java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --abstractinterpretationv2.abstract.domain IntervalDomain --traceabstraction.trace.refinement.strategy TAIPAN --traceabstraction.abstract.interpretation.mode USE_PREDICATES -i ../../../trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--video--fbdev--udlfb.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f4eb214f-m [2019-10-13 20:58:31,995 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-13 20:58:31,999 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-13 20:58:32,014 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-13 20:58:32,014 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-13 20:58:32,015 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-13 20:58:32,017 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-13 20:58:32,019 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-13 20:58:32,020 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-13 20:58:32,021 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-13 20:58:32,022 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-13 20:58:32,024 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-13 20:58:32,024 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-13 20:58:32,025 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-13 20:58:32,026 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-13 20:58:32,027 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-13 20:58:32,028 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-13 20:58:32,029 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-13 20:58:32,031 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-13 20:58:32,034 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-13 20:58:32,035 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-13 20:58:32,039 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-13 20:58:32,040 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-13 20:58:32,041 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-13 20:58:32,047 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-13 20:58:32,047 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-13 20:58:32,047 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-13 20:58:32,048 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-13 20:58:32,049 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-13 20:58:32,050 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-13 20:58:32,050 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-13 20:58:32,053 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-13 20:58:32,054 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-13 20:58:32,055 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-13 20:58:32,058 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-13 20:58:32,059 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-13 20:58:32,060 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-13 20:58:32,060 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-13 20:58:32,061 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-13 20:58:32,063 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-13 20:58:32,065 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-13 20:58:32,066 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 20:58:32,087 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-13 20:58:32,088 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-13 20:58:32,090 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-13 20:58:32,091 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-13 20:58:32,091 INFO L138 SettingsManager]: * Use SBE=true [2019-10-13 20:58:32,091 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-13 20:58:32,091 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-13 20:58:32,091 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-13 20:58:32,092 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-13 20:58:32,092 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-13 20:58:32,093 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-13 20:58:32,093 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-13 20:58:32,093 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-13 20:58:32,094 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-13 20:58:32,094 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-13 20:58:32,094 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-13 20:58:32,094 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-13 20:58:32,095 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-13 20:58:32,095 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-13 20:58:32,095 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-13 20:58:32,095 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-13 20:58:32,095 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 20:58:32,096 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-13 20:58:32,096 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-13 20:58:32,096 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-13 20:58:32,096 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-13 20:58:32,096 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-13 20:58:32,097 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-13 20:58:32,097 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: Abstract domain -> IntervalDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Abstract interpretation Mode -> USE_PREDICATES [2019-10-13 20:58:32,397 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-13 20:58:32,417 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-13 20:58:32,422 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-13 20:58:32,423 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-13 20:58:32,424 INFO L275 PluginConnector]: CDTParser initialized [2019-10-13 20:58:32,425 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--video--fbdev--udlfb.ko-entry_point.cil.out.i [2019-10-13 20:58:32,502 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/28544cdba/52d4728fb84b4a45b3705d3f0b23c310/FLAG833c4462d [2019-10-13 20:58:33,381 INFO L306 CDTParser]: Found 1 translation units. [2019-10-13 20:58:33,383 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--video--fbdev--udlfb.ko-entry_point.cil.out.i [2019-10-13 20:58:33,422 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/28544cdba/52d4728fb84b4a45b3705d3f0b23c310/FLAG833c4462d [2019-10-13 20:58:33,838 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/28544cdba/52d4728fb84b4a45b3705d3f0b23c310 [2019-10-13 20:58:33,849 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-13 20:58:33,850 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-13 20:58:33,852 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-13 20:58:33,852 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-13 20:58:33,857 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-13 20:58:33,858 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 08:58:33" (1/1) ... [2019-10-13 20:58:33,861 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@689a2cd9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:58:33, skipping insertion in model container [2019-10-13 20:58:33,862 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 08:58:33" (1/1) ... [2019-10-13 20:58:33,873 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-13 20:58:34,057 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-13 20:58:36,494 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 20:58:36,542 INFO L188 MainTranslator]: Completed pre-run [2019-10-13 20:58:37,110 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 20:58:37,595 INFO L192 MainTranslator]: Completed translation [2019-10-13 20:58:37,596 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:58:37 WrapperNode [2019-10-13 20:58:37,596 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-13 20:58:37,597 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-13 20:58:37,597 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-13 20:58:37,597 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-13 20:58:37,611 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:58:37" (1/1) ... [2019-10-13 20:58:37,611 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:58:37" (1/1) ... [2019-10-13 20:58:37,713 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:58:37" (1/1) ... [2019-10-13 20:58:37,715 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:58:37" (1/1) ... [2019-10-13 20:58:37,864 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:58:37" (1/1) ... [2019-10-13 20:58:37,897 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:58:37" (1/1) ... [2019-10-13 20:58:37,939 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:58:37" (1/1) ... [2019-10-13 20:58:37,984 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-13 20:58:37,990 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-13 20:58:37,991 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-13 20:58:37,991 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-13 20:58:37,992 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:58:37" (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 20:58:38,067 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-13 20:58:38,068 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-13 20:58:38,068 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2019-10-13 20:58:38,068 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2019-10-13 20:58:38,069 INFO L138 BoogieDeclarations]: Found implementation of procedure __swab16p [2019-10-13 20:58:38,069 INFO L138 BoogieDeclarations]: Found implementation of procedure __cpu_to_be16p [2019-10-13 20:58:38,070 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2019-10-13 20:58:38,070 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2019-10-13 20:58:38,070 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del_init [2019-10-13 20:58:38,071 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2019-10-13 20:58:38,071 INFO L138 BoogieDeclarations]: Found implementation of procedure paravirt_read_tsc [2019-10-13 20:58:38,071 INFO L138 BoogieDeclarations]: Found implementation of procedure prefetchw [2019-10-13 20:58:38,071 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2019-10-13 20:58:38,072 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2019-10-13 20:58:38,072 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_add [2019-10-13 20:58:38,073 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_sub_and_test [2019-10-13 20:58:38,075 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_add_return [2019-10-13 20:58:38,075 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-10-13 20:58:38,075 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-10-13 20:58:38,076 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2019-10-13 20:58:38,076 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2019-10-13 20:58:38,076 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2019-10-13 20:58:38,076 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ptr [2019-10-13 20:58:38,077 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2019-10-13 20:58:38,077 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2019-10-13 20:58:38,077 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2019-10-13 20:58:38,077 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2019-10-13 20:58:38,077 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2019-10-13 20:58:38,077 INFO L138 BoogieDeclarations]: Found implementation of procedure get_cycles [2019-10-13 20:58:38,077 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work [2019-10-13 20:58:38,078 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_delayed_work [2019-10-13 20:58:38,078 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2019-10-13 20:58:38,078 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2019-10-13 20:58:38,078 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_init [2019-10-13 20:58:38,078 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_get [2019-10-13 20:58:38,078 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_sub [2019-10-13 20:58:38,079 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_put [2019-10-13 20:58:38,079 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2019-10-13 20:58:38,079 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2019-10-13 20:58:38,079 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2019-10-13 20:58:38,079 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2019-10-13 20:58:38,079 INFO L138 BoogieDeclarations]: Found implementation of procedure sema_init [2019-10-13 20:58:38,079 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intfdata [2019-10-13 20:58:38,080 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2019-10-13 20:58:38,080 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2019-10-13 20:58:38,080 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_bulk_urb [2019-10-13 20:58:38,080 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2019-10-13 20:58:38,080 INFO L138 BoogieDeclarations]: Found implementation of procedure prefetch_range [2019-10-13 20:58:38,080 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_set_register [2019-10-13 20:58:38,080 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_vidreg_lock [2019-10-13 20:58:38,081 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_vidreg_unlock [2019-10-13 20:58:38,081 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_blanking [2019-10-13 20:58:38,081 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_set_color_depth [2019-10-13 20:58:38,081 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_set_base16bpp [2019-10-13 20:58:38,082 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_set_base8bpp [2019-10-13 20:58:38,082 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_set_register_16 [2019-10-13 20:58:38,082 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_set_register_16be [2019-10-13 20:58:38,082 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_lfsr16 [2019-10-13 20:58:38,082 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_set_register_lfsr16 [2019-10-13 20:58:38,083 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_set_vid_cmds [2019-10-13 20:58:38,083 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_set_video_mode [2019-10-13 20:58:38,083 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_ops_mmap [2019-10-13 20:58:38,083 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_trim_hline [2019-10-13 20:58:38,083 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_compress_hline [2019-10-13 20:58:38,084 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_render_hline [2019-10-13 20:58:38,084 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_handle_damage [2019-10-13 20:58:38,084 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_ops_write [2019-10-13 20:58:38,084 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_ops_copyarea [2019-10-13 20:58:38,084 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_ops_imageblit [2019-10-13 20:58:38,084 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_ops_fillrect [2019-10-13 20:58:38,084 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_dpy_deferred_io [2019-10-13 20:58:38,085 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_get_edid [2019-10-13 20:58:38,085 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_ops_ioctl [2019-10-13 20:58:38,085 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_ops_setcolreg [2019-10-13 20:58:38,086 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_ops_open [2019-10-13 20:58:38,086 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_free [2019-10-13 20:58:38,086 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_release_urb_work [2019-10-13 20:58:38,086 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_free_framebuffer [2019-10-13 20:58:38,086 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_free_framebuffer_work [2019-10-13 20:58:38,087 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_ops_release [2019-10-13 20:58:38,087 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_is_valid_mode [2019-10-13 20:58:38,087 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_var_color_format [2019-10-13 20:58:38,087 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_ops_check_var [2019-10-13 20:58:38,088 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_ops_set_par [2019-10-13 20:58:38,088 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_dummy_render [2019-10-13 20:58:38,088 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_ops_blank [2019-10-13 20:58:38,089 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_realloc_framebuffer [2019-10-13 20:58:38,089 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_setup_modes [2019-10-13 20:58:38,089 INFO L138 BoogieDeclarations]: Found implementation of procedure metrics_bytes_rendered_show [2019-10-13 20:58:38,090 INFO L138 BoogieDeclarations]: Found implementation of procedure metrics_bytes_identical_show [2019-10-13 20:58:38,090 INFO L138 BoogieDeclarations]: Found implementation of procedure metrics_bytes_sent_show [2019-10-13 20:58:38,090 INFO L138 BoogieDeclarations]: Found implementation of procedure metrics_cpu_kcycles_used_show [2019-10-13 20:58:38,090 INFO L138 BoogieDeclarations]: Found implementation of procedure edid_show [2019-10-13 20:58:38,090 INFO L138 BoogieDeclarations]: Found implementation of procedure edid_store [2019-10-13 20:58:38,090 INFO L138 BoogieDeclarations]: Found implementation of procedure metrics_reset_store [2019-10-13 20:58:38,090 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_select_std_channel [2019-10-13 20:58:38,091 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_parse_vendor_descriptor [2019-10-13 20:58:38,091 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_usb_probe [2019-10-13 20:58:38,091 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_init_framebuffer_work [2019-10-13 20:58:38,091 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_usb_disconnect [2019-10-13 20:58:38,091 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_driver_init [2019-10-13 20:58:38,091 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_driver_exit [2019-10-13 20:58:38,091 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_urb_completion [2019-10-13 20:58:38,092 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_free_urb_list [2019-10-13 20:58:38,092 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_alloc_urb_list [2019-10-13 20:58:38,092 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_get_urb [2019-10-13 20:58:38,092 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_submit_urb [2019-10-13 20:58:38,092 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_bin_attribute_5 [2019-10-13 20:58:38,092 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_work_3 [2019-10-13 20:58:38,093 INFO L138 BoogieDeclarations]: Found implementation of procedure work_init_3 [2019-10-13 20:58:38,093 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_work_1 [2019-10-13 20:58:38,093 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_work_3 [2019-10-13 20:58:38,093 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_work_2 [2019-10-13 20:58:38,093 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_work_1 [2019-10-13 20:58:38,094 INFO L138 BoogieDeclarations]: Found implementation of procedure invoke_work_3 [2019-10-13 20:58:38,094 INFO L138 BoogieDeclarations]: Found implementation of procedure work_init_2 [2019-10-13 20:58:38,094 INFO L138 BoogieDeclarations]: Found implementation of procedure work_init_1 [2019-10-13 20:58:38,094 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_driver_4 [2019-10-13 20:58:38,094 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_all_2 [2019-10-13 20:58:38,094 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_all_1 [2019-10-13 20:58:38,095 INFO L138 BoogieDeclarations]: Found implementation of procedure invoke_work_1 [2019-10-13 20:58:38,095 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_2 [2019-10-13 20:58:38,095 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_3 [2019-10-13 20:58:38,095 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_all_3 [2019-10-13 20:58:38,096 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_1 [2019-10-13 20:58:38,096 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_work_2 [2019-10-13 20:58:38,096 INFO L138 BoogieDeclarations]: Found implementation of procedure invoke_work_2 [2019-10-13 20:58:38,097 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_fb_ops_6 [2019-10-13 20:58:38,097 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-13 20:58:38,097 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_queue_work_on_5 [2019-10-13 20:58:38,097 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_queue_delayed_work_on_6 [2019-10-13 20:58:38,098 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_queue_work_on_7 [2019-10-13 20:58:38,098 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_flush_workqueue_8 [2019-10-13 20:58:38,098 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_queue_delayed_work_on_9 [2019-10-13 20:58:38,098 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_10 [2019-10-13 20:58:38,098 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_11 [2019-10-13 20:58:38,099 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_12 [2019-10-13 20:58:38,102 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_13 [2019-10-13 20:58:38,103 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_14 [2019-10-13 20:58:38,103 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_15 [2019-10-13 20:58:38,104 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_16 [2019-10-13 20:58:38,104 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_17 [2019-10-13 20:58:38,104 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_18 [2019-10-13 20:58:38,105 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_19 [2019-10-13 20:58:38,111 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_20 [2019-10-13 20:58:38,112 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_21 [2019-10-13 20:58:38,112 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_register_driver_22 [2019-10-13 20:58:38,112 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_deregister_23 [2019-10-13 20:58:38,112 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2019-10-13 20:58:38,112 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int_negative [2019-10-13 20:58:38,113 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2019-10-13 20:58:38,113 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2019-10-13 20:58:38,113 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2019-10-13 20:58:38,113 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2019-10-13 20:58:38,113 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_i_mutex_of_inode [2019-10-13 20:58:38,113 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_i_mutex_of_inode [2019-10-13 20:58:38,113 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_i_mutex_of_inode [2019-10-13 20:58:38,114 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_i_mutex_of_inode [2019-10-13 20:58:38,114 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_i_mutex_of_inode [2019-10-13 20:58:38,114 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_i_mutex_of_inode [2019-10-13 20:58:38,114 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_i_mutex_of_inode [2019-10-13 20:58:38,114 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_i_mutex_of_inode [2019-10-13 20:58:38,114 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_trylock_device_i_mutex_of_inode [2019-10-13 20:58:38,115 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_for_reset_i_mutex_of_inode [2019-10-13 20:58:38,115 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_unlock_device_i_mutex_of_inode [2019-10-13 20:58:38,115 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_lock [2019-10-13 20:58:38,115 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_lock [2019-10-13 20:58:38,115 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock [2019-10-13 20:58:38,115 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_lock [2019-10-13 20:58:38,115 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_lock [2019-10-13 20:58:38,115 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_lock [2019-10-13 20:58:38,116 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock [2019-10-13 20:58:38,116 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_lock [2019-10-13 20:58:38,116 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_trylock_device_lock [2019-10-13 20:58:38,116 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_for_reset_lock [2019-10-13 20:58:38,116 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_unlock_device_lock [2019-10-13 20:58:38,116 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_lock_of_fb_info [2019-10-13 20:58:38,116 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_lock_of_fb_info [2019-10-13 20:58:38,117 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock_of_fb_info [2019-10-13 20:58:38,117 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_lock_of_fb_info [2019-10-13 20:58:38,117 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_lock_of_fb_info [2019-10-13 20:58:38,117 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_lock_of_fb_info [2019-10-13 20:58:38,117 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock_of_fb_info [2019-10-13 20:58:38,117 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_lock_of_fb_info [2019-10-13 20:58:38,117 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_trylock_device_lock_of_fb_info [2019-10-13 20:58:38,118 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_for_reset_lock_of_fb_info [2019-10-13 20:58:38,118 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_unlock_device_lock_of_fb_info [2019-10-13 20:58:38,118 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_mutex_of_device [2019-10-13 20:58:38,118 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_mutex_of_device [2019-10-13 20:58:38,118 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mutex_of_device [2019-10-13 20:58:38,118 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_mutex_of_device [2019-10-13 20:58:38,119 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2019-10-13 20:58:38,119 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_mutex_of_device [2019-10-13 20:58:38,119 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex_of_device [2019-10-13 20:58:38,119 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_mutex_of_device [2019-10-13 20:58:38,119 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_trylock_device_mutex_of_device [2019-10-13 20:58:38,119 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_for_reset_mutex_of_device [2019-10-13 20:58:38,119 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_unlock_device_mutex_of_device [2019-10-13 20:58:38,120 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_update_lock_of_backlight_device [2019-10-13 20:58:38,120 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_update_lock_of_backlight_device [2019-10-13 20:58:38,120 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_update_lock_of_backlight_device [2019-10-13 20:58:38,120 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_update_lock_of_backlight_device [2019-10-13 20:58:38,120 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_update_lock_of_backlight_device [2019-10-13 20:58:38,120 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_update_lock_of_backlight_device [2019-10-13 20:58:38,120 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_update_lock_of_backlight_device [2019-10-13 20:58:38,121 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_update_lock_of_backlight_device [2019-10-13 20:58:38,121 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_trylock_device_update_lock_of_backlight_device [2019-10-13 20:58:38,121 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_for_reset_update_lock_of_backlight_device [2019-10-13 20:58:38,121 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_unlock_device_update_lock_of_backlight_device [2019-10-13 20:58:38,121 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-10-13 20:58:38,121 INFO L138 BoogieDeclarations]: Found implementation of procedure __copy_from_user_overflow [2019-10-13 20:58:38,122 INFO L138 BoogieDeclarations]: Found implementation of procedure __copy_to_user_overflow [2019-10-13 20:58:38,122 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2019-10-13 20:58:38,122 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2019-10-13 20:58:38,122 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2019-10-13 20:58:38,122 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_del_entry [2019-10-13 20:58:38,122 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_fault [2019-10-13 20:58:38,122 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2019-10-13 20:58:38,122 INFO L138 BoogieDeclarations]: Found implementation of procedure __usb_get_extra_descriptor [2019-10-13 20:58:38,123 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2019-10-13 20:58:38,123 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2019-10-13 20:58:38,123 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2019-10-13 20:58:38,123 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irqrestore [2019-10-13 20:58:38,123 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2019-10-13 20:58:38,123 INFO L138 BoogieDeclarations]: Found implementation of procedure device_create_bin_file [2019-10-13 20:58:38,123 INFO L138 BoogieDeclarations]: Found implementation of procedure device_create_file [2019-10-13 20:58:38,124 INFO L138 BoogieDeclarations]: Found implementation of procedure device_remove_bin_file [2019-10-13 20:58:38,124 INFO L138 BoogieDeclarations]: Found implementation of procedure device_remove_file [2019-10-13 20:58:38,124 INFO L138 BoogieDeclarations]: Found implementation of procedure down_interruptible [2019-10-13 20:58:38,124 INFO L138 BoogieDeclarations]: Found implementation of procedure down_timeout [2019-10-13 20:58:38,124 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_add_videomode [2019-10-13 20:58:38,124 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_alloc_cmap [2019-10-13 20:58:38,124 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_dealloc_cmap [2019-10-13 20:58:38,124 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_deferred_io_cleanup [2019-10-13 20:58:38,125 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_deferred_io_init [2019-10-13 20:58:38,125 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_destroy_modedb [2019-10-13 20:58:38,125 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_destroy_modelist [2019-10-13 20:58:38,125 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_edid_to_monspecs [2019-10-13 20:58:38,125 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_find_best_display [2019-10-13 20:58:38,125 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_find_nearest_mode [2019-10-13 20:58:38,125 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_sys_read [2019-10-13 20:58:38,125 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_sys_write [2019-10-13 20:58:38,126 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_var_to_videomode [2019-10-13 20:58:38,126 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_videomode_to_var [2019-10-13 20:58:38,126 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_workqueue [2019-10-13 20:58:38,126 INFO L138 BoogieDeclarations]: Found implementation of procedure framebuffer_alloc [2019-10-13 20:58:38,126 INFO L138 BoogieDeclarations]: Found implementation of procedure framebuffer_release [2019-10-13 20:58:38,126 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2019-10-13 20:58:38,126 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-10-13 20:58:38,127 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_probe_5 [2019-10-13 20:58:38,127 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_probe_6 [2019-10-13 20:58:38,127 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_5 [2019-10-13 20:58:38,127 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_6 [2019-10-13 20:58:38,127 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2019-10-13 20:58:38,127 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2019-10-13 20:58:38,127 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_trylock [2019-10-13 20:58:38,128 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2019-10-13 20:58:38,128 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2019-10-13 20:58:38,128 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work_on [2019-10-13 20:58:38,128 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2019-10-13 20:58:38,128 INFO L138 BoogieDeclarations]: Found implementation of procedure register_framebuffer [2019-10-13 20:58:38,128 INFO L138 BoogieDeclarations]: Found implementation of procedure remap_pfn_range [2019-10-13 20:58:38,128 INFO L138 BoogieDeclarations]: Found implementation of procedure sys_copyarea [2019-10-13 20:58:38,129 INFO L138 BoogieDeclarations]: Found implementation of procedure sys_fillrect [2019-10-13 20:58:38,133 INFO L138 BoogieDeclarations]: Found implementation of procedure sys_imageblit [2019-10-13 20:58:38,133 INFO L138 BoogieDeclarations]: Found implementation of procedure unlink_framebuffer [2019-10-13 20:58:38,133 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_framebuffer [2019-10-13 20:58:38,133 INFO L138 BoogieDeclarations]: Found implementation of procedure up [2019-10-13 20:58:38,134 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_coherent [2019-10-13 20:58:38,134 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2019-10-13 20:58:38,134 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2019-10-13 20:58:38,134 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_deregister [2019-10-13 20:58:38,137 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_coherent [2019-10-13 20:58:38,137 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2019-10-13 20:58:38,138 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_descriptor [2019-10-13 20:58:38,138 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register_driver [2019-10-13 20:58:38,138 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2019-10-13 20:58:38,138 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2019-10-13 20:58:38,138 INFO L138 BoogieDeclarations]: Found implementation of procedure vmalloc [2019-10-13 20:58:38,138 INFO L138 BoogieDeclarations]: Found implementation of procedure vmalloc_to_pfn [2019-10-13 20:58:38,138 INFO L138 BoogieDeclarations]: Found implementation of procedure vzalloc [2019-10-13 20:58:38,138 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2019-10-13 20:58:38,139 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-10-13 20:58:38,139 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-10-13 20:58:38,139 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-10-13 20:58:38,139 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-10-13 20:58:38,139 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-10-13 20:58:38,139 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-13 20:58:38,139 INFO L130 BoogieDeclarations]: Found specification of procedure __builtin_prefetch [2019-10-13 20:58:38,139 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2019-10-13 20:58:38,140 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2019-10-13 20:58:38,140 INFO L130 BoogieDeclarations]: Found specification of procedure __swab16p [2019-10-13 20:58:38,140 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-13 20:58:38,140 INFO L130 BoogieDeclarations]: Found specification of procedure __cpu_to_be16p [2019-10-13 20:58:38,140 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2019-10-13 20:58:38,140 INFO L130 BoogieDeclarations]: Found specification of procedure __might_fault [2019-10-13 20:58:38,140 INFO L130 BoogieDeclarations]: Found specification of procedure snprintf [2019-10-13 20:58:38,140 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2019-10-13 20:58:38,141 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-13 20:58:38,141 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2019-10-13 20:58:38,141 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2019-10-13 20:58:38,141 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-13 20:58:38,141 INFO L130 BoogieDeclarations]: Found specification of procedure __list_del_entry [2019-10-13 20:58:38,141 INFO L130 BoogieDeclarations]: Found specification of procedure list_del_init [2019-10-13 20:58:38,141 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2019-10-13 20:58:38,141 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-10-13 20:58:38,141 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-10-13 20:58:38,142 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2019-10-13 20:58:38,142 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2019-10-13 20:58:38,142 INFO L130 BoogieDeclarations]: Found specification of procedure paravirt_read_tsc [2019-10-13 20:58:38,142 INFO L130 BoogieDeclarations]: Found specification of procedure prefetchw [2019-10-13 20:58:38,142 INFO L130 BoogieDeclarations]: Found specification of procedure __xadd_wrong_size [2019-10-13 20:58:38,142 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2019-10-13 20:58:38,142 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2019-10-13 20:58:38,142 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-13 20:58:38,142 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_add [2019-10-13 20:58:38,143 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_sub_and_test [2019-10-13 20:58:38,143 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_add_return [2019-10-13 20:58:38,143 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2019-10-13 20:58:38,143 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_trylock [2019-10-13 20:58:38,143 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_13 [2019-10-13 20:58:38,143 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2019-10-13 20:58:38,143 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_11 [2019-10-13 20:58:38,143 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_14 [2019-10-13 20:58:38,144 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_15 [2019-10-13 20:58:38,144 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_18 [2019-10-13 20:58:38,144 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_19 [2019-10-13 20:58:38,144 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_21 [2019-10-13 20:58:38,144 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-13 20:58:38,144 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-10-13 20:58:38,144 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-13 20:58:38,144 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-10-13 20:58:38,144 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-10-13 20:58:38,145 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-10-13 20:58:38,145 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-10-13 20:58:38,145 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-13 20:58:38,145 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-10-13 20:58:38,145 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-10-13 20:58:38,145 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2019-10-13 20:58:38,145 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2019-10-13 20:58:38,145 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-10-13 20:58:38,145 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2019-10-13 20:58:38,146 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ptr [2019-10-13 20:58:38,146 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2019-10-13 20:58:38,146 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2019-10-13 20:58:38,146 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2019-10-13 20:58:38,146 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_10 [2019-10-13 20:58:38,146 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_12 [2019-10-13 20:58:38,146 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_16 [2019-10-13 20:58:38,146 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_17 [2019-10-13 20:58:38,147 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_20 [2019-10-13 20:58:38,147 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_i_mutex_of_inode [2019-10-13 20:58:38,147 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_i_mutex_of_inode [2019-10-13 20:58:38,147 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock [2019-10-13 20:58:38,147 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock [2019-10-13 20:58:38,147 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock_of_fb_info [2019-10-13 20:58:38,147 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock_of_fb_info [2019-10-13 20:58:38,147 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mutex_of_device [2019-10-13 20:58:38,147 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_mutex_of_device [2019-10-13 20:58:38,148 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex_of_device [2019-10-13 20:58:38,148 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_update_lock_of_backlight_device [2019-10-13 20:58:38,148 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_update_lock_of_backlight_device [2019-10-13 20:58:38,148 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2019-10-13 20:58:38,148 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2019-10-13 20:58:38,148 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore [2019-10-13 20:58:38,148 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2019-10-13 20:58:38,148 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2019-10-13 20:58:38,148 INFO L130 BoogieDeclarations]: Found specification of procedure get_cycles [2019-10-13 20:58:38,149 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2019-10-13 20:58:38,149 INFO L130 BoogieDeclarations]: Found specification of procedure delayed_work_timer_fn [2019-10-13 20:58:38,149 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2019-10-13 20:58:38,149 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2019-10-13 20:58:38,149 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_queue_work_on_5 [2019-10-13 20:58:38,149 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_queue_work_on_7 [2019-10-13 20:58:38,149 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work_on [2019-10-13 20:58:38,149 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_queue_delayed_work_on_6 [2019-10-13 20:58:38,149 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_queue_delayed_work_on_9 [2019-10-13 20:58:38,150 INFO L130 BoogieDeclarations]: Found specification of procedure flush_workqueue [2019-10-13 20:58:38,150 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_flush_workqueue_8 [2019-10-13 20:58:38,150 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work [2019-10-13 20:58:38,150 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_delayed_work [2019-10-13 20:58:38,150 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-10-13 20:58:38,150 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2019-10-13 20:58:38,150 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2019-10-13 20:58:38,150 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2019-10-13 20:58:38,151 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_bin_attribute_5 [2019-10-13 20:58:38,151 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_work_3 [2019-10-13 20:58:38,151 INFO L130 BoogieDeclarations]: Found specification of procedure work_init_3 [2019-10-13 20:58:38,151 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_work_1 [2019-10-13 20:58:38,151 INFO L130 BoogieDeclarations]: Found specification of procedure disable_work_3 [2019-10-13 20:58:38,151 INFO L130 BoogieDeclarations]: Found specification of procedure disable_work_2 [2019-10-13 20:58:38,151 INFO L130 BoogieDeclarations]: Found specification of procedure disable_work_1 [2019-10-13 20:58:38,152 INFO L130 BoogieDeclarations]: Found specification of procedure invoke_work_3 [2019-10-13 20:58:38,152 INFO L130 BoogieDeclarations]: Found specification of procedure work_init_2 [2019-10-13 20:58:38,153 INFO L130 BoogieDeclarations]: Found specification of procedure work_init_1 [2019-10-13 20:58:38,153 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_driver_4 [2019-10-13 20:58:38,153 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_all_2 [2019-10-13 20:58:38,154 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_all_1 [2019-10-13 20:58:38,154 INFO L130 BoogieDeclarations]: Found specification of procedure invoke_work_1 [2019-10-13 20:58:38,154 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_2 [2019-10-13 20:58:38,154 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_3 [2019-10-13 20:58:38,154 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_all_3 [2019-10-13 20:58:38,155 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_1 [2019-10-13 20:58:38,155 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_work_2 [2019-10-13 20:58:38,155 INFO L130 BoogieDeclarations]: Found specification of procedure invoke_work_2 [2019-10-13 20:58:38,155 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_fb_ops_6 [2019-10-13 20:58:38,155 INFO L130 BoogieDeclarations]: Found specification of procedure kref_init [2019-10-13 20:58:38,155 INFO L130 BoogieDeclarations]: Found specification of procedure kref_get [2019-10-13 20:58:38,155 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-13 20:58:38,155 INFO L130 BoogieDeclarations]: Found specification of procedure kref_sub [2019-10-13 20:58:38,155 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2019-10-13 20:58:38,156 INFO L130 BoogieDeclarations]: Found specification of procedure kref_put [2019-10-13 20:58:38,156 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2019-10-13 20:58:38,156 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2019-10-13 20:58:38,156 INFO L130 BoogieDeclarations]: Found specification of procedure __copy_from_user_overflow [2019-10-13 20:58:38,156 INFO L130 BoogieDeclarations]: Found specification of procedure __copy_to_user_overflow [2019-10-13 20:58:38,156 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2019-10-13 20:58:38,156 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2019-10-13 20:58:38,156 INFO L130 BoogieDeclarations]: Found specification of procedure device_create_file [2019-10-13 20:58:38,157 INFO L130 BoogieDeclarations]: Found specification of procedure device_remove_file [2019-10-13 20:58:38,157 INFO L130 BoogieDeclarations]: Found specification of procedure device_create_bin_file [2019-10-13 20:58:38,157 INFO L130 BoogieDeclarations]: Found specification of procedure device_remove_bin_file [2019-10-13 20:58:38,157 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2019-10-13 20:58:38,157 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2019-10-13 20:58:38,157 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2019-10-13 20:58:38,157 INFO L130 BoogieDeclarations]: Found specification of procedure sema_init [2019-10-13 20:58:38,157 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-13 20:58:38,158 INFO L130 BoogieDeclarations]: Found specification of procedure down_interruptible [2019-10-13 20:58:38,158 INFO L130 BoogieDeclarations]: Found specification of procedure down_timeout [2019-10-13 20:58:38,158 INFO L130 BoogieDeclarations]: Found specification of procedure up [2019-10-13 20:58:38,158 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intfdata [2019-10-13 20:58:38,158 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2019-10-13 20:58:38,158 INFO L130 BoogieDeclarations]: Found specification of procedure __usb_get_extra_descriptor [2019-10-13 20:58:38,158 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2019-10-13 20:58:38,158 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register_driver [2019-10-13 20:58:38,158 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_register_driver_22 [2019-10-13 20:58:38,159 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister [2019-10-13 20:58:38,159 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_deregister_23 [2019-10-13 20:58:38,159 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_bulk_urb [2019-10-13 20:58:38,159 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2019-10-13 20:58:38,159 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2019-10-13 20:58:38,159 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2019-10-13 20:58:38,159 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_coherent [2019-10-13 20:58:38,159 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_coherent [2019-10-13 20:58:38,159 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2019-10-13 20:58:38,160 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_descriptor [2019-10-13 20:58:38,160 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2019-10-13 20:58:38,160 INFO L130 BoogieDeclarations]: Found specification of procedure vmalloc_to_pfn [2019-10-13 20:58:38,160 INFO L130 BoogieDeclarations]: Found specification of procedure remap_pfn_range [2019-10-13 20:58:38,160 INFO L130 BoogieDeclarations]: Found specification of procedure sys_fillrect [2019-10-13 20:58:38,160 INFO L130 BoogieDeclarations]: Found specification of procedure sys_copyarea [2019-10-13 20:58:38,160 INFO L130 BoogieDeclarations]: Found specification of procedure sys_imageblit [2019-10-13 20:58:38,160 INFO L130 BoogieDeclarations]: Found specification of procedure fb_sys_read [2019-10-13 20:58:38,161 INFO L130 BoogieDeclarations]: Found specification of procedure fb_sys_write [2019-10-13 20:58:38,161 INFO L130 BoogieDeclarations]: Found specification of procedure register_framebuffer [2019-10-13 20:58:38,161 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_framebuffer [2019-10-13 20:58:38,161 INFO L130 BoogieDeclarations]: Found specification of procedure unlink_framebuffer [2019-10-13 20:58:38,161 INFO L130 BoogieDeclarations]: Found specification of procedure fb_deferred_io_init [2019-10-13 20:58:38,161 INFO L130 BoogieDeclarations]: Found specification of procedure fb_deferred_io_cleanup [2019-10-13 20:58:38,161 INFO L130 BoogieDeclarations]: Found specification of procedure framebuffer_alloc [2019-10-13 20:58:38,161 INFO L130 BoogieDeclarations]: Found specification of procedure framebuffer_release [2019-10-13 20:58:38,161 INFO L130 BoogieDeclarations]: Found specification of procedure fb_edid_to_monspecs [2019-10-13 20:58:38,162 INFO L130 BoogieDeclarations]: Found specification of procedure fb_destroy_modedb [2019-10-13 20:58:38,162 INFO L130 BoogieDeclarations]: Found specification of procedure fb_var_to_videomode [2019-10-13 20:58:38,162 INFO L130 BoogieDeclarations]: Found specification of procedure fb_videomode_to_var [2019-10-13 20:58:38,162 INFO L130 BoogieDeclarations]: Found specification of procedure fb_add_videomode [2019-10-13 20:58:38,162 INFO L130 BoogieDeclarations]: Found specification of procedure fb_find_nearest_mode [2019-10-13 20:58:38,162 INFO L130 BoogieDeclarations]: Found specification of procedure fb_destroy_modelist [2019-10-13 20:58:38,162 INFO L130 BoogieDeclarations]: Found specification of procedure fb_find_best_display [2019-10-13 20:58:38,162 INFO L130 BoogieDeclarations]: Found specification of procedure fb_alloc_cmap [2019-10-13 20:58:38,163 INFO L130 BoogieDeclarations]: Found specification of procedure fb_dealloc_cmap [2019-10-13 20:58:38,163 INFO L130 BoogieDeclarations]: Found specification of procedure vmalloc [2019-10-13 20:58:38,163 INFO L130 BoogieDeclarations]: Found specification of procedure vzalloc [2019-10-13 20:58:38,163 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2019-10-13 20:58:38,163 INFO L130 BoogieDeclarations]: Found specification of procedure prefetch_range [2019-10-13 20:58:38,163 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_urb_completion [2019-10-13 20:58:38,163 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_get_urb [2019-10-13 20:58:38,163 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_submit_urb [2019-10-13 20:58:38,164 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_alloc_urb_list [2019-10-13 20:58:38,164 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_free_urb_list [2019-10-13 20:58:38,164 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_set_register [2019-10-13 20:58:38,164 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_vidreg_lock [2019-10-13 20:58:38,164 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_vidreg_unlock [2019-10-13 20:58:38,164 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_blanking [2019-10-13 20:58:38,164 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_set_color_depth [2019-10-13 20:58:38,164 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_set_base16bpp [2019-10-13 20:58:38,165 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_set_base8bpp [2019-10-13 20:58:38,165 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_set_register_16 [2019-10-13 20:58:38,165 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_set_register_16be [2019-10-13 20:58:38,165 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_lfsr16 [2019-10-13 20:58:38,165 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_set_register_lfsr16 [2019-10-13 20:58:38,165 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_set_vid_cmds [2019-10-13 20:58:38,165 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_set_video_mode [2019-10-13 20:58:38,165 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_ops_mmap [2019-10-13 20:58:38,165 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_trim_hline [2019-10-13 20:58:38,166 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_compress_hline [2019-10-13 20:58:38,166 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_render_hline [2019-10-13 20:58:38,166 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-10-13 20:58:38,166 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_handle_damage [2019-10-13 20:58:38,166 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_ops_write [2019-10-13 20:58:38,166 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_ops_copyarea [2019-10-13 20:58:38,166 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_ops_imageblit [2019-10-13 20:58:38,166 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_ops_fillrect [2019-10-13 20:58:38,167 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_dpy_deferred_io [2019-10-13 20:58:38,167 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_get_edid [2019-10-13 20:58:38,167 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_ops_ioctl [2019-10-13 20:58:38,167 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_ops_setcolreg [2019-10-13 20:58:38,167 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_ops_open [2019-10-13 20:58:38,167 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_free [2019-10-13 20:58:38,167 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_release_urb_work [2019-10-13 20:58:38,167 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_free_framebuffer [2019-10-13 20:58:38,167 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_free_framebuffer_work [2019-10-13 20:58:38,168 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_ops_release [2019-10-13 20:58:38,168 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_is_valid_mode [2019-10-13 20:58:38,168 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_var_color_format [2019-10-13 20:58:38,168 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_ops_check_var [2019-10-13 20:58:38,168 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_ops_set_par [2019-10-13 20:58:38,168 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_dummy_render [2019-10-13 20:58:38,168 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_ops_blank [2019-10-13 20:58:38,168 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_realloc_framebuffer [2019-10-13 20:58:38,169 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_setup_modes [2019-10-13 20:58:38,169 INFO L130 BoogieDeclarations]: Found specification of procedure metrics_bytes_rendered_show [2019-10-13 20:58:38,169 INFO L130 BoogieDeclarations]: Found specification of procedure metrics_bytes_identical_show [2019-10-13 20:58:38,169 INFO L130 BoogieDeclarations]: Found specification of procedure metrics_bytes_sent_show [2019-10-13 20:58:38,169 INFO L130 BoogieDeclarations]: Found specification of procedure metrics_cpu_kcycles_used_show [2019-10-13 20:58:38,169 INFO L130 BoogieDeclarations]: Found specification of procedure edid_show [2019-10-13 20:58:38,169 INFO L130 BoogieDeclarations]: Found specification of procedure edid_store [2019-10-13 20:58:38,169 INFO L130 BoogieDeclarations]: Found specification of procedure metrics_reset_store [2019-10-13 20:58:38,173 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_select_std_channel [2019-10-13 20:58:38,173 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_parse_vendor_descriptor [2019-10-13 20:58:38,173 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_init_framebuffer_work [2019-10-13 20:58:38,173 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_usb_probe [2019-10-13 20:58:38,173 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_usb_disconnect [2019-10-13 20:58:38,173 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_driver_init [2019-10-13 20:58:38,174 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_driver_exit [2019-10-13 20:58:38,174 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_6 [2019-10-13 20:58:38,174 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_probe_5 [2019-10-13 20:58:38,174 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_5 [2019-10-13 20:58:38,174 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-10-13 20:58:38,174 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-10-13 20:58:38,174 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_probe_6 [2019-10-13 20:58:38,174 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-13 20:58:38,175 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2019-10-13 20:58:38,175 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int_negative [2019-10-13 20:58:38,175 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2019-10-13 20:58:38,175 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2019-10-13 20:58:38,175 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2019-10-13 20:58:38,175 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2019-10-13 20:58:38,175 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_i_mutex_of_inode [2019-10-13 20:58:38,175 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_i_mutex_of_inode [2019-10-13 20:58:38,176 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_i_mutex_of_inode [2019-10-13 20:58:38,176 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_i_mutex_of_inode [2019-10-13 20:58:38,176 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_i_mutex_of_inode [2019-10-13 20:58:38,176 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_i_mutex_of_inode [2019-10-13 20:58:38,176 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_trylock_device_i_mutex_of_inode [2019-10-13 20:58:38,176 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_for_reset_i_mutex_of_inode [2019-10-13 20:58:38,176 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_unlock_device_i_mutex_of_inode [2019-10-13 20:58:38,176 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_lock [2019-10-13 20:58:38,176 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_lock [2019-10-13 20:58:38,177 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_lock [2019-10-13 20:58:38,177 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_lock [2019-10-13 20:58:38,177 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_lock [2019-10-13 20:58:38,177 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_lock [2019-10-13 20:58:38,177 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_trylock_device_lock [2019-10-13 20:58:38,177 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_for_reset_lock [2019-10-13 20:58:38,177 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_unlock_device_lock [2019-10-13 20:58:38,177 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_lock_of_fb_info [2019-10-13 20:58:38,178 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_lock_of_fb_info [2019-10-13 20:58:38,178 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_lock_of_fb_info [2019-10-13 20:58:38,178 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_lock_of_fb_info [2019-10-13 20:58:38,178 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_lock_of_fb_info [2019-10-13 20:58:38,178 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_lock_of_fb_info [2019-10-13 20:58:38,178 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_trylock_device_lock_of_fb_info [2019-10-13 20:58:38,178 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_for_reset_lock_of_fb_info [2019-10-13 20:58:38,178 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_unlock_device_lock_of_fb_info [2019-10-13 20:58:38,178 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_mutex_of_device [2019-10-13 20:58:38,179 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_mutex_of_device [2019-10-13 20:58:38,179 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2019-10-13 20:58:38,179 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_mutex_of_device [2019-10-13 20:58:38,179 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_mutex_of_device [2019-10-13 20:58:38,179 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_trylock_device_mutex_of_device [2019-10-13 20:58:38,179 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_for_reset_mutex_of_device [2019-10-13 20:58:38,179 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_unlock_device_mutex_of_device [2019-10-13 20:58:38,179 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_update_lock_of_backlight_device [2019-10-13 20:58:38,180 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_update_lock_of_backlight_device [2019-10-13 20:58:38,180 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_update_lock_of_backlight_device [2019-10-13 20:58:38,180 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_update_lock_of_backlight_device [2019-10-13 20:58:38,180 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_update_lock_of_backlight_device [2019-10-13 20:58:38,180 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_update_lock_of_backlight_device [2019-10-13 20:58:38,180 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_trylock_device_update_lock_of_backlight_device [2019-10-13 20:58:38,180 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_for_reset_update_lock_of_backlight_device [2019-10-13 20:58:38,180 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_unlock_device_update_lock_of_backlight_device [2019-10-13 20:58:38,181 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-10-13 20:58:38,181 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2019-10-13 20:58:38,181 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-10-13 20:58:38,181 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-13 20:58:38,181 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-13 20:58:38,181 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-13 20:58:38,181 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2019-10-13 20:58:38,181 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-10-13 20:58:38,182 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-13 20:58:38,182 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-10-13 20:58:38,182 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-10-13 20:58:38,182 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2019-10-13 20:58:40,399 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2019-10-13 20:58:52,207 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-13 20:58:52,208 INFO L284 CfgBuilder]: Removed 0 assume(true) statements. [2019-10-13 20:58:52,211 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 08:58:52 BoogieIcfgContainer [2019-10-13 20:58:52,212 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-13 20:58:52,214 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-13 20:58:52,214 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-13 20:58:52,218 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-13 20:58:52,219 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 08:58:33" (1/3) ... [2019-10-13 20:58:52,220 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c22c635 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 08:58:52, skipping insertion in model container [2019-10-13 20:58:52,220 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:58:37" (2/3) ... [2019-10-13 20:58:52,221 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c22c635 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 08:58:52, skipping insertion in model container [2019-10-13 20:58:52,221 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 08:58:52" (3/3) ... [2019-10-13 20:58:52,223 INFO L109 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-32_7a-drivers--video--fbdev--udlfb.ko-entry_point.cil.out.i [2019-10-13 20:58:52,237 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-13 