/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --abstractinterpretationv2.abstract.domain IntervalDomain --traceabstraction.trace.refinement.strategy TAIPAN --traceabstraction.abstract.interpretation.mode USE_PREDICATES -i ../../../trunk/examples/svcomp/ldv-linux-3.0/usb_urb-drivers-usb-serial-whiteheat.ko.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fb55353 [2019-11-06 23:17:25,606 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-06 23:17:25,610 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-06 23:17:25,628 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-06 23:17:25,628 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-06 23:17:25,631 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-06 23:17:25,632 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-06 23:17:25,643 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-06 23:17:25,647 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-06 23:17:25,651 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-06 23:17:25,652 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-06 23:17:25,654 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-06 23:17:25,654 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-06 23:17:25,656 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-06 23:17:25,657 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-06 23:17:25,659 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-06 23:17:25,660 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-06 23:17:25,661 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-06 23:17:25,662 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-06 23:17:25,664 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-06 23:17:25,665 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-06 23:17:25,667 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-06 23:17:25,669 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-06 23:17:25,671 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-06 23:17:25,673 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-06 23:17:25,673 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-06 23:17:25,674 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-06 23:17:25,675 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-06 23:17:25,676 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-06 23:17:25,677 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-06 23:17:25,677 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-06 23:17:25,678 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-06 23:17:25,678 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-06 23:17:25,679 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-06 23:17:25,680 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-06 23:17:25,680 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-06 23:17:25,681 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-06 23:17:25,681 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-06 23:17:25,681 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-06 23:17:25,682 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-06 23:17:25,683 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-06 23:17:25,683 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-06 23:17:25,697 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-06 23:17:25,697 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-06 23:17:25,698 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-06 23:17:25,698 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-06 23:17:25,699 INFO L138 SettingsManager]: * Use SBE=true [2019-11-06 23:17:25,699 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-06 23:17:25,699 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-06 23:17:25,699 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-06 23:17:25,699 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-06 23:17:25,700 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-06 23:17:25,700 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-06 23:17:25,700 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-06 23:17:25,700 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-06 23:17:25,700 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-06 23:17:25,701 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-06 23:17:25,701 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-06 23:17:25,701 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-06 23:17:25,701 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-06 23:17:25,701 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-06 23:17:25,702 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-06 23:17:25,702 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-06 23:17:25,702 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-06 23:17:25,702 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-06 23:17:25,702 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-06 23:17:25,703 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-06 23:17:25,703 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-06 23:17:25,703 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-06 23:17:25,703 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-06 23:17:25,703 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: Abstract domain -> IntervalDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Abstract interpretation Mode -> USE_PREDICATES [2019-11-06 23:17:25,992 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-06 23:17:26,005 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-06 23:17:26,009 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-06 23:17:26,010 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-06 23:17:26,011 INFO L275 PluginConnector]: CDTParser initialized [2019-11-06 23:17:26,011 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.0/usb_urb-drivers-usb-serial-whiteheat.ko.cil.out.i [2019-11-06 23:17:26,093 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7a5947c19/a4200ae2c0904d8db757a9f372f18775/FLAG94abd3439 [2019-11-06 23:17:26,998 INFO L306 CDTParser]: Found 1 translation units. [2019-11-06 23:17:26,999 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-3.0/usb_urb-drivers-usb-serial-whiteheat.ko.cil.out.i [2019-11-06 23:17:27,042 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7a5947c19/a4200ae2c0904d8db757a9f372f18775/FLAG94abd3439 [2019-11-06 23:17:27,416 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7a5947c19/a4200ae2c0904d8db757a9f372f18775 [2019-11-06 23:17:27,425 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-06 23:17:27,427 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-11-06 23:17:27,427 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-06 23:17:27,428 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-06 23:17:27,431 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-06 23:17:27,432 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 11:17:27" (1/1) ... [2019-11-06 23:17:27,435 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@35a6b378 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:17:27, skipping insertion in model container [2019-11-06 23:17:27,435 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 11:17:27" (1/1) ... [2019-11-06 23:17:27,443 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-06 23:17:27,584 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-06 23:17:29,707 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-06 