-03 02:08:51,052 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-03 02:08:51,052 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-03 02:08:51,053 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-03 02:08:51,054 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-03 02:08:51,055 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-03 02:08:51,055 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-03 02:08:51,056 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-03 02:08:51,056 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-03 02:08:51,057 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-03 02:08:51,058 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-03 02:08:51,059 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-03 02:08:51,059 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-03 02:08:51,060 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-03 02:08:51,060 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-03 02:08:51,061 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-03 02:08:51,062 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-03 02:08:51,062 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/svcomp-Reach-32bit-Automizer_Default+AIv2_INT.epf [2019-10-03 02:08:51,078 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-03 02:08:51,078 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-03 02:08:51,079 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-10-03 02:08:51,079 INFO L138 SettingsManager]: * Log level for plugins=info [2019-10-03 02:08:51,080 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-10-03 02:08:51,080 INFO L138 SettingsManager]: * User list type=DISABLED [2019-10-03 02:08:51,080 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-10-03 02:08:51,081 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-10-03 02:08:51,081 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-10-03 02:08:51,081 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-10-03 02:08:51,082 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-03 02:08:51,082 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-03 02:08:51,082 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-03 02:08:51,082 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-03 02:08:51,083 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-03 02:08:51,083 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-03 02:08:51,083 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-03 02:08:51,083 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-03 02:08:51,083 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-03 02:08:51,084 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-03 02:08:51,084 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-03 02:08:51,084 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-10-03 02:08:51,084 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-03 02:08:51,085 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-03 02:08:51,085 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-03 02:08:51,085 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-03 02:08:51,085 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-10-03 02:08:51,085 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-03 02:08:51,086 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-03 02:08:51,086 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-10-03 02:08:51,117 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-03 02:08:51,132 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-03 02:08:51,137 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-03 02:08:51,139 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-03 02:08:51,139 INFO L275 PluginConnector]: CDTParser initialized [2019-10-03 02:08:51,140 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--3com--3c589_cs.ko-entry_point.cil.out.i [2019-10-03 02:08:51,220 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a24e41d59/867521dde7ac41b4b973e3457e6bc0b7/FLAG1fdbf5dee [2019-10-03 02:08:52,074 INFO L306 CDTParser]: Found 1 translation units. [2019-10-03 02:08:52,075 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--3com--3c589_cs.ko-entry_point.cil.out.i [2019-10-03 02:08:52,124 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a24e41d59/867521dde7ac41b4b973e3457e6bc0b7/FLAG1fdbf5dee [2019-10-03 02:08:52,597 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a24e41d59/867521dde7ac41b4b973e3457e6bc0b7 [2019-10-03 02:08:52,609 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-03 02:08:52,610 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-03 02:08:52,611 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-03 02:08:52,611 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-03 02:08:52,615 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-03 02:08:52,616 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.10 02:08:52" (1/1) ... [2019-10-03 02:08:52,620 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@40ad5744 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:08:52, skipping insertion in model container [2019-10-03 02:08:52,620 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.10 02:08:52" (1/1) ... [2019-10-03 02:08:52,629 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-03 02:08:52,804 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-03 02:08:54,682 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-03 02:08:54,719 INFO L188 MainTranslator]: Completed pre-run [2019-10-03 02:08:55,147 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-03 02:08:55,559 INFO L192 MainTranslator]: Completed translation [2019-10-03 02:08:55,559 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:08:55 WrapperNode [2019-10-03 02:08:55,560 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-03 02:08:55,561 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-03 02:08:55,561 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-03 02:08:55,561 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-03 02:08:55,579 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:08:55" (1/1) ... [2019-10-03 02:08:55,580 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:08:55" (1/1) ... [2019-10-03 02:08:55,661 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:08:55" (1/1) ... [2019-10-03 02:08:55,665 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:08:55" (1/1) ... [2019-10-03 02:08:55,781 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:08:55" (1/1) ... [2019-10-03 02:08:55,800 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:08:55" (1/1) ... [2019-10-03 02:08:55,825 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:08:55" (1/1) ... [2019-10-03 02:08:55,849 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-03 02:08:55,849 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-03 02:08:55,850 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-03 02:08:55,850 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-03 02:08:55,851 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:08:55" (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 [2019-10-03 02:08:55,924 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-03 02:08:55,924 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-03 02:08:55,925 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2019-10-03 02:08:55,925 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2019-10-03 02:08:55,925 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2019-10-03 02:08:55,925 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2019-10-03 02:08:55,925 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-10-03 02:08:55,926 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-10-03 02:08:55,926 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2019-10-03 02:08:55,926 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2019-10-03 02:08:55,926 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2019-10-03 02:08:55,926 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ptr [2019-10-03 02:08:55,927 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2019-10-03 02:08:55,927 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2019-10-03 02:08:55,927 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2019-10-03 02:08:55,927 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_save_flags [2019-10-03 02:08:55,927 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_restore [2019-10-03 02:08:55,928 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_disable [2019-10-03 02:08:55,928 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_save [2019-10-03 02:08:55,931 