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 --traceabstraction.trace.refinement.strategy SIFA_TAIPAN --sifa.abstract.domain CompoundDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/ldv-linux-3.0/usb_urb-drivers-usb-serial-whiteheat.ko.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-13a467a-m [2019-10-15 02:10:32,567 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-15 02:10:32,570 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-15 02:10:32,586 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-15 02:10:32,586 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-15 02:10:32,587 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-15 02:10:32,589 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-15 02:10:32,591 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-15 02:10:32,592 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-15 02:10:32,593 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-15 02:10:32,594 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-15 02:10:32,595 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-15 02:10:32,596 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-15 02:10:32,597 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-15 02:10:32,598 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-15 02:10:32,599 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-15 02:10:32,603 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-15 02:10:32,604 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-15 02:10:32,606 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-15 02:10:32,610 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-15 02:10:32,614 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-15 02:10:32,615 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-15 02:10:32,616 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-15 02:10:32,617 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-15 02:10:32,620 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-15 02:10:32,620 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-15 02:10:32,620 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-15 02:10:32,621 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-15 02:10:32,622 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-15 02:10:32,623 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-15 02:10:32,623 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-15 02:10:32,624 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-15 02:10:32,625 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-15 02:10:32,625 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-15 02:10:32,627 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-15 02:10:32,627 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-15 02:10:32,628 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-15 02:10:32,628 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-15 02:10:32,628 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-15 02:10:32,629 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-15 02:10:32,630 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-15 02:10:32,631 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 [2019-10-15 02:10:32,645 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-15 02:10:32,646 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-15 02:10:32,647 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-15 02:10:32,647 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-15 02:10:32,647 INFO L138 SettingsManager]: * Use SBE=true [2019-10-15 02:10:32,648 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-15 02:10:32,648 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-15 02:10:32,648 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-15 02:10:32,648 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-15 02:10:32,648 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-15 02:10:32,649 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-15 02:10:32,649 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-15 02:10:32,649 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-15 02:10:32,649 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-15 02:10:32,649 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-15 02:10:32,650 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-15 02:10:32,650 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-15 02:10:32,650 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-15 02:10:32,650 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-15 02:10:32,650 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-15 02:10:32,651 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-15 02:10:32,651 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 02:10:32,651 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-15 02:10:32,651 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-15 02:10:32,652 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-15 02:10:32,652 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-15 02:10:32,652 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-15 02:10:32,652 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-15 02:10:32,652 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> SIFA_TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> CompoundDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK [2019-10-15 02:10:32,964 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-15 02:10:32,977 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-15 02:10:32,981 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-15 02:10:32,983 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-15 02:10:32,984 INFO L275 PluginConnector]: CDTParser initialized [2019-10-15 02:10:32,984 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.0/usb_urb-drivers-usb-serial-whiteheat.ko.cil.out.i [2019-10-15 02:10:33,063 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/478b25e2b/8532cccbe7f74fab9631320b806a4637/FLAG7ec45738a [2019-10-15 02:10:33,951 INFO L306 CDTParser]: Found 1 translation units. [2019-10-15 02:10:33,953 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-3.0/usb_urb-drivers-usb-serial-whiteheat.ko.cil.out.i [2019-10-15 02:10:34,006 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/478b25e2b/8532cccbe7f74fab9631320b806a4637/FLAG7ec45738a [2019-10-15 02:10:34,460 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/478b25e2b/8532cccbe7f74fab9631320b806a4637 [2019-10-15 02:10:34,470 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-15 02:10:34,472 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-15 02:10:34,474 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-15 02:10:34,474 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-15 02:10:34,477 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-15 02:10:34,478 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 02:10:34" (1/1) ... [2019-10-15 02:10:34,481 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5da159f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:10:34, skipping insertion in model container [2019-10-15 02:10:34,481 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 02:10:34" (1/1) ... [2019-10-15 02:10:34,488 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-15 02:10:34,637 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-15 02:10:36,853 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 02:10:36,938 INFO L188 MainTranslator]: Completed pre-run [2019-10-15 02:10:37,324 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 02:10:37,620 INFO L192 MainTranslator]: Completed translation [2019-10-15 02:10:37,620 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:10:37 WrapperNode [2019-10-15 02:10:37,621 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-15 02:10:37,622 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-15 02:10:37,622 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-15 02:10:37,622 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-15 02:10:37,653 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:10:37" (1/1) ... [2019-10-15 02:10:37,654 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:10:37" (1/1) ... [2019-10-15 02:10:37,769 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:10:37" (1/1) ... [2019-10-15 02:10:37,770 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:10:37" (1/1) ... [2019-10-15 02:10:37,893 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:10:37" (1/1) ... [2019-10-15 02:10:37,932 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:10:37" (1/1) ... [2019-10-15 02:10:37,960 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:10:37" (1/1) ... [2019-10-15 02:10:37,984 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-15 02:10:37,985 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-15 02:10:37,985 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-15 02:10:37,985 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-15 02:10:37,996 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:10:37" (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 [2019-10-15 02:10:38,088 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-15 02:10:38,089 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-15 02:10:38,089 INFO L138 BoogieDeclarations]: Found implementation of procedure __arch_swab32 [2019-10-15 02:10:38,089 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2019-10-15 02:10:38,089 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2019-10-15 02:10:38,091 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2019-10-15 02:10:38,092 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2019-10-15 02:10:38,094 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2019-10-15 02:10:38,094 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2019-10-15 02:10:38,094 INFO L138 BoogieDeclarations]: Found implementation of procedure list_move [2019-10-15 02:10:38,094 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2019-10-15 02:10:38,095 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2019-10-15 02:10:38,095 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2019-10-15 02:10:38,096 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2019-10-15 02:10:38,096 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2019-10-15 02:10:38,096 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2019-10-15 02:10:38,098 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2019-10-15 02:10:38,098 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2019-10-15 02:10:38,099 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2019-10-15 02:10:38,099 INFO L138 BoogieDeclarations]: Found implementation of procedure device_private_init [2019-10-15 02:10:38,099 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2019-10-15 02:10:38,099 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2019-10-15 02:10:38,100 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_insert_flip_string [2019-10-15 02:10:38,100 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register [2019-10-15 02:10:38,100 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_bulk_urb [2019-10-15 02:10:38,100 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2019-10-15 02:10:38,100 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_serial_port_data [2019-10-15 02:10:38,100 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_serial_port_data [2019-10-15 02:10:38,101 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_debug_data [2019-10-15 02:10:38,101 INFO L138 BoogieDeclarations]: Found implementation of procedure ihex_next_binrec [2019-10-15 02:10:38,101 INFO L138 BoogieDeclarations]: Found implementation of procedure ihex_validate_fw [2019-10-15 02:10:38,101 INFO L138 BoogieDeclarations]: Found implementation of procedure request_ihex_firmware [2019-10-15 02:10:38,101 INFO L138 BoogieDeclarations]: Found implementation of procedure whiteheat_firmware_download [2019-10-15 02:10:38,101 INFO L138 BoogieDeclarations]: Found implementation of procedure whiteheat_firmware_attach [2019-10-15 02:10:38,102 INFO L138 BoogieDeclarations]: Found implementation of procedure whiteheat_attach [2019-10-15 02:10:38,102 INFO L138 BoogieDeclarations]: Found implementation of procedure whiteheat_release [2019-10-15 02:10:38,103 INFO L138 BoogieDeclarations]: Found implementation of procedure whiteheat_open [2019-10-15 02:10:38,103 INFO L138 BoogieDeclarations]: Found implementation of procedure whiteheat_close [2019-10-15 02:10:38,103 INFO L138 BoogieDeclarations]: Found implementation of procedure whiteheat_write [2019-10-15 02:10:38,103 INFO L138 BoogieDeclarations]: Found implementation of procedure whiteheat_write_room [2019-10-15 02:10:38,103 INFO L138 BoogieDeclarations]: Found implementation of procedure whiteheat_tiocmget [2019-10-15 02:10:38,104 INFO L138 BoogieDeclarations]: Found implementation of procedure whiteheat_tiocmset [2019-10-15 02:10:38,104 INFO L138 BoogieDeclarations]: Found implementation of procedure whiteheat_ioctl [2019-10-15 02:10:38,104 INFO L138 BoogieDeclarations]: Found implementation of procedure whiteheat_set_termios [2019-10-15 02:10:38,104 INFO L138 BoogieDeclarations]: Found implementation of procedure whiteheat_break_ctl [2019-10-15 02:10:38,104 INFO L138 BoogieDeclarations]: Found implementation of procedure whiteheat_chars_in_buffer [2019-10-15 02:10:38,104 INFO L138 BoogieDeclarations]: Found implementation of procedure whiteheat_throttle [2019-10-15 02:10:38,105 INFO L138 BoogieDeclarations]: Found implementation of procedure whiteheat_unthrottle [2019-10-15 02:10:38,105 INFO L138 BoogieDeclarations]: Found implementation of procedure command_port_write_callback [2019-10-15 02:10:38,105 INFO L138 BoogieDeclarations]: Found implementation of procedure command_port_read_callback [2019-10-15 02:10:38,105 INFO L138 BoogieDeclarations]: Found implementation of procedure whiteheat_read_callback [2019-10-15 02:10:38,105 INFO L138 BoogieDeclarations]: Found implementation of procedure whiteheat_write_callback [2019-10-15 02:10:38,105 INFO L138 BoogieDeclarations]: Found implementation of procedure firm_send_command [2019-10-15 02:10:38,106 INFO L138 BoogieDeclarations]: Found implementation of procedure firm_open [2019-10-15 02:10:38,106 INFO L138 BoogieDeclarations]: Found implementation of procedure firm_close [2019-10-15 02:10:38,106 INFO L138 BoogieDeclarations]: Found implementation of procedure firm_setup_port [2019-10-15 02:10:38,106 INFO L138 BoogieDeclarations]: Found implementation of procedure firm_set_rts [2019-10-15 02:10:38,106 INFO L138 BoogieDeclarations]: Found implementation of procedure firm_set_dtr [2019-10-15 02:10:38,107 INFO L138 BoogieDeclarations]: Found implementation of procedure firm_set_break [2019-10-15 02:10:38,107 INFO L138 BoogieDeclarations]: Found implementation of procedure firm_purge [2019-10-15 02:10:38,107 INFO L138 BoogieDeclarations]: Found implementation of procedure firm_get_dtr_rts [2019-10-15 02:10:38,108 INFO L138 BoogieDeclarations]: Found implementation of procedure firm_report_tx_done [2019-10-15 02:10:38,108 INFO L138 BoogieDeclarations]: Found implementation of procedure start_command_port [2019-10-15 02:10:38,108 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_command_port [2019-10-15 02:10:38,108 INFO L138 BoogieDeclarations]: Found implementation of procedure start_port_read [2019-10-15 02:10:38,108 