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-3.0/usb_urb-drivers-usb-serial-whiteheat.ko.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-efa34d5 [2019-09-16 17:10:52,110 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-16 17:10:52,112 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-16 17:10:52,124 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-16 17:10:52,125 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-16 17:10:52,126 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-16 17:10:52,127 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-16 17:10:52,129 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-16 17:10:52,131 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-16 17:10:52,132 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-16 17:10:52,133 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-16 17:10:52,134 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-16 17:10:52,134 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-16 17:10:52,135 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-16 17:10:52,136 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-16 17:10:52,137 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-16 17:10:52,138 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-16 17:10:52,139 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-16 17:10:52,141 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-16 17:10:52,143 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-16 17:10:52,144 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-16 17:10:52,145 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-16 17:10:52,146 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-16 17:10:52,147 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-16 17:10:52,149 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-16 17:10:52,150 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-16 17:10:52,150 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-16 17:10:52,151 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-16 17:10:52,151 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-16 17:10:52,152 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-16 17:10:52,152 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-16 17:10:52,153 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-16 17:10:52,154 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-16 17:10:52,155 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-16 17:10:52,156 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-16 17:10:52,156 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-16 17:10:52,157 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-16 17:10:52,157 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-16 17:10:52,157 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-16 17:10:52,158 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-16 17:10:52,159 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-16 17:10:52,159 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 [2019-09-16 17:10:52,174 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-16 17:10:52,175 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-16 17:10:52,175 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-16 17:10:52,175 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-16 17:10:52,176 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-16 17:10:52,176 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-16 17:10:52,177 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-16 17:10:52,177 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-16 17:10:52,177 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-16 17:10:52,177 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-16 17:10:52,178 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-16 17:10:52,178 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-16 17:10:52,179 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-16 17:10:52,179 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-16 17:10:52,179 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-16 17:10:52,179 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-16 17:10:52,179 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-16 17:10:52,180 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-16 17:10:52,180 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-16 17:10:52,180 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-16 17:10:52,180 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-16 17:10:52,181 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-16 17:10:52,181 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-16 17:10:52,181 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-16 17:10:52,181 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-16 17:10:52,181 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-16 17:10:52,182 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-16 17:10:52,182 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-16 17:10:52,182 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-16 17:10:52,182 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-16 17:10:52,211 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-16 17:10:52,224 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-16 17:10:52,228 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-16 17:10:52,229 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-16 17:10:52,230 INFO L275 PluginConnector]: CDTParser initialized [2019-09-16 17:10:52,230 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.0/usb_urb-drivers-usb-serial-whiteheat.ko.cil.out.i [2019-09-16 17:10:52,307 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9e3bda37d/e0a289fef47c4a50af17b7a284cc5081/FLAG5a4b7fc23 [2019-09-16 17:10:53,169 INFO L306 CDTParser]: Found 1 translation units. [2019-09-16 17:10:53,170 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-3.0/usb_urb-drivers-usb-serial-whiteheat.ko.cil.out.i [2019-09-16 17:10:53,218 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9e3bda37d/e0a289fef47c4a50af17b7a284cc5081/FLAG5a4b7fc23 [2019-09-16 17:10:53,699 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9e3bda37d/e0a289fef47c4a50af17b7a284cc5081 [2019-09-16 17:10:53,709 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-16 17:10:53,711 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-16 17:10:53,712 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-16 17:10:53,712 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-16 17:10:53,716 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-16 17:10:53,717 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.09 05:10:53" (1/1) ... [2019-09-16 17:10:53,719 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11c6d408 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:10:53, skipping insertion in model container [2019-09-16 17:10:53,720 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.09 05:10:53" (1/1) ... [2019-09-16 17:10:53,727 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-16 17:10:53,870 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-16 17:10:55,786 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-16 17:10:55,862 INFO L188 MainTranslator]: Completed pre-run [2019-09-16 17:10:56,147 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-16 17:10:56,394 INFO L192 MainTranslator]: Completed translation [2019-09-16 17:10:56,395 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:10:56 WrapperNode [2019-09-16 17:10:56,395 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-16 17:10:56,396 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-16 17:10:56,396 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-16 17:10:56,396 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-16 17:10:56,419 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:10:56" (1/1) ... [2019-09-16 17:10:56,419 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:10:56" (1/1) ... [2019-09-16 17:10:56,483 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:10:56" (1/1) ... [2019-09-16 17:10:56,484 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:10:56" (1/1) ... [2019-09-16 17:10:56,643 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:10:56" (1/1) ... [2019-09-16 17:10:56,716 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:10:56" (1/1) ... [2019-09-16 17:10:56,764 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:10:56" (1/1) ... [2019-09-16 17:10:56,799 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-16 17:10:56,801 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-16 17:10:56,801 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-16 17:10:56,801 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-16 17:10:56,803 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:10:56" (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 [2019-09-16 17:10:56,895 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-16 17:10:56,896 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-16 17:10:56,896 INFO L138 BoogieDeclarations]: Found implementation of procedure __arch_swab32 [2019-09-16 17:10:56,896 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2019-09-16 17:10:56,896 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2019-09-16 17:10:56,897 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2019-09-16 17:10:56,897 