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_irqs_disabled_flags [2019-10-03 02:08:55,931 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2019-10-03 02:08:55,932 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_5 [2019-10-03 02:08:55,932 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_9 [2019-10-03 02:08:55,932 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_12 [2019-10-03 02:08:55,932 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2019-10-03 02:08:55,932 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2019-10-03 02:08:55,932 INFO L138 BoogieDeclarations]: Found implementation of procedure outw [2019-10-03 02:08:55,932 INFO L138 BoogieDeclarations]: Found implementation of procedure inw [2019-10-03 02:08:55,933 INFO L138 BoogieDeclarations]: Found implementation of procedure inl [2019-10-03 02:08:55,933 INFO L138 BoogieDeclarations]: Found implementation of procedure outsl [2019-10-03 02:08:55,933 INFO L138 BoogieDeclarations]: Found implementation of procedure insl [2019-10-03 02:08:55,933 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2019-10-03 02:08:55,933 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2019-10-03 02:08:55,933 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2019-10-03 02:08:55,934 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2019-10-03 02:08:55,934 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2019-10-03 02:08:55,934 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2019-10-03 02:08:55,934 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2019-10-03 02:08:55,934 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2019-10-03 02:08:55,934 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2019-10-03 02:08:55,935 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_present [2019-10-03 02:08:55,935 INFO L138 BoogieDeclarations]: Found implementation of procedure tc589_probe [2019-10-03 02:08:55,935 INFO L138 BoogieDeclarations]: Found implementation of procedure tc589_detach [2019-10-03 02:08:55,935 INFO L138 BoogieDeclarations]: Found implementation of procedure tc589_config [2019-10-03 02:08:55,935 INFO L138 BoogieDeclarations]: Found implementation of procedure tc589_release [2019-10-03 02:08:55,935 INFO L138 BoogieDeclarations]: Found implementation of procedure tc589_suspend [2019-10-03 02:08:55,936 INFO L138 BoogieDeclarations]: Found implementation of procedure tc589_resume [2019-10-03 02:08:55,936 INFO L138 BoogieDeclarations]: Found implementation of procedure tc589_wait_for_completion [2019-10-03 02:08:55,936 INFO L138 BoogieDeclarations]: Found implementation of procedure read_eeprom [2019-10-03 02:08:55,936 INFO L138 BoogieDeclarations]: Found implementation of procedure tc589_set_xcvr [2019-10-03 02:08:55,936 INFO L138 BoogieDeclarations]: Found implementation of procedure dump_status [2019-10-03 02:08:55,936 INFO L138 BoogieDeclarations]: Found implementation of procedure tc589_reset [2019-10-03 02:08:55,937 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_drvinfo [2019-10-03 02:08:55,937 INFO L138 BoogieDeclarations]: Found implementation of procedure el3_config [2019-10-03 02:08:55,937 INFO L138 BoogieDeclarations]: Found implementation of procedure el3_open [2019-10-03 02:08:55,937 INFO L138 BoogieDeclarations]: Found implementation of procedure el3_tx_timeout [2019-10-03 02:08:55,937 INFO L138 BoogieDeclarations]: Found implementation of procedure pop_tx_status [2019-10-03 02:08:55,937 INFO L138 BoogieDeclarations]: Found implementation of procedure el3_start_xmit [2019-10-03 02:08:55,938 INFO L138 BoogieDeclarations]: Found implementation of procedure el3_interrupt [2019-10-03 02:08:55,938 INFO L138 BoogieDeclarations]: Found implementation of procedure media_check [2019-10-03 02:08:55,938 INFO L138 BoogieDeclarations]: Found implementation of procedure el3_get_stats [2019-10-03 02:08:55,939 INFO L138 BoogieDeclarations]: Found implementation of procedure update_stats [2019-10-03 02:08:55,939 INFO L138 BoogieDeclarations]: Found implementation of procedure el3_rx [2019-10-03 02:08:55,940 INFO L138 BoogieDeclarations]: Found implementation of procedure set_rx_mode [2019-10-03 02:08:55,940 INFO L138 BoogieDeclarations]: Found implementation of procedure set_multicast_list [2019-10-03 02:08:55,941 INFO L138 BoogieDeclarations]: Found implementation of procedure el3_close [2019-10-03 02:08:55,941 INFO L138 BoogieDeclarations]: Found implementation of procedure tc589_driver_init [2019-10-03 02:08:55,941 INFO L138 BoogieDeclarations]: Found implementation of procedure tc589_driver_exit [2019-10-03 02:08:55,942 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_timer_1 [2019-10-03 02:08:55,942 INFO L138 BoogieDeclarations]: Found implementation of procedure timer_init_1 [2019-10-03 02:08:55,942 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_net_device_ops_4 [2019-10-03 02:08:55,942 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_1 [2019-10-03 02:08:55,942 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_pcmcia_driver_2 [2019-10-03 02:08:55,943 INFO L138 BoogieDeclarations]: Found implementation of procedure choose_timer_1 [2019-10-03 02:08:55,943 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_1 [2019-10-03 02:08:55,943 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_1 [2019-10-03 02:08:55,944 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_1 [2019-10-03 02:08:55,944 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-03 02:08:55,945 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2019-10-03 02:08:55,946 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2019-10-03 02:08:55,946 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2019-10-03 02:08:55,946 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kmem_cache_alloc_20 [2019-10-03 02:08:55,946 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pskb_expand_head_26 [2019-10-03 02:08:55,947 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_clone_28 [2019-10-03 02:08:55,947 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_copy_30 [2019-10-03 02:08:55,948 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___netdev_alloc_skb_31 [2019-10-03 02:08:55,948 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___netdev_alloc_skb_32 [2019-10-03 02:08:55,949 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___netdev_alloc_skb_33 [2019-10-03 02:08:55,949 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pskb_expand_head_34 [2019-10-03 02:08:55,949 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pskb_expand_head_35 [2019-10-03 02:08:55,949 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_clone_36 [2019-10-03 02:08:55,949 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev_37 [2019-10-03 02:08:55,949 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev_38 [2019-10-03 02:08:55,950 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_netdev_39 [2019-10-03 02:08:55,950 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer_40 [2019-10-03 02:08:55,950 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync_41 [2019-10-03 02:08:55,950 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2019-10-03 02:08:55,950 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2019-10-03 02:08:55,951 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2019-10-03 02:08:55,951 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2019-10-03 02:08:55,951 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2019-10-03 02:08:55,951 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2019-10-03 02:08:55,951 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags_and_return_some_page [2019-10-03 02:08:55,952 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_nonatomic [2019-10-03 02:08:55,952 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2019-10-03 02:08:55,952 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2019-10-03 02:08:55,952 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock [2019-10-03 02:08:55,952 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_dev_dbg [2019-10-03 02:08:55,952 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_netdev_dbg [2019-10-03 02:08:55,952 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2019-10-03 02:08:55,952 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2019-10-03 02:08:55,953 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock [2019-10-03 02:08:55,953 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock [2019-10-03 02:08:55,953 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irqrestore [2019-10-03 02:08:55,953 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2019-10-03 