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/ai/svcomp-Reach-32bit-Automizer_Default+AIv2_INT.epf -i ../../../trunk/examples/svcomp/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--video--udlfb.ko-main.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 13:43:15,391 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 13:43:15,394 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 13:43:15,406 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 13:43:15,406 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 13:43:15,407 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 13:43:15,409 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 13:43:15,411 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 13:43:15,413 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 13:43:15,414 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 13:43:15,415 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 13:43:15,416 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 13:43:15,416 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 13:43:15,417 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 13:43:15,418 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 13:43:15,419 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 13:43:15,420 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 13:43:15,421 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 13:43:15,423 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 13:43:15,425 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 13:43:15,426 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 13:43:15,427 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 13:43:15,428 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 13:43:15,429 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 13:43:15,431 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 13:43:15,432 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 13:43:15,432 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 13:43:15,433 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 13:43:15,433 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 13:43:15,434 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 13:43:15,434 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 13:43:15,435 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 13:43:15,436 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 13:43:15,437 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 13:43:15,438 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 13:43:15,438 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 13:43:15,438 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 13:43:15,439 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 13:43:15,439 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 13:43:15,440 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 13:43:15,441 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 13:43:15,441 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/svcomp-Reach-32bit-Automizer_Default+AIv2_INT.epf [2019-09-20 13:43:15,456 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 13:43:15,456 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 13:43:15,457 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-20 13:43:15,457 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-20 13:43:15,458 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-20 13:43:15,458 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-20 13:43:15,458 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-20 13:43:15,458 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-20 13:43:15,459 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-20 13:43:15,459 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-20 13:43:15,459 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 13:43:15,460 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 13:43:15,460 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 13:43:15,460 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 13:43:15,460 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 13:43:15,460 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 13:43:15,461 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 13:43:15,461 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 13:43:15,461 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 13:43:15,461 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 13:43:15,462 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 13:43:15,462 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-20 13:43:15,462 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 13:43:15,462 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 13:43:15,463 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 13:43:15,463 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 13:43:15,463 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-20 13:43:15,463 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 13:43:15,463 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-20 13:43:15,463 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-20 13:43:15,506 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 13:43:15,521 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 13:43:15,525 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 13:43:15,526 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 13:43:15,527 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 13:43:15,528 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--video--udlfb.ko-main.cil.out.i [2019-09-20 13:43:15,595 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c714a764f/ba33727131114384b13d256599d3742e/FLAGdcdab32d4 [2019-09-20 13:43:16,413 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 13:43:16,414 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--video--udlfb.ko-main.cil.out.i [2019-09-20 13:43:16,475 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c714a764f/ba33727131114384b13d256599d3742e/FLAGdcdab32d4 [2019-09-20 13:43:16,910 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c714a764f/ba33727131114384b13d256599d3742e [2019-09-20 13:43:16,920 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 13:43:16,922 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 13:43:16,923 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 13:43:16,923 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 13:43:16,927 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 13:43:16,928 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:43:16" (1/1) ... [2019-09-20 13:43:16,931 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3e4b9397 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:43:16, skipping insertion in model container [2019-09-20 13:43:16,931 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:43:16" (1/1) ... [2019-09-20 13:43:16,939 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 13:43:17,110 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 13:43:19,071 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 13:43:19,136 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 13:43:19,666 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 13:43:20,118 INFO L192 MainTranslator]: Completed translation [2019-09-20 13:43:20,118 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:43:20 WrapperNode [2019-09-20 13:43:20,119 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 13:43:20,120 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 13:43:20,120 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 13:43:20,120 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 13:43:20,141 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:43:20" (1/1) ... [2019-09-20 13:43:20,143 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:43:20" (1/1) ... [2019-09-20 13:43:20,265 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:43:20" (1/1) ... [2019-09-20 13:43:20,266 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:43:20" (1/1) ... [2019-09-20 13:43:20,426 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:43:20" (1/1) ... [2019-09-20 13:43:20,463 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:43:20" (1/1) ... [2019-09-20 13:43:20,493 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:43:20" (1/1) ... [2019-09-20 13:43:20,521 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 13:43:20,522 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 13:43:20,522 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 13:43:20,522 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 13:43:20,524 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:43:20" (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 [2019-09-20 13:43:20,611 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 13:43:20,611 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 13:43:20,612 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2019-09-20 13:43:20,612 INFO L138 BoogieDeclarations]: Found implementation of procedure avoid_zero [2019-09-20 13:43:20,612 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2019-09-20 13:43:20,612 INFO L138 BoogieDeclarations]: Found implementation of procedure __swab16p [2019-09-20 13:43:20,612 INFO L138 BoogieDeclarations]: Found implementation of procedure __cpu_to_be16p [2019-09-20 13:43:20,613 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2019-09-20 13:43:20,613 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2019-09-20 13:43:20,613 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del_init [2019-09-20 13:43:20,613 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2019-09-20 13:43:20,615 INFO L138 BoogieDeclarations]: Found implementation of procedure paravirt_read_tsc [2019-09-20 13:43:20,616 INFO L138 BoogieDeclarations]: Found implementation of procedure prefetchw [2019-09-20 13:43:20,616 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2019-09-20 13:43:20,616 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2019-09-20 13:43:20,616 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_add [2019-09-20 13:43:20,616 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_sub_and_test [2019-09-20 13:43:20,617 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2019-09-20 13:43:20,617 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2019-09-20 13:43:20,617 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2019-09-20 13:43:20,617 INFO L138 BoogieDeclarations]: Found implementation of procedure get_cycles [2019-09-20 13:43:20,618 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_init [2019-09-20 13:43:20,618 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_get [2019-09-20 13:43:20,618 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_sub [2019-09-20 13:43:20,618 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_put [2019-09-20 13:43:20,618 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2019-09-20 13:43:20,618 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2019-09-20 13:43:20,619 INFO L138 BoogieDeclarations]: Found implementation of procedure sema_init [2019-09-20 13:43:20,619 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intfdata [2019-09-20 13:43:20,619 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2019-09-20 13:43:20,619 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2019-09-20 13:43:20,619 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_bulk_urb [2019-09-20 13:43:20,619 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2019-09-20 13:43:20,620 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2019-09-20 13:43:20,620 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-09-20 13:43:20,620 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2019-09-20 13:43:20,620 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2019-09-20 13:43:20,620 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2019-09-20 13:43:20,620 INFO L138 BoogieDeclarations]: Found implementation of procedure prefetch_range [2019-09-20 13:43:20,620 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_set_register [2019-09-20 13:43:20,621 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_vidreg_lock [2019-09-20 13:43:20,621 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_vidreg_unlock [2019-09-20 13:43:20,621 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_blanking [2019-09-20 13:43:20,621 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_set_color_depth [2019-09-20 13:43:20,621 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_set_base16bpp [2019-09-20 13:43:20,621 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_set_base8bpp [2019-09-20 13:43:20,622 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_set_register_16 [2019-09-20 13:43:20,622 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_set_register_16be [2019-09-20 13:43:20,622 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_lfsr16 [2019-09-20 13:43:20,622 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_set_register_lfsr16 [2019-09-20 13:43:20,622 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_set_vid_cmds [2019-09-20 13:43:20,622 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_set_video_mode [2019-09-20 13:43:20,622 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_ops_mmap [2019-09-20 13:43:20,623 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_trim_hline [2019-09-20 13:43:20,623 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_compress_hline [2019-09-20 13:43:20,623 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_render_hline [2019-09-20 13:43:20,623 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_handle_damage [2019-09-20 13:43:20,623 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_ops_write [2019-09-20 13:43:20,623 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_ops_copyarea [2019-09-20 13:43:20,623 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_ops_imageblit [2019-09-20 13:43:20,624 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_ops_fillrect [2019-09-20 13:43:20,624 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_dpy_deferred_io [2019-09-20 13:43:20,624 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_get_edid [2019-09-20 13:43:20,624 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_ops_ioctl [2019-09-20 13:43:20,624 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_ops_setcolreg [2019-09-20 13:43:20,625 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_ops_open [2019-09-20 13:43:20,625 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_free [2019-09-20 13:43:20,625 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_release_urb_work [2019-09-20 13:43:20,625 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_free_framebuffer [2019-09-20 13:43:20,625 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_free_framebuffer_work [2019-09-20 13:43:20,625 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_ops_release [2019-09-20 13:43:20,625 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_is_valid_mode [2019-09-20 13:43:20,626 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_var_color_format [2019-09-20 13:43:20,626 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_ops_check_var [2019-09-20 13:43:20,626 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_ops_set_par [2019-09-20 13:43:20,626 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_dummy_render [2019-09-20 13:43:20,626 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_ops_blank [2019-09-20 13:43:20,626 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_realloc_framebuffer [2019-09-20 13:43:20,627 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_setup_modes [2019-09-20 13:43:20,627 INFO L138 BoogieDeclarations]: Found implementation of procedure metrics_bytes_rendered_show [2019-09-20 13:43:20,627 INFO L138 BoogieDeclarations]: Found implementation of procedure metrics_bytes_identical_show [2019-09-20 13:43:20,627 INFO L138 BoogieDeclarations]: Found implementation of procedure metrics_bytes_sent_show [2019-09-20 13:43:20,627 INFO L138 BoogieDeclarations]: Found implementation of procedure metrics_cpu_kcycles_used_show [2019-09-20 13:43:20,627 INFO L138 BoogieDeclarations]: Found implementation of procedure edid_show [2019-09-20 13:43:20,628 INFO L138 BoogieDeclarations]: Found implementation of procedure edid_store [2019-09-20 13:43:20,628 INFO L138 BoogieDeclarations]: Found implementation of procedure metrics_reset_store [2019-09-20 13:43:20,628 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_select_std_channel [2019-09-20 13:43:20,628 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_parse_vendor_descriptor [2019-09-20 13:43:20,628 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_usb_probe [2019-09-20 13:43:20,628 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_init_framebuffer_work [2019-09-20 13:43:20,629 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_usb_disconnect [2019-09-20 13:43:20,629 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_driver_init [2019-09-20 13:43:20,629 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_driver_exit [2019-09-20 13:43:20,629 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_urb_completion [2019-09-20 13:43:20,629 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_free_urb_list [2019-09-20 13:43:20,629 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_alloc_urb_list [2019-09-20 13:43:20,630 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_get_urb [2019-09-20 13:43:20,630 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_submit_urb [2019-09-20 13:43:20,630 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 13:43:20,630 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_1 [2019-09-20 13:43:20,630 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_2 [2019-09-20 13:43:20,630 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_3 [2019-09-20 13:43:20,631 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_4 [2019-09-20 13:43:20,631 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_5 [2019-09-20 13:43:20,631 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_6 [2019-09-20 13:43:20,631 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_7 [2019-09-20 13:43:20,631 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_8 [2019-09-20 13:43:20,632 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_9 [2019-09-20 13:43:20,632 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_10 [2019-09-20 13:43:20,632 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_11 [2019-09-20 13:43:20,632 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_12 [2019-09-20 13:43:20,632 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_register_driver_13 [2019-09-20 13:43:20,632 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_deregister_14 [2019-09-20 13:43:20,632 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2019-09-20 13:43:20,633 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2019-09-20 13:43:20,633 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2019-09-20 13:43:20,633 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_cred_guard_mutex_of_signal_struct [2019-09-20 13:43:20,633 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_cred_guard_mutex_of_signal_struct [2019-09-20 13:43:20,633 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_cred_guard_mutex_of_signal_struct [2019-09-20 13:43:20,633 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_cred_guard_mutex_of_signal_struct [2019-09-20 13:43:20,634 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_cred_guard_mutex_of_signal_struct [2019-09-20 13:43:20,634 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_cred_guard_mutex_of_signal_struct [2019-09-20 13:43:20,634 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_cred_guard_mutex_of_signal_struct [2019-09-20 13:43:20,634 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_lock [2019-09-20 13:43:20,634 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_lock [2019-09-20 13:43:20,634 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock [2019-09-20 13:43:20,634 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_lock [2019-09-20 13:43:20,635 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_lock [2019-09-20 13:43:20,635 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_lock [2019-09-20 13:43:20,635 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock [2019-09-20 13:43:20,635 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_lock_of_fb_info [2019-09-20 13:43:20,635 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_lock_of_fb_info [2019-09-20 13:43:20,635 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock_of_fb_info [2019-09-20 13:43:20,636 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_lock_of_fb_info [2019-09-20 13:43:20,636 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_lock_of_fb_info [2019-09-20 13:43:20,636 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_lock_of_fb_info [2019-09-20 13:43:20,636 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock_of_fb_info [2019-09-20 13:43:20,636 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_mutex_of_device [2019-09-20 13:43:20,636 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_mutex_of_device [2019-09-20 13:43:20,637 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mutex_of_device [2019-09-20 13:43:20,637 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_mutex_of_device [2019-09-20 13:43:20,637 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2019-09-20 13:43:20,637 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_mutex_of_device [2019-09-20 13:43:20,637 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex_of_device [2019-09-20 13:43:20,637 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_update_lock_of_backlight_device [2019-09-20 13:43:20,638 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_update_lock_of_backlight_device [2019-09-20 13:43:20,638 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_update_lock_of_backlight_device [2019-09-20 13:43:20,638 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_update_lock_of_backlight_device [2019-09-20 13:43:20,638 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_update_lock_of_backlight_device [2019-09-20 13:43:20,638 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_update_lock_of_backlight_device [2019-09-20 13:43:20,638 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_update_lock_of_backlight_device [2019-09-20 13:43:20,639 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-09-20 13:43:20,639 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-09-20 13:43:20,639 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2019-09-20 13:43:20,639 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2019-09-20 13:43:20,639 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_del_entry [2019-09-20 13:43:20,639 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2019-09-20 13:43:20,640 INFO L138 BoogieDeclarations]: Found implementation of procedure __usb_get_extra_descriptor [2019-09-20 13:43:20,640 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2019-09-20 13:43:20,640 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2019-09-20 13:43:20,640 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2019-09-20 13:43:20,640 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irqrestore [2019-09-20 13:43:20,640 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2019-09-20 13:43:20,641 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2019-09-20 13:43:20,641 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2019-09-20 13:43:20,641 INFO L138 BoogieDeclarations]: Found implementation of procedure device_create_bin_file [2019-09-20 13:43:20,641 INFO L138 BoogieDeclarations]: Found implementation of procedure device_create_file [2019-09-20 13:43:20,641 INFO L138 BoogieDeclarations]: Found implementation of procedure device_remove_bin_file [2019-09-20 13:43:20,641 INFO L138 BoogieDeclarations]: Found implementation of procedure device_remove_file [2019-09-20 13:43:20,642 INFO L138 BoogieDeclarations]: Found implementation of procedure down_interruptible [2019-09-20 13:43:20,642 INFO L138 BoogieDeclarations]: Found implementation of procedure down_timeout [2019-09-20 13:43:20,642 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_add_videomode [2019-09-20 13:43:20,642 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_alloc_cmap [2019-09-20 13:43:20,642 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_dealloc_cmap [2019-09-20 13:43:20,642 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_deferred_io_cleanup [2019-09-20 13:43:20,642 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_deferred_io_init [2019-09-20 13:43:20,643 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_destroy_modedb [2019-09-20 13:43:20,643 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_destroy_modelist [2019-09-20 13:43:20,643 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_edid_to_monspecs [2019-09-20 13:43:20,643 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_find_best_display [2019-09-20 13:43:20,643 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_find_nearest_mode [2019-09-20 13:43:20,643 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_sys_read [2019-09-20 13:43:20,644 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_sys_write [2019-09-20 13:43:20,644 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_var_to_videomode [2019-09-20 13:43:20,644 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_videomode_to_var [2019-09-20 13:43:20,644 INFO L138 BoogieDeclarations]: Found implementation of procedure framebuffer_alloc [2019-09-20 13:43:20,644 INFO L138 BoogieDeclarations]: Found implementation of procedure framebuffer_release [2019-09-20 13:43:20,644 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2019-09-20 13:43:20,645 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dlfb_ops_probe_3 [2019-09-20 13:43:20,645 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dlfb_ops_release_3 [2019-09-20 13:43:20,645 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_edid_attr_probe_2 [2019-09-20 13:43:20,645 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_edid_attr_release_2 [2019-09-20 13:43:20,645 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2019-09-20 13:43:20,645 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2019-09-20 13:43:20,646 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2019-09-20 13:43:20,646 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_trylock [2019-09-20 13:43:20,646 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2019-09-20 13:43:20,646 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2019-09-20 13:43:20,646 INFO L138 BoogieDeclarations]: Found implementation of procedure register_framebuffer [2019-09-20 13:43:20,646 INFO L138 BoogieDeclarations]: Found implementation of procedure remap_pfn_range [2019-09-20 13:43:20,646 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_delayed_work [2019-09-20 13:43:20,647 INFO L138 BoogieDeclarations]: Found implementation of procedure sys_copyarea [2019-09-20 13:43:20,647 INFO L138 BoogieDeclarations]: Found implementation of procedure sys_fillrect [2019-09-20 13:43:20,647 INFO L138 BoogieDeclarations]: Found implementation of procedure sys_imageblit [2019-09-20 13:43:20,647 INFO L138 BoogieDeclarations]: Found implementation of procedure unlink_framebuffer [2019-09-20 13:43:20,647 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_framebuffer [2019-09-20 13:43:20,647 INFO L138 BoogieDeclarations]: Found implementation of procedure up [2019-09-20 13:43:20,647 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_coherent [2019-09-20 13:43:20,648 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2019-09-20 13:43:20,648 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2019-09-20 13:43:20,648 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_deregister [2019-09-20 13:43:20,648 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_coherent [2019-09-20 13:43:20,648 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2019-09-20 13:43:20,648 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_descriptor [2019-09-20 13:43:20,648 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register_driver [2019-09-20 13:43:20,649 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2019-09-20 13:43:20,649 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2019-09-20 13:43:20,649 INFO L138 BoogieDeclarations]: Found implementation of procedure vmalloc [2019-09-20 13:43:20,649 INFO L138 BoogieDeclarations]: Found implementation of procedure vmalloc_to_pfn [2019-09-20 13:43:20,649 INFO L138 BoogieDeclarations]: Found implementation of procedure vzalloc [2019-09-20 13:43:20,649 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_fmt [2019-09-20 13:43:20,649 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2019-09-20 13:43:20,650 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-09-20 13:43:20,650 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-09-20 13:43:20,650 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-09-20 13:43:20,650 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-09-20 13:43:20,650 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 13:43:20,650 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-20 13:43:20,650 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-09-20 13:43:20,651 INFO L130 BoogieDeclarations]: Found specification of procedure avoid_zero [2019-09-20 13:43:20,651 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2019-09-20 13:43:20,651 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2019-09-20 13:43:20,651 INFO L130 BoogieDeclarations]: Found specification of procedure __swab16p [2019-09-20 13:43:20,651 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-20 13:43:20,651 INFO L130 BoogieDeclarations]: Found specification of procedure __cpu_to_be16p [2019-09-20 13:43:20,651 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2019-09-20 13:43:20,652 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2019-09-20 13:43:20,652 INFO L130 BoogieDeclarations]: Found specification of procedure snprintf [2019-09-20 13:43:20,652 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2019-09-20 13:43:20,652 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-20 13:43:20,652 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2019-09-20 13:43:20,652 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2019-09-20 13:43:20,652 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-20 13:43:20,652 INFO L130 BoogieDeclarations]: Found specification of procedure __list_del_entry [2019-09-20 13:43:20,653 INFO L130 BoogieDeclarations]: Found specification of procedure list_del_init [2019-09-20 13:43:20,653 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2019-09-20 13:43:20,653 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-09-20 13:43:20,653 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-09-20 13:43:20,653 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2019-09-20 13:43:20,653 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_fmt [2019-09-20 13:43:20,653 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2019-09-20 13:43:20,654 INFO L130 BoogieDeclarations]: Found specification of procedure paravirt_read_tsc [2019-09-20 13:43:20,654 INFO L130 BoogieDeclarations]: Found specification of procedure prefetchw [2019-09-20 13:43:20,654 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2019-09-20 13:43:20,654 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2019-09-20 13:43:20,654 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-20 13:43:20,654 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_add [2019-09-20 13:43:20,654 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_sub_and_test [2019-09-20 13:43:20,654 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2019-09-20 13:43:20,655 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2019-09-20 13:43:20,655 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_trylock [2019-09-20 13:43:20,655 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_4 [2019-09-20 13:43:20,655 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2019-09-20 13:43:20,655 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_2 [2019-09-20 13:43:20,655 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_5 [2019-09-20 13:43:20,655 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_7 [2019-09-20 13:43:20,656 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_9 [2019-09-20 13:43:20,656 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_10 [2019-09-20 13:43:20,656 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_12 [2019-09-20 13:43:20,656 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2019-09-20 13:43:20,656 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_1 [2019-09-20 13:43:20,656 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_3 [2019-09-20 13:43:20,657 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_6 [2019-09-20 13:43:20,657 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_8 [2019-09-20 13:43:20,657 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_11 [2019-09-20 13:43:20,657 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_cred_guard_mutex_of_signal_struct [2019-09-20 13:43:20,657 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_cred_guard_mutex_of_signal_struct [2019-09-20 13:43:20,657 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock [2019-09-20 13:43:20,658 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock [2019-09-20 13:43:20,658 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock_of_fb_info [2019-09-20 13:43:20,658 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock_of_fb_info [2019-09-20 13:43:20,658 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mutex_of_device [2019-09-20 13:43:20,658 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_mutex_of_device [2019-09-20 13:43:20,658 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex_of_device [2019-09-20 13:43:20,659 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_update_lock_of_backlight_device [2019-09-20 13:43:20,659 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_update_lock_of_backlight_device [2019-09-20 13:43:20,659 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 13:43:20,659 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2019-09-20 13:43:20,659 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2019-09-20 13:43:20,659 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore [2019-09-20 13:43:20,660 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2019-09-20 13:43:20,660 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2019-09-20 13:43:20,660 INFO L130 BoogieDeclarations]: Found specification of procedure get_cycles [2019-09-20 13:43:20,660 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2019-09-20 13:43:20,660 INFO L130 BoogieDeclarations]: Found specification of procedure delayed_work_timer_fn [2019-09-20 13:43:20,661 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2019-09-20 13:43:20,661 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_delayed_work [2019-09-20 13:43:20,661 INFO L130 BoogieDeclarations]: Found specification of procedure vmalloc [2019-09-20 13:43:20,661 INFO L130 BoogieDeclarations]: Found specification of procedure vzalloc [2019-09-20 13:43:20,661 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2019-09-20 13:43:20,661 INFO L130 BoogieDeclarations]: Found specification of procedure kref_init [2019-09-20 13:43:20,661 INFO L130 BoogieDeclarations]: Found specification of procedure kref_get [2019-09-20 13:43:20,662 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-20 13:43:20,662 INFO L130 BoogieDeclarations]: Found specification of procedure kref_sub [2019-09-20 13:43:20,662 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2019-09-20 13:43:20,662 INFO L130 BoogieDeclarations]: Found specification of procedure kref_put [2019-09-20 13:43:20,662 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2019-09-20 13:43:20,662 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2019-09-20 13:43:20,663 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2019-09-20 13:43:20,663 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2019-09-20 13:43:20,663 INFO L130 BoogieDeclarations]: Found specification of procedure device_create_file [2019-09-20 13:43:20,663 INFO L130 BoogieDeclarations]: Found specification of procedure device_remove_file [2019-09-20 13:43:20,663 INFO L130 BoogieDeclarations]: Found specification of procedure device_create_bin_file [2019-09-20 13:43:20,663 INFO L130 BoogieDeclarations]: Found specification of procedure device_remove_bin_file [2019-09-20 13:43:20,664 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2019-09-20 13:43:20,664 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2019-09-20 13:43:20,664 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2019-09-20 13:43:20,664 INFO L130 BoogieDeclarations]: Found specification of procedure sema_init [2019-09-20 13:43:20,664 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-20 13:43:20,665 INFO L130 BoogieDeclarations]: Found specification of procedure down_interruptible [2019-09-20 13:43:20,665 INFO L130 BoogieDeclarations]: Found specification of procedure down_timeout [2019-09-20 13:43:20,665 INFO L130 BoogieDeclarations]: Found specification of procedure up [2019-09-20 13:43:20,665 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intfdata [2019-09-20 13:43:20,665 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2019-09-20 13:43:20,665 INFO L130 BoogieDeclarations]: Found specification of procedure __usb_get_extra_descriptor [2019-09-20 13:43:20,666 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2019-09-20 13:43:20,666 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register_driver [2019-09-20 13:43:20,666 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_register_driver_13 [2019-09-20 13:43:20,666 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister [2019-09-20 13:43:20,666 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_deregister_14 [2019-09-20 13:43:20,666 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_bulk_urb [2019-09-20 13:43:20,667 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2019-09-20 13:43:20,667 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2019-09-20 13:43:20,667 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2019-09-20 13:43:20,667 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_coherent [2019-09-20 13:43:20,667 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_coherent [2019-09-20 13:43:20,667 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2019-09-20 13:43:20,668 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_descriptor [2019-09-20 13:43:20,668 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2019-09-20 13:43:20,668 INFO L130 BoogieDeclarations]: Found specification of procedure vmalloc_to_pfn [2019-09-20 13:43:20,668 INFO L130 BoogieDeclarations]: Found specification of procedure remap_pfn_range [2019-09-20 13:43:20,668 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-09-20 13:43:20,668 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-20 13:43:20,669 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2019-09-20 13:43:20,669 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-09-20 13:43:20,669 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-20 13:43:20,669 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2019-09-20 13:43:20,669 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2019-09-20 13:43:20,669 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2019-09-20 13:43:20,670 INFO L130 BoogieDeclarations]: Found specification of procedure sys_fillrect [2019-09-20 13:43:20,670 INFO L130 BoogieDeclarations]: Found specification of procedure sys_copyarea [2019-09-20 13:43:20,670 INFO L130 BoogieDeclarations]: Found specification of procedure sys_imageblit [2019-09-20 13:43:20,670 INFO L130 BoogieDeclarations]: Found specification of procedure fb_sys_read [2019-09-20 13:43:20,670 INFO L130 BoogieDeclarations]: Found specification of procedure fb_sys_write [2019-09-20 13:43:20,670 INFO L130 BoogieDeclarations]: Found specification of procedure register_framebuffer [2019-09-20 13:43:20,670 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_framebuffer [2019-09-20 13:43:20,671 INFO L130 BoogieDeclarations]: Found specification of procedure unlink_framebuffer [2019-09-20 13:43:20,671 INFO L130 BoogieDeclarations]: Found specification of procedure fb_deferred_io_init [2019-09-20 13:43:20,671 INFO L130 BoogieDeclarations]: Found specification of procedure fb_deferred_io_cleanup [2019-09-20 13:43:20,671 INFO L130 BoogieDeclarations]: Found specification of procedure framebuffer_alloc [2019-09-20 13:43:20,671 INFO L130 BoogieDeclarations]: Found specification of procedure framebuffer_release [2019-09-20 13:43:20,671 INFO L130 BoogieDeclarations]: Found specification of procedure fb_edid_to_monspecs [2019-09-20 13:43:20,672 INFO L130 BoogieDeclarations]: Found specification of procedure fb_destroy_modedb [2019-09-20 13:43:20,672 INFO L130 BoogieDeclarations]: Found specification of procedure fb_var_to_videomode [2019-09-20 13:43:20,672 INFO L130 BoogieDeclarations]: Found specification of procedure fb_videomode_to_var [2019-09-20 13:43:20,672 INFO L130 BoogieDeclarations]: Found specification of procedure fb_add_videomode [2019-09-20 13:43:20,672 INFO L130 BoogieDeclarations]: Found specification of procedure fb_find_nearest_mode [2019-09-20 13:43:20,672 INFO L130 BoogieDeclarations]: Found specification of procedure fb_destroy_modelist [2019-09-20 13:43:20,673 INFO L130 BoogieDeclarations]: Found specification of procedure fb_find_best_display [2019-09-20 13:43:20,673 INFO L130 BoogieDeclarations]: Found specification of procedure fb_alloc_cmap [2019-09-20 13:43:20,673 INFO L130 BoogieDeclarations]: Found specification of procedure fb_dealloc_cmap [2019-09-20 13:43:20,673 INFO L130 BoogieDeclarations]: Found specification of procedure prefetch_range [2019-09-20 13:43:20,673 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_urb_completion [2019-09-20 13:43:20,674 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_get_urb [2019-09-20 13:43:20,674 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_submit_urb [2019-09-20 13:43:20,674 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_alloc_urb_list [2019-09-20 13:43:20,674 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_free_urb_list [2019-09-20 13:43:20,674 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_set_register [2019-09-20 13:43:20,674 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_vidreg_lock [2019-09-20 13:43:20,675 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_vidreg_unlock [2019-09-20 13:43:20,675 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_blanking [2019-09-20 13:43:20,675 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_set_color_depth [2019-09-20 13:43:20,675 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_set_base16bpp [2019-09-20 13:43:20,676 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_set_base8bpp [2019-09-20 13:43:20,676 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_set_register_16 [2019-09-20 13:43:20,676 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_set_register_16be [2019-09-20 13:43:20,676 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_lfsr16 [2019-09-20 13:43:20,676 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_set_register_lfsr16 [2019-09-20 13:43:20,677 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_set_vid_cmds [2019-09-20 13:43:20,677 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_set_video_mode [2019-09-20 13:43:20,677 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_ops_mmap [2019-09-20 13:43:20,677 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_trim_hline [2019-09-20 13:43:20,677 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_compress_hline [2019-09-20 13:43:20,678 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-09-20 13:43:20,678 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_render_hline [2019-09-20 13:43:20,678 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-09-20 13:43:20,678 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_handle_damage [2019-09-20 13:43:20,678 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_ops_write [2019-09-20 13:43:20,678 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_ops_copyarea [2019-09-20 13:43:20,679 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_ops_imageblit [2019-09-20 13:43:20,679 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_ops_fillrect [2019-09-20 13:43:20,679 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_dpy_deferred_io [2019-09-20 13:43:20,679 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_get_edid [2019-09-20 13:43:20,679 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_ops_ioctl [2019-09-20 13:43:20,679 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_ops_setcolreg [2019-09-20 13:43:20,680 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_ops_open [2019-09-20 13:43:20,680 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_free [2019-09-20 13:43:20,680 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_release_urb_work [2019-09-20 13:43:20,680 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_free_framebuffer [2019-09-20 13:43:20,680 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_free_framebuffer_work [2019-09-20 13:43:20,681 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_ops_release [2019-09-20 13:43:20,681 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_is_valid_mode [2019-09-20 13:43:20,681 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_var_color_format [2019-09-20 13:43:20,681 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_ops_check_var [2019-09-20 13:43:20,681 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_ops_set_par [2019-09-20 13:43:20,681 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_dummy_render [2019-09-20 13:43:20,682 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_ops_blank [2019-09-20 13:43:20,682 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_realloc_framebuffer [2019-09-20 13:43:20,682 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_setup_modes [2019-09-20 13:43:20,682 INFO L130 BoogieDeclarations]: Found specification of procedure metrics_bytes_rendered_show [2019-09-20 13:43:20,682 INFO L130 BoogieDeclarations]: Found specification of procedure metrics_bytes_identical_show [2019-09-20 13:43:20,682 INFO L130 BoogieDeclarations]: Found specification of procedure metrics_bytes_sent_show [2019-09-20 13:43:20,682 INFO L130 BoogieDeclarations]: Found specification of procedure metrics_cpu_kcycles_used_show [2019-09-20 13:43:20,683 INFO L130 BoogieDeclarations]: Found specification of procedure edid_show [2019-09-20 13:43:20,683 INFO L130 BoogieDeclarations]: Found specification of procedure edid_store [2019-09-20 13:43:20,683 INFO L130 BoogieDeclarations]: Found specification of procedure metrics_reset_store [2019-09-20 13:43:20,683 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_select_std_channel [2019-09-20 13:43:20,683 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_parse_vendor_descriptor [2019-09-20 13:43:20,683 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_init_framebuffer_work [2019-09-20 13:43:20,684 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_usb_probe [2019-09-20 13:43:20,684 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_usb_disconnect [2019-09-20 13:43:20,684 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_driver_init [2019-09-20 13:43:20,684 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_driver_exit [2019-09-20 13:43:20,684 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_edid_attr_probe_2 [2019-09-20 13:43:20,684 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dlfb_ops_probe_3 [2019-09-20 13:43:20,684 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_edid_attr_release_2 [2019-09-20 13:43:20,685 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-09-20 13:43:20,685 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-09-20 13:43:20,685 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dlfb_ops_release_3 [2019-09-20 13:43:20,685 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 13:43:20,685 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2019-09-20 13:43:20,686 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2019-09-20 13:43:20,686 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_cred_guard_mutex_of_signal_struct [2019-09-20 13:43:20,686 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_cred_guard_mutex_of_signal_struct [2019-09-20 13:43:20,686 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_cred_guard_mutex_of_signal_struct [2019-09-20 13:43:20,686 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_cred_guard_mutex_of_signal_struct [2019-09-20 13:43:20,686 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_cred_guard_mutex_of_signal_struct [2019-09-20 13:43:20,687 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_lock [2019-09-20 13:43:20,687 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_lock [2019-09-20 13:43:20,687 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_lock [2019-09-20 13:43:20,687 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_lock [2019-09-20 13:43:20,687 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_lock [2019-09-20 13:43:20,688 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_lock_of_fb_info [2019-09-20 13:43:20,688 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_lock_of_fb_info [2019-09-20 13:43:20,688 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_lock_of_fb_info [2019-09-20 13:43:20,688 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_lock_of_fb_info [2019-09-20 13:43:20,688 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_lock_of_fb_info [2019-09-20 13:43:20,689 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_mutex_of_device [2019-09-20 13:43:20,689 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_mutex_of_device [2019-09-20 13:43:20,689 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2019-09-20 13:43:20,689 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_mutex_of_device [2019-09-20 13:43:20,689 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_update_lock_of_backlight_device [2019-09-20 13:43:20,689 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_update_lock_of_backlight_device [2019-09-20 13:43:20,690 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_update_lock_of_backlight_device [2019-09-20 13:43:20,690 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_update_lock_of_backlight_device [2019-09-20 13:43:20,690 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_update_lock_of_backlight_device [2019-09-20 13:43:20,690 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-09-20 13:43:20,690 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-09-20 13:43:20,691 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2019-09-20 13:43:20,691 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-09-20 13:43:20,691 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-09-20 13:43:20,691 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-20 13:43:20,691 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 13:43:20,691 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-20 13:43:20,692 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-09-20 13:43:20,692 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 13:43:20,692 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2019-09-20 13:43:20,692 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2019-09-20 13:43:20,692 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-09-20 13:43:20,692 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-09-20 13:43:31,715 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 13:43:31,715 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-20 13:43:31,718 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:43:31 BoogieIcfgContainer [2019-09-20 13:43:31,718 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 13:43:31,719 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-20 13:43:31,719 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-20 13:43:31,722 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-20 13:43:31,722 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.09 01:43:16" (1/3) ... [2019-09-20 13:43:31,723 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62f6cc90 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 01:43:31, skipping insertion in model container [2019-09-20 13:43:31,723 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:43:20" (2/3) ... [2019-09-20 13:43:31,724 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62f6cc90 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 01:43:31, skipping insertion in model container [2019-09-20 13:43:31,724 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:43:31" (3/3) ... [2019-09-20 13:43:31,727 INFO L109 eAbstractionObserver]: Analyzing ICFG 32_7a_cilled_linux-3.8-rc1-drivers--video--udlfb.ko-main.cil.out.i [2019-09-20 13:43:31,737 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-20 13:43:31,748 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-20 13:43:31,768 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-20 13:43:31,798 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-20 13:43:31,798 INFO L378 AbstractCegarLoop]: Hoare is false [2019-09-20 13:43:31,798 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-20 13:43:31,798 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-20 13:43:31,799 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-20 13:43:31,799 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-20 13:43:31,799 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-20 13:43:31,799 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-20 13:43:31,859 INFO L276 IsEmpty]: Start isEmpty. Operand 1677 states. [2019-09-20 13:43:31,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-09-20 13:43:31,892 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:43:31,893 INFO L407 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-20 13:43:31,899 INFO L418 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:43:31,904 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:43:31,904 INFO L82 PathProgramCache]: Analyzing trace with hash 30188579, now seen corresponding path program 1 times [2019-09-20 13:43:31,906 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-20 13:43:31,993 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:43:31,994 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:43:31,994 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:43:31,994 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-20 13:43:32,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:43:32,579 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-20 13:43:32,581 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:43:32,582 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-20 13:43:32,582 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-20 13:43:32,587 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-20 13:43:32,603 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-20 13:43:32,603 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-20 13:43:32,606 INFO L87 Difference]: Start difference. First operand 1677 states. Second operand 3 states. [2019-09-20 13:43:33,700 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:43:33,700 INFO L93 Difference]: Finished difference Result 2904 states and 3726 transitions. [2019-09-20 13:43:33,703 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-20 13:43:33,704 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 34 [2019-09-20 13:43:33,705 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:43:33,757 INFO L225 Difference]: With dead ends: 2904 [2019-09-20 13:43:33,757 INFO L226 Difference]: Without dead ends: 2891 [2019-09-20 13:43:33,759 INFO L636 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 [2019-09-20 13:43:33,791 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2891 states. [2019-09-20 13:43:34,000 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2891 to 2887. [2019-09-20 13:43:34,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2887 states. [2019-09-20 13:43:34,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2887 states to 2887 states and 3704 transitions. [2019-09-20 13:43:34,023 INFO L78 Accepts]: Start accepts. Automaton has 2887 states and 3704 transitions. Word has length 34 [2019-09-20 13:43:34,024 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:43:34,024 INFO L475 AbstractCegarLoop]: Abstraction has 2887 states and 3704 transitions. [2019-09-20 13:43:34,024 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-20 13:43:34,024 INFO L276 IsEmpty]: Start isEmpty. Operand 2887 states and 3704 transitions. [2019-09-20 13:43:34,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2019-09-20 13:43:34,031 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:43:34,031 INFO L407 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-20 13:43:34,031 INFO L418 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:43:34,031 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:43:34,032 INFO L82 PathProgramCache]: Analyzing trace with hash 235529099, now seen corresponding path program 1 times [2019-09-20 13:43:34,032 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-20 13:43:34,050 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:43:34,050 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:43:34,050 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:43:34,051 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-20 13:43:34,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:43:34,259 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-20 13:43:34,260 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:43:34,260 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-20 13:43:34,261 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-20 13:43:34,265 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-20 13:43:34,265 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-20 13:43:34,266 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-20 13:43:34,266 INFO L87 Difference]: Start difference. First operand 2887 states and 3704 transitions. Second operand 3 states. [2019-09-20 13:43:34,504 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:43:34,504 INFO L93 Difference]: Finished difference Result 5664 states and 7251 transitions. [2019-09-20 13:43:34,504 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-20 13:43:34,505 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 42 [2019-09-20 13:43:34,505 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:43:34,547 INFO L225 Difference]: With dead ends: 5664 [2019-09-20 13:43:34,547 INFO L226 Difference]: Without dead ends: 5664 [2019-09-20 13:43:34,548 INFO L636 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 [2019-09-20 13:43:34,557 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5664 states. [2019-09-20 13:43:34,763 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5664 to 5636. [2019-09-20 13:43:34,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5636 states. [2019-09-20 13:43:34,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5636 states to 5636 states and 7220 transitions. [2019-09-20 13:43:34,814 INFO L78 Accepts]: Start accepts. Automaton has 5636 states and 7220 transitions. Word has length 42 [2019-09-20 13:43:34,814 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:43:34,815 INFO L475 AbstractCegarLoop]: Abstraction has 5636 states and 7220 transitions. [2019-09-20 13:43:34,815 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-20 13:43:34,815 INFO L276 IsEmpty]: Start isEmpty. Operand 5636 states and 7220 transitions. [2019-09-20 13:43:34,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2019-09-20 13:43:34,819 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:43:34,819 INFO L407 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-20 13:43:34,820 INFO L418 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:43:34,820 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:43:34,820 INFO L82 PathProgramCache]: Analyzing trace with hash -577293270, now seen corresponding path program 1 times [2019-09-20 13:43:34,821 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-20 13:43:34,844 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:43:34,845 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:43:34,845 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:43:34,845 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-20 13:43:34,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:43:35,106 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-20 13:43:35,106 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:43:35,106 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-20 13:43:35,106 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-20 13:43:35,107 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-20 13:43:35,108 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-20 13:43:35,108 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-20 13:43:35,109 INFO L87 Difference]: Start difference. First operand 5636 states and 7220 transitions. Second operand 3 states. [2019-09-20 13:43:35,281 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:43:35,281 INFO L93 Difference]: Finished difference Result 5649 states and 7235 transitions. [2019-09-20 13:43:35,282 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-20 13:43:35,282 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 39 [2019-09-20 13:43:35,282 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:43:35,315 INFO L225 Difference]: With dead ends: 5649 [2019-09-20 13:43:35,315 INFO L226 Difference]: Without dead ends: 5649 [2019-09-20 13:43:35,316 INFO L636 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 [2019-09-20 13:43:35,324 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5649 states. [2019-09-20 13:43:35,503 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5649 to 5636. [2019-09-20 13:43:35,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5636 states. [2019-09-20 13:43:35,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5636 states to 5636 states and 7219 transitions. [2019-09-20 13:43:35,528 INFO L78 Accepts]: Start accepts. Automaton has 5636 states and 7219 transitions. Word has length 39 [2019-09-20 13:43:35,528 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:43:35,529 INFO L475 AbstractCegarLoop]: Abstraction has 5636 states and 7219 transitions. [2019-09-20 13:43:35,529 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-20 13:43:35,529 INFO L276 IsEmpty]: Start isEmpty. Operand 5636 states and 7219 transitions. [2019-09-20 13:43:35,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2019-09-20 13:43:35,532 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:43:35,532 INFO L407 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-20 13:43:35,532 INFO L418 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:43:35,533 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:43:35,533 INFO L82 PathProgramCache]: Analyzing trace with hash -520034968, now seen corresponding path program 1 times [2019-09-20 13:43:35,533 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-20 13:43:35,549 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:43:35,549 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:43:35,549 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:43:35,549 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-20 13:43:35,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:43:36,483 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-20 13:43:36,484 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:43:36,484 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-20 13:43:36,484 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-20 13:43:36,485 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-20 13:43:36,485 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-20 13:43:36,486 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-20 13:43:36,486 INFO L87 Difference]: Start difference. First operand 5636 states and 7219 transitions. Second operand 3 states. [2019-09-20 13:43:37,542 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:43:37,543 INFO L93 Difference]: Finished difference Result 5635 states and 7217 transitions. [2019-09-20 13:43:37,543 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-20 13:43:37,543 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 39 [2019-09-20 13:43:37,544 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:43:37,578 INFO L225 Difference]: With dead ends: 5635 [2019-09-20 13:43:37,578 INFO L226 Difference]: Without dead ends: 5635 [2019-09-20 13:43:37,579 INFO L636 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 [2019-09-20 13:43:37,588 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5635 states. [2019-09-20 13:43:37,751 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5635 to 5635. [2019-09-20 13:43:37,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5635 states. [2019-09-20 13:43:37,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5635 states to 5635 states and 7217 transitions. [2019-09-20 13:43:37,784 INFO L78 Accepts]: Start accepts. Automaton has 5635 states and 7217 transitions. Word has length 39 [2019-09-20 13:43:37,784 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:43:37,784 INFO L475 AbstractCegarLoop]: Abstraction has 5635 states and 7217 transitions. [2019-09-20 13:43:37,785 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-20 13:43:37,785 INFO L276 IsEmpty]: Start isEmpty. Operand 5635 states and 7217 transitions. [2019-09-20 13:43:37,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2019-09-20 13:43:37,787 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:43:37,787 INFO L407 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-20 13:43:37,788 INFO L418 AbstractCegarLoop]: === Iteration 5 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:43:37,788 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:43:37,788 INFO L82 PathProgramCache]: Analyzing trace with hash 1057987564, now seen corresponding path program 1 times [2019-09-20 13:43:37,788 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-20 13:43:37,801 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:43:37,801 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:43:37,802 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:43:37,802 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-20 13:43:37,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:43:37,988 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-20 13:43:37,988 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:43:37,988 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-20 13:43:37,989 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-20 13:43:37,989 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-20 13:43:37,989 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-20 13:43:37,990 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-20 13:43:37,990 INFO L87 Difference]: Start difference. First operand 5635 states and 7217 transitions. Second operand 3 states. [2019-09-20 13:43:39,204 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:43:39,205 INFO L93 Difference]: Finished difference Result 5634 states and 7215 transitions. [2019-09-20 13:43:39,205 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-20 13:43:39,206 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 40 [2019-09-20 13:43:39,206 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:43:39,242 INFO L225 Difference]: With dead ends: 5634 [2019-09-20 13:43:39,242 INFO L226 Difference]: Without dead ends: 5634 [2019-09-20 13:43:39,243 INFO L636 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 [2019-09-20 13:43:39,255 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5634 states. [2019-09-20 13:43:39,430 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5634 to 5634. [2019-09-20 13:43:39,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5634 states. [2019-09-20 13:43:39,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5634 states to 5634 states and 7215 transitions. [2019-09-20 13:43:39,469 INFO L78 Accepts]: Start accepts. Automaton has 5634 states and 7215 transitions. Word has length 40 [2019-09-20 13:43:39,470 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:43:39,470 INFO L475 AbstractCegarLoop]: Abstraction has 5634 states and 7215 transitions. [2019-09-20 13:43:39,470 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-20 13:43:39,470 INFO L276 IsEmpty]: Start isEmpty. Operand 5634 states and 7215 transitions. [2019-09-20 13:43:39,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2019-09-20 13:43:39,474 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:43:39,474 INFO L407 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-20 13:43:39,474 INFO L418 AbstractCegarLoop]: === Iteration 6 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:43:39,475 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:43:39,475 INFO L82 PathProgramCache]: Analyzing trace with hash -1562916629, now seen corresponding path program 1 times [2019-09-20 13:43:39,475 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-20 13:43:39,496 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:43:39,496 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:43:39,496 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:43:39,497 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-20 13:43:39,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:43:39,725 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-20 13:43:39,725 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:43:39,725 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-20 13:43:39,725 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-20 13:43:39,726 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-20 13:43:39,726 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-20 13:43:39,726 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-20 13:43:39,727 INFO L87 Difference]: Start difference. First operand 5634 states and 7215 transitions. Second operand 3 states. [2019-09-20 13:43:41,172 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:43:41,173 INFO L93 Difference]: Finished difference Result 11179 states and 14483 transitions. [2019-09-20 13:43:41,173 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-20 13:43:41,173 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 41 [2019-09-20 13:43:41,174 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:43:41,258 INFO L225 Difference]: With dead ends: 11179 [2019-09-20 13:43:41,258 INFO L226 Difference]: Without dead ends: 11179 [2019-09-20 13:43:41,259 INFO L636 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 [2019-09-20 13:43:41,274 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11179 states. [2019-09-20 13:43:41,622 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11179 to 11161. [2019-09-20 13:43:41,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11161 states. [2019-09-20 13:43:41,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11161 states to 11161 states and 14466 transitions. [2019-09-20 13:43:41,875 INFO L78 Accepts]: Start accepts. Automaton has 11161 states and 14466 transitions. Word has length 41 [2019-09-20 13:43:41,875 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:43:41,876 INFO L475 AbstractCegarLoop]: Abstraction has 11161 states and 14466 transitions. [2019-09-20 13:43:41,876 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-20 13:43:41,876 INFO L276 IsEmpty]: Start isEmpty. Operand 11161 states and 14466 transitions. [2019-09-20 13:43:41,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2019-09-20 13:43:41,878 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:43:41,878 INFO L407 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-20 13:43:41,879 INFO L418 AbstractCegarLoop]: === Iteration 7 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:43:41,879 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:43:41,879 INFO L82 PathProgramCache]: Analyzing trace with hash -1206563121, now seen corresponding path program 1 times [2019-09-20 13:43:41,879 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-20 13:43:41,895 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:43:41,895 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:43:41,895 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:43:41,896 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-20 13:43:41,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:43:42,103 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-20 13:43:42,104 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:43:42,104 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-20 13:43:42,104 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-20 13:43:42,104 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-20 13:43:42,104 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-20 13:43:42,105 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-20 13:43:42,105 INFO L87 Difference]: Start difference. First operand 11161 states and 14466 transitions. Second operand 3 states. [2019-09-20 13:43:43,344 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:43:43,344 INFO L93 Difference]: Finished difference Result 11160 states and 14464 transitions. [2019-09-20 13:43:43,345 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-20 13:43:43,345 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 42 [2019-09-20 13:43:43,347 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:43:43,395 INFO L225 Difference]: With dead ends: 11160 [2019-09-20 13:43:43,395 INFO L226 Difference]: Without dead ends: 11160 [2019-09-20 13:43:43,396 INFO L636 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 [2019-09-20 13:43:43,410 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11160 states. [2019-09-20 13:43:43,662 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11160 to 11160. [2019-09-20 13:43:43,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11160 states. [2019-09-20 13:43:43,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11160 states to 11160 states and 14464 transitions. [2019-09-20 13:43:43,705 INFO L78 Accepts]: Start accepts. Automaton has 11160 states and 14464 transitions. Word has length 42 [2019-09-20 13:43:43,705 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:43:43,705 INFO L475 AbstractCegarLoop]: Abstraction has 11160 states and 14464 transitions. [2019-09-20 13:43:43,705 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-20 13:43:43,705 INFO L276 IsEmpty]: Start isEmpty. Operand 11160 states and 14464 transitions. [2019-09-20 13:43:43,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2019-09-20 13:43:43,707 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:43:43,707 INFO L407 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-20 13:43:43,708 INFO L418 AbstractCegarLoop]: === Iteration 8 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:43:43,708 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:43:43,708 INFO L82 PathProgramCache]: Analyzing trace with hash 1250465902, now seen corresponding path program 1 times [2019-09-20 13:43:43,708 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-20 13:43:43,722 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:43:43,722 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:43:43,723 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:43:43,723 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-20 13:43:43,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:43:43,908 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-20 13:43:43,908 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:43:43,909 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-20 13:43:43,909 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-20 13:43:43,909 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-20 13:43:43,909 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-20 13:43:43,910 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-20 13:43:43,910 INFO L87 Difference]: Start difference. First operand 11160 states and 14464 transitions. Second operand 3 states. [2019-09-20 13:43:45,328 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:43:45,329 INFO L93 Difference]: Finished difference Result 11159 states and 14462 transitions. [2019-09-20 13:43:45,422 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-20 13:43:45,422 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 43 [2019-09-20 13:43:45,422 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:43:45,463 INFO L225 Difference]: With dead ends: 11159 [2019-09-20 13:43:45,463 INFO L226 Difference]: Without dead ends: 11140 [2019-09-20 13:43:45,463 INFO L636 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 [2019-09-20 13:43:45,479 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11140 states. [2019-09-20 13:43:45,760 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11140 to 11140. [2019-09-20 13:43:45,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11140 states. [2019-09-20 13:43:45,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11140 states to 11140 states and 14439 transitions. [2019-09-20 13:43:45,811 INFO L78 Accepts]: Start accepts. Automaton has 11140 states and 14439 transitions. Word has length 43 [2019-09-20 13:43:45,812 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:43:45,812 INFO L475 AbstractCegarLoop]: Abstraction has 11140 states and 14439 transitions. [2019-09-20 13:43:45,812 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-20 13:43:45,812 INFO L276 IsEmpty]: Start isEmpty. Operand 11140 states and 14439 transitions. [2019-09-20 13:43:45,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2019-09-20 13:43:45,825 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:43:45,826 INFO L407 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-20 13:43:45,826 INFO L418 AbstractCegarLoop]: === Iteration 9 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:43:45,826 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:43:45,827 INFO L82 PathProgramCache]: Analyzing trace with hash -1086463741, now seen corresponding path program 1 times [2019-09-20 13:43:45,827 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-20 13:43:45,973 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:43:45,973 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:43:45,973 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:43:45,973 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-20 13:43:46,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:43:46,221 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-20 13:43:46,221 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:43:46,222 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-20 13:43:46,222 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-20 13:43:46,223 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-20 13:43:46,223 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-20 13:43:46,223 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-20 13:43:46,224 INFO L87 Difference]: Start difference. First operand 11140 states and 14439 transitions. Second operand 3 states. [2019-09-20 13:43:47,506 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:43:47,506 INFO L93 Difference]: Finished difference Result 16659 states and 21577 transitions. [2019-09-20 13:43:47,507 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-20 13:43:47,507 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 88 [2019-09-20 13:43:47,507 INFO L84 Accepts]: Finished accepts. some prefix is accepted.