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--usb--class--cdc-acm.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f4eb214f-m [2019-10-13 20:23:21,277 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-13 20:23:21,280 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-13 20:23:21,294 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-13 20:23:21,294 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-13 20:23:21,296 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-13 20:23:21,297 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-13 20:23:21,299 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-13 20:23:21,301 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-13 20:23:21,302 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-13 20:23:21,303 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-13 20:23:21,304 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-13 20:23:21,305 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-13 20:23:21,306 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-13 20:23:21,307 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-13 20:23:21,308 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-13 20:23:21,309 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-13 20:23:21,310 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-13 20:23:21,312 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-13 20:23:21,314 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-13 20:23:21,316 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-13 20:23:21,317 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-13 20:23:21,318 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-13 20:23:21,319 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-13 20:23:21,321 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-13 20:23:21,322 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-13 20:23:21,322 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-13 20:23:21,323 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-13 20:23:21,323 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-13 20:23:21,324 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-13 20:23:21,325 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-13 20:23:21,326 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-13 20:23:21,326 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-13 20:23:21,327 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-13 20:23:21,328 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-13 20:23:21,329 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-13 20:23:21,329 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-13 20:23:21,330 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-13 20:23:21,330 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-13 20:23:21,331 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-13 20:23:21,332 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-13 20:23:21,332 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 20:23:21,348 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-13 20:23:21,349 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-13 20:23:21,350 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-13 20:23:21,350 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-13 20:23:21,350 INFO L138 SettingsManager]: * Use SBE=true [2019-10-13 20:23:21,351 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-13 20:23:21,351 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-13 20:23:21,351 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-13 20:23:21,351 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-13 20:23:21,352 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-13 20:23:21,352 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-13 20:23:21,352 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-13 20:23:21,352 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-13 20:23:21,353 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-13 20:23:21,353 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-13 20:23:21,354 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-13 20:23:21,355 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-13 20:23:21,355 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-13 20:23:21,355 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-13 20:23:21,355 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-13 20:23:21,356 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-13 20:23:21,356 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 20:23:21,356 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-13 20:23:21,357 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-13 20:23:21,357 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-13 20:23:21,357 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-13 20:23:21,357 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-13 20:23:21,358 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-13 20:23:21,358 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 20:23:21,712 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-13 20:23:21,726 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-13 20:23:21,729 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-13 20:23:21,731 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-13 20:23:21,731 INFO L275 PluginConnector]: CDTParser initialized [2019-10-13 20:23:21,732 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--usb--class--cdc-acm.ko-entry_point.cil.out.i [2019-10-13 20:23:21,806 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/496f11715/01eae0f225294ab1be23035b161b474f/FLAG079ea11f1 [2019-10-13 20:23:22,636 INFO L306 CDTParser]: Found 1 translation units. [2019-10-13 20:23:22,637 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--usb--class--cdc-acm.ko-entry_point.cil.out.i [2019-10-13 20:23:22,684 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/496f11715/01eae0f225294ab1be23035b161b474f/FLAG079ea11f1 [2019-10-13 20:23:23,127 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/496f11715/01eae0f225294ab1be23035b161b474f [2019-10-13 20:23:23,137 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-13 20:23:23,139 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-13 20:23:23,140 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-13 20:23:23,140 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-13 20:23:23,143 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-13 20:23:23,144 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 08:23:23" (1/1) ... [2019-10-13 20:23:23,147 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1d7bcbef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:23:23, skipping insertion in model container [2019-10-13 20:23:23,147 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 08:23:23" (1/1) ... [2019-10-13 20:23:23,155 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-13 20:23:23,287 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-13 20:23:25,408 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 20:23:25,490 INFO L188 MainTranslator]: Completed pre-run [2019-10-13 20:23:25,979 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 20:23:26,425 INFO L192 MainTranslator]: Completed translation [2019-10-13 20:23:26,426 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:23:26 WrapperNode [2019-10-13 20:23:26,426 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-13 20:23:26,427 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-13 20:23:26,427 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-13 20:23:26,427 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-13 20:23:26,443 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:23:26" (1/1) ... [2019-10-13 20:23:26,443 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:23:26" (1/1) ... [2019-10-13 20:23:26,543 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:23:26" (1/1) ... [2019-10-13 20:23:26,546 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:23:26" (1/1) ... [2019-10-13 20:23:26,792 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:23:26" (1/1) ... [2019-10-13 20:23:26,824 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:23:26" (1/1) ... [2019-10-13 20:23:26,863 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:23:26" (1/1) ... [2019-10-13 20:23:26,892 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-13 20:23:26,893 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-13 20:23:26,893 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-13 20:23:26,894 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-13 20:23:26,895 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:23:26" (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 20:23:26,963 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-13 20:23:26,964 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-13 20:23:26,964 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2019-10-13 20:23:26,964 INFO L138 BoogieDeclarations]: Found implementation of procedure __le16_to_cpup [2019-10-13 20:23:26,964 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_dir_in [2019-10-13 20:23:26,965 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_dir_out [2019-10-13 20:23:26,965 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_xfer_bulk [2019-10-13 20:23:26,965 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_xfer_int [2019-10-13 20:23:26,965 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_is_bulk_in [2019-10-13 20:23:26,965 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_is_bulk_out [2019-10-13 20:23:26,966 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_is_int_in [2019-10-13 20:23:26,966 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_maxp [2019-10-13 20:23:26,966 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2019-10-13 20:23:26,966 INFO L138 BoogieDeclarations]: Found implementation of procedure __set_bit [2019-10-13 20:23:26,966 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_clear_bit [2019-10-13 20:23:26,967 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2019-10-13 20:23:26,967 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2019-10-13 20:23:26,967 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2019-10-13 20:23:26,967 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_add_return [2019-10-13 20:23:26,968 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2019-10-13 20:23:26,968 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2019-10-13 20:23:26,968 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2019-10-13 20:23:26,968 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2019-10-13 20:23:26,968 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2019-10-13 20:23:26,969 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2019-10-13 20:23:26,969 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2019-10-13 20:23:26,969 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work [2019-10-13 20:23:26,969 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2019-10-13 20:23:26,969 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2019-10-13 20:23:26,969 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2019-10-13 20:23:26,970 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_get [2019-10-13 20:23:26,970 INFO L138 BoogieDeclarations]: Found implementation of procedure pm_runtime_mark_last_busy [2019-10-13 20:23:26,970 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_mark_last_busy [2019-10-13 20:23:26,970 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_interface_claimed [2019-10-13 20:23:26,970 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2019-10-13 20:23:26,970 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_tty_driver [2019-10-13 20:23:26,971 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_get_baud_rate [2019-10-13 20:23:26,971 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_port_get [2019-10-13 20:23:26,971 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2019-10-13 20:23:26,971 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2019-10-13 20:23:26,971 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2019-10-13 20:23:26,971 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-10-13 20:23:26,972 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-10-13 20:23:26,972 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2019-10-13 20:23:26,972 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ptr [2019-10-13 20:23:26,972 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2019-10-13 20:23:26,972 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2019-10-13 20:23:26,972 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2019-10-13 20:23:26,973 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2019-10-13 20:23:26,973 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2019-10-13 20:23:26,973 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_insert_flip_string [2019-10-13 20:23:26,973 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_le16 [2019-10-13 20:23:26,973 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_get_by_index [2019-10-13 20:23:26,973 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_alloc_minor [2019-10-13 20:23:26,974 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_release_minor [2019-10-13 20:23:26,974 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_ctrl_msg [2019-10-13 20:23:26,974 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_wb_alloc [2019-10-13 20:23:26,974 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_wb_is_avail [2019-10-13 20:23:26,974 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_write_done [2019-10-13 20:23:26,974 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_start_wb [2019-10-13 20:23:26,974 INFO L138 BoogieDeclarations]: Found implementation of procedure show_caps [2019-10-13 20:23:26,975 INFO L138 BoogieDeclarations]: Found implementation of procedure show_country_codes [2019-10-13 20:23:26,975 INFO L138 BoogieDeclarations]: Found implementation of procedure show_country_rel_date [2019-10-13 20:23:26,975 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_ctrl_irq [2019-10-13 20:23:26,975 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_submit_read_urb [2019-10-13 20:23:26,975 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_submit_read_urbs [2019-10-13 20:23:26,975 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_process_read_urb [2019-10-13 20:23:26,976 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_read_bulk_callback [2019-10-13 20:23:26,976 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_write_bulk [2019-10-13 20:23:26,976 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_softint [2019-10-13 20:23:26,976 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_install [2019-10-13 20:23:26,976 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_open [2019-10-13 20:23:26,976 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_port_activate [2019-10-13 20:23:26,976 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_port_destruct [2019-10-13 20:23:26,977 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_port_shutdown [2019-10-13 20:23:26,977 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_cleanup [2019-10-13 20:23:26,977 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_hangup [2019-10-13 20:23:26,977 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_close [2019-10-13 20:23:26,977 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_write [2019-10-13 20:23:26,977 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_write_room [2019-10-13 20:23:26,979 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_chars_in_buffer [2019-10-13 20:23:26,979 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_throttle [2019-10-13 20:23:26,979 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_unthrottle [2019-10-13 20:23:26,979 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_break_ctl [2019-10-13 20:23:26,979 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_tiocmget [2019-10-13 20:23:26,980 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_tiocmset [2019-10-13 20:23:26,980 INFO L138 BoogieDeclarations]: Found implementation of procedure get_serial_info [2019-10-13 20:23:26,981 INFO L138 BoogieDeclarations]: Found implementation of procedure set_serial_info [2019-10-13 20:23:26,981 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_ioctl [2019-10-13 20:23:26,981 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_set_termios [2019-10-13 20:23:26,981 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_write_buffers_free [2019-10-13 20:23:26,981 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_read_buffers_free [2019-10-13 20:23:26,981 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_write_buffers_alloc [2019-10-13 20:23:26,982 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_probe [2019-10-13 20:23:26,982 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_data_traffic [2019-10-13 20:23:26,982 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_disconnect [2019-10-13 20:23:26,982 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_suspend [2019-10-13 20:23:26,982 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_resume [2019-10-13 20:23:26,982 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_reset_resume [2019-10-13 20:23:26,982 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_init [2019-10-13 20:23:26,983 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_exit [2019-10-13 20:23:26,983 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_driver_2 [2019-10-13 20:23:26,983 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_tty_port_operations_3 [2019-10-13 20:23:26,983 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_tty_operations_1 [2019-10-13 20:23:26,983 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-13 20:23:26,983 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2019-10-13 20:23:26,984 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_2 [2019-10-13 20:23:26,984 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_get_intfdata_3 [2019-10-13 20:23:26,984 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_6 [2019-10-13 20:23:26,984 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_7 [2019-10-13 20:23:26,984 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_autopm_get_interface_8 [2019-10-13 20:23:26,984 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_9 [2019-10-13 20:23:26,984 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_autopm_put_interface_10 [2019-10-13 20:23:26,984 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_autopm_put_interface_11 [2019-10-13 20:23:26,985 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_put_intf_12 [2019-10-13 20:23:26,985 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_autopm_get_interface_13 [2019-10-13 20:23:26,985 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_autopm_put_interface_14 [2019-10-13 20:23:26,985 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_alloc_urb_15 [2019-10-13 20:23:26,985 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_alloc_urb_16 [2019-10-13 20:23:26,986 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_fill_int_urb_17 [2019-10-13 20:23:26,986 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_fill_bulk_urb_18 [2019-10-13 20:23:26,986 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_alloc_urb_19 [2019-10-13 20:23:26,986 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_set_intfdata_22 [2019-10-13 20:23:26,986 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_free_urb_26 [2019-10-13 20:23:26,987 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_free_urb_27 [2019-10-13 20:23:26,987 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_free_urb_28 [2019-10-13 20:23:26,987 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_free_urb_32 [2019-10-13 20:23:26,988 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_free_urb_33 [2019-10-13 20:23:26,988 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_free_urb_34 [2019-10-13 20:23:26,988 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_37 [2019-10-13 20:23:26,988 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_register_driver_39 [2019-10-13 20:23:26,988 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_deregister_40 [2019-10-13 20:23:26,989 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop___0 [2019-10-13 20:23:26,989 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_get_intfdata [2019-10-13 20:23:26,992 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_set_intfdata [2019-10-13 20:23:26,992 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_put_intf [2019-10-13 20:23:26,993 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_alloc_urb [2019-10-13 20:23:26,996 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_urb [2019-10-13 20:23:26,996 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_fill_int_urb [2019-10-13 20:23:26,996 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_fill_bulk_urb [2019-10-13 20:23:26,996 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_urb [2019-10-13 20:23:26,996 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_interface_to_usbdev [2019-10-13 20:23:26,996 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_get_dev [2019-10-13 20:23:26,996 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_put_dev [2019-10-13 20:23:27,002 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_get_interface [2019-10-13 20:23:27,002 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_put_interface [2019-10-13 20:23:27,002 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_serial_register [2019-10-13 20:23:27,002 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_serial_deregister [2019-10-13 20:23:27,003 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-10-13 20:23:27,003 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_dev_dbg [2019-10-13 20:23:27,003 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2019-10-13 20:23:27,003 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2019-10-13 20:23:27,003 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2019-10-13 20:23:27,003 INFO L138 BoogieDeclarations]: Found implementation of procedure __tty_alloc_driver [2019-10-13 20:23:27,003 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2019-10-13 20:23:27,004 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2019-10-13 20:23:27,004 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2019-10-13 20:23:27,004 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock [2019-10-13 20:23:27,004 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irq [2019-10-13 20:23:27,005 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2019-10-13 20:23:27,005 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock [2019-10-13 20:23:27,005 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irq [2019-10-13 20:23:27,005 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irqrestore [2019-10-13 20:23:27,005 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2019-10-13 20:23:27,006 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2019-10-13 20:23:27,006 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2019-10-13 20:23:27,006 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_warn [2019-10-13 20:23:27,006 INFO L138 BoogieDeclarations]: Found implementation of procedure device_create_file [2019-10-13 20:23:27,006 INFO L138 BoogieDeclarations]: Found implementation of procedure device_remove_file [2019-10-13 20:23:27,006 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-10-13 20:23:27,006 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2019-10-13 20:23:27,006 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2019-10-13 20:23:27,007 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2019-10-13 20:23:27,007 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2019-10-13 20:23:27,007 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2019-10-13 20:23:27,007 INFO L138 BoogieDeclarations]: Found implementation of procedure put_tty_driver [2019-10-13 20:23:27,007 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2019-10-13 20:23:27,007 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_flip_buffer_push [2019-10-13 20:23:27,007 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_insert_flip_string_fixed_flag [2019-10-13 20:23:27,007 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_kref_put [2019-10-13 20:23:27,008 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_port_close [2019-10-13 20:23:27,008 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_port_hangup [2019-10-13 20:23:27,008 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_port_init [2019-10-13 20:23:27,008 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_port_open [2019-10-13 20:23:27,008 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_port_put [2019-10-13 20:23:27,008 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_port_register_device [2019-10-13 20:23:27,008 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_port_tty_get [2019-10-13 20:23:27,008 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_port_tty_hangup [2019-10-13 20:23:27,009 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_port_tty_wakeup [2019-10-13 20:23:27,009 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_register_driver [2019-10-13 20:23:27,009 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_set_operations [2019-10-13 20:23:27,009 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_standard_install [2019-10-13 20:23:27,009 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_termios_baud_rate [2019-10-13 20:23:27,009 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_unregister_device [2019-10-13 20:23:27,009 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_unregister_driver [2019-10-13 20:23:27,009 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_vhangup [2019-10-13 20:23:27,010 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_coherent [2019-10-13 20:23:27,010 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_get_interface_async [2019-10-13 20:23:27,010 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_put_interface_async [2019-10-13 20:23:27,010 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2019-10-13 20:23:27,010 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_deregister [2019-10-13 20:23:27,010 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_driver_claim_interface [2019-10-13 20:23:27,010 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_driver_release_interface [2019-10-13 20:23:27,010 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_coherent [2019-10-13 20:23:27,011 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intf [2019-10-13 20:23:27,011 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_ifnum_to_if [2019-10-13 20:23:27,012 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2019-10-13 20:23:27,012 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register_driver [2019-10-13 20:23:27,013 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_fmt [2019-10-13 20:23:27,013 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2019-10-13 20:23:27,013 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-10-13 20:23:27,013 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-10-13 20:23:27,014 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-10-13 20:23:27,014 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-10-13 20:23:27,014 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-10-13 20:23:27,014 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-13 20:23:27,014 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2019-10-13 20:23:27,014 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-10-13 20:23:27,014 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-10-13 20:23:27,014 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2019-10-13 20:23:27,015 INFO L130 BoogieDeclarations]: Found specification of procedure __le16_to_cpup [2019-10-13 20:23:27,015 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-13 20:23:27,015 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_dir_in [2019-10-13 20:23:27,015 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_dir_out [2019-10-13 20:23:27,015 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_xfer_bulk [2019-10-13 20:23:27,015 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_xfer_int [2019-10-13 20:23:27,015 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_is_bulk_in [2019-10-13 20:23:27,015 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_is_bulk_out [2019-10-13 20:23:27,016 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_is_int_in [2019-10-13 20:23:27,016 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_maxp [2019-10-13 20:23:27,016 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2019-10-13 20:23:27,016 INFO L130 BoogieDeclarations]: Found specification of procedure __set_bit [2019-10-13 20:23:27,016 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_clear_bit [2019-10-13 20:23:27,016 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2019-10-13 20:23:27,016 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2019-10-13 20:23:27,016 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_dev_dbg [2019-10-13 20:23:27,017 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2019-10-13 20:23:27,017 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2019-10-13 20:23:27,017 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_fmt [2019-10-13 20:23:27,017 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2019-10-13 20:23:27,017 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2019-10-13 20:23:27,017 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2019-10-13 20:23:27,017 INFO L130 BoogieDeclarations]: Found specification of procedure __xadd_wrong_size [2019-10-13 20:23:27,018 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_add_return [2019-10-13 20:23:27,018 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2019-10-13 20:23:27,018 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-13 20:23:27,018 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2019-10-13 20:23:27,018 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2019-10-13 20:23:27,018 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock [2019-10-13 20:23:27,018 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irq [2019-10-13 20:23:27,019 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2019-10-13 20:23:27,019 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock [2019-10-13 20:23:27,019 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irq [2019-10-13 20:23:27,019 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore [2019-10-13 20:23:27,019 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2019-10-13 20:23:27,019 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2019-10-13 20:23:27,019 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2019-10-13 20:23:27,019 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2019-10-13 20:23:27,020 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2019-10-13 20:23:27,020 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2019-10-13 20:23:27,020 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2019-10-13 20:23:27,020 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2019-10-13 20:23:27,020 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2019-10-13 20:23:27,021 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work [2019-10-13 20:23:27,025 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2019-10-13 20:23:27,025 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2019-10-13 20:23:27,025 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2019-10-13 20:23:27,025 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2019-10-13 20:23:27,025 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2019-10-13 20:23:27,026 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2019-10-13 20:23:27,026 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2019-10-13 20:23:27,026 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-13 20:23:27,028 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2019-10-13 20:23:27,028 INFO L130 BoogieDeclarations]: Found specification of procedure kref_get [2019-10-13 20:23:27,028 INFO L130 BoogieDeclarations]: Found specification of procedure device_create_file [2019-10-13 20:23:27,028 INFO L130 BoogieDeclarations]: Found specification of procedure device_remove_file [2019-10-13 20:23:27,029 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2019-10-13 20:23:27,029 INFO L130 BoogieDeclarations]: Found specification of procedure dev_warn [2019-10-13 20:23:27,029 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2019-10-13 20:23:27,029 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2019-10-13 20:23:27,029 INFO L130 BoogieDeclarations]: Found specification of procedure pm_runtime_mark_last_busy [2019-10-13 20:23:27,029 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-13 20:23:27,029 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_get_intfdata_3 [2019-10-13 20:23:27,029 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_set_intfdata_22 [2019-10-13 20:23:27,030 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intf [2019-10-13 20:23:27,030 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_put_intf_12 [2019-10-13 20:23:27,031 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2019-10-13 20:23:27,031 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_autopm_get_interface_8 [2019-10-13 20:23:27,031 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_autopm_get_interface_13 [2019-10-13 20:23:27,031 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_autopm_put_interface_10 [2019-10-13 20:23:27,031 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_autopm_put_interface_11 [2019-10-13 20:23:27,031 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_autopm_put_interface_14 [2019-10-13 20:23:27,031 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_get_interface_async [2019-10-13 20:23:27,031 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_put_interface_async [2019-10-13 20:23:27,032 INFO L130 BoogieDeclarations]: Found specification of procedure usb_mark_last_busy [2019-10-13 20:23:27,032 INFO L130 BoogieDeclarations]: Found specification of procedure usb_driver_claim_interface [2019-10-13 20:23:27,032 INFO L130 BoogieDeclarations]: Found specification of procedure usb_interface_claimed [2019-10-13 20:23:27,032 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-13 20:23:27,032 INFO L130 BoogieDeclarations]: Found specification of procedure usb_driver_release_interface [2019-10-13 20:23:27,032 INFO L130 BoogieDeclarations]: Found specification of procedure usb_ifnum_to_if [2019-10-13 20:23:27,032 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register_driver [2019-10-13 20:23:27,032 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_register_driver_39 [2019-10-13 20:23:27,032 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister [2019-10-13 20:23:27,033 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_deregister_40 [2019-10-13 20:23:27,033 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_fill_bulk_urb_18 [2019-10-13 20:23:27,033 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_fill_int_urb_17 [2019-10-13 20:23:27,033 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_alloc_urb_15 [2019-10-13 20:23:27,033 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_alloc_urb_16 [2019-10-13 20:23:27,033 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_alloc_urb_19 [2019-10-13 20:23:27,033 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_free_urb_26 [2019-10-13 20:23:27,033 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_free_urb_27 [2019-10-13 20:23:27,033 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_free_urb_28 [2019-10-13 20:23:27,033 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_free_urb_32 [2019-10-13 20:23:27,034 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_free_urb_33 [2019-10-13 20:23:27,034 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_free_urb_34 [2019-10-13 20:23:27,034 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_2 [2019-10-13 20:23:27,034 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_6 [2019-10-13 20:23:27,034 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_7 [2019-10-13 20:23:27,034 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_9 [2019-10-13 20:23:27,035 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_37 [2019-10-13 20:23:27,035 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2019-10-13 20:23:27,035 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_coherent [2019-10-13 20:23:27,035 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_coherent [2019-10-13 20:23:27,035 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2019-10-13 20:23:27,035 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2019-10-13 20:23:27,035 INFO L130 BoogieDeclarations]: Found specification of procedure __tty_alloc_driver [2019-10-13 20:23:27,035 INFO L130 BoogieDeclarations]: Found specification of procedure put_tty_driver [2019-10-13 20:23:27,036 INFO L130 BoogieDeclarations]: Found specification of procedure tty_set_operations [2019-10-13 20:23:27,036 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_tty_driver [2019-10-13 20:23:27,036 INFO L130 BoogieDeclarations]: Found specification of procedure tty_kref_put [2019-10-13 20:23:27,036 INFO L130 BoogieDeclarations]: Found specification of procedure tty_register_driver [2019-10-13 20:23:27,036 INFO L130 BoogieDeclarations]: Found specification of procedure tty_unregister_driver [2019-10-13 20:23:27,036 INFO L130 BoogieDeclarations]: Found specification of procedure tty_unregister_device [2019-10-13 20:23:27,036 INFO L130 BoogieDeclarations]: Found specification of procedure tty_vhangup [2019-10-13 20:23:27,036 INFO L130 BoogieDeclarations]: Found specification of procedure tty_termios_baud_rate [2019-10-13 20:23:27,037 INFO L130 BoogieDeclarations]: Found specification of procedure tty_get_baud_rate [2019-10-13 20:23:27,037 INFO L130 BoogieDeclarations]: Found specification of procedure tty_standard_install [2019-10-13 20:23:27,037 INFO L130 BoogieDeclarations]: Found specification of procedure tty_port_init [2019-10-13 20:23:27,037 INFO L130 BoogieDeclarations]: Found specification of procedure tty_port_register_device [2019-10-13 20:23:27,037 INFO L130 BoogieDeclarations]: Found specification of procedure tty_port_put [2019-10-13 20:23:27,037 INFO L130 BoogieDeclarations]: Found specification of procedure tty_port_get [2019-10-13 20:23:27,037 INFO L130 BoogieDeclarations]: Found specification of procedure tty_port_tty_get [2019-10-13 20:23:27,037 INFO L130 BoogieDeclarations]: Found specification of procedure tty_port_hangup [2019-10-13 20:23:27,038 INFO L130 BoogieDeclarations]: Found specification of procedure tty_port_tty_hangup [2019-10-13 20:23:27,038 INFO L130 BoogieDeclarations]: Found specification of procedure tty_port_tty_wakeup [2019-10-13 20:23:27,038 INFO L130 BoogieDeclarations]: Found specification of procedure tty_port_close [2019-10-13 20:23:27,038 INFO L130 BoogieDeclarations]: Found specification of procedure tty_port_open [2019-10-13 20:23:27,038 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_alloc_urb [2019-10-13 20:23:27,038 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_urb [2019-10-13 20:23:27,038 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_fill_int_urb [2019-10-13 20:23:27,038 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_fill_bulk_urb [2019-10-13 20:23:27,038 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_urb [2019-10-13 20:23:27,039 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_interface_to_usbdev [2019-10-13 20:23:27,039 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_get_interface [2019-10-13 20:23:27,039 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_put_interface [2019-10-13 20:23:27,039 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_get_intfdata [2019-10-13 20:23:27,039 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_set_intfdata [2019-10-13 20:23:27,039 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_put_intf [2019-10-13 20:23:27,039 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-10-13 20:23:27,039 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-10-13 20:23:27,039 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2019-10-13 20:23:27,040 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2019-10-13 20:23:27,040 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2019-10-13 20:23:27,040 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-13 20:23:27,040 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-10-13 20:23:27,040 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-13 20:23:27,041 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2019-10-13 20:23:27,041 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-10-13 20:23:27,041 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-10-13 20:23:27,042 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-10-13 20:23:27,042 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-13 20:23:27,042 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-10-13 20:23:27,042 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-10-13 20:23:27,042 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2019-10-13 20:23:27,042 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ptr [2019-10-13 20:23:27,042 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2019-10-13 20:23:27,042 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2019-10-13 20:23:27,042 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2019-10-13 20:23:27,043 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2019-10-13 20:23:27,043 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_driver_2 [2019-10-13 20:23:27,043 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_tty_port_operations_3 [2019-10-13 20:23:27,043 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_tty_operations_1 [2019-10-13 20:23:27,043 INFO L130 BoogieDeclarations]: Found specification of procedure tty_insert_flip_string_fixed_flag [2019-10-13 20:23:27,043 INFO L130 BoogieDeclarations]: Found specification of procedure tty_flip_buffer_push [2019-10-13 20:23:27,043 INFO L130 BoogieDeclarations]: Found specification of procedure tty_insert_flip_string [2019-10-13 20:23:27,043 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_le16 [2019-10-13 20:23:27,043 INFO L130 BoogieDeclarations]: Found specification of procedure acm_get_by_index [2019-10-13 20:23:27,044 INFO L130 BoogieDeclarations]: Found specification of procedure acm_alloc_minor [2019-10-13 20:23:27,044 INFO L130 BoogieDeclarations]: Found specification of procedure acm_release_minor [2019-10-13 20:23:27,044 INFO L130 BoogieDeclarations]: Found specification of procedure acm_ctrl_msg [2019-10-13 20:23:27,044 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-13 20:23:27,044 INFO L130 BoogieDeclarations]: Found specification of procedure acm_wb_alloc [2019-10-13 20:23:27,044 INFO L130 BoogieDeclarations]: Found specification of procedure acm_wb_is_avail [2019-10-13 20:23:27,044 INFO L130 BoogieDeclarations]: Found specification of procedure acm_write_done [2019-10-13 20:23:27,044 INFO L130 BoogieDeclarations]: Found specification of procedure acm_start_wb [2019-10-13 20:23:27,045 INFO L130 BoogieDeclarations]: Found specification of procedure show_caps [2019-10-13 20:23:27,045 INFO L130 BoogieDeclarations]: Found specification of procedure show_country_codes [2019-10-13 20:23:27,046 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-10-13 20:23:27,046 INFO L130 BoogieDeclarations]: Found specification of procedure show_country_rel_date [2019-10-13 20:23:27,047 INFO L130 BoogieDeclarations]: Found specification of procedure acm_ctrl_irq [2019-10-13 20:23:27,047 INFO L130 BoogieDeclarations]: Found specification of procedure acm_submit_read_urb [2019-10-13 20:23:27,047 INFO L130 BoogieDeclarations]: Found specification of procedure acm_submit_read_urbs [2019-10-13 20:23:27,047 INFO L130 BoogieDeclarations]: Found specification of procedure acm_process_read_urb [2019-10-13 20:23:27,047 INFO L130 BoogieDeclarations]: Found specification of procedure acm_read_bulk_callback [2019-10-13 20:23:27,047 INFO L130 BoogieDeclarations]: Found specification of procedure acm_write_bulk [2019-10-13 20:23:27,047 INFO L130 BoogieDeclarations]: Found specification of procedure acm_softint [2019-10-13 20:23:27,047 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_install [2019-10-13 20:23:27,048 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_open [2019-10-13 20:23:27,048 INFO L130 BoogieDeclarations]: Found specification of procedure acm_port_activate [2019-10-13 20:23:27,048 INFO L130 BoogieDeclarations]: Found specification of procedure acm_port_destruct [2019-10-13 20:23:27,048 INFO L130 BoogieDeclarations]: Found specification of procedure acm_port_shutdown [2019-10-13 20:23:27,048 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_cleanup [2019-10-13 20:23:27,048 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_hangup [2019-10-13 20:23:27,048 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_close [2019-10-13 20:23:27,048 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_write [2019-10-13 20:23:27,048 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_write_room [2019-10-13 20:23:27,049 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_chars_in_buffer [2019-10-13 20:23:27,049 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_throttle [2019-10-13 20:23:27,049 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_unthrottle [2019-10-13 20:23:27,049 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_break_ctl [2019-10-13 20:23:27,049 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_tiocmget [2019-10-13 20:23:27,049 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_tiocmset [2019-10-13 20:23:27,049 INFO L130 BoogieDeclarations]: Found specification of procedure get_serial_info [2019-10-13 20:23:27,049 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-10-13 20:23:27,049 INFO L130 BoogieDeclarations]: Found specification of procedure set_serial_info [2019-10-13 20:23:27,050 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_ioctl [2019-10-13 20:23:27,050 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_set_termios [2019-10-13 20:23:27,050 INFO L130 BoogieDeclarations]: Found specification of procedure acm_write_buffers_free [2019-10-13 20:23:27,050 INFO L130 BoogieDeclarations]: Found specification of procedure acm_read_buffers_free [2019-10-13 20:23:27,050 INFO L130 BoogieDeclarations]: Found specification of procedure acm_write_buffers_alloc [2019-10-13 20:23:27,050 INFO L130 BoogieDeclarations]: Found specification of procedure acm_probe [2019-10-13 20:23:27,050 INFO L130 BoogieDeclarations]: Found specification of procedure stop_data_traffic [2019-10-13 20:23:27,050 INFO L130 BoogieDeclarations]: Found specification of procedure acm_disconnect [2019-10-13 20:23:27,050 INFO L130 BoogieDeclarations]: Found specification of procedure acm_suspend [2019-10-13 20:23:27,050 INFO L130 BoogieDeclarations]: Found specification of procedure acm_resume [2019-10-13 20:23:27,051 INFO L130 BoogieDeclarations]: Found specification of procedure acm_reset_resume [2019-10-13 20:23:27,051 INFO L130 BoogieDeclarations]: Found specification of procedure acm_init [2019-10-13 20:23:27,051 INFO L130 BoogieDeclarations]: Found specification of procedure acm_exit [2019-10-13 20:23:27,051 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-10-13 20:23:27,051 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-10-13 20:23:27,051 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-13 20:23:27,051 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop___0 [2019-10-13 20:23:27,051 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2019-10-13 20:23:27,052 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_get_dev [2019-10-13 20:23:27,052 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_put_dev [2019-10-13 20:23:27,052 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_serial_register [2019-10-13 20:23:27,052 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_serial_deregister [2019-10-13 20:23:27,052 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-10-13 20:23:27,052 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-10-13 20:23:27,052 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-13 20:23:27,052 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-13 20:23:27,052 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-13 20:23:27,053 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-10-13 20:23:27,053 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-13 20:23:27,053 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-10-13 20:23:27,053 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-10-13 20:23:27,053 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2019-10-13 20:23:27,053 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2019-10-13 20:23:28,537 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2019-10-13 20:23:38,666 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stop___0FINAL: assume true; [2019-10-13 20:23:45,365 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-13 20:23:45,365 INFO L284 CfgBuilder]: Removed 0 assume(true) statements. [2019-10-13 20:23:45,369 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 08:23:45 BoogieIcfgContainer [2019-10-13 20:23:45,369 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-13 20:23:45,372 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-13 20:23:45,372 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-13 20:23:45,376 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-13 20:23:45,377 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 08:23:23" (1/3) ... [2019-10-13 20:23:45,378 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45092900 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 08:23:45, skipping insertion in model container [2019-10-13 20:23:45,378 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:23:26" (2/3) ... [2019-10-13 20:23:45,379 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45092900 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 08:23:45, skipping insertion in model container [2019-10-13 20:23:45,379 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 08:23:45" (3/3) ... [2019-10-13 20:23:45,381 INFO L109 eAbstractionObserver]: Analyzing ICFG linux-3.12-rc1.tar.xz-144_2a-drivers--usb--class--cdc-acm.ko-entry_point.cil.out.i [2019-10-13 20:23:45,398 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-13 20:23:45,411 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-13 20:23:45,430 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-13 20:23:45,475 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-13 20:23:45,476 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-13 20:23:45,476 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-13 20:23:45,476 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-13 20:23:45,476 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-13 20:23:45,477 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-13 20:23:45,477 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-13 20:23:45,477 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-13 20:23:45,550 INFO L276 IsEmpty]: Start isEmpty. Operand 1930 states. [2019-10-13 20:23:45,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2019-10-13 20:23:45,576 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 20:23:45,577 INFO L380 BasicCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:23:45,581 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 20:23:45,589 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 20:23:45,590 INFO L82 PathProgramCache]: Analyzing trace with hash -805921336, now seen corresponding path program 1 times [2019-10-13 20:23:45,682 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 20:23:45,683 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2077812635] [2019-10-13 20:23:45,683 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:23:45,684 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:23:45,684 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 20:23:46,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 20:23:47,376 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2019-10-13 20:23:47,377 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2077812635] [2019-10-13 20:23:47,378 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 20:23:47,378 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 20:23:47,379 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1328955286] [2019-10-13 20:23:47,384 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 20:23:47,385 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 20:23:47,401 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 20:23:47,402 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 20:23:47,404 INFO L87 Difference]: Start difference. First operand 1930 states. Second operand 3 states. [2019-10-13 20:23:50,855 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 20:23:50,855 INFO L93 Difference]: Finished difference Result 5551 states and 7406 transitions. [2019-10-13 20:23:50,856 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 20:23:50,857 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 133 [2019-10-13 20:23:50,858 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 20:23:50,927 INFO L225 Difference]: With dead ends: 5551 [2019-10-13 20:23:50,927 INFO L226 Difference]: Without dead ends: 3644 [2019-10-13 20:23:50,945 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 20:23:50,975 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3644 states. [2019-10-13 20:23:51,235 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3644 to 3641. [2019-10-13 20:23:51,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3641 states. [2019-10-13 20:23:51,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3641 states to 3641 states and 4792 transitions. [2019-10-13 20:23:51,263 INFO L78 Accepts]: Start accepts. Automaton has 3641 states and 4792 transitions. Word has length 133 [2019-10-13 20:23:51,264 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 20:23:51,264 INFO L462 AbstractCegarLoop]: Abstraction has 3641 states and 4792 transitions. [2019-10-13 20:23:51,265 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 20:23:51,265 INFO L276 IsEmpty]: Start isEmpty. Operand 3641 states and 4792 transitions. [2019-10-13 20:23:51,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2019-10-13 20:23:51,273 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 20:23:51,274 INFO L380 BasicCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:23:51,274 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 20:23:51,275 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 20:23:51,275 INFO L82 PathProgramCache]: Analyzing trace with hash -91901269, now seen corresponding path program 1 times [2019-10-13 20:23:51,275 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 20:23:51,275 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1927595231] [2019-10-13 20:23:51,275 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:23:51,276 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:23:51,276 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 20:23:51,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 20:23:51,931 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2019-10-13 20:23:51,931 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1927595231] [2019-10-13 20:23:51,932 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 20:23:51,932 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 20:23:51,933 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1951880415] [2019-10-13 20:23:51,935 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 20:23:51,936 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 20:23:51,936 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 20:23:51,936 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 20:23:51,936 INFO L87 Difference]: Start difference. First operand 3641 states and 4792 transitions. Second operand 3 states. [2019-10-13 20:23:52,313 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 20:23:52,317 INFO L93 Difference]: Finished difference Result 10844 states and 14527 transitions. [2019-10-13 20:23:52,317 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 20:23:52,317 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 146 [2019-10-13 20:23:52,320 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 20:23:52,397 INFO L225 Difference]: With dead ends: 10844 [2019-10-13 20:23:52,397 INFO L226 Difference]: Without dead ends: 7242 [2019-10-13 20:23:52,422 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 20:23:52,437 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7242 states. [2019-10-13 20:23:53,772 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7242 to 7231. [2019-10-13 20:23:53,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7231 states. [2019-10-13 20:23:53,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7231 states to 7231 states and 9617 transitions. [2019-10-13 20:23:53,833 INFO L78 Accepts]: Start accepts. Automaton has 7231 states and 9617 transitions. Word has length 146 [2019-10-13 20:23:53,835 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 20:23:53,836 INFO L462 AbstractCegarLoop]: Abstraction has 7231 states and 9617 transitions. [2019-10-13 20:23:53,836 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 20:23:53,836 INFO L276 IsEmpty]: Start isEmpty. Operand 7231 states and 9617 transitions. [2019-10-13 20:23:53,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2019-10-13 20:23:53,844 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 20:23:53,844 INFO L380 BasicCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:23:53,844 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 20:23:53,845 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 20:23:53,845 INFO L82 PathProgramCache]: Analyzing trace with hash 1445130587, now seen corresponding path program 1 times [2019-10-13 20:23:53,845 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 20:23:53,845 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1097321618] [2019-10-13 20:23:53,846 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:23:53,846 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:23:53,846 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 20:23:54,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 20:23:54,690 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2019-10-13 20:23:54,690 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1097321618] [2019-10-13 20:23:54,691 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 20:23:54,691 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 20:23:54,691 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2079310850] [2019-10-13 20:23:54,692 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 20:23:54,692 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 20:23:54,692 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 20:23:54,692 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 20:23:54,693 INFO L87 Difference]: Start difference. First operand 7231 states and 9617 transitions. Second operand 3 states. [2019-10-13 20:23:54,931 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 20:23:54,932 INFO L93 Difference]: Finished difference Result 7233 states and 9618 transitions. [2019-10-13 20:23:54,932 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 20:23:54,932 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 147 [2019-10-13 20:23:54,934 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 20:23:54,983 INFO L225 Difference]: With dead ends: 7233 [2019-10-13 20:23:54,983 INFO L226 Difference]: Without dead ends: 7230 [2019-10-13 20:23:54,990 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 20:23:55,002 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7230 states. [2019-10-13 20:23:55,361 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7230 to 7230. [2019-10-13 20:23:55,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7230 states. [2019-10-13 20:23:55,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7230 states to 7230 states and 9615 transitions. [2019-10-13 20:23:55,399 INFO L78 Accepts]: Start accepts. Automaton has 7230 states and 9615 transitions. Word has length 147 [2019-10-13 20:23:55,401 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 20:23:55,401 INFO L462 AbstractCegarLoop]: Abstraction has 7230 states and 9615 transitions. [2019-10-13 20:23:55,401 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 20:23:55,401 INFO L276 IsEmpty]: Start isEmpty. Operand 7230 states and 9615 transitions. [2019-10-13 20:23:55,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2019-10-13 20:23:55,410 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 20:23:55,410 INFO L380 BasicCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:23:55,410 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 20:23:55,411 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 20:23:55,411 INFO L82 PathProgramCache]: Analyzing trace with hash 1848482734, now seen corresponding path program 1 times [2019-10-13 20:23:55,412 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 20:23:55,412 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1039960260] [2019-10-13 20:23:55,412 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:23:55,412 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:23:55,412 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 20:23:55,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 20:23:56,211 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2019-10-13 20:23:56,212 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1039960260] [2019-10-13 20:23:56,212 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 20:23:56,212 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 20:23:56,212 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1292774689] [2019-10-13 20:23:56,213 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 20:23:56,213 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 20:23:56,213 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 20:23:56,214 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 20:23:56,214 INFO L87 Difference]: Start difference. First operand 7230 states and 9615 transitions. Second operand 3 states.