02:08:55,953 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_etherdev_mqs [2019-10-03 02:08:55,954 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2019-10-03 02:08:55,954 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2019-10-03 02:08:55,955 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2019-10-03 02:08:55,955 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_change_mtu [2019-10-03 02:08:55,955 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_mac_addr [2019-10-03 02:08:55,956 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_type_trans [2019-10-03 02:08:55,956 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2019-10-03 02:08:55,957 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2019-10-03 02:08:55,957 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-10-03 02:08:55,957 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-10-03 02:08:55,957 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ndo_init_4 [2019-10-03 02:08:55,957 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ndo_uninit_4 [2019-10-03 02:08:55,957 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_some_page [2019-10-03 02:08:55,958 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2019-10-03 02:08:55,958 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_err [2019-10-03 02:08:55,958 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_info [2019-10-03 02:08:55,959 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_warn [2019-10-03 02:08:55,959 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_attach [2019-10-03 02:08:55,959 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2019-10-03 02:08:55,959 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_rx [2019-10-03 02:08:55,959 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_wake_queue [2019-10-03 02:08:55,959 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_dev_present [2019-10-03 02:08:55,960 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_disable_device [2019-10-03 02:08:55,967 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_enable_device [2019-10-03 02:08:55,968 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_get_tuple [2019-10-03 02:08:55,968 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_register_driver [2019-10-03 02:08:55,968 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_request_io [2019-10-03 02:08:55,975 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_request_irq [2019-10-03 02:08:55,975 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_unregister_driver [2019-10-03 02:08:55,975 INFO L138 BoogieDeclarations]: Found implementation of procedure register_netdev [2019-10-03 02:08:55,975 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2019-10-03 02:08:55,975 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2019-10-03 02:08:55,976 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_off [2019-10-03 02:08:55,976 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_on [2019-10-03 02:08:55,976 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2019-10-03 02:08:55,976 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-10-03 02:08:55,977 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-10-03 02:08:55,977 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-10-03 02:08:55,978 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-10-03 02:08:55,978 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-03 02:08:55,978 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-03 02:08:55,978 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2019-10-03 02:08:55,978 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2019-10-03 02:08:55,978 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2019-10-03 02:08:55,979 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2019-10-03 02:08:55,979 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-03 02:08:55,979 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2019-10-03 02:08:55,979 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_dev_dbg [2019-10-03 02:08:55,979 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_netdev_dbg [2019-10-03 02:08:55,979 INFO L130 BoogieDeclarations]: Found specification of procedure snprintf [2019-10-03 02:08:55,979 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2019-10-03 02:08:55,979 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2019-10-03 02:08:55,980 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-03 02:08:55,980 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-10-03 02:08:55,980 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-10-03 02:08:55,980 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-03 02:08:55,980 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-10-03 02:08:55,980 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-10-03 02:08:55,980 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-10-03 02:08:55,981 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-10-03 02:08:55,981 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-03 02:08:55,981 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-10-03 02:08:55,981 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-10-03 02:08:55,981 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2019-10-03 02:08:55,981 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2019-10-03 02:08:55,981 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-10-03 02:08:55,982 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2019-10-03 02:08:55,982 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ptr [2019-10-03 02:08:55,982 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2019-10-03 02:08:55,982 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2019-10-03 02:08:55,982 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2019-10-03 02:08:55,982 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_save_flags [2019-10-03 02:08:55,982 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-03 02:08:55,983 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_restore [2019-10-03 02:08:55,983 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_disable [2019-10-03 02:08:55,983 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_save [2019-10-03 02:08:55,983 INFO L130 BoogieDeclarations]: Found specification of procedure arch_irqs_disabled_flags [2019-10-03 02:08:55,983 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_on [2019-10-03 02:08:55,983 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_off [2019-10-03 02:08:55,983 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2019-10-03 02:08:55,984 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock [2019-10-03 02:08:55,984 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock [2019-10-03 02:08:55,984 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore [2019-10-03 02:08:55,984 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2019-10-03 02:08:55,984 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_5 [2019-10-03 02:08:55,984 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2019-10-03 02:08:55,984 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_9 [2019-10-03 02:08:55,984 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2019-10-03 02:08:55,985 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_12 [2019-10-03 02:08:55,985 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2019-10-03 02:08:55,986 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2019-10-03 02:08:55,987 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer_40 [2019-10-03 02:08:55,987 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2019-10-03 02:08:55,987 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2019-10-03 02:08:55,988 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync_41 [2019-10-03 02:08:55,988 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2019-10-03 02:08:55,988 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2019-10-03 02:08:55,988 INFO L130 BoogieDeclarations]: Found specification of procedure outw [2019-10-03 02:08:55,988 INFO L130 BoogieDeclarations]: Found specification of procedure inw [2019-10-03 02:08:55,988 INFO L130 BoogieDeclarations]: Found specification of procedure inl [2019-10-03 02:08:55,988 INFO L130 BoogieDeclarations]: Found specification of procedure outsl [2019-10-03 02:08:55,988 INFO L130 BoogieDeclarations]: Found specification of procedure insl [2019-10-03 02:08:55,989 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-10-03 02:08:55,989 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kmem_cache_alloc_20 [2019-10-03 02:08:55,989 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2019-10-03 