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-fea9116 [2019-09-20 13:32:30,387 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 13:32:30,389 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 13:32:30,403 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 13:32:30,403 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 13:32:30,405 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 13:32:30,407 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 13:32:30,415 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 13:32:30,420 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 13:32:30,422 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 13:32:30,423 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 13:32:30,425 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 13:32:30,425 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 13:32:30,428 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 13:32:30,429 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 13:32:30,430 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 13:32:30,431 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 13:32:30,435 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 13:32:30,437 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 13:32:30,439 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 13:32:30,442 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 13:32:30,443 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 13:32:30,446 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 13:32:30,446 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 13:32:30,448 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 13:32:30,448 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 13:32:30,448 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 13:32:30,449 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 13:32:30,450 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 13:32:30,450 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 13:32:30,451 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 13:32:30,453 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 13:32:30,454 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 13:32:30,455 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 13:32:30,456 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 13:32:30,456 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 13:32:30,457 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 13:32:30,457 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 13:32:30,457 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 13:32:30,458 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 13:32:30,458 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 13:32:30,459 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 [2019-09-20 13:32:30,480 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 13:32:30,481 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 13:32:30,481 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-20 13:32:30,482 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-20 13:32:30,483 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-20 13:32:30,483 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-20 13:32:30,483 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-20 13:32:30,483 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-20 13:32:30,484 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-20 13:32:30,484 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-20 13:32:30,486 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 13:32:30,487 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 13:32:30,487 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 13:32:30,487 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 13:32:30,487 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 13:32:30,488 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 13:32:30,488 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 13:32:30,488 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 13:32:30,488 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 13:32:30,489 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 13:32:30,489 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 13:32:30,489 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-20 13:32:30,489 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 13:32:30,490 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 13:32:30,490 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 13:32:30,490 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 13:32:30,490 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-20 13:32:30,491 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 13:32:30,491 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-20 13:32:30,491 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-20 13:32:30,530 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 13:32:30,539 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 13:32:30,541 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 13:32:30,543 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 13:32:30,544 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 13:32:30,545 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.0/usb_urb-drivers-usb-serial-whiteheat.ko.cil.out.i [2019-09-20 13:32:30,610 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/033e33bfe/cf3afe6021a24f19bccf380a459c399f/FLAG2d611edf4 [2019-09-20 13:32:31,424 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 13:32:31,425 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-3.0/usb_urb-drivers-usb-serial-whiteheat.ko.cil.out.i [2019-09-20 13:32:31,473 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/033e33bfe/cf3afe6021a24f19bccf380a459c399f/FLAG2d611edf4 [2019-09-20 13:32:31,935 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/033e33bfe/cf3afe6021a24f19bccf380a459c399f [2019-09-20 13:32:31,945 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 13:32:31,947 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 13:32:31,948 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 13:32:31,948 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 13:32:31,951 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 13:32:31,953 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:32:31" (1/1) ... [2019-09-20 13:32:31,955 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@52eed2eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:32:31, skipping insertion in model container [2019-09-20 13:32:31,956 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:32:31" (1/1) ... [2019-09-20 13:32:31,964 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 13:32:32,122 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 13:32:33,964 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 13:32:34,040 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 13:32:34,361 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 13:32:34,587 INFO L192 MainTranslator]: Completed translation [2019-09-20 13:32:34,588 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:32:34 WrapperNode [2019-09-20 13:32:34,589 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 13:32:34,590 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 