23:17:29,803 INFO L188 MainTranslator]: Completed pre-run [2019-11-06 23:17:30,173 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-06 23:17:30,414 INFO L192 MainTranslator]: Completed translation [2019-11-06 23:17:30,415 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:17:30 WrapperNode [2019-11-06 23:17:30,415 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-06 23:17:30,416 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-06 23:17:30,416 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-06 23:17:30,417 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-06 23:17:30,432 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:17:30" (1/1) ... [2019-11-06 23:17:30,433 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:17:30" (1/1) ... [2019-11-06 23:17:30,518 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:17:30" (1/1) ... [2019-11-06 23:17:30,518 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:17:30" (1/1) ... [2019-11-06 23:17:30,644 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:17:30" (1/1) ... [2019-11-06 23:17:30,684 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:17:30" (1/1) ... [2019-11-06 23:17:30,713 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:17:30" (1/1) ... [2019-11-06 23:17:30,735 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-06 23:17:30,736 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-06 23:17:30,736 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-06 23:17:30,736 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-06 23:17:30,737 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:17:30" (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 [2019-11-06 23:17:30,817 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-06 23:17:30,817 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-06 23:17:30,817 INFO L138 BoogieDeclarations]: Found implementation of procedure __arch_swab32 [2019-11-06 23:17:30,818 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2019-11-06 23:17:30,818 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2019-11-06 23:17:30,819 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2019-11-06 23:17:30,820 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2019-11-06 23:17:30,821 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2019-11-06 23:17:30,821 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2019-11-06 23:17:30,822 INFO L138 BoogieDeclarations]: Found implementation of procedure list_move [2019-11-06 23:17:30,822 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2019-11-06 23:17:30,822 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2019-11-06 23:17:30,823 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2019-11-06 23:17:30,824 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2019-11-06 23:17:30,824 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2019-11-06 23:17:30,824 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2019-11-06 23:17:30,827 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2019-11-06 23:17:30,828 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2019-11-06 23:17:30,828 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2019-11-06 23:17:30,828 INFO L138 BoogieDeclarations]: Found implementation of procedure device_private_init [2019-11-06 23:17:30,829 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2019-11-06 23:17:30,829 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2019-11-06 23:17:30,829 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_insert_flip_string [2019-11-06 23:17:30,829 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register [2019-11-06 23:17:30,829 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_bulk_urb [2019-11-06 23:17:30,829 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2019-11-06 23:17:30,830 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_serial_port_data [2019-11-06 23:17:30,830 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_serial_port_data [2019-11-06 23:17:30,830 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_debug_data [2019-11-06 23:17:30,830 INFO L138 BoogieDeclarations]: Found implementation of procedure ihex_next_binrec [2019-11-06 23:17:30,830 INFO L138 BoogieDeclarations]: Found implementation of procedure ihex_validate_fw [2019-11-06 23:17:30,830 INFO L138 BoogieDeclarations]: Found implementation of procedure request_ihex_firmware [2019-11-06 23:17:30,830 INFO L138 BoogieDeclarations]: Found implementation of procedure whiteheat_firmware_download [2019-11-06 23:17:30,831 INFO L138 BoogieDeclarations]: Found implementation of procedure whiteheat_firmware_attach [2019-11-06 23:17:30,831 INFO L138 BoogieDeclarations]: Found implementation of procedure whiteheat_attach [2019-11-06 23:17:30,831 INFO L138 BoogieDeclarations]: Found implementation of procedure whiteheat_release [2019-11-06 23:17:30,831 INFO L138 BoogieDeclarations]: Found implementation of procedure whiteheat_open [2019-11-06 23:17:30,831 INFO L138 BoogieDeclarations]: Found implementation of procedure whiteheat_close [2019-11-06 23:17:30,831 INFO L138 BoogieDeclarations]: Found implementation of procedure whiteheat_write [2019-11-06 23:17:30,831 INFO L138 BoogieDeclarations]: Found implementation of procedure whiteheat_write_room [2019-11-06 23:17:30,832 INFO L138 BoogieDeclarations]: Found implementation of procedure whiteheat_tiocmget [2019-11-06 23:17:30,832 INFO L138 BoogieDeclarations]: Found implementation of procedure whiteheat_tiocmset [2019-11-06 23:17:30,832 INFO L138 BoogieDeclarations]: Found implementation of procedure whiteheat_ioctl [2019-11-06 23:17:30,832 INFO L138 BoogieDeclarations]: Found implementation of procedure whiteheat_set_termios [2019-11-06 23:17:30,832 INFO L138 BoogieDeclarations]: Found implementation of procedure whiteheat_break_ctl [2019-11-06 23:17:30,833 INFO L138 BoogieDeclarations]: Found implementation of procedure whiteheat_chars_in_buffer [2019-11-06 23:17:30,833 INFO L138 BoogieDeclarations]: Found implementation of procedure whiteheat_throttle [2019-11-06 23:17:30,833 INFO L138 BoogieDeclarations]: Found implementation of procedure whiteheat_unthrottle [2019-11-06 23:17:30,833 INFO L138 BoogieDeclarations]: Found implementation of procedure command_port_write_callback [2019-11-06 23:17:30,833 INFO L138 BoogieDeclarations]: Found implementation of procedure command_port_read_callback [2019-11-06 23:17:30,833 INFO L138 BoogieDeclarations]: Found implementation of procedure whiteheat_read_callback [2019-11-06 23:17:30,833 INFO L138 BoogieDeclarations]: Found implementation of procedure whiteheat_write_callback [2019-11-06 23:17:30,834 INFO L138 BoogieDeclarations]: Found implementation of procedure firm_send_command [2019-11-06 23:17:30,834 INFO L138 BoogieDeclarations]: Found implementation of procedure firm_open [2019-11-06 23:17:30,834 INFO L138 BoogieDeclarations]: Found implementation of procedure firm_close [2019-11-06 23:17:30,834 INFO L138 BoogieDeclarations]: Found implementation of procedure firm_setup_port [2019-11-06 23:17:30,834 INFO L138 BoogieDeclarations]: Found implementation of procedure firm_set_rts [2019-11-06 23:17:30,834 INFO L138 BoogieDeclarations]: Found implementation of procedure firm_set_dtr [2019-11-06 23:17:30,834 INFO L138 BoogieDeclarations]: Found implementation of procedure firm_set_break [2019-11-06 23:17:30,835 INFO L138 BoogieDeclarations]: Found implementation of procedure firm_purge [2019-11-06 23:17:30,835 INFO L138 BoogieDeclarations]: Found implementation of procedure firm_get_dtr_rts [2019-11-06 23:17:30,835 INFO L138 BoogieDeclarations]: Found implementation of procedure firm_report_tx_done [2019-11-06 23:17:30,836 INFO L138 BoogieDeclarations]: Found implementation of procedure start_command_port [2019-11-06 23:17:30,837 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_command_port [2019-11-06 23:17:30,837 INFO L138 BoogieDeclarations]: Found implementation of procedure start_port_read [2019-11-06 23:17:30,837 INFO L138 BoogieDeclarations]: Found implementation of procedure urb_to_wrap [2019-11-06 23:17:30,837 INFO L138 BoogieDeclarations]: Found implementation of procedure list_first [2019-11-06 23:17:30,838 INFO L138 BoogieDeclarations]: Found implementation of procedure rx_data_softint [2019-11-06 23:17:30,838 INFO L138 BoogieDeclarations]: Found implementation of procedure whiteheat_init [2019-11-06 23:17:30,838 INFO L138 BoogieDeclarations]: Found implementation of procedure whiteheat_exit [2019-11-06 23:17:30,838 INFO L138 BoogieDeclarations]: Found implementation of procedure init_module [2019-11-06 23:17:30,839 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup_module [2019-11-06 23:17:30,839 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-06 23:17:30,840 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_blast_assert [2019-11-06 23:17:30,840 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume_stop [2019-11-06 23:17:30,840 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_coherent [2019-11-06 23:17:30,841 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_coherent [2019-11-06 23:17:30,841 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2019-11-06 23:17:30,841 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2019-11-06 23:17:30,842 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-11-06 23:17:30,842 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2019-11-06 23:17:30,843 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2019-11-06 23:17:30,843 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2019-11-06 23:17:30,843 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2019-11-06 23:17:30,844 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_del_entry [2019-11-06 23:17:30,844 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2019-11-06 23:17:30,845 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2019-11-06 23:17:30,846 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2019-11-06 23:17:30,846 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2019-11-06 23:17:30,846 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2019-11-06 23:17:30,846 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock [2019-11-06 23:17:30,846 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irq [2019-11-06 23:17:30,847 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2019-11-06 23:17:30,847 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock [2019-11-06 23:17:30,847 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irq [2019-11-06 23:17:30,847 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irqrestore [2019-11-06 23:17:30,847 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2019-11-06 23:17:30,847 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_printk [2019-11-06 23:17:30,847 INFO L138 BoogieDeclarations]: Found implementation of procedure ezusb_set_reset [2019-11-06 23:17:30,848 INFO L138 BoogieDeclarations]: Found implementation of procedure ezusb_writememory [2019-11-06 23:17:30,848 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2019-11-06 23:17:30,848 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2019-11-06 23:17:30,848 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value [2019-11-06 23:17:30,848 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-11-06 23:17:30,849 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undefined_pointer [2019-11-06 23:17:30,849 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2019-11-06 23:17:30,849 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2019-11-06 23:17:30,849 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2019-11-06 23:17:30,850 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2019-11-06 23:17:30,850 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2019-11-06 23:17:30,850 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait [2019-11-06 23:17:30,850 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2019-11-06 23:17:30,851 INFO L138 BoogieDeclarations]: Found implementation of procedure release_firmware [2019-11-06 23:17:30,851 INFO L138 BoogieDeclarations]: Found implementation of procedure request_firmware [2019-11-06 23:17:30,851 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout [2019-11-06 23:17:30,851 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2019-11-06 23:17:30,852 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_encode_baud_rate [2019-11-06 23:17:30,852 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_flip_buffer_push [2019-11-06 23:17:30,852 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_get_baud_rate [2019-11-06 23:17:30,853 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_insert_flip_string_fixed_flag [2019-11-06 23:17:30,853 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_kref_put [2019-11-06 23:17:30,853 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_port_tty_get [2019-11-06 23:17:30,854 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_bulk_msg [2019-11-06 23:17:30,854 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_clear_halt [2019-11-06 23:17:30,855 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_deregister [2019-11-06 23:17:30,855 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2019-11-06 23:17:30,855 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register_driver [2019-11-06 23:17:30,856 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_deregister [2019-11-06 23:17:30,856 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_port_softint [2019-11-06 23:17:30,856 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_register [2019-11-06 23:17:30,856 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2019-11-06 23:17:30,857 INFO L138 BoogieDeclarations]: Found implementation of procedure autoremove_wake_function [2019-11-06 23:17:30,857 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-11-06 23:17:30,857 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-11-06 23:17:30,857 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-11-06 23:17:30,858 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-11-06 23:17:30,858 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-06 23:17:30,865 INFO L130 BoogieDeclarations]: Found specification of procedure __arch_swab32 [2019-11-06 23:17:30,865 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2019-11-06 23:17:30,866 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2019-11-06 23:17:30,866 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2019-11-06 23:17:30,866 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2019-11-06 23:17:30,867 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2019-11-06 23:17:30,867 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2019-11-06 23:17:30,875 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-11-06 23:17:30,875 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-11-06 23:17:30,875 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2019-11-06 23:17:30,876 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-06 23:17:30,876 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2019-11-06 23:17:30,876 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2019-11-06 23:17:30,876 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-06 23:17:30,876 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2019-11-06 23:17:30,876 INFO L130 BoogieDeclarations]: Found specification of procedure __list_del_entry [2019-11-06 23:17:30,877 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2019-11-06 23:17:30,878 INFO L130 BoogieDeclarations]: Found specification of procedure list_move [2019-11-06 23:17:30,878 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2019-11-06 23:17:30,879 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2019-11-06 23:17:30,879 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2019-11-06 23:17:30,879 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock [2019-11-06 23:17:30,879 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irq [2019-11-06 23:17:30,879 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2019-11-06 23:17:30,879 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock [2019-11-06 23:17:30,880 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irq [2019-11-06 23:17:30,880 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore [2019-11-06 23:17:30,880 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2019-11-06 23:17:30,880 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2019-11-06 23:17:30,880 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2019-11-06 23:17:30,880 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2019-11-06 23:17:30,880 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2019-11-06 23:17:30,880 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2019-11-06 23:17:30,881 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2019-11-06 23:17:30,881 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2019-11-06 23:17:30,881 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait [2019-11-06 23:17:30,881 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2019-11-06 23:17:30,881 INFO L130 BoogieDeclarations]: Found specification of procedure autoremove_wake_function [2019-11-06 23:17:30,881 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2019-11-06 23:17:30,881 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2019-11-06 23:17:30,881 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2019-11-06 23:17:30,882 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2019-11-06 23:17:30,882 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2019-11-06 23:17:30,882 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-11-06 23:17:30,882 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2019-11-06 23:17:30,882 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2019-11-06 23:17:30,882 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2019-11-06 23:17:30,882 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2019-11-06 23:17:30,882 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2019-11-06 23:17:30,883 INFO L130 BoogieDeclarations]: Found specification of procedure init_module [2019-11-06 23:17:30,883 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup_module [2019-11-06 23:17:30,883 INFO L130 BoogieDeclarations]: Found specification of procedure device_private_init [2019-11-06 23:17:30,883 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2019-11-06 23:17:30,883 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2019-11-06 23:17:30,883 INFO L130 BoogieDeclarations]: Found specification of procedure dev_printk [2019-11-06 23:17:30,884 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2019-11-06 23:17:30,884 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2019-11-06 23:17:30,884 INFO L130 BoogieDeclarations]: Found specification of procedure tty_kref_put [2019-11-06 23:17:30,884 INFO L130 BoogieDeclarations]: Found specification of procedure tty_flip_buffer_push [2019-11-06 23:17:30,884 INFO L130 BoogieDeclarations]: Found specification of procedure tty_get_baud_rate [2019-11-06 23:17:30,885 INFO L130 BoogieDeclarations]: Found specification of procedure tty_encode_baud_rate [2019-11-06 23:17:30,885 INFO L130 BoogieDeclarations]: Found specification of procedure tty_port_tty_get [2019-11-06 23:17:30,885 INFO L130 BoogieDeclarations]: Found specification of procedure tty_insert_flip_string_fixed_flag [2019-11-06 23:17:30,885 INFO L130 BoogieDeclarations]: Found specification of procedure tty_insert_flip_string [2019-11-06 23:17:30,885 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout [2019-11-06 23:17:30,886 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register_driver [2019-11-06 23:17:30,886 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register [2019-11-06 23:17:30,886 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-06 23:17:30,886 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister [2019-11-06 23:17:30,886 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_bulk_urb [2019-11-06 23:17:30,887 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-06 23:17:30,887 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2019-11-06 23:17:30,887 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2019-11-06 23:17:30,887 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2019-11-06 23:17:30,887 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2019-11-06 23:17:30,888 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_coherent [2019-11-06 23:17:30,888 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_coherent [2019-11-06 23:17:30,888 INFO L130 BoogieDeclarations]: Found specification of procedure usb_bulk_msg [2019-11-06 23:17:30,888 INFO L130 BoogieDeclarations]: Found specification of procedure usb_clear_halt [2019-11-06 23:17:30,888 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2019-11-06 23:17:30,889 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-06 23:17:30,889 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_serial_port_data [2019-11-06 23:17:30,889 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_serial_port_data [2019-11-06 23:17:30,889 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_register [2019-11-06 23:17:30,889 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_deregister [2019-11-06 23:17:30,889 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_port_softint [2019-11-06 23:17:30,890 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_probe [2019-11-06 23:17:30,890 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_disconnect [2019-11-06 23:17:30,890 INFO L130 BoogieDeclarations]: Found specification of procedure ezusb_writememory [2019-11-06 23:17:30,890 INFO L130 BoogieDeclarations]: Found specification of procedure ezusb_set_reset [2019-11-06 23:17:30,890 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_debug_data [2019-11-06 23:17:30,891 INFO L130 BoogieDeclarations]: Found specification of procedure request_firmware [2019-11-06 23:17:30,891 INFO L130 BoogieDeclarations]: Found specification of procedure release_firmware [2019-11-06 23:17:30,891 INFO L130 BoogieDeclarations]: Found specification of procedure ihex_next_binrec [2019-11-06 23:17:30,891 INFO L130 BoogieDeclarations]: Found specification of procedure ihex_validate_fw [2019-11-06 23:17:30,891 INFO L130 BoogieDeclarations]: Found specification of procedure request_ihex_firmware [2019-11-06 23:17:30,891 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-06 23:17:30,892 INFO L130 BoogieDeclarations]: Found specification of procedure whiteheat_firmware_download [2019-11-06 23:17:30,892 INFO L130 BoogieDeclarations]: Found specification of procedure whiteheat_firmware_attach [2019-11-06 23:17:30,892 INFO L130 BoogieDeclarations]: Found specification of procedure whiteheat_attach [2019-11-06 23:17:30,892 INFO L130 BoogieDeclarations]: Found specification of procedure whiteheat_release [2019-11-06 23:17:30,892 INFO L130 BoogieDeclarations]: Found specification of procedure whiteheat_open [2019-11-06 23:17:30,892 INFO L130 BoogieDeclarations]: Found specification of procedure whiteheat_close [2019-11-06 23:17:30,892 INFO L130 BoogieDeclarations]: Found specification of procedure whiteheat_write [2019-11-06 23:17:30,893 INFO L130 BoogieDeclarations]: Found specification of procedure whiteheat_write_room [2019-11-06 23:17:30,893 INFO L130 BoogieDeclarations]: Found specification of procedure whiteheat_ioctl [2019-11-06 23:17:30,893 INFO L130 BoogieDeclarations]: Found specification of procedure whiteheat_set_termios [2019-11-06 23:17:30,893 INFO L130 BoogieDeclarations]: Found specification of procedure whiteheat_tiocmget [2019-11-06 23:17:30,893 INFO L130 BoogieDeclarations]: Found specification of procedure whiteheat_tiocmset [2019-11-06 23:17:30,893 INFO L130 BoogieDeclarations]: Found specification of procedure whiteheat_break_ctl [2019-11-06 23:17:30,893 INFO L130 BoogieDeclarations]: Found specification of procedure whiteheat_chars_in_buffer [2019-11-06 23:17:30,894 INFO L130 BoogieDeclarations]: Found specification of procedure whiteheat_throttle [2019-11-06 23:17:30,894 INFO L130 BoogieDeclarations]: Found specification of procedure whiteheat_unthrottle [2019-11-06 23:17:30,894 INFO L130 BoogieDeclarations]: Found specification of procedure whiteheat_read_callback [2019-11-06 23:17:30,894 INFO L130 BoogieDeclarations]: Found specification of procedure whiteheat_write_callback [2019-11-06 23:17:30,894 INFO L130 BoogieDeclarations]: Found specification of procedure start_command_port [2019-11-06 23:17:30,894 INFO L130 BoogieDeclarations]: Found specification of procedure stop_command_port [2019-11-06 23:17:30,894 INFO L130 BoogieDeclarations]: Found specification of procedure command_port_write_callback [2019-11-06 23:17:30,894 INFO L130 BoogieDeclarations]: Found specification of procedure command_port_read_callback [2019-11-06 23:17:30,895 INFO L130 BoogieDeclarations]: Found specification of procedure start_port_read [2019-11-06 23:17:30,895 INFO L130 BoogieDeclarations]: Found specification of procedure urb_to_wrap [2019-11-06 23:17:30,895 INFO L130 BoogieDeclarations]: Found specification of procedure list_first [2019-11-06 23:17:30,895 INFO L130 BoogieDeclarations]: Found specification of procedure rx_data_softint [2019-11-06 23:17:30,895 INFO L130 BoogieDeclarations]: Found specification of procedure firm_send_command [2019-11-06 23:17:30,895 INFO L130 BoogieDeclarations]: Found specification of procedure firm_open [2019-11-06 23:17:30,895 INFO L130 BoogieDeclarations]: Found specification of procedure firm_close [2019-11-06 23:17:30,897 INFO L130 BoogieDeclarations]: Found specification of procedure firm_setup_port [2019-11-06 23:17:30,902 INFO L130 BoogieDeclarations]: Found specification of procedure firm_set_rts [2019-11-06 23:17:30,902 INFO L130 BoogieDeclarations]: Found specification of procedure firm_set_dtr [2019-11-06 23:17:30,903 INFO L130 BoogieDeclarations]: Found specification of procedure firm_set_break [2019-11-06 23:17:30,903 INFO L130 BoogieDeclarations]: Found specification of procedure firm_purge [2019-11-06 23:17:30,903 INFO L130 BoogieDeclarations]: Found specification of procedure firm_get_dtr_rts [2019-11-06 23:17:30,903 INFO L130 BoogieDeclarations]: Found specification of procedure firm_report_tx_done [2019-11-06 23:17:30,903 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-11-06 23:17:30,904 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-11-06 23:17:30,907 INFO L130 BoogieDeclarations]: Found specification of procedure whiteheat_init [2019-11-06 23:17:30,908 INFO L130 BoogieDeclarations]: Found specification of procedure whiteheat_exit [2019-11-06 23:17:30,908 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-11-06 23:17:30,908 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value [2019-11-06 23:17:30,908 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-11-06 23:17:30,908 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-06 23:17:30,908 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-06 23:17:30,908 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_blast_assert [2019-11-06 23:17:30,909 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undefined_pointer [2019-11-06 23:17:30,909 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume_stop [2019-11-06 23:17:30,909 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-11-06 23:17:30,909 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-11-06 23:17:30,910 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2019-11-06 23:17:30,910 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2019-11-06 23:17:30,910 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-11-06 23:17:30,910 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-11-06 23:17:30,910 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-06 23:17:30,910 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-06 23:17:30,910 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-11-06 23:17:30,910 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-06 23:17:30,910 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2019-11-06 23:17:30,911 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2019-11-06 23:17:30,911 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-11-06 23:17:30,911 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-11-06 23:17:32,396 WARN L735 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-06 23:17:32,413 INFO L688 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##10: assume !false; [2019-11-06 23:17:32,413 INFO L688 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##9: assume false; [2019-11-06 23:17:32,427 WARN L735 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-06 23:17:32,596 INFO L688 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##12: assume !false; [2019-11-06 23:17:32,597 INFO L688 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##11: assume false; [2019-11-06 23:17:33,246 INFO L688 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_assume_stopFINAL: assume true; [2019-11-06 23:17:40,556 WARN L735 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-06 23:17:40,641 INFO L688 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##54: assume !false; [2019-11-06 23:17:40,641 INFO L688 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##53: assume false; [2019-11-06 23:17:40,973 WARN L735 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-06 23:17:41,102 INFO L688 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##8: assume !false; [2019-11-06 23:17:41,102 INFO L688 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##7: assume false; [2019-11-06 23:17:41,612 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-06 23:17:41,612 INFO L284 CfgBuilder]: Removed 104 assume(true) statements. [2019-11-06 23:17:41,614 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 11:17:41 BoogieIcfgContainer [2019-11-06 23:17:41,614 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-06 23:17:41,615 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-06 23:17:41,615 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-06 23:17:41,619 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-06 23:17:41,619 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 11:17:27" (1/3) ... [2019-11-06 23:17:41,620 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b34a59f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 11:17:41, skipping insertion in model container [2019-11-06 23:17:41,620 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:17:30" (2/3) ... [2019-11-06 23:17:41,620 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b34a59f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 11:17:41, skipping insertion in model container [2019-11-06 23:17:41,620 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 11:17:41" (3/3) ... [2019-11-06 23:17:41,625 INFO L109 eAbstractionObserver]: Analyzing ICFG usb_urb-drivers-usb-serial-whiteheat.ko.cil.out.i [2019-11-06 23:17:41,646 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-06 23:17:41,659 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-06 23:17:41,675 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-06 23:17:41,718 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-06 23:17:41,718 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-06 23:17:41,718 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-06 23:17:41,718 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-06 23:17:41,718 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-06 23:17:41,719 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-06 23:17:41,719 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-06 23:17:41,719 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-06 23:17:41,775 INFO L276 IsEmpty]: Start isEmpty. Operand 1377 states. [2019-11-06 23:17:41,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-11-06 23:17:41,783 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 23:17:41,784 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-06 23:17:41,787 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 23:17:41,794 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 23:17:41,794 INFO L82 PathProgramCache]: Analyzing trace with hash 258149490, now seen corresponding path program 1 times [2019-11-06 23:17:41,804 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-06 23:17:41,804 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [828945244] [2019-11-06 23:17:41,805 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 23:17:42,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 23:17:42,748 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-06 23:17:42,748 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [828945244] [2019-11-06 23:17:42,749 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-06 23:17:42,749 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-06 23:17:42,750 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [310164989] [2019-11-06 23:17:42,755 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-06 23:17:42,757 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-06 23:17:42,770 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-06 23:17:42,771 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-06 23:17:42,773 INFO L87 Difference]: Start difference. First operand 1377 states. Second operand 3 states. [2019-11-06 23:17:43,067 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-06 23:17:43,068 INFO L93 Difference]: Finished difference Result 3878 states and 5746 transitions. [2019-11-06 23:17:43,068 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-06 23:17:43,070 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 26 [2019-11-06 23:17:43,070 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-06 23:17:43,117 INFO L225 Difference]: With dead ends: 3878 [2019-11-06 23:17:43,117 INFO L226 Difference]: Without dead ends: 2580 [2019-11-06 23:17:43,135 INFO L630 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 [2019-11-06 23:17:43,160 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2580 states. [2019-11-06 23:17:43,395 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2580 to 2577. [2019-11-06 23:17:43,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2577 states. [2019-11-06 23:17:43,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2577 states to 2577 states and 3345 transitions. [2019-11-06 23:17:43,432 INFO L78 Accepts]: Start accepts. Automaton has 2577 states and 3345 transitions. Word has length 26 [2019-11-06 23:17:43,433 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-06 23:17:43,433 INFO L462 AbstractCegarLoop]: Abstraction has 2577 states and 3345 transitions. [2019-11-06 23:17:43,433 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-06 23:17:43,433 INFO L276 IsEmpty]: Start isEmpty. Operand 2577 states and 3345 transitions. [2019-11-06 23:17:43,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2019-11-06 23:17:43,435 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 23:17:43,435 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-06 23:17:43,436 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 23:17:43,436 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 23:17:43,436 INFO L82 PathProgramCache]: Analyzing trace with hash -588196673, now seen corresponding path program 1 times [2019-11-06 23:17:43,436 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-06 23:17:43,436 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1239711523] [2019-11-06 23:17:43,437 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 23:17:43,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 23:17:43,765 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-06 23:17:43,765 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1239711523] [2019-11-06 23:17:43,765 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-06 23:17:43,766 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-06 23:17:43,766 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1625315522] [2019-11-06 23:17:43,768 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-06 23:17:43,768 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-06 23:17:43,768 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-06 23:17:43,768 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-06 23:17:43,769 INFO L87 Difference]: Start difference. First operand 2577 states and 3345 transitions. Second operand 3 states. [2019-11-06 23:17:43,849 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-06 23:17:43,849 INFO L93 Difference]: Finished difference Result 2579 states and 3346 transitions. [2019-11-06 23:17:43,849 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-06 23:17:43,850 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 27 [2019-11-06 23:17:43,850 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-06 23:17:43,868 INFO L225 Difference]: With dead ends: 2579 [2019-11-06 23:17:43,869 INFO L226 Difference]: Without dead ends: 2564 [2019-11-06 23:17:43,871 INFO L630 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 [2019-11-06 23:17:43,876 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2564 states. [2019-11-06 23:17:43,973 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2564 to 2564. [2019-11-06 23:17:43,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2564 states. [2019-11-06 23:17:43,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2564 states to 2564 states and 3325 transitions. [2019-11-06 23:17:43,993 INFO L78 Accepts]: Start accepts. Automaton has 2564 states and 3325 transitions. Word has length 27 [2019-11-06 23:17:43,993 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-06 23:17:43,993 INFO L462 AbstractCegarLoop]: Abstraction has 2564 states and 3325 transitions. [2019-11-06 23:17:43,993 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-06 23:17:43,993 INFO L276 IsEmpty]: Start isEmpty. Operand 2564 states and 3325 transitions. [2019-11-06 23:17:44,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2019-11-06 23:17:44,008 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 23:17:44,008 INFO L410 BasicCegarLoop]: trace histogram [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] [2019-11-06 23:17:44,008 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 23:17:44,009 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 23:17:44,009 INFO L82 PathProgramCache]: Analyzing trace with hash 326481921, now seen corresponding path program 1 times [2019-11-06 23:17:44,009 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-06 23:17:44,009 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1459307856] [2019-11-06 23:17:44,010 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 23:17:44,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 23:17:44,442 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2019-11-06 23:17:44,442 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1459307856] [2019-11-06 23:17:44,443 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-06 23:17:44,443 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-11-06 23:17:44,443 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1672426244] [2019-11-06 23:17:44,445 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-06 23:17:44,446 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-06 23:17:44,446 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-06 23:17:44,447 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-11-06 23:17:44,447 INFO L87 Difference]: Start difference. First operand 2564 states and 3325 transitions. Second operand 6 states. [2019-11-06 23:17:44,723 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-06 23:17:44,724 INFO L93 Difference]: Finished difference Result 5091 states and 6608 transitions. [2019-11-06 23:17:44,724 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-06 23:17:44,724 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 124 [2019-11-06 23:17:44,725 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-06 23:17:44,760 INFO L225 Difference]: With dead ends: 5091 [2019-11-06 23:17:44,761 INFO L226 Difference]: Without dead ends: 2558 [2019-11-06 23:17:44,780 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2019-11-06 23:17:44,787 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2558 states. [2019-11-06 23:17:44,930 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2558 to 2558. [2019-11-06 23:17:44,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2558 states. [2019-11-06 23:17:44,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2558 states to 2558 states and 3315 transitions. [2019-11-06 23:17:44,952 INFO L78 Accepts]: Start accepts. Automaton has 2558 states and 3315 transitions. Word has length 124 [2019-11-06 23:17:44,952 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-06 23:17:44,952 INFO L462 AbstractCegarLoop]: Abstraction has 2558 states and 3315 transitions. [2019-11-06 23:17:44,953 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-06 23:17:44,953 INFO L276 IsEmpty]: Start isEmpty. Operand 2558 states and 3315 transitions. [2019-11-06 23:17:44,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2019-11-06 23:17:44,961 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 23:17:44,961 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 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] [2019-11-06 23:17:44,961 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 23:17:44,962 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 23:17:44,962 INFO L82 PathProgramCache]: Analyzing trace with hash -1742451383, now seen corresponding path program 1 times [2019-11-06 23:17:44,962 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-06 23:17:44,962 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019943035] [2019-11-06 23:17:44,963 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 23:17:45,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 23:17:45,459 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2019-11-06 23:17:45,460 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019943035] [2019-11-06 23:17:45,460 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-06 23:17:45,460 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-06 23:17:45,460 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1068600161] [2019-11-06 23:17:45,462 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-06 23:17:45,462 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-06 23:17:45,463 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-06 23:17:45,463 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-06 23:17:45,463 INFO L87 Difference]: Start difference. First operand 2558 states and 3315 transitions. Second operand 3 states. [2019-11-06 23:17:45,616 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-06 23:17:45,616 INFO L93 Difference]: Finished difference Result 5191 states and 6788 transitions. [2019-11-06 23:17:45,617 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-06 23:17:45,617 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 140 [2019-11-06 23:17:45,619 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-06 23:17:45,642 INFO L225 Difference]: With dead ends: 5191 [2019-11-06 23:17:45,642 INFO L226 Difference]: Without dead ends: 2667 [2019-11-06 23:17:45,654 INFO L630 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 [2019-11-06 23:17:45,660 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2667 states. [2019-11-06 23:17:45,775 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2667 to 2665. [2019-11-06 23:17:45,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2665 states. [2019-11-06 23:17:45,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2665 states to 2665 states and 3497 transitions. [2019-11-06 23:17:45,793 INFO L78 Accepts]: Start accepts. Automaton has 2665 states and 3497 transitions. Word has length 140 [2019-11-06 23:17:45,793 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-06 23:17:45,793 INFO L462 AbstractCegarLoop]: Abstraction has 2665 states and 3497 transitions. [2019-11-06 23:17:45,793 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-06 23:17:45,794 INFO L276 IsEmpty]: Start isEmpty. Operand 2665 states and 3497 transitions. [2019-11-06 23:17:45,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2019-11-06 23:17:45,801 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 23:17:45,801 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-06 23:17:45,801 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 23:17:45,802 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 23:17:45,802 INFO L82 PathProgramCache]: Analyzing trace with hash -901819236, now seen corresponding path program 1 times [2019-11-06 23:17:45,802 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-06 23:17:45,802 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1701438233] [2019-11-06 23:17:45,803 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 23:17:45,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 23:17:46,232 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2019-11-06 23:17:46,232 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1701438233] [2019-11-06 23:17:46,232 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-06 23:17:46,233 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-06 23:17:46,233 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [403885591] [2019-11-06 23:17:46,234 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-06 23:17:46,234 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-06 23:17:46,235 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-06 23:17:46,235 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-06 23:17:46,235 INFO L87 Difference]: Start difference. First operand 2665 states and 3497 transitions. Second operand 5 states. [2019-11-06 23:17:52,533 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-06 23:17:52,533 INFO L93 Difference]: Finished difference Result 3812 states and 5006 transitions. [2019-11-06 23:17:52,534 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-06 23:17:52,534 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 182 [2019-11-06 23:17:52,537 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-06 23:17:52,546 INFO L225 Difference]: With dead ends: 3812 [2019-11-06 23:17:52,547 INFO L226 Difference]: Without dead ends: 1182 [2019-11-06 23:17:52,560 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-11-06 23:17:52,563 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1182 states. [2019-11-06 23:17:52,603 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1182 to 1179. [2019-11-06 23:17:52,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1179 states. [2019-11-06 23:17:52,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1179 states to 1179 states and 1534 transitions. [2019-11-06 23:17:52,610 INFO L78 Accepts]: Start accepts. Automaton has 1179 states and 1534 transitions. Word has length 182 [2019-11-06 23:17:52,610 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-06 23:17:52,611 INFO L462 AbstractCegarLoop]: Abstraction has 1179 states and 1534 transitions. [2019-11-06 23:17:52,611 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-06 23:17:52,611 INFO L276 IsEmpty]: Start isEmpty. Operand 1179 states and 1534 transitions. [2019-11-06 23:17:52,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2019-11-06 23:17:52,625 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 23:17:52,626 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2019-11-06 23:17:52,626 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 23:17:52,626 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 23:17:52,627 INFO L82 PathProgramCache]: Analyzing trace with hash -201910166, now seen corresponding path program 1 times [2019-11-06 23:17:52,627 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-06 23:17:52,627 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2055847812] [2019-11-06 23:17:52,627 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 23:17:52,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 23:17:53,224 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2019-11-06 23:17:53,225 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2055847812] [2019-11-06 23:17:53,225 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-06 23:17:53,225 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-11-06 23:17:53,225 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1684999621] [2019-11-06 23:17:53,226 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-06 23:17:53,226 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-06 23:17:53,226 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-06 23:17:53,227 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-11-06 23:17:53,227 INFO L87 Difference]: Start difference. First operand 1179 states and 1534 transitions. Second operand 6 states. [2019-11-06 23:17:53,356 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-06 23:17:53,356 INFO L93 Difference]: Finished difference Result 2335 states and 3048 transitions. [2019-11-06 23:17:53,357 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-06 23:17:53,357 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 196 [2019-11-06 23:17:53,358 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-06 23:17:53,370 INFO L225 Difference]: With dead ends: 2335 [2019-11-06 23:17:53,370 INFO L226 Difference]: Without dead ends: 1191 [2019-11-06 23:17:53,378 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2019-11-06 23:17:53,383 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1191 states. [2019-11-06 23:17:53,437 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1191 to 1185. [2019-11-06 23:17:53,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1185 states. [2019-11-06 23:17:53,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1185 states to 1185 states and 1541 transitions. [2019-11-06 23:17:53,445 INFO L78 Accepts]: Start accepts. Automaton has 1185 states and 1541 transitions. Word has length 196 [2019-11-06 23:17:53,445 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-06 23:17:53,445 INFO L462 AbstractCegarLoop]: Abstraction has 1185 states and 1541 transitions. [2019-11-06 23:17:53,446 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-06 23:17:53,446 INFO L276 IsEmpty]: Start isEmpty. Operand 1185 states and 1541 transitions. [2019-11-06 23:17:53,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2019-11-06 23:17:53,457 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 23:17:53,457 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2019-11-06 23:17:53,458 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 23:17:53,458 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 23:17:53,458 INFO L82 PathProgramCache]: Analyzing trace with hash -286571097, now seen corresponding path program 1 times [2019-11-06 23:17:53,459 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-06 23:17:53,459 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1627038452] [2019-11-06 23:17:53,459 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 23:17:53,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 23:17:54,038 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2019-11-06 23:17:54,038 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1627038452] [2019-11-06 23:17:54,039 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-06 23:17:54,039 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-11-06 23:17:54,039 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1052203009] [2019-11-06 23:17:54,040 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-06 23:17:54,040 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-06 23:17:54,040 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-06 23:17:54,040 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2019-11-06 23:17:54,041 INFO L87 Difference]: Start difference. First operand 1185 states and 1541 transitions. Second operand 7 states.