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-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--usb--serial--sierra.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f4eb214f-m [2019-10-13 20:35:18,459 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-13 20:35:18,463 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-13 20:35:18,482 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-13 20:35:18,482 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-13 20:35:18,485 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-13 20:35:18,487 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-13 20:35:18,497 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-13 20:35:18,501 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-13 20:35:18,505 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-13 20:35:18,506 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-13 20:35:18,508 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-13 20:35:18,508 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-13 20:35:18,510 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-13 20:35:18,513 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-13 20:35:18,514 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-13 20:35:18,516 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-13 20:35:18,518 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-13 20:35:18,519 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-13 20:35:18,524 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-13 20:35:18,529 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-13 20:35:18,532 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-13 20:35:18,535 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-13 20:35:18,535 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-13 20:35:18,538 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-13 20:35:18,538 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-13 20:35:18,538 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-13 20:35:18,540 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-13 20:35:18,541 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-13 20:35:18,542 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-13 20:35:18,543 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-13 20:35:18,544 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-13 20:35:18,545 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-13 20:35:18,546 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-13 20:35:18,547 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-13 20:35:18,548 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-13 20:35:18,548 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-13 20:35:18,549 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-13 20:35:18,549 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-13 20:35:18,550 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-13 20:35:18,551 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-13 20:35:18,552 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 20:35:18,586 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-13 20:35:18,587 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-13 20:35:18,588 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-13 20:35:18,588 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-13 20:35:18,588 INFO L138 SettingsManager]: * Use SBE=true [2019-10-13 20:35:18,589 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-13 20:35:18,589 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-13 20:35:18,589 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-13 20:35:18,589 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-13 20:35:18,590 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-13 20:35:18,590 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-13 20:35:18,590 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-13 20:35:18,590 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-13 20:35:18,590 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-13 20:35:18,591 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-13 20:35:18,591 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-13 20:35:18,591 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-13 20:35:18,591 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-13 20:35:18,591 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-13 20:35:18,592 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-13 20:35:18,592 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-13 20:35:18,592 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 20:35:18,592 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-13 20:35:18,592 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-13 20:35:18,593 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-13 20:35:18,594 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-13 20:35:18,595 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-13 20:35:18,595 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-13 20:35:18,595 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 20:35:18,889 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-13 20:35:18,908 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-13 20:35:18,912 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-13 20:35:18,914 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-13 20:35:18,914 INFO L275 PluginConnector]: CDTParser initialized [2019-10-13 20:35:18,915 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--usb--serial--sierra.ko-entry_point.cil.out.i [2019-10-13 20:35:18,996 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/002d98a50/01e5f4956d7e4d3ebecf90848b68ca93/FLAG74940aba8 [2019-10-13 20:35:19,834 INFO L306 CDTParser]: Found 1 translation units. [2019-10-13 20:35:19,835 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--usb--serial--sierra.ko-entry_point.cil.out.i [2019-10-13 20:35:19,869 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/002d98a50/01e5f4956d7e4d3ebecf90848b68ca93/FLAG74940aba8 [2019-10-13 20:35:20,308 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/002d98a50/01e5f4956d7e4d3ebecf90848b68ca93 [2019-10-13 20:35:20,319 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-13 20:35:20,321 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-13 20:35:20,322 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-13 20:35:20,322 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-13 20:35:20,327 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-13 20:35:20,329 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 08:35:20" (1/1) ... [2019-10-13 20:35:20,332 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4df9b0e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:35:20, skipping insertion in model container [2019-10-13 20:35:20,332 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 08:35:20" (1/1) ... [2019-10-13 20:35:20,338 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-13 20:35:20,457 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-13 20:35:21,062 WARN L1068 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [3835] [2019-10-13 20:35:21,063 WARN L1068 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [3836-3837] [2019-10-13 20:35:22,292 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 20:35:22,372 INFO L188 MainTranslator]: Completed pre-run [2019-10-13 20:35:22,468 WARN L1068 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [3835] [2019-10-13 20:35:22,469 WARN L1068 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [3836-3837] [2019-10-13 20:35:22,697 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 20:35:22,947 INFO L192 MainTranslator]: Completed translation [2019-10-13 20:35:22,948 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:35:22 WrapperNode [2019-10-13 20:35:22,948 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-13 20:35:22,949 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-13 20:35:22,949 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-13 20:35:22,949 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-13 20:35:22,962 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:35:22" (1/1) ... [2019-10-13 20:35:22,962 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:35:22" (1/1) ... [2019-10-13 20:35:23,049 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:35:22" (1/1) ... [2019-10-13 20:35:23,049 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:35:22" (1/1) ... [2019-10-13 20:35:23,166 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:35:22" (1/1) ... [2019-10-13 20:35:23,193 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:35:22" (1/1) ... [2019-10-13 20:35:23,225 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:35:22" (1/1) ... [2019-10-13 20:35:23,256 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-13 20:35:23,256 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-13 20:35:23,257 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-13 20:35:23,257 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-13 20:35:23,258 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:35:22" (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 20:35:23,330 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-13 20:35:23,332 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-13 20:35:23,332 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2019-10-13 20:35:23,332 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2019-10-13 20:35:23,333 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2019-10-13 20:35:23,335 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_1 [2019-10-13 20:35:23,335 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_irq_4 [2019-10-13 20:35:23,335 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_5 [2019-10-13 20:35:23,336 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irq_7 [2019-10-13 20:35:23,337 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_8 [2019-10-13 20:35:23,337 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2019-10-13 20:35:23,338 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kmalloc_12 [2019-10-13 20:35:23,343 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-10-13 20:35:23,343 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-10-13 20:35:23,343 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2019-10-13 20:35:23,344 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ptr [2019-10-13 20:35:23,344 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2019-10-13 20:35:23,344 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2019-10-13 20:35:23,344 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2019-10-13 20:35:23,345 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2019-10-13 20:35:23,345 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2019-10-13 20:35:23,345 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_insert_flip_string [2019-10-13 20:35:23,345 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2019-10-13 20:35:23,345 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2019-10-13 20:35:23,346 INFO L138 BoogieDeclarations]: Found implementation of procedure pm_runtime_mark_last_busy [2019-10-13 20:35:23,346 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_mark_last_busy [2019-10-13 20:35:23,346 INFO L138 BoogieDeclarations]: Found implementation of procedure init_usb_anchor [2019-10-13 20:35:23,346 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_bulk_urb [2019-10-13 20:35:23,346 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2019-10-13 20:35:23,347 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_serial_port_data [2019-10-13 20:35:23,347 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_serial_port_data [2019-10-13 20:35:23,347 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_serial_data [2019-10-13 20:35:23,347 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_serial_data [2019-10-13 20:35:23,347 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_debug_data [2019-10-13 20:35:23,347 INFO L138 BoogieDeclarations]: Found implementation of procedure sierra_set_power_state [2019-10-13 20:35:23,348 INFO L138 BoogieDeclarations]: Found implementation of procedure sierra_vsc_set_nmea [2019-10-13 20:35:23,348 INFO L138 BoogieDeclarations]: Found implementation of procedure sierra_calc_num_ports [2019-10-13 20:35:23,348 INFO L138 BoogieDeclarations]: Found implementation of procedure is_blacklisted [2019-10-13 20:35:23,348 INFO L138 BoogieDeclarations]: Found implementation of procedure is_himemory [2019-10-13 20:35:23,348 INFO L138 BoogieDeclarations]: Found implementation of procedure sierra_calc_interface [2019-10-13 20:35:23,348 INFO L138 BoogieDeclarations]: Found implementation of procedure sierra_probe [2019-10-13 20:35:23,349 INFO L138 BoogieDeclarations]: Found implementation of procedure sierra_send_setup [2019-10-13 20:35:23,349 INFO L138 BoogieDeclarations]: Found implementation of procedure sierra_tiocmget [2019-10-13 20:35:23,349 INFO L138 BoogieDeclarations]: Found implementation of procedure sierra_tiocmset [2019-10-13 20:35:23,349 INFO L138 BoogieDeclarations]: Found implementation of procedure sierra_release_urb [2019-10-13 20:35:23,349 INFO L138 BoogieDeclarations]: Found implementation of procedure sierra_outdat_callback [2019-10-13 20:35:23,350 INFO L138 BoogieDeclarations]: Found implementation of procedure sierra_write [2019-10-13 20:35:23,350 INFO L138 BoogieDeclarations]: Found implementation of procedure sierra_indat_callback [2019-10-13 20:35:23,350 INFO L138 BoogieDeclarations]: Found implementation of procedure sierra_instat_callback [2019-10-13 20:35:23,350 INFO L138 BoogieDeclarations]: Found implementation of procedure sierra_write_room [2019-10-13 20:35:23,350 INFO L138 BoogieDeclarations]: Found implementation of procedure sierra_chars_in_buffer [2019-10-13 20:35:23,350 INFO L138 BoogieDeclarations]: Found implementation of procedure sierra_stop_rx_urbs [2019-10-13 20:35:23,351 INFO L138 BoogieDeclarations]: Found implementation of procedure sierra_submit_rx_urbs [2019-10-13 20:35:23,351 INFO L138 BoogieDeclarations]: Found implementation of procedure sierra_setup_urb [2019-10-13 20:35:23,351 INFO L138 BoogieDeclarations]: Found implementation of procedure sierra_close [2019-10-13 20:35:23,351 INFO L138 BoogieDeclarations]: Found implementation of procedure sierra_open [2019-10-13 20:35:23,351 INFO L138 BoogieDeclarations]: Found implementation of procedure sierra_dtr_rts [2019-10-13 20:35:23,352 INFO L138 BoogieDeclarations]: Found implementation of procedure sierra_startup [2019-10-13 20:35:23,352 INFO L138 BoogieDeclarations]: Found implementation of procedure sierra_release [2019-10-13 20:35:23,354 INFO L138 BoogieDeclarations]: Found implementation of procedure sierra_port_probe [2019-10-13 20:35:23,354 INFO L138 BoogieDeclarations]: Found implementation of procedure sierra_port_remove [2019-10-13 20:35:23,354 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_read_write_urbs [2019-10-13 20:35:23,354 INFO L138 BoogieDeclarations]: Found implementation of procedure sierra_suspend [2019-10-13 20:35:23,355 INFO L138 BoogieDeclarations]: Found implementation of procedure sierra_submit_delayed_urbs [2019-10-13 20:35:23,355 INFO L138 BoogieDeclarations]: Found implementation of procedure sierra_resume [2019-10-13 20:35:23,355 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_module_init [2019-10-13 20:35:23,355 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_module_exit [2019-10-13 20:35:23,355 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_usb_serial_driver_1 [2019-10-13 20:35:23,355 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-13 20:35:23,356 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2019-10-13 20:35:23,357 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2019-10-13 20:35:23,357 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2019-10-13 20:35:23,357 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2019-10-13 20:35:23,357 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2019-10-13 20:35:23,357 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2019-10-13 20:35:23,358 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kmem_cache_alloc_16 [2019-10-13 20:35:23,358 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2019-10-13 20:35:23,359 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_alloc_urb_19 [2019-10-13 20:35:23,359 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_20 [2019-10-13 20:35:23,359 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_21 [2019-10-13 20:35:23,359 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_22 [2019-10-13 20:35:23,360 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_23 [2019-10-13 20:35:23,360 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_24 [2019-10-13 20:35:23,361 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_alloc_urb_25 [2019-10-13 20:35:23,361 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_26 [2019-10-13 20:35:23,361 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2019-10-13 20:35:23,361 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags_and_return_some_page [2019-10-13 20:35:23,362 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_nonatomic [2019-10-13 20:35:23,362 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2019-10-13 20:35:23,362 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2019-10-13 20:35:23,362 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock [2019-10-13 20:35:23,362 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_dev_dbg [2019-10-13 20:35:23,362 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2019-10-13 20:35:23,362 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2019-10-13 20:35:23,363 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock [2019-10-13 20:35:23,363 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irq [2019-10-13 20:35:23,363 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock [2019-10-13 20:35:23,363 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irq [2019-10-13 20:35:23,363 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irqrestore [2019-10-13 20:35:23,363 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2019-10-13 20:35:23,364 INFO L138 BoogieDeclarations]: Found implementation of procedure kmem_cache_alloc [2019-10-13 20:35:23,364 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-10-13 20:35:23,364 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_detach_1 [2019-10-13 20:35:23,364 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-10-13 20:35:23,365 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_some_page [2019-10-13 20:35:23,365 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_flip_buffer_push [2019-10-13 20:35:23,365 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_insert_flip_string_fixed_flag [2019-10-13 20:35:23,365 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_port_tty_hangup [2019-10-13 20:35:23,365 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2019-10-13 20:35:23,365 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_anchor_urb [2019-10-13 20:35:23,365 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_get_interface [2019-10-13 20:35:23,366 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_get_interface_async [2019-10-13 20:35:23,366 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_get_interface_no_resume [2019-10-13 20:35:23,366 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_put_interface [2019-10-13 20:35:23,366 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_put_interface_async [2019-10-13 20:35:23,367 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_clear_halt [2019-10-13 20:35:23,367 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2019-10-13 20:35:23,367 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2019-10-13 20:35:23,367 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_from_anchor [2019-10-13 20:35:23,367 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_anchored_urbs [2019-10-13 20:35:23,368 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2019-10-13 20:35:23,369 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_deregister_drivers [2019-10-13 20:35:23,369 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_port_softint [2019-10-13 20:35:23,369 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_register_drivers [2019-10-13 20:35:23,369 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_interface [2019-10-13 20:35:23,372 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2019-10-13 20:35:23,372 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_unanchor_urb [2019-10-13 20:35:23,373 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-10-13 20:35:23,373 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-10-13 20:35:23,373 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-10-13 20:35:23,373 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-10-13 20:35:23,373 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-10-13 20:35:23,374 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-13 20:35:23,377 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2019-10-13 20:35:23,378 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2019-10-13 20:35:23,378 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2019-10-13 20:35:23,379 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2019-10-13 20:35:23,379 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-13 20:35:23,379 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_dev_dbg [2019-10-13 20:35:23,380 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2019-10-13 20:35:23,385 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-13 