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 -i ../../../trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--usb--class--cdc-wdm.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-13a467a-m [2019-10-14 23:03:56,829 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-14 23:03:56,832 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-14 23:03:56,852 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-14 23:03:56,853 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-14 23:03:56,855 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-14 23:03:56,857 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-14 23:03:56,867 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-14 23:03:56,870 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-14 23:03:56,874 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-14 23:03:56,876 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-14 23:03:56,877 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-14 23:03:56,878 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-14 23:03:56,880 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-14 23:03:56,882 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-14 23:03:56,884 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-14 23:03:56,885 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-14 23:03:56,886 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-14 23:03:56,888 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-14 23:03:56,893 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-14 23:03:56,897 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-14 23:03:56,900 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-14 23:03:56,902 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-14 23:03:56,903 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-14 23:03:56,904 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-14 23:03:56,905 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-14 23:03:56,905 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-14 23:03:56,906 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-14 23:03:56,906 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-14 23:03:56,907 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-14 23:03:56,907 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-14 23:03:56,908 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-14 23:03:56,909 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-14 23:03:56,910 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-14 23:03:56,910 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-14 23:03:56,911 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-14 23:03:56,911 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-14 23:03:56,912 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-14 23:03:56,912 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-14 23:03:56,913 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-14 23:03:56,913 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-14 23:03:56,914 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-14 23:03:56,929 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-14 23:03:56,929 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-14 23:03:56,930 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-14 23:03:56,931 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-14 23:03:56,931 INFO L138 SettingsManager]: * Use SBE=true [2019-10-14 23:03:56,931 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-14 23:03:56,931 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-14 23:03:56,932 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-14 23:03:56,932 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-14 23:03:56,932 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-14 23:03:56,932 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-14 23:03:56,932 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-14 23:03:56,933 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-14 23:03:56,933 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-14 23:03:56,933 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-14 23:03:56,933 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-14 23:03:56,933 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-14 23:03:56,934 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-14 23:03:56,934 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-14 23:03:56,934 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-14 23:03:56,934 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-14 23:03:56,934 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-14 23:03:56,935 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-14 23:03:56,935 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-14 23:03:56,935 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-14 23:03:56,935 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-14 23:03:56,936 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-14 23:03:56,936 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-14 23:03:56,936 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-14 23:03:57,212 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-14 23:03:57,224 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-14 23:03:57,227 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-14 23:03:57,229 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-14 23:03:57,229 INFO L275 PluginConnector]: CDTParser initialized [2019-10-14 23:03:57,230 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--usb--class--cdc-wdm.ko-entry_point.cil.out.i [2019-10-14 23:03:57,301 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/84d7d07d0/9e007897b1474b0d93bdec9edfb868c6/FLAGd93c439fe [2019-10-14 23:03:58,097 INFO L306 CDTParser]: Found 1 translation units. [2019-10-14 23:03:58,098 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--usb--class--cdc-wdm.ko-entry_point.cil.out.i [2019-10-14 23:03:58,142 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/84d7d07d0/9e007897b1474b0d93bdec9edfb868c6/FLAGd93c439fe [2019-10-14 23:03:58,656 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/84d7d07d0/9e007897b1474b0d93bdec9edfb868c6 [2019-10-14 23:03:58,667 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-14 23:03:58,669 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-14 23:03:58,670 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-14 23:03:58,670 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-14 23:03:58,673 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-14 23:03:58,674 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 11:03:58" (1/1) ... [2019-10-14 23:03:58,677 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1e394a43 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:03:58, skipping insertion in model container [2019-10-14 23:03:58,677 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 11:03:58" (1/1) ... [2019-10-14 23:03:58,685 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-14 23:03:58,821 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-14 23:04:01,236 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-14 23:04:01,293 INFO L188 MainTranslator]: Completed pre-run [2019-10-14 23:04:01,623 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-14 23:04:02,196 INFO L192 MainTranslator]: Completed translation [2019-10-14 23:04:02,197 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:04:02 WrapperNode [2019-10-14 23:04:02,198 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-14 23:04:02,199 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-14 23:04:02,199 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-14 23:04:02,200 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-14 23:04:02,216 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:04:02" (1/1) ... [2019-10-14 23:04:02,217 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:04:02" (1/1) ... [2019-10-14 23:04:02,316 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:04:02" (1/1) ... [2019-10-14 23:04:02,324 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:04:02" (1/1) ... [2019-10-14 23:04:02,430 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:04:02" (1/1) ... [2019-10-14 23:04:02,467 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:04:02" (1/1) ... [2019-10-14 23:04:02,503 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:04:02" (1/1) ... [2019-10-14 23:04:02,562 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-14 23:04:02,564 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-14 23:04:02,564 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-14 23:04:02,564 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-14 23:04:02,565 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:04:02" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-14 23:04:02,626 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-14 23:04:02,627 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-14 23:04:02,627 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~VOID [2019-10-14 23:04:02,627 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~int [2019-10-14 23:04:02,627 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2019-10-14 23:04:02,628 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2019-10-14 23:04:02,628 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2019-10-14 23:04:02,629 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2019-10-14 23:04:02,630 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2019-10-14 23:04:02,630 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2019-10-14 23:04:02,630 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-10-14 23:04:02,631 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-10-14 23:04:02,631 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2019-10-14 23:04:02,631 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2019-10-14 23:04:02,632 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2019-10-14 23:04:02,633 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ptr [2019-10-14 23:04:02,635 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2019-10-14 23:04:02,635 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2019-10-14 23:04:02,635 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2019-10-14 23:04:02,636 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2019-10-14 23:04:02,636 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2019-10-14 23:04:02,637 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2019-10-14 23:04:02,637 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2019-10-14 23:04:02,637 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2019-10-14 23:04:02,637 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2019-10-14 23:04:02,639 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work [2019-10-14 23:04:02,639 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2019-10-14 23:04:02,640 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2019-10-14 23:04:02,640 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2019-10-14 23:04:02,640 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2019-10-14 23:04:02,640 INFO L138 BoogieDeclarations]: Found implementation of procedure kobject_name [2019-10-14 23:04:02,640 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2019-10-14 23:04:02,640 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2019-10-14 23:04:02,640 INFO L138 BoogieDeclarations]: Found implementation of procedure iminor [2019-10-14 23:04:02,641 INFO L138 BoogieDeclarations]: Found implementation of procedure poll_wait [2019-10-14 23:04:02,641 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_dir_in [2019-10-14 23:04:02,641 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_xfer_int [2019-10-14 23:04:02,641 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_is_int_in [2019-10-14 23:04:02,641 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_maxp [2019-10-14 23:04:02,641 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2019-10-14 23:04:02,641 INFO L138 BoogieDeclarations]: Found implementation of procedure pm_runtime_mark_last_busy [2019-10-14 23:04:02,642 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2019-10-14 23:04:02,642 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_mark_last_busy [2019-10-14 23:04:02,642 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_control_urb [2019-10-14 23:04:02,642 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_int_urb [2019-10-14 23:04:02,642 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2019-10-14 23:04:02,642 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_translate_errors [2019-10-14 23:04:02,642 INFO L138 BoogieDeclarations]: Found implementation of procedure wdm_find_device [2019-10-14 23:04:02,643 INFO L138 BoogieDeclarations]: Found implementation of procedure wdm_find_device_by_minor [2019-10-14 23:04:02,643 INFO L138 BoogieDeclarations]: Found implementation of procedure wdm_out_callback [2019-10-14 23:04:02,643 INFO L138 BoogieDeclarations]: Found implementation of procedure wdm_in_callback [2019-10-14 23:04:02,643 INFO L138 BoogieDeclarations]: Found implementation of procedure wdm_int_callback [2019-10-14 23:04:02,643 INFO L138 BoogieDeclarations]: Found implementation of procedure kill_urbs [2019-10-14 23:04:02,643 INFO L138 BoogieDeclarations]: Found implementation of procedure free_urbs [2019-10-14 23:04:02,643 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-14 23:04:02,644 INFO L138 BoogieDeclarations]: Found implementation of procedure wdm_write [2019-10-14 23:04:02,644 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_wdm_read_flag [2019-10-14 23:04:02,644 INFO L138 BoogieDeclarations]: Found implementation of procedure wdm_read [2019-10-14 23:04:02,644 INFO L138 BoogieDeclarations]: Found implementation of procedure wdm_flush [2019-10-14 23:04:02,645 INFO L138 BoogieDeclarations]: Found implementation of procedure wdm_poll [2019-10-14 23:04:02,645 INFO L138 BoogieDeclarations]: Found implementation of procedure wdm_open [2019-10-14 23:04:02,645 INFO L138 BoogieDeclarations]: Found implementation of procedure wdm_release [2019-10-14 23:04:02,645 INFO L138 BoogieDeclarations]: Found implementation of procedure wdm_ioctl [2019-10-14 23:04:02,645 INFO L138 BoogieDeclarations]: Found implementation of procedure wdm_rxwork [2019-10-14 23:04:02,645 INFO L138 BoogieDeclarations]: Found implementation of procedure wdm_create [2019-10-14 23:04:02,646 INFO L138 BoogieDeclarations]: Found implementation of procedure wdm_manage_power [2019-10-14 23:04:02,646 INFO L138 BoogieDeclarations]: Found implementation of procedure wdm_probe [2019-10-14 23:04:02,646 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_cdc_wdm_register [2019-10-14 23:04:02,646 INFO L138 BoogieDeclarations]: Found implementation of procedure wdm_disconnect [2019-10-14 23:04:02,646 INFO L138 BoogieDeclarations]: Found implementation of procedure wdm_suspend [2019-10-14 23:04:02,647 INFO L138 BoogieDeclarations]: Found implementation of procedure recover_from_urb_loss [2019-10-14 23:04:02,647 INFO L138 BoogieDeclarations]: Found implementation of procedure wdm_resume [2019-10-14 23:04:02,647 INFO L138 BoogieDeclarations]: Found implementation of procedure wdm_pre_reset [2019-10-14 23:04:02,647 INFO L138 BoogieDeclarations]: Found implementation of procedure wdm_post_reset [2019-10-14 23:04:02,648 INFO L138 BoogieDeclarations]: Found implementation of procedure wdm_driver_init [2019-10-14 23:04:02,648 INFO L138 BoogieDeclarations]: Found implementation of procedure wdm_driver_exit [2019-10-14 23:04:02,648 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_all_1 [2019-10-14 23:04:02,648 INFO L138 BoogieDeclarations]: Found implementation of procedure invoke_work_1 [2019-10-14 23:04:02,648 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_driver_2 [2019-10-14 23:04:02,649 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_file_operations_3 [2019-10-14 23:04:02,649 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_work_1 [2019-10-14 23:04:02,649 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_work_1 [2019-10-14 23:04:02,650 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_1 [2019-10-14 23:04:02,650 INFO L138 BoogieDeclarations]: Found implementation of procedure work_init_1 [2019-10-14 23:04:02,650 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-14 23:04:02,650 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2019-10-14 23:04:02,650 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_queue_work_on_5 [2019-10-14 23:04:02,651 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_queue_delayed_work_on_6 [2019-10-14 23:04:02,652 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_queue_work_on_7 [2019-10-14 23:04:02,652 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_flush_workqueue_8 [2019-10-14 23:04:02,653 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_queue_delayed_work_on_9 [2019-10-14 23:04:02,653 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_10 [2019-10-14 23:04:02,653 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_11 [2019-10-14 23:04:02,654 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_12 [2019-10-14 23:04:02,654 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_13 [2019-10-14 23:04:02,654 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_14 [2019-10-14 23:04:02,654 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_15 [2019-10-14 23:04:02,654 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_16 [2019-10-14 23:04:02,654 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_17 [2019-10-14 23:04:02,655 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_18 [2019-10-14 23:04:02,655 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_19 [2019-10-14 23:04:02,655 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_20 [2019-10-14 23:04:02,655 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_21 [2019-10-14 23:04:02,655 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_22 [2019-10-14 23:04:02,655 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_23 [2019-10-14 23:04:02,655 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_24 [2019-10-14 23:04:02,656 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_25 [2019-10-14 23:04:02,656 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_26 [2019-10-14 23:04:02,656 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_27 [2019-10-14 23:04:02,656 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_28 [2019-10-14 23:04:02,656 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_29 [2019-10-14 23:04:02,656 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_30 [2019-10-14 23:04:02,656 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_31 [2019-10-14 23:04:02,657 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_32 [2019-10-14 23:04:02,657 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_cancel_work_sync_33 [2019-10-14 23:04:02,657 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_34 [2019-10-14 23:04:02,657 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_35 [2019-10-14 23:04:02,657 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_36 [2019-10-14 23:04:02,658 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_37 [2019-10-14 23:04:02,658 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_38 [2019-10-14 23:04:02,658 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_cancel_work_sync_39 [2019-10-14 23:04:02,658 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_40 [2019-10-14 23:04:02,659 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_41 [2019-10-14 23:04:02,659 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_42 [2019-10-14 23:04:02,660 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_43 [2019-10-14 23:04:02,660 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_cancel_work_sync_44 [2019-10-14 23:04:02,660 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_45 [2019-10-14 23:04:02,660 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_46 [2019-10-14 23:04:02,660 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_register_driver_47 [2019-10-14 23:04:02,660 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_deregister_48 [2019-10-14 23:04:02,660 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2019-10-14 23:04:02,661 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int_negative [2019-10-14 23:04:02,661 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2019-10-14 23:04:02,661 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2019-10-14 23:04:02,661 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2019-10-14 23:04:02,661 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2019-10-14 23:04:02,661 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_i_mutex_of_inode [2019-10-14 23:04:02,662 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_i_mutex_of_inode [2019-10-14 23:04:02,662 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_i_mutex_of_inode [2019-10-14 23:04:02,662 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_i_mutex_of_inode [2019-10-14 23:04:02,662 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_i_mutex_of_inode [2019-10-14 23:04:02,662 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_i_mutex_of_inode [2019-10-14 23:04:02,662 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_i_mutex_of_inode [2019-10-14 23:04:02,663 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_i_mutex_of_inode [2019-10-14 23:04:02,663 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_trylock_device_i_mutex_of_inode [2019-10-14 23:04:02,663 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_for_reset_i_mutex_of_inode [2019-10-14 23:04:02,663 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_unlock_device_i_mutex_of_inode [2019-10-14 23:04:02,663 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_lock [2019-10-14 23:04:02,663 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_lock [2019-10-14 23:04:02,663 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock [2019-10-14 23:04:02,664 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_lock [2019-10-14 23:04:02,664 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_lock [2019-10-14 23:04:02,664 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_lock [2019-10-14 23:04:02,664 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock [2019-10-14 23:04:02,664 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_lock [2019-10-14 23:04:02,664 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_trylock_device_lock [2019-10-14 23:04:02,665 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_for_reset_lock [2019-10-14 23:04:02,665 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_unlock_device_lock [2019-10-14 23:04:02,665 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_mutex_of_device [2019-10-14 23:04:02,665 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_mutex_of_device [2019-10-14 23:04:02,665 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mutex_of_device [2019-10-14 23:04:02,665 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_mutex_of_device [2019-10-14 23:04:02,665 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2019-10-14 23:04:02,666 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_mutex_of_device [2019-10-14 23:04:02,666 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex_of_device [2019-10-14 23:04:02,666 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_mutex_of_device [2019-10-14 23:04:02,666 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_trylock_device_mutex_of_device [2019-10-14 23:04:02,666 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_for_reset_mutex_of_device [2019-10-14 23:04:02,666 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_unlock_device_mutex_of_device [2019-10-14 23:04:02,666 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_rlock_of_wdm_device [2019-10-14 23:04:02,666 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_rlock_of_wdm_device [2019-10-14 23:04:02,667 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_rlock_of_wdm_device [2019-10-14 23:04:02,667 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_rlock_of_wdm_device [2019-10-14 23:04:02,667 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_rlock_of_wdm_device [2019-10-14 23:04:02,667 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_rlock_of_wdm_device [2019-10-14 23:04:02,667 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_rlock_of_wdm_device [2019-10-14 23:04:02,667 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_rlock_of_wdm_device [2019-10-14 23:04:02,667 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_trylock_device_rlock_of_wdm_device [2019-10-14 23:04:02,668 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_for_reset_rlock_of_wdm_device [2019-10-14 23:04:02,668 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_unlock_device_rlock_of_wdm_device [2019-10-14 23:04:02,668 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_wdm_mutex [2019-10-14 23:04:02,668 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_wdm_mutex [2019-10-14 23:04:02,668 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_wdm_mutex [2019-10-14 23:04:02,668 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_wdm_mutex [2019-10-14 23:04:02,668 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_wdm_mutex [2019-10-14 23:04:02,669 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_wdm_mutex [2019-10-14 23:04:02,669 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_wdm_mutex [2019-10-14 23:04:02,669 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_wdm_mutex [2019-10-14 23:04:02,669 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_trylock_device_wdm_mutex [2019-10-14 23:04:02,669 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_for_reset_wdm_mutex [2019-10-14 23:04:02,669 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_unlock_device_wdm_mutex [2019-10-14 23:04:02,669 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_wlock_of_wdm_device [2019-10-14 23:04:02,670 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_wlock_of_wdm_device [2019-10-14 23:04:02,670 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_wlock_of_wdm_device [2019-10-14 23:04:02,670 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_wlock_of_wdm_device [2019-10-14 23:04:02,670 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_wlock_of_wdm_device [2019-10-14 23:04:02,670 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_wlock_of_wdm_device [2019-10-14 23:04:02,670 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_wlock_of_wdm_device [2019-10-14 23:04:02,670 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_wlock_of_wdm_device [2019-10-14 23:04:02,671 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_trylock_device_wlock_of_wdm_device [2019-10-14 23:04:02,671 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_for_reset_wlock_of_wdm_device [2019-10-14 23:04:02,671 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_unlock_device_wlock_of_wdm_device [2019-10-14 23:04:02,671 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-10-14 23:04:02,671 INFO L138 BoogieDeclarations]: Found implementation of procedure __copy_from_user_overflow [2019-10-14 23:04:02,671 INFO L138 BoogieDeclarations]: Found implementation of procedure __copy_to_user_overflow [2019-10-14 23:04:02,671 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_dev_dbg [2019-10-14 23:04:02,672 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_pr_debug [2019-10-14 23:04:02,672 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2019-10-14 23:04:02,672 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2019-10-14 23:04:02,672 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2019-10-14 23:04:02,672 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_fault [2019-10-14 23:04:02,672 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_sleep [2019-10-14 23:04:02,672 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2019-10-14 23:04:02,672 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2019-10-14 23:04:02,673 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2019-10-14 23:04:02,673 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2019-10-14 23:04:02,673 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2019-10-14 23:04:02,673 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2019-10-14 23:04:02,673 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock [2019-10-14 23:04:02,673 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irq [2019-10-14 23:04:02,673 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2019-10-14 23:04:02,674 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock [2019-10-14 23:04:02,674 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irq [2019-10-14 23:04:02,674 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irqrestore [2019-10-14 23:04:02,674 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2019-10-14 23:04:02,674 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2019-10-14 23:04:02,674 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2019-10-14 23:04:02,674 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_workqueue [2019-10-14 23:04:02,675 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-10-14 23:04:02,675 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2019-10-14 23:04:02,675 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2019-10-14 23:04:02,675 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2019-10-14 23:04:02,675 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_interruptible [2019-10-14 23:04:02,675 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_trylock [2019-10-14 23:04:02,675 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2019-10-14 23:04:02,676 INFO L138 BoogieDeclarations]: Found implementation of procedure noop_llseek [2019-10-14 23:04:02,676 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait_event [2019-10-14 23:04:02,676 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work_on [2019-10-14 23:04:02,676 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2019-10-14 23:04:02,676 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2019-10-14 23:04:02,676 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2019-10-14 23:04:02,676 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_get_interface [2019-10-14 23:04:02,676 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_put_interface [2019-10-14 23:04:02,677 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_deregister [2019-10-14 23:04:02,677 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_deregister_dev [2019-10-14 23:04:02,677 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2019-10-14 23:04:02,677 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2019-10-14 23:04:02,677 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register_dev [2019-10-14 23:04:02,677 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register_driver [2019-10-14 23:04:02,677 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2019-10-14 23:04:02,678 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-10-14 23:04:02,678 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-10-14 23:04:02,678 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-10-14 23:04:02,678 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-10-14 23:04:02,678 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove [2019-10-14 23:04:02,678 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-14 23:04:02,679 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2019-10-14 23:04:02,679 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2019-10-14 23:04:02,679 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2019-10-14 23:04:02,679 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2019-10-14 23:04:02,679 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2019-10-14 23:04:02,679 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-14 23:04:02,679 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_pr_debug [2019-10-14 23:04:02,679 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_dev_dbg [2019-10-14 23:04:02,680 INFO L130 BoogieDeclarations]: Found specification of procedure __might_sleep [2019-10-14 23:04:02,680 INFO L130 BoogieDeclarations]: Found specification of procedure __might_fault [2019-10-14 23:04:02,680 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2019-10-14 23:04:02,680 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2019-10-14 23:04:02,680 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-14 23:04:02,680 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2019-10-14 23:04:02,680 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2019-10-14 23:04:02,681 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-14 23:04:02,681 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2019-10-14 23:04:02,681 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-10-14 23:04:02,681 INFO L130 BoogieDeclarations]: Found specification of procedure memmove [2019-10-14 23:04:02,681 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2019-10-14 23:04:02,681 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2019-10-14 23:04:02,682 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2019-10-14 23:04:02,682 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_trylock [2019-10-14 23:04:02,682 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_15 [2019-10-14 23:04:02,682 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2019-10-14 23:04:02,682 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_11 [2019-10-14 23:04:02,682 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_12 [2019-10-14 23:04:02,682 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_16 [2019-10-14 23:04:02,683 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_18 [2019-10-14 23:04:02,683 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_19 [2019-10-14 23:04:02,683 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_21 [2019-10-14 23:04:02,683 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_24 [2019-10-14 23:04:02,683 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_25 [2019-10-14 23:04:02,683 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_28 [2019-10-14 23:04:02,684 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_29 [2019-10-14 23:04:02,684 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_34 [2019-10-14 23:04:02,684 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_35 [2019-10-14 23:04:02,684 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_36 [2019-10-14 23:04:02,684 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_40 [2019-10-14 23:04:02,684 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_41 [2019-10-14 23:04:02,684 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_45 [2019-10-14 23:04:02,684 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_46 [2019-10-14 23:04:02,685 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-14 23:04:02,685 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-10-14 23:04:02,685 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-14 23:04:02,685 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-10-14 23:04:02,685 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-10-14 23:04:02,685 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-10-14 23:04:02,686 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-10-14 23:04:02,686 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-14 23:04:02,686 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-10-14 23:04:02,686 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-10-14 23:04:02,686 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2019-10-14 23:04:02,686 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2019-10-14 23:04:02,687 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-10-14 23:04:02,687 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2019-10-14 23:04:02,687 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ptr [2019-10-14 23:04:02,687 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2019-10-14 23:04:02,687 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2019-10-14 23:04:02,687 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_interruptible [2019-10-14 23:04:02,687 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_17 [2019-10-14 23:04:02,688 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_20 [2019-10-14 23:04:02,688 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2019-10-14 23:04:02,688 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_10 [2019-10-14 23:04:02,688 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_13 [2019-10-14 23:04:02,688 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_14 [2019-10-14 23:04:02,688 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_22 [2019-10-14 23:04:02,688 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_23 [2019-10-14 23:04:02,689 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_26 [2019-10-14 23:04:02,689 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_27 [2019-10-14 23:04:02,689 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_30 [2019-10-14 23:04:02,689 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_31 [2019-10-14 23:04:02,689 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_32 [2019-10-14 23:04:02,689 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_37 [2019-10-14 23:04:02,689 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_38 [2019-10-14 23:04:02,690 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_42 [2019-10-14 23:04:02,690 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_43 [2019-10-14 23:04:02,690 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_i_mutex_of_inode [2019-10-14 23:04:02,690 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_i_mutex_of_inode [2019-10-14 23:04:02,690 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock [2019-10-14 23:04:02,690 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock [2019-10-14 23:04:02,690 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mutex_of_device [2019-10-14 23:04:02,690 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_mutex_of_device [2019-10-14 23:04:02,691 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex_of_device [2019-10-14 23:04:02,691 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_rlock_of_wdm_device [2019-10-14 23:04:02,691 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_rlock_of_wdm_device [2019-10-14 23:04:02,691 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_rlock_of_wdm_device [2019-10-14 23:04:02,691 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_wdm_mutex [2019-10-14 23:04:02,691 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_wdm_mutex [2019-10-14 23:04:02,691 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_wlock_of_wdm_device [2019-10-14 23:04:02,692 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_wlock_of_wdm_device [2019-10-14 23:04:02,692 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_wlock_of_wdm_device [2019-10-14 23:04:02,692 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2019-10-14 23:04:02,692 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock [2019-10-14 23:04:02,692 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irq [2019-10-14 23:04:02,692 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2019-10-14 23:04:02,692 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock [2019-10-14 23:04:02,693 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irq [2019-10-14 23:04:02,693 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore [2019-10-14 23:04:02,693 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2019-10-14 23:04:02,693 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2019-10-14 23:04:02,693 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2019-10-14 23:04:02,693 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2019-10-14 23:04:02,693 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2019-10-14 23:04:02,694 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2019-10-14 23:04:02,694 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2019-10-14 23:04:02,694 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2019-10-14 23:04:02,694 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait_event [2019-10-14 23:04:02,694 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2019-10-14 23:04:02,694 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2019-10-14 23:04:02,694 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2019-10-14 23:04:02,694 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_queue_work_on_5 [2019-10-14 23:04:02,695 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_queue_work_on_7 [2019-10-14 23:04:02,695 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work_on [2019-10-14 23:04:02,695 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_queue_delayed_work_on_6 [2019-10-14 23:04:02,695 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_queue_delayed_work_on_9 [2019-10-14 23:04:02,695 INFO L130 BoogieDeclarations]: Found specification of procedure flush_workqueue [2019-10-14 23:04:02,695 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_flush_workqueue_8 [2019-10-14 23:04:02,695 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2019-10-14 23:04:02,696 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_cancel_work_sync_33 [2019-10-14 23:04:02,696 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_cancel_work_sync_39 [2019-10-14 23:04:02,696 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_cancel_work_sync_44 [2019-10-14 23:04:02,696 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work [2019-10-14 23:04:02,696 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2019-10-14 23:04:02,696 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2019-10-14 23:04:02,696 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-10-14 23:04:02,696 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2019-10-14 23:04:02,697 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2019-10-14 23:04:02,697 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2019-10-14 23:04:02,697 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_all_1 [2019-10-14 23:04:02,697 INFO L130 BoogieDeclarations]: Found specification of procedure invoke_work_1 [2019-10-14 23:04:02,697 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_driver_2 [2019-10-14 23:04:02,697 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_file_operations_3 [2019-10-14 23:04:02,697 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_work_1 [2019-10-14 23:04:02,698 INFO L130 BoogieDeclarations]: Found specification of procedure disable_work_1 [2019-10-14 23:04:02,698 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_1 [2019-10-14 23:04:02,698 INFO L130 BoogieDeclarations]: Found specification of procedure work_init_1 [2019-10-14 23:04:02,698 INFO L130 BoogieDeclarations]: Found specification of procedure kobject_name [2019-10-14 23:04:02,698 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2019-10-14 23:04:02,698 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2019-10-14 23:04:02,698 INFO L130 BoogieDeclarations]: Found specification of procedure __copy_from_user_overflow [2019-10-14 23:04:02,699 INFO L130 BoogieDeclarations]: Found specification of procedure __copy_to_user_overflow [2019-10-14 23:04:02,699 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2019-10-14 23:04:02,699 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-14 23:04:02,699 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2019-10-14 23:04:02,699 INFO L130 BoogieDeclarations]: Found specification of procedure iminor [2019-10-14 23:04:02,699 INFO L130 BoogieDeclarations]: Found specification of procedure noop_llseek [2019-10-14 23:04:02,700 INFO L130 BoogieDeclarations]: Found specification of procedure poll_wait [2019-10-14 23:04:02,700 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~VOID [2019-10-14 23:04:02,700 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_dir_in [2019-10-14 23:04:02,700 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_xfer_int [2019-10-14 23:04:02,700 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_is_int_in [2019-10-14 23:04:02,700 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_maxp [2019-10-14 23:04:02,701 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2019-10-14 23:04:02,701 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2019-10-14 23:04:02,701 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2019-10-14 23:04:02,701 INFO L130 BoogieDeclarations]: Found specification of procedure pm_runtime_mark_last_busy [2019-10-14 23:04:02,701 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-14 23:04:02,701 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2019-10-14 23:04:02,701 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_get_interface [2019-10-14 23:04:02,702 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_put_interface [2019-10-14 23:04:02,702 INFO L130 BoogieDeclarations]: Found specification of procedure usb_mark_last_busy [2019-10-14 23:04:02,702 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register_driver [2019-10-14 23:04:02,702 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_register_driver_47 [2019-10-14 23:04:02,702 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister [2019-10-14 23:04:02,702 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_deregister_48 [2019-10-14 23:04:02,702 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register_dev [2019-10-14 23:04:02,703 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister_dev [2019-10-14 23:04:02,703 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_control_urb [2019-10-14 23:04:02,703 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_int_urb [2019-10-14 23:04:02,703 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2019-10-14 23:04:02,703 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2019-10-14 23:04:02,703 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2019-10-14 23:04:02,703 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2019-10-14 23:04:02,703 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2019-10-14 23:04:02,704 INFO L130 BoogieDeclarations]: Found specification of procedure usb_translate_errors [2019-10-14 23:04:02,704 INFO L130 BoogieDeclarations]: Found specification of procedure usb_cdc_wdm_register [2019-10-14 23:04:02,704 INFO L130 BoogieDeclarations]: Found specification of procedure wdm_find_device [2019-10-14 23:04:02,704 INFO L130 BoogieDeclarations]: Found specification of procedure wdm_find_device_by_minor [2019-10-14 23:04:02,704 INFO L130 BoogieDeclarations]: Found specification of procedure wdm_out_callback [2019-10-14 23:04:02,704 INFO L130 BoogieDeclarations]: Found specification of procedure wdm_in_callback [2019-10-14 23:04:02,704 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove [2019-10-14 23:04:02,705 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-14 23:04:02,705 INFO L130 BoogieDeclarations]: Found specification of procedure wdm_int_callback [2019-10-14 23:04:02,705 INFO L130 BoogieDeclarations]: Found specification of procedure kill_urbs [2019-10-14 23:04:02,705 INFO L130 BoogieDeclarations]: Found specification of procedure free_urbs [2019-10-14 23:04:02,705 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-14 23:04:02,705 INFO L130 BoogieDeclarations]: Found specification of procedure wdm_write [2019-10-14 23:04:02,705 INFO L130 BoogieDeclarations]: Found specification of procedure clear_wdm_read_flag [2019-10-14 23:04:02,705 INFO L130 BoogieDeclarations]: Found specification of procedure wdm_read [2019-10-14 23:04:02,706 INFO L130 BoogieDeclarations]: Found specification of procedure wdm_flush [2019-10-14 23:04:02,706 INFO L130 BoogieDeclarations]: Found specification of procedure wdm_poll [2019-10-14 23:04:02,706 INFO L130 BoogieDeclarations]: Found specification of procedure wdm_open [2019-10-14 23:04:02,706 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~int [2019-10-14 23:04:02,706 INFO L130 BoogieDeclarations]: Found specification of procedure wdm_release [2019-10-14 23:04:02,706 INFO L130 BoogieDeclarations]: Found specification of procedure wdm_ioctl [2019-10-14 23:04:02,706 INFO L130 BoogieDeclarations]: Found specification of procedure wdm_rxwork [2019-10-14 23:04:02,707 INFO L130 BoogieDeclarations]: Found specification of procedure wdm_create [2019-10-14 23:04:02,707 INFO L130 BoogieDeclarations]: Found specification of procedure wdm_manage_power [2019-10-14 23:04:02,707 INFO L130 BoogieDeclarations]: Found specification of procedure wdm_probe [2019-10-14 23:04:02,707 INFO L130 BoogieDeclarations]: Found specification of procedure wdm_disconnect [2019-10-14 23:04:02,707 INFO L130 BoogieDeclarations]: Found specification of procedure wdm_suspend [2019-10-14 23:04:02,707 INFO L130 BoogieDeclarations]: Found specification of procedure recover_from_urb_loss [2019-10-14 23:04:02,707 INFO L130 BoogieDeclarations]: Found specification of procedure wdm_resume [2019-10-14 23:04:02,708 INFO L130 BoogieDeclarations]: Found specification of procedure wdm_pre_reset [2019-10-14 23:04:02,708 INFO L130 BoogieDeclarations]: Found specification of procedure wdm_post_reset [2019-10-14 23:04:02,708 INFO L130 BoogieDeclarations]: Found specification of procedure wdm_driver_init [2019-10-14 23:04:02,708 INFO L130 BoogieDeclarations]: Found specification of procedure wdm_driver_exit [2019-10-14 23:04:02,708 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-10-14 23:04:02,708 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-10-14 23:04:02,708 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-14 23:04:02,709 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2019-10-14 23:04:02,709 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int_negative [2019-10-14 23:04:02,709 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2019-10-14 23:04:02,709 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2019-10-14 23:04:02,709 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2019-10-14 23:04:02,709 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_i_mutex_of_inode [2019-10-14 23:04:02,709 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_i_mutex_of_inode [2019-10-14 23:04:02,710 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_i_mutex_of_inode [2019-10-14 23:04:02,710 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_i_mutex_of_inode [2019-10-14 23:04:02,710 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_i_mutex_of_inode [2019-10-14 23:04:02,710 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_i_mutex_of_inode [2019-10-14 23:04:02,710 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_trylock_device_i_mutex_of_inode [2019-10-14 23:04:02,710 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_for_reset_i_mutex_of_inode [2019-10-14 23:04:02,710 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_unlock_device_i_mutex_of_inode [2019-10-14 23:04:02,711 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_lock [2019-10-14 23:04:02,711 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_lock [2019-10-14 23:04:02,711 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_lock [2019-10-14 23:04:02,711 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_lock [2019-10-14 23:04:02,711 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_lock [2019-10-14 23:04:02,711 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_lock [2019-10-14 23:04:02,711 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_trylock_device_lock [2019-10-14 23:04:02,711 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_for_reset_lock [2019-10-14 23:04:02,712 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_unlock_device_lock [2019-10-14 23:04:02,712 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_mutex_of_device [2019-10-14 23:04:02,712 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_mutex_of_device [2019-10-14 23:04:02,712 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2019-10-14 23:04:02,712 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_mutex_of_device [2019-10-14 23:04:02,712 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_mutex_of_device [2019-10-14 23:04:02,712 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_trylock_device_mutex_of_device [2019-10-14 23:04:02,712 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_for_reset_mutex_of_device [2019-10-14 23:04:02,713 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_unlock_device_mutex_of_device [2019-10-14 23:04:02,713 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_rlock_of_wdm_device [2019-10-14 23:04:02,713 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_rlock_of_wdm_device [2019-10-14 23:04:02,713 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_rlock_of_wdm_device [2019-10-14 23:04:02,713 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_rlock_of_wdm_device [2019-10-14 23:04:02,713 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_rlock_of_wdm_device [2019-10-14 23:04:02,713 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_trylock_device_rlock_of_wdm_device [2019-10-14 23:04:02,714 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_for_reset_rlock_of_wdm_device [2019-10-14 23:04:02,714 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_unlock_device_rlock_of_wdm_device [2019-10-14 23:04:02,714 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_wdm_mutex [2019-10-14 23:04:02,714 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_wdm_mutex [2019-10-14 23:04:02,714 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_wdm_mutex [2019-10-14 23:04:02,714 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_wdm_mutex [2019-10-14 23:04:02,714 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_wdm_mutex [2019-10-14 23:04:02,714 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_wdm_mutex [2019-10-14 23:04:02,715 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_trylock_device_wdm_mutex [2019-10-14 23:04:02,715 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_for_reset_wdm_mutex [2019-10-14 23:04:02,715 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_unlock_device_wdm_mutex [2019-10-14 23:04:02,715 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_wlock_of_wdm_device [2019-10-14 23:04:02,715 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_wlock_of_wdm_device [2019-10-14 23:04:02,715 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_wlock_of_wdm_device [2019-10-14 23:04:02,715 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_wlock_of_wdm_device [2019-10-14 23:04:02,715 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_wlock_of_wdm_device [2019-10-14 23:04:02,716 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_trylock_device_wlock_of_wdm_device [2019-10-14 23:04:02,716 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_for_reset_wlock_of_wdm_device [2019-10-14 23:04:02,716 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_unlock_device_wlock_of_wdm_device [2019-10-14 23:04:02,716 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-10-14 23:04:02,716 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2019-10-14 23:04:02,716 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-10-14 23:04:02,716 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-14 23:04:02,717 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-14 23:04:02,717 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2019-10-14 23:04:02,717 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-14 23:04:02,717 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-10-14 23:04:02,717 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-14 23:04:02,717 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2019-10-14 23:04:02,717 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-10-14 23:04:02,718 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-10-14 23:04:03,776 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2019-10-14 23:04:13,258 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-14 23:04:13,258 INFO L284 CfgBuilder]: Removed 0 assume(true) statements. [2019-10-14 23:04:13,261 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 11:04:13 BoogieIcfgContainer [2019-10-14 23:04:13,261 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-14 23:04:13,262 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-14 23:04:13,262 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-14 23:04:13,266 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-14 23:04:13,266 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 11:03:58" (1/3) ... [2019-10-14 23:04:13,267 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@47febb1a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 11:04:13, skipping insertion in model container [2019-10-14 23:04:13,267 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:04:02" (2/3) ... [2019-10-14 23:04:13,267 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@47febb1a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 11:04:13, skipping insertion in model container [2019-10-14 23:04:13,267 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 11:04:13" (3/3) ... [2019-10-14 23:04:13,269 INFO L109 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-32_7a-drivers--usb--class--cdc-wdm.ko-entry_point.cil.out.i [2019-10-14 23:04:13,280 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-14 23:04:13,291 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-14 23:04:13,303 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-14 23:04:13,336 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-14 23:04:13,337 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-14 23:04:13,337 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-14 23:04:13,337 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-14 23:04:13,337 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-14 23:04:13,337 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-14 23:04:13,337 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-14 23:04:13,338 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-14 23:04:13,386 INFO L276 IsEmpty]: Start isEmpty. Operand 1809 states. [2019-10-14 23:04:13,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2019-10-14 23:04:13,404 INFO L372 BasicCegarLoop]: Found error trace [2019-10-14 23:04:13,406 INFO L380 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 7, 7, 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] [2019-10-14 23:04:13,408 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-14 23:04:13,414 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-14 23:04:13,414 INFO L82 PathProgramCache]: Analyzing trace with hash -1178834190, now seen corresponding path program 1 times [2019-10-14 23:04:13,423 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-14 23:04:13,424 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1997858593] [2019-10-14 23:04:13,424 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:04:13,424 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:04:13,424 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-14 23:04:14,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:04:19,041 WARN L191 SmtUtils]: Spent 4.56 s on a formula simplification that was a NOOP. DAG size: 916 [2019-10-14 23:04:19,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:04:19,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:04:19,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:04:19,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:04:19,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:04:19,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:04:19,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:04:19,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:04:19,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:04:19,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:04:19,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:04:19,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:04:19,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:04:19,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:04:19,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:04:19,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:04:19,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:04:19,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:04:19,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:04:19,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:04:19,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:04:19,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:04:19,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:04:19,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:04:19,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:04:19,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:04:19,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:04:19,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:04:19,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:04:19,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:04:19,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:04:19,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:04:19,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:04:19,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:04:19,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:04:19,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:04:19,781 INFO L134 CoverageAnalysis]: Checked inductivity of 492 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 492 trivial. 0 not checked. [2019-10-14 23:04:19,782 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1997858593] [2019-10-14 23:04:19,783 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-14 23:04:19,783 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-10-14 23:04:19,784 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1311569292] [2019-10-14 23:04:19,789 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-14 23:04:19,789 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-14 23:04:19,805 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-14 23:04:19,806 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2019-10-14 23:04:19,808 INFO L87 Difference]: Start difference. First operand 1809 states. Second operand 8 states. [2019-10-14 23:04:27,377 WARN L191 SmtUtils]: Spent 4.31 s on a formula simplification that was a NOOP. DAG size: 918