13:32:34,590 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 13:32:34,590 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 13:32:34,607 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:32:34" (1/1) ... [2019-09-20 13:32:34,610 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:32:34" (1/1) ... [2019-09-20 13:32:34,711 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:32:34" (1/1) ... [2019-09-20 13:32:34,713 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:32:34" (1/1) ... [2019-09-20 13:32:34,843 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:32:34" (1/1) ... [2019-09-20 13:32:34,888 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:32:34" (1/1) ... [2019-09-20 13:32:34,911 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:32:34" (1/1) ... [2019-09-20 13:32:34,935 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 13:32:34,936 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 13:32:34,936 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 13:32:34,936 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 13:32:34,942 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:32:34" (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 [2019-09-20 13:32:35,025 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 13:32:35,025 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 13:32:35,025 INFO L138 BoogieDeclarations]: Found implementation of procedure __arch_swab32 [2019-09-20 13:32:35,026 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2019-09-20 13:32:35,026 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2019-09-20 13:32:35,026 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2019-09-20 13:32:35,026 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2019-09-20 13:32:35,026 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2019-09-20 13:32:35,027 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2019-09-20 13:32:35,027 INFO L138 BoogieDeclarations]: Found implementation of procedure list_move [2019-09-20 13:32:35,027 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2019-09-20 13:32:35,027 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2019-09-20 13:32:35,027 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2019-09-20 13:32:35,028 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2019-09-20 13:32:35,028 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2019-09-20 13:32:35,028 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2019-09-20 13:32:35,028 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2019-09-20 13:32:35,028 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2019-09-20 13:32:35,029 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2019-09-20 13:32:35,029 INFO L138 BoogieDeclarations]: Found implementation of procedure device_private_init [2019-09-20 13:32:35,029 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2019-09-20 13:32:35,029 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2019-09-20 13:32:35,029 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_insert_flip_string [2019-09-20 13:32:35,030 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register [2019-09-20 13:32:35,030 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_bulk_urb [2019-09-20 13:32:35,030 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2019-09-20 13:32:35,030 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_serial_port_data [2019-09-20 13:32:35,030 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_serial_port_data [2019-09-20 13:32:35,030 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_debug_data [2019-09-20 13:32:35,031 INFO L138 BoogieDeclarations]: Found implementation of procedure ihex_next_binrec [2019-09-20 13:32:35,031 INFO L138 BoogieDeclarations]: Found implementation of procedure ihex_validate_fw [2019-09-20 13:32:35,031 INFO L138 BoogieDeclarations]: Found implementation of procedure request_ihex_firmware [2019-09-20 13:32:35,031 INFO L138 BoogieDeclarations]: Found implementation of procedure whiteheat_firmware_download [2019-09-20 13:32:35,031 INFO L138 BoogieDeclarations]: Found implementation of procedure whiteheat_firmware_attach [2019-09-20 13:32:35,031 INFO L138 BoogieDeclarations]: Found implementation of procedure whiteheat_attach [2019-09-20 13:32:35,031 INFO L138 BoogieDeclarations]: Found implementation of procedure whiteheat_release [2019-09-20 13:32:35,032 INFO L138 BoogieDeclarations]: Found implementation of procedure whiteheat_open [2019-09-20 13:32:35,032 INFO L138 BoogieDeclarations]: Found implementation of procedure whiteheat_close [2019-09-20 13:32:35,032 INFO L138 BoogieDeclarations]: Found implementation of procedure whiteheat_write [2019-09-20 13:32:35,032 INFO L138 BoogieDeclarations]: Found implementation of procedure whiteheat_write_room [2019-09-20 13:32:35,032 INFO L138 BoogieDeclarations]: Found implementation of procedure whiteheat_tiocmget [2019-09-20 13:32:35,032 INFO L138 BoogieDeclarations]: Found implementation of procedure whiteheat_tiocmset [2019-09-20 13:32:35,032 INFO L138 BoogieDeclarations]: Found implementation of procedure whiteheat_ioctl [2019-09-20 13:32:35,033 INFO L138 BoogieDeclarations]: Found implementation of procedure whiteheat_set_termios [2019-09-20 13:32:35,033 INFO L138 BoogieDeclarations]: Found implementation of procedure whiteheat_break_ctl [2019-09-20 13:32:35,033 INFO L138 BoogieDeclarations]: Found implementation of procedure whiteheat_chars_in_buffer [2019-09-20 13:32:35,033 INFO L138 BoogieDeclarations]: Found implementation of procedure whiteheat_throttle [2019-09-20 13:32:35,033 INFO L138 BoogieDeclarations]: Found implementation of procedure whiteheat_unthrottle [2019-09-20 13:32:35,033 INFO L138 BoogieDeclarations]: Found implementation of procedure command_port_write_callback [2019-09-20 13:32:35,034 INFO L138 BoogieDeclarations]: Found implementation of procedure command_port_read_callback [2019-09-20 13:32:35,034 INFO L138 BoogieDeclarations]: Found implementation of procedure whiteheat_read_callback [2019-09-20 13:32:35,034 INFO L138 BoogieDeclarations]: Found implementation of procedure whiteheat_write_callback [2019-09-20 13:32:35,034 INFO L138 BoogieDeclarations]: Found implementation of procedure firm_send_command [2019-09-20 13:32:35,034 INFO L138 BoogieDeclarations]: Found implementation of procedure firm_open [2019-09-20 13:32:35,034 INFO L138 BoogieDeclarations]: Found implementation of procedure firm_close [2019-09-20 13:32:35,034 INFO L138 BoogieDeclarations]: Found implementation of procedure firm_setup_port [2019-09-20 13:32:35,035 INFO L138 BoogieDeclarations]: Found implementation of procedure firm_set_rts [2019-09-20 13:32:35,035 INFO L138 BoogieDeclarations]: Found implementation of procedure firm_set_dtr [2019-09-20 13:32:35,035 INFO L138 BoogieDeclarations]: Found implementation of procedure firm_set_break [2019-09-20 13:32:35,035 INFO L138 BoogieDeclarations]: Found implementation of procedure firm_purge [2019-09-20 13:32:35,035 INFO L138 BoogieDeclarations]: Found implementation of procedure firm_get_dtr_rts [2019-09-20 13:32:35,035 INFO L138 BoogieDeclarations]: Found implementation of procedure firm_report_tx_done [2019-09-20 13:32:35,035 INFO L138 BoogieDeclarations]: Found