/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --abstractinterpretationv2.abstract.domain IntervalDomain --traceabstraction.trace.refinement.strategy TAIPAN --traceabstraction.abstract.interpretation.mode USE_PREDICATES -i ../../../trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--usb--gadget--udc--gr_udc.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fb55353 [2019-11-07 00:20:28,274 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-07 00:20:28,278 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-07 00:20:28,295 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-07 00:20:28,295 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-07 00:20:28,297 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-07 00:20:28,299 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-07 00:20:28,308 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-07 00:20:28,311 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-07 00:20:28,315 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-07 00:20:28,316 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-07 00:20:28,318 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-07 00:20:28,318 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-07 00:20:28,319 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-07 00:20:28,321 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-07 00:20:28,323 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-07 00:20:28,325 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-07 00:20:28,325 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-07 00:20:28,327 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-07 00:20:28,331 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-07 00:20:28,335 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-07 00:20:28,337 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-07 00:20:28,340 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-07 00:20:28,340 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-07 00:20:28,343 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-07 00:20:28,343 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-07 00:20:28,343 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-07 00:20:28,345 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-07 00:20:28,345 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-07 00:20:28,347 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-07 00:20:28,347 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-07 00:20:28,348 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-07 00:20:28,348 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-07 00:20:28,349 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-07 00:20:28,350 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-07 00:20:28,350 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-07 00:20:28,351 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-07 00:20:28,351 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-07 00:20:28,351 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-07 00:20:28,353 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-07 00:20:28,353 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-07 00:20:28,354 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-07 00:20:28,372 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-07 00:20:28,372 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-07 00:20:28,373 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-07 00:20:28,373 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-07 00:20:28,373 INFO L138 SettingsManager]: * Use SBE=true [2019-11-07 00:20:28,374 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-07 00:20:28,374 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-07 00:20:28,374 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-07 00:20:28,374 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-07 00:20:28,374 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-07 00:20:28,375 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-07 00:20:28,375 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-07 00:20:28,375 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-07 00:20:28,375 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-07 00:20:28,375 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-07 00:20:28,375 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-07 00:20:28,376 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-07 00:20:28,376 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-07 00:20:28,376 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-07 00:20:28,376 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-07 00:20:28,376 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-07 00:20:28,377 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-07 00:20:28,377 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-07 00:20:28,377 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-07 00:20:28,377 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-07 00:20:28,378 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-07 00:20:28,378 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-07 00:20:28,378 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-07 00:20:28,378 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: Abstract domain -> IntervalDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Abstract interpretation Mode -> USE_PREDICATES [2019-11-07 00:20:28,675 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-07 00:20:28,698 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-07 00:20:28,701 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-07 00:20:28,703 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-07 00:20:28,703 INFO L275 PluginConnector]: CDTParser initialized [2019-11-07 00:20:28,704 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--usb--gadget--udc--gr_udc.ko-entry_point.cil.out.i [2019-11-07 00:20:28,775 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4ed57eaab/7eb9d1d1e314449498b97ba411976f77/FLAGf5b335776 [2019-11-07 00:20:29,619 INFO L306 CDTParser]: Found 1 translation units. [2019-11-07 00:20:29,620 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--usb--gadget--udc--gr_udc.ko-entry_point.cil.out.i [2019-11-07 00:20:29,655 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4ed57eaab/7eb9d1d1e314449498b97ba411976f77/FLAGf5b335776 [2019-11-07 00:20:30,108 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4ed57eaab/7eb9d1d1e314449498b97ba411976f77 [2019-11-07 00:20:30,118 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-07 00:20:30,119 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-11-07 00:20:30,120 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-07 00:20:30,120 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-07 00:20:30,124 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-07 00:20:30,125 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 12:20:30" (1/1) ... [2019-11-07 00:20:30,127 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b18f1e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:20:30, skipping insertion in model container [2019-11-07 00:20:30,128 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 12:20:30" (1/1) ... [2019-11-07 00:20:30,135 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-07 00:20:30,251 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-07 00:20:32,277 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 00:20:32,339 INFO L188 MainTranslator]: Completed pre-run [2019-11-07 00:20:32,762 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 00:20:33,344 INFO L192 MainTranslator]: Completed translation [2019-11-07 00:20:33,345 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:20:33 WrapperNode [2019-11-07 00:20:33,345 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-07 00:20:33,346 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-07 00:20:33,346 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-07 00:20:33,346 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-07 00:20:33,361 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:20:33" (1/1) ... [2019-11-07 00:20:33,361 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:20:33" (1/1) ... [2019-11-07 00:20:33,478 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:20:33" (1/1) ... [2019-11-07 00:20:33,478 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:20:33" (1/1) ... [2019-11-07 00:20:33,617 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:20:33" (1/1) ... [2019-11-07 00:20:33,649 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:20:33" (1/1) ... [2019-11-07 00:20:33,693 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:20:33" (1/1) ... [2019-11-07 00:20:33,733 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-07 00:20:33,733 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-07 00:20:33,733 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-07 00:20:33,734 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-07 00:20:33,734 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:20:33" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-07 00:20:33,813 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-07 00:20:33,813 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-07 00:20:33,813 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2019-11-07 00:20:33,813 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2019-11-07 00:20:33,814 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2019-11-07 00:20:33,815 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2019-11-07 00:20:33,815 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2019-11-07 00:20:33,816 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del_init [2019-11-07 00:20:33,817 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2019-11-07 00:20:33,818 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-11-07 00:20:33,819 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-11-07 00:20:33,819 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2019-11-07 00:20:33,820 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2019-11-07 00:20:33,821 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2019-11-07 00:20:33,821 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ptr [2019-11-07 00:20:33,821 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2019-11-07 00:20:33,823 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2019-11-07 00:20:33,823 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2019-11-07 00:20:33,824 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2019-11-07 00:20:33,824 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2019-11-07 00:20:33,824 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2019-11-07 00:20:33,824 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2019-11-07 00:20:33,824 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2019-11-07 00:20:33,825 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2019-11-07 00:20:33,825 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2019-11-07 00:20:33,825 INFO L138 BoogieDeclarations]: Found implementation of procedure kobject_name [2019-11-07 00:20:33,825 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_kzalloc [2019-11-07 00:20:33,825 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2019-11-07 00:20:33,825 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2019-11-07 00:20:33,825 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2019-11-07 00:20:33,826 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_dir_in [2019-11-07 00:20:33,826 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_xfer_bulk [2019-11-07 00:20:33,826 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_xfer_control [2019-11-07 00:20:33,826 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_xfer_int [2019-11-07 00:20:33,826 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_xfer_isoc [2019-11-07 00:20:33,827 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_maxp [2019-11-07 00:20:33,827 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_ep_set_maxpacket_limit [2019-11-07 00:20:33,827 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_drvdata [2019-11-07 00:20:33,828 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_set_drvdata [2019-11-07 00:20:33,828 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_ep0state_string [2019-11-07 00:20:33,828 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_dbgprint_request [2019-11-07 00:20:33,828 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_dbgprint_devreq [2019-11-07 00:20:33,828 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_seq_ep_show [2019-11-07 00:20:33,829 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_seq_show [2019-11-07 00:20:33,829 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_dfs_open [2019-11-07 00:20:33,829 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_dfs_create [2019-11-07 00:20:33,829 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_dfs_delete [2019-11-07 00:20:33,829 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_alloc_dma_desc [2019-11-07 00:20:33,830 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_free_dma_desc [2019-11-07 00:20:33,830 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_free_dma_desc_chain [2019-11-07 00:20:33,830 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_finish_request [2019-11-07 00:20:33,830 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_alloc_request [2019-11-07 00:20:33,830 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_start_dma [2019-11-07 00:20:33,831 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_dma_advance [2019-11-07 00:20:33,831 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_abort_dma [2019-11-07 00:20:33,831 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_add_dma_desc [2019-11-07 00:20:33,831 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_setup_out_desc_list [2019-11-07 00:20:33,831 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_setup_in_desc_list [2019-11-07 00:20:33,831 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_queue [2019-11-07 00:20:33,832 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_queue_int [2019-11-07 00:20:33,832 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_ep_nuke [2019-11-07 00:20:33,832 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_ep_reset [2019-11-07 00:20:33,832 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_control_stall [2019-11-07 00:20:33,833 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_ep_halt_wedge [2019-11-07 00:20:33,833 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_set_ep0state [2019-11-07 00:20:33,833 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_disable_interrupts_and_pullup [2019-11-07 00:20:33,833 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_stop_activity [2019-11-07 00:20:33,833 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_ep0_testmode_complete [2019-11-07 00:20:33,833 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_ep0_dummy_complete [2019-11-07 00:20:33,834 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_ep0_respond [2019-11-07 00:20:33,834 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_ep0_respond_u16 [2019-11-07 00:20:33,834 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_ep0_respond_empty [2019-11-07 00:20:33,834 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_set_address [2019-11-07 00:20:33,835 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_device_request [2019-11-07 00:20:33,835 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_interface_request [2019-11-07 00:20:33,835 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_endpoint_request [2019-11-07 00:20:33,836 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_ep0out_requeue [2019-11-07 00:20:33,836 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_ep0_setup [2019-11-07 00:20:33,836 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_vbus_connected [2019-11-07 00:20:33,837 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_enable_vbus_detect [2019-11-07 00:20:33,837 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_vbus_disconnected [2019-11-07 00:20:33,837 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_udc_usbreset [2019-11-07 00:20:33,838 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_handle_in_ep [2019-11-07 00:20:33,838 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_handle_out_ep [2019-11-07 00:20:33,839 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_handle_state_changes [2019-11-07 00:20:33,839 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_irq_handler [2019-11-07 00:20:33,839 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_irq [2019-11-07 00:20:33,840 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_ep_enable [2019-11-07 00:20:33,840 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_ep_disable [2019-11-07 00:20:33,840 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_free_request [2019-11-07 00:20:33,840 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_queue_ext [2019-11-07 00:20:33,841 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_dequeue [2019-11-07 00:20:33,841 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_set_halt_wedge [2019-11-07 00:20:33,841 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_set_halt [2019-11-07 00:20:33,841 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_set_wedge [2019-11-07 00:20:33,841 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_fifo_status [2019-11-07 00:20:33,842 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_fifo_flush [2019-11-07 00:20:33,842 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_get_frame [2019-11-07 00:20:33,842 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_wakeup [2019-11-07 00:20:33,843 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_pullup [2019-11-07 00:20:33,843 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_udc_start [2019-11-07 00:20:33,843 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_udc_stop [2019-11-07 00:20:33,843 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_ep_init [2019-11-07 00:20:33,843 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_udc_init [2019-11-07 00:20:33,843 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_ep_remove [2019-11-07 00:20:33,843 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_remove [2019-11-07 00:20:33,844 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_request_irq [2019-11-07 00:20:33,844 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_probe [2019-11-07 00:20:33,844 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_driver_init [2019-11-07 00:20:33,844 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_driver_exit [2019-11-07 00:20:33,844 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_platform_probe_3 [2019-11-07 00:20:33,844 INFO L138 BoogieDeclarations]: Found implementation of procedure choose_interrupt_2 [2019-11-07 00:20:33,845 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_irq_2 [2019-11-07 00:20:33,845 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_file_operations_6 [2019-11-07 00:20:33,845 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_irq_2 [2019-11-07 00:20:33,845 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_check_1 [2019-11-07 00:20:33,846 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_platform_driver_init_3 [2019-11-07 00:20:33,846 INFO L138 BoogieDeclarations]: Found implementation of procedure choose_interrupt_1 [2019-11-07 00:20:33,846 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_check_2 [2019-11-07 00:20:33,846 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_irq_1 [2019-11-07 00:20:33,846 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2019-11-07 00:20:33,847 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_irq_1 [2019-11-07 00:20:33,847 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_usb_ep_ops_5 [2019-11-07 00:20:33,847 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_usb_gadget_ops_4 [2019-11-07 00:20:33,848 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_2 [2019-11-07 00:20:33,848 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-07 00:20:33,848 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2019-11-07 00:20:33,849 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2019-11-07 00:20:33,849 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_5 [2019-11-07 00:20:33,849 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_6 [2019-11-07 00:20:33,849 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_devm_request_threaded_irq_7 [2019-11-07 00:20:33,850 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_8 [2019-11-07 00:20:33,850 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_9 [2019-11-07 00:20:33,850 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_10 [2019-11-07 00:20:33,850 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_11 [2019-11-07 00:20:33,851 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_12 [2019-11-07 00:20:33,851 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_devm_request_threaded_irq_13 [2019-11-07 00:20:33,854 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___platform_driver_register_14 [2019-11-07 00:20:33,854 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_platform_driver_unregister_15 [2019-11-07 00:20:33,855 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2019-11-07 00:20:33,855 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int_negative [2019-11-07 00:20:33,855 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2019-11-07 00:20:33,856 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2019-11-07 00:20:33,856 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2019-11-07 00:20:33,863 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2019-11-07 00:20:33,864 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_i_mutex_of_inode [2019-11-07 00:20:33,864 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_i_mutex_of_inode [2019-11-07 00:20:33,864 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_i_mutex_of_inode [2019-11-07 00:20:33,864 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_i_mutex_of_inode [2019-11-07 00:20:33,864 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_i_mutex_of_inode [2019-11-07 00:20:33,865 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_i_mutex_of_inode [2019-11-07 00:20:33,865 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_i_mutex_of_inode [2019-11-07 00:20:33,865 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_i_mutex_of_inode [2019-11-07 00:20:33,865 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_trylock_device_i_mutex_of_inode [2019-11-07 00:20:33,865 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_for_reset_i_mutex_of_inode [2019-11-07 00:20:33,866 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_unlock_device_i_mutex_of_inode [2019-11-07 00:20:33,867 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_lock [2019-11-07 00:20:33,867 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_lock [2019-11-07 00:20:33,867 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock [2019-11-07 00:20:33,867 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_lock [2019-11-07 00:20:33,868 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_lock [2019-11-07 00:20:33,868 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_lock [2019-11-07 00:20:33,868 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock [2019-11-07 00:20:33,868 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_lock [2019-11-07 00:20:33,868 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_trylock_device_lock [2019-11-07 00:20:33,869 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_for_reset_lock [2019-11-07 00:20:33,869 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_unlock_device_lock [2019-11-07 00:20:33,869 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_mutex_of_device [2019-11-07 00:20:33,869 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_mutex_of_device [2019-11-07 00:20:33,869 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mutex_of_device [2019-11-07 00:20:33,870 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_mutex_of_device [2019-11-07 00:20:33,870 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2019-11-07 00:20:33,870 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_mutex_of_device [2019-11-07 00:20:33,870 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex_of_device [2019-11-07 00:20:33,870 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_mutex_of_device [2019-11-07 00:20:33,871 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_trylock_device_mutex_of_device [2019-11-07 00:20:33,871 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_for_reset_mutex_of_device [2019-11-07 00:20:33,871 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_unlock_device_mutex_of_device [2019-11-07 00:20:33,871 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-11-07 00:20:33,871 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_dev_dbg [2019-11-07 00:20:33,872 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2019-11-07 00:20:33,872 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_del_entry [2019-11-07 00:20:33,872 INFO L138 BoogieDeclarations]: Found implementation of procedure __platform_driver_register [2019-11-07 00:20:33,872 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2019-11-07 00:20:33,872 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2019-11-07 00:20:33,873 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock [2019-11-07 00:20:33,873 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2019-11-07 00:20:33,873 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock [2019-11-07 00:20:33,873 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irqrestore [2019-11-07 00:20:33,873 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_create_dir [2019-11-07 00:20:33,873 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_create_file [2019-11-07 00:20:33,874 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_remove [2019-11-07 00:20:33,874 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2019-11-07 00:20:33,874 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_ioremap_resource [2019-11-07 00:20:33,874 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_kmalloc [2019-11-07 00:20:33,874 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_request_threaded_irq [2019-11-07 00:20:33,875 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2019-11-07 00:20:33,875 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2019-11-07 00:20:33,875 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_pool_alloc [2019-11-07 00:20:33,875 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_pool_create [2019-11-07 00:20:33,875 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_pool_destroy [2019-11-07 00:20:33,875 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_pool_free [2019-11-07 00:20:33,876 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32be [2019-11-07 00:20:33,876 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32be [2019-11-07 00:20:33,876 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-11-07 00:20:33,876 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2019-11-07 00:20:33,876 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_trylock [2019-11-07 00:20:33,877 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2019-11-07 00:20:33,877 INFO L138 BoogieDeclarations]: Found implementation of procedure of_property_read_u32_index [2019-11-07 00:20:33,877 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_driver_unregister [2019-11-07 00:20:33,877 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_irq [2019-11-07 00:20:33,877 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_resource [2019-11-07 00:20:33,878 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_lseek [2019-11-07 00:20:33,878 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_printf [2019-11-07 00:20:33,878 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_puts [2019-11-07 00:20:33,878 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_read [2019-11-07 00:20:33,878 INFO L138 BoogieDeclarations]: Found implementation of procedure single_open [2019-11-07 00:20:33,958 INFO L138 BoogieDeclarations]: Found implementation of procedure single_release [2019-11-07 00:20:33,958 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_add_gadget_udc [2019-11-07 00:20:33,958 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_del_gadget_udc [2019-11-07 00:20:33,958 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_gadget_giveback_request [2019-11-07 00:20:33,959 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_gadget_map_request [2019-11-07 00:20:33,959 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_gadget_set_state [2019-11-07 00:20:33,959 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_gadget_unmap_request [2019-11-07 00:20:33,959 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_speed_string [2019-11-07 00:20:33,959 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_state_string [2019-11-07 00:20:33,959 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_fmt [2019-11-07 00:20:33,959 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-11-07 00:20:33,959 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-11-07 00:20:33,960 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-11-07 00:20:33,960 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-11-07 00:20:33,960 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-11-07 00:20:33,960 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-07 00:20:33,960 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-07 00:20:33,960 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2019-11-07 00:20:33,960 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_dev_dbg [2019-11-07 00:20:33,960 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2019-11-07 00:20:33,961 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2019-11-07 00:20:33,961 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2019-11-07 00:20:33,961 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-07 00:20:33,961 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2019-11-07 00:20:33,961 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2019-11-07 00:20:33,961 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-07 00:20:33,961 INFO L130 BoogieDeclarations]: Found specification of procedure __list_del_entry [2019-11-07 00:20:33,961 INFO L130 BoogieDeclarations]: Found specification of procedure list_del_init [2019-11-07 00:20:33,962 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2019-11-07 00:20:33,962 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-11-07 00:20:33,962 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-11-07 00:20:33,962 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_fmt [2019-11-07 00:20:33,962 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2019-11-07 00:20:33,962 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2019-11-07 00:20:33,962 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_trylock [2019-11-07 00:20:33,962 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_9 [2019-11-07 00:20:33,963 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2019-11-07 00:20:33,963 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_6 [2019-11-07 00:20:33,963 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_10 [2019-11-07 00:20:33,963 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_11 [2019-11-07 00:20:33,963 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-11-07 00:20:33,963 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-11-07 00:20:33,963 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-07 00:20:33,963 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-11-07 00:20:33,964 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-11-07 00:20:33,964 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-11-07 00:20:33,965 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-11-07 00:20:33,967 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-07 00:20:33,967 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-11-07 00:20:33,967 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-11-07 00:20:33,967 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2019-11-07 00:20:33,967 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2019-11-07 00:20:33,967 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-11-07 00:20:33,967 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2019-11-07 00:20:33,967 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ptr [2019-11-07 00:20:33,968 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2019-11-07 00:20:33,971 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2019-11-07 00:20:33,971 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2019-11-07 00:20:33,971 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_5 [2019-11-07 00:20:33,971 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_8 [2019-11-07 00:20:33,972 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_12 [2019-11-07 00:20:33,972 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_i_mutex_of_inode [2019-11-07 00:20:33,972 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_i_mutex_of_inode [2019-11-07 00:20:33,972 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock [2019-11-07 00:20:33,972 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock [2019-11-07 00:20:33,972 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mutex_of_device [2019-11-07 00:20:33,972 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_mutex_of_device [2019-11-07 00:20:33,972 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex_of_device [2019-11-07 00:20:33,973 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2019-11-07 00:20:33,973 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock [2019-11-07 00:20:33,973 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2019-11-07 00:20:33,973 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock [2019-11-07 00:20:33,973 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore [2019-11-07 00:20:33,973 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2019-11-07 00:20:33,973 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2019-11-07 00:20:33,974 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2019-11-07 00:20:33,974 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2019-11-07 00:20:33,974 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32be [2019-11-07 00:20:33,974 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32be [2019-11-07 00:20:33,975 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-11-07 00:20:33,975 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2019-11-07 00:20:33,975 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2019-11-07 00:20:33,975 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2019-11-07 00:20:33,975 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_platform_probe_3 [2019-11-07 00:20:33,975 INFO L130 BoogieDeclarations]: Found specification of procedure choose_interrupt_2 [2019-11-07 00:20:33,975 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_irq_2 [2019-11-07 00:20:33,975 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_file_operations_6 [2019-11-07 00:20:33,976 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_irq_2 [2019-11-07 00:20:33,976 INFO L130 BoogieDeclarations]: Found specification of procedure reg_check_1 [2019-11-07 00:20:33,976 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_platform_driver_init_3 [2019-11-07 00:20:33,976 INFO L130 BoogieDeclarations]: Found specification of procedure choose_interrupt_1 [2019-11-07 00:20:33,976 INFO L130 BoogieDeclarations]: Found specification of procedure reg_check_2 [2019-11-07 00:20:33,976 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_irq_1 [2019-11-07 00:20:33,976 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2019-11-07 00:20:33,976 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_irq_1 [2019-11-07 00:20:33,976 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_usb_ep_ops_5 [2019-11-07 00:20:33,977 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_usb_gadget_ops_4 [2019-11-07 00:20:33,977 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_2 [2019-11-07 00:20:33,977 INFO L130 BoogieDeclarations]: Found specification of procedure kobject_name [2019-11-07 00:20:33,977 INFO L130 BoogieDeclarations]: Found specification of procedure devm_request_threaded_irq [2019-11-07 00:20:33,977 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_devm_request_threaded_irq_7 [2019-11-07 00:20:33,978 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_devm_request_threaded_irq_13 [2019-11-07 00:20:33,978 INFO L130 BoogieDeclarations]: Found specification of procedure seq_read [2019-11-07 00:20:33,978 INFO L130 BoogieDeclarations]: Found specification of procedure seq_lseek [2019-11-07 00:20:33,978 INFO L130 BoogieDeclarations]: Found specification of procedure seq_puts [2019-11-07 00:20:33,978 INFO L130 BoogieDeclarations]: Found specification of procedure seq_printf [2019-11-07 00:20:33,979 INFO L130 BoogieDeclarations]: Found specification of procedure single_open [2019-11-07 00:20:33,979 INFO L130 BoogieDeclarations]: Found specification of procedure single_release [2019-11-07 00:20:33,979 INFO L130 BoogieDeclarations]: Found specification of procedure devm_kmalloc [2019-11-07 00:20:33,979 INFO L130 BoogieDeclarations]: Found specification of procedure devm_kzalloc [2019-11-07 00:20:33,979 INFO L130 BoogieDeclarations]: Found specification of procedure devm_ioremap_resource [2019-11-07 00:20:33,979 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2019-11-07 00:20:33,979 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2019-11-07 00:20:33,979 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2019-11-07 00:20:33,979 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2019-11-07 00:20:33,980 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2019-11-07 00:20:33,980 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_dir_in [2019-11-07 00:20:33,980 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-07 00:20:33,980 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_xfer_bulk [2019-11-07 00:20:33,980 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_xfer_control [2019-11-07 00:20:33,980 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_xfer_int [2019-11-07 00:20:33,980 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_xfer_isoc [2019-11-07 00:20:33,980 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_maxp [2019-11-07 00:20:33,981 INFO L130 BoogieDeclarations]: Found specification of procedure usb_speed_string [2019-11-07 00:20:33,981 INFO L130 BoogieDeclarations]: Found specification of procedure usb_state_string [2019-11-07 00:20:33,981 INFO L130 BoogieDeclarations]: Found specification of procedure usb_ep_set_maxpacket_limit [2019-11-07 00:20:33,981 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-07 00:20:33,981 INFO L130 BoogieDeclarations]: Found specification of procedure usb_add_gadget_udc [2019-11-07 00:20:33,981 INFO L130 BoogieDeclarations]: Found specification of procedure usb_del_gadget_udc [2019-11-07 00:20:33,981 INFO L130 BoogieDeclarations]: Found specification of procedure usb_gadget_map_request [2019-11-07 00:20:33,981 INFO L130 BoogieDeclarations]: Found specification of procedure usb_gadget_unmap_request [2019-11-07 00:20:33,981 INFO L130 BoogieDeclarations]: Found specification of procedure usb_gadget_set_state [2019-11-07 00:20:33,982 INFO L130 BoogieDeclarations]: Found specification of procedure usb_gadget_giveback_request [2019-11-07 00:20:33,982 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2019-11-07 00:20:33,982 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2019-11-07 00:20:33,982 INFO L130 BoogieDeclarations]: Found specification of procedure dma_pool_create [2019-11-07 00:20:33,982 INFO L130 BoogieDeclarations]: Found specification of procedure dma_pool_destroy [2019-11-07 00:20:33,982 INFO L130 BoogieDeclarations]: Found specification of procedure dma_pool_alloc [2019-11-07 00:20:33,982 INFO L130 BoogieDeclarations]: Found specification of procedure dma_pool_free [2019-11-07 00:20:33,982 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_create_file [2019-11-07 00:20:33,983 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_create_dir [2019-11-07 00:20:33,983 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_remove [2019-11-07 00:20:33,983 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_resource [2019-11-07 00:20:33,983 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_irq [2019-11-07 00:20:33,983 INFO L130 BoogieDeclarations]: Found specification of procedure __platform_driver_register [2019-11-07 00:20:33,983 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___platform_driver_register_14 [2019-11-07 00:20:33,983 INFO L130 BoogieDeclarations]: Found specification of procedure platform_driver_unregister [2019-11-07 00:20:33,983 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_platform_driver_unregister_15 [2019-11-07 00:20:33,983 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_drvdata [2019-11-07 00:20:33,984 INFO L130 BoogieDeclarations]: Found specification of procedure platform_set_drvdata [2019-11-07 00:20:33,984 INFO L130 BoogieDeclarations]: Found specification of procedure of_property_read_u32_index [2019-11-07 00:20:33,984 INFO L130 BoogieDeclarations]: Found specification of procedure gr_ep0state_string [2019-11-07 00:20:33,984 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-07 00:20:33,984 INFO L130 BoogieDeclarations]: Found specification of procedure gr_dbgprint_request [2019-11-07 00:20:33,984 INFO L130 BoogieDeclarations]: Found specification of procedure gr_dbgprint_devreq [2019-11-07 00:20:33,984 INFO L130 BoogieDeclarations]: Found specification of procedure gr_seq_ep_show [2019-11-07 00:20:33,984 INFO L130 BoogieDeclarations]: Found specification of procedure gr_seq_show [2019-11-07 00:20:33,985 INFO L130 BoogieDeclarations]: Found specification of procedure gr_dfs_open [2019-11-07 00:20:33,985 INFO L130 BoogieDeclarations]: Found specification of procedure gr_dfs_create [2019-11-07 00:20:33,985 INFO L130 BoogieDeclarations]: Found specification of procedure gr_dfs_delete [2019-11-07 00:20:33,985 INFO L130 BoogieDeclarations]: Found specification of procedure gr_alloc_dma_desc [2019-11-07 00:20:33,985 INFO L130 BoogieDeclarations]: Found specification of procedure gr_free_dma_desc [2019-11-07 00:20:33,985 INFO L130 BoogieDeclarations]: Found specification of procedure gr_free_dma_desc_chain [2019-11-07 00:20:33,985 INFO L130 BoogieDeclarations]: Found specification of procedure gr_ep0_setup [2019-11-07 00:20:33,985 INFO L130 BoogieDeclarations]: Found specification of procedure gr_finish_request [2019-11-07 00:20:33,985 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-11-07 00:20:33,986 INFO L130 BoogieDeclarations]: Found specification of procedure gr_alloc_request [2019-11-07 00:20:33,986 INFO L130 BoogieDeclarations]: Found specification of procedure gr_start_dma [2019-11-07 00:20:33,986 INFO L130 BoogieDeclarations]: Found specification of procedure gr_dma_advance [2019-11-07 00:20:33,986 INFO L130 BoogieDeclarations]: Found specification of procedure gr_abort_dma [2019-11-07 00:20:33,986 INFO L130 BoogieDeclarations]: Found specification of procedure gr_add_dma_desc [2019-11-07 00:20:33,986 INFO L130 BoogieDeclarations]: Found specification of procedure gr_setup_out_desc_list [2019-11-07 00:20:33,987 INFO L130 BoogieDeclarations]: Found specification of procedure gr_setup_in_desc_list [2019-11-07 00:20:33,987 INFO L130 BoogieDeclarations]: Found specification of procedure gr_queue [2019-11-07 00:20:33,987 INFO L130 BoogieDeclarations]: Found specification of procedure gr_queue_int [2019-11-07 00:20:33,987 INFO L130 BoogieDeclarations]: Found specification of procedure gr_ep_nuke [2019-11-07 00:20:33,987 INFO L130 BoogieDeclarations]: Found specification of procedure gr_ep_reset [2019-11-07 00:20:33,987 INFO L130 BoogieDeclarations]: Found specification of procedure gr_control_stall [2019-11-07 00:20:33,988 INFO L130 BoogieDeclarations]: Found specification of procedure gr_ep_halt_wedge [2019-11-07 00:20:33,989 INFO L130 BoogieDeclarations]: Found specification of procedure gr_set_ep0state [2019-11-07 00:20:33,989 INFO L130 BoogieDeclarations]: Found specification of procedure gr_disable_interrupts_and_pullup [2019-11-07 00:20:33,989 INFO L130 BoogieDeclarations]: Found specification of procedure gr_stop_activity [2019-11-07 00:20:33,989 INFO L130 BoogieDeclarations]: Found specification of procedure gr_ep0_testmode_complete [2019-11-07 00:20:33,991 INFO L130 BoogieDeclarations]: Found specification of procedure gr_ep0_dummy_complete [2019-11-07 00:20:33,991 INFO L130 BoogieDeclarations]: Found specification of procedure gr_ep0_respond [2019-11-07 00:20:33,991 INFO L130 BoogieDeclarations]: Found specification of procedure gr_ep0_respond_u16 [2019-11-07 00:20:33,991 INFO L130 BoogieDeclarations]: Found specification of procedure gr_ep0_respond_empty [2019-11-07 00:20:33,991 INFO L130 BoogieDeclarations]: Found specification of procedure gr_set_address [2019-11-07 00:20:33,992 INFO L130 BoogieDeclarations]: Found specification of procedure gr_device_request [2019-11-07 00:20:33,992 INFO L130 BoogieDeclarations]: Found specification of procedure gr_interface_request [2019-11-07 00:20:33,992 INFO L130 BoogieDeclarations]: Found specification of procedure gr_endpoint_request [2019-11-07 00:20:33,992 INFO L130 BoogieDeclarations]: Found specification of procedure gr_ep0out_requeue [2019-11-07 00:20:33,992 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2019-11-07 00:20:33,992 INFO L130 BoogieDeclarations]: Found specification of procedure gr_vbus_connected [2019-11-07 00:20:33,992 INFO L130 BoogieDeclarations]: Found specification of procedure gr_enable_vbus_detect [2019-11-07 00:20:33,992 INFO L130 BoogieDeclarations]: Found specification of procedure gr_vbus_disconnected [2019-11-07 00:20:33,992 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2019-11-07 00:20:33,993 INFO L130 BoogieDeclarations]: Found specification of procedure gr_udc_usbreset [2019-11-07 00:20:33,993 INFO L130 BoogieDeclarations]: Found specification of procedure gr_handle_in_ep [2019-11-07 00:20:33,993 INFO L130 BoogieDeclarations]: Found specification of procedure gr_handle_out_ep [2019-11-07 00:20:33,993 INFO L130 BoogieDeclarations]: Found specification of procedure gr_handle_state_changes [2019-11-07 00:20:33,993 INFO L130 BoogieDeclarations]: Found specification of procedure gr_irq_handler [2019-11-07 00:20:33,993 INFO L130 BoogieDeclarations]: Found specification of procedure gr_irq [2019-11-07 00:20:33,993 INFO L130 BoogieDeclarations]: Found specification of procedure gr_ep_enable [2019-11-07 00:20:33,994 INFO L130 BoogieDeclarations]: Found specification of procedure gr_ep_disable [2019-11-07 00:20:33,994 INFO L130 BoogieDeclarations]: Found specification of procedure gr_free_request [2019-11-07 00:20:33,994 INFO L130 BoogieDeclarations]: Found specification of procedure gr_queue_ext [2019-11-07 00:20:33,994 INFO L130 BoogieDeclarations]: Found specification of procedure gr_dequeue [2019-11-07 00:20:33,994 INFO L130 BoogieDeclarations]: Found specification of procedure gr_set_halt_wedge [2019-11-07 00:20:33,994 INFO L130 BoogieDeclarations]: Found specification of procedure gr_set_halt [2019-11-07 00:20:33,994 INFO L130 BoogieDeclarations]: Found specification of procedure gr_set_wedge [2019-11-07 00:20:33,994 INFO L130 BoogieDeclarations]: Found specification of procedure gr_fifo_status [2019-11-07 00:20:33,995 INFO L130 BoogieDeclarations]: Found specification of procedure gr_fifo_flush [2019-11-07 00:20:33,995 INFO L130 BoogieDeclarations]: Found specification of procedure gr_get_frame [2019-11-07 00:20:33,995 INFO L130 BoogieDeclarations]: Found specification of procedure gr_wakeup [2019-11-07 00:20:33,995 INFO L130 BoogieDeclarations]: Found specification of procedure gr_pullup [2019-11-07 00:20:33,995 INFO L130 BoogieDeclarations]: Found specification of procedure gr_udc_start [2019-11-07 00:20:33,995 INFO L130 BoogieDeclarations]: Found specification of procedure gr_udc_stop [2019-11-07 00:20:33,995 INFO L130 BoogieDeclarations]: Found specification of procedure gr_ep_init [2019-11-07 00:20:33,996 INFO L130 BoogieDeclarations]: Found specification of procedure gr_udc_init [2019-11-07 00:20:33,996 INFO L130 BoogieDeclarations]: Found specification of procedure gr_ep_remove [2019-11-07 00:20:33,996 INFO L130 BoogieDeclarations]: Found specification of procedure gr_remove [2019-11-07 00:20:33,996 INFO L130 BoogieDeclarations]: Found specification of procedure gr_request_irq [2019-11-07 00:20:33,996 INFO L130 BoogieDeclarations]: Found specification of procedure gr_probe [2019-11-07 00:20:33,996 INFO L130 BoogieDeclarations]: Found specification of procedure gr_driver_init [2019-11-07 00:20:33,996 INFO L130 BoogieDeclarations]: Found specification of procedure gr_driver_exit [2019-11-07 00:20:33,997 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-11-07 00:20:33,997 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-11-07 00:20:33,997 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2019-11-07 00:20:33,997 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-07 00:20:33,997 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2019-11-07 00:20:33,997 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int_negative [2019-11-07 00:20:33,997 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2019-11-07 00:20:33,997 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2019-11-07 00:20:33,998 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_i_mutex_of_inode [2019-11-07 00:20:33,998 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_i_mutex_of_inode [2019-11-07 00:20:33,998 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_i_mutex_of_inode [2019-11-07 00:20:33,998 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_i_mutex_of_inode [2019-11-07 00:20:33,998 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_i_mutex_of_inode [2019-11-07 00:20:33,998 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_i_mutex_of_inode [2019-11-07 00:20:33,998 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_trylock_device_i_mutex_of_inode [2019-11-07 00:20:33,998 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_for_reset_i_mutex_of_inode [2019-11-07 00:20:33,999 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_unlock_device_i_mutex_of_inode [2019-11-07 00:20:33,999 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_lock [2019-11-07 00:20:33,999 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_lock [2019-11-07 00:20:33,999 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_lock [2019-11-07 00:20:33,999 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_lock [2019-11-07 00:20:33,999 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_lock [2019-11-07 00:20:33,999 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_lock [2019-11-07 00:20:33,999 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_trylock_device_lock [2019-11-07 00:20:34,000 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_for_reset_lock [2019-11-07 00:20:34,000 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_unlock_device_lock [2019-11-07 00:20:34,000 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_mutex_of_device [2019-11-07 00:20:34,000 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_mutex_of_device [2019-11-07 00:20:34,000 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2019-11-07 00:20:34,000 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_mutex_of_device [2019-11-07 00:20:34,001 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_mutex_of_device [2019-11-07 00:20:34,001 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_trylock_device_mutex_of_device [2019-11-07 00:20:34,001 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_for_reset_mutex_of_device [2019-11-07 00:20:34,001 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_unlock_device_mutex_of_device [2019-11-07 00:20:34,001 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-11-07 00:20:34,001 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2019-11-07 00:20:34,001 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2019-11-07 00:20:34,001 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-11-07 00:20:34,001 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-07 00:20:34,002 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-07 00:20:34,002 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-11-07 00:20:34,002 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-07 00:20:34,002 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2019-11-07 00:20:34,002 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2019-11-07 00:20:34,002 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-11-07 00:20:34,002 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-11-07 00:20:35,678 INFO L688 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2019-11-07 00:20:51,171 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-07 00:20:51,171 INFO L284 CfgBuilder]: Removed 0 assume(true) statements. [2019-11-07 00:20:51,174 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 12:20:51 BoogieIcfgContainer [2019-11-07 00:20:51,174 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-07 00:20:51,175 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-07 00:20:51,175 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-07 00:20:51,179 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-07 00:20:51,179 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 12:20:30" (1/3) ... [2019-11-07 00:20:51,180 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ce6b466 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 12:20:51, skipping insertion in model container [2019-11-07 00:20:51,181 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:20:33" (2/3) ... [2019-11-07 00:20:51,181 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ce6b466 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 12:20:51, skipping insertion in model container [2019-11-07 00:20:51,181 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 12:20:51" (3/3) ... [2019-11-07 00:20:51,184 INFO L109 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-32_7a-drivers--usb--gadget--udc--gr_udc.ko-entry_point.cil.out.i [2019-11-07 00:20:51,194 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-07 00:20:51,205 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-07 00:20:51,216 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-07 00:20:51,254 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-07 00:20:51,254 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-07 00:20:51,254 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-07 00:20:51,254 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-07 00:20:51,255 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-07 00:20:51,255 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-07 00:20:51,255 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-07 00:20:51,255 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-07 00:20:51,321 INFO L276 IsEmpty]: Start isEmpty. Operand 2000 states. [2019-11-07 00:20:51,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2019-11-07 00:20:51,356 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 00:20:51,357 INFO L410 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 00:20:51,361 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 00:20:51,368 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 00:20:51,369 INFO L82 PathProgramCache]: Analyzing trace with hash -1652737609, now seen corresponding path program 1 times [2019-11-07 00:20:51,379 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 00:20:51,380 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [15991052] [2019-11-07 00:20:51,380 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 00:20:52,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 00:20:52,856 INFO L134 CoverageAnalysis]: Checked inductivity of 237 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 237 trivial. 0 not checked. [2019-11-07 00:20:52,856 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [15991052] [2019-11-07 00:20:52,858 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 00:20:52,858 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-07 00:20:52,859 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [276225951] [2019-11-07 00:20:52,864 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-07 00:20:52,871 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 00:20:52,886 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-07 00:20:52,886 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-07 00:20:52,889 INFO L87 Difference]: Start difference. First operand 2000 states. Second operand 3 states. [2019-11-07 00:20:56,275 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 00:20:56,275 INFO L93 Difference]: Finished difference Result 5185 states and 7089 transitions. [2019-11-07 00:20:56,276 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-07 00:20:56,277 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 151 [2019-11-07 00:20:56,279 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 00:20:56,341 INFO L225 Difference]: With dead ends: 5185 [2019-11-07 00:20:56,341 INFO L226 Difference]: Without dead ends: 3411 [2019-11-07 00:20:56,357 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-07 00:20:56,384 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3411 states. [2019-11-07 00:20:56,645 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3411 to 3411. [2019-11-07 00:20:56,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3411 states. [2019-11-07 00:20:56,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3411 states to 3411 states and 4651 transitions. [2019-11-07 00:20:56,679 INFO L78 Accepts]: Start accepts. Automaton has 3411 states and 4651 transitions. Word has length 151 [2019-11-07 00:20:56,682 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 00:20:56,682 INFO L462 AbstractCegarLoop]: Abstraction has 3411 states and 4651 transitions. [2019-11-07 00:20:56,682 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-07 00:20:56,682 INFO L276 IsEmpty]: Start isEmpty. Operand 3411 states and 4651 transitions. [2019-11-07 00:20:56,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2019-11-07 00:20:56,697 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 00:20:56,697 INFO L410 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 00:20:56,697 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 00:20:56,698 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 00:20:56,698 INFO L82 PathProgramCache]: Analyzing trace with hash 1079141844, now seen corresponding path program 1 times [2019-11-07 00:20:56,698 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 00:20:56,698 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2126306216] [2019-11-07 00:20:56,699 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 00:20:57,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 00:20:57,959 INFO L134 CoverageAnalysis]: Checked inductivity of 269 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 269 trivial. 0 not checked. [2019-11-07 00:20:57,960 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2126306216] [2019-11-07 00:20:57,960 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 00:20:57,960 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-07 00:20:57,961 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [486399532] [2019-11-07 00:20:57,964 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-07 00:20:57,964 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 00:20:57,965 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-07 00:20:57,965 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-07 00:20:57,966 INFO L87 Difference]: Start difference. First operand 3411 states and 4651 transitions. Second operand 3 states. [2019-11-07 00:20:58,068 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 00:20:58,069 INFO L93 Difference]: Finished difference Result 3413 states and 4652 transitions. [2019-11-07 00:20:58,069 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-07 00:20:58,069 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 171 [2019-11-07 00:20:58,071 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 00:20:58,108 INFO L225 Difference]: With dead ends: 3413 [2019-11-07 00:20:58,108 INFO L226 Difference]: Without dead ends: 3410 [2019-11-07 00:20:58,116 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-07 00:20:58,124 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3410 states. [2019-11-07 00:20:58,275 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3410 to 3410. [2019-11-07 00:20:58,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3410 states. [2019-11-07 00:20:58,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3410 states to 3410 states and 4649 transitions. [2019-11-07 00:20:58,297 INFO L78 Accepts]: Start accepts. Automaton has 3410 states and 4649 transitions. Word has length 171 [2019-11-07 00:20:58,297 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 00:20:58,298 INFO L462 AbstractCegarLoop]: Abstraction has 3410 states and 4649 transitions. [2019-11-07 00:20:58,298 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-07 00:20:58,298 INFO L276 IsEmpty]: Start isEmpty. Operand 3410 states and 4649 transitions. [2019-11-07 00:20:58,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2019-11-07 00:20:58,304 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 00:20:58,304 INFO L410 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 00:20:58,304 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 00:20:58,304 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 00:20:58,305 INFO L82 PathProgramCache]: Analyzing trace with hash -907280377, now seen corresponding path program 1 times [2019-11-07 00:20:58,305 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 00:20:58,305 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1569808566] [2019-11-07 00:20:58,305 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 00:20:58,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 00:20:58,836 INFO L134 CoverageAnalysis]: Checked inductivity of 269 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 269 trivial. 0 not checked. [2019-11-07 00:20:58,836 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1569808566] [2019-11-07 00:20:58,837 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 00:20:58,837 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-07 00:20:58,837 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1685270509] [2019-11-07 00:20:58,838 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-07 00:20:58,838 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 00:20:58,839 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-07 00:20:58,839 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-07 00:20:58,840 INFO L87 Difference]: Start difference. First operand 3410 states and 4649 transitions. Second operand 3 states. [2019-11-07 00:20:58,951 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 00:20:58,951 INFO L93 Difference]: Finished difference Result 3412 states and 4650 transitions. [2019-11-07 00:20:58,951 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-07 00:20:58,952 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 172 [2019-11-07 00:20:58,952 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 00:20:58,977 INFO L225 Difference]: With dead ends: 3412 [2019-11-07 00:20:58,977 INFO L226 Difference]: Without dead ends: 3409 [2019-11-07 00:20:58,980 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-07 00:20:58,987 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3409 states. [2019-11-07 00:20:59,149 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3409 to 3409. [2019-11-07 00:20:59,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3409 states. [2019-11-07 00:20:59,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3409 states to 3409 states and 4647 transitions. [2019-11-07 00:20:59,178 INFO L78 Accepts]: Start accepts. Automaton has 3409 states and 4647 transitions. Word has length 172 [2019-11-07 00:20:59,179 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 00:20:59,179 INFO L462 AbstractCegarLoop]: Abstraction has 3409 states and 4647 transitions. [2019-11-07 00:20:59,179 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-07 00:20:59,180 INFO L276 IsEmpty]: Start isEmpty. Operand 3409 states and 4647 transitions. [2019-11-07 00:20:59,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2019-11-07 00:20:59,184 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 00:20:59,185 INFO L410 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 00:20:59,185 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 00:20:59,185 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 00:20:59,185 INFO L82 PathProgramCache]: Analyzing trace with hash 1938145079, now seen corresponding path program 1 times [2019-11-07 00:20:59,186 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 00:20:59,187 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [814652401] [2019-11-07 00:20:59,187 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 00:20:59,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 00:20:59,901 INFO L134 CoverageAnalysis]: Checked inductivity of 269 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 269 trivial. 0 not checked. [2019-11-07 00:20:59,902 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [814652401] [2019-11-07 00:20:59,902 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 00:20:59,902 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-07 00:20:59,902 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1731642414] [2019-11-07 00:20:59,903 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-07 00:20:59,903 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 00:20:59,904 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-07 00:20:59,904 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-07 00:20:59,904 INFO L87 Difference]: Start difference. First operand 3409 states and 4647 transitions. Second operand 3 states. [2019-11-07 00:21:00,004 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 00:21:00,005 INFO L93 Difference]: Finished difference Result 3409 states and 4647 transitions. [2019-11-07 00:21:00,005 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-07 00:21:00,005 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 173 [2019-11-07 00:21:00,006 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 00:21:00,006 INFO L225 Difference]: With dead ends: 3409 [2019-11-07 00:21:00,006 INFO L226 Difference]: Without dead ends: 0 [2019-11-07 00:21:00,019 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-07 00:21:00,019 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-07 00:21:00,020 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-07 00:21:00,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-07 00:21:00,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-07 00:21:00,021 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 173 [2019-11-07 00:21:00,022 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 00:21:00,022 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-07 00:21:00,022 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-07 00:21:00,022 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-07 00:21:00,022 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-07 00:21:00,028 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.