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-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--usb--class--cdc-wdm.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f4eb214f-m [2019-10-13 22:48:58,376 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-13 22:48:58,379 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-13 22:48:58,398 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-13 22:48:58,399 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-13 22:48:58,401 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-13 22:48:58,403 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-13 22:48:58,417 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-13 22:48:58,419 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-13 22:48:58,421 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-13 22:48:58,424 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-13 22:48:58,425 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-13 22:48:58,426 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-13 22:48:58,429 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-13 22:48:58,434 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-13 22:48:58,436 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-13 22:48:58,438 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-13 22:48:58,440 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-13 22:48:58,441 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-13 22:48:58,448 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-13 22:48:58,454 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-13 22:48:58,457 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-13 22:48:58,461 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-13 22:48:58,462 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-13 22:48:58,465 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-13 22:48:58,466 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-13 22:48:58,466 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-13 22:48:58,468 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-13 22:48:58,469 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-13 22:48:58,470 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-13 22:48:58,471 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-13 22:48:58,473 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-13 22:48:58,474 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-13 22:48:58,475 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-13 22:48:58,476 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-13 22:48:58,477 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-13 22:48:58,477 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-13 22:48:58,478 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-13 22:48:58,478 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-13 22:48:58,479 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-13 22:48:58,480 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-13 22:48:58,481 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-13 22:48:58,503 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-13 22:48:58,504 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-13 22:48:58,508 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-13 22:48:58,508 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-13 22:48:58,508 INFO L138 SettingsManager]: * Use SBE=true [2019-10-13 22:48:58,509 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-13 22:48:58,509 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-13 22:48:58,509 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-13 22:48:58,509 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-13 22:48:58,509 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-13 22:48:58,511 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-13 22:48:58,511 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-13 22:48:58,511 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-13 22:48:58,511 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-13 22:48:58,512 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-13 22:48:58,512 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-13 22:48:58,512 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-13 22:48:58,512 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-13 22:48:58,512 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-13 22:48:58,513 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-13 22:48:58,513 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-13 22:48:58,513 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 22:48:58,513 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-13 22:48:58,514 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-13 22:48:58,514 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-13 22:48:58,514 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-13 22:48:58,514 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-13 22:48:58,514 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-13 22:48:58,514 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 [2019-10-13 22:48:58,829 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-13 22:48:58,849 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-13 22:48:58,853 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-13 22:48:58,855 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-13 22:48:58,855 INFO L275 PluginConnector]: CDTParser initialized [2019-10-13 22:48:58,856 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--usb--class--cdc-wdm.ko-entry_point.cil.out.i [2019-10-13 22:48:58,931 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/43fcf548b/f7d70c61949b4bd8a2d10a0e64975b55/FLAG4118b0666 [2019-10-13 22:48:59,796 INFO L306 CDTParser]: Found 1 translation units. [2019-10-13 22:48:59,797 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--usb--class--cdc-wdm.ko-entry_point.cil.out.i [2019-10-13 22:48:59,842 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/43fcf548b/f7d70c61949b4bd8a2d10a0e64975b55/FLAG4118b0666 [2019-10-13 22:49:00,230 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/43fcf548b/f7d70c61949b4bd8a2d10a0e64975b55 [2019-10-13 22:49:00,241 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-13 22:49:00,243 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-13 22:49:00,244 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-13 22:49:00,244 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-13 22:49:00,248 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-13 22:49:00,249 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 10:49:00" (1/1) ... [2019-10-13 22:49:00,252 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1aef2232 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:49:00, skipping insertion in model container [2019-10-13 22:49:00,252 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 10:49:00" (1/1) ... [2019-10-13 22:49:00,258 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-13 22:49:00,380 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-13 22:49:02,858 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 22:49:02,919 INFO L188 MainTranslator]: Completed pre-run [2019-10-13 22:49:03,194 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 22:49:03,549 INFO L192 MainTranslator]: Completed translation [2019-10-13 22:49:03,550 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:49:03 WrapperNode [2019-10-13 22:49:03,551 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-13 22:49:03,552 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-13 22:49:03,552 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-13 22:49:03,552 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-13 22:49:03,572 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:49:03" (1/1) ... [2019-10-13 22:49:03,572 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:49:03" (1/1) ... [2019-10-13 22:49:03,704 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:49:03" (1/1) ... [2019-10-13 22:49:03,705 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:49:03" (1/1) ... [2019-10-13 22:49:03,831 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:49:03" (1/1) ... [2019-10-13 22:49:03,851 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:49:03" (1/1) ... [2019-10-13 22:49:03,899 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:49:03" (1/1) ... [2019-10-13 22:49:03,925 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-13 22:49:03,928 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-13 22:49:03,929 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-13 22:49:03,929 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-13 22:49:03,930 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:49:03" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 22:49:04,017 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-13 22:49:04,017 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-13 22:49:04,018 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~VOID [2019-10-13 22:49:04,018 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~int [2019-10-13 22:49:04,018 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2019-10-13 22:49:04,020 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2019-10-13 22:49:04,021 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2019-10-13 22:49:04,021 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2019-10-13 22:49:04,021 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2019-10-13 22:49:04,022 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2019-10-13 22:49:04,022 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-10-13 22:49:04,024 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-10-13 22:49:04,024 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2019-10-13 22:49:04,024 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2019-10-13 22:49:04,025 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2019-10-13 22:49:04,025 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ptr [2019-10-13 22:49:04,029 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2019-10-13 22:49:04,029 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2019-10-13 22:49:04,029 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2019-10-13 22:49:04,030 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2019-10-13 22:49:04,030 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2019-10-13 22:49:04,030 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2019-10-13 22:49:04,030 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2019-10-13 22:49:04,030 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2019-10-13 22:49:04,031 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2019-10-13 22:49:04,031 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work [2019-10-13 22:49:04,031 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2019-10-13 22:49:04,031 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2019-10-13 22:49:04,031 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2019-10-13 22:49:04,031 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2019-10-13 22:49:04,031 INFO L138 BoogieDeclarations]: Found implementation of procedure kobject_name [2019-10-13 22:49:04,032 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2019-10-13 22:49:04,032 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2019-10-13 22:49:04,032 INFO L138 BoogieDeclarations]: Found implementation of procedure iminor [2019-10-13 22:49:04,032 INFO L138 BoogieDeclarations]: Found implementation of procedure poll_wait [2019-10-13 22:49:04,033 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_dir_in [2019-10-13 22:49:04,033 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_xfer_int [2019-10-13 22:49:04,033 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_is_int_in [2019-10-13 22:49:04,033 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_maxp [2019-10-13 22:49:04,033 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2019-10-13 22:49:04,033 INFO L138 BoogieDeclarations]: Found implementation of procedure pm_runtime_mark_last_busy [2019-10-13 22:49:04,033 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2019-10-13 22:49:04,034 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_mark_last_busy [2019-10-13 22:49:04,034 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_control_urb [2019-10-13 22:49:04,034 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_int_urb [2019-10-13 22:49:04,034 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2019-10-13 22:49:04,034 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_translate_errors [2019-10-13 22:49:04,034 INFO L138 BoogieDeclarations]: Found implementation of procedure wdm_find_device [2019-10-13 22:49:04,035 INFO L138 BoogieDeclarations]: Found implementation of procedure wdm_find_device_by_minor [2019-10-13 22:49:04,035 INFO L138 BoogieDeclarations]: Found implementation of procedure wdm_out_callback [2019-10-13 22:49:04,035 INFO L138 BoogieDeclarations]: Found implementation of procedure wdm_in_callback [2019-10-13 22:49:04,035 INFO L138 BoogieDeclarations]: Found implementation of procedure wdm_int_callback [2019-10-13 22:49:04,035 INFO L138 BoogieDeclarations]: Found implementation of procedure kill_urbs [2019-10-13 22:49:04,035 INFO L138 BoogieDeclarations]: Found implementation of procedure free_urbs [2019-10-13 22:49:04,036 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-13 22:49:04,036 INFO L138 BoogieDeclarations]: Found implementation of procedure wdm_write [2019-10-13 22:49:04,036 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_wdm_read_flag [2019-10-13 22:49:04,036 INFO L138 BoogieDeclarations]: Found implementation of procedure wdm_read [2019-10-13 22:49:04,036 INFO L138 BoogieDeclarations]: Found implementation of procedure wdm_flush [2019-10-13 22:49:04,037 INFO L138 BoogieDeclarations]: Found implementation of procedure wdm_poll [2019-10-13 22:49:04,037 INFO L138 BoogieDeclarations]: Found implementation of procedure wdm_open [2019-10-13 22:49:04,037 INFO L138 BoogieDeclarations]: Found implementation of procedure wdm_release [2019-10-13 22:49:04,037 INFO L138 BoogieDeclarations]: Found implementation of procedure wdm_ioctl [2019-10-13 22:49:04,037 INFO L138 BoogieDeclarations]: Found implementation of procedure wdm_rxwork [2019-10-13 22:49:04,038 INFO L138 BoogieDeclarations]: Found implementation of procedure wdm_create [2019-10-13 22:49:04,038 INFO L138 BoogieDeclarations]: Found implementation of procedure wdm_manage_power [2019-10-13 22:49:04,038 INFO L138 BoogieDeclarations]: Found implementation of procedure wdm_probe [2019-10-13 22:49:04,038 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_cdc_wdm_register [2019-10-13 22:49:04,038 INFO L138 BoogieDeclarations]: Found implementation of procedure wdm_disconnect [2019-10-13 22:49:04,038 INFO L138 BoogieDeclarations]: Found implementation of procedure wdm_suspend [2019-10-13 22:49:04,038 INFO L138 BoogieDeclarations]: Found implementation of procedure recover_from_urb_loss [2019-10-13 22:49:04,039 INFO L138 BoogieDeclarations]: Found implementation of procedure wdm_resume [2019-10-13 22:49:04,039 INFO L138 BoogieDeclarations]: Found implementation of procedure wdm_pre_reset [2019-10-13 22:49:04,040 INFO L138 BoogieDeclarations]: Found implementation of procedure wdm_post_reset [2019-10-13 22:49:04,040 INFO L138 BoogieDeclarations]: Found implementation of procedure wdm_driver_init [2019-10-13 22:49:04,040 INFO L138 BoogieDeclarations]: Found implementation of procedure wdm_driver_exit [2019-10-13 22:49:04,040 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_all_1 [2019-10-13 22:49:04,041 INFO L138 BoogieDeclarations]: Found implementation of procedure invoke_work_1 [2019-10-13 22:49:04,041 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_driver_2 [2019-10-13 22:49:04,041 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_file_operations_3 [2019-10-13 22:49:04,041 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_work_1 [2019-10-13 22:49:04,042 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_work_1 [2019-10-13 22:49:04,042 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_1 [2019-10-13 22:49:04,042 INFO L138 BoogieDeclarations]: Found implementation of procedure work_init_1 [2019-10-13 22:49:04,042 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-13 22:49:04,042 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2019-10-13 22:49:04,043 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_queue_work_on_5 [2019-10-13 22:49:04,043 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_queue_delayed_work_on_6 [2019-10-13 22:49:04,043 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_queue_work_on_7 [2019-10-13 22:49:04,044 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_flush_workqueue_8 [2019-10-13 22:49:04,044 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_queue_delayed_work_on_9 [2019-10-13 22:49:04,044 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_10 [2019-10-13 22:49:04,044 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_11 [2019-10-13 22:49:04,045 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_12 [2019-10-13 22:49:04,045 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_13 [2019-10-13 22:49:04,045 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_14 [2019-10-13 22:49:04,045 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_15 [2019-10-13 22:49:04,045 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_16 [2019-10-13 22:49:04,045 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_17 [2019-10-13 22:49:04,045 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_18 [2019-10-13 22:49:04,046 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_19 [2019-10-13 22:49:04,046 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_20 [2019-10-13 22:49:04,046 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_21 [2019-10-13 22:49:04,046 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_22 [2019-10-13 22:49:04,046 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_23 [2019-10-13 22:49:04,046 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_24 [2019-10-13 22:49:04,046 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_25 [2019-10-13 22:49:04,047 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_26 [2019-10-13 22:49:04,047 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_27 [2019-10-13 22:49:04,047 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_28 [2019-10-13 22:49:04,047 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_29 [2019-10-13 22:49:04,047 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_30 [2019-10-13 22:49:04,047 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_31 [2019-10-13 22:49:04,047 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_32 [2019-10-13 22:49:04,048 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_cancel_work_sync_33 [2019-10-13 22:49:04,048 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_34 [2019-10-13 22:49:04,048 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_35 [2019-10-13 22:49:04,048 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_36 [2019-10-13 22:49:04,049 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_37 [2019-10-13 22:49:04,049 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_38 [2019-10-13 22:49:04,049 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_cancel_work_sync_39 [2019-10-13 22:49:04,049 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_40 [2019-10-13 22:49:04,049 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_41 [2019-10-13 22:49:04,050 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_42 [2019-10-13 22:49:04,050 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_43 [2019-10-13 22:49:04,051 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_cancel_work_sync_44 [2019-10-13 22:49:04,051 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_45 [2019-10-13 22:49:04,051 