02:08:55,989 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_timer_1 [2019-10-03 02:08:55,989 INFO L130 BoogieDeclarations]: Found specification of procedure timer_init_1 [2019-10-03 02:08:55,989 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_net_device_ops_4 [2019-10-03 02:08:55,989 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_1 [2019-10-03 02:08:55,989 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_pcmcia_driver_2 [2019-10-03 02:08:55,990 INFO L130 BoogieDeclarations]: Found specification of procedure choose_timer_1 [2019-10-03 02:08:55,990 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_1 [2019-10-03 02:08:55,990 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_1 [2019-10-03 02:08:55,990 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_1 [2019-10-03 02:08:55,990 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2019-10-03 02:08:55,990 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2019-10-03 02:08:55,990 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2019-10-03 02:08:55,990 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_clone_28 [2019-10-03 02:08:55,991 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_clone_36 [2019-10-03 02:08:55,991 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_copy_30 [2019-10-03 02:08:55,991 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pskb_expand_head_26 [2019-10-03 02:08:55,991 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pskb_expand_head_34 [2019-10-03 02:08:55,991 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pskb_expand_head_35 [2019-10-03 02:08:55,991 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2019-10-03 02:08:55,991 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2019-10-03 02:08:55,991 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-03 02:08:55,992 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-03 02:08:55,992 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___netdev_alloc_skb_31 [2019-10-03 02:08:55,992 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___netdev_alloc_skb_32 [2019-10-03 02:08:55,992 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___netdev_alloc_skb_33 [2019-10-03 02:08:55,992 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2019-10-03 02:08:55,992 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2019-10-03 02:08:55,992 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2019-10-03 02:08:55,993 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2019-10-03 02:08:55,993 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev_38 [2019-10-03 02:08:55,993 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2019-10-03 02:08:55,993 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2019-10-03 02:08:55,993 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_wake_queue [2019-10-03 02:08:55,993 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2019-10-03 02:08:55,993 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2019-10-03 02:08:55,993 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2019-10-03 02:08:55,994 INFO L130 BoogieDeclarations]: Found specification of procedure netif_rx [2019-10-03 02:08:55,994 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_present [2019-10-03 02:08:55,994 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2019-10-03 02:08:55,994 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_attach [2019-10-03 02:08:55,994 INFO L130 BoogieDeclarations]: Found specification of procedure register_netdev [2019-10-03 02:08:55,994 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_netdev_39 [2019-10-03 02:08:55,994 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2019-10-03 02:08:55,995 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev_37 [2019-10-03 02:08:55,996 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_err [2019-10-03 02:08:56,000 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_warn [2019-10-03 02:08:56,001 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_info [2019-10-03 02:08:56,001 INFO L130 BoogieDeclarations]: Found specification of procedure eth_type_trans [2019-10-03 02:08:56,001 INFO L130 BoogieDeclarations]: Found specification of procedure eth_mac_addr [2019-10-03 02:08:56,001 INFO L130 BoogieDeclarations]: Found specification of procedure eth_change_mtu [2019-10-03 02:08:56,004 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2019-10-03 02:08:56,004 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_etherdev_mqs [2019-10-03 02:08:56,004 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_register_driver [2019-10-03 02:08:56,004 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_unregister_driver [2019-10-03 02:08:56,004 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_get_tuple [2019-10-03 02:08:56,004 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_dev_present [2019-10-03 02:08:56,005 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_request_io [2019-10-03 02:08:56,005 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_request_irq [2019-10-03 02:08:56,005 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_enable_device [2019-10-03 02:08:56,005 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_disable_device [2019-10-03 02:08:56,005 INFO L130 BoogieDeclarations]: Found specification of procedure tc589_config [2019-10-03 02:08:56,006 INFO L130 BoogieDeclarations]: Found specification of procedure tc589_release [2019-10-03 02:08:56,006 INFO L130 BoogieDeclarations]: Found specification of procedure read_eeprom [2019-10-03 02:08:56,006 INFO L130 BoogieDeclarations]: Found specification of procedure tc589_reset [2019-10-03 02:08:56,006 INFO L130 BoogieDeclarations]: Found specification of procedure media_check [2019-10-03 02:08:56,006 INFO L130 BoogieDeclarations]: Found specification of procedure el3_config [2019-10-03 02:08:56,006 INFO L130 BoogieDeclarations]: Found specification of procedure el3_open [2019-10-03 02:08:56,006 INFO L130 BoogieDeclarations]: Found specification of procedure el3_start_xmit [2019-10-03 02:08:56,006 INFO L130 BoogieDeclarations]: Found specification of procedure el3_interrupt [2019-10-03 02:08:56,007 INFO L130 BoogieDeclarations]: Found specification of procedure update_stats [2019-10-03 02:08:56,007 INFO L130 BoogieDeclarations]: Found specification of procedure el3_get_stats [2019-10-03 02:08:56,007 INFO L130 BoogieDeclarations]: Found specification of procedure el3_rx [2019-10-03 02:08:56,007 INFO L130 BoogieDeclarations]: Found specification of procedure el3_close [2019-10-03 02:08:56,007 INFO L130 BoogieDeclarations]: Found specification of procedure el3_tx_timeout [2019-10-03 02:08:56,007 INFO L130 BoogieDeclarations]: Found specification of procedure set_rx_mode [2019-10-03 02:08:56,007 INFO L130 BoogieDeclarations]: Found specification of procedure set_multicast_list [2019-10-03 02:08:56,007 INFO L130 BoogieDeclarations]: Found specification of procedure tc589_detach [2019-10-03 02:08:56,008 INFO L130 BoogieDeclarations]: Found specification of procedure tc589_probe [2019-10-03 02:08:56,008 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-03 02:08:56,008 INFO L130 BoogieDeclarations]: Found specification of procedure tc589_suspend [2019-10-03 02:08:56,008 INFO L130 BoogieDeclarations]: Found specification of procedure tc589_resume [2019-10-03 02:08:56,008 INFO L130 BoogieDeclarations]: Found specification of procedure tc589_wait_for_completion [2019-10-03 02:08:56,008 INFO L130 BoogieDeclarations]: Found specification of procedure tc589_set_xcvr [2019-10-03 02:08:56,008 INFO L130 BoogieDeclarations]: Found specification of procedure dump_status [2019-10-03 02:08:56,008 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_drvinfo [2019-10-03 02:08:56,009 INFO L130 BoogieDeclarations]: Found specification of procedure pop_tx_status [2019-10-03 02:08:56,009 INFO L130 BoogieDeclarations]: Found specification of procedure tc589_driver_init [2019-10-03 02:08:56,009 INFO L130 BoogieDeclarations]: Found specification of procedure tc589_driver_exit [2019-10-03 02:08:56,009 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ndo_init_4 [2019-10-03 02:08:56,009 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-10-03 02:08:56,009 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ndo_uninit_4 [2019-10-03 02:08:56,009 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-10-03 02:08:56,009 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-03 02:08:56,010 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2019-10-03 02:08:56,010 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2019-10-03 