INFO L138 BoogieDeclarations]: Found implementation of procedure urb_to_wrap [2019-10-15 02:10:38,108 INFO L138 BoogieDeclarations]: Found implementation of procedure list_first [2019-10-15 02:10:38,109 INFO L138 BoogieDeclarations]: Found implementation of procedure rx_data_softint [2019-10-15 02:10:38,109 INFO L138 BoogieDeclarations]: Found implementation of procedure whiteheat_init [2019-10-15 02:10:38,109 INFO L138 BoogieDeclarations]: Found implementation of procedure whiteheat_exit [2019-10-15 02:10:38,109 INFO L138 BoogieDeclarations]: Found implementation of procedure init_module [2019-10-15 02:10:38,109 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup_module [2019-10-15 02:10:38,109 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-15 02:10:38,110 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_blast_assert [2019-10-15 02:10:38,110 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume_stop [2019-10-15 02:10:38,111 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_coherent [2019-10-15 02:10:38,111 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_coherent [2019-10-15 02:10:38,111 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2019-10-15 02:10:38,112 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2019-10-15 02:10:38,112 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-10-15 02:10:38,112 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2019-10-15 02:10:38,113 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2019-10-15 02:10:38,113 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2019-10-15 02:10:38,113 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2019-10-15 02:10:38,113 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_del_entry [2019-10-15 02:10:38,113 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2019-10-15 02:10:38,113 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2019-10-15 02:10:38,115 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2019-10-15 02:10:38,115 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2019-10-15 02:10:38,115 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2019-10-15 02:10:38,115 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock [2019-10-15 02:10:38,115 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irq [2019-10-15 02:10:38,115 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2019-10-15 02:10:38,116 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock [2019-10-15 02:10:38,116 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irq [2019-10-15 02:10:38,116 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irqrestore [2019-10-15 02:10:38,116 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2019-10-15 02:10:38,116 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_printk [2019-10-15 02:10:38,116 INFO L138 BoogieDeclarations]: Found implementation of procedure ezusb_set_reset [2019-10-15 02:10:38,117 INFO L138 BoogieDeclarations]: Found implementation of procedure ezusb_writememory [2019-10-15 02:10:38,117 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2019-10-15 02:10:38,117 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2019-10-15 02:10:38,117 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value [2019-10-15 02:10:38,117 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-10-15 02:10:38,117 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undefined_pointer [2019-10-15 02:10:38,117 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2019-10-15 02:10:38,118 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2019-10-15 02:10:38,118 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2019-10-15 02:10:38,118 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2019-10-15 02:10:38,118 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2019-10-15 02:10:38,118 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait [2019-10-15 02:10:38,119 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2019-10-15 02:10:38,119 INFO L138 BoogieDeclarations]: Found implementation of procedure release_firmware [2019-10-15 02:10:38,119 INFO L138 BoogieDeclarations]: Found implementation of procedure request_firmware [2019-10-15 02:10:38,119 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout [2019-10-15 02:10:38,120 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2019-10-15 02:10:38,120 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_encode_baud_rate [2019-10-15 02:10:38,120 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_flip_buffer_push [2019-10-15 02:10:38,120 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_get_baud_rate [2019-10-15 02:10:38,120 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_insert_flip_string_fixed_flag [2019-10-15 02:10:38,121 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_kref_put [2019-10-15 02:10:38,121 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_port_tty_get [2019-10-15 02:10:38,121 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_bulk_msg [2019-10-15 02:10:38,121 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_clear_halt [2019-10-15 02:10:38,122 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_deregister [2019-10-15 02:10:38,122 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2019-10-15 02:10:38,122 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register_driver [2019-10-15 02:10:38,122 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_deregister [2019-10-15 02:10:38,123 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_port_softint [2019-10-15 02:10:38,123 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_register [2019-10-15 02:10:38,123 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2019-10-15 02:10:38,123 INFO L138 BoogieDeclarations]: Found implementation of procedure autoremove_wake_function [2019-10-15 02:10:38,124 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-10-15 02:10:38,124 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-10-15 02:10:38,128 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-10-15 02:10:38,128 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-10-15 02:10:38,128 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-15 02:10:38,128 INFO L130 BoogieDeclarations]: Found specification of procedure __arch_swab32 [2019-10-15 02:10:38,129 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2019-10-15 02:10:38,130 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2019-10-15 02:10:38,130 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2019-10-15 02:10:38,130 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2019-10-15 02:10:38,130 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2019-10-15 02:10:38,131 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2019-10-15 02:10:38,138 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-10-15 02:10:38,139 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-10-15 02:10:38,139 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2019-10-15 02:10:38,139 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-15 02:10:38,139 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2019-10-15 02:10:38,139 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2019-10-15 02:10:38,139 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-15 02:10:38,140 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2019-10-15 02:10:38,140 INFO L130 BoogieDeclarations]: Found specification of procedure __list_del_entry [2019-10-15 02:10:38,140 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2019-10-15 02:10:38,142 INFO L130 BoogieDeclarations]: Found specification of procedure list_move [2019-10-15 02:10:38,142 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2019-10-15 02:10:38,142 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2019-10-15 02:10:38,143 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2019-10-15 02:10:38,143 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock [2019-10-15 02:10:38,143 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irq [2019-10-15 02:10:38,143 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2019-10-15 02:10:38,143 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock [2019-10-15 02:10:38,143 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irq [2019-10-15 02:10:38,143 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore [2019-10-15 02:10:38,144 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2019-10-15 02:10:38,144 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2019-10-15 02:10:38,144 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2019-10-15 02:10:38,144 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2019-10-15 02:10:38,144 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2019-10-15 02:10:38,144 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2019-10-15 02:10:38,145 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2019-10-15 02:10:38,145 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2019-10-15 02:10:38,145 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait [2019-10-15 02:10:38,145 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2019-10-15 02:10:38,145 INFO L130 BoogieDeclarations]: Found specification of procedure autoremove_wake_function [2019-10-15 02:10:38,145 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2019-10-15 02:10:38,145 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2019-10-15 02:10:38,146 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2019-10-15 02:10:38,146 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2019-10-15 02:10:38,146 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2019-10-15 02:10:38,146 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-10-15 02:10:38,146 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2019-10-15 02:10:38,146 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2019-10-15 02:10:38,146 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2019-10-15 02:10:38,147 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2019-10-15 02:10:38,147 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2019-10-15 02:10:38,147 INFO L130 BoogieDeclarations]: Found specification of procedure init_module [2019-10-15 02:10:38,147 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup_module [2019-10-15 02:10:38,147 INFO L130 BoogieDeclarations]: Found specification of procedure device_private_init [2019-10-15 02:10:38,147 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2019-10-15 02:10:38,148 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2019-10-15 02:10:38,148 INFO L130 BoogieDeclarations]: Found specification of procedure dev_printk [2019-10-15 02:10:38,148 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2019-10-15 02:10:38,148 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2019-10-15 02:10:38,148 INFO L130 BoogieDeclarations]: Found specification of procedure tty_kref_put [2019-10-15 02:10:38,148 INFO L130 BoogieDeclarations]: Found specification of procedure tty_flip_buffer_push [2019-10-15 02:10:38,148 INFO L130 BoogieDeclarations]: Found specification of procedure tty_get_baud_rate [2019-10-15 02:10:38,149 INFO L130 BoogieDeclarations]: Found specification of procedure tty_encode_baud_rate [2019-10-15 02:10:38,149 INFO L130 BoogieDeclarations]: Found specification of procedure tty_port_tty_get [2019-10-15 02:10:38,149 INFO L130 BoogieDeclarations]: Found specification of procedure tty_insert_flip_string_fixed_flag [2019-10-15 02:10:38,149 INFO L130 BoogieDeclarations]: Found specification of procedure tty_insert_flip_string [2019-10-15 02:10:38,149 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout [2019-10-15 02:10:38,149 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register_driver [2019-10-15 02:10:38,150 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register [2019-10-15 02:10:38,150 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-15 02:10:38,150 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister [2019-10-15 02:10:38,150 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_bulk_urb [2019-10-15 02:10:38,150 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-15 02:10:38,150 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2019-10-15 02:10:38,150 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2019-10-15 02:10:38,151 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2019-10-15 02:10:38,151 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2019-10-15 02:10:38,151 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_coherent [2019-10-15 02:10:38,151 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_coherent [2019-10-15 02:10:38,151 INFO L130 BoogieDeclarations]: Found specification of procedure usb_bulk_msg [2019-10-15 02:10:38,151 INFO L130 BoogieDeclarations]: Found specification of procedure usb_clear_halt [2019-10-15 02:10:38,152 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2019-10-15 02:10:38,152 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-15 02:10:38,152 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_serial_port_data [2019-10-15 02:10:38,152 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_serial_port_data [2019-10-15 02:10:38,152 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_register [2019-10-15 02:10:38,152 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_deregister [2019-10-15 02:10:38,152 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_port_softint [2019-10-15 02:10:38,153 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_probe [2019-10-15 02:10:38,153 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_disconnect [2019-10-15 02:10:38,153 INFO L130 BoogieDeclarations]: Found specification of procedure ezusb_writememory [2019-10-15 02:10:38,153 INFO L130 BoogieDeclarations]: Found specification of procedure ezusb_set_reset [2019-10-15 02:10:38,153 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_debug_data [2019-10-15 02:10:38,154 INFO L130 BoogieDeclarations]: Found specification of procedure request_firmware [2019-10-15 02:10:38,154 INFO L130 BoogieDeclarations]: Found specification of procedure release_firmware [2019-10-15 02:10:38,154 INFO L130 BoogieDeclarations]: Found specification of procedure ihex_next_binrec [2019-10-15 02:10:38,154 INFO L130 BoogieDeclarations]: Found specification of procedure ihex_validate_fw [2019-10-15 02:10:38,154 INFO L130 BoogieDeclarations]: Found specification of procedure request_ihex_firmware [2019-10-15 02:10:38,154 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-15 02:10:38,154 INFO L130 BoogieDeclarations]: Found specification of procedure whiteheat_firmware_download [2019-10-15 02:10:38,155 INFO L130 BoogieDeclarations]: Found specification of procedure whiteheat_firmware_attach [2019-10-15 02:10:38,155 INFO L130 BoogieDeclarations]: Found specification of procedure whiteheat_attach [2019-10-15 02:10:38,155 INFO L130 BoogieDeclarations]: Found specification of procedure whiteheat_release [2019-10-15 02:10:38,155 INFO L130 BoogieDeclarations]: Found specification of procedure whiteheat_open [2019-10-15 02:10:38,155 INFO L130 BoogieDeclarations]: Found specification of procedure whiteheat_close [2019-10-15 02:10:38,155 INFO L130 BoogieDeclarations]: Found specification of procedure whiteheat_write [2019-10-15 02:10:38,155 INFO L130 BoogieDeclarations]: Found specification of procedure whiteheat_write_room [2019-10-15 02:10:38,156 