20:35:23,385 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-10-13 20:35:23,386 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2019-10-13 20:35:23,386 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock [2019-10-13 20:35:23,386 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irq [2019-10-13 20:35:23,386 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock [2019-10-13 20:35:23,387 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irq [2019-10-13 20:35:23,387 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore [2019-10-13 20:35:23,387 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2019-10-13 20:35:23,387 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_1 [2019-10-13 20:35:23,387 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2019-10-13 20:35:23,387 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_irq_4 [2019-10-13 20:35:23,388 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2019-10-13 20:35:23,388 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_5 [2019-10-13 20:35:23,388 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2019-10-13 20:35:23,388 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irq_7 [2019-10-13 20:35:23,388 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2019-10-13 20:35:23,388 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_8 [2019-10-13 20:35:23,388 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2019-10-13 20:35:23,388 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2019-10-13 20:35:23,388 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-10-13 20:35:23,389 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-10-13 20:35:23,389 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2019-10-13 20:35:23,389 INFO L130 BoogieDeclarations]: Found specification of procedure kmem_cache_alloc [2019-10-13 20:35:23,389 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kmem_cache_alloc_16 [2019-10-13 20:35:23,389 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kmalloc_12 [2019-10-13 20:35:23,389 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2019-10-13 20:35:23,389 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2019-10-13 20:35:23,389 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2019-10-13 20:35:23,390 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-13 20:35:23,390 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-10-13 20:35:23,390 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-13 20:35:23,390 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2019-10-13 20:35:23,390 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-10-13 20:35:23,390 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-10-13 20:35:23,390 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-10-13 20:35:23,390 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-13 20:35:23,391 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-10-13 20:35:23,391 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-10-13 20:35:23,391 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2019-10-13 20:35:23,391 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ptr [2019-10-13 20:35:23,391 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2019-10-13 20:35:23,391 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2019-10-13 20:35:23,391 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2019-10-13 20:35:23,391 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2019-10-13 20:35:23,392 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_usb_serial_driver_1 [2019-10-13 20:35:23,392 INFO L130 BoogieDeclarations]: Found specification of procedure tty_port_tty_hangup [2019-10-13 20:35:23,392 INFO L130 BoogieDeclarations]: Found specification of procedure tty_insert_flip_string_fixed_flag [2019-10-13 20:35:23,392 INFO L130 BoogieDeclarations]: Found specification of procedure tty_flip_buffer_push [2019-10-13 20:35:23,392 INFO L130 BoogieDeclarations]: Found specification of procedure tty_insert_flip_string [2019-10-13 20:35:23,392 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2019-10-13 20:35:23,392 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-13 20:35:23,392 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2019-10-13 20:35:23,393 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2019-10-13 20:35:23,393 INFO L130 BoogieDeclarations]: Found specification of procedure pm_runtime_mark_last_busy [2019-10-13 20:35:23,393 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-13 20:35:23,393 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_get_interface [2019-10-13 20:35:23,393 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_put_interface [2019-10-13 20:35:23,393 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_get_interface_async [2019-10-13 20:35:23,393 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_put_interface_async [2019-10-13 20:35:23,393 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_get_interface_no_resume [2019-10-13 20:35:23,393 INFO L130 BoogieDeclarations]: Found specification of procedure usb_mark_last_busy [2019-10-13 20:35:23,394 INFO L130 BoogieDeclarations]: Found specification of procedure init_usb_anchor [2019-10-13 20:35:23,394 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-13 20:35:23,394 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-10-13 20:35:23,394 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-13 20:35:23,394 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_bulk_urb [2019-10-13 20:35:23,394 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2019-10-13 20:35:23,394 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_alloc_urb_19 [2019-10-13 20:35:23,394 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_alloc_urb_25 [2019-10-13 20:35:23,395 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2019-10-13 20:35:23,395 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2019-10-13 20:35:23,395 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_20 [2019-10-13 20:35:23,395 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_21 [2019-10-13 20:35:23,395 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_22 [2019-10-13 20:35:23,395 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_23 [2019-10-13 20:35:23,395 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_24 [2019-10-13 20:35:23,395 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_26 [2019-10-13 20:35:23,396 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2019-10-13 20:35:23,396 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_anchored_urbs [2019-10-13 20:35:23,396 INFO L130 BoogieDeclarations]: Found specification of procedure usb_anchor_urb [2019-10-13 20:35:23,396 INFO L130 BoogieDeclarations]: Found specification of procedure usb_unanchor_urb [2019-10-13 20:35:23,396 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_from_anchor [2019-10-13 20:35:23,396 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2019-10-13 20:35:23,396 INFO L130 BoogieDeclarations]: Found specification of procedure usb_clear_halt [2019-10-13 20:35:23,396 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_interface [2019-10-13 20:35:23,397 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2019-10-13 20:35:23,397 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_serial_port_data [2019-10-13 20:35:23,397 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_serial_port_data [2019-10-13 20:35:23,397 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_serial_data [2019-10-13 20:35:23,397 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_serial_data [2019-10-13 20:35:23,397 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_register_drivers [2019-10-13 20:35:23,397 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_deregister_drivers [2019-10-13 20:35:23,397 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_port_softint [2019-10-13 20:35:23,398 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_debug_data [2019-10-13 20:35:23,398 INFO L130 BoogieDeclarations]: Found specification of procedure sierra_set_power_state [2019-10-13 20:35:23,398 INFO L130 BoogieDeclarations]: Found specification of procedure sierra_vsc_set_nmea [2019-10-13 20:35:23,398 INFO L130 BoogieDeclarations]: Found specification of procedure sierra_calc_num_ports [2019-10-13 20:35:23,398 INFO L130 BoogieDeclarations]: Found specification of procedure is_blacklisted [2019-10-13 20:35:23,398 INFO L130 BoogieDeclarations]: Found specification of procedure is_himemory [2019-10-13 20:35:23,398 INFO L130 BoogieDeclarations]: Found specification of procedure sierra_calc_interface [2019-10-13 20:35:23,398 INFO L130 BoogieDeclarations]: Found specification of procedure sierra_probe [2019-10-13 20:35:23,398 INFO L130 BoogieDeclarations]: Found specification of procedure sierra_send_setup [2019-10-13 20:35:23,399 INFO L130 BoogieDeclarations]: Found specification of procedure sierra_tiocmget [2019-10-13 20:35:23,399 INFO L130 BoogieDeclarations]: Found specification of procedure sierra_tiocmset [2019-10-13 20:35:23,399 INFO L130 BoogieDeclarations]: Found specification of procedure sierra_release_urb [2019-10-13 20:35:23,399 INFO L130 BoogieDeclarations]: Found specification of procedure sierra_outdat_callback [2019-10-13 20:35:23,399 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-10-13 20:35:23,399 INFO L130 BoogieDeclarations]: Found specification of procedure sierra_write [2019-10-13 20:35:23,399 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-10-13 20:35:23,399 INFO L130 BoogieDeclarations]: Found specification of procedure sierra_indat_callback [2019-10-13 20:35:23,400 INFO L130 BoogieDeclarations]: Found specification of procedure sierra_instat_callback [2019-10-13 20:35:23,400 INFO L130 BoogieDeclarations]: Found specification of procedure sierra_write_room [2019-10-13 20:35:23,400 INFO L130 BoogieDeclarations]: Found specification of procedure sierra_chars_in_buffer [2019-10-13 20:35:23,400 INFO L130 BoogieDeclarations]: Found specification of procedure sierra_stop_rx_urbs [2019-10-13 20:35:23,400 INFO L130 BoogieDeclarations]: Found specification of procedure sierra_submit_rx_urbs [2019-10-13 20:35:23,400 INFO L130 BoogieDeclarations]: Found specification of procedure sierra_setup_urb [2019-10-13 20:35:23,400 INFO L130 BoogieDeclarations]: Found specification of procedure sierra_close [2019-10-13 20:35:23,400 INFO L130 BoogieDeclarations]: Found specification of procedure sierra_open [2019-10-13 20:35:23,402 INFO L130 BoogieDeclarations]: Found specification of procedure sierra_dtr_rts [2019-10-13 20:35:23,405 INFO L130 BoogieDeclarations]: Found specification of procedure sierra_startup [2019-10-13 20:35:23,405 INFO L130 BoogieDeclarations]: Found specification of procedure sierra_release [2019-10-13 20:35:23,405 INFO L130 BoogieDeclarations]: Found specification of procedure sierra_port_probe [2019-10-13 20:35:23,406 INFO L130 BoogieDeclarations]: Found specification of procedure sierra_port_remove [2019-10-13 20:35:23,406 INFO L130 BoogieDeclarations]: Found specification of procedure stop_read_write_urbs [2019-10-13 20:35:23,406 INFO L130 BoogieDeclarations]: Found specification of procedure sierra_suspend [2019-10-13 20:35:23,406 INFO L130 BoogieDeclarations]: Found specification of procedure sierra_submit_delayed_urbs [2019-10-13 20:35:23,406 INFO L130 BoogieDeclarations]: Found specification of procedure sierra_resume [2019-10-13 20:35:23,409 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_module_init [2019-10-13 20:35:23,409 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_module_exit [2019-10-13 20:35:23,409 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_detach_1 [2019-10-13 20:35:23,410 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-10-13 20:35:23,410 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-10-13 20:35:23,410 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-13 20:35:23,410 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_some_page [2019-10-13 20:35:23,410 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags_and_return_some_page [2019-10-13 20:35:23,411 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_nonatomic [2019-10-13 20:35:23,411 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock [2019-10-13 20:35:23,411 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-10-13 20:35:23,411 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-13 20:35:23,411 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-13 20:35:23,411 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-13 20:35:23,411 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-10-13 20:35:23,411 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-13 20:35:23,412 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-10-13 20:35:23,412 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-10-13 20:35:23,412 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2019-10-13 20:35:23,412 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2019-10-13 20:35:24,439 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2019-10-13 20:35:33,006 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-13 20:35:33,006 INFO L284 CfgBuilder]: Removed 0 assume(true) statements. [2019-10-13 20:35:33,008 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 08:35:33 BoogieIcfgContainer [2019-10-13 20:35:33,009 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-13 20:35:33,012 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-13 20:35:33,012 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-13 20:35:33,015 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-13 20:35:33,016 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 08:35:20" (1/3) ... [2019-10-13 20:35:33,017 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@695f9a46 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 08:35:33, skipping insertion in model container [2019-10-13 20:35:33,017 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:35:22" (2/3) ... [2019-10-13 20:35:33,017 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@695f9a46 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 08:35:33, skipping insertion in model container [2019-10-13 20:35:33,017 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 08:35:33" (3/3) ... [2019-10-13 20:35:33,019 INFO L109 eAbstractionObserver]: Analyzing ICFG 43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--usb--serial--sierra.ko-entry_point.cil.out.i [2019-10-13 20:35:33,029 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-13 20:35:33,044 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-13 20:35:33,056 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-13 20:35:33,103 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-13 20:35:33,103 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-13 20:35:33,103 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-13 20:35:33,103 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-13 20:35:33,103 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-13 20:35:33,104 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-13 20:35:33,104 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-13 20:35:33,104 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-13 20:35:33,157 INFO L276 IsEmpty]: Start isEmpty. Operand 1179 states. [2019-10-13 20:35:33,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2019-10-13 20:35:33,168 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 20:35:33,171 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:35:33,176 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 20:35:33,182 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 20:35:33,182 INFO L82 PathProgramCache]: Analyzing trace with hash -530251379, now seen corresponding path program 1 times [2019-10-13 20:35:33,192 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 20:35:33,192 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1467913815] [2019-10-13 20:35:33,193 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:35:33,193 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:35:33,193 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 20:35:33,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 20:35:34,182 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2019-10-13 20:35:34,183 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1467913815] [2019-10-13 20:35:34,184 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 20:35:34,185 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 20:35:34,185 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1801834970] [2019-10-13 20:35:34,190 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 20:35:34,192 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 20:35:34,209 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 20:35:34,210 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 20:35:34,213 INFO L87 Difference]: Start difference. First operand 1179 states. Second operand 3 states. [2019-10-13 20:35:35,282 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 20:35:35,282 INFO L93 Difference]: Finished difference Result 2266 states and 3081 transitions. [2019-10-13 20:35:35,283 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 20:35:35,284 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 49 [2019-10-13 20:35:35,285 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 20:35:35,324 INFO L225 Difference]: With dead ends: 2266 [2019-10-13 20:35:35,324 INFO L226 Difference]: Without dead ends: 1130 [2019-10-13 20:35:35,336 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 20:35:35,358 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1130 states. [2019-10-13 20:35:35,478 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1130 to 1130. [2019-10-13 20:35:35,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1130 states. [2019-10-13 20:35:35,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1130 states to 1130 states and 1516 transitions. [2019-10-13 20:35:35,491 INFO L78 Accepts]: Start accepts. Automaton has 1130 states and 1516 transitions. Word has length 49 [2019-10-13 20:35:35,492 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 20:35:35,492 INFO L462 AbstractCegarLoop]: Abstraction has 1130 states and 1516 transitions. [2019-10-13 20:35:35,492 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 20:35:35,492 INFO L276 IsEmpty]: Start isEmpty. Operand 1130 states and 1516 transitions. [2019-10-13 20:35:35,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2019-10-13 20:35:35,498 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 20:35:35,498 INFO L380 BasicCegarLoop]: trace histogram [6, 6, 6, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 20:35:35,498 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 20:35:35,499 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 20:35:35,499 INFO L82 PathProgramCache]: Analyzing trace with hash -1510902429, now seen corresponding path program 1 times [2019-10-13 20:35:35,499 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 20:35:35,499 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1957339964] [2019-10-13 20:35:35,499 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:35:35,500 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:35:35,500 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 20:35:35,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 20:35:35,935 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2019-10-13 20:35:35,936 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1957339964] [2019-10-13 20:35:35,936 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 20:35:35,936 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 20:35:35,937 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1088099377] [2019-10-13 20:35:35,938 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 20:35:35,939 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 20:35:35,939 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 20:35:35,939 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 20:35:35,939 INFO L87 Difference]: Start difference. First operand 1130 states and 1516 transitions. Second operand 3 states. [2019-10-13 20:35:38,944 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 20:35:38,945 INFO L93 Difference]: Finished difference Result 2573 states and 3475 transitions. [2019-10-13 20:35:38,946 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 20:35:38,946 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 90 [2019-10-13 20:35:38,947 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 20:35:38,957 INFO L225 Difference]: With dead ends: 2573 [2019-10-13 20:35:38,957 INFO L226 Difference]: Without dead ends: 1473 [2019-10-13 20:35:38,963 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 20:35:38,967 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1473 states. [2019-10-13 20:35:39,029 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1473 to 1470. [2019-10-13 20:35:39,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1470 states. [2019-10-13 20:35:39,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1470 states to 1470 states and 1923 transitions. [2019-10-13 20:35:39,041 INFO L78 Accepts]: Start accepts. Automaton has 1470 states and 1923 transitions. Word has length 90 [2019-10-13 20:35:39,043 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 20:35:39,043 INFO L462 AbstractCegarLoop]: Abstraction has 1470 states and 1923 transitions. [2019-10-13 20:35:39,043 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 20:35:39,043 INFO L276 IsEmpty]: Start isEmpty. Operand 1470 states and 1923 transitions. [2019-10-13 20:35:39,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2019-10-13 20:35:39,051 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 20:35:39,051 INFO L380 BasicCegarLoop]: trace histogram [6, 6, 6, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 20:35:39,052 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 20:35:39,052 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 20:35:39,052 INFO L82 PathProgramCache]: Analyzing trace with hash -1662234433, now seen corresponding path program 1 times [2019-10-13 20:35:39,053 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 20:35:39,053 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [867002650] [2019-10-13 20:35:39,053 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:35:39,053 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:35:39,053 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 20:35:39,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 20:35:39,463 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2019-10-13 20:35:39,464 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [867002650] [2019-10-13 20:35:39,464 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 20:35:39,464 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 20:35:39,464 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [305551678] [2019-10-13 20:35:39,465 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 20:35:39,465 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 20:35:39,465 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 20:35:39,466 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 20:35:39,466 INFO L87 Difference]: Start difference. First operand 1470 states and 1923 transitions. Second operand 3 states. [2019-10-13 20:35:39,525 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 20:35:39,526 INFO L93 Difference]: Finished difference Result 1596 states and 2072 transitions. [2019-10-13 20:35:39,526 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 20:35:39,526 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 92 [2019-10-13 20:35:39,527 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 20:35:39,537 INFO L225 Difference]: With dead ends: 1596 [2019-10-13 20:35:39,537 INFO L226 Difference]: Without dead ends: 1593 [2019-10-13 20:35:39,538 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 20:35:39,541 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1593 states. [2019-10-13 20:35:39,611 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1593 to 1585. [2019-10-13 20:35:39,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1585 states. [2019-10-13 20:35:39,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1585 states to 1585 states and 2056 transitions. [2019-10-13 20:35:39,626 INFO L78 Accepts]: Start accepts. Automaton has 1585 states and 2056 transitions. Word has length 92 [2019-10-13 20:35:39,627 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 20:35:39,627 INFO L462 AbstractCegarLoop]: Abstraction has 1585 states and 2056 transitions. [2019-10-13 20:35:39,627 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 20:35:39,628 INFO L276 IsEmpty]: Start isEmpty. Operand 1585 states and 2056 transitions. [2019-10-13 20:35:39,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2019-10-13 20:35:39,645 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 20:35:39,645 INFO L380 BasicCegarLoop]: trace histogram [6, 6, 6, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 20:35:39,646 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 20:35:39,646 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 20:35:39,646 INFO L82 PathProgramCache]: Analyzing trace with hash -1748969506, now seen corresponding path program 1 times [2019-10-13 20:35:39,646 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 20:35:39,647 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [39662603] [2019-10-13 20:35:39,647 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:35:39,647 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:35:39,647 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 20:35:39,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 20:35:40,236 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2019-10-13 20:35:40,237 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [39662603] [2019-10-13 20:35:40,237 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 20:35:40,237 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 20:35:40,237 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1258094649] [2019-10-13 20:35:40,238 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 20:35:40,238 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 20:35:40,239 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 20:35:40,239 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 20:35:40,239 INFO L87 Difference]: Start difference. First operand 1585 states and 2056 transitions. Second operand 3 states. [2019-10-13 20:35:43,303 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 20:35:43,303 INFO L93 Difference]: Finished difference Result 3483 states and 4554 transitions. [2019-10-13 20:35:43,304 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 20:35:43,304 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 191 [2019-10-13 20:35:43,307 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 20:35:43,324 INFO L225 Difference]: With dead ends: 3483 [2019-10-13 20:35:43,324 INFO L226 Difference]: Without dead ends: 1928 [2019-10-13 20:35:43,335 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 20:35:43,339 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1928 states. [2019-10-13 20:35:43,404 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1928 to 1928. [2019-10-13 20:35:43,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1928 states. [2019-10-13 20:35:43,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1928 states to 1928 states and 2464 transitions. [2019-10-13 20:35:43,420 INFO L78 Accepts]: Start accepts. Automaton has 1928 states and 2464 transitions. Word has length 191 [2019-10-13 20:35:43,420 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 20:35:43,421 INFO L462 AbstractCegarLoop]: Abstraction has 1928 states and 2464 transitions. [2019-10-13 20:35:43,421 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 20:35:43,421 INFO L276 IsEmpty]: Start isEmpty. Operand 1928 states and 2464 transitions. [2019-10-13 20:35:43,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2019-10-13 20:35:43,430 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 20:35:43,431 INFO L380 BasicCegarLoop]: trace histogram [6, 6, 6, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:35:43,431 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 20:35:43,431 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 20:35:43,432 INFO L82 PathProgramCache]: Analyzing trace with hash -1089527675, now seen corresponding path program 1 times [2019-10-13 20:35:43,432 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 20:35:43,432 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [309033768] [2019-10-13 20:35:43,432 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:35:43,432 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:35:43,432 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 20:35:43,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 20:35:43,897 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2019-10-13 20:35:43,898 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [309033768] [2019-10-13 20:35:43,898 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 20:35:43,898 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 20:35:43,898 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [657408799] [2019-10-13 20:35:43,899 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 20:35:43,899 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 20:35:43,900 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 20:35:43,900 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 20:35:43,900 INFO L87 Difference]: Start difference. First operand 1928 states and 2464 transitions. Second operand 3 states. [2019-10-13 20:35:47,060 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 20:35:47,060 INFO L93 Difference]: Finished difference Result 4377 states and 5620 transitions. [2019-10-13 20:35:47,061 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 20:35:47,061 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 225 [2019-10-13 20:35:47,062 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 20:35:47,077 INFO L225 Difference]: With dead ends: 4377 [2019-10-13 20:35:47,077 INFO L226 Difference]: Without dead ends: 2479 [2019-10-13 20:35:47,085 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 20:35:47,091 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2479 states. [2019-10-13 20:35:47,190 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2479 to 2479. [2019-10-13 20:35:47,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2479 states. [2019-10-13 20:35:47,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2479 states to 2479 states and 3123 transitions. [2019-10-13 20:35:47,216 INFO L78 Accepts]: Start accepts. Automaton has 2479 states and 3123 transitions. Word has length 225 [2019-10-13 20:35:47,217 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 20:35:47,217 INFO L462 AbstractCegarLoop]: Abstraction has 2479 states and 3123 transitions. [2019-10-13 20:35:47,218 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 20:35:47,218 INFO L276 IsEmpty]: Start isEmpty. Operand 2479 states and 3123 transitions. [2019-10-13 20:35:47,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 282 [2019-10-13 20:35:47,232 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 20:35:47,233 INFO L380 BasicCegarLoop]: trace histogram [6, 6, 6, 5, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:35:47,236 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 20:35:47,237 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 20:35:47,237 INFO L82 PathProgramCache]: Analyzing trace with hash 2024269530, now seen corresponding path program 1 times [2019-10-13 20:35:47,238 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 20:35:47,238 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [382488826] [2019-10-13 20:35:47,239 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:35:47,239 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:35:47,239 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 20:35:47,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 20:35:47,756 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2019-10-13 20:35:47,756 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [382488826] [2019-10-13 20:35:47,756 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 20:35:47,756 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 20:35:47,757 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [532732836] [2019-10-13 20:35:47,757 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 20:35:47,758 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 20:35:47,758 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 20:35:47,763 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 20:35:47,763 INFO L87 Difference]: Start difference. First operand 2479 states and 3123 transitions. Second operand 3 states. [2019-10-13 20:35:50,847 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 20:35:50,848 INFO L93 Difference]: Finished difference Result 5592 states and 7058 transitions. [2019-10-13 20:35:50,848 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 20:35:50,848 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 281 [2019-10-13 20:35:50,849 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 20:35:50,867 INFO L225 Difference]: With dead ends: 5592 [2019-10-13 20:35:50,867 INFO L226 Difference]: Without dead ends: 3143 [2019-10-13 20:35:50,876 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 20:35:50,882 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3143 states. [2019-10-13 20:35:50,984 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3143 to 3140. [2019-10-13 20:35:50,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3140 states. [2019-10-13 20:35:50,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3140 states to 3140 states and 3901 transitions. [2019-10-13 20:35:50,997 INFO L78 Accepts]: Start accepts. Automaton has 3140 states and 3901 transitions. Word has length 281 [2019-10-13 20:35:50,998 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 20:35:50,998 INFO L462 AbstractCegarLoop]: Abstraction has 3140 states and 3901 transitions. [2019-10-13 20:35:50,998 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 20:35:50,998 INFO L276 IsEmpty]: Start isEmpty. Operand 3140 states and 3901 transitions. [2019-10-13 20:35:51,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 283 [2019-10-13 20:35:51,017 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 20:35:51,018 INFO L380 BasicCegarLoop]: trace histogram [6, 6, 6, 5, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:35:51,018 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 20:35:51,018 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 20:35:51,019 INFO L82 PathProgramCache]: Analyzing trace with hash -1176477994, now seen corresponding path program 1 times [2019-10-13 20:35:51,019 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 20:35:51,019 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2063121487] [2019-10-13 20:35:51,019 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:35:51,019 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:35:51,020 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 20:35:51,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 20:35:51,652 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2019-10-13 20:35:51,652 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2063121487] [2019-10-13 20:35:51,652 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 20:35:51,653 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-10-13 20:35:51,653 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [526734783] [2019-10-13 20:35:51,653 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-13 20:35:51,654 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 20:35:51,654 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-13 20:35:51,654 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-10-13 20:35:51,654 INFO L87 Difference]: Start difference. First operand 3140 states and 3901 transitions. Second operand 8 states.