02:08:56,010 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2019-10-03 02:08:56,010 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2019-10-03 02:08:56,010 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2019-10-03 02:08:56,010 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_some_page [2019-10-03 02:08:56,010 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags_and_return_some_page [2019-10-03 02:08:56,011 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_nonatomic [2019-10-03 02:08:56,011 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock [2019-10-03 02:08:56,011 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-10-03 02:08:56,011 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ushort [2019-10-03 02:08:56,011 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-03 02:08:56,011 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-03 02:08:56,011 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-03 02:08:56,011 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-10-03 02:08:56,012 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-03 02:08:57,255 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2019-10-03 02:09:05,110 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-03 02:09:05,111 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-10-03 02:09:05,114 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.10 02:09:05 BoogieIcfgContainer [2019-10-03 02:09:05,114 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-03 02:09:05,117 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-03 02:09:05,117 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-03 02:09:05,121 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-03 02:09:05,121 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.10 02:08:52" (1/3) ... [2019-10-03 02:09:05,122 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75fd9948 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.10 02:09:05, skipping insertion in model container [2019-10-03 02:09:05,122 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:08:55" (2/3) ... [2019-10-03 02:09:05,123 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75fd9948 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.10 02:09:05, skipping insertion in model container [2019-10-03 02:09:05,123 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.10 02:09:05" (3/3) ... [2019-10-03 02:09:05,128 INFO L109 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--3com--3c589_cs.ko-entry_point.cil.out.i [2019-10-03 02:09:05,140 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-03 02:09:05,158 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-03 02:09:05,178 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-03 02:09:05,213 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-10-03 02:09:05,214 INFO L378 AbstractCegarLoop]: Hoare is false [2019-10-03 02:09:05,214 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-03 02:09:05,214 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-03 02:09:05,214 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-03 02:09:05,214 INFO L382 AbstractCegarLoop]: Difference is false [2019-10-03 02:09:05,214 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-03 02:09:05,215 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-03 02:09:05,272 INFO L276 IsEmpty]: Start isEmpty. Operand 1200 states. [2019-10-03 02:09:05,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2019-10-03 02:09:05,329 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:09:05,331 INFO L411 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 3, 3, 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] [2019-10-03 02:09:05,333 INFO L418 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:09:05,342 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:09:05,342 INFO L82 PathProgramCache]: Analyzing trace with hash 695708031, now seen corresponding path program 1 times [2019-10-03 02:09:05,345 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:09:05,492 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:09:05,493 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:09:05,493 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:09:05,495 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:09:06,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:09:06,769 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 128 trivial. 0 not checked. [2019-10-03 02:09:06,772 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:09:06,773 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-03 02:09:06,773 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:09:06,782 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-03 02:09:06,798 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-03 02:09:06,799 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2019-10-03 02:09:06,802 INFO L87 Difference]: Start difference. First operand 1200 states. Second operand 5 states. [2019-10-03 02:09:14,445 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:09:14,446 INFO L93 Difference]: Finished difference Result 4478 states and 6074 transitions. [2019-10-03 02:09:14,446 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-03 02:09:14,448 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 232 [2019-10-03 02:09:14,450 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:09:14,524 INFO L225 Difference]: With dead ends: 4478 [2019-10-03 02:09:14,524 INFO L226 Difference]: Without dead ends: 4374 [2019-10-03 02:09:14,526 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2019-10-03 02:09:14,560 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4374 states. [2019-10-03 02:09:14,868 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4374 to 4361. [2019-10-03 02:09:14,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4361 states. [2019-10-03 02:09:14,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4361 states to 4361 states and 5918 transitions. [2019-10-03 02:09:14,904 INFO L78 Accepts]: Start accepts. Automaton has 4361 states and 5918 transitions. Word has length 232 [2019-10-03 02:09:14,905 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:09:14,905 INFO L475 AbstractCegarLoop]: Abstraction has 4361 states and 5918 transitions. [2019-10-03 02:09:14,906 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-03 02:09:14,906 INFO L276 IsEmpty]: Start isEmpty. Operand 4361 states and 5918 transitions. [2019-10-03 02:09:14,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2019-10-03 02:09:14,918 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:09:14,919 INFO L411 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 3, 3, 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] [2019-10-03 02:09:14,919 INFO L418 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:09:14,920 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:09:14,920 INFO L82 PathProgramCache]: Analyzing trace with hash -70189161, now seen corresponding path program 1 times [2019-10-03 02:09:14,920 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:09:14,931 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:09:14,931 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:09:14,932 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:09:14,932 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:09:15,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:09:15,369 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 128 trivial. 0 not checked. [2019-10-03 02:09:15,370 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:09:15,370 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-03 02:09:15,370 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:09:15,387 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-03 02:09:15,387 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-03 02:09:15,387 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2019-10-03 02:09:15,388 INFO L87 Difference]: Start difference. First operand 4361 states and 5918 transitions. Second operand 5 states. [2019-10-03 02:09:22,400 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:09:22,401 INFO L93 Difference]: Finished difference Result 17315 states and 23567 transitions. [2019-10-03 02:09:22,401 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-03 02:09:22,401 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 228 [2019-10-03 02:09:22,402 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:09:22,532 INFO L225 Difference]: With dead ends: 17315 [2019-10-03 02:09:22,533 INFO L226 Difference]: Without dead ends: 17315 [2019-10-03 02:09:22,534 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2019-10-03 02:09:22,562 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17315 states. [2019-10-03 02:09:23,350 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17315 to 17304. [2019-10-03 02:09:23,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17304 states. [2019-10-03 02:09:23,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17304 states to 17304 states and 23559 transitions. [2019-10-03 02:09:23,421 INFO L78 Accepts]: Start accepts. Automaton has 17304 states and 23559 transitions. Word has length 228 [2019-10-03 02:09:23,421 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:09:23,423 INFO L475 AbstractCegarLoop]: Abstraction has 17304 states and 23559 transitions. [2019-10-03 02:09:23,424 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-03 02:09:23,424 INFO L276 IsEmpty]: Start isEmpty. Operand 17304 states and 23559 transitions. [2019-10-03 02:09:23,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 230 [2019-10-03 02:09:23,436 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:09:23,436 INFO L411 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 3, 3, 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] [2019-10-03 02:09:23,436 INFO L418 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:09:23,437 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:09:23,437 INFO L82 PathProgramCache]: Analyzing trace with hash -1317717268, now seen corresponding path program 1 times [2019-10-03 02:09:23,438 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:09:23,447 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:09:23,447 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:09:23,448 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:09:23,448 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:09:23,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:09:23,918 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 128 trivial. 0 not checked. [2019-10-03 02:09:23,918 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:09:23,918 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-03 02:09:23,918 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:09:23,919 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-03 02:09:23,919 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-03 02:09:23,920 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2019-10-03 02:09:23,920 INFO L87 Difference]: Start difference. First operand 17304 states and 23559 transitions. Second operand 5 states. [2019-10-03 02:09:31,416 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:09:31,416 INFO L93 Difference]: Finished difference Result 69051 states and 94244 transitions. [2019-10-03 02:09:31,417 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-03 02:09:31,417 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 229 [2019-10-03 02:09:31,418 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:09:31,803 INFO L225 Difference]: With dead ends: 69051 [2019-10-03 02:09:31,803 INFO L226 Difference]: Without dead ends: 69051 [2019-10-03 02:09:31,804 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2019-10-03 02:09:31,922 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69051 states. [2019-10-03 02:09:35,078 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69051 to 69038. [2019-10-03 02:09:35,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 69038 states. [2019-10-03 02:09:35,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69038 states to 69038 states and 94234 transitions. [2019-10-03 02:09:35,267 INFO L78 Accepts]: Start accepts. Automaton has 69038 states and 94234 transitions. Word has length 229 [2019-10-03 02:09:35,267 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:09:35,267 INFO L475 AbstractCegarLoop]: Abstraction has 69038 states and 94234 transitions. [2019-10-03 02:09:35,267 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-03 02:09:35,268 INFO L276 IsEmpty]: Start isEmpty. Operand 69038 states and 94234 transitions. [2019-10-03 02:09:35,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 236 [2019-10-03 02:09:35,277 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:09:35,278 INFO L411 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 3, 3, 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, 1, 1] [2019-10-03 02:09:35,279 INFO L418 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:09:35,279 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:09:35,280 INFO L82 PathProgramCache]: Analyzing trace with hash 1997165636, now seen corresponding path program 1 times [2019-10-03 02:09:35,280 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:09:35,291 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:09:35,291 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:09:35,291 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:09:35,291 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:09:35,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:09:35,717 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 128 trivial. 0 not checked. [2019-10-03 02:09:35,718 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:09:35,718 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-03 02:09:35,718 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:09:35,719 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-03 02:09:35,719 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-03 02:09:35,720 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2019-10-03 02:09:35,720 INFO L87 Difference]: Start difference. First operand 69038 states and 94234 transitions. Second operand 5 states. [2019-10-03 02:09:44,665 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:09:44,666 INFO L93 Difference]: Finished difference Result 252685 states and 345413 transitions. [2019-10-03 02:09:44,666 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-03 02:09:44,666 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 235 [2019-10-03 02:09:44,667 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:09:45,960 INFO L225 Difference]: With dead ends: 252685 [2019-10-03 02:09:45,960 INFO L226 Difference]: Without dead ends: 252685 [2019-10-03 02:09:45,960 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2019-10-03 02:09:46,204 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 252685 states. [2019-10-03 02:09:53,368 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 252685 to 252668. [2019-10-03 02:09:53,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 252668 states. [2019-10-03 02:09:58,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252668 states to 252668 states and 345399 transitions. [2019-10-03 02:09:58,129 INFO L78 Accepts]: Start accepts. Automaton has 252668 states and 345399 transitions. Word has length 235 [2019-10-03 02:09:58,129 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:09:58,129 INFO L475 AbstractCegarLoop]: Abstraction has 252668 states and 345399 transitions. [2019-10-03 02:09:58,130 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-03 02:09:58,130 INFO L276 IsEmpty]: Start isEmpty. Operand 252668 states and 345399 transitions. [2019-10-03 02:09:58,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 438 [2019-10-03 02:09:58,277 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:09:58,277 INFO L411 BasicCegarLoop]: trace histogram [20, 20, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-03 02:09:58,278 INFO L418 AbstractCegarLoop]: === Iteration 5 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:09:58,278 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:09:58,279 INFO L82 PathProgramCache]: Analyzing trace with hash 1767488471, now seen corresponding path program 1 times [2019-10-03 02:09:58,279 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:09:58,291 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:09:58,292 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:09:58,292 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:09:58,292 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:09:58,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:09:58,794 INFO L134 CoverageAnalysis]: Checked inductivity of 748 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 746 trivial. 0 not checked. [2019-10-03 02:09:58,795 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:09:58,795 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-03 02:09:58,795 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:09:58,796 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-03 02:09:58,796 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-03 02:09:58,797 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 02:09:58,797 INFO L87 Difference]: Start difference. First operand 252668 states and 345399 transitions. Second operand 3 states. [2019-10-03 02:10:05,258 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:10:05,259 INFO L93 Difference]: Finished difference Result 406036 states and 549864 transitions. [2019-10-03 02:10:05,259 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-03 02:10:05,259 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 437 [2019-10-03 02:10:05,260 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:10:06,788 INFO L225 Difference]: With dead ends: 406036 [2019-10-03 02:10:06,788 INFO L226 Difference]: Without dead ends: 406036 [2019-10-03 02:10:06,788 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 [2019-10-03 02:10:07,135 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 406036 states. [2019-10-03 02:10:21,381 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 406036 to 400145. [2019-10-03 02:10:21,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 400145 states. [2019-10-03 02:10:22,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 400145 states to 400145 states and 542950 transitions. [2019-10-03 02:10:22,625 INFO L78 Accepts]: Start accepts. Automaton has 400145 states and 542950 transitions. Word has length 437 [2019-10-03 02:10:22,625 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:10:22,625 INFO L475 AbstractCegarLoop]: Abstraction has 400145 states and 542950 transitions. [2019-10-03 02:10:22,625 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-03 02:10:22,625 INFO L276 IsEmpty]: Start isEmpty. Operand 400145 states and 542950 transitions. [2019-10-03 02:10:22,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 566 [2019-10-03 02:10:22,821 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:10:22,822 INFO L411 BasicCegarLoop]: trace histogram [22, 22, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-03 02:10:22,822 INFO L418 AbstractCegarLoop]: === Iteration 6 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:10:22,822 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:10:22,823 INFO L82 PathProgramCache]: Analyzing trace with hash 1880158763, now seen corresponding path program 1 times [2019-10-03 02:10:22,823 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:10:22,833 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:10:22,834 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:10:22,834 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:10:22,834 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:10:22,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:10:25,548 INFO L134 CoverageAnalysis]: Checked inductivity of 969 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 964 trivial. 0 not checked. [2019-10-03 02:10:25,548 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:10:25,549 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-03 02:10:25,549 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:10:25,552 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-03 02:10:25,552 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-03 02:10:25,553 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 02:10:25,553 INFO L87 Difference]: Start difference. First operand 400145 states and 542950 transitions. Second operand 3 states. [2019-10-03 02:10:37,489 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:10:37,489 INFO L93 Difference]: Finished difference Result 688383 states and 941702 transitions. [2019-10-03 02:10:37,489 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-03 02:10:37,490 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 565 [2019-10-03 02:10:37,490 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:10:40,232 INFO L225 Difference]: With dead ends: 688383 [2019-10-03 02:10:40,233 INFO L226 Difference]: Without dead ends: 688383 [2019-10-03 02:10:40,233 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 [2019-10-03 02:10:41,325 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 688383 states. [2019-10-03 02:11:08,349 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 688383 to 688380. [2019-10-03 02:11:08,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 688380 states. [2019-10-03 02:11:21,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 688380 states to 688380 states and 941700 transitions. [2019-10-03 02:11:21,222 INFO L78 Accepts]: Start accepts. Automaton has 688380 states and 941700 transitions. Word has length 565 [2019-10-03 02:11:21,223 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:11:21,223 INFO L475 AbstractCegarLoop]: Abstraction has 688380 states and 941700 transitions. [2019-10-03 02:11:21,223 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-03 02:11:21,223 INFO L276 IsEmpty]: Start isEmpty. Operand 688380 states and 941700 transitions. [2019-10-03 02:11:21,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 607 [2019-10-03 02:11:21,420 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:11:21,420 INFO L411 BasicCegarLoop]: trace histogram [22, 22, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 5, 5, 5, 5, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-03 02:11:21,421 INFO L418 AbstractCegarLoop]: === Iteration 7 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:11:21,421 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:11:21,421 INFO L82 PathProgramCache]: Analyzing trace with hash -1056582890, now seen corresponding path program 1 times [2019-10-03 02:11:21,422 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:11:21,431 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:11:21,432 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:11:21,432 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:11:21,432 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:11:21,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:11:22,215 INFO L134 CoverageAnalysis]: Checked inductivity of 1032 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 1022 trivial. 0 not checked. [2019-10-03 02:11:22,215 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:11:22,215 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-03 02:11:22,215 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:11:22,216 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-03 02:11:22,217 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-03 02:11:22,218 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 02:11:22,219 INFO L87 Difference]: Start difference. First operand 688380 states and 941700 transitions. Second operand 3 states. [2019-10-03 02:11:28,087 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:11:28,087 INFO L93 Difference]: Finished difference Result 709628 states and 975492 transitions. [2019-10-03 02:11:28,087 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-03 02:11:28,088 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 606 [2019-10-03 02:11:28,088 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:11:40,915 INFO L225 Difference]: With dead ends: 709628 [2019-10-03 02:11:40,915 INFO L226 Difference]: Without dead ends: 709628 [2019-10-03 02:11:40,916 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 [2019-10-03 02:11:41,399 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 709628 states. [2019-10-03 02:11:54,063 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 709628 to 688892. [2019-10-03 02:11:54,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 688892 states. [2019-10-03 02:12:09,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 688892 states to 688892 states and 942212 transitions. [2019-10-03 02:12:09,780 INFO L78 Accepts]: Start accepts. Automaton has 688892 states and 942212 transitions. Word has length 606 [2019-10-03 02:12:09,781 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:12:09,781 INFO L475 AbstractCegarLoop]: Abstraction has 688892 states and 942212 transitions. [2019-10-03 02:12:09,781 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-03 02:12:09,781 INFO L276 IsEmpty]: Start isEmpty. Operand 688892 states and 942212 transitions. [2019-10-03 02:12:09,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 610 [2019-10-03 02:12:09,994 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:12:09,995 INFO L411 BasicCegarLoop]: trace histogram [22, 22, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 5, 5, 5, 5, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-03 02:12:09,995 INFO L418 AbstractCegarLoop]: === Iteration 8 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:12:09,995 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:12:09,995 INFO L82 PathProgramCache]: Analyzing trace with hash 1852576156, now seen corresponding path program 1 times [2019-10-03 02:12:09,995 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:12:10,004 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:12:10,005 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:12:10,005 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:12:10,005 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:12:10,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:12:12,746 INFO L134 CoverageAnalysis]: Checked inductivity of 1033 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 1023 trivial. 0 not checked. [2019-10-03 02:12:12,747 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:12:12,747 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-03 02:12:12,747 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:12:12,748 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-03 02:12:12,748 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-03 02:12:12,749 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 02:12:12,749 INFO L87 Difference]: Start difference. First operand 688892 states and 942212 transitions. Second operand 3 states. [2019-10-03 02:12:17,205 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:12:17,205 INFO L93 Difference]: Finished difference Result 698620 states and 955524 transitions. [2019-10-03 02:12:17,206 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-03 02:12:17,206 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 609 [2019-10-03 02:12:17,207 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:12:31,889 INFO L225 Difference]: With dead ends: 698620 [2019-10-03 02:12:31,889 INFO L226 Difference]: Without dead ends: 698620 [2019-10-03 02:12:31,890 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 [2019-10-03 02:12:32,475 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 698620 states. [2019-10-03 02:12:45,119 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 698620 to 692988. [2019-10-03 02:12:45,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 692988 states. [2019-10-03 02:13:01,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 692988 states to 692988 states and 947588 transitions. [2019-10-03 02:13:01,303 INFO L78 Accepts]: Start accepts. Automaton has 692988 states and 947588 transitions. Word has length 609 [2019-10-03 02:13:01,304 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:13:01,304 INFO L475 AbstractCegarLoop]: Abstraction has 692988 states and 947588 transitions. [2019-10-03 02:13:01,304 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-03 02:13:01,305 INFO L276 IsEmpty]: Start isEmpty. Operand 692988 states and 947588 transitions. [2019-10-03 02:13:03,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 617 [2019-10-03 02:13:03,737 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:13:03,738 INFO L411 BasicCegarLoop]: trace histogram [22, 22, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 5, 5, 5, 5, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-03 02:13:03,738 INFO L418 AbstractCegarLoop]: === Iteration 9 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:13:03,739 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:13:03,739 INFO L82 PathProgramCache]: Analyzing trace with hash 916992267, now seen corresponding path program 1 times [2019-10-03 02:13:03,739 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:13:03,747 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:13:03,748 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:13:03,748 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:13:03,748 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:13:03,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:13:04,566 INFO L134 CoverageAnalysis]: Checked inductivity of 1034 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 1022 trivial. 0 not checked. [2019-10-03 02:13:04,566 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:13:04,566 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-03 02:13:04,567 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:13:04,568 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-03 02:13:04,568 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-03 02:13:04,568 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 02:13:04,568 INFO L87 Difference]: Start difference. First operand 692988 states and 947588 transitions. Second operand 3 states. [2019-10-03 02:13:19,868 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:13:19,868 INFO L93 Difference]: Finished difference Result 1013676 states and 1372794 transitions. [2019-10-03 02:13:19,869 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-03 02:13:19,869 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 616 [2019-10-03 02:13:19,870 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:13:25,897 INFO L225 Difference]: With dead ends: 1013676 [2019-10-03 02:13:25,898 INFO L226 Difference]: Without dead ends: 1013676 [2019-10-03 02:13:25,898 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 [2019-10-03 02:13:26,655 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1013676 states. [2019-10-03 02:13:54,471 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1013676 to 1006761. [2019-10-03 02:13:54,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1006761 states. [2019-10-03 02:14:15,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1006761 states to 1006761 states and 1364600 transitions. [2019-10-03 02:14:15,968 INFO L78 Accepts]: Start accepts. Automaton has 1006761 states and 1364600 transitions. Word has length 616 [2019-10-03 02:14:15,968 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:14:15,969 INFO L475 AbstractCegarLoop]: Abstraction has 1006761 states and 1364600 transitions. [2019-10-03 02:14:15,969 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-03 02:14:15,969 INFO L276 IsEmpty]: Start isEmpty. Operand 1006761 states and 1364600 transitions. [2019-10-03 02:14:16,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 633 [2019-10-03 02:14:16,239 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:14:16,239 INFO L411 BasicCegarLoop]: trace histogram [22, 22, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 5, 5, 5, 5, 5, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-03 02:14:16,240 INFO L418 AbstractCegarLoop]: === Iteration 10 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:14:16,240 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:14:16,241 INFO L82 PathProgramCache]: Analyzing trace with hash -1898366204, now seen corresponding path program 1 times [2019-10-03 02:14:16,241 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:14:16,249 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:14:16,249 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:14:16,249 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:14:16,249 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:14:16,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:14:18,358 INFO L134 CoverageAnalysis]: Checked inductivity of 1050 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 1040 trivial. 0 not checked. [2019-10-03 02:14:18,358 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:14:18,359 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-03 02:14:18,359 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:14:18,360 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-03 02:14:18,360 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-03 02:14:18,360 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 02:14:18,361 INFO L87 Difference]: Start difference. First operand 1006761 states and 1364600 transitions. Second operand 3 states. [2019-10-03 02:14:35,457 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:14:35,457 INFO L93 Difference]: Finished difference Result 1013929 states and 1373816 transitions. [2019-10-03 02:14:35,457 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-03 02:14:35,458 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 632 [2019-10-03 02:14:35,458 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:14:41,067 INFO L225 Difference]: With dead ends: 1013929 [2019-10-03 02:14:41,067 INFO L226 Difference]: Without dead ends: 1013929 [2019-10-03 02:14:41,067 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 [2019-10-03 02:14:41,798 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1013929 states. [2019-10-03 02:15:19,511 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1013929 to 1008809. [2019-10-03 02:15:19,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1008809 states.