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--class--cdc-acm.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f4eb214f-m [2019-10-13 20:35:09,382 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-13 20:35:09,385 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-13 20:35:09,398 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-13 20:35:09,399 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-13 20:35:09,400 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-13 20:35:09,402 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-13 20:35:09,411 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-13 20:35:09,413 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-13 20:35:09,415 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-13 20:35:09,416 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-13 20:35:09,417 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-13 20:35:09,418 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-13 20:35:09,419 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-13 20:35:09,420 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-13 20:35:09,422 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-13 20:35:09,423 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-13 20:35:09,424 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-13 20:35:09,429 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-13 20:35:09,435 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-13 20:35:09,436 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-13 20:35:09,440 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-13 20:35:09,443 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-13 20:35:09,444 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-13 20:35:09,448 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-13 20:35:09,448 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-13 20:35:09,448 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-13 20:35:09,450 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-13 20:35:09,451 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-13 20:35:09,453 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-13 20:35:09,453 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-13 20:35:09,454 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-13 20:35:09,455 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-13 20:35:09,456 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-13 20:35:09,460 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-13 20:35:09,460 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-13 20:35:09,461 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-13 20:35:09,461 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-13 20:35:09,461 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-13 20:35:09,462 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-13 20:35:09,463 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-13 20:35:09,464 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 20:35:09,483 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-13 20:35:09,484 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-13 20:35:09,485 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-13 20:35:09,486 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-13 20:35:09,486 INFO L138 SettingsManager]: * Use SBE=true [2019-10-13 20:35:09,486 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-13 20:35:09,486 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-13 20:35:09,486 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-13 20:35:09,487 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-13 20:35:09,487 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-13 20:35:09,488 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-13 20:35:09,488 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-13 20:35:09,488 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-13 20:35:09,489 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-13 20:35:09,489 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-13 20:35:09,489 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-13 20:35:09,489 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-13 20:35:09,489 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-13 20:35:09,490 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-13 20:35:09,490 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-13 20:35:09,490 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-13 20:35:09,490 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 20:35:09,490 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-13 20:35:09,491 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-13 20:35:09,491 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-13 20:35:09,491 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-13 20:35:09,491 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-13 20:35:09,491 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-13 20:35:09,491 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 20:35:09,779 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-13 20:35:09,792 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-13 20:35:09,796 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-13 20:35:09,797 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-13 20:35:09,797 INFO L275 PluginConnector]: CDTParser initialized [2019-10-13 20:35:09,798 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--usb--class--cdc-acm.ko-entry_point.cil.out.i [2019-10-13 20:35:09,870 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dc3ccc859/1db0ad76f2384dca803d549b02279280/FLAG367a44543 [2019-10-13 20:35:10,772 INFO L306 CDTParser]: Found 1 translation units. [2019-10-13 20:35:10,772 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--usb--class--cdc-acm.ko-entry_point.cil.out.i [2019-10-13 20:35:10,810 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dc3ccc859/1db0ad76f2384dca803d549b02279280/FLAG367a44543 [2019-10-13 20:35:11,272 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dc3ccc859/1db0ad76f2384dca803d549b02279280 [2019-10-13 20:35:11,282 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-13 20:35:11,284 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-13 20:35:11,289 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-13 20:35:11,290 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-13 20:35:11,294 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-13 20:35:11,295 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 08:35:11" (1/1) ... [2019-10-13 20:35:11,298 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2abbc2e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:35:11, skipping insertion in model container [2019-10-13 20:35:11,298 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 08:35:11" (1/1) ... [2019-10-13 20:35:11,306 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-13 20:35:11,476 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-13 20:35:12,155 WARN L1068 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [3823] [2019-10-13 20:35:12,156 WARN L1068 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [3824-3825] [2019-10-13 20:35:13,822 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 20:35:13,899 INFO L188 MainTranslator]: Completed pre-run [2019-10-13 20:35:14,035 WARN L1068 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [3823] [2019-10-13 20:35:14,035 WARN L1068 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [3824-3825] [2019-10-13 20:35:14,465 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 20:35:14,890 INFO L192 MainTranslator]: Completed translation [2019-10-13 20:35:14,890 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:35:14 WrapperNode [2019-10-13 20:35:14,891 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-13 20:35:14,892 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-13 20:35:14,892 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-13 20:35:14,892 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-13 20:35:14,961 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:35:14" (1/1) ... [2019-10-13 20:35:14,962 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:35:14" (1/1) ... [2019-10-13 20:35:15,108 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:35:14" (1/1) ... [2019-10-13 20:35:15,109 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:35:14" (1/1) ... [2019-10-13 20:35:15,360 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:35:14" (1/1) ... [2019-10-13 20:35:15,413 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:35:14" (1/1) ... [2019-10-13 20:35:15,467 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:35:14" (1/1) ... [2019-10-13 20:35:15,512 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-13 20:35:15,512 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-13 20:35:15,512 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-13 20:35:15,513 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-13 20:35:15,514 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:35:14" (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 20:35:15,591 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-13 20:35:15,594 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-13 20:35:15,594 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2019-10-13 20:35:15,594 INFO L138 BoogieDeclarations]: Found implementation of procedure __set_bit [2019-10-13 20:35:15,595 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_clear_bit [2019-10-13 20:35:15,597 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2019-10-13 20:35:15,597 INFO L138 BoogieDeclarations]: Found implementation of procedure variable_test_bit [2019-10-13 20:35:15,597 INFO L138 BoogieDeclarations]: Found implementation of procedure __le16_to_cpup [2019-10-13 20:35:15,598 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2019-10-13 20:35:15,599 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2019-10-13 20:35:15,599 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2019-10-13 20:35:15,599 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2019-10-13 20:35:15,602 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2019-10-13 20:35:15,602 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_cmpxchg [2019-10-13 20:35:15,602 INFO L138 BoogieDeclarations]: Found implementation of procedure __atomic_add_unless [2019-10-13 20:35:15,603 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_add_unless [2019-10-13 20:35:15,603 INFO L138 BoogieDeclarations]: Found implementation of procedure test_ti_thread_flag [2019-10-13 20:35:15,603 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2019-10-13 20:35:15,604 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_1 [2019-10-13 20:35:15,604 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_irq_4 [2019-10-13 20:35:15,604 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_5 [2019-10-13 20:35:15,604 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irq_7 [2019-10-13 20:35:15,604 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_8 [2019-10-13 20:35:15,604 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work [2019-10-13 20:35:15,605 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2019-10-13 20:35:15,605 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_get_unless_zero [2019-10-13 20:35:15,605 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2019-10-13 20:35:15,605 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kmalloc_12 [2019-10-13 20:35:15,605 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-10-13 20:35:15,605 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-10-13 20:35:15,605 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2019-10-13 20:35:15,606 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ptr [2019-10-13 20:35:15,606 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2019-10-13 20:35:15,606 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2019-10-13 20:35:15,607 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2019-10-13 20:35:15,607 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2019-10-13 20:35:15,607 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2019-10-13 20:35:15,607 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2019-10-13 20:35:15,607 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2019-10-13 20:35:15,607 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_tty_driver [2019-10-13 20:35:15,607 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_get_baud_rate [2019-10-13 20:35:15,608 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_port_get [2019-10-13 20:35:15,608 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_insert_flip_string [2019-10-13 20:35:15,608 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_dir_in [2019-10-13 20:35:15,608 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_dir_out [2019-10-13 20:35:15,609 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_xfer_bulk [2019-10-13 20:35:15,609 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_xfer_int [2019-10-13 20:35:15,609 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_is_bulk_in [2019-10-13 20:35:15,609 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_is_bulk_out [2019-10-13 20:35:15,610 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_is_int_in [2019-10-13 20:35:15,610 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_maxp [2019-10-13 20:35:15,610 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2019-10-13 20:35:15,610 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2019-10-13 20:35:15,610 INFO L138 BoogieDeclarations]: Found implementation of procedure test_tsk_thread_flag [2019-10-13 20:35:15,610 INFO L138 BoogieDeclarations]: Found implementation of procedure signal_pending [2019-10-13 20:35:15,610 INFO L138 BoogieDeclarations]: Found implementation of procedure pm_runtime_mark_last_busy [2019-10-13 20:35:15,611 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intfdata [2019-10-13 20:35:15,611 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2019-10-13 20:35:15,611 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2019-10-13 20:35:15,611 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_mark_last_busy [2019-10-13 20:35:15,611 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_interface_claimed [2019-10-13 20:35:15,612 INFO L138 BoogieDeclarations]: Found implementation of procedure init_usb_anchor [2019-10-13 20:35:15,612 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_bulk_urb [2019-10-13 20:35:15,612 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_int_urb [2019-10-13 20:35:15,612 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2019-10-13 20:35:15,612 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_translate_errors [2019-10-13 20:35:15,612 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_le16 [2019-10-13 20:35:15,612 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_get_by_index [2019-10-13 20:35:15,613 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_alloc_minor [2019-10-13 20:35:15,613 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_release_minor [2019-10-13 20:35:15,614 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_ctrl_msg [2019-10-13 20:35:15,614 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_wb_alloc [2019-10-13 20:35:15,614 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_wb_is_avail [2019-10-13 20:35:15,614 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_write_done [2019-10-13 20:35:15,614 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_start_wb [2019-10-13 20:35:15,615 INFO L138 BoogieDeclarations]: Found implementation of procedure show_caps [2019-10-13 20:35:15,615 INFO L138 BoogieDeclarations]: Found implementation of procedure show_country_codes [2019-10-13 20:35:15,615 INFO L138 BoogieDeclarations]: Found implementation of procedure show_country_rel_date [2019-10-13 20:35:15,616 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_ctrl_irq [2019-10-13 20:35:15,616 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_submit_read_urb [2019-10-13 20:35:15,616 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_submit_read_urbs [2019-10-13 20:35:15,617 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_process_read_urb [2019-10-13 20:35:15,617 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_read_bulk_callback [2019-10-13 20:35:15,618 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_write_bulk [2019-10-13 20:35:15,618 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_softint [2019-10-13 20:35:15,618 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_install [2019-10-13 20:35:15,618 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_open [2019-10-13 20:35:15,618 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_port_dtr_rts [2019-10-13 20:35:15,618 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_port_activate [2019-10-13 20:35:15,619 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_port_destruct [2019-10-13 20:35:15,619 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_port_shutdown [2019-10-13 20:35:15,619 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_cleanup [2019-10-13 20:35:15,619 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_hangup [2019-10-13 20:35:15,619 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_close [2019-10-13 20:35:15,619 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_write [2019-10-13 20:35:15,619 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_write_room [2019-10-13 20:35:15,619 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_chars_in_buffer [2019-10-13 20:35:15,620 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_throttle [2019-10-13 20:35:15,620 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_unthrottle [2019-10-13 20:35:15,620 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_break_ctl [2019-10-13 20:35:15,620 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_tiocmget [2019-10-13 20:35:15,620 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_tiocmset [2019-10-13 20:35:15,620 INFO L138 BoogieDeclarations]: Found implementation of procedure get_serial_info [2019-10-13 20:35:15,621 INFO L138 BoogieDeclarations]: Found implementation of procedure set_serial_info [2019-10-13 20:35:15,621 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_serial_change [2019-10-13 20:35:15,621 INFO L138 BoogieDeclarations]: Found implementation of procedure get_serial_usage [2019-10-13 20:35:15,621 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_ioctl [2019-10-13 20:35:15,621 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_set_termios [2019-10-13 20:35:15,622 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_write_buffers_free [2019-10-13 20:35:15,622 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_read_buffers_free [2019-10-13 20:35:15,622 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_write_buffers_alloc [2019-10-13 20:35:15,622 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_probe [2019-10-13 20:35:15,622 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_data_traffic [2019-10-13 20:35:15,622 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_disconnect [2019-10-13 20:35:15,623 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_suspend [2019-10-13 20:35:15,623 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_resume [2019-10-13 20:35:15,623 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_reset_resume [2019-10-13 20:35:15,623 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_init [2019-10-13 20:35:15,624 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_exit [2019-10-13 20:35:15,624 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_driver_2 [2019-10-13 20:35:15,625 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_tty_port_operations_3 [2019-10-13 20:35:15,625 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_tty_operations_1 [2019-10-13 20:35:15,625 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-13 20:35:15,625 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2019-10-13 20:35:15,625 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2019-10-13 20:35:15,625 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2019-10-13 20:35:15,625 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2019-10-13 20:35:15,626 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2019-10-13 20:35:15,626 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2019-10-13 20:35:15,626 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kmem_cache_alloc_16 [2019-10-13 20:35:15,626 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2019-10-13 20:35:15,627 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_19 [2019-10-13 20:35:15,627 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_20 [2019-10-13 20:35:15,631 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_21 [2019-10-13 20:35:15,631 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_22 [2019-10-13 20:35:15,631 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_alloc_coherent_23 [2019-10-13 20:35:15,632 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_alloc_coherent_24 [2019-10-13 20:35:15,632 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_alloc_urb_25 [2019-10-13 20:35:15,632 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_alloc_coherent_26 [2019-10-13 20:35:15,633 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_alloc_urb_27 [2019-10-13 20:35:15,640 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_alloc_urb_28 [2019-10-13 20:35:15,640 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_29 [2019-10-13 20:35:15,640 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_register_driver_30 [2019-10-13 20:35:15,640 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_deregister_31 [2019-10-13 20:35:15,640 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2019-10-13 20:35:15,640 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags_and_return_some_page [2019-10-13 20:35:15,640 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_nonatomic [2019-10-13 20:35:15,641 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2019-10-13 20:35:15,641 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2019-10-13 20:35:15,641 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock [2019-10-13 20:35:15,641 INFO L138 BoogieDeclarations]: Found implementation of procedure __copy_from_user_overflow [2019-10-13 20:35:15,641 INFO L138 BoogieDeclarations]: Found implementation of procedure __copy_to_user_overflow [2019-10-13 20:35:15,642 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_dev_dbg [2019-10-13 20:35:15,642 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2019-10-13 20:35:15,642 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2019-10-13 20:35:15,642 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2019-10-13 20:35:15,642 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2019-10-13 20:35:15,642 INFO L138 BoogieDeclarations]: Found implementation of procedure __tty_alloc_driver [2019-10-13 20:35:15,642 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2019-10-13 20:35:15,642 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2019-10-13 20:35:15,643 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2019-10-13 20:35:15,643 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2019-10-13 20:35:15,643 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock [2019-10-13 20:35:15,643 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irq [2019-10-13 20:35:15,643 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock [2019-10-13 20:35:15,643 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irq [2019-10-13 20:35:15,643 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irqrestore [2019-10-13 20:35:15,643 INFO L138 BoogieDeclarations]: Found implementation of procedure add_wait_queue [2019-10-13 20:35:15,644 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2019-10-13 20:35:15,644 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2019-10-13 20:35:15,644 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2019-10-13 20:35:15,644 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_warn [2019-10-13 20:35:15,644 INFO L138 BoogieDeclarations]: Found implementation of procedure device_create_file [2019-10-13 20:35:15,644 INFO L138 BoogieDeclarations]: Found implementation of procedure device_remove_file [2019-10-13 20:35:15,644 INFO L138 BoogieDeclarations]: Found implementation of procedure kmem_cache_alloc [2019-10-13 20:35:15,644 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-10-13 20:35:15,645 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-10-13 20:35:15,645 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_some_page [2019-10-13 20:35:15,645 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2019-10-13 20:35:15,645 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2019-10-13 20:35:15,645 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2019-10-13 20:35:15,645 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2019-10-13 20:35:15,645 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2019-10-13 20:35:15,645 INFO L138 BoogieDeclarations]: Found implementation of procedure put_tty_driver [2019-10-13 20:35:15,646 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2019-10-13 20:35:15,646 INFO L138 BoogieDeclarations]: Found implementation of procedure remove_wait_queue [2019-10-13 20:35:15,646 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2019-10-13 20:35:15,646 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_flip_buffer_push [2019-10-13 20:35:15,646 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_insert_flip_string_fixed_flag [2019-10-13 20:35:15,646 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_kref_put [2019-10-13 20:35:15,646 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_port_close [2019-10-13 20:35:15,647 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_port_hangup [2019-10-13 20:35:15,647 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_port_init [2019-10-13 20:35:15,647 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_port_open [2019-10-13 20:35:15,647 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_port_put [2019-10-13 20:35:15,647 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_port_register_device [2019-10-13 20:35:15,647 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_port_tty_get [2019-10-13 20:35:15,647 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_port_tty_hangup [2019-10-13 20:35:15,648 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_port_tty_wakeup [2019-10-13 20:35:15,648 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_register_driver [2019-10-13 20:35:15,648 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_set_operations [2019-10-13 20:35:15,648 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_standard_install [2019-10-13 20:35:15,648 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_termios_baud_rate [2019-10-13 20:35:15,648 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_unregister_device [2019-10-13 20:35:15,648 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_unregister_driver [2019-10-13 20:35:15,649 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_vhangup [2019-10-13 20:35:15,649 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_coherent [2019-10-13 20:35:15,649 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2019-10-13 20:35:15,649 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_anchor_urb [2019-10-13 20:35:15,649 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_get_interface [2019-10-13 20:35:15,649 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_get_interface_async [2019-10-13 20:35:15,649 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_get_interface_no_resume [2019-10-13 20:35:15,650 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_put_interface [2019-10-13 20:35:15,650 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_put_interface_async [2019-10-13 20:35:15,650 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2019-10-13 20:35:15,650 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_deregister [2019-10-13 20:35:15,650 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_driver_claim_interface [2019-10-13 20:35:15,650 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_driver_release_interface [2019-10-13 20:35:15,650 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_coherent [2019-10-13 20:35:15,651 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2019-10-13 20:35:15,651 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_from_anchor [2019-10-13 20:35:15,651 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intf [2019-10-13 20:35:15,651 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_ifnum_to_if [2019-10-13 20:35:15,651 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2019-10-13 20:35:15,651 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_put_intf [2019-10-13 20:35:15,651 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register_driver [2019-10-13 20:35:15,652 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2019-10-13 20:35:15,652 INFO L138 BoogieDeclarations]: Found implementation of procedure default_wake_function [2019-10-13 20:35:15,652 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-10-13 20:35:15,652 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-10-13 20:35:15,652 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-10-13 20:35:15,652 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-10-13 20:35:15,653 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-10-13 20:35:15,653 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-13 20:35:15,653 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2019-10-13 20:35:15,653 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2019-10-13 20:35:15,653 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2019-10-13 20:35:15,653 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2019-10-13 20:35:15,653 INFO L130 BoogieDeclarations]: Found specification of procedure __set_bit [2019-10-13 20:35:15,654 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_clear_bit [2019-10-13 20:35:15,654 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2019-10-13 20:35:15,654 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-13 20:35:15,654 INFO L130 BoogieDeclarations]: Found specification of procedure variable_test_bit [2019-10-13 20:35:15,654 INFO L130 BoogieDeclarations]: Found specification of procedure __le16_to_cpup [2019-10-13 20:35:15,654 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2019-10-13 20:35:15,654 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_dev_dbg [2019-10-13 20:35:15,654 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2019-10-13 20:35:15,655 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2019-10-13 20:35:15,655 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2019-10-13 20:35:15,655 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-13 20:35:15,655 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2019-10-13 20:35:15,655 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2019-10-13 20:35:15,655 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-10-13 20:35:15,655 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-10-13 20:35:15,656 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2019-10-13 20:35:15,656 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2019-10-13 20:35:15,656 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2019-10-13 20:35:15,656 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2019-10-13 20:35:15,656 INFO L130 BoogieDeclarations]: Found specification of procedure __cmpxchg_wrong_size [2019-10-13 20:35:15,656 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2019-10-13 20:35:15,656 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_cmpxchg [2019-10-13 20:35:15,657 INFO L130 BoogieDeclarations]: Found specification of procedure __atomic_add_unless [2019-10-13 20:35:15,657 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_add_unless [2019-10-13 20:35:15,657 INFO L130 BoogieDeclarations]: Found specification of procedure test_ti_thread_flag [2019-10-13 20:35:15,657 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2019-10-13 20:35:15,657 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2019-10-13 20:35:15,657 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock [2019-10-13 20:35:15,657 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irq [2019-10-13 20:35:15,658 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock [2019-10-13 20:35:15,658 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irq [2019-10-13 20:35:15,658 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore [2019-10-13 20:35:15,658 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2019-10-13 20:35:15,658 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_1 [2019-10-13 20:35:15,658 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2019-10-13 20:35:15,658 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_irq_4 [2019-10-13 20:35:15,658 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2019-10-13 20:35:15,659 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_5 [2019-10-13 20:35:15,659 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2019-10-13 20:35:15,659 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irq_7 [2019-10-13 20:35:15,659 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2019-10-13 20:35:15,659 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_8 [2019-10-13 20:35:15,659 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2019-10-13 20:35:15,659 INFO L130 BoogieDeclarations]: Found specification of procedure default_wake_function [2019-10-13 20:35:15,660 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2019-10-13 20:35:15,660 INFO L130 BoogieDeclarations]: Found specification of procedure add_wait_queue [2019-10-13 20:35:15,660 INFO L130 BoogieDeclarations]: Found specification of procedure remove_wait_queue [2019-10-13 20:35:15,660 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2019-10-13 20:35:15,660 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2019-10-13 20:35:15,660 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2019-10-13 20:35:15,660 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2019-10-13 20:35:15,660 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2019-10-13 20:35:15,661 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2019-10-13 20:35:15,661 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2019-10-13 20:35:15,661 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work [2019-10-13 20:35:15,661 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2019-10-13 20:35:15,661 INFO L130 BoogieDeclarations]: Found specification of procedure kref_get_unless_zero [2019-10-13 20:35:15,661 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-10-13 20:35:15,661 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-10-13 20:35:15,662 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2019-10-13 20:35:15,662 INFO L130 BoogieDeclarations]: Found specification of procedure kmem_cache_alloc [2019-10-13 20:35:15,662 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kmem_cache_alloc_16 [2019-10-13 20:35:15,662 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kmalloc_12 [2019-10-13 20:35:15,662 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2019-10-13 20:35:15,662 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2019-10-13 20:35:15,662 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2019-10-13 20:35:15,663 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-13 20:35:15,663 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-10-13 20:35:15,663 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-13 20:35:15,663 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2019-10-13 20:35:15,663 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-10-13 20:35:15,663 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-10-13 20:35:15,663 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-10-13 20:35:15,663 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-13 20:35:15,664 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-10-13 20:35:15,664 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-10-13 20:35:15,664 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2019-10-13 20:35:15,664 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ptr [2019-10-13 20:35:15,664 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2019-10-13 20:35:15,664 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2019-10-13 20:35:15,664 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2019-10-13 20:35:15,664 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2019-10-13 20:35:15,664 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_driver_2 [2019-10-13 20:35:15,665 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_tty_port_operations_3 [2019-10-13 20:35:15,665 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_tty_operations_1 [2019-10-13 20:35:15,665 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2019-10-13 20:35:15,665 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2019-10-13 20:35:15,665 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2019-10-13 20:35:15,665 INFO L130 BoogieDeclarations]: Found specification of procedure __copy_from_user_overflow [2019-10-13 20:35:15,665 INFO L130 BoogieDeclarations]: Found specification of procedure __copy_to_user_overflow [2019-10-13 20:35:15,666 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2019-10-13 20:35:15,666 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2019-10-13 20:35:15,666 INFO L130 BoogieDeclarations]: Found specification of procedure __tty_alloc_driver [2019-10-13 20:35:15,666 INFO L130 BoogieDeclarations]: Found specification of procedure put_tty_driver [2019-10-13 20:35:15,666 INFO L130 BoogieDeclarations]: Found specification of procedure tty_set_operations [2019-10-13 20:35:15,666 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_tty_driver [2019-10-13 20:35:15,666 INFO L130 BoogieDeclarations]: Found specification of procedure tty_kref_put [2019-10-13 20:35:15,666 INFO L130 BoogieDeclarations]: Found specification of procedure tty_register_driver [2019-10-13 20:35:15,667 INFO L130 BoogieDeclarations]: Found specification of procedure tty_unregister_driver [2019-10-13 20:35:15,667 INFO L130 BoogieDeclarations]: Found specification of procedure tty_unregister_device [2019-10-13 20:35:15,667 INFO L130 BoogieDeclarations]: Found specification of procedure tty_vhangup [2019-10-13 20:35:15,667 INFO L130 BoogieDeclarations]: Found specification of procedure tty_termios_baud_rate [2019-10-13 20:35:15,667 INFO L130 BoogieDeclarations]: Found specification of procedure tty_get_baud_rate [2019-10-13 20:35:15,667 INFO L130 BoogieDeclarations]: Found specification of procedure tty_standard_install [2019-10-13 20:35:15,667 INFO L130 BoogieDeclarations]: Found specification of procedure tty_port_init [2019-10-13 20:35:15,667 INFO L130 BoogieDeclarations]: Found specification of procedure tty_port_register_device [2019-10-13 20:35:15,668 INFO L130 BoogieDeclarations]: Found specification of procedure tty_port_put [2019-10-13 20:35:15,668 INFO L130 BoogieDeclarations]: Found specification of procedure tty_port_get [2019-10-13 20:35:15,668 INFO L130 BoogieDeclarations]: Found specification of procedure tty_port_tty_get [2019-10-13 20:35:15,668 INFO L130 BoogieDeclarations]: Found specification of procedure tty_port_hangup [2019-10-13 20:35:15,668 INFO L130 BoogieDeclarations]: Found specification of procedure tty_port_tty_hangup [2019-10-13 20:35:15,668 INFO L130 BoogieDeclarations]: Found specification of procedure tty_port_tty_wakeup [2019-10-13 20:35:15,668 INFO L130 BoogieDeclarations]: Found specification of procedure tty_port_close [2019-10-13 20:35:15,668 INFO L130 BoogieDeclarations]: Found specification of procedure tty_port_open [2019-10-13 20:35:15,668 INFO L130 BoogieDeclarations]: Found specification of procedure tty_insert_flip_string_fixed_flag [2019-10-13 20:35:15,669 INFO L130 BoogieDeclarations]: Found specification of procedure tty_flip_buffer_push [2019-10-13 20:35:15,669 INFO L130 BoogieDeclarations]: Found specification of procedure tty_insert_flip_string [2019-10-13 20:35:15,669 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_dir_in [2019-10-13 20:35:15,669 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_dir_out [2019-10-13 20:35:15,669 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_xfer_bulk [2019-10-13 20:35:15,669 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_xfer_int [2019-10-13 20:35:15,669 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_is_bulk_in [2019-10-13 20:35:15,669 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_is_bulk_out [2019-10-13 20:35:15,670 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_is_int_in [2019-10-13 20:35:15,670 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_maxp [2019-10-13 20:35:15,670 INFO L130 BoogieDeclarations]: Found specification of procedure device_create_file [2019-10-13 20:35:15,670 INFO L130 BoogieDeclarations]: Found specification of procedure device_remove_file [2019-10-13 20:35:15,670 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2019-10-13 20:35:15,670 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-13 20:35:15,670 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2019-10-13 20:35:15,670 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2019-10-13 20:35:15,670 INFO L130 BoogieDeclarations]: Found specification of procedure dev_warn [2019-10-13 20:35:15,671 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2019-10-13 20:35:15,671 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2019-10-13 20:35:15,671 INFO L130 BoogieDeclarations]: Found specification of procedure test_tsk_thread_flag [2019-10-13 20:35:15,671 INFO L130 BoogieDeclarations]: Found specification of procedure signal_pending [2019-10-13 20:35:15,671 INFO L130 BoogieDeclarations]: Found specification of procedure pm_runtime_mark_last_busy [2019-10-13 20:35:15,671 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-13 20:35:15,671 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intfdata [2019-10-13 20:35:15,671 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2019-10-13 20:35:15,671 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intf [2019-10-13 20:35:15,672 INFO L130 BoogieDeclarations]: Found specification of procedure usb_put_intf [2019-10-13 20:35:15,672 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2019-10-13 20:35:15,672 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_get_interface [2019-10-13 20:35:15,672 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_put_interface [2019-10-13 20:35:15,672 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_get_interface_async [2019-10-13 20:35:15,672 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_put_interface_async [2019-10-13 20:35:15,672 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_get_interface_no_resume [2019-10-13 20:35:15,673 INFO L130 BoogieDeclarations]: Found specification of procedure usb_mark_last_busy [2019-10-13 20:35:15,673 INFO L130 BoogieDeclarations]: Found specification of procedure usb_driver_claim_interface [2019-10-13 20:35:15,673 INFO L130 BoogieDeclarations]: Found specification of procedure usb_interface_claimed [2019-10-13 20:35:15,673 INFO L130 BoogieDeclarations]: Found specification of procedure usb_driver_release_interface [2019-10-13 20:35:15,673 INFO L130 BoogieDeclarations]: Found specification of procedure usb_ifnum_to_if [2019-10-13 20:35:15,673 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register_driver [2019-10-13 20:35:15,673 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_register_driver_30 [2019-10-13 20:35:15,673 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister [2019-10-13 20:35:15,674 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_deregister_31 [2019-10-13 20:35:15,676 INFO L130 BoogieDeclarations]: Found specification of procedure init_usb_anchor [2019-10-13 20:35:15,676 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-13 20:35:15,676 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-10-13 20:35:15,676 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-13 20:35:15,676 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_bulk_urb [2019-10-13 20:35:15,677 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_int_urb [2019-10-13 20:35:15,677 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2019-10-13 20:35:15,677 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_alloc_urb_25 [2019-10-13 20:35:15,677 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_alloc_urb_27 [2019-10-13 20:35:15,677 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_alloc_urb_28 [2019-10-13 20:35:15,677 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2019-10-13 20:35:15,677 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2019-10-13 20:35:15,677 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_19 [2019-10-13 20:35:15,677 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_20 [2019-10-13 20:35:15,678 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_21 [2019-10-13 20:35:15,678 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_22 [2019-10-13 20:35:15,678 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_29 [2019-10-13 20:35:15,678 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2019-10-13 20:35:15,678 INFO L130 BoogieDeclarations]: Found specification of procedure usb_anchor_urb [2019-10-13 20:35:15,678 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_from_anchor [2019-10-13 20:35:15,678 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_coherent [2019-10-13 20:35:15,678 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_alloc_coherent_23 [2019-10-13 20:35:15,678 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_alloc_coherent_24 [2019-10-13 20:35:15,679 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_alloc_coherent_26 [2019-10-13 20:35:15,679 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_coherent [2019-10-13 20:35:15,679 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2019-10-13 20:35:15,679 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2019-10-13 20:35:15,679 INFO L130 BoogieDeclarations]: Found specification of procedure usb_translate_errors [2019-10-13 20:35:15,679 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_le16 [2019-10-13 20:35:15,679 INFO L130 BoogieDeclarations]: Found specification of procedure acm_get_by_index [2019-10-13 20:35:15,679 INFO L130 BoogieDeclarations]: Found specification of procedure acm_alloc_minor [2019-10-13 20:35:15,680 INFO L130 BoogieDeclarations]: Found specification of procedure acm_release_minor [2019-10-13 20:35:15,680 INFO L130 BoogieDeclarations]: Found specification of procedure acm_ctrl_msg [2019-10-13 20:35:15,680 INFO L130 BoogieDeclarations]: Found specification of procedure acm_wb_alloc [2019-10-13 20:35:15,680 INFO L130 BoogieDeclarations]: Found specification of procedure acm_wb_is_avail [2019-10-13 20:35:15,680 INFO L130 BoogieDeclarations]: Found specification of procedure acm_write_done [2019-10-13 20:35:15,680 INFO L130 BoogieDeclarations]: Found specification of procedure acm_start_wb [2019-10-13 20:35:15,680 INFO L130 BoogieDeclarations]: Found specification of procedure show_caps [2019-10-13 20:35:15,680 INFO L130 BoogieDeclarations]: Found specification of procedure show_country_codes [2019-10-13 20:35:15,680 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-10-13 20:35:15,681 INFO L130 BoogieDeclarations]: Found specification of procedure show_country_rel_date [2019-10-13 20:35:15,681 INFO L130 BoogieDeclarations]: Found specification of procedure acm_ctrl_irq [2019-10-13 20:35:15,681 INFO L130 BoogieDeclarations]: Found specification of procedure acm_submit_read_urb [2019-10-13 20:35:15,681 INFO L130 BoogieDeclarations]: Found specification of procedure acm_submit_read_urbs [2019-10-13 20:35:15,681 INFO L130 BoogieDeclarations]: Found specification of procedure acm_process_read_urb [2019-10-13 20:35:15,681 INFO L130 BoogieDeclarations]: Found specification of procedure acm_read_bulk_callback [2019-10-13 20:35:15,681 INFO L130 BoogieDeclarations]: Found specification of procedure acm_write_bulk [2019-10-13 20:35:15,681 INFO L130 BoogieDeclarations]: Found specification of procedure acm_softint [2019-10-13 20:35:15,682 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_install [2019-10-13 20:35:15,682 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_open [2019-10-13 20:35:15,682 INFO L130 BoogieDeclarations]: Found specification of procedure acm_port_dtr_rts [2019-10-13 20:35:15,682 INFO L130 BoogieDeclarations]: Found specification of procedure acm_port_activate [2019-10-13 20:35:15,682 INFO L130 BoogieDeclarations]: Found specification of procedure acm_port_destruct [2019-10-13 20:35:15,682 INFO L130 BoogieDeclarations]: Found specification of procedure acm_port_shutdown [2019-10-13 20:35:15,682 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_cleanup [2019-10-13 20:35:15,682 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_hangup [2019-10-13 20:35:15,683 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_close [2019-10-13 20:35:15,683 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_write [2019-10-13 20:35:15,683 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_write_room [2019-10-13 20:35:15,683 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_chars_in_buffer [2019-10-13 20:35:15,683 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_throttle [2019-10-13 20:35:15,683 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_unthrottle [2019-10-13 20:35:15,683 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_break_ctl [2019-10-13 20:35:15,683 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_tiocmget [2019-10-13 20:35:15,684 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_tiocmset [2019-10-13 20:35:15,684 INFO L130 BoogieDeclarations]: Found specification of procedure get_serial_info [2019-10-13 20:35:15,684 INFO L130 BoogieDeclarations]: Found specification of procedure set_serial_info [2019-10-13 20:35:15,684 INFO L130 BoogieDeclarations]: Found specification of procedure wait_serial_change [2019-10-13 20:35:15,684 INFO L130 BoogieDeclarations]: Found specification of procedure get_serial_usage [2019-10-13 20:35:15,684 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_ioctl [2019-10-13 20:35:15,684 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_set_termios [2019-10-13 20:35:15,684 INFO L130 BoogieDeclarations]: Found specification of procedure acm_write_buffers_free [2019-10-13 20:35:15,684 INFO L130 BoogieDeclarations]: Found specification of procedure acm_read_buffers_free [2019-10-13 20:35:15,685 INFO L130 BoogieDeclarations]: Found specification of procedure acm_write_buffers_alloc [2019-10-13 20:35:15,685 INFO L130 BoogieDeclarations]: Found specification of procedure acm_probe [2019-10-13 20:35:15,685 INFO L130 BoogieDeclarations]: Found specification of procedure stop_data_traffic [2019-10-13 20:35:15,685 INFO L130 BoogieDeclarations]: Found specification of procedure acm_disconnect [2019-10-13 20:35:15,685 INFO L130 BoogieDeclarations]: Found specification of procedure acm_suspend [2019-10-13 20:35:15,685 INFO L130 BoogieDeclarations]: Found specification of procedure acm_resume [2019-10-13 20:35:15,685 INFO L130 BoogieDeclarations]: Found specification of procedure acm_reset_resume [2019-10-13 20:35:15,685 INFO L130 BoogieDeclarations]: Found specification of procedure acm_init [2019-10-13 20:35:15,686 INFO L130 BoogieDeclarations]: Found specification of procedure acm_exit [2019-10-13 20:35:15,686 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-10-13 20:35:15,686 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-10-13 20:35:15,686 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-13 20:35:15,686 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_some_page [2019-10-13 20:35:15,686 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags_and_return_some_page [2019-10-13 20:35:15,686 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_nonatomic [2019-10-13 20:35:15,686 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock [2019-10-13 20:35:15,686 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-10-13 20:35:15,687 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-10-13 20:35:15,687 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-13 20:35:15,687 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-13 20:35:15,687 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-13 20:35:15,687 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-10-13 20:35:15,687 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-13 20:35:15,687 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-10-13 20:35:15,687 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-10-13 20:35:15,688 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2019-10-13 20:35:15,688 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2019-10-13 20:35:17,356 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2019-10-13 20:35:37,290 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-13 20:35:37,291 INFO L284 CfgBuilder]: Removed 0 assume(true) statements. [2019-10-13 20:35:37,293 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 08:35:37 BoogieIcfgContainer [2019-10-13 20:35:37,293 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-13 20:35:37,295 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-13 20:35:37,295 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-13 20:35:37,299 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-13 20:35:37,299 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 08:35:11" (1/3) ... [2019-10-13 20:35:37,300 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@39b431b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 08:35:37, skipping insertion in model container [2019-10-13 20:35:37,300 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:35:14" (2/3) ... [2019-10-13 20:35:37,301 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@39b431b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 08:35:37, skipping insertion in model container [2019-10-13 20:35:37,301 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 08:35:37" (3/3) ... [2019-10-13 20:35:37,303 INFO L109 eAbstractionObserver]: Analyzing ICFG 43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--usb--class--cdc-acm.ko-entry_point.cil.out.i [2019-10-13 20:35:37,316 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-13 20:35:37,331 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-13 20:35:37,343 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-13 20:35:37,388 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-13 20:35:37,388 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-13 20:35:37,388 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-13 20:35:37,388 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-13 20:35:37,389 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-13 20:35:37,389 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-13 20:35:37,389 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-13 20:35:37,389 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-13 20:35:37,459 INFO L276 IsEmpty]: Start isEmpty. Operand 2009 states. [2019-10-13 20:35:37,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2019-10-13 20:35:37,493 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 20:35:37,494 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] [2019-10-13 20:35:37,497 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 20:35:37,503 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 20:35:37,503 INFO L82 PathProgramCache]: Analyzing trace with hash -1257756627, now seen corresponding path program 1 times [2019-10-13 20:35:37,515 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 20:35:37,516 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1218974020] [2019-10-13 20:35:37,516 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:35:37,516 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:35:37,517 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 20:35:38,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 20:35:38,779 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 20:35:38,779 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1218974020] [2019-10-13 20:35:38,780 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 20:35:38,781 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 20:35:38,781 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1013869071] [2019-10-13 20:35:38,787 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 20:35:38,788 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 20:35:38,804 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 20:35:38,805 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 20:35:38,807 INFO L87 Difference]: Start difference. First operand 2009 states. Second operand 3 states. [2019-10-13 20:35:39,962 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 20:35:39,962 INFO L93 Difference]: Finished difference Result 5272 states and 6996 transitions. [2019-10-13 20:35:39,963 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 20:35:39,964 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 140 [2019-10-13 20:35:39,965 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 20:35:40,015 INFO L225 Difference]: With dead ends: 5272 [2019-10-13 20:35:40,016 INFO L226 Difference]: Without dead ends: 3408 [2019-10-13 20:35:40,034 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 20:35:40,069 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3408 states. [2019-10-13 20:35:41,132 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3408 to 3405. [2019-10-13 20:35:41,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3405 states. [2019-10-13 20:35:41,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3405 states to 3405 states and 4464 transitions. [2019-10-13 20:35:41,170 INFO L78 Accepts]: Start accepts. Automaton has 3405 states and 4464 transitions. Word has length 140 [2019-10-13 20:35:41,172 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 20:35:41,173 INFO L462 AbstractCegarLoop]: Abstraction has 3405 states and 4464 transitions. [2019-10-13 20:35:41,173 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 20:35:41,173 INFO L276 IsEmpty]: Start isEmpty. Operand 3405 states and 4464 transitions. [2019-10-13 20:35:41,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2019-10-13 20:35:41,185 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 20:35:41,185 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, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 20:35:41,186 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 20:35:41,187 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 20:35:41,187 INFO L82 PathProgramCache]: Analyzing trace with hash -518244558, now seen corresponding path program 1 times [2019-10-13 20:35:41,187 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 20:35:41,188 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1680069660] [2019-10-13 20:35:41,188 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:35:41,188 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:35:41,188 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 20:35:41,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 20:35:41,841 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 20:35:41,842 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1680069660] [2019-10-13 20:35:41,842 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 20:35:41,842 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 20:35:41,843 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [918348812] [2019-10-13 20:35:41,844 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 20:35:41,845 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 20:35:41,845 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 20:35:41,845 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 20:35:41,845 INFO L87 Difference]: Start difference. First operand 3405 states and 4464 transitions. Second operand 3 states. [2019-10-13 20:35:43,069 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 20:35:43,069 INFO L93 Difference]: Finished difference Result 8652 states and 11314 transitions. [2019-10-13 20:35:43,070 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 20:35:43,070 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 156 [2019-10-13 20:35:43,071 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 20:35:43,109 INFO L225 Difference]: With dead ends: 8652 [2019-10-13 20:35:43,109 INFO L226 Difference]: Without dead ends: 5286 [2019-10-13 20:35:43,125 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 20:35:43,136 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5286 states. [2019-10-13 20:35:43,327 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5286 to 5269. [2019-10-13 20:35:43,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5269 states. [2019-10-13 20:35:43,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5269 states to 5269 states and 6884 transitions. [2019-10-13 20:35:43,359 INFO L78 Accepts]: Start accepts. Automaton has 5269 states and 6884 transitions. Word has length 156 [2019-10-13 20:35:43,360 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 20:35:43,360 INFO L462 AbstractCegarLoop]: Abstraction has 5269 states and 6884 transitions. [2019-10-13 20:35:43,360 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 20:35:43,360 INFO L276 IsEmpty]: Start isEmpty. Operand 5269 states and 6884 transitions. [2019-10-13 20:35:43,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2019-10-13 20:35:43,364 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 20:35:43,365 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 20:35:43,365 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 20:35:43,365 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 20:35:43,366 INFO L82 PathProgramCache]: Analyzing trace with hash -724124385, now seen corresponding path program 1 times [2019-10-13 20:35:43,366 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 20:35:43,366 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1551072537] [2019-10-13 20:35:43,366 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:35:43,367 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:35:43,367 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 20:35:43,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 20:35:43,960 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 20:35:43,960 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1551072537] [2019-10-13 20:35:43,961 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 20:35:43,961 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 20:35:43,961 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [157229000] [2019-10-13 20:35:43,962 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 20:35:43,962 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 20:35:43,962 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 20:35:43,962 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 20:35:43,963 INFO L87 Difference]: Start difference. First operand 5269 states and 6884 transitions. Second operand 3 states. [2019-10-13 20:35:45,249 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 20:35:45,250 INFO L93 Difference]: Finished difference Result 13213 states and 17173 transitions. [2019-10-13 20:35:45,250 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 20:35:45,250 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 147 [2019-10-13 20:35:45,254 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 20:35:45,320 INFO L225 Difference]: With dead ends: 13213 [2019-10-13 20:35:45,321 INFO L226 Difference]: Without dead ends: 7992 [2019-10-13 20:35:45,352 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 20:35:45,370 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7992 states. [2019-10-13 20:35:45,687 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7992 to 7987. [2019-10-13 20:35:45,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7987 states. [2019-10-13 20:35:45,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7987 states to 7987 states and 10344 transitions. [2019-10-13 20:35:45,728 INFO L78 Accepts]: Start accepts. Automaton has 7987 states and 10344 transitions. Word has length 147 [2019-10-13 20:35:45,729 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 20:35:45,729 INFO L462 AbstractCegarLoop]: Abstraction has 7987 states and 10344 transitions. [2019-10-13 20:35:45,729 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 20:35:45,729 INFO L276 IsEmpty]: Start isEmpty. Operand 7987 states and 10344 transitions. [2019-10-13 20:35:45,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2019-10-13 20:35:45,902 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 20:35:45,903 INFO L380 BasicCegarLoop]: trace histogram [17, 17, 17, 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] [2019-10-13 20:35:45,903 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 20:35:45,903 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 20:35:45,904 INFO L82 PathProgramCache]: Analyzing trace with hash -1367116317, now seen corresponding path program 1 times [2019-10-13 20:35:45,904 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 20:35:45,905 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [850222214] [2019-10-13 20:35:45,905 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:35:45,905 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:35:45,905 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 20:35:46,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat