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 --abstractinterpretationv2.abstract.domain IntervalDomain --traceabstraction.trace.refinement.strategy TAIPAN --traceabstraction.abstract.interpretation.mode USE_PREDICATES -i ../../../trunk/examples/svcomp/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--video--udlfb.ko-main.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-13a467a-m [2019-10-15 00:20:27,845 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-15 00:20:27,849 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-15 00:20:27,864 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-15 00:20:27,864 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-15 00:20:27,866 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-15 00:20:27,867 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-15 00:20:27,869 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-15 00:20:27,874 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-15 00:20:27,875 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-15 00:20:27,876 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-15 00:20:27,877 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-15 00:20:27,878 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-15 00:20:27,879 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-15 00:20:27,880 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-15 00:20:27,881 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-15 00:20:27,882 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-15 00:20:27,883 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-15 00:20:27,885 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-15 00:20:27,887 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-15 00:20:27,889 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-15 00:20:27,890 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-15 00:20:27,891 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-15 00:20:27,892 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-15 00:20:27,894 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-15 00:20:27,895 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-15 00:20:27,895 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-15 00:20:27,896 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-15 00:20:27,896 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-15 00:20:27,897 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-15 00:20:27,898 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-15 00:20:27,898 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-15 00:20:27,899 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-15 00:20:27,900 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-15 00:20:27,901 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-15 00:20:27,901 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-15 00:20:27,902 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-15 00:20:27,902 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-15 00:20:27,902 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-15 00:20:27,903 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-15 00:20:27,904 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-15 00:20:27,905 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-15 00:20:27,924 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-15 00:20:27,925 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-15 00:20:27,926 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-15 00:20:27,926 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-15 00:20:27,927 INFO L138 SettingsManager]: * Use SBE=true [2019-10-15 00:20:27,927 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-15 00:20:27,928 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-15 00:20:27,928 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-15 00:20:27,928 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-15 00:20:27,928 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-15 00:20:27,928 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-15 00:20:27,929 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-15 00:20:27,929 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-15 00:20:27,929 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-15 00:20:27,930 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-15 00:20:27,931 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-15 00:20:27,931 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-15 00:20:27,931 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-15 00:20:27,931 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-15 00:20:27,931 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-15 00:20:27,932 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-15 00:20:27,932 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 00:20:27,932 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-15 00:20:27,933 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-15 00:20:27,933 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-15 00:20:27,933 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-15 00:20:27,933 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-15 00:20:27,933 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-15 00:20:27,934 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: Abstract domain -> IntervalDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Abstract interpretation Mode -> USE_PREDICATES [2019-10-15 00:20:28,240 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-15 00:20:28,254 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-15 00:20:28,258 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-15 00:20:28,260 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-15 00:20:28,261 INFO L275 PluginConnector]: CDTParser initialized [2019-10-15 00:20:28,261 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--video--udlfb.ko-main.cil.out.i [2019-10-15 00:20:28,330 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4815125fa/858145d71e1b44198ac900c63fd00f93/FLAGa05666aed [2019-10-15 00:20:29,293 INFO L306 CDTParser]: Found 1 translation units. [2019-10-15 00:20:29,296 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--video--udlfb.ko-main.cil.out.i [2019-10-15 00:20:29,344 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4815125fa/858145d71e1b44198ac900c63fd00f93/FLAGa05666aed [2019-10-15 00:20:29,712 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4815125fa/858145d71e1b44198ac900c63fd00f93 [2019-10-15 00:20:29,724 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-15 00:20:29,725 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-15 00:20:29,727 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-15 00:20:29,727 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-15 00:20:29,731 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-15 00:20:29,732 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 12:20:29" (1/1) ... [2019-10-15 00:20:29,735 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@63963b3e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:20:29, skipping insertion in model container [2019-10-15 00:20:29,735 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 12:20:29" (1/1) ... [2019-10-15 00:20:29,744 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-15 00:20:29,923 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-15 00:20:31,931 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 00:20:31,965 INFO L188 MainTranslator]: Completed pre-run [2019-10-15 00:20:32,436 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 00:20:32,831 INFO L192 MainTranslator]: Completed translation [2019-10-15 00:20:32,831 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:20:32 WrapperNode [2019-10-15 00:20:32,832 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-15 00:20:32,833 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-15 00:20:32,833 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-15 00:20:32,834 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-15 00:20:32,851 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:20:32" (1/1) ... [2019-10-15 00:20:32,851 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:20:32" (1/1) ... [2019-10-15 00:20:32,962 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:20:32" (1/1) ... [2019-10-15 00:20:32,963 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:20:32" (1/1) ... [2019-10-15 00:20:33,111 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:20:32" (1/1) ... [2019-10-15 00:20:33,144 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:20:32" (1/1) ... [2019-10-15 00:20:33,179 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:20:32" (1/1) ... [2019-10-15 00:20:33,216 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-15 00:20:33,217 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-15 00:20:33,217 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-15 00:20:33,217 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-15 00:20:33,219 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:20:32" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 00:20:33,305 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-15 00:20:33,306 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-15 00:20:33,306 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2019-10-15 00:20:33,306 INFO L138 BoogieDeclarations]: Found implementation of procedure avoid_zero [2019-10-15 00:20:33,307 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2019-10-15 00:20:33,307 INFO L138 BoogieDeclarations]: Found implementation of procedure __swab16p [2019-10-15 00:20:33,308 INFO L138 BoogieDeclarations]: Found implementation of procedure __cpu_to_be16p [2019-10-15 00:20:33,308 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2019-10-15 00:20:33,308 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2019-10-15 00:20:33,309 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del_init [2019-10-15 00:20:33,309 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2019-10-15 00:20:33,309 INFO L138 BoogieDeclarations]: Found implementation of procedure paravirt_read_tsc [2019-10-15 00:20:33,309 INFO L138 BoogieDeclarations]: Found implementation of procedure prefetchw [2019-10-15 00:20:33,310 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2019-10-15 00:20:33,310 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2019-10-15 00:20:33,311 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_add [2019-10-15 00:20:33,313 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_sub_and_test [2019-10-15 00:20:33,313 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2019-10-15 00:20:33,313 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2019-10-15 00:20:33,314 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2019-10-15 00:20:33,314 INFO L138 BoogieDeclarations]: Found implementation of procedure get_cycles [2019-10-15 00:20:33,314 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_init [2019-10-15 00:20:33,314 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_get [2019-10-15 00:20:33,314 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_sub [2019-10-15 00:20:33,315 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_put [2019-10-15 00:20:33,315 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2019-10-15 00:20:33,315 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2019-10-15 00:20:33,315 INFO L138 BoogieDeclarations]: Found implementation of procedure sema_init [2019-10-15 00:20:33,315 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intfdata [2019-10-15 00:20:33,315 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2019-10-15 00:20:33,316 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2019-10-15 00:20:33,316 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_bulk_urb [2019-10-15 00:20:33,316 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2019-10-15 00:20:33,316 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2019-10-15 00:20:33,316 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-10-15 00:20:33,316 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2019-10-15 00:20:33,316 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2019-10-15 00:20:33,317 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2019-10-15 00:20:33,317 INFO L138 BoogieDeclarations]: Found implementation of procedure prefetch_range [2019-10-15 00:20:33,317 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_set_register [2019-10-15 00:20:33,317 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_vidreg_lock [2019-10-15 00:20:33,317 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_vidreg_unlock [2019-10-15 00:20:33,318 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_blanking [2019-10-15 00:20:33,318 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_set_color_depth [2019-10-15 00:20:33,318 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_set_base16bpp [2019-10-15 00:20:33,318 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_set_base8bpp [2019-10-15 00:20:33,318 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_set_register_16 [2019-10-15 00:20:33,319 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_set_register_16be [2019-10-15 00:20:33,319 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_lfsr16 [2019-10-15 00:20:33,319 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_set_register_lfsr16 [2019-10-15 00:20:33,320 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_set_vid_cmds [2019-10-15 00:20:33,320 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_set_video_mode [2019-10-15 00:20:33,320 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_ops_mmap [2019-10-15 00:20:33,320 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_trim_hline [2019-10-15 00:20:33,320 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_compress_hline [2019-10-15 00:20:33,320 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_render_hline [2019-10-15 00:20:33,320 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_handle_damage [2019-10-15 00:20:33,321 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_ops_write [2019-10-15 00:20:33,321 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_ops_copyarea [2019-10-15 00:20:33,321 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_ops_imageblit [2019-10-15 00:20:33,321 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_ops_fillrect [2019-10-15 00:20:33,321 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_dpy_deferred_io [2019-10-15 00:20:33,321 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_get_edid [2019-10-15 00:20:33,322 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_ops_ioctl [2019-10-15 00:20:33,322 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_ops_setcolreg [2019-10-15 00:20:33,322 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_ops_open [2019-10-15 00:20:33,322 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_free [2019-10-15 00:20:33,323 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_release_urb_work [2019-10-15 00:20:33,323 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_free_framebuffer [2019-10-15 00:20:33,323 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_free_framebuffer_work [2019-10-15 00:20:33,323 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_ops_release [2019-10-15 00:20:33,323 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_is_valid_mode [2019-10-15 00:20:33,323 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_var_color_format [2019-10-15 00:20:33,324 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_ops_check_var [2019-10-15 00:20:33,324 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_ops_set_par [2019-10-15 00:20:33,324 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_dummy_render [2019-10-15 00:20:33,325 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_ops_blank [2019-10-15 00:20:33,325 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_realloc_framebuffer [2019-10-15 00:20:33,325 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_setup_modes [2019-10-15 00:20:33,325 INFO L138 BoogieDeclarations]: Found implementation of procedure metrics_bytes_rendered_show [2019-10-15 00:20:33,326 INFO L138 BoogieDeclarations]: Found implementation of procedure metrics_bytes_identical_show [2019-10-15 00:20:33,326 INFO L138 BoogieDeclarations]: Found implementation of procedure metrics_bytes_sent_show [2019-10-15 00:20:33,326 INFO L138 BoogieDeclarations]: Found implementation of procedure metrics_cpu_kcycles_used_show [2019-10-15 00:20:33,326 INFO L138 BoogieDeclarations]: Found implementation of procedure edid_show [2019-10-15 00:20:33,327 INFO L138 BoogieDeclarations]: Found implementation of procedure edid_store [2019-10-15 00:20:33,327 INFO L138 BoogieDeclarations]: Found implementation of procedure metrics_reset_store [2019-10-15 00:20:33,327 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_select_std_channel [2019-10-15 00:20:33,329 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_parse_vendor_descriptor [2019-10-15 00:20:33,329 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_usb_probe [2019-10-15 00:20:33,329 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_init_framebuffer_work [2019-10-15 00:20:33,329 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_usb_disconnect [2019-10-15 00:20:33,330 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_driver_init [2019-10-15 00:20:33,330 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_driver_exit [2019-10-15 00:20:33,330 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_urb_completion [2019-10-15 00:20:33,330 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_free_urb_list [2019-10-15 00:20:33,330 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_alloc_urb_list [2019-10-15 00:20:33,331 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_get_urb [2019-10-15 00:20:33,331 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_submit_urb [2019-10-15 00:20:33,331 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-15 00:20:33,331 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_1 [2019-10-15 00:20:33,331 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_2 [2019-10-15 00:20:33,331 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_3 [2019-10-15 00:20:33,332 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_4 [2019-10-15 00:20:33,332 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_5 [2019-10-15 00:20:33,332 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_6 [2019-10-15 00:20:33,332 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_7 [2019-10-15 00:20:33,332 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_8 [2019-10-15 00:20:33,333 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_9 [2019-10-15 00:20:33,333 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_10 [2019-10-15 00:20:33,333 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_11 [2019-10-15 00:20:33,333 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_12 [2019-10-15 00:20:33,333 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_register_driver_13 [2019-10-15 00:20:33,333 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_deregister_14 [2019-10-15 00:20:33,334 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2019-10-15 00:20:33,334 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2019-10-15 00:20:33,334 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2019-10-15 00:20:33,334 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_cred_guard_mutex_of_signal_struct [2019-10-15 00:20:33,335 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_cred_guard_mutex_of_signal_struct [2019-10-15 00:20:33,335 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_cred_guard_mutex_of_signal_struct [2019-10-15 00:20:33,335 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_cred_guard_mutex_of_signal_struct [2019-10-15 00:20:33,335 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_cred_guard_mutex_of_signal_struct [2019-10-15 00:20:33,335 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_cred_guard_mutex_of_signal_struct [2019-10-15 00:20:33,336 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_cred_guard_mutex_of_signal_struct [2019-10-15 00:20:33,336 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_lock [2019-10-15 00:20:33,337 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_lock [2019-10-15 00:20:33,337 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock [2019-10-15 00:20:33,337 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_lock [2019-10-15 00:20:33,337 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_lock [2019-10-15 00:20:33,337 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_lock [2019-10-15 00:20:33,337 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock [2019-10-15 00:20:33,338 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_lock_of_fb_info [2019-10-15 00:20:33,338 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_lock_of_fb_info [2019-10-15 00:20:33,338 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock_of_fb_info [2019-10-15 00:20:33,338 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_lock_of_fb_info [2019-10-15 00:20:33,339 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_lock_of_fb_info [2019-10-15 00:20:33,339 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_lock_of_fb_info [2019-10-15 00:20:33,340 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock_of_fb_info [2019-10-15 00:20:33,343 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_mutex_of_device [2019-10-15 00:20:33,343 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_mutex_of_device [2019-10-15 00:20:33,343 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mutex_of_device [2019-10-15 00:20:33,344 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_mutex_of_device [2019-10-15 00:20:33,344 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2019-10-15 00:20:33,344 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_mutex_of_device [2019-10-15 00:20:33,345 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex_of_device [2019-10-15 00:20:33,351 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_update_lock_of_backlight_device [2019-10-15 00:20:33,351 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_update_lock_of_backlight_device [2019-10-15 00:20:33,352 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_update_lock_of_backlight_device [2019-10-15 00:20:33,352 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_update_lock_of_backlight_device [2019-10-15 00:20:33,352 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_update_lock_of_backlight_device [2019-10-15 00:20:33,353 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_update_lock_of_backlight_device [2019-10-15 00:20:33,353 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_update_lock_of_backlight_device [2019-10-15 00:20:33,354 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-10-15 00:20:33,354 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-10-15 00:20:33,354 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2019-10-15 00:20:33,354 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2019-10-15 00:20:33,354 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_del_entry [2019-10-15 00:20:33,354 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2019-10-15 00:20:33,355 INFO L138 BoogieDeclarations]: Found implementation of procedure __usb_get_extra_descriptor [2019-10-15 00:20:33,355 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2019-10-15 00:20:33,355 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2019-10-15 00:20:33,355 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2019-10-15 00:20:33,355 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irqrestore [2019-10-15 00:20:33,355 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2019-10-15 00:20:33,355 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2019-10-15 00:20:33,356 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2019-10-15 00:20:33,356 INFO L138 BoogieDeclarations]: Found implementation of procedure device_create_bin_file [2019-10-15 00:20:33,356 INFO L138 BoogieDeclarations]: Found implementation of procedure device_create_file [2019-10-15 00:20:33,356 INFO L138 BoogieDeclarations]: Found implementation of procedure device_remove_bin_file [2019-10-15 00:20:33,356 INFO L138 BoogieDeclarations]: Found implementation of procedure device_remove_file [2019-10-15 00:20:33,356 INFO L138 BoogieDeclarations]: Found implementation of procedure down_interruptible [2019-10-15 00:20:33,357 INFO L138 BoogieDeclarations]: Found implementation of procedure down_timeout [2019-10-15 00:20:33,357 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_add_videomode [2019-10-15 00:20:33,357 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_alloc_cmap [2019-10-15 00:20:33,357 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_dealloc_cmap [2019-10-15 00:20:33,357 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_deferred_io_cleanup [2019-10-15 00:20:33,357 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_deferred_io_init [2019-10-15 00:20:33,357 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_destroy_modedb [2019-10-15 00:20:33,358 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_destroy_modelist [2019-10-15 00:20:33,358 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_edid_to_monspecs [2019-10-15 00:20:33,358 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_find_best_display [2019-10-15 00:20:33,358 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_find_nearest_mode [2019-10-15 00:20:33,358 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_sys_read [2019-10-15 00:20:33,359 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_sys_write [2019-10-15 00:20:33,359 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_var_to_videomode [2019-10-15 00:20:33,359 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_videomode_to_var [2019-10-15 00:20:33,359 INFO L138 BoogieDeclarations]: Found implementation of procedure framebuffer_alloc [2019-10-15 00:20:33,359 INFO L138 BoogieDeclarations]: Found implementation of procedure framebuffer_release [2019-10-15 00:20:33,359 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2019-10-15 00:20:33,359 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dlfb_ops_probe_3 [2019-10-15 00:20:33,359 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dlfb_ops_release_3 [2019-10-15 00:20:33,360 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_edid_attr_probe_2 [2019-10-15 00:20:33,360 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_edid_attr_release_2 [2019-10-15 00:20:33,360 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2019-10-15 00:20:33,360 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2019-10-15 00:20:33,360 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2019-10-15 00:20:33,360 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_trylock [2019-10-15 00:20:33,360 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2019-10-15 00:20:33,361 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2019-10-15 00:20:33,361 INFO L138 BoogieDeclarations]: Found implementation of procedure register_framebuffer [2019-10-15 00:20:33,361 INFO L138 BoogieDeclarations]: Found implementation of procedure remap_pfn_range [2019-10-15 00:20:33,361 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_delayed_work [2019-10-15 00:20:33,361 INFO L138 BoogieDeclarations]: Found implementation of procedure sys_copyarea [2019-10-15 00:20:33,361 INFO L138 BoogieDeclarations]: Found implementation of procedure sys_fillrect [2019-10-15 00:20:33,361 INFO L138 BoogieDeclarations]: Found implementation of procedure sys_imageblit [2019-10-15 00:20:33,362 INFO L138 BoogieDeclarations]: Found implementation of procedure unlink_framebuffer [2019-10-15 00:20:33,362 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_framebuffer [2019-10-15 00:20:33,362 INFO L138 BoogieDeclarations]: Found implementation of procedure up [2019-10-15 00:20:33,362 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_coherent [2019-10-15 00:20:33,362 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2019-10-15 00:20:33,362 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2019-10-15 00:20:33,362 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_deregister [2019-10-15 00:20:33,363 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_coherent [2019-10-15 00:20:33,363 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2019-10-15 00:20:33,363 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_descriptor [2019-10-15 00:20:33,363 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register_driver [2019-10-15 00:20:33,363 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2019-10-15 00:20:33,363 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2019-10-15 00:20:33,363 INFO L138 BoogieDeclarations]: Found implementation of procedure vmalloc [2019-10-15 00:20:33,363 INFO L138 BoogieDeclarations]: Found implementation of procedure vmalloc_to_pfn [2019-10-15 00:20:33,364 INFO L138 BoogieDeclarations]: Found implementation of procedure vzalloc [2019-10-15 00:20:33,364 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_fmt [2019-10-15 00:20:33,364 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2019-10-15 00:20:33,364 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-10-15 00:20:33,364 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-10-15 00:20:33,364 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-10-15 00:20:33,365 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-10-15 00:20:33,365 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-15 00:20:33,365 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-10-15 00:20:33,365 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-10-15 00:20:33,365 INFO L130 BoogieDeclarations]: Found specification of procedure avoid_zero [2019-10-15 00:20:33,365 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2019-10-15 00:20:33,365 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2019-10-15 00:20:33,366 INFO L130 BoogieDeclarations]: Found specification of procedure __swab16p [2019-10-15 00:20:33,366 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-15 00:20:33,366 INFO L130 BoogieDeclarations]: Found specification of procedure __cpu_to_be16p [2019-10-15 00:20:33,366 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2019-10-15 00:20:33,366 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2019-10-15 00:20:33,366 INFO L130 BoogieDeclarations]: Found specification of procedure snprintf [2019-10-15 00:20:33,366 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2019-10-15 00:20:33,367 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-15 00:20:33,367 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2019-10-15 00:20:33,367 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2019-10-15 00:20:33,367 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-15 00:20:33,367 INFO L130 BoogieDeclarations]: Found specification of procedure __list_del_entry [2019-10-15 00:20:33,367 INFO L130 BoogieDeclarations]: Found specification of procedure list_del_init [2019-10-15 00:20:33,367 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2019-10-15 00:20:33,367 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-10-15 00:20:33,368 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-10-15 00:20:33,368 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2019-10-15 00:20:33,368 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_fmt [2019-10-15 00:20:33,368 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2019-10-15 00:20:33,368 INFO L130 BoogieDeclarations]: Found specification of procedure paravirt_read_tsc [2019-10-15 00:20:33,368 INFO L130 BoogieDeclarations]: Found specification of procedure prefetchw [2019-10-15 00:20:33,369 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2019-10-15 00:20:33,369 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2019-10-15 00:20:33,369 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-15 00:20:33,369 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_add [2019-10-15 00:20:33,369 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_sub_and_test [2019-10-15 00:20:33,369 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2019-10-15 00:20:33,369 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2019-10-15 00:20:33,370 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_trylock [2019-10-15 00:20:33,370 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_4 [2019-10-15 00:20:33,370 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2019-10-15 00:20:33,371 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_2 [2019-10-15 00:20:33,375 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_5 [2019-10-15 00:20:33,375 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_7 [2019-10-15 00:20:33,375 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_9 [2019-10-15 00:20:33,375 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_10 [2019-10-15 00:20:33,376 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_12 [2019-10-15 00:20:33,376 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2019-10-15 00:20:33,376 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_1 [2019-10-15 00:20:33,376 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_3 [2019-10-15 00:20:33,379 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_6 [2019-10-15 00:20:33,380 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_8 [2019-10-15 00:20:33,380 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_11 [2019-10-15 00:20:33,380 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_cred_guard_mutex_of_signal_struct [2019-10-15 00:20:33,380 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_cred_guard_mutex_of_signal_struct [2019-10-15 00:20:33,381 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock [2019-10-15 00:20:33,381 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock [2019-10-15 00:20:33,381 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock_of_fb_info [2019-10-15 00:20:33,381 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock_of_fb_info [2019-10-15 00:20:33,381 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mutex_of_device [2019-10-15 00:20:33,381 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_mutex_of_device [2019-10-15 00:20:33,382 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex_of_device [2019-10-15 00:20:33,382 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_update_lock_of_backlight_device [2019-10-15 00:20:33,382 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_update_lock_of_backlight_device [2019-10-15 00:20:33,382 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-15 00:20:33,382 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2019-10-15 00:20:33,439 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2019-10-15 00:20:33,439 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore [2019-10-15 00:20:33,439 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2019-10-15 00:20:33,440 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2019-10-15 00:20:33,440 INFO L130 BoogieDeclarations]: Found specification of procedure get_cycles [2019-10-15 00:20:33,440 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2019-10-15 00:20:33,440 INFO L130 BoogieDeclarations]: Found specification of procedure delayed_work_timer_fn [2019-10-15 00:20:33,440 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2019-10-15 00:20:33,440 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_delayed_work [2019-10-15 00:20:33,440 INFO L130 BoogieDeclarations]: Found specification of procedure vmalloc [2019-10-15 00:20:33,441 INFO L130 BoogieDeclarations]: Found specification of procedure vzalloc [2019-10-15 00:20:33,441 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2019-10-15 00:20:33,441 INFO L130 BoogieDeclarations]: Found specification of procedure kref_init [2019-10-15 00:20:33,441 INFO L130 BoogieDeclarations]: Found specification of procedure kref_get [2019-10-15 00:20:33,442 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-15 00:20:33,442 INFO L130 BoogieDeclarations]: Found specification of procedure kref_sub [2019-10-15 00:20:33,442 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2019-10-15 00:20:33,442 INFO L130 BoogieDeclarations]: Found specification of procedure kref_put [2019-10-15 00:20:33,442 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2019-10-15 00:20:33,442 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2019-10-15 00:20:33,442 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2019-10-15 00:20:33,442 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2019-10-15 00:20:33,443 INFO L130 BoogieDeclarations]: Found specification of procedure device_create_file [2019-10-15 00:20:33,443 INFO L130 BoogieDeclarations]: Found specification of procedure device_remove_file [2019-10-15 00:20:33,443 INFO L130 BoogieDeclarations]: Found specification of procedure device_create_bin_file [2019-10-15 00:20:33,443 INFO L130 BoogieDeclarations]: Found specification of procedure device_remove_bin_file [2019-10-15 00:20:33,443 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2019-10-15 00:20:33,443 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2019-10-15 00:20:33,444 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2019-10-15 00:20:33,444 INFO L130 BoogieDeclarations]: Found specification of procedure sema_init [2019-10-15 00:20:33,444 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-15 00:20:33,444 INFO L130 BoogieDeclarations]: Found specification of procedure down_interruptible [2019-10-15 00:20:33,444 INFO L130 BoogieDeclarations]: Found specification of procedure down_timeout [2019-10-15 00:20:33,444 INFO L130 BoogieDeclarations]: Found specification of procedure up [2019-10-15 00:20:33,444 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intfdata [2019-10-15 00:20:33,445 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2019-10-15 00:20:33,445 INFO L130 BoogieDeclarations]: Found specification of procedure __usb_get_extra_descriptor [2019-10-15 00:20:33,445 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2019-10-15 00:20:33,445 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register_driver [2019-10-15 00:20:33,445 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_register_driver_13 [2019-10-15 00:20:33,445 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister [2019-10-15 00:20:33,445 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_deregister_14 [2019-10-15 00:20:33,446 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_bulk_urb [2019-10-15 00:20:33,446 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2019-10-15 00:20:33,446 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2019-10-15 00:20:33,446 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2019-10-15 00:20:33,446 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_coherent [2019-10-15 00:20:33,446 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_coherent [2019-10-15 00:20:33,446 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2019-10-15 00:20:33,447 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_descriptor [2019-10-15 00:20:33,447 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2019-10-15 00:20:33,447 INFO L130 BoogieDeclarations]: Found specification of procedure vmalloc_to_pfn [2019-10-15 00:20:33,447 INFO L130 BoogieDeclarations]: Found specification of procedure remap_pfn_range [2019-10-15 00:20:33,447 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-10-15 00:20:33,447 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-15 00:20:33,447 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2019-10-15 00:20:33,448 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-10-15 00:20:33,448 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-15 00:20:33,448 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2019-10-15 00:20:33,448 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2019-10-15 00:20:33,448 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2019-10-15 00:20:33,448 INFO L130 BoogieDeclarations]: Found specification of procedure sys_fillrect [2019-10-15 00:20:33,448 INFO L130 BoogieDeclarations]: Found specification of procedure sys_copyarea [2019-10-15 00:20:33,448 INFO L130 BoogieDeclarations]: Found specification of procedure sys_imageblit [2019-10-15 00:20:33,449 INFO L130 BoogieDeclarations]: Found specification of procedure fb_sys_read [2019-10-15 00:20:33,449 INFO L130 BoogieDeclarations]: Found specification of procedure fb_sys_write [2019-10-15 00:20:33,449 INFO L130 BoogieDeclarations]: Found specification of procedure register_framebuffer [2019-10-15 00:20:33,449 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_framebuffer [2019-10-15 00:20:33,449 INFO L130 BoogieDeclarations]: Found specification of procedure unlink_framebuffer [2019-10-15 00:20:33,449 INFO L130 BoogieDeclarations]: Found specification of procedure fb_deferred_io_init [2019-10-15 00:20:33,449 INFO L130 BoogieDeclarations]: Found specification of procedure fb_deferred_io_cleanup [2019-10-15 00:20:33,449 INFO L130 BoogieDeclarations]: Found specification of procedure framebuffer_alloc [2019-10-15 00:20:33,450 INFO L130 BoogieDeclarations]: Found specification of procedure framebuffer_release [2019-10-15 00:20:33,450 INFO L130 BoogieDeclarations]: Found specification of procedure fb_edid_to_monspecs [2019-10-15 00:20:33,450 INFO L130 BoogieDeclarations]: Found specification of procedure fb_destroy_modedb [2019-10-15 00:20:33,450 INFO L130 BoogieDeclarations]: Found specification of procedure fb_var_to_videomode [2019-10-15 00:20:33,450 INFO L130 BoogieDeclarations]: Found specification of procedure fb_videomode_to_var [2019-10-15 00:20:33,450 INFO L130 BoogieDeclarations]: Found specification of procedure fb_add_videomode [2019-10-15 00:20:33,450 INFO L130 BoogieDeclarations]: Found specification of procedure fb_find_nearest_mode [2019-10-15 00:20:33,450 INFO L130 BoogieDeclarations]: Found specification of procedure fb_destroy_modelist [2019-10-15 00:20:33,451 INFO L130 BoogieDeclarations]: Found specification of procedure fb_find_best_display [2019-10-15 00:20:33,451 INFO L130 BoogieDeclarations]: Found specification of procedure fb_alloc_cmap [2019-10-15 00:20:33,451 INFO L130 BoogieDeclarations]: Found specification of procedure fb_dealloc_cmap [2019-10-15 00:20:33,451 INFO L130 BoogieDeclarations]: Found specification of procedure prefetch_range [2019-10-15 00:20:33,451 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_urb_completion [2019-10-15 00:20:33,451 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_get_urb [2019-10-15 00:20:33,451 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_submit_urb [2019-10-15 00:20:33,452 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_alloc_urb_list [2019-10-15 00:20:33,452 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_free_urb_list [2019-10-15 00:20:33,452 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_set_register [2019-10-15 00:20:33,452 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_vidreg_lock [2019-10-15 00:20:33,452 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_vidreg_unlock [2019-10-15 00:20:33,452 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_blanking [2019-10-15 00:20:33,452 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_set_color_depth [2019-10-15 00:20:33,452 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_set_base16bpp [2019-10-15 00:20:33,453 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_set_base8bpp [2019-10-15 00:20:33,453 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_set_register_16 [2019-10-15 00:20:33,453 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_set_register_16be [2019-10-15 00:20:33,453 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_lfsr16 [2019-10-15 00:20:33,453 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_set_register_lfsr16 [2019-10-15 00:20:33,453 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_set_vid_cmds [2019-10-15 00:20:33,453 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_set_video_mode [2019-10-15 00:20:33,454 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_ops_mmap [2019-10-15 00:20:33,454 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_trim_hline [2019-10-15 00:20:33,454 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_compress_hline [2019-10-15 00:20:33,454 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-10-15 00:20:33,454 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_render_hline [2019-10-15 00:20:33,455 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-10-15 00:20:33,456 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_handle_damage [2019-10-15 00:20:33,456 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_ops_write [2019-10-15 00:20:33,456 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_ops_copyarea [2019-10-15 00:20:33,456 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_ops_imageblit [2019-10-15 00:20:33,456 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_ops_fillrect [2019-10-15 00:20:33,457 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_dpy_deferred_io [2019-10-15 00:20:33,457 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_get_edid [2019-10-15 00:20:33,457 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_ops_ioctl [2019-10-15 00:20:33,457 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_ops_setcolreg [2019-10-15 00:20:33,457 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_ops_open [2019-10-15 00:20:33,457 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_free [2019-10-15 00:20:33,457 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_release_urb_work [2019-10-15 00:20:33,457 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_free_framebuffer [2019-10-15 00:20:33,458 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_free_framebuffer_work [2019-10-15 00:20:33,458 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_ops_release [2019-10-15 00:20:33,458 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_is_valid_mode [2019-10-15 00:20:33,458 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_var_color_format [2019-10-15 00:20:33,458 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_ops_check_var [2019-10-15 00:20:33,458 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_ops_set_par [2019-10-15 00:20:33,458 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_dummy_render [2019-10-15 00:20:33,458 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_ops_blank [2019-10-15 00:20:33,459 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_realloc_framebuffer [2019-10-15 00:20:33,459 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_setup_modes [2019-10-15 00:20:33,459 INFO L130 BoogieDeclarations]: Found specification of procedure metrics_bytes_rendered_show [2019-10-15 00:20:33,459 INFO L130 BoogieDeclarations]: Found specification of procedure metrics_bytes_identical_show [2019-10-15 00:20:33,459 INFO L130 BoogieDeclarations]: Found specification of procedure metrics_bytes_sent_show [2019-10-15 00:20:33,459 INFO L130 BoogieDeclarations]: Found specification of procedure metrics_cpu_kcycles_used_show [2019-10-15 00:20:33,459 INFO L130 BoogieDeclarations]: Found specification of procedure edid_show [2019-10-15 00:20:33,459 INFO L130 BoogieDeclarations]: Found specification of procedure edid_store [2019-10-15 00:20:33,460 INFO L130 BoogieDeclarations]: Found specification of procedure metrics_reset_store [2019-10-15 00:20:33,460 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_select_std_channel [2019-10-15 00:20:33,460 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_parse_vendor_descriptor [2019-10-15 00:20:33,460 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_init_framebuffer_work [2019-10-15 00:20:33,460 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_usb_probe [2019-10-15 00:20:33,460 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_usb_disconnect [2019-10-15 00:20:33,460 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_driver_init [2019-10-15 00:20:33,460 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_driver_exit [2019-10-15 00:20:33,461 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_edid_attr_probe_2 [2019-10-15 00:20:33,461 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dlfb_ops_probe_3 [2019-10-15 00:20:33,461 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_edid_attr_release_2 [2019-10-15 00:20:33,461 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-10-15 00:20:33,461 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-10-15 00:20:33,461 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dlfb_ops_release_3 [2019-10-15 00:20:33,461 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-15 00:20:33,461 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2019-10-15 00:20:33,462 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2019-10-15 00:20:33,462 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_cred_guard_mutex_of_signal_struct [2019-10-15 00:20:33,462 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_cred_guard_mutex_of_signal_struct [2019-10-15 00:20:33,462 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_cred_guard_mutex_of_signal_struct [2019-10-15 00:20:33,462 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_cred_guard_mutex_of_signal_struct [2019-10-15 00:20:33,462 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_cred_guard_mutex_of_signal_struct [2019-10-15 00:20:33,462 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_lock [2019-10-15 00:20:33,462 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_lock [2019-10-15 00:20:33,463 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_lock [2019-10-15 00:20:33,463 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_lock [2019-10-15 00:20:33,463 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_lock [2019-10-15 00:20:33,463 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_lock_of_fb_info [2019-10-15 00:20:33,463 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_lock_of_fb_info [2019-10-15 00:20:33,463 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_lock_of_fb_info [2019-10-15 00:20:33,463 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_lock_of_fb_info [2019-10-15 00:20:33,463 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_lock_of_fb_info [2019-10-15 00:20:33,464 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_mutex_of_device [2019-10-15 00:20:33,464 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_mutex_of_device [2019-10-15 00:20:33,464 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2019-10-15 00:20:33,464 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_mutex_of_device [2019-10-15 00:20:33,464 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_update_lock_of_backlight_device [2019-10-15 00:20:33,464 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_update_lock_of_backlight_device [2019-10-15 00:20:33,464 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_update_lock_of_backlight_device [2019-10-15 00:20:33,464 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_update_lock_of_backlight_device [2019-10-15 00:20:33,465 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_update_lock_of_backlight_device [2019-10-15 00:20:33,465 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-10-15 00:20:33,465 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-10-15 00:20:33,465 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2019-10-15 00:20:33,465 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-10-15 00:20:33,465 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-10-15 00:20:33,465 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-15 00:20:33,466 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-15 00:20:33,466 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-15 00:20:33,466 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-10-15 00:20:33,466 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-15 00:20:33,466 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2019-10-15 00:20:33,466 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2019-10-15 00:20:33,466 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-10-15 00:20:33,467 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-10-15 00:20:45,427 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-15 00:20:45,427 INFO L284 CfgBuilder]: Removed 0 assume(true) statements. [2019-10-15 00:20:45,430 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 12:20:45 BoogieIcfgContainer [2019-10-15 00:20:45,430 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-15 00:20:45,431 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-15 00:20:45,431 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-15 00:20:45,434 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-15 00:20:45,435 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 12:20:29" (1/3) ... [2019-10-15 00:20:45,435 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73e6113a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 12:20:45, skipping insertion in model container [2019-10-15 00:20:45,436 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:20:32" (2/3) ... [2019-10-15 00:20:45,436 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73e6113a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 12:20:45, skipping insertion in model container [2019-10-15 00:20:45,436 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 12:20:45" (3/3) ... [2019-10-15 00:20:45,438 INFO L109 eAbstractionObserver]: Analyzing ICFG 32_7a_cilled_linux-3.8-rc1-drivers--video--udlfb.ko-main.cil.out.i [2019-10-15 00:20:45,448 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-15 00:20:45,460 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-15 00:20:45,477 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-15 00:20:45,514 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-15 00:20:45,514 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-15 00:20:45,514 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-15 00:20:45,514 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-15 00:20:45,514 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-15 00:20:45,514 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-15 00:20:45,515 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-15 00:20:45,515 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-15 00:20:45,564 INFO L276 IsEmpty]: Start isEmpty. Operand 1677 states. [2019-10-15 00:20:45,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-10-15 00:20:45,576 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 00:20:45,577 INFO L380 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] [2019-10-15 00:20:45,580 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 00:20:45,586 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 00:20:45,586 INFO L82 PathProgramCache]: Analyzing trace with hash 30188579, now seen corresponding path program 1 times [2019-10-15 00:20:45,596 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 00:20:45,597 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [506347529] [2019-10-15 00:20:45,597 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:20:45,597 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:20:45,598 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 00:20:46,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 00:20:46,399 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 00:20:46,400 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [506347529] [2019-10-15 00:20:46,401 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 00:20:46,401 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 00:20:46,401 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [868750281] [2019-10-15 00:20:46,407 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 00:20:46,409 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 00:20:46,425 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 00:20:46,425 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 00:20:46,428 INFO L87 Difference]: Start difference. First operand 1677 states. Second operand 3 states. [2019-10-15 00:20:47,609 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 00:20:47,609 INFO L93 Difference]: Finished difference Result 4376 states and 5688 transitions. [2019-10-15 00:20:47,610 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 00:20:47,615 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 34 [2019-10-15 00:20:47,616 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 00:20:47,669 INFO L225 Difference]: With dead ends: 4376 [2019-10-15 00:20:47,669 INFO L226 Difference]: Without dead ends: 2891 [2019-10-15 00:20:47,687 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 00:20:47,715 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2891 states. [2019-10-15 00:20:47,969 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2891 to 2887. [2019-10-15 00:20:47,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2887 states. [2019-10-15 00:20:47,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2887 states to 2887 states and 3704 transitions. [2019-10-15 00:20:48,001 INFO L78 Accepts]: Start accepts. Automaton has 2887 states and 3704 transitions. Word has length 34 [2019-10-15 00:20:48,002 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 00:20:48,002 INFO L462 AbstractCegarLoop]: Abstraction has 2887 states and 3704 transitions. [2019-10-15 00:20:48,002 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 00:20:48,002 INFO L276 IsEmpty]: Start isEmpty. Operand 2887 states and 3704 transitions. [2019-10-15 00:20:48,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2019-10-15 00:20:48,012 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 00:20:48,012 INFO L380 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] [2019-10-15 00:20:48,012 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 00:20:48,013 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 00:20:48,013 INFO L82 PathProgramCache]: Analyzing trace with hash 235529099, now seen corresponding path program 1 times [2019-10-15 00:20:48,013 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 00:20:48,013 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1994115784] [2019-10-15 00:20:48,013 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:20:48,014 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:20:48,014 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 00:20:48,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 00:20:48,277 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 00:20:48,277 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1994115784] [2019-10-15 00:20:48,277 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 00:20:48,277 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 00:20:48,277 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [395316493] [2019-10-15 00:20:48,279 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 00:20:48,279 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 00:20:48,279 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 00:20:48,280 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 00:20:48,280 INFO L87 Difference]: Start difference. First operand 2887 states and 3704 transitions. Second operand 3 states. [2019-10-15 00:20:48,662 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 00:20:48,662 INFO L93 Difference]: Finished difference Result 8540 states and 10946 transitions. [2019-10-15 00:20:48,662 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 00:20:48,663 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 42 [2019-10-15 00:20:48,663 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 00:20:48,718 INFO L225 Difference]: With dead ends: 8540 [2019-10-15 00:20:48,719 INFO L226 Difference]: Without dead ends: 5664 [2019-10-15 00:20:48,740 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 00:20:48,751 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5664 states. [2019-10-15 00:20:49,016 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5664 to 5636. [2019-10-15 00:20:49,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5636 states. [2019-10-15 00:20:49,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5636 states to 5636 states and 7220 transitions. [2019-10-15 00:20:49,058 INFO L78 Accepts]: Start accepts. Automaton has 5636 states and 7220 transitions. Word has length 42 [2019-10-15 00:20:49,059 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 00:20:49,059 INFO L462 AbstractCegarLoop]: Abstraction has 5636 states and 7220 transitions. [2019-10-15 00:20:49,059 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 00:20:49,059 INFO L276 IsEmpty]: Start isEmpty. Operand 5636 states and 7220 transitions. [2019-10-15 00:20:49,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2019-10-15 00:20:49,062 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 00:20:49,062 INFO L380 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] [2019-10-15 00:20:49,062 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 00:20:49,063 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 00:20:49,063 INFO L82 PathProgramCache]: Analyzing trace with hash -577293270, now seen corresponding path program 1 times [2019-10-15 00:20:49,063 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 00:20:49,064 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [539444931] [2019-10-15 00:20:49,064 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:20:49,064 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:20:49,064 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 00:20:49,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 00:20:49,264 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 00:20:49,265 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [539444931] [2019-10-15 00:20:49,265 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 00:20:49,265 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 00:20:49,266 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [102007088] [2019-10-15 00:20:49,266 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 00:20:49,266 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 00:20:49,267 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 00:20:49,267 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 00:20:49,267 INFO L87 Difference]: Start difference. First operand 5636 states and 7220 transitions. Second operand 3 states. [2019-10-15 00:20:49,651 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 00:20:49,651 INFO L93 Difference]: Finished difference Result 5662 states and 7252 transitions. [2019-10-15 00:20:49,652 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 00:20:49,652 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 39 [2019-10-15 00:20:49,652 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 00:20:49,688 INFO L225 Difference]: With dead ends: 5662 [2019-10-15 00:20:49,689 INFO L226 Difference]: Without dead ends: 5649 [2019-10-15 00:20:49,693 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 00:20:49,703 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5649 states. [2019-10-15 00:20:49,918 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5649 to 5636. [2019-10-15 00:20:49,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5636 states. [2019-10-15 00:20:49,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5636 states to 5636 states and 7219 transitions. [2019-10-15 00:20:49,946 INFO L78 Accepts]: Start accepts. Automaton has 5636 states and 7219 transitions. Word has length 39 [2019-10-15 00:20:49,947 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 00:20:49,947 INFO L462 AbstractCegarLoop]: Abstraction has 5636 states and 7219 transitions. [2019-10-15 00:20:49,947 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 00:20:49,947 INFO L276 IsEmpty]: Start isEmpty. Operand 5636 states and 7219 transitions. [2019-10-15 00:20:49,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2019-10-15 00:20:49,949 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 00:20:49,949 INFO L380 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] [2019-10-15 00:20:49,950 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 00:20:49,950 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 00:20:49,950 INFO L82 PathProgramCache]: Analyzing trace with hash -520034968, now seen corresponding path program 1 times [2019-10-15 00:20:49,951 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 00:20:49,951 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [328493335] [2019-10-15 00:20:49,951 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:20:49,951 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:20:49,951 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 00:20:50,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 00:20:50,178 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 00:20:50,179 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [328493335] [2019-10-15 00:20:50,179 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 00:20:50,179 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 00:20:50,179 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1263585196] [2019-10-15 00:20:50,180 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 00:20:50,180 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 00:20:50,180 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 00:20:50,181 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 00:20:50,181 INFO L87 Difference]: Start difference. First operand 5636 states and 7219 transitions. Second operand 3 states. [2019-10-15 00:20:51,455 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 00:20:51,456 INFO L93 Difference]: Finished difference Result 5638 states and 7220 transitions. [2019-10-15 00:20:51,456 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 00:20:51,456 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 39 [2019-10-15 00:20:51,457 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 00:20:51,492 INFO L225 Difference]: With dead ends: 5638 [2019-10-15 00:20:51,493 INFO L226 Difference]: Without dead ends: 5635 [2019-10-15 00:20:51,498 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 00:20:51,506 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5635 states. [2019-10-15 00:20:51,703 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5635 to 5635. [2019-10-15 00:20:51,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5635 states. [2019-10-15 00:20:51,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5635 states to 5635 states and 7217 transitions. [2019-10-15 00:20:51,850 INFO L78 Accepts]: Start accepts. Automaton has 5635 states and 7217 transitions. Word has length 39 [2019-10-15 00:20:51,850 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 00:20:51,850 INFO L462 AbstractCegarLoop]: Abstraction has 5635 states and 7217 transitions. [2019-10-15 00:20:51,850 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 00:20:51,851 INFO L276 IsEmpty]: Start isEmpty. Operand 5635 states and 7217 transitions. [2019-10-15 00:20:51,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2019-10-15 00:20:51,852 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 00:20:51,853 INFO L380 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] [2019-10-15 00:20:51,853 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 00:20:51,853 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 00:20:51,853 INFO L82 PathProgramCache]: Analyzing trace with hash 1057987564, now seen corresponding path program 1 times [2019-10-15 00:20:51,854 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 00:20:51,854 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1217330865] [2019-10-15 00:20:51,854 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:20:51,854 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:20:51,854 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 00:20:51,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 00:20:52,038 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 00:20:52,039 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1217330865] [2019-10-15 00:20:52,039 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 00:20:52,039 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 00:20:52,039 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [153439589] [2019-10-15 00:20:52,040 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 00:20:52,040 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 00:20:52,040 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 00:20:52,041 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 00:20:52,041 INFO L87 Difference]: Start difference. First operand 5635 states and 7217 transitions. Second operand 3 states. [2019-10-15 00:20:53,158 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 00:20:53,158 INFO L93 Difference]: Finished difference Result 5637 states and 7218 transitions. [2019-10-15 00:20:53,159 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 00:20:53,159 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 40 [2019-10-15 00:20:53,159 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 00:20:53,193 INFO L225 Difference]: With dead ends: 5637 [2019-10-15 00:20:53,194 INFO L226 Difference]: Without dead ends: 5634 [2019-10-15 00:20:53,198 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 00:20:53,207 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5634 states. [2019-10-15 00:20:53,404 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5634 to 5634. [2019-10-15 00:20:53,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5634 states. [2019-10-15 00:20:53,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5634 states to 5634 states and 7215 transitions. [2019-10-15 00:20:53,438 INFO L78 Accepts]: Start accepts. Automaton has 5634 states and 7215 transitions. Word has length 40 [2019-10-15 00:20:53,438 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 00:20:53,439 INFO L462 AbstractCegarLoop]: Abstraction has 5634 states and 7215 transitions. [2019-10-15 00:20:53,439 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 00:20:53,439 INFO L276 IsEmpty]: Start isEmpty. Operand 5634 states and 7215 transitions. [2019-10-15 00:20:53,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2019-10-15 00:20:53,441 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 00:20:53,441 INFO L380 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] [2019-10-15 00:20:53,441 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 00:20:53,442 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 00:20:53,442 INFO L82 PathProgramCache]: Analyzing trace with hash -1562916629, now seen corresponding path program 1 times [2019-10-15 00:20:53,442 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 00:20:53,442 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1214989280] [2019-10-15 00:20:53,442 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:20:53,443 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:20:53,443 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 00:20:53,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 00:20:53,607 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 00:20:53,607 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1214989280] [2019-10-15 00:20:53,608 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 00:20:53,608 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 00:20:53,608 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1068354419] [2019-10-15 00:20:53,608 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 00:20:53,609 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 00:20:53,609 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 00:20:53,609 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 00:20:53,609 INFO L87 Difference]: Start difference. First operand 5634 states and 7215 transitions. Second operand 3 states. [2019-10-15 00:20:55,513 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 00:20:55,513 INFO L93 Difference]: Finished difference Result 16802 states and 21840 transitions. [2019-10-15 00:20:55,514 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 00:20:55,514 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 41 [2019-10-15 00:20:55,514 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 00:20:55,581 INFO L225 Difference]: With dead ends: 16802 [2019-10-15 00:20:55,581 INFO L226 Difference]: Without dead ends: 11179 [2019-10-15 00:20:55,603 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 00:20:55,616 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11179 states. [2019-10-15 00:20:56,007 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11179 to 11161. [2019-10-15 00:20:56,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11161 states. [2019-10-15 00:20:56,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11161 states to 11161 states and 14466 transitions. [2019-10-15 00:20:56,053 INFO L78 Accepts]: Start accepts. Automaton has 11161 states and 14466 transitions. Word has length 41 [2019-10-15 00:20:56,054 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 00:20:56,054 INFO L462 AbstractCegarLoop]: Abstraction has 11161 states and 14466 transitions. [2019-10-15 00:20:56,054 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 00:20:56,055 INFO L276 IsEmpty]: Start isEmpty. Operand 11161 states and 14466 transitions. [2019-10-15 00:20:56,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2019-10-15 00:20:56,058 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 00:20:56,058 INFO L380 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] [2019-10-15 00:20:56,058 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 00:20:56,059 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 00:20:56,059 INFO L82 PathProgramCache]: Analyzing trace with hash -1206563121, now seen corresponding path program 1 times [2019-10-15 00:20:56,059 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 00:20:56,059 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1143350329] [2019-10-15 00:20:56,059 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:20:56,060 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:20:56,060 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 00:20:56,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 00:20:56,226 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 00:20:56,227 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1143350329] [2019-10-15 00:20:56,227 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 00:20:56,227 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 00:20:56,227 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1647700086] [2019-10-15 00:20:56,228 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 00:20:56,228 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 00:20:56,228 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 00:20:56,229 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 00:20:56,229 INFO L87 Difference]: Start difference. First operand 11161 states and 14466 transitions. Second operand 3 states. [2019-10-15 00:20:57,408 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 00:20:57,409 INFO L93 Difference]: Finished difference Result 11163 states and 14467 transitions. [2019-10-15 00:20:57,409 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 00:20:57,409 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 42 [2019-10-15 00:20:57,412 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 00:20:57,455 INFO L225 Difference]: With dead ends: 11163 [2019-10-15 00:20:57,455 INFO L226 Difference]: Without dead ends: 11160 [2019-10-15 00:20:57,461 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 00:20:57,476 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11160 states. [2019-10-15 00:20:57,851 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11160 to 11160. [2019-10-15 00:20:57,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11160 states. [2019-10-15 00:20:57,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11160 states to 11160 states and 14464 transitions. [2019-10-15 00:20:57,899 INFO L78 Accepts]: Start accepts. Automaton has 11160 states and 14464 transitions. Word has length 42 [2019-10-15 00:20:57,899 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 00:20:57,899 INFO L462 AbstractCegarLoop]: Abstraction has 11160 states and 14464 transitions. [2019-10-15 00:20:57,900 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 00:20:57,900 INFO L276 IsEmpty]: Start isEmpty. Operand 11160 states and 14464 transitions. [2019-10-15 00:20:57,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2019-10-15 00:20:57,902 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 00:20:57,903 INFO L380 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] [2019-10-15 00:20:57,903 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 00:20:57,903 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 00:20:57,903 INFO L82 PathProgramCache]: Analyzing trace with hash 1250465902, now seen corresponding path program 1 times [2019-10-15 00:20:57,904 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 00:20:57,904 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [886858659] [2019-10-15 00:20:57,904 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:20:57,904 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:20:57,904 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 00:20:57,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 00:20:58,076 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 00:20:58,077 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [886858659] [2019-10-15 00:20:58,077 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 00:20:58,077 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 00:20:58,077 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2142771142] [2019-10-15 00:20:58,078 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 00:20:58,078 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 00:20:58,078 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 00:20:58,079 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 00:20:58,079 INFO L87 Difference]: Start difference. First operand 11160 states and 14464 transitions. Second operand 3 states. [2019-10-15 00:20:59,691 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 00:20:59,691 INFO L93 Difference]: Finished difference Result 11162 states and 14465 transitions. [2019-10-15 00:20:59,738 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 00:20:59,738 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 43 [2019-10-15 00:20:59,738 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 00:20:59,787 INFO L225 Difference]: With dead ends: 11162 [2019-10-15 00:20:59,787 INFO L226 Difference]: Without dead ends: 11140 [2019-10-15 00:20:59,797 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 00:20:59,812 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11140 states. [2019-10-15 00:21:00,292 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11140 to 11140. [2019-10-15 00:21:00,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11140 states. [2019-10-15 00:21:00,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11140 states to 11140 states and 14439 transitions. [2019-10-15 00:21:00,327 INFO L78 Accepts]: Start accepts. Automaton has 11140 states and 14439 transitions. Word has length 43 [2019-10-15 00:21:00,328 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 00:21:00,328 INFO L462 AbstractCegarLoop]: Abstraction has 11140 states and 14439 transitions. [2019-10-15 00:21:00,328 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 00:21:00,328 INFO L276 IsEmpty]: Start isEmpty. Operand 11140 states and 14439 transitions. [2019-10-15 00:21:00,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2019-10-15 00:21:00,337 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 00:21:00,337 INFO L380 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] [2019-10-15 00:21:00,337 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 00:21:00,338 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 00:21:00,338 INFO L82 PathProgramCache]: Analyzing trace with hash -1086463741, now seen corresponding path program 1 times [2019-10-15 00:21:00,338 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 00:21:00,338 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [794520748] [2019-10-15 00:21:00,338 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:21:00,339 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:21:00,339 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 00:21:00,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 00:21:00,490 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 00:21:00,491 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [794520748] [2019-10-15 00:21:00,491 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 00:21:00,491 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 00:21:00,491 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [910675811] [2019-10-15 00:21:00,492 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 00:21:00,492 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 00:21:00,492 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 00:21:00,492 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 00:21:00,492 INFO L87 Difference]: Start difference. First operand 11140 states and 14439 transitions. Second operand 3 states.