20:58:52,269 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-13 20:58:52,292 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-13 20:58:52,346 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-13 20:58:52,347 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-13 20:58:52,347 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-13 20:58:52,347 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-13 20:58:52,347 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-13 20:58:52,347 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-13 20:58:52,348 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-13 20:58:52,348 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-13 20:58:52,442 INFO L276 IsEmpty]: Start isEmpty. Operand 2082 states. [2019-10-13 20:58:52,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 346 [2019-10-13 20:58:52,496 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 20:58:52,498 INFO L380 BasicCegarLoop]: trace histogram [16, 16, 16, 16, 16, 16, 16, 16, 12, 12, 12, 12, 12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:58:52,502 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 20:58:52,511 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 20:58:52,512 INFO L82 PathProgramCache]: Analyzing trace with hash -787850876, now seen corresponding path program 1 times [2019-10-13 20:58:52,527 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 20:58:52,528 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [514173527] [2019-10-13 20:58:52,528 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:58:52,529 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:58:52,529 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 20:58:53,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 20:58:54,021 INFO L134 CoverageAnalysis]: Checked inductivity of 1608 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1608 trivial. 0 not checked. [2019-10-13 20:58:54,022 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [514173527] [2019-10-13 20:58:54,024 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 20:58:54,024 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 20:58:54,025 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1230614659] [2019-10-13 20:58:54,033 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 20:58:54,035 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 20:58:54,048 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 20:58:54,049 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 20:58:54,051 INFO L87 Difference]: Start difference. First operand 2082 states. Second operand 3 states. [2019-10-13 20:58:55,727 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 20:58:55,728 INFO L93 Difference]: Finished difference Result 4761 states and 6267 transitions. [2019-10-13 20:58:55,728 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 20:58:55,730 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 345 [2019-10-13 20:58:55,734 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 20:58:55,785 INFO L225 Difference]: With dead ends: 4761 [2019-10-13 20:58:55,785 INFO L226 Difference]: Without dead ends: 3147 [2019-10-13 20:58:55,802 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 20:58:55,828 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3147 states. [2019-10-13 20:58:56,109 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3147 to 3143. [2019-10-13 20:58:56,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3143 states. [2019-10-13 20:58:56,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3143 states to 3143 states and 4068 transitions. [2019-10-13 20:58:56,140 INFO L78 Accepts]: Start accepts. Automaton has 3143 states and 4068 transitions. Word has length 345 [2019-10-13 20:58:56,147 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 20:58:56,147 INFO L462 AbstractCegarLoop]: Abstraction has 3143 states and 4068 transitions. [2019-10-13 20:58:56,148 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 20:58:56,148 INFO L276 IsEmpty]: Start isEmpty. Operand 3143 states and 4068 transitions. [2019-10-13 20:58:56,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 350 [2019-10-13 20:58:56,161 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 20:58:56,162 INFO L380 BasicCegarLoop]: trace histogram [16, 16, 16, 16, 16, 16, 16, 16, 12, 12, 12, 12, 12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:58:56,162 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 20:58:56,162 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 20:58:56,163 INFO L82 PathProgramCache]: Analyzing trace with hash 1767363195, now seen corresponding path program 1 times [2019-10-13 20:58:56,163 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 20:58:56,163 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [324405935] [2019-10-13 20:58:56,164 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:58:56,164 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:58:56,164 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 20:58:56,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 20:58:56,859 INFO L134 CoverageAnalysis]: Checked inductivity of 1608 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1608 trivial. 0 not checked. [2019-10-13 20:58:56,860 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [324405935] [2019-10-13 20:58:56,861 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 20:58:56,861 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 20:58:56,862 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [202858290] [2019-10-13 20:58:56,865 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 20:58:56,865 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 20:58:56,865 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 20:58:56,866 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 20:58:56,866 INFO L87 Difference]: Start difference. First operand 3143 states and 4068 transitions. Second operand 3 states. [2019-10-13 20:58:57,413 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 20:58:57,414 INFO L93 Difference]: Finished difference Result 9145 states and 11818 transitions. [2019-10-13 20:58:57,414 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 20:58:57,415 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 349 [2019-10-13 20:58:57,416 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 20:58:57,487 INFO L225 Difference]: With dead ends: 9145 [2019-10-13 20:58:57,487 INFO L226 Difference]: Without dead ends: 6087 [2019-10-13 20:58:57,512 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 20:58:57,524 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6087 states. [2019-10-13 20:58:57,831 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6087 to 6059. [2019-10-13 20:58:57,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6059 states. [2019-10-13 20:58:57,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6059 states to 6059 states and 7830 transitions. [2019-10-13 20:58:57,900 INFO L78 Accepts]: Start accepts. Automaton has 6059 states and 7830 transitions. Word has length 349 [2019-10-13 20:58:57,902 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 20:58:57,903 INFO L462 AbstractCegarLoop]: Abstraction has 6059 states and 7830 transitions. [2019-10-13 20:58:57,903 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 20:58:57,903 INFO L276 IsEmpty]: Start isEmpty. Operand 6059 states and 7830 transitions. [2019-10-13 20:58:57,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 366 [2019-10-13 20:58:57,923 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 20:58:57,923 INFO L380 BasicCegarLoop]: trace histogram [16, 16, 16, 16, 16, 16, 16, 16, 13, 13, 13, 13, 13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:58:57,924 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 20:58:57,924 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 20:58:57,924 INFO L82 PathProgramCache]: Analyzing trace with hash -1355256, now seen corresponding path program 1 times [2019-10-13 20:58:57,925 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 20:58:57,925 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1059853168] [2019-10-13 20:58:57,925 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:58:57,925 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:58:57,925 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 20:58:58,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 20:58:58,604 INFO L134 CoverageAnalysis]: Checked inductivity of 1704 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1704 trivial. 0 not checked. [2019-10-13 20:58:58,605 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1059853168] [2019-10-13 20:58:58,605 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 20:58:58,605 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 20:58:58,605 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [715334673] [2019-10-13 20:58:58,606 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 20:58:58,606 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 20:58:58,607 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 20:58:58,607 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 20:58:58,607 INFO L87 Difference]: Start difference. First operand 6059 states and 7830 transitions. Second operand 3 states. [2019-10-13 20:58:58,776 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 20:58:58,776 INFO L93 Difference]: Finished difference Result 6061 states and 7831 transitions. [2019-10-13 20:58:58,777 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 20:58:58,777 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 365 [2019-10-13 20:58:58,786 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 20:58:58,825 INFO L225 Difference]: With dead ends: 6061 [2019-10-13 20:58:58,826 INFO L226 Difference]: Without dead ends: 6058 [2019-10-13 20:58:58,831 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 20:58:58,843 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6058 states. [2019-10-13 20:58:59,158 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6058 to 6058. [2019-10-13 20:58:59,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6058 states. [2019-10-13 20:58:59,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6058 states to 6058 states and 7828 transitions. [2019-10-13 20:58:59,202 INFO L78 Accepts]: Start accepts. Automaton has 6058 states and 7828 transitions. Word has length 365 [2019-10-13 20:58:59,203 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 20:58:59,203 INFO L462 AbstractCegarLoop]: Abstraction has 6058 states and 7828 transitions. [2019-10-13 20:58:59,203 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 20:58:59,204 INFO L276 IsEmpty]: Start isEmpty. Operand 6058 states and 7828 transitions. [2019-10-13 20:58:59,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 367 [2019-10-13 20:58:59,217 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 20:58:59,218 INFO L380 BasicCegarLoop]: trace histogram [16, 16, 16, 16, 16, 16, 16, 16, 13, 13, 13, 13, 13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:58:59,218 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 20:58:59,218 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 20:58:59,219 INFO L82 PathProgramCache]: Analyzing trace with hash -42928481, now seen corresponding path program 1 times [2019-10-13 20:58:59,219 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 20:58:59,219 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2074850176] [2019-10-13 20:58:59,219 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:58:59,220 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:58:59,220 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 20:58:59,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 20:59:00,079 INFO L134 CoverageAnalysis]: Checked inductivity of 1704 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1704 trivial. 