/usr/bin/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-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--usb--class--cdc-acm.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fb55353 [2019-11-07 00:26:06,347 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-07 00:26:06,349 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-07 00:26:06,361 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-07 00:26:06,361 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-07 00:26:06,362 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-07 00:26:06,363 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-07 00:26:06,365 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-07 00:26:06,367 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-07 00:26:06,368 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-07 00:26:06,369 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-07 00:26:06,370 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-07 00:26:06,370 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-07 00:26:06,371 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-07 00:26:06,372 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-07 00:26:06,373 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-07 00:26:06,374 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-07 00:26:06,375 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-07 00:26:06,377 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-07 00:26:06,378 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-07 00:26:06,380 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-07 00:26:06,381 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-07 00:26:06,382 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-07 00:26:06,383 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-07 00:26:06,385 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-07 00:26:06,385 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-07 00:26:06,385 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-07 00:26:06,386 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-07 00:26:06,387 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-07 00:26:06,387 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-07 00:26:06,388 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-07 00:26:06,388 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-07 00:26:06,389 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-07 00:26:06,390 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-07 00:26:06,391 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-07 00:26:06,391 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-07 00:26:06,392 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-07 00:26:06,392 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-07 00:26:06,392 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-07 00:26:06,393 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-07 00:26:06,394 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-07 00:26:06,394 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 [2019-11-07 00:26:06,417 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-07 00:26:06,417 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-07 00:26:06,420 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-07 00:26:06,420 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-07 00:26:06,420 INFO L138 SettingsManager]: * Use SBE=true [2019-11-07 00:26:06,420 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-07 00:26:06,421 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-07 00:26:06,421 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-07 00:26:06,421 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-07 00:26:06,421 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-07 00:26:06,422 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-07 00:26:06,422 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-07 00:26:06,422 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-07 00:26:06,422 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-07 00:26:06,422 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-07 00:26:06,423 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-07 00:26:06,423 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-07 00:26:06,423 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-07 00:26:06,423 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-07 00:26:06,423 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-07 00:26:06,424 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-07 00:26:06,425 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-07 00:26:06,425 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-07 00:26:06,426 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-07 00:26:06,426 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-07 00:26:06,426 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-07 00:26:06,426 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-07 00:26:06,426 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-07 00:26:06,427 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 [2019-11-07 00:26:06,722 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-07 00:26:06,747 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-07 00:26:06,751 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-07 00:26:06,753 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-07 00:26:06,753 INFO L275 PluginConnector]: CDTParser initialized [2019-11-07 00:26:06,754 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--usb--class--cdc-acm.ko-entry_point.cil.out.i [2019-11-07 00:26:06,834 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/98ca140cf/859d7a0fb84143899174aeb076e0705b/FLAGe9417479a [2019-11-07 00:26:07,681 INFO L306 CDTParser]: Found 1 translation units. [2019-11-07 00:26:07,681 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--usb--class--cdc-acm.ko-entry_point.cil.out.i [2019-11-07 00:26:07,719 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/98ca140cf/859d7a0fb84143899174aeb076e0705b/FLAGe9417479a [2019-11-07 00:26:08,242 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/98ca140cf/859d7a0fb84143899174aeb076e0705b [2019-11-07 00:26:08,255 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-07 00:26:08,256 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-11-07 00:26:08,267 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-07 00:26:08,267 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-07 00:26:08,271 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-07 00:26:08,272 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 12:26:08" (1/1) ... [2019-11-07 00:26:08,290 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@360e8eda and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:26:08, skipping insertion in model container [2019-11-07 00:26:08,290 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 12:26:08" (1/1) ... [2019-11-07 00:26:08,308 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-07 00:26:08,605 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-07 00:26:10,961 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 00:26:11,114 INFO L188 MainTranslator]: Completed pre-run [2019-11-07 00:26:11,568 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 00:26:12,126 INFO L192 MainTranslator]: Completed translation [2019-11-07 00:26:12,126 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:26:12 WrapperNode [2019-11-07 00:26:12,126 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-07 00:26:12,127 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-07 00:26:12,127 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-07 00:26:12,128 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-07 00:26:12,142 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:26:12" (1/1) ... [2019-11-07 00:26:12,142 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:26:12" (1/1) ... [2019-11-07 00:26:12,264 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:26:12" (1/1) ... [2019-11-07 00:26:12,266 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:26:12" (1/1) ... [2019-11-07 00:26:12,491 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:26:12" (1/1) ... [2019-11-07 00:26:12,519 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:26:12" (1/1) ... [2019-11-07 00:26:12,567 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:26:12" (1/1) ... [2019-11-07 00:26:12,608 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-07 00:26:12,609 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-07 00:26:12,609 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-07 00:26:12,609 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-07 00:26:12,611 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:26:12" (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 [2019-11-07 00:26:12,682 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-07 00:26:12,682 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-07 00:26:12,682 INFO L138 BoogieDeclarations]: Found implementation of procedure __read_once_size [2019-11-07 00:26:12,682 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2019-11-07 00:26:12,683 INFO L138 BoogieDeclarations]: Found implementation of procedure __set_bit [2019-11-07 00:26:12,683 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_clear_bit [2019-11-07 00:26:12,683 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2019-11-07 00:26:12,683 INFO L138 BoogieDeclarations]: Found implementation of procedure variable_test_bit [2019-11-07 00:26:12,683 INFO L138 BoogieDeclarations]: Found implementation of procedure __le16_to_cpup [2019-11-07 00:26:12,684 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-11-07 00:26:12,684 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-11-07 00:26:12,684 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2019-11-07 00:26:12,685 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2019-11-07 00:26:12,685 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2019-11-07 00:26:12,686 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ptr [2019-11-07 00:26:12,686 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2019-11-07 00:26:12,687 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2019-11-07 00:26:12,687 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2019-11-07 00:26:12,687 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2019-11-07 00:26:12,687 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2019-11-07 00:26:12,688 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2019-11-07 00:26:12,688 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_cmpxchg [2019-11-07 00:26:12,688 INFO L138 BoogieDeclarations]: Found implementation of procedure __atomic_add_unless [2019-11-07 00:26:12,688 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_add_unless [2019-11-07 00:26:12,688 INFO L138 BoogieDeclarations]: Found implementation of procedure test_ti_thread_flag [2019-11-07 00:26:12,688 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2019-11-07 00:26:12,689 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_5 [2019-11-07 00:26:12,689 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_irq_8 [2019-11-07 00:26:12,689 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_9 [2019-11-07 00:26:12,690 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irq_11 [2019-11-07 00:26:12,690 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_12 [2019-11-07 00:26:12,690 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work [2019-11-07 00:26:12,690 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2019-11-07 00:26:12,690 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_find [2019-11-07 00:26:12,691 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_get_unless_zero [2019-11-07 00:26:12,691 INFO L138 BoogieDeclarations]: Found implementation of procedure test_tsk_thread_flag [2019-11-07 00:26:12,691 INFO L138 BoogieDeclarations]: Found implementation of procedure signal_pending [2019-11-07 00:26:12,691 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2019-11-07 00:26:12,692 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2019-11-07 00:26:12,692 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_tty_driver [2019-11-07 00:26:12,692 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_get_baud_rate [2019-11-07 00:26:12,692 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_port_get [2019-11-07 00:26:12,692 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_insert_flip_string [2019-11-07 00:26:12,692 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_dir_in [2019-11-07 00:26:12,692 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_dir_out [2019-11-07 00:26:12,693 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_xfer_bulk [2019-11-07 00:26:12,693 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_xfer_int [2019-11-07 00:26:12,693 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_is_bulk_in [2019-11-07 00:26:12,693 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_is_bulk_out [2019-11-07 00:26:12,693 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_is_int_in [2019-11-07 00:26:12,693 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_maxp [2019-11-07 00:26:12,693 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2019-11-07 00:26:12,694 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2019-11-07 00:26:12,694 INFO L138 BoogieDeclarations]: Found implementation of procedure pm_runtime_mark_last_busy [2019-11-07 00:26:12,694 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intfdata [2019-11-07 00:26:12,694 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2019-11-07 00:26:12,694 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2019-11-07 00:26:12,695 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_mark_last_busy [2019-11-07 00:26:12,695 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_interface_claimed [2019-11-07 00:26:12,695 INFO L138 BoogieDeclarations]: Found implementation of procedure init_usb_anchor [2019-11-07 00:26:12,695 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_bulk_urb [2019-11-07 00:26:12,695 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_int_urb [2019-11-07 00:26:12,696 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2019-11-07 00:26:12,696 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_translate_errors [2019-11-07 00:26:12,696 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_le16 [2019-11-07 00:26:12,696 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_get_by_minor [2019-11-07 00:26:12,696 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_alloc_minor [2019-11-07 00:26:12,696 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_release_minor [2019-11-07 00:26:12,696 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_ctrl_msg [2019-11-07 00:26:12,697 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_set_control [2019-11-07 00:26:12,697 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_wb_alloc [2019-11-07 00:26:12,697 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_wb_is_avail [2019-11-07 00:26:12,697 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_write_done [2019-11-07 00:26:12,698 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_start_wb [2019-11-07 00:26:12,698 INFO L138 BoogieDeclarations]: Found implementation of procedure show_caps [2019-11-07 00:26:12,698 INFO L138 BoogieDeclarations]: Found implementation of procedure show_country_codes [2019-11-07 00:26:12,698 INFO L138 BoogieDeclarations]: Found implementation of procedure show_country_rel_date [2019-11-07 00:26:12,698 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_ctrl_irq [2019-11-07 00:26:12,698 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_submit_read_urb [2019-11-07 00:26:12,699 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_submit_read_urbs [2019-11-07 00:26:12,699 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_process_read_urb [2019-11-07 00:26:12,700 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_read_bulk_callback [2019-11-07 00:26:12,700 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_write_bulk [2019-11-07 00:26:12,700 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_softint [2019-11-07 00:26:12,701 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_install [2019-11-07 00:26:12,701 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_open [2019-11-07 00:26:12,702 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_port_dtr_rts [2019-11-07 00:26:12,702 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_port_activate [2019-11-07 00:26:12,702 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_port_destruct [2019-11-07 00:26:12,702 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_port_shutdown [2019-11-07 00:26:12,702 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_cleanup [2019-11-07 00:26:12,702 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_hangup [2019-11-07 00:26:12,703 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_close [2019-11-07 00:26:12,703 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_write [2019-11-07 00:26:12,703 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_write_room [2019-11-07 00:26:12,703 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_chars_in_buffer [2019-11-07 00:26:12,703 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_throttle [2019-11-07 00:26:12,703 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_unthrottle [2019-11-07 00:26:12,703 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_break_ctl [2019-11-07 00:26:12,704 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_tiocmget [2019-11-07 00:26:12,704 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_tiocmset [2019-11-07 00:26:12,704 INFO L138 BoogieDeclarations]: Found implementation of procedure get_serial_info [2019-11-07 00:26:12,704 INFO L138 BoogieDeclarations]: Found implementation of procedure set_serial_info [2019-11-07 00:26:12,704 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_serial_change [2019-11-07 00:26:12,704 INFO L138 BoogieDeclarations]: Found implementation of procedure get_serial_usage [2019-11-07 00:26:12,704 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_ioctl [2019-11-07 00:26:12,704 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_set_termios [2019-11-07 00:26:12,705 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_write_buffers_free [2019-11-07 00:26:12,705 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_read_buffers_free [2019-11-07 00:26:12,705 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_write_buffers_alloc [2019-11-07 00:26:12,705 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_probe [2019-11-07 00:26:12,705 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_data_traffic [2019-11-07 00:26:12,705 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_disconnect [2019-11-07 00:26:12,706 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_suspend [2019-11-07 00:26:12,706 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_resume [2019-11-07 00:26:12,706 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_reset_resume [2019-11-07 00:26:12,706 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_init [2019-11-07 00:26:12,706 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_exit [2019-11-07 00:26:12,707 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_work_1 [2019-11-07 00:26:12,707 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_tty_port_operations_4 [2019-11-07 00:26:12,708 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_work_1 [2019-11-07 00:26:12,708 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_driver_3 [2019-11-07 00:26:12,708 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_tty_operations_2 [2019-11-07 00:26:12,708 INFO L138 BoogieDeclarations]: Found implementation of procedure work_init_1 [2019-11-07 00:26:12,709 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_all_1 [2019-11-07 00:26:12,709 INFO L138 BoogieDeclarations]: Found implementation of procedure invoke_work_1 [2019-11-07 00:26:12,709 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_1 [2019-11-07 00:26:12,709 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-07 00:26:12,709 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2019-11-07 00:26:12,709 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2019-11-07 00:26:12,710 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2019-11-07 00:26:12,710 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2019-11-07 00:26:12,710 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2019-11-07 00:26:12,710 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2019-11-07 00:26:12,710 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2019-11-07 00:26:12,711 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_queue_work_on_15 [2019-11-07 00:26:12,711 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_queue_delayed_work_on_16 [2019-11-07 00:26:12,714 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_queue_work_on_17 [2019-11-07 00:26:12,714 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_flush_workqueue_18 [2019-11-07 00:26:12,714 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_queue_delayed_work_on_19 [2019-11-07 00:26:12,715 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2019-11-07 00:26:12,715 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kmem_cache_alloc_25 [2019-11-07 00:26:12,715 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_28 [2019-11-07 00:26:12,715 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_29 [2019-11-07 00:26:12,722 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_30 [2019-11-07 00:26:12,722 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_31 [2019-11-07 00:26:12,722 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_alloc_coherent_32 [2019-11-07 00:26:12,723 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_alloc_coherent_33 [2019-11-07 00:26:12,723 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_alloc_urb_34 [2019-11-07 00:26:12,723 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_alloc_coherent_35 [2019-11-07 00:26:12,723 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_alloc_urb_36 [2019-11-07 00:26:12,723 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_alloc_urb_37 [2019-11-07 00:26:12,724 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_cancel_work_sync_38 [2019-11-07 00:26:12,724 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_39 [2019-11-07 00:26:12,724 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_register_driver_40 [2019-11-07 00:26:12,724 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_deregister_41 [2019-11-07 00:26:12,724 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2019-11-07 00:26:12,724 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2019-11-07 00:26:12,724 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2019-11-07 00:26:12,724 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2019-11-07 00:26:12,725 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2019-11-07 00:26:12,725 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2019-11-07 00:26:12,725 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags_and_return_some_page [2019-11-07 00:26:12,725 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_nonatomic [2019-11-07 00:26:12,725 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2019-11-07 00:26:12,725 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2019-11-07 00:26:12,725 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock [2019-11-07 00:26:12,725 INFO L138 BoogieDeclarations]: Found implementation of procedure __copy_from_user_overflow [2019-11-07 00:26:12,725 INFO L138 BoogieDeclarations]: Found implementation of procedure __copy_to_user_overflow [2019-11-07 00:26:12,726 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_dev_dbg [2019-11-07 00:26:12,726 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2019-11-07 00:26:12,726 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2019-11-07 00:26:12,726 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_fault [2019-11-07 00:26:12,726 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2019-11-07 00:26:12,726 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2019-11-07 00:26:12,726 INFO L138 BoogieDeclarations]: Found implementation of procedure __tty_alloc_driver [2019-11-07 00:26:12,726 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2019-11-07 00:26:12,727 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2019-11-07 00:26:12,727 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2019-11-07 00:26:12,727 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2019-11-07 00:26:12,727 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock [2019-11-07 00:26:12,727 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irq [2019-11-07 00:26:12,727 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock [2019-11-07 