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-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--isdn--hisax--hisax_st5481.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f4eb214f-m [2019-10-13 20:22:54,517 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-13 20:22:54,520 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-13 20:22:54,536 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-13 20:22:54,537 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-13 20:22:54,539 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-13 20:22:54,541 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-13 20:22:54,551 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-13 20:22:54,555 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-13 20:22:54,559 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-13 20:22:54,560 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-13 20:22:54,562 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-13 20:22:54,562 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-13 20:22:54,564 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-13 20:22:54,566 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-13 20:22:54,568 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-13 20:22:54,570 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-13 20:22:54,570 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-13 20:22:54,572 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-13 20:22:54,577 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-13 20:22:54,582 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-13 20:22:54,584 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-13 20:22:54,585 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-13 20:22:54,586 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-13 20:22:54,588 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-13 20:22:54,588 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-13 20:22:54,588 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-13 20:22:54,589 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-13 20:22:54,589 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-13 20:22:54,590 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-13 20:22:54,590 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-13 20:22:54,591 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-13 20:22:54,592 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-13 20:22:54,592 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-13 20:22:54,593 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-13 20:22:54,594 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-13 20:22:54,594 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-13 20:22:54,594 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-13 20:22:54,595 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-13 20:22:54,595 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-13 20:22:54,596 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-13 20:22:54,597 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 20:22:54,611 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-13 20:22:54,611 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-13 20:22:54,612 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-13 20:22:54,612 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-13 20:22:54,613 INFO L138 SettingsManager]: * Use SBE=true [2019-10-13 20:22:54,613 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-13 20:22:54,613 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-13 20:22:54,613 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-13 20:22:54,613 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-13 20:22:54,614 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-13 20:22:54,614 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-13 20:22:54,614 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-13 20:22:54,614 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-13 20:22:54,614 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-13 20:22:54,615 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-13 20:22:54,615 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-13 20:22:54,615 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-13 20:22:54,615 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-13 20:22:54,615 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-13 20:22:54,616 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-13 20:22:54,616 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-13 20:22:54,616 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 20:22:54,616 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-13 20:22:54,617 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-13 20:22:54,617 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-13 20:22:54,617 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-13 20:22:54,617 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-13 20:22:54,617 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-13 20:22:54,618 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 20:22:54,958 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-13 20:22:54,974 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-13 20:22:54,980 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-13 20:22:54,982 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-13 20:22:54,982 INFO L275 PluginConnector]: CDTParser initialized [2019-10-13 20:22:54,983 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--isdn--hisax--hisax_st5481.ko-entry_point.cil.out.i [2019-10-13 20:22:55,068 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fc459416b/10d6efb4486c4c6084829da47f4f507c/FLAGf404adff0 [2019-10-13 20:22:55,957 INFO L306 CDTParser]: Found 1 translation units. [2019-10-13 20:22:55,958 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--isdn--hisax--hisax_st5481.ko-entry_point.cil.out.i [2019-10-13 20:22:56,015 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fc459416b/10d6efb4486c4c6084829da47f4f507c/FLAGf404adff0 [2019-10-13 20:22:56,438 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fc459416b/10d6efb4486c4c6084829da47f4f507c [2019-10-13 20:22:56,449 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-13 20:22:56,451 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-13 20:22:56,452 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-13 20:22:56,452 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-13 20:22:56,455 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-13 20:22:56,456 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 08:22:56" (1/1) ... [2019-10-13 20:22:56,459 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@941e23 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:22:56, skipping insertion in model container [2019-10-13 20:22:56,459 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 08:22:56" (1/1) ... [2019-10-13 20:22:56,467 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-13 20:22:56,632 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-13 20:22:59,200 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 20:22:59,269 INFO L188 MainTranslator]: Completed pre-run [2019-10-13 20:22:59,777 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 20:22:59,956 INFO L192 MainTranslator]: Completed translation [2019-10-13 20:22:59,957 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:22:59 WrapperNode [2019-10-13 20:22:59,957 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-13 20:22:59,958 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-13 20:22:59,958 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-13 20:22:59,958 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-13 20:22:59,974 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:22:59" (1/1) ... [2019-10-13 20:22:59,975 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:22:59" (1/1) ... [2019-10-13 20:23:00,089 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:22:59" (1/1) ... [2019-10-13 20:23:00,090 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:22:59" (1/1) ... [2019-10-13 20:23:00,230 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:22:59" (1/1) ... [2019-10-13 20:23:00,265 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:22:59" (1/1) ... [2019-10-13 20:23:00,303 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:22:59" (1/1) ... [2019-10-13 20:23:00,347 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-13 20:23:00,348 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-13 20:23:00,348 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-13 20:23:00,350 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-13 20:23:00,352 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:22:59" (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 20:23:00,431 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-13 20:23:00,432 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-13 20:23:00,432 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2019-10-13 20:23:00,432 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~TO~VOID [2019-10-13 20:23:00,432 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2019-10-13 20:23:00,434 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2019-10-13 20:23:00,434 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2019-10-13 20:23:00,435 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-10-13 20:23:00,436 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-10-13 20:23:00,437 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2019-10-13 20:23:00,438 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ptr [2019-10-13 20:23:00,438 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2019-10-13 20:23:00,438 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2019-10-13 20:23:00,440 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2019-10-13 20:23:00,440 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2019-10-13 20:23:00,440 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2019-10-13 20:23:00,445 INFO L138 BoogieDeclarations]: Found implementation of procedure probe_st5481 [2019-10-13 20:23:00,445 INFO L138 BoogieDeclarations]: Found implementation of procedure disconnect_st5481 [2019-10-13 20:23:00,446 INFO L138 BoogieDeclarations]: Found implementation of procedure st5481_usb_init [2019-10-13 20:23:00,446 INFO L138 BoogieDeclarations]: Found implementation of procedure st5481_usb_exit [2019-10-13 20:23:00,446 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_driver_1 [2019-10-13 20:23:00,447 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-13 20:23:00,447 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2019-10-13 20:23:00,447 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_set_intfdata_2 [2019-10-13 20:23:00,447 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_get_intfdata_3 [2019-10-13 20:23:00,447 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_register_driver_5 [2019-10-13 20:23:00,447 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_deregister_6 [2019-10-13 20:23:00,447 INFO L138 BoogieDeclarations]: Found implementation of procedure __cpu_to_le16p [2019-10-13 20:23:00,447 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2019-10-13 20:23:00,448 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2019-10-13 20:23:00,448 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_clear_bit [2019-10-13 20:23:00,448 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2019-10-13 20:23:00,448 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2019-10-13 20:23:00,448 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_control_urb [2019-10-13 20:23:00,448 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2019-10-13 20:23:00,449 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2019-10-13 20:23:00,449 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_alloc_skb [2019-10-13 20:23:00,449 INFO L138 BoogieDeclarations]: Found implementation of procedure fifo_init [2019-10-13 20:23:00,449 INFO L138 BoogieDeclarations]: Found implementation of procedure fifo_add [2019-10-13 20:23:00,450 INFO L138 BoogieDeclarations]: Found implementation of procedure fifo_remove [2019-10-13 20:23:00,450 INFO L138 BoogieDeclarations]: Found implementation of procedure dump_packet [2019-10-13 20:23:00,450 INFO L138 BoogieDeclarations]: Found implementation of procedure dump_iso_packet [2019-10-13 20:23:00,450 INFO L138 BoogieDeclarations]: Found implementation of procedure ST5481_CMD_string [2019-10-13 20:23:00,450 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_next_ctrl_msg [2019-10-13 20:23:00,450 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_ctrl_msg [2019-10-13 20:23:00,451 INFO L138 BoogieDeclarations]: Found implementation of procedure st5481_usb_device_ctrl_msg [2019-10-13 20:23:00,451 INFO L138 BoogieDeclarations]: Found implementation of procedure st5481_usb_pipe_reset [2019-10-13 20:23:00,451 INFO L138 BoogieDeclarations]: Found implementation of procedure st5481_ph_command [2019-10-13 20:23:00,451 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_ctrl_complete [2019-10-13 20:23:00,451 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_int_complete [2019-10-13 20:23:00,452 INFO L138 BoogieDeclarations]: Found implementation of procedure st5481_setup_usb [2019-10-13 20:23:00,452 INFO L138 BoogieDeclarations]: Found implementation of procedure st5481_release_usb [2019-10-13 20:23:00,452 INFO L138 BoogieDeclarations]: Found implementation of procedure st5481_start [2019-10-13 20:23:00,452 INFO L138 BoogieDeclarations]: Found implementation of procedure st5481_stop [2019-10-13 20:23:00,452 INFO L138 BoogieDeclarations]: Found implementation of procedure fill_isoc_urb [2019-10-13 20:23:00,452 INFO L138 BoogieDeclarations]: Found implementation of procedure st5481_setup_isocpipes [2019-10-13 20:23:00,453 INFO L138 BoogieDeclarations]: Found implementation of procedure st5481_release_isocpipes [2019-10-13 20:23:00,453 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_in_complete [2019-10-13 20:23:00,453 INFO L138 BoogieDeclarations]: Found implementation of procedure st5481_setup_in [2019-10-13 20:23:00,454 INFO L138 BoogieDeclarations]: Found implementation of procedure st5481_release_in [2019-10-13 20:23:00,454 INFO L138 BoogieDeclarations]: Found implementation of procedure st5481_isoc_flatten [2019-10-13 20:23:00,454 INFO L138 BoogieDeclarations]: Found implementation of procedure st5481_start_rcv [2019-10-13 20:23:00,454 INFO L138 BoogieDeclarations]: Found implementation of procedure st5481_in_mode [2019-10-13 20:23:00,455 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_10 [2019-10-13 20:23:00,455 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_11 [2019-10-13 20:23:00,455 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_alloc_urb_12 [2019-10-13 20:23:00,455 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_alloc_urb_13 [2019-10-13 20:23:00,455 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_fill_int_urb_14 [2019-10-13 20:23:00,456 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_free_urb_15 [2019-10-13 20:23:00,456 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_free_urb_16 [2019-10-13 20:23:00,456 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_free_urb_17 [2019-10-13 20:23:00,456 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_free_urb_18 [2019-10-13 20:23:00,456 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_19 [2019-10-13 20:23:00,457 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_alloc_urb_20 [2019-10-13 20:23:00,457 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_free_urb_21 [2019-10-13 20:23:00,457 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_free_urb_22 [2019-10-13 20:23:00,458 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_23 [2019-10-13 20:23:00,458 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_24 [2019-10-13 20:23:00,458 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_25 [2019-10-13 20:23:00,458 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2019-10-13 20:23:00,458 INFO L138 BoogieDeclarations]: Found implementation of procedure get_buf_nr [2019-10-13 20:23:00,459 INFO L138 BoogieDeclarations]: Found implementation of procedure dump_packet___0 [2019-10-13 20:23:00,459 INFO L138 BoogieDeclarations]: Found implementation of procedure dump_iso_packet___0 [2019-10-13 20:23:00,459 INFO L138 BoogieDeclarations]: Found implementation of procedure D_L1L2 [2019-10-13 20:23:00,459 INFO L138 BoogieDeclarations]: Found implementation of procedure l1_go_f3 [2019-10-13 20:23:00,460 INFO L138 BoogieDeclarations]: Found implementation of procedure l1_go_f6 [2019-10-13 20:23:00,460 INFO L138 BoogieDeclarations]: Found implementation of procedure l1_go_f7 [2019-10-13 20:23:00,461 INFO L138 BoogieDeclarations]: Found implementation of procedure l1_go_f8 [2019-10-13 20:23:00,462 INFO L138 BoogieDeclarations]: Found implementation of procedure l1_timer3 [2019-10-13 20:23:00,462 INFO L138 BoogieDeclarations]: Found implementation of procedure l1_ignore [2019-10-13 20:23:00,462 INFO L138 BoogieDeclarations]: Found implementation of procedure l1_activate [2019-10-13 20:23:00,462 INFO L138 BoogieDeclarations]: Found implementation of procedure l1m_debug [2019-10-13 20:23:00,463 INFO L138 BoogieDeclarations]: Found implementation of procedure dout_debug [2019-10-13 20:23:00,463 INFO L138 BoogieDeclarations]: Found implementation of procedure dout_stop_event [2019-10-13 20:23:00,463 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_d_out [2019-10-13 20:23:00,463 INFO L138 BoogieDeclarations]: Found implementation of procedure fifo_reseted [2019-10-13 20:23:00,463 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_d_out_complete [2019-10-13 20:23:00,463 INFO L138 BoogieDeclarations]: Found implementation of procedure dout_start_xmit [2019-10-13 20:23:00,463 INFO L138 BoogieDeclarations]: Found implementation of procedure dout_short_fifo [2019-10-13 20:23:00,464 INFO L138 BoogieDeclarations]: Found implementation of procedure dout_end_short_frame [2019-10-13 20:23:00,464 INFO L138 BoogieDeclarations]: Found implementation of procedure dout_long_enable_fifo [2019-10-13 20:23:00,464 INFO L138 BoogieDeclarations]: Found implementation of procedure dout_long_den [2019-10-13 20:23:00,464 INFO L138 BoogieDeclarations]: Found implementation of procedure dout_reset [2019-10-13 20:23:00,464 INFO L138 BoogieDeclarations]: Found implementation of procedure dout_stop [2019-10-13 20:23:00,464 INFO L138 BoogieDeclarations]: Found implementation of procedure dout_underrun [2019-10-13 20:23:00,464 INFO L138 BoogieDeclarations]: Found implementation of procedure dout_check_busy [2019-10-13 20:23:00,465 INFO L138 BoogieDeclarations]: Found implementation of procedure dout_reseted [2019-10-13 20:23:00,465 INFO L138 BoogieDeclarations]: Found implementation of procedure dout_complete [2019-10-13 20:23:00,465 INFO L138 BoogieDeclarations]: Found implementation of procedure dout_ignore [2019-10-13 20:23:00,465 INFO L138 BoogieDeclarations]: Found implementation of procedure st5481_d_l2l1 [2019-10-13 20:23:00,465 INFO L138 BoogieDeclarations]: Found implementation of procedure ph_connect [2019-10-13 20:23:00,465 INFO L138 BoogieDeclarations]: Found implementation of procedure ph_disconnect [2019-10-13 20:23:00,465 INFO L138 BoogieDeclarations]: Found implementation of procedure st5481_setup_d_out [2019-10-13 20:23:00,466 INFO L138 BoogieDeclarations]: Found implementation of procedure st5481_release_d_out [2019-10-13 20:23:00,466 INFO L138 BoogieDeclarations]: Found implementation of procedure st5481_setup_d [2019-10-13 20:23:00,466 INFO L138 BoogieDeclarations]: Found implementation of procedure st5481_release_d [2019-10-13 20:23:00,466 INFO L138 BoogieDeclarations]: Found implementation of procedure st5481_d_init [2019-10-13 20:23:00,467 INFO L138 BoogieDeclarations]: Found implementation of procedure st5481_d_exit [2019-10-13 20:23:00,467 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_27 [2019-10-13 20:23:00,467 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_28 [2019-10-13 20:23:00,467 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_29 [2019-10-13 20:23:00,468 INFO L138 BoogieDeclarations]: Found implementation of procedure bitrev8 [2019-10-13 20:23:00,468 INFO L138 BoogieDeclarations]: Found implementation of procedure dump_packet___1 [2019-10-13 20:23:00,468 INFO L138 BoogieDeclarations]: Found implementation of procedure dump_iso_packet___1 [2019-10-13 20:23:00,469 INFO L138 BoogieDeclarations]: Found implementation of procedure B_L1L2 [2019-10-13 20:23:00,469 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_b_out [2019-10-13 20:23:00,469 INFO L138 BoogieDeclarations]: Found implementation of procedure st5481B_start_xfer [2019-10-13 20:23:00,469 INFO L138 BoogieDeclarations]: Found implementation of procedure led_blink [2019-10-13 20:23:00,469 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_b_out_complete [2019-10-13 20:23:00,470 INFO L138 BoogieDeclarations]: Found implementation of procedure st5481B_mode [2019-10-13 20:23:00,470 INFO L138 BoogieDeclarations]: Found implementation of procedure st5481_setup_b_out [2019-10-13 20:23:00,470 INFO L138 BoogieDeclarations]: Found implementation of procedure st5481_release_b_out [2019-10-13 20:23:00,470 INFO L138 BoogieDeclarations]: Found implementation of procedure st5481_setup_b [2019-10-13 20:23:00,470 INFO L138 BoogieDeclarations]: Found implementation of procedure st5481_release_b [2019-10-13 20:23:00,471 INFO L138 BoogieDeclarations]: Found implementation of procedure st5481_b_l2l1 [2019-10-13 20:23:00,471 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_31 [2019-10-13 20:23:00,472 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop___0 [2019-10-13 20:23:00,475 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_get_intfdata [2019-10-13 20:23:00,475 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_set_intfdata [2019-10-13 20:23:00,475 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_put_intf [2019-10-13 20:23:00,476 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_alloc_urb [2019-10-13 20:23:00,476 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_urb [2019-10-13 20:23:00,476 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_fill_int_urb [2019-10-13 20:23:00,477 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_fill_bulk_urb [2019-10-13 20:23:00,483 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_urb [2019-10-13 20:23:00,483 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_interface_to_usbdev [2019-10-13 20:23:00,485 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_get_dev [2019-10-13 20:23:00,485 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_put_dev [2019-10-13 20:23:00,485 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_get_interface [2019-10-13 20:23:00,485 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_put_interface [2019-10-13 20:23:00,485 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_serial_register [2019-10-13 20:23:00,486 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_serial_deregister [2019-10-13 20:23:00,486 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-10-13 20:23:00,486 INFO L138 BoogieDeclarations]: Found implementation of procedure FsmChangeState [2019-10-13 20:23:00,486 INFO L138 BoogieDeclarations]: Found implementation of procedure FsmDelTimer [2019-10-13 20:23:00,486 INFO L138 BoogieDeclarations]: Found implementation of procedure FsmEvent [2019-10-13 20:23:00,486 INFO L138 BoogieDeclarations]: Found implementation of procedure FsmFree [2019-10-13 20:23:00,486 INFO L138 BoogieDeclarations]: Found implementation of procedure FsmInitTimer [2019-10-13 20:23:00,487 INFO L138 BoogieDeclarations]: Found implementation of procedure FsmNew [2019-10-13 20:23:00,487 INFO L138 BoogieDeclarations]: Found implementation of procedure FsmRestartTimer [2019-10-13 20:23:00,487 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2019-10-13 20:23:00,487 INFO L138 BoogieDeclarations]: Found implementation of procedure __netdev_alloc_skb [2019-10-13 20:23:00,487 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2019-10-13 20:23:00,487 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2019-10-13 20:23:00,487 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irqrestore [2019-10-13 20:23:00,487 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2019-10-13 20:23:00,488 INFO L138 BoogieDeclarations]: Found implementation of procedure hisax_register [2019-10-13 20:23:00,488 INFO L138 BoogieDeclarations]: Found implementation of procedure hisax_unregister [2019-10-13 20:23:00,488 INFO L138 BoogieDeclarations]: Found implementation of procedure isdnhdlc_decode [2019-10-13 20:23:00,488 INFO L138 BoogieDeclarations]: Found implementation of procedure isdnhdlc_encode [2019-10-13 20:23:00,488 INFO L138 BoogieDeclarations]: Found implementation of procedure isdnhdlc_out_init [2019-10-13 20:23:00,488 INFO L138 BoogieDeclarations]: Found implementation of procedure isdnhdlc_rcv_init [2019-10-13 20:23:00,488 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_va_end [2019-10-13 20:23:00,489 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_va_start [2019-10-13 20:23:00,489 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-10-13 20:23:00,489 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2019-10-13 20:23:00,489 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_pull [2019-10-13 20:23:00,489 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2019-10-13 20:23:00,489 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_altnum_to_altsetting [2019-10-13 20:23:00,489 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_deregister [2019-10-13 20:23:00,489 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_current_frame_number [2019-10-13 20:23:00,490 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_ifnum_to_if [2019-10-13 20:23:00,490 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2019-10-13 20:23:00,490 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register_driver [2019-10-13 20:23:00,490 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_reset_configuration [2019-10-13 20:23:00,490 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_reset_endpoint [2019-10-13 20:23:00,490 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_interface [2019-10-13 20:23:00,490 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_unlink_urb [2019-10-13 20:23:00,490 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-10-13 20:23:00,491 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-10-13 20:23:00,491 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-10-13 20:23:00,491 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-10-13 20:23:00,491 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-10-13 20:23:00,491 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-13 20:23:00,492 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-13 20:23:00,492 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2019-10-13 20:23:00,492 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2019-10-13 20:23:00,492 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2019-10-13 20:23:00,492 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_get_intfdata_3 [2019-10-13 20:23:00,492 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_set_intfdata_2 [2019-10-13 20:23:00,492 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2019-10-13 20:23:00,492 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register_driver [2019-10-13 20:23:00,493 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_register_driver_5 [2019-10-13 20:23:00,493 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister [2019-10-13 20:23:00,493 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_deregister_6 [2019-10-13 20:23:00,493 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_interface_to_usbdev [2019-10-13 20:23:00,493 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_get_intfdata [2019-10-13 20:23:00,493 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_set_intfdata [2019-10-13 20:23:00,493 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-10-13 20:23:00,493 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-10-13 20:23:00,494 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2019-10-13 20:23:00,494 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2019-10-13 20:23:00,494 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2019-10-13 20:23:00,494 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-13 20:23:00,494 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-10-13 20:23:00,494 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-13 20:23:00,494 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-10-13 20:23:00,494 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-10-13 20:23:00,495 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-10-13 20:23:00,495 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-13 20:23:00,495 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-10-13 20:23:00,495 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-10-13 20:23:00,495 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2019-10-13 20:23:00,495 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ptr [2019-10-13 20:23:00,495 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2019-10-13 20:23:00,495 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2019-10-13 20:23:00,496 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2019-10-13 20:23:00,496 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2019-10-13 20:23:00,496 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_driver_1 [2019-10-13 20:23:00,496 INFO L130 BoogieDeclarations]: Found specification of procedure hisax_register [2019-10-13 20:23:00,496 INFO L130 BoogieDeclarations]: Found specification of procedure hisax_unregister [2019-10-13 20:23:00,496 INFO L130 BoogieDeclarations]: Found specification of procedure st5481_setup_b [2019-10-13 20:23:00,496 INFO L130 BoogieDeclarations]: Found specification of procedure st5481_release_b [2019-10-13 20:23:00,496 INFO L130 BoogieDeclarations]: Found specification of procedure st5481_d_l2l1 [2019-10-13 20:23:00,497 INFO L130 BoogieDeclarations]: Found specification of procedure st5481_setup_d [2019-10-13 20:23:00,497 INFO L130 BoogieDeclarations]: Found specification of procedure st5481_release_d [2019-10-13 20:23:00,497 INFO L130 BoogieDeclarations]: Found specification of procedure st5481_b_l2l1 [2019-10-13 20:23:00,497 INFO L130 BoogieDeclarations]: Found specification of procedure st5481_d_init [2019-10-13 20:23:00,497 INFO L130 BoogieDeclarations]: Found specification of procedure st5481_d_exit [2019-10-13 20:23:00,497 INFO L130 BoogieDeclarations]: Found specification of procedure st5481_setup_usb [2019-10-13 20:23:00,497 INFO L130 BoogieDeclarations]: Found specification of procedure st5481_release_usb [2019-10-13 20:23:00,497 INFO L130 BoogieDeclarations]: Found specification of procedure st5481_start [2019-10-13 20:23:00,498 INFO L130 BoogieDeclarations]: Found specification of procedure st5481_stop [2019-10-13 20:23:00,498 INFO L130 BoogieDeclarations]: Found specification of procedure probe_st5481 [2019-10-13 20:23:00,498 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-13 20:23:00,498 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-13 20:23:00,498 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-13 20:23:00,498 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-13 20:23:00,498 INFO L130 BoogieDeclarations]: Found specification of procedure disconnect_st5481 [2019-10-13 20:23:00,498 INFO L130 BoogieDeclarations]: Found specification of procedure st5481_usb_init [2019-10-13 20:23:00,499 INFO L130 BoogieDeclarations]: Found specification of procedure st5481_usb_exit [2019-10-13 20:23:00,499 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-10-13 20:23:00,499 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-10-13 20:23:00,499 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-13 20:23:00,499 INFO L130 BoogieDeclarations]: Found specification of procedure __cpu_to_le16p [2019-10-13 20:23:00,499 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2019-10-13 20:23:00,499 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2019-10-13 20:23:00,499 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_clear_bit [2019-10-13 20:23:00,500 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2019-10-13 20:23:00,500 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2019-10-13 20:23:00,500 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2019-10-13 20:23:00,500 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore [2019-10-13 20:23:00,500 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2019-10-13 20:23:00,501 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2019-10-13 20:23:00,506 INFO L130 BoogieDeclarations]: Found specification of procedure usb_ifnum_to_if [2019-10-13 20:23:00,506 INFO L130 BoogieDeclarations]: Found specification of procedure usb_altnum_to_altsetting [2019-10-13 20:23:00,506 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_control_urb [2019-10-13 20:23:00,506 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_fill_int_urb_14 [2019-10-13 20:23:00,506 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_alloc_urb_12 [2019-10-13 20:23:00,506 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_alloc_urb_13 [2019-10-13 20:23:00,507 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_alloc_urb_20 [2019-10-13 20:23:00,507 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_free_urb_15 [2019-10-13 20:23:00,509 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_free_urb_16 [2019-10-13 20:23:00,509 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_free_urb_17 [2019-10-13 20:23:00,510 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_free_urb_18 [2019-10-13 20:23:00,510 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_free_urb_21 [2019-10-13 20:23:00,510 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_free_urb_22 [2019-10-13 20:23:00,510 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_10 [2019-10-13 20:23:00,510 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_11 [2019-10-13 20:23:00,510 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_19 [2019-10-13 20:23:00,510 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_23 [2019-10-13 20:23:00,510 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_24 [2019-10-13 20:23:00,510 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_25 [2019-10-13 20:23:00,511 INFO L130 BoogieDeclarations]: Found specification of procedure usb_unlink_urb [2019-10-13 20:23:00,511 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2019-10-13 20:23:00,511 INFO L130 BoogieDeclarations]: Found specification of procedure usb_reset_configuration [2019-10-13 20:23:00,511 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_interface [2019-10-13 20:23:00,511 INFO L130 BoogieDeclarations]: Found specification of procedure usb_reset_endpoint [2019-10-13 20:23:00,511 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2019-10-13 20:23:00,511 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_alloc_urb [2019-10-13 20:23:00,511 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_urb [2019-10-13 20:23:00,511 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_fill_int_urb [2019-10-13 20:23:00,512 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_urb [2019-10-13 20:23:00,512 INFO L130 BoogieDeclarations]: Found specification of procedure isdnhdlc_rcv_init [2019-10-13 20:23:00,512 INFO L130 BoogieDeclarations]: Found specification of procedure isdnhdlc_decode [2019-10-13 20:23:00,512 INFO L130 BoogieDeclarations]: Found specification of procedure FsmEvent [2019-10-13 20:23:00,512 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2019-10-13 20:23:00,512 INFO L130 BoogieDeclarations]: Found specification of procedure __netdev_alloc_skb [2019-10-13 20:23:00,512 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2019-10-13 20:23:00,512 INFO L130 BoogieDeclarations]: Found specification of procedure dev_alloc_skb [2019-10-13 20:23:00,513 INFO L130 BoogieDeclarations]: Found specification of procedure fifo_init [2019-10-13 20:23:00,513 INFO L130 BoogieDeclarations]: Found specification of procedure fifo_add [2019-10-13 20:23:00,513 INFO L130 BoogieDeclarations]: Found specification of procedure fifo_remove [2019-10-13 20:23:00,513 INFO L130 BoogieDeclarations]: Found specification of procedure st5481_setup_in [2019-10-13 20:23:00,513 INFO L130 BoogieDeclarations]: Found specification of procedure st5481_release_in [2019-10-13 20:23:00,513 INFO L130 BoogieDeclarations]: Found specification of procedure st5481_in_mode [2019-10-13 20:23:00,513 INFO L130 BoogieDeclarations]: Found specification of procedure st5481_ph_command [2019-10-13 20:23:00,513 INFO L130 BoogieDeclarations]: Found specification of procedure st5481_setup_isocpipes [2019-10-13 20:23:00,514 INFO L130 BoogieDeclarations]: Found specification of procedure st5481_release_isocpipes [2019-10-13 20:23:00,514 INFO L130 BoogieDeclarations]: Found specification of procedure st5481_usb_pipe_reset [2019-10-13 20:23:00,514 INFO L130 BoogieDeclarations]: Found specification of procedure st5481_usb_device_ctrl_msg [2019-10-13 20:23:00,514 INFO L130 BoogieDeclarations]: Found specification of procedure dump_packet [2019-10-13 20:23:00,514 INFO L130 BoogieDeclarations]: Found specification of procedure dump_iso_packet [2019-10-13 20:23:00,514 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-13 20:23:00,514 INFO L130 BoogieDeclarations]: Found specification of procedure ST5481_CMD_string [2019-10-13 20:23:00,514 INFO L130 BoogieDeclarations]: Found specification of procedure st5481_isoc_flatten [2019-10-13 20:23:00,514 INFO L130 BoogieDeclarations]: Found specification of procedure usb_next_ctrl_msg [2019-10-13 20:23:00,515 INFO L130 BoogieDeclarations]: Found specification of procedure usb_ctrl_msg [2019-10-13 20:23:00,515 INFO L130 BoogieDeclarations]: Found specification of procedure usb_ctrl_complete [2019-10-13 20:23:00,515 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2019-10-13 20:23:00,515 INFO L130 BoogieDeclarations]: Found specification of procedure usb_int_complete [2019-10-13 20:23:00,515 INFO L130 BoogieDeclarations]: Found specification of procedure fill_isoc_urb [2019-10-13 20:23:00,515 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-10-13 20:23:00,515 INFO L130 BoogieDeclarations]: Found specification of procedure usb_in_complete [2019-10-13 20:23:00,515 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-10-13 20:23:00,516 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~TO~VOID [2019-10-13 20:23:00,516 INFO L130 BoogieDeclarations]: Found specification of procedure st5481_start_rcv [2019-10-13 20:23:00,516 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_va_end [2019-10-13 20:23:00,516 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_va_start [2019-10-13 20:23:00,516 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2019-10-13 20:23:00,516 INFO L130 BoogieDeclarations]: Found specification of procedure vsnprintf [2019-10-13 20:23:00,516 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_current_frame_number [2019-10-13 20:23:00,516 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_27 [2019-10-13 20:23:00,516 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_28 [2019-10-13 20:23:00,516 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_29 [2019-10-13 20:23:00,517 INFO L130 BoogieDeclarations]: Found specification of procedure skb_pull [2019-10-13 20:23:00,517 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2019-10-13 20:23:00,517 INFO L130 BoogieDeclarations]: Found specification of procedure isdnhdlc_out_init [2019-10-13 20:23:00,517 INFO L130 BoogieDeclarations]: Found specification of procedure isdnhdlc_encode [2019-10-13 20:23:00,517 INFO L130 BoogieDeclarations]: Found specification of procedure FsmNew [2019-10-13 20:23:00,517 INFO L130 BoogieDeclarations]: Found specification of procedure FsmFree [2019-10-13 20:23:00,517 INFO L130 BoogieDeclarations]: Found specification of procedure FsmChangeState [2019-10-13 20:23:00,517 INFO L130 BoogieDeclarations]: Found specification of procedure FsmInitTimer [2019-10-13 20:23:00,517 INFO L130 BoogieDeclarations]: Found specification of procedure FsmRestartTimer [2019-10-13 20:23:00,518 INFO L130 BoogieDeclarations]: Found specification of procedure FsmDelTimer [2019-10-13 20:23:00,518 INFO L130 BoogieDeclarations]: Found specification of procedure get_buf_nr [2019-10-13 20:23:00,518 INFO L130 BoogieDeclarations]: Found specification of procedure dump_packet___0 [2019-10-13 20:23:00,518 INFO L130 BoogieDeclarations]: Found specification of procedure dump_iso_packet___0 [2019-10-13 20:23:00,518 INFO L130 BoogieDeclarations]: Found specification of procedure ph_connect [2019-10-13 20:23:00,518 INFO L130 BoogieDeclarations]: Found specification of procedure ph_disconnect [2019-10-13 20:23:00,518 INFO L130 BoogieDeclarations]: Found specification of procedure D_L1L2 [2019-10-13 20:23:00,519 INFO L130 BoogieDeclarations]: Found specification of procedure l1_go_f3 [2019-10-13 20:23:00,519 INFO L130 BoogieDeclarations]: Found specification of procedure l1_go_f6 [2019-10-13 20:23:00,519 INFO L130 BoogieDeclarations]: Found specification of procedure l1_go_f7 [2019-10-13 20:23:00,519 INFO L130 BoogieDeclarations]: Found specification of procedure l1_go_f8 [2019-10-13 20:23:00,519 INFO L130 BoogieDeclarations]: Found specification of procedure l1_timer3 [2019-10-13 20:23:00,519 INFO L130 BoogieDeclarations]: Found specification of procedure l1_ignore [2019-10-13 20:23:00,520 INFO L130 BoogieDeclarations]: Found specification of procedure l1_activate [2019-10-13 20:23:00,520 INFO L130 BoogieDeclarations]: Found specification of procedure l1m_debug [2019-10-13 20:23:00,520 INFO L130 BoogieDeclarations]: Found specification of procedure dout_debug [2019-10-13 20:23:00,520 INFO L130 BoogieDeclarations]: Found specification of procedure dout_stop_event [2019-10-13 20:23:00,520 INFO L130 BoogieDeclarations]: Found specification of procedure usb_d_out [2019-10-13 20:23:00,520 INFO L130 BoogieDeclarations]: Found specification of procedure fifo_reseted [2019-10-13 20:23:00,520 INFO L130 BoogieDeclarations]: Found specification of procedure usb_d_out_complete [2019-10-13 20:23:00,521 INFO L130 BoogieDeclarations]: Found specification of procedure dout_start_xmit [2019-10-13 20:23:00,521 INFO L130 BoogieDeclarations]: Found specification of procedure dout_short_fifo [2019-10-13 20:23:00,521 INFO L130 BoogieDeclarations]: Found specification of procedure dout_end_short_frame [2019-10-13 20:23:00,521 INFO L130 BoogieDeclarations]: Found specification of procedure dout_long_enable_fifo [2019-10-13 20:23:00,521 INFO L130 BoogieDeclarations]: Found specification of procedure dout_long_den [2019-10-13 20:23:00,521 INFO L130 BoogieDeclarations]: Found specification of procedure dout_reset [2019-10-13 20:23:00,521 INFO L130 BoogieDeclarations]: Found specification of procedure dout_stop [2019-10-13 20:23:00,523 INFO L130 BoogieDeclarations]: Found specification of procedure dout_underrun [2019-10-13 20:23:00,523 INFO L130 BoogieDeclarations]: Found specification of procedure dout_check_busy [2019-10-13 20:23:00,523 INFO L130 BoogieDeclarations]: Found specification of procedure dout_reseted [2019-10-13 20:23:00,523 INFO L130 BoogieDeclarations]: Found specification of procedure dout_complete [2019-10-13 20:23:00,523 INFO L130 BoogieDeclarations]: Found specification of procedure dout_ignore [2019-10-13 20:23:00,523 INFO L130 BoogieDeclarations]: Found specification of procedure st5481_setup_d_out [2019-10-13 20:23:00,523 INFO L130 BoogieDeclarations]: Found specification of procedure st5481_release_d_out [2019-10-13 20:23:00,524 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-10-13 20:23:00,524 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_31 [2019-10-13 20:23:00,524 INFO L130 BoogieDeclarations]: Found specification of procedure bitrev8 [2019-10-13 20:23:00,524 INFO L130 BoogieDeclarations]: Found specification of procedure dump_packet___1 [2019-10-13 20:23:00,524 INFO L130 BoogieDeclarations]: Found specification of procedure dump_iso_packet___1 [2019-10-13 20:23:00,524 INFO L130 BoogieDeclarations]: Found specification of procedure B_L1L2 [2019-10-13 20:23:00,524 INFO L130 BoogieDeclarations]: Found specification of procedure usb_b_out [2019-10-13 20:23:00,524 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-10-13 20:23:00,525 INFO L130 BoogieDeclarations]: Found specification of procedure st5481B_start_xfer [2019-10-13 20:23:00,525 INFO L130 BoogieDeclarations]: Found specification of procedure led_blink [2019-10-13 20:23:00,525 INFO L130 BoogieDeclarations]: Found specification of procedure usb_b_out_complete [2019-10-13 20:23:00,525 INFO L130 BoogieDeclarations]: Found specification of procedure st5481B_mode [2019-10-13 20:23:00,525 INFO L130 BoogieDeclarations]: Found specification of procedure st5481_setup_b_out [2019-10-13 20:23:00,525 INFO L130 BoogieDeclarations]: Found specification of procedure st5481_release_b_out [2019-10-13 20:23:00,525 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop___0 [2019-10-13 20:23:00,526 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_put_intf [2019-10-13 20:23:00,526 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_fill_bulk_urb [2019-10-13 20:23:00,526 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_get_dev [2019-10-13 20:23:00,527 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_put_dev [2019-10-13 20:23:00,527 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_get_interface [2019-10-13 20:23:00,528 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_put_interface [2019-10-13 20:23:00,528 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_serial_register [2019-10-13 20:23:00,528 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_serial_deregister [2019-10-13 20:23:00,528 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-10-13 20:23:00,529 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-13 20:23:00,529 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-13 20:23:00,529 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-13 20:23:00,529 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-10-13 20:23:00,529 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-13 20:23:00,529 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2019-10-13 20:23:00,529 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2019-10-13 20:23:00,529 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-10-13 20:23:00,530 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-10-13 20:23:01,901 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2019-10-13 20:23:13,632 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stop___0FINAL: assume true; [2019-10-13 20:23:18,464 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-13 20:23:18,465 INFO L284 CfgBuilder]: Removed 1 assume(true) statements. [2019-10-13 20:23:18,467 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 08:23:18 BoogieIcfgContainer [2019-10-13 20:23:18,467 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-13 20:23:18,468 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-13 20:23:18,468 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-13 20:23:18,471 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-13 20:23:18,471 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 08:22:56" (1/3) ... [2019-10-13 20:23:18,471 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c563a91 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 08:23:18, skipping insertion in model container [2019-10-13 20:23:18,472 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:22:59" (2/3) ... [2019-10-13 20:23:18,472 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c563a91 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 08:23:18, skipping insertion in model container [2019-10-13 20:23:18,472 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 08:23:18" (3/3) ... [2019-10-13 20:23:18,474 INFO L109 eAbstractionObserver]: Analyzing ICFG linux-3.12-rc1.tar.xz-144_2a-drivers--isdn--hisax--hisax_st5481.ko-entry_point.cil.out.i [2019-10-13 20:23:18,482 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-13 20:23:18,492 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-13 20:23:18,502 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-13 20:23:18,540 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-13 20:23:18,541 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-13 20:23:18,541 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-13 20:23:18,541 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-13 20:23:18,541 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-13 20:23:18,541 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-13 20:23:18,541 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-13 20:23:18,541 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-13 20:23:18,587 INFO L276 IsEmpty]: Start isEmpty. Operand 1556 states. [2019-10-13 20:23:18,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2019-10-13 20:23:18,598 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 20:23:18,599 INFO L380 BasicCegarLoop]: trace histogram [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] [2019-10-13 20:23:18,601 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 20:23:18,606 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 20:23:18,607 INFO L82 PathProgramCache]: Analyzing trace with hash -2131827545, now seen corresponding path program 1 times [2019-10-13 20:23:18,616 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 20:23:18,617 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1970787072] [2019-10-13 20:23:18,617 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:23:18,617 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:23:18,617 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 20:23:19,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 20:23:19,792 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-13 20:23:19,793 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1970787072] [2019-10-13 20:23:19,795 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 20:23:19,795 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 20:23:19,795 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1662534693] [2019-10-13 20:23:19,802 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 20:23:19,804 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 20:23:19,821 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 20:23:19,822 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 20:23:19,824 INFO L87 Difference]: Start difference. First operand 1556 states. Second operand 3 states. [2019-10-13 20:23:24,008 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 20:23:24,008 INFO L93 Difference]: Finished difference Result 4476 states and 6155 transitions. [2019-10-13 20:23:24,009 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 20:23:24,010 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 50 [2019-10-13 20:23:24,011 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 20:23:24,055 INFO L225 Difference]: With dead ends: 4476 [2019-10-13 20:23:24,056 INFO L226 Difference]: Without dead ends: 2934 [2019-10-13 20:23:24,074 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 20:23:24,103 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2934 states. [2019-10-13 20:23:24,408 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2934 to 2934. [2019-10-13 20:23:24,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2934 states. [2019-10-13 20:23:24,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2934 states to 2934 states and 3873 transitions. [2019-10-13 20:23:24,439 INFO L78 Accepts]: Start accepts. Automaton has 2934 states and 3873 transitions. Word has length 50 [2019-10-13 20:23:24,439 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 20:23:24,439 INFO L462 AbstractCegarLoop]: Abstraction has 2934 states and 3873 transitions. [2019-10-13 20:23:24,439 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 20:23:24,440 INFO L276 IsEmpty]: Start isEmpty. Operand 2934 states and 3873 transitions. [2019-10-13 20:23:24,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2019-10-13 20:23:24,449 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 20:23:24,449 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 20:23:24,449 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 20:23:24,450 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 20:23:24,450 INFO L82 PathProgramCache]: Analyzing trace with hash 1643470365, now seen corresponding path program 1 times [2019-10-13 20:23:24,450 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 20:23:24,451 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [555438937] [2019-10-13 20:23:24,451 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:23:24,451 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:23:24,451 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 20:23:24,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 20:23:25,098 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 20:23:25,098 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [555438937] [2019-10-13 20:23:25,099 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 20:23:25,099 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 20:23:25,099 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [766870552] [2019-10-13 20:23:25,101 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 20:23:25,102 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 20:23:25,102 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 20:23:25,103 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 20:23:25,103 INFO L87 Difference]: Start difference. First operand 2934 states and 3873 transitions. Second operand 3 states. [2019-10-13 20:23:26,635 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 20:23:26,635 INFO L93 Difference]: Finished difference Result 2960 states and 3905 transitions. [2019-10-13 20:23:26,636 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 20:23:26,636 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 48 [2019-10-13 20:23:26,636 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 20:23:26,655 INFO L225 Difference]: With dead ends: 2960 [2019-10-13 20:23:26,655 INFO L226 Difference]: Without dead ends: 2947 [2019-10-13 20:23:26,658 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 20:23:26,664 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2947 states. [2019-10-13 20:23:26,781 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2947 to 2934. [2019-10-13 20:23:26,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2934 states. [2019-10-13 20:23:26,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2934 states to 2934 states and 3872 transitions. [2019-10-13 20:23:26,811 INFO L78 Accepts]: Start accepts. Automaton has 2934 states and 3872 transitions. Word has length 48 [2019-10-13 20:23:26,811 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 20:23:26,812 INFO L462 AbstractCegarLoop]: Abstraction has 2934 states and 3872 transitions. [2019-10-13 20:23:26,812 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 20:23:26,812 INFO L276 IsEmpty]: Start isEmpty. Operand 2934 states and 3872 transitions. [2019-10-13 20:23:26,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2019-10-13 20:23:26,814 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 20:23:26,814 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 20:23:26,814 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 20:23:26,814 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 20:23:26,815 INFO L82 PathProgramCache]: Analyzing trace with hash 1700728667, now seen corresponding path program 1 times [2019-10-13 20:23:26,815 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 20:23:26,815 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [689996973] [2019-10-13 20:23:26,815 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:23:26,815 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:23:26,816 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 20:23:27,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 20:23:27,407 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 20:23:27,407 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [689996973] [2019-10-13 20:23:27,408 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 20:23:27,408 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 20:23:27,408 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [461272723] [2019-10-13 20:23:27,409 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 20:23:27,409 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 20:23:27,410 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 20:23:27,410 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 20:23:27,410 INFO L87 Difference]: Start difference. First operand 2934 states and 3872 transitions. Second operand 3 states. [2019-10-13 20:23:27,906 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 20:23:27,906 INFO L93 Difference]: Finished difference Result 8759 states and 12489 transitions. [2019-10-13 20:23:27,907 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 20:23:27,907 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 48 [2019-10-13 20:23:27,907 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 20:23:27,955 INFO L225 Difference]: With dead ends: 8759 [2019-10-13 20:23:27,956 INFO L226 Difference]: Without dead ends: 5846 [2019-10-13 20:23:27,978 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 20:23:27,989 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5846 states. [2019-10-13 20:23:28,255 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5846 to 5836. [2019-10-13 20:23:28,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5836 states. [2019-10-13 20:23:28,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5836 states to 5836 states and 8044 transitions. [2019-10-13 20:23:28,293 INFO L78 Accepts]: Start accepts. Automaton has 5836 states and 8044 transitions. Word has length 48 [2019-10-13 20:23:28,295 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 20:23:28,295 INFO L462 AbstractCegarLoop]: Abstraction has 5836 states and 8044 transitions. [2019-10-13 20:23:28,295 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 20:23:28,295 INFO L276 IsEmpty]: Start isEmpty. Operand 5836 states and 8044 transitions. [2019-10-13 20:23:28,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2019-10-13 20:23:28,296 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 20:23:28,297 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, 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 20:23:28,297 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 20:23:28,297 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 20:23:28,297 INFO L82 PathProgramCache]: Analyzing trace with hash 1182229619, now seen corresponding path program 1 times [2019-10-13 20:23:28,298 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 20:23:28,298 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [339537743] [2019-10-13 20:23:28,298 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:23:28,298 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:23:28,298 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 20:23:28,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 20:23:28,786 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 20:23:28,787 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [339537743] [2019-10-13 20:23:28,787 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 20:23:28,788 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 20:23:28,788 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1670044872] [2019-10-13 20:23:28,789 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 20:23:28,789 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 20:23:28,789 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 20:23:28,789 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 20:23:28,790 INFO L87 Difference]: Start difference. First operand 5836 states and 8044 transitions. Second operand 3 states. [2019-10-13 20:23:28,983 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 20:23:28,984 INFO L93 Difference]: Finished difference Result 5838 states and 8045 transitions. [2019-10-13 20:23:28,984 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 20:23:28,984 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 49 [2019-10-13 20:23:28,985 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 20:23:29,031 INFO L225 Difference]: With dead ends: 5838 [2019-10-13 20:23:29,031 INFO L226 Difference]: Without dead ends: 5835 [2019-10-13 20:23:29,037 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 20:23:29,046 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5835 states. [2019-10-13 20:23:29,373 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5835 to 5835. [2019-10-13 20:23:29,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5835 states. [2019-10-13 20:23:29,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5835 states to 5835 states and 8042 transitions. [2019-10-13 20:23:29,413 INFO L78 Accepts]: Start accepts. Automaton has 5835 states and 8042 transitions. Word has length 49 [2019-10-13 20:23:29,413 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 20:23:29,413 INFO L462 AbstractCegarLoop]: Abstraction has 5835 states and 8042 transitions. [2019-10-13 20:23:29,414 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 20:23:29,414 INFO L276 IsEmpty]: Start isEmpty. Operand 5835 states and 8042 transitions. [2019-10-13 20:23:29,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2019-10-13 20:23:29,415 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 20:23:29,416 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, 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 20:23:29,416 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 20:23:29,416 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 20:23:29,416 INFO L82 PathProgramCache]: Analyzing trace with hash -2006334114, now seen corresponding path program 1 times [2019-10-13 20:23:29,417 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 20:23:29,417 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1863848638] [2019-10-13 20:23:29,417 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:23:29,417 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:23:29,417 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 20:23:29,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 20:23:29,833 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 20:23:29,834 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1863848638] [2019-10-13 20:23:29,834 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 20:23:29,835 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 20:23:29,835 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [814179686] [2019-10-13 20:23:29,835 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 20:23:29,836 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 20:23:29,836 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 20:23:29,838 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 20:23:29,838 INFO L87 Difference]: Start difference. First operand 5835 states and 8042 transitions. Second operand 3 states. [2019-10-13 20:23:30,104 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 20:23:30,104 INFO L93 Difference]: Finished difference Result 5837 states and 8043 transitions. [2019-10-13 20:23:30,105 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 20:23:30,105 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 50 [2019-10-13 20:23:30,105 INFO L84 Accepts]: Finished accepts. some prefix is accepted.