0 not checked. [2019-10-13 20:59:00,080 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2074850176] [2019-10-13 20:59:00,081 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 20:59:00,081 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 20:59:00,081 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1183373678] [2019-10-13 20:59:00,082 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 20:59:00,083 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 20:59:00,083 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 20:59:00,087 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 20:59:00,088 INFO L87 Difference]: Start difference. First operand 6058 states and 7828 transitions. Second operand 3 states. [2019-10-13 20:59:00,259 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 20:59:00,260 INFO L93 Difference]: Finished difference Result 6060 states and 7829 transitions. [2019-10-13 20:59:00,260 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 20:59:00,260 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 366 [2019-10-13 20:59:00,261 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 20:59:00,306 INFO L225 Difference]: With dead ends: 6060 [2019-10-13 20:59:00,306 INFO L226 Difference]: Without dead ends: 6057 [2019-10-13 20:59:00,313 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 20:59:00,326 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6057 states. [2019-10-13 20:59:00,690 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6057 to 6057. [2019-10-13 20:59:00,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6057 states. [2019-10-13 20:59:00,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6057 states to 6057 states and 7826 transitions. [2019-10-13 20:59:00,733 INFO L78 Accepts]: Start accepts. Automaton has 6057 states and 7826 transitions. Word has length 366 [2019-10-13 20:59:00,736 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 20:59:00,736 INFO L462 AbstractCegarLoop]: Abstraction has 6057 states and 7826 transitions. [2019-10-13 20:59:00,736 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 20:59:00,736 INFO L276 IsEmpty]: Start isEmpty. Operand 6057 states and 7826 transitions. [2019-10-13 20:59:00,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 368 [2019-10-13 20:59:00,746 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 20:59:00,747 INFO L380 BasicCegarLoop]: trace histogram [16, 16, 16, 16, 16, 16, 16, 16, 13, 13, 13, 13, 13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:59:00,747 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 20:59:00,747 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 20:59:00,748 INFO L82 PathProgramCache]: Analyzing trace with hash -1331693589, now seen corresponding path program 1 times [2019-10-13 20:59:00,748 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 20:59:00,748 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [913805675] [2019-10-13 20:59:00,749 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:59:00,749 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:59:00,749 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 20:59:00,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 20:59:02,228 INFO L134 CoverageAnalysis]: Checked inductivity of 1704 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1704 trivial. 0 not checked. [2019-10-13 20:59:02,228 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [913805675] [2019-10-13 20:59:02,228 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 20:59:02,229 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 20:59:02,229 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [586504584] [2019-10-13 20:59:02,231 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 20:59:02,231 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 20:59:02,231 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 20:59:02,232 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 20:59:02,232 INFO L87 Difference]: Start difference. First operand 6057 states and 7826 transitions. Second operand 3 states. [2019-10-13 20:59:02,706 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 20:59:02,706 INFO L93 Difference]: Finished difference Result 17907 states and 23615 transitions. [2019-10-13 20:59:02,707 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 20:59:02,707 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 367 [2019-10-13 20:59:02,708 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 20:59:02,805 INFO L225 Difference]: With dead ends: 17907 [2019-10-13 20:59:02,805 INFO L226 Difference]: Without dead ends: 11943 [2019-10-13 20:59:02,836 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 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 20:59:02,853 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11943 states. [2019-10-13 20:59:03,396 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11943 to 11925. [2019-10-13 20:59:03,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11925 states. [2019-10-13 20:59:03,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11925 states to 11925 states and 15659 transitions. [2019-10-13 20:59:03,461 INFO L78 Accepts]: Start accepts. Automaton has 11925 states and 15659 transitions. Word has length 367 [2019-10-13 20:59:03,461 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 20:59:03,462 INFO L462 AbstractCegarLoop]: Abstraction has 11925 states and 15659 transitions. [2019-10-13 20:59:03,462 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 20:59:03,462 INFO L276 IsEmpty]: Start isEmpty. Operand 11925 states and 15659 transitions. [2019-10-13 20:59:03,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 369 [2019-10-13 20:59:03,471 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 20:59:03,471 INFO L380 BasicCegarLoop]: trace histogram [16, 16, 16, 16, 16, 16, 16, 16, 13, 13, 13, 13, 13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:59:03,472 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 20:59:03,472 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 20:59:03,472 INFO L82 PathProgramCache]: Analyzing trace with hash 1666265890, now seen corresponding path program 1 times [2019-10-13 20:59:03,472 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 20:59:03,473 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1496136123] [2019-10-13 20:59:03,473 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:59:03,473 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:59:03,474 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 20:59:03,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 20:59:04,247 INFO L134 CoverageAnalysis]: Checked inductivity of 1704 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1704 trivial. 0 not checked. [2019-10-13 20:59:04,248 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1496136123] [2019-10-13 20:59:04,248 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 20:59:04,248 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 20:59:04,248 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [502348430] [2019-10-13 20:59:04,249 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 20:59:04,249 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 20:59:04,249 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 20:59:04,250 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 20:59:04,250 INFO L87 Difference]: Start difference. First operand 11925 states and 15659 transitions. Second operand 3 states. [2019-10-13 20:59:04,648 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 20:59:04,649 INFO L93 Difference]: Finished difference Result 11927 states and 15660 transitions. [2019-10-13 20:59:04,650 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 20:59:04,650 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 368 [2019-10-13 20:59:04,651 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 20:59:04,728 INFO L225 Difference]: With dead ends: 11927 [2019-10-13 20:59:04,729 INFO L226 Difference]: Without dead ends: 11924 [2019-10-13 20:59:04,742 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 20:59:04,766 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11924 states. [2019-10-13 20:59:05,315 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11924 to 11924. [2019-10-13 20:59:05,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11924 states. [2019-10-13 20:59:05,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11924 states to 11924 states and 15657 transitions. [2019-10-13 20:59:05,389 INFO L78 Accepts]: Start accepts. Automaton has 11924 states and 15657 transitions. Word has length 368 [2019-10-13 20:59:05,390 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 20:59:05,390 INFO L462 AbstractCegarLoop]: Abstraction has 11924 states and 15657 transitions. [2019-10-13 20:59:05,391 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 20:59:05,391 INFO L276 IsEmpty]: Start isEmpty. Operand 11924 states and 15657 transitions. [2019-10-13 20:59:05,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 370 [2019-10-13 20:59:05,410 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 20:59:05,411 INFO L380 BasicCegarLoop]: trace histogram [16, 16, 16, 16, 16, 16, 16, 16, 13, 13, 13, 13, 13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:59:05,411 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 20:59:05,412 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 20:59:05,412 INFO L82 PathProgramCache]: Analyzing trace with hash 113734094, now seen corresponding path program 1 times [2019-10-13 20:59:05,413 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 20:59:05,413 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1847611396] [2019-10-13 20:59:05,413 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:59:05,413 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:59:05,414 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 20:59:05,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat