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 0.1.24-13a467a-m [2019-10-15 02:51:36,241 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-15 02:51:36,245 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-15 02:51:36,262 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-15 02:51:36,263 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-15 02:51:36,265 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-15 02:51:36,267 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-15 02:51:36,277 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-15 02:51:36,282 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-15 02:51:36,284 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-15 02:51:36,285 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-15 02:51:36,287 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-15 02:51:36,288 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-15 02:51:36,290 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-15 02:51:36,293 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-15 02:51:36,294 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-15 02:51:36,296 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-15 02:51:36,297 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-15 02:51:36,298 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-15 02:51:36,303 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-15 02:51:36,307 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-15 02:51:36,310 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-15 02:51:36,313 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-15 02:51:36,314 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-15 02:51:36,316 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-15 02:51:36,316 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-15 02:51:36,316 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-15 02:51:36,318 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-15 02:51:36,319 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-15 02:51:36,320 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-15 02:51:36,320 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-15 02:51:36,321 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-15 02:51:36,322 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-15 02:51:36,322 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-15 02:51:36,324 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-15 02:51:36,324 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-15 02:51:36,325 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-15 02:51:36,325 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-15 02:51:36,325 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-15 02:51:36,326 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-15 02:51:36,327 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-15 02:51:36,328 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 [2019-10-15 02:51:36,358 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-15 02:51:36,359 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-15 02:51:36,361 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-15 02:51:36,365 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-15 02:51:36,366 INFO L138 SettingsManager]: * Use SBE=true [2019-10-15 02:51:36,366 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-15 02:51:36,366 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-15 02:51:36,366 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-15 02:51:36,367 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-15 02:51:36,367 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-15 02:51:36,367 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-15 02:51:36,367 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-15 02:51:36,367 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-15 02:51:36,368 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-15 02:51:36,368 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-15 02:51:36,368 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-15 02:51:36,368 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-15 02:51:36,369 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-15 02:51:36,369 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-15 02:51:36,369 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-15 02:51:36,369 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-15 02:51:36,369 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 02:51:36,370 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-15 02:51:36,370 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-15 02:51:36,370 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-15 02:51:36,370 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-15 02:51:36,371 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-15 02:51:36,371 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-15 02:51:36,371 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 [2019-10-15 02:51:36,653 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-15 02:51:36,668 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-15 02:51:36,672 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-15 02:51:36,673 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-15 02:51:36,674 INFO L275 PluginConnector]: CDTParser initialized [2019-10-15 02:51:36,674 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--usb--class--cdc-wdm.ko-entry_point.cil.out.i [2019-10-15 02:51:36,751 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a036816f4/107384eae4b14210985d58b473af7501/FLAG509ef6d17 [2019-10-15 02:51:37,584 INFO L306 CDTParser]: Found 1 translation units. [2019-10-15 02:51:37,585 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--usb--class--cdc-wdm.ko-entry_point.cil.out.i [2019-10-15 02:51:37,634 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a036816f4/107384eae4b14210985d58b473af7501/FLAG509ef6d17 [2019-10-15 02:51:38,065 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a036816f4/107384eae4b14210985d58b473af7501 [2019-10-15 02:51:38,076 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-15 02:51:38,078 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-15 02:51:38,079 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-15 02:51:38,079 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-15 02:51:38,082 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-15 02:51:38,083 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 02:51:38" (1/1) ... [2019-10-15 02:51:38,089 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@da563c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:51:38, skipping insertion in model container [2019-10-15 02:51:38,089 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 02:51:38" (1/1) ... [2019-10-15 02:51:38,097 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-15 02:51:38,232 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-15 02:51:40,532 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 02:51:40,592 INFO L188 MainTranslator]: Completed pre-run [2019-10-15 02:51:40,855 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 02:51:41,311 INFO L192 MainTranslator]: Completed translation [2019-10-15 02:51:41,312 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:51:41 WrapperNode [2019-10-15 02:51:41,312 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-15 02:51:41,314 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-15 02:51:41,314 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-15 02:51:41,314 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-15 02:51:41,335 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:51:41" (1/1) ... [2019-10-15 02:51:41,336 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:51:41" (1/1) ... [2019-10-15 02:51:41,440 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:51:41" (1/1) ... [2019-10-15 02:51:41,441 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:51:41" (1/1) ... [2019-10-15 02:51:41,582 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:51:41" (1/1) ... [2019-10-15 02:51:41,617 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:51:41" (1/1) ... [2019-10-15 02:51:41,652 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:51:41" (1/1) ... [2019-10-15 02:51:41,685 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-15 02:51:41,686 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-15 02:51:41,686 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-15 02:51:41,686 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-15 02:51:41,687 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:51:41" (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 [2019-10-15 02:51:41,757 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-15 02:51:41,757 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-15 02:51:41,757 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~VOID [2019-10-15 02:51:41,758 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~int [2019-10-15 02:51:41,758 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2019-10-15 02:51:41,760 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2019-10-15 02:51:41,761 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2019-10-15 02:51:41,761 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2019-10-15 02:51:41,762 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2019-10-15 02:51:41,762 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2019-10-15 02:51:41,762 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-10-15 02:51:41,763 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-10-15 02:51:41,763 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2019-10-15 02:51:41,763 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2019-10-15 02:51:41,764 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2019-10-15 02:51:41,764 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ptr [2019-10-15 02:51:41,766 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2019-10-15 02:51:41,766 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2019-10-15 02:51:41,766 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2019-10-15 02:51:41,767 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2019-10-15 02:51:41,767 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2019-10-15 02:51:41,767 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2019-10-15 02:51:41,767 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2019-10-15 02:51:41,767 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2019-10-15 02:51:41,767 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2019-10-15 02:51:41,768 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work [2019-10-15 02:51:41,768 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2019-10-15 02:51:41,768 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2019-10-15 02:51:41,768 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2019-10-15 02:51:41,768 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2019-10-15 02:51:41,768 INFO L138 BoogieDeclarations]: Found implementation of procedure kobject_name [2019-10-15 02:51:41,769 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2019-10-15 02:51:41,769 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2019-10-15 02:51:41,769 INFO L138 BoogieDeclarations]: Found implementation of procedure iminor [2019-10-15 02:51:41,769 INFO L138 BoogieDeclarations]: Found implementation of procedure poll_wait [2019-10-15 02:51:41,769 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_dir_in [2019-10-15 02:51:41,769 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_xfer_int [2019-10-15 02:51:41,770 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_is_int_in [2019-10-15 02:51:41,770 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_maxp [2019-10-15 02:51:41,770 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2019-10-15 02:51:41,770 INFO L138 BoogieDeclarations]: Found implementation of procedure pm_runtime_mark_last_busy [2019-10-15 02:51:41,770 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2019-10-15 02:51:41,770 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_mark_last_busy [2019-10-15 02:51:41,770 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_control_urb [2019-10-15 02:51:41,771 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_int_urb [2019-10-15 02:51:41,771 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2019-10-15 02:51:41,771 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_translate_errors [2019-10-15 02:51:41,771 INFO L138 BoogieDeclarations]: Found implementation of procedure wdm_find_device [2019-10-15 02:51:41,771 INFO L138 BoogieDeclarations]: Found implementation of procedure wdm_find_device_by_minor [2019-10-15 02:51:41,771 INFO L138 BoogieDeclarations]: Found implementation of procedure wdm_out_callback [2019-10-15 02:51:41,771 INFO L138 BoogieDeclarations]: Found implementation of procedure wdm_in_callback [2019-10-15 02:51:41,772 INFO L138 BoogieDeclarations]: Found implementation of procedure wdm_int_callback [2019-10-15 02:51:41,772 INFO L138 BoogieDeclarations]: Found implementation of procedure kill_urbs [2019-10-15 02:51:41,772 INFO L138 BoogieDeclarations]: Found implementation of procedure free_urbs [2019-10-15 02:51:41,772 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-15 02:51:41,772 INFO L138 BoogieDeclarations]: Found implementation of procedure wdm_write [2019-10-15 02:51:41,772 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_wdm_read_flag [2019-10-15 02:51:41,772 INFO L138 BoogieDeclarations]: Found implementation of procedure wdm_read [2019-10-15 02:51:41,773 INFO L138 BoogieDeclarations]: Found implementation of procedure wdm_flush [2019-10-15 02:51:41,773 INFO L138 BoogieDeclarations]: Found implementation of procedure wdm_poll [2019-10-15 02:51:41,773 INFO L138 BoogieDeclarations]: Found implementation of procedure wdm_open [2019-10-15 02:51:41,774 INFO L138 BoogieDeclarations]: Found implementation of procedure wdm_release [2019-10-15 02:51:41,774 INFO L138 BoogieDeclarations]: Found implementation of procedure wdm_ioctl [2019-10-15 02:51:41,774 INFO L138 BoogieDeclarations]: Found implementation of procedure wdm_rxwork [2019-10-15 02:51:41,774 INFO L138 BoogieDeclarations]: Found implementation of procedure wdm_create [2019-10-15 02:51:41,774 INFO L138 BoogieDeclarations]: Found implementation of procedure wdm_manage_power [2019-10-15 02:51:41,774 INFO L138 BoogieDeclarations]: Found implementation of procedure wdm_probe [2019-10-15 02:51:41,775 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_cdc_wdm_register [2019-10-15 02:51:41,775 INFO L138 BoogieDeclarations]: Found implementation of procedure wdm_disconnect [2019-10-15 02:51:41,775 INFO L138 BoogieDeclarations]: Found implementation of procedure wdm_suspend [2019-10-15 02:51:41,775 INFO L138 BoogieDeclarations]: Found implementation of procedure recover_from_urb_loss [2019-10-15 02:51:41,775 INFO L138 BoogieDeclarations]: Found implementation of procedure wdm_resume [2019-10-15 02:51:41,775 INFO L138 BoogieDeclarations]: Found implementation of procedure wdm_pre_reset [2019-10-15 02:51:41,776 INFO L138 BoogieDeclarations]: Found implementation of procedure wdm_post_reset [2019-10-15 02:51:41,776 INFO L138 BoogieDeclarations]: Found implementation of procedure wdm_driver_init [2019-10-15 02:51:41,776 INFO L138 BoogieDeclarations]: Found implementation of procedure wdm_driver_exit [2019-10-15 02:51:41,777 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_all_1 [2019-10-15 02:51:41,777 INFO L138 BoogieDeclarations]: Found implementation of procedure invoke_work_1 [2019-10-15 02:51:41,777 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_driver_2 [2019-10-15 02:51:41,778 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_file_operations_3 [2019-10-15 02:51:41,778 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_work_1 [2019-10-15 02:51:41,778 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_work_1 [2019-10-15 02:51:41,779 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_1 [2019-10-15 02:51:41,779 INFO L138 BoogieDeclarations]: Found implementation of procedure work_init_1 [2019-10-15 02:51:41,779 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-15 02:51:41,779 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2019-10-15 02:51:41,779 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_queue_work_on_5 [2019-10-15 02:51:41,780 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_queue_delayed_work_on_6 [2019-10-15 02:51:41,780 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_queue_work_on_7 [2019-10-15 02:51:41,780 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_flush_workqueue_8 [2019-10-15 02:51:41,780 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_queue_delayed_work_on_9 [2019-10-15 02:51:41,781 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_10 [2019-10-15 02:51:41,781 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_11 [2019-10-15 02:51:41,781 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_12 [2019-10-15 02:51:41,781 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_13 [2019-10-15 02:51:41,781 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_14 [2019-10-15 02:51:41,781 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_15 [2019-10-15 02:51:41,781 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_16 [2019-10-15 02:51:41,782 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_17 [2019-10-15 02:51:41,782 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_18 [2019-10-15 02:51:41,782 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_19 [2019-10-15 02:51:41,782 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_20 [2019-10-15 02:51:41,783 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_21 [2019-10-15 02:51:41,783 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_22 [2019-10-15 02:51:41,783 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_23 [2019-10-15 02:51:41,783 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_24 [2019-10-15 02:51:41,783 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_25 [2019-10-15 02:51:41,783 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_26 [2019-10-15 02:51:41,783 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_27 [2019-10-15 02:51:41,784 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_28 [2019-10-15 02:51:41,784 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_29 [2019-10-15 02:51:41,784 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_30 [2019-10-15 02:51:41,784 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_31 [2019-10-15 02:51:41,784 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_32 [2019-10-15 02:51:41,784 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_cancel_work_sync_33 [2019-10-15 02:51:41,784 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_34 [2019-10-15 02:51:41,785 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_35 [2019-10-15 02:51:41,785 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_36 [2019-10-15 02:51:41,785 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_37 [2019-10-15 02:51:41,785 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_38 [2019-10-15 02:51:41,786 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_cancel_work_sync_39 [2019-10-15 02:51:41,786 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_40 [2019-10-15 02:51:41,786 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_41 [2019-10-15 02:51:41,786 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_42 [2019-10-15 02:51:41,787 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_43 [2019-10-15 02:51:41,787 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_cancel_work_sync_44 [2019-10-15 02:51:41,787 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_45 [2019-10-15 02:51:41,787 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_46 [2019-10-15 02:51:41,788 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_register_driver_47 [2019-10-15 02:51:41,788 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_deregister_48 [2019-10-15 02:51:41,788 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2019-10-15 02:51:41,788 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int_negative [2019-10-15 02:51:41,789 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2019-10-15 02:51:41,789 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2019-10-15 02:51:41,793 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2019-10-15 02:51:41,793 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2019-10-15 02:51:41,793 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_i_mutex_of_inode [2019-10-15 02:51:41,793 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_i_mutex_of_inode [2019-10-15 02:51:41,794 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_i_mutex_of_inode [2019-10-15 02:51:41,794 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_i_mutex_of_inode [2019-10-15 02:51:41,794 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_i_mutex_of_inode [2019-10-15 02:51:41,795 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_i_mutex_of_inode [2019-10-15 02:51:41,795 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_i_mutex_of_inode [2019-10-15 02:51:41,796 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_i_mutex_of_inode [2019-10-15 02:51:41,802 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_trylock_device_i_mutex_of_inode [2019-10-15 02:51:41,802 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_for_reset_i_mutex_of_inode [2019-10-15 02:51:41,802 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_unlock_device_i_mutex_of_inode [2019-10-15 02:51:41,803 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_lock [2019-10-15 02:51:41,803 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_lock [2019-10-15 02:51:41,803 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock [2019-10-15 02:51:41,804 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_lock [2019-10-15 02:51:41,805 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_lock [2019-10-15 02:51:41,805 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_lock [2019-10-15 02:51:41,805 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock [2019-10-15 02:51:41,805 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_lock [2019-10-15 02:51:41,805 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_trylock_device_lock [2019-10-15 02:51:41,805 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_for_reset_lock [2019-10-15 02:51:41,805 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_unlock_device_lock [2019-10-15 02:51:41,806 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_mutex_of_device [2019-10-15 02:51:41,806 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_mutex_of_device [2019-10-15 02:51:41,806 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mutex_of_device [2019-10-15 02:51:41,806 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_mutex_of_device [2019-10-15 02:51:41,806 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2019-10-15 02:51:41,806 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_mutex_of_device [2019-10-15 02:51:41,806 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex_of_device [2019-10-15 02:51:41,807 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_mutex_of_device [2019-10-15 02:51:41,807 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_trylock_device_mutex_of_device [2019-10-15 02:51:41,807 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_for_reset_mutex_of_device [2019-10-15 02:51:41,807 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_unlock_device_mutex_of_device [2019-10-15 02:51:41,807 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_rlock_of_wdm_device [2019-10-15 02:51:41,808 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_rlock_of_wdm_device [2019-10-15 02:51:41,808 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_rlock_of_wdm_device [2019-10-15 02:51:41,808 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_rlock_of_wdm_device [2019-10-15 02:51:41,808 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_rlock_of_wdm_device [2019-10-15 02:51:41,808 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_rlock_of_wdm_device [2019-10-15 02:51:41,808 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_rlock_of_wdm_device [2019-10-15 02:51:41,808 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_rlock_of_wdm_device [2019-10-15 02:51:41,809 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_trylock_device_rlock_of_wdm_device [2019-10-15 02:51:41,809 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_for_reset_rlock_of_wdm_device [2019-10-15 02:51:41,809 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_unlock_device_rlock_of_wdm_device [2019-10-15 02:51:41,809 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_wdm_mutex [2019-10-15 02:51:41,809 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_wdm_mutex [2019-10-15 02:51:41,809 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_wdm_mutex [2019-10-15 02:51:41,809 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_wdm_mutex [2019-10-15 02:51:41,809 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_wdm_mutex [2019-10-15 02:51:41,810 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_wdm_mutex [2019-10-15 02:51:41,810 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_wdm_mutex [2019-10-15 02:51:41,810 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_wdm_mutex [2019-10-15 02:51:41,811 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_trylock_device_wdm_mutex [2019-10-15 02:51:41,811 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_for_reset_wdm_mutex [2019-10-15 02:51:41,811 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_unlock_device_wdm_mutex [2019-10-15 02:51:41,811 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_wlock_of_wdm_device [2019-10-15 02:51:41,811 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_wlock_of_wdm_device [2019-10-15 02:51:41,812 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_wlock_of_wdm_device [2019-10-15 02:51:41,812 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_wlock_of_wdm_device [2019-10-15 02:51:41,812 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_wlock_of_wdm_device [2019-10-15 02:51:41,812 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_wlock_of_wdm_device [2019-10-15 02:51:41,812 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_wlock_of_wdm_device [2019-10-15 02:51:41,812 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_wlock_of_wdm_device [2019-10-15 02:51:41,812 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_trylock_device_wlock_of_wdm_device [2019-10-15 02:51:41,812 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_for_reset_wlock_of_wdm_device [2019-10-15 02:51:41,813 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_unlock_device_wlock_of_wdm_device [2019-10-15 02:51:41,813 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-10-15 02:51:41,813 INFO L138 BoogieDeclarations]: Found implementation of procedure __copy_from_user_overflow [2019-10-15 02:51:41,813 INFO L138 BoogieDeclarations]: Found implementation of procedure __copy_to_user_overflow [2019-10-15 02:51:41,813 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_dev_dbg [2019-10-15 02:51:41,813 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_pr_debug [2019-10-15 02:51:41,813 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2019-10-15 02:51:41,814 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2019-10-15 02:51:41,814 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2019-10-15 02:51:41,814 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_fault [2019-10-15 02:51:41,814 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_sleep [2019-10-15 02:51:41,814 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2019-10-15 02:51:41,815 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2019-10-15 02:51:41,815 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2019-10-15 02:51:41,815 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2019-10-15 02:51:41,815 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2019-10-15 02:51:41,815 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2019-10-15 02:51:41,815 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock [2019-10-15 02:51:41,815 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irq [2019-10-15 02:51:41,815 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2019-10-15 02:51:41,816 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock [2019-10-15 02:51:41,816 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irq [2019-10-15 02:51:41,816 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irqrestore [2019-10-15 02:51:41,816 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2019-10-15 02:51:41,816 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2019-10-15 02:51:41,816 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2019-10-15 02:51:41,816 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_workqueue [2019-10-15 02:51:41,816 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-10-15 02:51:41,817 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2019-10-15 02:51:41,817 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2019-10-15 02:51:41,817 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2019-10-15 02:51:41,817 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_interruptible [2019-10-15 02:51:41,817 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_trylock [2019-10-15 02:51:41,817 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2019-10-15 02:51:41,817 INFO L138 BoogieDeclarations]: Found implementation of procedure noop_llseek [2019-10-15 02:51:41,817 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait_event [2019-10-15 02:51:41,818 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work_on [2019-10-15 02:51:41,818 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2019-10-15 02:51:41,818 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2019-10-15 02:51:41,818 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2019-10-15 02:51:41,818 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_get_interface [2019-10-15 02:51:41,818 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_put_interface [2019-10-15 02:51:41,818 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_deregister [2019-10-15 02:51:41,819 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_deregister_dev [2019-10-15 02:51:41,819 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2019-10-15 02:51:41,819 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2019-10-15 02:51:41,819 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register_dev [2019-10-15 02:51:41,819 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register_driver [2019-10-15 02:51:41,819 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2019-10-15 02:51:41,819 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-10-15 02:51:41,819 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-10-15 02:51:41,820 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-10-15 02:51:41,820 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-10-15 02:51:41,820 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove [2019-10-15 02:51:41,820 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-15 02:51:41,820 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2019-10-15 02:51:41,820 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2019-10-15 02:51:41,820 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2019-10-15 02:51:41,821 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2019-10-15 02:51:41,822 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2019-10-15 02:51:41,825 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-15 02:51:41,825 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_pr_debug [2019-10-15 02:51:41,826 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_dev_dbg [2019-10-15 02:51:41,826 INFO L130 BoogieDeclarations]: Found specification of procedure __might_sleep [2019-10-15 02:51:41,826 INFO L130 BoogieDeclarations]: Found specification of procedure __might_fault [2019-10-15 02:51:41,826 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2019-10-15 02:51:41,826 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2019-10-15 02:51:41,826 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-15 02:51:41,826 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2019-10-15 02:51:41,826 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2019-10-15 02:51:41,827 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-15 02:51:41,829 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2019-10-15 02:51:41,829 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-10-15 02:51:41,829 INFO L130 BoogieDeclarations]: Found specification of procedure memmove [2019-10-15 02:51:41,830 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2019-10-15 02:51:41,830 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2019-10-15 02:51:41,830 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2019-10-15 02:51:41,830 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_trylock [2019-10-15 02:51:41,830 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_15 [2019-10-15 02:51:41,830 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2019-10-15 02:51:41,830 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_11 [2019-10-15 02:51:41,830 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_12 [2019-10-15 02:51:41,830 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_16 [2019-10-15 02:51:41,831 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_18 [2019-10-15 02:51:41,831 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_19 [2019-10-15 02:51:41,831 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_21 [2019-10-15 02:51:41,831 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_24 [2019-10-15 02:51:41,831 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_25 [2019-10-15 02:51:41,831 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_28 [2019-10-15 02:51:41,831 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_29 [2019-10-15 02:51:41,831 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_34 [2019-10-15 02:51:41,832 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_35 [2019-10-15 02:51:41,832 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_36 [2019-10-15 02:51:41,832 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_40 [2019-10-15 02:51:41,832 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_41 [2019-10-15 02:51:41,832 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_45 [2019-10-15 02:51:41,832 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_46 [2019-10-15 02:51:41,832 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-15 02:51:41,832 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-10-15 02:51:41,832 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-15 02:51:41,833 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-10-15 02:51:41,833 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-10-15 02:51:41,833 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-10-15 02:51:41,833 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-10-15 02:51:41,833 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-15 02:51:41,833 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-10-15 02:51:41,833 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-10-15 02:51:41,833 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2019-10-15 02:51:41,833 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2019-10-15 02:51:41,834 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-10-15 02:51:41,834 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2019-10-15 02:51:41,834 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ptr [2019-10-15 02:51:41,834 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2019-10-15 02:51:41,834 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2019-10-15 02:51:41,834 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_interruptible [2019-10-15 02:51:41,834 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_17 [2019-10-15 02:51:41,834 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_20 [2019-10-15 02:51:41,835 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2019-10-15 02:51:41,835 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_10 [2019-10-15 02:51:41,835 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_13 [2019-10-15 02:51:41,835 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_14 [2019-10-15 02:51:41,835 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_22 [2019-10-15 02:51:41,835 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_23 [2019-10-15 02:51:41,835 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_26 [2019-10-15 02:51:41,835 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_27 [2019-10-15 02:51:41,835 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_30 [2019-10-15 02:51:41,836 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_31 [2019-10-15 02:51:41,836 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_32 [2019-10-15 02:51:41,836 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_37 [2019-10-15 02:51:41,836 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_38 [2019-10-15 02:51:41,836 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_42 [2019-10-15 02:51:41,836 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_43 [2019-10-15 02:51:41,836 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_i_mutex_of_inode [2019-10-15 02:51:41,836 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_i_mutex_of_inode [2019-10-15 02:51:41,837 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock [2019-10-15 02:51:41,837 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock [2019-10-15 02:51:41,837 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mutex_of_device [2019-10-15 02:51:41,837 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_mutex_of_device [2019-10-15 02:51:41,837 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex_of_device [2019-10-15 02:51:41,837 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_rlock_of_wdm_device [2019-10-15 02:51:41,837 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_rlock_of_wdm_device [2019-10-15 02:51:41,837 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_rlock_of_wdm_device [2019-10-15 02:51:41,837 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_wdm_mutex [2019-10-15 02:51:41,838 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_wdm_mutex [2019-10-15 02:51:41,838 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_wlock_of_wdm_device [2019-10-15 02:51:41,838 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_wlock_of_wdm_device [2019-10-15 02:51:41,838 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_wlock_of_wdm_device [2019-10-15 02:51:41,838 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2019-10-15 02:51:41,838 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock [2019-10-15 02:51:41,838 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irq [2019-10-15 02:51:41,838 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2019-10-15 02:51:41,839 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock [2019-10-15 02:51:41,839 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irq [2019-10-15 02:51:41,839 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore [2019-10-15 02:51:41,839 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2019-10-15 02:51:41,839 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2019-10-15 02:51:41,839 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2019-10-15 02:51:41,839 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2019-10-15 02:51:41,839 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2019-10-15 02:51:41,839 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2019-10-15 02:51:41,840 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2019-10-15 02:51:41,840 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2019-10-15 02:51:41,840 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait_event [2019-10-15 02:51:41,840 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2019-10-15 02:51:41,840 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2019-10-15 02:51:41,840 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2019-10-15 02:51:41,840 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_queue_work_on_5 [2019-10-15 02:51:41,840 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_queue_work_on_7 [2019-10-15 02:51:41,840 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work_on [2019-10-15 02:51:41,841 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_queue_delayed_work_on_6 [2019-10-15 02:51:41,841 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_queue_delayed_work_on_9 [2019-10-15 02:51:41,841 INFO L130 BoogieDeclarations]: Found specification of procedure flush_workqueue [2019-10-15 02:51:41,841 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_flush_workqueue_8 [2019-10-15 02:51:41,841 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2019-10-15 02:51:41,841 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_cancel_work_sync_33 [2019-10-15 02:51:41,841 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_cancel_work_sync_39 [2019-10-15 02:51:41,841 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_cancel_work_sync_44 [2019-10-15 02:51:41,842 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work [2019-10-15 02:51:41,842 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2019-10-15 02:51:41,842 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2019-10-15 02:51:41,842 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-10-15 02:51:41,842 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2019-10-15 02:51:41,842 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2019-10-15 02:51:41,842 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2019-10-15 02:51:41,842 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_all_1 [2019-10-15 02:51:41,842 INFO L130 BoogieDeclarations]: Found specification of procedure invoke_work_1 [2019-10-15 02:51:41,843 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_driver_2 [2019-10-15 02:51:41,843 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_file_operations_3 [2019-10-15 02:51:41,843 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_work_1 [2019-10-15 02:51:41,843 INFO L130 BoogieDeclarations]: Found specification of procedure disable_work_1 [2019-10-15 02:51:41,843 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_1 [2019-10-15 02:51:41,843 INFO L130 BoogieDeclarations]: Found specification of procedure work_init_1 [2019-10-15 02:51:41,843 INFO L130 BoogieDeclarations]: Found specification of procedure kobject_name [2019-10-15 02:51:41,845 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2019-10-15 02:51:41,845 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2019-10-15 02:51:41,845 INFO L130 BoogieDeclarations]: Found specification of procedure __copy_from_user_overflow [2019-10-15 02:51:41,845 INFO L130 BoogieDeclarations]: Found specification of procedure __copy_to_user_overflow [2019-10-15 02:51:41,845 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2019-10-15 02:51:41,846 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-15 02:51:41,846 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2019-10-15 02:51:41,846 INFO L130 BoogieDeclarations]: Found specification of procedure iminor [2019-10-15 02:51:41,846 INFO L130 BoogieDeclarations]: Found specification of procedure noop_llseek [2019-10-15 02:51:41,847 INFO L130 BoogieDeclarations]: Found specification of procedure poll_wait [2019-10-15 02:51:41,847 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~VOID [2019-10-15 02:51:41,847 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_dir_in [2019-10-15 02:51:41,847 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_xfer_int [2019-10-15 02:51:41,847 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_is_int_in [2019-10-15 02:51:41,847 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_maxp [2019-10-15 02:51:41,847 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2019-10-15 02:51:41,847 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2019-10-15 02:51:41,847 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2019-10-15 02:51:41,848 INFO L130 BoogieDeclarations]: Found specification of procedure pm_runtime_mark_last_busy [2019-10-15 02:51:41,848 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-15 02:51:41,848 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2019-10-15 02:51:41,848 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_get_interface [2019-10-15 02:51:41,848 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_put_interface [2019-10-15 02:51:41,848 INFO L130 BoogieDeclarations]: Found specification of procedure usb_mark_last_busy [2019-10-15 02:51:41,848 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register_driver [2019-10-15 02:51:41,848 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_register_driver_47 [2019-10-15 02:51:41,849 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister [2019-10-15 02:51:41,849 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_deregister_48 [2019-10-15 02:51:41,849 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register_dev [2019-10-15 02:51:41,849 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister_dev [2019-10-15 02:51:41,849 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_control_urb [2019-10-15 02:51:41,849 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_int_urb [2019-10-15 02:51:41,849 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2019-10-15 02:51:41,849 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2019-10-15 02:51:41,849 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2019-10-15 02:51:41,850 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2019-10-15 02:51:41,850 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2019-10-15 02:51:41,850 INFO L130 BoogieDeclarations]: Found specification of procedure usb_translate_errors [2019-10-15 02:51:41,850 INFO L130 BoogieDeclarations]: Found specification of procedure usb_cdc_wdm_register [2019-10-15 02:51:41,850 INFO L130 BoogieDeclarations]: Found specification of procedure wdm_find_device [2019-10-15 02:51:41,850 INFO L130 BoogieDeclarations]: Found specification of procedure wdm_find_device_by_minor [2019-10-15 02:51:41,850 INFO L130 BoogieDeclarations]: Found specification of procedure wdm_out_callback [2019-10-15 02:51:41,851 INFO L130 BoogieDeclarations]: Found specification of procedure wdm_in_callback [2019-10-15 02:51:41,851 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove [2019-10-15 02:51:41,851 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-15 02:51:41,851 INFO L130 BoogieDeclarations]: Found specification of procedure wdm_int_callback [2019-10-15 02:51:41,851 INFO L130 BoogieDeclarations]: Found specification of procedure kill_urbs [2019-10-15 02:51:41,851 INFO L130 BoogieDeclarations]: Found specification of procedure free_urbs [2019-10-15 02:51:41,851 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-15 02:51:41,851 INFO L130 BoogieDeclarations]: Found specification of procedure wdm_write [2019-10-15 02:51:41,851 INFO L130 BoogieDeclarations]: Found specification of procedure clear_wdm_read_flag [2019-10-15 02:51:41,852 INFO L130 BoogieDeclarations]: Found specification of procedure wdm_read [2019-10-15 02:51:41,852 INFO L130 BoogieDeclarations]: Found specification of procedure wdm_flush [2019-10-15 02:51:41,852 INFO L130 BoogieDeclarations]: Found specification of procedure wdm_poll [2019-10-15 02:51:41,852 INFO L130 BoogieDeclarations]: Found specification of procedure wdm_open [2019-10-15 02:51:41,852 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~int [2019-10-15 02:51:41,852 INFO L130 BoogieDeclarations]: Found specification of procedure wdm_release [2019-10-15 02:51:41,852 INFO L130 BoogieDeclarations]: Found specification of procedure wdm_ioctl [2019-10-15 02:51:41,853 INFO L130 BoogieDeclarations]: Found specification of procedure wdm_rxwork [2019-10-15 02:51:41,853 INFO L130 BoogieDeclarations]: Found specification of procedure wdm_create [2019-10-15 02:51:41,853 INFO L130 BoogieDeclarations]: Found specification of procedure wdm_manage_power [2019-10-15 02:51:41,853 INFO L130 BoogieDeclarations]: Found specification of procedure wdm_probe [2019-10-15 02:51:41,853 INFO L130 BoogieDeclarations]: Found specification of procedure wdm_disconnect [2019-10-15 02:51:41,853 INFO L130 BoogieDeclarations]: Found specification of procedure wdm_suspend [2019-10-15 02:51:41,853 INFO L130 BoogieDeclarations]: Found specification of procedure recover_from_urb_loss [2019-10-15 02:51:41,853 INFO L130 BoogieDeclarations]: Found specification of procedure wdm_resume [2019-10-15 02:51:41,854 INFO L130 BoogieDeclarations]: Found specification of procedure wdm_pre_reset [2019-10-15 02:51:41,854 INFO L130 BoogieDeclarations]: Found specification of procedure wdm_post_reset [2019-10-15 02:51:41,854 INFO L130 BoogieDeclarations]: Found specification of procedure wdm_driver_init [2019-10-15 02:51:41,854 INFO L130 BoogieDeclarations]: Found specification of procedure wdm_driver_exit [2019-10-15 02:51:41,854 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-10-15 02:51:41,854 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-10-15 02:51:41,854 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-15 02:51:41,854 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2019-10-15 02:51:41,854 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int_negative [2019-10-15 02:51:41,855 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2019-10-15 02:51:41,855 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2019-10-15 02:51:41,855 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2019-10-15 02:51:41,855 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_i_mutex_of_inode [2019-10-15 02:51:41,855 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_i_mutex_of_inode [2019-10-15 02:51:41,855 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_i_mutex_of_inode [2019-10-15 02:51:41,855 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_i_mutex_of_inode [2019-10-15 02:51:41,855 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_i_mutex_of_inode [2019-10-15 02:51:41,856 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_i_mutex_of_inode [2019-10-15 02:51:41,856 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_trylock_device_i_mutex_of_inode [2019-10-15 02:51:41,856 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_for_reset_i_mutex_of_inode [2019-10-15 02:51:41,856 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_unlock_device_i_mutex_of_inode [2019-10-15 02:51:41,856 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_lock [2019-10-15 02:51:41,856 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_lock [2019-10-15 02:51:41,856 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_lock [2019-10-15 02:51:41,856 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_lock [2019-10-15 02:51:41,856 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_lock [2019-10-15 02:51:41,857 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_lock [2019-10-15 02:51:41,857 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_trylock_device_lock [2019-10-15 02:51:41,857 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_for_reset_lock [2019-10-15 02:51:41,857 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_unlock_device_lock [2019-10-15 02:51:41,857 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_mutex_of_device [2019-10-15 02:51:41,857 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_mutex_of_device [2019-10-15 02:51:41,857 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2019-10-15 02:51:41,857 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_mutex_of_device [2019-10-15 02:51:41,857 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_mutex_of_device [2019-10-15 02:51:41,858 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_trylock_device_mutex_of_device [2019-10-15 02:51:41,858 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_for_reset_mutex_of_device [2019-10-15 02:51:41,858 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_unlock_device_mutex_of_device [2019-10-15 02:51:41,858 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_rlock_of_wdm_device [2019-10-15 02:51:41,858 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_rlock_of_wdm_device [2019-10-15 02:51:41,858 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_rlock_of_wdm_device [2019-10-15 02:51:41,858 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_rlock_of_wdm_device [2019-10-15 02:51:41,858 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_rlock_of_wdm_device [2019-10-15 02:51:41,859 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_trylock_device_rlock_of_wdm_device [2019-10-15 02:51:41,859 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_for_reset_rlock_of_wdm_device [2019-10-15 02:51:41,859 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_unlock_device_rlock_of_wdm_device [2019-10-15 02:51:41,859 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_wdm_mutex [2019-10-15 02:51:41,859 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_wdm_mutex [2019-10-15 02:51:41,859 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_wdm_mutex [2019-10-15 02:51:41,859 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_wdm_mutex [2019-10-15 02:51:41,859 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_wdm_mutex [2019-10-15 02:51:41,860 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_wdm_mutex [2019-10-15 02:51:41,860 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_trylock_device_wdm_mutex [2019-10-15 02:51:41,860 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_for_reset_wdm_mutex [2019-10-15 02:51:41,860 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_unlock_device_wdm_mutex [2019-10-15 02:51:41,860 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_wlock_of_wdm_device [2019-10-15 02:51:41,860 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_wlock_of_wdm_device [2019-10-15 02:51:41,860 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_wlock_of_wdm_device [2019-10-15 02:51:41,860 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_wlock_of_wdm_device [2019-10-15 02:51:41,860 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_wlock_of_wdm_device [2019-10-15 02:51:41,861 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_trylock_device_wlock_of_wdm_device [2019-10-15 02:51:41,861 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_for_reset_wlock_of_wdm_device [2019-10-15 02:51:41,861 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_unlock_device_wlock_of_wdm_device [2019-10-15 02:51:41,861 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-10-15 02:51:41,861 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2019-10-15 02:51:41,861 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-10-15 02:51:41,861 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-15 02:51:41,861 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-15 02:51:41,865 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2019-10-15 02:51:41,865 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-15 02:51:41,865 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-10-15 02:51:41,865 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-15 02:51:41,865 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2019-10-15 02:51:41,865 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-10-15 02:51:41,865 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-10-15 02:51:42,957 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2019-10-15 02:51:59,270 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-15 02:51:59,271 INFO L284 CfgBuilder]: Removed 0 assume(true) statements. [2019-10-15 02:51:59,273 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 02:51:59 BoogieIcfgContainer [2019-10-15 02:51:59,273 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-15 02:51:59,274 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-15 02:51:59,274 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-15 02:51:59,277 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-15 02:51:59,277 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 02:51:38" (1/3) ... [2019-10-15 02:51:59,278 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b68cc0c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 02:51:59, skipping insertion in model container [2019-10-15 02:51:59,278 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:51:41" (2/3) ... [2019-10-15 02:51:59,279 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b68cc0c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 02:51:59, skipping insertion in model container [2019-10-15 02:51:59,279 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 02:51:59" (3/3) ... [2019-10-15 02:51:59,281 INFO L109 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-32_7a-drivers--usb--class--cdc-wdm.ko-entry_point.cil.out.i [2019-10-15 02:51:59,290 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-15 02:51:59,301 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-15 02:51:59,312 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-15 02:51:59,349 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-15 02:51:59,349 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-15 02:51:59,349 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-15 02:51:59,349 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-15 02:51:59,350 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-15 02:51:59,350 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-15 02:51:59,350 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-15 02:51:59,350 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-15 02:51:59,396 INFO L276 IsEmpty]: Start isEmpty. Operand 1541 states. [2019-10-15 02:51:59,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2019-10-15 02:51:59,414 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 02:51:59,415 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] [2019-10-15 02:51:59,418 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 02:51:59,423 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 02:51:59,424 INFO L82 PathProgramCache]: Analyzing trace with hash 1915252360, now seen corresponding path program 1 times [2019-10-15 02:51:59,433 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 02:51:59,433 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1199537107] [2019-10-15 02:51:59,434 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 02:51:59,434 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 02:51:59,434 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 02:52:00,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 02:52:00,435 INFO L134 CoverageAnalysis]: Checked inductivity of 378 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 378 trivial. 0 not checked. [2019-10-15 02:52:00,436 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1199537107] [2019-10-15 02:52:00,437 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 02:52:00,437 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 02:52:00,437 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1964618246] [2019-10-15 02:52:00,442 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 02:52:00,442 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 02:52:00,456 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 02:52:00,457 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 02:52:00,459 INFO L87 Difference]: Start difference. First operand 1541 states. Second operand 3 states. [2019-10-15 02:52:03,150 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 02:52:03,150 INFO L93 Difference]: Finished difference Result 3323 states and 4533 transitions. [2019-10-15 02:52:03,151 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 02:52:03,152 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 170 [2019-10-15 02:52:03,154 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 02:52:03,204 INFO L225 Difference]: With dead ends: 3323 [2019-10-15 02:52:03,204 INFO L226 Difference]: Without dead ends: 2195 [2019-10-15 02:52:03,223 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 [2019-10-15 02:52:03,255 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2195 states. [2019-10-15 02:52:03,496 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2195 to 2185. [2019-10-15 02:52:03,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2185 states. [2019-10-15 02:52:03,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2185 states to 2185 states and 2884 transitions. [2019-10-15 02:52:03,522 INFO L78 Accepts]: Start accepts. Automaton has 2185 states and 2884 transitions. Word has length 170 [2019-10-15 02:52:03,523 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 02:52:03,523 INFO L462 AbstractCegarLoop]: Abstraction has 2185 states and 2884 transitions. [2019-10-15 02:52:03,524 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 02:52:03,524 INFO L276 IsEmpty]: Start isEmpty. Operand 2185 states and 2884 transitions. [2019-10-15 02:52:03,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2019-10-15 02:52:03,530 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 02:52:03,530 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] [2019-10-15 02:52:03,530 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 02:52:03,531 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 02:52:03,531 INFO L82 PathProgramCache]: Analyzing trace with hash 1700868557, now seen corresponding path program 1 times [2019-10-15 02:52:03,531 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 02:52:03,531 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [313724845] [2019-10-15 02:52:03,532 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 02:52:03,532 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 02:52:03,533 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 02:52:03,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 02:52:04,131 INFO L134 CoverageAnalysis]: Checked inductivity of 378 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 378 trivial. 0 not checked. [2019-10-15 02:52:04,132 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [313724845] [2019-10-15 02:52:04,132 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 02:52:04,133 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 02:52:04,133 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [451365002] [2019-10-15 02:52:04,135 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 02:52:04,136 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 02:52:04,136 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 02:52:04,136 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 02:52:04,136 INFO L87 Difference]: Start difference. First operand 2185 states and 2884 transitions. Second operand 3 states. [2019-10-15 02:52:04,574 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 02:52:04,574 INFO L93 Difference]: Finished difference Result 5479 states and 7155 transitions. [2019-10-15 02:52:04,575 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 02:52:04,575 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 170 [2019-10-15 02:52:04,576 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 02:52:04,600 INFO L225 Difference]: With dead ends: 5479 [2019-10-15 02:52:04,600 INFO L226 Difference]: Without dead ends: 3345 [2019-10-15 02:52:04,610 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 [2019-10-15 02:52:04,616 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3345 states. [2019-10-15 02:52:04,778 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3345 to 3313. [2019-10-15 02:52:04,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3313 states. [2019-10-15 02:52:04,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3313 states to 3313 states and 4300 transitions. [2019-10-15 02:52:04,812 INFO L78 Accepts]: Start accepts. Automaton has 3313 states and 4300 transitions. Word has length 170 [2019-10-15 02:52:04,814 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 02:52:04,815 INFO L462 AbstractCegarLoop]: Abstraction has 3313 states and 4300 transitions. [2019-10-15 02:52:04,815 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 02:52:04,815 INFO L276 IsEmpty]: Start isEmpty. Operand 3313 states and 4300 transitions. [2019-10-15 02:52:04,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2019-10-15 02:52:04,823 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 02:52:04,823 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] [2019-10-15 02:52:04,824 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 02:52:04,824 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 02:52:04,824 INFO L82 PathProgramCache]: Analyzing trace with hash 1903521262, now seen corresponding path program 1 times [2019-10-15 02:52:04,824 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 02:52:04,825 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1619014529] [2019-10-15 02:52:04,825 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 02:52:04,825 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 02:52:04,825 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 02:52:05,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 02:52:05,427 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2019-10-15 02:52:05,428 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1619014529] [2019-10-15 02:52:05,428 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 02:52:05,428 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 02:52:05,428 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [368169844] [2019-10-15 02:52:05,429 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 02:52:05,429 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 02:52:05,430 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 02:52:05,430 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 02:52:05,430 INFO L87 Difference]: Start difference. First operand 3313 states and 4300 transitions. Second operand 3 states. [2019-10-15 02:52:05,542 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 02:52:05,542 INFO L93 Difference]: Finished difference Result 3315 states and 4301 transitions. [2019-10-15 02:52:05,542 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 02:52:05,543 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 186 [2019-10-15 02:52:05,544 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 02:52:05,568 INFO L225 Difference]: With dead ends: 3315 [2019-10-15 02:52:05,568 INFO L226 Difference]: Without dead ends: 3312 [2019-10-15 02:52:05,571 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 [2019-10-15 02:52:05,579 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3312 states. [2019-10-15 02:52:05,735 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3312 to 3312. [2019-10-15 02:52:05,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3312 states. [2019-10-15 02:52:05,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3312 states to 3312 states and 4298 transitions. [2019-10-15 02:52:05,762 INFO L78 Accepts]: Start accepts. Automaton has 3312 states and 4298 transitions. Word has length 186 [2019-10-15 02:52:05,763 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 02:52:05,763 INFO L462 AbstractCegarLoop]: Abstraction has 3312 states and 4298 transitions. [2019-10-15 02:52:05,763 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 02:52:05,763 INFO L276 IsEmpty]: Start isEmpty. Operand 3312 states and 4298 transitions. [2019-10-15 02:52:05,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2019-10-15 02:52:05,766 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 02:52:05,766 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] [2019-10-15 02:52:05,767 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 02:52:05,767 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 02:52:05,767 INFO L82 PathProgramCache]: Analyzing trace with hash -1121323256, now seen corresponding path program 1 times [2019-10-15 02:52:05,767 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 02:52:05,768 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1836106493] [2019-10-15 02:52:05,768 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 02:52:05,768 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 02:52:05,768 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 02:52:05,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 02:52:06,969 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2019-10-15 02:52:06,970 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1836106493] [2019-10-15 02:52:06,970 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 02:52:06,970 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 02:52:06,970 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [430385579] [2019-10-15 02:52:06,972 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 02:52:06,972 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 02:52:06,972 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 02:52:06,972 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 02:52:06,972 INFO L87 Difference]: Start difference. First operand 3312 states and 4298 transitions. Second operand 3 states. [2019-10-15 02:52:07,083 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 02:52:07,084 INFO L93 Difference]: Finished difference Result 3314 states and 4299 transitions. [2019-10-15 02:52:07,084 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 02:52:07,084 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 187 [2019-10-15 02:52:07,085 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 02:52:07,112 INFO L225 Difference]: With dead ends: 3314 [2019-10-15 02:52:07,112 INFO L226 Difference]: Without dead ends: 3311 [2019-10-15 02:52:07,115 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 [2019-10-15 02:52:07,121 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3311 states. [2019-10-15 02:52:07,283 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3311 to 3311. [2019-10-15 02:52:07,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3311 states. [2019-10-15 02:52:07,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3311 states to 3311 states and 4296 transitions. [2019-10-15 02:52:07,300 INFO L78 Accepts]: Start accepts. Automaton has 3311 states and 4296 transitions. Word has length 187 [2019-10-15 02:52:07,301 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 02:52:07,302 INFO L462 AbstractCegarLoop]: Abstraction has 3311 states and 4296 transitions. [2019-10-15 02:52:07,302 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 02:52:07,302 INFO L276 IsEmpty]: Start isEmpty. Operand 3311 states and 4296 transitions. [2019-10-15 02:52:07,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2019-10-15 02:52:07,305 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 02:52:07,305 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, 1] [2019-10-15 02:52:07,305 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 02:52:07,306 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 02:52:07,306 INFO L82 PathProgramCache]: Analyzing trace with hash 1653963701, now seen corresponding path program 1 times [2019-10-15 02:52:07,306 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 02:52:07,306 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [146551961] [2019-10-15 02:52:07,306 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 02:52:07,307 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 02:52:07,307 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 02:52:07,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 02:52:07,614 INFO L134 CoverageAnalysis]: Checked inductivity of 378 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 378 trivial. 0 not checked. [2019-10-15 02:52:07,614 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [146551961] [2019-10-15 02:52:07,614 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 02:52:07,615 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 02:52:07,615 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1863559440] [2019-10-15 02:52:07,615 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 02:52:07,616 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 02:52:07,616 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 02:52:07,616 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 02:52:07,616 INFO L87 Difference]: Start difference. First operand 3311 states and 4296 transitions. Second operand 3 states. [2019-10-15 02:52:08,166 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 02:52:08,167 INFO L93 Difference]: Finished difference Result 8202 states and 10659 transitions. [2019-10-15 02:52:08,167 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 02:52:08,168 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 194 [2019-10-15 02:52:08,171 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 02:52:08,216 INFO L225 Difference]: With dead ends: 8202 [2019-10-15 02:52:08,216 INFO L226 Difference]: Without dead ends: 4948 [2019-10-15 02:52:08,241 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 [2019-10-15 02:52:08,252 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4948 states. [2019-10-15 02:52:08,515 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4948 to 4903. [2019-10-15 02:52:08,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4903 states. [2019-10-15 02:52:08,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4903 states to 4903 states and 6378 transitions. [2019-10-15 02:52:08,543 INFO L78 Accepts]: Start accepts. Automaton has 4903 states and 6378 transitions. Word has length 194 [2019-10-15 02:52:08,545 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 02:52:08,545 INFO L462 AbstractCegarLoop]: Abstraction has 4903 states and 6378 transitions. [2019-10-15 02:52:08,545 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 02:52:08,545 INFO L276 IsEmpty]: Start isEmpty. Operand 4903 states and 6378 transitions. [2019-10-15 02:52:08,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2019-10-15 02:52:08,547 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 02:52:08,548 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] [2019-10-15 02:52:08,548 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 02:52:08,548 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 02:52:08,548 INFO L82 PathProgramCache]: Analyzing trace with hash -402217935, now seen corresponding path program 1 times [2019-10-15 02:52:08,552 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 02:52:08,553 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1837733225] [2019-10-15 02:52:08,553 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 02:52:08,553 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 02:52:08,553 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 02:52:08,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 02:52:09,030 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2019-10-15 02:52:09,031 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1837733225] [2019-10-15 02:52:09,031 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 02:52:09,031 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 02:52:09,031 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1586463396] [2019-10-15 02:52:09,033 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 02:52:09,033 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 02:52:09,033 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 02:52:09,033 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 02:52:09,033 INFO L87 Difference]: Start difference. First operand 4903 states and 6378 transitions. Second operand 3 states. [2019-10-15 02:52:09,206 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 02:52:09,206 INFO L93 Difference]: Finished difference Result 4905 states and 6379 transitions. [2019-10-15 02:52:09,207 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 02:52:09,207 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 188 [2019-10-15 02:52:09,207 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 02:52:09,239 INFO L225 Difference]: With dead ends: 4905 [2019-10-15 02:52:09,239 INFO L226 Difference]: Without dead ends: 4902 [2019-10-15 02:52:09,243 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 [2019-10-15 02:52:09,250 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4902 states. [2019-10-15 02:52:09,490 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4902 to 4902. [2019-10-15 02:52:09,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4902 states. [2019-10-15 02:52:09,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4902 states to 4902 states and 6376 transitions. [2019-10-15 02:52:09,514 INFO L78 Accepts]: Start accepts. Automaton has 4902 states and 6376 transitions. Word has length 188 [2019-10-15 02:52:09,514 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 02:52:09,514 INFO L462 AbstractCegarLoop]: Abstraction has 4902 states and 6376 transitions. [2019-10-15 02:52:09,514 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 02:52:09,514 INFO L276 IsEmpty]: Start isEmpty. Operand 4902 states and 6376 transitions. [2019-10-15 02:52:09,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2019-10-15 02:52:09,518 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 02:52:09,518 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] [2019-10-15 02:52:09,518 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 02:52:09,518 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 02:52:09,519 INFO L82 PathProgramCache]: Analyzing trace with hash 415215403, now seen corresponding path program 1 times [2019-10-15 02:52:09,519 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 02:52:09,519 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [970774801] [2019-10-15 02:52:09,519 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 02:52:09,519 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 02:52:09,519 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 02:52:09,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 02:52:09,929 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2019-10-15 02:52:09,929 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [970774801] [2019-10-15 02:52:09,929 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 02:52:09,929 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 02:52:09,930 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1209013818] [2019-10-15 02:52:09,930 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 02:52:09,930 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 02:52:09,930 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 02:52:09,931 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 02:52:09,931 INFO L87 Difference]: Start difference. First operand 4902 states and 6376 transitions. Second operand 3 states. [2019-10-15 02:52:10,478 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 02:52:10,479 INFO L93 Difference]: Finished difference Result 13881 states and 18008 transitions. [2019-10-15 02:52:10,479 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 02:52:10,479 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 189 [2019-10-15 02:52:10,480 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 02:52:10,557 INFO L225 Difference]: With dead ends: 13881 [2019-10-15 02:52:10,558 INFO L226 Difference]: Without dead ends: 9036 [2019-10-15 02:52:10,579 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 [2019-10-15 02:52:10,591 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9036 states. [2019-10-15 02:52:11,018 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9036 to 9013. [2019-10-15 02:52:11,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9013 states. [2019-10-15 02:52:11,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9013 states to 9013 states and 11657 transitions. [2019-10-15 02:52:11,074 INFO L78 Accepts]: Start accepts. Automaton has 9013 states and 11657 transitions. Word has length 189 [2019-10-15 02:52:11,075 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 02:52:11,076 INFO L462 AbstractCegarLoop]: Abstraction has 9013 states and 11657 transitions. [2019-10-15 02:52:11,076 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 02:52:11,076 INFO L276 IsEmpty]: Start isEmpty. Operand 9013 states and 11657 transitions. [2019-10-15 02:52:11,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2019-10-15 02:52:11,078 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 02:52:11,078 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, 1] [2019-10-15 02:52:11,079 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 02:52:11,079 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 02:52:11,079 INFO L82 PathProgramCache]: Analyzing trace with hash -14150028, now seen corresponding path program 1 times [2019-10-15 02:52:11,079 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 02:52:11,080 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [79075860] [2019-10-15 02:52:11,080 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 02:52:11,080 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 02:52:11,080 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 02:52:11,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 02:52:11,445 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2019-10-15 02:52:11,445 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [79075860] [2019-10-15 02:52:11,445 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 02:52:11,445 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 02:52:11,446 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [988828728] [2019-10-15 02:52:11,446 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 02:52:11,446 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 02:52:11,447 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 02:52:11,447 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 02:52:11,447 INFO L87 Difference]: Start difference. First operand 9013 states and 11657 transitions. Second operand 3 states.