INFO L130 BoogieDeclarations]: Found specification of procedure whiteheat_ioctl [2019-10-15 02:10:38,156 INFO L130 BoogieDeclarations]: Found specification of procedure whiteheat_set_termios [2019-10-15 02:10:38,156 INFO L130 BoogieDeclarations]: Found specification of procedure whiteheat_tiocmget [2019-10-15 02:10:38,156 INFO L130 BoogieDeclarations]: Found specification of procedure whiteheat_tiocmset [2019-10-15 02:10:38,156 INFO L130 BoogieDeclarations]: Found specification of procedure whiteheat_break_ctl [2019-10-15 02:10:38,156 INFO L130 BoogieDeclarations]: Found specification of procedure whiteheat_chars_in_buffer [2019-10-15 02:10:38,157 INFO L130 BoogieDeclarations]: Found specification of procedure whiteheat_throttle [2019-10-15 02:10:38,157 INFO L130 BoogieDeclarations]: Found specification of procedure whiteheat_unthrottle [2019-10-15 02:10:38,157 INFO L130 BoogieDeclarations]: Found specification of procedure whiteheat_read_callback [2019-10-15 02:10:38,157 INFO L130 BoogieDeclarations]: Found specification of procedure whiteheat_write_callback [2019-10-15 02:10:38,157 INFO L130 BoogieDeclarations]: Found specification of procedure start_command_port [2019-10-15 02:10:38,157 INFO L130 BoogieDeclarations]: Found specification of procedure stop_command_port [2019-10-15 02:10:38,157 INFO L130 BoogieDeclarations]: Found specification of procedure command_port_write_callback [2019-10-15 02:10:38,158 INFO L130 BoogieDeclarations]: Found specification of procedure command_port_read_callback [2019-10-15 02:10:38,158 INFO L130 BoogieDeclarations]: Found specification of procedure start_port_read [2019-10-15 02:10:38,158 INFO L130 BoogieDeclarations]: Found specification of procedure urb_to_wrap [2019-10-15 02:10:38,158 INFO L130 BoogieDeclarations]: Found specification of procedure list_first [2019-10-15 02:10:38,158 INFO L130 BoogieDeclarations]: Found specification of procedure rx_data_softint [2019-10-15 02:10:38,159 INFO L130 BoogieDeclarations]: Found specification of procedure firm_send_command [2019-10-15 02:10:38,164 INFO L130 BoogieDeclarations]: Found specification of procedure firm_open [2019-10-15 02:10:38,164 INFO L130 BoogieDeclarations]: Found specification of procedure firm_close [2019-10-15 02:10:38,164 INFO L130 BoogieDeclarations]: Found specification of procedure firm_setup_port [2019-10-15 02:10:38,165 INFO L130 BoogieDeclarations]: Found specification of procedure firm_set_rts [2019-10-15 02:10:38,165 INFO L130 BoogieDeclarations]: Found specification of procedure firm_set_dtr [2019-10-15 02:10:38,165 INFO L130 BoogieDeclarations]: Found specification of procedure firm_set_break [2019-10-15 02:10:38,165 INFO L130 BoogieDeclarations]: Found specification of procedure firm_purge [2019-10-15 02:10:38,165 INFO L130 BoogieDeclarations]: Found specification of procedure firm_get_dtr_rts [2019-10-15 02:10:38,165 INFO L130 BoogieDeclarations]: Found specification of procedure firm_report_tx_done [2019-10-15 02:10:38,166 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-10-15 02:10:38,166 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-10-15 02:10:38,169 INFO L130 BoogieDeclarations]: Found specification of procedure whiteheat_init [2019-10-15 02:10:38,170 INFO L130 BoogieDeclarations]: Found specification of procedure whiteheat_exit [2019-10-15 02:10:38,170 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-10-15 02:10:38,170 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value [2019-10-15 02:10:38,170 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-10-15 02:10:38,170 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-15 02:10:38,171 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-15 02:10:38,171 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_blast_assert [2019-10-15 02:10:38,171 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undefined_pointer [2019-10-15 02:10:38,171 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume_stop [2019-10-15 02:10:38,172 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-10-15 02:10:38,172 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-10-15 02:10:38,172 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2019-10-15 02:10:38,172 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2019-10-15 02:10:38,172 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-10-15 02:10:38,172 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-15 02:10:38,173 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-15 02:10:38,173 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-15 02:10:38,173 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-10-15 02:10:38,173 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-15 02:10:38,173 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2019-10-15 02:10:38,173 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2019-10-15 02:10:38,173 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-10-15 02:10:38,174 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-10-15 02:10:39,532 WARN L732 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-10-15 02:10:39,547 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##10: assume !false; [2019-10-15 02:10:39,547 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##9: assume false; [2019-10-15 02:10:39,557 WARN L732 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-10-15 02:10:39,721 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##12: assume !false; [2019-10-15 02:10:39,721 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##11: assume false; [2019-10-15 02:10:40,357 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_assume_stopFINAL: assume true; [2019-10-15 02:10:47,423 WARN L732 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-10-15 02:10:47,543 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##54: assume !false; [2019-10-15 02:10:47,543 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##53: assume false; [2019-10-15 02:10:47,893 WARN L732 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-10-15 02:10:48,042 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##8: assume !false; [2019-10-15 02:10:48,043 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##7: assume false; [2019-10-15 02:10:56,739 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-15 02:10:56,740 INFO L284 CfgBuilder]: Removed 104 assume(true) statements. [2019-10-15 02:10:56,742 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 02:10:56 BoogieIcfgContainer [2019-10-15 02:10:56,742 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-15 02:10:56,743 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-15 02:10:56,743 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-15 02:10:56,746 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-15 02:10:56,746 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 02:10:34" (1/3) ... [2019-10-15 02:10:56,747 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b4dccbb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 02:10:56, skipping insertion in model container [2019-10-15 02:10:56,747 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:10:37" (2/3) ... [2019-10-15 02:10:56,747 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b4dccbb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 02:10:56, skipping insertion in model container [2019-10-15 02:10:56,747 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 02:10:56" (3/3) ... [2019-10-15 02:10:56,749 INFO L109 eAbstractionObserver]: Analyzing ICFG usb_urb-drivers-usb-serial-whiteheat.ko.cil.out.i [2019-10-15 02:10:56,758 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-15 02:10:56,767 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-15 02:10:56,778 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-15 02:10:56,809 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-15 02:10:56,809 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-15 02:10:56,809 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-15 02:10:56,809 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-15 02:10:56,809 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-15 02:10:56,809 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-15 02:10:56,810 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-15 02:10:56,810 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-15 02:10:56,849 INFO L276 IsEmpty]: Start isEmpty. Operand 1088 states. [2019-10-15 02:10:56,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-10-15 02:10:56,856 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 02:10:56,857 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] [2019-10-15 02:10:56,859 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 02:10:56,864 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 02:10:56,865 INFO L82 PathProgramCache]: Analyzing trace with hash -259256675, now seen corresponding path program 1 times [2019-10-15 02:10:56,873 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 02:10:56,874 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1571428595] [2019-10-15 02:10:56,874 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 02:10:56,874 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 02:10:56,874 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 02:10:57,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 02:10:57,694 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 02:10:57,694 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1571428595] [2019-10-15 02:10:57,695 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 02:10:57,696 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 02:10:57,696 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1223845907] [2019-10-15 02:10:57,701 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 02:10:57,702 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 02:10:57,715 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 02:10:57,716 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 02:10:57,718 INFO L87 Difference]: Start difference. First operand 1088 states. Second operand 3 states. [2019-10-15 02:10:58,003 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 02:10:58,003 INFO L93 Difference]: Finished difference Result 3056 states and 4335 transitions. [2019-10-15 02:10:58,004 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 02:10:58,005 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2019-10-15 02:10:58,006 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 02:10:58,055 INFO L225 Difference]: With dead ends: 3056 [2019-10-15 02:10:58,055 INFO L226 Difference]: Without dead ends: 2024 [2019-10-15 02:10:58,075 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 [2019-10-15 02:10:58,101 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2024 states. [2019-10-15 02:10:58,356 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2024 to 2020. [2019-10-15 02:10:58,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2020 states. [2019-10-15 02:10:58,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2020 states to 2020 states and 2653 transitions. [2019-10-15 02:10:58,385 INFO L78 Accepts]: Start accepts. Automaton has 2020 states and 2653 transitions. Word has length 24 [2019-10-15 02:10:58,386 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 02:10:58,386 INFO L462 AbstractCegarLoop]: Abstraction has 2020 states and 2653 transitions. [2019-10-15 02:10:58,386 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 02:10:58,386 INFO L276 IsEmpty]: Start isEmpty. Operand 2020 states and 2653 transitions. [2019-10-15 02:10:58,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-10-15 02:10:58,389 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 02:10:58,389 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] [2019-10-15 02:10:58,390 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 02:10:58,390 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 02:10:58,390 INFO L82 PathProgramCache]: Analyzing trace with hash 552081396, now seen corresponding path program 1 times [2019-10-15 02:10:58,390 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 02:10:58,391 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1063940944] [2019-10-15 02:10:58,391 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 02:10:58,391 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 02:10:58,392 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 02:10:58,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 02:10:59,693 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 02:10:59,694 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1063940944] [2019-10-15 02:10:59,694 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 02:10:59,694 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 02:10:59,694 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [539489885] [2019-10-15 02:10:59,696 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 02:10:59,696 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 02:10:59,697 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 02:10:59,697 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 02:10:59,697 INFO L87 Difference]: Start difference. First operand 2020 states and 2653 transitions. Second operand 3 states. [2019-10-15 02:10:59,767 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 02:10:59,767 INFO L93 Difference]: Finished difference Result 2022 states and 2654 transitions. [2019-10-15 02:10:59,767 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 02:10:59,767 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 25 [2019-10-15 02:10:59,768 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 02:10:59,781 INFO L225 Difference]: With dead ends: 2022 [2019-10-15 02:10:59,781 INFO L226 Difference]: Without dead ends: 2008 [2019-10-15 02:10:59,783 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 [2019-10-15 02:10:59,788 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2008 states. [2019-10-15 02:10:59,889 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2008 to 2008. [2019-10-15 02:10:59,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2008 states. [2019-10-15 02:10:59,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2008 states to 2008 states and 2634 transitions. [2019-10-15 02:10:59,905 INFO L78 Accepts]: Start accepts. Automaton has 2008 states and 2634 transitions. Word has length 25 [2019-10-15 02:10:59,905 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 02:10:59,905 INFO L462 AbstractCegarLoop]: Abstraction has 2008 states and 2634 transitions. [2019-10-15 02:10:59,905 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 02:10:59,906 INFO L276 IsEmpty]: Start isEmpty. Operand 2008 states and 2634 transitions. [2019-10-15 02:10:59,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2019-10-15 02:10:59,917 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 02:10:59,917 INFO L380 BasicCegarLoop]: trace histogram [3, 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] [2019-10-15 02:10:59,918 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 02:10:59,918 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 02:10:59,918 INFO L82 PathProgramCache]: Analyzing trace with hash -938651801, now seen corresponding path program 1 times [2019-10-15 02:10:59,919 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 02:10:59,919 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [560126433] [2019-10-15 02:10:59,919 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 02:10:59,919 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 02:10:59,920 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 02:11:00,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 02:11:00,336 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2019-10-15 02:11:00,337 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [560126433] [2019-10-15 02:11:00,337 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 02:11:00,338 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 02:11:00,338 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [607805496] [2019-10-15 02:11:00,339 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 02:11:00,339 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 02:11:00,339 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 02:11:00,340 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 02:11:00,340 INFO L87 Difference]: Start difference. First operand 2008 states and 2634 transitions. Second operand 3 states. [2019-10-15 02:11:00,491 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 02:11:00,491 INFO L93 Difference]: Finished difference Result 4088 states and 5419 transitions. [2019-10-15 02:11:00,492 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 02:11:00,492 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 99 [2019-10-15 02:11:00,493 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 02:11:00,509 INFO L225 Difference]: With dead ends: 4088 [2019-10-15 02:11:00,509 INFO L226 Difference]: Without dead ends: 2115 [2019-10-15 02:11:00,521 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 [2019-10-15 02:11:00,525 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2115 states. [2019-10-15 02:11:00,613 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2115 to 2113. [2019-10-15 02:11:00,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2113 states. [2019-10-15 02:11:00,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2113 states to 2113 states and 2814 transitions. [2019-10-15 02:11:00,631 INFO L78 Accepts]: Start accepts. Automaton has 2113 states and 2814 transitions. Word has length 99 [2019-10-15 02:11:00,631 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 02:11:00,631 INFO L462 AbstractCegarLoop]: Abstraction has 2113 states and 2814 transitions. [2019-10-15 02:11:00,632 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 02:11:00,632 INFO L276 IsEmpty]: Start isEmpty. Operand 2113 states and 2814 transitions. [2019-10-15 02:11:00,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2019-10-15 02:11:00,639 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 02:11:00,640 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2019-10-15 02:11:00,640 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 02:11:00,640 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 02:11:00,640 INFO L82 PathProgramCache]: Analyzing trace with hash 953344559, now seen corresponding path program 1 times [2019-10-15 02:11:00,641 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 02:11:00,641 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2133913851] [2019-10-15 02:11:00,641 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 02:11:00,641 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 02:11:00,642 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 02:11:00,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 02:11:01,193 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2019-10-15 02:11:01,193 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2133913851] [2019-10-15 02:11:01,194 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 02:11:01,194 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-15 02:11:01,194 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1497288077] [2019-10-15 02:11:01,196 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-15 02:11:01,196 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 02:11:01,196 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-15 02:11:01,197 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-15 02:11:01,197 INFO L87 Difference]: Start difference. First operand 2113 states and 2814 transitions. Second operand 5 states. [2019-10-15 02:11:08,805 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 02:11:08,806 INFO L93 Difference]: Finished difference Result 3020 states and 4026 transitions. [2019-10-15 02:11:08,807 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-15 02:11:08,807 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 137 [2019-10-15 02:11:08,809 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 02:11:08,825 INFO L225 Difference]: With dead ends: 3020 [2019-10-15 02:11:08,825 INFO L226 Difference]: Without dead ends: 943 [2019-10-15 02:11:08,840 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 [2019-10-15 02:11:08,842 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 943 states. [2019-10-15 02:11:08,879 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 943 to 940. [2019-10-15 02:11:08,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 940 states. [2019-10-15 02:11:08,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 940 states to 940 states and 1242 transitions. [2019-10-15 02:11:08,893 INFO L78 Accepts]: Start accepts. Automaton has 940 states and 1242 transitions. Word has length 137 [2019-10-15 02:11:08,894 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 02:11:08,894 INFO L462 AbstractCegarLoop]: Abstraction has 940 states and 1242 transitions. [2019-10-15 02:11:08,894 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-15 02:11:08,895 INFO L276 IsEmpty]: Start isEmpty. Operand 940 states and 1242 transitions. [2019-10-15 02:11:08,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2019-10-15 02:11:08,905 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 02:11:08,906 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 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] [2019-10-15 02:11:08,906 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 02:11:08,906 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 02:11:08,907 INFO L82 PathProgramCache]: Analyzing trace with hash 1758152066, now seen corresponding path program 1 times [2019-10-15 02:11:08,907 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 02:11:08,907 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1709265903] [2019-10-15 02:11:08,907 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 02:11:08,907 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 02:11:08,908 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 02:11:09,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 02:11:09,371 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2019-10-15 02:11:09,371 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1709265903] [2019-10-15 02:11:09,371 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 02:11:09,372 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-15 02:11:09,372 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [910379473] [2019-10-15 02:11:09,373 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-15 02:11:09,373 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 02:11:09,373 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-15 02:11:09,374 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-15 02:11:09,374 INFO L87 Difference]: Start difference. First operand 940 states and 1242 transitions. Second operand 6 states. [2019-10-15 02:11:09,496 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 02:11:09,497 INFO L93 Difference]: Finished difference Result 1851 states and 2453 transitions. [2019-10-15 02:11:09,497 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-15 02:11:09,498 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 138 [2019-10-15 02:11:09,498 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 02:11:09,511 INFO L225 Difference]: With dead ends: 1851 [2019-10-15 02:11:09,512 INFO L226 Difference]: Without dead ends: 947 [2019-10-15 02:11:09,517 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 [2019-10-15 02:11:09,519 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 947 states. [2019-10-15 02:11:09,563 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 947 to 945. [2019-10-15 02:11:09,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 945 states. [2019-10-15 02:11:09,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 945 states to 945 states and 1248 transitions. [2019-10-15 02:11:09,568 INFO L78 Accepts]: Start accepts. Automaton has 945 states and 1248 transitions. Word has length 138 [2019-10-15 02:11:09,570 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 02:11:09,570 INFO L462 AbstractCegarLoop]: Abstraction has 945 states and 1248 transitions. [2019-10-15 02:11:09,570 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-15 02:11:09,570 INFO L276 IsEmpty]: Start isEmpty. Operand 945 states and 1248 transitions. [2019-10-15 02:11:09,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2019-10-15 02:11:09,576 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 02:11:09,577 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 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] [2019-10-15 02:11:09,577 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 02:11:09,577 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 02:11:09,577 INFO L82 PathProgramCache]: Analyzing trace with hash 1738423776, now seen corresponding path program 1 times [2019-10-15 02:11:09,578 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 02:11:09,578 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [602705782] [2019-10-15 02:11:09,578 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 02:11:09,578 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 02:11:09,578 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 02:11:09,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 02:11:10,067 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2019-10-15 02:11:10,068 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [602705782] [2019-10-15 02:11:10,069 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 02:11:10,069 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-15 02:11:10,070 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1298824223] [2019-10-15 02:11:10,071 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-15 02:11:10,071 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 02:11:10,072 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-15 02:11:10,072 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-15 02:11:10,072 INFO L87 Difference]: Start difference. First operand 945 states and 1248 transitions. Second operand 5 states. [2019-10-15 02:11:10,180 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 02:11:10,180 INFO L93 Difference]: Finished difference Result 1973 states and 2660 transitions. [2019-10-15 02:11:10,180 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-15 02:11:10,180 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 146 [2019-10-15 02:11:10,182 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 02:11:10,191 INFO L225 Difference]: With dead ends: 1973 [2019-10-15 02:11:10,191 INFO L226 Difference]: Without dead ends: 1064 [2019-10-15 02:11:10,195 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 [2019-10-15 02:11:10,198 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1064 states. [2019-10-15 02:11:10,233 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1064 to 949. [2019-10-15 02:11:10,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 949 states. [2019-10-15 02:11:10,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 949 states to 949 states and 1254 transitions. [2019-10-15 02:11:10,238 INFO L78 Accepts]: Start accepts. Automaton has 949 states and 1254 transitions. Word has length 146 [2019-10-15 02:11:10,239 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 02:11:10,240 INFO L462 AbstractCegarLoop]: Abstraction has 949 states and 1254 transitions. [2019-10-15 02:11:10,240 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-15 02:11:10,240 INFO L276 IsEmpty]: Start isEmpty. Operand 949 states and 1254 transitions. [2019-10-15 02:11:10,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2019-10-15 02:11:10,247 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 02:11:10,247 INFO L380 BasicCegarLoop]: trace histogram [4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 02:11:10,248 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 02:11:10,248 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 02:11:10,248 INFO L82 PathProgramCache]: Analyzing trace with hash 146113395, now seen corresponding path program 1 times [2019-10-15 02:11:10,248 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 02:11:10,249 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [960725006] [2019-10-15 02:11:10,249 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 02:11:10,249 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 02:11:10,249 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 02:11:10,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 02:11:10,736 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2019-10-15 02:11:10,737 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [960725006] [2019-10-15 02:11:10,738 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 02:11:10,738 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-15 02:11:10,738 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [482791933] [2019-10-15 02:11:10,739 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-15 02:11:10,739 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 02:11:10,739 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-15 02:11:10,739 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-15 02:11:10,740 INFO L87 Difference]: Start difference. First operand 949 states and 1254 transitions. Second operand 5 states. [2019-10-15 02:11:10,856 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 02:11:10,856 INFO L93 Difference]: Finished difference Result 1932 states and 2606 transitions. [2019-10-15 02:11:10,856 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-15 02:11:10,857 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 172 [2019-10-15 02:11:10,857 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 02:11:10,859 INFO L225 Difference]: With dead ends: 1932 [2019-10-15 02:11:10,859 INFO L226 Difference]: Without dead ends: 0 [2019-10-15 02:11:10,869 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 [2019-10-15 02:11:10,870 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-15 02:11:10,870 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-15 02:11:10,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-15 02:11:10,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-15 02:11:10,872 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 172 [2019-10-15 02:11:10,872 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 02:11:10,873 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-15 02:11:10,873 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-15 02:11:10,873 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-15 02:11:10,873 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-15 02:11:10,880 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.