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 --traceabstraction.trace.refinement.strategy SIFA_TAIPAN --sifa.abstract.domain CompoundDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/ldv-validator-v0.6/linux-stable-2b9ec6c-1-106_1a-drivers--usb--gadget--g_printer.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-36ac518-m [2019-10-07 12:54:20,486 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-07 12:54:20,489 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-07 12:54:20,507 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-07 12:54:20,508 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-07 12:54:20,510 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-07 12:54:20,511 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-07 12:54:20,524 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-07 12:54:20,525 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-07 12:54:20,526 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-07 12:54:20,528 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-07 12:54:20,529 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-07 12:54:20,529 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-07 12:54:20,533 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-07 12:54:20,536 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-07 12:54:20,538 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-07 12:54:20,539 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-07 12:54:20,542 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-07 12:54:20,544 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-07 12:54:20,548 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-07 12:54:20,550 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-07 12:54:20,551 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-07 12:54:20,552 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-07 12:54:20,552 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-07 12:54:20,554 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-07 12:54:20,554 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-07 12:54:20,555 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-07 12:54:20,555 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-07 12:54:20,556 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-07 12:54:20,557 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-07 12:54:20,557 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-07 12:54:20,558 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-07 12:54:20,559 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-07 12:54:20,560 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-07 12:54:20,564 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-07 12:54:20,564 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-07 12:54:20,565 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-07 12:54:20,565 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-07 12:54:20,565 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-07 12:54:20,567 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-07 12:54:20,570 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-07 12:54:20,571 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 [2019-10-07 12:54:20,590 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-07 12:54:20,591 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-07 12:54:20,593 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-07 12:54:20,593 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-07 12:54:20,593 INFO L138 SettingsManager]: * Use SBE=true [2019-10-07 12:54:20,593 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-07 12:54:20,593 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-07 12:54:20,594 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-07 12:54:20,594 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-07 12:54:20,594 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-07 12:54:20,595 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-07 12:54:20,595 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-07 12:54:20,596 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-07 12:54:20,596 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-07 12:54:20,596 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-07 12:54:20,596 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-07 12:54:20,597 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-07 12:54:20,597 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-07 12:54:20,597 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-07 12:54:20,597 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-07 12:54:20,597 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-07 12:54:20,598 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-07 12:54:20,598 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-07 12:54:20,598 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-07 12:54:20,598 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-07 12:54:20,598 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-07 12:54:20,599 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-07 12:54:20,599 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-07 12:54:20,599 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> SIFA_TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> CompoundDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK [2019-10-07 12:54:20,871 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-07 12:54:20,887 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-07 12:54:20,890 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-07 12:54:20,891 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-07 12:54:20,892 INFO L275 PluginConnector]: CDTParser initialized [2019-10-07 12:54:20,892 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-validator-v0.6/linux-stable-2b9ec6c-1-106_1a-drivers--usb--gadget--g_printer.ko-entry_point.cil.out.i [2019-10-07 12:54:20,958 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/104630954/a97847e148d242a1ba422010ac188a70/FLAG4466b2ee3 [2019-10-07 12:54:21,741 INFO L306 CDTParser]: Found 1 translation units. [2019-10-07 12:54:21,742 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-validator-v0.6/linux-stable-2b9ec6c-1-106_1a-drivers--usb--gadget--g_printer.ko-entry_point.cil.out.i [2019-10-07 12:54:21,789 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/104630954/a97847e148d242a1ba422010ac188a70/FLAG4466b2ee3 [2019-10-07 12:54:21,804 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/104630954/a97847e148d242a1ba422010ac188a70 [2019-10-07 12:54:21,814 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-07 12:54:21,815 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-07 12:54:21,816 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-07 12:54:21,816 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-07 12:54:21,820 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-07 12:54:21,821 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 12:54:21" (1/1) ... [2019-10-07 12:54:21,824 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3c4b4c8c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 12:54:21, skipping insertion in model container [2019-10-07 12:54:21,824 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 12:54:21" (1/1) ... [2019-10-07 12:54:21,830 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-07 12:54:21,946 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-07 12:54:23,688 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 12:54:23,773 INFO L188 MainTranslator]: Completed pre-run [2019-10-07 12:54:24,143 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 12:54:24,367 INFO L192 MainTranslator]: Completed translation [2019-10-07 12:54:24,368 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 12:54:24 WrapperNode [2019-10-07 12:54:24,369 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-07 12:54:24,369 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-07 12:54:24,370 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-07 12:54:24,370 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-07 12:54:24,383 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 12:54:24" (1/1) ... [2019-10-07 12:54:24,384 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 12:54:24" (1/1) ... [2019-10-07 12:54:24,498 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 12:54:24" (1/1) ... [2019-10-07 12:54:24,498 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 12:54:24" (1/1) ... [2019-10-07 12:54:24,616 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 12:54:24" (1/1) ... [2019-10-07 12:54:24,650 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 12:54:24" (1/1) ... [2019-10-07 12:54:24,681 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 12:54:24" (1/1) ... [2019-10-07 12:54:24,714 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-07 12:54:24,715 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-07 12:54:24,715 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-07 12:54:24,715 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-07 12:54:24,717 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 12:54:24" (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 [2019-10-07 12:54:24,802 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-07 12:54:24,802 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-07 12:54:24,802 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~int~X~int~X~~gfp_t~0~TO~VOID [2019-10-07 12:54:24,803 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~VOID [2019-10-07 12:54:24,803 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2019-10-07 12:54:24,805 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2019-10-07 12:54:24,806 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~gfp_t~0~TO~$Pointer$ [2019-10-07 12:54:24,807 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2019-10-07 12:54:24,807 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~~gfp_t~0~TO~int [2019-10-07 12:54:24,807 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~int [2019-10-07 12:54:24,807 INFO L138 BoogieDeclarations]: Found implementation of procedure variable_test_bit [2019-10-07 12:54:24,809 INFO L138 BoogieDeclarations]: Found implementation of procedure get_order [2019-10-07 12:54:24,809 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2019-10-07 12:54:24,810 INFO L138 BoogieDeclarations]: Found implementation of procedure test_ti_thread_flag [2019-10-07 12:54:24,810 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2019-10-07 12:54:24,810 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2019-10-07 12:54:24,813 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2019-10-07 12:54:24,814 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_del [2019-10-07 12:54:24,814 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del_init [2019-10-07 12:54:24,814 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2019-10-07 12:54:24,815 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2019-10-07 12:54:24,815 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2019-10-07 12:54:24,815 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2019-10-07 12:54:24,815 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2019-10-07 12:54:24,815 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemleak_alloc [2019-10-07 12:54:24,815 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock_sched_held [2019-10-07 12:54:24,816 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock_sched_notrace [2019-10-07 12:54:24,816 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_kmalloc [2019-10-07 12:54:24,816 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc_index [2019-10-07 12:54:24,816 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc_slab [2019-10-07 12:54:24,816 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2019-10-07 12:54:24,817 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc_large [2019-10-07 12:54:24,817 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2019-10-07 12:54:24,817 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-10-07 12:54:24,817 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-10-07 12:54:24,817 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2019-10-07 12:54:24,817 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ptr [2019-10-07 12:54:24,818 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2019-10-07 12:54:24,818 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2019-10-07 12:54:24,818 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2019-10-07 12:54:24,818 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2019-10-07 12:54:24,818 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2019-10-07 12:54:24,818 INFO L138 BoogieDeclarations]: Found implementation of procedure test_tsk_thread_flag [2019-10-07 12:54:24,818 INFO L138 BoogieDeclarations]: Found implementation of procedure signal_pending [2019-10-07 12:54:24,818 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2019-10-07 12:54:24,819 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2019-10-07 12:54:24,819 INFO L138 BoogieDeclarations]: Found implementation of procedure init_utsname [2019-10-07 12:54:24,819 INFO L138 BoogieDeclarations]: Found implementation of procedure poll_wait [2019-10-07 12:54:24,819 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unaligned_le16 [2019-10-07 12:54:24,819 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_ep_enable [2019-10-07 12:54:24,819 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_ep_disable [2019-10-07 12:54:24,819 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_ep_alloc_request [2019-10-07 12:54:24,820 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_ep_free_request [2019-10-07 12:54:24,820 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_ep_queue [2019-10-07 12:54:24,820 INFO L138 BoogieDeclarations]: Found implementation of procedure set_gadget_data [2019-10-07 12:54:24,820 INFO L138 BoogieDeclarations]: Found implementation of procedure get_gadget_data [2019-10-07 12:54:24,820 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_gadget_set_selfpowered [2019-10-07 12:54:24,820 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_gadget_vbus_draw [2019-10-07 12:54:24,821 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_gadget_controller_number [2019-10-07 12:54:24,821 INFO L138 BoogieDeclarations]: Found implementation of procedure utf8_to_utf16le [2019-10-07 12:54:24,821 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_gadget_get_string [2019-10-07 12:54:24,821 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_descriptor_fillbuf [2019-10-07 12:54:24,821 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_gadget_config_buf [2019-10-07 12:54:24,821 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_copy_descriptors [2019-10-07 12:54:24,821 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_find_endpoint [2019-10-07 12:54:24,822 INFO L138 BoogieDeclarations]: Found implementation of procedure ep_matches [2019-10-07 12:54:24,822 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_ep_autoconfig [2019-10-07 12:54:24,822 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_ep_autoconfig_reset [2019-10-07 12:54:24,822 INFO L138 BoogieDeclarations]: Found implementation of procedure printer_req_alloc [2019-10-07 12:54:24,822 INFO L138 BoogieDeclarations]: Found implementation of procedure printer_req_free [2019-10-07 12:54:24,822 INFO L138 BoogieDeclarations]: Found implementation of procedure rx_complete [2019-10-07 12:54:24,823 INFO L138 BoogieDeclarations]: Found implementation of procedure tx_complete [2019-10-07 12:54:24,823 INFO L138 BoogieDeclarations]: Found implementation of procedure printer_open [2019-10-07 12:54:24,823 INFO L138 BoogieDeclarations]: Found implementation of procedure printer_close [2019-10-07 12:54:24,824 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rx_reqs [2019-10-07 12:54:24,824 INFO L138 BoogieDeclarations]: Found implementation of procedure printer_read [2019-10-07 12:54:24,824 INFO L138 BoogieDeclarations]: Found implementation of procedure printer_write [2019-10-07 12:54:24,825 INFO L138 BoogieDeclarations]: Found implementation of procedure printer_fsync [2019-10-07 12:54:24,825 INFO L138 BoogieDeclarations]: Found implementation of procedure printer_poll [2019-10-07 12:54:24,825 INFO L138 BoogieDeclarations]: Found implementation of procedure printer_ioctl [2019-10-07 12:54:24,826 INFO L138 BoogieDeclarations]: Found implementation of procedure set_printer_interface [2019-10-07 12:54:24,826 INFO L138 BoogieDeclarations]: Found implementation of procedure printer_reset_interface [2019-10-07 12:54:24,826 INFO L138 BoogieDeclarations]: Found implementation of procedure printer_set_config [2019-10-07 12:54:24,827 INFO L138 BoogieDeclarations]: Found implementation of procedure config_buf [2019-10-07 12:54:24,827 INFO L138 BoogieDeclarations]: Found implementation of procedure set_interface [2019-10-07 12:54:24,827 INFO L138 BoogieDeclarations]: Found implementation of procedure printer_setup_complete [2019-10-07 12:54:24,827 INFO L138 BoogieDeclarations]: Found implementation of procedure printer_soft_reset [2019-10-07 12:54:24,828 INFO L138 BoogieDeclarations]: Found implementation of procedure printer_setup [2019-10-07 12:54:24,828 INFO L138 BoogieDeclarations]: Found implementation of procedure printer_disconnect [2019-10-07 12:54:24,828 INFO L138 BoogieDeclarations]: Found implementation of procedure printer_unbind [2019-10-07 12:54:24,829 INFO L138 BoogieDeclarations]: Found implementation of procedure printer_bind [2019-10-07 12:54:24,829 INFO L138 BoogieDeclarations]: Found implementation of procedure init [2019-10-07 12:54:24,829 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-07 12:54:24,829 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_usb_gadget_driver_1 [2019-10-07 12:54:24,829 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_file_operations_2 [2019-10-07 12:54:24,829 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-07 12:54:24,830 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2019-10-07 12:54:24,830 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2019-10-07 12:54:24,830 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_cdev_del_5 [2019-10-07 12:54:24,830 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_cdev_init_6 [2019-10-07 12:54:24,830 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_alloc_chrdev_region_7 [2019-10-07 12:54:24,830 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_class_destroy_8 [2019-10-07 12:54:24,831 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_gadget_register_driver_9 [2019-10-07 12:54:24,831 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_class_destroy_10 [2019-10-07 12:54:24,831 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_chrdev_region_11 [2019-10-07 12:54:24,831 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_class_destroy_12 [2019-10-07 12:54:24,831 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_chrdev_region_13 [2019-10-07 12:54:24,832 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_gadget_unregister_driver_14 [2019-10-07 12:54:24,832 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop___0 [2019-10-07 12:54:24,832 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int_nonpositive [2019-10-07 12:54:24,832 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2019-10-07 12:54:24,832 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2019-10-07 12:54:24,832 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2019-10-07 12:54:24,833 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2019-10-07 12:54:24,833 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_create_class [2019-10-07 12:54:24,833 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_class [2019-10-07 12:54:24,834 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_class [2019-10-07 12:54:24,834 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_chrdev_region [2019-10-07 12:54:24,834 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_chrdev_region [2019-10-07 12:54:24,834 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_usb_gadget [2019-10-07 12:54:24,835 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_usb_gadget [2019-10-07 12:54:24,835 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-10-07 12:54:24,835 INFO L138 BoogieDeclarations]: Found implementation of procedure __get_free_pages [2019-10-07 12:54:24,835 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2019-10-07 12:54:24,836 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2019-10-07 12:54:24,836 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2019-10-07 12:54:24,836 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2019-10-07 12:54:24,837 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2019-10-07 12:54:24,837 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2019-10-07 12:54:24,837 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2019-10-07 12:54:24,837 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock [2019-10-07 12:54:24,838 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2019-10-07 12:54:24,838 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock [2019-10-07 12:54:24,839 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irqrestore [2019-10-07 12:54:24,841 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_chrdev_region [2019-10-07 12:54:24,842 INFO L138 BoogieDeclarations]: Found implementation of procedure cdev_add [2019-10-07 12:54:24,842 INFO L138 BoogieDeclarations]: Found implementation of procedure cdev_del [2019-10-07 12:54:24,842 INFO L138 BoogieDeclarations]: Found implementation of procedure cdev_init [2019-10-07 12:54:24,843 INFO L138 BoogieDeclarations]: Found implementation of procedure class_destroy [2019-10-07 12:54:24,843 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2019-10-07 12:54:24,843 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2019-10-07 12:54:24,843 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2019-10-07 12:54:24,843 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2019-10-07 12:54:24,844 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_warn [2019-10-07 12:54:24,851 INFO L138 BoogieDeclarations]: Found implementation of procedure device_create [2019-10-07 12:54:24,851 INFO L138 BoogieDeclarations]: Found implementation of procedure device_destroy [2019-10-07 12:54:24,851 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2019-10-07 12:54:24,851 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-10-07 12:54:24,851 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2019-10-07 12:54:24,852 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_dereference [2019-10-07 12:54:24,852 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2019-10-07 12:54:24,852 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2019-10-07 12:54:24,852 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2019-10-07 12:54:24,853 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait [2019-10-07 12:54:24,853 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2019-10-07 12:54:24,853 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2019-10-07 12:54:24,853 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_strtoul [2019-10-07 12:54:24,853 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2019-10-07 12:54:24,853 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_chrdev_region [2019-10-07 12:54:24,854 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_gadget_register_driver [2019-10-07 12:54:24,854 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_gadget_unregister_driver [2019-10-07 12:54:24,854 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_fmt [2019-10-07 12:54:24,854 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2019-10-07 12:54:24,854 INFO L138 BoogieDeclarations]: Found implementation of procedure autoremove_wake_function [2019-10-07 12:54:24,854 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-10-07 12:54:24,854 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-10-07 12:54:24,855 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-10-07 12:54:24,855 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-10-07 12:54:24,855 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-10-07 12:54:24,855 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-07 12:54:24,855 INFO L130 BoogieDeclarations]: Found specification of procedure __builtin_prefetch [2019-10-07 12:54:24,856 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2019-10-07 12:54:24,856 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2019-10-07 12:54:24,856 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2019-10-07 12:54:24,856 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_create_class [2019-10-07 12:54:24,856 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_class [2019-10-07 12:54:24,856 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_chrdev_region [2019-10-07 12:54:24,856 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_chrdev_region [2019-10-07 12:54:24,857 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_usb_gadget [2019-10-07 12:54:24,857 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_usb_gadget [2019-10-07 12:54:24,857 INFO L130 BoogieDeclarations]: Found specification of procedure variable_test_bit [2019-10-07 12:54:24,857 INFO L130 BoogieDeclarations]: Found specification of procedure get_order [2019-10-07 12:54:24,857 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_fmt [2019-10-07 12:54:24,857 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2019-10-07 12:54:24,857 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2019-10-07 12:54:24,858 INFO L130 BoogieDeclarations]: Found specification of procedure simple_strtoul [2019-10-07 12:54:24,858 INFO L130 BoogieDeclarations]: Found specification of procedure snprintf [2019-10-07 12:54:24,858 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2019-10-07 12:54:24,858 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2019-10-07 12:54:24,858 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2019-10-07 12:54:24,858 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-10-07 12:54:24,859 INFO L130 BoogieDeclarations]: Found specification of procedure strlen [2019-10-07 12:54:24,859 INFO L130 BoogieDeclarations]: Found specification of procedure strcmp [2019-10-07 12:54:24,859 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2019-10-07 12:54:24,859 INFO L130 BoogieDeclarations]: Found specification of procedure strrchr [2019-10-07 12:54:24,859 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2019-10-07 12:54:24,859 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2019-10-07 12:54:24,859 INFO L130 BoogieDeclarations]: Found specification of procedure test_ti_thread_flag [2019-10-07 12:54:24,860 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2019-10-07 12:54:24,860 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-07 12:54:24,860 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2019-10-07 12:54:24,860 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2019-10-07 12:54:24,860 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-07 12:54:24,860 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2019-10-07 12:54:24,860 INFO L130 BoogieDeclarations]: Found specification of procedure __list_del [2019-10-07 12:54:24,861 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2019-10-07 12:54:24,861 INFO L130 BoogieDeclarations]: Found specification of procedure list_del_init [2019-10-07 12:54:24,861 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2019-10-07 12:54:24,861 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_dereference [2019-10-07 12:54:24,861 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2019-10-07 12:54:24,861 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock [2019-10-07 12:54:24,861 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2019-10-07 12:54:24,862 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock [2019-10-07 12:54:24,862 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore [2019-10-07 12:54:24,862 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2019-10-07 12:54:24,862 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2019-10-07 12:54:24,862 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2019-10-07 12:54:24,862 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2019-10-07 12:54:24,862 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2019-10-07 12:54:24,863 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2019-10-07 12:54:24,863 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait [2019-10-07 12:54:24,863 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2019-10-07 12:54:24,863 INFO L130 BoogieDeclarations]: Found specification of procedure autoremove_wake_function [2019-10-07 12:54:24,863 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2019-10-07 12:54:24,863 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2019-10-07 12:54:24,864 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2019-10-07 12:54:24,864 INFO L130 BoogieDeclarations]: Found specification of procedure __get_free_pages [2019-10-07 12:54:24,864 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-10-07 12:54:24,864 INFO L130 BoogieDeclarations]: Found specification of procedure kmemleak_alloc [2019-10-07 12:54:24,864 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2019-10-07 12:54:24,864 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock_sched_held [2019-10-07 12:54:24,864 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock_sched_notrace [2019-10-07 12:54:24,865 INFO L130 BoogieDeclarations]: Found specification of procedure trace_kmalloc [2019-10-07 12:54:24,865 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-07 12:54:24,865 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~int~X~int~X~~gfp_t~0~TO~VOID [2019-10-07 12:54:24,865 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-07 12:54:24,865 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc_index [2019-10-07 12:54:24,865 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc_slab [2019-10-07 12:54:24,865 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-10-07 12:54:24,866 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2019-10-07 12:54:24,866 INFO L130 BoogieDeclarations]: Found specification of procedure kmem_cache_alloc_notrace [2019-10-07 12:54:24,866 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc_large [2019-10-07 12:54:24,866 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2019-10-07 12:54:24,866 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-07 12:54:24,866 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-10-07 12:54:24,867 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-07 12:54:24,867 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_size_t [2019-10-07 12:54:24,867 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2019-10-07 12:54:24,867 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-10-07 12:54:24,867 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-10-07 12:54:24,867 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-10-07 12:54:24,867 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-07 12:54:24,868 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-10-07 12:54:24,868 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-10-07 12:54:24,868 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2019-10-07 12:54:24,868 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ptr [2019-10-07 12:54:24,868 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2019-10-07 12:54:24,868 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2019-10-07 12:54:24,868 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2019-10-07 12:54:24,869 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2019-10-07 12:54:24,870 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_usb_gadget_driver_1 [2019-10-07 12:54:24,874 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_file_operations_2 [2019-10-07 12:54:24,874 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2019-10-07 12:54:24,875 INFO L130 BoogieDeclarations]: Found specification of procedure test_tsk_thread_flag [2019-10-07 12:54:24,875 INFO L130 BoogieDeclarations]: Found specification of procedure signal_pending [2019-10-07 12:54:24,875 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2019-10-07 12:54:24,875 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2019-10-07 12:54:24,875 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2019-10-07 12:54:24,875 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2019-10-07 12:54:24,876 INFO L130 BoogieDeclarations]: Found specification of procedure init_utsname [2019-10-07 12:54:24,876 INFO L130 BoogieDeclarations]: Found specification of procedure class_destroy [2019-10-07 12:54:24,876 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_class_destroy_8 [2019-10-07 12:54:24,878 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_class_destroy_10 [2019-10-07 12:54:24,878 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_class_destroy_12 [2019-10-07 12:54:24,878 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2019-10-07 12:54:24,878 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2019-10-07 12:54:24,879 INFO L130 BoogieDeclarations]: Found specification of procedure device_create [2019-10-07 12:54:24,879 INFO L130 BoogieDeclarations]: Found specification of procedure device_destroy [2019-10-07 12:54:24,879 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2019-10-07 12:54:24,879 INFO L130 BoogieDeclarations]: Found specification of procedure dev_warn [2019-10-07 12:54:24,879 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_chrdev_region [2019-10-07 12:54:24,879 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_alloc_chrdev_region_7 [2019-10-07 12:54:24,879 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_chrdev_region [2019-10-07 12:54:24,880 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_chrdev_region_11 [2019-10-07 12:54:24,880 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_chrdev_region_13 [2019-10-07 12:54:24,880 INFO L130 BoogieDeclarations]: Found specification of procedure poll_wait [2019-10-07 12:54:24,880 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~VOID [2019-10-07 12:54:24,880 INFO L130 BoogieDeclarations]: Found specification of procedure cdev_init [2019-10-07 12:54:24,880 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_cdev_init_6 [2019-10-07 12:54:24,880 INFO L130 BoogieDeclarations]: Found specification of procedure cdev_add [2019-10-07 12:54:24,881 INFO L130 BoogieDeclarations]: Found specification of procedure cdev_del [2019-10-07 12:54:24,881 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_cdev_del_5 [2019-10-07 12:54:24,881 INFO L130 BoogieDeclarations]: Found specification of procedure put_unaligned_le16 [2019-10-07 12:54:24,881 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-07 12:54:24,881 INFO L130 BoogieDeclarations]: Found specification of procedure usb_ep_enable [2019-10-07 12:54:24,881 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2019-10-07 12:54:24,881 INFO L130 BoogieDeclarations]: Found specification of procedure usb_ep_disable [2019-10-07 12:54:24,882 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2019-10-07 12:54:24,882 INFO L130 BoogieDeclarations]: Found specification of procedure usb_ep_alloc_request [2019-10-07 12:54:24,882 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~gfp_t~0~TO~$Pointer$ [2019-10-07 12:54:24,882 INFO L130 BoogieDeclarations]: Found specification of procedure usb_ep_free_request [2019-10-07 12:54:24,882 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2019-10-07 12:54:24,882 INFO L130 BoogieDeclarations]: Found specification of procedure usb_ep_queue [2019-10-07 12:54:24,882 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~~gfp_t~0~TO~int [2019-10-07 12:54:24,883 INFO L130 BoogieDeclarations]: Found specification of procedure set_gadget_data [2019-10-07 12:54:24,883 INFO L130 BoogieDeclarations]: Found specification of procedure get_gadget_data [2019-10-07 12:54:24,883 INFO L130 BoogieDeclarations]: Found specification of procedure usb_gadget_set_selfpowered [2019-10-07 12:54:24,883 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~int [2019-10-07 12:54:24,883 INFO L130 BoogieDeclarations]: Found specification of procedure usb_gadget_vbus_draw [2019-10-07 12:54:24,883 INFO L130 BoogieDeclarations]: Found specification of procedure usb_gadget_register_driver [2019-10-07 12:54:24,884 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_gadget_register_driver_9 [2019-10-07 12:54:24,884 INFO L130 BoogieDeclarations]: Found specification of procedure usb_gadget_unregister_driver [2019-10-07 12:54:24,884 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_gadget_unregister_driver_14 [2019-10-07 12:54:24,884 INFO L130 BoogieDeclarations]: Found specification of procedure usb_gadget_get_string [2019-10-07 12:54:24,884 INFO L130 BoogieDeclarations]: Found specification of procedure usb_descriptor_fillbuf [2019-10-07 12:54:24,884 INFO L130 BoogieDeclarations]: Found specification of procedure usb_gadget_config_buf [2019-10-07 12:54:24,884 INFO L130 BoogieDeclarations]: Found specification of procedure usb_copy_descriptors [2019-10-07 12:54:24,885 INFO L130 BoogieDeclarations]: Found specification of procedure usb_find_endpoint [2019-10-07 12:54:24,885 INFO L130 BoogieDeclarations]: Found specification of procedure usb_ep_autoconfig [2019-10-07 12:54:24,885 INFO L130 BoogieDeclarations]: Found specification of procedure usb_ep_autoconfig_reset [2019-10-07 12:54:24,885 INFO L130 BoogieDeclarations]: Found specification of procedure usb_gadget_controller_number [2019-10-07 12:54:24,885 INFO L130 BoogieDeclarations]: Found specification of procedure utf8_to_utf16le [2019-10-07 12:54:24,885 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-10-07 12:54:24,885 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-10-07 12:54:24,886 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-10-07 12:54:24,886 INFO L130 BoogieDeclarations]: Found specification of procedure ep_matches [2019-10-07 12:54:24,886 INFO L130 BoogieDeclarations]: Found specification of procedure printer_req_alloc [2019-10-07 12:54:24,886 INFO L130 BoogieDeclarations]: Found specification of procedure printer_req_free [2019-10-07 12:54:24,886 INFO L130 BoogieDeclarations]: Found specification of procedure rx_complete [2019-10-07 12:54:24,886 INFO L130 BoogieDeclarations]: Found specification of procedure tx_complete [2019-10-07 12:54:24,886 INFO L130 BoogieDeclarations]: Found specification of procedure printer_open [2019-10-07 12:54:24,887 INFO L130 BoogieDeclarations]: Found specification of procedure printer_close [2019-10-07 12:54:24,887 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rx_reqs [2019-10-07 12:54:24,887 INFO L130 BoogieDeclarations]: Found specification of procedure printer_read [2019-10-07 12:54:24,887 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-07 12:54:24,887 INFO L130 BoogieDeclarations]: Found specification of procedure printer_write [2019-10-07 12:54:24,887 INFO L130 BoogieDeclarations]: Found specification of procedure printer_fsync [2019-10-07 12:54:24,887 INFO L130 BoogieDeclarations]: Found specification of procedure printer_poll [2019-10-07 12:54:24,888 INFO L130 BoogieDeclarations]: Found specification of procedure printer_ioctl [2019-10-07 12:54:24,888 INFO L130 BoogieDeclarations]: Found specification of procedure set_printer_interface [2019-10-07 12:54:24,888 INFO L130 BoogieDeclarations]: Found specification of procedure printer_reset_interface [2019-10-07 12:54:24,888 INFO L130 BoogieDeclarations]: Found specification of procedure printer_set_config [2019-10-07 12:54:24,888 INFO L130 BoogieDeclarations]: Found specification of procedure config_buf [2019-10-07 12:54:24,888 INFO L130 BoogieDeclarations]: Found specification of procedure set_interface [2019-10-07 12:54:24,888 INFO L130 BoogieDeclarations]: Found specification of procedure printer_setup_complete [2019-10-07 12:54:24,889 INFO L130 BoogieDeclarations]: Found specification of procedure printer_soft_reset [2019-10-07 12:54:24,889 INFO L130 BoogieDeclarations]: Found specification of procedure printer_setup [2019-10-07 12:54:24,889 INFO L130 BoogieDeclarations]: Found specification of procedure printer_disconnect [2019-10-07 12:54:24,889 INFO L130 BoogieDeclarations]: Found specification of procedure printer_unbind [2019-10-07 12:54:24,889 INFO L130 BoogieDeclarations]: Found specification of procedure printer_bind [2019-10-07 12:54:24,889 INFO L130 BoogieDeclarations]: Found specification of procedure init [2019-10-07 12:54:24,889 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-07 12:54:24,889 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-10-07 12:54:24,890 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-10-07 12:54:24,890 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-07 12:54:24,890 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop___0 [2019-10-07 12:54:24,890 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int_nonpositive [2019-10-07 12:54:24,890 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2019-10-07 12:54:24,890 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2019-10-07 12:54:24,890 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_class [2019-10-07 12:54:24,891 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-10-07 12:54:24,891 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-07 12:54:24,891 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-07 12:54:24,891 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-07 12:54:24,891 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-10-07 12:54:24,891 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-10-07 12:54:24,891 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2019-10-07 12:54:24,892 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-07 12:54:24,892 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-10-07 12:54:24,892 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2019-10-07 12:54:25,946 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2019-10-07 12:55:10,969 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stop___0FINAL: assume true; [2019-10-07 12:55:19,425 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-07 12:55:19,426 INFO L284 CfgBuilder]: Removed 0 assume(true) statements. [2019-10-07 12:55:19,427 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 12:55:19 BoogieIcfgContainer [2019-10-07 12:55:19,428 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-07 12:55:19,429 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-07 12:55:19,429 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-07 12:55:19,431 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-07 12:55:19,431 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.10 12:54:21" (1/3) ... [2019-10-07 12:55:19,432 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f2e9c27 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 12:55:19, skipping insertion in model container [2019-10-07 12:55:19,432 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 12:54:24" (2/3) ... [2019-10-07 12:55:19,433 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f2e9c27 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 12:55:19, skipping insertion in model container [2019-10-07 12:55:19,433 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 12:55:19" (3/3) ... [2019-10-07 12:55:19,434 INFO L109 eAbstractionObserver]: Analyzing ICFG linux-stable-2b9ec6c-1-106_1a-drivers--usb--gadget--g_printer.ko-entry_point.cil.out.i [2019-10-07 12:55:19,443 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-07 12:55:19,453 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-07 12:55:19,462 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-07 12:55:19,494 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-07 12:55:19,494 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-07 12:55:19,494 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-07 12:55:19,494 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-07 12:55:19,494 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-07 12:55:19,494 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-07 12:55:19,494 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-07 12:55:19,495 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-07 12:55:19,537 INFO L276 IsEmpty]: Start isEmpty. Operand 1337 states. [2019-10-07 12:55:19,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2019-10-07 12:55:19,549 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 12:55:19,550 INFO L385 BasicCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 12:55:19,552 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 12:55:19,557 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 12:55:19,558 INFO L82 PathProgramCache]: Analyzing trace with hash 1890232196, now seen corresponding path program 1 times [2019-10-07 12:55:19,565 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 12:55:19,566 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 12:55:19,566 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 12:55:19,566 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 12:55:19,566 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 12:55:20,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 12:55:20,357 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2019-10-07 12:55:20,358 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 12:55:20,358 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 12:55:20,358 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 12:55:20,362 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 12:55:20,376 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 12:55:20,377 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 12:55:20,379 INFO L87 Difference]: Start difference. First operand 1337 states. Second operand 3 states. [2019-10-07 12:55:23,052 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 12:55:23,052 INFO L93 Difference]: Finished difference Result 3609 states and 5033 transitions. [2019-10-07 12:55:23,053 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 12:55:23,054 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 65 [2019-10-07 12:55:23,055 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 12:55:23,101 INFO L225 Difference]: With dead ends: 3609 [2019-10-07 12:55:23,101 INFO L226 Difference]: Without dead ends: 2299 [2019-10-07 12:55:23,116 INFO L606 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 [2019-10-07 12:55:23,142 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2299 states. [2019-10-07 12:55:23,381 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2299 to 2293. [2019-10-07 12:55:23,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2293 states. [2019-10-07 12:55:23,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2293 states to 2293 states and 3142 transitions. [2019-10-07 12:55:23,411 INFO L78 Accepts]: Start accepts. Automaton has 2293 states and 3142 transitions. Word has length 65 [2019-10-07 12:55:23,411 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 12:55:23,412 INFO L462 AbstractCegarLoop]: Abstraction has 2293 states and 3142 transitions. [2019-10-07 12:55:23,412 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 12:55:23,412 INFO L276 IsEmpty]: Start isEmpty. Operand 2293 states and 3142 transitions. [2019-10-07 12:55:23,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2019-10-07 12:55:23,437 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 12:55:23,438 INFO L385 BasicCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 12:55:23,438 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 12:55:23,438 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 12:55:23,439 INFO L82 PathProgramCache]: Analyzing trace with hash 158294786, now seen corresponding path program 1 times [2019-10-07 12:55:23,439 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 12:55:23,439 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 12:55:23,439 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 12:55:23,439 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 12:55:23,439 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 12:55:23,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 12:55:23,842 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2019-10-07 12:55:23,842 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 12:55:23,842 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 12:55:23,843 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 12:55:23,845 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 12:55:23,845 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 12:55:23,846 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 12:55:23,846 INFO L87 Difference]: Start difference. First operand 2293 states and 3142 transitions. Second operand 3 states. [2019-10-07 12:55:24,032 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 12:55:24,032 INFO L93 Difference]: Finished difference Result 4506 states and 6201 transitions. [2019-10-07 12:55:24,033 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 12:55:24,033 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 64 [2019-10-07 12:55:24,033 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 12:55:24,062 INFO L225 Difference]: With dead ends: 4506 [2019-10-07 12:55:24,062 INFO L226 Difference]: Without dead ends: 4480 [2019-10-07 12:55:24,067 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 12:55:24,076 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4480 states. [2019-10-07 12:55:24,322 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4480 to 4476. [2019-10-07 12:55:24,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4476 states. [2019-10-07 12:55:24,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4476 states to 4476 states and 6161 transitions. [2019-10-07 12:55:24,361 INFO L78 Accepts]: Start accepts. Automaton has 4476 states and 6161 transitions. Word has length 64 [2019-10-07 12:55:24,362 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 12:55:24,362 INFO L462 AbstractCegarLoop]: Abstraction has 4476 states and 6161 transitions. [2019-10-07 12:55:24,362 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 12:55:24,363 INFO L276 IsEmpty]: Start isEmpty. Operand 4476 states and 6161 transitions. [2019-10-07 12:55:24,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2019-10-07 12:55:24,365 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 12:55:24,366 INFO L385 BasicCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 12:55:24,366 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 12:55:24,366 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 12:55:24,366 INFO L82 PathProgramCache]: Analyzing trace with hash 609562273, now seen corresponding path program 1 times [2019-10-07 12:55:24,367 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 12:55:24,367 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 12:55:24,367 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 12:55:24,367 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 12:55:24,368 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 12:55:24,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 12:55:24,671 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2019-10-07 12:55:24,671 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 12:55:24,672 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 12:55:24,672 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 12:55:24,672 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 12:55:24,673 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 12:55:24,673 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 12:55:24,673 INFO L87 Difference]: Start difference. First operand 4476 states and 6161 transitions. Second operand 3 states. [2019-10-07 12:55:25,045 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 12:55:25,046 INFO L93 Difference]: Finished difference Result 13329 states and 18383 transitions. [2019-10-07 12:55:25,046 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 12:55:25,046 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 65 [2019-10-07 12:55:25,047 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 12:55:25,110 INFO L225 Difference]: With dead ends: 13329 [2019-10-07 12:55:25,111 INFO L226 Difference]: Without dead ends: 8874 [2019-10-07 12:55:25,133 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 12:55:25,145 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8874 states. [2019-10-07 12:55:25,549 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8874 to 8863. [2019-10-07 12:55:25,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8863 states. [2019-10-07 12:55:25,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8863 states to 8863 states and 12219 transitions. [2019-10-07 12:55:25,595 INFO L78 Accepts]: Start accepts. Automaton has 8863 states and 12219 transitions. Word has length 65 [2019-10-07 12:55:25,596 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 12:55:25,596 INFO L462 AbstractCegarLoop]: Abstraction has 8863 states and 12219 transitions. [2019-10-07 12:55:25,596 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 12:55:25,596 INFO L276 IsEmpty]: Start isEmpty. Operand 8863 states and 12219 transitions. [2019-10-07 12:55:25,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2019-10-07 12:55:25,600 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 12:55:25,600 INFO L385 BasicCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 12:55:25,600 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 12:55:25,601 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 12:55:25,601 INFO L82 PathProgramCache]: Analyzing trace with hash -1619796258, now seen corresponding path program 1 times [2019-10-07 12:55:25,601 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 12:55:25,601 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 12:55:25,601 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 12:55:25,601 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 12:55:25,602 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 12:55:25,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 12:55:25,839 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2019-10-07 12:55:25,839 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 12:55:25,839 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 12:55:25,839 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-07 12:55:25,840 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-07 12:55:25,840 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-07 12:55:25,840 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-07 12:55:25,841 INFO L87 Difference]: Start difference. First operand 8863 states and 12219 transitions. Second operand 4 states. [2019-10-07 12:55:35,739 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 12:55:35,739 INFO L93 Difference]: Finished difference Result 27172 states and 37713 transitions. [2019-10-07 12:55:35,740 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-07 12:55:35,740 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 90 [2019-10-07 12:55:35,742 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 12:55:35,896 INFO L225 Difference]: With dead ends: 27172 [2019-10-07 12:55:35,897 INFO L226 Difference]: Without dead ends: 18326 [2019-10-07 12:55:35,948 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-10-07 12:55:35,975 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18326 states. [2019-10-07 12:55:36,791 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18326 to 17669. [2019-10-07 12:55:36,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17669 states. [2019-10-07 12:55:36,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17669 states to 17669 states and 24412 transitions. [2019-10-07 12:55:36,866 INFO L78 Accepts]: Start accepts. Automaton has 17669 states and 24412 transitions. Word has length 90 [2019-10-07 12:55:36,869 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 12:55:36,869 INFO L462 AbstractCegarLoop]: Abstraction has 17669 states and 24412 transitions. [2019-10-07 12:55:36,869 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-07 12:55:36,869 INFO L276 IsEmpty]: Start isEmpty. Operand 17669 states and 24412 transitions. [2019-10-07 12:55:36,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2019-10-07 12:55:36,874 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 12:55:36,874 INFO L385 BasicCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 12:55:36,874 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 12:55:36,875 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 12:55:36,875 INFO L82 PathProgramCache]: Analyzing trace with hash 1912470995, now seen corresponding path program 1 times [2019-10-07 12:55:36,875 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 12:55:36,875 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 12:55:36,875 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 12:55:36,875 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 12:55:36,876 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 12:55:37,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 12:55:37,599 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2019-10-07 12:55:37,600 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 12:55:37,600 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 12:55:37,601 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2019-10-07 12:55:37,601 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2019-10-07 12:55:37,602 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2019-10-07 12:55:37,602 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2019-10-07 12:55:37,602 INFO L87 Difference]: Start difference. First operand 17669 states and 24412 transitions. Second operand 12 states. [2019-10-07 12:55:39,960 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 12:55:39,961 INFO L93 Difference]: Finished difference Result 48362 states and 66925 transitions. [2019-10-07 12:55:39,961 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2019-10-07 12:55:39,961 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 92 [2019-10-07 12:55:39,962 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 12:55:40,149 INFO L225 Difference]: With dead ends: 48362 [2019-10-07 12:55:40,149 INFO L226 Difference]: Without dead ends: 30714 [2019-10-07 12:55:40,240 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 63 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=78, Invalid=474, Unknown=0, NotChecked=0, Total=552 [2019-10-07 12:55:40,290 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30714 states. [2019-10-07 12:55:41,529 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30714 to 30592. [2019-10-07 12:55:41,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30592 states. [2019-10-07 12:55:41,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30592 states to 30592 states and 42388 transitions. [2019-10-07 12:55:41,662 INFO L78 Accepts]: Start accepts. Automaton has 30592 states and 42388 transitions. Word has length 92 [2019-10-07 12:55:41,662 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 12:55:41,662 INFO L462 AbstractCegarLoop]: Abstraction has 30592 states and 42388 transitions. [2019-10-07 12:55:41,662 INFO L463 AbstractCegarLoop]: Interpolant automaton has 12 states. [2019-10-07 12:55:41,663 INFO L276 IsEmpty]: Start isEmpty. Operand 30592 states and 42388 transitions. [2019-10-07 12:55:41,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2019-10-07 12:55:41,667 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 12:55:41,668 INFO L385 BasicCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 12:55:41,668 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 12:55:41,668 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 12:55:41,668 INFO L82 PathProgramCache]: Analyzing trace with hash 1510575505, now seen corresponding path program 1 times [2019-10-07 12:55:41,668 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 12:55:41,669 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 12:55:41,669 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 12:55:41,669 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 12:55:41,669 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 12:55:41,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 12:55:42,171 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2019-10-07 12:55:42,172 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 12:55:42,174 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 12:55:42,174 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2019-10-07 12:55:42,175 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2019-10-07 12:55:42,175 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2019-10-07 12:55:42,175 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2019-10-07 12:55:42,175 INFO L87 Difference]: Start difference. First operand 30592 states and 42388 transitions. Second operand 12 states. [2019-10-07 12:55:46,792 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 12:55:46,792 INFO L93 Difference]: Finished difference Result 56491 states and 78337 transitions. [2019-10-07 12:55:46,792 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2019-10-07 12:55:46,793 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 108 [2019-10-07 12:55:46,793 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 12:55:46,932 INFO L225 Difference]: With dead ends: 56491 [2019-10-07 12:55:46,932 INFO L226 Difference]: Without dead ends: 25920 [2019-10-07 12:55:47,016 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=78, Invalid=474, Unknown=0, NotChecked=0, Total=552 [2019-10-07 12:55:47,045 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25920 states. [2019-10-07 12:55:48,152 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25920 to 20457. [2019-10-07 12:55:48,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20457 states. [2019-10-07 12:55:48,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20457 states to 20457 states and 28315 transitions. [2019-10-07 12:55:48,229 INFO L78 Accepts]: Start accepts. Automaton has 20457 states and 28315 transitions. Word has length 108 [2019-10-07 12:55:48,230 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 12:55:48,230 INFO L462 AbstractCegarLoop]: Abstraction has 20457 states and 28315 transitions. [2019-10-07 12:55:48,230 INFO L463 AbstractCegarLoop]: Interpolant automaton has 12 states. [2019-10-07 12:55:48,230 INFO L276 IsEmpty]: Start isEmpty. Operand 20457 states and 28315 transitions. [2019-10-07 12:55:48,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2019-10-07 12:55:48,235 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 12:55:48,235 INFO L385 BasicCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 12:55:48,236 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 12:55:48,236 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 12:55:48,236 INFO L82 PathProgramCache]: Analyzing trace with hash -1319784169, now seen corresponding path program 1 times [2019-10-07 12:55:48,236 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 12:55:48,236 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 12:55:48,237 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 12:55:48,237 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 12:55:48,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 12:55:48,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 12:55:48,443 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2019-10-07 12:55:48,444 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 12:55:48,444 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 12:55:48,444 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 12:55:48,445 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 12:55:48,445 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 12:55:48,445 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 12:55:48,445 INFO L87 Difference]: Start difference. First operand 20457 states and 28315 transitions. Second operand 3 states. [2019-10-07 12:55:51,381 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 12:55:51,382 INFO L93 Difference]: Finished difference Result 40891 states and 56599 transitions. [2019-10-07 12:55:51,382 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 12:55:51,382 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 111 [2019-10-07 12:55:51,383 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 12:55:51,478 INFO L225 Difference]: With dead ends: 40891 [2019-10-07 12:55:51,478 INFO L226 Difference]: Without dead ends: 20455 [2019-10-07 12:55:51,530 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 12:55:51,550 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20455 states. [2019-10-07 12:55:52,713 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20455 to 20444. [2019-10-07 12:55:52,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20444 states. [2019-10-07 12:55:52,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20444 states to 20444 states and 28259 transitions. [2019-10-07 12:55:52,788 INFO L78 Accepts]: Start accepts. Automaton has 20444 states and 28259 transitions. Word has length 111 [2019-10-07 12:55:52,788 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 12:55:52,788 INFO L462 AbstractCegarLoop]: Abstraction has 20444 states and 28259 transitions. [2019-10-07 12:55:52,789 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 12:55:52,789 INFO L276 IsEmpty]: Start isEmpty. Operand 20444 states and 28259 transitions. [2019-10-07 12:55:52,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2019-10-07 12:55:52,795 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 12:55:52,796 INFO L385 BasicCegarLoop]: trace histogram [7, 7, 7, 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] [2019-10-07 12:55:52,796 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 12:55:52,796 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 12:55:52,796 INFO L82 PathProgramCache]: Analyzing trace with hash 1710432960, now seen corresponding path program 1 times [2019-10-07 12:55:52,796 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 12:55:52,797 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 12:55:52,797 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 12:55:52,797 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 12:55:52,797 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 12:55:52,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 12:55:53,291 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2019-10-07 12:55:53,291 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 12:55:53,292 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 12:55:53,292 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2019-10-07 12:55:53,292 INFO L442 AbstractCegarLoop]: Interpolant automaton has 15 states [2019-10-07 12:55:53,293 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2019-10-07 12:55:53,293 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=183, Unknown=0, NotChecked=0, Total=210 [2019-10-07 12:55:53,293 INFO L87 Difference]: Start difference. First operand 20444 states and 28259 transitions. Second operand 15 states. [2019-10-07 12:55:59,202 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 12:55:59,202 INFO L93 Difference]: Finished difference Result 35092 states and 48310 transitions. [2019-10-07 12:55:59,203 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2019-10-07 12:55:59,203 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 116 [2019-10-07 12:55:59,203 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 12:55:59,270 INFO L225 Difference]: With dead ends: 35092 [2019-10-07 12:55:59,271 INFO L226 Difference]: Without dead ends: 14622 [2019-10-07 12:55:59,321 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 7 SyntacticMatches, 2 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 206 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=153, Invalid=1179, Unknown=0, NotChecked=0, Total=1332 [2019-10-07 12:55:59,336 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14622 states. [2019-10-07 12:56:00,279 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14622 to 13345. [2019-10-07 12:56:00,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13345 states. [2019-10-07 12:56:00,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13345 states to 13345 states and 18337 transitions. [2019-10-07 12:56:00,320 INFO L78 Accepts]: Start accepts. Automaton has 13345 states and 18337 transitions. Word has length 116 [2019-10-07 12:56:00,320 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 12:56:00,320 INFO L462 AbstractCegarLoop]: Abstraction has 13345 states and 18337 transitions. [2019-10-07 12:56:00,320 INFO L463 AbstractCegarLoop]: Interpolant automaton has 15 states. [2019-10-07 12:56:00,320 INFO L276 IsEmpty]: Start isEmpty. Operand 13345 states and 18337 transitions. [2019-10-07 12:56:00,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2019-10-07 12:56:00,326 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 12:56:00,326 INFO L385 BasicCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 12:56:00,326 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 12:56:00,326 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 12:56:00,326 INFO L82 PathProgramCache]: Analyzing trace with hash -1431962250, now seen corresponding path program 1 times [2019-10-07 12:56:00,327 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 12:56:00,327 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 12:56:00,327 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 12:56:00,327 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 12:56:00,327 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 12:56:00,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 12:56:00,554 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2019-10-07 12:56:00,555 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 12:56:00,555 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 12:56:00,555 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-10-07 12:56:00,555 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-07 12:56:00,556 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-07 12:56:00,556 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-10-07 12:56:00,556 INFO L87 Difference]: Start difference. First operand 13345 states and 18337 transitions. Second operand 8 states. [2019-10-07 12:56:00,882 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 12:56:00,883 INFO L93 Difference]: Finished difference Result 23344 states and 32065 transitions. [2019-10-07 12:56:00,883 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-07 12:56:00,883 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 126 [2019-10-07 12:56:00,883 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 12:56:00,913 INFO L225 Difference]: With dead ends: 23344 [2019-10-07 12:56:00,913 INFO L226 Difference]: Without dead ends: 11065 [2019-10-07 12:56:00,950 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2019-10-07 12:56:00,960 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11065 states. [2019-10-07 12:56:01,357 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11065 to 11061. [2019-10-07 12:56:01,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11061 states. [2019-10-07 12:56:01,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11061 states to 11061 states and 15197 transitions. [2019-10-07 12:56:01,383 INFO L78 Accepts]: Start accepts. Automaton has 11061 states and 15197 transitions. Word has length 126 [2019-10-07 12:56:01,383 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 12:56:01,383 INFO L462 AbstractCegarLoop]: Abstraction has 11061 states and 15197 transitions. [2019-10-07 12:56:01,383 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-07 12:56:01,383 INFO L276 IsEmpty]: Start isEmpty. Operand 11061 states and 15197 transitions. [2019-10-07 12:56:01,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2019-10-07 12:56:01,390 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 12:56:01,391 INFO L385 BasicCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 12:56:01,391 INFO L410 AbstractCegarLoop]: === Iteration 10 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 12:56:01,391 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 12:56:01,391 INFO L82 PathProgramCache]: Analyzing trace with hash -69169229, now seen corresponding path program 1 times [2019-10-07 12:56:01,391 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 12:56:01,392 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 12:56:01,392 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 12:56:01,392 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 12:56:01,392 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 12:56:01,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 12:56:01,636 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2019-10-07 12:56:01,637 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 12:56:01,637 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 12:56:01,637 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-10-07 12:56:01,638 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-07 12:56:01,638 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-07 12:56:01,638 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-10-07 12:56:01,639 INFO L87 Difference]: Start difference. First operand 11061 states and 15197 transitions. Second operand 8 states. [2019-10-07 12:56:02,990 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 12:56:02,990 INFO L93 Difference]: Finished difference Result 12217 states and 16753 transitions. [2019-10-07 12:56:02,990 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-07 12:56:02,991 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 137 [2019-10-07 12:56:02,991 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 12:56:03,015 INFO L225 Difference]: With dead ends: 12217 [2019-10-07 12:56:03,016 INFO L226 Difference]: Without dead ends: 7788 [2019-10-07 12:56:03,027 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2019-10-07 12:56:03,034 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7788 states. [2019-10-07 12:56:03,242 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7788 to 6597. [2019-10-07 12:56:03,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6597 states. [2019-10-07 12:56:03,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6597 states to 6597 states and 9067 transitions. [2019-10-07 12:56:03,257 INFO L78 Accepts]: Start accepts. Automaton has 6597 states and 9067 transitions. Word has length 137 [2019-10-07 12:56:03,257 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 12:56:03,257 INFO L462 AbstractCegarLoop]: Abstraction has 6597 states and 9067 transitions. [2019-10-07 12:56:03,257 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-07 12:56:03,257 INFO L276 IsEmpty]: Start isEmpty. Operand 6597 states and 9067 transitions. [2019-10-07 12:56:03,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2019-10-07 12:56:03,263 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 12:56:03,264 INFO L385 BasicCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 12:56:03,264 INFO L410 AbstractCegarLoop]: === Iteration 11 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 12:56:03,264 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 12:56:03,264 INFO L82 PathProgramCache]: Analyzing trace with hash 687847306, now seen corresponding path program 1 times [2019-10-07 12:56:03,265 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 12:56:03,265 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 12:56:03,265 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 12:56:03,265 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 12:56:03,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 12:56:03,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 12:56:03,494 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2019-10-07 12:56:03,495 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 12:56:03,495 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 12:56:03,495 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-10-07 12:56:03,496 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-07 12:56:03,496 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-07 12:56:03,496 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-10-07 12:56:03,497 INFO L87 Difference]: Start difference. First operand 6597 states and 9067 transitions. Second operand 8 states. [2019-10-07 12:56:03,821 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 12:56:03,821 INFO L93 Difference]: Finished difference Result 13166 states and 18098 transitions. [2019-10-07 12:56:03,822 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-07 12:56:03,822 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 140 [2019-10-07 12:56:03,823 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 12:56:03,848 INFO L225 Difference]: With dead ends: 13166 [2019-10-07 12:56:03,849 INFO L226 Difference]: Without dead ends: 6590 [2019-10-07 12:56:03,864 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2019-10-07 12:56:03,871 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6590 states. [2019-10-07 12:56:04,087 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6590 to 6590. [2019-10-07 12:56:04,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6590 states. [2019-10-07 12:56:04,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6590 states to 6590 states and 9056 transitions. [2019-10-07 12:56:04,104 INFO L78 Accepts]: Start accepts. Automaton has 6590 states and 9056 transitions. Word has length 140 [2019-10-07 12:56:04,104 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 12:56:04,105 INFO L462 AbstractCegarLoop]: Abstraction has 6590 states and 9056 transitions. [2019-10-07 12:56:04,105 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-07 12:56:04,105 INFO L276 IsEmpty]: Start isEmpty. Operand 6590 states and 9056 transitions. [2019-10-07 12:56:04,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2019-10-07 12:56:04,111 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 12:56:04,112 INFO L385 BasicCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 12:56:04,112 INFO L410 AbstractCegarLoop]: === Iteration 12 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 12:56:04,112 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 12:56:04,112 INFO L82 PathProgramCache]: Analyzing trace with hash -485500715, now seen corresponding path program 1 times [2019-10-07 12:56:04,113 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 12:56:04,113 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 12:56:04,113 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 12:56:04,113 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 12:56:04,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 12:56:04,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 12:56:04,338 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2019-10-07 12:56:04,338 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 12:56:04,338 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 12:56:04,339 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-10-07 12:56:04,339 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-07 12:56:04,339 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-07 12:56:04,340 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-10-07 12:56:04,340 INFO L87 Difference]: Start difference. First operand 6590 states and 9056 transitions. Second operand 8 states. [2019-10-07 12:56:04,524 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 12:56:04,524 INFO L93 Difference]: Finished difference Result 6628 states and 9092 transitions. [2019-10-07 12:56:04,524 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-07 12:56:04,525 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 138 [2019-10-07 12:56:04,528 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 12:56:04,541 INFO L225 Difference]: With dead ends: 6628 [2019-10-07 12:56:04,541 INFO L226 Difference]: Without dead ends: 4447 [2019-10-07 12:56:04,548 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2019-10-07 12:56:04,552 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4447 states. [2019-10-07 12:56:04,684 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4447 to 4447. [2019-10-07 12:56:04,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4447 states. [2019-10-07 12:56:04,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4447 states to 4447 states and 6092 transitions. [2019-10-07 12:56:04,694 INFO L78 Accepts]: Start accepts. Automaton has 4447 states and 6092 transitions. Word has length 138 [2019-10-07 12:56:04,694 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 12:56:04,694 INFO L462 AbstractCegarLoop]: Abstraction has 4447 states and 6092 transitions. [2019-10-07 12:56:04,695 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-07 12:56:04,695 INFO L276 IsEmpty]: Start isEmpty. Operand 4447 states and 6092 transitions. [2019-10-07 12:56:04,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2019-10-07 12:56:04,700 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 12:56:04,700 INFO L385 BasicCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 12:56:04,700 INFO L410 AbstractCegarLoop]: === Iteration 13 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 12:56:04,700 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 12:56:04,701 INFO L82 PathProgramCache]: Analyzing trace with hash -342470918, now seen corresponding path program 1 times [2019-10-07 12:56:04,701 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 12:56:04,701 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 12:56:04,701 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 12:56:04,701 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 12:56:04,701 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 12:56:04,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 12:56:05,110 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2019-10-07 12:56:05,111 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 12:56:05,111 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 12:56:05,111 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2019-10-07 12:56:05,112 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-10-07 12:56:05,112 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-10-07 12:56:05,112 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2019-10-07 12:56:05,113 INFO L87 Difference]: Start difference. First operand 4447 states and 6092 transitions. Second operand 11 states. [2019-10-07 12:56:05,650 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 12:56:05,650 INFO L93 Difference]: Finished difference Result 7830 states and 10708 transitions. [2019-10-07 12:56:05,651 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-10-07 12:56:05,651 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 140 [2019-10-07 12:56:05,651 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 12:56:05,662 INFO L225 Difference]: With dead ends: 7830 [2019-10-07 12:56:05,662 INFO L226 Difference]: Without dead ends: 3404 [2019-10-07 12:56:05,671 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=57, Invalid=285, Unknown=0, NotChecked=0, Total=342 [2019-10-07 12:56:05,674 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3404 states. [2019-10-07 12:56:05,775 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3404 to 3402. [2019-10-07 12:56:05,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3402 states. [2019-10-07 12:56:05,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3402 states to 3402 states and 4639 transitions. [2019-10-07 12:56:05,783 INFO L78 Accepts]: Start accepts. Automaton has 3402 states and 4639 transitions. Word has length 140 [2019-10-07 12:56:05,783 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 12:56:05,784 INFO L462 AbstractCegarLoop]: Abstraction has 3402 states and 4639 transitions. [2019-10-07 12:56:05,784 INFO L463 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-10-07 12:56:05,784 INFO L276 IsEmpty]: Start isEmpty. Operand 3402 states and 4639 transitions. [2019-10-07 12:56:05,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2019-10-07 12:56:05,789 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 12:56:05,789 INFO L385 BasicCegarLoop]: trace histogram [7, 7, 7, 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] [2019-10-07 12:56:05,789 INFO L410 AbstractCegarLoop]: === Iteration 14 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 12:56:05,789 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 12:56:05,789 INFO L82 PathProgramCache]: Analyzing trace with hash -1038707199, now seen corresponding path program 1 times [2019-10-07 12:56:05,790 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 12:56:05,790 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 12:56:05,790 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 12:56:05,790 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 12:56:05,790 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 12:56:05,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 12:56:06,046 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2019-10-07 12:56:06,047 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 12:56:06,047 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 12:56:06,047 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2019-10-07 12:56:06,048 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-10-07 12:56:06,048 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-10-07 12:56:06,048 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2019-10-07 12:56:06,048 INFO L87 Difference]: Start difference. First operand 3402 states and 4639 transitions. Second operand 11 states. [2019-10-07 12:56:08,492 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 12:56:08,493 INFO L93 Difference]: Finished difference Result 4685 states and 6337 transitions. [2019-10-07 12:56:08,493 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-10-07 12:56:08,493 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 149 [2019-10-07 12:56:08,493 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 12:56:08,498 INFO L225 Difference]: With dead ends: 4685 [2019-10-07 12:56:08,498 INFO L226 Difference]: Without dead ends: 2320 [2019-10-07 12:56:08,502 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2019-10-07 12:56:08,505 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2320 states. [2019-10-07 12:56:08,575 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2320 to 2318. [2019-10-07 12:56:08,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2318 states. [2019-10-07 12:56:08,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2318 states to 2318 states and 3143 transitions. [2019-10-07 12:56:08,580 INFO L78 Accepts]: Start accepts. Automaton has 2318 states and 3143 transitions. Word has length 149 [2019-10-07 12:56:08,580 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 12:56:08,580 INFO L462 AbstractCegarLoop]: Abstraction has 2318 states and 3143 transitions. [2019-10-07 12:56:08,580 INFO L463 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-10-07 12:56:08,580 INFO L276 IsEmpty]: Start isEmpty. Operand 2318 states and 3143 transitions. [2019-10-07 12:56:08,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2019-10-07 12:56:08,584 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 12:56:08,585 INFO L385 BasicCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 12:56:08,585 INFO L410 AbstractCegarLoop]: === Iteration 15 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 12:56:08,585 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 12:56:08,585 INFO L82 PathProgramCache]: Analyzing trace with hash -1875636404, now seen corresponding path program 1 times [2019-10-07 12:56:08,585 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 12:56:08,586 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 12:56:08,586 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 12:56:08,586 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 12:56:08,586 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 12:56:08,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 12:56:08,772 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2019-10-07 12:56:08,773 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 12:56:08,773 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 12:56:08,773 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 12:56:08,773 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 12:56:08,774 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 12:56:08,774 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 12:56:08,774 INFO L87 Difference]: Start difference. First operand 2318 states and 3143 transitions. Second operand 3 states. [2019-10-07 12:56:11,143 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 12:56:11,143 INFO L93 Difference]: Finished difference Result 2322 states and 3145 transitions. [2019-10-07 12:56:11,143 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 12:56:11,143 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 152 [2019-10-07 12:56:11,144 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 12:56:11,148 INFO L225 Difference]: With dead ends: 2322 [2019-10-07 12:56:11,148 INFO L226 Difference]: Without dead ends: 2292 [2019-10-07 12:56:11,150 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 12:56:11,152 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2292 states. [2019-10-07 12:56:11,212 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2292 to 2290. [2019-10-07 12:56:11,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2290 states. [2019-10-07 12:56:11,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2290 states to 2290 states and 3113 transitions. [2019-10-07 12:56:11,217 INFO L78 Accepts]: Start accepts. Automaton has 2290 states and 3113 transitions. Word has length 152 [2019-10-07 12:56:11,217 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 12:56:11,217 INFO L462 AbstractCegarLoop]: Abstraction has 2290 states and 3113 transitions. [2019-10-07 12:56:11,217 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 12:56:11,218 INFO L276 IsEmpty]: Start isEmpty. Operand 2290 states and 3113 transitions. [2019-10-07 12:56:11,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2019-10-07 12:56:11,221 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 12:56:11,221 INFO L385 BasicCegarLoop]: trace histogram [7, 7, 7, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 12:56:11,222 INFO L410 AbstractCegarLoop]: === Iteration 16 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 12:56:11,222 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 12:56:11,222 INFO L82 PathProgramCache]: Analyzing trace with hash -1279949520, now seen corresponding path program 1 times [2019-10-07 12:56:11,222 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 12:56:11,222 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 12:56:11,222 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 12:56:11,223 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 12:56:11,223 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 12:56:40,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-07 12:57:18,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-07 12:57:18,959 INFO L161 tionRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2019-10-07 12:57:18,960 INFO L451 BasicCegarLoop]: Counterexample might be feasible [2019-10-07 12:57:19,464 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: Expression #t~switch791 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement [2019-10-07 12:57:19,480 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: Expression #t~switch791 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement [2019-10-07 12:57:19,481 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: Expression #t~switch797 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement [2019-10-07 12:57:19,492 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: Expression #t~switch791 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement [2019-10-07 12:57:19,492 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: Expression #t~switch797 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement [2019-10-07 12:57:19,979 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: Expression #t~switch791 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement [2019-10-07 12:57:19,980 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: Expression #t~switch797 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement [2019-10-07 12:57:19,987 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: Expression #t~switch791 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement [2019-10-07 12:57:19,987 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: Expression #t~switch797 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement [2019-10-07 12:57:19,995 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: Expression #t~switch791 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement [2019-10-07 12:57:19,995 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: Expression #t~switch797 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement [2019-10-07 12:57:20,035 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: Expression #t~switch791 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement [2019-10-07 12:57:20,036 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: Expression #t~switch797 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement [2019-10-07 12:57:20,042 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: Expression #t~switch791 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement [2019-10-07 12:57:20,043 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: Expression #t~switch797 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement [2019-10-07 12:57:20,050 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: Expression #t~switch791 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement [2019-10-07 12:57:20,051 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: Expression #t~switch797 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement [2019-10-07 12:57:20,058 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: Expression #t~switch791 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement [2019-10-07 12:57:20,058 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: Expression #t~switch797 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement [2019-10-07 12:57:20,262 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.10 12:57:20 BoogieIcfgContainer [2019-10-07 12:57:20,263 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-07 12:57:20,265 INFO L168 Benchmark]: Toolchain (without parser) took 178449.18 ms. Allocated memory was 146.8 MB in the beginning and 2.9 GB in the end (delta: 2.8 GB). Free memory was 97.3 MB in the beginning and 2.6 GB in the end (delta: -2.6 GB). Peak memory consumption was 2.7 GB. Max. memory is 7.1 GB. [2019-10-07 12:57:20,270 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 146.8 MB. Free memory was 123.2 MB in the beginning and 123.0 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-10-07 12:57:20,272 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2552.70 ms. Allocated memory was 146.8 MB in the beginning and 244.8 MB in the end (delta: 98.0 MB). Free memory was 96.9 MB in the beginning and 145.3 MB in the end (delta: -48.4 MB). Peak memory consumption was 82.6 MB. Max. memory is 7.1 GB. [2019-10-07 12:57:20,273 INFO L168 Benchmark]: Boogie Preprocessor took 344.73 ms. Allocated memory is still 244.8 MB. Free memory was 145.3 MB in the beginning and 121.0 MB in the end (delta: 24.3 MB). Peak memory consumption was 24.3 MB. Max. memory is 7.1 GB. [2019-10-07 12:57:20,274 INFO L168 Benchmark]: RCFGBuilder took 54712.77 ms. Allocated memory was 244.8 MB in the beginning and 1.0 GB in the end (delta: 791.7 MB). Free memory was 121.0 MB in the beginning and 880.8 MB in the end (delta: -759.8 MB). Peak memory consumption was 898.2 MB. Max. memory is 7.1 GB. [2019-10-07 12:57:20,275 INFO L168 Benchmark]: TraceAbstraction took 120834.08 ms. Allocated memory was 1.0 GB in the beginning and 2.9 GB in the end (delta: 1.9 GB). Free memory was 880.8 MB in the beginning and 2.6 GB in the end (delta: -1.8 GB). Peak memory consumption was 2.6 GB. Max. memory is 7.1 GB. [2019-10-07 12:57:20,286 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 146.8 MB. Free memory was 123.2 MB in the beginning and 123.0 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 2552.70 ms. Allocated memory was 146.8 MB in the beginning and 244.8 MB in the end (delta: 98.0 MB). Free memory was 96.9 MB in the beginning and 145.3 MB in the end (delta: -48.4 MB). Peak memory consumption was 82.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 344.73 ms. Allocated memory is still 244.8 MB. Free memory was 145.3 MB in the beginning and 121.0 MB in the end (delta: 24.3 MB). Peak memory consumption was 24.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 54712.77 ms. Allocated memory was 244.8 MB in the beginning and 1.0 GB in the end (delta: 791.7 MB). Free memory was 121.0 MB in the beginning and 880.8 MB in the end (delta: -759.8 MB). Peak memory consumption was 898.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 120834.08 ms. Allocated memory was 1.0 GB in the beginning and 2.9 GB in the end (delta: 1.9 GB). Free memory was 880.8 MB in the beginning and 2.6 GB in the end (delta: -1.8 GB). Peak memory consumption was 2.6 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression #t~switch791 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression #t~switch791 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression #t~switch797 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression #t~switch791 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression #t~switch797 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression #t~switch791 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression #t~switch797 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression #t~switch791 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression #t~switch797 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression #t~switch791 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression #t~switch797 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression #t~switch791 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression #t~switch797 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression #t~switch791 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression #t~switch797 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression #t~switch791 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression #t~switch797 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression #t~switch791 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression #t~switch797 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 3229]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of large string literal at line 5423. Possible FailurePath: [L3252] int LDV_IN_INTERRUPT = 1; [L3253] int ldv_state_variable_2 ; [L3254] int ref_cnt ; [L3255] int ldv_state_variable_1 ; [L3256] struct file *printer_io_operations_group2 ; [L3257] struct inode *printer_io_operations_group1 ; [L3258] int ldv_state_variable_0 ; [L3259] struct usb_gadget *printer_driver_group0 ; [L3743] static unsigned int epnum ; [L3915-L3918] static struct mutex printer_mutex = {{1}, {{{{0U}, 3735899821U, 4294967295U, (void *)-1, {0, 0, "printer_mutex.wait_lock", 0, 0UL}}}}, {& printer_mutex.wait_list, & printer_mutex.wait_list}, 0, 0, (void *)(& printer_mutex), {0, 0, "printer_mutex", 0, 0UL}}; [L3919-L3921] static char const shortname[8U] = { 'p', 'r', 'i', 'n', 't', 'e', 'r', '\000'}; [L3922-L3926] static char const driver_desc[15U] = { 'P', 'r', 'i', 'n', 't', 'e', 'r', ' ', 'G', 'a', 'd', 'g', 'e', 't', '\000'}; [L3927] static dev_t g_printer_devno ; [L3928] static struct class *usb_gadget_class ; [L3929] static struct printer_dev usb_printer_gadget ; [L3930] static ushort idVendor ; [L3931] static ushort idProduct ; [L3932] static ushort bcdDevice ; [L3933] static char *iManufacturer ; [L3934] static char *iProduct ; [L3935] static char *iSerialNum ; [L3936] static char *iPNPstring ; [L3937] static unsigned int qlen = 10U; [L3938-L3940] static struct usb_device_descriptor device_desc = {18U, 1U, 512U, 0U, 0U, 0U, (unsigned char)0, 1317U, 42152U, (unsigned short)0, 1U, 2U, 3U, 1U}; [L3941] static struct usb_otg_descriptor otg_desc = {3U, 9U, 1U}; [L3942-L3943] static struct usb_config_descriptor config_desc = {9U, 2U, (unsigned short)0, 1U, 1U, 0U, 192U, 1U}; [L3944-L3945] static struct usb_interface_descriptor intf_desc = {9U, 4U, 0U, (unsigned char)0, 2U, 7U, 1U, 2U, 0U}; [L3946-L3947] static struct usb_endpoint_descriptor fs_ep_in_desc = {7U, 5U, 128U, 2U, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0}; [L3948-L3949] static struct usb_endpoint_descriptor fs_ep_out_desc = {7U, 5U, 0U, 2U, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0}; [L3950-L3951] static struct usb_descriptor_header const *fs_printer_function[11U] = { (struct usb_descriptor_header const *)(& otg_desc), (struct usb_descriptor_header const *)(& intf_desc), (struct usb_descriptor_header const *)(& fs_ep_in_desc), (struct usb_descriptor_header const *)(& fs_ep_out_desc), (struct usb_descriptor_header const *)0}; [L3952-L3953] static struct usb_endpoint_descriptor hs_ep_in_desc = {7U, 5U, (unsigned char)0, 2U, 512U, (unsigned char)0, (unsigned char)0, (unsigned char)0}; [L3954-L3955] static struct usb_endpoint_descriptor hs_ep_out_desc = {7U, 5U, (unsigned char)0, 2U, 512U, (unsigned char)0, (unsigned char)0, (unsigned char)0}; [L3956-L3957] static struct usb_qualifier_descriptor dev_qualifier = {10U, 6U, 512U, 7U, (unsigned char)0, (unsigned char)0, (unsigned char)0, 1U, (unsigned char)0}; [L3958-L3959] static struct usb_descriptor_header const *hs_printer_function[11U] = { (struct usb_descriptor_header const *)(& otg_desc), (struct usb_descriptor_header const *)(& intf_desc), (struct usb_descriptor_header const *)(& hs_ep_in_desc), (struct usb_descriptor_header const *)(& hs_ep_out_desc), (struct usb_descriptor_header const *)0}; [L3960] static char manufacturer[50U] ; [L3961-L3965] static char product_desc[40U] = { 'P', 'r', 'i', 'n', 't', 'e', 'r', ' ', 'G', 'a', 'd', 'g', 'e', 't', '\000'}; [L3966] static char serial_num[40U] = { '1', '\000'}; [L3967-L3978] static char pnp_string[1024U] = { 'X', 'X', 'M', 'F', 'G', ':', 'l', 'i', 'n', 'u', 'x', ';', 'M', 'D', 'L', ':', 'g', '_', 'p', 'r', 'i', 'n', 't', 'e', 'r', ';', 'C', 'L', 'S', ':', 'P', 'R', 'I', 'N', 'T', 'E', 'R', ';', 'S', 'N', ':', '1', ';', '\000'}; [L3979-L3981] static struct usb_string strings[4U] = { {1U, (char const *)(& manufacturer)}, {2U, (char const *)(& product_desc)}, {3U, (char const *)(& serial_num)}}; [L3982] static struct usb_gadget_strings stringtab = {1033U, (struct usb_string *)(& strings)}; [L4623-L4626] static struct file_operations const printer_io_operations = {& __this_module, 0, & printer_read, & printer_write, 0, 0, 0, & printer_poll, & printer_ioctl, 0, 0, & printer_open, 0, & printer_close, & printer_fsync, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}; [L5401-L5404] static struct usb_gadget_driver printer_driver = {(char *)(& driver_desc), 3, & printer_bind, & printer_unbind, & printer_setup, & printer_disconnect, 0, 0, {(char const *)(& shortname), 0, & __this_module, 0, (_Bool)0, 0, 0, 0, 0, 0, 0, 0, 0}}; [L5456] int ldv_retval_0 ; [L5457] int ldv_retval_1 ; [L5460] int ldv_retval_3 ; [L5461] int ldv_retval_2 ; [L5885] int ldv_usb_gadget_class = 0; [L5886] int ldv_usb_gadget_chrdev = 0; [L5887] int ldv_usb_gadget = 0; [L5485] struct usb_ctrlrequest *ldvarg0 ; [L5486] void *tmp ; [L5487] char *ldvarg7 ; [L5488] void *tmp___0 ; [L5489] struct poll_table_struct *ldvarg3 ; [L5490] void *tmp___1 ; [L5491] loff_t *ldvarg5 ; [L5492] void *tmp___2 ; [L5493] size_t ldvarg6 ; [L5494] size_t tmp___3 ; [L5495] unsigned long ldvarg1 ; [L5496] unsigned long tmp___4 ; [L5497] loff_t *ldvarg8 ; [L5498] void *tmp___5 ; [L5499] int ldvarg4 ; [L5500] int tmp___6 ; [L5501] char *ldvarg10 ; [L5502] void *tmp___7 ; [L5503] size_t ldvarg9 ; [L5504] size_t tmp___8 ; [L5505] unsigned int ldvarg2 ; [L5506] unsigned int tmp___9 ; [L5507] int tmp___10 ; [L5508] int tmp___11 ; [L5509] int tmp___12 ; [L5510] int tmp___13 ; VAL [\old(epnum)=0, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_retval_2)=0, \old(ldv_retval_3)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ldv_usb_gadget)=0, \old(ldv_usb_gadget_chrdev)=0, \old(ldv_usb_gadget_class)=0, \old(printer_driver_group0)=0, \old(printer_driver_group0)=0, \old(printer_io_operations_group1)=0, \old(printer_io_operations_group1)=0, \old(printer_io_operations_group2)=0, \old(printer_io_operations_group2)=0, \old(ref_cnt)=0, \old(usb_gadget_class)=0, \old(usb_gadget_class)=0, __this_module={4294967371:4294967700}, bcdDevice=0, config_desc={-183:0}, dev_qualifier={-362:0}, device_desc={-2:0}, driver_desc={91:0}, epnum=0, fs_ep_in_desc={-198:0}, fs_ep_out_desc={-89:0}, fs_printer_function={-148:0}, g_printer_devno={-173:0}, hs_ep_in_desc={-81:0}, hs_ep_out_desc={-147:0}, hs_printer_function={-87:0}, idProduct=0, idVendor=0, iManufacturer={0:0}, intf_desc={-88:0}, iPNPstring={0:0}, iProduct={0:0}, iSerialNum={0:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_usb_gadget=0, ldv_usb_gadget_chrdev=0, ldv_usb_gadget_class=0, manufacturer={93:0}, otg_desc={22:0}, pnp_string={12:0}, printer_driver={-243:0}, printer_driver_group0={0:0}, printer_io_operations={-72:0}, printer_io_operations_group1={0:0}, printer_io_operations_group2={0:0}, printer_mutex={-178:0}, product_desc={-90:0}, qlen=10, ref_cnt=0, serial_num={-146:0}, shortname={122:0}, strings={-149:0}, stringtab={51:0}, usb_gadget_class={0:0}, usb_printer_gadget={-110:0}] [L5512] CALL, EXPR ldv_zalloc(8UL) VAL [\old(epnum)=0, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_retval_2)=0, \old(ldv_retval_3)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ldv_usb_gadget)=0, \old(ldv_usb_gadget_chrdev)=0, \old(ldv_usb_gadget_class)=0, \old(printer_driver_group0)=0, \old(printer_driver_group0)=0, \old(printer_io_operations_group1)=0, \old(printer_io_operations_group1)=0, \old(printer_io_operations_group2)=0, \old(printer_io_operations_group2)=0, \old(ref_cnt)=0, \old(size)=8, \old(usb_gadget_class)=0, \old(usb_gadget_class)=0, __this_module={4294967371:4294967700}, bcdDevice=0, config_desc={-183:0}, dev_qualifier={-362:0}, device_desc={-2:0}, driver_desc={91:0}, epnum=0, fs_ep_in_desc={-198:0}, fs_ep_out_desc={-89:0}, fs_printer_function={-148:0}, g_printer_devno={-173:0}, hs_ep_in_desc={-81:0}, hs_ep_out_desc={-147:0}, hs_printer_function={-87:0}, idProduct=0, idVendor=0, iManufacturer={0:0}, intf_desc={-88:0}, iPNPstring={0:0}, iProduct={0:0}, iSerialNum={0:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_usb_gadget=0, ldv_usb_gadget_chrdev=0, ldv_usb_gadget_class=0, manufacturer={93:0}, otg_desc={22:0}, pnp_string={12:0}, printer_driver={-243:0}, printer_driver_group0={0:0}, printer_io_operations={-72:0}, printer_io_operations_group1={0:0}, printer_io_operations_group2={0:0}, printer_mutex={-178:0}, product_desc={-90:0}, qlen=10, ref_cnt=0, serial_num={-146:0}, shortname={122:0}, strings={-149:0}, stringtab={51:0}, usb_gadget_class={0:0}, usb_printer_gadget={-110:0}] [L3186] void *p ; [L3187] void *tmp ; [L3188] int tmp___0 ; [L3190] tmp___0 = __VERIFIER_nondet_int() [L3191] COND TRUE tmp___0 != 0 [L3192] return ((void *)0); VAL [\old(epnum)=0, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_retval_2)=0, \old(ldv_retval_3)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ldv_usb_gadget)=0, \old(ldv_usb_gadget_chrdev)=0, \old(ldv_usb_gadget_class)=0, \old(printer_driver_group0)=0, \old(printer_driver_group0)=0, \old(printer_io_operations_group1)=0, \old(printer_io_operations_group1)=0, \old(printer_io_operations_group2)=0, \old(printer_io_operations_group2)=0, \old(ref_cnt)=0, \old(size)=8, \old(usb_gadget_class)=0, \old(usb_gadget_class)=0, \result={0:0}, __this_module={4294967371:4294967700}, bcdDevice=0, config_desc={-183:0}, dev_qualifier={-362:0}, device_desc={-2:0}, driver_desc={91:0}, epnum=0, fs_ep_in_desc={-198:0}, fs_ep_out_desc={-89:0}, fs_printer_function={-148:0}, g_printer_devno={-173:0}, hs_ep_in_desc={-81:0}, hs_ep_out_desc={-147:0}, hs_printer_function={-87:0}, idProduct=0, idVendor=0, iManufacturer={0:0}, intf_desc={-88:0}, iPNPstring={0:0}, iProduct={0:0}, iSerialNum={0:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_usb_gadget=0, ldv_usb_gadget_chrdev=0, ldv_usb_gadget_class=0, manufacturer={93:0}, otg_desc={22:0}, pnp_string={12:0}, printer_driver={-243:0}, printer_driver_group0={0:0}, printer_io_operations={-72:0}, printer_io_operations_group1={0:0}, printer_io_operations_group2={0:0}, printer_mutex={-178:0}, product_desc={-90:0}, qlen=10, ref_cnt=0, serial_num={-146:0}, shortname={122:0}, size=8, strings={-149:0}, stringtab={51:0}, tmp___0=1, usb_gadget_class={0:0}, usb_printer_gadget={-110:0}] [L5512] RET, EXPR ldv_zalloc(8UL) VAL [\old(epnum)=0, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_retval_2)=0, \old(ldv_retval_3)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ldv_usb_gadget)=0, \old(ldv_usb_gadget_chrdev)=0, \old(ldv_usb_gadget_class)=0, \old(printer_driver_group0)=0, \old(printer_driver_group0)=0, \old(printer_io_operations_group1)=0, \old(printer_io_operations_group1)=0, \old(printer_io_operations_group2)=0, \old(printer_io_operations_group2)=0, \old(ref_cnt)=0, \old(usb_gadget_class)=0, \old(usb_gadget_class)=0, __this_module={4294967371:4294967700}, bcdDevice=0, config_desc={-183:0}, dev_qualifier={-362:0}, device_desc={-2:0}, driver_desc={91:0}, epnum=0, fs_ep_in_desc={-198:0}, fs_ep_out_desc={-89:0}, fs_printer_function={-148:0}, g_printer_devno={-173:0}, hs_ep_in_desc={-81:0}, hs_ep_out_desc={-147:0}, hs_printer_function={-87:0}, idProduct=0, idVendor=0, iManufacturer={0:0}, intf_desc={-88:0}, iPNPstring={0:0}, iProduct={0:0}, iSerialNum={0:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_usb_gadget=0, ldv_usb_gadget_chrdev=0, ldv_usb_gadget_class=0, ldv_zalloc(8UL)={0:0}, manufacturer={93:0}, otg_desc={22:0}, pnp_string={12:0}, printer_driver={-243:0}, printer_driver_group0={0:0}, printer_io_operations={-72:0}, printer_io_operations_group1={0:0}, printer_io_operations_group2={0:0}, printer_mutex={-178:0}, product_desc={-90:0}, qlen=10, ref_cnt=0, serial_num={-146:0}, shortname={122:0}, strings={-149:0}, stringtab={51:0}, usb_gadget_class={0:0}, usb_printer_gadget={-110:0}] [L5512] tmp = ldv_zalloc(8UL) [L5513] ldvarg0 = (struct usb_ctrlrequest *)tmp VAL [\old(epnum)=0, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_retval_2)=0, \old(ldv_retval_3)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ldv_usb_gadget)=0, \old(ldv_usb_gadget_chrdev)=0, \old(ldv_usb_gadget_class)=0, \old(printer_driver_group0)=0, \old(printer_driver_group0)=0, \old(printer_io_operations_group1)=0, \old(printer_io_operations_group1)=0, \old(printer_io_operations_group2)=0, \old(printer_io_operations_group2)=0, \old(ref_cnt)=0, \old(usb_gadget_class)=0, \old(usb_gadget_class)=0, __this_module={4294967371:4294967700}, bcdDevice=0, config_desc={-183:0}, dev_qualifier={-362:0}, device_desc={-2:0}, driver_desc={91:0}, epnum=0, fs_ep_in_desc={-198:0}, fs_ep_out_desc={-89:0}, fs_printer_function={-148:0}, g_printer_devno={-173:0}, hs_ep_in_desc={-81:0}, hs_ep_out_desc={-147:0}, hs_printer_function={-87:0}, idProduct=0, idVendor=0, iManufacturer={0:0}, intf_desc={-88:0}, iPNPstring={0:0}, iProduct={0:0}, iSerialNum={0:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_usb_gadget=0, ldv_usb_gadget_chrdev=0, ldv_usb_gadget_class=0, ldvarg0={0:0}, manufacturer={93:0}, otg_desc={22:0}, pnp_string={12:0}, printer_driver={-243:0}, printer_driver_group0={0:0}, printer_io_operations={-72:0}, printer_io_operations_group1={0:0}, printer_io_operations_group2={0:0}, printer_mutex={-178:0}, product_desc={-90:0}, qlen=10, ref_cnt=0, serial_num={-146:0}, shortname={122:0}, strings={-149:0}, stringtab={51:0}, tmp={0:0}, usb_gadget_class={0:0}, usb_printer_gadget={-110:0}] [L5514] CALL, EXPR ldv_zalloc(1UL) VAL [\old(epnum)=0, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_retval_2)=0, \old(ldv_retval_3)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ldv_usb_gadget)=0, \old(ldv_usb_gadget_chrdev)=0, \old(ldv_usb_gadget_class)=0, \old(printer_driver_group0)=0, \old(printer_driver_group0)=0, \old(printer_io_operations_group1)=0, \old(printer_io_operations_group1)=0, \old(printer_io_operations_group2)=0, \old(printer_io_operations_group2)=0, \old(ref_cnt)=0, \old(size)=1, \old(usb_gadget_class)=0, \old(usb_gadget_class)=0, __this_module={4294967371:4294967700}, bcdDevice=0, config_desc={-183:0}, dev_qualifier={-362:0}, device_desc={-2:0}, driver_desc={91:0}, epnum=0, fs_ep_in_desc={-198:0}, fs_ep_out_desc={-89:0}, fs_printer_function={-148:0}, g_printer_devno={-173:0}, hs_ep_in_desc={-81:0}, hs_ep_out_desc={-147:0}, hs_printer_function={-87:0}, idProduct=0, idVendor=0, iManufacturer={0:0}, intf_desc={-88:0}, iPNPstring={0:0}, iProduct={0:0}, iSerialNum={0:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_usb_gadget=0, ldv_usb_gadget_chrdev=0, ldv_usb_gadget_class=0, manufacturer={93:0}, otg_desc={22:0}, pnp_string={12:0}, printer_driver={-243:0}, printer_driver_group0={0:0}, printer_io_operations={-72:0}, printer_io_operations_group1={0:0}, printer_io_operations_group2={0:0}, printer_mutex={-178:0}, product_desc={-90:0}, qlen=10, ref_cnt=0, serial_num={-146:0}, shortname={122:0}, strings={-149:0}, stringtab={51:0}, usb_gadget_class={0:0}, usb_printer_gadget={-110:0}] [L3186] void *p ; [L3187] void *tmp ; [L3188] int tmp___0 ; [L3190] tmp___0 = __VERIFIER_nondet_int() [L3191] COND TRUE tmp___0 != 0 [L3192] return ((void *)0); VAL [\old(epnum)=0, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_retval_2)=0, \old(ldv_retval_3)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ldv_usb_gadget)=0, \old(ldv_usb_gadget_chrdev)=0, \old(ldv_usb_gadget_class)=0, \old(printer_driver_group0)=0, \old(printer_driver_group0)=0, \old(printer_io_operations_group1)=0, \old(printer_io_operations_group1)=0, \old(printer_io_operations_group2)=0, \old(printer_io_operations_group2)=0, \old(ref_cnt)=0, \old(size)=1, \old(usb_gadget_class)=0, \old(usb_gadget_class)=0, \result={0:0}, __this_module={4294967371:4294967700}, bcdDevice=0, config_desc={-183:0}, dev_qualifier={-362:0}, device_desc={-2:0}, driver_desc={91:0}, epnum=0, fs_ep_in_desc={-198:0}, fs_ep_out_desc={-89:0}, fs_printer_function={-148:0}, g_printer_devno={-173:0}, hs_ep_in_desc={-81:0}, hs_ep_out_desc={-147:0}, hs_printer_function={-87:0}, idProduct=0, idVendor=0, iManufacturer={0:0}, intf_desc={-88:0}, iPNPstring={0:0}, iProduct={0:0}, iSerialNum={0:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_usb_gadget=0, ldv_usb_gadget_chrdev=0, ldv_usb_gadget_class=0, manufacturer={93:0}, otg_desc={22:0}, pnp_string={12:0}, printer_driver={-243:0}, printer_driver_group0={0:0}, printer_io_operations={-72:0}, printer_io_operations_group1={0:0}, printer_io_operations_group2={0:0}, printer_mutex={-178:0}, product_desc={-90:0}, qlen=10, ref_cnt=0, serial_num={-146:0}, shortname={122:0}, size=1, strings={-149:0}, stringtab={51:0}, tmp___0=1, usb_gadget_class={0:0}, usb_printer_gadget={-110:0}] [L5514] RET, EXPR ldv_zalloc(1UL) VAL [\old(epnum)=0, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_retval_2)=0, \old(ldv_retval_3)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ldv_usb_gadget)=0, \old(ldv_usb_gadget_chrdev)=0, \old(ldv_usb_gadget_class)=0, \old(printer_driver_group0)=0, \old(printer_driver_group0)=0, \old(printer_io_operations_group1)=0, \old(printer_io_operations_group1)=0, \old(printer_io_operations_group2)=0, \old(printer_io_operations_group2)=0, \old(ref_cnt)=0, \old(usb_gadget_class)=0, \old(usb_gadget_class)=0, __this_module={4294967371:4294967700}, bcdDevice=0, config_desc={-183:0}, dev_qualifier={-362:0}, device_desc={-2:0}, driver_desc={91:0}, epnum=0, fs_ep_in_desc={-198:0}, fs_ep_out_desc={-89:0}, fs_printer_function={-148:0}, g_printer_devno={-173:0}, hs_ep_in_desc={-81:0}, hs_ep_out_desc={-147:0}, hs_printer_function={-87:0}, idProduct=0, idVendor=0, iManufacturer={0:0}, intf_desc={-88:0}, iPNPstring={0:0}, iProduct={0:0}, iSerialNum={0:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_usb_gadget=0, ldv_usb_gadget_chrdev=0, ldv_usb_gadget_class=0, ldv_zalloc(1UL)={0:0}, ldvarg0={0:0}, manufacturer={93:0}, otg_desc={22:0}, pnp_string={12:0}, printer_driver={-243:0}, printer_driver_group0={0:0}, printer_io_operations={-72:0}, printer_io_operations_group1={0:0}, printer_io_operations_group2={0:0}, printer_mutex={-178:0}, product_desc={-90:0}, qlen=10, ref_cnt=0, serial_num={-146:0}, shortname={122:0}, strings={-149:0}, stringtab={51:0}, tmp={0:0}, usb_gadget_class={0:0}, usb_printer_gadget={-110:0}] [L5514] tmp___0 = ldv_zalloc(1UL) [L5515] ldvarg7 = (char *)tmp___0 VAL [\old(epnum)=0, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_retval_2)=0, \old(ldv_retval_3)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ldv_usb_gadget)=0, \old(ldv_usb_gadget_chrdev)=0, \old(ldv_usb_gadget_class)=0, \old(printer_driver_group0)=0, \old(printer_driver_group0)=0, \old(printer_io_operations_group1)=0, \old(printer_io_operations_group1)=0, \old(printer_io_operations_group2)=0, \old(printer_io_operations_group2)=0, \old(ref_cnt)=0, \old(usb_gadget_class)=0, \old(usb_gadget_class)=0, __this_module={4294967371:4294967700}, bcdDevice=0, config_desc={-183:0}, dev_qualifier={-362:0}, device_desc={-2:0}, driver_desc={91:0}, epnum=0, fs_ep_in_desc={-198:0}, fs_ep_out_desc={-89:0}, fs_printer_function={-148:0}, g_printer_devno={-173:0}, hs_ep_in_desc={-81:0}, hs_ep_out_desc={-147:0}, hs_printer_function={-87:0}, idProduct=0, idVendor=0, iManufacturer={0:0}, intf_desc={-88:0}, iPNPstring={0:0}, iProduct={0:0}, iSerialNum={0:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_usb_gadget=0, ldv_usb_gadget_chrdev=0, ldv_usb_gadget_class=0, ldvarg0={0:0}, ldvarg7={0:0}, manufacturer={93:0}, otg_desc={22:0}, pnp_string={12:0}, printer_driver={-243:0}, printer_driver_group0={0:0}, printer_io_operations={-72:0}, printer_io_operations_group1={0:0}, printer_io_operations_group2={0:0}, printer_mutex={-178:0}, product_desc={-90:0}, qlen=10, ref_cnt=0, serial_num={-146:0}, shortname={122:0}, strings={-149:0}, stringtab={51:0}, tmp={0:0}, tmp___0={0:0}, usb_gadget_class={0:0}, usb_printer_gadget={-110:0}] [L5516] CALL, EXPR ldv_zalloc(16UL) VAL [\old(epnum)=0, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_retval_2)=0, \old(ldv_retval_3)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ldv_usb_gadget)=0, \old(ldv_usb_gadget_chrdev)=0, \old(ldv_usb_gadget_class)=0, \old(printer_driver_group0)=0, \old(printer_driver_group0)=0, \old(printer_io_operations_group1)=0, \old(printer_io_operations_group1)=0, \old(printer_io_operations_group2)=0, \old(printer_io_operations_group2)=0, \old(ref_cnt)=0, \old(size)=16, \old(usb_gadget_class)=0, \old(usb_gadget_class)=0, __this_module={4294967371:4294967700}, bcdDevice=0, config_desc={-183:0}, dev_qualifier={-362:0}, device_desc={-2:0}, driver_desc={91:0}, epnum=0, fs_ep_in_desc={-198:0}, fs_ep_out_desc={-89:0}, fs_printer_function={-148:0}, g_printer_devno={-173:0}, hs_ep_in_desc={-81:0}, hs_ep_out_desc={-147:0}, hs_printer_function={-87:0}, idProduct=0, idVendor=0, iManufacturer={0:0}, intf_desc={-88:0}, iPNPstring={0:0}, iProduct={0:0}, iSerialNum={0:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_usb_gadget=0, ldv_usb_gadget_chrdev=0, ldv_usb_gadget_class=0, manufacturer={93:0}, otg_desc={22:0}, pnp_string={12:0}, printer_driver={-243:0}, printer_driver_group0={0:0}, printer_io_operations={-72:0}, printer_io_operations_group1={0:0}, printer_io_operations_group2={0:0}, printer_mutex={-178:0}, product_desc={-90:0}, qlen=10, ref_cnt=0, serial_num={-146:0}, shortname={122:0}, strings={-149:0}, stringtab={51:0}, usb_gadget_class={0:0}, usb_printer_gadget={-110:0}] [L3186] void *p ; [L3187] void *tmp ; [L3188] int tmp___0 ; [L3190] tmp___0 = __VERIFIER_nondet_int() [L3191] COND TRUE tmp___0 != 0 [L3192] return ((void *)0); VAL [\old(epnum)=0, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_retval_2)=0, \old(ldv_retval_3)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ldv_usb_gadget)=0, \old(ldv_usb_gadget_chrdev)=0, \old(ldv_usb_gadget_class)=0, \old(printer_driver_group0)=0, \old(printer_driver_group0)=0, \old(printer_io_operations_group1)=0, \old(printer_io_operations_group1)=0, \old(printer_io_operations_group2)=0, \old(printer_io_operations_group2)=0, \old(ref_cnt)=0, \old(size)=16, \old(usb_gadget_class)=0, \old(usb_gadget_class)=0, \result={0:0}, __this_module={4294967371:4294967700}, bcdDevice=0, config_desc={-183:0}, dev_qualifier={-362:0}, device_desc={-2:0}, driver_desc={91:0}, epnum=0, fs_ep_in_desc={-198:0}, fs_ep_out_desc={-89:0}, fs_printer_function={-148:0}, g_printer_devno={-173:0}, hs_ep_in_desc={-81:0}, hs_ep_out_desc={-147:0}, hs_printer_function={-87:0}, idProduct=0, idVendor=0, iManufacturer={0:0}, intf_desc={-88:0}, iPNPstring={0:0}, iProduct={0:0}, iSerialNum={0:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_usb_gadget=0, ldv_usb_gadget_chrdev=0, ldv_usb_gadget_class=0, manufacturer={93:0}, otg_desc={22:0}, pnp_string={12:0}, printer_driver={-243:0}, printer_driver_group0={0:0}, printer_io_operations={-72:0}, printer_io_operations_group1={0:0}, printer_io_operations_group2={0:0}, printer_mutex={-178:0}, product_desc={-90:0}, qlen=10, ref_cnt=0, serial_num={-146:0}, shortname={122:0}, size=16, strings={-149:0}, stringtab={51:0}, tmp___0=1, usb_gadget_class={0:0}, usb_printer_gadget={-110:0}] [L5516] RET, EXPR ldv_zalloc(16UL) VAL [\old(epnum)=0, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_retval_2)=0, \old(ldv_retval_3)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ldv_usb_gadget)=0, \old(ldv_usb_gadget_chrdev)=0, \old(ldv_usb_gadget_class)=0, \old(printer_driver_group0)=0, \old(printer_driver_group0)=0, \old(printer_io_operations_group1)=0, \old(printer_io_operations_group1)=0, \old(printer_io_operations_group2)=0, \old(printer_io_operations_group2)=0, \old(ref_cnt)=0, \old(usb_gadget_class)=0, \old(usb_gadget_class)=0, __this_module={4294967371:4294967700}, bcdDevice=0, config_desc={-183:0}, dev_qualifier={-362:0}, device_desc={-2:0}, driver_desc={91:0}, epnum=0, fs_ep_in_desc={-198:0}, fs_ep_out_desc={-89:0}, fs_printer_function={-148:0}, g_printer_devno={-173:0}, hs_ep_in_desc={-81:0}, hs_ep_out_desc={-147:0}, hs_printer_function={-87:0}, idProduct=0, idVendor=0, iManufacturer={0:0}, intf_desc={-88:0}, iPNPstring={0:0}, iProduct={0:0}, iSerialNum={0:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_usb_gadget=0, ldv_usb_gadget_chrdev=0, ldv_usb_gadget_class=0, ldv_zalloc(16UL)={0:0}, ldvarg0={0:0}, ldvarg7={0:0}, manufacturer={93:0}, otg_desc={22:0}, pnp_string={12:0}, printer_driver={-243:0}, printer_driver_group0={0:0}, printer_io_operations={-72:0}, printer_io_operations_group1={0:0}, printer_io_operations_group2={0:0}, printer_mutex={-178:0}, product_desc={-90:0}, qlen=10, ref_cnt=0, serial_num={-146:0}, shortname={122:0}, strings={-149:0}, stringtab={51:0}, tmp={0:0}, tmp___0={0:0}, usb_gadget_class={0:0}, usb_printer_gadget={-110:0}] [L5516] tmp___1 = ldv_zalloc(16UL) [L5517] ldvarg3 = (struct poll_table_struct *)tmp___1 VAL [\old(epnum)=0, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_retval_2)=0, \old(ldv_retval_3)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ldv_usb_gadget)=0, \old(ldv_usb_gadget_chrdev)=0, \old(ldv_usb_gadget_class)=0, \old(printer_driver_group0)=0, \old(printer_driver_group0)=0, \old(printer_io_operations_group1)=0, \old(printer_io_operations_group1)=0, \old(printer_io_operations_group2)=0, \old(printer_io_operations_group2)=0, \old(ref_cnt)=0, \old(usb_gadget_class)=0, \old(usb_gadget_class)=0, __this_module={4294967371:4294967700}, bcdDevice=0, config_desc={-183:0}, dev_qualifier={-362:0}, device_desc={-2:0}, driver_desc={91:0}, epnum=0, fs_ep_in_desc={-198:0}, fs_ep_out_desc={-89:0}, fs_printer_function={-148:0}, g_printer_devno={-173:0}, hs_ep_in_desc={-81:0}, hs_ep_out_desc={-147:0}, hs_printer_function={-87:0}, idProduct=0, idVendor=0, iManufacturer={0:0}, intf_desc={-88:0}, iPNPstring={0:0}, iProduct={0:0}, iSerialNum={0:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_usb_gadget=0, ldv_usb_gadget_chrdev=0, ldv_usb_gadget_class=0, ldvarg0={0:0}, ldvarg3={0:0}, ldvarg7={0:0}, manufacturer={93:0}, otg_desc={22:0}, pnp_string={12:0}, printer_driver={-243:0}, printer_driver_group0={0:0}, printer_io_operations={-72:0}, printer_io_operations_group1={0:0}, printer_io_operations_group2={0:0}, printer_mutex={-178:0}, product_desc={-90:0}, qlen=10, ref_cnt=0, serial_num={-146:0}, shortname={122:0}, strings={-149:0}, stringtab={51:0}, tmp={0:0}, tmp___0={0:0}, tmp___1={0:0}, usb_gadget_class={0:0}, usb_printer_gadget={-110:0}] [L5518] CALL, EXPR ldv_zalloc(8UL) VAL [\old(epnum)=0, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_retval_2)=0, \old(ldv_retval_3)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ldv_usb_gadget)=0, \old(ldv_usb_gadget_chrdev)=0, \old(ldv_usb_gadget_class)=0, \old(printer_driver_group0)=0, \old(printer_driver_group0)=0, \old(printer_io_operations_group1)=0, \old(printer_io_operations_group1)=0, \old(printer_io_operations_group2)=0, \old(printer_io_operations_group2)=0, \old(ref_cnt)=0, \old(size)=8, \old(usb_gadget_class)=0, \old(usb_gadget_class)=0, __this_module={4294967371:4294967700}, bcdDevice=0, config_desc={-183:0}, dev_qualifier={-362:0}, device_desc={-2:0}, driver_desc={91:0}, epnum=0, fs_ep_in_desc={-198:0}, fs_ep_out_desc={-89:0}, fs_printer_function={-148:0}, g_printer_devno={-173:0}, hs_ep_in_desc={-81:0}, hs_ep_out_desc={-147:0}, hs_printer_function={-87:0}, idProduct=0, idVendor=0, iManufacturer={0:0}, intf_desc={-88:0}, iPNPstring={0:0}, iProduct={0:0}, iSerialNum={0:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_usb_gadget=0, ldv_usb_gadget_chrdev=0, ldv_usb_gadget_class=0, manufacturer={93:0}, otg_desc={22:0}, pnp_string={12:0}, printer_driver={-243:0}, printer_driver_group0={0:0}, printer_io_operations={-72:0}, printer_io_operations_group1={0:0}, printer_io_operations_group2={0:0}, printer_mutex={-178:0}, product_desc={-90:0}, qlen=10, ref_cnt=0, serial_num={-146:0}, shortname={122:0}, strings={-149:0}, stringtab={51:0}, usb_gadget_class={0:0}, usb_printer_gadget={-110:0}] [L3186] void *p ; [L3187] void *tmp ; [L3188] int tmp___0 ; [L3190] tmp___0 = __VERIFIER_nondet_int() [L3191] COND TRUE tmp___0 != 0 [L3192] return ((void *)0); VAL [\old(epnum)=0, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_retval_2)=0, \old(ldv_retval_3)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ldv_usb_gadget)=0, \old(ldv_usb_gadget_chrdev)=0, \old(ldv_usb_gadget_class)=0, \old(printer_driver_group0)=0, \old(printer_driver_group0)=0, \old(printer_io_operations_group1)=0, \old(printer_io_operations_group1)=0, \old(printer_io_operations_group2)=0, \old(printer_io_operations_group2)=0, \old(ref_cnt)=0, \old(size)=8, \old(usb_gadget_class)=0, \old(usb_gadget_class)=0, \result={0:0}, __this_module={4294967371:4294967700}, bcdDevice=0, config_desc={-183:0}, dev_qualifier={-362:0}, device_desc={-2:0}, driver_desc={91:0}, epnum=0, fs_ep_in_desc={-198:0}, fs_ep_out_desc={-89:0}, fs_printer_function={-148:0}, g_printer_devno={-173:0}, hs_ep_in_desc={-81:0}, hs_ep_out_desc={-147:0}, hs_printer_function={-87:0}, idProduct=0, idVendor=0, iManufacturer={0:0}, intf_desc={-88:0}, iPNPstring={0:0}, iProduct={0:0}, iSerialNum={0:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_usb_gadget=0, ldv_usb_gadget_chrdev=0, ldv_usb_gadget_class=0, manufacturer={93:0}, otg_desc={22:0}, pnp_string={12:0}, printer_driver={-243:0}, printer_driver_group0={0:0}, printer_io_operations={-72:0}, printer_io_operations_group1={0:0}, printer_io_operations_group2={0:0}, printer_mutex={-178:0}, product_desc={-90:0}, qlen=10, ref_cnt=0, serial_num={-146:0}, shortname={122:0}, size=8, strings={-149:0}, stringtab={51:0}, tmp___0=1, usb_gadget_class={0:0}, usb_printer_gadget={-110:0}] [L5518] RET, EXPR ldv_zalloc(8UL) VAL [\old(epnum)=0, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_retval_2)=0, \old(ldv_retval_3)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ldv_usb_gadget)=0, \old(ldv_usb_gadget_chrdev)=0, \old(ldv_usb_gadget_class)=0, \old(printer_driver_group0)=0, \old(printer_driver_group0)=0, \old(printer_io_operations_group1)=0, \old(printer_io_operations_group1)=0, \old(printer_io_operations_group2)=0, \old(printer_io_operations_group2)=0, \old(ref_cnt)=0, \old(usb_gadget_class)=0, \old(usb_gadget_class)=0, __this_module={4294967371:4294967700}, bcdDevice=0, config_desc={-183:0}, dev_qualifier={-362:0}, device_desc={-2:0}, driver_desc={91:0}, epnum=0, fs_ep_in_desc={-198:0}, fs_ep_out_desc={-89:0}, fs_printer_function={-148:0}, g_printer_devno={-173:0}, hs_ep_in_desc={-81:0}, hs_ep_out_desc={-147:0}, hs_printer_function={-87:0}, idProduct=0, idVendor=0, iManufacturer={0:0}, intf_desc={-88:0}, iPNPstring={0:0}, iProduct={0:0}, iSerialNum={0:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_usb_gadget=0, ldv_usb_gadget_chrdev=0, ldv_usb_gadget_class=0, ldv_zalloc(8UL)={0:0}, ldvarg0={0:0}, ldvarg3={0:0}, ldvarg7={0:0}, manufacturer={93:0}, otg_desc={22:0}, pnp_string={12:0}, printer_driver={-243:0}, printer_driver_group0={0:0}, printer_io_operations={-72:0}, printer_io_operations_group1={0:0}, printer_io_operations_group2={0:0}, printer_mutex={-178:0}, product_desc={-90:0}, qlen=10, ref_cnt=0, serial_num={-146:0}, shortname={122:0}, strings={-149:0}, stringtab={51:0}, tmp={0:0}, tmp___0={0:0}, tmp___1={0:0}, usb_gadget_class={0:0}, usb_printer_gadget={-110:0}] [L5518] tmp___2 = ldv_zalloc(8UL) [L5519] ldvarg5 = (loff_t *)tmp___2 [L5520] tmp___3 = __VERIFIER_nondet_size_t() [L5521] ldvarg6 = tmp___3 [L5522] tmp___4 = __VERIFIER_nondet_ulong() [L5523] ldvarg1 = tmp___4 VAL [\old(epnum)=0, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_retval_2)=0, \old(ldv_retval_3)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ldv_usb_gadget)=0, \old(ldv_usb_gadget_chrdev)=0, \old(ldv_usb_gadget_class)=0, \old(printer_driver_group0)=0, \old(printer_driver_group0)=0, \old(printer_io_operations_group1)=0, \old(printer_io_operations_group1)=0, \old(printer_io_operations_group2)=0, \old(printer_io_operations_group2)=0, \old(ref_cnt)=0, \old(usb_gadget_class)=0, \old(usb_gadget_class)=0, __this_module={4294967371:4294967700}, bcdDevice=0, config_desc={-183:0}, dev_qualifier={-362:0}, device_desc={-2:0}, driver_desc={91:0}, epnum=0, fs_ep_in_desc={-198:0}, fs_ep_out_desc={-89:0}, fs_printer_function={-148:0}, g_printer_devno={-173:0}, hs_ep_in_desc={-81:0}, hs_ep_out_desc={-147:0}, hs_printer_function={-87:0}, idProduct=0, idVendor=0, iManufacturer={0:0}, intf_desc={-88:0}, iPNPstring={0:0}, iProduct={0:0}, iSerialNum={0:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_usb_gadget=0, ldv_usb_gadget_chrdev=0, ldv_usb_gadget_class=0, ldvarg0={0:0}, ldvarg1=8, ldvarg3={0:0}, ldvarg5={0:0}, ldvarg6=18, ldvarg7={0:0}, manufacturer={93:0}, otg_desc={22:0}, pnp_string={12:0}, printer_driver={-243:0}, printer_driver_group0={0:0}, printer_io_operations={-72:0}, printer_io_operations_group1={0:0}, printer_io_operations_group2={0:0}, printer_mutex={-178:0}, product_desc={-90:0}, qlen=10, ref_cnt=0, serial_num={-146:0}, shortname={122:0}, strings={-149:0}, stringtab={51:0}, tmp={0:0}, tmp___0={0:0}, tmp___1={0:0}, tmp___2={0:0}, tmp___3=18, tmp___4=8, usb_gadget_class={0:0}, usb_printer_gadget={-110:0}] [L5524] CALL, EXPR ldv_zalloc(8UL) VAL [\old(epnum)=0, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_retval_2)=0, \old(ldv_retval_3)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ldv_usb_gadget)=0, \old(ldv_usb_gadget_chrdev)=0, \old(ldv_usb_gadget_class)=0, \old(printer_driver_group0)=0, \old(printer_driver_group0)=0, \old(printer_io_operations_group1)=0, \old(printer_io_operations_group1)=0, \old(printer_io_operations_group2)=0, \old(printer_io_operations_group2)=0, \old(ref_cnt)=0, \old(size)=8, \old(usb_gadget_class)=0, \old(usb_gadget_class)=0, __this_module={4294967371:4294967700}, bcdDevice=0, config_desc={-183:0}, dev_qualifier={-362:0}, device_desc={-2:0}, driver_desc={91:0}, epnum=0, fs_ep_in_desc={-198:0}, fs_ep_out_desc={-89:0}, fs_printer_function={-148:0}, g_printer_devno={-173:0}, hs_ep_in_desc={-81:0}, hs_ep_out_desc={-147:0}, hs_printer_function={-87:0}, idProduct=0, idVendor=0, iManufacturer={0:0}, intf_desc={-88:0}, iPNPstring={0:0}, iProduct={0:0}, iSerialNum={0:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_usb_gadget=0, ldv_usb_gadget_chrdev=0, ldv_usb_gadget_class=0, manufacturer={93:0}, otg_desc={22:0}, pnp_string={12:0}, printer_driver={-243:0}, printer_driver_group0={0:0}, printer_io_operations={-72:0}, printer_io_operations_group1={0:0}, printer_io_operations_group2={0:0}, printer_mutex={-178:0}, product_desc={-90:0}, qlen=10, ref_cnt=0, serial_num={-146:0}, shortname={122:0}, strings={-149:0}, stringtab={51:0}, usb_gadget_class={0:0}, usb_printer_gadget={-110:0}] [L3186] void *p ; [L3187] void *tmp ; [L3188] int tmp___0 ; [L3190] tmp___0 = __VERIFIER_nondet_int() [L3191] COND TRUE tmp___0 != 0 [L3192] return ((void *)0); VAL [\old(epnum)=0, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_retval_2)=0, \old(ldv_retval_3)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ldv_usb_gadget)=0, \old(ldv_usb_gadget_chrdev)=0, \old(ldv_usb_gadget_class)=0, \old(printer_driver_group0)=0, \old(printer_driver_group0)=0, \old(printer_io_operations_group1)=0, \old(printer_io_operations_group1)=0, \old(printer_io_operations_group2)=0, \old(printer_io_operations_group2)=0, \old(ref_cnt)=0, \old(size)=8, \old(usb_gadget_class)=0, \old(usb_gadget_class)=0, \result={0:0}, __this_module={4294967371:4294967700}, bcdDevice=0, config_desc={-183:0}, dev_qualifier={-362:0}, device_desc={-2:0}, driver_desc={91:0}, epnum=0, fs_ep_in_desc={-198:0}, fs_ep_out_desc={-89:0}, fs_printer_function={-148:0}, g_printer_devno={-173:0}, hs_ep_in_desc={-81:0}, hs_ep_out_desc={-147:0}, hs_printer_function={-87:0}, idProduct=0, idVendor=0, iManufacturer={0:0}, intf_desc={-88:0}, iPNPstring={0:0}, iProduct={0:0}, iSerialNum={0:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_usb_gadget=0, ldv_usb_gadget_chrdev=0, ldv_usb_gadget_class=0, manufacturer={93:0}, otg_desc={22:0}, pnp_string={12:0}, printer_driver={-243:0}, printer_driver_group0={0:0}, printer_io_operations={-72:0}, printer_io_operations_group1={0:0}, printer_io_operations_group2={0:0}, printer_mutex={-178:0}, product_desc={-90:0}, qlen=10, ref_cnt=0, serial_num={-146:0}, shortname={122:0}, size=8, strings={-149:0}, stringtab={51:0}, tmp___0=1, usb_gadget_class={0:0}, usb_printer_gadget={-110:0}] [L5524] RET, EXPR ldv_zalloc(8UL) VAL [\old(epnum)=0, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_retval_2)=0, \old(ldv_retval_3)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ldv_usb_gadget)=0, \old(ldv_usb_gadget_chrdev)=0, \old(ldv_usb_gadget_class)=0, \old(printer_driver_group0)=0, \old(printer_driver_group0)=0, \old(printer_io_operations_group1)=0, \old(printer_io_operations_group1)=0, \old(printer_io_operations_group2)=0, \old(printer_io_operations_group2)=0, \old(ref_cnt)=0, \old(usb_gadget_class)=0, \old(usb_gadget_class)=0, __this_module={4294967371:4294967700}, bcdDevice=0, config_desc={-183:0}, dev_qualifier={-362:0}, device_desc={-2:0}, driver_desc={91:0}, epnum=0, fs_ep_in_desc={-198:0}, fs_ep_out_desc={-89:0}, fs_printer_function={-148:0}, g_printer_devno={-173:0}, hs_ep_in_desc={-81:0}, hs_ep_out_desc={-147:0}, hs_printer_function={-87:0}, idProduct=0, idVendor=0, iManufacturer={0:0}, intf_desc={-88:0}, iPNPstring={0:0}, iProduct={0:0}, iSerialNum={0:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_usb_gadget=0, ldv_usb_gadget_chrdev=0, ldv_usb_gadget_class=0, ldv_zalloc(8UL)={0:0}, ldvarg0={0:0}, ldvarg1=8, ldvarg3={0:0}, ldvarg5={0:0}, ldvarg6=18, ldvarg7={0:0}, manufacturer={93:0}, otg_desc={22:0}, pnp_string={12:0}, printer_driver={-243:0}, printer_driver_group0={0:0}, printer_io_operations={-72:0}, printer_io_operations_group1={0:0}, printer_io_operations_group2={0:0}, printer_mutex={-178:0}, product_desc={-90:0}, qlen=10, ref_cnt=0, serial_num={-146:0}, shortname={122:0}, strings={-149:0}, stringtab={51:0}, tmp={0:0}, tmp___0={0:0}, tmp___1={0:0}, tmp___2={0:0}, tmp___3=18, tmp___4=8, usb_gadget_class={0:0}, usb_printer_gadget={-110:0}] [L5524] tmp___5 = ldv_zalloc(8UL) [L5525] ldvarg8 = (loff_t *)tmp___5 [L5526] tmp___6 = __VERIFIER_nondet_int() [L5527] ldvarg4 = tmp___6 VAL [\old(epnum)=0, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_retval_2)=0, \old(ldv_retval_3)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ldv_usb_gadget)=0, \old(ldv_usb_gadget_chrdev)=0, \old(ldv_usb_gadget_class)=0, \old(printer_driver_group0)=0, \old(printer_driver_group0)=0, \old(printer_io_operations_group1)=0, \old(printer_io_operations_group1)=0, \old(printer_io_operations_group2)=0, \old(printer_io_operations_group2)=0, \old(ref_cnt)=0, \old(usb_gadget_class)=0, \old(usb_gadget_class)=0, __this_module={4294967371:4294967700}, bcdDevice=0, config_desc={-183:0}, dev_qualifier={-362:0}, device_desc={-2:0}, driver_desc={91:0}, epnum=0, fs_ep_in_desc={-198:0}, fs_ep_out_desc={-89:0}, fs_printer_function={-148:0}, g_printer_devno={-173:0}, hs_ep_in_desc={-81:0}, hs_ep_out_desc={-147:0}, hs_printer_function={-87:0}, idProduct=0, idVendor=0, iManufacturer={0:0}, intf_desc={-88:0}, iPNPstring={0:0}, iProduct={0:0}, iSerialNum={0:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_usb_gadget=0, ldv_usb_gadget_chrdev=0, ldv_usb_gadget_class=0, ldvarg0={0:0}, ldvarg1=8, ldvarg3={0:0}, ldvarg4=24, ldvarg5={0:0}, ldvarg6=18, ldvarg7={0:0}, ldvarg8={0:0}, manufacturer={93:0}, otg_desc={22:0}, pnp_string={12:0}, printer_driver={-243:0}, printer_driver_group0={0:0}, printer_io_operations={-72:0}, printer_io_operations_group1={0:0}, printer_io_operations_group2={0:0}, printer_mutex={-178:0}, product_desc={-90:0}, qlen=10, ref_cnt=0, serial_num={-146:0}, shortname={122:0}, strings={-149:0}, stringtab={51:0}, tmp={0:0}, tmp___0={0:0}, tmp___1={0:0}, tmp___2={0:0}, tmp___3=18, tmp___4=8, tmp___5={0:0}, tmp___6=24, usb_gadget_class={0:0}, usb_printer_gadget={-110:0}] [L5528] CALL, EXPR ldv_zalloc(1UL) VAL [\old(epnum)=0, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_retval_2)=0, \old(ldv_retval_3)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ldv_usb_gadget)=0, \old(ldv_usb_gadget_chrdev)=0, \old(ldv_usb_gadget_class)=0, \old(printer_driver_group0)=0, \old(printer_driver_group0)=0, \old(printer_io_operations_group1)=0, \old(printer_io_operations_group1)=0, \old(printer_io_operations_group2)=0, \old(printer_io_operations_group2)=0, \old(ref_cnt)=0, \old(size)=1, \old(usb_gadget_class)=0, \old(usb_gadget_class)=0, __this_module={4294967371:4294967700}, bcdDevice=0, config_desc={-183:0}, dev_qualifier={-362:0}, device_desc={-2:0}, driver_desc={91:0}, epnum=0, fs_ep_in_desc={-198:0}, fs_ep_out_desc={-89:0}, fs_printer_function={-148:0}, g_printer_devno={-173:0}, hs_ep_in_desc={-81:0}, hs_ep_out_desc={-147:0}, hs_printer_function={-87:0}, idProduct=0, idVendor=0, iManufacturer={0:0}, intf_desc={-88:0}, iPNPstring={0:0}, iProduct={0:0}, iSerialNum={0:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_usb_gadget=0, ldv_usb_gadget_chrdev=0, ldv_usb_gadget_class=0, manufacturer={93:0}, otg_desc={22:0}, pnp_string={12:0}, printer_driver={-243:0}, printer_driver_group0={0:0}, printer_io_operations={-72:0}, printer_io_operations_group1={0:0}, printer_io_operations_group2={0:0}, printer_mutex={-178:0}, product_desc={-90:0}, qlen=10, ref_cnt=0, serial_num={-146:0}, shortname={122:0}, strings={-149:0}, stringtab={51:0}, usb_gadget_class={0:0}, usb_printer_gadget={-110:0}] [L3186] void *p ; [L3187] void *tmp ; [L3188] int tmp___0 ; [L3190] tmp___0 = __VERIFIER_nondet_int() [L3191] COND TRUE tmp___0 != 0 [L3192] return ((void *)0); VAL [\old(epnum)=0, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_retval_2)=0, \old(ldv_retval_3)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ldv_usb_gadget)=0, \old(ldv_usb_gadget_chrdev)=0, \old(ldv_usb_gadget_class)=0, \old(printer_driver_group0)=0, \old(printer_driver_group0)=0, \old(printer_io_operations_group1)=0, \old(printer_io_operations_group1)=0, \old(printer_io_operations_group2)=0, \old(printer_io_operations_group2)=0, \old(ref_cnt)=0, \old(size)=1, \old(usb_gadget_class)=0, \old(usb_gadget_class)=0, \result={0:0}, __this_module={4294967371:4294967700}, bcdDevice=0, config_desc={-183:0}, dev_qualifier={-362:0}, device_desc={-2:0}, driver_desc={91:0}, epnum=0, fs_ep_in_desc={-198:0}, fs_ep_out_desc={-89:0}, fs_printer_function={-148:0}, g_printer_devno={-173:0}, hs_ep_in_desc={-81:0}, hs_ep_out_desc={-147:0}, hs_printer_function={-87:0}, idProduct=0, idVendor=0, iManufacturer={0:0}, intf_desc={-88:0}, iPNPstring={0:0}, iProduct={0:0}, iSerialNum={0:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_usb_gadget=0, ldv_usb_gadget_chrdev=0, ldv_usb_gadget_class=0, manufacturer={93:0}, otg_desc={22:0}, pnp_string={12:0}, printer_driver={-243:0}, printer_driver_group0={0:0}, printer_io_operations={-72:0}, printer_io_operations_group1={0:0}, printer_io_operations_group2={0:0}, printer_mutex={-178:0}, product_desc={-90:0}, qlen=10, ref_cnt=0, serial_num={-146:0}, shortname={122:0}, size=1, strings={-149:0}, stringtab={51:0}, tmp___0=1, usb_gadget_class={0:0}, usb_printer_gadget={-110:0}] [L5528] RET, EXPR ldv_zalloc(1UL) VAL [\old(epnum)=0, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_retval_2)=0, \old(ldv_retval_3)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ldv_usb_gadget)=0, \old(ldv_usb_gadget_chrdev)=0, \old(ldv_usb_gadget_class)=0, \old(printer_driver_group0)=0, \old(printer_driver_group0)=0, \old(printer_io_operations_group1)=0, \old(printer_io_operations_group1)=0, \old(printer_io_operations_group2)=0, \old(printer_io_operations_group2)=0, \old(ref_cnt)=0, \old(usb_gadget_class)=0, \old(usb_gadget_class)=0, __this_module={4294967371:4294967700}, bcdDevice=0, config_desc={-183:0}, dev_qualifier={-362:0}, device_desc={-2:0}, driver_desc={91:0}, epnum=0, fs_ep_in_desc={-198:0}, fs_ep_out_desc={-89:0}, fs_printer_function={-148:0}, g_printer_devno={-173:0}, hs_ep_in_desc={-81:0}, hs_ep_out_desc={-147:0}, hs_printer_function={-87:0}, idProduct=0, idVendor=0, iManufacturer={0:0}, intf_desc={-88:0}, iPNPstring={0:0}, iProduct={0:0}, iSerialNum={0:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_usb_gadget=0, ldv_usb_gadget_chrdev=0, ldv_usb_gadget_class=0, ldv_zalloc(1UL)={0:0}, ldvarg0={0:0}, ldvarg1=8, ldvarg3={0:0}, ldvarg4=24, ldvarg5={0:0}, ldvarg6=18, ldvarg7={0:0}, ldvarg8={0:0}, manufacturer={93:0}, otg_desc={22:0}, pnp_string={12:0}, printer_driver={-243:0}, printer_driver_group0={0:0}, printer_io_operations={-72:0}, printer_io_operations_group1={0:0}, printer_io_operations_group2={0:0}, printer_mutex={-178:0}, product_desc={-90:0}, qlen=10, ref_cnt=0, serial_num={-146:0}, shortname={122:0}, strings={-149:0}, stringtab={51:0}, tmp={0:0}, tmp___0={0:0}, tmp___1={0:0}, tmp___2={0:0}, tmp___3=18, tmp___4=8, tmp___5={0:0}, tmp___6=24, usb_gadget_class={0:0}, usb_printer_gadget={-110:0}] [L5528] tmp___7 = ldv_zalloc(1UL) [L5529] ldvarg10 = (char *)tmp___7 [L5530] tmp___8 = __VERIFIER_nondet_size_t() [L5531] ldvarg9 = tmp___8 [L5532] tmp___9 = __VERIFIER_nondet_uint() [L5533] ldvarg2 = tmp___9 VAL [\old(epnum)=0, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_retval_2)=0, \old(ldv_retval_3)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ldv_usb_gadget)=0, \old(ldv_usb_gadget_chrdev)=0, \old(ldv_usb_gadget_class)=0, \old(printer_driver_group0)=0, \old(printer_driver_group0)=0, \old(printer_io_operations_group1)=0, \old(printer_io_operations_group1)=0, \old(printer_io_operations_group2)=0, \old(printer_io_operations_group2)=0, \old(ref_cnt)=0, \old(usb_gadget_class)=0, \old(usb_gadget_class)=0, __this_module={4294967371:4294967700}, bcdDevice=0, config_desc={-183:0}, dev_qualifier={-362:0}, device_desc={-2:0}, driver_desc={91:0}, epnum=0, fs_ep_in_desc={-198:0}, fs_ep_out_desc={-89:0}, fs_printer_function={-148:0}, g_printer_devno={-173:0}, hs_ep_in_desc={-81:0}, hs_ep_out_desc={-147:0}, hs_printer_function={-87:0}, idProduct=0, idVendor=0, iManufacturer={0:0}, intf_desc={-88:0}, iPNPstring={0:0}, iProduct={0:0}, iSerialNum={0:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_usb_gadget=0, ldv_usb_gadget_chrdev=0, ldv_usb_gadget_class=0, ldvarg0={0:0}, ldvarg1=8, ldvarg10={0:0}, ldvarg2=333, ldvarg3={0:0}, ldvarg4=24, ldvarg5={0:0}, ldvarg6=18, ldvarg7={0:0}, ldvarg8={0:0}, ldvarg9=0, manufacturer={93:0}, otg_desc={22:0}, pnp_string={12:0}, printer_driver={-243:0}, printer_driver_group0={0:0}, printer_io_operations={-72:0}, printer_io_operations_group1={0:0}, printer_io_operations_group2={0:0}, printer_mutex={-178:0}, product_desc={-90:0}, qlen=10, ref_cnt=0, serial_num={-146:0}, shortname={122:0}, strings={-149:0}, stringtab={51:0}, tmp={0:0}, tmp___0={0:0}, tmp___1={0:0}, tmp___2={0:0}, tmp___3=18, tmp___4=8, tmp___5={0:0}, tmp___6=24, tmp___7={0:0}, tmp___8=0, tmp___9=333, usb_gadget_class={0:0}, usb_printer_gadget={-110:0}] [L5534] FCALL ldv_initialize() VAL [\old(epnum)=0, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_retval_2)=0, \old(ldv_retval_3)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ldv_usb_gadget)=0, \old(ldv_usb_gadget_chrdev)=0, \old(ldv_usb_gadget_class)=0, \old(printer_driver_group0)=0, \old(printer_driver_group0)=0, \old(printer_io_operations_group1)=0, \old(printer_io_operations_group1)=0, \old(printer_io_operations_group2)=0, \old(printer_io_operations_group2)=0, \old(ref_cnt)=0, \old(usb_gadget_class)=0, \old(usb_gadget_class)=0, __this_module={4294967371:4294967700}, bcdDevice=0, config_desc={-183:0}, dev_qualifier={-362:0}, device_desc={-2:0}, driver_desc={91:0}, epnum=0, fs_ep_in_desc={-198:0}, fs_ep_out_desc={-89:0}, fs_printer_function={-148:0}, g_printer_devno={-173:0}, hs_ep_in_desc={-81:0}, hs_ep_out_desc={-147:0}, hs_printer_function={-87:0}, idProduct=0, idVendor=0, iManufacturer={0:0}, intf_desc={-88:0}, iPNPstring={0:0}, iProduct={0:0}, iSerialNum={0:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_usb_gadget=0, ldv_usb_gadget_chrdev=0, ldv_usb_gadget_class=0, ldvarg0={0:0}, ldvarg1=8, ldvarg10={0:0}, ldvarg2=333, ldvarg3={0:0}, ldvarg4=24, ldvarg5={0:0}, ldvarg6=18, ldvarg7={0:0}, ldvarg8={0:0}, ldvarg9=0, manufacturer={93:0}, otg_desc={22:0}, pnp_string={12:0}, printer_driver={-243:0}, printer_driver_group0={0:0}, printer_io_operations={-72:0}, printer_io_operations_group1={0:0}, printer_io_operations_group2={0:0}, printer_mutex={-178:0}, product_desc={-90:0}, qlen=10, ref_cnt=0, serial_num={-146:0}, shortname={122:0}, strings={-149:0}, stringtab={51:0}, tmp={0:0}, tmp___0={0:0}, tmp___1={0:0}, tmp___2={0:0}, tmp___3=18, tmp___4=8, tmp___5={0:0}, tmp___6=24, tmp___7={0:0}, tmp___8=0, tmp___9=333, usb_gadget_class={0:0}, usb_printer_gadget={-110:0}] [L5535] ldv_state_variable_1 = 0 [L5536] ref_cnt = 0 [L5537] ldv_state_variable_0 = 1 [L5538] ldv_state_variable_2 = 0 VAL [\old(epnum)=0, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_retval_2)=0, \old(ldv_retval_3)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ldv_usb_gadget)=0, \old(ldv_usb_gadget_chrdev)=0, \old(ldv_usb_gadget_class)=0, \old(printer_driver_group0)=0, \old(printer_driver_group0)=0, \old(printer_io_operations_group1)=0, \old(printer_io_operations_group1)=0, \old(printer_io_operations_group2)=0, \old(printer_io_operations_group2)=0, \old(ref_cnt)=0, \old(usb_gadget_class)=0, \old(usb_gadget_class)=0, __this_module={4294967371:4294967700}, bcdDevice=0, config_desc={-183:0}, dev_qualifier={-362:0}, device_desc={-2:0}, driver_desc={91:0}, epnum=0, fs_ep_in_desc={-198:0}, fs_ep_out_desc={-89:0}, fs_printer_function={-148:0}, g_printer_devno={-173:0}, hs_ep_in_desc={-81:0}, hs_ep_out_desc={-147:0}, hs_printer_function={-87:0}, idProduct=0, idVendor=0, iManufacturer={0:0}, intf_desc={-88:0}, iPNPstring={0:0}, iProduct={0:0}, iSerialNum={0:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_usb_gadget=0, ldv_usb_gadget_chrdev=0, ldv_usb_gadget_class=0, ldvarg0={0:0}, ldvarg1=8, ldvarg10={0:0}, ldvarg2=333, ldvarg3={0:0}, ldvarg4=24, ldvarg5={0:0}, ldvarg6=18, ldvarg7={0:0}, ldvarg8={0:0}, ldvarg9=0, manufacturer={93:0}, otg_desc={22:0}, pnp_string={12:0}, printer_driver={-243:0}, printer_driver_group0={0:0}, printer_io_operations={-72:0}, printer_io_operations_group1={0:0}, printer_io_operations_group2={0:0}, printer_mutex={-178:0}, product_desc={-90:0}, qlen=10, ref_cnt=0, serial_num={-146:0}, shortname={122:0}, strings={-149:0}, stringtab={51:0}, tmp={0:0}, tmp___0={0:0}, tmp___1={0:0}, tmp___2={0:0}, tmp___3=18, tmp___4=8, tmp___5={0:0}, tmp___6=24, tmp___7={0:0}, tmp___8=0, tmp___9=333, usb_gadget_class={0:0}, usb_printer_gadget={-110:0}] [L5540] tmp___10 = __VERIFIER_nondet_int() [L5542] case 0: [L5589] case 1: VAL [\old(epnum)=0, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_retval_2)=0, \old(ldv_retval_3)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ldv_usb_gadget)=0, \old(ldv_usb_gadget_chrdev)=0, \old(ldv_usb_gadget_class)=0, \old(printer_driver_group0)=0, \old(printer_driver_group0)=0, \old(printer_io_operations_group1)=0, \old(printer_io_operations_group1)=0, \old(printer_io_operations_group2)=0, \old(printer_io_operations_group2)=0, \old(ref_cnt)=0, \old(usb_gadget_class)=0, \old(usb_gadget_class)=0, __this_module={4294967371:4294967700}, bcdDevice=0, config_desc={-183:0}, dev_qualifier={-362:0}, device_desc={-2:0}, driver_desc={91:0}, epnum=0, fs_ep_in_desc={-198:0}, fs_ep_out_desc={-89:0}, fs_printer_function={-148:0}, g_printer_devno={-173:0}, hs_ep_in_desc={-81:0}, hs_ep_out_desc={-147:0}, hs_printer_function={-87:0}, idProduct=0, idVendor=0, iManufacturer={0:0}, intf_desc={-88:0}, iPNPstring={0:0}, iProduct={0:0}, iSerialNum={0:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_usb_gadget=0, ldv_usb_gadget_chrdev=0, ldv_usb_gadget_class=0, ldvarg0={0:0}, ldvarg1=8, ldvarg10={0:0}, ldvarg2=333, ldvarg3={0:0}, ldvarg4=24, ldvarg5={0:0}, ldvarg6=18, ldvarg7={0:0}, ldvarg8={0:0}, ldvarg9=0, manufacturer={93:0}, otg_desc={22:0}, pnp_string={12:0}, printer_driver={-243:0}, printer_driver_group0={0:0}, printer_io_operations={-72:0}, printer_io_operations_group1={0:0}, printer_io_operations_group2={0:0}, printer_mutex={-178:0}, product_desc={-90:0}, qlen=10, ref_cnt=0, serial_num={-146:0}, shortname={122:0}, strings={-149:0}, stringtab={51:0}, tmp={0:0}, tmp___0={0:0}, tmp___1={0:0}, tmp___10=1, tmp___2={0:0}, tmp___3=18, tmp___4=8, tmp___5={0:0}, tmp___6=24, tmp___7={0:0}, tmp___8=0, tmp___9=333, usb_gadget_class={0:0}, usb_printer_gadget={-110:0}] [L5590] COND TRUE ldv_state_variable_0 != 0 [L5591] tmp___12 = __VERIFIER_nondet_int() [L5593] case 0: [L5601] case 1: VAL [\old(epnum)=0, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_retval_2)=0, \old(ldv_retval_3)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ldv_usb_gadget)=0, \old(ldv_usb_gadget_chrdev)=0, \old(ldv_usb_gadget_class)=0, \old(printer_driver_group0)=0, \old(printer_driver_group0)=0, \old(printer_io_operations_group1)=0, \old(printer_io_operations_group1)=0, \old(printer_io_operations_group2)=0, \old(printer_io_operations_group2)=0, \old(ref_cnt)=0, \old(usb_gadget_class)=0, \old(usb_gadget_class)=0, __this_module={4294967371:4294967700}, bcdDevice=0, config_desc={-183:0}, dev_qualifier={-362:0}, device_desc={-2:0}, driver_desc={91:0}, epnum=0, fs_ep_in_desc={-198:0}, fs_ep_out_desc={-89:0}, fs_printer_function={-148:0}, g_printer_devno={-173:0}, hs_ep_in_desc={-81:0}, hs_ep_out_desc={-147:0}, hs_printer_function={-87:0}, idProduct=0, idVendor=0, iManufacturer={0:0}, intf_desc={-88:0}, iPNPstring={0:0}, iProduct={0:0}, iSerialNum={0:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_usb_gadget=0, ldv_usb_gadget_chrdev=0, ldv_usb_gadget_class=0, ldvarg0={0:0}, ldvarg1=8, ldvarg10={0:0}, ldvarg2=333, ldvarg3={0:0}, ldvarg4=24, ldvarg5={0:0}, ldvarg6=18, ldvarg7={0:0}, ldvarg8={0:0}, ldvarg9=0, manufacturer={93:0}, otg_desc={22:0}, pnp_string={12:0}, printer_driver={-243:0}, printer_driver_group0={0:0}, printer_io_operations={-72:0}, printer_io_operations_group1={0:0}, printer_io_operations_group2={0:0}, printer_mutex={-178:0}, product_desc={-90:0}, qlen=10, ref_cnt=0, serial_num={-146:0}, shortname={122:0}, strings={-149:0}, stringtab={51:0}, tmp={0:0}, tmp___0={0:0}, tmp___1={0:0}, tmp___10=1, tmp___12=1, tmp___2={0:0}, tmp___3=18, tmp___4=8, tmp___5={0:0}, tmp___6=24, tmp___7={0:0}, tmp___8=0, tmp___9=333, usb_gadget_class={0:0}, usb_printer_gadget={-110:0}] [L5602] COND TRUE ldv_state_variable_0 == 1 VAL [\old(epnum)=0, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_retval_2)=0, \old(ldv_retval_3)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ldv_usb_gadget)=0, \old(ldv_usb_gadget_chrdev)=0, \old(ldv_usb_gadget_class)=0, \old(printer_driver_group0)=0, \old(printer_driver_group0)=0, \old(printer_io_operations_group1)=0, \old(printer_io_operations_group1)=0, \old(printer_io_operations_group2)=0, \old(printer_io_operations_group2)=0, \old(ref_cnt)=0, \old(usb_gadget_class)=0, \old(usb_gadget_class)=0, __this_module={4294967371:4294967700}, bcdDevice=0, config_desc={-183:0}, dev_qualifier={-362:0}, device_desc={-2:0}, driver_desc={91:0}, epnum=0, fs_ep_in_desc={-198:0}, fs_ep_out_desc={-89:0}, fs_printer_function={-148:0}, g_printer_devno={-173:0}, hs_ep_in_desc={-81:0}, hs_ep_out_desc={-147:0}, hs_printer_function={-87:0}, idProduct=0, idVendor=0, iManufacturer={0:0}, intf_desc={-88:0}, iPNPstring={0:0}, iProduct={0:0}, iSerialNum={0:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_usb_gadget=0, ldv_usb_gadget_chrdev=0, ldv_usb_gadget_class=0, ldvarg0={0:0}, ldvarg1=8, ldvarg10={0:0}, ldvarg2=333, ldvarg3={0:0}, ldvarg4=24, ldvarg5={0:0}, ldvarg6=18, ldvarg7={0:0}, ldvarg8={0:0}, ldvarg9=0, manufacturer={93:0}, otg_desc={22:0}, pnp_string={12:0}, printer_driver={-243:0}, printer_driver_group0={0:0}, printer_io_operations={-72:0}, printer_io_operations_group1={0:0}, printer_io_operations_group2={0:0}, printer_mutex={-178:0}, product_desc={-90:0}, qlen=10, ref_cnt=0, serial_num={-146:0}, shortname={122:0}, strings={-149:0}, stringtab={51:0}, tmp={0:0}, tmp___0={0:0}, tmp___1={0:0}, tmp___10=1, tmp___12=1, tmp___2={0:0}, tmp___3=18, tmp___4=8, tmp___5={0:0}, tmp___6=24, tmp___7={0:0}, tmp___8=0, tmp___9=333, usb_gadget_class={0:0}, usb_printer_gadget={-110:0}] [L5603] CALL, EXPR init() VAL [\old(epnum)=0, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_retval_2)=0, \old(ldv_retval_3)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ldv_usb_gadget)=0, \old(ldv_usb_gadget_chrdev)=0, \old(ldv_usb_gadget_class)=0, \old(printer_driver_group0)=0, \old(printer_driver_group0)=0, \old(printer_io_operations_group1)=0, \old(printer_io_operations_group1)=0, \old(printer_io_operations_group2)=0, \old(printer_io_operations_group2)=0, \old(ref_cnt)=0, \old(usb_gadget_class)=0, \old(usb_gadget_class)=0, __this_module={4294967371:4294967700}, bcdDevice=0, config_desc={-183:0}, dev_qualifier={-362:0}, device_desc={-2:0}, driver_desc={91:0}, epnum=0, fs_ep_in_desc={-198:0}, fs_ep_out_desc={-89:0}, fs_printer_function={-148:0}, g_printer_devno={-173:0}, hs_ep_in_desc={-81:0}, hs_ep_out_desc={-147:0}, hs_printer_function={-87:0}, idProduct=0, idVendor=0, iManufacturer={0:0}, intf_desc={-88:0}, iPNPstring={0:0}, iProduct={0:0}, iSerialNum={0:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_usb_gadget=0, ldv_usb_gadget_chrdev=0, ldv_usb_gadget_class=0, manufacturer={93:0}, otg_desc={22:0}, pnp_string={12:0}, printer_driver={-243:0}, printer_driver_group0={0:0}, printer_io_operations={-72:0}, printer_io_operations_group1={0:0}, printer_io_operations_group2={0:0}, printer_mutex={-178:0}, product_desc={-90:0}, qlen=10, ref_cnt=0, serial_num={-146:0}, shortname={122:0}, strings={-149:0}, stringtab={51:0}, usb_gadget_class={0:0}, usb_printer_gadget={-110:0}] [L5407] int status ; [L5408] void *tmp ; [L5409] long tmp___0 ; [L5410] long tmp___1 ; VAL [\old(epnum)=0, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_retval_2)=0, \old(ldv_retval_3)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ldv_usb_gadget)=0, \old(ldv_usb_gadget_chrdev)=0, \old(ldv_usb_gadget_class)=0, \old(printer_driver_group0)=0, \old(printer_driver_group0)=0, \old(printer_io_operations_group1)=0, \old(printer_io_operations_group1)=0, \old(printer_io_operations_group2)=0, \old(printer_io_operations_group2)=0, \old(ref_cnt)=0, \old(usb_gadget_class)=0, \old(usb_gadget_class)=0, __this_module={4294967371:4294967700}, bcdDevice=0, config_desc={-183:0}, dev_qualifier={-362:0}, device_desc={-2:0}, driver_desc={91:0}, epnum=0, fs_ep_in_desc={-198:0}, fs_ep_out_desc={-89:0}, fs_printer_function={-148:0}, g_printer_devno={-173:0}, hs_ep_in_desc={-81:0}, hs_ep_out_desc={-147:0}, hs_printer_function={-87:0}, idProduct=0, idVendor=0, iManufacturer={0:0}, intf_desc={-88:0}, iPNPstring={0:0}, iProduct={0:0}, iSerialNum={0:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_usb_gadget=0, ldv_usb_gadget_chrdev=0, ldv_usb_gadget_class=0, manufacturer={93:0}, otg_desc={22:0}, pnp_string={12:0}, printer_driver={-243:0}, printer_driver_group0={0:0}, printer_io_operations={-72:0}, printer_io_operations_group1={0:0}, printer_io_operations_group2={0:0}, printer_mutex={-178:0}, product_desc={-90:0}, qlen=10, ref_cnt=0, serial_num={-146:0}, shortname={122:0}, strings={-149:0}, stringtab={51:0}, usb_gadget_class={0:0}, usb_printer_gadget={-110:0}] [L5412] CALL, EXPR ldv_create_class() VAL [\old(epnum)=0, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_retval_2)=0, \old(ldv_retval_3)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ldv_usb_gadget)=0, \old(ldv_usb_gadget_chrdev)=0, \old(ldv_usb_gadget_class)=0, \old(printer_driver_group0)=0, \old(printer_driver_group0)=0, \old(printer_io_operations_group1)=0, \old(printer_io_operations_group1)=0, \old(printer_io_operations_group2)=0, \old(printer_io_operations_group2)=0, \old(ref_cnt)=0, \old(usb_gadget_class)=0, \old(usb_gadget_class)=0, __this_module={4294967371:4294967700}, bcdDevice=0, config_desc={-183:0}, dev_qualifier={-362:0}, device_desc={-2:0}, driver_desc={91:0}, epnum=0, fs_ep_in_desc={-198:0}, fs_ep_out_desc={-89:0}, fs_printer_function={-148:0}, g_printer_devno={-173:0}, hs_ep_in_desc={-81:0}, hs_ep_out_desc={-147:0}, hs_printer_function={-87:0}, idProduct=0, idVendor=0, iManufacturer={0:0}, intf_desc={-88:0}, iPNPstring={0:0}, iProduct={0:0}, iSerialNum={0:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_usb_gadget=0, ldv_usb_gadget_chrdev=0, ldv_usb_gadget_class=0, manufacturer={93:0}, otg_desc={22:0}, pnp_string={12:0}, printer_driver={-243:0}, printer_driver_group0={0:0}, printer_io_operations={-72:0}, printer_io_operations_group1={0:0}, printer_io_operations_group2={0:0}, printer_mutex={-178:0}, product_desc={-90:0}, qlen=10, ref_cnt=0, serial_num={-146:0}, shortname={122:0}, strings={-149:0}, stringtab={51:0}, usb_gadget_class={0:0}, usb_printer_gadget={-110:0}] [L5890] void *is_got ; VAL [\old(epnum)=0, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_retval_2)=0, \old(ldv_retval_3)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ldv_usb_gadget)=0, \old(ldv_usb_gadget_chrdev)=0, \old(ldv_usb_gadget_class)=0, \old(printer_driver_group0)=0, \old(printer_driver_group0)=0, \old(printer_io_operations_group1)=0, \old(printer_io_operations_group1)=0, \old(printer_io_operations_group2)=0, \old(printer_io_operations_group2)=0, \old(ref_cnt)=0, \old(usb_gadget_class)=0, \old(usb_gadget_class)=0, __this_module={4294967371:4294967700}, bcdDevice=0, config_desc={-183:0}, dev_qualifier={-362:0}, device_desc={-2:0}, driver_desc={91:0}, epnum=0, fs_ep_in_desc={-198:0}, fs_ep_out_desc={-89:0}, fs_printer_function={-148:0}, g_printer_devno={-173:0}, hs_ep_in_desc={-81:0}, hs_ep_out_desc={-147:0}, hs_printer_function={-87:0}, idProduct=0, idVendor=0, iManufacturer={0:0}, intf_desc={-88:0}, iPNPstring={0:0}, iProduct={0:0}, iSerialNum={0:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_usb_gadget=0, ldv_usb_gadget_chrdev=0, ldv_usb_gadget_class=0, manufacturer={93:0}, otg_desc={22:0}, pnp_string={12:0}, printer_driver={-243:0}, printer_driver_group0={0:0}, printer_io_operations={-72:0}, printer_io_operations_group1={0:0}, printer_io_operations_group2={0:0}, printer_mutex={-178:0}, product_desc={-90:0}, qlen=10, ref_cnt=0, serial_num={-146:0}, shortname={122:0}, strings={-149:0}, stringtab={51:0}, usb_gadget_class={0:0}, usb_printer_gadget={-110:0}] [L5892] CALL, EXPR ldv_undef_ptr() VAL [\old(epnum)=0, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_retval_2)=0, \old(ldv_retval_3)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ldv_usb_gadget)=0, \old(ldv_usb_gadget_chrdev)=0, \old(ldv_usb_gadget_class)=0, \old(printer_driver_group0)=0, \old(printer_driver_group0)=0, \old(printer_io_operations_group1)=0, \old(printer_io_operations_group1)=0, \old(printer_io_operations_group2)=0, \old(printer_io_operations_group2)=0, \old(ref_cnt)=0, \old(usb_gadget_class)=0, \old(usb_gadget_class)=0, __this_module={4294967371:4294967700}, bcdDevice=0, config_desc={-183:0}, dev_qualifier={-362:0}, device_desc={-2:0}, driver_desc={91:0}, epnum=0, fs_ep_in_desc={-198:0}, fs_ep_out_desc={-89:0}, fs_printer_function={-148:0}, g_printer_devno={-173:0}, hs_ep_in_desc={-81:0}, hs_ep_out_desc={-147:0}, hs_printer_function={-87:0}, idProduct=0, idVendor=0, iManufacturer={0:0}, intf_desc={-88:0}, iPNPstring={0:0}, iProduct={0:0}, iSerialNum={0:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_usb_gadget=0, ldv_usb_gadget_chrdev=0, ldv_usb_gadget_class=0, manufacturer={93:0}, otg_desc={22:0}, pnp_string={12:0}, printer_driver={-243:0}, printer_driver_group0={0:0}, printer_io_operations={-72:0}, printer_io_operations_group1={0:0}, printer_io_operations_group2={0:0}, printer_mutex={-178:0}, product_desc={-90:0}, qlen=10, ref_cnt=0, serial_num={-146:0}, shortname={122:0}, strings={-149:0}, stringtab={51:0}, usb_gadget_class={0:0}, usb_printer_gadget={-110:0}] [L3211] void *tmp ; [L3213] tmp = __VERIFIER_nondet_pointer() [L3214] return (tmp); [L5892] RET, EXPR ldv_undef_ptr() VAL [\old(epnum)=0, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_retval_2)=0, \old(ldv_retval_3)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ldv_usb_gadget)=0, \old(ldv_usb_gadget_chrdev)=0, \old(ldv_usb_gadget_class)=0, \old(printer_driver_group0)=0, \old(printer_driver_group0)=0, \old(printer_io_operations_group1)=0, \old(printer_io_operations_group1)=0, \old(printer_io_operations_group2)=0, \old(printer_io_operations_group2)=0, \old(ref_cnt)=0, \old(usb_gadget_class)=0, \old(usb_gadget_class)=0, __this_module={4294967371:4294967700}, bcdDevice=0, config_desc={-183:0}, dev_qualifier={-362:0}, device_desc={-2:0}, driver_desc={91:0}, epnum=0, fs_ep_in_desc={-198:0}, fs_ep_out_desc={-89:0}, fs_printer_function={-148:0}, g_printer_devno={-173:0}, hs_ep_in_desc={-81:0}, hs_ep_out_desc={-147:0}, hs_printer_function={-87:0}, idProduct=0, idVendor=0, iManufacturer={0:0}, intf_desc={-88:0}, iPNPstring={0:0}, iProduct={0:0}, iSerialNum={0:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_undef_ptr()={99:86}, ldv_usb_gadget=0, ldv_usb_gadget_chrdev=0, ldv_usb_gadget_class=0, manufacturer={93:0}, otg_desc={22:0}, pnp_string={12:0}, printer_driver={-243:0}, printer_driver_group0={0:0}, printer_io_operations={-72:0}, printer_io_operations_group1={0:0}, printer_io_operations_group2={0:0}, printer_mutex={-178:0}, product_desc={-90:0}, qlen=10, ref_cnt=0, serial_num={-146:0}, shortname={122:0}, strings={-149:0}, stringtab={51:0}, usb_gadget_class={0:0}, usb_printer_gadget={-110:0}] [L5892] is_got = ldv_undef_ptr() [L5893] COND TRUE (unsigned long )is_got <= 2012UL VAL [\old(epnum)=0, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_retval_2)=0, \old(ldv_retval_3)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ldv_usb_gadget)=0, \old(ldv_usb_gadget_chrdev)=0, \old(ldv_usb_gadget_class)=0, \old(printer_driver_group0)=0, \old(printer_driver_group0)=0, \old(printer_io_operations_group1)=0, \old(printer_io_operations_group1)=0, \old(printer_io_operations_group2)=0, \old(printer_io_operations_group2)=0, \old(ref_cnt)=0, \old(usb_gadget_class)=0, \old(usb_gadget_class)=0, __this_module={4294967371:4294967700}, bcdDevice=0, config_desc={-183:0}, dev_qualifier={-362:0}, device_desc={-2:0}, driver_desc={91:0}, epnum=0, fs_ep_in_desc={-198:0}, fs_ep_out_desc={-89:0}, fs_printer_function={-148:0}, g_printer_devno={-173:0}, hs_ep_in_desc={-81:0}, hs_ep_out_desc={-147:0}, hs_printer_function={-87:0}, idProduct=0, idVendor=0, iManufacturer={0:0}, intf_desc={-88:0}, iPNPstring={0:0}, iProduct={0:0}, is_got={99:86}, iSerialNum={0:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_usb_gadget=0, ldv_usb_gadget_chrdev=0, ldv_usb_gadget_class=0, manufacturer={93:0}, otg_desc={22:0}, pnp_string={12:0}, printer_driver={-243:0}, printer_driver_group0={0:0}, printer_io_operations={-72:0}, printer_io_operations_group1={0:0}, printer_io_operations_group2={0:0}, printer_mutex={-178:0}, product_desc={-90:0}, qlen=10, ref_cnt=0, serial_num={-146:0}, shortname={122:0}, strings={-149:0}, stringtab={51:0}, usb_gadget_class={0:0}, usb_printer_gadget={-110:0}] [L5894] COND TRUE ldv_usb_gadget == 0 VAL [\old(epnum)=0, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_retval_2)=0, \old(ldv_retval_3)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ldv_usb_gadget)=0, \old(ldv_usb_gadget_chrdev)=0, \old(ldv_usb_gadget_class)=0, \old(printer_driver_group0)=0, \old(printer_driver_group0)=0, \old(printer_io_operations_group1)=0, \old(printer_io_operations_group1)=0, \old(printer_io_operations_group2)=0, \old(printer_io_operations_group2)=0, \old(ref_cnt)=0, \old(usb_gadget_class)=0, \old(usb_gadget_class)=0, __this_module={4294967371:4294967700}, bcdDevice=0, config_desc={-183:0}, dev_qualifier={-362:0}, device_desc={-2:0}, driver_desc={91:0}, epnum=0, fs_ep_in_desc={-198:0}, fs_ep_out_desc={-89:0}, fs_printer_function={-148:0}, g_printer_devno={-173:0}, hs_ep_in_desc={-81:0}, hs_ep_out_desc={-147:0}, hs_printer_function={-87:0}, idProduct=0, idVendor=0, iManufacturer={0:0}, intf_desc={-88:0}, iPNPstring={0:0}, iProduct={0:0}, is_got={99:86}, iSerialNum={0:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_usb_gadget=0, ldv_usb_gadget_chrdev=0, ldv_usb_gadget_class=0, manufacturer={93:0}, otg_desc={22:0}, pnp_string={12:0}, printer_driver={-243:0}, printer_driver_group0={0:0}, printer_io_operations={-72:0}, printer_io_operations_group1={0:0}, printer_io_operations_group2={0:0}, printer_mutex={-178:0}, product_desc={-90:0}, qlen=10, ref_cnt=0, serial_num={-146:0}, shortname={122:0}, strings={-149:0}, stringtab={51:0}, usb_gadget_class={0:0}, usb_printer_gadget={-110:0}] [L5898] COND TRUE ldv_usb_gadget_class == 0 VAL [\old(epnum)=0, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_retval_2)=0, \old(ldv_retval_3)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ldv_usb_gadget)=0, \old(ldv_usb_gadget_chrdev)=0, \old(ldv_usb_gadget_class)=0, \old(printer_driver_group0)=0, \old(printer_driver_group0)=0, \old(printer_io_operations_group1)=0, \old(printer_io_operations_group1)=0, \old(printer_io_operations_group2)=0, \old(printer_io_operations_group2)=0, \old(ref_cnt)=0, \old(usb_gadget_class)=0, \old(usb_gadget_class)=0, __this_module={4294967371:4294967700}, bcdDevice=0, config_desc={-183:0}, dev_qualifier={-362:0}, device_desc={-2:0}, driver_desc={91:0}, epnum=0, fs_ep_in_desc={-198:0}, fs_ep_out_desc={-89:0}, fs_printer_function={-148:0}, g_printer_devno={-173:0}, hs_ep_in_desc={-81:0}, hs_ep_out_desc={-147:0}, hs_printer_function={-87:0}, idProduct=0, idVendor=0, iManufacturer={0:0}, intf_desc={-88:0}, iPNPstring={0:0}, iProduct={0:0}, is_got={99:86}, iSerialNum={0:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_usb_gadget=0, ldv_usb_gadget_chrdev=0, ldv_usb_gadget_class=0, manufacturer={93:0}, otg_desc={22:0}, pnp_string={12:0}, printer_driver={-243:0}, printer_driver_group0={0:0}, printer_io_operations={-72:0}, printer_io_operations_group1={0:0}, printer_io_operations_group2={0:0}, printer_mutex={-178:0}, product_desc={-90:0}, qlen=10, ref_cnt=0, serial_num={-146:0}, shortname={122:0}, strings={-149:0}, stringtab={51:0}, usb_gadget_class={0:0}, usb_printer_gadget={-110:0}] [L5902] ldv_usb_gadget_class = 1 VAL [\old(epnum)=0, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_retval_2)=0, \old(ldv_retval_3)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ldv_usb_gadget)=0, \old(ldv_usb_gadget_chrdev)=0, \old(ldv_usb_gadget_class)=0, \old(printer_driver_group0)=0, \old(printer_driver_group0)=0, \old(printer_io_operations_group1)=0, \old(printer_io_operations_group1)=0, \old(printer_io_operations_group2)=0, \old(printer_io_operations_group2)=0, \old(ref_cnt)=0, \old(usb_gadget_class)=0, \old(usb_gadget_class)=0, __this_module={4294967371:4294967700}, bcdDevice=0, config_desc={-183:0}, dev_qualifier={-362:0}, device_desc={-2:0}, driver_desc={91:0}, epnum=0, fs_ep_in_desc={-198:0}, fs_ep_out_desc={-89:0}, fs_printer_function={-148:0}, g_printer_devno={-173:0}, hs_ep_in_desc={-81:0}, hs_ep_out_desc={-147:0}, hs_printer_function={-87:0}, idProduct=0, idVendor=0, iManufacturer={0:0}, intf_desc={-88:0}, iPNPstring={0:0}, iProduct={0:0}, is_got={99:86}, iSerialNum={0:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_usb_gadget=0, ldv_usb_gadget_chrdev=0, ldv_usb_gadget_class=1, manufacturer={93:0}, otg_desc={22:0}, pnp_string={12:0}, printer_driver={-243:0}, printer_driver_group0={0:0}, printer_io_operations={-72:0}, printer_io_operations_group1={0:0}, printer_io_operations_group2={0:0}, printer_mutex={-178:0}, product_desc={-90:0}, qlen=10, ref_cnt=0, serial_num={-146:0}, shortname={122:0}, strings={-149:0}, stringtab={51:0}, usb_gadget_class={0:0}, usb_printer_gadget={-110:0}] [L5905] return (is_got); [L5412] RET, EXPR ldv_create_class() VAL [\old(epnum)=0, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_retval_2)=0, \old(ldv_retval_3)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ldv_usb_gadget)=0, \old(ldv_usb_gadget_chrdev)=0, \old(ldv_usb_gadget_class)=0, \old(printer_driver_group0)=0, \old(printer_driver_group0)=0, \old(printer_io_operations_group1)=0, \old(printer_io_operations_group1)=0, \old(printer_io_operations_group2)=0, \old(printer_io_operations_group2)=0, \old(ref_cnt)=0, \old(usb_gadget_class)=0, \old(usb_gadget_class)=0, __this_module={4294967371:4294967700}, bcdDevice=0, config_desc={-183:0}, dev_qualifier={-362:0}, device_desc={-2:0}, driver_desc={91:0}, epnum=0, fs_ep_in_desc={-198:0}, fs_ep_out_desc={-89:0}, fs_printer_function={-148:0}, g_printer_devno={-173:0}, hs_ep_in_desc={-81:0}, hs_ep_out_desc={-147:0}, hs_printer_function={-87:0}, idProduct=0, idVendor=0, iManufacturer={0:0}, intf_desc={-88:0}, iPNPstring={0:0}, iProduct={0:0}, iSerialNum={0:0}, ldv_create_class()={99:86}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_usb_gadget=0, ldv_usb_gadget_chrdev=0, ldv_usb_gadget_class=1, manufacturer={93:0}, otg_desc={22:0}, pnp_string={12:0}, printer_driver={-243:0}, printer_driver_group0={0:0}, printer_io_operations={-72:0}, printer_io_operations_group1={0:0}, printer_io_operations_group2={0:0}, printer_mutex={-178:0}, product_desc={-90:0}, qlen=10, ref_cnt=0, serial_num={-146:0}, shortname={122:0}, strings={-149:0}, stringtab={51:0}, usb_gadget_class={0:0}, usb_printer_gadget={-110:0}] [L5412] tmp = ldv_create_class() [L5413] usb_gadget_class = (struct class *)tmp VAL [\old(epnum)=0, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_retval_2)=0, \old(ldv_retval_3)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ldv_usb_gadget)=0, \old(ldv_usb_gadget_chrdev)=0, \old(ldv_usb_gadget_class)=0, \old(printer_driver_group0)=0, \old(printer_driver_group0)=0, \old(printer_io_operations_group1)=0, \old(printer_io_operations_group1)=0, \old(printer_io_operations_group2)=0, \old(printer_io_operations_group2)=0, \old(ref_cnt)=0, \old(usb_gadget_class)=0, \old(usb_gadget_class)=0, __this_module={4294967371:4294967700}, bcdDevice=0, config_desc={-183:0}, dev_qualifier={-362:0}, device_desc={-2:0}, driver_desc={91:0}, epnum=0, fs_ep_in_desc={-198:0}, fs_ep_out_desc={-89:0}, fs_printer_function={-148:0}, g_printer_devno={-173:0}, hs_ep_in_desc={-81:0}, hs_ep_out_desc={-147:0}, hs_printer_function={-87:0}, idProduct=0, idVendor=0, iManufacturer={0:0}, intf_desc={-88:0}, iPNPstring={0:0}, iProduct={0:0}, iSerialNum={0:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_usb_gadget=0, ldv_usb_gadget_chrdev=0, ldv_usb_gadget_class=1, manufacturer={93:0}, otg_desc={22:0}, pnp_string={12:0}, printer_driver={-243:0}, printer_driver_group0={0:0}, printer_io_operations={-72:0}, printer_io_operations_group1={0:0}, printer_io_operations_group2={0:0}, printer_mutex={-178:0}, product_desc={-90:0}, qlen=10, ref_cnt=0, serial_num={-146:0}, shortname={122:0}, strings={-149:0}, stringtab={51:0}, tmp={99:86}, usb_gadget_class={99:86}, usb_printer_gadget={-110:0}] [L5414] CALL, EXPR IS_ERR((void const *)usb_gadget_class) VAL [\old(epnum)=0, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_retval_2)=0, \old(ldv_retval_3)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ldv_usb_gadget)=0, \old(ldv_usb_gadget_chrdev)=0, \old(ldv_usb_gadget_class)=0, \old(printer_driver_group0)=0, \old(printer_driver_group0)=0, \old(printer_io_operations_group1)=0, \old(printer_io_operations_group1)=0, \old(printer_io_operations_group2)=0, \old(printer_io_operations_group2)=0, \old(ref_cnt)=0, \old(usb_gadget_class)=0, \old(usb_gadget_class)=0, __this_module={4294967371:4294967700}, bcdDevice=0, config_desc={-183:0}, dev_qualifier={-362:0}, device_desc={-2:0}, driver_desc={91:0}, epnum=0, fs_ep_in_desc={-198:0}, fs_ep_out_desc={-89:0}, fs_printer_function={-148:0}, g_printer_devno={-173:0}, hs_ep_in_desc={-81:0}, hs_ep_out_desc={-147:0}, hs_printer_function={-87:0}, idProduct=0, idVendor=0, iManufacturer={0:0}, intf_desc={-88:0}, iPNPstring={0:0}, iProduct={0:0}, iSerialNum={0:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_usb_gadget=0, ldv_usb_gadget_chrdev=0, ldv_usb_gadget_class=1, manufacturer={93:0}, otg_desc={22:0}, pnp_string={12:0}, printer_driver={-243:0}, printer_driver_group0={0:0}, printer_io_operations={-72:0}, printer_io_operations_group1={0:0}, printer_io_operations_group2={0:0}, printer_mutex={-178:0}, product_desc={-90:0}, ptr={99:86}, qlen=10, ref_cnt=0, serial_num={-146:0}, shortname={122:0}, strings={-149:0}, stringtab={51:0}, usb_gadget_class={99:86}, usb_printer_gadget={-110:0}] [L5727] long tmp ; VAL [\old(epnum)=0, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_retval_2)=0, \old(ldv_retval_3)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ldv_usb_gadget)=0, \old(ldv_usb_gadget_chrdev)=0, \old(ldv_usb_gadget_class)=0, \old(printer_driver_group0)=0, \old(printer_driver_group0)=0, \old(printer_io_operations_group1)=0, \old(printer_io_operations_group1)=0, \old(printer_io_operations_group2)=0, \old(printer_io_operations_group2)=0, \old(ref_cnt)=0, \old(usb_gadget_class)=0, \old(usb_gadget_class)=0, __this_module={4294967371:4294967700}, bcdDevice=0, config_desc={-183:0}, dev_qualifier={-362:0}, device_desc={-2:0}, driver_desc={91:0}, epnum=0, fs_ep_in_desc={-198:0}, fs_ep_out_desc={-89:0}, fs_printer_function={-148:0}, g_printer_devno={-173:0}, hs_ep_in_desc={-81:0}, hs_ep_out_desc={-147:0}, hs_printer_function={-87:0}, idProduct=0, idVendor=0, iManufacturer={0:0}, intf_desc={-88:0}, iPNPstring={0:0}, iProduct={0:0}, iSerialNum={0:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_usb_gadget=0, ldv_usb_gadget_chrdev=0, ldv_usb_gadget_class=1, manufacturer={93:0}, otg_desc={22:0}, pnp_string={12:0}, printer_driver={-243:0}, printer_driver_group0={0:0}, printer_io_operations={-72:0}, printer_io_operations_group1={0:0}, printer_io_operations_group2={0:0}, printer_mutex={-178:0}, product_desc={-90:0}, ptr={99:86}, ptr={99:86}, qlen=10, ref_cnt=0, serial_num={-146:0}, shortname={122:0}, strings={-149:0}, stringtab={51:0}, usb_gadget_class={99:86}, usb_printer_gadget={-110:0}] [L5729] CALL, EXPR ldv_is_err(ptr) VAL [\old(epnum)=0, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_retval_2)=0, \old(ldv_retval_3)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ldv_usb_gadget)=0, \old(ldv_usb_gadget_chrdev)=0, \old(ldv_usb_gadget_class)=0, \old(printer_driver_group0)=0, \old(printer_driver_group0)=0, \old(printer_io_operations_group1)=0, \old(printer_io_operations_group1)=0, \old(printer_io_operations_group2)=0, \old(printer_io_operations_group2)=0, \old(ref_cnt)=0, \old(usb_gadget_class)=0, \old(usb_gadget_class)=0, __this_module={4294967371:4294967700}, bcdDevice=0, config_desc={-183:0}, dev_qualifier={-362:0}, device_desc={-2:0}, driver_desc={91:0}, epnum=0, fs_ep_in_desc={-198:0}, fs_ep_out_desc={-89:0}, fs_printer_function={-148:0}, g_printer_devno={-173:0}, hs_ep_in_desc={-81:0}, hs_ep_out_desc={-147:0}, hs_printer_function={-87:0}, idProduct=0, idVendor=0, iManufacturer={0:0}, intf_desc={-88:0}, iPNPstring={0:0}, iProduct={0:0}, iSerialNum={0:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_usb_gadget=0, ldv_usb_gadget_chrdev=0, ldv_usb_gadget_class=1, manufacturer={93:0}, otg_desc={22:0}, pnp_string={12:0}, printer_driver={-243:0}, printer_driver_group0={0:0}, printer_io_operations={-72:0}, printer_io_operations_group1={0:0}, printer_io_operations_group2={0:0}, printer_mutex={-178:0}, product_desc={-90:0}, ptr={99:86}, qlen=10, ref_cnt=0, serial_num={-146:0}, shortname={122:0}, strings={-149:0}, stringtab={51:0}, usb_gadget_class={99:86}, usb_printer_gadget={-110:0}] [L5852] return ((unsigned long )ptr > 2012UL); [L5729] RET, EXPR ldv_is_err(ptr) VAL [\old(epnum)=0, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_retval_2)=0, \old(ldv_retval_3)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ldv_usb_gadget)=0, \old(ldv_usb_gadget_chrdev)=0, \old(ldv_usb_gadget_class)=0, \old(printer_driver_group0)=0, \old(printer_driver_group0)=0, \old(printer_io_operations_group1)=0, \old(printer_io_operations_group1)=0, \old(printer_io_operations_group2)=0, \old(printer_io_operations_group2)=0, \old(ref_cnt)=0, \old(usb_gadget_class)=0, \old(usb_gadget_class)=0, __this_module={4294967371:4294967700}, bcdDevice=0, config_desc={-183:0}, dev_qualifier={-362:0}, device_desc={-2:0}, driver_desc={91:0}, epnum=0, fs_ep_in_desc={-198:0}, fs_ep_out_desc={-89:0}, fs_printer_function={-148:0}, g_printer_devno={-173:0}, hs_ep_in_desc={-81:0}, hs_ep_out_desc={-147:0}, hs_printer_function={-87:0}, idProduct=0, idVendor=0, iManufacturer={0:0}, intf_desc={-88:0}, iPNPstring={0:0}, iProduct={0:0}, iSerialNum={0:0}, LDV_IN_INTERRUPT=1, ldv_is_err(ptr)=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_usb_gadget=0, ldv_usb_gadget_chrdev=0, ldv_usb_gadget_class=1, manufacturer={93:0}, otg_desc={22:0}, pnp_string={12:0}, printer_driver={-243:0}, printer_driver_group0={0:0}, printer_io_operations={-72:0}, printer_io_operations_group1={0:0}, printer_io_operations_group2={0:0}, printer_mutex={-178:0}, product_desc={-90:0}, ptr={99:86}, ptr={99:86}, qlen=10, ref_cnt=0, serial_num={-146:0}, shortname={122:0}, strings={-149:0}, stringtab={51:0}, usb_gadget_class={99:86}, usb_printer_gadget={-110:0}] [L5729] tmp = ldv_is_err(ptr) [L5730] return (tmp); [L5414] RET, EXPR IS_ERR((void const *)usb_gadget_class) VAL [\old(epnum)=0, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_retval_2)=0, \old(ldv_retval_3)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ldv_usb_gadget)=0, \old(ldv_usb_gadget_chrdev)=0, \old(ldv_usb_gadget_class)=0, \old(printer_driver_group0)=0, \old(printer_driver_group0)=0, \old(printer_io_operations_group1)=0, \old(printer_io_operations_group1)=0, \old(printer_io_operations_group2)=0, \old(printer_io_operations_group2)=0, \old(ref_cnt)=0, \old(usb_gadget_class)=0, \old(usb_gadget_class)=0, __this_module={4294967371:4294967700}, bcdDevice=0, config_desc={-183:0}, dev_qualifier={-362:0}, device_desc={-2:0}, driver_desc={91:0}, epnum=0, fs_ep_in_desc={-198:0}, fs_ep_out_desc={-89:0}, fs_printer_function={-148:0}, g_printer_devno={-173:0}, hs_ep_in_desc={-81:0}, hs_ep_out_desc={-147:0}, hs_printer_function={-87:0}, idProduct=0, idVendor=0, iManufacturer={0:0}, intf_desc={-88:0}, iPNPstring={0:0}, iProduct={0:0}, IS_ERR((void const *)usb_gadget_class)=0, iSerialNum={0:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_usb_gadget=0, ldv_usb_gadget_chrdev=0, ldv_usb_gadget_class=1, manufacturer={93:0}, otg_desc={22:0}, pnp_string={12:0}, printer_driver={-243:0}, printer_driver_group0={0:0}, printer_io_operations={-72:0}, printer_io_operations_group1={0:0}, printer_io_operations_group2={0:0}, printer_mutex={-178:0}, product_desc={-90:0}, qlen=10, ref_cnt=0, serial_num={-146:0}, shortname={122:0}, strings={-149:0}, stringtab={51:0}, tmp={99:86}, usb_gadget_class={99:86}, usb_printer_gadget={-110:0}] [L5414] tmp___1 = IS_ERR((void const *)usb_gadget_class) [L5415] COND FALSE !