/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --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-fb55353 [2019-11-07 03:42:22,875 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-07 03:42:22,877 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-07 03:42:22,888 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-07 03:42:22,889 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-07 03:42:22,890 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-07 03:42:22,891 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-07 03:42:22,893 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-07 03:42:22,894 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-07 03:42:22,895 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-07 03:42:22,896 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-07 03:42:22,897 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-07 03:42:22,897 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-07 03:42:22,898 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-07 03:42:22,899 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-07 03:42:22,900 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-07 03:42:22,901 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-07 03:42:22,902 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-07 03:42:22,903 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-07 03:42:22,905 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-07 03:42:22,907 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-07 03:42:22,908 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-07 03:42:22,909 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-07 03:42:22,910 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-07 03:42:22,912 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-07 03:42:22,912 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-07 03:42:22,912 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-07 03:42:22,913 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-07 03:42:22,914 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-07 03:42:22,915 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-07 03:42:22,915 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-07 03:42:22,916 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-07 03:42:22,916 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-07 03:42:22,917 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-07 03:42:22,918 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-07 03:42:22,918 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-07 03:42:22,919 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-07 03:42:22,919 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-07 03:42:22,919 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-07 03:42:22,920 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-07 03:42:22,921 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-07 03:42:22,921 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-07 03:42:22,938 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-07 03:42:22,938 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-07 03:42:22,939 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-07 03:42:22,940 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-07 03:42:22,940 INFO L138 SettingsManager]: * Use SBE=true [2019-11-07 03:42:22,940 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-07 03:42:22,940 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-07 03:42:22,941 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-07 03:42:22,941 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-07 03:42:22,941 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-07 03:42:22,941 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-07 03:42:22,941 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-07 03:42:22,941 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-07 03:42:22,942 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-07 03:42:22,942 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-07 03:42:22,943 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-07 03:42:22,943 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-07 03:42:22,943 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-07 03:42:22,943 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-07 03:42:22,943 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-07 03:42:22,943 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-07 03:42:22,944 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-07 03:42:22,944 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-07 03:42:22,944 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-07 03:42:22,944 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-07 03:42:22,944 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-07 03:42:22,945 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-07 03:42:22,945 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-07 03:42:22,946 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 [2019-11-07 03:42:23,209 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-07 03:42:23,221 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-07 03:42:23,224 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-07 03:42:23,226 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-07 03:42:23,226 INFO L275 PluginConnector]: CDTParser initialized [2019-11-07 03:42:23,227 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--usb--class--cdc-wdm.ko-entry_point.cil.out.i [2019-11-07 03:42:23,286 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2599474dd/3c5b5a7eda4c4b74a16cffda4de85a8e/FLAG6054953af [2019-11-07 03:42:24,065 INFO L306 CDTParser]: Found 1 translation units. [2019-11-07 03:42:24,066 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--usb--class--cdc-wdm.ko-entry_point.cil.out.i [2019-11-07 03:42:24,098 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2599474dd/3c5b5a7eda4c4b74a16cffda4de85a8e/FLAG6054953af [2019-11-07 03:42:24,145 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2599474dd/3c5b5a7eda4c4b74a16cffda4de85a8e [2019-11-07 03:42:24,154 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-07 03:42:24,156 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-11-07 03:42:24,156 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-07 03:42:24,157 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-07 03:42:24,160 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-07 03:42:24,161 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 03:42:24" (1/1) ... [2019-11-07 03:42:24,163 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@33d5d982 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:42:24, skipping insertion in model container [2019-11-07 03:42:24,164 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 03:42:24" (1/1) ... [2019-11-07 03:42:24,169 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-07 03:42:24,285 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-07 03:42:26,136 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 03:42:26,199 INFO L188 MainTranslator]: Completed pre-run [2019-11-07 03:42:26,491 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 03:42:27,107 INFO L192 MainTranslator]: Completed translation [2019-11-07 03:42:27,108 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:42:27 WrapperNode [2019-11-07 03:42:27,108 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-07 03:42:27,109 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-07 03:42:27,109 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-07 03:42:27,109 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-07 03:42:27,123 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:42:27" (1/1) ... [2019-11-07 03:42:27,124 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:42:27" (1/1) ... [2019-11-07 03:42:27,220 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:42:27" (1/1) ... [2019-11-07 03:42:27,220 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:42:27" (1/1) ... [2019-11-07 03:42:27,346 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:42:27" (1/1) ... [2019-11-07 03:42:27,390 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:42:27" (1/1) ... [2019-11-07 03:42:27,443 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:42:27" (1/1) ... [2019-11-07 03:42:27,482 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-07 03:42:27,483 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-07 03:42:27,483 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-07 03:42:27,483 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-07 03:42:27,484 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:42:27" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-07 03:42:27,558 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-07 03:42:27,559 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-07 03:42:27,559 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~VOID [2019-11-07 03:42:27,559 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~int [2019-11-07 03:42:27,559 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2019-11-07 03:42:27,560 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2019-11-07 03:42:27,561 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2019-11-07 03:42:27,561 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2019-11-07 03:42:27,561 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2019-11-07 03:42:27,562 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2019-11-07 03:42:27,562 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-11-07 03:42:27,563 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-11-07 03:42:27,563 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2019-11-07 03:42:27,563 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2019-11-07 03:42:27,563 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2019-11-07 03:42:27,563 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ptr [2019-11-07 03:42:27,565 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2019-11-07 03:42:27,565 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2019-11-07 03:42:27,566 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2019-11-07 03:42:27,566 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2019-11-07 03:42:27,566 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2019-11-07 03:42:27,566 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2019-11-07 03:42:27,566 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2019-11-07 03:42:27,567 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2019-11-07 03:42:27,567 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2019-11-07 03:42:27,567 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work [2019-11-07 03:42:27,567 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2019-11-07 03:42:27,567 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2019-11-07 03:42:27,567 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2019-11-07 03:42:27,568 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2019-11-07 03:42:27,568 INFO L138 BoogieDeclarations]: Found implementation of procedure kobject_name [2019-11-07 03:42:27,568 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2019-11-07 03:42:27,568 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2019-11-07 03:42:27,568 INFO L138 BoogieDeclarations]: Found implementation of procedure iminor [2019-11-07 03:42:27,569 INFO L138 BoogieDeclarations]: Found implementation of procedure poll_wait [2019-11-07 03:42:27,569 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_dir_in [2019-11-07 03:42:27,569 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_xfer_int [2019-11-07 03:42:27,569 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_is_int_in [2019-11-07 03:42:27,569 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_maxp [2019-11-07 03:42:27,569 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2019-11-07 03:42:27,569 INFO L138 BoogieDeclarations]: Found implementation of procedure pm_runtime_mark_last_busy [2019-11-07 03:42:27,570 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2019-11-07 03:42:27,570 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_mark_last_busy [2019-11-07 03:42:27,570 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_control_urb [2019-11-07 03:42:27,570 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_int_urb [2019-11-07 03:42:27,570 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2019-11-07 03:42:27,570 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_translate_errors [2019-11-07 03:42:27,572 INFO L138 BoogieDeclarations]: Found implementation of procedure wdm_find_device [2019-11-07 03:42:27,572 INFO L138 BoogieDeclarations]: Found implementation of procedure wdm_find_device_by_minor [2019-11-07 03:42:27,572 INFO L138 BoogieDeclarations]: Found implementation of procedure wdm_out_callback [2019-11-07 03:42:27,572 INFO L138 BoogieDeclarations]: Found implementation of procedure wdm_in_callback [2019-11-07 03:42:27,572 INFO L138 BoogieDeclarations]: Found implementation of procedure wdm_int_callback [2019-11-07 03:42:27,572 INFO L138 BoogieDeclarations]: Found implementation of procedure kill_urbs [2019-11-07 03:42:27,572 INFO L138 BoogieDeclarations]: Found implementation of procedure free_urbs [2019-11-07 03:42:27,573 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-11-07 03:42:27,573 INFO L138 BoogieDeclarations]: Found implementation of procedure wdm_write [2019-11-07 03:42:27,573 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_wdm_read_flag [2019-11-07 03:42:27,573 INFO L138 BoogieDeclarations]: Found implementation of procedure wdm_read [2019-11-07 03:42:27,573 INFO L138 BoogieDeclarations]: Found implementation of procedure wdm_flush [2019-11-07 03:42:27,573 INFO L138 BoogieDeclarations]: Found implementation of procedure wdm_poll [2019-11-07 03:42:27,574 INFO L138 BoogieDeclarations]: Found implementation of procedure wdm_open [2019-11-07 03:42:27,574 INFO L138 BoogieDeclarations]: Found implementation of procedure wdm_release [2019-11-07 03:42:27,574 INFO L138 BoogieDeclarations]: Found implementation of procedure wdm_ioctl [2019-11-07 03:42:27,574 INFO L138 BoogieDeclarations]: Found implementation of procedure wdm_rxwork [2019-11-07 03:42:27,574 INFO L138 BoogieDeclarations]: Found implementation of procedure wdm_create [2019-11-07 03:42:27,574 INFO L138 BoogieDeclarations]: Found implementation of procedure wdm_manage_power [2019-11-07 03:42:27,575 INFO L138 BoogieDeclarations]: Found implementation of procedure wdm_probe [2019-11-07 03:42:27,575 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_cdc_wdm_register [2019-11-07 03:42:27,575 INFO L138 BoogieDeclarations]: Found implementation of procedure wdm_disconnect [2019-11-07 03:42:27,575 INFO L138 BoogieDeclarations]: Found implementation of procedure wdm_suspend [2019-11-07 03:42:27,575 INFO L138 BoogieDeclarations]: Found implementation of procedure recover_from_urb_loss [2019-11-07 03:42:27,575 INFO L138 BoogieDeclarations]: Found implementation of procedure wdm_resume [2019-11-07 03:42:27,575 INFO L138 BoogieDeclarations]: Found implementation of procedure wdm_pre_reset [2019-11-07 03:42:27,576 INFO L138 BoogieDeclarations]: Found implementation of procedure wdm_post_reset [2019-11-07 03:42:27,577 INFO L138 BoogieDeclarations]: Found implementation of procedure wdm_driver_init [2019-11-07 03:42:27,577 INFO L138 BoogieDeclarations]: Found implementation of procedure wdm_driver_exit [2019-11-07 03:42:27,577 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_all_1 [2019-11-07 03:42:27,578 INFO L138 BoogieDeclarations]: Found implementation of procedure invoke_work_1 [2019-11-07 03:42:27,578 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_driver_2 [2019-11-07 03:42:27,578 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_file_operations_3 [2019-11-07 03:42:27,578 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_work_1 [2019-11-07 03:42:27,579 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_work_1 [2019-11-07 03:42:27,579 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_1 [2019-11-07 03:42:27,579 INFO L138 BoogieDeclarations]: Found implementation of procedure work_init_1 [2019-11-07 03:42:27,579 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-07 03:42:27,579 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2019-11-07 03:42:27,579 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_queue_work_on_5 [2019-11-07 03:42:27,580 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_queue_delayed_work_on_6 [2019-11-07 03:42:27,581 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_queue_work_on_7 [2019-11-07 03:42:27,581 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_flush_workqueue_8 [2019-11-07 03:42:27,581 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_queue_delayed_work_on_9 [2019-11-07 03:42:27,581 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_10 [2019-11-07 03:42:27,581 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_11 [2019-11-07 03:42:27,581 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_12 [2019-11-07 03:42:27,582 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_13 [2019-11-07 03:42:27,582 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_14 [2019-11-07 03:42:27,582 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_15 [2019-11-07 03:42:27,582 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_16 [2019-11-07 03:42:27,582 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_17 [2019-11-07 03:42:27,582 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_18 [2019-11-07 03:42:27,582 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_19 [2019-11-07 03:42:27,583 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_20 [2019-11-07 03:42:27,583 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_21 [2019-11-07 03:42:27,583 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_22 [2019-11-07 03:42:27,583 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_23 [2019-11-07 03:42:27,583 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_24 [2019-11-07 03:42:27,583 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_25 [2019-11-07 03:42:27,583 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_26 [2019-11-07 03:42:27,584 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_27 [2019-11-07 03:42:27,584 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_28 [2019-11-07 03:42:27,584 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_29 [2019-11-07 03:42:27,584 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_30 [2019-11-07 03:42:27,584 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_31 [2019-11-07 03:42:27,584 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_32 [2019-11-07 03:42:27,585 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_cancel_work_sync_33 [2019-11-07 03:42:27,585 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_34 [2019-11-07 03:42:27,585 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_35 [2019-11-07 03:42:27,585 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_36 [2019-11-07 03:42:27,585 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_37 [2019-11-07 03:42:27,585 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_38 [2019-11-07 03:42:27,586 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_cancel_work_sync_39 [2019-11-07 03:42:27,586 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_40 [2019-11-07 03:42:27,586 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_41 [2019-11-07 03:42:27,586 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_42 [2019-11-07 03:42:27,587 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_43 [2019-11-07 03:42:27,587 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_cancel_work_sync_44 [2019-11-07 03:42:27,587 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_45 [2019-11-07 03:42:27,587 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_46 [2019-11-07 03:42:27,587 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_register_driver_47 [2019-11-07 03:42:27,588 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_deregister_48 [2019-11-07 03:42:27,588 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2019-11-07 03:42:27,588 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int_negative [2019-11-07 03:42:27,588 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2019-11-07 03:42:27,589 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2019-11-07 03:42:27,592 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2019-11-07 03:42:27,592 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2019-11-07 03:42:27,592 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_i_mutex_of_inode [2019-11-07 03:42:27,592 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_i_mutex_of_inode [2019-11-07 03:42:27,593 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_i_mutex_of_inode [2019-11-07 03:42:27,593 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_i_mutex_of_inode [2019-11-07 03:42:27,593 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_i_mutex_of_inode [2019-11-07 03:42:27,593 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_i_mutex_of_inode [2019-11-07 03:42:27,593 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_i_mutex_of_inode [2019-11-07 03:42:27,594 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_i_mutex_of_inode [2019-11-07 03:42:27,601 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_trylock_device_i_mutex_of_inode [2019-11-07 03:42:27,601 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_for_reset_i_mutex_of_inode [2019-11-07 03:42:27,602 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_unlock_device_i_mutex_of_inode [2019-11-07 03:42:27,602 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_lock [2019-11-07 03:42:27,602 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_lock [2019-11-07 03:42:27,602 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock [2019-11-07 03:42:27,602 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_lock [2019-11-07 03:42:27,602 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_lock [2019-11-07 03:42:27,602 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_lock [2019-11-07 03:42:27,602 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock [2019-11-07 03:42:27,603 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_lock [2019-11-07 03:42:27,603 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_trylock_device_lock [2019-11-07 03:42:27,603 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_for_reset_lock [2019-11-07 03:42:27,603 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_unlock_device_lock [2019-11-07 03:42:27,603 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_mutex_of_device [2019-11-07 03:42:27,604 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_mutex_of_device [2019-11-07 03:42:27,604 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mutex_of_device [2019-11-07 03:42:27,604 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_mutex_of_device [2019-11-07 03:42:27,604 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2019-11-07 03:42:27,604 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_mutex_of_device [2019-11-07 03:42:27,604 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex_of_device [2019-11-07 03:42:27,604 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_mutex_of_device [2019-11-07 03:42:27,604 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_trylock_device_mutex_of_device [2019-11-07 03:42:27,604 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_for_reset_mutex_of_device [2019-11-07 03:42:27,605 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_unlock_device_mutex_of_device [2019-11-07 03:42:27,605 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_rlock_of_wdm_device [2019-11-07 03:42:27,605 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_rlock_of_wdm_device [2019-11-07 03:42:27,605 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_rlock_of_wdm_device [2019-11-07 03:42:27,605 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_rlock_of_wdm_device [2019-11-07 03:42:27,605 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_rlock_of_wdm_device [2019-11-07 03:42:27,605 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_rlock_of_wdm_device [2019-11-07 03:42:27,605 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_rlock_of_wdm_device [2019-11-07 03:42:27,606 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_rlock_of_wdm_device [2019-11-07 03:42:27,606 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_trylock_device_rlock_of_wdm_device [2019-11-07 03:42:27,606 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_for_reset_rlock_of_wdm_device [2019-11-07 03:42:27,606 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_unlock_device_rlock_of_wdm_device [2019-11-07 03:42:27,606 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_wdm_mutex [2019-11-07 03:42:27,606 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_wdm_mutex [2019-11-07 03:42:27,606 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_wdm_mutex [2019-11-07 03:42:27,606 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_wdm_mutex [2019-11-07 03:42:27,606 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_wdm_mutex [2019-11-07 03:42:27,607 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_wdm_mutex [2019-11-07 03:42:27,607 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_wdm_mutex [2019-11-07 03:42:27,607 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_wdm_mutex [2019-11-07 03:42:27,607 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_trylock_device_wdm_mutex [2019-11-07 03:42:27,607 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_for_reset_wdm_mutex [2019-11-07 03:42:27,607 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_unlock_device_wdm_mutex [2019-11-07 03:42:27,608 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_wlock_of_wdm_device [2019-11-07 03:42:27,608 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_wlock_of_wdm_device [2019-11-07 03:42:27,608 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_wlock_of_wdm_device [2019-11-07 03:42:27,608 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_wlock_of_wdm_device [2019-11-07 03:42:27,608 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_wlock_of_wdm_device [2019-11-07 03:42:27,608 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_wlock_of_wdm_device [2019-11-07 03:42:27,608 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_wlock_of_wdm_device [2019-11-07 03:42:27,608 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_wlock_of_wdm_device [2019-11-07 03:42:27,609 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_trylock_device_wlock_of_wdm_device [2019-11-07 03:42:27,609 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_for_reset_wlock_of_wdm_device [2019-11-07 03:42:27,609 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_unlock_device_wlock_of_wdm_device [2019-11-07 03:42:27,609 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-11-07 03:42:27,609 INFO L138 BoogieDeclarations]: Found implementation of procedure __copy_from_user_overflow [2019-11-07 03:42:27,609 INFO L138 BoogieDeclarations]: Found implementation of procedure __copy_to_user_overflow [2019-11-07 03:42:27,609 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_dev_dbg [2019-11-07 03:42:27,609 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_pr_debug [2019-11-07 03:42:27,610 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2019-11-07 03:42:27,610 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2019-11-07 03:42:27,610 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2019-11-07 03:42:27,610 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_fault [2019-11-07 03:42:27,610 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_sleep [2019-11-07 03:42:27,610 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2019-11-07 03:42:27,610 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2019-11-07 03:42:27,610 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2019-11-07 03:42:27,611 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2019-11-07 03:42:27,611 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2019-11-07 03:42:27,611 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2019-11-07 03:42:27,611 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock [2019-11-07 03:42:27,611 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irq [2019-11-07 03:42:27,611 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2019-11-07 03:42:27,611 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock [2019-11-07 03:42:27,611 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irq [2019-11-07 03:42:27,612 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irqrestore [2019-11-07 03:42:27,612 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2019-11-07 03:42:27,612 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2019-11-07 03:42:27,612 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2019-11-07 03:42:27,612 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_workqueue [2019-11-07 03:42:27,612 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-11-07 03:42:27,612 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2019-11-07 03:42:27,612 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2019-11-07 03:42:27,613 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2019-11-07 03:42:27,613 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_interruptible [2019-11-07 03:42:27,613 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_trylock [2019-11-07 03:42:27,613 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2019-11-07 03:42:27,613 INFO L138 BoogieDeclarations]: Found implementation of procedure noop_llseek [2019-11-07 03:42:27,613 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait_event [2019-11-07 03:42:27,613 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work_on [2019-11-07 03:42:27,613 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2019-11-07 03:42:27,613 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2019-11-07 03:42:27,614 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2019-11-07 03:42:27,614 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_get_interface [2019-11-07 03:42:27,614 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_put_interface [2019-11-07 03:42:27,614 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_deregister [2019-11-07 03:42:27,614 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_deregister_dev [2019-11-07 03:42:27,614 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2019-11-07 03:42:27,614 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2019-11-07 03:42:27,614 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register_dev [2019-11-07 03:42:27,615 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register_driver [2019-11-07 03:42:27,615 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2019-11-07 03:42:27,615 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-11-07 03:42:27,615 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-11-07 03:42:27,615 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-11-07 03:42:27,615 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-11-07 03:42:27,615 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove [2019-11-07 03:42:27,615 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-07 03:42:27,616 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2019-11-07 03:42:27,616 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2019-11-07 03:42:27,616 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2019-11-07 03:42:27,616 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2019-11-07 03:42:27,617 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2019-11-07 03:42:27,620 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-07 03:42:27,621 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_pr_debug [2019-11-07 03:42:27,621 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_dev_dbg [2019-11-07 03:42:27,621 INFO L130 BoogieDeclarations]: Found specification of procedure __might_sleep [2019-11-07 03:42:27,621 INFO L130 BoogieDeclarations]: Found specification of procedure __might_fault [2019-11-07 03:42:27,621 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2019-11-07 03:42:27,621 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2019-11-07 03:42:27,621 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-07 03:42:27,621 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2019-11-07 03:42:27,622 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2019-11-07 03:42:27,622 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-07 03:42:27,624 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2019-11-07 03:42:27,624 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-11-07 03:42:27,624 INFO L130 BoogieDeclarations]: Found specification of procedure memmove [2019-11-07 03:42:27,624 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2019-11-07 03:42:27,624 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2019-11-07 03:42:27,624 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2019-11-07 03:42:27,625 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_trylock [2019-11-07 03:42:27,625 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_15 [2019-11-07 03:42:27,625 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2019-11-07 03:42:27,625 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_11 [2019-11-07 03:42:27,625 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_12 [2019-11-07 03:42:27,625 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_16 [2019-11-07 03:42:27,625 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_18 [2019-11-07 03:42:27,625 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_19 [2019-11-07 03:42:27,625 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_21 [2019-11-07 03:42:27,626 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_24 [2019-11-07 03:42:27,626 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_25 [2019-11-07 03:42:27,626 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_28 [2019-11-07 03:42:27,626 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_29 [2019-11-07 03:42:27,626 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_34 [2019-11-07 03:42:27,626 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_35 [2019-11-07 03:42:27,626 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_36 [2019-11-07 03:42:27,626 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_40 [2019-11-07 03:42:27,626 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_41 [2019-11-07 03:42:27,627 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_45 [2019-11-07 03:42:27,627 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_46 [2019-11-07 03:42:27,627 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-11-07 03:42:27,627 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-11-07 03:42:27,627 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-07 03:42:27,627 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-11-07 03:42:27,627 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-11-07 03:42:27,627 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-11-07 03:42:27,628 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-11-07 03:42:27,628 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-07 03:42:27,628 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-11-07 03:42:27,628 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-11-07 03:42:27,628 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2019-11-07 03:42:27,628 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2019-11-07 03:42:27,628 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-11-07 03:42:27,628 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2019-11-07 03:42:27,628 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ptr [2019-11-07 03:42:27,629 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2019-11-07 03:42:27,629 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2019-11-07 03:42:27,629 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_interruptible [2019-11-07 03:42:27,629 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_17 [2019-11-07 03:42:27,629 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_20 [2019-11-07 03:42:27,629 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2019-11-07 03:42:27,629 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_10 [2019-11-07 03:42:27,629 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_13 [2019-11-07 03:42:27,629 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_14 [2019-11-07 03:42:27,630 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_22 [2019-11-07 03:42:27,630 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_23 [2019-11-07 03:42:27,630 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_26 [2019-11-07 03:42:27,630 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_27 [2019-11-07 03:42:27,630 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_30 [2019-11-07 03:42:27,630 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_31 [2019-11-07 03:42:27,630 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_32 [2019-11-07 03:42:27,630 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_37 [2019-11-07 03:42:27,630 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_38 [2019-11-07 03:42:27,630 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_42 [2019-11-07 03:42:27,631 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_43 [2019-11-07 03:42:27,631 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_i_mutex_of_inode [2019-11-07 03:42:27,631 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_i_mutex_of_inode [2019-11-07 03:42:27,631 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock [2019-11-07 03:42:27,631 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock [2019-11-07 03:42:27,631 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mutex_of_device [2019-11-07 03:42:27,631 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_mutex_of_device [2019-11-07 03:42:27,631 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex_of_device [2019-11-07 03:42:27,632 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_rlock_of_wdm_device [2019-11-07 03:42:27,632 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_rlock_of_wdm_device [2019-11-07 03:42:27,632 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_rlock_of_wdm_device [2019-11-07 03:42:27,632 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_wdm_mutex [2019-11-07 03:42:27,632 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_wdm_mutex [2019-11-07 03:42:27,632 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_wlock_of_wdm_device [2019-11-07 03:42:27,632 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_wlock_of_wdm_device [2019-11-07 03:42:27,632 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_wlock_of_wdm_device [2019-11-07 03:42:27,632 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2019-11-07 03:42:27,632 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock [2019-11-07 03:42:27,633 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irq [2019-11-07 03:42:27,633 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2019-11-07 03:42:27,633 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock [2019-11-07 03:42:27,633 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irq [2019-11-07 03:42:27,633 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore [2019-11-07 03:42:27,633 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2019-11-07 03:42:27,633 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2019-11-07 03:42:27,633 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2019-11-07 03:42:27,634 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2019-11-07 03:42:27,634 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2019-11-07 03:42:27,634 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2019-11-07 03:42:27,634 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2019-11-07 03:42:27,634 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2019-11-07 03:42:27,634 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait_event [2019-11-07 03:42:27,634 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2019-11-07 03:42:27,634 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2019-11-07 03:42:27,634 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2019-11-07 03:42:27,635 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_queue_work_on_5 [2019-11-07 03:42:27,635 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_queue_work_on_7 [2019-11-07 03:42:27,635 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work_on [2019-11-07 03:42:27,635 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_queue_delayed_work_on_6 [2019-11-07 03:42:27,635 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_queue_delayed_work_on_9 [2019-11-07 03:42:27,635 INFO L130 BoogieDeclarations]: Found specification of procedure flush_workqueue [2019-11-07 03:42:27,635 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_flush_workqueue_8 [2019-11-07 03:42:27,635 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2019-11-07 03:42:27,635 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_cancel_work_sync_33 [2019-11-07 03:42:27,636 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_cancel_work_sync_39 [2019-11-07 03:42:27,636 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_cancel_work_sync_44 [2019-11-07 03:42:27,636 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work [2019-11-07 03:42:27,636 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2019-11-07 03:42:27,636 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2019-11-07 03:42:27,636 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-11-07 03:42:27,636 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2019-11-07 03:42:27,637 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2019-11-07 03:42:27,637 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2019-11-07 03:42:27,637 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_all_1 [2019-11-07 03:42:27,637 INFO L130 BoogieDeclarations]: Found specification of procedure invoke_work_1 [2019-11-07 03:42:27,637 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_driver_2 [2019-11-07 03:42:27,637 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_file_operations_3 [2019-11-07 03:42:27,637 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_work_1 [2019-11-07 03:42:27,637 INFO L130 BoogieDeclarations]: Found specification of procedure disable_work_1 [2019-11-07 03:42:27,637 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_1 [2019-11-07 03:42:27,638 INFO L130 BoogieDeclarations]: Found specification of procedure work_init_1 [2019-11-07 03:42:27,638 INFO L130 BoogieDeclarations]: Found specification of procedure kobject_name [2019-11-07 03:42:27,638 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2019-11-07 03:42:27,638 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2019-11-07 03:42:27,639 INFO L130 BoogieDeclarations]: Found specification of procedure __copy_from_user_overflow [2019-11-07 03:42:27,639 INFO L130 BoogieDeclarations]: Found specification of procedure __copy_to_user_overflow [2019-11-07 03:42:27,640 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2019-11-07 03:42:27,640 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-07 03:42:27,640 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2019-11-07 03:42:27,640 INFO L130 BoogieDeclarations]: Found specification of procedure iminor [2019-11-07 03:42:27,640 INFO L130 BoogieDeclarations]: Found specification of procedure noop_llseek [2019-11-07 03:42:27,641 INFO L130 BoogieDeclarations]: Found specification of procedure poll_wait [2019-11-07 03:42:27,641 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~VOID [2019-11-07 03:42:27,641 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_dir_in [2019-11-07 03:42:27,641 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_xfer_int [2019-11-07 03:42:27,641 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_is_int_in [2019-11-07 03:42:27,641 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_maxp [2019-11-07 03:42:27,641 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2019-11-07 03:42:27,641 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2019-11-07 03:42:27,641 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2019-11-07 03:42:27,642 INFO L130 BoogieDeclarations]: Found specification of procedure pm_runtime_mark_last_busy [2019-11-07 03:42:27,642 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-07 03:42:27,642 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2019-11-07 03:42:27,642 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_get_interface [2019-11-07 03:42:27,642 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_put_interface [2019-11-07 03:42:27,642 INFO L130 BoogieDeclarations]: Found specification of procedure usb_mark_last_busy [2019-11-07 03:42:27,642 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register_driver [2019-11-07 03:42:27,642 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_register_driver_47 [2019-11-07 03:42:27,642 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister [2019-11-07 03:42:27,643 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_deregister_48 [2019-11-07 03:42:27,643 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register_dev [2019-11-07 03:42:27,643 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister_dev [2019-11-07 03:42:27,643 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_control_urb [2019-11-07 03:42:27,643 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_int_urb [2019-11-07 03:42:27,643 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2019-11-07 03:42:27,643 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2019-11-07 03:42:27,643 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2019-11-07 03:42:27,643 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2019-11-07 03:42:27,644 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2019-11-07 03:42:27,644 INFO L130 BoogieDeclarations]: Found specification of procedure usb_translate_errors [2019-11-07 03:42:27,644 INFO L130 BoogieDeclarations]: Found specification of procedure usb_cdc_wdm_register [2019-11-07 03:42:27,644 INFO L130 BoogieDeclarations]: Found specification of procedure wdm_find_device [2019-11-07 03:42:27,644 INFO L130 BoogieDeclarations]: Found specification of procedure wdm_find_device_by_minor [2019-11-07 03:42:27,644 INFO L130 BoogieDeclarations]: Found specification of procedure wdm_out_callback [2019-11-07 03:42:27,644 INFO L130 BoogieDeclarations]: Found specification of procedure wdm_in_callback [2019-11-07 03:42:27,644 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove [2019-11-07 03:42:27,644 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-07 03:42:27,644 INFO L130 BoogieDeclarations]: Found specification of procedure wdm_int_callback [2019-11-07 03:42:27,645 INFO L130 BoogieDeclarations]: Found specification of procedure kill_urbs [2019-11-07 03:42:27,645 INFO L130 BoogieDeclarations]: Found specification of procedure free_urbs [2019-11-07 03:42:27,645 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-11-07 03:42:27,645 INFO L130 BoogieDeclarations]: Found specification of procedure wdm_write [2019-11-07 03:42:27,645 INFO L130 BoogieDeclarations]: Found specification of procedure clear_wdm_read_flag [2019-11-07 03:42:27,645 INFO L130 BoogieDeclarations]: Found specification of procedure wdm_read [2019-11-07 03:42:27,645 INFO L130 BoogieDeclarations]: Found specification of procedure wdm_flush [2019-11-07 03:42:27,645 INFO L130 BoogieDeclarations]: Found specification of procedure wdm_poll [2019-11-07 03:42:27,645 INFO L130 BoogieDeclarations]: Found specification of procedure wdm_open [2019-11-07 03:42:27,646 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~int [2019-11-07 03:42:27,646 INFO L130 BoogieDeclarations]: Found specification of procedure wdm_release [2019-11-07 03:42:27,646 INFO L130 BoogieDeclarations]: Found specification of procedure wdm_ioctl [2019-11-07 03:42:27,646 INFO L130 BoogieDeclarations]: Found specification of procedure wdm_rxwork [2019-11-07 03:42:27,646 INFO L130 BoogieDeclarations]: Found specification of procedure wdm_create [2019-11-07 03:42:27,646 INFO L130 BoogieDeclarations]: Found specification of procedure wdm_manage_power [2019-11-07 03:42:27,646 INFO L130 BoogieDeclarations]: Found specification of procedure wdm_probe [2019-11-07 03:42:27,646 INFO L130 BoogieDeclarations]: Found specification of procedure wdm_disconnect [2019-11-07 03:42:27,646 INFO L130 BoogieDeclarations]: Found specification of procedure wdm_suspend [2019-11-07 03:42:27,647 INFO L130 BoogieDeclarations]: Found specification of procedure recover_from_urb_loss [2019-11-07 03:42:27,647 INFO L130 BoogieDeclarations]: Found specification of procedure wdm_resume [2019-11-07 03:42:27,647 INFO L130 BoogieDeclarations]: Found specification of procedure wdm_pre_reset [2019-11-07 03:42:27,647 INFO L130 BoogieDeclarations]: Found specification of procedure wdm_post_reset [2019-11-07 03:42:27,647 INFO L130 BoogieDeclarations]: Found specification of procedure wdm_driver_init [2019-11-07 03:42:27,647 INFO L130 BoogieDeclarations]: Found specification of procedure wdm_driver_exit [2019-11-07 03:42:27,647 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-11-07 03:42:27,647 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-11-07 03:42:27,648 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-07 03:42:27,648 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2019-11-07 03:42:27,648 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int_negative [2019-11-07 03:42:27,648 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2019-11-07 03:42:27,648 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2019-11-07 03:42:27,648 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2019-11-07 03:42:27,648 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_i_mutex_of_inode [2019-11-07 03:42:27,648 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_i_mutex_of_inode [2019-11-07 03:42:27,648 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_i_mutex_of_inode [2019-11-07 03:42:27,649 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_i_mutex_of_inode [2019-11-07 03:42:27,649 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_i_mutex_of_inode [2019-11-07 03:42:27,649 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_i_mutex_of_inode [2019-11-07 03:42:27,649 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_trylock_device_i_mutex_of_inode [2019-11-07 03:42:27,649 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_for_reset_i_mutex_of_inode [2019-11-07 03:42:27,649 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_unlock_device_i_mutex_of_inode [2019-11-07 03:42:27,649 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_lock [2019-11-07 03:42:27,649 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_lock [2019-11-07 03:42:27,649 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_lock [2019-11-07 03:42:27,650 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_lock [2019-11-07 03:42:27,650 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_lock [2019-11-07 03:42:27,650 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_lock [2019-11-07 03:42:27,650 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_trylock_device_lock [2019-11-07 03:42:27,650 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_for_reset_lock [2019-11-07 03:42:27,650 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_unlock_device_lock [2019-11-07 03:42:27,650 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_mutex_of_device [2019-11-07 03:42:27,650 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_mutex_of_device [2019-11-07 03:42:27,650 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2019-11-07 03:42:27,651 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_mutex_of_device [2019-11-07 03:42:27,651 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_mutex_of_device [2019-11-07 03:42:27,651 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_trylock_device_mutex_of_device [2019-11-07 03:42:27,651 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_for_reset_mutex_of_device [2019-11-07 03:42:27,651 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_unlock_device_mutex_of_device [2019-11-07 03:42:27,651 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_rlock_of_wdm_device [2019-11-07 03:42:27,651 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_rlock_of_wdm_device [2019-11-07 03:42:27,651 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_rlock_of_wdm_device [2019-11-07 03:42:27,651 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_rlock_of_wdm_device [2019-11-07 03:42:27,652 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_rlock_of_wdm_device [2019-11-07 03:42:27,652 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_trylock_device_rlock_of_wdm_device [2019-11-07 03:42:27,652 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_for_reset_rlock_of_wdm_device [2019-11-07 03:42:27,652 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_unlock_device_rlock_of_wdm_device [2019-11-07 03:42:27,652 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_wdm_mutex [2019-11-07 03:42:27,652 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_wdm_mutex [2019-11-07 03:42:27,652 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_wdm_mutex [2019-11-07 03:42:27,652 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_wdm_mutex [2019-11-07 03:42:27,652 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_wdm_mutex [2019-11-07 03:42:27,653 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_wdm_mutex [2019-11-07 03:42:27,653 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_trylock_device_wdm_mutex [2019-11-07 03:42:27,653 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_for_reset_wdm_mutex [2019-11-07 03:42:27,653 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_unlock_device_wdm_mutex [2019-11-07 03:42:27,653 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_wlock_of_wdm_device [2019-11-07 03:42:27,653 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_wlock_of_wdm_device [2019-11-07 03:42:27,653 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_wlock_of_wdm_device [2019-11-07 03:42:27,653 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_wlock_of_wdm_device [2019-11-07 03:42:27,653 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_wlock_of_wdm_device [2019-11-07 03:42:27,653 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_trylock_device_wlock_of_wdm_device [2019-11-07 03:42:27,654 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_for_reset_wlock_of_wdm_device [2019-11-07 03:42:27,654 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_unlock_device_wlock_of_wdm_device [2019-11-07 03:42:27,654 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-11-07 03:42:27,654 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2019-11-07 03:42:27,654 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-11-07 03:42:27,654 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-11-07 03:42:27,654 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-07 03:42:27,657 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2019-11-07 03:42:27,657 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-07 03:42:27,658 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-11-07 03:42:27,658 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-07 03:42:27,658 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-11-07 03:42:27,658 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-11-07 03:42:27,658 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2019-11-07 03:42:28,660 INFO L688 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2019-11-07 03:42:43,976 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-07 03:42:43,977 INFO L284 CfgBuilder]: Removed 0 assume(true) statements. [2019-11-07 03:42:43,979 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 03:42:43 BoogieIcfgContainer [2019-11-07 03:42:43,979 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-07 03:42:43,980 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-07 03:42:43,980 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-07 03:42:43,983 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-07 03:42:43,983 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 03:42:24" (1/3) ... [2019-11-07 03:42:43,984 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@729af4bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 03:42:43, skipping insertion in model container [2019-11-07 03:42:43,984 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:42:27" (2/3) ... [2019-11-07 03:42:43,984 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@729af4bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 03:42:43, skipping insertion in model container [2019-11-07 03:42:43,984 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 03:42:43" (3/3) ... [2019-11-07 03:42:43,986 INFO L109 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-32_7a-drivers--usb--class--cdc-wdm.ko-entry_point.cil.out.i [2019-11-07 03:42:43,994 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-07 03:42:44,004 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-07 03:42:44,012 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-07 03:42:44,047 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-07 03:42:44,047 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-07 03:42:44,048 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-07 03:42:44,048 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-07 03:42:44,048 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-07 03:42:44,048 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-07 03:42:44,048 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-07 03:42:44,048 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-07 03:42:44,092 INFO L276 IsEmpty]: Start isEmpty. Operand 1541 states. [2019-11-07 03:42:44,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2019-11-07 03:42:44,110 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 03:42:44,111 INFO L410 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] [2019-11-07 03:42:44,113 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 03:42:44,118 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 03:42:44,118 INFO L82 PathProgramCache]: Analyzing trace with hash 1915252360, now seen corresponding path program 1 times [2019-11-07 03:42:44,128 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 03:42:44,128 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [215140429] [2019-11-07 03:42:44,128 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 03:42:44,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 03:42:45,095 INFO L134 CoverageAnalysis]: Checked inductivity of 378 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 378 trivial. 0 not checked. [2019-11-07 03:42:45,096 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [215140429] [2019-11-07 03:42:45,097 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 03:42:45,097 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-07 03:42:45,098 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [283776688] [2019-11-07 03:42:45,103 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-07 03:42:45,103 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 03:42:45,116 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-07 03:42:45,117 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-07 03:42:45,119 INFO L87 Difference]: Start difference. First operand 1541 states. Second operand 3 states. [2019-11-07 03:42:47,693 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 03:42:47,693 INFO L93 Difference]: Finished difference Result 3323 states and 4533 transitions. [2019-11-07 03:42:47,694 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-07 03:42:47,695 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 170 [2019-11-07 03:42:47,696 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 03:42:47,729 INFO L225 Difference]: With dead ends: 3323 [2019-11-07 03:42:47,729 INFO L226 Difference]: Without dead ends: 2195 [2019-11-07 03:42:47,743 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-07 03:42:47,771 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2195 states. [2019-11-07 03:42:48,069 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2195 to 2185. [2019-11-07 03:42:48,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2185 states. [2019-11-07 03:42:48,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2185 states to 2185 states and 2884 transitions. [2019-11-07 03:42:48,094 INFO L78 Accepts]: Start accepts. Automaton has 2185 states and 2884 transitions. Word has length 170 [2019-11-07 03:42:48,098 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 03:42:48,099 INFO L462 AbstractCegarLoop]: Abstraction has 2185 states and 2884 transitions. [2019-11-07 03:42:48,099 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-07 03:42:48,099 INFO L276 IsEmpty]: Start isEmpty. Operand 2185 states and 2884 transitions. [2019-11-07 03:42:48,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2019-11-07 03:42:48,108 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 03:42:48,108 INFO L410 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] [2019-11-07 03:42:48,109 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 03:42:48,109 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 03:42:48,109 INFO L82 PathProgramCache]: Analyzing trace with hash 1700868557, now seen corresponding path program 1 times [2019-11-07 03:42:48,109 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 03:42:48,110 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1708942710] [2019-11-07 03:42:48,113 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 03:42:48,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 03:42:48,445 INFO L134 CoverageAnalysis]: Checked inductivity of 378 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 378 trivial. 0 not checked. [2019-11-07 03:42:48,445 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1708942710] [2019-11-07 03:42:48,446 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 03:42:48,446 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-07 03:42:48,446 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [360281739] [2019-11-07 03:42:48,450 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-07 03:42:48,450 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 03:42:48,451 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-07 03:42:48,451 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-07 03:42:48,451 INFO L87 Difference]: Start difference. First operand 2185 states and 2884 transitions. Second operand 3 states. [2019-11-07 03:42:48,856 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 03:42:48,856 INFO L93 Difference]: Finished difference Result 5479 states and 7155 transitions. [2019-11-07 03:42:48,857 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-07 03:42:48,857 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 170 [2019-11-07 03:42:48,858 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 03:42:48,878 INFO L225 Difference]: With dead ends: 5479 [2019-11-07 03:42:48,878 INFO L226 Difference]: Without dead ends: 3345 [2019-11-07 03:42:48,887 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-07 03:42:48,892 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3345 states. [2019-11-07 03:42:49,029 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3345 to 3313. [2019-11-07 03:42:49,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3313 states. [2019-11-07 03:42:49,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3313 states to 3313 states and 4300 transitions. [2019-11-07 03:42:49,054 INFO L78 Accepts]: Start accepts. Automaton has 3313 states and 4300 transitions. Word has length 170 [2019-11-07 03:42:49,055 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 03:42:49,055 INFO L462 AbstractCegarLoop]: Abstraction has 3313 states and 4300 transitions. [2019-11-07 03:42:49,055 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-07 03:42:49,055 INFO L276 IsEmpty]: Start isEmpty. Operand 3313 states and 4300 transitions. [2019-11-07 03:42:49,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2019-11-07 03:42:49,064 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 03:42:49,064 INFO L410 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] [2019-11-07 03:42:49,065 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 03:42:49,065 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 03:42:49,065 INFO L82 PathProgramCache]: Analyzing trace with hash 1903521262, now seen corresponding path program 1 times [2019-11-07 03:42:49,066 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 03:42:49,066 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1283051621] [2019-11-07 03:42:49,066 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 03:42:49,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 03:42:49,431 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2019-11-07 03:42:49,432 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1283051621] [2019-11-07 03:42:49,432 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 03:42:49,432 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-07 03:42:49,433 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1885907220] [2019-11-07 03:42:49,433 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-07 03:42:49,433 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 03:42:49,434 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-07 03:42:49,434 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-07 03:42:49,434 INFO L87 Difference]: Start difference. First operand 3313 states and 4300 transitions. Second operand 3 states. [2019-11-07 03:42:49,534 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 03:42:49,534 INFO L93 Difference]: Finished difference Result 3315 states and 4301 transitions. [2019-11-07 03:42:49,535 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-07 03:42:49,535 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 186 [2019-11-07 03:42:49,536 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 03:42:49,555 INFO L225 Difference]: With dead ends: 3315 [2019-11-07 03:42:49,555 INFO L226 Difference]: Without dead ends: 3312 [2019-11-07 03:42:49,558 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-07 03:42:49,563 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3312 states. [2019-11-07 03:42:49,743 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3312 to 3312. [2019-11-07 03:42:49,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3312 states. [2019-11-07 03:42:49,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3312 states to 3312 states and 4298 transitions. [2019-11-07 03:42:49,768 INFO L78 Accepts]: Start accepts. Automaton has 3312 states and 4298 transitions. Word has length 186 [2019-11-07 03:42:49,769 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 03:42:49,769 INFO L462 AbstractCegarLoop]: Abstraction has 3312 states and 4298 transitions. [2019-11-07 03:42:49,769 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-07 03:42:49,769 INFO L276 IsEmpty]: Start isEmpty. Operand 3312 states and 4298 transitions. [2019-11-07 03:42:49,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2019-11-07 03:42:49,774 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 03:42:49,774 INFO L410 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] [2019-11-07 03:42:49,774 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 03:42:49,775 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 03:42:49,775 INFO L82 PathProgramCache]: Analyzing trace with hash -1121323256, now seen corresponding path program 1 times [2019-11-07 03:42:49,775 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 03:42:49,776 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1116936050] [2019-11-07 03:42:49,776 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 03:42:50,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 03:42:50,346 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2019-11-07 03:42:50,346 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1116936050] [2019-11-07 03:42:50,347 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 03:42:50,347 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-07 03:42:50,347 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1277391877] [2019-11-07 03:42:50,348 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-07 03:42:50,348 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 03:42:50,348 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-07 03:42:50,348 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-07 03:42:50,349 INFO L87 Difference]: Start difference. First operand 3312 states and 4298 transitions. Second operand 3 states. [2019-11-07 03:42:50,451 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 03:42:50,451 INFO L93 Difference]: Finished difference Result 3314 states and 4299 transitions. [2019-11-07 03:42:50,451 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-07 03:42:50,451 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 187 [2019-11-07 03:42:50,452 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 03:42:50,473 INFO L225 Difference]: With dead ends: 3314 [2019-11-07 03:42:50,474 INFO L226 Difference]: Without dead ends: 3311 [2019-11-07 03:42:50,476 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-07 03:42:50,481 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3311 states. [2019-11-07 03:42:50,631 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3311 to 3311. [2019-11-07 03:42:50,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3311 states. [2019-11-07 03:42:50,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3311 states to 3311 states and 4296 transitions. [2019-11-07 03:42:50,646 INFO L78 Accepts]: Start accepts. Automaton has 3311 states and 4296 transitions. Word has length 187 [2019-11-07 03:42:50,646 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 03:42:50,647 INFO L462 AbstractCegarLoop]: Abstraction has 3311 states and 4296 transitions. [2019-11-07 03:42:50,647 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-07 03:42:50,647 INFO L276 IsEmpty]: Start isEmpty. Operand 3311 states and 4296 transitions. [2019-11-07 03:42:50,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2019-11-07 03:42:50,650 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 03:42:50,650 INFO L410 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] [2019-11-07 03:42:50,650 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 03:42:50,650 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 03:42:50,650 INFO L82 PathProgramCache]: Analyzing trace with hash 1653963701, now seen corresponding path program 1 times [2019-11-07 03:42:50,651 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 03:42:50,651 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [184911851] [2019-11-07 03:42:50,651 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 03:42:50,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 03:42:50,952 INFO L134 CoverageAnalysis]: Checked inductivity of 378 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 378 trivial. 0 not checked. [2019-11-07 03:42:50,952 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [184911851] [2019-11-07 03:42:50,952 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 03:42:50,953 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-07 03:42:50,953 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1610146131] [2019-11-07 03:42:50,953 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-07 03:42:50,954 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 03:42:50,954 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-07 03:42:50,954 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-07 03:42:50,954 INFO L87 Difference]: Start difference. First operand 3311 states and 4296 transitions. Second operand 3 states. [2019-11-07 03:42:51,571 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 03:42:51,571 INFO L93 Difference]: Finished difference Result 8202 states and 10659 transitions. [2019-11-07 03:42:51,571 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-07 03:42:51,571 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 194 [2019-11-07 03:42:51,572 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 03:42:51,615 INFO L225 Difference]: With dead ends: 8202 [2019-11-07 03:42:51,616 INFO L226 Difference]: Without dead ends: 4948 [2019-11-07 03:42:51,643 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-07 03:42:51,652 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4948 states. [2019-11-07 03:42:51,922 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4948 to 4903. [2019-11-07 03:42:51,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4903 states. [2019-11-07 03:42:51,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4903 states to 4903 states and 6378 transitions. [2019-11-07 03:42:51,946 INFO L78 Accepts]: Start accepts. Automaton has 4903 states and 6378 transitions. Word has length 194 [2019-11-07 03:42:51,947 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 03:42:51,947 INFO L462 AbstractCegarLoop]: Abstraction has 4903 states and 6378 transitions. [2019-11-07 03:42:51,947 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-07 03:42:51,947 INFO L276 IsEmpty]: Start isEmpty. Operand 4903 states and 6378 transitions. [2019-11-07 03:42:51,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2019-11-07 03:42:51,950 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 03:42:51,950 INFO L410 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] [2019-11-07 03:42:51,951 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 03:42:51,951 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 03:42:51,951 INFO L82 PathProgramCache]: Analyzing trace with hash -402217935, now seen corresponding path program 1 times [2019-11-07 03:42:51,958 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 03:42:51,958 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2094770865] [2019-11-07 03:42:51,958 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 03:42:52,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 03:42:53,062 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2019-11-07 03:42:53,062 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2094770865] [2019-11-07 03:42:53,062 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 03:42:53,063 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-07 03:42:53,063 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2004500031] [2019-11-07 03:42:53,064 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-07 03:42:53,064 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 03:42:53,064 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-07 03:42:53,065 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-07 03:42:53,065 INFO L87 Difference]: Start difference. First operand 4903 states and 6378 transitions. Second operand 3 states. [2019-11-07 03:42:53,231 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 03:42:53,231 INFO L93 Difference]: Finished difference Result 4905 states and 6379 transitions. [2019-11-07 03:42:53,232 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-07 03:42:53,232 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 188 [2019-11-07 03:42:53,232 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 03:42:53,264 INFO L225 Difference]: With dead ends: 4905 [2019-11-07 03:42:53,264 INFO L226 Difference]: Without dead ends: 4902 [2019-11-07 03:42:53,267 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-07 03:42:53,275 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4902 states. [2019-11-07 03:42:53,509 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4902 to 4902. [2019-11-07 03:42:53,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4902 states. [2019-11-07 03:42:53,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4902 states to 4902 states and 6376 transitions. [2019-11-07 03:42:53,532 INFO L78 Accepts]: Start accepts. Automaton has 4902 states and 6376 transitions. Word has length 188 [2019-11-07 03:42:53,532 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 03:42:53,532 INFO L462 AbstractCegarLoop]: Abstraction has 4902 states and 6376 transitions. [2019-11-07 03:42:53,533 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-07 03:42:53,533 INFO L276 IsEmpty]: Start isEmpty. Operand 4902 states and 6376 transitions. [2019-11-07 03:42:53,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2019-11-07 03:42:53,536 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 03:42:53,536 INFO L410 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] [2019-11-07 03:42:53,537 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 03:42:53,537 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 03:42:53,537 INFO L82 PathProgramCache]: Analyzing trace with hash 415215403, now seen corresponding path program 1 times [2019-11-07 03:42:53,537 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 03:42:53,537 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1546673648] [2019-11-07 03:42:53,538 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 03:42:53,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 03:42:53,932 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2019-11-07 03:42:53,932 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1546673648] [2019-11-07 03:42:53,933 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 03:42:53,933 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-07 03:42:53,933 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [821584515] [2019-11-07 03:42:53,934 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-07 03:42:53,934 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 03:42:53,934 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-07 03:42:53,935 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-07 03:42:53,935 INFO L87 Difference]: Start difference. First operand 4902 states and 6376 transitions. Second operand 3 states. [2019-11-07 03:42:54,443 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 03:42:54,443 INFO L93 Difference]: Finished difference Result 13881 states and 18008 transitions. [2019-11-07 03:42:54,443 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-07 03:42:54,444 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 189 [2019-11-07 03:42:54,444 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 03:42:54,498 INFO L225 Difference]: With dead ends: 13881 [2019-11-07 03:42:54,498 INFO L226 Difference]: Without dead ends: 9036 [2019-11-07 03:42:54,516 INFO L630 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 [2019-11-07 03:42:54,528 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9036 states. [2019-11-07 03:42:54,988 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9036 to 9013. [2019-11-07 03:42:54,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9013 states. [2019-11-07 03:42:55,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9013 states to 9013 states and 11657 transitions. [2019-11-07 03:42:55,036 INFO L78 Accepts]: Start accepts. Automaton has 9013 states and 11657 transitions. Word has length 189 [2019-11-07 03:42:55,037 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 03:42:55,037 INFO L462 AbstractCegarLoop]: Abstraction has 9013 states and 11657 transitions. [2019-11-07 03:42:55,037 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-07 03:42:55,037 INFO L276 IsEmpty]: Start isEmpty. Operand 9013 states and 11657 transitions. [2019-11-07 03:42:55,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2019-11-07 03:42:55,040 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 03:42:55,040 INFO L410 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] [2019-11-07 03:42:55,040 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 03:42:55,041 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 03:42:55,041 INFO L82 PathProgramCache]: Analyzing trace with hash -14150028, now seen corresponding path program 1 times [2019-11-07 03:42:55,041 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 03:42:55,041 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [182042311] [2019-11-07 03:42:55,041 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 03:42:55,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 03:42:55,360 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2019-11-07 03:42:55,360 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [182042311] [2019-11-07 03:42:55,360 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 03:42:55,361 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-07 03:42:55,361 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [541410462] [2019-11-07 03:42:55,361 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-07 03:42:55,362 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 03:42:55,362 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-07 03:42:55,362 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-07 03:42:55,362 INFO L87 Difference]: Start difference. First operand 9013 states and 11657 transitions. Second operand 3 states. [2019-11-07 03:42:55,659 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 03:42:55,659 INFO L93 Difference]: Finished difference Result 9783 states and 12317 transitions. [2019-11-07 03:42:55,660 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-07 03:42:55,660 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 190 [2019-11-07 03:42:55,661 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 03:42:55,719 INFO L225 Difference]: With dead ends: 9783 [2019-11-07 03:42:55,720 INFO L226 Difference]: Without dead ends: 9779 [2019-11-07 03:42:55,727 INFO L630 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 [2019-11-07 03:42:55,743 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9779 states. [2019-11-07 03:42:56,390 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9779 to 9773. [2019-11-07 03:42:56,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9773 states. [2019-11-07 03:42:56,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9773 states to 9773 states and 12296 transitions. [2019-11-07 03:42:56,431 INFO L78 Accepts]: Start accepts. Automaton has 9773 states and 12296 transitions. Word has length 190 [2019-11-07 03:42:56,432 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 03:42:56,432 INFO L462 AbstractCegarLoop]: Abstraction has 9773 states and 12296 transitions. [2019-11-07 03:42:56,432 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-07 03:42:56,432 INFO L276 IsEmpty]: Start isEmpty. Operand 9773 states and 12296 transitions. [2019-11-07 03:42:56,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2019-11-07 03:42:56,435 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 03:42:56,435 INFO L410 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, 1] [2019-11-07 03:42:56,436 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 03:42:56,436 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 03:42:56,436 INFO L82 PathProgramCache]: Analyzing trace with hash -439571634, now seen corresponding path program 1 times [2019-11-07 03:42:56,436 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 03:42:56,437 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [982773440] [2019-11-07 03:42:56,437 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 03:42:56,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 03:42:56,832 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2019-11-07 03:42:56,832 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [982773440] [2019-11-07 03:42:56,832 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 03:42:56,833 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-07 03:42:56,833 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1194226824] [2019-11-07 03:42:56,834 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-07 03:42:56,834 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 03:42:56,834 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-07 03:42:56,834 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-07 03:42:56,835 INFO L87 Difference]: Start difference. First operand 9773 states and 12296 transitions. Second operand 3 states. [2019-11-07 03:42:57,654 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 03:42:57,655 INFO L93 Difference]: Finished difference Result 27035 states and 34158 transitions. [2019-11-07 03:42:57,655 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-07 03:42:57,655 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 191 [2019-11-07 03:42:57,656 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 03:42:57,737 INFO L225 Difference]: With dead ends: 27035 [2019-11-07 03:42:57,738 INFO L226 Difference]: Without dead ends: 17301 [2019-11-07 03:42:57,780 INFO L630 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 [2019-11-07 03:42:57,808 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17301 states.