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2019-09-16 17:10:56,897 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2019-09-16 17:10:56,897 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2019-09-16 17:10:56,897 INFO L138 BoogieDeclarations]: Found implementation of procedure list_move [2019-09-16 17:10:56,898 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2019-09-16 17:10:56,899 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2019-09-16 17:10:56,899 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2019-09-16 17:10:56,900 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2019-09-16 17:10:56,900 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2019-09-16 17:10:56,901 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2019-09-16 17:10:56,901 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2019-09-16 17:10:56,901 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2019-09-16 17:10:56,902 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2019-09-16 17:10:56,902 INFO L138 BoogieDeclarations]: Found implementation of procedure device_private_init [2019-09-16 17:10:56,902 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2019-09-16 17:10:56,902 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2019-09-16 17:10:56,902 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_insert_flip_string [2019-09-16 17:10:56,903 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register [2019-09-16 17:10:56,903 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_bulk_urb [2019-09-16 17:10:56,904 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2019-09-16 17:10:56,904 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_serial_port_data [2019-09-16 17:10:56,904 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_serial_port_data [2019-09-16 17:10:56,904 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_debug_data [2019-09-16 17:10:56,904 INFO L138 BoogieDeclarations]: Found implementation of procedure ihex_next_binrec [2019-09-16 17:10:56,904 INFO L138 BoogieDeclarations]: Found implementation of procedure ihex_validate_fw [2019-09-16 17:10:56,905 INFO L138 BoogieDeclarations]: Found implementation of procedure request_ihex_firmware [2019-09-16 17:10:56,905 INFO L138 BoogieDeclarations]: Found implementation of procedure whiteheat_firmware_download [2019-09-16 17:10:56,905 INFO L138 BoogieDeclarations]: Found implementation of procedure whiteheat_firmware_attach [2019-09-16 17:10:56,905 INFO L138 BoogieDeclarations]: Found implementation of procedure whiteheat_attach [2019-09-16 17:10:56,905 INFO L138 BoogieDeclarations]: Found implementation of procedure whiteheat_release [2019-09-16 17:10:56,906 INFO L138 BoogieDeclarations]: Found implementation of procedure whiteheat_open [2019-09-16 17:10:56,906 INFO L138 BoogieDeclarations]: Found implementation of procedure whiteheat_close [2019-09-16 17:10:56,906 INFO L138 BoogieDeclarations]: Found implementation of procedure whiteheat_write [2019-09-16 17:10:56,906 INFO L138 BoogieDeclarations]: Found implementation of procedure whiteheat_write_room [2019-09-16 17:10:56,907 INFO L138 BoogieDeclarations]: Found implementation of procedure whiteheat_tiocmget [2019-09-16 17:10:56,907 INFO L138 BoogieDeclarations]: Found implementation of procedure whiteheat_tiocmset [2019-09-16 17:10:56,907 INFO L138 BoogieDeclarations]: Found implementation of procedure whiteheat_ioctl [2019-09-16 17:10:56,907 INFO L138 BoogieDeclarations]: Found implementation of procedure whiteheat_set_termios [2019-09-16 17:10:56,907 INFO L138 BoogieDeclarations]: Found implementation of procedure whiteheat_break_ctl [2019-09-16 17:10:56,907 INFO L138 BoogieDeclarations]: Found implementation of procedure whiteheat_chars_in_buffer [2019-09-16 17:10:56,907 INFO L138 BoogieDeclarations]: Found implementation of procedure whiteheat_throttle [2019-09-16 17:10:56,908 INFO L138 BoogieDeclarations]: Found implementation of procedure whiteheat_unthrottle [2019-09-16 17:10:56,908 INFO L138 BoogieDeclarations]: Found implementation of procedure command_port_write_callback [2019-09-16 17:10:56,908 INFO L138 BoogieDeclarations]: Found implementation of procedure command_port_read_callback [2019-09-16 17:10:56,908 INFO L138 BoogieDeclarations]: Found implementation of procedure whiteheat_read_callback [2019-09-16 17:10:56,908 INFO L138 BoogieDeclarations]: Found implementation of procedure whiteheat_write_callback [2019-09-16 17:10:56,908 INFO L138 BoogieDeclarations]: Found implementation of procedure firm_send_command [2019-09-16 17:10:56,908 INFO L138 BoogieDeclarations]: Found implementation of procedure firm_open [2019-09-16 17:10:56,909 INFO L138 BoogieDeclarations]: Found implementation of procedure firm_close [2019-09-16 17:10:56,909 INFO L138 BoogieDeclarations]: Found implementation of procedure firm_setup_port [2019-09-16 17:10:56,909 INFO L138 BoogieDeclarations]: Found implementation of procedure firm_set_rts [2019-09-16 17:10:56,909 INFO L138 BoogieDeclarations]: Found implementation of procedure firm_set_dtr [2019-09-16 17:10:56,909 INFO L138 BoogieDeclarations]: Found implementation of procedure firm_set_break [2019-09-16 17:10:56,909 INFO L138 BoogieDeclarations]: Found implementation of procedure firm_purge [2019-09-16 17:10:56,909 INFO L138 BoogieDeclarations]: Found implementation of procedure firm_get_dtr_rts [2019-09-16 17:10:56,910 INFO L138 BoogieDeclarations]: Found implementation of procedure firm_report_tx_done [2019-09-16 17:10:56,910 INFO L138 BoogieDeclarations]: Found implementation of procedure start_command_port [2019-09-16 17:10:56,910 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_command_port [2019-09-16 17:10:56,910 INFO L138 BoogieDeclarations]: Found implementation of procedure start_port_read [2019-09-16 17:10:56,911 INFO L138 BoogieDeclarations]: Found implementation of procedure urb_to_wrap [2019-09-16 17:10:56,911 INFO L138 BoogieDeclarations]: Found implementation of procedure list_first [2019-09-16 17:10:56,911 INFO L138 BoogieDeclarations]: Found implementation of procedure rx_data_softint [2019-09-16 17:10:56,911 INFO L138 BoogieDeclarations]: Found implementation of procedure whiteheat_init [2019-09-16 17:10:56,911 INFO L138 BoogieDeclarations]: Found implementation of procedure whiteheat_exit [2019-09-16 17:10:56,911 INFO L138 BoogieDeclarations]: Found implementation of procedure init_module [2019-09-16 17:10:56,912 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup_module [2019-09-16 17:10:56,912 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-16 17:10:56,912 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_blast_assert [2019-09-16 17:10:56,913 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume_stop [2019-09-16 17:10:56,913 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_coherent [2019-09-16 17:10:56,913 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_coherent [2019-09-16 17:10:56,913 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2019-09-16 17:10:56,913 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2019-09-16 17:10:56,914 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-09-16 17:10:56,914 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2019-09-16 17:10:56,914 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2019-09-16 17:10:56,914 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2019-09-16 17:10:56,915 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2019-09-16 17:10:56,915 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_del_entry [2019-09-16 17:10:56,916 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2019-09-16 17:10:56,916 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2019-09-16 17:10:56,917 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2019-09-16 17:10:56,917 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2019-09-16 17:10:56,917 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2019-09-16 17:10:56,917 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock [2019-09-16 17:10:56,917 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irq [2019-09-16 17:10:56,917 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2019-09-16 17:10:56,917 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock [2019-09-16 17:10:56,918 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irq [2019-09-16 17:10:56,918 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irqrestore [2019-09-16 17:10:56,918 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2019-09-16 17:10:56,918 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_printk [2019-09-16 17:10:56,918 INFO L138 BoogieDeclarations]: Found implementation of procedure ezusb_set_reset [2019-09-16 17:10:56,918 INFO L138 BoogieDeclarations]: Found implementation of procedure ezusb_writememory [2019-09-16 17:10:56,918 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2019-09-16 17:10:56,919 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2019-09-16 17:10:56,919 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value [2019-09-16 17:10:56,919 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-09-16 17:10:56,919 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undefined_pointer [2019-09-16 17:10:56,919 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2019-09-16 17:10:56,919 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2019-09-16 17:10:56,919 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2019-09-16 17:10:56,920 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2019-09-16 17:10:56,920 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2019-09-16 17:10:56,920 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait [2019-09-16 17:10:56,920 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2019-09-16 17:10:56,920 INFO L138 BoogieDeclarations]: Found implementation of procedure release_firmware [2019-09-16 17:10:56,920 INFO L138 BoogieDeclarations]: Found implementation of procedure request_firmware [2019-09-16 17:10:56,921 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout [2019-09-16 17:10:56,921 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2019-09-16 17:10:56,921 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_encode_baud_rate [2019-09-16 17:10:56,921 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_flip_buffer_push [2019-09-16 17:10:56,922 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_get_baud_rate [2019-09-16 17:10:56,922 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_insert_flip_string_fixed_flag [2019-09-16 17:10:56,923 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_kref_put [2019-09-16 17:10:56,923 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_port_tty_get [2019-09-16 17:10:56,923 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_bulk_msg [2019-09-16 17:10:56,924 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_clear_halt [2019-09-16 17:10:56,924 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_deregister [2019-09-16 17:10:56,924 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2019-09-16 17:10:56,924 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register_driver [2019-09-16 17:10:56,924 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_deregister [2019-09-16 17:10:56,924 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_port_softint [2019-09-16 17:10:56,925 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_register [2019-09-16 17:10:56,925 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2019-09-16 17:10:56,925 INFO L138 BoogieDeclarations]: Found implementation of procedure autoremove_wake_function [2019-09-16 17:10:56,925 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-09-16 17:10:56,926 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-09-16 17:10:56,926 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-09-16 17:10:56,926 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-09-16 17:10:56,926 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-16 17:10:56,927 INFO L130 BoogieDeclarations]: Found specification of procedure __arch_swab32 [2019-09-16 17:10:56,927 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2019-09-16 17:10:56,931 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2019-09-16 17:10:56,932 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2019-09-16 17:10:56,932 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2019-09-16 17:10:56,932 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2019-09-16 17:10:56,938 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2019-09-16 17:10:56,938 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-09-16 17:10:56,938 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-09-16 17:10:56,938 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2019-09-16 17:10:56,938 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-16 17:10:56,939 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2019-09-16 17:10:56,939 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2019-09-16 17:10:56,939 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-16 17:10:56,939 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2019-09-16 17:10:56,940 INFO L130 BoogieDeclarations]: Found specification of procedure __list_del_entry [2019-09-16 17:10:56,940 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2019-09-16 17:10:56,941 INFO L130 BoogieDeclarations]: Found specification of procedure list_move [2019-09-16 17:10:56,941 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2019-09-16 17:10:56,941 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2019-09-16 17:10:56,941 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2019-09-16 17:10:56,941 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock [2019-09-16 17:10:56,941 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irq [2019-09-16 17:10:56,941 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2019-09-16 17:10:56,942 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock [2019-09-16 17:10:56,942 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irq [2019-09-16 17:10:56,942 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore [2019-09-16 17:10:56,942 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2019-09-16 17:10:56,942 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2019-09-16 17:10:56,942 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2019-09-16 17:10:56,942 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2019-09-16 17:10:56,942 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2019-09-16 17:10:56,943 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2019-09-16 17:10:56,943 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2019-09-16 17:10:56,943 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2019-09-16 17:10:56,943 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait [2019-09-16 17:10:56,943 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2019-09-16 17:10:56,943 INFO L130 BoogieDeclarations]: Found specification of procedure autoremove_wake_function [2019-09-16 17:10:56,943 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2019-09-16 17:10:56,943 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2019-09-16 17:10:56,944 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2019-09-16 17:10:56,944 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2019-09-16 17:10:56,944 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2019-09-16 17:10:56,944 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-09-16 17:10:56,944 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2019-09-16 17:10:56,944 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2019-09-16 17:10:56,944 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2019-09-16 17:10:56,944 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2019-09-16 17:10:56,945 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2019-09-16 17:10:56,945 INFO L130 BoogieDeclarations]: Found specification of procedure init_module [2019-09-16 17:10:56,945 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup_module [2019-09-16 17:10:56,945 INFO L130 BoogieDeclarations]: Found specification of procedure device_private_init [2019-09-16 17:10:56,945 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2019-09-16 17:10:56,945 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2019-09-16 17:10:56,945 INFO L130 BoogieDeclarations]: Found specification of procedure dev_printk [2019-09-16 17:10:56,946 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2019-09-16 17:10:56,946 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2019-09-16 17:10:56,946 INFO L130 BoogieDeclarations]: Found specification of procedure tty_kref_put [2019-09-16 17:10:56,946 INFO L130 BoogieDeclarations]: Found specification of procedure tty_flip_buffer_push [2019-09-16 17:10:56,946 INFO L130 BoogieDeclarations]: Found specification of procedure tty_get_baud_rate [2019-09-16 17:10:56,947 INFO L130 BoogieDeclarations]: Found specification of procedure tty_encode_baud_rate [2019-09-16 17:10:56,947 INFO L130 BoogieDeclarations]: Found specification of procedure tty_port_tty_get [2019-09-16 17:10:56,947 INFO L130 BoogieDeclarations]: Found specification of procedure tty_insert_flip_string_fixed_flag [2019-09-16 17:10:56,947 INFO L130 BoogieDeclarations]: Found specification of procedure tty_insert_flip_string [2019-09-16 17:10:56,947 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout [2019-09-16 17:10:56,947 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register_driver [2019-09-16 17:10:56,947 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register [2019-09-16 17:10:56,948 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-16 17:10:56,948 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister [2019-09-16 17:10:56,948 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_bulk_urb [2019-09-16 17:10:56,948 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-16 17:10:56,948 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2019-09-16 17:10:56,948 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2019-09-16 17:10:56,948 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2019-09-16 17:10:56,949 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2019-09-16 17:10:56,949 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_coherent [2019-09-16 17:10:56,949 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_coherent [2019-09-16 17:10:56,949 INFO L130 BoogieDeclarations]: Found specification of procedure usb_bulk_msg [2019-09-16 17:10:56,949 INFO L130 BoogieDeclarations]: Found specification of procedure usb_clear_halt [2019-09-16 17:10:56,949 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2019-09-16 17:10:56,950 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-16 17:10:56,950 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_serial_port_data [2019-09-16 17:10:56,950 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_serial_port_data [2019-09-16 17:10:56,950 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_register [2019-09-16 17:10:56,950 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_deregister [2019-09-16 17:10:56,950 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_port_softint [2019-09-16 17:10:56,950 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_probe [2019-09-16 17:10:56,951 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_disconnect [2019-09-16 17:10:56,951 INFO L130 BoogieDeclarations]: Found specification of procedure ezusb_writememory [2019-09-16 17:10:56,951 INFO L130 BoogieDeclarations]: Found specification of procedure ezusb_set_reset [2019-09-16 17:10:56,951 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_debug_data [2019-09-16 17:10:56,951 INFO L130 BoogieDeclarations]: Found specification of procedure request_firmware [2019-09-16 17:10:56,951 INFO L130 BoogieDeclarations]: Found specification of procedure release_firmware [2019-09-16 17:10:56,951 INFO L130 BoogieDeclarations]: Found specification of procedure ihex_next_binrec [2019-09-16 17:10:56,952 INFO L130 BoogieDeclarations]: Found specification of procedure ihex_validate_fw [2019-09-16 17:10:56,952 INFO L130 BoogieDeclarations]: Found specification of procedure request_ihex_firmware [2019-09-16 17:10:56,952 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-16 17:10:56,952 INFO L130 BoogieDeclarations]: Found specification of procedure whiteheat_firmware_download [2019-09-16 17:10:56,952 INFO L130 BoogieDeclarations]: Found specification of procedure whiteheat_firmware_attach [2019-09-16 17:10:56,952 INFO L130 BoogieDeclarations]: Found specification of procedure whiteheat_attach [2019-09-16 17:10:56,952 INFO L130 BoogieDeclarations]: Found specification of procedure whiteheat_release [2019-09-16 17:10:56,953 INFO L130 BoogieDeclarations]: Found specification of procedure whiteheat_open [2019-09-16 17:10:56,953 INFO L130 BoogieDeclarations]: Found specification of procedure whiteheat_close [2019-09-16 17:10:56,953 INFO L130 BoogieDeclarations]: Found specification of procedure whiteheat_write [2019-09-16 17:10:56,953 INFO L130 BoogieDeclarations]: Found specification of procedure whiteheat_write_room [2019-09-16 17:10:56,953 INFO L130 BoogieDeclarations]: Found specification of procedure whiteheat_ioctl [2019-09-16 17:10:56,953 INFO L130 BoogieDeclarations]: Found specification of procedure whiteheat_set_termios [2019-09-16 17:10:56,953 INFO L130 BoogieDeclarations]: Found specification of procedure whiteheat_tiocmget [2019-09-16 17:10:56,954 INFO L130 BoogieDeclarations]: Found specification of procedure whiteheat_tiocmset [2019-09-16 17:10:56,954 INFO L130 BoogieDeclarations]: Found specification of procedure whiteheat_break_ctl [2019-09-16 17:10:56,954 INFO L130 BoogieDeclarations]: Found specification of procedure whiteheat_chars_in_buffer [2019-09-16 17:10:56,954 INFO L130 BoogieDeclarations]: Found specification of procedure whiteheat_throttle [2019-09-16 17:10:56,954 INFO L130 BoogieDeclarations]: Found specification of procedure whiteheat_unthrottle [2019-09-16 17:10:56,954 INFO L130 BoogieDeclarations]: Found specification of procedure whiteheat_read_callback [2019-09-16 17:10:56,954 INFO L130 BoogieDeclarations]: Found specification of procedure whiteheat_write_callback [2019-09-16 17:10:56,954 INFO L130 BoogieDeclarations]: Found specification of procedure start_command_port [2019-09-16 17:10:56,955 INFO L130 BoogieDeclarations]: Found specification of procedure stop_command_port [2019-09-16 17:10:56,955 INFO L130 BoogieDeclarations]: Found specification of procedure command_port_write_callback [2019-09-16 17:10:56,955 INFO L130 BoogieDeclarations]: Found specification of procedure command_port_read_callback [2019-09-16 17:10:56,955 INFO L130 BoogieDeclarations]: Found specification of procedure start_port_read [2019-09-16 17:10:56,955 INFO L130 BoogieDeclarations]: Found specification of procedure urb_to_wrap [2019-09-16 17:10:56,955 INFO L130 BoogieDeclarations]: Found specification of procedure list_first [2019-09-16 17:10:56,955 INFO L130 BoogieDeclarations]: Found specification of procedure rx_data_softint [2019-09-16 17:10:56,956 INFO L130 BoogieDeclarations]: Found specification of procedure firm_send_command [2019-09-16 17:10:56,956 INFO L130 BoogieDeclarations]: Found specification of procedure firm_open [2019-09-16 17:10:56,956 INFO L130 BoogieDeclarations]: Found specification of procedure firm_close [2019-09-16 17:10:56,956 INFO L130 BoogieDeclarations]: Found specification of procedure firm_setup_port [2019-09-16 17:10:56,956 INFO L130 BoogieDeclarations]: Found specification of procedure firm_set_rts [2019-09-16 17:10:56,957 INFO L130 BoogieDeclarations]: Found specification of procedure firm_set_dtr [2019-09-16 17:10:56,961 INFO L130 BoogieDeclarations]: Found specification of procedure firm_set_break [2019-09-16 17:10:56,961 INFO L130 BoogieDeclarations]: Found specification of procedure firm_purge [2019-09-16 17:10:56,961 INFO L130 BoogieDeclarations]: Found specification of procedure firm_get_dtr_rts [2019-09-16 17:10:56,961 INFO L130 BoogieDeclarations]: Found specification of procedure firm_report_tx_done [2019-09-16 17:10:56,962 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-09-16 17:10:56,964 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-09-16 17:10:56,964 INFO L130 BoogieDeclarations]: Found specification of procedure whiteheat_init [2019-09-16 17:10:56,964 INFO L130 BoogieDeclarations]: Found specification of procedure whiteheat_exit [2019-09-16 17:10:56,964 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-09-16 17:10:56,964 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value [2019-09-16 17:10:56,964 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-09-16 17:10:56,965 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-16 17:10:56,965 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-16 17:10:56,965 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_blast_assert [2019-09-16 17:10:56,965 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undefined_pointer [2019-09-16 17:10:56,965 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume_stop [2019-09-16 17:10:56,965 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-09-16 17:10:56,965 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-09-16 17:10:56,966 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2019-09-16 17:10:56,966 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2019-09-16 17:10:56,966 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-09-16 17:10:56,966 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-16 17:10:56,966 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-16 17:10:56,966 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-16 17:10:56,966 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-09-16 17:10:56,966 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-16 17:10:56,966 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-09-16 17:10:56,967 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-09-16 17:10:56,967 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2019-09-16 17:10:56,967 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2019-09-16 17:10:58,908 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-16 17:10:58,929 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##10: assume !false; [2019-09-16 17:10:58,929 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##9: assume false; [2019-09-16 17:10:58,945 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-16 17:10:59,215 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##12: assume !false; [2019-09-16 17:10:59,216 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##11: assume false; [2019-09-16 17:10:59,852 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_assume_stopFINAL: assume true; [2019-09-16 17:11:07,905 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-16 17:11:08,045 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##54: assume !false; [2019-09-16 17:11:08,046 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##53: assume false; [2019-09-16 17:11:08,558 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-16 17:11:08,787 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##8: assume !false; [2019-09-16 17:11:08,788 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##7: assume false; [2019-09-16 17:11:09,396 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-16 17:11:09,396 INFO L283 CfgBuilder]: Removed 104 assume(true) statements. [2019-09-16 17:11:09,399 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.09 05:11:09 BoogieIcfgContainer [2019-09-16 17:11:09,399 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-16 17:11:09,404 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-16 17:11:09,404 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-16 17:11:09,408 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-16 17:11:09,408 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.09 05:10:53" (1/3) ... [2019-09-16 17:11:09,410 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@32dd03ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.09 05:11:09, skipping insertion in model container [2019-09-16 17:11:09,410 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:10:56" (2/3) ... [2019-09-16 17:11:09,410 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@32dd03ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.09 05:11:09, skipping insertion in model container [2019-09-16 17:11:09,410 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.09 05:11:09" (3/3) ... [2019-09-16 17:11:09,414 INFO L109 eAbstractionObserver]: Analyzing ICFG usb_urb-drivers-usb-serial-whiteheat.ko.cil.out.i [2019-09-16 17:11:09,424 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-16 17:11:09,437 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-16 17:11:09,457 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-16 17:11:09,489 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-16 17:11:09,489 INFO L378 AbstractCegarLoop]: Hoare is false [2019-09-16 17:11:09,490 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-16 17:11:09,490 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-16 17:11:09,490 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-16 17:11:09,490 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-16 17:11:09,490 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-16 17:11:09,490 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-16 17:11:09,544 INFO L276 IsEmpty]: Start isEmpty. Operand 1377 states. [2019-09-16 17:11:09,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-09-16 17:11:09,558 INFO L399 BasicCegarLoop]: Found error trace [2019-09-16 17:11:09,559 INFO L407 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] [2019-09-16 17:11:09,562 INFO L418 AbstractCegarLoop]: === Iteration 1 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-16 17:11:09,568 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-16 17:11:09,568 INFO L82 PathProgramCache]: Analyzing trace with hash 991509585, now seen corresponding path program 1 times [2019-09-16 17:11:09,571 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-16 17:11:09,681 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 17:11:09,681 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 17:11:09,681 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 17:11:09,681 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-16 17:11:10,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 17:11:10,588 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-16 17:11:10,590 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-16 17:11:10,591 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-16 17:11:10,591 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-16 17:11:10,595 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-16 17:11:10,610 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-16 17:11:10,611 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-16 17:11:10,612 INFO L87 Difference]: Start difference. First operand 1377 states. Second operand 3 states. [2019-09-16 17:11:10,863 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-16 17:11:10,863 INFO L93 Difference]: Finished difference Result 2589 states and 3359 transitions. [2019-09-16 17:11:10,864 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-16 17:11:10,865 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 26 [2019-09-16 17:11:10,866 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-16 17:11:10,915 INFO L225 Difference]: With dead ends: 2589 [2019-09-16 17:11:10,915 INFO L226 Difference]: Without dead ends: 2578 [2019-09-16 17:11:10,917 INFO L636 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 [2019-09-16 17:11:10,945 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2578 states. [2019-09-16 17:11:11,163 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2578 to 2575. [2019-09-16 17:11:11,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2575 states. [2019-09-16 17:11:11,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2575 states to 2575 states and 3343 transitions. [2019-09-16 17:11:11,190 INFO L78 Accepts]: Start accepts. Automaton has 2575 states and 3343 transitions. Word has length 26 [2019-09-16 17:11:11,191 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-16 17:11:11,191 INFO L475 AbstractCegarLoop]: Abstraction has 2575 states and 3343 transitions. [2019-09-16 17:11:11,191 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-16 17:11:11,191 INFO L276 IsEmpty]: Start isEmpty. Operand 2575 states and 3343 transitions. [2019-09-16 17:11:11,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2019-09-16 17:11:11,194 INFO L399 BasicCegarLoop]: Found error trace [2019-09-16 17:11:11,194 INFO L407 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] [2019-09-16 17:11:11,194 INFO L418 AbstractCegarLoop]: === Iteration 2 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-16 17:11:11,194 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-16 17:11:11,195 INFO L82 PathProgramCache]: Analyzing trace with hash 671129793, now seen corresponding path program 1 times [2019-09-16 17:11:11,195 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-16 17:11:11,224 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 17:11:11,224 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 17:11:11,224 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 17:11:11,224 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-16 17:11:11,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 17:11:11,656 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-16 17:11:11,656 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-16 17:11:11,657 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-16 17:11:11,657 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-16 17:11:11,659 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-16 17:11:11,659 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-16 17:11:11,660 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-16 17:11:11,660 INFO L87 Difference]: Start difference. First operand 2575 states and 3343 transitions. Second operand 3 states. [2019-09-16 17:11:11,714 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-16 17:11:11,714 INFO L93 Difference]: Finished difference Result 2574 states and 3341 transitions. [2019-09-16 17:11:11,714 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-16 17:11:11,714 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 27 [2019-09-16 17:11:11,715 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-16 17:11:11,732 INFO L225 Difference]: With dead ends: 2574 [2019-09-16 17:11:11,733 INFO L226 Difference]: Without dead ends: 2562 [2019-09-16 17:11:11,734 INFO L636 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 [2019-09-16 17:11:11,739 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2562 states. [2019-09-16 17:11:11,889 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2562 to 2562. [2019-09-16 17:11:11,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2562 states. [2019-09-16 17:11:11,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2562 states to 2562 states and 3323 transitions. [2019-09-16 17:11:11,911 INFO L78 Accepts]: Start accepts. Automaton has 2562 states and 3323 transitions. Word has length 27 [2019-09-16 17:11:11,912 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-16 17:11:11,912 INFO L475 AbstractCegarLoop]: Abstraction has 2562 states and 3323 transitions. [2019-09-16 17:11:11,912 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-16 17:11:11,912 INFO L276 IsEmpty]: Start isEmpty. Operand 2562 states and 3323 transitions. [2019-09-16 17:11:11,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2019-09-16 17:11:11,934 INFO L399 BasicCegarLoop]: Found error trace [2019-09-16 17:11:11,935 INFO L407 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] [2019-09-16 17:11:11,935 INFO L418 AbstractCegarLoop]: === Iteration 3 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-16 17:11:11,936 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-16 17:11:11,936 INFO L82 PathProgramCache]: Analyzing trace with hash 1820724768, now seen corresponding path program 1 times [2019-09-16 17:11:11,936 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-16 17:11:11,952 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 17:11:11,953 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 17:11:11,953 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 17:11:11,953 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-16 17:11:12,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 17:11:12,387 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2019-09-16 17:11:12,387 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-16 17:11:12,388 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-09-16 17:11:12,388 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-16 17:11:12,390 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-09-16 17:11:12,391 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-09-16 17:11:12,391 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-09-16 17:11:12,392 INFO L87 Difference]: Start difference. First operand 2562 states and 3323 transitions. Second operand 6 states. [2019-09-16 17:11:12,504 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-16 17:11:12,505 INFO L93 Difference]: Finished difference Result 2566 states and 3326 transitions. [2019-09-16 17:11:12,505 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-09-16 17:11:12,505 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 124 [2019-09-16 17:11:12,506 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-16 17:11:12,524 INFO L225 Difference]: With dead ends: 2566 [2019-09-16 17:11:12,525 INFO L226 Difference]: Without dead ends: 2556 [2019-09-16 17:11:12,525 INFO L636 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 [2019-09-16 17:11:12,531 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2556 states. [2019-09-16 17:11:12,603 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2556 to 2556. [2019-09-16 17:11:12,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2556 states. [2019-09-16 17:11:12,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2556 states to 2556 states and 3313 transitions. [2019-09-16 17:11:12,624 INFO L78 Accepts]: Start accepts. Automaton has 2556 states and 3313 transitions. Word has length 124 [2019-09-16 17:11:12,625 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-16 17:11:12,625 INFO L475 AbstractCegarLoop]: Abstraction has 2556 states and 3313 transitions. [2019-09-16 17:11:12,625 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-09-16 17:11:12,625 INFO L276 IsEmpty]: Start isEmpty. Operand 2556 states and 3313 transitions. [2019-09-16 17:11:12,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2019-09-16 17:11:12,640 INFO L399 BasicCegarLoop]: Found error trace [2019-09-16 17:11:12,641 INFO L407 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] [2019-09-16 17:11:12,641 INFO L418 AbstractCegarLoop]: === Iteration 4 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-16 17:11:12,641 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-16 17:11:12,642 INFO L82 PathProgramCache]: Analyzing trace with hash -1926011288, now seen corresponding path program 1 times [2019-09-16 17:11:12,642 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-16 17:11:12,658 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 17:11:12,658 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 17:11:12,658 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 17:11:12,658 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-16 17:11:12,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 17:11:13,079 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2019-09-16 17:11:13,079 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-16 17:11:13,079 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-16 17:11:13,079 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-16 17:11:13,081 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-16 17:11:13,082 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-16 17:11:13,082 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-16 17:11:13,082 INFO L87 Difference]: Start difference. First operand 2556 states and 3313 transitions. Second operand 3 states. [2019-09-16 17:11:13,175 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-16 17:11:13,175 INFO L93 Difference]: Finished difference Result 2666 states and 3499 transitions. [2019-09-16 17:11:13,176 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-16 17:11:13,176 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 140 [2019-09-16 17:11:13,178 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-16 17:11:13,198 INFO L225 Difference]: With dead ends: 2666 [2019-09-16 17:11:13,199 INFO L226 Difference]: Without dead ends: 2665 [2019-09-16 17:11:13,199 INFO L636 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 [2019-09-16 17:11:13,204 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2665 states. [2019-09-16 17:11:13,302 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2665 to 2663. [2019-09-16 17:11:13,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2663 states. [2019-09-16 17:11:13,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2663 states to 2663 states and 3495 transitions. [2019-09-16 17:11:13,328 INFO L78 Accepts]: Start accepts. Automaton has 2663 states and 3495 transitions. Word has length 140 [2019-09-16 17:11:13,329 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-16 17:11:13,329 INFO L475 AbstractCegarLoop]: Abstraction has 2663 states and 3495 transitions. [2019-09-16 17:11:13,329 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-16 17:11:13,329 INFO L276 IsEmpty]: Start isEmpty. Operand 2663 states and 3495 transitions. [2019-09-16 17:11:13,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2019-09-16 17:11:13,337 INFO L399 BasicCegarLoop]: Found error trace [2019-09-16 17:11:13,338 INFO L407 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] [2019-09-16 17:11:13,338 INFO L418 AbstractCegarLoop]: === Iteration 5 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-16 17:11:13,338 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-16 17:11:13,339 INFO L82 PathProgramCache]: Analyzing trace with hash 834736603, now seen corresponding path program 1 times [2019-09-16 17:11:13,339 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-16 17:11:13,351 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 17:11:13,352 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 17:11:13,352 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 17:11:13,352 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-16 17:11:13,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 17:11:13,821 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2019-09-16 17:11:13,822 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-16 17:11:13,822 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-16 17:11:13,827 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-16 17:11:13,829 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-16 17:11:13,829 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-16 17:11:13,830 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-16 17:11:13,830 INFO L87 Difference]: Start difference. First operand 2663 states and 3495 transitions. Second operand 5 states. [2019-09-16 17:11:21,013 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-16 17:11:21,013 INFO L93 Difference]: Finished difference Result 1181 states and 1537 transitions. [2019-09-16 17:11:21,015 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-09-16 17:11:21,016 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 182 [2019-09-16 17:11:21,017 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-16 17:11:21,025 INFO L225 Difference]: With dead ends: 1181 [2019-09-16 17:11:21,025 INFO L226 Difference]: Without dead ends: 1181 [2019-09-16 17:11:21,026 INFO L636 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 [2019-09-16 17:11:21,029 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1181 states. [2019-09-16 17:11:21,055 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1181 to 1178. [2019-09-16 17:11:21,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1178 states. [2019-09-16 17:11:21,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1178 states to 1178 states and 1533 transitions. [2019-09-16 17:11:21,062 INFO L78 Accepts]: Start accepts. Automaton has 1178 states and 1533 transitions. Word has length 182 [2019-09-16 17:11:21,063 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-16 17:11:21,063 INFO L475 AbstractCegarLoop]: Abstraction has 1178 states and 1533 transitions. [2019-09-16 17:11:21,063 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-16 17:11:21,063 INFO L276 IsEmpty]: Start isEmpty. Operand 1178 states and 1533 transitions. [2019-09-16 17:11:21,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2019-09-16 17:11:21,071 INFO L399 BasicCegarLoop]: Found error trace [2019-09-16 17:11:21,071 INFO L407 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] [2019-09-16 17:11:21,071 INFO L418 AbstractCegarLoop]: === Iteration 6 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-16 17:11:21,072 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-16 17:11:21,072 INFO L82 PathProgramCache]: Analyzing trace with hash 66509897, now seen corresponding path program 1 times [2019-09-16 17:11:21,072 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-16 17:11:21,090 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 17:11:21,090 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 17:11:21,090 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 17:11:21,091 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-16 17:11:21,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 17:11:21,612 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2019-09-16 17:11:21,612 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-16 17:11:21,613 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-09-16 17:11:21,613 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-16 17:11:21,613 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-09-16 17:11:21,614 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-09-16 17:11:21,614 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-09-16 17:11:21,614 INFO L87 Difference]: Start difference. First operand 1178 states and 1533 transitions. Second operand 6 states. [2019-09-16 17:11:21,717 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-16 17:11:21,717 INFO L93 Difference]: Finished difference Result 1190 states and 1547 transitions. [2019-09-16 17:11:21,718 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-09-16 17:11:21,718 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 196 [2019-09-16 17:11:21,718 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-16 17:11:21,728 INFO L225 Difference]: With dead ends: 1190 [2019-09-16 17:11:21,728 INFO L226 Difference]: Without dead ends: 1190 [2019-09-16 17:11:21,729 INFO L636 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 [2019-09-16 17:11:21,732 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1190 states. [2019-09-16 17:11:21,761 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1190 to 1184. [2019-09-16 17:11:21,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1184 states. [2019-09-16 17:11:21,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1184 states to 1184 states and 1540 transitions. [2019-09-16 17:11:21,767 INFO L78 Accepts]: Start accepts. Automaton has 1184 states and 1540 transitions. Word has length 196 [2019-09-16 17:11:21,767 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-16 17:11:21,767 INFO L475 AbstractCegarLoop]: Abstraction has 1184 states and 1540 transitions. [2019-09-16 17:11:21,768 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-09-16 17:11:21,768 INFO L276 IsEmpty]: Start isEmpty. Operand 1184 states and 1540 transitions. [2019-09-16 17:11:21,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2019-09-16 17:11:21,782 INFO L399 BasicCegarLoop]: Found error trace [2019-09-16 17:11:21,783 INFO L407 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] [2019-09-16 17:11:21,783 INFO L418 AbstractCegarLoop]: === Iteration 7 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-16 17:11:21,783 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-16 17:11:21,784 INFO L82 PathProgramCache]: Analyzing trace with hash 1852735302, now seen corresponding path program 1 times [2019-09-16 17:11:21,784 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-16 17:11:21,797 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 17:11:21,798 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 17:11:21,798 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 17:11:21,798 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-16 17:11:21,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 17:11:22,285 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2019-09-16 17:11:22,286 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-16 17:11:22,286 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-09-16 17:11:22,286 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-16 17:11:22,287 INFO L454 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-09-16 17:11:22,287 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-09-16 17:11:22,287 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2019-09-16 17:11:22,288 INFO L87 Difference]: Start difference. First operand 1184 states and 1540 transitions. Second operand 7 states. [2019-09-16 17:11:33,450 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-16 17:11:33,451 INFO L93 Difference]: Finished difference Result 1718 states and 2248 transitions. [2019-09-16 17:11:33,451 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-09-16 17:11:33,452 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 206 [2019-09-16 17:11:33,452 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-16 17:11:33,463 INFO L225 Difference]: With dead ends: 1718 [2019-09-16 17:11:33,463 INFO L226 Difference]: Without dead ends: 1718 [2019-09-16 17:11:33,463 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2019-09-16 17:11:33,466 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1718 states. [2019-09-16 17:11:33,500 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1718 to 1634. [2019-09-16 17:11:33,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1634 states. [2019-09-16 17:11:33,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1634 states to 1634 states and 2122 transitions. [2019-09-16 17:11:33,506 INFO L78 Accepts]: Start accepts. Automaton has 1634 states and 2122 transitions. Word has length 206 [2019-09-16 17:11:33,507 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-16 17:11:33,507 INFO L475 AbstractCegarLoop]: Abstraction has 1634 states and 2122 transitions. [2019-09-16 17:11:33,507 INFO L476 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-09-16 17:11:33,507 INFO L276 IsEmpty]: Start isEmpty. Operand 1634 states and 2122 transitions. [2019-09-16 17:11:33,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2019-09-16 17:11:33,517 INFO L399 BasicCegarLoop]: Found error trace [2019-09-16 17:11:33,517 INFO L407 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] [2019-09-16 17:11:33,517 INFO L418 AbstractCegarLoop]: === Iteration 8 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-16 17:11:33,518 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-16 17:11:33,518 INFO L82 PathProgramCache]: Analyzing trace with hash -1461277180, now seen corresponding path program 1 times [2019-09-16 17:11:33,518 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-16 17:11:33,530 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 17:11:33,530 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 17:11:33,530 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 17:11:33,530 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-16 17:11:33,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 17:11:33,914 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2019-09-16 17:11:33,914 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-16 17:11:33,914 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-09-16 17:11:33,914 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-16 17:11:33,915 INFO L454 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-09-16 17:11:33,916 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-09-16 17:11:33,916 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2019-09-16 17:11:33,916 INFO L87 Difference]: Start difference. First operand 1634 states and 2122 transitions. Second operand 9 states. [2019-09-16 17:11:38,136 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-16 17:11:38,137 INFO L93 Difference]: Finished difference Result 1652 states and 2140 transitions. [2019-09-16 17:11:38,137 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-09-16 17:11:38,137 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 206 [2019-09-16 17:11:38,138 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-16 17:11:38,147 INFO L225 Difference]: With dead ends: 1652 [2019-09-16 17:11:38,148 INFO L226 Difference]: Without dead ends: 1602 [2019-09-16 17:11:38,148 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2019-09-16 17:11:38,151 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1602 states. [2019-09-16 17:11:38,188 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1602 to 1602. [2019-09-16 17:11:38,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1602 states. [2019-09-16 17:11:38,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1602 states to 1602 states and 2068 transitions. [2019-09-16 17:11:38,194 INFO L78 Accepts]: Start accepts. Automaton has 1602 states and 2068 transitions. Word has length 206 [2019-09-16 17:11:38,196 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-16 17:11:38,196 INFO L475 AbstractCegarLoop]: Abstraction has 1602 states and 2068 transitions. [2019-09-16 17:11:38,196 INFO L476 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-09-16 17:11:38,196 INFO L276 IsEmpty]: Start isEmpty. Operand 1602 states and 2068 transitions. [2019-09-16 17:11:38,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 402 [2019-09-16 17:11:38,211 INFO L399 BasicCegarLoop]: Found error trace [2019-09-16 17:11:38,212 INFO L407 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-16 17:11:38,212 INFO L418 AbstractCegarLoop]: === Iteration 9 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-16 17:11:38,212 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-16 17:11:38,213 INFO L82 PathProgramCache]: Analyzing trace with hash 1475712337, now seen corresponding path program 1 times [2019-09-16 17:11:38,213 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-16 17:11:38,225 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 17:11:38,226 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 17:11:38,226 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 17:11:38,226 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-16 17:11:38,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 17:11:38,947 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 12 proven. 7 refuted. 0 times theorem prover too weak. 216 trivial. 0 not checked. [2019-09-16 17:11:38,948 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-16 17:11:38,948 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-09-16 17:11:38,949 INFO L205 CegarAbsIntRunner]: Running AI on error trace of length 402 with the following transitions: [2019-09-16 17:11:38,954 INFO L207 CegarAbsIntRunner]: [6], [9], [16], [17], [26], [27], [34], [41], [42], [256], [262], [268], [269], [351], [352], [353], [362], [364], [369], [374], [376], [378], [380], [382], [385], [394], [396], [401], [570], [571], [574], [583], [585], [588], [595], [597], [602], [605], [610], [617], [619], [628], [634], [636], [638], [640], [642], [651], [660], [662], [665], [672], [673], [676], [678], [679], [684], [685], [686], [688], [689], [708], [709], [911], [920], [922], [925], [932], [934], [936], [945], [947], [950], [954], [956], [965], [969], [974], [976], [978], [1025], [1026], [1030], [1032], [1035], [1045], [1054], [1055], [1056], [1058], [1060], [1063], [1422], [1423], [1424], [1425], [1501], [1503], [1504], [1538], [1539], [1542], [1544], [1546], [1560], [1562], [1565], [1566], [1607], [1609], [1610], [1611], [1614], [1619], [1628], [1630], [1633], [1647], [1650], [1652], [1657], [1660], [1662], [1667], [1670], [1742], [1744], [1750], [1760], [1762], [1768], [1784], [1786], [1789], [2060], [2061], [2305], [2306], [2482], [2491], [2498], [2502], [2507], [2762], [2771], [2777], [2805], [2807], [2808], [2823], [2850], [2851], [2872], [2874], [2875], [2893], [2894], [2895], [2896], [2897], [2899], [2908], [2917], [2920], [2922], [2929], [2938], [2944], [3076], [3077], [3083], [3084], [3105], [3106], [3107], [3108], [3194], [3203], [3205], [3208], [3215], [3217], [3220], [3383], [3385], [3387], [3388], [3481], [3483], [3488], [3490], [3495], [3497], [3502], [3508], [3573], [3574], [3575], [3576], [3577], [3578], [3579], [3580], [3597], [3598], [3599], [3600], [3601], [3602], [3605], [3606], [3613], [3614], [3615], [3616], [3617], [3618], [3623], [3624], [3627], [3628], [3679], [3680], [3681], [3682], [3683], [3684], [3685], [3686], [3687], [3688], [3689], [3690], [3691], [3707], [3708], [3713], [3714], [3715], [3716], [3851], [3852], [3855], [3856], [3857], [3858], [3863], [3864], [3869], [3870], [3871], [3872], [3873], [3874], [3875], [3876], [3877], [3878], [3881], [3882], [3883], [3884], [3887], [3888], [3889], [4011], [4019], [4020], [4027], [4028], [4045], [4046], [4055], [4056], [4057], [4058], [4059], [4060], [4091], [4092], [4109], [4110], [4159], [4160], [4161], [4162], [4163], [4164], [4165], [4181], [4182], [4183], [4184], [4185], [4186] [2019-09-16 17:11:39,032 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2019-09-16 17:11:39,033 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-09-16 17:11:39,560 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2019-09-16 17:11:39,561 INFO L272 AbstractInterpreter]: Visited 2 different actions 2 times. Never merged. Never widened. Performed 461 root evaluator evaluations with a maximum evaluation depth of 0. Performed 461 inverse root evaluator evaluations with a maximum inverse evaluation depth of 0. Never found a fixpoint. Largest state had 964 variables. [2019-09-16 17:11:39,567 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-16 17:11:39,567 INFO L403 sIntCurrentIteration]: Generating AbsInt predicates [2019-09-16 17:11:39,708 INFO L219 lantSequenceWeakener]: Could never weaken! [2019-09-16 17:11:39,708 INFO L418 sIntCurrentIteration]: Unifying AI predicates [2019-09-16 17:11:39,719 INFO L420 sIntCurrentIteration]: We unified 400 AI predicates to 400 [2019-09-16 17:11:39,719 INFO L429 sIntCurrentIteration]: Finished generation of AbsInt predicates [2019-09-16 17:11:39,720 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-09-16 17:11:39,720 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [8] total 8 [2019-09-16 17:11:39,720 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-16 17:11:39,721 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-09-16 17:11:39,721 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-09-16 17:11:39,721 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-16 17:11:39,722 INFO L87 Difference]: Start difference. First operand 1602 states and 2068 transitions. Second operand 2 states. [2019-09-16 17:11:39,722 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-16 17:11:39,722 INFO L93 Difference]: Finished difference Result 2 states and 1 transitions. [2019-09-16 17:11:39,722 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-09-16 17:11:39,722 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 401 [2019-09-16 17:11:39,722 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-16 17:11:39,723 INFO L225 Difference]: With dead ends: 2 [2019-09-16 17:11:39,723 INFO L226 Difference]: Without dead ends: 0 [2019-09-16 17:11:39,723 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 400 GetRequests, 400 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-16 17:11:39,723 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-09-16 17:11:39,723 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-09-16 17:11:39,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-09-16 17:11:39,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-09-16 17:11:39,724 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 401 [2019-09-16 17:11:39,724 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-16 17:11:39,724 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-09-16 17:11:39,724 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-09-16 17:11:39,724 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-09-16 17:11:39,725 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-09-16 17:11:39,729 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.09 05:11:39 BoogieIcfgContainer [2019-09-16 17:11:39,730 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-09-16 17:11:39,732 INFO L168 Benchmark]: Toolchain (without parser) took 46020.59 ms. Allocated memory was 137.9 MB in the beginning and 848.3 MB in the end (delta: 710.4 MB). Free memory was 75.2 MB in the beginning and 464.2 MB in the end (delta: -389.0 MB). Peak memory consumption was 321.4 MB. Max. memory is 7.1 GB. [2019-09-16 17:11:39,733 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 137.9 MB. Free memory was 103.8 MB in the beginning and 103.6 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-16 17:11:39,734 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2683.85 ms. Allocated memory was 137.9 MB in the beginning and 281.0 MB in the end (delta: 143.1 MB). Free memory was 75.0 MB in the beginning and 191.3 MB in the end (delta: -116.3 MB). Peak memory consumption was 109.2 MB. Max. memory is 7.1 GB. [2019-09-16 17:11:39,735 INFO L168 Benchmark]: Boogie Preprocessor took 403.51 ms. Allocated memory is still 281.0 MB. Free memory was 191.3 MB in the beginning and 163.2 MB in the end (delta: 28.1 MB). Peak memory consumption was 28.1 MB. Max. memory is 7.1 GB. [2019-09-16 17:11:39,736 INFO L168 Benchmark]: RCFGBuilder took 12598.67 ms. Allocated memory was 281.0 MB in the beginning and 658.5 MB in the end (delta: 377.5 MB). Free memory was 163.2 MB in the beginning and 301.6 MB in the end (delta: -138.5 MB). Peak memory consumption was 423.3 MB. Max. memory is 7.1 GB. [2019-09-16 17:11:39,737 INFO L168 Benchmark]: TraceAbstraction took 30326.00 ms. Allocated memory was 658.5 MB in the beginning and 848.3 MB in the end (delta: 189.8 MB). Free memory was 301.6 MB in the beginning and 464.2 MB in the end (delta: -162.5 MB). Peak memory consumption was 27.2 MB. Max. memory is 7.1 GB. [2019-09-16 17:11:39,742 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 137.9 MB. Free memory was 103.8 MB in the beginning and 103.6 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 2683.85 ms. Allocated memory was 137.9 MB in the beginning and 281.0 MB in the end (delta: 143.1 MB). Free memory was 75.0 MB in the beginning and 191.3 MB in the end (delta: -116.3 MB). Peak memory consumption was 109.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 403.51 ms. Allocated memory is still 281.0 MB. Free memory was 191.3 MB in the beginning and 163.2 MB in the end (delta: 28.1 MB). Peak memory consumption was 28.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 12598.67 ms. Allocated memory was 281.0 MB in the beginning and 658.5 MB in the end (delta: 377.5 MB). Free memory was 163.2 MB in the beginning and 301.6 MB in the end (delta: -138.5 MB). Peak memory consumption was 423.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 30326.00 ms. Allocated memory was 658.5 MB in the beginning and 848.3 MB in the end (delta: 189.8 MB). Free memory was 301.6 MB in the beginning and 464.2 MB in the end (delta: -162.5 MB). Peak memory consumption was 27.2 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 7648]: 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 136 procedures, 1422 locations, 1 error locations. SAFE Result, 30.2s OverallTime, 9 OverallIterations, 6 TraceHistogramMax, 23.3s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 12859 SDtfs, 4553 SDslu, 32199 SDs, 0 SdLazy, 4341 SolverSat, 645 SolverUnsat, 4 SolverUnknown, 0 SolverNotchecked, 20.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 453 GetRequests, 419 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2663occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.6s AbstIntTime, 1 AbstIntIterations, 1 AbstIntStrong, 1.0 AbsIntWeakeningRatio, 3.385 AbsIntAvgWeakeningVarsNumRemoved, 0.0 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.8s AutomataMinimizationTime, 9 MinimizatonAttempts, 98 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.5s SsaConstructionTime, 1.4s SatisfiabilityAnalysisTime, 2.3s InterpolantComputationTime, 1508 NumberOfCodeBlocks, 1508 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 1499 ConstructedInterpolants, 0 QuantifiedInterpolants, 433819 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 8 PerfectInterpolantSequences, 470/477 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...