implementation of procedure start_command_port [2019-09-20 13:32:35,036 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_command_port [2019-09-20 13:32:35,036 INFO L138 BoogieDeclarations]: Found implementation of procedure start_port_read [2019-09-20 13:32:35,036 INFO L138 BoogieDeclarations]: Found implementation of procedure urb_to_wrap [2019-09-20 13:32:35,036 INFO L138 BoogieDeclarations]: Found implementation of procedure list_first [2019-09-20 13:32:35,036 INFO L138 BoogieDeclarations]: Found implementation of procedure rx_data_softint [2019-09-20 13:32:35,036 INFO L138 BoogieDeclarations]: Found implementation of procedure whiteheat_init [2019-09-20 13:32:35,037 INFO L138 BoogieDeclarations]: Found implementation of procedure whiteheat_exit [2019-09-20 13:32:35,037 INFO L138 BoogieDeclarations]: Found implementation of procedure init_module [2019-09-20 13:32:35,037 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup_module [2019-09-20 13:32:35,037 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 13:32:35,037 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_blast_assert [2019-09-20 13:32:35,037 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume_stop [2019-09-20 13:32:35,038 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_coherent [2019-09-20 13:32:35,038 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_coherent [2019-09-20 13:32:35,038 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2019-09-20 13:32:35,038 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2019-09-20 13:32:35,038 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-09-20 13:32:35,038 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2019-09-20 13:32:35,039 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2019-09-20 13:32:35,039 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2019-09-20 13:32:35,039 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2019-09-20 13:32:35,039 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_del_entry [2019-09-20 13:32:35,039 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2019-09-20 13:32:35,039 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2019-09-20 13:32:35,040 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2019-09-20 13:32:35,040 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2019-09-20 13:32:35,040 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2019-09-20 13:32:35,040 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock [2019-09-20 13:32:35,040 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irq [2019-09-20 13:32:35,040 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2019-09-20 13:32:35,040 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock [2019-09-20 13:32:35,041 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irq [2019-09-20 13:32:35,041 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irqrestore [2019-09-20 13:32:35,041 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2019-09-20 13:32:35,041 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_printk [2019-09-20 13:32:35,041 INFO L138 BoogieDeclarations]: Found implementation of procedure ezusb_set_reset [2019-09-20 13:32:35,041 INFO L138 BoogieDeclarations]: Found implementation of procedure ezusb_writememory [2019-09-20 13:32:35,042 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2019-09-20 13:32:35,042 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2019-09-20 13:32:35,042 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value [2019-09-20 13:32:35,042 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-09-20 13:32:35,042 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undefined_pointer [2019-09-20 13:32:35,042 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2019-09-20 13:32:35,043 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2019-09-20 13:32:35,043 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2019-09-20 13:32:35,043 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2019-09-20 13:32:35,043 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2019-09-20 13:32:35,043 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait [2019-09-20 13:32:35,043 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2019-09-20 13:32:35,043 INFO L138 BoogieDeclarations]: Found implementation of procedure release_firmware [2019-09-20 13:32:35,044 INFO L138 BoogieDeclarations]: Found implementation of procedure request_firmware [2019-09-20 13:32:35,044 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout [2019-09-20 13:32:35,044 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2019-09-20 13:32:35,044 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_encode_baud_rate [2019-09-20 13:32:35,044 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_flip_buffer_push [2019-09-20 13:32:35,044 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_get_baud_rate [2019-09-20 13:32:35,044 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_insert_flip_string_fixed_flag [2019-09-20 13:32:35,045 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_kref_put [2019-09-20 13:32:35,045 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_port_tty_get [2019-09-20 13:32:35,045 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_bulk_msg [2019-09-20 13:32:35,045 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_clear_halt [2019-09-20 13:32:35,045 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_deregister [2019-09-20 13:32:35,045 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2019-09-20 13:32:35,046 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register_driver [2019-09-20 13:32:35,046 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_deregister [2019-09-20 13:32:35,046 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_port_softint [2019-09-20 13:32:35,046 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_register [2019-09-20 13:32:35,046 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2019-09-20 13:32:35,046 INFO L138 BoogieDeclarations]: Found implementation of procedure autoremove_wake_function [2019-09-20 13:32:35,047 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-09-20 13:32:35,047 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-09-20 13:32:35,047 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-09-20 13:32:35,047 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-09-20 13:32:35,047 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 13:32:35,047 INFO L130 BoogieDeclarations]: Found specification of procedure __arch_swab32 [2019-09-20 13:32:35,048 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2019-09-20 13:32:35,048 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2019-09-20 13:32:35,048 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2019-09-20 13:32:35,048 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2019-09-20 13:32:35,048 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2019-09-20 13:32:35,048 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2019-09-20 13:32:35,049 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-09-20 13:32:35,049 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-09-20 13:32:35,049 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2019-09-20 13:32:35,049 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-20 13:32:35,049 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2019-09-20 13:32:35,049 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2019-09-20 13:32:35,049 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-20 13:32:35,050 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2019-09-20 13:32:35,050 INFO L130 BoogieDeclarations]: Found specification of procedure __list_del_entry [2019-09-20 13:32:35,050 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2019-09-20 13:32:35,050 INFO L130 BoogieDeclarations]: Found specification of procedure list_move [2019-09-20 13:32:35,050 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2019-09-20 13:32:35,050 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2019-09-20 13:32:35,050 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2019-09-20 13:32:35,051 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock [2019-09-20 13:32:35,051 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irq [2019-09-20 13:32:35,051 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2019-09-20 13:32:35,051 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock [2019-09-20 13:32:35,051 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irq [2019-09-20 13:32:35,051 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore [2019-09-20 13:32:35,051 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2019-09-20 13:32:35,052 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2019-09-20 13:32:35,052 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2019-09-20 13:32:35,052 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2019-09-20 13:32:35,052 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2019-09-20 13:32:35,052 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2019-09-20 13:32:35,052 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2019-09-20 13:32:35,052 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2019-09-20 13:32:35,053 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait [2019-09-20 13:32:35,053 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2019-09-20 13:32:35,053 INFO L130 BoogieDeclarations]: Found specification of procedure autoremove_wake_function [2019-09-20 13:32:35,053 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2019-09-20 13:32:35,053 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2019-09-20 13:32:35,053 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2019-09-20 13:32:35,054 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2019-09-20 13:32:35,054 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2019-09-20 13:32:35,054 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-09-20 13:32:35,054 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2019-09-20 13:32:35,054 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2019-09-20 13:32:35,054 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2019-09-20 13:32:35,054 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2019-09-20 13:32:35,055 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2019-09-20 13:32:35,055 INFO L130 BoogieDeclarations]: Found specification of procedure init_module [2019-09-20 13:32:35,055 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup_module [2019-09-20 13:32:35,055 INFO L130 BoogieDeclarations]: Found specification of procedure device_private_init [2019-09-20 13:32:35,055 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2019-09-20 13:32:35,055 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2019-09-20 13:32:35,056 INFO L130 BoogieDeclarations]: Found specification of procedure dev_printk [2019-09-20 13:32:35,056 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2019-09-20 13:32:35,056 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2019-09-20 13:32:35,056 INFO L130 BoogieDeclarations]: Found specification of procedure tty_kref_put [2019-09-20 13:32:35,056 INFO L130 BoogieDeclarations]: Found specification of procedure tty_flip_buffer_push [2019-09-20 13:32:35,056 INFO L130 BoogieDeclarations]: Found specification of procedure tty_get_baud_rate [2019-09-20 13:32:35,056 INFO L130 BoogieDeclarations]: Found specification of procedure tty_encode_baud_rate [2019-09-20 13:32:35,057 INFO L130 BoogieDeclarations]: Found specification of procedure tty_port_tty_get [2019-09-20 13:32:35,057 INFO L130 BoogieDeclarations]: Found specification of procedure tty_insert_flip_string_fixed_flag [2019-09-20 13:32:35,057 INFO L130 BoogieDeclarations]: Found specification of procedure tty_insert_flip_string [2019-09-20 13:32:35,057 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout [2019-09-20 13:32:35,057 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register_driver [2019-09-20 13:32:35,057 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register [2019-09-20 13:32:35,057 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-20 13:32:35,058 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister [2019-09-20 13:32:35,058 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_bulk_urb [2019-09-20 13:32:35,058 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-20 13:32:35,058 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2019-09-20 13:32:35,058 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2019-09-20 13:32:35,058 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2019-09-20 13:32:35,059 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2019-09-20 13:32:35,059 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_coherent [2019-09-20 13:32:35,059 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_coherent [2019-09-20 13:32:35,059 INFO L130 BoogieDeclarations]: Found specification of procedure usb_bulk_msg [2019-09-20 13:32:35,059 INFO L130 BoogieDeclarations]: Found specification of procedure usb_clear_halt [2019-09-20 13:32:35,059 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2019-09-20 13:32:35,059 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-20 13:32:35,060 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_serial_port_data [2019-09-20 13:32:35,060 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_serial_port_data [2019-09-20 13:32:35,060 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_register [2019-09-20 13:32:35,060 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_deregister [2019-09-20 13:32:35,060 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_port_softint [2019-09-20 13:32:35,060 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_probe [2019-09-20 13:32:35,060 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_disconnect [2019-09-20 13:32:35,061 INFO L130 BoogieDeclarations]: Found specification of procedure ezusb_writememory [2019-09-20 13:32:35,061 INFO L130 BoogieDeclarations]: Found specification of procedure ezusb_set_reset [2019-09-20 13:32:35,061 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_debug_data [2019-09-20 13:32:35,061 INFO L130 BoogieDeclarations]: Found specification of procedure request_firmware [2019-09-20 13:32:35,061 INFO L130 BoogieDeclarations]: Found specification of procedure release_firmware [2019-09-20 13:32:35,061 INFO L130 BoogieDeclarations]: Found specification of procedure ihex_next_binrec [2019-09-20 13:32:35,061 INFO L130 BoogieDeclarations]: Found specification of procedure ihex_validate_fw [2019-09-20 13:32:35,062 INFO L130 BoogieDeclarations]: Found specification of procedure request_ihex_firmware [2019-09-20 13:32:35,062 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-20 13:32:35,062 INFO L130 BoogieDeclarations]: Found specification of procedure whiteheat_firmware_download [2019-09-20 13:32:35,062 INFO L130 BoogieDeclarations]: Found specification of procedure whiteheat_firmware_attach [2019-09-20 13:32:35,062 INFO L130 BoogieDeclarations]: Found specification of procedure whiteheat_attach [2019-09-20 13:32:35,062 INFO L130 BoogieDeclarations]: Found specification of procedure whiteheat_release [2019-09-20 13:32:35,062 INFO L130 BoogieDeclarations]: Found specification of procedure whiteheat_open [2019-09-20 13:32:35,063 INFO L130 BoogieDeclarations]: Found specification of procedure whiteheat_close [2019-09-20 13:32:35,063 INFO L130 BoogieDeclarations]: Found specification of procedure whiteheat_write [2019-09-20 13:32:35,063 INFO L130 BoogieDeclarations]: Found specification of procedure whiteheat_write_room [2019-09-20 13:32:35,063 INFO L130 BoogieDeclarations]: Found specification of procedure whiteheat_ioctl [2019-09-20 13:32:35,063 INFO L130 BoogieDeclarations]: Found specification of procedure whiteheat_set_termios [2019-09-20 13:32:35,063 INFO L130 BoogieDeclarations]: Found specification of procedure whiteheat_tiocmget [2019-09-20 13:32:35,063 INFO L130 BoogieDeclarations]: Found specification of procedure whiteheat_tiocmset [2019-09-20 13:32:35,064 INFO L130 BoogieDeclarations]: Found specification of procedure whiteheat_break_ctl [2019-09-20 13:32:35,064 INFO L130 BoogieDeclarations]: Found specification of procedure whiteheat_chars_in_buffer [2019-09-20 13:32:35,064 INFO L130 BoogieDeclarations]: Found specification of procedure whiteheat_throttle [2019-09-20 13:32:35,064 INFO L130 BoogieDeclarations]: Found specification of procedure whiteheat_unthrottle [2019-09-20 13:32:35,064 INFO L130 BoogieDeclarations]: Found specification of procedure whiteheat_read_callback [2019-09-20 13:32:35,064 INFO L130 BoogieDeclarations]: Found specification of procedure whiteheat_write_callback [2019-09-20 13:32:35,064 INFO L130 BoogieDeclarations]: Found specification of procedure start_command_port [2019-09-20 13:32:35,065 INFO L130 BoogieDeclarations]: Found specification of procedure stop_command_port [2019-09-20 13:32:35,065 INFO L130 BoogieDeclarations]: Found specification of procedure command_port_write_callback [2019-09-20 13:32:35,065 INFO L130 BoogieDeclarations]: Found specification of procedure command_port_read_callback [2019-09-20 13:32:35,065 INFO L130 BoogieDeclarations]: Found specification of procedure start_port_read [2019-09-20 13:32:35,065 INFO L130 BoogieDeclarations]: Found specification of procedure urb_to_wrap [2019-09-20 13:32:35,065 INFO L130 BoogieDeclarations]: Found specification of procedure list_first [2019-09-20 13:32:35,065 INFO L130 BoogieDeclarations]: Found specification of procedure rx_data_softint [2019-09-20 13:32:35,065 INFO L130 BoogieDeclarations]: Found specification of procedure firm_send_command [2019-09-20 13:32:35,066 INFO L130 BoogieDeclarations]: Found specification of procedure firm_open [2019-09-20 13:32:35,066 INFO L130 BoogieDeclarations]: Found specification of procedure firm_close [2019-09-20 13:32:35,066 INFO L130 BoogieDeclarations]: Found specification of procedure firm_setup_port [2019-09-20 13:32:35,066 INFO L130 BoogieDeclarations]: Found specification of procedure firm_set_rts [2019-09-20 13:32:35,066 INFO L130 BoogieDeclarations]: Found specification of procedure firm_set_dtr [2019-09-20 13:32:35,066 INFO L130 BoogieDeclarations]: Found specification of procedure firm_set_break [2019-09-20 13:32:35,066 INFO L130 BoogieDeclarations]: Found specification of procedure firm_purge [2019-09-20 13:32:35,067 INFO L130 BoogieDeclarations]: Found specification of procedure firm_get_dtr_rts [2019-09-20 13:32:35,067 INFO L130 BoogieDeclarations]: Found specification of procedure firm_report_tx_done [2019-09-20 13:32:35,067 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-09-20 13:32:35,067 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-09-20 13:32:35,067 INFO L130 BoogieDeclarations]: Found specification of procedure whiteheat_init [2019-09-20 13:32:35,067 INFO L130 BoogieDeclarations]: Found specification of procedure whiteheat_exit [2019-09-20 13:32:35,068 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-09-20 13:32:35,068 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value [2019-09-20 13:32:35,068 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-09-20 13:32:35,068 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 13:32:35,068 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 13:32:35,068 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_blast_assert [2019-09-20 13:32:35,068 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undefined_pointer [2019-09-20 13:32:35,069 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume_stop [2019-09-20 13:32:35,069 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-09-20 13:32:35,069 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-09-20 13:32:35,069 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2019-09-20 13:32:35,069 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2019-09-20 13:32:35,069 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-09-20 13:32:35,069 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-20 13:32:35,070 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 13:32:35,070 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-20 13:32:35,070 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-09-20 13:32:35,070 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 13:32:35,070 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-09-20 13:32:35,070 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-09-20 13:32:35,070 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2019-09-20 13:32:35,071 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2019-09-20 13:32:36,419 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-20 13:32:36,438 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##10: assume !false; [2019-09-20 13:32:36,439 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##9: assume false; [2019-09-20 13:32:36,461 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-20 13:32:36,767 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##12: assume !false; [2019-09-20 13:32:36,767 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##11: assume false; [2019-09-20 13:32:37,339 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_assume_stopFINAL: assume true; [2019-09-20 13:32:44,552 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-20 13:32:44,634 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##54: assume !false; [2019-09-20 13:32:44,634 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##53: assume false; [2019-09-20 13:32:44,954 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-20 13:32:45,093 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##8: assume !false; [2019-09-20 13:32:45,093 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##7: assume false; [2019-09-20 13:32:45,608 