java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/ldv-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 13:20:45,779 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 13:20:45,781 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 13:20:45,794 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 13:20:45,794 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 13:20:45,795 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 13:20:45,796 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 13:20:45,798 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 13:20:45,800 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 13:20:45,801 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 13:20:45,802 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 13:20:45,803 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 13:20:45,804 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 13:20:45,805 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 13:20:45,806 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 13:20:45,807 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 13:20:45,808 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 13:20:45,809 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 13:20:45,811 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 13:20:45,813 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 13:20:45,815 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 13:20:45,816 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 13:20:45,818 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 13:20:45,818 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 13:20:45,821 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 13:20:45,821 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 13:20:45,822 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 13:20:45,823 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 13:20:45,823 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 13:20:45,824 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 13:20:45,825 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 13:20:45,827 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 13:20:45,828 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 13:20:45,829 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 13:20:45,830 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 13:20:45,830 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 13:20:45,831 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 13:20:45,831 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 13:20:45,831 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 13:20:45,832 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 13:20:45,833 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 13:20:45,834 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-09-20 13:20:45,849 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 13:20:45,849 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 13:20:45,852 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 13:20:45,853 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 13:20:45,853 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 13:20:45,854 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 13:20:45,854 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 13:20:45,854 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 13:20:45,855 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 13:20:45,855 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 13:20:45,855 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 13:20:45,855 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 13:20:45,855 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 13:20:45,856 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 13:20:45,856 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 13:20:45,856 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 13:20:45,857 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 13:20:45,858 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 13:20:45,858 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 13:20:45,858 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 13:20:45,858 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 13:20:45,859 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 13:20:45,859 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 13:20:45,859 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 13:20:45,860 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 13:20:45,860 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 13:20:45,860 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 13:20:45,860 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 13:20:45,860 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-20 13:20:45,912 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 13:20:45,929 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 13:20:45,934 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 13:20:45,936 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 13:20:45,938 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 13:20:45,939 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--video--udlfb.ko-main.cil.out.i [2019-09-20 13:20:46,016 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/848e2268e/0f56da228dd144f298953c97e3a68c20/FLAG3d66fd0c7 [2019-09-20 13:20:46,911 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 13:20:46,912 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--video--udlfb.ko-main.cil.out.i [2019-09-20 13:20:46,959 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/848e2268e/0f56da228dd144f298953c97e3a68c20/FLAG3d66fd0c7 [2019-09-20 13:20:47,360 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/848e2268e/0f56da228dd144f298953c97e3a68c20 [2019-09-20 13:20:47,371 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 13:20:47,373 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 13:20:47,374 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 13:20:47,374 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 13:20:47,378 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 13:20:47,379 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:20:47" (1/1) ... [2019-09-20 13:20:47,382 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2f4cdf29 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:20:47, skipping insertion in model container [2019-09-20 13:20:47,383 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:20:47" (1/1) ... [2019-09-20 13:20:47,391 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 13:20:47,523 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 13:20:49,439 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 13:20:49,477 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 13:20:49,850 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 13:20:50,240 INFO L192 MainTranslator]: Completed translation [2019-09-20 13:20:50,241 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:20:50 WrapperNode [2019-09-20 13:20:50,241 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 13:20:50,242 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 13:20:50,243 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 13:20:50,244 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 13:20:50,261 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:20:50" (1/1) ... [2019-09-20 13:20:50,263 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:20:50" (1/1) ... [2019-09-20 13:20:50,379 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:20:50" (1/1) ... [2019-09-20 13:20:50,379 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:20:50" (1/1) ... [2019-09-20 13:20:50,523 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:20:50" (1/1) ... [2019-09-20 13:20:50,553 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:20:50" (1/1) ... [2019-09-20 13:20:50,591 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:20:50" (1/1) ... [2019-09-20 13:20:50,630 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 13:20:50,630 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 13:20:50,630 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 13:20:50,631 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 13:20:50,632 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:20:50" (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 13:20:50,719 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 13:20:50,719 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 13:20:50,720 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2019-09-20 13:20:50,720 INFO L138 BoogieDeclarations]: Found implementation of procedure avoid_zero [2019-09-20 13:20:50,721 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2019-09-20 13:20:50,721 INFO L138 BoogieDeclarations]: Found implementation of procedure __swab16p [2019-09-20 13:20:50,721 INFO L138 BoogieDeclarations]: Found implementation of procedure __cpu_to_be16p [2019-09-20 13:20:50,721 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2019-09-20 13:20:50,722 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2019-09-20 13:20:50,722 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del_init [2019-09-20 13:20:50,722 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2019-09-20 13:20:50,722 INFO L138 BoogieDeclarations]: Found implementation of procedure paravirt_read_tsc [2019-09-20 13:20:50,724 INFO L138 BoogieDeclarations]: Found implementation of procedure prefetchw [2019-09-20 13:20:50,725 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2019-09-20 13:20:50,726 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2019-09-20 13:20:50,726 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_add [2019-09-20 13:20:50,729 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_sub_and_test [2019-09-20 13:20:50,729 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2019-09-20 13:20:50,729 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2019-09-20 13:20:50,730 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2019-09-20 13:20:50,730 INFO L138 BoogieDeclarations]: Found implementation of procedure get_cycles [2019-09-20 13:20:50,730 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_init [2019-09-20 13:20:50,730 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_get [2019-09-20 13:20:50,730 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_sub [2019-09-20 13:20:50,730 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_put [2019-09-20 13:20:50,730 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2019-09-20 13:20:50,731 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2019-09-20 13:20:50,731 INFO L138 BoogieDeclarations]: Found implementation of procedure sema_init [2019-09-20 13:20:50,731 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intfdata [2019-09-20 13:20:50,731 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2019-09-20 13:20:50,731 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2019-09-20 13:20:50,731 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_bulk_urb [2019-09-20 13:20:50,732 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2019-09-20 13:20:50,732 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2019-09-20 13:20:50,732 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-09-20 13:20:50,732 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2019-09-20 13:20:50,732 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2019-09-20 13:20:50,733 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2019-09-20 13:20:50,733 INFO L138 BoogieDeclarations]: Found implementation of procedure prefetch_range [2019-09-20 13:20:50,733 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_set_register [2019-09-20 13:20:50,733 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_vidreg_lock [2019-09-20 13:20:50,733 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_vidreg_unlock [2019-09-20 13:20:50,733 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_blanking [2019-09-20 13:20:50,734 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_set_color_depth [2019-09-20 13:20:50,734 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_set_base16bpp [2019-09-20 13:20:50,734 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_set_base8bpp [2019-09-20 13:20:50,734 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_set_register_16 [2019-09-20 13:20:50,734 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_set_register_16be [2019-09-20 13:20:50,734 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_lfsr16 [2019-09-20 13:20:50,734 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_set_register_lfsr16 [2019-09-20 13:20:50,735 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_set_vid_cmds [2019-09-20 13:20:50,735 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_set_video_mode [2019-09-20 13:20:50,735 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_ops_mmap [2019-09-20 13:20:50,735 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_trim_hline [2019-09-20 13:20:50,735 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_compress_hline [2019-09-20 13:20:50,735 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_render_hline [2019-09-20 13:20:50,736 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_handle_damage [2019-09-20 13:20:50,736 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_ops_write [2019-09-20 13:20:50,736 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_ops_copyarea [2019-09-20 13:20:50,736 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_ops_imageblit [2019-09-20 13:20:50,737 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_ops_fillrect [2019-09-20 13:20:50,737 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_dpy_deferred_io [2019-09-20 13:20:50,737 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_get_edid [2019-09-20 13:20:50,737 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_ops_ioctl [2019-09-20 13:20:50,737 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_ops_setcolreg [2019-09-20 13:20:50,737 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_ops_open [2019-09-20 13:20:50,737 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_free [2019-09-20 13:20:50,738 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_release_urb_work [2019-09-20 13:20:50,738 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_free_framebuffer [2019-09-20 13:20:50,738 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_free_framebuffer_work [2019-09-20 13:20:50,738 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_ops_release [2019-09-20 13:20:50,738 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_is_valid_mode [2019-09-20 13:20:50,739 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_var_color_format [2019-09-20 13:20:50,739 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_ops_check_var [2019-09-20 13:20:50,739 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_ops_set_par [2019-09-20 13:20:50,740 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_dummy_render [2019-09-20 13:20:50,740 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_ops_blank [2019-09-20 13:20:50,740 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_realloc_framebuffer [2019-09-20 13:20:50,740 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_setup_modes [2019-09-20 13:20:50,740 INFO L138 BoogieDeclarations]: Found implementation of procedure metrics_bytes_rendered_show [2019-09-20 13:20:50,740 INFO L138 BoogieDeclarations]: Found implementation of procedure metrics_bytes_identical_show [2019-09-20 13:20:50,741 INFO L138 BoogieDeclarations]: Found implementation of procedure metrics_bytes_sent_show [2019-09-20 13:20:50,741 INFO L138 BoogieDeclarations]: Found implementation of procedure metrics_cpu_kcycles_used_show [2019-09-20 13:20:50,741 INFO L138 BoogieDeclarations]: Found implementation of procedure edid_show [2019-09-20 13:20:50,741 INFO L138 BoogieDeclarations]: Found implementation of procedure edid_store [2019-09-20 13:20:50,741 INFO L138 BoogieDeclarations]: Found implementation of procedure metrics_reset_store [2019-09-20 13:20:50,741 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_select_std_channel [2019-09-20 13:20:50,742 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_parse_vendor_descriptor [2019-09-20 13:20:50,742 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_usb_probe [2019-09-20 13:20:50,742 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_init_framebuffer_work [2019-09-20 13:20:50,743 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_usb_disconnect [2019-09-20 13:20:50,744 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_driver_init [2019-09-20 13:20:50,744 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_driver_exit [2019-09-20 13:20:50,744 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_urb_completion [2019-09-20 13:20:50,744 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_free_urb_list [2019-09-20 13:20:50,744 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_alloc_urb_list [2019-09-20 13:20:50,744 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_get_urb [2019-09-20 13:20:50,745 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_submit_urb [2019-09-20 13:20:50,745 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 13:20:50,745 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_1 [2019-09-20 13:20:50,745 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_2 [2019-09-20 13:20:50,745 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_3 [2019-09-20 13:20:50,745 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_4 [2019-09-20 13:20:50,745 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_5 [2019-09-20 13:20:50,746 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_6 [2019-09-20 13:20:50,746 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_7 [2019-09-20 13:20:50,746 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_8 [2019-09-20 13:20:50,746 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_9 [2019-09-20 13:20:50,746 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_10 [2019-09-20 13:20:50,746 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_11 [2019-09-20 13:20:50,746 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_12 [2019-09-20 13:20:50,747 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_register_driver_13 [2019-09-20 13:20:50,747 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_deregister_14 [2019-09-20 13:20:50,747 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2019-09-20 13:20:50,747 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2019-09-20 13:20:50,747 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2019-09-20 13:20:50,748 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_cred_guard_mutex_of_signal_struct [2019-09-20 13:20:50,748 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_cred_guard_mutex_of_signal_struct [2019-09-20 13:20:50,748 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_cred_guard_mutex_of_signal_struct [2019-09-20 13:20:50,748 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_cred_guard_mutex_of_signal_struct [2019-09-20 13:20:50,749 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_cred_guard_mutex_of_signal_struct [2019-09-20 13:20:50,749 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_cred_guard_mutex_of_signal_struct [2019-09-20 13:20:50,749 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_cred_guard_mutex_of_signal_struct [2019-09-20 13:20:50,749 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_lock [2019-09-20 13:20:50,750 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_lock [2019-09-20 13:20:50,750 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock [2019-09-20 13:20:50,750 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_lock [2019-09-20 13:20:50,750 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_lock [2019-09-20 13:20:50,750 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_lock [2019-09-20 13:20:50,751 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock [2019-09-20 13:20:50,751 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_lock_of_fb_info [2019-09-20 13:20:50,751 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_lock_of_fb_info [2019-09-20 13:20:50,751 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock_of_fb_info [2019-09-20 13:20:50,751 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_lock_of_fb_info [2019-09-20 13:20:50,752 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_lock_of_fb_info [2019-09-20 13:20:50,752 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_lock_of_fb_info [2019-09-20 13:20:50,752 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock_of_fb_info [2019-09-20 13:20:50,752 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_mutex_of_device [2019-09-20 13:20:50,752 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_mutex_of_device [2019-09-20 13:20:50,753 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mutex_of_device [2019-09-20 13:20:50,756 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_mutex_of_device [2019-09-20 13:20:50,757 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2019-09-20 13:20:50,757 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_mutex_of_device [2019-09-20 13:20:50,758 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex_of_device [2019-09-20 13:20:50,763 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_update_lock_of_backlight_device [2019-09-20 13:20:50,764 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_update_lock_of_backlight_device [2019-09-20 13:20:50,764 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_update_lock_of_backlight_device [2019-09-20 13:20:50,764 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_update_lock_of_backlight_device [2019-09-20 13:20:50,764 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_update_lock_of_backlight_device [2019-09-20 13:20:50,764 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_update_lock_of_backlight_device [2019-09-20 13:20:50,764 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_update_lock_of_backlight_device [2019-09-20 13:20:50,764 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-09-20 13:20:50,764 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-09-20 13:20:50,765 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2019-09-20 13:20:50,765 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2019-09-20 13:20:50,765 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_del_entry [2019-09-20 13:20:50,765 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2019-09-20 13:20:50,766 INFO L138 BoogieDeclarations]: Found implementation of procedure __usb_get_extra_descriptor [2019-09-20 13:20:50,766 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2019-09-20 13:20:50,767 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2019-09-20 13:20:50,767 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2019-09-20 13:20:50,767 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irqrestore [2019-09-20 13:20:50,767 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2019-09-20 13:20:50,767 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2019-09-20 13:20:50,767 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2019-09-20 13:20:50,767 INFO L138 BoogieDeclarations]: Found implementation of procedure device_create_bin_file [2019-09-20 13:20:50,767 INFO L138 BoogieDeclarations]: Found implementation of procedure device_create_file [2019-09-20 13:20:50,768 INFO L138 BoogieDeclarations]: Found implementation of procedure device_remove_bin_file [2019-09-20 13:20:50,768 INFO L138 BoogieDeclarations]: Found implementation of procedure device_remove_file [2019-09-20 13:20:50,768 INFO L138 BoogieDeclarations]: Found implementation of procedure down_interruptible [2019-09-20 13:20:50,768 INFO L138 BoogieDeclarations]: Found implementation of procedure down_timeout [2019-09-20 13:20:50,768 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_add_videomode [2019-09-20 13:20:50,768 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_alloc_cmap [2019-09-20 13:20:50,768 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_dealloc_cmap [2019-09-20 13:20:50,768 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_deferred_io_cleanup [2019-09-20 13:20:50,769 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_deferred_io_init [2019-09-20 13:20:50,769 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_destroy_modedb [2019-09-20 13:20:50,769 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_destroy_modelist [2019-09-20 13:20:50,769 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_edid_to_monspecs [2019-09-20 13:20:50,769 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_find_best_display [2019-09-20 13:20:50,769 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_find_nearest_mode [2019-09-20 13:20:50,769 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_sys_read [2019-09-20 13:20:50,769 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_sys_write [2019-09-20 13:20:50,770 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_var_to_videomode [2019-09-20 13:20:50,770 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_videomode_to_var [2019-09-20 13:20:50,770 INFO L138 BoogieDeclarations]: Found implementation of procedure framebuffer_alloc [2019-09-20 13:20:50,770 INFO L138 BoogieDeclarations]: Found implementation of procedure framebuffer_release [2019-09-20 13:20:50,770 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2019-09-20 13:20:50,770 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dlfb_ops_probe_3 [2019-09-20 13:20:50,770 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dlfb_ops_release_3 [2019-09-20 13:20:50,770 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_edid_attr_probe_2 [2019-09-20 13:20:50,771 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_edid_attr_release_2 [2019-09-20 13:20:50,771 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2019-09-20 13:20:50,771 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2019-09-20 13:20:50,771 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2019-09-20 13:20:50,771 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_trylock [2019-09-20 13:20:50,771 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2019-09-20 13:20:50,771 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2019-09-20 13:20:50,771 INFO L138 BoogieDeclarations]: Found implementation of procedure register_framebuffer [2019-09-20 13:20:50,772 INFO L138 BoogieDeclarations]: Found implementation of procedure remap_pfn_range [2019-09-20 13:20:50,772 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_delayed_work [2019-09-20 13:20:50,772 INFO L138 BoogieDeclarations]: Found implementation of procedure sys_copyarea [2019-09-20 13:20:50,772 INFO L138 BoogieDeclarations]: Found implementation of procedure sys_fillrect [2019-09-20 13:20:50,772 INFO L138 BoogieDeclarations]: Found implementation of procedure sys_imageblit [2019-09-20 13:20:50,772 INFO L138 BoogieDeclarations]: Found implementation of procedure unlink_framebuffer [2019-09-20 13:20:50,772 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_framebuffer [2019-09-20 13:20:50,772 INFO L138 BoogieDeclarations]: Found implementation of procedure up [2019-09-20 13:20:50,773 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_coherent [2019-09-20 13:20:50,773 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2019-09-20 13:20:50,773 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2019-09-20 13:20:50,773 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_deregister [2019-09-20 13:20:50,773 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_coherent [2019-09-20 13:20:50,773 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2019-09-20 13:20:50,773 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_descriptor [2019-09-20 13:20:50,773 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register_driver [2019-09-20 13:20:50,774 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2019-09-20 13:20:50,774 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2019-09-20 13:20:50,774 INFO L138 BoogieDeclarations]: Found implementation of procedure vmalloc [2019-09-20 13:20:50,774 INFO L138 BoogieDeclarations]: Found implementation of procedure vmalloc_to_pfn [2019-09-20 13:20:50,774 INFO L138 BoogieDeclarations]: Found implementation of procedure vzalloc [2019-09-20 13:20:50,774 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_fmt [2019-09-20 13:20:50,774 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2019-09-20 13:20:50,774 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-09-20 13:20:50,774 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-09-20 13:20:50,775 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-09-20 13:20:50,775 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-09-20 13:20:50,775 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 13:20:50,775 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-20 13:20:50,775 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-09-20 13:20:50,775 INFO L130 BoogieDeclarations]: Found specification of procedure avoid_zero [2019-09-20 13:20:50,776 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2019-09-20 13:20:50,776 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2019-09-20 13:20:50,776 INFO L130 BoogieDeclarations]: Found specification of procedure __swab16p [2019-09-20 13:20:50,776 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-20 13:20:50,776 INFO L130 BoogieDeclarations]: Found specification of procedure __cpu_to_be16p [2019-09-20 13:20:50,776 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2019-09-20 13:20:50,776 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2019-09-20 13:20:50,776 INFO L130 BoogieDeclarations]: Found specification of procedure snprintf [2019-09-20 13:20:50,777 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2019-09-20 13:20:50,777 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-20 13:20:50,777 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2019-09-20 13:20:50,777 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2019-09-20 13:20:50,777 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-20 13:20:50,777 INFO L130 BoogieDeclarations]: Found specification of procedure __list_del_entry [2019-09-20 13:20:50,777 INFO L130 BoogieDeclarations]: Found specification of procedure list_del_init [2019-09-20 13:20:50,777 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2019-09-20 13:20:50,778 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-09-20 13:20:50,778 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-09-20 13:20:50,778 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2019-09-20 13:20:50,778 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_fmt [2019-09-20 13:20:50,778 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2019-09-20 13:20:50,778 INFO L130 BoogieDeclarations]: Found specification of procedure paravirt_read_tsc [2019-09-20 13:20:50,778 INFO L130 BoogieDeclarations]: Found specification of procedure prefetchw [2019-09-20 13:20:50,778 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2019-09-20 13:20:50,779 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2019-09-20 13:20:50,779 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-20 13:20:50,779 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_add [2019-09-20 13:20:50,779 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_sub_and_test [2019-09-20 13:20:50,779 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2019-09-20 13:20:50,779 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2019-09-20 13:20:50,779 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_trylock [2019-09-20 13:20:50,779 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_4 [2019-09-20 13:20:50,780 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2019-09-20 13:20:50,780 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_2 [2019-09-20 13:20:50,780 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_5 [2019-09-20 13:20:50,780 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_7 [2019-09-20 13:20:50,781 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_9 [2019-09-20 13:20:50,786 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_10 [2019-09-20 13:20:50,786 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_12 [2019-09-20 13:20:50,786 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2019-09-20 13:20:50,786 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_1 [2019-09-20 13:20:50,787 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_3 [2019-09-20 13:20:50,789 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_6 [2019-09-20 13:20:50,789 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_8 [2019-09-20 13:20:50,789 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_11 [2019-09-20 13:20:50,789 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_cred_guard_mutex_of_signal_struct [2019-09-20 13:20:50,790 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_cred_guard_mutex_of_signal_struct [2019-09-20 13:20:50,790 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock [2019-09-20 13:20:50,790 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock [2019-09-20 13:20:50,790 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock_of_fb_info [2019-09-20 13:20:50,790 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock_of_fb_info [2019-09-20 13:20:50,790 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mutex_of_device [2019-09-20 13:20:50,790 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_mutex_of_device [2019-09-20 13:20:50,790 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex_of_device [2019-09-20 13:20:50,791 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_update_lock_of_backlight_device [2019-09-20 13:20:50,791 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_update_lock_of_backlight_device [2019-09-20 13:20:50,791 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 13:20:50,791 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2019-09-20 13:20:50,791 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2019-09-20 13:20:50,791 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore [2019-09-20 13:20:50,791 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2019-09-20 13:20:50,792 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2019-09-20 13:20:50,792 INFO L130 BoogieDeclarations]: Found specification of procedure get_cycles [2019-09-20 13:20:50,792 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2019-09-20 13:20:50,792 INFO L130 BoogieDeclarations]: Found specification of procedure delayed_work_timer_fn [2019-09-20 13:20:50,792 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2019-09-20 13:20:50,792 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_delayed_work [2019-09-20 13:20:50,793 INFO L130 BoogieDeclarations]: Found specification of procedure vmalloc [2019-09-20 13:20:50,793 INFO L130 BoogieDeclarations]: Found specification of procedure vzalloc [2019-09-20 13:20:50,793 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2019-09-20 13:20:50,793 INFO L130 BoogieDeclarations]: Found specification of procedure kref_init [2019-09-20 13:20:50,793 INFO L130 BoogieDeclarations]: Found specification of procedure kref_get [2019-09-20 13:20:50,793 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-20 13:20:50,793 INFO L130 BoogieDeclarations]: Found specification of procedure kref_sub [2019-09-20 13:20:50,794 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2019-09-20 13:20:50,794 INFO L130 BoogieDeclarations]: Found specification of procedure kref_put [2019-09-20 13:20:50,794 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2019-09-20 13:20:50,794 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2019-09-20 13:20:50,794 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2019-09-20 13:20:50,794 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2019-09-20 13:20:50,794 INFO L130 BoogieDeclarations]: Found specification of procedure device_create_file [2019-09-20 13:20:50,794 INFO L130 BoogieDeclarations]: Found specification of procedure device_remove_file [2019-09-20 13:20:50,795 INFO L130 BoogieDeclarations]: Found specification of procedure device_create_bin_file [2019-09-20 13:20:50,795 INFO L130 BoogieDeclarations]: Found specification of procedure device_remove_bin_file [2019-09-20 13:20:50,795 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2019-09-20 13:20:50,795 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2019-09-20 13:20:50,795 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2019-09-20 13:20:50,795 INFO L130 BoogieDeclarations]: Found specification of procedure sema_init [2019-09-20 13:20:50,796 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-20 13:20:50,796 INFO L130 BoogieDeclarations]: Found specification of procedure down_interruptible [2019-09-20 13:20:50,796 INFO L130 BoogieDeclarations]: Found specification of procedure down_timeout [2019-09-20 13:20:50,796 INFO L130 BoogieDeclarations]: Found specification of procedure up [2019-09-20 13:20:50,796 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intfdata [2019-09-20 13:20:50,796 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2019-09-20 13:20:50,796 INFO L130 BoogieDeclarations]: Found specification of procedure __usb_get_extra_descriptor [2019-09-20 13:20:50,797 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2019-09-20 13:20:50,797 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register_driver [2019-09-20 13:20:50,797 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_register_driver_13 [2019-09-20 13:20:50,797 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister [2019-09-20 13:20:50,797 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_deregister_14 [2019-09-20 13:20:50,797 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_bulk_urb [2019-09-20 13:20:50,797 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2019-09-20 13:20:50,798 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2019-09-20 13:20:50,798 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2019-09-20 13:20:50,798 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_coherent [2019-09-20 13:20:50,798 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_coherent [2019-09-20 13:20:50,798 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2019-09-20 13:20:50,798 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_descriptor [2019-09-20 13:20:50,798 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2019-09-20 13:20:50,799 INFO L130 BoogieDeclarations]: Found specification of procedure vmalloc_to_pfn [2019-09-20 13:20:50,799 INFO L130 BoogieDeclarations]: Found specification of procedure remap_pfn_range [2019-09-20 13:20:50,799 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-09-20 13:20:50,799 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-20 13:20:50,799 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2019-09-20 13:20:50,799 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-09-20 13:20:50,799 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-20 13:20:50,800 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2019-09-20 13:20:50,800 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2019-09-20 13:20:50,800 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2019-09-20 13:20:50,800 INFO L130 BoogieDeclarations]: Found specification of procedure sys_fillrect [2019-09-20 13:20:50,800 INFO L130 BoogieDeclarations]: Found specification of procedure sys_copyarea [2019-09-20 13:20:50,800 INFO L130 BoogieDeclarations]: Found specification of procedure sys_imageblit [2019-09-20 13:20:50,800 INFO L130 BoogieDeclarations]: Found specification of procedure fb_sys_read [2019-09-20 13:20:50,801 INFO L130 BoogieDeclarations]: Found specification of procedure fb_sys_write [2019-09-20 13:20:50,801 INFO L130 BoogieDeclarations]: Found specification of procedure register_framebuffer [2019-09-20 13:20:50,801 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_framebuffer [2019-09-20 13:20:50,801 INFO L130 BoogieDeclarations]: Found specification of procedure unlink_framebuffer [2019-09-20 13:20:50,801 INFO L130 BoogieDeclarations]: Found specification of procedure fb_deferred_io_init [2019-09-20 13:20:50,801 INFO L130 BoogieDeclarations]: Found specification of procedure fb_deferred_io_cleanup [2019-09-20 13:20:50,801 INFO L130 BoogieDeclarations]: Found specification of procedure framebuffer_alloc [2019-09-20 13:20:50,802 INFO L130 BoogieDeclarations]: Found specification of procedure framebuffer_release [2019-09-20 13:20:50,802 INFO L130 BoogieDeclarations]: Found specification of procedure fb_edid_to_monspecs [2019-09-20 13:20:50,802 INFO L130 BoogieDeclarations]: Found specification of procedure fb_destroy_modedb [2019-09-20 13:20:50,802 INFO L130 BoogieDeclarations]: Found specification of procedure fb_var_to_videomode [2019-09-20 13:20:50,802 INFO L130 BoogieDeclarations]: Found specification of procedure fb_videomode_to_var [2019-09-20 13:20:50,802 INFO L130 BoogieDeclarations]: Found specification of procedure fb_add_videomode [2019-09-20 13:20:50,802 INFO L130 BoogieDeclarations]: Found specification of procedure fb_find_nearest_mode [2019-09-20 13:20:50,803 INFO L130 BoogieDeclarations]: Found specification of procedure fb_destroy_modelist [2019-09-20 13:20:50,803 INFO L130 BoogieDeclarations]: Found specification of procedure fb_find_best_display [2019-09-20 13:20:50,803 INFO L130 BoogieDeclarations]: Found specification of procedure fb_alloc_cmap [2019-09-20 13:20:50,803 INFO L130 BoogieDeclarations]: Found specification of procedure fb_dealloc_cmap [2019-09-20 13:20:50,803 INFO L130 BoogieDeclarations]: Found specification of procedure prefetch_range [2019-09-20 13:20:50,803 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_urb_completion [2019-09-20 13:20:50,803 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_get_urb [2019-09-20 13:20:50,803 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_submit_urb [2019-09-20 13:20:50,804 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_alloc_urb_list [2019-09-20 13:20:50,804 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_free_urb_list [2019-09-20 13:20:50,804 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_set_register [2019-09-20 13:20:50,804 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_vidreg_lock [2019-09-20 13:20:50,804 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_vidreg_unlock [2019-09-20 13:20:50,804 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_blanking [2019-09-20 13:20:50,805 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_set_color_depth [2019-09-20 13:20:50,805 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_set_base16bpp [2019-09-20 13:20:50,805 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_set_base8bpp [2019-09-20 13:20:50,805 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_set_register_16 [2019-09-20 13:20:50,805 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_set_register_16be [2019-09-20 13:20:50,805 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_lfsr16 [2019-09-20 13:20:50,805 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_set_register_lfsr16 [2019-09-20 13:20:50,805 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_set_vid_cmds [2019-09-20 13:20:50,806 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_set_video_mode [2019-09-20 13:20:50,806 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_ops_mmap [2019-09-20 13:20:50,806 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_trim_hline [2019-09-20 13:20:50,806 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_compress_hline [2019-09-20 13:20:50,806 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-09-20 13:20:50,808 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_render_hline [2019-09-20 13:20:50,808 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-09-20 13:20:50,808 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_handle_damage [2019-09-20 13:20:50,808 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_ops_write [2019-09-20 13:20:50,808 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_ops_copyarea [2019-09-20 13:20:50,809 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_ops_imageblit [2019-09-20 13:20:50,809 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_ops_fillrect [2019-09-20 13:20:50,809 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_dpy_deferred_io [2019-09-20 13:20:50,809 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_get_edid [2019-09-20 13:20:50,810 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_ops_ioctl [2019-09-20 13:20:50,810 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_ops_setcolreg [2019-09-20 13:20:50,810 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_ops_open [2019-09-20 13:20:50,810 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_free [2019-09-20 13:20:50,810 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_release_urb_work [2019-09-20 13:20:50,810 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_free_framebuffer [2019-09-20 13:20:50,811 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_free_framebuffer_work [2019-09-20 13:20:50,811 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_ops_release [2019-09-20 13:20:50,811 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_is_valid_mode [2019-09-20 13:20:50,811 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_var_color_format [2019-09-20 13:20:50,811 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_ops_check_var [2019-09-20 13:20:50,811 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_ops_set_par [2019-09-20 13:20:50,811 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_dummy_render [2019-09-20 13:20:50,812 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_ops_blank [2019-09-20 13:20:50,812 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_realloc_framebuffer [2019-09-20 13:20:50,812 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_setup_modes [2019-09-20 13:20:50,812 INFO L130 BoogieDeclarations]: Found specification of procedure metrics_bytes_rendered_show [2019-09-20 13:20:50,812 INFO L130 BoogieDeclarations]: Found specification of procedure metrics_bytes_identical_show [2019-09-20 13:20:50,812 INFO L130 BoogieDeclarations]: Found specification of procedure metrics_bytes_sent_show [2019-09-20 13:20:50,812 INFO L130 BoogieDeclarations]: Found specification of procedure metrics_cpu_kcycles_used_show [2019-09-20 13:20:50,813 INFO L130 BoogieDeclarations]: Found specification of procedure edid_show [2019-09-20 13:20:50,813 INFO L130 BoogieDeclarations]: Found specification of procedure edid_store [2019-09-20 13:20:50,813 INFO L130 BoogieDeclarations]: Found specification of procedure metrics_reset_store [2019-09-20 13:20:50,813 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_select_std_channel [2019-09-20 13:20:50,813 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_parse_vendor_descriptor [2019-09-20 13:20:50,813 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_init_framebuffer_work [2019-09-20 13:20:50,813 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_usb_probe [2019-09-20 13:20:50,814 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_usb_disconnect [2019-09-20 13:20:50,814 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_driver_init [2019-09-20 13:20:50,814 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_driver_exit [2019-09-20 13:20:50,814 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_edid_attr_probe_2 [2019-09-20 13:20:50,814 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dlfb_ops_probe_3 [2019-09-20 13:20:50,814 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_edid_attr_release_2 [2019-09-20 13:20:50,814 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-09-20 13:20:50,815 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-09-20 13:20:50,815 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dlfb_ops_release_3 [2019-09-20 13:20:50,815 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 13:20:50,815 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2019-09-20 13:20:50,815 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2019-09-20 13:20:50,815 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_cred_guard_mutex_of_signal_struct [2019-09-20 13:20:50,815 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_cred_guard_mutex_of_signal_struct [2019-09-20 13:20:50,816 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_cred_guard_mutex_of_signal_struct [2019-09-20 13:20:50,816 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_cred_guard_mutex_of_signal_struct [2019-09-20 13:20:50,816 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_cred_guard_mutex_of_signal_struct [2019-09-20 13:20:50,816 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_lock [2019-09-20 13:20:50,816 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_lock [2019-09-20 13:20:50,816 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_lock [2019-09-20 13:20:50,816 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_lock [2019-09-20 13:20:50,816 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_lock [2019-09-20 13:20:50,817 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_lock_of_fb_info [2019-09-20 13:20:50,817 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_lock_of_fb_info [2019-09-20 13:20:50,817 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_lock_of_fb_info [2019-09-20 13:20:50,817 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_lock_of_fb_info [2019-09-20 13:20:50,817 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_lock_of_fb_info [2019-09-20 13:20:50,817 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_mutex_of_device [2019-09-20 13:20:50,818 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_mutex_of_device [2019-09-20 13:20:50,818 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2019-09-20 13:20:50,818 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_mutex_of_device [2019-09-20 13:20:50,818 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_update_lock_of_backlight_device [2019-09-20 13:20:50,818 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_update_lock_of_backlight_device [2019-09-20 13:20:50,818 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_update_lock_of_backlight_device [2019-09-20 13:20:50,818 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_update_lock_of_backlight_device [2019-09-20 13:20:50,818 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_update_lock_of_backlight_device [2019-09-20 13:20:50,819 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-09-20 13:20:50,819 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-09-20 13:20:50,819 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2019-09-20 13:20:50,819 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-09-20 13:20:50,819 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-09-20 13:20:50,819 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-20 13:20:50,819 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 13:20:50,820 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-20 13:20:50,820 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-09-20 13:20:50,820 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 13:20:50,820 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-09-20 13:20:50,820 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-09-20 13:20:50,820 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2019-09-20 13:20:50,820 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2019-09-20 13:21:02,762 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 13:21:02,763 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-20 13:21:02,765 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:21:02 BoogieIcfgContainer [2019-09-20 13:21:02,765 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 13:21:02,767 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-20 13:21:02,767 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-20 13:21:02,770 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-20 13:21:02,770 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.09 01:20:47" (1/3) ... [2019-09-20 13:21:02,771 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6bcfeb5c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 01:21:02, skipping insertion in model container [2019-09-20 13:21:02,771 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:20:50" (2/3) ... [2019-09-20 13:21:02,772 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6bcfeb5c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 01:21:02, skipping insertion in model container [2019-09-20 13:21:02,772 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:21:02" (3/3) ... [2019-09-20 13:21:02,777 INFO L109 eAbstractionObserver]: Analyzing ICFG 32_7a_cilled_linux-3.8-rc1-drivers--video--udlfb.ko-main.cil.out.i [2019-09-20 13:21:02,788 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-20 13:21:02,801 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-20 13:21:02,818 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-20 13:21:02,859 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2019-09-20 13:21:02,860 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-20 13:21:02,860 INFO L378 AbstractCegarLoop]: Hoare is true [2019-09-20 13:21:02,860 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-20 13:21:02,860 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-20 13:21:02,860 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-20 13:21:02,860 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-20 13:21:02,860 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-20 13:21:02,861 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-20 13:21:02,921 INFO L276 IsEmpty]: Start isEmpty. Operand 1677 states. [2019-09-20 13:21:02,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-09-20 13:21:02,933 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:21:02,934 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 13:21:02,936 INFO L418 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:21:02,941 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:21:02,941 INFO L82 PathProgramCache]: Analyzing trace with hash 30188579, now seen corresponding path program 1 times [2019-09-20 13:21:02,943 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:21:02,944 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:21:03,041 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:21:03,042 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:21:03,042 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:21:03,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:21:03,662 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 13:21:03,664 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:21:03,665 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-20 13:21:03,669 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-20 13:21:03,683 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-20 13:21:03,684 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-20 13:21:03,686 INFO L87 Difference]: Start difference. First operand 1677 states. Second operand 3 states. [2019-09-20 13:21:04,832 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:21:04,832 INFO L93 Difference]: Finished difference Result 4376 states and 5688 transitions. [2019-09-20 13:21:04,833 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-20 13:21:04,835 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 34 [2019-09-20 13:21:04,835 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:21:04,893 INFO L225 Difference]: With dead ends: 4376 [2019-09-20 13:21:04,897 INFO L226 Difference]: Without dead ends: 2891 [2019-09-20 13:21:04,915 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 13:21:04,940 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2891 states. [2019-09-20 13:21:05,188 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2891 to 2887. [2019-09-20 13:21:05,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2887 states. [2019-09-20 13:21:05,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2887 states to 2887 states and 3704 transitions. [2019-09-20 13:21:05,214 INFO L78 Accepts]: Start accepts. Automaton has 2887 states and 3704 transitions. Word has length 34 [2019-09-20 13:21:05,214 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:21:05,214 INFO L475 AbstractCegarLoop]: Abstraction has 2887 states and 3704 transitions. [2019-09-20 13:21:05,214 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-20 13:21:05,215 INFO L276 IsEmpty]: Start isEmpty. Operand 2887 states and 3704 transitions. [2019-09-20 13:21:05,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2019-09-20 13:21:05,228 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:21:05,230 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 13:21:05,230 INFO L418 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:21:05,231 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:21:05,231 INFO L82 PathProgramCache]: Analyzing trace with hash 235529099, now seen corresponding path program 1 times [2019-09-20 13:21:05,231 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:21:05,231 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:21:05,260 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:21:05,260 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:21:05,260 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:21:05,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:21:05,512 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 13:21:05,512 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:21:05,512 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-20 13:21:05,514 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-20 13:21:05,516 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-20 13:21:05,516 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-20 13:21:05,516 INFO L87 Difference]: Start difference. First operand 2887 states and 3704 transitions. Second operand 3 states. [2019-09-20 13:21:05,916 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:21:05,916 INFO L93 Difference]: Finished difference Result 8540 states and 10946 transitions. [2019-09-20 13:21:05,916 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-20 13:21:05,916 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 42 [2019-09-20 13:21:05,917 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:21:05,965 INFO L225 Difference]: With dead ends: 8540 [2019-09-20 13:21:05,965 INFO L226 Difference]: Without dead ends: 5664 [2019-09-20 13:21:05,983 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 13:21:05,992 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5664 states. [2019-09-20 13:21:06,283 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5664 to 5636. [2019-09-20 13:21:06,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5636 states. [2019-09-20 13:21:06,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5636 states to 5636 states and 7220 transitions. [2019-09-20 13:21:06,322 INFO L78 Accepts]: Start accepts. Automaton has 5636 states and 7220 transitions. Word has length 42 [2019-09-20 13:21:06,322 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:21:06,322 INFO L475 AbstractCegarLoop]: Abstraction has 5636 states and 7220 transitions. [2019-09-20 13:21:06,322 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-20 13:21:06,323 INFO L276 IsEmpty]: Start isEmpty. Operand 5636 states and 7220 transitions. [2019-09-20 13:21:06,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2019-09-20 13:21:06,328 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:21:06,328 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 13:21:06,328 INFO L418 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:21:06,328 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:21:06,328 INFO L82 PathProgramCache]: Analyzing trace with hash -577293270, now seen corresponding path program 1 times [2019-09-20 13:21:06,329 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:21:06,329 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:21:06,345 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:21:06,345 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:21:06,346 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:21:06,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:21:06,584 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 13:21:06,584 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:21:06,585 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-20 13:21:06,585 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-20 13:21:06,586 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-20 13:21:06,587 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-20 13:21:06,587 INFO L87 Difference]: Start difference. First operand 5636 states and 7220 transitions. Second operand 3 states. [2019-09-20 13:21:06,907 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:21:06,908 INFO L93 Difference]: Finished difference Result 5662 states and 7252 transitions. [2019-09-20 13:21:06,908 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-20 13:21:06,909 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 39 [2019-09-20 13:21:06,909 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:21:06,945 INFO L225 Difference]: With dead ends: 5662 [2019-09-20 13:21:06,946 INFO L226 Difference]: Without dead ends: 5649 [2019-09-20 13:21:06,950 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 13:21:06,959 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5649 states. [2019-09-20 13:21:07,161 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5649 to 5636. [2019-09-20 13:21:07,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5636 states. [2019-09-20 13:21:07,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5636 states to 5636 states and 7219 transitions. [2019-09-20 13:21:07,188 INFO L78 Accepts]: Start accepts. Automaton has 5636 states and 7219 transitions. Word has length 39 [2019-09-20 13:21:07,189 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:21:07,189 INFO L475 AbstractCegarLoop]: Abstraction has 5636 states and 7219 transitions. [2019-09-20 13:21:07,189 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-20 13:21:07,189 INFO L276 IsEmpty]: Start isEmpty. Operand 5636 states and 7219 transitions. [2019-09-20 13:21:07,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2019-09-20 13:21:07,191 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:21:07,191 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 13:21:07,191 INFO L418 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:21:07,191 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:21:07,192 INFO L82 PathProgramCache]: Analyzing trace with hash -520034968, now seen corresponding path program 1 times [2019-09-20 13:21:07,192 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:21:07,192 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:21:07,204 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:21:07,204 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:21:07,204 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:21:07,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:21:07,362 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 13:21:07,362 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:21:07,363 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-20 13:21:07,363 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-20 13:21:07,363 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-20 13:21:07,363 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-20 13:21:07,364 INFO L87 Difference]: Start difference. First operand 5636 states and 7219 transitions. Second operand 3 states. [2019-09-20 13:21:08,833 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:21:08,834 INFO L93 Difference]: Finished difference Result 5638 states and 7220 transitions. [2019-09-20 13:21:08,834 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-20 13:21:08,834 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 39 [2019-09-20 13:21:08,835 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:21:08,869 INFO L225 Difference]: With dead ends: 5638 [2019-09-20 13:21:08,869 INFO L226 Difference]: Without dead ends: 5635 [2019-09-20 13:21:08,873 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 13:21:08,882 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5635 states. [2019-09-20 13:21:09,134 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5635 to 5635. [2019-09-20 13:21:09,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5635 states. [2019-09-20 13:21:09,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5635 states to 5635 states and 7217 transitions. [2019-09-20 13:21:09,872 INFO L78 Accepts]: Start accepts. Automaton has 5635 states and 7217 transitions. Word has length 39 [2019-09-20 13:21:09,872 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:21:09,873 INFO L475 AbstractCegarLoop]: Abstraction has 5635 states and 7217 transitions. [2019-09-20 13:21:09,873 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-20 13:21:09,873 INFO L276 IsEmpty]: Start isEmpty. Operand 5635 states and 7217 transitions. [2019-09-20 13:21:09,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2019-09-20 13:21:09,875 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:21:09,875 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 13:21:09,875 INFO L418 AbstractCegarLoop]: === Iteration 5 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:21:09,876 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:21:09,876 INFO L82 PathProgramCache]: Analyzing trace with hash 1057987564, now seen corresponding path program 1 times [2019-09-20 13:21:09,876 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:21:09,876 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:21:09,889 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:21:09,890 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:21:09,890 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:21:09,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:21:10,045 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 13:21:10,045 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:21:10,046 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-20 13:21:10,046 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-20 13:21:10,046 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-20 13:21:10,047 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-20 13:21:10,047 INFO L87 Difference]: Start difference. First operand 5635 states and 7217 transitions. Second operand 3 states. [2019-09-20 13:21:11,066 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:21:11,066 INFO L93 Difference]: Finished difference Result 5637 states and 7218 transitions. [2019-09-20 13:21:11,067 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-20 13:21:11,067 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 40 [2019-09-20 13:21:11,068 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:21:11,105 INFO L225 Difference]: With dead ends: 5637 [2019-09-20 13:21:11,105 INFO L226 Difference]: Without dead ends: 5634 [2019-09-20 13:21:11,110 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 13:21:11,118 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5634 states. [2019-09-20 13:21:11,328 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5634 to 5634. [2019-09-20 13:21:11,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5634 states. [2019-09-20 13:21:11,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5634 states to 5634 states and 7215 transitions. [2019-09-20 13:21:11,355 INFO L78 Accepts]: Start accepts. Automaton has 5634 states and 7215 transitions. Word has length 40 [2019-09-20 13:21:11,356 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:21:11,356 INFO L475 AbstractCegarLoop]: Abstraction has 5634 states and 7215 transitions. [2019-09-20 13:21:11,356 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-20 13:21:11,357 INFO L276 IsEmpty]: Start isEmpty. Operand 5634 states and 7215 transitions. [2019-09-20 13:21:11,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2019-09-20 13:21:11,360 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:21:11,360 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 13:21:11,361 INFO L418 AbstractCegarLoop]: === Iteration 6 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:21:11,361 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:21:11,361 INFO L82 PathProgramCache]: Analyzing trace with hash -1562916629, now seen corresponding path program 1 times [2019-09-20 13:21:11,361 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:21:11,361 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:21:11,378 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:21:11,379 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:21:11,379 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:21:11,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:21:11,574 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 13:21:11,575 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:21:11,575 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-20 13:21:11,575 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-20 13:21:11,575 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-20 13:21:11,576 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-20 13:21:11,576 INFO L87 Difference]: Start difference. First operand 5634 states and 7215 transitions. Second operand 3 states. [2019-09-20 13:21:12,895 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:21:12,896 INFO L93 Difference]: Finished difference Result 16802 states and 21840 transitions. [2019-09-20 13:21:12,896 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-20 13:21:12,896 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 41 [2019-09-20 13:21:12,896 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:21:12,971 INFO L225 Difference]: With dead ends: 16802 [2019-09-20 13:21:12,972 INFO L226 Difference]: Without dead ends: 11179 [2019-09-20 13:21:12,992 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 13:21:13,008 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11179 states. [2019-09-20 13:21:13,430 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11179 to 11161. [2019-09-20 13:21:13,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11161 states. [2019-09-20 13:21:13,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11161 states to 11161 states and 14466 transitions. [2019-09-20 13:21:13,485 INFO L78 Accepts]: Start accepts. Automaton has 11161 states and 14466 transitions. Word has length 41 [2019-09-20 13:21:13,486 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:21:13,486 INFO L475 AbstractCegarLoop]: Abstraction has 11161 states and 14466 transitions. [2019-09-20 13:21:13,486 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-20 13:21:13,486 INFO L276 IsEmpty]: Start isEmpty. Operand 11161 states and 14466 transitions. [2019-09-20 13:21:13,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2019-09-20 13:21:13,490 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:21:13,490 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 13:21:13,491 INFO L418 AbstractCegarLoop]: === Iteration 7 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:21:13,491 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:21:13,491 INFO L82 PathProgramCache]: Analyzing trace with hash -1206563121, now seen corresponding path program 1 times [2019-09-20 13:21:13,491 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:21:13,491 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:21:13,504 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:21:13,505 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:21:13,505 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:21:13,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:21:13,704 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 13:21:13,704 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:21:13,704 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-20 13:21:13,705 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-20 13:21:13,705 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-20 13:21:13,705 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-20 13:21:13,706 INFO L87 Difference]: Start difference. First operand 11161 states and 14466 transitions. Second operand 3 states. [2019-09-20 13:21:14,903 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:21:14,903 INFO L93 Difference]: Finished difference Result 11163 states and 14467 transitions. [2019-09-20 13:21:14,904 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-20 13:21:14,904 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 42 [2019-09-20 13:21:14,904 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:21:14,953 INFO L225 Difference]: With dead ends: 11163 [2019-09-20 13:21:14,953 INFO L226 Difference]: Without dead ends: 11160 [2019-09-20 13:21:14,964 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 13:21:14,979 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11160 states. [2019-09-20 13:21:15,517 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11160 to 11160. [2019-09-20 13:21:15,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11160 states. [2019-09-20 13:21:15,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11160 states to 11160 states and 14464 transitions. [2019-09-20 13:21:15,558 INFO L78 Accepts]: Start accepts. Automaton has 11160 states and 14464 transitions. Word has length 42 [2019-09-20 13:21:15,558 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:21:15,558 INFO L475 AbstractCegarLoop]: Abstraction has 11160 states and 14464 transitions. [2019-09-20 13:21:15,559 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-20 13:21:15,559 INFO L276 IsEmpty]: Start isEmpty. Operand 11160 states and 14464 transitions. [2019-09-20 13:21:15,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2019-09-20 13:21:15,561 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:21:15,561 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 13:21:15,561 INFO L418 AbstractCegarLoop]: === Iteration 8 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:21:15,561 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:21:15,562 INFO L82 PathProgramCache]: Analyzing trace with hash 1250465902, now seen corresponding path program 1 times [2019-09-20 13:21:15,562 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:21:15,562 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:21:15,572 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:21:15,573 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:21:15,573 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:21:15,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:21:15,702 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 13:21:15,702 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:21:15,702 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-20 13:21:15,703 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-20 13:21:15,703 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-20 13:21:15,703 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-20 13:21:15,703 INFO L87 Difference]: Start difference. First operand 11160 states and 14464 transitions. Second operand 3 states. [2019-09-20 13:21:17,180 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:21:17,180 INFO L93 Difference]: Finished difference Result 11162 states and 14465 transitions. [2019-09-20 13:21:17,255 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-20 13:21:17,256 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 43 [2019-09-20 13:21:17,256 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:21:17,313 INFO L225 Difference]: With dead ends: 11162 [2019-09-20 13:21:17,314 INFO L226 Difference]: Without dead ends: 11140 [2019-09-20 13:21:17,323 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 13:21:17,338 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11140 states. [2019-09-20 13:21:17,957 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11140 to 11140. [2019-09-20 13:21:17,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11140 states. [2019-09-20 13:21:17,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11140 states to 11140 states and 14439 transitions. [2019-09-20 13:21:17,998 INFO L78 Accepts]: Start accepts. Automaton has 11140 states and 14439 transitions. Word has length 43 [2019-09-20 13:21:17,998 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:21:17,999 INFO L475 AbstractCegarLoop]: Abstraction has 11140 states and 14439 transitions. [2019-09-20 13:21:17,999 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-20 13:21:17,999 INFO L276 IsEmpty]: Start isEmpty. Operand 11140 states and 14439 transitions. [2019-09-20 13:21:18,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2019-09-20 13:21:18,008 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:21:18,009 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 13:21:18,009 INFO L418 AbstractCegarLoop]: === Iteration 9 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:21:18,009 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:21:18,009 INFO L82 PathProgramCache]: Analyzing trace with hash -1086463741, now seen corresponding path program 1 times [2019-09-20 13:21:18,009 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:21:18,010 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:21:18,021 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:21:18,021 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:21:18,021 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:21:18,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:21:18,208 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 13:21:18,209 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:21:18,209 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-20 13:21:18,209 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-20 13:21:18,209 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-20 13:21:18,210 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-20 13:21:18,210 INFO L87 Difference]: Start difference. First operand 11140 states and 14439 transitions. Second operand 3 states. [2019-09-20 13:21:19,819 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:21:19,820 INFO L93 Difference]: Finished difference Result 27788 states and 36025 transitions. [2019-09-20 13:21:19,820 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-20 13:21:19,820 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 88 [2019-09-20 13:21:19,821 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:21:19,902 INFO L225 Difference]: With dead ends: 27788 [2019-09-20 13:21:19,902 INFO L226 Difference]: Without dead ends: 16659 [2019-09-20 13:21:19,956 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 13:21:19,976 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16659 states.