00:26:12,727 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irq [2019-11-07 00:26:12,727 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irqrestore [2019-11-07 00:26:12,728 INFO L138 BoogieDeclarations]: Found implementation of procedure add_wait_queue [2019-11-07 00:26:12,728 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2019-11-07 00:26:12,728 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2019-11-07 00:26:12,728 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2019-11-07 00:26:12,728 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2019-11-07 00:26:12,728 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_warn [2019-11-07 00:26:12,728 INFO L138 BoogieDeclarations]: Found implementation of procedure device_create_file [2019-11-07 00:26:12,728 INFO L138 BoogieDeclarations]: Found implementation of procedure device_remove_file [2019-11-07 00:26:12,729 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_workqueue [2019-11-07 00:26:12,729 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_alloc [2019-11-07 00:26:12,729 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_find_slowpath [2019-11-07 00:26:12,729 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_remove [2019-11-07 00:26:12,729 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-11-07 00:26:12,729 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-11-07 00:26:12,729 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_some_page [2019-11-07 00:26:12,729 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2019-11-07 00:26:12,730 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2019-11-07 00:26:12,730 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2019-11-07 00:26:12,730 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2019-11-07 00:26:12,730 INFO L138 BoogieDeclarations]: Found implementation of procedure put_tty_driver [2019-11-07 00:26:12,730 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work_on [2019-11-07 00:26:12,730 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2019-11-07 00:26:12,730 INFO L138 BoogieDeclarations]: Found implementation of procedure remove_wait_queue [2019-11-07 00:26:12,730 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2019-11-07 00:26:12,731 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_flip_buffer_push [2019-11-07 00:26:12,731 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_insert_flip_string_fixed_flag [2019-11-07 00:26:12,731 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_kref_put [2019-11-07 00:26:12,731 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_port_close [2019-11-07 00:26:12,731 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_port_hangup [2019-11-07 00:26:12,731 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_port_init [2019-11-07 00:26:12,731 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_port_open [2019-11-07 00:26:12,731 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_port_put [2019-11-07 00:26:12,732 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_port_register_device [2019-11-07 00:26:12,732 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_port_tty_get [2019-11-07 00:26:12,732 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_port_tty_hangup [2019-11-07 00:26:12,732 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_port_tty_wakeup [2019-11-07 00:26:12,732 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_register_driver [2019-11-07 00:26:12,732 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_set_operations [2019-11-07 00:26:12,732 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_standard_install [2019-11-07 00:26:12,733 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_termios_baud_rate [2019-11-07 00:26:12,733 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_unregister_device [2019-11-07 00:26:12,733 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_unregister_driver [2019-11-07 00:26:12,733 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_vhangup [2019-11-07 00:26:12,733 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_anchor_urb [2019-11-07 00:26:12,733 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_get_interface [2019-11-07 00:26:12,733 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_get_interface_async [2019-11-07 00:26:12,733 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_get_interface_no_resume [2019-11-07 00:26:12,734 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_put_interface [2019-11-07 00:26:12,734 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_put_interface_async [2019-11-07 00:26:12,734 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_clear_halt [2019-11-07 00:26:12,734 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2019-11-07 00:26:12,734 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_deregister [2019-11-07 00:26:12,734 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_driver_claim_interface [2019-11-07 00:26:12,734 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_driver_release_interface [2019-11-07 00:26:12,735 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_coherent [2019-11-07 00:26:12,735 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2019-11-07 00:26:12,735 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_from_anchor [2019-11-07 00:26:12,735 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intf [2019-11-07 00:26:12,735 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_ifnum_to_if [2019-11-07 00:26:12,735 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2019-11-07 00:26:12,735 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_put_intf [2019-11-07 00:26:12,735 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register_driver [2019-11-07 00:26:12,736 INFO L138 BoogieDeclarations]: Found implementation of procedure default_wake_function [2019-11-07 00:26:12,736 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-11-07 00:26:12,736 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-11-07 00:26:12,736 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-11-07 00:26:12,736 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-11-07 00:26:12,736 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-11-07 00:26:12,737 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove [2019-11-07 00:26:12,737 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-07 00:26:12,737 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2019-11-07 00:26:12,737 INFO L130 BoogieDeclarations]: Found specification of procedure __read_once_size [2019-11-07 00:26:12,737 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-11-07 00:26:12,737 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-07 00:26:12,737 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-07 00:26:12,737 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2019-11-07 00:26:12,738 INFO L130 BoogieDeclarations]: Found specification of procedure __set_bit [2019-11-07 00:26:12,738 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_clear_bit [2019-11-07 00:26:12,739 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2019-11-07 00:26:12,742 INFO L130 BoogieDeclarations]: Found specification of procedure variable_test_bit [2019-11-07 00:26:12,742 INFO L130 BoogieDeclarations]: Found specification of procedure __le16_to_cpup [2019-11-07 00:26:12,743 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2019-11-07 00:26:12,743 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_dev_dbg [2019-11-07 00:26:12,743 INFO L130 BoogieDeclarations]: Found specification of procedure __might_fault [2019-11-07 00:26:12,743 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2019-11-07 00:26:12,743 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2019-11-07 00:26:12,744 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2019-11-07 00:26:12,745 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2019-11-07 00:26:12,745 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2019-11-07 00:26:12,746 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-11-07 00:26:12,746 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-11-07 00:26:12,746 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-11-07 00:26:12,746 INFO L130 BoogieDeclarations]: Found specification of procedure memmove [2019-11-07 00:26:12,746 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-07 00:26:12,746 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-11-07 00:26:12,746 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-11-07 00:26:12,746 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-11-07 00:26:12,746 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-11-07 00:26:12,747 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-07 00:26:12,747 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-11-07 00:26:12,747 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-11-07 00:26:12,747 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2019-11-07 00:26:12,747 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2019-11-07 00:26:12,747 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-11-07 00:26:12,747 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2019-11-07 00:26:12,747 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ptr [2019-11-07 00:26:12,747 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2019-11-07 00:26:12,748 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2019-11-07 00:26:12,748 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2019-11-07 00:26:12,748 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-07 00:26:12,748 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2019-11-07 00:26:12,748 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2019-11-07 00:26:12,748 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-11-07 00:26:12,748 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2019-11-07 00:26:12,748 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2019-11-07 00:26:12,748 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2019-11-07 00:26:12,749 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2019-11-07 00:26:12,749 INFO L130 BoogieDeclarations]: Found specification of procedure __cmpxchg_wrong_size [2019-11-07 00:26:12,749 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2019-11-07 00:26:12,749 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_cmpxchg [2019-11-07 00:26:12,749 INFO L130 BoogieDeclarations]: Found specification of procedure __atomic_add_unless [2019-11-07 00:26:12,749 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_add_unless [2019-11-07 00:26:12,749 INFO L130 BoogieDeclarations]: Found specification of procedure test_ti_thread_flag [2019-11-07 00:26:12,749 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2019-11-07 00:26:12,749 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2019-11-07 00:26:12,749 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock [2019-11-07 00:26:12,750 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irq [2019-11-07 00:26:12,750 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock [2019-11-07 00:26:12,750 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irq [2019-11-07 00:26:12,750 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore [2019-11-07 00:26:12,750 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2019-11-07 00:26:12,750 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_5 [2019-11-07 00:26:12,750 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2019-11-07 00:26:12,750 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_irq_8 [2019-11-07 00:26:12,750 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2019-11-07 00:26:12,751 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_9 [2019-11-07 00:26:12,751 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2019-11-07 00:26:12,751 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irq_11 [2019-11-07 00:26:12,751 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2019-11-07 00:26:12,751 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_12 [2019-11-07 00:26:12,751 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2019-11-07 00:26:12,751 INFO L130 BoogieDeclarations]: Found specification of procedure default_wake_function [2019-11-07 00:26:12,751 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2019-11-07 00:26:12,751 INFO L130 BoogieDeclarations]: Found specification of procedure add_wait_queue [2019-11-07 00:26:12,752 INFO L130 BoogieDeclarations]: Found specification of procedure remove_wait_queue [2019-11-07 00:26:12,752 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2019-11-07 00:26:12,752 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2019-11-07 00:26:12,752 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2019-11-07 00:26:12,752 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2019-11-07 00:26:12,752 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2019-11-07 00:26:12,752 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2019-11-07 00:26:12,752 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2019-11-07 00:26:12,752 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_queue_work_on_15 [2019-11-07 00:26:12,753 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_queue_work_on_17 [2019-11-07 00:26:12,754 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work_on [2019-11-07 00:26:12,754 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_queue_delayed_work_on_16 [2019-11-07 00:26:12,754 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_queue_delayed_work_on_19 [2019-11-07 00:26:12,754 INFO L130 BoogieDeclarations]: Found specification of procedure flush_workqueue [2019-11-07 00:26:12,754 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_flush_workqueue_18 [2019-11-07 00:26:12,754 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2019-11-07 00:26:12,754 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_cancel_work_sync_38 [2019-11-07 00:26:12,754 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work [2019-11-07 00:26:12,754 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2019-11-07 00:26:12,755 INFO L130 BoogieDeclarations]: Found specification of procedure idr_find_slowpath [2019-11-07 00:26:12,755 INFO L130 BoogieDeclarations]: Found specification of procedure idr_alloc [2019-11-07 00:26:12,755 INFO L130 BoogieDeclarations]: Found specification of procedure idr_remove [2019-11-07 00:26:12,755 INFO L130 BoogieDeclarations]: Found specification of procedure idr_find [2019-11-07 00:26:12,755 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-07 00:26:12,755 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-07 00:26:12,755 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-07 00:26:12,755 INFO L130 BoogieDeclarations]: Found specification of procedure kref_get_unless_zero [2019-11-07 00:26:12,755 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2019-11-07 00:26:12,756 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2019-11-07 00:26:12,756 INFO L130 BoogieDeclarations]: Found specification of procedure test_tsk_thread_flag [2019-11-07 00:26:12,756 INFO L130 BoogieDeclarations]: Found specification of procedure signal_pending [2019-11-07 00:26:12,756 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-11-07 00:26:12,756 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kmem_cache_alloc_25 [2019-11-07 00:26:12,756 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2019-11-07 00:26:12,756 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2019-11-07 00:26:12,756 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_work_1 [2019-11-07 00:26:12,756 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_tty_port_operations_4 [2019-11-07 00:26:12,757 INFO L130 BoogieDeclarations]: Found specification of procedure disable_work_1 [2019-11-07 00:26:12,757 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_driver_3 [2019-11-07 00:26:12,757 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_tty_operations_2 [2019-11-07 00:26:12,757 INFO L130 BoogieDeclarations]: Found specification of procedure work_init_1 [2019-11-07 00:26:12,757 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_all_1 [2019-11-07 00:26:12,757 INFO L130 BoogieDeclarations]: Found specification of procedure invoke_work_1 [2019-11-07 00:26:12,757 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_1 [2019-11-07 00:26:12,757 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2019-11-07 00:26:12,757 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2019-11-07 00:26:12,758 INFO L130 BoogieDeclarations]: Found specification of procedure __copy_from_user_overflow [2019-11-07 00:26:12,758 INFO L130 BoogieDeclarations]: Found specification of procedure __copy_to_user_overflow [2019-11-07 00:26:12,758 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2019-11-07 00:26:12,758 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2019-11-07 00:26:12,758 INFO L130 BoogieDeclarations]: Found specification of procedure __tty_alloc_driver [2019-11-07 00:26:12,758 INFO L130 BoogieDeclarations]: Found specification of procedure put_tty_driver [2019-11-07 00:26:12,758 INFO L130 BoogieDeclarations]: Found specification of procedure tty_set_operations [2019-11-07 00:26:12,758 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_tty_driver [2019-11-07 00:26:12,758 INFO L130 BoogieDeclarations]: Found specification of procedure tty_kref_put [2019-11-07 00:26:12,759 INFO L130 BoogieDeclarations]: Found specification of procedure tty_register_driver [2019-11-07 00:26:12,759 INFO L130 BoogieDeclarations]: Found specification of procedure tty_unregister_driver [2019-11-07 00:26:12,759 INFO L130 BoogieDeclarations]: Found specification of procedure tty_unregister_device [2019-11-07 00:26:12,759 INFO L130 BoogieDeclarations]: Found specification of procedure tty_vhangup [2019-11-07 00:26:12,759 INFO L130 BoogieDeclarations]: Found specification of procedure tty_termios_baud_rate [2019-11-07 00:26:12,759 INFO L130 BoogieDeclarations]: Found specification of procedure tty_get_baud_rate [2019-11-07 00:26:12,759 INFO L130 BoogieDeclarations]: Found specification of procedure tty_standard_install [2019-11-07 00:26:12,760 INFO L130 BoogieDeclarations]: Found specification of procedure tty_port_init [2019-11-07 00:26:12,760 INFO L130 BoogieDeclarations]: Found specification of procedure tty_port_register_device [2019-11-07 00:26:12,760 INFO L130 BoogieDeclarations]: Found specification of procedure tty_port_put [2019-11-07 00:26:12,760 INFO L130 BoogieDeclarations]: Found specification of procedure tty_port_get [2019-11-07 00:26:12,760 INFO L130 BoogieDeclarations]: Found specification of procedure tty_port_tty_get [2019-11-07 00:26:12,760 INFO L130 BoogieDeclarations]: Found specification of procedure tty_port_hangup [2019-11-07 00:26:12,760 INFO L130 BoogieDeclarations]: Found specification of procedure tty_port_tty_hangup [2019-11-07 00:26:12,760 INFO L130 BoogieDeclarations]: Found specification of procedure tty_port_tty_wakeup [2019-11-07 00:26:12,761 INFO L130 BoogieDeclarations]: Found specification of procedure tty_port_close [2019-11-07 00:26:12,761 INFO L130 BoogieDeclarations]: Found specification of procedure tty_port_open [2019-11-07 00:26:12,761 INFO L130 BoogieDeclarations]: Found specification of procedure tty_insert_flip_string_fixed_flag [2019-11-07 00:26:12,761 INFO L130 BoogieDeclarations]: Found specification of procedure tty_flip_buffer_push [2019-11-07 00:26:12,761 INFO L130 BoogieDeclarations]: Found specification of procedure tty_insert_flip_string [2019-11-07 00:26:12,762 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_dir_in [2019-11-07 00:26:12,762 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_dir_out [2019-11-07 00:26:12,762 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_xfer_bulk [2019-11-07 00:26:12,762 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_xfer_int [2019-11-07 00:26:12,762 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_is_bulk_in [2019-11-07 00:26:12,762 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_is_bulk_out [2019-11-07 00:26:12,762 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_is_int_in [2019-11-07 00:26:12,762 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_maxp [2019-11-07 00:26:12,762 INFO L130 BoogieDeclarations]: Found specification of procedure device_create_file [2019-11-07 00:26:12,763 INFO L130 BoogieDeclarations]: Found specification of procedure device_remove_file [2019-11-07 00:26:12,763 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2019-11-07 00:26:12,763 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2019-11-07 00:26:12,763 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2019-11-07 00:26:12,763 INFO L130 BoogieDeclarations]: Found specification of procedure dev_warn [2019-11-07 00:26:12,763 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2019-11-07 00:26:12,763 INFO L130 BoogieDeclarations]: Found specification of procedure pm_runtime_mark_last_busy [2019-11-07 00:26:12,763 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intfdata [2019-11-07 00:26:12,764 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2019-11-07 00:26:12,764 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intf [2019-11-07 00:26:12,764 INFO L130 BoogieDeclarations]: Found specification of procedure usb_put_intf [2019-11-07 00:26:12,764 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2019-11-07 00:26:12,764 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_get_interface [2019-11-07 00:26:12,764 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_put_interface [2019-11-07 00:26:12,764 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_get_interface_async [2019-11-07 00:26:12,766 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_put_interface_async [2019-11-07 00:26:12,766 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_get_interface_no_resume [2019-11-07 00:26:12,766 INFO L130 BoogieDeclarations]: Found specification of procedure usb_mark_last_busy [2019-11-07 00:26:12,766 INFO L130 BoogieDeclarations]: Found specification of procedure usb_driver_claim_interface [2019-11-07 00:26:12,766 INFO L130 BoogieDeclarations]: Found specification of procedure usb_interface_claimed [2019-11-07 00:26:12,766 INFO L130 BoogieDeclarations]: Found specification of procedure usb_driver_release_interface [2019-11-07 00:26:12,766 INFO L130 BoogieDeclarations]: Found specification of procedure usb_ifnum_to_if [2019-11-07 00:26:12,766 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register_driver [2019-11-07 00:26:12,766 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_register_driver_40 [2019-11-07 00:26:12,767 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister [2019-11-07 00:26:12,767 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_deregister_41 [2019-11-07 00:26:12,767 INFO L130 BoogieDeclarations]: Found specification of procedure init_usb_anchor [2019-11-07 00:26:12,767 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_bulk_urb [2019-11-07 00:26:12,767 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_int_urb [2019-11-07 00:26:12,767 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_alloc_urb_34 [2019-11-07 00:26:12,767 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_alloc_urb_36 [2019-11-07 00:26:12,767 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_alloc_urb_37 [2019-11-07 00:26:12,767 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2019-11-07 00:26:12,768 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_28 [2019-11-07 00:26:12,768 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_29 [2019-11-07 00:26:12,768 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_30 [2019-11-07 00:26:12,768 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_31 [2019-11-07 00:26:12,768 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_39 [2019-11-07 00:26:12,768 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2019-11-07 00:26:12,768 INFO L130 BoogieDeclarations]: Found specification of procedure usb_anchor_urb [2019-11-07 00:26:12,768 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_from_anchor [2019-11-07 00:26:12,768 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_alloc_coherent_32 [2019-11-07 00:26:12,769 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_alloc_coherent_33 [2019-11-07 00:26:12,769 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_alloc_coherent_35 [2019-11-07 00:26:12,769 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_coherent [2019-11-07 00:26:12,769 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2019-11-07 00:26:12,769 INFO L130 BoogieDeclarations]: Found specification of procedure usb_clear_halt [2019-11-07 00:26:12,769 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2019-11-07 00:26:12,769 INFO L130 BoogieDeclarations]: Found specification of procedure usb_translate_errors [2019-11-07 00:26:12,769 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_le16 [2019-11-07 00:26:12,769 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_set_termios [2019-11-07 00:26:12,770 INFO L130 BoogieDeclarations]: Found specification of procedure acm_get_by_minor [2019-11-07 00:26:12,770 INFO L130 BoogieDeclarations]: Found specification of procedure acm_alloc_minor [2019-11-07 00:26:12,770 INFO L130 BoogieDeclarations]: Found specification of procedure acm_release_minor [2019-11-07 00:26:12,770 INFO L130 BoogieDeclarations]: Found specification of procedure acm_ctrl_msg [2019-11-07 00:26:12,770 INFO L130 BoogieDeclarations]: Found specification of procedure acm_set_control [2019-11-07 00:26:12,770 INFO L130 BoogieDeclarations]: Found specification of procedure acm_wb_alloc [2019-11-07 00:26:12,770 INFO L130 BoogieDeclarations]: Found specification of procedure acm_wb_is_avail [2019-11-07 00:26:12,770 INFO L130 BoogieDeclarations]: Found specification of procedure acm_write_done [2019-11-07 00:26:12,770 INFO L130 BoogieDeclarations]: Found specification of procedure acm_start_wb [2019-11-07 00:26:12,771 INFO L130 BoogieDeclarations]: Found specification of procedure show_caps [2019-11-07 00:26:12,771 INFO L130 BoogieDeclarations]: Found specification of procedure show_country_codes [2019-11-07 00:26:12,771 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove [2019-11-07 00:26:12,771 INFO L130 BoogieDeclarations]: Found specification of procedure show_country_rel_date [2019-11-07 00:26:12,771 INFO L130 BoogieDeclarations]: Found specification of procedure acm_ctrl_irq [2019-11-07 00:26:12,771 INFO L130 BoogieDeclarations]: Found specification of procedure acm_submit_read_urb [2019-11-07 00:26:12,771 INFO L130 BoogieDeclarations]: Found specification of procedure acm_submit_read_urbs [2019-11-07 00:26:12,771 INFO L130 BoogieDeclarations]: Found specification of procedure acm_process_read_urb [2019-11-07 00:26:12,771 INFO L130 BoogieDeclarations]: Found specification of procedure acm_read_bulk_callback [2019-11-07 00:26:12,772 INFO L130 BoogieDeclarations]: Found specification of procedure acm_write_bulk [2019-11-07 00:26:12,772 INFO L130 BoogieDeclarations]: Found specification of procedure acm_softint [2019-11-07 00:26:12,772 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_install [2019-11-07 00:26:12,772 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_open [2019-11-07 00:26:12,772 INFO L130 BoogieDeclarations]: Found specification of procedure acm_port_dtr_rts [2019-11-07 00:26:12,772 INFO L130 BoogieDeclarations]: Found specification of procedure acm_port_activate [2019-11-07 00:26:12,772 INFO L130 BoogieDeclarations]: Found specification of procedure acm_port_destruct [2019-11-07 00:26:12,772 INFO L130 BoogieDeclarations]: Found specification of procedure acm_port_shutdown [2019-11-07 00:26:12,772 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_cleanup [2019-11-07 00:26:12,773 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_hangup [2019-11-07 00:26:12,773 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_close [2019-11-07 00:26:12,773 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_write [2019-11-07 00:26:12,773 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_write_room [2019-11-07 00:26:12,773 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_chars_in_buffer [2019-11-07 00:26:12,773 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_throttle [2019-11-07 00:26:12,773 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_unthrottle [2019-11-07 00:26:12,773 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_break_ctl [2019-11-07 00:26:12,773 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_tiocmget [2019-11-07 00:26:12,774 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_tiocmset [2019-11-07 00:26:12,774 INFO L130 BoogieDeclarations]: Found specification of procedure get_serial_info [2019-11-07 00:26:12,774 INFO L130 BoogieDeclarations]: Found specification of procedure set_serial_info [2019-11-07 00:26:12,774 INFO L130 BoogieDeclarations]: Found specification of procedure wait_serial_change [2019-11-07 00:26:12,774 INFO L130 BoogieDeclarations]: Found specification of procedure get_serial_usage [2019-11-07 00:26:12,774 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_ioctl [2019-11-07 00:26:12,777 INFO L130 BoogieDeclarations]: Found specification of procedure acm_write_buffers_free [2019-11-07 00:26:12,778 INFO L130 BoogieDeclarations]: Found specification of procedure acm_read_buffers_free [2019-11-07 00:26:12,778 INFO L130 BoogieDeclarations]: Found specification of procedure acm_write_buffers_alloc [2019-11-07 00:26:12,778 INFO L130 BoogieDeclarations]: Found specification of procedure acm_probe [2019-11-07 00:26:12,778 INFO L130 BoogieDeclarations]: Found specification of procedure stop_data_traffic [2019-11-07 00:26:12,778 INFO L130 BoogieDeclarations]: Found specification of procedure acm_disconnect [2019-11-07 00:26:12,778 INFO L130 BoogieDeclarations]: Found specification of procedure acm_suspend [2019-11-07 00:26:12,778 INFO L130 BoogieDeclarations]: Found specification of procedure acm_resume [2019-11-07 00:26:12,778 INFO L130 BoogieDeclarations]: Found specification of procedure acm_reset_resume [2019-11-07 00:26:12,779 INFO L130 BoogieDeclarations]: Found specification of procedure acm_init [2019-11-07 00:26:12,779 INFO L130 BoogieDeclarations]: Found specification of procedure acm_exit [2019-11-07 00:26:12,779 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-11-07 00:26:12,779 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-11-07 00:26:12,779 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-07 00:26:12,779 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2019-11-07 00:26:12,779 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2019-11-07 00:26:12,779 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2019-11-07 00:26:12,779 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_some_page [2019-11-07 00:26:12,780 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags_and_return_some_page [2019-11-07 00:26:12,780 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_nonatomic [2019-11-07 00:26:12,780 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock [2019-11-07 00:26:12,780 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-11-07 00:26:12,780 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-11-07 00:26:12,780 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2019-11-07 00:26:12,780 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-11-07 00:26:12,780 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-07 00:26:12,781 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-11-07 00:26:12,781 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-07 00:26:12,781 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-07 00:26:12,781 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-11-07 00:26:12,781 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-11-07 00:26:12,781 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2019-11-07 00:26:12,781 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2019-11-07 00:26:14,227 INFO L688 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2019-11-07 00:26:35,163 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-07 00:26:35,163 INFO L284 CfgBuilder]: Removed 0 assume(true) statements. [2019-11-07 00:26:35,166 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 12:26:35 BoogieIcfgContainer [2019-11-07 00:26:35,166 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-07 00:26:35,167 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-07 00:26:35,167 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-07 00:26:35,170 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-07 00:26:35,170 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 12:26:08" (1/3) ... [2019-11-07 00:26:35,171 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@40a8390f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 12:26:35, skipping insertion in model container [2019-11-07 00:26:35,171 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:26:12" (2/3) ... [2019-11-07 00:26:35,171 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@40a8390f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 12:26:35, skipping insertion in model container [2019-11-07 00:26:35,172 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 12:26:35" (3/3) ... [2019-11-07 00:26:35,173 INFO L109 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--usb--class--cdc-acm.ko-entry_point.cil.out.i [2019-11-07 00:26:35,181 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-07 00:26:35,191 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-07 00:26:35,203 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-07 00:26:35,239 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-07 00:26:35,239 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-07 00:26:35,240 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-07 00:26:35,240 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-07 00:26:35,240 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-07 00:26:35,240 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-07 00:26:35,240 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-07 00:26:35,240 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-07 00:26:35,295 INFO L276 IsEmpty]: Start isEmpty. Operand 2120 states. [2019-11-07 00:26:35,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 283 [2019-11-07 00:26:35,337 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 00:26:35,338 INFO L410 BasicCegarLoop]: trace histogram [14, 14, 14, 14, 14, 14, 14, 8, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 00:26:35,341 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 00:26:35,346 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 00:26:35,347 INFO L82 PathProgramCache]: Analyzing trace with hash 116926549, now seen corresponding path program 1 times [2019-11-07 00:26:35,357 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 00:26:35,357 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [837704370] [2019-11-07 00:26:35,358 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 00:26:36,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 00:26:37,908 INFO L134 CoverageAnalysis]: Checked inductivity of 980 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 980 trivial. 0 not checked. [2019-11-07 00:26:37,909 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [837704370] [2019-11-07 00:26:37,910 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 00:26:37,911 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-07 00:26:37,911 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [640486297] [2019-11-07 00:26:37,919 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-07 00:26:37,922 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 00:26:37,937 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-07 00:26:37,938 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-07 00:26:37,940 INFO L87 Difference]: Start difference. First operand 2120 states. Second operand 3 states. [2019-11-07 00:26:39,140 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 00:26:39,140 INFO L93 Difference]: Finished difference Result 4958 states and 6567 transitions. [2019-11-07 00:26:39,141 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-07 00:26:39,142 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 282 [2019-11-07 00:26:39,144 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 00:26:39,198 INFO L225 Difference]: With dead ends: 4958 [2019-11-07 00:26:39,199 INFO L226 Difference]: Without dead ends: 3013 [2019-11-07 00:26:39,214 INFO L630 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 [2019-11-07 00:26:39,238 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3013 states. [2019-11-07 00:26:39,523 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3013 to 3003. [2019-11-07 00:26:39,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3003 states. [2019-11-07 00:26:39,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3003 states to 3003 states and 3937 transitions. [2019-11-07 00:26:39,546 INFO L78 Accepts]: Start accepts. Automaton has 3003 states and 3937 transitions. Word has length 282 [2019-11-07 00:26:39,547 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 00:26:39,547 INFO L462 AbstractCegarLoop]: Abstraction has 3003 states and 3937 transitions. [2019-11-07 00:26:39,548 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-07 00:26:39,548 INFO L276 IsEmpty]: Start isEmpty. Operand 3003 states and 3937 transitions. [2019-11-07 00:26:39,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 285 [2019-11-07 00:26:39,557 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 00:26:39,557 INFO L410 BasicCegarLoop]: trace histogram [14, 14, 14, 14, 14, 14, 14, 8, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 00:26:39,558 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 00:26:39,558 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 00:26:39,558 INFO L82 PathProgramCache]: Analyzing trace with hash 483254433, now seen corresponding path program 1 times [2019-11-07 00:26:39,559 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 00:26:39,559 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1404630076] [2019-11-07 00:26:39,559 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 00:26:39,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 00:26:40,338 INFO L134 CoverageAnalysis]: Checked inductivity of 980 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 980 trivial. 0 not checked. [2019-11-07 00:26:40,339 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1404630076] [2019-11-07 00:26:40,339 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 00:26:40,340 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-07 00:26:40,340 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [237619471] [2019-11-07 00:26:40,342 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-07 00:26:40,343 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 00:26:40,343 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-07 00:26:40,343 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-07 00:26:40,343 INFO L87 Difference]: Start difference. First operand 3003 states and 3937 transitions. Second operand 3 states. [2019-11-07 00:26:41,542 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 00:26:41,542 INFO L93 Difference]: Finished difference Result 8559 states and 11192 transitions. [2019-11-07 00:26:41,543 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-07 00:26:41,543 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 284 [2019-11-07 00:26:41,547 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 00:26:41,590 INFO L225 Difference]: With dead ends: 8559 [2019-11-07 00:26:41,591 INFO L226 Difference]: Without dead ends: 5619 [2019-11-07 00:26:41,605 INFO L630 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 [2019-11-07 00:26:41,614 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5619 states. [2019-11-07 00:26:41,809 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5619 to 5614. [2019-11-07 00:26:41,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5614 states. [2019-11-07 00:26:41,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5614 states to 5614 states and 7334 transitions. [2019-11-07 00:26:41,845 INFO L78 Accepts]: Start accepts. Automaton has 5614 states and 7334 transitions. Word has length 284 [2019-11-07 00:26:41,847 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 00:26:41,847 INFO L462 AbstractCegarLoop]: Abstraction has 5614 states and 7334 transitions. [2019-11-07 00:26:41,847 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-07 00:26:41,847 INFO L276 IsEmpty]: Start isEmpty. Operand 5614 states and 7334 transitions. [2019-11-07 00:26:41,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 292 [2019-11-07 00:26:41,857 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 00:26:41,857 INFO L410 BasicCegarLoop]: trace histogram [14, 14, 14, 14, 14, 14, 14, 8, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 00:26:41,858 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 00:26:41,858 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 00:26:41,858 INFO L82 PathProgramCache]: Analyzing trace with hash 825166392, now seen corresponding path program 1 times [2019-11-07 00:26:41,858 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 00:26:41,858 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1442495618] [2019-11-07 00:26:41,859 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 00:26:42,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat