java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --abstractinterpretationv2.abstract.domain IntervalDomain --traceabstraction.trace.refinement.strategy TAIPAN --traceabstraction.abstract.interpretation.mode USE_PREDICATES -i ../../../trunk/examples/svcomp/ldv-linux-3.0/usb_urb-drivers-usb-serial-whiteheat.ko.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f4eb214f-m [2019-10-13 20:22:34,248 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-13 20:22:34,250 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-13 20:22:34,265 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-13 20:22:34,265 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-13 20:22:34,267 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-13 20:22:34,269 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-13 20:22:34,279 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-13 20:22:34,283 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-13 20:22:34,287 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-13 20:22:34,288 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-13 20:22:34,289 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-13 20:22:34,290 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-13 20:22:34,291 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-13 20:22:34,293 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-13 20:22:34,295 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-13 20:22:34,296 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-13 20:22:34,297 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-13 20:22:34,299 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-13 20:22:34,303 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-13 20:22:34,307 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-13 20:22:34,309 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-13 20:22:34,311 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-13 20:22:34,312 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-13 20:22:34,314 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-13 20:22:34,314 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-13 20:22:34,314 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-13 20:22:34,316 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-13 20:22:34,316 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-13 20:22:34,317 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-13 20:22:34,317 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-13 20:22:34,318 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-13 20:22:34,319 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-13 20:22:34,319 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-13 20:22:34,320 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-13 20:22:34,320 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-13 20:22:34,321 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-13 20:22:34,321 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-13 20:22:34,321 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-13 20:22:34,322 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-13 20:22:34,322 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-13 20:22:34,323 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-13 20:22:34,337 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-13 20:22:34,337 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-13 20:22:34,339 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-13 20:22:34,339 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-13 20:22:34,339 INFO L138 SettingsManager]: * Use SBE=true [2019-10-13 20:22:34,339 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-13 20:22:34,339 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-13 20:22:34,340 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-13 20:22:34,340 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-13 20:22:34,340 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-13 20:22:34,340 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-13 20:22:34,340 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-13 20:22:34,341 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-13 20:22:34,341 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-13 20:22:34,341 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-13 20:22:34,344 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-13 20:22:34,344 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-13 20:22:34,345 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-13 20:22:34,345 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-13 20:22:34,345 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-13 20:22:34,345 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-13 20:22:34,345 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 20:22:34,346 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-13 20:22:34,346 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-13 20:22:34,346 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-13 20:22:34,346 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-13 20:22:34,346 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-13 20:22:34,347 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-13 20:22:34,347 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: Abstract domain -> IntervalDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Abstract interpretation Mode -> USE_PREDICATES [2019-10-13 20:22:34,621 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-13 20:22:34,634 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-13 20:22:34,638 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-13 20:22:34,639 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-13 20:22:34,640 INFO L275 PluginConnector]: CDTParser initialized [2019-10-13 20:22:34,640 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.0/usb_urb-drivers-usb-serial-whiteheat.ko.cil.out.i [2019-10-13 20:22:34,712 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f1f811ab4/8882825fc5df4f52b53fcced086e1563/FLAGfbc740154 [2019-10-13 20:22:35,539 INFO L306 CDTParser]: Found 1 translation units. [2019-10-13 20:22:35,540 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-3.0/usb_urb-drivers-usb-serial-whiteheat.ko.cil.out.i [2019-10-13 20:22:35,589 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f1f811ab4/8882825fc5df4f52b53fcced086e1563/FLAGfbc740154 [2019-10-13 20:22:36,089 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f1f811ab4/8882825fc5df4f52b53fcced086e1563 [2019-10-13 20:22:36,097 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-13 20:22:36,099 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-13 20:22:36,100 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-13 20:22:36,100 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-13 20:22:36,104 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-13 20:22:36,104 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 08:22:36" (1/1) ... [2019-10-13 20:22:36,107 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5afc9091 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:22:36, skipping insertion in model container [2019-10-13 20:22:36,108 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 08:22:36" (1/1) ... [2019-10-13 20:22:36,115 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-13 20:22:36,232 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-13 20:22:37,949 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 20:22:37,994 INFO L188 MainTranslator]: Completed pre-run [2019-10-13 20:22:38,255 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 20:22:38,612 INFO L192 MainTranslator]: Completed translation [2019-10-13 20:22:38,613 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:22:38 WrapperNode [2019-10-13 20:22:38,613 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-13 20:22:38,614 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-13 20:22:38,614 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-13 20:22:38,615 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-13 20:22:38,636 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:22:38" (1/1) ... [2019-10-13 20:22:38,636 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:22:38" (1/1) ... [2019-10-13 20:22:38,716 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:22:38" (1/1) ... [2019-10-13 20:22:38,716 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:22:38" (1/1) ... [2019-10-13 20:22:38,853 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:22:38" (1/1) ... [2019-10-13 20:22:38,896 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:22:38" (1/1) ... [2019-10-13 20:22:38,924 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:22:38" (1/1) ... [2019-10-13 20:22:38,946 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-13 20:22:38,946 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-13 20:22:38,947 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-13 20:22:38,947 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-13 20:22:38,948 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:22:38" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 20:22:39,034 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-13 20:22:39,034 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-13 20:22:39,035 INFO L138 BoogieDeclarations]: Found implementation of procedure __arch_swab32 [2019-10-13 20:22:39,035 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2019-10-13 20:22:39,035 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2019-10-13 20:22:39,035 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2019-10-13 20:22:39,036 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2019-10-13 20:22:39,036 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2019-10-13 20:22:39,036 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2019-10-13 20:22:39,036 INFO L138 BoogieDeclarations]: Found implementation of procedure list_move [2019-10-13 20:22:39,036 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2019-10-13 20:22:39,037 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2019-10-13 20:22:39,037 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2019-10-13 20:22:39,037 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2019-10-13 20:22:39,037 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2019-10-13 20:22:39,037 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2019-10-13 20:22:39,038 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2019-10-13 20:22:39,038 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2019-10-13 20:22:39,038 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2019-10-13 20:22:39,041 INFO L138 BoogieDeclarations]: Found implementation of procedure device_private_init [2019-10-13 20:22:39,042 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2019-10-13 20:22:39,042 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2019-10-13 20:22:39,042 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_insert_flip_string [2019-10-13 20:22:39,042 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register [2019-10-13 20:22:39,043 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_bulk_urb [2019-10-13 20:22:39,045 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2019-10-13 20:22:39,045 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_serial_port_data [2019-10-13 20:22:39,045 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_serial_port_data [2019-10-13 20:22:39,045 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_debug_data [2019-10-13 20:22:39,046 INFO L138 BoogieDeclarations]: Found implementation of procedure ihex_next_binrec [2019-10-13 20:22:39,046 INFO L138 BoogieDeclarations]: Found implementation of procedure ihex_validate_fw [2019-10-13 20:22:39,046 INFO L138 BoogieDeclarations]: Found implementation of procedure request_ihex_firmware [2019-10-13 20:22:39,046 INFO L138 BoogieDeclarations]: Found implementation of procedure whiteheat_firmware_download [2019-10-13 20:22:39,047 INFO L138 BoogieDeclarations]: Found implementation of procedure whiteheat_firmware_attach [2019-10-13 20:22:39,047 INFO L138 BoogieDeclarations]: Found implementation of procedure whiteheat_attach [2019-10-13 20:22:39,047 INFO L138 BoogieDeclarations]: Found implementation of procedure whiteheat_release [2019-10-13 20:22:39,048 INFO L138 BoogieDeclarations]: Found implementation of procedure whiteheat_open [2019-10-13 20:22:39,048 INFO L138 BoogieDeclarations]: Found implementation of procedure whiteheat_close [2019-10-13 20:22:39,048 INFO L138 BoogieDeclarations]: Found implementation of procedure whiteheat_write [2019-10-13 20:22:39,048 INFO L138 BoogieDeclarations]: Found implementation of procedure whiteheat_write_room [2019-10-13 20:22:39,049 INFO L138 BoogieDeclarations]: Found implementation of procedure whiteheat_tiocmget [2019-10-13 20:22:39,049 INFO L138 BoogieDeclarations]: Found implementation of procedure whiteheat_tiocmset [2019-10-13 20:22:39,049 INFO L138 BoogieDeclarations]: Found implementation of procedure whiteheat_ioctl [2019-10-13 20:22:39,049 INFO L138 BoogieDeclarations]: Found implementation of procedure whiteheat_set_termios [2019-10-13 20:22:39,050 INFO L138 BoogieDeclarations]: Found implementation of procedure whiteheat_break_ctl [2019-10-13 20:22:39,050 INFO L138 BoogieDeclarations]: Found implementation of procedure whiteheat_chars_in_buffer [2019-10-13 20:22:39,050 INFO L138 BoogieDeclarations]: Found implementation of procedure whiteheat_throttle [2019-10-13 20:22:39,050 INFO L138 BoogieDeclarations]: Found implementation of procedure whiteheat_unthrottle [2019-10-13 20:22:39,050 INFO L138 BoogieDeclarations]: Found implementation of procedure command_port_write_callback [2019-10-13 20:22:39,051 INFO L138 BoogieDeclarations]: Found implementation of procedure command_port_read_callback [2019-10-13 20:22:39,051 INFO L138 BoogieDeclarations]: Found implementation of procedure whiteheat_read_callback [2019-10-13 20:22:39,051 INFO L138 BoogieDeclarations]: Found implementation of procedure whiteheat_write_callback [2019-10-13 20:22:39,051 INFO L138 BoogieDeclarations]: Found implementation of procedure firm_send_command [2019-10-13 20:22:39,051 INFO L138 BoogieDeclarations]: Found implementation of procedure firm_open [2019-10-13 20:22:39,052 INFO L138 BoogieDeclarations]: Found implementation of procedure firm_close [2019-10-13 20:22:39,052 INFO L138 BoogieDeclarations]: Found implementation of procedure firm_setup_port [2019-10-13 20:22:39,052 INFO L138 BoogieDeclarations]: Found implementation of procedure firm_set_rts [2019-10-13 20:22:39,052 INFO L138 BoogieDeclarations]: Found implementation of procedure firm_set_dtr [2019-10-13 20:22:39,053 INFO L138 BoogieDeclarations]: Found implementation of procedure firm_set_break [2019-10-13 20:22:39,053 INFO L138 BoogieDeclarations]: Found implementation of procedure firm_purge [2019-10-13 20:22:39,053 INFO L138 BoogieDeclarations]: Found implementation of procedure firm_get_dtr_rts [2019-10-13 20:22:39,053 INFO L138 BoogieDeclarations]: Found implementation of procedure firm_report_tx_done [2019-10-13 20:22:39,054 INFO L138 BoogieDeclarations]: Found implementation of procedure start_command_port [2019-10-13 20:22:39,054 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_command_port [2019-10-13 20:22:39,055 INFO L138 BoogieDeclarations]: Found implementation of procedure start_port_read [2019-10-13 20:22:39,055 INFO L138 BoogieDeclarations]: Found implementation of procedure urb_to_wrap [2019-10-13 20:22:39,055 INFO L138 BoogieDeclarations]: Found implementation of procedure list_first [2019-10-13 20:22:39,055 INFO L138 BoogieDeclarations]: Found implementation of procedure rx_data_softint [2019-10-13 20:22:39,056 INFO L138 BoogieDeclarations]: Found implementation of procedure whiteheat_init [2019-10-13 20:22:39,056 INFO L138 BoogieDeclarations]: Found implementation of procedure whiteheat_exit [2019-10-13 20:22:39,056 INFO L138 BoogieDeclarations]: Found implementation of procedure init_module [2019-10-13 20:22:39,056 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup_module [2019-10-13 20:22:39,057 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-13 20:22:39,058 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_blast_assert [2019-10-13 20:22:39,058 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume_stop [2019-10-13 20:22:39,058 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_coherent [2019-10-13 20:22:39,059 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_coherent [2019-10-13 20:22:39,060 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2019-10-13 20:22:39,060 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2019-10-13 20:22:39,061 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-10-13 20:22:39,061 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2019-10-13 20:22:39,062 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2019-10-13 20:22:39,062 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2019-10-13 20:22:39,062 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2019-10-13 20:22:39,063 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_del_entry [2019-10-13 20:22:39,063 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2019-10-13 20:22:39,063 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2019-10-13 20:22:39,065 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2019-10-13 20:22:39,065 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2019-10-13 20:22:39,065 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2019-10-13 20:22:39,066 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock [2019-10-13 20:22:39,066 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irq [2019-10-13 20:22:39,066 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2019-10-13 20:22:39,066 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock [2019-10-13 20:22:39,066 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irq [2019-10-13 20:22:39,066 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irqrestore [2019-10-13 20:22:39,067 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2019-10-13 20:22:39,067 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_printk [2019-10-13 20:22:39,067 INFO L138 BoogieDeclarations]: Found implementation of procedure ezusb_set_reset [2019-10-13 20:22:39,067 INFO L138 BoogieDeclarations]: Found implementation of procedure ezusb_writememory [2019-10-13 20:22:39,067 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2019-10-13 20:22:39,067 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2019-10-13 20:22:39,068 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value [2019-10-13 20:22:39,068 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-10-13 20:22:39,068 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undefined_pointer [2019-10-13 20:22:39,068 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2019-10-13 20:22:39,068 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2019-10-13 20:22:39,069 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2019-10-13 20:22:39,069 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2019-10-13 20:22:39,069 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2019-10-13 20:22:39,069 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait [2019-10-13 20:22:39,069 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2019-10-13 20:22:39,069 INFO L138 BoogieDeclarations]: Found implementation of procedure release_firmware [2019-10-13 20:22:39,070 INFO L138 BoogieDeclarations]: Found implementation of procedure request_firmware [2019-10-13 20:22:39,070 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout [2019-10-13 20:22:39,070 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2019-10-13 20:22:39,071 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_encode_baud_rate [2019-10-13 20:22:39,071 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_flip_buffer_push [2019-10-13 20:22:39,071 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_get_baud_rate [2019-10-13 20:22:39,071 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_insert_flip_string_fixed_flag [2019-10-13 20:22:39,072 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_kref_put [2019-10-13 20:22:39,072 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_port_tty_get [2019-10-13 20:22:39,072 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_bulk_msg [2019-10-13 20:22:39,073 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_clear_halt [2019-10-13 20:22:39,074 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_deregister [2019-10-13 20:22:39,074 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2019-10-13 20:22:39,074 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register_driver [2019-10-13 20:22:39,074 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_deregister [2019-10-13 20:22:39,075 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_port_softint [2019-10-13 20:22:39,075 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_register [2019-10-13 20:22:39,075 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2019-10-13 20:22:39,076 INFO L138 BoogieDeclarations]: Found implementation of procedure autoremove_wake_function [2019-10-13 20:22:39,076 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-10-13 20:22:39,076 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-10-13 20:22:39,077 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-10-13 20:22:39,077 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-10-13 20:22:39,078 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-13 20:22:39,082 INFO L130 BoogieDeclarations]: Found specification of procedure __arch_swab32 [2019-10-13 20:22:39,083 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2019-10-13 20:22:39,083 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2019-10-13 20:22:39,083 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2019-10-13 20:22:39,083 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2019-10-13 20:22:39,084 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2019-10-13 20:22:39,084 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2019-10-13 20:22:39,092 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-10-13 20:22:39,092 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-10-13 20:22:39,093 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2019-10-13 20:22:39,093 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-13 20:22:39,093 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2019-10-13 20:22:39,093 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2019-10-13 20:22:39,094 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-13 20:22:39,094 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2019-10-13 20:22:39,094 INFO L130 BoogieDeclarations]: Found specification of procedure __list_del_entry [2019-10-13 20:22:39,095 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2019-10-13 20:22:39,095 INFO L130 BoogieDeclarations]: Found specification of procedure list_move [2019-10-13 20:22:39,095 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2019-10-13 20:22:39,096 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2019-10-13 20:22:39,096 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2019-10-13 20:22:39,096 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock [2019-10-13 20:22:39,096 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irq [2019-10-13 20:22:39,096 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2019-10-13 20:22:39,097 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock [2019-10-13 20:22:39,097 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irq [2019-10-13 20:22:39,097 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore [2019-10-13 20:22:39,097 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2019-10-13 20:22:39,098 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2019-10-13 20:22:39,098 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2019-10-13 20:22:39,098 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2019-10-13 20:22:39,098 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2019-10-13 20:22:39,098 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2019-10-13 20:22:39,099 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2019-10-13 20:22:39,099 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2019-10-13 20:22:39,099 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait [2019-10-13 20:22:39,099 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2019-10-13 20:22:39,099 INFO L130 BoogieDeclarations]: Found specification of procedure autoremove_wake_function [2019-10-13 20:22:39,100 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2019-10-13 20:22:39,100 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2019-10-13 20:22:39,100 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2019-10-13 20:22:39,100 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2019-10-13 20:22:39,100 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2019-10-13 20:22:39,101 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-10-13 20:22:39,101 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2019-10-13 20:22:39,101 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2019-10-13 20:22:39,101 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2019-10-13 20:22:39,102 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2019-10-13 20:22:39,102 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2019-10-13 20:22:39,102 INFO L130 BoogieDeclarations]: Found specification of procedure init_module [2019-10-13 20:22:39,102 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup_module [2019-10-13 20:22:39,102 INFO L130 BoogieDeclarations]: Found specification of procedure device_private_init [2019-10-13 20:22:39,103 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2019-10-13 20:22:39,103 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2019-10-13 20:22:39,103 INFO L130 BoogieDeclarations]: Found specification of procedure dev_printk [2019-10-13 20:22:39,103 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2019-10-13 20:22:39,104 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2019-10-13 20:22:39,104 INFO L130 BoogieDeclarations]: Found specification of procedure tty_kref_put [2019-10-13 20:22:39,104 INFO L130 BoogieDeclarations]: Found specification of procedure tty_flip_buffer_push [2019-10-13 20:22:39,104 INFO L130 BoogieDeclarations]: Found specification of procedure tty_get_baud_rate [2019-10-13 20:22:39,104 INFO L130 BoogieDeclarations]: Found specification of procedure tty_encode_baud_rate [2019-10-13 20:22:39,105 INFO L130 BoogieDeclarations]: Found specification of procedure tty_port_tty_get [2019-10-13 20:22:39,105 INFO L130 BoogieDeclarations]: Found specification of procedure tty_insert_flip_string_fixed_flag [2019-10-13 20:22:39,105 INFO L130 BoogieDeclarations]: Found specification of procedure tty_insert_flip_string [2019-10-13 20:22:39,105 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout [2019-10-13 20:22:39,105 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register_driver [2019-10-13 20:22:39,106 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register [2019-10-13 20:22:39,107 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-13 20:22:39,107 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister [2019-10-13 20:22:39,107 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_bulk_urb [2019-10-13 20:22:39,107 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-13 20:22:39,109 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2019-10-13 20:22:39,109 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2019-10-13 20:22:39,109 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2019-10-13 20:22:39,109 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2019-10-13 20:22:39,109 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_coherent [2019-10-13 20:22:39,109 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_coherent [2019-10-13 20:22:39,109 INFO L130 BoogieDeclarations]: Found specification of procedure usb_bulk_msg [2019-10-13 20:22:39,110 INFO L130 BoogieDeclarations]: Found specification of procedure usb_clear_halt [2019-10-13 20:22:39,110 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2019-10-13 20:22:39,110 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-13 20:22:39,110 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_serial_port_data [2019-10-13 20:22:39,110 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_serial_port_data [2019-10-13 20:22:39,110 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_register [2019-10-13 20:22:39,110 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_deregister [2019-10-13 20:22:39,110 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_port_softint [2019-10-13 20:22:39,111 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_probe [2019-10-13 20:22:39,111 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_disconnect [2019-10-13 20:22:39,111 INFO L130 BoogieDeclarations]: Found specification of procedure ezusb_writememory [2019-10-13 20:22:39,111 INFO L130 BoogieDeclarations]: Found specification of procedure ezusb_set_reset [2019-10-13 20:22:39,111 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_debug_data [2019-10-13 20:22:39,111 INFO L130 BoogieDeclarations]: Found specification of procedure request_firmware [2019-10-13 20:22:39,111 INFO L130 BoogieDeclarations]: Found specification of procedure release_firmware [2019-10-13 20:22:39,111 INFO L130 BoogieDeclarations]: Found specification of procedure ihex_next_binrec [2019-10-13 20:22:39,111 INFO L130 BoogieDeclarations]: Found specification of procedure ihex_validate_fw [2019-10-13 20:22:39,111 INFO L130 BoogieDeclarations]: Found specification of procedure request_ihex_firmware [2019-10-13 20:22:39,112 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-13 20:22:39,112 INFO L130 BoogieDeclarations]: Found specification of procedure whiteheat_firmware_download [2019-10-13 20:22:39,112 INFO L130 BoogieDeclarations]: Found specification of procedure whiteheat_firmware_attach [2019-10-13 20:22:39,112 INFO L130 BoogieDeclarations]: Found specification of procedure whiteheat_attach [2019-10-13 20:22:39,112 INFO L130 BoogieDeclarations]: Found specification of procedure whiteheat_release [2019-10-13 20:22:39,112 INFO L130 BoogieDeclarations]: Found specification of procedure whiteheat_open [2019-10-13 20:22:39,112 INFO L130 BoogieDeclarations]: Found specification of procedure whiteheat_close [2019-10-13 20:22:39,112 INFO L130 BoogieDeclarations]: Found specification of procedure whiteheat_write [2019-10-13 20:22:39,112 INFO L130 BoogieDeclarations]: Found specification of procedure whiteheat_write_room [2019-10-13 20:22:39,113 INFO L130 BoogieDeclarations]: Found specification of procedure whiteheat_ioctl [2019-10-13 20:22:39,113 INFO L130 BoogieDeclarations]: Found specification of procedure whiteheat_set_termios [2019-10-13 20:22:39,113 INFO L130 BoogieDeclarations]: Found specification of procedure whiteheat_tiocmget [2019-10-13 20:22:39,113 INFO L130 BoogieDeclarations]: Found specification of procedure whiteheat_tiocmset [2019-10-13 20:22:39,113 INFO L130 BoogieDeclarations]: Found specification of procedure whiteheat_break_ctl [2019-10-13 20:22:39,113 INFO L130 BoogieDeclarations]: Found specification of procedure whiteheat_chars_in_buffer [2019-10-13 20:22:39,113 INFO L130 BoogieDeclarations]: Found specification of procedure whiteheat_throttle [2019-10-13 20:22:39,113 INFO L130 BoogieDeclarations]: Found specification of procedure whiteheat_unthrottle [2019-10-13 20:22:39,113 INFO L130 BoogieDeclarations]: Found specification of procedure whiteheat_read_callback [2019-10-13 20:22:39,113 INFO L130 BoogieDeclarations]: Found specification of procedure whiteheat_write_callback [2019-10-13 20:22:39,114 INFO L130 BoogieDeclarations]: Found specification of procedure start_command_port [2019-10-13 20:22:39,114 INFO L130 BoogieDeclarations]: Found specification of procedure stop_command_port [2019-10-13 20:22:39,114 INFO L130 BoogieDeclarations]: Found specification of procedure command_port_write_callback [2019-10-13 20:22:39,114 INFO L130 BoogieDeclarations]: Found specification of procedure command_port_read_callback [2019-10-13 20:22:39,114 INFO L130 BoogieDeclarations]: Found specification of procedure start_port_read [2019-10-13 20:22:39,114 INFO L130 BoogieDeclarations]: Found specification of procedure urb_to_wrap [2019-10-13 20:22:39,114 INFO L130 BoogieDeclarations]: Found specification of procedure list_first [2019-10-13 20:22:39,114 INFO L130 BoogieDeclarations]: Found specification of procedure rx_data_softint [2019-10-13 20:22:39,115 INFO L130 BoogieDeclarations]: Found specification of procedure firm_send_command [2019-10-13 20:22:39,115 INFO L130 BoogieDeclarations]: Found specification of procedure firm_open [2019-10-13 20:22:39,115 INFO L130 BoogieDeclarations]: Found specification of procedure firm_close [2019-10-13 20:22:39,116 INFO L130 BoogieDeclarations]: Found specification of procedure firm_setup_port [2019-10-13 20:22:39,120 INFO L130 BoogieDeclarations]: Found specification of procedure firm_set_rts [2019-10-13 20:22:39,120 INFO L130 BoogieDeclarations]: Found specification of procedure firm_set_dtr [2019-10-13 20:22:39,120 INFO L130 BoogieDeclarations]: Found specification of procedure firm_set_break [2019-10-13 20:22:39,121 INFO L130 BoogieDeclarations]: Found specification of procedure firm_purge [2019-10-13 20:22:39,121 INFO L130 BoogieDeclarations]: Found specification of procedure firm_get_dtr_rts [2019-10-13 20:22:39,121 INFO L130 BoogieDeclarations]: Found specification of procedure firm_report_tx_done [2019-10-13 20:22:39,121 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-10-13 20:22:39,121 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-10-13 20:22:39,124 INFO L130 BoogieDeclarations]: Found specification of procedure whiteheat_init [2019-10-13 20:22:39,124 INFO L130 BoogieDeclarations]: Found specification of procedure whiteheat_exit [2019-10-13 20:22:39,125 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-10-13 20:22:39,125 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value [2019-10-13 20:22:39,125 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-10-13 20:22:39,125 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-13 20:22:39,125 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-13 20:22:39,126 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_blast_assert [2019-10-13 20:22:39,127 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undefined_pointer [2019-10-13 20:22:39,127 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume_stop [2019-10-13 20:22:39,127 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-10-13 20:22:39,128 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-10-13 20:22:39,128 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2019-10-13 20:22:39,128 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2019-10-13 20:22:39,128 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-10-13 20:22:39,128 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-13 20:22:39,129 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-13 20:22:39,129 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-13 20:22:39,129 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-10-13 20:22:39,129 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-13 20:22:39,129 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2019-10-13 20:22:39,130 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2019-10-13 20:22:39,130 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-10-13 20:22:39,130 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-10-13 20:22:40,655 WARN L732 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-10-13 20:22:40,671 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##10: assume !false; [2019-10-13 20:22:40,671 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##9: assume false; [2019-10-13 20:22:40,688 WARN L732 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-10-13 20:22:40,848 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##12: assume !false; [2019-10-13 20:22:40,849 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##11: assume false; [2019-10-13 20:22:41,611 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_assume_stopFINAL: assume true; [2019-10-13 20:22:48,366 WARN L732 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-10-13 20:22:48,446 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##54: assume !false; [2019-10-13 20:22:48,446 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##53: assume false; [2019-10-13 20:22:48,767 WARN L732 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-10-13 20:22:48,907 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##8: assume !false; [2019-10-13 20:22:48,908 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##7: assume false; [2019-10-13 20:22:49,466 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-13 20:22:49,467 INFO L284 CfgBuilder]: Removed 104 assume(true) statements. [2019-10-13 20:22:49,468 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 08:22:49 BoogieIcfgContainer [2019-10-13 20:22:49,469 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-13 20:22:49,470 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-13 20:22:49,470 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-13 20:22:49,473 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-13 20:22:49,473 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 08:22:36" (1/3) ... [2019-10-13 20:22:49,473 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6fae225d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 08:22:49, skipping insertion in model container [2019-10-13 20:22:49,474 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:22:38" (2/3) ... [2019-10-13 20:22:49,474 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6fae225d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 08:22:49, skipping insertion in model container [2019-10-13 20:22:49,474 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 08:22:49" (3/3) ... [2019-10-13 20:22:49,476 INFO L109 eAbstractionObserver]: Analyzing ICFG usb_urb-drivers-usb-serial-whiteheat.ko.cil.out.i [2019-10-13 20:22:49,485 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-13 20:22:49,494 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-13 20:22:49,506 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-13 20:22:49,539 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-13 20:22:49,539 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-13 20:22:49,539 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-13 20:22:49,539 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-13 20:22:49,539 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-13 20:22:49,539 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-13 20:22:49,540 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-13 20:22:49,540 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-13 20:22:49,582 INFO L276 IsEmpty]: Start isEmpty. Operand 1377 states. [2019-10-13 20:22:49,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-10-13 20:22:49,588 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 20:22:49,589 INFO L380 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] [2019-10-13 20:22:49,591 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 20:22:49,597 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 20:22:49,597 INFO L82 PathProgramCache]: Analyzing trace with hash 258149490, now seen corresponding path program 1 times [2019-10-13 20:22:49,606 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 20:22:49,607 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [352089829] [2019-10-13 20:22:49,607 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:22:49,607 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:22:49,607 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 20:22:50,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 20:22:50,427 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 20:22:50,428 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [352089829] [2019-10-13 20:22:50,429 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 20:22:50,429 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 20:22:50,429 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [400032950] [2019-10-13 20:22:50,434 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 20:22:50,436 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 20:22:50,451 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 20:22:50,453 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 20:22:50,455 INFO L87 Difference]: Start difference. First operand 1377 states. Second operand 3 states. [2019-10-13 20:22:50,770 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 20:22:50,770 INFO L93 Difference]: Finished difference Result 3878 states and 5746 transitions. [2019-10-13 20:22:50,771 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 20:22:50,772 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 26 [2019-10-13 20:22:50,773 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 20:22:50,817 INFO L225 Difference]: With dead ends: 3878 [2019-10-13 20:22:50,818 INFO L226 Difference]: Without dead ends: 2580 [2019-10-13 20:22:50,836 INFO L600 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 [2019-10-13 20:22:50,934 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2580 states. [2019-10-13 20:22:51,191 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2580 to 2577. [2019-10-13 20:22:51,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2577 states. [2019-10-13 20:22:51,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2577 states to 2577 states and 3345 transitions. [2019-10-13 20:22:51,219 INFO L78 Accepts]: Start accepts. Automaton has 2577 states and 3345 transitions. Word has length 26 [2019-10-13 20:22:51,220 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 20:22:51,220 INFO L462 AbstractCegarLoop]: Abstraction has 2577 states and 3345 transitions. [2019-10-13 20:22:51,220 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 20:22:51,220 INFO L276 IsEmpty]: Start isEmpty. Operand 2577 states and 3345 transitions. [2019-10-13 20:22:51,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2019-10-13 20:22:51,223 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 20:22:51,223 INFO L380 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] [2019-10-13 20:22:51,223 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 20:22:51,223 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 20:22:51,223 INFO L82 PathProgramCache]: Analyzing trace with hash -588196673, now seen corresponding path program 1 times [2019-10-13 20:22:51,224 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 20:22:51,224 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [742385839] [2019-10-13 20:22:51,224 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:22:51,224 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:22:51,224 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 20:22:51,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 20:22:51,606 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 20:22:51,606 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [742385839] [2019-10-13 20:22:51,606 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 20:22:51,607 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 20:22:51,607 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1035336200] [2019-10-13 20:22:51,608 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 20:22:51,609 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 20:22:51,609 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 20:22:51,609 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 20:22:51,609 INFO L87 Difference]: Start difference. First operand 2577 states and 3345 transitions. Second operand 3 states. [2019-10-13 20:22:51,678 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 20:22:51,678 INFO L93 Difference]: Finished difference Result 2579 states and 3346 transitions. [2019-10-13 20:22:51,678 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 20:22:51,678 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 27 [2019-10-13 20:22:51,679 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 20:22:51,698 INFO L225 Difference]: With dead ends: 2579 [2019-10-13 20:22:51,698 INFO L226 Difference]: Without dead ends: 2564 [2019-10-13 20:22:51,704 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 20:22:51,709 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2564 states. [2019-10-13 20:22:51,811 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2564 to 2564. [2019-10-13 20:22:51,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2564 states. [2019-10-13 20:22:51,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2564 states to 2564 states and 3325 transitions. [2019-10-13 20:22:51,827 INFO L78 Accepts]: Start accepts. Automaton has 2564 states and 3325 transitions. Word has length 27 [2019-10-13 20:22:51,828 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 20:22:51,828 INFO L462 AbstractCegarLoop]: Abstraction has 2564 states and 3325 transitions. [2019-10-13 20:22:51,828 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 20:22:51,828 INFO L276 IsEmpty]: Start isEmpty. Operand 2564 states and 3325 transitions. [2019-10-13 20:22:51,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2019-10-13 20:22:51,841 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 20:22:51,842 INFO L380 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] [2019-10-13 20:22:51,842 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 20:22:51,842 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 20:22:51,842 INFO L82 PathProgramCache]: Analyzing trace with hash 326481921, now seen corresponding path program 1 times [2019-10-13 20:22:51,843 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 20:22:51,843 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1588662272] [2019-10-13 20:22:51,843 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:22:51,843 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:22:51,843 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 20:22:51,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 20:22:52,263 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2019-10-13 20:22:52,263 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1588662272] [2019-10-13 20:22:52,263 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 20:22:52,264 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-13 20:22:52,264 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1665530589] [2019-10-13 20:22:52,265 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-13 20:22:52,265 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 20:22:52,265 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-13 20:22:52,266 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-13 20:22:52,266 INFO L87 Difference]: Start difference. First operand 2564 states and 3325 transitions. Second operand 6 states. [2019-10-13 20:22:52,490 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 20:22:52,491 INFO L93 Difference]: Finished difference Result 5091 states and 6608 transitions. [2019-10-13 20:22:52,491 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-13 20:22:52,491 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 124 [2019-10-13 20:22:52,492 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 20:22:52,520 INFO L225 Difference]: With dead ends: 5091 [2019-10-13 20:22:52,520 INFO L226 Difference]: Without dead ends: 2558 [2019-10-13 20:22:52,535 INFO L600 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 [2019-10-13 20:22:52,540 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2558 states. [2019-10-13 20:22:52,637 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2558 to 2558. [2019-10-13 20:22:52,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2558 states. [2019-10-13 20:22:52,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2558 states to 2558 states and 3315 transitions. [2019-10-13 20:22:52,655 INFO L78 Accepts]: Start accepts. Automaton has 2558 states and 3315 transitions. Word has length 124 [2019-10-13 20:22:52,656 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 20:22:52,656 INFO L462 AbstractCegarLoop]: Abstraction has 2558 states and 3315 transitions. [2019-10-13 20:22:52,656 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-13 20:22:52,656 INFO L276 IsEmpty]: Start isEmpty. Operand 2558 states and 3315 transitions. [2019-10-13 20:22:52,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2019-10-13 20:22:52,663 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 20:22:52,663 INFO L380 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] [2019-10-13 20:22:52,663 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 20:22:52,663 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 20:22:52,663 INFO L82 PathProgramCache]: Analyzing trace with hash -1742451383, now seen corresponding path program 1 times [2019-10-13 20:22:52,664 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 20:22:52,664 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [651331056] [2019-10-13 20:22:52,664 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:22:52,664 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:22:52,664 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 20:22:52,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 20:22:53,047 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2019-10-13 20:22:53,047 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [651331056] [2019-10-13 20:22:53,048 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 20:22:53,048 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 20:22:53,048 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1319033900] [2019-10-13 20:22:53,050 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 20:22:53,050 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 20:22:53,050 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 20:22:53,050 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 20:22:53,050 INFO L87 Difference]: Start difference. First operand 2558 states and 3315 transitions. Second operand 3 states. [2019-10-13 20:22:53,209 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 20:22:53,209 INFO L93 Difference]: Finished difference Result 5191 states and 6788 transitions. [2019-10-13 20:22:53,210 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 20:22:53,210 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 140 [2019-10-13 20:22:53,212 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 20:22:53,234 INFO L225 Difference]: With dead ends: 5191 [2019-10-13 20:22:53,234 INFO L226 Difference]: Without dead ends: 2667 [2019-10-13 20:22:53,249 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 20:22:53,254 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2667 states. [2019-10-13 20:22:53,366 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2667 to 2665. [2019-10-13 20:22:53,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2665 states. [2019-10-13 20:22:53,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2665 states to 2665 states and 3497 transitions. [2019-10-13 20:22:53,391 INFO L78 Accepts]: Start accepts. Automaton has 2665 states and 3497 transitions. Word has length 140 [2019-10-13 20:22:53,391 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 20:22:53,392 INFO L462 AbstractCegarLoop]: Abstraction has 2665 states and 3497 transitions. [2019-10-13 20:22:53,392 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 20:22:53,392 INFO L276 IsEmpty]: Start isEmpty. Operand 2665 states and 3497 transitions. [2019-10-13 20:22:53,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2019-10-13 20:22:53,407 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 20:22:53,407 INFO L380 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] [2019-10-13 20:22:53,408 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 20:22:53,408 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 20:22:53,408 INFO L82 PathProgramCache]: Analyzing trace with hash -901819236, now seen corresponding path program 1 times [2019-10-13 20:22:53,408 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 20:22:53,409 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [761429194] [2019-10-13 20:22:53,409 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:22:53,409 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:22:53,409 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 20:22:53,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 20:22:53,979 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2019-10-13 20:22:53,979 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [761429194] [2019-10-13 20:22:53,980 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 20:22:53,980 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-13 20:22:53,981 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1442333625] [2019-10-13 20:22:53,982 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-13 20:22:53,982 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 20:22:53,982 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-13 20:22:53,982 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-13 20:22:53,983 INFO L87 Difference]: Start difference. First operand 2665 states and 3497 transitions. Second operand 5 states. [2019-10-13 20:23:00,089 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 20:23:00,089 INFO L93 Difference]: Finished difference Result 3812 states and 5006 transitions. [2019-10-13 20:23:00,090 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-13 20:23:00,090 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 182 [2019-10-13 20:23:00,091 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 20:23:00,102 INFO L225 Difference]: With dead ends: 3812 [2019-10-13 20:23:00,102 INFO L226 Difference]: Without dead ends: 1182 [2019-10-13 20:23:00,119 INFO L600 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 [2019-10-13 20:23:00,123 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1182 states. [2019-10-13 20:23:00,172 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1182 to 1179. [2019-10-13 20:23:00,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1179 states. [2019-10-13 20:23:00,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1179 states to 1179 states and 1534 transitions. [2019-10-13 20:23:00,184 INFO L78 Accepts]: Start accepts. Automaton has 1179 states and 1534 transitions. Word has length 182 [2019-10-13 20:23:00,185 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 20:23:00,185 INFO L462 AbstractCegarLoop]: Abstraction has 1179 states and 1534 transitions. [2019-10-13 20:23:00,185 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-13 20:23:00,185 INFO L276 IsEmpty]: Start isEmpty. Operand 1179 states and 1534 transitions. [2019-10-13 20:23:00,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2019-10-13 20:23:00,192 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 20:23:00,193 INFO L380 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] [2019-10-13 20:23:00,193 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 20:23:00,193 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 20:23:00,193 INFO L82 PathProgramCache]: Analyzing trace with hash -201910166, now seen corresponding path program 1 times [2019-10-13 20:23:00,194 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 20:23:00,194 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [323561441] [2019-10-13 20:23:00,194 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:23:00,194 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:23:00,194 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 20:23:00,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 20:23:00,532 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2019-10-13 20:23:00,532 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [323561441] [2019-10-13 20:23:00,533 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 20:23:00,533 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-13 20:23:00,534 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [323813488] [2019-10-13 20:23:00,534 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-13 20:23:00,534 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 20:23:00,534 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-13 20:23:00,535 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-13 20:23:00,535 INFO L87 Difference]: Start difference. First operand 1179 states and 1534 transitions. Second operand 6 states. [2019-10-13 20:23:00,659 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 20:23:00,659 INFO L93 Difference]: Finished difference Result 2335 states and 3048 transitions. [2019-10-13 20:23:00,660 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-13 20:23:00,660 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 196 [2019-10-13 20:23:00,660 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 20:23:00,669 INFO L225 Difference]: With dead ends: 2335 [2019-10-13 20:23:00,669 INFO L226 Difference]: Without dead ends: 1191 [2019-10-13 20:23:00,675 INFO L600 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 [2019-10-13 20:23:00,677 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1191 states. [2019-10-13 20:23:00,714 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1191 to 1185. [2019-10-13 20:23:00,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1185 states. [2019-10-13 20:23:00,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1185 states to 1185 states and 1541 transitions. [2019-10-13 20:23:00,721 INFO L78 Accepts]: Start accepts. Automaton has 1185 states and 1541 transitions. Word has length 196 [2019-10-13 20:23:00,721 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 20:23:00,721 INFO L462 AbstractCegarLoop]: Abstraction has 1185 states and 1541 transitions. [2019-10-13 20:23:00,721 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-13 20:23:00,722 INFO L276 IsEmpty]: Start isEmpty. Operand 1185 states and 1541 transitions. [2019-10-13 20:23:00,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2019-10-13 20:23:00,729 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 20:23:00,730 INFO L380 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] [2019-10-13 20:23:00,730 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 20:23:00,730 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 20:23:00,731 INFO L82 PathProgramCache]: Analyzing trace with hash -286571097, now seen corresponding path program 1 times [2019-10-13 20:23:00,731 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 20:23:00,731 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [996918419] [2019-10-13 20:23:00,731 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:23:00,731 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:23:00,731 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 20:23:00,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 20:23:01,182 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2019-10-13 20:23:01,183 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [996918419] [2019-10-13 20:23:01,183 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 20:23:01,183 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-13 20:23:01,184 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [104927413] [2019-10-13 20:23:01,184 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-13 20:23:01,185 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 20:23:01,185 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-13 20:23:01,185 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2019-10-13 20:23:01,186 INFO L87 Difference]: Start difference. First operand 1185 states and 1541 transitions. Second operand 7 states. [2019-10-13 20:23:10,889 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 20:23:10,889 INFO L93 Difference]: Finished difference Result 2869 states and 3756 transitions. [2019-10-13 20:23:10,890 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-10-13 20:23:10,890 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 206 [2019-10-13 20:23:10,891 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 20:23:10,904 INFO L225 Difference]: With dead ends: 2869 [2019-10-13 20:23:10,904 INFO L226 Difference]: Without dead ends: 1719 [2019-10-13 20:23:10,910 INFO L600 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 [2019-10-13 20:23:10,913 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1719 states. [2019-10-13 20:23:10,977 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1719 to 1635. [2019-10-13 20:23:10,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1635 states. [2019-10-13 20:23:10,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1635 states to 1635 states and 2123 transitions. [2019-10-13 20:23:10,987 INFO L78 Accepts]: Start accepts. Automaton has 1635 states and 2123 transitions. Word has length 206 [2019-10-13 20:23:10,987 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 20:23:10,987 INFO L462 AbstractCegarLoop]: Abstraction has 1635 states and 2123 transitions. [2019-10-13 20:23:10,987 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-13 20:23:10,987 INFO L276 IsEmpty]: Start isEmpty. Operand 1635 states and 2123 transitions. [2019-10-13 20:23:11,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2019-10-13 20:23:11,003 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 20:23:11,003 INFO L380 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] [2019-10-13 20:23:11,004 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 20:23:11,004 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 20:23:11,004 INFO L82 PathProgramCache]: Analyzing trace with hash 694383717, now seen corresponding path program 1 times [2019-10-13 20:23:11,004 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 20:23:11,005 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1956249039] [2019-10-13 20:23:11,005 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:23:11,005 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:23:11,058 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 20:23:11,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 20:23:11,436 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2019-10-13 20:23:11,437 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1956249039] [2019-10-13 20:23:11,437 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 20:23:11,437 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-10-13 20:23:11,437 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [185942025] [2019-10-13 20:23:11,438 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-10-13 20:23:11,438 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 20:23:11,438 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-10-13 20:23:11,439 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2019-10-13 20:23:11,439 INFO L87 Difference]: Start difference. First operand 1635 states and 2123 transitions. Second operand 9 states.