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 13:32:45,609 INFO L283 CfgBuilder]: Removed 104 assume(true) statements. [2019-09-20 13:32:45,611 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:32:45 BoogieIcfgContainer [2019-09-20 13:32:45,612 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 13:32:45,613 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-20 13:32:45,613 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-20 13:32:45,616 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-20 13:32:45,617 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.09 01:32:31" (1/3) ... [2019-09-20 13:32:45,617 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c6219de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 01:32:45, skipping insertion in model container [2019-09-20 13:32:45,618 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:32:34" (2/3) ... [2019-09-20 13:32:45,618 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c6219de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 01:32:45, skipping insertion in model container [2019-09-20 13:32:45,619 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:32:45" (3/3) ... [2019-09-20 13:32:45,623 INFO L109 eAbstractionObserver]: Analyzing ICFG usb_urb-drivers-usb-serial-whiteheat.ko.cil.out.i [2019-09-20 13:32:45,633 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-20 13:32:45,645 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-20 13:32:45,662 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-20 13:32:45,697 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-20 13:32:45,697 INFO L378 AbstractCegarLoop]: Hoare is false [2019-09-20 13:32:45,697 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-20 13:32:45,697 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-20 13:32:45,697 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-20 13:32:45,698 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-20 13:32:45,698 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-20 13:32:45,698 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-20 13:32:45,753 INFO L276 IsEmpty]: Start isEmpty. Operand 1377 states. [2019-09-20 13:32:45,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-09-20 13:32:45,769 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:32:45,770 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] [2019-09-20 13:32:45,772 INFO L418 AbstractCegarLoop]: === Iteration 1 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:32:45,777 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:32:45,778 INFO L82 PathProgramCache]: Analyzing trace with hash 991509585, now seen corresponding path program 1 times [2019-09-20 13:32:45,780 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-20 13:32:45,889 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:32:45,889 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:32:45,889 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:32:45,889 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-20 13:32:46,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:32:46,783 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-20 13:32:46,789 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:32:46,789 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-20 13:32:46,789 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-20 13:32:46,794 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-20 13:32:46,812 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-20 13:32:46,814 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-20 13:32:46,816 INFO L87 Difference]: Start difference. First operand 1377 states. Second operand 3 states. [2019-09-20 13:32:47,098 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:32:47,098 INFO L93 Difference]: Finished difference Result 2589 states and 3359 transitions. [2019-09-20 13:32:47,099 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-20 13:32:47,100 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 26 [2019-09-20 13:32:47,101 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:32:47,154 INFO L225 Difference]: With dead ends: 2589 [2019-09-20 13:32:47,154 INFO L226 Difference]: Without dead ends: 2578 [2019-09-20 13:32:47,156 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 [2019-09-20 13:32:47,184 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2578 states. [2019-09-20 13:32:47,435 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2578 to 2575. [2019-09-20 13:32:47,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2575 states. [2019-09-20 13:32:47,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2575 states to 2575 states and 3343 transitions. [2019-09-20 13:32:47,463 INFO L78 Accepts]: Start accepts. Automaton has 2575 states and 3343 transitions. Word has length 26 [2019-09-20 13:32:47,464 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:32:47,464 INFO L475 AbstractCegarLoop]: Abstraction has 2575 states and 3343 transitions. [2019-09-20 13:32:47,464 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-20 13:32:47,464 INFO L276 IsEmpty]: Start isEmpty. Operand 2575 states and 3343 transitions. [2019-09-20 13:32:47,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2019-09-20 13:32:47,467 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:32:47,467 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] [2019-09-20 13:32:47,467 INFO L418 AbstractCegarLoop]: === Iteration 2 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:32:47,467 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:32:47,468 INFO L82 PathProgramCache]: Analyzing trace with hash 671129793, now seen corresponding path program 1 times [2019-09-20 13:32:47,468 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-20 13:32:47,489 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:32:47,489 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:32:47,489 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:32:47,490 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-20 13:32:47,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:32:47,931 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-20 13:32:47,931 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:32:47,931 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-20 13:32:47,931 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-20 13:32:47,933 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-20 13:32:47,934 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-20 13:32:47,934 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-20 13:32:47,934 INFO L87 Difference]: Start difference. First operand 2575 states and 3343 transitions. Second operand 3 states. [2019-09-20 13:32:47,975 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:32:47,975 INFO L93 Difference]: Finished difference Result 2574 states and 3341 transitions. [2019-09-20 13:32:47,976 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-20 13:32:47,976 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 27 [2019-09-20 13:32:47,976 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:32:47,991 INFO L225 Difference]: With dead ends: 2574 [2019-09-20 13:32:47,992 INFO L226 Difference]: Without dead ends: 2562 [2019-09-20 13:32:47,993 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 [2019-09-20 13:32:47,997 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2562 states. [2019-09-20 13:32:48,064 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2562 to 2562. [2019-09-20 13:32:48,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2562 states. [2019-09-20 13:32:48,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2562 states to 2562 states and 3323 transitions. [2019-09-20 13:32:48,083 INFO L78 Accepts]: Start accepts. Automaton has 2562 states and 3323 transitions. Word has length 27 [2019-09-20 13:32:48,083 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:32:48,083 INFO L475 AbstractCegarLoop]: Abstraction has 2562 states and 3323 transitions. [2019-09-20 13:32:48,083 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-20 13:32:48,083 INFO L276 IsEmpty]: Start isEmpty. Operand 2562 states and 3323 transitions. [2019-09-20 13:32:48,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2019-09-20 13:32:48,099 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:32:48,100 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] [2019-09-20 13:32:48,100 INFO L418 AbstractCegarLoop]: === Iteration 3 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:32:48,100 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:32:48,100 INFO L82 PathProgramCache]: Analyzing trace with hash 1820724768, now seen corresponding path program 1 times [2019-09-20 13:32:48,101 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-20 13:32:48,112 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:32:48,112 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:32:48,112 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:32:48,112 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-20 13:32:48,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:32:48,519 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2019-09-20 13:32:48,519 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:32:48,519 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-09-20 13:32:48,520 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-20 13:32:48,520 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-09-20 13:32:48,521 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-09-20 13:32:48,521 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-09-20 13:32:48,521 INFO L87 Difference]: Start difference. First operand 2562 states and 3323 transitions. Second operand 6 states. [2019-09-20 13:32:48,615 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:32:48,616 INFO L93 Difference]: Finished difference Result 2566 states and 3326 transitions. [2019-09-20 13:32:48,616 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-09-20 13:32:48,616 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 124 [2019-09-20 13:32:48,616 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:32:48,631 INFO L225 Difference]: With dead ends: 2566 [2019-09-20 13:32:48,632 INFO L226 Difference]: Without dead ends: 2556 [2019-09-20 13:32:48,632 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 [2019-09-20 13:32:48,636 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2556 states. [2019-09-20 13:32:48,698 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2556 to 2556. [2019-09-20 13:32:48,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2556 states. [2019-09-20 13:32:48,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2556 states to 2556 states and 3313 transitions. [2019-09-20 13:32:48,715 INFO L78 Accepts]: Start accepts. Automaton has 2556 states and 3313 transitions. Word has length 124 [2019-09-20 13:32:48,715 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:32:48,715 INFO L475 AbstractCegarLoop]: Abstraction has 2556 states and 3313 transitions. [2019-09-20 13:32:48,715 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-09-20 13:32:48,715 INFO L276 IsEmpty]: Start isEmpty. Operand 2556 states and 3313 transitions. [2019-09-20 13:32:48,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2019-09-20 13:32:48,721 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:32:48,721 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] [2019-09-20 13:32:48,721 INFO L418 AbstractCegarLoop]: === Iteration 4 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:32:48,722 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:32:48,722 INFO L82 PathProgramCache]: Analyzing trace with hash -1926011288, now seen corresponding path program 1 times [2019-09-20 13:32:48,722 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-20 13:32:48,735 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:32:48,735 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:32:48,735 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:32:48,735 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-20 13:32:48,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:32:49,232 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2019-09-20 13:32:49,233 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:32:49,233 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-20 13:32:49,233 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-20 13:32:49,235 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-20 13:32:49,236 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-20 13:32:49,236 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-20 13:32:49,236 INFO L87 Difference]: Start difference. First operand 2556 states and 3313 transitions. Second operand 3 states. [2019-09-20 13:32:49,326 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:32:49,326 INFO L93 Difference]: Finished difference Result 2666 states and 3499 transitions. [2019-09-20 13:32:49,326 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-20 13:32:49,326 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 140 [2019-09-20 13:32:49,329 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:32:49,347 INFO L225 Difference]: With dead ends: 2666 [2019-09-20 13:32:49,348 INFO L226 Difference]: Without dead ends: 2665 [2019-09-20 13:32:49,348 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 [2019-09-20 13:32:49,352 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2665 states. [2019-09-20 13:32:49,421 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2665 to 2663. [2019-09-20 13:32:49,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2663 states. [2019-09-20 13:32:49,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2663 states to 2663 states and 3495 transitions. [2019-09-20 13:32:49,448 INFO L78 Accepts]: Start accepts. Automaton has 2663 states and 3495 transitions. Word has length 140 [2019-09-20 13:32:49,448 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:32:49,449 INFO L475 AbstractCegarLoop]: Abstraction has 2663 states and 3495 transitions. [2019-09-20 13:32:49,449 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-20 13:32:49,449 INFO L276 IsEmpty]: Start isEmpty. Operand 2663 states and 3495 transitions. [2019-09-20 13:32:49,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2019-09-20 13:32:49,461 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:32:49,462 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] [2019-09-20 13:32:49,462 INFO L418 AbstractCegarLoop]: === Iteration 5 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:32:49,462 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:32:49,462 INFO L82 PathProgramCache]: Analyzing trace with hash 834736603, now seen corresponding path program 1 times [2019-09-20 13:32:49,462 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-20 13:32:49,473 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:32:49,473 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:32:49,474 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:32:49,474 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-20 13:32:49,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:32:49,921 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2019-09-20 13:32:49,922 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:32:49,922 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-20 13:32:49,922 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-20 13:32:49,923 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-20 13:32:49,923 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-20 13:32:49,924 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-20 13:32:49,924 INFO L87 Difference]: Start difference. First operand 2663 states and 3495 transitions. Second operand 5 states. [2019-09-20 13:32:57,372 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:32:57,373 INFO L93 Difference]: Finished difference Result 1181 states and 1537 transitions. [2019-09-20 13:32:57,373 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-09-20 13:32:57,373 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 182 [2019-09-20 13:32:57,374 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:32:57,383 INFO L225 Difference]: With dead ends: 1181 [2019-09-20 13:32:57,383 INFO L226 Difference]: Without dead ends: 1181 [2019-09-20 13:32:57,384 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 [2019-09-20 13:32:57,387 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1181 states. [2019-09-20 13:32:57,414 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1181 to 1178. [2019-09-20 13:32:57,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1178 states. [2019-09-20 13:32:57,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1178 states to 1178 states and 1533 transitions. [2019-09-20 13:32:57,422 INFO L78 Accepts]: Start accepts. Automaton has 1178 states and 1533 transitions. Word has length 182 [2019-09-20 13:32:57,423 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:32:57,423 INFO L475 AbstractCegarLoop]: Abstraction has 1178 states and 1533 transitions. [2019-09-20 13:32:57,423 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-20 13:32:57,423 INFO L276 IsEmpty]: Start isEmpty. Operand 1178 states and 1533 transitions. [2019-09-20 13:32:57,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2019-09-20 13:32:57,430 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:32:57,431 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] [2019-09-20 13:32:57,431 INFO L418 AbstractCegarLoop]: === Iteration 6 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:32:57,431 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:32:57,431 INFO L82 PathProgramCache]: Analyzing trace with hash 66509897, now seen corresponding path program 1 times [2019-09-20 13:32:57,432 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-20 13:32:57,446 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:32:57,447 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:32:57,448 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:32:57,448 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-20 13:32:57,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:32:57,871 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2019-09-20 13:32:57,871 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:32:57,872 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-09-20 13:32:57,872 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-20 13:32:57,872 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-09-20 13:32:57,873 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-09-20 13:32:57,873 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-09-20 13:32:57,873 INFO L87 Difference]: Start difference. First operand 1178 states and 1533 transitions. Second operand 6 states. [2019-09-20 13:32:58,005 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:32:58,005 INFO L93 Difference]: Finished difference Result 1190 states and 1547 transitions. [2019-09-20 13:32:58,006 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-09-20 13:32:58,006 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 196 [2019-09-20 13:32:58,007 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:32:58,017 INFO L225 Difference]: With dead ends: 1190 [2019-09-20 13:32:58,017 INFO L226 Difference]: Without dead ends: 1190 [2019-09-20 13:32:58,018 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 [2019-09-20 13:32:58,022 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1190 states. [2019-09-20 13:32:58,055 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1190 to 1184. [2019-09-20 13:32:58,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1184 states. [2019-09-20 13:32:58,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1184 states to 1184 states and 1540 transitions. [2019-09-20 13:32:58,061 INFO L78 Accepts]: Start accepts. Automaton has 1184 states and 1540 transitions. Word has length 196 [2019-09-20 13:32:58,061 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:32:58,061 INFO L475 AbstractCegarLoop]: Abstraction has 1184 states and 1540 transitions. [2019-09-20 13:32:58,062 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-09-20 13:32:58,062 INFO L276 IsEmpty]: Start isEmpty. Operand 1184 states and 1540 transitions. [2019-09-20 13:32:58,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2019-09-20 13:32:58,070 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:32:58,070 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] [2019-09-20 13:32:58,071 INFO L418 AbstractCegarLoop]: === Iteration 7 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:32:58,071 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:32:58,071 INFO L82 PathProgramCache]: Analyzing trace with hash 1852735302, now seen corresponding path program 1 times [2019-09-20 13:32:58,071 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-20 13:32:58,082 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:32:58,082 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:32:58,082 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:32:58,082 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-20 13:32:58,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:32:58,551 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2019-09-20 13:32:58,551 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:32:58,552 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-09-20 13:32:58,552 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-20 13:32:58,552 INFO L454 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-09-20 13:32:58,553 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-09-20 13:32:58,554 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2019-09-20 13:32:58,554 INFO L87 Difference]: Start difference. First operand 1184 states and 1540 transitions. Second operand 7 states.