(tmp___1 != 0L) VAL [\old(epnum)=0, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_retval_2)=0, \old(ldv_retval_3)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ldv_usb_gadget)=0, \old(ldv_usb_gadget_chrdev)=0, \old(ldv_usb_gadget_class)=0, \old(printer_driver_group0)=0, \old(printer_driver_group0)=0, \old(printer_io_operations_group1)=0, \old(printer_io_operations_group1)=0, \old(printer_io_operations_group2)=0, \old(printer_io_operations_group2)=0, \old(ref_cnt)=0, \old(usb_gadget_class)=0, \old(usb_gadget_class)=0, __this_module={4294967371:4294967700}, bcdDevice=0, config_desc={-183:0}, dev_qualifier={-362:0}, device_desc={-2:0}, driver_desc={91:0}, epnum=0, fs_ep_in_desc={-198:0}, fs_ep_out_desc={-89:0}, fs_printer_function={-148:0}, g_printer_devno={-173:0}, hs_ep_in_desc={-81:0}, hs_ep_out_desc={-147:0}, hs_printer_function={-87:0}, idProduct=0, idVendor=0, iManufacturer={0:0}, intf_desc={-88:0}, iPNPstring={0:0}, iProduct={0:0}, iSerialNum={0:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_usb_gadget=0, ldv_usb_gadget_chrdev=0, ldv_usb_gadget_class=1, manufacturer={93:0}, otg_desc={22:0}, pnp_string={12:0}, printer_driver={-243:0}, printer_driver_group0={0:0}, printer_io_operations={-72:0}, printer_io_operations_group1={0:0}, printer_io_operations_group2={0:0}, printer_mutex={-178:0}, product_desc={-90:0}, qlen=10, ref_cnt=0, serial_num={-146:0}, shortname={122:0}, strings={-149:0}, stringtab={51:0}, tmp={99:86}, tmp___1=0, usb_gadget_class={99:86}, usb_printer_gadget={-110:0}] [L5423] CALL, EXPR ldv_alloc_chrdev_region_7(& g_printer_devno, 0U, 1U, "USB printer gadget") VAL [\old(epnum)=0, \old(ldv_func_arg2)=0, \old(ldv_func_arg3)=1, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_retval_2)=0, \old(ldv_retval_3)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ldv_usb_gadget)=0, \old(ldv_usb_gadget_chrdev)=0, \old(ldv_usb_gadget_class)=0, \old(printer_driver_group0)=0, \old(printer_driver_group0)=0, \old(printer_io_operations_group1)=0, \old(printer_io_operations_group1)=0, \old(printer_io_operations_group2)=0, \old(printer_io_operations_group2)=0, \old(ref_cnt)=0, \old(usb_gadget_class)=0, \old(usb_gadget_class)=0, __this_module={4294967371:4294967700}, bcdDevice=0, config_desc={-183:0}, dev_qualifier={-362:0}, device_desc={-2:0}, driver_desc={91:0}, epnum=0, fs_ep_in_desc={-198:0}, fs_ep_out_desc={-89:0}, fs_printer_function={-148:0}, g_printer_devno={-173:0}, hs_ep_in_desc={-81:0}, hs_ep_out_desc={-147:0}, hs_printer_function={-87:0}, idProduct=0, idVendor=0, iManufacturer={0:0}, intf_desc={-88:0}, iPNPstring={0:0}, iProduct={0:0}, iSerialNum={0:0}, ldv_func_arg1={-173:0}, ldv_func_arg4={-181:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_usb_gadget=0, ldv_usb_gadget_chrdev=0, ldv_usb_gadget_class=1, manufacturer={93:0}, otg_desc={22:0}, pnp_string={12:0}, printer_driver={-243:0}, printer_driver_group0={0:0}, printer_io_operations={-72:0}, printer_io_operations_group1={0:0}, printer_io_operations_group2={0:0}, printer_mutex={-178:0}, product_desc={-90:0}, qlen=10, ref_cnt=0, serial_num={-146:0}, shortname={122:0}, strings={-149:0}, stringtab={51:0}, usb_gadget_class={99:86}, usb_printer_gadget={-110:0}] [L5753] ldv_func_ret_type ldv_func_res ; [L5754] int tmp ; [L5755] int tmp___0 ; VAL [\old(epnum)=0, \old(ldv_func_arg2)=0, \old(ldv_func_arg3)=1, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_retval_2)=0, \old(ldv_retval_3)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ldv_usb_gadget)=0, \old(ldv_usb_gadget_chrdev)=0, \old(ldv_usb_gadget_class)=0, \old(printer_driver_group0)=0, \old(printer_driver_group0)=0, \old(printer_io_operations_group1)=0, \old(printer_io_operations_group1)=0, \old(printer_io_operations_group2)=0, \old(printer_io_operations_group2)=0, \old(ref_cnt)=0, \old(usb_gadget_class)=0, \old(usb_gadget_class)=0, __this_module={4294967371:4294967700}, bcdDevice=0, config_desc={-183:0}, dev_qualifier={-362:0}, device_desc={-2:0}, driver_desc={91:0}, epnum=0, fs_ep_in_desc={-198:0}, fs_ep_out_desc={-89:0}, fs_printer_function={-148:0}, g_printer_devno={-173:0}, hs_ep_in_desc={-81:0}, hs_ep_out_desc={-147:0}, hs_printer_function={-87:0}, idProduct=0, idVendor=0, iManufacturer={0:0}, intf_desc={-88:0}, iPNPstring={0:0}, iProduct={0:0}, iSerialNum={0:0}, ldv_func_arg1={-173:0}, ldv_func_arg1={-173:0}, ldv_func_arg2=0, ldv_func_arg3=1, ldv_func_arg4={-181:0}, ldv_func_arg4={-181:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_usb_gadget=0, ldv_usb_gadget_chrdev=0, ldv_usb_gadget_class=1, manufacturer={93:0}, otg_desc={22:0}, pnp_string={12:0}, printer_driver={-243:0}, printer_driver_group0={0:0}, printer_io_operations={-72:0}, printer_io_operations_group1={0:0}, printer_io_operations_group2={0:0}, printer_mutex={-178:0}, product_desc={-90:0}, qlen=10, ref_cnt=0, serial_num={-146:0}, shortname={122:0}, strings={-149:0}, stringtab={51:0}, usb_gadget_class={99:86}, usb_printer_gadget={-110:0}] [L5757] CALL, EXPR alloc_chrdev_region(ldv_func_arg1, ldv_func_arg2, ldv_func_arg3, ldv_func_arg4) VAL [\old(arg1)=0, \old(arg2)=1, \old(epnum)=0, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_retval_2)=0, \old(ldv_retval_3)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ldv_usb_gadget)=0, \old(ldv_usb_gadget_chrdev)=0, \old(ldv_usb_gadget_class)=0, \old(printer_driver_group0)=0, \old(printer_driver_group0)=0, \old(printer_io_operations_group1)=0, \old(printer_io_operations_group1)=0, \old(printer_io_operations_group2)=0, \old(printer_io_operations_group2)=0, \old(ref_cnt)=0, \old(usb_gadget_class)=0, \old(usb_gadget_class)=0, __this_module={4294967371:4294967700}, arg0={-173:0}, arg3={-181:0}, bcdDevice=0, config_desc={-183:0}, dev_qualifier={-362:0}, device_desc={-2:0}, driver_desc={91:0}, epnum=0, fs_ep_in_desc={-198:0}, fs_ep_out_desc={-89:0}, fs_printer_function={-148:0}, g_printer_devno={-173:0}, hs_ep_in_desc={-81:0}, hs_ep_out_desc={-147:0}, hs_printer_function={-87:0}, idProduct=0, idVendor=0, iManufacturer={0:0}, intf_desc={-88:0}, iPNPstring={0:0}, iProduct={0:0}, iSerialNum={0:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_usb_gadget=0, ldv_usb_gadget_chrdev=0, ldv_usb_gadget_class=1, manufacturer={93:0}, otg_desc={22:0}, pnp_string={12:0}, printer_driver={-243:0}, printer_driver_group0={0:0}, printer_io_operations={-72:0}, printer_io_operations_group1={0:0}, printer_io_operations_group2={0:0}, printer_mutex={-178:0}, product_desc={-90:0}, qlen=10, ref_cnt=0, serial_num={-146:0}, shortname={122:0}, strings={-149:0}, stringtab={51:0}, usb_gadget_class={99:86}, usb_printer_gadget={-110:0}] [L6065] return __VERIFIER_nondet_int(); [L5757] RET, EXPR alloc_chrdev_region(ldv_func_arg1, ldv_func_arg2, ldv_func_arg3, ldv_func_arg4) VAL [\old(epnum)=0, \old(ldv_func_arg2)=0, \old(ldv_func_arg3)=1, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_retval_2)=0, \old(ldv_retval_3)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ldv_usb_gadget)=0, \old(ldv_usb_gadget_chrdev)=0, \old(ldv_usb_gadget_class)=0, \old(printer_driver_group0)=0, \old(printer_driver_group0)=0, \old(printer_io_operations_group1)=0, \old(printer_io_operations_group1)=0, \old(printer_io_operations_group2)=0, \old(printer_io_operations_group2)=0, \old(ref_cnt)=0, \old(usb_gadget_class)=0, \old(usb_gadget_class)=0, __this_module={4294967371:4294967700}, alloc_chrdev_region(ldv_func_arg1, ldv_func_arg2, ldv_func_arg3, ldv_func_arg4)=123, bcdDevice=0, config_desc={-183:0}, dev_qualifier={-362:0}, device_desc={-2:0}, driver_desc={91:0}, epnum=0, fs_ep_in_desc={-198:0}, fs_ep_out_desc={-89:0}, fs_printer_function={-148:0}, g_printer_devno={-173:0}, hs_ep_in_desc={-81:0}, hs_ep_out_desc={-147:0}, hs_printer_function={-87:0}, idProduct=0, idVendor=0, iManufacturer={0:0}, intf_desc={-88:0}, iPNPstring={0:0}, iProduct={0:0}, iSerialNum={0:0}, ldv_func_arg1={-173:0}, ldv_func_arg1={-173:0}, ldv_func_arg2=0, ldv_func_arg3=1, ldv_func_arg4={-181:0}, ldv_func_arg4={-181:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_usb_gadget=0, ldv_usb_gadget_chrdev=0, ldv_usb_gadget_class=1, manufacturer={93:0}, otg_desc={22:0}, pnp_string={12:0}, printer_driver={-243:0}, printer_driver_group0={0:0}, printer_io_operations={-72:0}, printer_io_operations_group1={0:0}, printer_io_operations_group2={0:0}, printer_mutex={-178:0}, product_desc={-90:0}, qlen=10, ref_cnt=0, serial_num={-146:0}, shortname={122:0}, strings={-149:0}, stringtab={51:0}, usb_gadget_class={99:86}, usb_printer_gadget={-110:0}] [L5757] tmp = alloc_chrdev_region(ldv_func_arg1, ldv_func_arg2, ldv_func_arg3, ldv_func_arg4) [L5758] ldv_func_res = tmp VAL [\old(epnum)=0, \old(ldv_func_arg2)=0, \old(ldv_func_arg3)=1, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_retval_2)=0, \old(ldv_retval_3)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ldv_usb_gadget)=0, \old(ldv_usb_gadget_chrdev)=0, \old(ldv_usb_gadget_class)=0, \old(printer_driver_group0)=0, \old(printer_driver_group0)=0, \old(printer_io_operations_group1)=0, \old(printer_io_operations_group1)=0, \old(printer_io_operations_group2)=0, \old(printer_io_operations_group2)=0, \old(ref_cnt)=0, \old(usb_gadget_class)=0, \old(usb_gadget_class)=0, __this_module={4294967371:4294967700}, bcdDevice=0, config_desc={-183:0}, dev_qualifier={-362:0}, device_desc={-2:0}, driver_desc={91:0}, epnum=0, fs_ep_in_desc={-198:0}, fs_ep_out_desc={-89:0}, fs_printer_function={-148:0}, g_printer_devno={-173:0}, hs_ep_in_desc={-81:0}, hs_ep_out_desc={-147:0}, hs_printer_function={-87:0}, idProduct=0, idVendor=0, iManufacturer={0:0}, intf_desc={-88:0}, iPNPstring={0:0}, iProduct={0:0}, iSerialNum={0:0}, ldv_func_arg1={-173:0}, ldv_func_arg1={-173:0}, ldv_func_arg2=0, ldv_func_arg3=1, ldv_func_arg4={-181:0}, ldv_func_arg4={-181:0}, ldv_func_res=123, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_usb_gadget=0, ldv_usb_gadget_chrdev=0, ldv_usb_gadget_class=1, manufacturer={93:0}, otg_desc={22:0}, pnp_string={12:0}, printer_driver={-243:0}, printer_driver_group0={0:0}, printer_io_operations={-72:0}, printer_io_operations_group1={0:0}, printer_io_operations_group2={0:0}, printer_mutex={-178:0}, product_desc={-90:0}, qlen=10, ref_cnt=0, serial_num={-146:0}, shortname={122:0}, strings={-149:0}, stringtab={51:0}, tmp=123, usb_gadget_class={99:86}, usb_printer_gadget={-110:0}] [L5759] CALL, EXPR ldv_register_chrdev_region() VAL [\old(epnum)=0, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_retval_2)=0, \old(ldv_retval_3)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ldv_usb_gadget)=0, \old(ldv_usb_gadget_chrdev)=0, \old(ldv_usb_gadget_class)=0, \old(printer_driver_group0)=0, \old(printer_driver_group0)=0, \old(printer_io_operations_group1)=0, \old(printer_io_operations_group1)=0, \old(printer_io_operations_group2)=0, \old(printer_io_operations_group2)=0, \old(ref_cnt)=0, \old(usb_gadget_class)=0, \old(usb_gadget_class)=0, __this_module={4294967371:4294967700}, bcdDevice=0, config_desc={-183:0}, dev_qualifier={-362:0}, device_desc={-2:0}, driver_desc={91:0}, epnum=0, fs_ep_in_desc={-198:0}, fs_ep_out_desc={-89:0}, fs_printer_function={-148:0}, g_printer_devno={-173:0}, hs_ep_in_desc={-81:0}, hs_ep_out_desc={-147:0}, hs_printer_function={-87:0}, idProduct=0, idVendor=0, iManufacturer={0:0}, intf_desc={-88:0}, iPNPstring={0:0}, iProduct={0:0}, iSerialNum={0:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_usb_gadget=0, ldv_usb_gadget_chrdev=0, ldv_usb_gadget_class=1, manufacturer={93:0}, otg_desc={22:0}, pnp_string={12:0}, printer_driver={-243:0}, printer_driver_group0={0:0}, printer_io_operations={-72:0}, printer_io_operations_group1={0:0}, printer_io_operations_group2={0:0}, printer_mutex={-178:0}, product_desc={-90:0}, qlen=10, ref_cnt=0, serial_num={-146:0}, shortname={122:0}, strings={-149:0}, stringtab={51:0}, usb_gadget_class={99:86}, usb_printer_gadget={-110:0}] [L5945] int is_reg ; VAL [\old(epnum)=0, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_retval_2)=0, \old(ldv_retval_3)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ldv_usb_gadget)=0, \old(ldv_usb_gadget_chrdev)=0, \old(ldv_usb_gadget_class)=0, \old(printer_driver_group0)=0, \old(printer_driver_group0)=0, \old(printer_io_operations_group1)=0, \old(printer_io_operations_group1)=0, \old(printer_io_operations_group2)=0, \old(printer_io_operations_group2)=0, \old(ref_cnt)=0, \old(usb_gadget_class)=0, \old(usb_gadget_class)=0, __this_module={4294967371:4294967700}, bcdDevice=0, config_desc={-183:0}, dev_qualifier={-362:0}, device_desc={-2:0}, driver_desc={91:0}, epnum=0, fs_ep_in_desc={-198:0}, fs_ep_out_desc={-89:0}, fs_printer_function={-148:0}, g_printer_devno={-173:0}, hs_ep_in_desc={-81:0}, hs_ep_out_desc={-147:0}, hs_printer_function={-87:0}, idProduct=0, idVendor=0, iManufacturer={0:0}, intf_desc={-88:0}, iPNPstring={0:0}, iProduct={0:0}, iSerialNum={0:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_usb_gadget=0, ldv_usb_gadget_chrdev=0, ldv_usb_gadget_class=1, manufacturer={93:0}, otg_desc={22:0}, pnp_string={12:0}, printer_driver={-243:0}, printer_driver_group0={0:0}, printer_io_operations={-72:0}, printer_io_operations_group1={0:0}, printer_io_operations_group2={0:0}, printer_mutex={-178:0}, product_desc={-90:0}, qlen=10, ref_cnt=0, serial_num={-146:0}, shortname={122:0}, strings={-149:0}, stringtab={51:0}, usb_gadget_class={99:86}, usb_printer_gadget={-110:0}] [L5947] CALL, EXPR ldv_undef_int_nonpositive() VAL [\old(epnum)=0, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_retval_2)=0, \old(ldv_retval_3)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ldv_usb_gadget)=0, \old(ldv_usb_gadget_chrdev)=0, \old(ldv_usb_gadget_class)=0, \old(printer_driver_group0)=0, \old(printer_driver_group0)=0, \old(printer_io_operations_group1)=0, \old(printer_io_operations_group1)=0, \old(printer_io_operations_group2)=0, \old(printer_io_operations_group2)=0, \old(ref_cnt)=0, \old(usb_gadget_class)=0, \old(usb_gadget_class)=0, __this_module={4294967371:4294967700}, bcdDevice=0, config_desc={-183:0}, dev_qualifier={-362:0}, device_desc={-2:0}, driver_desc={91:0}, epnum=0, fs_ep_in_desc={-198:0}, fs_ep_out_desc={-89:0}, fs_printer_function={-148:0}, g_printer_devno={-173:0}, hs_ep_in_desc={-81:0}, hs_ep_out_desc={-147:0}, hs_printer_function={-87:0}, idProduct=0, idVendor=0, iManufacturer={0:0}, intf_desc={-88:0}, iPNPstring={0:0}, iProduct={0:0}, iSerialNum={0:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_usb_gadget=0, ldv_usb_gadget_chrdev=0, ldv_usb_gadget_class=1, manufacturer={93:0}, otg_desc={22:0}, pnp_string={12:0}, printer_driver={-243:0}, printer_driver_group0={0:0}, printer_io_operations={-72:0}, printer_io_operations_group1={0:0}, printer_io_operations_group2={0:0}, printer_mutex={-178:0}, product_desc={-90:0}, qlen=10, ref_cnt=0, serial_num={-146:0}, shortname={122:0}, strings={-149:0}, stringtab={51:0}, usb_gadget_class={99:86}, usb_printer_gadget={-110:0}] [L5837] int ret ; [L5838] int tmp ; VAL [\old(epnum)=0, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_retval_2)=0, \old(ldv_retval_3)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ldv_usb_gadget)=0, \old(ldv_usb_gadget_chrdev)=0, \old(ldv_usb_gadget_class)=0, \old(printer_driver_group0)=0, \old(printer_driver_group0)=0, \old(printer_io_operations_group1)=0, \old(printer_io_operations_group1)=0, \old(printer_io_operations_group2)=0, \old(printer_io_operations_group2)=0, \old(ref_cnt)=0, \old(usb_gadget_class)=0, \old(usb_gadget_class)=0, __this_module={4294967371:4294967700}, bcdDevice=0, config_desc={-183:0}, dev_qualifier={-362:0}, device_desc={-2:0}, driver_desc={91:0}, epnum=0, fs_ep_in_desc={-198:0}, fs_ep_out_desc={-89:0}, fs_printer_function={-148:0}, g_printer_devno={-173:0}, hs_ep_in_desc={-81:0}, hs_ep_out_desc={-147:0}, hs_printer_function={-87:0}, idProduct=0, idVendor=0, iManufacturer={0:0}, intf_desc={-88:0}, iPNPstring={0:0}, iProduct={0:0}, iSerialNum={0:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_usb_gadget=0, ldv_usb_gadget_chrdev=0, ldv_usb_gadget_class=1, manufacturer={93:0}, otg_desc={22:0}, pnp_string={12:0}, printer_driver={-243:0}, printer_driver_group0={0:0}, printer_io_operations={-72:0}, printer_io_operations_group1={0:0}, printer_io_operations_group2={0:0}, printer_mutex={-178:0}, product_desc={-90:0}, qlen=10, ref_cnt=0, serial_num={-146:0}, shortname={122:0}, strings={-149:0}, stringtab={51:0}, usb_gadget_class={99:86}, usb_printer_gadget={-110:0}] [L5840] CALL, EXPR ldv_undef_int() VAL [\old(epnum)=0, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_retval_2)=0, \old(ldv_retval_3)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ldv_usb_gadget)=0, \old(ldv_usb_gadget_chrdev)=0, \old(ldv_usb_gadget_class)=0, \old(printer_driver_group0)=0, \old(printer_driver_group0)=0, \old(printer_io_operations_group1)=0, \old(printer_io_operations_group1)=0, \old(printer_io_operations_group2)=0, \old(printer_io_operations_group2)=0, \old(ref_cnt)=0, \old(usb_gadget_class)=0, \old(usb_gadget_class)=0, __this_module={4294967371:4294967700}, bcdDevice=0, config_desc={-183:0}, dev_qualifier={-362:0}, device_desc={-2:0}, driver_desc={91:0}, epnum=0, fs_ep_in_desc={-198:0}, fs_ep_out_desc={-89:0}, fs_printer_function={-148:0}, g_printer_devno={-173:0}, hs_ep_in_desc={-81:0}, hs_ep_out_desc={-147:0}, hs_printer_function={-87:0}, idProduct=0, idVendor=0, iManufacturer={0:0}, intf_desc={-88:0}, iPNPstring={0:0}, iProduct={0:0}, iSerialNum={0:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_usb_gadget=0, ldv_usb_gadget_chrdev=0, ldv_usb_gadget_class=1, manufacturer={93:0}, otg_desc={22:0}, pnp_string={12:0}, printer_driver={-243:0}, printer_driver_group0={0:0}, printer_io_operations={-72:0}, printer_io_operations_group1={0:0}, printer_io_operations_group2={0:0}, printer_mutex={-178:0}, product_desc={-90:0}, qlen=10, ref_cnt=0, serial_num={-146:0}, shortname={122:0}, strings={-149:0}, stringtab={51:0}, usb_gadget_class={99:86}, usb_printer_gadget={-110:0}] [L3203] int tmp ; [L3205] tmp = __VERIFIER_nondet_int() [L3206] return (tmp); [L5840] RET, EXPR ldv_undef_int() VAL [\old(epnum)=0, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_retval_2)=0, \old(ldv_retval_3)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ldv_usb_gadget)=0, \old(ldv_usb_gadget_chrdev)=0, \old(ldv_usb_gadget_class)=0, \old(printer_driver_group0)=0, \old(printer_driver_group0)=0, \old(printer_io_operations_group1)=0, \old(printer_io_operations_group1)=0, \old(printer_io_operations_group2)=0, \old(printer_io_operations_group2)=0, \old(ref_cnt)=0, \old(usb_gadget_class)=0, \old(usb_gadget_class)=0, __this_module={4294967371:4294967700}, bcdDevice=0, config_desc={-183:0}, dev_qualifier={-362:0}, device_desc={-2:0}, driver_desc={91:0}, epnum=0, fs_ep_in_desc={-198:0}, fs_ep_out_desc={-89:0}, fs_printer_function={-148:0}, g_printer_devno={-173:0}, hs_ep_in_desc={-81:0}, hs_ep_out_desc={-147:0}, hs_printer_function={-87:0}, idProduct=0, idVendor=0, iManufacturer={0:0}, intf_desc={-88:0}, iPNPstring={0:0}, iProduct={0:0}, iSerialNum={0:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_undef_int()=0, ldv_usb_gadget=0, ldv_usb_gadget_chrdev=0, ldv_usb_gadget_class=1, manufacturer={93:0}, otg_desc={22:0}, pnp_string={12:0}, printer_driver={-243:0}, printer_driver_group0={0:0}, printer_io_operations={-72:0}, printer_io_operations_group1={0:0}, printer_io_operations_group2={0:0}, printer_mutex={-178:0}, product_desc={-90:0}, qlen=10, ref_cnt=0, serial_num={-146:0}, shortname={122:0}, strings={-149:0}, stringtab={51:0}, usb_gadget_class={99:86}, usb_printer_gadget={-110:0}] [L5840] tmp = ldv_undef_int() [L5841] ret = tmp VAL [\old(epnum)=0, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_retval_2)=0, \old(ldv_retval_3)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ldv_usb_gadget)=0, \old(ldv_usb_gadget_chrdev)=0, \old(ldv_usb_gadget_class)=0, \old(printer_driver_group0)=0, \old(printer_driver_group0)=0, \old(printer_io_operations_group1)=0, \old(printer_io_operations_group1)=0, \old(printer_io_operations_group2)=0, \old(printer_io_operations_group2)=0, \old(ref_cnt)=0, \old(usb_gadget_class)=0, \old(usb_gadget_class)=0, __this_module={4294967371:4294967700}, bcdDevice=0, config_desc={-183:0}, dev_qualifier={-362:0}, device_desc={-2:0}, driver_desc={91:0}, epnum=0, fs_ep_in_desc={-198:0}, fs_ep_out_desc={-89:0}, fs_printer_function={-148:0}, g_printer_devno={-173:0}, hs_ep_in_desc={-81:0}, hs_ep_out_desc={-147:0}, hs_printer_function={-87:0}, idProduct=0, idVendor=0, iManufacturer={0:0}, intf_desc={-88:0}, iPNPstring={0:0}, iProduct={0:0}, iSerialNum={0:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_usb_gadget=0, ldv_usb_gadget_chrdev=0, ldv_usb_gadget_class=1, manufacturer={93:0}, otg_desc={22:0}, pnp_string={12:0}, printer_driver={-243:0}, printer_driver_group0={0:0}, printer_io_operations={-72:0}, printer_io_operations_group1={0:0}, printer_io_operations_group2={0:0}, printer_mutex={-178:0}, product_desc={-90:0}, qlen=10, ref_cnt=0, ret=0, serial_num={-146:0}, shortname={122:0}, strings={-149:0}, stringtab={51:0}, tmp=0, usb_gadget_class={99:86}, usb_printer_gadget={-110:0}] [L5842] COND TRUE ret <= 0 VAL [\old(epnum)=0, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_retval_2)=0, \old(ldv_retval_3)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ldv_usb_gadget)=0, \old(ldv_usb_gadget_chrdev)=0, \old(ldv_usb_gadget_class)=0, \old(printer_driver_group0)=0, \old(printer_driver_group0)=0, \old(printer_io_operations_group1)=0, \old(printer_io_operations_group1)=0, \old(printer_io_operations_group2)=0, \old(printer_io_operations_group2)=0, \old(ref_cnt)=0, \old(usb_gadget_class)=0, \old(usb_gadget_class)=0, __this_module={4294967371:4294967700}, bcdDevice=0, config_desc={-183:0}, dev_qualifier={-362:0}, device_desc={-2:0}, driver_desc={91:0}, epnum=0, fs_ep_in_desc={-198:0}, fs_ep_out_desc={-89:0}, fs_printer_function={-148:0}, g_printer_devno={-173:0}, hs_ep_in_desc={-81:0}, hs_ep_out_desc={-147:0}, hs_printer_function={-87:0}, idProduct=0, idVendor=0, iManufacturer={0:0}, intf_desc={-88:0}, iPNPstring={0:0}, iProduct={0:0}, iSerialNum={0:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_usb_gadget=0, ldv_usb_gadget_chrdev=0, ldv_usb_gadget_class=1, manufacturer={93:0}, otg_desc={22:0}, pnp_string={12:0}, printer_driver={-243:0}, printer_driver_group0={0:0}, printer_io_operations={-72:0}, printer_io_operations_group1={0:0}, printer_io_operations_group2={0:0}, printer_mutex={-178:0}, product_desc={-90:0}, qlen=10, ref_cnt=0, ret=0, serial_num={-146:0}, shortname={122:0}, strings={-149:0}, stringtab={51:0}, tmp=0, usb_gadget_class={99:86}, usb_printer_gadget={-110:0}] [L5846] return (ret); [L5947] RET, EXPR ldv_undef_int_nonpositive() VAL [\old(epnum)=0, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_retval_2)=0, \old(ldv_retval_3)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ldv_usb_gadget)=0, \old(ldv_usb_gadget_chrdev)=0, \old(ldv_usb_gadget_class)=0, \old(printer_driver_group0)=0, \old(printer_driver_group0)=0, \old(printer_io_operations_group1)=0, \old(printer_io_operations_group1)=0, \old(printer_io_operations_group2)=0, \old(printer_io_operations_group2)=0, \old(ref_cnt)=0, \old(usb_gadget_class)=0, \old(usb_gadget_class)=0, __this_module={4294967371:4294967700}, bcdDevice=0, config_desc={-183:0}, dev_qualifier={-362:0}, device_desc={-2:0}, driver_desc={91:0}, epnum=0, fs_ep_in_desc={-198:0}, fs_ep_out_desc={-89:0}, fs_printer_function={-148:0}, g_printer_devno={-173:0}, hs_ep_in_desc={-81:0}, hs_ep_out_desc={-147:0}, hs_printer_function={-87:0}, idProduct=0, idVendor=0, iManufacturer={0:0}, intf_desc={-88:0}, iPNPstring={0:0}, iProduct={0:0}, iSerialNum={0:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_undef_int_nonpositive()=0, ldv_usb_gadget=0, ldv_usb_gadget_chrdev=0, ldv_usb_gadget_class=1, manufacturer={93:0}, otg_desc={22:0}, pnp_string={12:0}, printer_driver={-243:0}, printer_driver_group0={0:0}, printer_io_operations={-72:0}, printer_io_operations_group1={0:0}, printer_io_operations_group2={0:0}, printer_mutex={-178:0}, product_desc={-90:0}, qlen=10, ref_cnt=0, serial_num={-146:0}, shortname={122:0}, strings={-149:0}, stringtab={51:0}, usb_gadget_class={99:86}, usb_printer_gadget={-110:0}] [L5947] is_reg = ldv_undef_int_nonpositive() [L5948] COND TRUE ! is_reg VAL [\old(epnum)=0, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_retval_2)=0, \old(ldv_retval_3)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ldv_usb_gadget)=0, \old(ldv_usb_gadget_chrdev)=0, \old(ldv_usb_gadget_class)=0, \old(printer_driver_group0)=0, \old(printer_driver_group0)=0, \old(printer_io_operations_group1)=0, \old(printer_io_operations_group1)=0, \old(printer_io_operations_group2)=0, \old(printer_io_operations_group2)=0, \old(ref_cnt)=0, \old(usb_gadget_class)=0, \old(usb_gadget_class)=0, __this_module={4294967371:4294967700}, bcdDevice=0, config_desc={-183:0}, dev_qualifier={-362:0}, device_desc={-2:0}, driver_desc={91:0}, epnum=0, fs_ep_in_desc={-198:0}, fs_ep_out_desc={-89:0}, fs_printer_function={-148:0}, g_printer_devno={-173:0}, hs_ep_in_desc={-81:0}, hs_ep_out_desc={-147:0}, hs_printer_function={-87:0}, idProduct=0, idVendor=0, iManufacturer={0:0}, intf_desc={-88:0}, iPNPstring={0:0}, iProduct={0:0}, is_reg=0, iSerialNum={0:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_usb_gadget=0, ldv_usb_gadget_chrdev=0, ldv_usb_gadget_class=1, manufacturer={93:0}, otg_desc={22:0}, pnp_string={12:0}, printer_driver={-243:0}, printer_driver_group0={0:0}, printer_io_operations={-72:0}, printer_io_operations_group1={0:0}, printer_io_operations_group2={0:0}, printer_mutex={-178:0}, product_desc={-90:0}, qlen=10, ref_cnt=0, serial_num={-146:0}, shortname={122:0}, strings={-149:0}, stringtab={51:0}, usb_gadget_class={99:86}, usb_printer_gadget={-110:0}] [L5949] COND TRUE ldv_usb_gadget == 0 VAL [\old(epnum)=0, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_retval_2)=0, \old(ldv_retval_3)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ldv_usb_gadget)=0, \old(ldv_usb_gadget_chrdev)=0, \old(ldv_usb_gadget_class)=0, \old(printer_driver_group0)=0, \old(printer_driver_group0)=0, \old(printer_io_operations_group1)=0, \old(printer_io_operations_group1)=0, \old(printer_io_operations_group2)=0, \old(printer_io_operations_group2)=0, \old(ref_cnt)=0, \old(usb_gadget_class)=0, \old(usb_gadget_class)=0, __this_module={4294967371:4294967700}, bcdDevice=0, config_desc={-183:0}, dev_qualifier={-362:0}, device_desc={-2:0}, driver_desc={91:0}, epnum=0, fs_ep_in_desc={-198:0}, fs_ep_out_desc={-89:0}, fs_printer_function={-148:0}, g_printer_devno={-173:0}, hs_ep_in_desc={-81:0}, hs_ep_out_desc={-147:0}, hs_printer_function={-87:0}, idProduct=0, idVendor=0, iManufacturer={0:0}, intf_desc={-88:0}, iPNPstring={0:0}, iProduct={0:0}, is_reg=0, iSerialNum={0:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_usb_gadget=0, ldv_usb_gadget_chrdev=0, ldv_usb_gadget_class=1, manufacturer={93:0}, otg_desc={22:0}, pnp_string={12:0}, printer_driver={-243:0}, printer_driver_group0={0:0}, printer_io_operations={-72:0}, printer_io_operations_group1={0:0}, printer_io_operations_group2={0:0}, printer_mutex={-178:0}, product_desc={-90:0}, qlen=10, ref_cnt=0, serial_num={-146:0}, shortname={122:0}, strings={-149:0}, stringtab={51:0}, usb_gadget_class={99:86}, usb_printer_gadget={-110:0}] [L5953] COND TRUE ldv_usb_gadget_chrdev == 0 VAL [\old(epnum)=0, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_retval_2)=0, \old(ldv_retval_3)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ldv_usb_gadget)=0, \old(ldv_usb_gadget_chrdev)=0, \old(ldv_usb_gadget_class)=0, \old(printer_driver_group0)=0, \old(printer_driver_group0)=0, \old(printer_io_operations_group1)=0, \old(printer_io_operations_group1)=0, \old(printer_io_operations_group2)=0, \old(printer_io_operations_group2)=0, \old(ref_cnt)=0, \old(usb_gadget_class)=0, \old(usb_gadget_class)=0, __this_module={4294967371:4294967700}, bcdDevice=0, config_desc={-183:0}, dev_qualifier={-362:0}, device_desc={-2:0}, driver_desc={91:0}, epnum=0, fs_ep_in_desc={-198:0}, fs_ep_out_desc={-89:0}, fs_printer_function={-148:0}, g_printer_devno={-173:0}, hs_ep_in_desc={-81:0}, hs_ep_out_desc={-147:0}, hs_printer_function={-87:0}, idProduct=0, idVendor=0, iManufacturer={0:0}, intf_desc={-88:0}, iPNPstring={0:0}, iProduct={0:0}, is_reg=0, iSerialNum={0:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_usb_gadget=0, ldv_usb_gadget_chrdev=0, ldv_usb_gadget_class=1, manufacturer={93:0}, otg_desc={22:0}, pnp_string={12:0}, printer_driver={-243:0}, printer_driver_group0={0:0}, printer_io_operations={-72:0}, printer_io_operations_group1={0:0}, printer_io_operations_group2={0:0}, printer_mutex={-178:0}, product_desc={-90:0}, qlen=10, ref_cnt=0, serial_num={-146:0}, shortname={122:0}, strings={-149:0}, stringtab={51:0}, usb_gadget_class={99:86}, usb_printer_gadget={-110:0}] [L5957] ldv_usb_gadget_chrdev = 1 VAL [\old(epnum)=0, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_retval_2)=0, \old(ldv_retval_3)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ldv_usb_gadget)=0, \old(ldv_usb_gadget_chrdev)=0, \old(ldv_usb_gadget_class)=0, \old(printer_driver_group0)=0, \old(printer_driver_group0)=0, \old(printer_io_operations_group1)=0, \old(printer_io_operations_group1)=0, \old(printer_io_operations_group2)=0, \old(printer_io_operations_group2)=0, \old(ref_cnt)=0, \old(usb_gadget_class)=0, \old(usb_gadget_class)=0, __this_module={4294967371:4294967700}, bcdDevice=0, config_desc={-183:0}, dev_qualifier={-362:0}, device_desc={-2:0}, driver_desc={91:0}, epnum=0, fs_ep_in_desc={-198:0}, fs_ep_out_desc={-89:0}, fs_printer_function={-148:0}, g_printer_devno={-173:0}, hs_ep_in_desc={-81:0}, hs_ep_out_desc={-147:0}, hs_printer_function={-87:0}, idProduct=0, idVendor=0, iManufacturer={0:0}, intf_desc={-88:0}, iPNPstring={0:0}, iProduct={0:0}, is_reg=0, iSerialNum={0:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_usb_gadget=0, ldv_usb_gadget_chrdev=1, ldv_usb_gadget_class=1, manufacturer={93:0}, otg_desc={22:0}, pnp_string={12:0}, printer_driver={-243:0}, printer_driver_group0={0:0}, printer_io_operations={-72:0}, printer_io_operations_group1={0:0}, printer_io_operations_group2={0:0}, printer_mutex={-178:0}, product_desc={-90:0}, qlen=10, ref_cnt=0, serial_num={-146:0}, shortname={122:0}, strings={-149:0}, stringtab={51:0}, usb_gadget_class={99:86}, usb_printer_gadget={-110:0}] [L5960] return (is_reg); [L5759] RET, EXPR ldv_register_chrdev_region() VAL [\old(epnum)=0, \old(ldv_func_arg2)=0, \old(ldv_func_arg3)=1, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_retval_2)=0, \old(ldv_retval_3)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ldv_usb_gadget)=0, \old(ldv_usb_gadget_chrdev)=0, \old(ldv_usb_gadget_class)=0, \old(printer_driver_group0)=0, \old(printer_driver_group0)=0, \old(printer_io_operations_group1)=0, \old(printer_io_operations_group1)=0, \old(printer_io_operations_group2)=0, \old(printer_io_operations_group2)=0, \old(ref_cnt)=0, \old(usb_gadget_class)=0, \old(usb_gadget_class)=0, __this_module={4294967371:4294967700}, bcdDevice=0, config_desc={-183:0}, dev_qualifier={-362:0}, device_desc={-2:0}, driver_desc={91:0}, epnum=0, fs_ep_in_desc={-198:0}, fs_ep_out_desc={-89:0}, fs_printer_function={-148:0}, g_printer_devno={-173:0}, hs_ep_in_desc={-81:0}, hs_ep_out_desc={-147:0}, hs_printer_function={-87:0}, idProduct=0, idVendor=0, iManufacturer={0:0}, intf_desc={-88:0}, iPNPstring={0:0}, iProduct={0:0}, iSerialNum={0:0}, ldv_func_arg1={-173:0}, ldv_func_arg1={-173:0}, ldv_func_arg2=0, ldv_func_arg3=1, ldv_func_arg4={-181:0}, ldv_func_arg4={-181:0}, ldv_func_res=123, LDV_IN_INTERRUPT=1, ldv_register_chrdev_region()=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_usb_gadget=0, ldv_usb_gadget_chrdev=1, ldv_usb_gadget_class=1, manufacturer={93:0}, otg_desc={22:0}, pnp_string={12:0}, printer_driver={-243:0}, printer_driver_group0={0:0}, printer_io_operations={-72:0}, printer_io_operations_group1={0:0}, printer_io_operations_group2={0:0}, printer_mutex={-178:0}, product_desc={-90:0}, qlen=10, ref_cnt=0, serial_num={-146:0}, shortname={122:0}, strings={-149:0}, stringtab={51:0}, tmp=123, usb_gadget_class={99:86}, usb_printer_gadget={-110:0}] [L5759] tmp___0 = ldv_register_chrdev_region() [L5760] return (tmp___0); [L5423] RET, EXPR ldv_alloc_chrdev_region_7(& g_printer_devno, 0U, 1U, "USB printer gadget") VAL [\old(epnum)=0, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_retval_2)=0, \old(ldv_retval_3)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ldv_usb_gadget)=0, \old(ldv_usb_gadget_chrdev)=0, \old(ldv_usb_gadget_class)=0, \old(printer_driver_group0)=0, \old(printer_driver_group0)=0, \old(printer_io_operations_group1)=0, \old(printer_io_operations_group1)=0, \old(printer_io_operations_group2)=0, \old(printer_io_operations_group2)=0, \old(ref_cnt)=0, \old(usb_gadget_class)=0, \old(usb_gadget_class)=0, __this_module={4294967371:4294967700}, bcdDevice=0, config_desc={-183:0}, dev_qualifier={-362:0}, device_desc={-2:0}, driver_desc={91:0}, epnum=0, fs_ep_in_desc={-198:0}, fs_ep_out_desc={-89:0}, fs_printer_function={-148:0}, g_printer_devno={-173:0}, hs_ep_in_desc={-81:0}, hs_ep_out_desc={-147:0}, hs_printer_function={-87:0}, idProduct=0, idVendor=0, iManufacturer={0:0}, intf_desc={-88:0}, iPNPstring={0:0}, iProduct={0:0}, iSerialNum={0:0}, ldv_alloc_chrdev_region_7(& g_printer_devno, 0U, 1U, "USB printer gadget")=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_usb_gadget=0, ldv_usb_gadget_chrdev=1, ldv_usb_gadget_class=1, manufacturer={93:0}, otg_desc={22:0}, pnp_string={12:0}, printer_driver={-243:0}, printer_driver_group0={0:0}, printer_io_operations={-72:0}, printer_io_operations_group1={0:0}, printer_io_operations_group2={0:0}, printer_mutex={-178:0}, product_desc={-90:0}, qlen=10, ref_cnt=0, serial_num={-146:0}, shortname={122:0}, strings={-149:0}, stringtab={51:0}, tmp={99:86}, tmp___1=0, usb_gadget_class={99:86}, usb_printer_gadget={-110:0}] [L5423] status = ldv_alloc_chrdev_region_7(& g_printer_devno, 0U, 1U, "USB printer gadget") [L5424] COND FALSE !(status != 0) VAL [\old(epnum)=0, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_retval_2)=0, \old(ldv_retval_3)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ldv_usb_gadget)=0, \old(ldv_usb_gadget_chrdev)=0, \old(ldv_usb_gadget_class)=0, \old(printer_driver_group0)=0, \old(printer_driver_group0)=0, \old(printer_io_operations_group1)=0, \old(printer_io_operations_group1)=0, \old(printer_io_operations_group2)=0, \old(printer_io_operations_group2)=0, \old(ref_cnt)=0, \old(usb_gadget_class)=0, \old(usb_gadget_class)=0, __this_module={4294967371:4294967700}, bcdDevice=0, config_desc={-183:0}, dev_qualifier={-362:0}, device_desc={-2:0}, driver_desc={91:0}, epnum=0, fs_ep_in_desc={-198:0}, fs_ep_out_desc={-89:0}, fs_printer_function={-148:0}, g_printer_devno={-173:0}, hs_ep_in_desc={-81:0}, hs_ep_out_desc={-147:0}, hs_printer_function={-87:0}, idProduct=0, idVendor=0, iManufacturer={0:0}, intf_desc={-88:0}, iPNPstring={0:0}, iProduct={0:0}, iSerialNum={0:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_usb_gadget=0, ldv_usb_gadget_chrdev=1, ldv_usb_gadget_class=1, manufacturer={93:0}, otg_desc={22:0}, pnp_string={12:0}, printer_driver={-243:0}, printer_driver_group0={0:0}, printer_io_operations={-72:0}, printer_io_operations_group1={0:0}, printer_io_operations_group2={0:0}, printer_mutex={-178:0}, product_desc={-90:0}, qlen=10, ref_cnt=0, serial_num={-146:0}, shortname={122:0}, status=0, strings={-149:0}, stringtab={51:0}, tmp={99:86}, tmp___1=0, usb_gadget_class={99:86}, usb_printer_gadget={-110:0}] [L5430] CALL, EXPR ldv_usb_gadget_register_driver_9(& printer_driver) VAL [\old(epnum)=0, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_retval_2)=0, \old(ldv_retval_3)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ldv_usb_gadget)=0, \old(ldv_usb_gadget_chrdev)=0, \old(ldv_usb_gadget_class)=0, \old(printer_driver_group0)=0, \old(printer_driver_group0)=0, \old(printer_io_operations_group1)=0, \old(printer_io_operations_group1)=0, \old(printer_io_operations_group2)=0, \old(printer_io_operations_group2)=0, \old(ref_cnt)=0, \old(usb_gadget_class)=0, \old(usb_gadget_class)=0, __this_module={4294967371:4294967700}, bcdDevice=0, config_desc={-183:0}, dev_qualifier={-362:0}, device_desc={-2:0}, driver_desc={91:0}, epnum=0, fs_ep_in_desc={-198:0}, fs_ep_out_desc={-89:0}, fs_printer_function={-148:0}, g_printer_devno={-173:0}, hs_ep_in_desc={-81:0}, hs_ep_out_desc={-147:0}, hs_printer_function={-87:0}, idProduct=0, idVendor=0, iManufacturer={0:0}, intf_desc={-88:0}, iPNPstring={0:0}, iProduct={0:0}, iSerialNum={0:0}, ldv_func_arg1={-243:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_usb_gadget=0, ldv_usb_gadget_chrdev=1, ldv_usb_gadget_class=1, manufacturer={93:0}, otg_desc={22:0}, pnp_string={12:0}, printer_driver={-243:0}, printer_driver_group0={0:0}, printer_io_operations={-72:0}, printer_io_operations_group1={0:0}, printer_io_operations_group2={0:0}, printer_mutex={-178:0}, product_desc={-90:0}, qlen=10, ref_cnt=0, serial_num={-146:0}, shortname={122:0}, strings={-149:0}, stringtab={51:0}, usb_gadget_class={99:86}, usb_printer_gadget={-110:0}] [L5774] ldv_func_ret_type___0 ldv_func_res ; [L5775] int tmp ; [L5776] int tmp___0 ; VAL [\old(epnum)=0, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_retval_2)=0, \old(ldv_retval_3)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ldv_usb_gadget)=0, \old(ldv_usb_gadget_chrdev)=0, \old(ldv_usb_gadget_class)=0, \old(printer_driver_group0)=0, \old(printer_driver_group0)=0, \old(printer_io_operations_group1)=0, \old(printer_io_operations_group1)=0, \old(printer_io_operations_group2)=0, \old(printer_io_operations_group2)=0, \old(ref_cnt)=0, \old(usb_gadget_class)=0, \old(usb_gadget_class)=0, __this_module={4294967371:4294967700}, bcdDevice=0, config_desc={-183:0}, dev_qualifier={-362:0}, device_desc={-2:0}, driver_desc={91:0}, epnum=0, fs_ep_in_desc={-198:0}, fs_ep_out_desc={-89:0}, fs_printer_function={-148:0}, g_printer_devno={-173:0}, hs_ep_in_desc={-81:0}, hs_ep_out_desc={-147:0}, hs_printer_function={-87:0}, idProduct=0, idVendor=0, iManufacturer={0:0}, intf_desc={-88:0}, iPNPstring={0:0}, iProduct={0:0}, iSerialNum={0:0}, ldv_func_arg1={-243:0}, ldv_func_arg1={-243:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_usb_gadget=0, ldv_usb_gadget_chrdev=1, ldv_usb_gadget_class=1, manufacturer={93:0}, otg_desc={22:0}, pnp_string={12:0}, printer_driver={-243:0}, printer_driver_group0={0:0}, printer_io_operations={-72:0}, printer_io_operations_group1={0:0}, printer_io_operations_group2={0:0}, printer_mutex={-178:0}, product_desc={-90:0}, qlen=10, ref_cnt=0, serial_num={-146:0}, shortname={122:0}, strings={-149:0}, stringtab={51:0}, usb_gadget_class={99:86}, usb_printer_gadget={-110:0}] [L5778] CALL, EXPR usb_gadget_register_driver(ldv_func_arg1) VAL [\old(epnum)=0, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_retval_2)=0, \old(ldv_retval_3)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ldv_usb_gadget)=0, \old(ldv_usb_gadget_chrdev)=0, \old(ldv_usb_gadget_class)=0, \old(printer_driver_group0)=0, \old(printer_driver_group0)=0, \old(printer_io_operations_group1)=0, \old(printer_io_operations_group1)=0, \old(printer_io_operations_group2)=0, \old(printer_io_operations_group2)=0, \old(ref_cnt)=0, \old(usb_gadget_class)=0, \old(usb_gadget_class)=0, __this_module={4294967371:4294967700}, arg0={-243:0}, bcdDevice=0, config_desc={-183:0}, dev_qualifier={-362:0}, device_desc={-2:0}, driver_desc={91:0}, epnum=0, fs_ep_in_desc={-198:0}, fs_ep_out_desc={-89:0}, fs_printer_function={-148:0}, g_printer_devno={-173:0}, hs_ep_in_desc={-81:0}, hs_ep_out_desc={-147:0}, hs_printer_function={-87:0}, idProduct=0, idVendor=0, iManufacturer={0:0}, intf_desc={-88:0}, iPNPstring={0:0}, iProduct={0:0}, iSerialNum={0:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_usb_gadget=0, ldv_usb_gadget_chrdev=1, ldv_usb_gadget_class=1, manufacturer={93:0}, otg_desc={22:0}, pnp_string={12:0}, printer_driver={-243:0}, printer_driver_group0={0:0}, printer_io_operations={-72:0}, printer_io_operations_group1={0:0}, printer_io_operations_group2={0:0}, printer_mutex={-178:0}, product_desc={-90:0}, qlen=10, ref_cnt=0, serial_num={-146:0}, shortname={122:0}, strings={-149:0}, stringtab={51:0}, usb_gadget_class={99:86}, usb_printer_gadget={-110:0}] [L6150] return __VERIFIER_nondet_int(); [L5778] RET, EXPR usb_gadget_register_driver(ldv_func_arg1) VAL [\old(epnum)=0, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_retval_2)=0, \old(ldv_retval_3)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ldv_usb_gadget)=0, \old(ldv_usb_gadget_chrdev)=0, \old(ldv_usb_gadget_class)=0, \old(printer_driver_group0)=0, \old(printer_driver_group0)=0, \old(printer_io_operations_group1)=0, \old(printer_io_operations_group1)=0, \old(printer_io_operations_group2)=0, \old(printer_io_operations_group2)=0, \old(ref_cnt)=0, \old(usb_gadget_class)=0, \old(usb_gadget_class)=0, __this_module={4294967371:4294967700}, bcdDevice=0, config_desc={-183:0}, dev_qualifier={-362:0}, device_desc={-2:0}, driver_desc={91:0}, epnum=0, fs_ep_in_desc={-198:0}, fs_ep_out_desc={-89:0}, fs_printer_function={-148:0}, g_printer_devno={-173:0}, hs_ep_in_desc={-81:0}, hs_ep_out_desc={-147:0}, hs_printer_function={-87:0}, idProduct=0, idVendor=0, iManufacturer={0:0}, intf_desc={-88:0}, iPNPstring={0:0}, iProduct={0:0}, iSerialNum={0:0}, ldv_func_arg1={-243:0}, ldv_func_arg1={-243:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_usb_gadget=0, ldv_usb_gadget_chrdev=1, ldv_usb_gadget_class=1, manufacturer={93:0}, otg_desc={22:0}, pnp_string={12:0}, printer_driver={-243:0}, printer_driver_group0={0:0}, printer_io_operations={-72:0}, printer_io_operations_group1={0:0}, printer_io_operations_group2={0:0}, printer_mutex={-178:0}, product_desc={-90:0}, qlen=10, ref_cnt=0, serial_num={-146:0}, shortname={122:0}, strings={-149:0}, stringtab={51:0}, usb_gadget_class={99:86}, usb_gadget_register_driver(ldv_func_arg1)=0, usb_printer_gadget={-110:0}] [L5778] tmp = usb_gadget_register_driver(ldv_func_arg1) [L5779] ldv_func_res = tmp VAL [\old(epnum)=0, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_retval_2)=0, \old(ldv_retval_3)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ldv_usb_gadget)=0, \old(ldv_usb_gadget_chrdev)=0, \old(ldv_usb_gadget_class)=0, \old(printer_driver_group0)=0, \old(printer_driver_group0)=0, \old(printer_io_operations_group1)=0, \old(printer_io_operations_group1)=0, \old(printer_io_operations_group2)=0, \old(printer_io_operations_group2)=0, \old(ref_cnt)=0, \old(usb_gadget_class)=0, \old(usb_gadget_class)=0, __this_module={4294967371:4294967700}, bcdDevice=0, config_desc={-183:0}, dev_qualifier={-362:0}, device_desc={-2:0}, driver_desc={91:0}, epnum=0, fs_ep_in_desc={-198:0}, fs_ep_out_desc={-89:0}, fs_printer_function={-148:0}, g_printer_devno={-173:0}, hs_ep_in_desc={-81:0}, hs_ep_out_desc={-147:0}, hs_printer_function={-87:0}, idProduct=0, idVendor=0, iManufacturer={0:0}, intf_desc={-88:0}, iPNPstring={0:0}, iProduct={0:0}, iSerialNum={0:0}, ldv_func_arg1={-243:0}, ldv_func_arg1={-243:0}, ldv_func_res=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_usb_gadget=0, ldv_usb_gadget_chrdev=1, ldv_usb_gadget_class=1, manufacturer={93:0}, otg_desc={22:0}, pnp_string={12:0}, printer_driver={-243:0}, printer_driver_group0={0:0}, printer_io_operations={-72:0}, printer_io_operations_group1={0:0}, printer_io_operations_group2={0:0}, printer_mutex={-178:0}, product_desc={-90:0}, qlen=10, ref_cnt=0, serial_num={-146:0}, shortname={122:0}, strings={-149:0}, stringtab={51:0}, tmp=0, usb_gadget_class={99:86}, usb_printer_gadget={-110:0}] [L5780] CALL, EXPR ldv_register_usb_gadget() VAL [\old(epnum)=0, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_retval_2)=0, \old(ldv_retval_3)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ldv_usb_gadget)=0, \old(ldv_usb_gadget_chrdev)=0, \old(ldv_usb_gadget_class)=0, \old(printer_driver_group0)=0, \old(printer_driver_group0)=0, \old(printer_io_operations_group1)=0, \old(printer_io_operations_group1)=0, \old(printer_io_operations_group2)=0, \old(printer_io_operations_group2)=0, \old(ref_cnt)=0, \old(usb_gadget_class)=0, \old(usb_gadget_class)=0, __this_module={4294967371:4294967700}, bcdDevice=0, config_desc={-183:0}, dev_qualifier={-362:0}, device_desc={-2:0}, driver_desc={91:0}, epnum=0, fs_ep_in_desc={-198:0}, fs_ep_out_desc={-89:0}, fs_printer_function={-148:0}, g_printer_devno={-173:0}, hs_ep_in_desc={-81:0}, hs_ep_out_desc={-147:0}, hs_printer_function={-87:0}, idProduct=0, idVendor=0, iManufacturer={0:0}, intf_desc={-88:0}, iPNPstring={0:0}, iProduct={0:0}, iSerialNum={0:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_usb_gadget=0, ldv_usb_gadget_chrdev=1, ldv_usb_gadget_class=1, manufacturer={93:0}, otg_desc={22:0}, pnp_string={12:0}, printer_driver={-243:0}, printer_driver_group0={0:0}, printer_io_operations={-72:0}, printer_io_operations_group1={0:0}, printer_io_operations_group2={0:0}, printer_mutex={-178:0}, product_desc={-90:0}, qlen=10, ref_cnt=0, serial_num={-146:0}, shortname={122:0}, strings={-149:0}, stringtab={51:0}, usb_gadget_class={99:86}, usb_printer_gadget={-110:0}] [L5980] int is_reg ; VAL [\old(epnum)=0, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_retval_2)=0, \old(ldv_retval_3)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ldv_usb_gadget)=0, \old(ldv_usb_gadget_chrdev)=0, \old(ldv_usb_gadget_class)=0, \old(printer_driver_group0)=0, \old(printer_driver_group0)=0, \old(printer_io_operations_group1)=0, \old(printer_io_operations_group1)=0, \old(printer_io_operations_group2)=0, \old(printer_io_operations_group2)=0, \old(ref_cnt)=0, \old(usb_gadget_class)=0, \old(usb_gadget_class)=0, __this_module={4294967371:4294967700}, bcdDevice=0, config_desc={-183:0}, dev_qualifier={-362:0}, device_desc={-2:0}, driver_desc={91:0}, epnum=0, fs_ep_in_desc={-198:0}, fs_ep_out_desc={-89:0}, fs_printer_function={-148:0}, g_printer_devno={-173:0}, hs_ep_in_desc={-81:0}, hs_ep_out_desc={-147:0}, hs_printer_function={-87:0}, idProduct=0, idVendor=0, iManufacturer={0:0}, intf_desc={-88:0}, iPNPstring={0:0}, iProduct={0:0}, iSerialNum={0:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_usb_gadget=0, ldv_usb_gadget_chrdev=1, ldv_usb_gadget_class=1, manufacturer={93:0}, otg_desc={22:0}, pnp_string={12:0}, printer_driver={-243:0}, printer_driver_group0={0:0}, printer_io_operations={-72:0}, printer_io_operations_group1={0:0}, printer_io_operations_group2={0:0}, printer_mutex={-178:0}, product_desc={-90:0}, qlen=10, ref_cnt=0, serial_num={-146:0}, shortname={122:0}, strings={-149:0}, stringtab={51:0}, usb_gadget_class={99:86}, usb_printer_gadget={-110:0}] [L5982] CALL, EXPR ldv_undef_int_nonpositive() VAL [\old(epnum)=0, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_retval_2)=0, \old(ldv_retval_3)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ldv_usb_gadget)=0, \old(ldv_usb_gadget_chrdev)=0, \old(ldv_usb_gadget_class)=0, \old(printer_driver_group0)=0, \old(printer_driver_group0)=0, \old(printer_io_operations_group1)=0, \old(printer_io_operations_group1)=0, \old(printer_io_operations_group2)=0, \old(printer_io_operations_group2)=0, \old(ref_cnt)=0, \old(usb_gadget_class)=0, \old(usb_gadget_class)=0, __this_module={4294967371:4294967700}, bcdDevice=0, config_desc={-183:0}, dev_qualifier={-362:0}, device_desc={-2:0}, driver_desc={91:0}, epnum=0, fs_ep_in_desc={-198:0}, fs_ep_out_desc={-89:0}, fs_printer_function={-148:0}, g_printer_devno={-173:0}, hs_ep_in_desc={-81:0}, hs_ep_out_desc={-147:0}, hs_printer_function={-87:0}, idProduct=0, idVendor=0, iManufacturer={0:0}, intf_desc={-88:0}, iPNPstring={0:0}, iProduct={0:0}, iSerialNum={0:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_usb_gadget=0, ldv_usb_gadget_chrdev=1, ldv_usb_gadget_class=1, manufacturer={93:0}, otg_desc={22:0}, pnp_string={12:0}, printer_driver={-243:0}, printer_driver_group0={0:0}, printer_io_operations={-72:0}, printer_io_operations_group1={0:0}, printer_io_operations_group2={0:0}, printer_mutex={-178:0}, product_desc={-90:0}, qlen=10, ref_cnt=0, serial_num={-146:0}, shortname={122:0}, strings={-149:0}, stringtab={51:0}, usb_gadget_class={99:86}, usb_printer_gadget={-110:0}] [L5837] int ret ; [L5838] int tmp ; VAL [\old(epnum)=0, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_retval_2)=0, \old(ldv_retval_3)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ldv_usb_gadget)=0, \old(ldv_usb_gadget_chrdev)=0, \old(ldv_usb_gadget_class)=0, \old(printer_driver_group0)=0, \old(printer_driver_group0)=0, \old(printer_io_operations_group1)=0, \old(printer_io_operations_group1)=0, \old(printer_io_operations_group2)=0, \old(printer_io_operations_group2)=0, \old(ref_cnt)=0, \old(usb_gadget_class)=0, \old(usb_gadget_class)=0, __this_module={4294967371:4294967700}, bcdDevice=0, config_desc={-183:0}, dev_qualifier={-362:0}, device_desc={-2:0}, driver_desc={91:0}, epnum=0, fs_ep_in_desc={-198:0}, fs_ep_out_desc={-89:0}, fs_printer_function={-148:0}, g_printer_devno={-173:0}, hs_ep_in_desc={-81:0}, hs_ep_out_desc={-147:0}, hs_printer_function={-87:0}, idProduct=0, idVendor=0, iManufacturer={0:0}, intf_desc={-88:0}, iPNPstring={0:0}, iProduct={0:0}, iSerialNum={0:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_usb_gadget=0, ldv_usb_gadget_chrdev=1, ldv_usb_gadget_class=1, manufacturer={93:0}, otg_desc={22:0}, pnp_string={12:0}, printer_driver={-243:0}, printer_driver_group0={0:0}, printer_io_operations={-72:0}, printer_io_operations_group1={0:0}, printer_io_operations_group2={0:0}, printer_mutex={-178:0}, product_desc={-90:0}, qlen=10, ref_cnt=0, serial_num={-146:0}, shortname={122:0}, strings={-149:0}, stringtab={51:0}, usb_gadget_class={99:86}, usb_printer_gadget={-110:0}] [L5840] CALL, EXPR ldv_undef_int() VAL [\old(epnum)=0, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_retval_2)=0, \old(ldv_retval_3)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ldv_usb_gadget)=0, \old(ldv_usb_gadget_chrdev)=0, \old(ldv_usb_gadget_class)=0, \old(printer_driver_group0)=0, \old(printer_driver_group0)=0, \old(printer_io_operations_group1)=0, \old(printer_io_operations_group1)=0, \old(printer_io_operations_group2)=0, \old(printer_io_operations_group2)=0, \old(ref_cnt)=0, \old(usb_gadget_class)=0, \old(usb_gadget_class)=0, __this_module={4294967371:4294967700}, bcdDevice=0, config_desc={-183:0}, dev_qualifier={-362:0}, device_desc={-2:0}, driver_desc={91:0}, epnum=0, fs_ep_in_desc={-198:0}, fs_ep_out_desc={-89:0}, fs_printer_function={-148:0}, g_printer_devno={-173:0}, hs_ep_in_desc={-81:0}, hs_ep_out_desc={-147:0}, hs_printer_function={-87:0}, idProduct=0, idVendor=0, iManufacturer={0:0}, intf_desc={-88:0}, iPNPstring={0:0}, iProduct={0:0}, iSerialNum={0:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_usb_gadget=0, ldv_usb_gadget_chrdev=1, ldv_usb_gadget_class=1, manufacturer={93:0}, otg_desc={22:0}, pnp_string={12:0}, printer_driver={-243:0}, printer_driver_group0={0:0}, printer_io_operations={-72:0}, printer_io_operations_group1={0:0}, printer_io_operations_group2={0:0}, printer_mutex={-178:0}, product_desc={-90:0}, qlen=10, ref_cnt=0, serial_num={-146:0}, shortname={122:0}, strings={-149:0}, stringtab={51:0}, usb_gadget_class={99:86}, usb_printer_gadget={-110:0}] [L3203] int tmp ; [L3205] tmp = __VERIFIER_nondet_int() [L3206] return (tmp); [L5840] RET, EXPR ldv_undef_int() VAL [\old(epnum)=0, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_retval_2)=0, \old(ldv_retval_3)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ldv_usb_gadget)=0, \old(ldv_usb_gadget_chrdev)=0, \old(ldv_usb_gadget_class)=0, \old(printer_driver_group0)=0, \old(printer_driver_group0)=0, \old(printer_io_operations_group1)=0, \old(printer_io_operations_group1)=0, \old(printer_io_operations_group2)=0, \old(printer_io_operations_group2)=0, \old(ref_cnt)=0, \old(usb_gadget_class)=0, \old(usb_gadget_class)=0, __this_module={4294967371:4294967700}, bcdDevice=0, config_desc={-183:0}, dev_qualifier={-362:0}, device_desc={-2:0}, driver_desc={91:0}, epnum=0, fs_ep_in_desc={-198:0}, fs_ep_out_desc={-89:0}, fs_printer_function={-148:0}, g_printer_devno={-173:0}, hs_ep_in_desc={-81:0}, hs_ep_out_desc={-147:0}, hs_printer_function={-87:0}, idProduct=0, idVendor=0, iManufacturer={0:0}, intf_desc={-88:0}, iPNPstring={0:0}, iProduct={0:0}, iSerialNum={0:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_undef_int()=0, ldv_usb_gadget=0, ldv_usb_gadget_chrdev=1, ldv_usb_gadget_class=1, manufacturer={93:0}, otg_desc={22:0}, pnp_string={12:0}, printer_driver={-243:0}, printer_driver_group0={0:0}, printer_io_operations={-72:0}, printer_io_operations_group1={0:0}, printer_io_operations_group2={0:0}, printer_mutex={-178:0}, product_desc={-90:0}, qlen=10, ref_cnt=0, serial_num={-146:0}, shortname={122:0}, strings={-149:0}, stringtab={51:0}, usb_gadget_class={99:86}, usb_printer_gadget={-110:0}] [L5840] tmp = ldv_undef_int() [L5841] ret = tmp VAL [\old(epnum)=0, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_retval_2)=0, \old(ldv_retval_3)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ldv_usb_gadget)=0, \old(ldv_usb_gadget_chrdev)=0, \old(ldv_usb_gadget_class)=0, \old(printer_driver_group0)=0, \old(printer_driver_group0)=0, \old(printer_io_operations_group1)=0, \old(printer_io_operations_group1)=0, \old(printer_io_operations_group2)=0, \old(printer_io_operations_group2)=0, \old(ref_cnt)=0, \old(usb_gadget_class)=0, \old(usb_gadget_class)=0, __this_module={4294967371:4294967700}, bcdDevice=0, config_desc={-183:0}, dev_qualifier={-362:0}, device_desc={-2:0}, driver_desc={91:0}, epnum=0, fs_ep_in_desc={-198:0}, fs_ep_out_desc={-89:0}, fs_printer_function={-148:0}, g_printer_devno={-173:0}, hs_ep_in_desc={-81:0}, hs_ep_out_desc={-147:0}, hs_printer_function={-87:0}, idProduct=0, idVendor=0, iManufacturer={0:0}, intf_desc={-88:0}, iPNPstring={0:0}, iProduct={0:0}, iSerialNum={0:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_usb_gadget=0, ldv_usb_gadget_chrdev=1, ldv_usb_gadget_class=1, manufacturer={93:0}, otg_desc={22:0}, pnp_string={12:0}, printer_driver={-243:0}, printer_driver_group0={0:0}, printer_io_operations={-72:0}, printer_io_operations_group1={0:0}, printer_io_operations_group2={0:0}, printer_mutex={-178:0}, product_desc={-90:0}, qlen=10, ref_cnt=0, ret=0, serial_num={-146:0}, shortname={122:0}, strings={-149:0}, stringtab={51:0}, tmp=0, usb_gadget_class={99:86}, usb_printer_gadget={-110:0}] [L5842] COND TRUE ret <= 0 VAL [\old(epnum)=0, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_retval_2)=0, \old(ldv_retval_3)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ldv_usb_gadget)=0, \old(ldv_usb_gadget_chrdev)=0, \old(ldv_usb_gadget_class)=0, \old(printer_driver_group0)=0, \old(printer_driver_group0)=0, \old(printer_io_operations_group1)=0, \old(printer_io_operations_group1)=0, \old(printer_io_operations_group2)=0, \old(printer_io_operations_group2)=0, \old(ref_cnt)=0, \old(usb_gadget_class)=0, \old(usb_gadget_class)=0, __this_module={4294967371:4294967700}, bcdDevice=0, config_desc={-183:0}, dev_qualifier={-362:0}, device_desc={-2:0}, driver_desc={91:0}, epnum=0, fs_ep_in_desc={-198:0}, fs_ep_out_desc={-89:0}, fs_printer_function={-148:0}, g_printer_devno={-173:0}, hs_ep_in_desc={-81:0}, hs_ep_out_desc={-147:0}, hs_printer_function={-87:0}, idProduct=0, idVendor=0, iManufacturer={0:0}, intf_desc={-88:0}, iPNPstring={0:0}, iProduct={0:0}, iSerialNum={0:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_usb_gadget=0, ldv_usb_gadget_chrdev=1, ldv_usb_gadget_class=1, manufacturer={93:0}, otg_desc={22:0}, pnp_string={12:0}, printer_driver={-243:0}, printer_driver_group0={0:0}, printer_io_operations={-72:0}, printer_io_operations_group1={0:0}, printer_io_operations_group2={0:0}, printer_mutex={-178:0}, product_desc={-90:0}, qlen=10, ref_cnt=0, ret=0, serial_num={-146:0}, shortname={122:0}, strings={-149:0}, stringtab={51:0}, tmp=0, usb_gadget_class={99:86}, usb_printer_gadget={-110:0}] [L5846] return (ret); [L5982] RET, EXPR ldv_undef_int_nonpositive() VAL [\old(epnum)=0, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_retval_2)=0, \old(ldv_retval_3)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ldv_usb_gadget)=0, \old(ldv_usb_gadget_chrdev)=0, \old(ldv_usb_gadget_class)=0, \old(printer_driver_group0)=0, \old(printer_driver_group0)=0, \old(printer_io_operations_group1)=0, \old(printer_io_operations_group1)=0, \old(printer_io_operations_group2)=0, \old(printer_io_operations_group2)=0, \old(ref_cnt)=0, \old(usb_gadget_class)=0, \old(usb_gadget_class)=0, __this_module={4294967371:4294967700}, bcdDevice=0, config_desc={-183:0}, dev_qualifier={-362:0}, device_desc={-2:0}, driver_desc={91:0}, epnum=0, fs_ep_in_desc={-198:0}, fs_ep_out_desc={-89:0}, fs_printer_function={-148:0}, g_printer_devno={-173:0}, hs_ep_in_desc={-81:0}, hs_ep_out_desc={-147:0}, hs_printer_function={-87:0}, idProduct=0, idVendor=0, iManufacturer={0:0}, intf_desc={-88:0}, iPNPstring={0:0}, iProduct={0:0}, iSerialNum={0:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_undef_int_nonpositive()=0, ldv_usb_gadget=0, ldv_usb_gadget_chrdev=1, ldv_usb_gadget_class=1, manufacturer={93:0}, otg_desc={22:0}, pnp_string={12:0}, printer_driver={-243:0}, printer_driver_group0={0:0}, printer_io_operations={-72:0}, printer_io_operations_group1={0:0}, printer_io_operations_group2={0:0}, printer_mutex={-178:0}, product_desc={-90:0}, qlen=10, ref_cnt=0, serial_num={-146:0}, shortname={122:0}, strings={-149:0}, stringtab={51:0}, usb_gadget_class={99:86}, usb_printer_gadget={-110:0}] [L5982] is_reg = ldv_undef_int_nonpositive() [L5983] COND TRUE ! is_reg VAL [\old(epnum)=0, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_retval_2)=0, \old(ldv_retval_3)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ldv_usb_gadget)=0, \old(ldv_usb_gadget_chrdev)=0, \old(ldv_usb_gadget_class)=0, \old(printer_driver_group0)=0, \old(printer_driver_group0)=0, \old(printer_io_operations_group1)=0, \old(printer_io_operations_group1)=0, \old(printer_io_operations_group2)=0, \old(printer_io_operations_group2)=0, \old(ref_cnt)=0, \old(usb_gadget_class)=0, \old(usb_gadget_class)=0, __this_module={4294967371:4294967700}, bcdDevice=0, config_desc={-183:0}, dev_qualifier={-362:0}, device_desc={-2:0}, driver_desc={91:0}, epnum=0, fs_ep_in_desc={-198:0}, fs_ep_out_desc={-89:0}, fs_printer_function={-148:0}, g_printer_devno={-173:0}, hs_ep_in_desc={-81:0}, hs_ep_out_desc={-147:0}, hs_printer_function={-87:0}, idProduct=0, idVendor=0, iManufacturer={0:0}, intf_desc={-88:0}, iPNPstring={0:0}, iProduct={0:0}, is_reg=0, iSerialNum={0:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_usb_gadget=0, ldv_usb_gadget_chrdev=1, ldv_usb_gadget_class=1, manufacturer={93:0}, otg_desc={22:0}, pnp_string={12:0}, printer_driver={-243:0}, printer_driver_group0={0:0}, printer_io_operations={-72:0}, printer_io_operations_group1={0:0}, printer_io_operations_group2={0:0}, printer_mutex={-178:0}, product_desc={-90:0}, qlen=10, ref_cnt=0, serial_num={-146:0}, shortname={122:0}, strings={-149:0}, stringtab={51:0}, usb_gadget_class={99:86}, usb_printer_gadget={-110:0}] [L5984] COND TRUE ldv_usb_gadget == 0 VAL [\old(epnum)=0, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_retval_2)=0, \old(ldv_retval_3)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ldv_usb_gadget)=0, \old(ldv_usb_gadget_chrdev)=0, \old(ldv_usb_gadget_class)=0, \old(printer_driver_group0)=0, \old(printer_driver_group0)=0, \old(printer_io_operations_group1)=0, \old(printer_io_operations_group1)=0, \old(printer_io_operations_group2)=0, \old(printer_io_operations_group2)=0, \old(ref_cnt)=0, \old(usb_gadget_class)=0, \old(usb_gadget_class)=0, __this_module={4294967371:4294967700}, bcdDevice=0, config_desc={-183:0}, dev_qualifier={-362:0}, device_desc={-2:0}, driver_desc={91:0}, epnum=0, fs_ep_in_desc={-198:0}, fs_ep_out_desc={-89:0}, fs_printer_function={-148:0}, g_printer_devno={-173:0}, hs_ep_in_desc={-81:0}, hs_ep_out_desc={-147:0}, hs_printer_function={-87:0}, idProduct=0, idVendor=0, iManufacturer={0:0}, intf_desc={-88:0}, iPNPstring={0:0}, iProduct={0:0}, is_reg=0, iSerialNum={0:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_usb_gadget=0, ldv_usb_gadget_chrdev=1, ldv_usb_gadget_class=1, manufacturer={93:0}, otg_desc={22:0}, pnp_string={12:0}, printer_driver={-243:0}, printer_driver_group0={0:0}, printer_io_operations={-72:0}, printer_io_operations_group1={0:0}, printer_io_operations_group2={0:0}, printer_mutex={-178:0}, product_desc={-90:0}, qlen=10, ref_cnt=0, serial_num={-146:0}, shortname={122:0}, strings={-149:0}, stringtab={51:0}, usb_gadget_class={99:86}, usb_printer_gadget={-110:0}] [L5988] ldv_usb_gadget = 1 VAL [\old(epnum)=0, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_retval_2)=0, \old(ldv_retval_3)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ldv_usb_gadget)=0, \old(ldv_usb_gadget_chrdev)=0, \old(ldv_usb_gadget_class)=0, \old(printer_driver_group0)=0, \old(printer_driver_group0)=0, \old(printer_io_operations_group1)=0, \old(printer_io_operations_group1)=0, \old(printer_io_operations_group2)=0, \old(printer_io_operations_group2)=0, \old(ref_cnt)=0, \old(usb_gadget_class)=0, \old(usb_gadget_class)=0, __this_module={4294967371:4294967700}, bcdDevice=0, config_desc={-183:0}, dev_qualifier={-362:0}, device_desc={-2:0}, driver_desc={91:0}, epnum=0, fs_ep_in_desc={-198:0}, fs_ep_out_desc={-89:0}, fs_printer_function={-148:0}, g_printer_devno={-173:0}, hs_ep_in_desc={-81:0}, hs_ep_out_desc={-147:0}, hs_printer_function={-87:0}, idProduct=0, idVendor=0, iManufacturer={0:0}, intf_desc={-88:0}, iPNPstring={0:0}, iProduct={0:0}, is_reg=0, iSerialNum={0:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_usb_gadget=1, ldv_usb_gadget_chrdev=1, ldv_usb_gadget_class=1, manufacturer={93:0}, otg_desc={22:0}, pnp_string={12:0}, printer_driver={-243:0}, printer_driver_group0={0:0}, printer_io_operations={-72:0}, printer_io_operations_group1={0:0}, printer_io_operations_group2={0:0}, printer_mutex={-178:0}, product_desc={-90:0}, qlen=10, ref_cnt=0, serial_num={-146:0}, shortname={122:0}, strings={-149:0}, stringtab={51:0}, usb_gadget_class={99:86}, usb_printer_gadget={-110:0}] [L5991] return (is_reg); [L5780] RET, EXPR ldv_register_usb_gadget() VAL [\old(epnum)=0, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_retval_2)=0, \old(ldv_retval_3)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ldv_usb_gadget)=0, \old(ldv_usb_gadget_chrdev)=0, \old(ldv_usb_gadget_class)=0, \old(printer_driver_group0)=0, \old(printer_driver_group0)=0, \old(printer_io_operations_group1)=0, \old(printer_io_operations_group1)=0, \old(printer_io_operations_group2)=0, \old(printer_io_operations_group2)=0, \old(ref_cnt)=0, \old(usb_gadget_class)=0, \old(usb_gadget_class)=0, __this_module={4294967371:4294967700}, bcdDevice=0, config_desc={-183:0}, dev_qualifier={-362:0}, device_desc={-2:0}, driver_desc={91:0}, epnum=0, fs_ep_in_desc={-198:0}, fs_ep_out_desc={-89:0}, fs_printer_function={-148:0}, g_printer_devno={-173:0}, hs_ep_in_desc={-81:0}, hs_ep_out_desc={-147:0}, hs_printer_function={-87:0}, idProduct=0, idVendor=0, iManufacturer={0:0}, intf_desc={-88:0}, iPNPstring={0:0}, iProduct={0:0}, iSerialNum={0:0}, ldv_func_arg1={-243:0}, ldv_func_arg1={-243:0}, ldv_func_res=0, LDV_IN_INTERRUPT=1, ldv_register_usb_gadget()=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_usb_gadget=1, ldv_usb_gadget_chrdev=1, ldv_usb_gadget_class=1, manufacturer={93:0}, otg_desc={22:0}, pnp_string={12:0}, printer_driver={-243:0}, printer_driver_group0={0:0}, printer_io_operations={-72:0}, printer_io_operations_group1={0:0}, printer_io_operations_group2={0:0}, printer_mutex={-178:0}, product_desc={-90:0}, qlen=10, ref_cnt=0, serial_num={-146:0}, shortname={122:0}, strings={-149:0}, stringtab={51:0}, tmp=0, usb_gadget_class={99:86}, usb_printer_gadget={-110:0}] [L5780] tmp___0 = ldv_register_usb_gadget() [L5781] return (tmp___0); [L5430] RET, EXPR ldv_usb_gadget_register_driver_9(& printer_driver) VAL [\old(epnum)=0, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_retval_2)=0, \old(ldv_retval_3)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ldv_usb_gadget)=0, \old(ldv_usb_gadget_chrdev)=0, \old(ldv_usb_gadget_class)=0, \old(printer_driver_group0)=0, \old(printer_driver_group0)=0, \old(printer_io_operations_group1)=0, \old(printer_io_operations_group1)=0, \old(printer_io_operations_group2)=0, \old(printer_io_operations_group2)=0, \old(ref_cnt)=0, \old(usb_gadget_class)=0, \old(usb_gadget_class)=0, __this_module={4294967371:4294967700}, bcdDevice=0, config_desc={-183:0}, dev_qualifier={-362:0}, device_desc={-2:0}, driver_desc={91:0}, epnum=0, fs_ep_in_desc={-198:0}, fs_ep_out_desc={-89:0}, fs_printer_function={-148:0}, g_printer_devno={-173:0}, hs_ep_in_desc={-81:0}, hs_ep_out_desc={-147:0}, hs_printer_function={-87:0}, idProduct=0, idVendor=0, iManufacturer={0:0}, intf_desc={-88:0}, iPNPstring={0:0}, iProduct={0:0}, iSerialNum={0:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_usb_gadget=1, ldv_usb_gadget_chrdev=1, ldv_usb_gadget_class=1, ldv_usb_gadget_register_driver_9(& printer_driver)=0, manufacturer={93:0}, otg_desc={22:0}, pnp_string={12:0}, printer_driver={-243:0}, printer_driver_group0={0:0}, printer_io_operations={-72:0}, printer_io_operations_group1={0:0}, printer_io_operations_group2={0:0}, printer_mutex={-178:0}, product_desc={-90:0}, qlen=10, ref_cnt=0, serial_num={-146:0}, shortname={122:0}, status=0, strings={-149:0}, stringtab={51:0}, tmp={99:86}, tmp___1=0, usb_gadget_class={99:86}, usb_printer_gadget={-110:0}] [L5430] status = ldv_usb_gadget_register_driver_9(& printer_driver) [L5431] COND FALSE !(status != 0) VAL [\old(epnum)=0, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_retval_2)=0, \old(ldv_retval_3)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ldv_usb_gadget)=0, \old(ldv_usb_gadget_chrdev)=0, \old(ldv_usb_gadget_class)=0, \old(printer_driver_group0)=0, \old(printer_driver_group0)=0, \old(printer_io_operations_group1)=0, \old(printer_io_operations_group1)=0, \old(printer_io_operations_group2)=0, \old(printer_io_operations_group2)=0, \old(ref_cnt)=0, \old(usb_gadget_class)=0, \old(usb_gadget_class)=0, __this_module={4294967371:4294967700}, bcdDevice=0, config_desc={-183:0}, dev_qualifier={-362:0}, device_desc={-2:0}, driver_desc={91:0}, epnum=0, fs_ep_in_desc={-198:0}, fs_ep_out_desc={-89:0}, fs_printer_function={-148:0}, g_printer_devno={-173:0}, hs_ep_in_desc={-81:0}, hs_ep_out_desc={-147:0}, hs_printer_function={-87:0}, idProduct=0, idVendor=0, iManufacturer={0:0}, intf_desc={-88:0}, iPNPstring={0:0}, iProduct={0:0}, iSerialNum={0:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_usb_gadget=1, ldv_usb_gadget_chrdev=1, ldv_usb_gadget_class=1, manufacturer={93:0}, otg_desc={22:0}, pnp_string={12:0}, printer_driver={-243:0}, printer_driver_group0={0:0}, printer_io_operations={-72:0}, printer_io_operations_group1={0:0}, printer_io_operations_group2={0:0}, printer_mutex={-178:0}, product_desc={-90:0}, qlen=10, ref_cnt=0, serial_num={-146:0}, shortname={122:0}, status=0, strings={-149:0}, stringtab={51:0}, tmp={99:86}, tmp___1=0, usb_gadget_class={99:86}, usb_printer_gadget={-110:0}] [L5437] return (status); VAL [\old(epnum)=0, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_retval_2)=0, \old(ldv_retval_3)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ldv_usb_gadget)=0, \old(ldv_usb_gadget_chrdev)=0, \old(ldv_usb_gadget_class)=0, \old(printer_driver_group0)=0, \old(printer_driver_group0)=0, \old(printer_io_operations_group1)=0, \old(printer_io_operations_group1)=0, \old(printer_io_operations_group2)=0, \old(printer_io_operations_group2)=0, \old(ref_cnt)=0, \old(usb_gadget_class)=0, \old(usb_gadget_class)=0, \result=0, __this_module={4294967371:4294967700}, bcdDevice=0, config_desc={-183:0}, dev_qualifier={-362:0}, device_desc={-2:0}, driver_desc={91:0}, epnum=0, fs_ep_in_desc={-198:0}, fs_ep_out_desc={-89:0}, fs_printer_function={-148:0}, g_printer_devno={-173:0}, hs_ep_in_desc={-81:0}, hs_ep_out_desc={-147:0}, hs_printer_function={-87:0}, idProduct=0, idVendor=0, iManufacturer={0:0}, intf_desc={-88:0}, iPNPstring={0:0}, iProduct={0:0}, iSerialNum={0:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_usb_gadget=1, ldv_usb_gadget_chrdev=1, ldv_usb_gadget_class=1, manufacturer={93:0}, otg_desc={22:0}, pnp_string={12:0}, printer_driver={-243:0}, printer_driver_group0={0:0}, printer_io_operations={-72:0}, printer_io_operations_group1={0:0}, printer_io_operations_group2={0:0}, printer_mutex={-178:0}, product_desc={-90:0}, qlen=10, ref_cnt=0, serial_num={-146:0}, shortname={122:0}, status=0, strings={-149:0}, stringtab={51:0}, tmp={99:86}, tmp___1=0, usb_gadget_class={99:86}, usb_printer_gadget={-110:0}] [L5603] RET, EXPR init() VAL [\old(epnum)=0, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_retval_2)=0, \old(ldv_retval_3)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ldv_usb_gadget)=0, \old(ldv_usb_gadget_chrdev)=0, \old(ldv_usb_gadget_class)=0, \old(printer_driver_group0)=0, \old(printer_driver_group0)=0, \old(printer_io_operations_group1)=0, \old(printer_io_operations_group1)=0, \old(printer_io_operations_group2)=0, \old(printer_io_operations_group2)=0, \old(ref_cnt)=0, \old(usb_gadget_class)=0, \old(usb_gadget_class)=0, __this_module={4294967371:4294967700}, bcdDevice=0, config_desc={-183:0}, dev_qualifier={-362:0}, device_desc={-2:0}, driver_desc={91:0}, epnum=0, fs_ep_in_desc={-198:0}, fs_ep_out_desc={-89:0}, fs_printer_function={-148:0}, g_printer_devno={-173:0}, hs_ep_in_desc={-81:0}, hs_ep_out_desc={-147:0}, hs_printer_function={-87:0}, idProduct=0, idVendor=0, iManufacturer={0:0}, init()=0, intf_desc={-88:0}, iPNPstring={0:0}, iProduct={0:0}, iSerialNum={0:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_usb_gadget=1, ldv_usb_gadget_chrdev=1, ldv_usb_gadget_class=1, ldvarg0={0:0}, ldvarg1=8, ldvarg10={0:0}, ldvarg2=333, ldvarg3={0:0}, ldvarg4=24, ldvarg5={0:0}, ldvarg6=18, ldvarg7={0:0}, ldvarg8={0:0}, ldvarg9=0, manufacturer={93:0}, otg_desc={22:0}, pnp_string={12:0}, printer_driver={-243:0}, printer_driver_group0={0:0}, printer_io_operations={-72:0}, printer_io_operations_group1={0:0}, printer_io_operations_group2={0:0}, printer_mutex={-178:0}, product_desc={-90:0}, qlen=10, ref_cnt=0, serial_num={-146:0}, shortname={122:0}, strings={-149:0}, stringtab={51:0}, tmp={0:0}, tmp___0={0:0}, tmp___1={0:0}, tmp___10=1, tmp___12=1, tmp___2={0:0}, tmp___3=18, tmp___4=8, tmp___5={0:0}, tmp___6=24, tmp___7={0:0}, tmp___8=0, tmp___9=333, usb_gadget_class={99:86}, usb_printer_gadget={-110:0}] [L5603] ldv_retval_2 = init() [L5604] COND FALSE !(ldv_retval_2 != 0) VAL [\old(epnum)=0, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_retval_2)=0, \old(ldv_retval_3)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ldv_usb_gadget)=0, \old(ldv_usb_gadget_chrdev)=0, \old(ldv_usb_gadget_class)=0, \old(printer_driver_group0)=0, \old(printer_driver_group0)=0, \old(printer_io_operations_group1)=0, \old(printer_io_operations_group1)=0, \old(printer_io_operations_group2)=0, \old(printer_io_operations_group2)=0, \old(ref_cnt)=0, \old(usb_gadget_class)=0, \old(usb_gadget_class)=0, __this_module={4294967371:4294967700}, bcdDevice=0, config_desc={-183:0}, dev_qualifier={-362:0}, device_desc={-2:0}, driver_desc={91:0}, epnum=0, fs_ep_in_desc={-198:0}, fs_ep_out_desc={-89:0}, fs_printer_function={-148:0}, g_printer_devno={-173:0}, hs_ep_in_desc={-81:0}, hs_ep_out_desc={-147:0}, hs_printer_function={-87:0}, idProduct=0, idVendor=0, iManufacturer={0:0}, intf_desc={-88:0}, iPNPstring={0:0}, iProduct={0:0}, iSerialNum={0:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_usb_gadget=1, ldv_usb_gadget_chrdev=1, ldv_usb_gadget_class=1, ldvarg0={0:0}, ldvarg1=8, ldvarg10={0:0}, ldvarg2=333, ldvarg3={0:0}, ldvarg4=24, ldvarg5={0:0}, ldvarg6=18, ldvarg7={0:0}, ldvarg8={0:0}, ldvarg9=0, manufacturer={93:0}, otg_desc={22:0}, pnp_string={12:0}, printer_driver={-243:0}, printer_driver_group0={0:0}, printer_io_operations={-72:0}, printer_io_operations_group1={0:0}, printer_io_operations_group2={0:0}, printer_mutex={-178:0}, product_desc={-90:0}, qlen=10, ref_cnt=0, serial_num={-146:0}, shortname={122:0}, strings={-149:0}, stringtab={51:0}, tmp={0:0}, tmp___0={0:0}, tmp___1={0:0}, tmp___10=1, tmp___12=1, tmp___2={0:0}, tmp___3=18, tmp___4=8, tmp___5={0:0}, tmp___6=24, tmp___7={0:0}, tmp___8=0, tmp___9=333, usb_gadget_class={99:86}, usb_printer_gadget={-110:0}] [L5609] COND TRUE ldv_retval_2 == 0 [L5610] ldv_state_variable_0 = 2 [L5611] ldv_state_variable_1 = 1 VAL [\old(epnum)=0, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_retval_2)=0, \old(ldv_retval_3)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ldv_usb_gadget)=0, \old(ldv_usb_gadget_chrdev)=0, \old(ldv_usb_gadget_class)=0, \old(printer_driver_group0)=0, \old(printer_driver_group0)=0, \old(printer_io_operations_group1)=0, \old(printer_io_operations_group1)=0, \old(printer_io_operations_group2)=0, \old(printer_io_operations_group2)=0, \old(ref_cnt)=0, \old(usb_gadget_class)=0, \old(usb_gadget_class)=0, __this_module={4294967371:4294967700}, bcdDevice=0, config_desc={-183:0}, dev_qualifier={-362:0}, device_desc={-2:0}, driver_desc={91:0}, epnum=0, fs_ep_in_desc={-198:0}, fs_ep_out_desc={-89:0}, fs_printer_function={-148:0}, g_printer_devno={-173:0}, hs_ep_in_desc={-81:0}, hs_ep_out_desc={-147:0}, hs_printer_function={-87:0}, idProduct=0, idVendor=0, iManufacturer={0:0}, intf_desc={-88:0}, iPNPstring={0:0}, iProduct={0:0}, iSerialNum={0:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_usb_gadget=1, ldv_usb_gadget_chrdev=1, ldv_usb_gadget_class=1, ldvarg0={0:0}, ldvarg1=8, ldvarg10={0:0}, ldvarg2=333, ldvarg3={0:0}, ldvarg4=24, ldvarg5={0:0}, ldvarg6=18, ldvarg7={0:0}, ldvarg8={0:0}, ldvarg9=0, manufacturer={93:0}, otg_desc={22:0}, pnp_string={12:0}, printer_driver={-243:0}, printer_driver_group0={0:0}, printer_io_operations={-72:0}, printer_io_operations_group1={0:0}, printer_io_operations_group2={0:0}, printer_mutex={-178:0}, product_desc={-90:0}, qlen=10, ref_cnt=0, serial_num={-146:0}, shortname={122:0}, strings={-149:0}, stringtab={51:0}, tmp={0:0}, tmp___0={0:0}, tmp___1={0:0}, tmp___10=1, tmp___12=1, tmp___2={0:0}, tmp___3=18, tmp___4=8, tmp___5={0:0}, tmp___6=24, tmp___7={0:0}, tmp___8=0, tmp___9=333, usb_gadget_class={99:86}, usb_printer_gadget={-110:0}] [L5612] CALL ldv_initialize_usb_gadget_driver_1() VAL [\old(epnum)=0, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_retval_2)=0, \old(ldv_retval_3)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ldv_usb_gadget)=0, \old(ldv_usb_gadget_chrdev)=0, \old(ldv_usb_gadget_class)=0, \old(printer_driver_group0)=0, \old(printer_driver_group0)=0, \old(printer_io_operations_group1)=0, \old(printer_io_operations_group1)=0, \old(printer_io_operations_group2)=0, \old(printer_io_operations_group2)=0, \old(ref_cnt)=0, \old(usb_gadget_class)=0, \old(usb_gadget_class)=0, __this_module={4294967371:4294967700}, bcdDevice=0, config_desc={-183:0}, dev_qualifier={-362:0}, device_desc={-2:0}, driver_desc={91:0}, epnum=0, fs_ep_in_desc={-198:0}, fs_ep_out_desc={-89:0}, fs_printer_function={-148:0}, g_printer_devno={-173:0}, hs_ep_in_desc={-81:0}, hs_ep_out_desc={-147:0}, hs_printer_function={-87:0}, idProduct=0, idVendor=0, iManufacturer={0:0}, intf_desc={-88:0}, iPNPstring={0:0}, iProduct={0:0}, iSerialNum={0:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_usb_gadget=1, ldv_usb_gadget_chrdev=1, ldv_usb_gadget_class=1, manufacturer={93:0}, otg_desc={22:0}, pnp_string={12:0}, printer_driver={-243:0}, printer_driver_group0={0:0}, printer_io_operations={-72:0}, printer_io_operations_group1={0:0}, printer_io_operations_group2={0:0}, printer_mutex={-178:0}, product_desc={-90:0}, qlen=10, ref_cnt=0, serial_num={-146:0}, shortname={122:0}, strings={-149:0}, stringtab={51:0}, usb_gadget_class={99:86}, usb_printer_gadget={-110:0}] [L5464] void *tmp ; VAL [\old(epnum)=0, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_retval_2)=0, \old(ldv_retval_3)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ldv_usb_gadget)=0, \old(ldv_usb_gadget_chrdev)=0, \old(ldv_usb_gadget_class)=0, \old(printer_driver_group0)=0, \old(printer_driver_group0)=0, \old(printer_io_operations_group1)=0, \old(printer_io_operations_group1)=0, \old(printer_io_operations_group2)=0, \old(printer_io_operations_group2)=0, \old(ref_cnt)=0, \old(usb_gadget_class)=0, \old(usb_gadget_class)=0, __this_module={4294967371:4294967700}, bcdDevice=0, config_desc={-183:0}, dev_qualifier={-362:0}, device_desc={-2:0}, driver_desc={91:0}, epnum=0, fs_ep_in_desc={-198:0}, fs_ep_out_desc={-89:0}, fs_printer_function={-148:0}, g_printer_devno={-173:0}, hs_ep_in_desc={-81:0}, hs_ep_out_desc={-147:0}, hs_printer_function={-87:0}, idProduct=0, idVendor=0, iManufacturer={0:0}, intf_desc={-88:0}, iPNPstring={0:0}, iProduct={0:0}, iSerialNum={0:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_usb_gadget=1, ldv_usb_gadget_chrdev=1, ldv_usb_gadget_class=1, manufacturer={93:0}, otg_desc={22:0}, pnp_string={12:0}, printer_driver={-243:0}, printer_driver_group0={0:0}, printer_io_operations={-72:0}, printer_io_operations_group1={0:0}, printer_io_operations_group2={0:0}, printer_mutex={-178:0}, product_desc={-90:0}, qlen=10, ref_cnt=0, serial_num={-146:0}, shortname={122:0}, strings={-149:0}, stringtab={51:0}, usb_gadget_class={99:86}, usb_printer_gadget={-110:0}] [L5466] CALL, EXPR ldv_zalloc(1072UL) VAL [\old(epnum)=0, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_retval_2)=0, \old(ldv_retval_3)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ldv_usb_gadget)=0, \old(ldv_usb_gadget_chrdev)=0, \old(ldv_usb_gadget_class)=0, \old(printer_driver_group0)=0, \old(printer_driver_group0)=0, \old(printer_io_operations_group1)=0, \old(printer_io_operations_group1)=0, \old(printer_io_operations_group2)=0, \old(printer_io_operations_group2)=0, \old(ref_cnt)=0, \old(size)=1072, \old(usb_gadget_class)=0, \old(usb_gadget_class)=0, __this_module={4294967371:4294967700}, bcdDevice=0, config_desc={-183:0}, dev_qualifier={-362:0}, device_desc={-2:0}, driver_desc={91:0}, epnum=0, fs_ep_in_desc={-198:0}, fs_ep_out_desc={-89:0}, fs_printer_function={-148:0}, g_printer_devno={-173:0}, hs_ep_in_desc={-81:0}, hs_ep_out_desc={-147:0}, hs_printer_function={-87:0}, idProduct=0, idVendor=0, iManufacturer={0:0}, intf_desc={-88:0}, iPNPstring={0:0}, iProduct={0:0}, iSerialNum={0:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_usb_gadget=1, ldv_usb_gadget_chrdev=1, ldv_usb_gadget_class=1, manufacturer={93:0}, otg_desc={22:0}, pnp_string={12:0}, printer_driver={-243:0}, printer_driver_group0={0:0}, printer_io_operations={-72:0}, printer_io_operations_group1={0:0}, printer_io_operations_group2={0:0}, printer_mutex={-178:0}, product_desc={-90:0}, qlen=10, ref_cnt=0, serial_num={-146:0}, shortname={122:0}, strings={-149:0}, stringtab={51:0}, usb_gadget_class={99:86}, usb_printer_gadget={-110:0}] [L3186] void *p ; [L3187] void *tmp ; [L3188] int tmp___0 ; [L3190] tmp___0 = __VERIFIER_nondet_int() [L3191] COND TRUE tmp___0 != 0 [L3192] return ((void *)0); VAL [\old(epnum)=0, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_retval_2)=0, \old(ldv_retval_3)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ldv_usb_gadget)=0, \old(ldv_usb_gadget_chrdev)=0, \old(ldv_usb_gadget_class)=0, \old(printer_driver_group0)=0, \old(printer_driver_group0)=0, \old(printer_io_operations_group1)=0, \old(printer_io_operations_group1)=0, \old(printer_io_operations_group2)=0, \old(printer_io_operations_group2)=0, \old(ref_cnt)=0, \old(size)=1072, \old(usb_gadget_class)=0, \old(usb_gadget_class)=0, \result={0:0}, __this_module={4294967371:4294967700}, bcdDevice=0, config_desc={-183:0}, dev_qualifier={-362:0}, device_desc={-2:0}, driver_desc={91:0}, epnum=0, fs_ep_in_desc={-198:0}, fs_ep_out_desc={-89:0}, fs_printer_function={-148:0}, g_printer_devno={-173:0}, hs_ep_in_desc={-81:0}, hs_ep_out_desc={-147:0}, hs_printer_function={-87:0}, idProduct=0, idVendor=0, iManufacturer={0:0}, intf_desc={-88:0}, iPNPstring={0:0}, iProduct={0:0}, iSerialNum={0:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_usb_gadget=1, ldv_usb_gadget_chrdev=1, ldv_usb_gadget_class=1, manufacturer={93:0}, otg_desc={22:0}, pnp_string={12:0}, printer_driver={-243:0}, printer_driver_group0={0:0}, printer_io_operations={-72:0}, printer_io_operations_group1={0:0}, printer_io_operations_group2={0:0}, printer_mutex={-178:0}, product_desc={-90:0}, qlen=10, ref_cnt=0, serial_num={-146:0}, shortname={122:0}, size=1072, strings={-149:0}, stringtab={51:0}, tmp___0=1, usb_gadget_class={99:86}, usb_printer_gadget={-110:0}] [L5466] RET, EXPR ldv_zalloc(1072UL) VAL [\old(epnum)=0, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_retval_2)=0, \old(ldv_retval_3)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ldv_usb_gadget)=0, \old(ldv_usb_gadget_chrdev)=0, \old(ldv_usb_gadget_class)=0, \old(printer_driver_group0)=0, \old(printer_driver_group0)=0, \old(printer_io_operations_group1)=0, \old(printer_io_operations_group1)=0, \old(printer_io_operations_group2)=0, \old(printer_io_operations_group2)=0, \old(ref_cnt)=0, \old(usb_gadget_class)=0, \old(usb_gadget_class)=0, __this_module={4294967371:4294967700}, bcdDevice=0, config_desc={-183:0}, dev_qualifier={-362:0}, device_desc={-2:0}, driver_desc={91:0}, epnum=0, fs_ep_in_desc={-198:0}, fs_ep_out_desc={-89:0}, fs_printer_function={-148:0}, g_printer_devno={-173:0}, hs_ep_in_desc={-81:0}, hs_ep_out_desc={-147:0}, hs_printer_function={-87:0}, idProduct=0, idVendor=0, iManufacturer={0:0}, intf_desc={-88:0}, iPNPstring={0:0}, iProduct={0:0}, iSerialNum={0:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_usb_gadget=1, ldv_usb_gadget_chrdev=1, ldv_usb_gadget_class=1, ldv_zalloc(1072UL)={0:0}, manufacturer={93:0}, otg_desc={22:0}, pnp_string={12:0}, printer_driver={-243:0}, printer_driver_group0={0:0}, printer_io_operations={-72:0}, printer_io_operations_group1={0:0}, printer_io_operations_group2={0:0}, printer_mutex={-178:0}, product_desc={-90:0}, qlen=10, ref_cnt=0, serial_num={-146:0}, shortname={122:0}, strings={-149:0}, stringtab={51:0}, usb_gadget_class={99:86}, usb_printer_gadget={-110:0}] [L5466] tmp = ldv_zalloc(1072UL) [L5467] printer_driver_group0 = (struct usb_gadget *)tmp [L5612] RET ldv_initialize_usb_gadget_driver_1() VAL [\old(epnum)=0, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_retval_2)=0, \old(ldv_retval_3)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ldv_usb_gadget)=0, \old(ldv_usb_gadget_chrdev)=0, \old(ldv_usb_gadget_class)=0, \old(printer_driver_group0)=0, \old(printer_driver_group0)=0, \old(printer_io_operations_group1)=0, \old(printer_io_operations_group1)=0, \old(printer_io_operations_group2)=0, \old(printer_io_operations_group2)=0, \old(ref_cnt)=0, \old(usb_gadget_class)=0, \old(usb_gadget_class)=0, __this_module={4294967371:4294967700}, bcdDevice=0, config_desc={-183:0}, dev_qualifier={-362:0}, device_desc={-2:0}, driver_desc={91:0}, epnum=0, fs_ep_in_desc={-198:0}, fs_ep_out_desc={-89:0}, fs_printer_function={-148:0}, g_printer_devno={-173:0}, hs_ep_in_desc={-81:0}, hs_ep_out_desc={-147:0}, hs_printer_function={-87:0}, idProduct=0, idVendor=0, iManufacturer={0:0}, intf_desc={-88:0}, iPNPstring={0:0}, iProduct={0:0}, iSerialNum={0:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_usb_gadget=1, ldv_usb_gadget_chrdev=1, ldv_usb_gadget_class=1, ldvarg0={0:0}, ldvarg1=8, ldvarg10={0:0}, ldvarg2=333, ldvarg3={0:0}, ldvarg4=24, ldvarg5={0:0}, ldvarg6=18, ldvarg7={0:0}, ldvarg8={0:0}, ldvarg9=0, manufacturer={93:0}, otg_desc={22:0}, pnp_string={12:0}, printer_driver={-243:0}, printer_driver_group0={0:0}, printer_io_operations={-72:0}, printer_io_operations_group1={0:0}, printer_io_operations_group2={0:0}, printer_mutex={-178:0}, product_desc={-90:0}, qlen=10, ref_cnt=0, serial_num={-146:0}, shortname={122:0}, strings={-149:0}, stringtab={51:0}, tmp={0:0}, tmp___0={0:0}, tmp___1={0:0}, tmp___10=1, tmp___12=1, tmp___2={0:0}, tmp___3=18, tmp___4=8, tmp___5={0:0}, tmp___6=24, tmp___7={0:0}, tmp___8=0, tmp___9=333, usb_gadget_class={99:86}, usb_printer_gadget={-110:0}] [L5540] tmp___10 = __VERIFIER_nondet_int() [L5542] case 0: [L5589] case 1: VAL [\old(epnum)=0, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_retval_2)=0, \old(ldv_retval_3)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ldv_usb_gadget)=0, \old(ldv_usb_gadget_chrdev)=0, \old(ldv_usb_gadget_class)=0, \old(printer_driver_group0)=0, \old(printer_driver_group0)=0, \old(printer_io_operations_group1)=0, \old(printer_io_operations_group1)=0, \old(printer_io_operations_group2)=0, \old(printer_io_operations_group2)=0, \old(ref_cnt)=0, \old(usb_gadget_class)=0, \old(usb_gadget_class)=0, __this_module={4294967371:4294967700}, bcdDevice=0, config_desc={-183:0}, dev_qualifier={-362:0}, device_desc={-2:0}, driver_desc={91:0}, epnum=0, fs_ep_in_desc={-198:0}, fs_ep_out_desc={-89:0}, fs_printer_function={-148:0}, g_printer_devno={-173:0}, hs_ep_in_desc={-81:0}, hs_ep_out_desc={-147:0}, hs_printer_function={-87:0}, idProduct=0, idVendor=0, iManufacturer={0:0}, intf_desc={-88:0}, iPNPstring={0:0}, iProduct={0:0}, iSerialNum={0:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_usb_gadget=1, ldv_usb_gadget_chrdev=1, ldv_usb_gadget_class=1, ldvarg0={0:0}, ldvarg1=8, ldvarg10={0:0}, ldvarg2=333, ldvarg3={0:0}, ldvarg4=24, ldvarg5={0:0}, ldvarg6=18, ldvarg7={0:0}, ldvarg8={0:0}, ldvarg9=0, manufacturer={93:0}, otg_desc={22:0}, pnp_string={12:0}, printer_driver={-243:0}, printer_driver_group0={0:0}, printer_io_operations={-72:0}, printer_io_operations_group1={0:0}, printer_io_operations_group2={0:0}, printer_mutex={-178:0}, product_desc={-90:0}, qlen=10, ref_cnt=0, serial_num={-146:0}, shortname={122:0}, strings={-149:0}, stringtab={51:0}, tmp={0:0}, tmp___0={0:0}, tmp___1={0:0}, tmp___10=1, tmp___12=1, tmp___2={0:0}, tmp___3=18, tmp___4=8, tmp___5={0:0}, tmp___6=24, tmp___7={0:0}, tmp___8=0, tmp___9=333, usb_gadget_class={99:86}, usb_printer_gadget={-110:0}] [L5590] COND TRUE ldv_state_variable_0 != 0 [L5591] tmp___12 = __VERIFIER_nondet_int() [L5593] case 0: VAL [\old(epnum)=0, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_retval_2)=0, \old(ldv_retval_3)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ldv_usb_gadget)=0, \old(ldv_usb_gadget_chrdev)=0, \old(ldv_usb_gadget_class)=0, \old(printer_driver_group0)=0, \old(printer_driver_group0)=0, \old(printer_io_operations_group1)=0, \old(printer_io_operations_group1)=0, \old(printer_io_operations_group2)=0, \old(printer_io_operations_group2)=0, \old(ref_cnt)=0, \old(usb_gadget_class)=0, \old(usb_gadget_class)=0, __this_module={4294967371:4294967700}, bcdDevice=0, config_desc={-183:0}, dev_qualifier={-362:0}, device_desc={-2:0}, driver_desc={91:0}, epnum=0, fs_ep_in_desc={-198:0}, fs_ep_out_desc={-89:0}, fs_printer_function={-148:0}, g_printer_devno={-173:0}, hs_ep_in_desc={-81:0}, hs_ep_out_desc={-147:0}, hs_printer_function={-87:0}, idProduct=0, idVendor=0, iManufacturer={0:0}, intf_desc={-88:0}, iPNPstring={0:0}, iProduct={0:0}, iSerialNum={0:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_usb_gadget=1, ldv_usb_gadget_chrdev=1, ldv_usb_gadget_class=1, ldvarg0={0:0}, ldvarg1=8, ldvarg10={0:0}, ldvarg2=333, ldvarg3={0:0}, ldvarg4=24, ldvarg5={0:0}, ldvarg6=18, ldvarg7={0:0}, ldvarg8={0:0}, ldvarg9=0, manufacturer={93:0}, otg_desc={22:0}, pnp_string={12:0}, printer_driver={-243:0}, printer_driver_group0={0:0}, printer_io_operations={-72:0}, printer_io_operations_group1={0:0}, printer_io_operations_group2={0:0}, printer_mutex={-178:0}, product_desc={-90:0}, qlen=10, ref_cnt=0, serial_num={-146:0}, shortname={122:0}, strings={-149:0}, stringtab={51:0}, tmp={0:0}, tmp___0={0:0}, tmp___1={0:0}, tmp___10=1, tmp___12=0, tmp___2={0:0}, tmp___3=18, tmp___4=8, tmp___5={0:0}, tmp___6=24, tmp___7={0:0}, tmp___8=0, tmp___9=333, usb_gadget_class={99:86}, usb_printer_gadget={-110:0}] [L5594] COND TRUE ldv_state_variable_0 == 2 && ref_cnt == 0 VAL [\old(epnum)=0, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_retval_2)=0, \old(ldv_retval_3)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ldv_usb_gadget)=0, \old(ldv_usb_gadget_chrdev)=0, \old(ldv_usb_gadget_class)=0, \old(printer_driver_group0)=0, \old(printer_driver_group0)=0, \old(printer_io_operations_group1)=0, \old(printer_io_operations_group1)=0, \old(printer_io_operations_group2)=0, \old(printer_io_operations_group2)=0, \old(ref_cnt)=0, \old(usb_gadget_class)=0, \old(usb_gadget_class)=0, __this_module={4294967371:4294967700}, bcdDevice=0, config_desc={-183:0}, dev_qualifier={-362:0}, device_desc={-2:0}, driver_desc={91:0}, epnum=0, fs_ep_in_desc={-198:0}, fs_ep_out_desc={-89:0}, fs_printer_function={-148:0}, g_printer_devno={-173:0}, hs_ep_in_desc={-81:0}, hs_ep_out_desc={-147:0}, hs_printer_function={-87:0}, idProduct=0, idVendor=0, iManufacturer={0:0}, intf_desc={-88:0}, iPNPstring={0:0}, iProduct={0:0}, iSerialNum={0:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_usb_gadget=1, ldv_usb_gadget_chrdev=1, ldv_usb_gadget_class=1, ldvarg0={0:0}, ldvarg1=8, ldvarg10={0:0}, ldvarg2=333, ldvarg3={0:0}, ldvarg4=24, ldvarg5={0:0}, ldvarg6=18, ldvarg7={0:0}, ldvarg8={0:0}, ldvarg9=0, manufacturer={93:0}, otg_desc={22:0}, pnp_string={12:0}, printer_driver={-243:0}, printer_driver_group0={0:0}, printer_io_operations={-72:0}, printer_io_operations_group1={0:0}, printer_io_operations_group2={0:0}, printer_mutex={-178:0}, product_desc={-90:0}, qlen=10, ref_cnt=0, serial_num={-146:0}, shortname={122:0}, strings={-149:0}, stringtab={51:0}, tmp={0:0}, tmp___0={0:0}, tmp___1={0:0}, tmp___10=1, tmp___12=0, tmp___2={0:0}, tmp___3=18, tmp___4=8, tmp___5={0:0}, tmp___6=24, tmp___7={0:0}, tmp___8=0, tmp___9=333, usb_gadget_class={99:86}, usb_printer_gadget={-110:0}] [L5595] CALL cleanup() VAL [\old(epnum)=0, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_retval_2)=0, \old(ldv_retval_3)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ldv_usb_gadget)=1, \old(ldv_usb_gadget_chrdev)=1, \old(ldv_usb_gadget_class)=1, \old(printer_driver_group0)=0, \old(printer_driver_group0)=0, \old(printer_io_operations_group1)=0, \old(printer_io_operations_group1)=0, \old(printer_io_operations_group2)=0, \old(printer_io_operations_group2)=0, \old(ref_cnt)=0, \old(usb_gadget_class)=0, \old(usb_gadget_class)=0, __this_module={4294967371:4294967700}, bcdDevice=0, config_desc={-183:0}, dev_qualifier={-362:0}, device_desc={-2:0}, driver_desc={91:0}, epnum=0, fs_ep_in_desc={-198:0}, fs_ep_out_desc={-89:0}, fs_printer_function={-148:0}, g_printer_devno={-173:0}, hs_ep_in_desc={-81:0}, hs_ep_out_desc={-147:0}, hs_printer_function={-87:0}, idProduct=0, idVendor=0, iManufacturer={0:0}, intf_desc={-88:0}, iPNPstring={0:0}, iProduct={0:0}, iSerialNum={0:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_usb_gadget=1, ldv_usb_gadget_chrdev=1, ldv_usb_gadget_class=1, manufacturer={93:0}, otg_desc={22:0}, pnp_string={12:0}, printer_driver={-243:0}, printer_driver_group0={0:0}, printer_io_operations={-72:0}, printer_io_operations_group1={0:0}, printer_io_operations_group2={0:0}, printer_mutex={-178:0}, product_desc={-90:0}, qlen=10, ref_cnt=0, serial_num={-146:0}, shortname={122:0}, strings={-149:0}, stringtab={51:0}, usb_gadget_class={99:86}, usb_printer_gadget={-110:0}] [L5442] int status ; VAL [\old(epnum)=0, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_retval_2)=0, \old(ldv_retval_3)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ldv_usb_gadget)=1, \old(ldv_usb_gadget_chrdev)=1, \old(ldv_usb_gadget_class)=1, \old(printer_driver_group0)=0, \old(printer_driver_group0)=0, \old(printer_io_operations_group1)=0, \old(printer_io_operations_group1)=0, \old(printer_io_operations_group2)=0, \old(printer_io_operations_group2)=0, \old(ref_cnt)=0, \old(usb_gadget_class)=0, \old(usb_gadget_class)=0, __this_module={4294967371:4294967700}, bcdDevice=0, config_desc={-183:0}, dev_qualifier={-362:0}, device_desc={-2:0}, driver_desc={91:0}, epnum=0, fs_ep_in_desc={-198:0}, fs_ep_out_desc={-89:0}, fs_printer_function={-148:0}, g_printer_devno={-173:0}, hs_ep_in_desc={-81:0}, hs_ep_out_desc={-147:0}, hs_printer_function={-87:0}, idProduct=0, idVendor=0, iManufacturer={0:0}, intf_desc={-88:0}, iPNPstring={0:0}, iProduct={0:0}, iSerialNum={0:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_usb_gadget=1, ldv_usb_gadget_chrdev=1, ldv_usb_gadget_class=1, manufacturer={93:0}, otg_desc={22:0}, pnp_string={12:0}, printer_driver={-243:0}, printer_driver_group0={0:0}, printer_io_operations={-72:0}, printer_io_operations_group1={0:0}, printer_io_operations_group2={0:0}, printer_mutex={-178:0}, product_desc={-90:0}, qlen=10, ref_cnt=0, serial_num={-146:0}, shortname={122:0}, strings={-149:0}, stringtab={51:0}, usb_gadget_class={99:86}, usb_printer_gadget={-110:0}] [L5444] FCALL mutex_lock_nested(& usb_printer_gadget.lock_printer_io, 0U) VAL [\old(epnum)=0, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_retval_2)=0, \old(ldv_retval_3)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ldv_usb_gadget)=1, \old(ldv_usb_gadget_chrdev)=1, \old(ldv_usb_gadget_class)=1, \old(printer_driver_group0)=0, \old(printer_driver_group0)=0, \old(printer_io_operations_group1)=0, \old(printer_io_operations_group1)=0, \old(printer_io_operations_group2)=0, \old(printer_io_operations_group2)=0, \old(ref_cnt)=0, \old(usb_gadget_class)=0, \old(usb_gadget_class)=0, __this_module={4294967371:4294967700}, bcdDevice=0, config_desc={-183:0}, dev_qualifier={-362:0}, device_desc={-2:0}, driver_desc={91:0}, epnum=0, fs_ep_in_desc={-198:0}, fs_ep_out_desc={-89:0}, fs_printer_function={-148:0}, g_printer_devno={-173:0}, hs_ep_in_desc={-81:0}, hs_ep_out_desc={-147:0}, hs_printer_function={-87:0}, idProduct=0, idVendor=0, iManufacturer={0:0}, intf_desc={-88:0}, iPNPstring={0:0}, iProduct={0:0}, iSerialNum={0:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_usb_gadget=1, ldv_usb_gadget_chrdev=1, ldv_usb_gadget_class=1, manufacturer={93:0}, otg_desc={22:0}, pnp_string={12:0}, printer_driver={-243:0}, printer_driver_group0={0:0}, printer_io_operations={-72:0}, printer_io_operations_group1={0:0}, printer_io_operations_group2={0:0}, printer_mutex={-178:0}, product_desc={-90:0}, qlen=10, ref_cnt=0, serial_num={-146:0}, shortname={122:0}, strings={-149:0}, stringtab={51:0}, usb_gadget_class={99:86}, usb_printer_gadget={-110:0}] [L5445] CALL ldv_class_destroy_12(usb_gadget_class) VAL [\old(epnum)=0, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_retval_2)=0, \old(ldv_retval_3)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ldv_usb_gadget)=1, \old(ldv_usb_gadget_chrdev)=1, \old(ldv_usb_gadget_class)=1, \old(printer_driver_group0)=0, \old(printer_driver_group0)=0, \old(printer_io_operations_group1)=0, \old(printer_io_operations_group1)=0, \old(printer_io_operations_group2)=0, \old(printer_io_operations_group2)=0, \old(ref_cnt)=0, \old(usb_gadget_class)=0, \old(usb_gadget_class)=0, __this_module={4294967371:4294967700}, bcdDevice=0, config_desc={-183:0}, dev_qualifier={-362:0}, device_desc={-2:0}, driver_desc={91:0}, epnum=0, fs_ep_in_desc={-198:0}, fs_ep_out_desc={-89:0}, fs_printer_function={-148:0}, g_printer_devno={-173:0}, hs_ep_in_desc={-81:0}, hs_ep_out_desc={-147:0}, hs_printer_function={-87:0}, idProduct=0, idVendor=0, iManufacturer={0:0}, intf_desc={-88:0}, iPNPstring={0:0}, iProduct={0:0}, iSerialNum={0:0}, ldv_func_arg1={99:86}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_usb_gadget=1, ldv_usb_gadget_chrdev=1, ldv_usb_gadget_class=1, manufacturer={93:0}, otg_desc={22:0}, pnp_string={12:0}, printer_driver={-243:0}, printer_driver_group0={0:0}, printer_io_operations={-72:0}, printer_io_operations_group1={0:0}, printer_io_operations_group2={0:0}, printer_mutex={-178:0}, product_desc={-90:0}, qlen=10, ref_cnt=0, serial_num={-146:0}, shortname={122:0}, strings={-149:0}, stringtab={51:0}, usb_gadget_class={99:86}, usb_printer_gadget={-110:0}] [L5804] FCALL class_destroy(ldv_func_arg1) VAL [\old(epnum)=0, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_retval_2)=0, \old(ldv_retval_3)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ldv_usb_gadget)=1, \old(ldv_usb_gadget_chrdev)=1, \old(ldv_usb_gadget_class)=1, \old(printer_driver_group0)=0, \old(printer_driver_group0)=0, \old(printer_io_operations_group1)=0, \old(printer_io_operations_group1)=0, \old(printer_io_operations_group2)=0, \old(printer_io_operations_group2)=0, \old(ref_cnt)=0, \old(usb_gadget_class)=0, \old(usb_gadget_class)=0, __this_module={4294967371:4294967700}, bcdDevice=0, config_desc={-183:0}, dev_qualifier={-362:0}, device_desc={-2:0}, driver_desc={91:0}, epnum=0, fs_ep_in_desc={-198:0}, fs_ep_out_desc={-89:0}, fs_printer_function={-148:0}, g_printer_devno={-173:0}, hs_ep_in_desc={-81:0}, hs_ep_out_desc={-147:0}, hs_printer_function={-87:0}, idProduct=0, idVendor=0, iManufacturer={0:0}, intf_desc={-88:0}, iPNPstring={0:0}, iProduct={0:0}, iSerialNum={0:0}, ldv_func_arg1={99:86}, ldv_func_arg1={99:86}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_usb_gadget=1, ldv_usb_gadget_chrdev=1, ldv_usb_gadget_class=1, manufacturer={93:0}, otg_desc={22:0}, pnp_string={12:0}, printer_driver={-243:0}, printer_driver_group0={0:0}, printer_io_operations={-72:0}, printer_io_operations_group1={0:0}, printer_io_operations_group2={0:0}, printer_mutex={-178:0}, product_desc={-90:0}, qlen=10, ref_cnt=0, serial_num={-146:0}, shortname={122:0}, strings={-149:0}, stringtab={51:0}, usb_gadget_class={99:86}, usb_printer_gadget={-110:0}] [L5805] CALL ldv_unregister_class() VAL [\old(epnum)=0, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_retval_2)=0, \old(ldv_retval_3)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ldv_usb_gadget)=1, \old(ldv_usb_gadget_chrdev)=1, \old(ldv_usb_gadget_class)=1, \old(printer_driver_group0)=0, \old(printer_driver_group0)=0, \old(printer_io_operations_group1)=0, \old(printer_io_operations_group1)=0, \old(printer_io_operations_group2)=0, \old(printer_io_operations_group2)=0, \old(ref_cnt)=0, \old(usb_gadget_class)=0, \old(usb_gadget_class)=0, __this_module={4294967371:4294967700}, bcdDevice=0, config_desc={-183:0}, dev_qualifier={-362:0}, device_desc={-2:0}, driver_desc={91:0}, epnum=0, fs_ep_in_desc={-198:0}, fs_ep_out_desc={-89:0}, fs_printer_function={-148:0}, g_printer_devno={-173:0}, hs_ep_in_desc={-81:0}, hs_ep_out_desc={-147:0}, hs_printer_function={-87:0}, idProduct=0, idVendor=0, iManufacturer={0:0}, intf_desc={-88:0}, iPNPstring={0:0}, iProduct={0:0}, iSerialNum={0:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_usb_gadget=1, ldv_usb_gadget_chrdev=1, ldv_usb_gadget_class=1, manufacturer={93:0}, otg_desc={22:0}, pnp_string={12:0}, printer_driver={-243:0}, printer_driver_group0={0:0}, printer_io_operations={-72:0}, printer_io_operations_group1={0:0}, printer_io_operations_group2={0:0}, printer_mutex={-178:0}, product_desc={-90:0}, qlen=10, ref_cnt=0, serial_num={-146:0}, shortname={122:0}, strings={-149:0}, stringtab={51:0}, usb_gadget_class={99:86}, usb_printer_gadget={-110:0}] [L5931] COND FALSE !(ldv_usb_gadget == 0) VAL [\old(epnum)=0, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_retval_2)=0, \old(ldv_retval_3)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ldv_usb_gadget)=1, \old(ldv_usb_gadget_chrdev)=1, \old(ldv_usb_gadget_class)=1, \old(printer_driver_group0)=0, \old(printer_driver_group0)=0, \old(printer_io_operations_group1)=0, \old(printer_io_operations_group1)=0, \old(printer_io_operations_group2)=0, \old(printer_io_operations_group2)=0, \old(ref_cnt)=0, \old(usb_gadget_class)=0, \old(usb_gadget_class)=0, __this_module={4294967371:4294967700}, bcdDevice=0, config_desc={-183:0}, dev_qualifier={-362:0}, device_desc={-2:0}, driver_desc={91:0}, epnum=0, fs_ep_in_desc={-198:0}, fs_ep_out_desc={-89:0}, fs_printer_function={-148:0}, g_printer_devno={-173:0}, hs_ep_in_desc={-81:0}, hs_ep_out_desc={-147:0}, hs_printer_function={-87:0}, idProduct=0, idVendor=0, iManufacturer={0:0}, intf_desc={-88:0}, iPNPstring={0:0}, iProduct={0:0}, iSerialNum={0:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_usb_gadget=1, ldv_usb_gadget_chrdev=1, ldv_usb_gadget_class=1, manufacturer={93:0}, otg_desc={22:0}, pnp_string={12:0}, printer_driver={-243:0}, printer_driver_group0={0:0}, printer_io_operations={-72:0}, printer_io_operations_group1={0:0}, printer_io_operations_group2={0:0}, printer_mutex={-178:0}, product_desc={-90:0}, qlen=10, ref_cnt=0, serial_num={-146:0}, shortname={122:0}, strings={-149:0}, stringtab={51:0}, usb_gadget_class={99:86}, usb_printer_gadget={-110:0}] [L5933] CALL ldv_error() VAL [\old(epnum)=0, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_retval_2)=0, \old(ldv_retval_3)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ldv_usb_gadget)=1, \old(ldv_usb_gadget_chrdev)=1, \old(ldv_usb_gadget_class)=1, \old(printer_driver_group0)=0, \old(printer_driver_group0)=0, \old(printer_io_operations_group1)=0, \old(printer_io_operations_group1)=0, \old(printer_io_operations_group2)=0, \old(printer_io_operations_group2)=0, \old(ref_cnt)=0, \old(usb_gadget_class)=0, \old(usb_gadget_class)=0, __this_module={4294967371:4294967700}, bcdDevice=0, config_desc={-183:0}, dev_qualifier={-362:0}, device_desc={-2:0}, driver_desc={91:0}, epnum=0, fs_ep_in_desc={-198:0}, fs_ep_out_desc={-89:0}, fs_printer_function={-148:0}, g_printer_devno={-173:0}, hs_ep_in_desc={-81:0}, hs_ep_out_desc={-147:0}, hs_printer_function={-87:0}, idProduct=0, idVendor=0, iManufacturer={0:0}, intf_desc={-88:0}, iPNPstring={0:0}, iProduct={0:0}, iSerialNum={0:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_usb_gadget=1, ldv_usb_gadget_chrdev=1, ldv_usb_gadget_class=1, manufacturer={93:0}, otg_desc={22:0}, pnp_string={12:0}, printer_driver={-243:0}, printer_driver_group0={0:0}, printer_io_operations={-72:0}, printer_io_operations_group1={0:0}, printer_io_operations_group2={0:0}, printer_mutex={-178:0}, product_desc={-90:0}, qlen=10, ref_cnt=0, serial_num={-146:0}, shortname={122:0}, strings={-149:0}, stringtab={51:0}, usb_gadget_class={99:86}, usb_printer_gadget={-110:0}] [L3229] __VERIFIER_error() VAL [\old(epnum)=0, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_retval_2)=0, \old(ldv_retval_3)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ldv_state_variable_2)=0, \old(ldv_usb_gadget)=1, \old(ldv_usb_gadget_chrdev)=1, \old(ldv_usb_gadget_class)=1, \old(printer_driver_group0)=0, \old(printer_driver_group0)=0, \old(printer_io_operations_group1)=0, \old(printer_io_operations_group1)=0, \old(printer_io_operations_group2)=0, \old(printer_io_operations_group2)=0, \old(ref_cnt)=0, \old(usb_gadget_class)=0, \old(usb_gadget_class)=0, __this_module={4294967371:4294967700}, bcdDevice=0, config_desc={-183:0}, dev_qualifier={-362:0}, device_desc={-2:0}, driver_desc={91:0}, epnum=0, fs_ep_in_desc={-198:0}, fs_ep_out_desc={-89:0}, fs_printer_function={-148:0}, g_printer_devno={-173:0}, hs_ep_in_desc={-81:0}, hs_ep_out_desc={-147:0}, hs_printer_function={-87:0}, idProduct=0, idVendor=0, iManufacturer={0:0}, intf_desc={-88:0}, iPNPstring={0:0}, iProduct={0:0}, iSerialNum={0:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_usb_gadget=1, ldv_usb_gadget_chrdev=1, ldv_usb_gadget_class=1, manufacturer={93:0}, otg_desc={22:0}, pnp_string={12:0}, printer_driver={-243:0}, printer_driver_group0={0:0}, printer_io_operations={-72:0}, printer_io_operations_group1={0:0}, printer_io_operations_group2={0:0}, printer_mutex={-178:0}, product_desc={-90:0}, qlen=10, ref_cnt=0, serial_num={-146:0}, shortname={122:0}, strings={-149:0}, stringtab={51:0}, usb_gadget_class={99:86}, usb_printer_gadget={-110:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 169 procedures, 1371 locations, 1 error locations. Result: UNSAFE, OverallTime: 120.7s, OverallIterations: 16, TraceHistogramMax: 7, AutomataDifference: 37.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 32244 SDtfs, 17161 SDslu, 166824 SDs, 0 SdLazy, 3313 SolverSat, 1931 SolverUnsat, 8 SolverUnknown, 0 SolverNotchecked, 25.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 194 GetRequests, 48 SyntacticMatches, 2 SemanticMatches, 144 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 356 ImplicationChecksByTransitivity, 2.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=30592occurred in iteration=5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 8.0s AutomataMinimizationTime, 15 MinimizatonAttempts, 8752 StatesRemovedByMinimization, 13 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 30.8s SatisfiabilityAnalysisTime, 3.0s InterpolantComputationTime, 1859 NumberOfCodeBlocks, 1859 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 1678 ConstructedInterpolants, 0 QuantifiedInterpolants, 292478 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 15 InterpolantComputations, 15 PerfectInterpolantSequences, 1002/1002 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...