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--usb--serial--digi_acceleport.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-10 14:05:04,684 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-10 14:05:04,686 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-10 14:05:04,698 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-10 14:05:04,699 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-10 14:05:04,700 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-10 14:05:04,701 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-10 14:05:04,703 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-10 14:05:04,705 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-10 14:05:04,705 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-10 14:05:04,706 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-10 14:05:04,707 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-10 14:05:04,708 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-10 14:05:04,709 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-10 14:05:04,710 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-10 14:05:04,711 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-10 14:05:04,711 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-10 14:05:04,712 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-10 14:05:04,714 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-10 14:05:04,716 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-10 14:05:04,717 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-10 14:05:04,718 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-10 14:05:04,719 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-10 14:05:04,719 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-10 14:05:04,721 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-10 14:05:04,722 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-10 14:05:04,722 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-10 14:05:04,723 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-10 14:05:04,723 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-10 14:05:04,724 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-10 14:05:04,724 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-10 14:05:04,725 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-10 14:05:04,725 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-10 14:05:04,726 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-10 14:05:04,727 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-10 14:05:04,727 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-10 14:05:04,728 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-10 14:05:04,728 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-10 14:05:04,728 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-10 14:05:04,729 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-10 14:05:04,730 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-10 14:05:04,731 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/svcomp-Reach-32bit-Automizer_Default+AIv2_INT.epf [2019-09-10 14:05:04,745 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-10 14:05:04,746 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-10 14:05:04,746 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-10 14:05:04,746 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-10 14:05:04,747 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-10 14:05:04,747 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-10 14:05:04,747 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-10 14:05:04,747 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-10 14:05:04,748 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-10 14:05:04,748 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-10 14:05:04,749 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-10 14:05:04,749 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-10 14:05:04,749 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-10 14:05:04,749 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-10 14:05:04,750 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-10 14:05:04,750 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-10 14:05:04,750 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-10 14:05:04,750 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-10 14:05:04,750 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-10 14:05:04,751 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-10 14:05:04,751 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-10 14:05:04,751 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-10 14:05:04,751 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-10 14:05:04,751 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-10 14:05:04,752 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-10 14:05:04,752 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-10 14:05:04,752 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-10 14:05:04,752 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-10 14:05:04,752 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-10 14:05:04,752 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-10 14:05:04,796 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-10 14:05:04,809 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-10 14:05:04,813 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-10 14:05:04,814 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-10 14:05:04,815 INFO L275 PluginConnector]: CDTParser initialized [2019-09-10 14:05:04,816 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--usb--serial--digi_acceleport.ko-entry_point.cil.out.i [2019-09-10 14:05:04,876 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7e4a6b9e4/929958a1d05a4379be4df09ee33521ca/FLAG134468587 [2019-09-10 14:05:05,700 INFO L306 CDTParser]: Found 1 translation units. [2019-09-10 14:05:05,701 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--usb--serial--digi_acceleport.ko-entry_point.cil.out.i [2019-09-10 14:05:05,732 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7e4a6b9e4/929958a1d05a4379be4df09ee33521ca/FLAG134468587 [2019-09-10 14:05:06,177 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7e4a6b9e4/929958a1d05a4379be4df09ee33521ca [2019-09-10 14:05:06,188 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-10 14:05:06,189 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-10 14:05:06,190 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-10 14:05:06,191 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-10 14:05:06,194 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-10 14:05:06,195 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.09 02:05:06" (1/1) ... [2019-09-10 14:05:06,198 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ee575b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:05:06, skipping insertion in model container [2019-09-10 14:05:06,198 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.09 02:05:06" (1/1) ... [2019-09-10 14:05:06,206 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-10 14:05:06,331 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-10 14:05:08,151 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-10 14:05:08,197 INFO L188 MainTranslator]: Completed pre-run [2019-09-10 14:05:08,532 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-10 14:05:08,779 INFO L192 MainTranslator]: Completed translation [2019-09-10 14:05:08,780 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:05:08 WrapperNode [2019-09-10 14:05:08,781 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-10 14:05:08,782 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-10 14:05:08,782 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-10 14:05:08,782 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-10 14:05:08,800 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:05:08" (1/1) ... [2019-09-10 14:05:08,802 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:05:08" (1/1) ... [2019-09-10 14:05:08,883 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:05:08" (1/1) ... [2019-09-10 14:05:08,887 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:05:08" (1/1) ... [2019-09-10 14:05:09,000 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:05:08" (1/1) ... [2019-09-10 14:05:09,023 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:05:08" (1/1) ... [2019-09-10 14:05:09,051 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:05:08" (1/1) ... [2019-09-10 14:05:09,099 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-10 14:05:09,099 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-10 14:05:09,099 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-10 14:05:09,100 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-10 14:05:09,101 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:05:08" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-10 14:05:09,174 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-10 14:05:09,174 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-10 14:05:09,174 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_guard [2019-09-10 14:05:09,175 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2019-09-10 14:05:09,175 INFO L138 BoogieDeclarations]: Found implementation of procedure variable_test_bit [2019-09-10 14:05:09,175 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-09-10 14:05:09,175 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-09-10 14:05:09,175 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2019-09-10 14:05:09,175 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2019-09-10 14:05:09,176 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2019-09-10 14:05:09,176 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ptr [2019-09-10 14:05:09,176 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2019-09-10 14:05:09,176 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2019-09-10 14:05:09,176 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2019-09-10 14:05:09,177 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2019-09-10 14:05:09,177 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2019-09-10 14:05:09,177 INFO L138 BoogieDeclarations]: Found implementation of procedure test_ti_thread_flag [2019-09-10 14:05:09,177 INFO L138 BoogieDeclarations]: Found implementation of procedure preempt_count [2019-09-10 14:05:09,177 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2019-09-10 14:05:09,178 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_5 [2019-09-10 14:05:09,178 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_irq_8 [2019-09-10 14:05:09,178 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_9 [2019-09-10 14:05:09,178 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irq_11 [2019-09-10 14:05:09,178 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_12 [2019-09-10 14:05:09,179 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work [2019-09-10 14:05:09,179 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2019-09-10 14:05:09,179 INFO L138 BoogieDeclarations]: Found implementation of procedure test_tsk_thread_flag [2019-09-10 14:05:09,179 INFO L138 BoogieDeclarations]: Found implementation of procedure signal_pending [2019-09-10 14:05:09,179 INFO L138 BoogieDeclarations]: Found implementation of procedure char_buf_ptr [2019-09-10 14:05:09,179 INFO L138 BoogieDeclarations]: Found implementation of procedure flag_buf_ptr [2019-09-10 14:05:09,180 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_get_baud_rate [2019-09-10 14:05:09,180 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_insert_flip_char [2019-09-10 14:05:09,180 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2019-09-10 14:05:09,180 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2019-09-10 14:05:09,180 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_serial_port_data [2019-09-10 14:05:09,180 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_serial_port_data [2019-09-10 14:05:09,180 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_serial_data [2019-09-10 14:05:09,181 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_serial_data [2019-09-10 14:05:09,181 INFO L138 BoogieDeclarations]: Found implementation of procedure cond_wait_interruptible_timeout_irqrestore [2019-09-10 14:05:09,181 INFO L138 BoogieDeclarations]: Found implementation of procedure digi_wakeup_write_lock [2019-09-10 14:05:09,181 INFO L138 BoogieDeclarations]: Found implementation of procedure digi_write_oob_command [2019-09-10 14:05:09,181 INFO L138 BoogieDeclarations]: Found implementation of procedure digi_write_inb_command [2019-09-10 14:05:09,181 INFO L138 BoogieDeclarations]: Found implementation of procedure digi_set_modem_signals [2019-09-10 14:05:09,181 INFO L138 BoogieDeclarations]: Found implementation of procedure digi_transmit_idle [2019-09-10 14:05:09,182 INFO L138 BoogieDeclarations]: Found implementation of procedure digi_rx_throttle [2019-09-10 14:05:09,182 INFO L138 BoogieDeclarations]: Found implementation of procedure digi_rx_unthrottle [2019-09-10 14:05:09,182 INFO L138 BoogieDeclarations]: Found implementation of procedure digi_set_termios [2019-09-10 14:05:09,182 INFO L138 BoogieDeclarations]: Found implementation of procedure digi_break_ctl [2019-09-10 14:05:09,182 INFO L138 BoogieDeclarations]: Found implementation of procedure digi_tiocmget [2019-09-10 14:05:09,183 INFO L138 BoogieDeclarations]: Found implementation of procedure digi_tiocmset [2019-09-10 14:05:09,183 INFO L138 BoogieDeclarations]: Found implementation of procedure digi_write [2019-09-10 14:05:09,183 INFO L138 BoogieDeclarations]: Found implementation of procedure digi_write_bulk_callback [2019-09-10 14:05:09,183 INFO L138 BoogieDeclarations]: Found implementation of procedure digi_write_room [2019-09-10 14:05:09,183 INFO L138 BoogieDeclarations]: Found implementation of procedure digi_chars_in_buffer [2019-09-10 14:05:09,183 INFO L138 BoogieDeclarations]: Found implementation of procedure digi_dtr_rts [2019-09-10 14:05:09,183 INFO L138 BoogieDeclarations]: Found implementation of procedure digi_open [2019-09-10 14:05:09,184 INFO L138 BoogieDeclarations]: Found implementation of procedure digi_close [2019-09-10 14:05:09,184 INFO L138 BoogieDeclarations]: Found implementation of procedure digi_startup_device [2019-09-10 14:05:09,184 INFO L138 BoogieDeclarations]: Found implementation of procedure digi_port_init [2019-09-10 14:05:09,184 INFO L138 BoogieDeclarations]: Found implementation of procedure digi_startup [2019-09-10 14:05:09,184 INFO L138 BoogieDeclarations]: Found implementation of procedure digi_disconnect [2019-09-10 14:05:09,184 INFO L138 BoogieDeclarations]: Found implementation of procedure digi_release [2019-09-10 14:05:09,184 INFO L138 BoogieDeclarations]: Found implementation of procedure digi_port_probe [2019-09-10 14:05:09,184 INFO L138 BoogieDeclarations]: Found implementation of procedure digi_port_remove [2019-09-10 14:05:09,185 INFO L138 BoogieDeclarations]: Found implementation of procedure digi_read_bulk_callback [2019-09-10 14:05:09,185 INFO L138 BoogieDeclarations]: Found implementation of procedure digi_read_inb_callback [2019-09-10 14:05:09,185 INFO L138 BoogieDeclarations]: Found implementation of procedure digi_read_oob_callback [2019-09-10 14:05:09,185 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_module_init [2019-09-10 14:05:09,185 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_module_exit [2019-09-10 14:05:09,185 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_all_1 [2019-09-10 14:05:09,185 INFO L138 BoogieDeclarations]: Found implementation of procedure invoke_work_1 [2019-09-10 14:05:09,186 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_work_1 [2019-09-10 14:05:09,186 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_usb_serial_driver_2 [2019-09-10 14:05:09,186 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_work_1 [2019-09-10 14:05:09,186 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_1 [2019-09-10 14:05:09,186 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_usb_serial_driver_3 [2019-09-10 14:05:09,186 INFO L138 BoogieDeclarations]: Found implementation of procedure work_init_1 [2019-09-10 14:05:09,187 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-10 14:05:09,187 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2019-09-10 14:05:09,187 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2019-09-10 14:05:09,187 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2019-09-10 14:05:09,187 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2019-09-10 14:05:09,187 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2019-09-10 14:05:09,187 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_queue_work_on_15 [2019-09-10 14:05:09,188 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_queue_delayed_work_on_16 [2019-09-10 14:05:09,188 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_queue_work_on_17 [2019-09-10 14:05:09,188 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_flush_workqueue_18 [2019-09-10 14:05:09,188 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_queue_delayed_work_on_19 [2019-09-10 14:05:09,188 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kmem_cache_alloc_25 [2019-09-10 14:05:09,188 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2019-09-10 14:05:09,188 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_28 [2019-09-10 14:05:09,189 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_29 [2019-09-10 14:05:09,189 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_30 [2019-09-10 14:05:09,189 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_31 [2019-09-10 14:05:09,189 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_32 [2019-09-10 14:05:09,189 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_33 [2019-09-10 14:05:09,189 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_34 [2019-09-10 14:05:09,190 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_35 [2019-09-10 14:05:09,190 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2019-09-10 14:05:09,190 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2019-09-10 14:05:09,190 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2019-09-10 14:05:09,190 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2019-09-10 14:05:09,190 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2019-09-10 14:05:09,190 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2019-09-10 14:05:09,191 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags_and_return_some_page [2019-09-10 14:05:09,191 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_nonatomic [2019-09-10 14:05:09,191 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2019-09-10 14:05:09,191 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2019-09-10 14:05:09,191 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock [2019-09-10 14:05:09,191 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_dev_dbg [2019-09-10 14:05:09,191 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2019-09-10 14:05:09,192 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2019-09-10 14:05:09,192 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2019-09-10 14:05:09,192 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2019-09-10 14:05:09,192 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock [2019-09-10 14:05:09,192 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irq [2019-09-10 14:05:09,192 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock [2019-09-10 14:05:09,192 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irq [2019-09-10 14:05:09,193 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irqrestore [2019-09-10 14:05:09,193 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2019-09-10 14:05:09,193 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2019-09-10 14:05:09,193 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_workqueue [2019-09-10 14:05:09,193 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-09-10 14:05:09,193 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-09-10 14:05:09,193 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_probe_2 [2019-09-10 14:05:09,194 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_probe_3 [2019-09-10 14:05:09,194 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_some_page [2019-09-10 14:05:09,194 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2019-09-10 14:05:09,194 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2019-09-10 14:05:09,194 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2019-09-10 14:05:09,194 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait [2019-09-10 14:05:09,194 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2019-09-10 14:05:09,195 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work_on [2019-09-10 14:05:09,195 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2019-09-10 14:05:09,195 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout [2019-09-10 14:05:09,195 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_encode_baud_rate [2019-09-10 14:05:09,195 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_flip_buffer_push [2019-09-10 14:05:09,195 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_insert_flip_string_fixed_flag [2019-09-10 14:05:09,195 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_insert_flip_string_flags [2019-09-10 14:05:09,196 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_kref_put [2019-09-10 14:05:09,196 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_port_tty_get [2019-09-10 14:05:09,196 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_port_tty_wakeup [2019-09-10 14:05:09,196 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_termios_baud_rate [2019-09-10 14:05:09,196 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2019-09-10 14:05:09,196 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_deregister_drivers [2019-09-10 14:05:09,197 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_register_drivers [2019-09-10 14:05:09,197 INFO L138 BoogieDeclarations]: Found implementation of procedure autoremove_wake_function [2019-09-10 14:05:09,197 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-09-10 14:05:09,197 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-09-10 14:05:09,197 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-09-10 14:05:09,197 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-09-10 14:05:09,198 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-09-10 14:05:09,198 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-10 14:05:09,198 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-09-10 14:05:09,198 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_guard [2019-09-10 14:05:09,198 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2019-09-10 14:05:09,198 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2019-09-10 14:05:09,198 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-10 14:05:09,199 INFO L130 BoogieDeclarations]: Found specification of procedure variable_test_bit [2019-09-10 14:05:09,199 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2019-09-10 14:05:09,199 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_dev_dbg [2019-09-10 14:05:09,199 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2019-09-10 14:05:09,199 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2019-09-10 14:05:09,199 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-10 14:05:09,199 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-09-10 14:05:09,199 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-09-10 14:05:09,200 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-10 14:05:09,200 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-09-10 14:05:09,200 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-09-10 14:05:09,200 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-10 14:05:09,200 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-09-10 14:05:09,200 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-10 14:05:09,200 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-09-10 14:05:09,201 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-09-10 14:05:09,201 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2019-09-10 14:05:09,201 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2019-09-10 14:05:09,201 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-09-10 14:05:09,201 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2019-09-10 14:05:09,201 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ptr [2019-09-10 14:05:09,201 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2019-09-10 14:05:09,202 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2019-09-10 14:05:09,202 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2019-09-10 14:05:09,202 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-10 14:05:09,202 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2019-09-10 14:05:09,202 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2019-09-10 14:05:09,202 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-09-10 14:05:09,202 INFO L130 BoogieDeclarations]: Found specification of procedure test_ti_thread_flag [2019-09-10 14:05:09,203 INFO L130 BoogieDeclarations]: Found specification of procedure preempt_count [2019-09-10 14:05:09,203 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2019-09-10 14:05:09,203 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2019-09-10 14:05:09,203 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock [2019-09-10 14:05:09,203 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irq [2019-09-10 14:05:09,203 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock [2019-09-10 14:05:09,203 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irq [2019-09-10 14:05:09,203 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore [2019-09-10 14:05:09,204 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2019-09-10 14:05:09,204 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_5 [2019-09-10 14:05:09,204 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2019-09-10 14:05:09,204 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_irq_8 [2019-09-10 14:05:09,204 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2019-09-10 14:05:09,204 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_9 [2019-09-10 14:05:09,204 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2019-09-10 14:05:09,205 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irq_11 [2019-09-10 14:05:09,205 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2019-09-10 14:05:09,205 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_12 [2019-09-10 14:05:09,205 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2019-09-10 14:05:09,205 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2019-09-10 14:05:09,205 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2019-09-10 14:05:09,205 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait [2019-09-10 14:05:09,205 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2019-09-10 14:05:09,206 INFO L130 BoogieDeclarations]: Found specification of procedure autoremove_wake_function [2019-09-10 14:05:09,206 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2019-09-10 14:05:09,206 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2019-09-10 14:05:09,206 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2019-09-10 14:05:09,206 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2019-09-10 14:05:09,206 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_queue_work_on_15 [2019-09-10 14:05:09,206 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_queue_work_on_17 [2019-09-10 14:05:09,206 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work_on [2019-09-10 14:05:09,207 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_queue_delayed_work_on_16 [2019-09-10 14:05:09,207 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_queue_delayed_work_on_19 [2019-09-10 14:05:09,207 INFO L130 BoogieDeclarations]: Found specification of procedure flush_workqueue [2019-09-10 14:05:09,207 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_flush_workqueue_18 [2019-09-10 14:05:09,207 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work [2019-09-10 14:05:09,207 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2019-09-10 14:05:09,207 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout [2019-09-10 14:05:09,208 INFO L130 BoogieDeclarations]: Found specification of procedure test_tsk_thread_flag [2019-09-10 14:05:09,208 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-10 14:05:09,208 INFO L130 BoogieDeclarations]: Found specification of procedure signal_pending [2019-09-10 14:05:09,208 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-09-10 14:05:09,208 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kmem_cache_alloc_25 [2019-09-10 14:05:09,208 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2019-09-10 14:05:09,208 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2019-09-10 14:05:09,208 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_all_1 [2019-09-10 14:05:09,209 INFO L130 BoogieDeclarations]: Found specification of procedure invoke_work_1 [2019-09-10 14:05:09,209 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_work_1 [2019-09-10 14:05:09,209 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_usb_serial_driver_2 [2019-09-10 14:05:09,209 INFO L130 BoogieDeclarations]: Found specification of procedure disable_work_1 [2019-09-10 14:05:09,209 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_1 [2019-09-10 14:05:09,209 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_usb_serial_driver_3 [2019-09-10 14:05:09,209 INFO L130 BoogieDeclarations]: Found specification of procedure work_init_1 [2019-09-10 14:05:09,210 INFO L130 BoogieDeclarations]: Found specification of procedure char_buf_ptr [2019-09-10 14:05:09,210 INFO L130 BoogieDeclarations]: Found specification of procedure flag_buf_ptr [2019-09-10 14:05:09,210 INFO L130 BoogieDeclarations]: Found specification of procedure tty_kref_put [2019-09-10 14:05:09,210 INFO L130 BoogieDeclarations]: Found specification of procedure tty_termios_baud_rate [2019-09-10 14:05:09,210 INFO L130 BoogieDeclarations]: Found specification of procedure tty_encode_baud_rate [2019-09-10 14:05:09,210 INFO L130 BoogieDeclarations]: Found specification of procedure tty_get_baud_rate [2019-09-10 14:05:09,210 INFO L130 BoogieDeclarations]: Found specification of procedure tty_port_tty_get [2019-09-10 14:05:09,210 INFO L130 BoogieDeclarations]: Found specification of procedure tty_port_tty_wakeup [2019-09-10 14:05:09,211 INFO L130 BoogieDeclarations]: Found specification of procedure tty_insert_flip_string_flags [2019-09-10 14:05:09,211 INFO L130 BoogieDeclarations]: Found specification of procedure tty_insert_flip_string_fixed_flag [2019-09-10 14:05:09,211 INFO L130 BoogieDeclarations]: Found specification of procedure tty_flip_buffer_push [2019-09-10 14:05:09,211 INFO L130 BoogieDeclarations]: Found specification of procedure tty_insert_flip_char [2019-09-10 14:05:09,211 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-10 14:05:09,211 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-10 14:05:09,211 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-10 14:05:09,211 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2019-09-10 14:05:09,212 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2019-09-10 14:05:09,212 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2019-09-10 14:05:09,212 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_28 [2019-09-10 14:05:09,212 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_29 [2019-09-10 14:05:09,212 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_30 [2019-09-10 14:05:09,212 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_31 [2019-09-10 14:05:09,212 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_32 [2019-09-10 14:05:09,212 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_33 [2019-09-10 14:05:09,213 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_34 [2019-09-10 14:05:09,213 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_35 [2019-09-10 14:05:09,213 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2019-09-10 14:05:09,213 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_serial_port_data [2019-09-10 14:05:09,213 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_serial_port_data [2019-09-10 14:05:09,213 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_serial_data [2019-09-10 14:05:09,213 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_serial_data [2019-09-10 14:05:09,214 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_register_drivers [2019-09-10 14:05:09,214 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_deregister_drivers [2019-09-10 14:05:09,214 INFO L130 BoogieDeclarations]: Found specification of procedure digi_wakeup_write_lock [2019-09-10 14:05:09,214 INFO L130 BoogieDeclarations]: Found specification of procedure digi_write_oob_command [2019-09-10 14:05:09,214 INFO L130 BoogieDeclarations]: Found specification of procedure digi_write_inb_command [2019-09-10 14:05:09,214 INFO L130 BoogieDeclarations]: Found specification of procedure digi_set_modem_signals [2019-09-10 14:05:09,214 INFO L130 BoogieDeclarations]: Found specification of procedure digi_transmit_idle [2019-09-10 14:05:09,214 INFO L130 BoogieDeclarations]: Found specification of procedure digi_rx_throttle [2019-09-10 14:05:09,215 INFO L130 BoogieDeclarations]: Found specification of procedure digi_rx_unthrottle [2019-09-10 14:05:09,215 INFO L130 BoogieDeclarations]: Found specification of procedure digi_set_termios [2019-09-10 14:05:09,215 INFO L130 BoogieDeclarations]: Found specification of procedure digi_break_ctl [2019-09-10 14:05:09,215 INFO L130 BoogieDeclarations]: Found specification of procedure digi_tiocmget [2019-09-10 14:05:09,215 INFO L130 BoogieDeclarations]: Found specification of procedure digi_tiocmset [2019-09-10 14:05:09,215 INFO L130 BoogieDeclarations]: Found specification of procedure digi_write [2019-09-10 14:05:09,215 INFO L130 BoogieDeclarations]: Found specification of procedure digi_write_bulk_callback [2019-09-10 14:05:09,216 INFO L130 BoogieDeclarations]: Found specification of procedure digi_write_room [2019-09-10 14:05:09,216 INFO L130 BoogieDeclarations]: Found specification of procedure digi_chars_in_buffer [2019-09-10 14:05:09,216 INFO L130 BoogieDeclarations]: Found specification of procedure digi_open [2019-09-10 14:05:09,216 INFO L130 BoogieDeclarations]: Found specification of procedure digi_close [2019-09-10 14:05:09,216 INFO L130 BoogieDeclarations]: Found specification of procedure digi_dtr_rts [2019-09-10 14:05:09,216 INFO L130 BoogieDeclarations]: Found specification of procedure digi_startup_device [2019-09-10 14:05:09,216 INFO L130 BoogieDeclarations]: Found specification of procedure digi_startup [2019-09-10 14:05:09,216 INFO L130 BoogieDeclarations]: Found specification of procedure digi_disconnect [2019-09-10 14:05:09,217 INFO L130 BoogieDeclarations]: Found specification of procedure digi_release [2019-09-10 14:05:09,217 INFO L130 BoogieDeclarations]: Found specification of procedure digi_port_probe [2019-09-10 14:05:09,217 INFO L130 BoogieDeclarations]: Found specification of procedure digi_port_remove [2019-09-10 14:05:09,217 INFO L130 BoogieDeclarations]: Found specification of procedure digi_read_bulk_callback [2019-09-10 14:05:09,217 INFO L130 BoogieDeclarations]: Found specification of procedure digi_read_inb_callback [2019-09-10 14:05:09,217 INFO L130 BoogieDeclarations]: Found specification of procedure digi_read_oob_callback [2019-09-10 14:05:09,217 INFO L130 BoogieDeclarations]: Found specification of procedure cond_wait_interruptible_timeout_irqrestore [2019-09-10 14:05:09,218 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-09-10 14:05:09,218 INFO L130 BoogieDeclarations]: Found specification of procedure digi_port_init [2019-09-10 14:05:09,218 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_module_init [2019-09-10 14:05:09,218 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_module_exit [2019-09-10 14:05:09,218 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-09-10 14:05:09,218 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-09-10 14:05:09,218 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_probe_2 [2019-09-10 14:05:09,219 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_probe_3 [2019-09-10 14:05:09,219 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-10 14:05:09,219 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2019-09-10 14:05:09,219 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2019-09-10 14:05:09,219 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2019-09-10 14:05:09,219 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2019-09-10 14:05:09,219 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2019-09-10 14:05:09,219 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_some_page [2019-09-10 14:05:09,220 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags_and_return_some_page [2019-09-10 14:05:09,220 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_nonatomic [2019-09-10 14:05:09,220 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock [2019-09-10 14:05:09,220 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-09-10 14:05:09,220 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-09-10 14:05:09,220 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2019-09-10 14:05:09,220 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2019-09-10 14:05:09,220 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-10 14:05:09,221 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-10 14:05:09,221 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-10 14:05:09,221 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-09-10 14:05:09,221 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-10 14:05:09,221 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-09-10 14:05:09,221 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-09-10 14:05:09,221 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2019-09-10 14:05:09,221 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2019-09-10 14:05:10,313 INFO L684 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2019-09-10 14:05:19,484 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-10 14:05:19,484 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-10 14:05:19,487 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.09 02:05:19 BoogieIcfgContainer [2019-09-10 14:05:19,488 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-10 14:05:19,489 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-10 14:05:19,489 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-10 14:05:19,494 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-10 14:05:19,494 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.09 02:05:06" (1/3) ... [2019-09-10 14:05:19,496 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46d9504a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.09 02:05:19, skipping insertion in model container [2019-09-10 14:05:19,496 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:05:08" (2/3) ... [2019-09-10 14:05:19,497 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46d9504a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.09 02:05:19, skipping insertion in model container [2019-09-10 14:05:19,497 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.09 02:05:19" (3/3) ... [2019-09-10 14:05:19,499 INFO L109 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--usb--serial--digi_acceleport.ko-entry_point.cil.out.i [2019-09-10 14:05:19,513 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-10 14:05:19,529 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-10 14:05:19,549 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-10 14:05:19,596 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-10 14:05:19,596 INFO L378 AbstractCegarLoop]: Hoare is false [2019-09-10 14:05:19,597 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-10 14:05:19,597 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-10 14:05:19,597 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-10 14:05:19,597 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-10 14:05:19,597 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-10 14:05:19,598 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-10 14:05:19,670 INFO L276 IsEmpty]: Start isEmpty. Operand 1555 states. [2019-09-10 14:05:19,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2019-09-10 14:05:19,721 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 14:05:19,723 INFO L399 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 14:05:19,726 INFO L418 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 14:05:19,734 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 14:05:19,735 INFO L82 PathProgramCache]: Analyzing trace with hash 282153524, now seen corresponding path program 1 times [2019-09-10 14:05:19,739 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 14:05:19,881 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 14:05:19,881 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 14:05:19,881 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 14:05:19,881 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 14:05:20,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 14:05:20,903 INFO L134 CoverageAnalysis]: Checked inductivity of 378 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 378 trivial. 0 not checked. [2019-09-10 14:05:20,906 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 14:05:20,906 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 14:05:20,906 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 14:05:20,912 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 14:05:20,925 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 14:05:20,926 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 14:05:20,928 INFO L87 Difference]: Start difference. First operand 1555 states. Second operand 3 states. [2019-09-10 14:05:21,867 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 14:05:21,868 INFO L93 Difference]: Finished difference Result 2735 states and 3837 transitions. [2019-09-10 14:05:21,868 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 14:05:21,869 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 177 [2019-09-10 14:05:21,871 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 14:05:21,919 INFO L225 Difference]: With dead ends: 2735 [2019-09-10 14:05:21,919 INFO L226 Difference]: Without dead ends: 2692 [2019-09-10 14:05:21,921 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 14:05:21,946 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2692 states. [2019-09-10 14:05:22,137 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2692 to 2688. [2019-09-10 14:05:22,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2688 states. [2019-09-10 14:05:22,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2688 states to 2688 states and 3780 transitions. [2019-09-10 14:05:22,159 INFO L78 Accepts]: Start accepts. Automaton has 2688 states and 3780 transitions. Word has length 177 [2019-09-10 14:05:22,161 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 14:05:22,161 INFO L475 AbstractCegarLoop]: Abstraction has 2688 states and 3780 transitions. [2019-09-10 14:05:22,161 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 14:05:22,161 INFO L276 IsEmpty]: Start isEmpty. Operand 2688 states and 3780 transitions. [2019-09-10 14:05:22,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2019-09-10 14:05:22,165 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 14:05:22,165 INFO L399 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 14:05:22,165 INFO L418 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 14:05:22,166 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 14:05:22,166 INFO L82 PathProgramCache]: Analyzing trace with hash 583640256, now seen corresponding path program 1 times [2019-09-10 14:05:22,166 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 14:05:22,170 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 14:05:22,170 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 14:05:22,170 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 14:05:22,170 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 14:05:22,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 14:05:22,490 INFO L134 CoverageAnalysis]: Checked inductivity of 378 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 378 trivial. 0 not checked. [2019-09-10 14:05:22,491 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 14:05:22,491 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 14:05:22,491 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 14:05:22,494 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 14:05:22,494 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 14:05:22,495 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 14:05:22,495 INFO L87 Difference]: Start difference. First operand 2688 states and 3780 transitions. Second operand 3 states. [2019-09-10 14:05:23,089 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 14:05:23,090 INFO L93 Difference]: Finished difference Result 3985 states and 5572 transitions. [2019-09-10 14:05:23,090 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 14:05:23,091 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 177 [2019-09-10 14:05:23,095 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 14:05:23,124 INFO L225 Difference]: With dead ends: 3985 [2019-09-10 14:05:23,124 INFO L226 Difference]: Without dead ends: 3985 [2019-09-10 14:05:23,125 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 14:05:23,132 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3985 states. [2019-09-10 14:05:23,267 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3985 to 3982. [2019-09-10 14:05:23,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3982 states. [2019-09-10 14:05:23,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3982 states to 3982 states and 5570 transitions. [2019-09-10 14:05:23,291 INFO L78 Accepts]: Start accepts. Automaton has 3982 states and 5570 transitions. Word has length 177 [2019-09-10 14:05:23,293 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 14:05:23,293 INFO L475 AbstractCegarLoop]: Abstraction has 3982 states and 5570 transitions. [2019-09-10 14:05:23,293 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 14:05:23,293 INFO L276 IsEmpty]: Start isEmpty. Operand 3982 states and 5570 transitions. [2019-09-10 14:05:23,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 294 [2019-09-10 14:05:23,303 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 14:05:23,303 INFO L399 BasicCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 12, 12, 9, 9, 9, 9, 9, 9, 9, 9, 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] [2019-09-10 14:05:23,303 INFO L418 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 14:05:23,304 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 14:05:23,304 INFO L82 PathProgramCache]: Analyzing trace with hash 1533041732, now seen corresponding path program 1 times [2019-09-10 14:05:23,304 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 14:05:23,310 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 14:05:23,310 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 14:05:23,311 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 14:05:23,311 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 14:05:23,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 14:05:23,890 INFO L134 CoverageAnalysis]: Checked inductivity of 921 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 918 trivial. 0 not checked. [2019-09-10 14:05:23,891 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 14:05:23,891 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 14:05:23,891 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 14:05:23,893 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 14:05:23,893 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 14:05:23,893 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 14:05:23,894 INFO L87 Difference]: Start difference. First operand 3982 states and 5570 transitions. Second operand 3 states. [2019-09-10 14:05:26,671 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 14:05:26,672 INFO L93 Difference]: Finished difference Result 5983 states and 8282 transitions. [2019-09-10 14:05:26,672 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 14:05:26,673 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 293 [2019-09-10 14:05:26,674 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 14:05:26,732 INFO L225 Difference]: With dead ends: 5983 [2019-09-10 14:05:26,733 INFO L226 Difference]: Without dead ends: 5983 [2019-09-10 14:05:26,733 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 14:05:26,742 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5983 states. [2019-09-10 14:05:26,930 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5983 to 5958. [2019-09-10 14:05:26,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5958 states. [2019-09-10 14:05:26,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5958 states to 5958 states and 8254 transitions. [2019-09-10 14:05:26,952 INFO L78 Accepts]: Start accepts. Automaton has 5958 states and 8254 transitions. Word has length 293 [2019-09-10 14:05:26,954 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 14:05:26,954 INFO L475 AbstractCegarLoop]: Abstraction has 5958 states and 8254 transitions. [2019-09-10 14:05:26,954 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 14:05:26,954 INFO L276 IsEmpty]: Start isEmpty. Operand 5958 states and 8254 transitions. [2019-09-10 14:05:26,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 294 [2019-09-10 14:05:26,962 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 14:05:26,963 INFO L399 BasicCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 12, 12, 9, 9, 9, 9, 9, 9, 9, 9, 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] [2019-09-10 14:05:26,963 INFO L418 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 14:05:26,964 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 14:05:26,964 INFO L82 PathProgramCache]: Analyzing trace with hash 1834528464, now seen corresponding path program 1 times [2019-09-10 14:05:26,964 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 14:05:26,967 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 14:05:26,967 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 14:05:26,967 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 14:05:26,967 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 14:05:27,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 14:05:27,428 INFO L134 CoverageAnalysis]: Checked inductivity of 921 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 918 trivial. 0 not checked. [2019-09-10 14:05:27,428 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 14:05:27,428 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 14:05:27,429 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 14:05:27,429 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 14:05:27,430 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 14:05:27,430 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 14:05:27,430 INFO L87 Difference]: Start difference. First operand 5958 states and 8254 transitions. Second operand 3 states. [2019-09-10 14:05:30,402 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 14:05:30,403 INFO L93 Difference]: Finished difference Result 8712 states and 11963 transitions. [2019-09-10 14:05:30,403 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 14:05:30,404 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 293 [2019-09-10 14:05:30,405 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 14:05:30,466 INFO L225 Difference]: With dead ends: 8712 [2019-09-10 14:05:30,466 INFO L226 Difference]: Without dead ends: 8712 [2019-09-10 14:05:30,467 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 14:05:30,483 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8712 states. [2019-09-10 14:05:30,745 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8712 to 8709. [2019-09-10 14:05:30,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8709 states. [2019-09-10 14:05:30,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8709 states to 8709 states and 11961 transitions. [2019-09-10 14:05:30,776 INFO L78 Accepts]: Start accepts. Automaton has 8709 states and 11961 transitions. Word has length 293 [2019-09-10 14:05:30,776 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 14:05:30,777 INFO L475 AbstractCegarLoop]: Abstraction has 8709 states and 11961 transitions. [2019-09-10 14:05:30,777 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 14:05:30,777 INFO L276 IsEmpty]: Start isEmpty. Operand 8709 states and 11961 transitions. [2019-09-10 14:05:30,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 295 [2019-09-10 14:05:30,782 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 14:05:30,783 INFO L399 BasicCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 12, 12, 9, 9, 9, 9, 9, 9, 9, 9, 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] [2019-09-10 14:05:30,783 INFO L418 AbstractCegarLoop]: === Iteration 5 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 14:05:30,783 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 14:05:30,783 INFO L82 PathProgramCache]: Analyzing trace with hash 238245504, now seen corresponding path program 1 times [2019-09-10 14:05:30,784 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 14:05:30,788 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 14:05:30,788 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 14:05:30,788 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 14:05:30,788 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 14:05:30,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 14:05:31,299 INFO L134 CoverageAnalysis]: Checked inductivity of 921 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 921 trivial. 0 not checked. [2019-09-10 14:05:31,300 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 14:05:31,300 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 14:05:31,300 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 14:05:31,301 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 14:05:31,301 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 14:05:31,301 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 14:05:31,302 INFO L87 Difference]: Start difference. First operand 8709 states and 11961 transitions. Second operand 3 states. [2019-09-10 14:05:31,368 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 14:05:31,369 INFO L93 Difference]: Finished difference Result 8966 states and 12258 transitions. [2019-09-10 14:05:31,369 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 14:05:31,370 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 294 [2019-09-10 14:05:31,370 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 14:05:31,427 INFO L225 Difference]: With dead ends: 8966 [2019-09-10 14:05:31,427 INFO L226 Difference]: Without dead ends: 8966 [2019-09-10 14:05:31,428 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 14:05:31,442 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8966 states. [2019-09-10 14:05:31,779 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8966 to 8901. [2019-09-10 14:05:31,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8901 states. [2019-09-10 14:05:31,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8901 states to 8901 states and 12172 transitions. [2019-09-10 14:05:31,807 INFO L78 Accepts]: Start accepts. Automaton has 8901 states and 12172 transitions. Word has length 294 [2019-09-10 14:05:31,808 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 14:05:31,808 INFO L475 AbstractCegarLoop]: Abstraction has 8901 states and 12172 transitions. [2019-09-10 14:05:31,808 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 14:05:31,808 INFO L276 IsEmpty]: Start isEmpty. Operand 8901 states and 12172 transitions. [2019-09-10 14:05:31,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 310 [2019-09-10 14:05:31,813 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 14:05:31,814 INFO L399 BasicCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 12, 12, 9, 9, 9, 9, 9, 9, 9, 9, 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] [2019-09-10 14:05:31,814 INFO L418 AbstractCegarLoop]: === Iteration 6 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 14:05:31,814 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 14:05:31,814 INFO L82 PathProgramCache]: Analyzing trace with hash 377539373, now seen corresponding path program 1 times [2019-09-10 14:05:31,815 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 14:05:31,817 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 14:05:31,818 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 14:05:31,818 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 14:05:31,818 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 14:05:32,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 14:05:32,758 INFO L134 CoverageAnalysis]: Checked inductivity of 921 backedges. 0 proven. 77 refuted. 0 times theorem prover too weak. 844 trivial. 0 not checked. [2019-09-10 14:05:32,759 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-10 14:05:32,759 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-09-10 14:05:32,772 INFO L205 CegarAbsIntRunner]: Running AI on error trace of length 310 with the following transitions: [2019-09-10 14:05:32,781 INFO L207 CegarAbsIntRunner]: [2], [3], [30], [31], [51], [52], [58], [59], [86], [87], [175], [176], [255], [258], [350], [352], [353], [495], [497], [498], [501], [1051], [1057], [1058], [1069], [1097], [1099], [1100], [1266], [1267], [1268], [1270], [1271], [1352], [1354], [1356], [1358], [1360], [1363], [1365], [1367], [1369], [1371], [1373], [1375], [1377], [1379], [1381], [1383], [1395], [1398], [1401], [1413], [1416], [1419], [1421], [1424], [1426], [1435], [1454], [1457], [1460], [1497], [1534], [1571], [1574], [1581], [1585], [2613], [2615], [2617], [2619], [2621], [2622], [2623], [2625], [2627], [2629], [2631], [2632], [3030], [3032], [3034], [3037], [3316], [3338], [3339], [3366], [3367], [3484], [3496], [3497], [3564], [3565], [3604], [3605], [3606], [3607], [3608], [3609], [3610], [3611], [3612], [3613], [3614], [3615], [3616], [3617], [3618], [3619], [3620], [3621], [3622], [3623], [3624], [3625], [3626], [3627], [3628], [3629], [3630], [3631], [3632], [3633], [3638], [3639], [3640], [3641], [3642], [3643], [3672], [3876], [3877], [3878], [3879], [3880], [3881], [3882], [3883], [3884], [3885], [3886], [3887], [3888], [3889], [3890], [3891], [4022], [4023], [4024], [4025], [4026], [4080], [4081], [4082] [2019-09-10 14:05:32,853 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2019-09-10 14:05:32,854 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-09-10 14:05:33,098 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2019-09-10 14:05:33,100 INFO L272 AbstractInterpreter]: Visited 2 different actions 2 times. Never merged. Never widened. Performed 378 root evaluator evaluations with a maximum evaluation depth of 0. Performed 378 inverse root evaluator evaluations with a maximum inverse evaluation depth of 0. Never found a fixpoint. Largest state had 720 variables. [2019-09-10 14:05:33,105 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 14:05:33,105 INFO L403 sIntCurrentIteration]: Generating AbsInt predicates [2019-09-10 14:05:33,211 INFO L219 lantSequenceWeakener]: Could never weaken! [2019-09-10 14:05:33,211 INFO L418 sIntCurrentIteration]: Unifying AI predicates [2019-09-10 14:05:33,218 INFO L420 sIntCurrentIteration]: We unified 308 AI predicates to 308 [2019-09-10 14:05:33,218 INFO L429 sIntCurrentIteration]: Finished generation of AbsInt predicates [2019-09-10 14:05:33,219 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-09-10 14:05:33,219 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [6] total 6 [2019-09-10 14:05:33,220 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 14:05:33,220 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-09-10 14:05:33,220 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-09-10 14:05:33,221 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-10 14:05:33,221 INFO L87 Difference]: Start difference. First operand 8901 states and 12172 transitions. Second operand 2 states. [2019-09-10 14:05:33,221 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 14:05:33,221 INFO L93 Difference]: Finished difference Result 2 states and 1 transitions. [2019-09-10 14:05:33,222 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-09-10 14:05:33,222 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 309 [2019-09-10 14:05:33,222 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 14:05:33,222 INFO L225 Difference]: With dead ends: 2 [2019-09-10 14:05:33,222 INFO L226 Difference]: Without dead ends: 0 [2019-09-10 14:05:33,223 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 308 GetRequests, 308 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-10 14:05:33,223 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-09-10 14:05:33,223 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-09-10 14:05:33,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-09-10 14:05:33,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-09-10 14:05:33,223 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 309 [2019-09-10 14:05:33,224 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 14:05:33,224 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-09-10 14:05:33,224 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-09-10 14:05:33,224 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-09-10 14:05:33,224 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-09-10 14:05:33,229 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.09 02:05:33 BoogieIcfgContainer [2019-09-10 14:05:33,229 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-09-10 14:05:33,232 INFO L168 Benchmark]: Toolchain (without parser) took 27041.67 ms. Allocated memory was 135.3 MB in the beginning and 689.4 MB in the end (delta: 554.2 MB). Free memory was 82.1 MB in the beginning and 189.3 MB in the end (delta: -107.2 MB). Peak memory consumption was 447.0 MB. Max. memory is 7.1 GB. [2019-09-10 14:05:33,233 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 135.3 MB. Free memory was 109.6 MB in the beginning and 109.4 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. [2019-09-10 14:05:33,234 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2590.78 ms. Allocated memory was 135.3 MB in the beginning and 264.2 MB in the end (delta: 129.0 MB). Free memory was 81.7 MB in the beginning and 176.9 MB in the end (delta: -95.3 MB). Peak memory consumption was 120.7 MB. Max. memory is 7.1 GB. [2019-09-10 14:05:33,235 INFO L168 Benchmark]: Boogie Preprocessor took 317.22 ms. Allocated memory is still 264.2 MB. Free memory was 176.9 MB in the beginning and 149.7 MB in the end (delta: 27.2 MB). Peak memory consumption was 27.2 MB. Max. memory is 7.1 GB. [2019-09-10 14:05:33,236 INFO L168 Benchmark]: RCFGBuilder took 10388.67 ms. Allocated memory was 264.2 MB in the beginning and 490.7 MB in the end (delta: 226.5 MB). Free memory was 149.7 MB in the beginning and 214.7 MB in the end (delta: -65.0 MB). Peak memory consumption was 263.0 MB. Max. memory is 7.1 GB. [2019-09-10 14:05:33,237 INFO L168 Benchmark]: TraceAbstraction took 13740.25 ms. Allocated memory was 490.7 MB in the beginning and 689.4 MB in the end (delta: 198.7 MB). Free memory was 214.7 MB in the beginning and 189.3 MB in the end (delta: 25.4 MB). Peak memory consumption was 224.1 MB. Max. memory is 7.1 GB. [2019-09-10 14:05:33,241 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 135.3 MB. Free memory was 109.6 MB in the beginning and 109.4 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 2590.78 ms. Allocated memory was 135.3 MB in the beginning and 264.2 MB in the end (delta: 129.0 MB). Free memory was 81.7 MB in the beginning and 176.9 MB in the end (delta: -95.3 MB). Peak memory consumption was 120.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 317.22 ms. Allocated memory is still 264.2 MB. Free memory was 176.9 MB in the beginning and 149.7 MB in the end (delta: 27.2 MB). Peak memory consumption was 27.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 10388.67 ms. Allocated memory was 264.2 MB in the beginning and 490.7 MB in the end (delta: 226.5 MB). Free memory was 149.7 MB in the beginning and 214.7 MB in the end (delta: -65.0 MB). Peak memory consumption was 263.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 13740.25 ms. Allocated memory was 490.7 MB in the beginning and 689.4 MB in the end (delta: 198.7 MB). Free memory was 214.7 MB in the beginning and 189.3 MB in the end (delta: 25.4 MB). Peak memory consumption was 224.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 7337]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 152 procedures, 1640 locations, 1 error locations. SAFE Result, 13.6s OverallTime, 6 OverallIterations, 12 TraceHistogramMax, 7.6s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 13242 SDtfs, 8816 SDslu, 7941 SDs, 0 SdLazy, 738 SolverSat, 165 SolverUnsat, 2 SolverUnknown, 0 SolverNotchecked, 5.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 324 GetRequests, 319 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=8901occurred in iteration=5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.3s AbstIntTime, 1 AbstIntIterations, 1 AbstIntStrong, 1.0 AbsIntWeakeningRatio, 3.292207792207792 AbsIntAvgWeakeningVarsNumRemoved, 0.0 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 1.2s AutomataMinimizationTime, 6 MinimizatonAttempts, 100 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.2s SsaConstructionTime, 1.3s SatisfiabilityAnalysisTime, 1.7s InterpolantComputationTime, 1543 NumberOfCodeBlocks, 1543 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 1537 ConstructedInterpolants, 0 QuantifiedInterpolants, 476225 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 5 PerfectInterpolantSequences, 4363/4440 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...