java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --traceabstraction.trace.refinement.strategy SIFA_TAIPAN --sifa.abstract.domain CompoundDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--video--udlfb.ko-main.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f4eb214f-m [2019-10-13 22:06:52,595 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-13 22:06:52,598 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-13 22:06:52,617 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-13 22:06:52,618 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-13 22:06:52,620 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-13 22:06:52,621 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-13 22:06:52,631 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-13 22:06:52,636 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-13 22:06:52,639 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-13 22:06:52,640 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-13 22:06:52,642 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-13 22:06:52,642 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-13 22:06:52,644 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-13 22:06:52,647 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-13 22:06:52,649 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-13 22:06:52,650 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-13 22:06:52,651 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-13 22:06:52,653 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-13 22:06:52,657 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-13 22:06:52,662 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-13 22:06:52,665 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-13 22:06:52,668 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-13 22:06:52,669 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-13 22:06:52,671 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-13 22:06:52,671 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-13 22:06:52,671 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-13 22:06:52,673 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-13 22:06:52,675 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-13 22:06:52,676 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-13 22:06:52,676 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-13 22:06:52,678 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-13 22:06:52,679 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-13 22:06:52,680 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-13 22:06:52,682 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-13 22:06:52,682 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-13 22:06:52,684 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-13 22:06:52,684 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-13 22:06:52,684 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-13 22:06:52,685 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-13 22:06:52,686 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-13 22:06:52,687 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 [2019-10-13 22:06:52,715 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-13 22:06:52,715 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-13 22:06:52,717 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-13 22:06:52,717 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-13 22:06:52,717 INFO L138 SettingsManager]: * Use SBE=true [2019-10-13 22:06:52,717 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-13 22:06:52,717 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-13 22:06:52,717 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-13 22:06:52,718 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-13 22:06:52,718 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-13 22:06:52,718 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-13 22:06:52,718 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-13 22:06:52,718 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-13 22:06:52,719 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-13 22:06:52,719 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-13 22:06:52,719 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-13 22:06:52,719 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-13 22:06:52,719 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-13 22:06:52,720 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-13 22:06:52,720 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-13 22:06:52,720 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-13 22:06:52,720 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 22:06:52,720 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-13 22:06:52,721 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-13 22:06:52,721 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-13 22:06:52,721 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-13 22:06:52,721 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-13 22:06:52,721 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-13 22:06:52,722 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> SIFA_TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> CompoundDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK [2019-10-13 22:06:53,010 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-13 22:06:53,023 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-13 22:06:53,027 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-13 22:06:53,029 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-13 22:06:53,029 INFO L275 PluginConnector]: CDTParser initialized [2019-10-13 22:06:53,030 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--video--udlfb.ko-main.cil.out.i [2019-10-13 22:06:53,107 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9fc82ec22/b839e3762e134a778f3a3e9ad28df030/FLAGf3a280730 [2019-10-13 22:06:53,931 INFO L306 CDTParser]: Found 1 translation units. [2019-10-13 22:06:53,932 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--video--udlfb.ko-main.cil.out.i [2019-10-13 22:06:53,974 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9fc82ec22/b839e3762e134a778f3a3e9ad28df030/FLAGf3a280730 [2019-10-13 22:06:54,447 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9fc82ec22/b839e3762e134a778f3a3e9ad28df030 [2019-10-13 22:06:54,457 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-13 22:06:54,459 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-13 22:06:54,460 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-13 22:06:54,460 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-13 22:06:54,464 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-13 22:06:54,465 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 10:06:54" (1/1) ... [2019-10-13 22:06:54,468 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@734aed89 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:06:54, skipping insertion in model container [2019-10-13 22:06:54,468 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 10:06:54" (1/1) ... [2019-10-13 22:06:54,475 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-13 22:06:54,615 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-13 22:06:56,549 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 22:06:56,607 INFO L188 MainTranslator]: Completed pre-run [2019-10-13 22:06:57,037 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 22:06:57,459 INFO L192 MainTranslator]: Completed translation [2019-10-13 22:06:57,460 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:06:57 WrapperNode [2019-10-13 22:06:57,460 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-13 22:06:57,461 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-13 22:06:57,461 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-13 22:06:57,461 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-13 22:06:57,477 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:06:57" (1/1) ... [2019-10-13 22:06:57,477 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:06:57" (1/1) ... [2019-10-13 22:06:57,606 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:06:57" (1/1) ... [2019-10-13 22:06:57,606 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:06:57" (1/1) ... [2019-10-13 22:06:57,741 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:06:57" (1/1) ... [2019-10-13 22:06:57,781 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:06:57" (1/1) ... [2019-10-13 22:06:57,818 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:06:57" (1/1) ... [2019-10-13 22:06:57,848 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-13 22:06:57,849 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-13 22:06:57,849 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-13 22:06:57,849 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-13 22:06:57,850 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:06:57" (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 [2019-10-13 22:06:57,920 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-13 22:06:57,920 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-13 22:06:57,921 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2019-10-13 22:06:57,921 INFO L138 BoogieDeclarations]: Found implementation of procedure avoid_zero [2019-10-13 22:06:57,921 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2019-10-13 22:06:57,921 INFO L138 BoogieDeclarations]: Found implementation of procedure __swab16p [2019-10-13 22:06:57,921 INFO L138 BoogieDeclarations]: Found implementation of procedure __cpu_to_be16p [2019-10-13 22:06:57,922 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2019-10-13 22:06:57,922 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2019-10-13 22:06:57,922 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del_init [2019-10-13 22:06:57,922 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2019-10-13 22:06:57,924 INFO L138 BoogieDeclarations]: Found implementation of procedure paravirt_read_tsc [2019-10-13 22:06:57,924 INFO L138 BoogieDeclarations]: Found implementation of procedure prefetchw [2019-10-13 22:06:57,924 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2019-10-13 22:06:57,924 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2019-10-13 22:06:57,924 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_add [2019-10-13 22:06:57,927 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_sub_and_test [2019-10-13 22:06:57,927 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2019-10-13 22:06:57,927 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2019-10-13 22:06:57,927 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2019-10-13 22:06:57,928 INFO L138 BoogieDeclarations]: Found implementation of procedure get_cycles [2019-10-13 22:06:57,928 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_init [2019-10-13 22:06:57,928 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_get [2019-10-13 22:06:57,928 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_sub [2019-10-13 22:06:57,928 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_put [2019-10-13 22:06:57,928 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2019-10-13 22:06:57,928 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2019-10-13 22:06:57,929 INFO L138 BoogieDeclarations]: Found implementation of procedure sema_init [2019-10-13 22:06:57,929 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intfdata [2019-10-13 22:06:57,929 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2019-10-13 22:06:57,929 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2019-10-13 22:06:57,929 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_bulk_urb [2019-10-13 22:06:57,929 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2019-10-13 22:06:57,929 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2019-10-13 22:06:57,930 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-10-13 22:06:57,930 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2019-10-13 22:06:57,930 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2019-10-13 22:06:57,930 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2019-10-13 22:06:57,930 INFO L138 BoogieDeclarations]: Found implementation of procedure prefetch_range [2019-10-13 22:06:57,930 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_set_register [2019-10-13 22:06:57,930 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_vidreg_lock [2019-10-13 22:06:57,931 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_vidreg_unlock [2019-10-13 22:06:57,931 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_blanking [2019-10-13 22:06:57,931 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_set_color_depth [2019-10-13 22:06:57,931 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_set_base16bpp [2019-10-13 22:06:57,931 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_set_base8bpp [2019-10-13 22:06:57,931 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_set_register_16 [2019-10-13 22:06:57,932 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_set_register_16be [2019-10-13 22:06:57,932 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_lfsr16 [2019-10-13 22:06:57,932 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_set_register_lfsr16 [2019-10-13 22:06:57,932 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_set_vid_cmds [2019-10-13 22:06:57,932 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_set_video_mode [2019-10-13 22:06:57,932 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_ops_mmap [2019-10-13 22:06:57,932 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_trim_hline [2019-10-13 22:06:57,933 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_compress_hline [2019-10-13 22:06:57,933 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_render_hline [2019-10-13 22:06:57,933 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_handle_damage [2019-10-13 22:06:57,933 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_ops_write [2019-10-13 22:06:57,933 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_ops_copyarea [2019-10-13 22:06:57,934 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_ops_imageblit [2019-10-13 22:06:57,935 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_ops_fillrect [2019-10-13 22:06:57,935 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_dpy_deferred_io [2019-10-13 22:06:57,935 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_get_edid [2019-10-13 22:06:57,935 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_ops_ioctl [2019-10-13 22:06:57,935 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_ops_setcolreg [2019-10-13 22:06:57,935 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_ops_open [2019-10-13 22:06:57,935 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_free [2019-10-13 22:06:57,936 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_release_urb_work [2019-10-13 22:06:57,936 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_free_framebuffer [2019-10-13 22:06:57,936 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_free_framebuffer_work [2019-10-13 22:06:57,936 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_ops_release [2019-10-13 22:06:57,936 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_is_valid_mode [2019-10-13 22:06:57,937 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_var_color_format [2019-10-13 22:06:57,937 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_ops_check_var [2019-10-13 22:06:57,937 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_ops_set_par [2019-10-13 22:06:57,938 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_dummy_render [2019-10-13 22:06:57,938 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_ops_blank [2019-10-13 22:06:57,938 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_realloc_framebuffer [2019-10-13 22:06:57,939 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_setup_modes [2019-10-13 22:06:57,939 INFO L138 BoogieDeclarations]: Found implementation of procedure metrics_bytes_rendered_show [2019-10-13 22:06:57,939 INFO L138 BoogieDeclarations]: Found implementation of procedure metrics_bytes_identical_show [2019-10-13 22:06:57,939 INFO L138 BoogieDeclarations]: Found implementation of procedure metrics_bytes_sent_show [2019-10-13 22:06:57,940 INFO L138 BoogieDeclarations]: Found implementation of procedure metrics_cpu_kcycles_used_show [2019-10-13 22:06:57,940 INFO L138 BoogieDeclarations]: Found implementation of procedure edid_show [2019-10-13 22:06:57,940 INFO L138 BoogieDeclarations]: Found implementation of procedure edid_store [2019-10-13 22:06:57,940 INFO L138 BoogieDeclarations]: Found implementation of procedure metrics_reset_store [2019-10-13 22:06:57,941 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_select_std_channel [2019-10-13 22:06:57,941 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_parse_vendor_descriptor [2019-10-13 22:06:57,941 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_usb_probe [2019-10-13 22:06:57,941 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_init_framebuffer_work [2019-10-13 22:06:57,941 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_usb_disconnect [2019-10-13 22:06:57,942 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_driver_init [2019-10-13 22:06:57,942 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_driver_exit [2019-10-13 22:06:57,942 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_urb_completion [2019-10-13 22:06:57,942 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_free_urb_list [2019-10-13 22:06:57,942 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_alloc_urb_list [2019-10-13 22:06:57,942 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_get_urb [2019-10-13 22:06:57,942 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_submit_urb [2019-10-13 22:06:57,943 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-13 22:06:57,943 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_1 [2019-10-13 22:06:57,943 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_2 [2019-10-13 22:06:57,943 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_3 [2019-10-13 22:06:57,943 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_4 [2019-10-13 22:06:57,943 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_5 [2019-10-13 22:06:57,943 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_6 [2019-10-13 22:06:57,943 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_7 [2019-10-13 22:06:57,944 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_8 [2019-10-13 22:06:57,944 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_9 [2019-10-13 22:06:57,944 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_10 [2019-10-13 22:06:57,944 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_11 [2019-10-13 22:06:57,944 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_12 [2019-10-13 22:06:57,944 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_register_driver_13 [2019-10-13 22:06:57,945 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_deregister_14 [2019-10-13 22:06:57,945 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2019-10-13 22:06:57,945 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2019-10-13 22:06:57,945 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2019-10-13 22:06:57,945 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_cred_guard_mutex_of_signal_struct [2019-10-13 22:06:57,946 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_cred_guard_mutex_of_signal_struct [2019-10-13 22:06:57,946 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_cred_guard_mutex_of_signal_struct [2019-10-13 22:06:57,946 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_cred_guard_mutex_of_signal_struct [2019-10-13 22:06:57,946 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_cred_guard_mutex_of_signal_struct [2019-10-13 22:06:57,946 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_cred_guard_mutex_of_signal_struct [2019-10-13 22:06:57,946 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_cred_guard_mutex_of_signal_struct [2019-10-13 22:06:57,947 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_lock [2019-10-13 22:06:57,947 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_lock [2019-10-13 22:06:57,948 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock [2019-10-13 22:06:57,948 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_lock [2019-10-13 22:06:57,948 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_lock [2019-10-13 22:06:57,948 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_lock [2019-10-13 22:06:57,948 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock [2019-10-13 22:06:57,951 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_lock_of_fb_info [2019-10-13 22:06:57,951 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_lock_of_fb_info [2019-10-13 22:06:57,952 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock_of_fb_info [2019-10-13 22:06:57,952 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_lock_of_fb_info [2019-10-13 22:06:57,955 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_lock_of_fb_info [2019-10-13 22:06:57,955 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_lock_of_fb_info [2019-10-13 22:06:57,956 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock_of_fb_info [2019-10-13 22:06:57,956 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_mutex_of_device [2019-10-13 22:06:57,956 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_mutex_of_device [2019-10-13 22:06:57,957 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mutex_of_device [2019-10-13 22:06:57,957 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_mutex_of_device [2019-10-13 22:06:57,957 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2019-10-13 22:06:57,957 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_mutex_of_device [2019-10-13 22:06:57,958 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex_of_device [2019-10-13 22:06:57,963 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_update_lock_of_backlight_device [2019-10-13 22:06:57,963 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_update_lock_of_backlight_device [2019-10-13 22:06:57,963 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_update_lock_of_backlight_device [2019-10-13 22:06:57,963 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_update_lock_of_backlight_device [2019-10-13 22:06:57,963 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_update_lock_of_backlight_device [2019-10-13 22:06:57,963 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_update_lock_of_backlight_device [2019-10-13 22:06:57,964 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_update_lock_of_backlight_device [2019-10-13 22:06:57,964 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-10-13 22:06:57,964 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-10-13 22:06:57,964 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2019-10-13 22:06:57,964 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2019-10-13 22:06:57,964 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_del_entry [2019-10-13 22:06:57,964 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2019-10-13 22:06:57,965 INFO L138 BoogieDeclarations]: Found implementation of procedure __usb_get_extra_descriptor [2019-10-13 22:06:57,965 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2019-10-13 22:06:57,965 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2019-10-13 22:06:57,965 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2019-10-13 22:06:57,966 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irqrestore [2019-10-13 22:06:57,966 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2019-10-13 22:06:57,966 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2019-10-13 22:06:57,966 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2019-10-13 22:06:57,967 INFO L138 BoogieDeclarations]: Found implementation of procedure device_create_bin_file [2019-10-13 22:06:57,967 INFO L138 BoogieDeclarations]: Found implementation of procedure device_create_file [2019-10-13 22:06:57,967 INFO L138 BoogieDeclarations]: Found implementation of procedure device_remove_bin_file [2019-10-13 22:06:57,967 INFO L138 BoogieDeclarations]: Found implementation of procedure device_remove_file [2019-10-13 22:06:57,967 INFO L138 BoogieDeclarations]: Found implementation of procedure down_interruptible [2019-10-13 22:06:57,967 INFO L138 BoogieDeclarations]: Found implementation of procedure down_timeout [2019-10-13 22:06:57,967 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_add_videomode [2019-10-13 22:06:57,967 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_alloc_cmap [2019-10-13 22:06:57,968 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_dealloc_cmap [2019-10-13 22:06:57,968 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_deferred_io_cleanup [2019-10-13 22:06:57,968 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_deferred_io_init [2019-10-13 22:06:57,968 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_destroy_modedb [2019-10-13 22:06:57,968 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_destroy_modelist [2019-10-13 22:06:57,968 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_edid_to_monspecs [2019-10-13 22:06:57,968 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_find_best_display [2019-10-13 22:06:57,969 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_find_nearest_mode [2019-10-13 22:06:57,969 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_sys_read [2019-10-13 22:06:57,969 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_sys_write [2019-10-13 22:06:57,969 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_var_to_videomode [2019-10-13 22:06:57,969 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_videomode_to_var [2019-10-13 22:06:57,969 INFO L138 BoogieDeclarations]: Found implementation of procedure framebuffer_alloc [2019-10-13 22:06:57,969 INFO L138 BoogieDeclarations]: Found implementation of procedure framebuffer_release [2019-10-13 22:06:57,969 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2019-10-13 22:06:57,970 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dlfb_ops_probe_3 [2019-10-13 22:06:57,970 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dlfb_ops_release_3 [2019-10-13 22:06:57,970 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_edid_attr_probe_2 [2019-10-13 22:06:57,970 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_edid_attr_release_2 [2019-10-13 22:06:57,970 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2019-10-13 22:06:57,970 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2019-10-13 22:06:57,970 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2019-10-13 22:06:57,970 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_trylock [2019-10-13 22:06:57,971 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2019-10-13 22:06:57,971 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2019-10-13 22:06:57,971 INFO L138 BoogieDeclarations]: Found implementation of procedure register_framebuffer [2019-10-13 22:06:57,971 INFO L138 BoogieDeclarations]: Found implementation of procedure remap_pfn_range [2019-10-13 22:06:57,971 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_delayed_work [2019-10-13 22:06:57,971 INFO L138 BoogieDeclarations]: Found implementation of procedure sys_copyarea [2019-10-13 22:06:57,971 INFO L138 BoogieDeclarations]: Found implementation of procedure sys_fillrect [2019-10-13 22:06:57,971 INFO L138 BoogieDeclarations]: Found implementation of procedure sys_imageblit [2019-10-13 22:06:57,972 INFO L138 BoogieDeclarations]: Found implementation of procedure unlink_framebuffer [2019-10-13 22:06:57,972 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_framebuffer [2019-10-13 22:06:57,972 INFO L138 BoogieDeclarations]: Found implementation of procedure up [2019-10-13 22:06:57,972 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_coherent [2019-10-13 22:06:57,972 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2019-10-13 22:06:57,972 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2019-10-13 22:06:57,972 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_deregister [2019-10-13 22:06:57,972 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_coherent [2019-10-13 22:06:57,973 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2019-10-13 22:06:57,973 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_descriptor [2019-10-13 22:06:57,973 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register_driver [2019-10-13 22:06:57,973 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2019-10-13 22:06:57,973 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2019-10-13 22:06:57,973 INFO L138 BoogieDeclarations]: Found implementation of procedure vmalloc [2019-10-13 22:06:57,973 INFO L138 BoogieDeclarations]: Found implementation of procedure vmalloc_to_pfn [2019-10-13 22:06:57,973 INFO L138 BoogieDeclarations]: Found implementation of procedure vzalloc [2019-10-13 22:06:57,974 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_fmt [2019-10-13 22:06:57,974 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2019-10-13 22:06:57,974 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-10-13 22:06:57,974 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-10-13 22:06:57,974 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-10-13 22:06:57,974 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-10-13 22:06:57,975 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-13 22:06:57,975 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-10-13 22:06:57,975 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-10-13 22:06:57,975 INFO L130 BoogieDeclarations]: Found specification of procedure avoid_zero [2019-10-13 22:06:57,975 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2019-10-13 22:06:57,975 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2019-10-13 22:06:57,975 INFO L130 BoogieDeclarations]: Found specification of procedure __swab16p [2019-10-13 22:06:57,975 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-13 22:06:57,976 INFO L130 BoogieDeclarations]: Found specification of procedure __cpu_to_be16p [2019-10-13 22:06:57,976 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2019-10-13 22:06:57,976 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2019-10-13 22:06:57,976 INFO L130 BoogieDeclarations]: Found specification of procedure snprintf [2019-10-13 22:06:57,976 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2019-10-13 22:06:57,976 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-13 22:06:57,976 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2019-10-13 22:06:57,976 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2019-10-13 22:06:57,977 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-13 22:06:57,977 INFO L130 BoogieDeclarations]: Found specification of procedure __list_del_entry [2019-10-13 22:06:57,977 INFO L130 BoogieDeclarations]: Found specification of procedure list_del_init [2019-10-13 22:06:57,977 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2019-10-13 22:06:58,041 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-10-13 22:06:58,042 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-10-13 22:06:58,042 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2019-10-13 22:06:58,042 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_fmt [2019-10-13 22:06:58,042 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2019-10-13 22:06:58,043 INFO L130 BoogieDeclarations]: Found specification of procedure paravirt_read_tsc [2019-10-13 22:06:58,043 INFO L130 BoogieDeclarations]: Found specification of procedure prefetchw [2019-10-13 22:06:58,043 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2019-10-13 22:06:58,043 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2019-10-13 22:06:58,043 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-13 22:06:58,043 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_add [2019-10-13 22:06:58,043 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_sub_and_test [2019-10-13 22:06:58,043 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2019-10-13 22:06:58,044 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2019-10-13 22:06:58,044 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_trylock [2019-10-13 22:06:58,044 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_4 [2019-10-13 22:06:58,044 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2019-10-13 22:06:58,044 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_2 [2019-10-13 22:06:58,044 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_5 [2019-10-13 22:06:58,044 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_7 [2019-10-13 22:06:58,044 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_9 [2019-10-13 22:06:58,045 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_10 [2019-10-13 22:06:58,045 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_12 [2019-10-13 22:06:58,045 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2019-10-13 22:06:58,049 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_1 [2019-10-13 22:06:58,049 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_3 [2019-10-13 22:06:58,049 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_6 [2019-10-13 22:06:58,049 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_8 [2019-10-13 22:06:58,050 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_11 [2019-10-13 22:06:58,050 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_cred_guard_mutex_of_signal_struct [2019-10-13 22:06:58,050 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_cred_guard_mutex_of_signal_struct [2019-10-13 22:06:58,050 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock [2019-10-13 22:06:58,050 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock [2019-10-13 22:06:58,050 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock_of_fb_info [2019-10-13 22:06:58,050 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock_of_fb_info [2019-10-13 22:06:58,050 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mutex_of_device [2019-10-13 22:06:58,051 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_mutex_of_device [2019-10-13 22:06:58,051 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex_of_device [2019-10-13 22:06:58,051 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_update_lock_of_backlight_device [2019-10-13 22:06:58,051 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_update_lock_of_backlight_device [2019-10-13 22:06:58,053 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-13 22:06:58,053 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2019-10-13 22:06:58,053 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2019-10-13 22:06:58,053 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore [2019-10-13 22:06:58,053 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2019-10-13 22:06:58,054 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2019-10-13 22:06:58,054 INFO L130 BoogieDeclarations]: Found specification of procedure get_cycles [2019-10-13 22:06:58,054 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2019-10-13 22:06:58,054 INFO L130 BoogieDeclarations]: Found specification of procedure delayed_work_timer_fn [2019-10-13 22:06:58,054 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2019-10-13 22:06:58,055 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_delayed_work [2019-10-13 22:06:58,055 INFO L130 BoogieDeclarations]: Found specification of procedure vmalloc [2019-10-13 22:06:58,055 INFO L130 BoogieDeclarations]: Found specification of procedure vzalloc [2019-10-13 22:06:58,055 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2019-10-13 22:06:58,055 INFO L130 BoogieDeclarations]: Found specification of procedure kref_init [2019-10-13 22:06:58,055 INFO L130 BoogieDeclarations]: Found specification of procedure kref_get [2019-10-13 22:06:58,055 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-13 22:06:58,055 INFO L130 BoogieDeclarations]: Found specification of procedure kref_sub [2019-10-13 22:06:58,056 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2019-10-13 22:06:58,056 INFO L130 BoogieDeclarations]: Found specification of procedure kref_put [2019-10-13 22:06:58,056 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2019-10-13 22:06:58,056 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2019-10-13 22:06:58,056 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2019-10-13 22:06:58,056 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2019-10-13 22:06:58,056 INFO L130 BoogieDeclarations]: Found specification of procedure device_create_file [2019-10-13 22:06:58,056 INFO L130 BoogieDeclarations]: Found specification of procedure device_remove_file [2019-10-13 22:06:58,057 INFO L130 BoogieDeclarations]: Found specification of procedure device_create_bin_file [2019-10-13 22:06:58,057 INFO L130 BoogieDeclarations]: Found specification of procedure device_remove_bin_file [2019-10-13 22:06:58,057 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2019-10-13 22:06:58,057 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2019-10-13 22:06:58,057 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2019-10-13 22:06:58,057 INFO L130 BoogieDeclarations]: Found specification of procedure sema_init [2019-10-13 22:06:58,057 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-13 22:06:58,057 INFO L130 BoogieDeclarations]: Found specification of procedure down_interruptible [2019-10-13 22:06:58,058 INFO L130 BoogieDeclarations]: Found specification of procedure down_timeout [2019-10-13 22:06:58,058 INFO L130 BoogieDeclarations]: Found specification of procedure up [2019-10-13 22:06:58,058 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intfdata [2019-10-13 22:06:58,058 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2019-10-13 22:06:58,058 INFO L130 BoogieDeclarations]: Found specification of procedure __usb_get_extra_descriptor [2019-10-13 22:06:58,058 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2019-10-13 22:06:58,058 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register_driver [2019-10-13 22:06:58,059 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_register_driver_13 [2019-10-13 22:06:58,059 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister [2019-10-13 22:06:58,059 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_deregister_14 [2019-10-13 22:06:58,059 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_bulk_urb [2019-10-13 22:06:58,059 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2019-10-13 22:06:58,059 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2019-10-13 22:06:58,059 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2019-10-13 22:06:58,059 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_coherent [2019-10-13 22:06:58,060 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_coherent [2019-10-13 22:06:58,060 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2019-10-13 22:06:58,060 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_descriptor [2019-10-13 22:06:58,060 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2019-10-13 22:06:58,060 INFO L130 BoogieDeclarations]: Found specification of procedure vmalloc_to_pfn [2019-10-13 22:06:58,060 INFO L130 BoogieDeclarations]: Found specification of procedure remap_pfn_range [2019-10-13 22:06:58,060 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-10-13 22:06:58,060 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-13 22:06:58,061 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2019-10-13 22:06:58,061 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-10-13 22:06:58,061 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-13 22:06:58,061 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2019-10-13 22:06:58,061 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2019-10-13 22:06:58,061 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2019-10-13 22:06:58,061 INFO L130 BoogieDeclarations]: Found specification of procedure sys_fillrect [2019-10-13 22:06:58,061 INFO L130 BoogieDeclarations]: Found specification of procedure sys_copyarea [2019-10-13 22:06:58,061 INFO L130 BoogieDeclarations]: Found specification of procedure sys_imageblit [2019-10-13 22:06:58,062 INFO L130 BoogieDeclarations]: Found specification of procedure fb_sys_read [2019-10-13 22:06:58,062 INFO L130 BoogieDeclarations]: Found specification of procedure fb_sys_write [2019-10-13 22:06:58,062 INFO L130 BoogieDeclarations]: Found specification of procedure register_framebuffer [2019-10-13 22:06:58,062 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_framebuffer [2019-10-13 22:06:58,062 INFO L130 BoogieDeclarations]: Found specification of procedure unlink_framebuffer [2019-10-13 22:06:58,062 INFO L130 BoogieDeclarations]: Found specification of procedure fb_deferred_io_init [2019-10-13 22:06:58,062 INFO L130 BoogieDeclarations]: Found specification of procedure fb_deferred_io_cleanup [2019-10-13 22:06:58,062 INFO L130 BoogieDeclarations]: Found specification of procedure framebuffer_alloc [2019-10-13 22:06:58,063 INFO L130 BoogieDeclarations]: Found specification of procedure framebuffer_release [2019-10-13 22:06:58,063 INFO L130 BoogieDeclarations]: Found specification of procedure fb_edid_to_monspecs [2019-10-13 22:06:58,063 INFO L130 BoogieDeclarations]: Found specification of procedure fb_destroy_modedb [2019-10-13 22:06:58,063 INFO L130 BoogieDeclarations]: Found specification of procedure fb_var_to_videomode [2019-10-13 22:06:58,063 INFO L130 BoogieDeclarations]: Found specification of procedure fb_videomode_to_var [2019-10-13 22:06:58,063 INFO L130 BoogieDeclarations]: Found specification of procedure fb_add_videomode [2019-10-13 22:06:58,063 INFO L130 BoogieDeclarations]: Found specification of procedure fb_find_nearest_mode [2019-10-13 22:06:58,063 INFO L130 BoogieDeclarations]: Found specification of procedure fb_destroy_modelist [2019-10-13 22:06:58,064 INFO L130 BoogieDeclarations]: Found specification of procedure fb_find_best_display [2019-10-13 22:06:58,064 INFO L130 BoogieDeclarations]: Found specification of procedure fb_alloc_cmap [2019-10-13 22:06:58,064 INFO L130 BoogieDeclarations]: Found specification of procedure fb_dealloc_cmap [2019-10-13 22:06:58,064 INFO L130 BoogieDeclarations]: Found specification of procedure prefetch_range [2019-10-13 22:06:58,064 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_urb_completion [2019-10-13 22:06:58,064 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_get_urb [2019-10-13 22:06:58,064 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_submit_urb [2019-10-13 22:06:58,064 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_alloc_urb_list [2019-10-13 22:06:58,064 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_free_urb_list [2019-10-13 22:06:58,065 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_set_register [2019-10-13 22:06:58,065 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_vidreg_lock [2019-10-13 22:06:58,065 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_vidreg_unlock [2019-10-13 22:06:58,065 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_blanking [2019-10-13 22:06:58,065 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_set_color_depth [2019-10-13 22:06:58,065 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_set_base16bpp [2019-10-13 22:06:58,066 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_set_base8bpp [2019-10-13 22:06:58,066 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_set_register_16 [2019-10-13 22:06:58,066 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_set_register_16be [2019-10-13 22:06:58,066 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_lfsr16 [2019-10-13 22:06:58,066 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_set_register_lfsr16 [2019-10-13 22:06:58,066 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_set_vid_cmds [2019-10-13 22:06:58,067 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_set_video_mode [2019-10-13 22:06:58,067 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_ops_mmap [2019-10-13 22:06:58,067 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_trim_hline [2019-10-13 22:06:58,067 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_compress_hline [2019-10-13 22:06:58,067 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-10-13 22:06:58,068 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_render_hline [2019-10-13 22:06:58,068 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-10-13 22:06:58,068 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_handle_damage [2019-10-13 22:06:58,069 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_ops_write [2019-10-13 22:06:58,069 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_ops_copyarea [2019-10-13 22:06:58,069 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_ops_imageblit [2019-10-13 22:06:58,071 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_ops_fillrect [2019-10-13 22:06:58,071 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_dpy_deferred_io [2019-10-13 22:06:58,071 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_get_edid [2019-10-13 22:06:58,072 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_ops_ioctl [2019-10-13 22:06:58,072 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_ops_setcolreg [2019-10-13 22:06:58,072 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_ops_open [2019-10-13 22:06:58,072 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_free [2019-10-13 22:06:58,072 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_release_urb_work [2019-10-13 22:06:58,072 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_free_framebuffer [2019-10-13 22:06:58,072 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_free_framebuffer_work [2019-10-13 22:06:58,072 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_ops_release [2019-10-13 22:06:58,072 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_is_valid_mode [2019-10-13 22:06:58,073 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_var_color_format [2019-10-13 22:06:58,073 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_ops_check_var [2019-10-13 22:06:58,073 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_ops_set_par [2019-10-13 22:06:58,073 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_dummy_render [2019-10-13 22:06:58,073 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_ops_blank [2019-10-13 22:06:58,073 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_realloc_framebuffer [2019-10-13 22:06:58,073 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_setup_modes [2019-10-13 22:06:58,074 INFO L130 BoogieDeclarations]: Found specification of procedure metrics_bytes_rendered_show [2019-10-13 22:06:58,074 INFO L130 BoogieDeclarations]: Found specification of procedure metrics_bytes_identical_show [2019-10-13 22:06:58,074 INFO L130 BoogieDeclarations]: Found specification of procedure metrics_bytes_sent_show [2019-10-13 22:06:58,074 INFO L130 BoogieDeclarations]: Found specification of procedure metrics_cpu_kcycles_used_show [2019-10-13 22:06:58,074 INFO L130 BoogieDeclarations]: Found specification of procedure edid_show [2019-10-13 22:06:58,074 INFO L130 BoogieDeclarations]: Found specification of procedure edid_store [2019-10-13 22:06:58,074 INFO L130 BoogieDeclarations]: Found specification of procedure metrics_reset_store [2019-10-13 22:06:58,074 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_select_std_channel [2019-10-13 22:06:58,074 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_parse_vendor_descriptor [2019-10-13 22:06:58,075 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_init_framebuffer_work [2019-10-13 22:06:58,075 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_usb_probe [2019-10-13 22:06:58,075 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_usb_disconnect [2019-10-13 22:06:58,075 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_driver_init [2019-10-13 22:06:58,075 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_driver_exit [2019-10-13 22:06:58,075 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_edid_attr_probe_2 [2019-10-13 22:06:58,075 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dlfb_ops_probe_3 [2019-10-13 22:06:58,075 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_edid_attr_release_2 [2019-10-13 22:06:58,076 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-10-13 22:06:58,076 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-10-13 22:06:58,076 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dlfb_ops_release_3 [2019-10-13 22:06:58,076 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-13 22:06:58,076 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2019-10-13 22:06:58,076 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2019-10-13 22:06:58,076 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_cred_guard_mutex_of_signal_struct [2019-10-13 22:06:58,076 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_cred_guard_mutex_of_signal_struct [2019-10-13 22:06:58,076 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_cred_guard_mutex_of_signal_struct [2019-10-13 22:06:58,077 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_cred_guard_mutex_of_signal_struct [2019-10-13 22:06:58,077 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_cred_guard_mutex_of_signal_struct [2019-10-13 22:06:58,077 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_lock [2019-10-13 22:06:58,077 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_lock [2019-10-13 22:06:58,077 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_lock [2019-10-13 22:06:58,077 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_lock [2019-10-13 22:06:58,077 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_lock [2019-10-13 22:06:58,077 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_lock_of_fb_info [2019-10-13 22:06:58,077 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_lock_of_fb_info [2019-10-13 22:06:58,078 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_lock_of_fb_info [2019-10-13 22:06:58,078 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_lock_of_fb_info [2019-10-13 22:06:58,078 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_lock_of_fb_info [2019-10-13 22:06:58,078 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_mutex_of_device [2019-10-13 22:06:58,078 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_mutex_of_device [2019-10-13 22:06:58,078 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2019-10-13 22:06:58,078 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_mutex_of_device [2019-10-13 22:06:58,078 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_update_lock_of_backlight_device [2019-10-13 22:06:58,079 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_update_lock_of_backlight_device [2019-10-13 22:06:58,079 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_update_lock_of_backlight_device [2019-10-13 22:06:58,079 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_update_lock_of_backlight_device [2019-10-13 22:06:58,079 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_update_lock_of_backlight_device [2019-10-13 22:06:58,079 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-10-13 22:06:58,079 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-10-13 22:06:58,079 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2019-10-13 22:06:58,079 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-10-13 22:06:58,079 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-10-13 22:06:58,080 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-13 22:06:58,080 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-13 22:06:58,080 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-13 22:06:58,080 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-10-13 22:06:58,080 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-13 22:06:58,080 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2019-10-13 22:06:58,080 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2019-10-13 22:06:58,080 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-10-13 22:06:58,080 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-10-13 22:07:14,908 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-13 22:07:14,909 INFO L284 CfgBuilder]: Removed 0 assume(true) statements. [2019-10-13 22:07:14,912 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 10:07:14 BoogieIcfgContainer [2019-10-13 22:07:14,913 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-13 22:07:14,916 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-13 22:07:14,917 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-13 22:07:14,921 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-13 22:07:14,921 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 10:06:54" (1/3) ... [2019-10-13 22:07:14,922 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@386d74d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 10:07:14, skipping insertion in model container [2019-10-13 22:07:14,923 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:06:57" (2/3) ... [2019-10-13 22:07:14,924 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@386d74d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 10:07:14, skipping insertion in model container [2019-10-13 22:07:14,924 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 10:07:14" (3/3) ... [2019-10-13 22:07:14,926 INFO L109 eAbstractionObserver]: Analyzing ICFG 32_7a_cilled_linux-3.8-rc1-drivers--video--udlfb.ko-main.cil.out.i [2019-10-13 22:07:14,937 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-13 22:07:14,954 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-13 22:07:14,965 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-13 22:07:15,012 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-13 22:07:15,012 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-13 22:07:15,012 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-13 22:07:15,012 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-13 22:07:15,013 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-13 22:07:15,013 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-13 22:07:15,013 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-13 22:07:15,013 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-13 22:07:15,073 INFO L276 IsEmpty]: Start isEmpty. Operand 1369 states. [2019-10-13 22:07:15,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2019-10-13 22:07:15,093 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 22:07:15,094 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] [2019-10-13 22:07:15,097 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 22:07:15,104 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 22:07:15,104 INFO L82 PathProgramCache]: Analyzing trace with hash -431143603, now seen corresponding path program 1 times [2019-10-13 22:07:15,113 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 22:07:15,113 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1075143146] [2019-10-13 22:07:15,114 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:07:15,114 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:07:15,114 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 22:07:15,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 22:07:15,761 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 22:07:15,761 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1075143146] [2019-10-13 22:07:15,762 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 22:07:15,763 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 22:07:15,763 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [658655162] [2019-10-13 22:07:15,767 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 22:07:15,768 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 22:07:15,781 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 22:07:15,782 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 22:07:15,784 INFO L87 Difference]: Start difference. First operand 1369 states. Second operand 3 states. [2019-10-13 22:07:16,742 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 22:07:16,742 INFO L93 Difference]: Finished difference Result 3632 states and 4766 transitions. [2019-10-13 22:07:16,743 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 22:07:16,747 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 30 [2019-10-13 22:07:16,748 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 22:07:16,876 INFO L225 Difference]: With dead ends: 3632 [2019-10-13 22:07:16,876 INFO L226 Difference]: Without dead ends: 2398 [2019-10-13 22:07:16,897 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 [2019-10-13 22:07:16,921 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2398 states. [2019-10-13 22:07:17,117 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2398 to 2394. [2019-10-13 22:07:17,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2394 states. [2019-10-13 22:07:17,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2394 states to 2394 states and 3097 transitions. [2019-10-13 22:07:17,138 INFO L78 Accepts]: Start accepts. Automaton has 2394 states and 3097 transitions. Word has length 30 [2019-10-13 22:07:17,138 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 22:07:17,139 INFO L462 AbstractCegarLoop]: Abstraction has 2394 states and 3097 transitions. [2019-10-13 22:07:17,139 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 22:07:17,139 INFO L276 IsEmpty]: Start isEmpty. Operand 2394 states and 3097 transitions. [2019-10-13 22:07:17,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-10-13 22:07:17,142 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 22:07:17,143 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] [2019-10-13 22:07:17,143 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 22:07:17,143 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 22:07:17,143 INFO L82 PathProgramCache]: Analyzing trace with hash -704472799, now seen corresponding path program 1 times [2019-10-13 22:07:17,144 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 22:07:17,144 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1557093633] [2019-10-13 22:07:17,144 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:07:17,144 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:07:17,144 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 22:07:17,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 22:07:17,387 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 22:07:17,388 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1557093633] [2019-10-13 22:07:17,388 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 22:07:17,388 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 22:07:17,389 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1764601190] [2019-10-13 22:07:17,390 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 22:07:17,390 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 22:07:17,391 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 22:07:17,391 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 22:07:17,391 INFO L87 Difference]: Start difference. First operand 2394 states and 3097 transitions. Second operand 3 states. [2019-10-13 22:07:18,131 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 22:07:18,131 INFO L93 Difference]: Finished difference Result 2396 states and 3098 transitions. [2019-10-13 22:07:18,132 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 22:07:18,132 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 33 [2019-10-13 22:07:18,133 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 22:07:18,147 INFO L225 Difference]: With dead ends: 2396 [2019-10-13 22:07:18,147 INFO L226 Difference]: Without dead ends: 2393 [2019-10-13 22:07:18,149 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 [2019-10-13 22:07:18,153 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2393 states. [2019-10-13 22:07:18,253 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2393 to 2393. [2019-10-13 22:07:18,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2393 states. [2019-10-13 22:07:18,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2393 states to 2393 states and 3095 transitions. [2019-10-13 22:07:18,271 INFO L78 Accepts]: Start accepts. Automaton has 2393 states and 3095 transitions. Word has length 33 [2019-10-13 22:07:18,272 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 22:07:18,273 INFO L462 AbstractCegarLoop]: Abstraction has 2393 states and 3095 transitions. [2019-10-13 22:07:18,273 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 22:07:18,273 INFO L276 IsEmpty]: Start isEmpty. Operand 2393 states and 3095 transitions. [2019-10-13 22:07:18,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-10-13 22:07:18,275 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 22:07:18,275 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] [2019-10-13 22:07:18,275 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 22:07:18,275 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 22:07:18,276 INFO L82 PathProgramCache]: Analyzing trace with hash -364617901, now seen corresponding path program 1 times [2019-10-13 22:07:18,276 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 22:07:18,277 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1863733401] [2019-10-13 22:07:18,277 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:07:18,277 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:07:18,277 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 22:07:18,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 22:07:18,535 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 22:07:18,536 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1863733401] [2019-10-13 22:07:18,536 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 22:07:18,536 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 22:07:18,537 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [957450445] [2019-10-13 22:07:18,537 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 22:07:18,537 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 22:07:18,538 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 22:07:18,538 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 22:07:18,538 INFO L87 Difference]: Start difference. First operand 2393 states and 3095 transitions. Second operand 3 states. [2019-10-13 22:07:19,834 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 22:07:19,835 INFO L93 Difference]: Finished difference Result 2395 states and 3096 transitions. [2019-10-13 22:07:19,835 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 22:07:19,835 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 34 [2019-10-13 22:07:19,836 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 22:07:19,853 INFO L225 Difference]: With dead ends: 2395 [2019-10-13 22:07:19,853 INFO L226 Difference]: Without dead ends: 2392 [2019-10-13 22:07:19,855 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 [2019-10-13 22:07:19,861 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2392 states. [2019-10-13 22:07:19,955 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2392 to 2392. [2019-10-13 22:07:19,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2392 states. [2019-10-13 22:07:19,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2392 states to 2392 states and 3093 transitions. [2019-10-13 22:07:19,971 INFO L78 Accepts]: Start accepts. Automaton has 2392 states and 3093 transitions. Word has length 34 [2019-10-13 22:07:19,971 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 22:07:19,971 INFO L462 AbstractCegarLoop]: Abstraction has 2392 states and 3093 transitions. [2019-10-13 22:07:19,971 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 22:07:19,971 INFO L276 IsEmpty]: Start isEmpty. Operand 2392 states and 3093 transitions. [2019-10-13 22:07:19,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2019-10-13 22:07:19,973 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 22:07:19,974 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] [2019-10-13 22:07:19,974 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 22:07:19,974 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 22:07:19,974 INFO L82 PathProgramCache]: Analyzing trace with hash -1697438838, now seen corresponding path program 1 times [2019-10-13 22:07:19,975 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 22:07:19,975 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [844366617] [2019-10-13 22:07:19,975 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:07:19,975 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:07:19,975 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 22:07:20,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 22:07:20,130 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 22:07:20,131 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [844366617] [2019-10-13 22:07:20,131 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 22:07:20,131 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 22:07:20,132 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1931522840] [2019-10-13 22:07:20,132 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 22:07:20,132 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 22:07:20,133 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 22:07:20,133 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 22:07:20,133 INFO L87 Difference]: Start difference. First operand 2392 states and 3093 transitions. Second operand 3 states. [2019-10-13 22:07:20,514 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 22:07:20,514 INFO L93 Difference]: Finished difference Result 5900 states and 7616 transitions. [2019-10-13 22:07:20,515 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 22:07:20,515 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 38 [2019-10-13 22:07:20,516 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 22:07:20,539 INFO L225 Difference]: With dead ends: 5900 [2019-10-13 22:07:20,539 INFO L226 Difference]: Without dead ends: 3517 [2019-10-13 22:07:20,550 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 [2019-10-13 22:07:20,556 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3517 states. [2019-10-13 22:07:20,713 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3517 to 3481. [2019-10-13 22:07:20,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3481 states. [2019-10-13 22:07:20,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3481 states to 3481 states and 4493 transitions. [2019-10-13 22:07:20,732 INFO L78 Accepts]: Start accepts. Automaton has 3481 states and 4493 transitions. Word has length 38 [2019-10-13 22:07:20,733 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 22:07:20,733 INFO L462 AbstractCegarLoop]: Abstraction has 3481 states and 4493 transitions. [2019-10-13 22:07:20,733 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 22:07:20,733 INFO L276 IsEmpty]: Start isEmpty. Operand 3481 states and 4493 transitions. [2019-10-13 22:07:20,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2019-10-13 22:07:20,735 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 22:07:20,735 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] [2019-10-13 22:07:20,735 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 22:07:20,735 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 22:07:20,736 INFO L82 PathProgramCache]: Analyzing trace with hash 1580954212, now seen corresponding path program 1 times [2019-10-13 22:07:20,736 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 22:07:20,736 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [561985384] [2019-10-13 22:07:20,736 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:07:20,736 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:07:20,736 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 22:07:20,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 22:07:20,922 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 22:07:20,922 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [561985384] [2019-10-13 22:07:20,922 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 22:07:20,922 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 22:07:20,923 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [766984837] [2019-10-13 22:07:20,923 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 22:07:20,923 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 22:07:20,924 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 22:07:20,924 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 22:07:20,924 INFO L87 Difference]: Start difference. First operand 3481 states and 4493 transitions. Second operand 3 states. [2019-10-13 22:07:22,285 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 22:07:22,285 INFO L93 Difference]: Finished difference Result 10377 states and 13631 transitions. [2019-10-13 22:07:22,286 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 22:07:22,286 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 35 [2019-10-13 22:07:22,291 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 22:07:22,337 INFO L225 Difference]: With dead ends: 10377 [2019-10-13 22:07:22,337 INFO L226 Difference]: Without dead ends: 6905 [2019-10-13 22:07:22,356 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 [2019-10-13 22:07:22,367 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6905 states. [2019-10-13 22:07:22,692 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6905 to 6892. [2019-10-13 22:07:22,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6892 states. [2019-10-13 22:07:22,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6892 states to 6892 states and 9021 transitions. [2019-10-13 22:07:22,726 INFO L78 Accepts]: Start accepts. Automaton has 6892 states and 9021 transitions. Word has length 35 [2019-10-13 22:07:22,727 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 22:07:22,727 INFO L462 AbstractCegarLoop]: Abstraction has 6892 states and 9021 transitions. [2019-10-13 22:07:22,727 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 22:07:22,727 INFO L276 IsEmpty]: Start isEmpty. Operand 6892 states and 9021 transitions. [2019-10-13 22:07:22,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2019-10-13 22:07:22,732 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 22:07:22,732 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] [2019-10-13 22:07:22,732 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 22:07:22,733 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 22:07:22,733 INFO L82 PathProgramCache]: Analyzing trace with hash 1764152438, now seen corresponding path program 1 times [2019-10-13 22:07:22,733 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 22:07:22,733 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2033104017] [2019-10-13 22:07:22,733 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:07:22,734 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:07:22,734 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 22:07:22,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 22:07:22,951 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 22:07:22,951 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2033104017] [2019-10-13 22:07:22,951 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 22:07:22,952 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 22:07:22,952 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1097286246] [2019-10-13 22:07:22,953 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 22:07:22,953 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 22:07:22,953 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 22:07:22,953 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 22:07:22,954 INFO L87 Difference]: Start difference. First operand 6892 states and 9021 transitions. Second operand 3 states. [2019-10-13 22:07:24,329 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 22:07:24,329 INFO L93 Difference]: Finished difference Result 6894 states and 9022 transitions. [2019-10-13 22:07:24,330 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 22:07:24,330 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 36 [2019-10-13 22:07:24,331 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 22:07:24,384 INFO L225 Difference]: With dead ends: 6894 [2019-10-13 22:07:24,384 INFO L226 Difference]: Without dead ends: 6891 [2019-10-13 22:07:24,390 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 [2019-10-13 22:07:24,403 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6891 states. [2019-10-13 22:07:24,738 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6891 to 6891. [2019-10-13 22:07:24,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6891 states. [2019-10-13 22:07:24,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6891 states to 6891 states and 9019 transitions. [2019-10-13 22:07:24,768 INFO L78 Accepts]: Start accepts. Automaton has 6891 states and 9019 transitions. Word has length 36 [2019-10-13 22:07:24,769 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 22:07:24,769 INFO L462 AbstractCegarLoop]: Abstraction has 6891 states and 9019 transitions. [2019-10-13 22:07:24,769 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 22:07:24,769 INFO L276 IsEmpty]: Start isEmpty. Operand 6891 states and 9019 transitions. [2019-10-13 22:07:24,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2019-10-13 22:07:24,771 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 22:07:24,771 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] [2019-10-13 22:07:24,771 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 22:07:24,771 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 22:07:24,772 INFO L82 PathProgramCache]: Analyzing trace with hash -1146632281, now seen corresponding path program 1 times [2019-10-13 22:07:24,772 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 22:07:24,772 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [605613142] [2019-10-13 22:07:24,772 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:07:24,772 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:07:24,772 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 22:07:24,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 22:07:24,936 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 22:07:24,937 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [605613142] [2019-10-13 22:07:24,937 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 22:07:24,937 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 22:07:24,937 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1909976778] [2019-10-13 22:07:24,938 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 22:07:24,938 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 22:07:24,938 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 22:07:24,938 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 22:07:24,939 INFO L87 Difference]: Start difference. First operand 6891 states and 9019 transitions. Second operand 3 states. [2019-10-13 22:07:26,271 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 22:07:26,272 INFO L93 Difference]: Finished difference Result 6893 states and 9020 transitions. [2019-10-13 22:07:26,334 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 22:07:26,335 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 37 [2019-10-13 22:07:26,335 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 22:07:26,410 INFO L225 Difference]: With dead ends: 6893 [2019-10-13 22:07:26,410 INFO L226 Difference]: Without dead ends: 6873 [2019-10-13 22:07:26,417 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 [2019-10-13 22:07:26,428 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6873 states. [2019-10-13 22:07:26,819 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6873 to 6873. [2019-10-13 22:07:26,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6873 states. [2019-10-13 22:07:26,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6873 states to 6873 states and 8997 transitions. [2019-10-13 22:07:26,846 INFO L78 Accepts]: Start accepts. Automaton has 6873 states and 8997 transitions. Word has length 37 [2019-10-13 22:07:26,846 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 22:07:26,846 INFO L462 AbstractCegarLoop]: Abstraction has 6873 states and 8997 transitions. [2019-10-13 22:07:26,846 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 22:07:26,846 INFO L276 IsEmpty]: Start isEmpty. Operand 6873 states and 8997 transitions. [2019-10-13 22:07:26,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2019-10-13 22:07:26,854 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 22:07:26,855 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] [2019-10-13 22:07:26,855 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 22:07:26,855 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 22:07:26,855 INFO L82 PathProgramCache]: Analyzing trace with hash 522569893, now seen corresponding path program 1 times [2019-10-13 22:07:26,856 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 22:07:26,856 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [482098354] [2019-10-13 22:07:26,856 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:07:26,856 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:07:26,856 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 22:07:26,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 22:07:27,053 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 22:07:27,054 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [482098354] [2019-10-13 22:07:27,054 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 22:07:27,054 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-13 22:07:27,054 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [579511976] [2019-10-13 22:07:27,056 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-13 22:07:27,056 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 22:07:27,056 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-13 22:07:27,057 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-10-13 22:07:27,057 INFO L87 Difference]: Start difference. First operand 6873 states and 8997 transitions. Second operand 4 states.