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_46 [2019-10-13 22:49:04,051 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_register_driver_47 [2019-10-13 22:49:04,051 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_deregister_48 [2019-10-13 22:49:04,051 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2019-10-13 22:49:04,052 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int_negative [2019-10-13 22:49:04,052 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2019-10-13 22:49:04,053 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2019-10-13 22:49:04,056 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2019-10-13 22:49:04,056 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2019-10-13 22:49:04,056 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_i_mutex_of_inode [2019-10-13 22:49:04,056 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_i_mutex_of_inode [2019-10-13 22:49:04,057 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_i_mutex_of_inode [2019-10-13 22:49:04,057 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_i_mutex_of_inode [2019-10-13 22:49:04,057 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_i_mutex_of_inode [2019-10-13 22:49:04,057 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_i_mutex_of_inode [2019-10-13 22:49:04,058 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_i_mutex_of_inode [2019-10-13 22:49:04,058 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_i_mutex_of_inode [2019-10-13 22:49:04,065 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_trylock_device_i_mutex_of_inode [2019-10-13 22:49:04,066 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_for_reset_i_mutex_of_inode [2019-10-13 22:49:04,066 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_unlock_device_i_mutex_of_inode [2019-10-13 22:49:04,067 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_lock [2019-10-13 22:49:04,067 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_lock [2019-10-13 22:49:04,067 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock [2019-10-13 22:49:04,067 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_lock [2019-10-13 22:49:04,067 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_lock [2019-10-13 22:49:04,067 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_lock [2019-10-13 22:49:04,067 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock [2019-10-13 22:49:04,068 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_lock [2019-10-13 22:49:04,068 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_trylock_device_lock [2019-10-13 22:49:04,068 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_for_reset_lock [2019-10-13 22:49:04,068 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_unlock_device_lock [2019-10-13 22:49:04,068 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_mutex_of_device [2019-10-13 22:49:04,068 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_mutex_of_device [2019-10-13 22:49:04,068 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mutex_of_device [2019-10-13 22:49:04,069 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_mutex_of_device [2019-10-13 22:49:04,069 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2019-10-13 22:49:04,069 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_mutex_of_device [2019-10-13 22:49:04,069 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex_of_device [2019-10-13 22:49:04,069 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_mutex_of_device [2019-10-13 22:49:04,069 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_trylock_device_mutex_of_device [2019-10-13 22:49:04,069 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_for_reset_mutex_of_device [2019-10-13 22:49:04,069 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_unlock_device_mutex_of_device [2019-10-13 22:49:04,070 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_rlock_of_wdm_device [2019-10-13 22:49:04,070 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_rlock_of_wdm_device [2019-10-13 22:49:04,070 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_rlock_of_wdm_device [2019-10-13 22:49:04,070 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_rlock_of_wdm_device [2019-10-13 22:49:04,070 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_rlock_of_wdm_device [2019-10-13 22:49:04,070 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_rlock_of_wdm_device [2019-10-13 22:49:04,070 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_rlock_of_wdm_device [2019-10-13 22:49:04,070 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_rlock_of_wdm_device [2019-10-13 22:49:04,071 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_trylock_device_rlock_of_wdm_device [2019-10-13 22:49:04,071 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_for_reset_rlock_of_wdm_device [2019-10-13 22:49:04,071 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_unlock_device_rlock_of_wdm_device [2019-10-13 22:49:04,071 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_wdm_mutex [2019-10-13 22:49:04,071 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_wdm_mutex [2019-10-13 22:49:04,071 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_wdm_mutex [2019-10-13 22:49:04,071 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_wdm_mutex [2019-10-13 22:49:04,072 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_wdm_mutex [2019-10-13 22:49:04,072 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_wdm_mutex [2019-10-13 22:49:04,072 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_wdm_mutex [2019-10-13 22:49:04,072 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_wdm_mutex [2019-10-13 22:49:04,072 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_trylock_device_wdm_mutex [2019-10-13 22:49:04,073 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_for_reset_wdm_mutex [2019-10-13 22:49:04,073 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_unlock_device_wdm_mutex [2019-10-13 22:49:04,073 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_wlock_of_wdm_device [2019-10-13 22:49:04,073 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_wlock_of_wdm_device [2019-10-13 22:49:04,073 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_wlock_of_wdm_device [2019-10-13 22:49:04,073 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_wlock_of_wdm_device [2019-10-13 22:49:04,073 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_wlock_of_wdm_device [2019-10-13 22:49:04,074 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_wlock_of_wdm_device [2019-10-13 22:49:04,074 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_wlock_of_wdm_device [2019-10-13 22:49:04,074 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_wlock_of_wdm_device [2019-10-13 22:49:04,074 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_trylock_device_wlock_of_wdm_device [2019-10-13 22:49:04,074 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_for_reset_wlock_of_wdm_device [2019-10-13 22:49:04,074 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_unlock_device_wlock_of_wdm_device [2019-10-13 22:49:04,074 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-10-13 22:49:04,074 INFO L138 BoogieDeclarations]: Found implementation of procedure __copy_from_user_overflow [2019-10-13 22:49:04,075 INFO L138 BoogieDeclarations]: Found implementation of procedure __copy_to_user_overflow [2019-10-13 22:49:04,075 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_dev_dbg [2019-10-13 22:49:04,075 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_pr_debug [2019-10-13 22:49:04,075 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2019-10-13 22:49:04,075 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2019-10-13 22:49:04,075 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2019-10-13 22:49:04,075 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_fault [2019-10-13 22:49:04,075 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_sleep [2019-10-13 22:49:04,076 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2019-10-13 22:49:04,076 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2019-10-13 22:49:04,076 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2019-10-13 22:49:04,076 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2019-10-13 22:49:04,076 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2019-10-13 22:49:04,076 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2019-10-13 22:49:04,076 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock [2019-10-13 22:49:04,076 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irq [2019-10-13 22:49:04,077 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2019-10-13 22:49:04,077 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock [2019-10-13 22:49:04,077 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irq [2019-10-13 22:49:04,077 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irqrestore [2019-10-13 22:49:04,077 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2019-10-13 22:49:04,077 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2019-10-13 22:49:04,077 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2019-10-13 22:49:04,077 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_workqueue [2019-10-13 22:49:04,078 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-10-13 22:49:04,078 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2019-10-13 22:49:04,078 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2019-10-13 22:49:04,078 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2019-10-13 22:49:04,078 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_interruptible [2019-10-13 22:49:04,078 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_trylock [2019-10-13 22:49:04,078 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2019-10-13 22:49:04,078 INFO L138 BoogieDeclarations]: Found implementation of procedure noop_llseek [2019-10-13 22:49:04,079 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait_event [2019-10-13 22:49:04,079 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work_on [2019-10-13 22:49:04,079 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2019-10-13 22:49:04,079 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2019-10-13 22:49:04,079 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2019-10-13 22:49:04,079 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_get_interface [2019-10-13 22:49:04,079 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_put_interface [2019-10-13 22:49:04,079 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_deregister [2019-10-13 22:49:04,080 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_deregister_dev [2019-10-13 22:49:04,080 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2019-10-13 22:49:04,080 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2019-10-13 22:49:04,080 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register_dev [2019-10-13 22:49:04,080 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register_driver [2019-10-13 22:49:04,080 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2019-10-13 22:49:04,080 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-10-13 22:49:04,080 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-10-13 22:49:04,081 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-10-13 22:49:04,081 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-10-13 22:49:04,081 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove [2019-10-13 22:49:04,081 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-13 22:49:04,081 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2019-10-13 22:49:04,081 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2019-10-13 22:49:04,082 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2019-10-13 22:49:04,082 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2019-10-13 22:49:04,083 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2019-10-13 22:49:04,088 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-13 22:49:04,088 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_pr_debug [2019-10-13 22:49:04,088 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_dev_dbg [2019-10-13 22:49:04,089 INFO L130 BoogieDeclarations]: Found specification of procedure __might_sleep [2019-10-13 22:49:04,089 INFO L130 BoogieDeclarations]: Found specification of procedure __might_fault [2019-10-13 22:49:04,089 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2019-10-13 22:49:04,089 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2019-10-13 22:49:04,089 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-13 22:49:04,089 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2019-10-13 22:49:04,089 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2019-10-13 22:49:04,090 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-13 22:49:04,092 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2019-10-13 22:49:04,093 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-10-13 22:49:04,093 INFO L130 BoogieDeclarations]: Found specification of procedure memmove [2019-10-13 22:49:04,093 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2019-10-13 22:49:04,093 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2019-10-13 22:49:04,093 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2019-10-13 22:49:04,093 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_trylock [2019-10-13 22:49:04,093 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_15 [2019-10-13 22:49:04,093 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2019-10-13 22:49:04,094 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_11 [2019-10-13 22:49:04,094 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_12 [2019-10-13 22:49:04,094 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_16 [2019-10-13 22:49:04,094 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_18 [2019-10-13 22:49:04,094 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_19 [2019-10-13 22:49:04,094 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_21 [2019-10-13 22:49:04,094 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_24 [2019-10-13 22:49:04,094 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_25 [2019-10-13 22:49:04,094 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_28 [2019-10-13 22:49:04,095 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_29 [2019-10-13 22:49:04,095 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_34 [2019-10-13 22:49:04,095 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_35 [2019-10-13 22:49:04,095 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_36 [2019-10-13 22:49:04,095 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_40 [2019-10-13 22:49:04,095 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_41 [2019-10-13 22:49:04,095 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_45 [2019-10-13 22:49:04,095 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_46 [2019-10-13 22:49:04,096 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-13 22:49:04,096 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-10-13 22:49:04,096 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-13 22:49:04,096 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-10-13 22:49:04,096 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-10-13 22:49:04,096 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-10-13 22:49:04,096 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-10-13 22:49:04,096 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-13 22:49:04,096 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-10-13 22:49:04,097 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-10-13 22:49:04,097 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2019-10-13 22:49:04,097 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2019-10-13 22:49:04,097 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-10-13 22:49:04,097 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2019-10-13 22:49:04,097 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ptr [2019-10-13 22:49:04,097 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2019-10-13 22:49:04,097 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2019-10-13 22:49:04,097 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_interruptible [2019-10-13 22:49:04,098 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_17 [2019-10-13 22:49:04,098 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_20 [2019-10-13 22:49:04,098 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2019-10-13 22:49:04,098 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_10 [2019-10-13 22:49:04,098 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_13 [2019-10-13 22:49:04,098 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_14 [2019-10-13 22:49:04,098 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_22 [2019-10-13 22:49:04,098 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_23 [2019-10-13 22:49:04,099 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_26 [2019-10-13 22:49:04,099 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_27 [2019-10-13 22:49:04,099 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_30 [2019-10-13 22:49:04,099 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_31 [2019-10-13 22:49:04,099 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_32 [2019-10-13 22:49:04,099 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_37 [2019-10-13 22:49:04,099 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_38 [2019-10-13 22:49:04,099 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_42 [2019-10-13 22:49:04,099 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_43 [2019-10-13 22:49:04,100 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_i_mutex_of_inode [2019-10-13 22:49:04,100 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_i_mutex_of_inode [2019-10-13 22:49:04,100 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock [2019-10-13 22:49:04,100 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock [2019-10-13 22:49:04,100 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mutex_of_device [2019-10-13 22:49:04,100 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_mutex_of_device [2019-10-13 22:49:04,100 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex_of_device [2019-10-13 22:49:04,100 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_rlock_of_wdm_device [2019-10-13 22:49:04,101 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_rlock_of_wdm_device [2019-10-13 22:49:04,101 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_rlock_of_wdm_device [2019-10-13 22:49:04,101 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_wdm_mutex [2019-10-13 22:49:04,101 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_wdm_mutex [2019-10-13 22:49:04,101 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_wlock_of_wdm_device [2019-10-13 22:49:04,101 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_wlock_of_wdm_device [2019-10-13 22:49:04,101 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_wlock_of_wdm_device [2019-10-13 22:49:04,101 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2019-10-13 22:49:04,101 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock [2019-10-13 22:49:04,102 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irq [2019-10-13 22:49:04,102 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2019-10-13 22:49:04,102 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock [2019-10-13 22:49:04,102 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irq [2019-10-13 22:49:04,102 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore [2019-10-13 22:49:04,102 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2019-10-13 22:49:04,102 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2019-10-13 22:49:04,102 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2019-10-13 22:49:04,103 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2019-10-13 22:49:04,103 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2019-10-13 22:49:04,103 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2019-10-13 22:49:04,103 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2019-10-13 22:49:04,103 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2019-10-13 22:49:04,103 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait_event [2019-10-13 22:49:04,103 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2019-10-13 22:49:04,103 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2019-10-13 22:49:04,104 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2019-10-13 22:49:04,104 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_queue_work_on_5 [2019-10-13 22:49:04,104 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_queue_work_on_7 [2019-10-13 22:49:04,104 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work_on [2019-10-13 22:49:04,104 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_queue_delayed_work_on_6 [2019-10-13 22:49:04,104 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_queue_delayed_work_on_9 [2019-10-13 22:49:04,104 INFO L130 BoogieDeclarations]: Found specification of procedure flush_workqueue [2019-10-13 22:49:04,105 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_flush_workqueue_8 [2019-10-13 22:49:04,105 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2019-10-13 22:49:04,105 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_cancel_work_sync_33 [2019-10-13 22:49:04,105 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_cancel_work_sync_39 [2019-10-13 22:49:04,105 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_cancel_work_sync_44 [2019-10-13 22:49:04,105 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work [2019-10-13 22:49:04,105 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2019-10-13 22:49:04,105 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2019-10-13 22:49:04,106 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-10-13 22:49:04,106 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2019-10-13 22:49:04,106 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2019-10-13 22:49:04,106 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2019-10-13 22:49:04,106 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_all_1 [2019-10-13 22:49:04,106 INFO L130 BoogieDeclarations]: Found specification of procedure invoke_work_1 [2019-10-13 22:49:04,107 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_driver_2 [2019-10-13 22:49:04,107 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_file_operations_3 [2019-10-13 22:49:04,107 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_work_1 [2019-10-13 22:49:04,107 INFO L130 BoogieDeclarations]: Found specification of procedure disable_work_1 [2019-10-13 22:49:04,107 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_1 [2019-10-13 22:49:04,107 INFO L130 BoogieDeclarations]: Found specification of procedure work_init_1 [2019-10-13 22:49:04,107 INFO L130 BoogieDeclarations]: Found specification of procedure kobject_name [2019-10-13 22:49:04,107 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2019-10-13 22:49:04,109 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2019-10-13 22:49:04,109 INFO L130 BoogieDeclarations]: Found specification of procedure __copy_from_user_overflow [2019-10-13 22:49:04,109 INFO L130 BoogieDeclarations]: Found specification of procedure __copy_to_user_overflow [2019-10-13 22:49:04,109 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2019-10-13 22:49:04,110 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-13 22:49:04,110 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2019-10-13 22:49:04,110 INFO L130 BoogieDeclarations]: Found specification of procedure iminor [2019-10-13 22:49:04,110 INFO L130 BoogieDeclarations]: Found specification of procedure noop_llseek [2019-10-13 22:49:04,110 INFO L130 BoogieDeclarations]: Found specification of procedure poll_wait [2019-10-13 22:49:04,110 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~VOID [2019-10-13 22:49:04,110 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_dir_in [2019-10-13 22:49:04,111 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_xfer_int [2019-10-13 22:49:04,111 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_is_int_in [2019-10-13 22:49:04,111 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_maxp [2019-10-13 22:49:04,111 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2019-10-13 22:49:04,111 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2019-10-13 22:49:04,111 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2019-10-13 22:49:04,111 INFO L130 BoogieDeclarations]: Found specification of procedure pm_runtime_mark_last_busy [2019-10-13 22:49:04,111 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-13 22:49:04,111 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2019-10-13 22:49:04,112 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_get_interface [2019-10-13 22:49:04,112 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_put_interface [2019-10-13 22:49:04,112 INFO L130 BoogieDeclarations]: Found specification of procedure usb_mark_last_busy [2019-10-13 22:49:04,112 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register_driver [2019-10-13 22:49:04,112 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_register_driver_47 [2019-10-13 22:49:04,112 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister [2019-10-13 22:49:04,112 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_deregister_48 [2019-10-13 22:49:04,112 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register_dev [2019-10-13 22:49:04,113 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister_dev [2019-10-13 22:49:04,113 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_control_urb [2019-10-13 22:49:04,113 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_int_urb [2019-10-13 22:49:04,113 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2019-10-13 22:49:04,113 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2019-10-13 22:49:04,113 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2019-10-13 22:49:04,113 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2019-10-13 22:49:04,113 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2019-10-13 22:49:04,113 INFO L130 BoogieDeclarations]: Found specification of procedure usb_translate_errors [2019-10-13 22:49:04,114 INFO L130 BoogieDeclarations]: Found specification of procedure usb_cdc_wdm_register [2019-10-13 22:49:04,114 INFO L130 BoogieDeclarations]: Found specification of procedure wdm_find_device [2019-10-13 22:49:04,114 INFO L130 BoogieDeclarations]: Found specification of procedure wdm_find_device_by_minor [2019-10-13 22:49:04,114 INFO L130 BoogieDeclarations]: Found specification of procedure wdm_out_callback [2019-10-13 22:49:04,114 INFO L130 BoogieDeclarations]: Found specification of procedure wdm_in_callback [2019-10-13 22:49:04,114 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove [2019-10-13 22:49:04,114 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-13 22:49:04,114 INFO L130 BoogieDeclarations]: Found specification of procedure wdm_int_callback [2019-10-13 22:49:04,115 INFO L130 BoogieDeclarations]: Found specification of procedure kill_urbs [2019-10-13 22:49:04,115 INFO L130 BoogieDeclarations]: Found specification of procedure free_urbs [2019-10-13 22:49:04,115 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-13 22:49:04,115 INFO L130 BoogieDeclarations]: Found specification of procedure wdm_write [2019-10-13 22:49:04,115 INFO L130 BoogieDeclarations]: Found specification of procedure clear_wdm_read_flag [2019-10-13 22:49:04,115 INFO L130 BoogieDeclarations]: Found specification of procedure wdm_read [2019-10-13 22:49:04,115 INFO L130 BoogieDeclarations]: Found specification of procedure wdm_flush [2019-10-13 22:49:04,115 INFO L130 BoogieDeclarations]: Found specification of procedure wdm_poll [2019-10-13 22:49:04,115 INFO L130 BoogieDeclarations]: Found specification of procedure wdm_open [2019-10-13 22:49:04,116 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~int [2019-10-13 22:49:04,116 INFO L130 BoogieDeclarations]: Found specification of procedure wdm_release [2019-10-13 22:49:04,116 INFO L130 BoogieDeclarations]: Found specification of procedure wdm_ioctl [2019-10-13 22:49:04,116 INFO L130 BoogieDeclarations]: Found specification of procedure wdm_rxwork [2019-10-13 22:49:04,116 INFO L130 BoogieDeclarations]: Found specification of procedure wdm_create [2019-10-13 22:49:04,116 INFO L130 BoogieDeclarations]: Found specification of procedure wdm_manage_power [2019-10-13 22:49:04,116 INFO L130 BoogieDeclarations]: Found specification of procedure wdm_probe [2019-10-13 22:49:04,116 INFO L130 BoogieDeclarations]: Found specification of procedure wdm_disconnect [2019-10-13 22:49:04,117 INFO L130 BoogieDeclarations]: Found specification of procedure wdm_suspend [2019-10-13 22:49:04,117 INFO L130 BoogieDeclarations]: Found specification of procedure recover_from_urb_loss [2019-10-13 22:49:04,117 INFO L130 BoogieDeclarations]: Found specification of procedure wdm_resume [2019-10-13 22:49:04,117 INFO L130 BoogieDeclarations]: Found specification of procedure wdm_pre_reset [2019-10-13 22:49:04,117 INFO L130 BoogieDeclarations]: Found specification of procedure wdm_post_reset [2019-10-13 22:49:04,117 INFO L130 BoogieDeclarations]: Found specification of procedure wdm_driver_init [2019-10-13 22:49:04,117 INFO L130 BoogieDeclarations]: Found specification of procedure wdm_driver_exit [2019-10-13 22:49:04,117 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-10-13 22:49:04,117 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-10-13 22:49:04,118 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-13 22:49:04,118 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2019-10-13 22:49:04,118 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int_negative [2019-10-13 22:49:04,118 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2019-10-13 22:49:04,118 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2019-10-13 22:49:04,118 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2019-10-13 22:49:04,118 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_i_mutex_of_inode [2019-10-13 22:49:04,118 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_i_mutex_of_inode [2019-10-13 22:49:04,118 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_i_mutex_of_inode [2019-10-13 22:49:04,119 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_i_mutex_of_inode [2019-10-13 22:49:04,119 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_i_mutex_of_inode [2019-10-13 22:49:04,119 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_i_mutex_of_inode [2019-10-13 22:49:04,119 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_trylock_device_i_mutex_of_inode [2019-10-13 22:49:04,119 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_for_reset_i_mutex_of_inode [2019-10-13 22:49:04,119 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_unlock_device_i_mutex_of_inode [2019-10-13 22:49:04,119 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_lock [2019-10-13 22:49:04,119 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_lock [2019-10-13 22:49:04,120 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_lock [2019-10-13 22:49:04,120 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_lock [2019-10-13 22:49:04,120 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_lock [2019-10-13 22:49:04,120 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_lock [2019-10-13 22:49:04,120 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_trylock_device_lock [2019-10-13 22:49:04,120 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_for_reset_lock [2019-10-13 22:49:04,120 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_unlock_device_lock [2019-10-13 22:49:04,120 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_mutex_of_device [2019-10-13 22:49:04,121 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_mutex_of_device [2019-10-13 22:49:04,121 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2019-10-13 22:49:04,121 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_mutex_of_device [2019-10-13 22:49:04,121 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_mutex_of_device [2019-10-13 22:49:04,121 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_trylock_device_mutex_of_device [2019-10-13 22:49:04,121 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_for_reset_mutex_of_device [2019-10-13 22:49:04,121 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_unlock_device_mutex_of_device [2019-10-13 22:49:04,121 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_rlock_of_wdm_device [2019-10-13 22:49:04,121 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_rlock_of_wdm_device [2019-10-13 22:49:04,122 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_rlock_of_wdm_device [2019-10-13 22:49:04,122 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_rlock_of_wdm_device [2019-10-13 22:49:04,122 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_rlock_of_wdm_device [2019-10-13 22:49:04,122 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_trylock_device_rlock_of_wdm_device [2019-10-13 22:49:04,122 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_for_reset_rlock_of_wdm_device [2019-10-13 22:49:04,122 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_unlock_device_rlock_of_wdm_device [2019-10-13 22:49:04,122 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_wdm_mutex [2019-10-13 22:49:04,122 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_wdm_mutex [2019-10-13 22:49:04,122 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_wdm_mutex [2019-10-13 22:49:04,123 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_wdm_mutex [2019-10-13 22:49:04,123 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_wdm_mutex [2019-10-13 22:49:04,123 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_wdm_mutex [2019-10-13 22:49:04,123 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_trylock_device_wdm_mutex [2019-10-13 22:49:04,123 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_for_reset_wdm_mutex [2019-10-13 22:49:04,123 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_unlock_device_wdm_mutex [2019-10-13 22:49:04,123 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_wlock_of_wdm_device [2019-10-13 22:49:04,123 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_wlock_of_wdm_device [2019-10-13 22:49:04,123 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_wlock_of_wdm_device [2019-10-13 22:49:04,124 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_wlock_of_wdm_device [2019-10-13 22:49:04,124 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_wlock_of_wdm_device [2019-10-13 22:49:04,124 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_trylock_device_wlock_of_wdm_device [2019-10-13 22:49:04,124 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_for_reset_wlock_of_wdm_device [2019-10-13 22:49:04,124 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_unlock_device_wlock_of_wdm_device [2019-10-13 22:49:04,124 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-10-13 22:49:04,124 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2019-10-13 22:49:04,124 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-10-13 22:49:04,125 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-13 22:49:04,125 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-13 22:49:04,128 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2019-10-13 22:49:04,128 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-13 22:49:04,128 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-10-13 22:49:04,129 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-13 22:49:04,129 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-10-13 22:49:04,129 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-10-13 22:49:04,129 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2019-10-13 22:49:05,253 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2019-10-13 22:49:21,196 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-13 22:49:21,197 INFO L284 CfgBuilder]: Removed 0 assume(true) statements. [2019-10-13 22:49:21,199 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 10:49:21 BoogieIcfgContainer [2019-10-13 22:49:21,199 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-13 22:49:21,200 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-13 22:49:21,201 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-13 22:49:21,204 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-13 22:49:21,204 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 10:49:00" (1/3) ... [2019-10-13 22:49:21,205 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73fd5a2e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 10:49:21, skipping insertion in model container [2019-10-13 22:49:21,205 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:49:03" (2/3) ... [2019-10-13 22:49:21,206 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73fd5a2e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 10:49:21, skipping insertion in model container [2019-10-13 22:49:21,206 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 10:49:21" (3/3) ... [2019-10-13 22:49:21,208 INFO L109 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-32_7a-drivers--usb--class--cdc-wdm.ko-entry_point.cil.out.i [2019-10-13 22:49:21,217 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-13 22:49:21,227 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-13 22:49:21,238 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-13 22:49:21,284 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-13 22:49:21,285 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-13 22:49:21,285 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-13 22:49:21,285 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-13 22:49:21,285 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-13 22:49:21,285 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-13 22:49:21,285 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-13 22:49:21,285 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-13 22:49:21,350 INFO L276 IsEmpty]: Start isEmpty. Operand 1541 states. [2019-10-13 22:49:21,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2019-10-13 22:49:21,376 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 22:49:21,377 INFO L380 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 22:49:21,380 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 22:49:21,385 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 22:49:21,386 INFO L82 PathProgramCache]: Analyzing trace with hash 1915252360, now seen corresponding path program 1 times [2019-10-13 22:49:21,394 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 22:49:21,394 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1540343082] [2019-10-13 22:49:21,394 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:49:21,394 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:49:21,394 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 22:49:22,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 22:49:22,573 INFO L134 CoverageAnalysis]: Checked inductivity of 378 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 378 trivial. 0 not checked. [2019-10-13 22:49:22,574 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1540343082] [2019-10-13 22:49:22,575 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 22:49:22,575 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 22:49:22,576 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1134986828] [2019-10-13 22:49:22,581 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 22:49:22,582 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 22:49:22,596 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 22:49:22,597 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 22:49:22,599 INFO L87 Difference]: Start difference. First operand 1541 states. Second operand 3 states. [2019-10-13 22:49:25,230 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 22:49:25,230 INFO L93 Difference]: Finished difference Result 3323 states and 4533 transitions. [2019-10-13 22:49:25,230 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 22:49:25,232 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 170 [2019-10-13 22:49:25,233 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 22:49:25,266 INFO L225 Difference]: With dead ends: 3323 [2019-10-13 22:49:25,267 INFO L226 Difference]: Without dead ends: 2195 [2019-10-13 22:49:25,280 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 22:49:25,305 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2195 states. [2019-10-13 22:49:25,544 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2195 to 2185. [2019-10-13 22:49:25,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2185 states. [2019-10-13 22:49:25,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2185 states to 2185 states and 2884 transitions. [2019-10-13 22:49:25,568 INFO L78 Accepts]: Start accepts. Automaton has 2185 states and 2884 transitions. Word has length 170 [2019-10-13 22:49:25,569 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 22:49:25,569 INFO L462 AbstractCegarLoop]: Abstraction has 2185 states and 2884 transitions. [2019-10-13 22:49:25,569 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 22:49:25,569 INFO L276 IsEmpty]: Start isEmpty. Operand 2185 states and 2884 transitions. [2019-10-13 22:49:25,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2019-10-13 22:49:25,573 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 22:49:25,574 INFO L380 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 22:49:25,574 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 22:49:25,574 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 22:49:25,575 INFO L82 PathProgramCache]: Analyzing trace with hash 1700868557, now seen corresponding path program 1 times [2019-10-13 22:49:25,575 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 22:49:25,575 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [586519610] [2019-10-13 22:49:25,575 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:49:25,575 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:49:25,576 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 22:49:25,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 22:49:25,992 INFO L134 CoverageAnalysis]: Checked inductivity of 378 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 378 trivial. 0 not checked. [2019-10-13 22:49:25,993 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [586519610] [2019-10-13 22:49:25,993 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 22:49:25,994 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 22:49:25,994 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [620358387] [2019-10-13 22:49:25,998 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 22:49:25,998 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 22:49:25,998 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 22:49:25,999 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 22:49:25,999 INFO L87 Difference]: Start difference. First operand 2185 states and 2884 transitions. Second operand 3 states. [2019-10-13 22:49:26,597 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 22:49:26,598 INFO L93 Difference]: Finished difference Result 5479 states and 7155 transitions. [2019-10-13 22:49:26,598 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 22:49:26,598 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 170 [2019-10-13 22:49:26,600 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 22:49:26,623 INFO L225 Difference]: With dead ends: 5479 [2019-10-13 22:49:26,623 INFO L226 Difference]: Without dead ends: 3345 [2019-10-13 22:49:26,634 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 22:49:26,640 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3345 states. [2019-10-13 22:49:26,807 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3345 to 3313. [2019-10-13 22:49:26,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3313 states. [2019-10-13 22:49:26,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3313 states to 3313 states and 4300 transitions. [2019-10-13 22:49:26,835 INFO L78 Accepts]: Start accepts. Automaton has 3313 states and 4300 transitions. Word has length 170 [2019-10-13 22:49:26,838 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 22:49:26,838 INFO L462 AbstractCegarLoop]: Abstraction has 3313 states and 4300 transitions. [2019-10-13 22:49:26,838 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 22:49:26,839 INFO L276 IsEmpty]: Start isEmpty. Operand 3313 states and 4300 transitions. [2019-10-13 22:49:26,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2019-10-13 22:49:26,848 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 22:49:26,849 INFO L380 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 22:49:26,849 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 22:49:26,849 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 22:49:26,850 INFO L82 PathProgramCache]: Analyzing trace with hash 1903521262, now seen corresponding path program 1 times [2019-10-13 22:49:26,850 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 22:49:26,850 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1274866116] [2019-10-13 22:49:26,850 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:49:26,851 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:49:26,851 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 22:49:27,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 22:49:27,410 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2019-10-13 22:49:27,410 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1274866116] [2019-10-13 22:49:27,411 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 22:49:27,411 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 22:49:27,411 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [456555319] [2019-10-13 22:49:27,413 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 22:49:27,413 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 22:49:27,414 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 22:49:27,415 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 22:49:27,415 INFO L87 Difference]: Start difference. First operand 3313 states and 4300 transitions. Second operand 3 states. [2019-10-13 22:49:27,558 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 22:49:27,558 INFO L93 Difference]: Finished difference Result 3315 states and 4301 transitions. [2019-10-13 22:49:27,559 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 22:49:27,559 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 186 [2019-10-13 22:49:27,560 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 22:49:27,598 INFO L225 Difference]: With dead ends: 3315 [2019-10-13 22:49:27,599 INFO L226 Difference]: Without dead ends: 3312 [2019-10-13 22:49:27,603 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 22:49:27,610 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3312 states. [2019-10-13 22:49:27,770 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3312 to 3312. [2019-10-13 22:49:27,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3312 states. [2019-10-13 22:49:27,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3312 states to 3312 states and 4298 transitions. [2019-10-13 22:49:27,792 INFO L78 Accepts]: Start accepts. Automaton has 3312 states and 4298 transitions. Word has length 186 [2019-10-13 22:49:27,794 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 22:49:27,794 INFO L462 AbstractCegarLoop]: Abstraction has 3312 states and 4298 transitions. [2019-10-13 22:49:27,794 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 22:49:27,794 INFO L276 IsEmpty]: Start isEmpty. Operand 3312 states and 4298 transitions. [2019-10-13 22:49:27,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2019-10-13 22:49:27,799 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 22:49:27,799 INFO L380 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 22:49:27,800 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 22:49:27,800 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 22:49:27,800 INFO L82 PathProgramCache]: Analyzing trace with hash -1121323256, now seen corresponding path program 1 times [2019-10-13 22:49:27,802 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 22:49:27,802 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [204393742] [2019-10-13 22:49:27,802 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:49:27,802 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:49:27,802 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 22:49:27,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 22:49:28,324 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2019-10-13 22:49:28,325 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [204393742] [2019-10-13 22:49:28,325 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 22:49:28,325 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 22:49:28,325 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2078709531] [2019-10-13 22:49:28,326 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 22:49:28,327 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 22:49:28,327 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 22:49:28,327 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 22:49:28,328 INFO L87 Difference]: Start difference. First operand 3312 states and 4298 transitions. Second operand 3 states. [2019-10-13 22:49:28,488 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 22:49:28,488 INFO L93 Difference]: Finished difference Result 3314 states and 4299 transitions. [2019-10-13 22:49:28,489 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 22:49:28,489 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 187 [2019-10-13 22:49:28,490 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 22:49:28,522 INFO L225 Difference]: With dead ends: 3314 [2019-10-13 22:49:28,522 INFO L226 Difference]: Without dead ends: 3311 [2019-10-13 22:49:28,526 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 22:49:28,533 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3311 states. [2019-10-13 22:49:28,713 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3311 to 3311. [2019-10-13 22:49:28,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3311 states. [2019-10-13 22:49:28,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3311 states to 3311 states and 4296 transitions. [2019-10-13 22:49:28,732 INFO L78 Accepts]: Start accepts. Automaton has 3311 states and 4296 transitions. Word has length 187 [2019-10-13 22:49:28,733 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 22:49:28,733 INFO L462 AbstractCegarLoop]: Abstraction has 3311 states and 4296 transitions. [2019-10-13 22:49:28,733 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 22:49:28,733 INFO L276 IsEmpty]: Start isEmpty. Operand 3311 states and 4296 transitions. [2019-10-13 22:49:28,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2019-10-13 22:49:28,869 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 22:49:28,870 INFO L380 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 22:49:28,870 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 22:49:28,870 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 22:49:28,871 INFO L82 PathProgramCache]: Analyzing trace with hash -574574744, now seen corresponding path program 1 times [2019-10-13 22:49:28,871 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 22:49:28,871 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [512603658] [2019-10-13 22:49:28,871 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:49:28,872 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:49:28,872 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 22:49:29,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 22:49:29,276 INFO L134 CoverageAnalysis]: Checked inductivity of 378 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 378 trivial. 0 not checked. [2019-10-13 22:49:29,277 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [512603658] [2019-10-13 22:49:29,277 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 22:49:29,277 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 22:49:29,278 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [464780135] [2019-10-13 22:49:29,278 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 22:49:29,279 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 22:49:29,279 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 22:49:29,279 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 22:49:29,280 INFO L87 Difference]: Start difference. First operand 3311 states and 4296 transitions. Second operand 3 states. [2019-10-13 22:49:29,861 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 22:49:29,861 INFO L93 Difference]: Finished difference Result 8202 states and 10659 transitions. [2019-10-13 22:49:29,862 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 22:49:29,862 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 193 [2019-10-13 22:49:29,862 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 22:49:29,898 INFO L225 Difference]: With dead ends: 8202 [2019-10-13 22:49:29,898 INFO L226 Difference]: Without dead ends: 4948 [2019-10-13 22:49:29,914 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 22:49:29,921 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4948 states. [2019-10-13 22:49:30,201 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4948 to 4903. [2019-10-13 22:49:30,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4903 states. [2019-10-13 22:49:30,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4903 states to 4903 states and 6378 transitions. [2019-10-13 22:49:30,235 INFO L78 Accepts]: Start accepts. Automaton has 4903 states and 6378 transitions. Word has length 193 [2019-10-13 22:49:30,236 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 22:49:30,236 INFO L462 AbstractCegarLoop]: Abstraction has 4903 states and 6378 transitions. [2019-10-13 22:49:30,236 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 22:49:30,236 INFO L276 IsEmpty]: Start isEmpty. Operand 4903 states and 6378 transitions. [2019-10-13 22:49:30,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2019-10-13 22:49:30,239 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 22:49:30,240 INFO L380 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 22:49:30,240 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 22:49:30,241 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 22:49:30,241 INFO L82 PathProgramCache]: Analyzing trace with hash -402217935, now seen corresponding path program 1 times [2019-10-13 22:49:30,241 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 22:49:30,242 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [334707921] [2019-10-13 22:49:30,242 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:49:30,242 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:49:30,242 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 22:49:30,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 22:49:30,667 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2019-10-13 22:49:30,668 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [334707921] [2019-10-13 22:49:30,668 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 22:49:30,668 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 22:49:30,668 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [803971847] [2019-10-13 22:49:30,669 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 22:49:30,669 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 22:49:30,669 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 22:49:30,670 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 22:49:30,670 INFO L87 Difference]: Start difference. First operand 4903 states and 6378 transitions. Second operand 3 states. [2019-10-13 22:49:30,855 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 22:49:30,855 INFO L93 Difference]: Finished difference Result 4905 states and 6379 transitions. [2019-10-13 22:49:30,855 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 22:49:30,855 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 188 [2019-10-13 22:49:30,856 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 22:49:30,890 INFO L225 Difference]: With dead ends: 4905 [2019-10-13 22:49:30,890 INFO L226 Difference]: Without dead ends: 4902 [2019-10-13 22:49:30,895 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 22:49:30,906 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4902 states. [2019-10-13 22:49:32,121 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4902 to 4902. [2019-10-13 22:49:32,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4902 states. [2019-10-13 22:49:32,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4902 states to 4902 states and 6376 transitions. [2019-10-13 22:49:32,152 INFO L78 Accepts]: Start accepts. Automaton has 4902 states and 6376 transitions. Word has length 188 [2019-10-13 22:49:32,153 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 22:49:32,153 INFO L462 AbstractCegarLoop]: Abstraction has 4902 states and 6376 transitions. [2019-10-13 22:49:32,153 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 22:49:32,153 INFO L276 IsEmpty]: Start isEmpty. Operand 4902 states and 6376 transitions. [2019-10-13 22:49:32,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2019-10-13 22:49:32,156 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 22:49:32,157 INFO L380 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 22:49:32,157 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 22:49:32,157 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 22:49:32,157 INFO L82 PathProgramCache]: Analyzing trace with hash 415215403, now seen corresponding path program 1 times [2019-10-13 22:49:32,158 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 22:49:32,158 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1866469266] [2019-10-13 22:49:32,158 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:49:32,158 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:49:32,158 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 22:49:32,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 22:49:32,546 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2019-10-13 22:49:32,547 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1866469266] [2019-10-13 22:49:32,547 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 22:49:32,547 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 22:49:32,547 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1680641675] [2019-10-13 22:49:32,548 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 22:49:32,548 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 22:49:32,548 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 22:49:32,549 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 22:49:32,549 INFO L87 Difference]: Start difference. First operand 4902 states and 6376 transitions. Second operand 3 states. [2019-10-13 22:49:32,998 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 22:49:32,999 INFO L93 Difference]: Finished difference Result 13881 states and 18008 transitions. [2019-10-13 22:49:32,999 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 22:49:32,999 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 189 [2019-10-13 22:49:33,000 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 22:49:33,054 INFO L225 Difference]: With dead ends: 13881 [2019-10-13 22:49:33,054 INFO L226 Difference]: Without dead ends: 9036 [2019-10-13 22:49:33,076 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 22:49:33,089 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9036 states.