java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/ai/svcomp-Reach-32bit-Automizer_Default+AIv2_INT.epf -i ../../../trunk/examples/svcomp/ldv-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 0.1.24-112bae1 [2019-09-10 13:08:26,819 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-10 13:08:26,821 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-10 13:08:26,838 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-10 13:08:26,838 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-10 13:08:26,840 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-10 13:08:26,842 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-10 13:08:26,854 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-10 13:08:26,858 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-10 13:08:26,859 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-10 13:08:26,861 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-10 13:08:26,862 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-10 13:08:26,862 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-10 13:08:26,864 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-10 13:08:26,867 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-10 13:08:26,868 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-10 13:08:26,869 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-10 13:08:26,870 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-10 13:08:26,874 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-10 13:08:26,876 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-10 13:08:26,878 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-10 13:08:26,879 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-10 13:08:26,880 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-10 13:08:26,880 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-10 13:08:26,883 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-10 13:08:26,883 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-10 13:08:26,883 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-10 13:08:26,884 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-10 13:08:26,884 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-10 13:08:26,886 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-10 13:08:26,887 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-10 13:08:26,887 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-10 13:08:26,888 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-10 13:08:26,889 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-10 13:08:26,890 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-10 13:08:26,890 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-10 13:08:26,891 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-10 13:08:26,891 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-10 13:08:26,891 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-10 13:08:26,894 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-10 13:08:26,895 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-10 13:08:26,896 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/svcomp-Reach-32bit-Automizer_Default+AIv2_INT.epf [2019-09-10 13:08:26,912 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-10 13:08:26,913 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-10 13:08:26,913 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-10 13:08:26,913 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-10 13:08:26,914 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-10 13:08:26,914 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-10 13:08:26,914 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-10 13:08:26,914 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-10 13:08:26,915 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-10 13:08:26,915 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-10 13:08:26,915 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-10 13:08:26,916 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-10 13:08:26,916 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-10 13:08:26,916 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-10 13:08:26,916 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-10 13:08:26,916 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-10 13:08:26,917 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-10 13:08:26,917 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-10 13:08:26,917 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-10 13:08:26,917 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-10 13:08:26,917 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-10 13:08:26,918 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-10 13:08:26,918 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-10 13:08:26,918 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-10 13:08:26,918 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-10 13:08:26,918 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-10 13:08:26,919 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-10 13:08:26,919 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-10 13:08:26,919 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-10 13:08:26,919 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-10 13:08:26,967 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-10 13:08:26,983 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-10 13:08:26,989 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-10 13:08:26,990 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-10 13:08:26,991 INFO L275 PluginConnector]: CDTParser initialized [2019-09-10 13:08:26,991 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--video--fbdev--udlfb.ko-entry_point.cil.out.i [2019-09-10 13:08:27,058 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3e607a0ad/776dbfe73761433ead1758f03c71b756/FLAGd1ff9f7f8 [2019-09-10 13:08:27,922 INFO L306 CDTParser]: Found 1 translation units. [2019-09-10 13:08:27,923 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--video--fbdev--udlfb.ko-entry_point.cil.out.i [2019-09-10 13:08:27,962 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3e607a0ad/776dbfe73761433ead1758f03c71b756/FLAGd1ff9f7f8 [2019-09-10 13:08:28,065 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3e607a0ad/776dbfe73761433ead1758f03c71b756 [2019-09-10 13:08:28,076 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-10 13:08:28,078 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-10 13:08:28,079 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-10 13:08:28,079 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-10 13:08:28,083 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-10 13:08:28,084 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.09 01:08:28" (1/1) ... [2019-09-10 13:08:28,086 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7ed0e499 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 01:08:28, skipping insertion in model container [2019-09-10 13:08:28,087 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.09 01:08:28" (1/1) ... [2019-09-10 13:08:28,094 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-10 13:08:28,245 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-10 13:08:30,616 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-10 13:08:30,667 INFO L188 MainTranslator]: Completed pre-run [2019-09-10 13:08:31,139 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-10 13:08:31,622 INFO L192 MainTranslator]: Completed translation [2019-09-10 13:08:31,623 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 01:08:31 WrapperNode [2019-09-10 13:08:31,623 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-10 13:08:31,624 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-10 13:08:31,624 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-10 13:08:31,624 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-10 13:08:31,638 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 01:08:31" (1/1) ... [2019-09-10 13:08:31,640 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 01:08:31" (1/1) ... [2019-09-10 13:08:31,738 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 01:08:31" (1/1) ... [2019-09-10 13:08:31,741 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 01:08:31" (1/1) ... [2019-09-10 13:08:31,961 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 01:08:31" (1/1) ... [2019-09-10 13:08:31,999 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 01:08:31" (1/1) ... [2019-09-10 13:08:32,032 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 01:08:31" (1/1) ... [2019-09-10 13:08:32,068 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-10 13:08:32,068 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-10 13:08:32,069 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-10 13:08:32,069 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-10 13:08:32,070 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 01:08:31" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-10 13:08:32,153 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-10 13:08:32,153 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-10 13:08:32,153 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2019-09-10 13:08:32,153 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2019-09-10 13:08:32,154 INFO L138 BoogieDeclarations]: Found implementation of procedure __swab16p [2019-09-10 13:08:32,154 INFO L138 BoogieDeclarations]: Found implementation of procedure __cpu_to_be16p [2019-09-10 13:08:32,154 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2019-09-10 13:08:32,154 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2019-09-10 13:08:32,154 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del_init [2019-09-10 13:08:32,154 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2019-09-10 13:08:32,155 INFO L138 BoogieDeclarations]: Found implementation of procedure paravirt_read_tsc [2019-09-10 13:08:32,156 INFO L138 BoogieDeclarations]: Found implementation of procedure prefetchw [2019-09-10 13:08:32,157 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2019-09-10 13:08:32,158 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2019-09-10 13:08:32,158 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_add [2019-09-10 13:08:32,161 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_sub_and_test [2019-09-10 13:08:32,161 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_add_return [2019-09-10 13:08:32,161 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-09-10 13:08:32,161 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-09-10 13:08:32,162 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2019-09-10 13:08:32,162 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2019-09-10 13:08:32,162 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2019-09-10 13:08:32,162 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ptr [2019-09-10 13:08:32,162 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2019-09-10 13:08:32,163 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2019-09-10 13:08:32,164 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2019-09-10 13:08:32,164 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2019-09-10 13:08:32,164 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2019-09-10 13:08:32,164 INFO L138 BoogieDeclarations]: Found implementation of procedure get_cycles [2019-09-10 13:08:32,164 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work [2019-09-10 13:08:32,164 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_delayed_work [2019-09-10 13:08:32,165 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2019-09-10 13:08:32,165 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2019-09-10 13:08:32,165 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_init [2019-09-10 13:08:32,166 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_get [2019-09-10 13:08:32,166 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_sub [2019-09-10 13:08:32,166 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_put [2019-09-10 13:08:32,166 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2019-09-10 13:08:32,166 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2019-09-10 13:08:32,166 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2019-09-10 13:08:32,166 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2019-09-10 13:08:32,167 INFO L138 BoogieDeclarations]: Found implementation of procedure sema_init [2019-09-10 13:08:32,167 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intfdata [2019-09-10 13:08:32,168 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2019-09-10 13:08:32,168 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2019-09-10 13:08:32,168 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_bulk_urb [2019-09-10 13:08:32,168 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2019-09-10 13:08:32,168 INFO L138 BoogieDeclarations]: Found implementation of procedure prefetch_range [2019-09-10 13:08:32,168 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_set_register [2019-09-10 13:08:32,169 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_vidreg_lock [2019-09-10 13:08:32,169 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_vidreg_unlock [2019-09-10 13:08:32,169 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_blanking [2019-09-10 13:08:32,169 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_set_color_depth [2019-09-10 13:08:32,169 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_set_base16bpp [2019-09-10 13:08:32,169 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_set_base8bpp [2019-09-10 13:08:32,169 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_set_register_16 [2019-09-10 13:08:32,169 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_set_register_16be [2019-09-10 13:08:32,170 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_lfsr16 [2019-09-10 13:08:32,170 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_set_register_lfsr16 [2019-09-10 13:08:32,170 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_set_vid_cmds [2019-09-10 13:08:32,170 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_set_video_mode [2019-09-10 13:08:32,170 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_ops_mmap [2019-09-10 13:08:32,170 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_trim_hline [2019-09-10 13:08:32,171 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_compress_hline [2019-09-10 13:08:32,171 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_render_hline [2019-09-10 13:08:32,172 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_handle_damage [2019-09-10 13:08:32,172 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_ops_write [2019-09-10 13:08:32,172 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_ops_copyarea [2019-09-10 13:08:32,172 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_ops_imageblit [2019-09-10 13:08:32,172 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_ops_fillrect [2019-09-10 13:08:32,172 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_dpy_deferred_io [2019-09-10 13:08:32,173 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_get_edid [2019-09-10 13:08:32,173 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_ops_ioctl [2019-09-10 13:08:32,174 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_ops_setcolreg [2019-09-10 13:08:32,174 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_ops_open [2019-09-10 13:08:32,174 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_free [2019-09-10 13:08:32,174 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_release_urb_work [2019-09-10 13:08:32,174 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_free_framebuffer [2019-09-10 13:08:32,174 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_free_framebuffer_work [2019-09-10 13:08:32,175 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_ops_release [2019-09-10 13:08:32,176 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_is_valid_mode [2019-09-10 13:08:32,176 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_var_color_format [2019-09-10 13:08:32,176 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_ops_check_var [2019-09-10 13:08:32,176 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_ops_set_par [2019-09-10 13:08:32,176 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_dummy_render [2019-09-10 13:08:32,178 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_ops_blank [2019-09-10 13:08:32,178 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_realloc_framebuffer [2019-09-10 13:08:32,179 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_setup_modes [2019-09-10 13:08:32,179 INFO L138 BoogieDeclarations]: Found implementation of procedure metrics_bytes_rendered_show [2019-09-10 13:08:32,179 INFO L138 BoogieDeclarations]: Found implementation of procedure metrics_bytes_identical_show [2019-09-10 13:08:32,179 INFO L138 BoogieDeclarations]: Found implementation of procedure metrics_bytes_sent_show [2019-09-10 13:08:32,179 INFO L138 BoogieDeclarations]: Found implementation of procedure metrics_cpu_kcycles_used_show [2019-09-10 13:08:32,179 INFO L138 BoogieDeclarations]: Found implementation of procedure edid_show [2019-09-10 13:08:32,179 INFO L138 BoogieDeclarations]: Found implementation of procedure edid_store [2019-09-10 13:08:32,180 INFO L138 BoogieDeclarations]: Found implementation of procedure metrics_reset_store [2019-09-10 13:08:32,180 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_select_std_channel [2019-09-10 13:08:32,180 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_parse_vendor_descriptor [2019-09-10 13:08:32,180 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_usb_probe [2019-09-10 13:08:32,180 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_init_framebuffer_work [2019-09-10 13:08:32,180 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_usb_disconnect [2019-09-10 13:08:32,181 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_driver_init [2019-09-10 13:08:32,181 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_driver_exit [2019-09-10 13:08:32,181 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_urb_completion [2019-09-10 13:08:32,181 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_free_urb_list [2019-09-10 13:08:32,181 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_alloc_urb_list [2019-09-10 13:08:32,181 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_get_urb [2019-09-10 13:08:32,182 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_submit_urb [2019-09-10 13:08:32,182 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_bin_attribute_5 [2019-09-10 13:08:32,182 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_work_3 [2019-09-10 13:08:32,182 INFO L138 BoogieDeclarations]: Found implementation of procedure work_init_3 [2019-09-10 13:08:32,182 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_work_1 [2019-09-10 13:08:32,182 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_work_3 [2019-09-10 13:08:32,183 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_work_2 [2019-09-10 13:08:32,183 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_work_1 [2019-09-10 13:08:32,183 INFO L138 BoogieDeclarations]: Found implementation of procedure invoke_work_3 [2019-09-10 13:08:32,183 INFO L138 BoogieDeclarations]: Found implementation of procedure work_init_2 [2019-09-10 13:08:32,184 INFO L138 BoogieDeclarations]: Found implementation of procedure work_init_1 [2019-09-10 13:08:32,184 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_driver_4 [2019-09-10 13:08:32,184 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_all_2 [2019-09-10 13:08:32,185 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_all_1 [2019-09-10 13:08:32,185 INFO L138 BoogieDeclarations]: Found implementation of procedure invoke_work_1 [2019-09-10 13:08:32,185 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_2 [2019-09-10 13:08:32,185 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_3 [2019-09-10 13:08:32,186 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_all_3 [2019-09-10 13:08:32,186 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_1 [2019-09-10 13:08:32,187 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_work_2 [2019-09-10 13:08:32,187 INFO L138 BoogieDeclarations]: Found implementation of procedure invoke_work_2 [2019-09-10 13:08:32,187 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_fb_ops_6 [2019-09-10 13:08:32,187 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-10 13:08:32,187 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_queue_work_on_5 [2019-09-10 13:08:32,188 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_queue_delayed_work_on_6 [2019-09-10 13:08:32,188 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_queue_work_on_7 [2019-09-10 13:08:32,188 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_flush_workqueue_8 [2019-09-10 13:08:32,188 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_queue_delayed_work_on_9 [2019-09-10 13:08:32,188 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_10 [2019-09-10 13:08:32,188 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_11 [2019-09-10 13:08:32,189 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_12 [2019-09-10 13:08:32,189 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_13 [2019-09-10 13:08:32,190 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_14 [2019-09-10 13:08:32,193 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_15 [2019-09-10 13:08:32,194 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_16 [2019-09-10 13:08:32,194 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_17 [2019-09-10 13:08:32,194 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_18 [2019-09-10 13:08:32,202 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_19 [2019-09-10 13:08:32,202 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_20 [2019-09-10 13:08:32,202 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_21 [2019-09-10 13:08:32,202 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_register_driver_22 [2019-09-10 13:08:32,202 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_deregister_23 [2019-09-10 13:08:32,202 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2019-09-10 13:08:32,202 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int_negative [2019-09-10 13:08:32,203 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2019-09-10 13:08:32,203 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2019-09-10 13:08:32,203 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2019-09-10 13:08:32,203 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2019-09-10 13:08:32,203 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_i_mutex_of_inode [2019-09-10 13:08:32,203 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_i_mutex_of_inode [2019-09-10 13:08:32,203 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_i_mutex_of_inode [2019-09-10 13:08:32,204 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_i_mutex_of_inode [2019-09-10 13:08:32,204 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_i_mutex_of_inode [2019-09-10 13:08:32,204 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_i_mutex_of_inode [2019-09-10 13:08:32,204 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_i_mutex_of_inode [2019-09-10 13:08:32,205 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_i_mutex_of_inode [2019-09-10 13:08:32,205 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_trylock_device_i_mutex_of_inode [2019-09-10 13:08:32,205 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_for_reset_i_mutex_of_inode [2019-09-10 13:08:32,205 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_unlock_device_i_mutex_of_inode [2019-09-10 13:08:32,205 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_lock [2019-09-10 13:08:32,205 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_lock [2019-09-10 13:08:32,206 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock [2019-09-10 13:08:32,206 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_lock [2019-09-10 13:08:32,206 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_lock [2019-09-10 13:08:32,206 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_lock [2019-09-10 13:08:32,206 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock [2019-09-10 13:08:32,206 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_lock [2019-09-10 13:08:32,206 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_trylock_device_lock [2019-09-10 13:08:32,206 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_for_reset_lock [2019-09-10 13:08:32,207 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_unlock_device_lock [2019-09-10 13:08:32,207 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_lock_of_fb_info [2019-09-10 13:08:32,207 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_lock_of_fb_info [2019-09-10 13:08:32,207 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock_of_fb_info [2019-09-10 13:08:32,207 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_lock_of_fb_info [2019-09-10 13:08:32,207 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_lock_of_fb_info [2019-09-10 13:08:32,207 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_lock_of_fb_info [2019-09-10 13:08:32,208 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock_of_fb_info [2019-09-10 13:08:32,208 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_lock_of_fb_info [2019-09-10 13:08:32,208 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_trylock_device_lock_of_fb_info [2019-09-10 13:08:32,208 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_for_reset_lock_of_fb_info [2019-09-10 13:08:32,208 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_unlock_device_lock_of_fb_info [2019-09-10 13:08:32,208 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_mutex_of_device [2019-09-10 13:08:32,208 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_mutex_of_device [2019-09-10 13:08:32,208 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mutex_of_device [2019-09-10 13:08:32,209 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_mutex_of_device [2019-09-10 13:08:32,209 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2019-09-10 13:08:32,209 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_mutex_of_device [2019-09-10 13:08:32,209 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex_of_device [2019-09-10 13:08:32,209 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_mutex_of_device [2019-09-10 13:08:32,210 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_trylock_device_mutex_of_device [2019-09-10 13:08:32,210 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_for_reset_mutex_of_device [2019-09-10 13:08:32,210 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_unlock_device_mutex_of_device [2019-09-10 13:08:32,210 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_update_lock_of_backlight_device [2019-09-10 13:08:32,210 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_update_lock_of_backlight_device [2019-09-10 13:08:32,210 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_update_lock_of_backlight_device [2019-09-10 13:08:32,210 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_update_lock_of_backlight_device [2019-09-10 13:08:32,211 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_update_lock_of_backlight_device [2019-09-10 13:08:32,211 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_update_lock_of_backlight_device [2019-09-10 13:08:32,211 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_update_lock_of_backlight_device [2019-09-10 13:08:32,211 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_update_lock_of_backlight_device [2019-09-10 13:08:32,211 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_trylock_device_update_lock_of_backlight_device [2019-09-10 13:08:32,211 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_for_reset_update_lock_of_backlight_device [2019-09-10 13:08:32,211 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_unlock_device_update_lock_of_backlight_device [2019-09-10 13:08:32,212 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-09-10 13:08:32,212 INFO L138 BoogieDeclarations]: Found implementation of procedure __copy_from_user_overflow [2019-09-10 13:08:32,212 INFO L138 BoogieDeclarations]: Found implementation of procedure __copy_to_user_overflow [2019-09-10 13:08:32,212 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2019-09-10 13:08:32,212 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2019-09-10 13:08:32,212 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2019-09-10 13:08:32,212 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_del_entry [2019-09-10 13:08:32,213 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_fault [2019-09-10 13:08:32,213 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2019-09-10 13:08:32,213 INFO L138 BoogieDeclarations]: Found implementation of procedure __usb_get_extra_descriptor [2019-09-10 13:08:32,213 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2019-09-10 13:08:32,213 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2019-09-10 13:08:32,213 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2019-09-10 13:08:32,214 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irqrestore [2019-09-10 13:08:32,214 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2019-09-10 13:08:32,214 INFO L138 BoogieDeclarations]: Found implementation of procedure device_create_bin_file [2019-09-10 13:08:32,214 INFO L138 BoogieDeclarations]: Found implementation of procedure device_create_file [2019-09-10 13:08:32,214 INFO L138 BoogieDeclarations]: Found implementation of procedure device_remove_bin_file [2019-09-10 13:08:32,214 INFO L138 BoogieDeclarations]: Found implementation of procedure device_remove_file [2019-09-10 13:08:32,214 INFO L138 BoogieDeclarations]: Found implementation of procedure down_interruptible [2019-09-10 13:08:32,215 INFO L138 BoogieDeclarations]: Found implementation of procedure down_timeout [2019-09-10 13:08:32,215 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_add_videomode [2019-09-10 13:08:32,215 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_alloc_cmap [2019-09-10 13:08:32,215 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_dealloc_cmap [2019-09-10 13:08:32,215 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_deferred_io_cleanup [2019-09-10 13:08:32,215 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_deferred_io_init [2019-09-10 13:08:32,215 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_destroy_modedb [2019-09-10 13:08:32,215 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_destroy_modelist [2019-09-10 13:08:32,216 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_edid_to_monspecs [2019-09-10 13:08:32,216 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_find_best_display [2019-09-10 13:08:32,216 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_find_nearest_mode [2019-09-10 13:08:32,216 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_sys_read [2019-09-10 13:08:32,216 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_sys_write [2019-09-10 13:08:32,216 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_var_to_videomode [2019-09-10 13:08:32,216 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_videomode_to_var [2019-09-10 13:08:32,216 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_workqueue [2019-09-10 13:08:32,217 INFO L138 BoogieDeclarations]: Found implementation of procedure framebuffer_alloc [2019-09-10 13:08:32,217 INFO L138 BoogieDeclarations]: Found implementation of procedure framebuffer_release [2019-09-10 13:08:32,217 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2019-09-10 13:08:32,217 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-09-10 13:08:32,217 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_probe_5 [2019-09-10 13:08:32,217 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_probe_6 [2019-09-10 13:08:32,217 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_5 [2019-09-10 13:08:32,217 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_6 [2019-09-10 13:08:32,218 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2019-09-10 13:08:32,218 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2019-09-10 13:08:32,218 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_trylock [2019-09-10 13:08:32,218 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2019-09-10 13:08:32,218 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2019-09-10 13:08:32,218 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work_on [2019-09-10 13:08:32,218 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2019-09-10 13:08:32,218 INFO L138 BoogieDeclarations]: Found implementation of procedure register_framebuffer [2019-09-10 13:08:32,219 INFO L138 BoogieDeclarations]: Found implementation of procedure remap_pfn_range [2019-09-10 13:08:32,219 INFO L138 BoogieDeclarations]: Found implementation of procedure sys_copyarea [2019-09-10 13:08:32,219 INFO L138 BoogieDeclarations]: Found implementation of procedure sys_fillrect [2019-09-10 13:08:32,219 INFO L138 BoogieDeclarations]: Found implementation of procedure sys_imageblit [2019-09-10 13:08:32,220 INFO L138 BoogieDeclarations]: Found implementation of procedure unlink_framebuffer [2019-09-10 13:08:32,225 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_framebuffer [2019-09-10 13:08:32,225 INFO L138 BoogieDeclarations]: Found implementation of procedure up [2019-09-10 13:08:32,225 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_coherent [2019-09-10 13:08:32,225 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2019-09-10 13:08:32,225 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2019-09-10 13:08:32,229 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_deregister [2019-09-10 13:08:32,229 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_coherent [2019-09-10 13:08:32,229 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2019-09-10 13:08:32,230 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_descriptor [2019-09-10 13:08:32,230 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register_driver [2019-09-10 13:08:32,230 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2019-09-10 13:08:32,230 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2019-09-10 13:08:32,230 INFO L138 BoogieDeclarations]: Found implementation of procedure vmalloc [2019-09-10 13:08:32,230 INFO L138 BoogieDeclarations]: Found implementation of procedure vmalloc_to_pfn [2019-09-10 13:08:32,230 INFO L138 BoogieDeclarations]: Found implementation of procedure vzalloc [2019-09-10 13:08:32,230 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2019-09-10 13:08:32,231 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-09-10 13:08:32,231 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-09-10 13:08:32,231 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-09-10 13:08:32,231 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-09-10 13:08:32,231 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-09-10 13:08:32,231 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-10 13:08:32,231 INFO L130 BoogieDeclarations]: Found specification of procedure __builtin_prefetch [2019-09-10 13:08:32,232 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2019-09-10 13:08:32,232 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2019-09-10 13:08:32,232 INFO L130 BoogieDeclarations]: Found specification of procedure __swab16p [2019-09-10 13:08:32,232 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-10 13:08:32,232 INFO L130 BoogieDeclarations]: Found specification of procedure __cpu_to_be16p [2019-09-10 13:08:32,233 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2019-09-10 13:08:32,233 INFO L130 BoogieDeclarations]: Found specification of procedure __might_fault [2019-09-10 13:08:32,233 INFO L130 BoogieDeclarations]: Found specification of procedure snprintf [2019-09-10 13:08:32,233 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2019-09-10 13:08:32,233 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-10 13:08:32,233 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2019-09-10 13:08:32,233 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2019-09-10 13:08:32,233 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-10 13:08:32,233 INFO L130 BoogieDeclarations]: Found specification of procedure __list_del_entry [2019-09-10 13:08:32,234 INFO L130 BoogieDeclarations]: Found specification of procedure list_del_init [2019-09-10 13:08:32,234 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2019-09-10 13:08:32,234 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-09-10 13:08:32,234 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-09-10 13:08:32,234 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2019-09-10 13:08:32,234 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2019-09-10 13:08:32,234 INFO L130 BoogieDeclarations]: Found specification of procedure paravirt_read_tsc [2019-09-10 13:08:32,234 INFO L130 BoogieDeclarations]: Found specification of procedure prefetchw [2019-09-10 13:08:32,235 INFO L130 BoogieDeclarations]: Found specification of procedure __xadd_wrong_size [2019-09-10 13:08:32,235 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2019-09-10 13:08:32,235 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2019-09-10 13:08:32,235 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-10 13:08:32,235 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_add [2019-09-10 13:08:32,235 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_sub_and_test [2019-09-10 13:08:32,235 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_add_return [2019-09-10 13:08:32,235 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2019-09-10 13:08:32,235 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_trylock [2019-09-10 13:08:32,236 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_13 [2019-09-10 13:08:32,236 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2019-09-10 13:08:32,236 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_11 [2019-09-10 13:08:32,236 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_14 [2019-09-10 13:08:32,236 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_15 [2019-09-10 13:08:32,236 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_18 [2019-09-10 13:08:32,237 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_19 [2019-09-10 13:08:32,237 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_21 [2019-09-10 13:08:32,237 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-10 13:08:32,237 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-09-10 13:08:32,237 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-10 13:08:32,237 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-09-10 13:08:32,237 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-09-10 13:08:32,238 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-10 13:08:32,238 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-09-10 13:08:32,238 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-10 13:08:32,238 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-09-10 13:08:32,238 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-09-10 13:08:32,238 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2019-09-10 13:08:32,238 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2019-09-10 13:08:32,238 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-09-10 13:08:32,239 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2019-09-10 13:08:32,239 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ptr [2019-09-10 13:08:32,239 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2019-09-10 13:08:32,239 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2019-09-10 13:08:32,239 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2019-09-10 13:08:32,239 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_10 [2019-09-10 13:08:32,239 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_12 [2019-09-10 13:08:32,239 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_16 [2019-09-10 13:08:32,240 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_17 [2019-09-10 13:08:32,240 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_20 [2019-09-10 13:08:32,240 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_i_mutex_of_inode [2019-09-10 13:08:32,240 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_i_mutex_of_inode [2019-09-10 13:08:32,240 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock [2019-09-10 13:08:32,240 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock [2019-09-10 13:08:32,240 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock_of_fb_info [2019-09-10 13:08:32,240 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock_of_fb_info [2019-09-10 13:08:32,241 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mutex_of_device [2019-09-10 13:08:32,241 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_mutex_of_device [2019-09-10 13:08:32,241 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex_of_device [2019-09-10 13:08:32,241 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_update_lock_of_backlight_device [2019-09-10 13:08:32,241 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_update_lock_of_backlight_device [2019-09-10 13:08:32,241 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2019-09-10 13:08:32,241 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2019-09-10 13:08:32,241 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore [2019-09-10 13:08:32,242 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2019-09-10 13:08:32,242 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2019-09-10 13:08:32,242 INFO L130 BoogieDeclarations]: Found specification of procedure get_cycles [2019-09-10 13:08:32,243 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2019-09-10 13:08:32,243 INFO L130 BoogieDeclarations]: Found specification of procedure delayed_work_timer_fn [2019-09-10 13:08:32,243 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2019-09-10 13:08:32,243 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2019-09-10 13:08:32,243 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_queue_work_on_5 [2019-09-10 13:08:32,244 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_queue_work_on_7 [2019-09-10 13:08:32,244 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work_on [2019-09-10 13:08:32,244 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_queue_delayed_work_on_6 [2019-09-10 13:08:32,244 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_queue_delayed_work_on_9 [2019-09-10 13:08:32,244 INFO L130 BoogieDeclarations]: Found specification of procedure flush_workqueue [2019-09-10 13:08:32,244 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_flush_workqueue_8 [2019-09-10 13:08:32,244 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work [2019-09-10 13:08:32,244 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_delayed_work [2019-09-10 13:08:32,245 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-09-10 13:08:32,245 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2019-09-10 13:08:32,245 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2019-09-10 13:08:32,245 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2019-09-10 13:08:32,245 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_bin_attribute_5 [2019-09-10 13:08:32,245 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_work_3 [2019-09-10 13:08:32,245 INFO L130 BoogieDeclarations]: Found specification of procedure work_init_3 [2019-09-10 13:08:32,245 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_work_1 [2019-09-10 13:08:32,246 INFO L130 BoogieDeclarations]: Found specification of procedure disable_work_3 [2019-09-10 13:08:32,246 INFO L130 BoogieDeclarations]: Found specification of procedure disable_work_2 [2019-09-10 13:08:32,246 INFO L130 BoogieDeclarations]: Found specification of procedure disable_work_1 [2019-09-10 13:08:32,246 INFO L130 BoogieDeclarations]: Found specification of procedure invoke_work_3 [2019-09-10 13:08:32,246 INFO L130 BoogieDeclarations]: Found specification of procedure work_init_2 [2019-09-10 13:08:32,246 INFO L130 BoogieDeclarations]: Found specification of procedure work_init_1 [2019-09-10 13:08:32,246 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_driver_4 [2019-09-10 13:08:32,246 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_all_2 [2019-09-10 13:08:32,246 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_all_1 [2019-09-10 13:08:32,247 INFO L130 BoogieDeclarations]: Found specification of procedure invoke_work_1 [2019-09-10 13:08:32,247 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_2 [2019-09-10 13:08:32,248 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_3 [2019-09-10 13:08:32,248 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_all_3 [2019-09-10 13:08:32,248 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_1 [2019-09-10 13:08:32,248 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_work_2 [2019-09-10 13:08:32,248 INFO L130 BoogieDeclarations]: Found specification of procedure invoke_work_2 [2019-09-10 13:08:32,248 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_fb_ops_6 [2019-09-10 13:08:32,248 INFO L130 BoogieDeclarations]: Found specification of procedure kref_init [2019-09-10 13:08:32,249 INFO L130 BoogieDeclarations]: Found specification of procedure kref_get [2019-09-10 13:08:32,249 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-10 13:08:32,249 INFO L130 BoogieDeclarations]: Found specification of procedure kref_sub [2019-09-10 13:08:32,249 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2019-09-10 13:08:32,249 INFO L130 BoogieDeclarations]: Found specification of procedure kref_put [2019-09-10 13:08:32,249 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2019-09-10 13:08:32,250 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2019-09-10 13:08:32,250 INFO L130 BoogieDeclarations]: Found specification of procedure __copy_from_user_overflow [2019-09-10 13:08:32,250 INFO L130 BoogieDeclarations]: Found specification of procedure __copy_to_user_overflow [2019-09-10 13:08:32,250 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2019-09-10 13:08:32,250 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2019-09-10 13:08:32,250 INFO L130 BoogieDeclarations]: Found specification of procedure device_create_file [2019-09-10 13:08:32,250 INFO L130 BoogieDeclarations]: Found specification of procedure device_remove_file [2019-09-10 13:08:32,250 INFO L130 BoogieDeclarations]: Found specification of procedure device_create_bin_file [2019-09-10 13:08:32,251 INFO L130 BoogieDeclarations]: Found specification of procedure device_remove_bin_file [2019-09-10 13:08:32,251 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2019-09-10 13:08:32,251 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2019-09-10 13:08:32,251 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2019-09-10 13:08:32,251 INFO L130 BoogieDeclarations]: Found specification of procedure sema_init [2019-09-10 13:08:32,251 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-10 13:08:32,251 INFO L130 BoogieDeclarations]: Found specification of procedure down_interruptible [2019-09-10 13:08:32,251 INFO L130 BoogieDeclarations]: Found specification of procedure down_timeout [2019-09-10 13:08:32,252 INFO L130 BoogieDeclarations]: Found specification of procedure up [2019-09-10 13:08:32,252 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intfdata [2019-09-10 13:08:32,252 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2019-09-10 13:08:32,252 INFO L130 BoogieDeclarations]: Found specification of procedure __usb_get_extra_descriptor [2019-09-10 13:08:32,252 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2019-09-10 13:08:32,252 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register_driver [2019-09-10 13:08:32,252 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_register_driver_22 [2019-09-10 13:08:32,252 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister [2019-09-10 13:08:32,253 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_deregister_23 [2019-09-10 13:08:32,253 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_bulk_urb [2019-09-10 13:08:32,253 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2019-09-10 13:08:32,253 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2019-09-10 13:08:32,253 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2019-09-10 13:08:32,253 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_coherent [2019-09-10 13:08:32,253 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_coherent [2019-09-10 13:08:32,253 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2019-09-10 13:08:32,254 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_descriptor [2019-09-10 13:08:32,254 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2019-09-10 13:08:32,254 INFO L130 BoogieDeclarations]: Found specification of procedure vmalloc_to_pfn [2019-09-10 13:08:32,254 INFO L130 BoogieDeclarations]: Found specification of procedure remap_pfn_range [2019-09-10 13:08:32,254 INFO L130 BoogieDeclarations]: Found specification of procedure sys_fillrect [2019-09-10 13:08:32,254 INFO L130 BoogieDeclarations]: Found specification of procedure sys_copyarea [2019-09-10 13:08:32,255 INFO L130 BoogieDeclarations]: Found specification of procedure sys_imageblit [2019-09-10 13:08:32,255 INFO L130 BoogieDeclarations]: Found specification of procedure fb_sys_read [2019-09-10 13:08:32,255 INFO L130 BoogieDeclarations]: Found specification of procedure fb_sys_write [2019-09-10 13:08:32,255 INFO L130 BoogieDeclarations]: Found specification of procedure register_framebuffer [2019-09-10 13:08:32,255 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_framebuffer [2019-09-10 13:08:32,255 INFO L130 BoogieDeclarations]: Found specification of procedure unlink_framebuffer [2019-09-10 13:08:32,255 INFO L130 BoogieDeclarations]: Found specification of procedure fb_deferred_io_init [2019-09-10 13:08:32,256 INFO L130 BoogieDeclarations]: Found specification of procedure fb_deferred_io_cleanup [2019-09-10 13:08:32,256 INFO L130 BoogieDeclarations]: Found specification of procedure framebuffer_alloc [2019-09-10 13:08:32,256 INFO L130 BoogieDeclarations]: Found specification of procedure framebuffer_release [2019-09-10 13:08:32,256 INFO L130 BoogieDeclarations]: Found specification of procedure fb_edid_to_monspecs [2019-09-10 13:08:32,256 INFO L130 BoogieDeclarations]: Found specification of procedure fb_destroy_modedb [2019-09-10 13:08:32,256 INFO L130 BoogieDeclarations]: Found specification of procedure fb_var_to_videomode [2019-09-10 13:08:32,256 INFO L130 BoogieDeclarations]: Found specification of procedure fb_videomode_to_var [2019-09-10 13:08:32,257 INFO L130 BoogieDeclarations]: Found specification of procedure fb_add_videomode [2019-09-10 13:08:32,257 INFO L130 BoogieDeclarations]: Found specification of procedure fb_find_nearest_mode [2019-09-10 13:08:32,257 INFO L130 BoogieDeclarations]: Found specification of procedure fb_destroy_modelist [2019-09-10 13:08:32,257 INFO L130 BoogieDeclarations]: Found specification of procedure fb_find_best_display [2019-09-10 13:08:32,257 INFO L130 BoogieDeclarations]: Found specification of procedure fb_alloc_cmap [2019-09-10 13:08:32,257 INFO L130 BoogieDeclarations]: Found specification of procedure fb_dealloc_cmap [2019-09-10 13:08:32,257 INFO L130 BoogieDeclarations]: Found specification of procedure vmalloc [2019-09-10 13:08:32,257 INFO L130 BoogieDeclarations]: Found specification of procedure vzalloc [2019-09-10 13:08:32,258 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2019-09-10 13:08:32,258 INFO L130 BoogieDeclarations]: Found specification of procedure prefetch_range [2019-09-10 13:08:32,258 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_urb_completion [2019-09-10 13:08:32,258 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_get_urb [2019-09-10 13:08:32,258 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_submit_urb [2019-09-10 13:08:32,258 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_alloc_urb_list [2019-09-10 13:08:32,258 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_free_urb_list [2019-09-10 13:08:32,258 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_set_register [2019-09-10 13:08:32,259 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_vidreg_lock [2019-09-10 13:08:32,259 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_vidreg_unlock [2019-09-10 13:08:32,259 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_blanking [2019-09-10 13:08:32,259 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_set_color_depth [2019-09-10 13:08:32,259 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_set_base16bpp [2019-09-10 13:08:32,259 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_set_base8bpp [2019-09-10 13:08:32,259 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_set_register_16 [2019-09-10 13:08:32,259 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_set_register_16be [2019-09-10 13:08:32,260 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_lfsr16 [2019-09-10 13:08:32,260 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_set_register_lfsr16 [2019-09-10 13:08:32,260 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_set_vid_cmds [2019-09-10 13:08:32,260 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_set_video_mode [2019-09-10 13:08:32,260 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_ops_mmap [2019-09-10 13:08:32,260 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_trim_hline [2019-09-10 13:08:32,260 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_compress_hline [2019-09-10 13:08:32,260 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_render_hline [2019-09-10 13:08:32,261 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-09-10 13:08:32,261 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_handle_damage [2019-09-10 13:08:32,261 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_ops_write [2019-09-10 13:08:32,261 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_ops_copyarea [2019-09-10 13:08:32,261 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_ops_imageblit [2019-09-10 13:08:32,261 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_ops_fillrect [2019-09-10 13:08:32,261 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_dpy_deferred_io [2019-09-10 13:08:32,265 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_get_edid [2019-09-10 13:08:32,265 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_ops_ioctl [2019-09-10 13:08:32,265 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_ops_setcolreg [2019-09-10 13:08:32,265 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_ops_open [2019-09-10 13:08:32,266 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_free [2019-09-10 13:08:32,266 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_release_urb_work [2019-09-10 13:08:32,266 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_free_framebuffer [2019-09-10 13:08:32,266 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_free_framebuffer_work [2019-09-10 13:08:32,266 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_ops_release [2019-09-10 13:08:32,266 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_is_valid_mode [2019-09-10 13:08:32,266 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_var_color_format [2019-09-10 13:08:32,266 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_ops_check_var [2019-09-10 13:08:32,267 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_ops_set_par [2019-09-10 13:08:32,267 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_dummy_render [2019-09-10 13:08:32,267 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_ops_blank [2019-09-10 13:08:32,267 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_realloc_framebuffer [2019-09-10 13:08:32,267 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_setup_modes [2019-09-10 13:08:32,267 INFO L130 BoogieDeclarations]: Found specification of procedure metrics_bytes_rendered_show [2019-09-10 13:08:32,267 INFO L130 BoogieDeclarations]: Found specification of procedure metrics_bytes_identical_show [2019-09-10 13:08:32,267 INFO L130 BoogieDeclarations]: Found specification of procedure metrics_bytes_sent_show [2019-09-10 13:08:32,268 INFO L130 BoogieDeclarations]: Found specification of procedure metrics_cpu_kcycles_used_show [2019-09-10 13:08:32,268 INFO L130 BoogieDeclarations]: Found specification of procedure edid_show [2019-09-10 13:08:32,268 INFO L130 BoogieDeclarations]: Found specification of procedure edid_store [2019-09-10 13:08:32,268 INFO L130 BoogieDeclarations]: Found specification of procedure metrics_reset_store [2019-09-10 13:08:32,268 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_select_std_channel [2019-09-10 13:08:32,269 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_parse_vendor_descriptor [2019-09-10 13:08:32,269 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_init_framebuffer_work [2019-09-10 13:08:32,269 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_usb_probe [2019-09-10 13:08:32,269 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_usb_disconnect [2019-09-10 13:08:32,269 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_driver_init [2019-09-10 13:08:32,269 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_driver_exit [2019-09-10 13:08:32,270 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_6 [2019-09-10 13:08:32,270 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_probe_5 [2019-09-10 13:08:32,270 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_5 [2019-09-10 13:08:32,270 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-09-10 13:08:32,270 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-09-10 13:08:32,270 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_probe_6 [2019-09-10 13:08:32,270 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-10 13:08:32,271 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2019-09-10 13:08:32,271 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int_negative [2019-09-10 13:08:32,271 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2019-09-10 13:08:32,271 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2019-09-10 13:08:32,271 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2019-09-10 13:08:32,271 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2019-09-10 13:08:32,271 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_i_mutex_of_inode [2019-09-10 13:08:32,271 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_i_mutex_of_inode [2019-09-10 13:08:32,272 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_i_mutex_of_inode [2019-09-10 13:08:32,272 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_i_mutex_of_inode [2019-09-10 13:08:32,272 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_i_mutex_of_inode [2019-09-10 13:08:32,272 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_i_mutex_of_inode [2019-09-10 13:08:32,272 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_trylock_device_i_mutex_of_inode [2019-09-10 13:08:32,272 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_for_reset_i_mutex_of_inode [2019-09-10 13:08:32,272 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_unlock_device_i_mutex_of_inode [2019-09-10 13:08:32,272 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_lock [2019-09-10 13:08:32,273 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_lock [2019-09-10 13:08:32,273 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_lock [2019-09-10 13:08:32,273 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_lock [2019-09-10 13:08:32,273 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_lock [2019-09-10 13:08:32,273 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_lock [2019-09-10 13:08:32,273 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_trylock_device_lock [2019-09-10 13:08:32,273 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_for_reset_lock [2019-09-10 13:08:32,273 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_unlock_device_lock [2019-09-10 13:08:32,274 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_lock_of_fb_info [2019-09-10 13:08:32,274 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_lock_of_fb_info [2019-09-10 13:08:32,274 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_lock_of_fb_info [2019-09-10 13:08:32,274 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_lock_of_fb_info [2019-09-10 13:08:32,274 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_lock_of_fb_info [2019-09-10 13:08:32,274 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_lock_of_fb_info [2019-09-10 13:08:32,274 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_trylock_device_lock_of_fb_info [2019-09-10 13:08:32,274 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_for_reset_lock_of_fb_info [2019-09-10 13:08:32,275 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_unlock_device_lock_of_fb_info [2019-09-10 13:08:32,275 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_mutex_of_device [2019-09-10 13:08:32,275 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_mutex_of_device [2019-09-10 13:08:32,275 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2019-09-10 13:08:32,275 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_mutex_of_device [2019-09-10 13:08:32,275 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_mutex_of_device [2019-09-10 13:08:32,275 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_trylock_device_mutex_of_device [2019-09-10 13:08:32,275 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_for_reset_mutex_of_device [2019-09-10 13:08:32,275 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_unlock_device_mutex_of_device [2019-09-10 13:08:32,276 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_update_lock_of_backlight_device [2019-09-10 13:08:32,276 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_update_lock_of_backlight_device [2019-09-10 13:08:32,276 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_update_lock_of_backlight_device [2019-09-10 13:08:32,276 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_update_lock_of_backlight_device [2019-09-10 13:08:32,276 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_update_lock_of_backlight_device [2019-09-10 13:08:32,277 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_update_lock_of_backlight_device [2019-09-10 13:08:32,277 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_trylock_device_update_lock_of_backlight_device [2019-09-10 13:08:32,277 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_for_reset_update_lock_of_backlight_device [2019-09-10 13:08:32,277 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_unlock_device_update_lock_of_backlight_device [2019-09-10 13:08:32,277 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-09-10 13:08:32,277 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2019-09-10 13:08:32,277 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-09-10 13:08:32,278 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-10 13:08:32,278 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-10 13:08:32,278 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-10 13:08:32,278 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-09-10 13:08:32,278 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-10 13:08:32,278 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-09-10 13:08:32,279 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-09-10 13:08:32,279 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2019-09-10 13:08:32,279 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2019-09-10 13:08:34,196 INFO L684 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2019-09-10 13:08:44,845 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-10 13:08:44,846 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-10 13:08:44,848 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.09 01:08:44 BoogieIcfgContainer [2019-09-10 13:08:44,848 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-10 13:08:44,850 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-10 13:08:44,850 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-10 13:08:44,853 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-10 13:08:44,853 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.09 01:08:28" (1/3) ... [2019-09-10 13:08:44,854 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d9368be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.09 01:08:44, skipping insertion in model container [2019-09-10 13:08:44,854 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 01:08:31" (2/3) ... [2019-09-10 13:08:44,854 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d9368be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.09 01:08:44, skipping insertion in model container [2019-09-10 13:08:44,854 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.09 01:08:44" (3/3) ... [2019-09-10 13:08:44,856 INFO L109 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-32_7a-drivers--video--fbdev--udlfb.ko-entry_point.cil.out.i [2019-09-10 13:08:44,866 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-10 13:08:44,889 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-10 13:08:44,909 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-10 13:08:44,940 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-10 13:08:44,940 INFO L378 AbstractCegarLoop]: Hoare is false [2019-09-10 13:08:44,940 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-10 13:08:44,940 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-10 13:08:44,940 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-10 13:08:44,940 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-10 13:08:44,940 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-10 13:08:44,941 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-10 13:08:44,995 INFO L276 IsEmpty]: Start isEmpty. Operand 2083 states. [2019-09-10 13:08:45,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 358 [2019-09-10 13:08:45,039 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 13:08:45,041 INFO L399 BasicCegarLoop]: trace histogram [16, 16, 16, 16, 16, 16, 16, 16, 12, 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] [2019-09-10 13:08:45,043 INFO L418 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 13:08:45,048 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 13:08:45,049 INFO L82 PathProgramCache]: Analyzing trace with hash 2125305194, now seen corresponding path program 1 times [2019-09-10 13:08:45,051 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 13:08:45,163 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 13:08:45,163 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 13:08:45,163 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 13:08:45,163 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 13:08:45,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 13:08:46,357 INFO L134 CoverageAnalysis]: Checked inductivity of 1674 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1674 trivial. 0 not checked. [2019-09-10 13:08:46,359 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 13:08:46,359 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 13:08:46,360 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 13:08:46,365 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 13:08:46,379 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 13:08:46,380 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 13:08:46,382 INFO L87 Difference]: Start difference. First operand 2083 states. Second operand 3 states. [2019-09-10 13:08:47,372 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 13:08:47,372 INFO L93 Difference]: Finished difference Result 3180 states and 4128 transitions. [2019-09-10 13:08:47,373 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 13:08:47,374 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 357 [2019-09-10 13:08:47,379 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 13:08:47,437 INFO L225 Difference]: With dead ends: 3180 [2019-09-10 13:08:47,438 INFO L226 Difference]: Without dead ends: 3149 [2019-09-10 13:08:47,439 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 13:08:47,465 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3149 states. [2019-09-10 13:08:47,635 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3149 to 3145. [2019-09-10 13:08:47,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3145 states. [2019-09-10 13:08:47,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3145 states to 3145 states and 4072 transitions. [2019-09-10 13:08:47,663 INFO L78 Accepts]: Start accepts. Automaton has 3145 states and 4072 transitions. Word has length 357 [2019-09-10 13:08:47,668 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 13:08:47,669 INFO L475 AbstractCegarLoop]: Abstraction has 3145 states and 4072 transitions. [2019-09-10 13:08:47,669 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 13:08:47,669 INFO L276 IsEmpty]: Start isEmpty. Operand 3145 states and 4072 transitions. [2019-09-10 13:08:47,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 362 [2019-09-10 13:08:47,682 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 13:08:47,682 INFO L399 BasicCegarLoop]: trace histogram [16, 16, 16, 16, 16, 16, 16, 16, 12, 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] [2019-09-10 13:08:47,683 INFO L418 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 13:08:47,683 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 13:08:47,683 INFO L82 PathProgramCache]: Analyzing trace with hash -644776735, now seen corresponding path program 1 times [2019-09-10 13:08:47,683 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 13:08:47,688 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 13:08:47,688 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 13:08:47,688 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 13:08:47,688 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 13:08:47,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 13:08:48,153 INFO L134 CoverageAnalysis]: Checked inductivity of 1674 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1674 trivial. 0 not checked. [2019-09-10 13:08:48,153 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 13:08:48,153 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 13:08:48,154 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 13:08:48,156 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 13:08:48,156 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 13:08:48,156 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 13:08:48,156 INFO L87 Difference]: Start difference. First operand 3145 states and 4072 transitions. Second operand 3 states. [2019-09-10 13:08:48,396 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 13:08:48,396 INFO L93 Difference]: Finished difference Result 6091 states and 7869 transitions. [2019-09-10 13:08:48,397 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 13:08:48,397 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 361 [2019-09-10 13:08:48,398 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 13:08:48,438 INFO L225 Difference]: With dead ends: 6091 [2019-09-10 13:08:48,438 INFO L226 Difference]: Without dead ends: 6091 [2019-09-10 13:08:48,439 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 13:08:48,450 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6091 states. [2019-09-10 13:08:48,668 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6091 to 6063. [2019-09-10 13:08:48,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6063 states. [2019-09-10 13:08:48,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6063 states to 6063 states and 7838 transitions. [2019-09-10 13:08:48,714 INFO L78 Accepts]: Start accepts. Automaton has 6063 states and 7838 transitions. Word has length 361 [2019-09-10 13:08:48,716 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 13:08:48,717 INFO L475 AbstractCegarLoop]: Abstraction has 6063 states and 7838 transitions. [2019-09-10 13:08:48,717 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 13:08:48,717 INFO L276 IsEmpty]: Start isEmpty. Operand 6063 states and 7838 transitions. [2019-09-10 13:08:49,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 379 [2019-09-10 13:08:49,390 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 13:08:49,393 INFO L399 BasicCegarLoop]: trace histogram [16, 16, 16, 16, 16, 16, 16, 16, 13, 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] [2019-09-10 13:08:49,393 INFO L418 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 13:08:49,394 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 13:08:49,394 INFO L82 PathProgramCache]: Analyzing trace with hash 84994820, now seen corresponding path program 1 times [2019-09-10 13:08:49,394 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 13:08:49,400 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 13:08:49,400 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 13:08:49,401 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 13:08:49,401 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 13:08:49,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 13:08:49,942 INFO L134 CoverageAnalysis]: Checked inductivity of 1782 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1782 trivial. 0 not checked. [2019-09-10 13:08:49,942 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 13:08:49,942 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 13:08:49,943 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 13:08:49,943 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 13:08:49,944 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 13:08:49,944 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 13:08:49,944 INFO L87 Difference]: Start difference. First operand 6063 states and 7838 transitions. Second operand 3 states. [2019-09-10 13:08:50,026 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 13:08:50,027 INFO L93 Difference]: Finished difference Result 6062 states and 7836 transitions. [2019-09-10 13:08:50,027 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 13:08:50,027 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 378 [2019-09-10 13:08:50,031 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 13:08:50,075 INFO L225 Difference]: With dead ends: 6062 [2019-09-10 13:08:50,075 INFO L226 Difference]: Without dead ends: 6062 [2019-09-10 13:08:50,075 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 13:08:50,084 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6062 states. [2019-09-10 13:08:50,260 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6062 to 6062. [2019-09-10 13:08:50,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6062 states. [2019-09-10 13:08:50,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6062 states to 6062 states and 7836 transitions. [2019-09-10 13:08:50,291 INFO L78 Accepts]: Start accepts. Automaton has 6062 states and 7836 transitions. Word has length 378 [2019-09-10 13:08:50,292 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 13:08:50,292 INFO L475 AbstractCegarLoop]: Abstraction has 6062 states and 7836 transitions. [2019-09-10 13:08:50,292 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 13:08:50,292 INFO L276 IsEmpty]: Start isEmpty. Operand 6062 states and 7836 transitions. [2019-09-10 13:08:50,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 380 [2019-09-10 13:08:50,303 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 13:08:50,303 INFO L399 BasicCegarLoop]: trace histogram [16, 16, 16, 16, 16, 16, 16, 16, 13, 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] [2019-09-10 13:08:50,303 INFO L418 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 13:08:50,304 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 13:08:50,305 INFO L82 PathProgramCache]: Analyzing trace with hash -1661043415, now seen corresponding path program 1 times [2019-09-10 13:08:50,305 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 13:08:50,310 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 13:08:50,311 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 13:08:50,311 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 13:08:50,311 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 13:08:50,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 13:08:50,901 INFO L134 CoverageAnalysis]: Checked inductivity of 1782 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1782 trivial. 0 not checked. [2019-09-10 13:08:50,901 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 13:08:50,901 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 13:08:50,902 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 13:08:50,903 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 13:08:50,903 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 13:08:50,903 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 13:08:50,904 INFO L87 Difference]: Start difference. First operand 6062 states and 7836 transitions. Second operand 3 states. [2019-09-10 13:08:50,967 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 13:08:50,967 INFO L93 Difference]: Finished difference Result 6061 states and 7834 transitions. [2019-09-10 13:08:50,968 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 13:08:50,968 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 379 [2019-09-10 13:08:50,969 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 13:08:51,005 INFO L225 Difference]: With dead ends: 6061 [2019-09-10 13:08:51,006 INFO L226 Difference]: Without dead ends: 6061 [2019-09-10 13:08:51,006 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 13:08:51,017 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6061 states. [2019-09-10 13:08:51,160 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6061 to 6061. [2019-09-10 13:08:51,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6061 states. [2019-09-10 13:08:51,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6061 states to 6061 states and 7834 transitions. [2019-09-10 13:08:51,193 INFO L78 Accepts]: Start accepts. Automaton has 6061 states and 7834 transitions. Word has length 379 [2019-09-10 13:08:51,195 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 13:08:51,195 INFO L475 AbstractCegarLoop]: Abstraction has 6061 states and 7834 transitions. [2019-09-10 13:08:51,195 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 13:08:51,195 INFO L276 IsEmpty]: Start isEmpty. Operand 6061 states and 7834 transitions. [2019-09-10 13:08:51,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 381 [2019-09-10 13:08:51,204 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 13:08:51,205 INFO L399 BasicCegarLoop]: trace histogram [16, 16, 16, 16, 16, 16, 16, 16, 13, 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] [2019-09-10 13:08:51,205 INFO L418 AbstractCegarLoop]: === Iteration 5 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 13:08:51,205 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 13:08:51,205 INFO L82 PathProgramCache]: Analyzing trace with hash 46351015, now seen corresponding path program 1 times [2019-09-10 13:08:51,206 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 13:08:51,214 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 13:08:51,214 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 13:08:51,214 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 13:08:51,215 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 13:08:51,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 13:08:51,828 INFO L134 CoverageAnalysis]: Checked inductivity of 1782 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1782 trivial. 0 not checked. [2019-09-10 13:08:51,828 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 13:08:51,829 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 13:08:51,829 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 13:08:51,830 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 13:08:51,831 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 13:08:51,831 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 13:08:51,831 INFO L87 Difference]: Start difference. First operand 6061 states and 7834 transitions. Second operand 3 states. [2019-09-10 13:08:51,992 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 13:08:51,992 INFO L93 Difference]: Finished difference Result 11950 states and 15690 transitions. [2019-09-10 13:08:51,993 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 13:08:51,993 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 380 [2019-09-10 13:08:51,994 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 13:08:52,080 INFO L225 Difference]: With dead ends: 11950 [2019-09-10 13:08:52,080 INFO L226 Difference]: Without dead ends: 11950 [2019-09-10 13:08:52,081 INFO L628 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 [2019-09-10 13:08:52,097 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11950 states. [2019-09-10 13:08:52,379 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11950 to 11932. [2019-09-10 13:08:52,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11932 states. [2019-09-10 13:08:52,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11932 states to 11932 states and 15673 transitions. [2019-09-10 13:08:52,452 INFO L78 Accepts]: Start accepts. Automaton has 11932 states and 15673 transitions. Word has length 380 [2019-09-10 13:08:52,452 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 13:08:52,452 INFO L475 AbstractCegarLoop]: Abstraction has 11932 states and 15673 transitions. [2019-09-10 13:08:52,453 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 13:08:52,453 INFO L276 IsEmpty]: Start isEmpty. Operand 11932 states and 15673 transitions. [2019-09-10 13:08:52,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 382 [2019-09-10 13:08:52,462 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 13:08:52,463 INFO L399 BasicCegarLoop]: trace histogram [16, 16, 16, 16, 16, 16, 16, 16, 13, 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] [2019-09-10 13:08:52,463 INFO L418 AbstractCegarLoop]: === Iteration 6 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 13:08:52,463 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 13:08:52,463 INFO L82 PathProgramCache]: Analyzing trace with hash 1435975660, now seen corresponding path program 1 times [2019-09-10 13:08:52,464 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 13:08:52,468 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 13:08:52,468 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 13:08:52,468 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 13:08:52,468 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 13:08:52,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 13:08:53,154 INFO L134 CoverageAnalysis]: Checked inductivity of 1782 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1782 trivial. 0 not checked. [2019-09-10 13:08:53,155 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 13:08:53,155 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 13:08:53,155 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 13:08:53,156 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 13:08:53,156 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 13:08:53,156 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 13:08:53,157 INFO L87 Difference]: Start difference. First operand 11932 states and 15673 transitions. Second operand 3 states. [2019-09-10 13:08:53,275 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 13:08:53,276 INFO L93 Difference]: Finished difference Result 11931 states and 15671 transitions. [2019-09-10 13:08:53,276 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 13:08:53,276 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 381 [2019-09-10 13:08:53,277 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 13:08:53,324 INFO L225 Difference]: With dead ends: 11931 [2019-09-10 13:08:53,324 INFO L226 Difference]: Without dead ends: 11931 [2019-09-10 13:08:53,325 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 13:08:53,342 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11931 states. [2019-09-10 13:08:53,609 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11931 to 11931. [2019-09-10 13:08:53,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11931 states. [2019-09-10 13:08:53,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11931 states to 11931 states and 15671 transitions. [2019-09-10 13:08:53,671 INFO L78 Accepts]: Start accepts. Automaton has 11931 states and 15671 transitions. Word has length 381 [2019-09-10 13:08:53,672 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 13:08:53,672 INFO L475 AbstractCegarLoop]: Abstraction has 11931 states and 15671 transitions. [2019-09-10 13:08:53,672 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 13:08:53,672 INFO L276 IsEmpty]: Start isEmpty. Operand 11931 states and 15671 transitions. [2019-09-10 13:08:53,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 383 [2019-09-10 13:08:53,685 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 13:08:53,685 INFO L399 BasicCegarLoop]: trace histogram [16, 16, 16, 16, 16, 16, 16, 16, 13, 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] [2019-09-10 13:08:53,686 INFO L418 AbstractCegarLoop]: === Iteration 7 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 13:08:53,686 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 13:08:53,686 INFO L82 PathProgramCache]: Analyzing trace with hash 1564671562, now seen corresponding path program 1 times [2019-09-10 13:08:53,686 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 13:08:53,691 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 13:08:53,691 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 13:08:53,692 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 13:08:53,692 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 13:08:53,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 13:08:54,119 INFO L134 CoverageAnalysis]: Checked inductivity of 1782 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1782 trivial. 0 not checked. [2019-09-10 13:08:54,119 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 13:08:54,119 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 13:08:54,120 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 13:08:54,120 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 13:08:54,120 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 13:08:54,121 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 13:08:54,121 INFO L87 Difference]: Start difference. First operand 11931 states and 15671 transitions. Second operand 3 states. [2019-09-10 13:08:54,263 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 13:08:54,263 INFO L93 Difference]: Finished difference Result 11930 states and 15669 transitions. [2019-09-10 13:08:54,264 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 13:08:54,264 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 382 [2019-09-10 13:08:54,265 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 13:08:54,322 INFO L225 Difference]: With dead ends: 11930 [2019-09-10 13:08:54,322 INFO L226 Difference]: Without dead ends: 11911 [2019-09-10 13:08:54,324 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 13:08:54,341 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11911 states. [2019-09-10 13:08:54,637 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11911 to 11911. [2019-09-10 13:08:54,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11911 states. [2019-09-10 13:08:54,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11911 states to 11911 states and 15645 transitions. [2019-09-10 13:08:54,733 INFO L78 Accepts]: Start accepts. Automaton has 11911 states and 15645 transitions. Word has length 382 [2019-09-10 13:08:54,734 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 13:08:54,734 INFO L475 AbstractCegarLoop]: Abstraction has 11911 states and 15645 transitions. [2019-09-10 13:08:54,735 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 13:08:54,735 INFO L276 IsEmpty]: Start isEmpty. Operand 11911 states and 15645 transitions. [2019-09-10 13:08:54,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 415 [2019-09-10 13:08:54,757 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 13:08:54,757 INFO L399 BasicCegarLoop]: trace histogram [16, 16, 16, 16, 16, 16, 16, 16, 12, 12, 12, 12, 12, 12, 12, 12, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 13:08:54,758 INFO L418 AbstractCegarLoop]: === Iteration 8 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 13:08:54,758 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 13:08:54,758 INFO L82 PathProgramCache]: Analyzing trace with hash -1115887595, now seen corresponding path program 1 times [2019-09-10 13:08:54,759 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 13:08:54,766 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 13:08:54,766 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 13:08:54,766 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 13:08:54,766 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 13:08:55,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 13:08:55,564 INFO L134 CoverageAnalysis]: Checked inductivity of 1680 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1680 trivial. 0 not checked. [2019-09-10 13:08:55,564 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 13:08:55,564 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-10 13:08:55,565 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 13:08:55,566 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-10 13:08:55,566 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-10 13:08:55,567 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2019-09-10 13:08:55,567 INFO L87 Difference]: Start difference. First operand 11911 states and 15645 transitions. Second operand 5 states. [2019-09-10 13:09:01,832 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 13:09:01,833 INFO L93 Difference]: Finished difference Result 23577 states and 31645 transitions. [2019-09-10 13:09:01,833 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-09-10 13:09:01,833 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 414 [2019-09-10 13:09:01,835 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 13:09:02,051 INFO L225 Difference]: With dead ends: 23577 [2019-09-10 13:09:02,051 INFO L226 Difference]: Without dead ends: 23577 [2019-09-10 13:09:02,051 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 3 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2019-09-10 13:09:02,076 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23577 states. [2019-09-10 13:09:02,598 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23577 to 23541. [2019-09-10 13:09:02,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23541 states. [2019-09-10 13:09:02,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23541 states to 23541 states and 31610 transitions. [2019-09-10 13:09:02,683 INFO L78 Accepts]: Start accepts. Automaton has 23541 states and 31610 transitions. Word has length 414 [2019-09-10 13:09:02,683 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 13:09:02,683 INFO L475 AbstractCegarLoop]: Abstraction has 23541 states and 31610 transitions. [2019-09-10 13:09:02,684 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-10 13:09:02,684 INFO L276 IsEmpty]: Start isEmpty. Operand 23541 states and 31610 transitions. [2019-09-10 13:09:02,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 418 [2019-09-10 13:09:02,704 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 13:09:02,705 INFO L399 BasicCegarLoop]: trace histogram [16, 16, 16, 16, 16, 16, 16, 16, 12, 12, 12, 12, 12, 12, 12, 12, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 13:09:02,705 INFO L418 AbstractCegarLoop]: === Iteration 9 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 13:09:02,706 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 13:09:02,706 INFO L82 PathProgramCache]: Analyzing trace with hash 1383687806, now seen corresponding path program 1 times [2019-09-10 13:09:02,707 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 13:09:02,712 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 13:09:02,713 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 13:09:02,713 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 13:09:02,713 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 13:09:02,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 13:09:03,308 INFO L134 CoverageAnalysis]: Checked inductivity of 1680 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1680 trivial. 0 not checked. [2019-09-10 13:09:03,309 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 13:09:03,309 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-09-10 13:09:03,309 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 13:09:03,310 INFO L454 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-09-10 13:09:03,310 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-09-10 13:09:03,311 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2019-09-10 13:09:03,311 INFO L87 Difference]: Start difference. First operand 23541 states and 31610 transitions. Second operand 9 states. [2019-09-10 13:09:15,595 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 13:09:15,595 INFO L93 Difference]: Finished difference Result 47216 states and 64621 transitions. [2019-09-10 13:09:15,596 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-09-10 13:09:15,596 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 417 [2019-09-10 13:09:15,597 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 13:09:15,826 INFO L225 Difference]: With dead ends: 47216 [2019-09-10 13:09:15,826 INFO L226 Difference]: Without dead ends: 47216 [2019-09-10 13:09:15,827 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 2 SyntacticMatches, 3 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=55, Invalid=101, Unknown=0, NotChecked=0, Total=156 [2019-09-10 13:09:15,879 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47216 states. [2019-09-10 13:09:17,778 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47216 to 47121. [2019-09-10 13:09:17,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 47121 states. [2019-09-10 13:09:17,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47121 states to 47121 states and 64528 transitions. [2019-09-10 13:09:17,983 INFO L78 Accepts]: Start accepts. Automaton has 47121 states and 64528 transitions. Word has length 417 [2019-09-10 13:09:17,985 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 13:09:17,985 INFO L475 AbstractCegarLoop]: Abstraction has 47121 states and 64528 transitions. [2019-09-10 13:09:17,985 INFO L476 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-09-10 13:09:17,985 INFO L276 IsEmpty]: Start isEmpty. Operand 47121 states and 64528 transitions. [2019-09-10 13:09:18,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 417 [2019-09-10 13:09:18,001 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 13:09:18,002 INFO L399 BasicCegarLoop]: trace histogram [16, 16, 16, 16, 16, 16, 16, 16, 12, 12, 12, 12, 12, 12, 12, 12, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 13:09:18,002 INFO L418 AbstractCegarLoop]: === Iteration 10 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 13:09:18,004 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 13:09:18,004 INFO L82 PathProgramCache]: Analyzing trace with hash -1790289748, now seen corresponding path program 1 times [2019-09-10 13:09:18,005 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 13:09:18,012 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 13:09:18,012 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 13:09:18,012 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 13:09:18,012 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 13:09:18,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 13:09:18,530 INFO L134 CoverageAnalysis]: Checked inductivity of 1680 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1680 trivial. 0 not checked. [2019-09-10 13:09:18,530 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 13:09:18,531 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-10 13:09:18,531 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 13:09:18,532 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-10 13:09:18,532 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-10 13:09:18,532 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2019-09-10 13:09:18,532 INFO L87 Difference]: Start difference. First operand 47121 states and 64528 transitions. Second operand 5 states. [2019-09-10 13:09:24,543 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 13:09:24,544 INFO L93 Difference]: Finished difference Result 58919 states and 81724 transitions. [2019-09-10 13:09:24,544 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-09-10 13:09:24,544 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 416 [2019-09-10 13:09:24,545 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 13:09:24,802 INFO L225 Difference]: With dead ends: 58919 [2019-09-10 13:09:24,803 INFO L226 Difference]: Without dead ends: 58919 [2019-09-10 13:09:24,803 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 3 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2019-09-10 13:09:24,879 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58919 states. [2019-09-10 13:09:26,021 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58919 to 58875. [2019-09-10 13:09:26,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 58875 states. [2019-09-10 13:09:26,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58875 states to 58875 states and 81681 transitions. [2019-09-10 13:09:26,289 INFO L78 Accepts]: Start accepts. Automaton has 58875 states and 81681 transitions. Word has length 416 [2019-09-10 13:09:26,290 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 13:09:26,290 INFO L475 AbstractCegarLoop]: Abstraction has 58875 states and 81681 transitions. [2019-09-10 13:09:26,290 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-10 13:09:26,290 INFO L276 IsEmpty]: Start isEmpty. Operand 58875 states and 81681 transitions. [2019-09-10 13:09:26,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 416 [2019-09-10 13:09:26,300 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 13:09:26,301 INFO L399 BasicCegarLoop]: trace histogram [16, 16, 16, 16, 16, 16, 16, 16, 12, 12, 12, 12, 12, 12, 12, 12, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 13:09:26,301 INFO L418 AbstractCegarLoop]: === Iteration 11 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 13:09:26,301 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 13:09:26,301 INFO L82 PathProgramCache]: Analyzing trace with hash -827080825, now seen corresponding path program 1 times [2019-09-10 13:09:26,301 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 13:09:26,306 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 13:09:26,306 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 13:09:26,307 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 13:09:26,307 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 13:09:26,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 13:09:28,494 INFO L134 CoverageAnalysis]: Checked inductivity of 1680 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1680 trivial. 0 not checked. [2019-09-10 13:09:28,495 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 13:09:28,495 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-10 13:09:28,495 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 13:09:28,496 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-10 13:09:28,496 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-10 13:09:28,497 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2019-09-10 13:09:28,497 INFO L87 Difference]: Start difference. First operand 58875 states and 81681 transitions. Second operand 5 states. [2019-09-10 13:09:35,309 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 13:09:35,309 INFO L93 Difference]: Finished difference Result 70645 states and 99189 transitions. [2019-09-10 13:09:35,310 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-09-10 13:09:35,310 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 415 [2019-09-10 13:09:35,310 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 13:09:35,647 INFO L225 Difference]: With dead ends: 70645 [2019-09-10 13:09:35,647 INFO L226 Difference]: Without dead ends: 70645 [2019-09-10 13:09:35,649 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 3 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2019-09-10 13:09:35,728 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70645 states. [2019-09-10 13:09:37,313 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70645 to 70585. [2019-09-10 13:09:37,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 70585 states. [2019-09-10 13:09:37,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70585 states to 70585 states and 99130 transitions. [2019-09-10 13:09:37,614 INFO L78 Accepts]: Start accepts. Automaton has 70585 states and 99130 transitions. Word has length 415 [2019-09-10 13:09:37,614 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 13:09:37,615 INFO L475 AbstractCegarLoop]: Abstraction has 70585 states and 99130 transitions. [2019-09-10 13:09:37,615 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-10 13:09:37,615 INFO L276 IsEmpty]: Start isEmpty. Operand 70585 states and 99130 transitions. [2019-09-10 13:09:37,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 451 [2019-09-10 13:09:37,628 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 13:09:37,628 INFO L399 BasicCegarLoop]: trace histogram [16, 16, 16, 16, 16, 16, 16, 16, 12, 12, 12, 12, 12, 12, 12, 12, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 13:09:37,628 INFO L418 AbstractCegarLoop]: === Iteration 12 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 13:09:37,629 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 13:09:37,629 INFO L82 PathProgramCache]: Analyzing trace with hash 44089387, now seen corresponding path program 1 times [2019-09-10 13:09:37,630 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 13:09:37,633 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 13:09:37,633 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 13:09:37,633 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 13:09:37,633 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 13:09:37,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 13:09:38,036 INFO L134 CoverageAnalysis]: Checked inductivity of 1683 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1683 trivial. 0 not checked. [2019-09-10 13:09:38,036 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 13:09:38,037 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-09-10 13:09:38,037 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 13:09:38,037 INFO L454 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-09-10 13:09:38,038 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-09-10 13:09:38,038 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-09-10 13:09:38,039 INFO L87 Difference]: Start difference. First operand 70585 states and 99130 transitions. Second operand 4 states. [2019-09-10 13:09:38,470 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 13:09:38,470 INFO L93 Difference]: Finished difference Result 71042 states and 99755 transitions. [2019-09-10 13:09:38,471 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-09-10 13:09:38,471 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 450 [2019-09-10 13:09:38,472 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 13:09:38,777 INFO L225 Difference]: With dead ends: 71042 [2019-09-10 13:09:38,777 INFO L226 Difference]: Without dead ends: 71042 [2019-09-10 13:09:38,778 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-09-10 13:09:38,867 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71042 states. [2019-09-10 13:09:40,456 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71042 to 70729. [2019-09-10 13:09:40,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 70729 states. [2019-09-10 13:09:40,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70729 states to 70729 states and 99274 transitions. [2019-09-10 13:09:40,659 INFO L78 Accepts]: Start accepts. Automaton has 70729 states and 99274 transitions. Word has length 450 [2019-09-10 13:09:40,660 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 13:09:40,660 INFO L475 AbstractCegarLoop]: Abstraction has 70729 states and 99274 transitions. [2019-09-10 13:09:40,660 INFO L476 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-09-10 13:09:40,660 INFO L276 IsEmpty]: Start isEmpty. Operand 70729 states and 99274 transitions. [2019-09-10 13:09:40,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 451 [2019-09-10 13:09:40,678 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 13:09:40,678 INFO L399 BasicCegarLoop]: trace histogram [16, 16, 16, 16, 16, 16, 16, 16, 12, 12, 12, 12, 12, 12, 12, 12, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 13:09:40,678 INFO L418 AbstractCegarLoop]: === Iteration 13 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 13:09:40,679 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 13:09:40,679 INFO L82 PathProgramCache]: Analyzing trace with hash 745153965, now seen corresponding path program 1 times [2019-09-10 13:09:40,679 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 13:09:40,682 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 13:09:40,682 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 13:09:40,682 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 13:09:40,682 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 13:09:40,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 13:09:41,353 INFO L134 CoverageAnalysis]: Checked inductivity of 1683 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1683 trivial. 0 not checked. [2019-09-10 13:09:41,353 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 13:09:41,353 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-09-10 13:09:41,354 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 13:09:41,354 INFO L454 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-09-10 13:09:41,355 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-09-10 13:09:41,355 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-09-10 13:09:41,355 INFO L87 Difference]: Start difference. First operand 70729 states and 99274 transitions. Second operand 7 states. [2019-09-10 13:09:41,876 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 13:09:41,876 INFO L93 Difference]: Finished difference Result 69307 states and 92372 transitions. [2019-09-10 13:09:41,877 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-09-10 13:09:41,877 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 450 [2019-09-10 13:09:41,878 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 13:09:42,152 INFO L225 Difference]: With dead ends: 69307 [2019-09-10 13:09:42,152 INFO L226 Difference]: Without dead ends: 69307 [2019-09-10 13:09:42,152 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 2 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2019-09-10 13:09:42,213 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69307 states. [2019-09-10 13:09:45,378 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69307 to 69307. [2019-09-10 13:09:45,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 69307 states. [2019-09-10 13:09:45,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69307 states to 69307 states and 92372 transitions. [2019-09-10 13:09:45,544 INFO L78 Accepts]: Start accepts. Automaton has 69307 states and 92372 transitions. Word has length 450 [2019-09-10 13:09:45,545 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 13:09:45,545 INFO L475 AbstractCegarLoop]: Abstraction has 69307 states and 92372 transitions. [2019-09-10 13:09:45,545 INFO L476 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-09-10 13:09:45,545 INFO L276 IsEmpty]: Start isEmpty. Operand 69307 states and 92372 transitions. [2019-09-10 13:09:45,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 467 [2019-09-10 13:09:45,560 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 13:09:45,561 INFO L399 BasicCegarLoop]: trace histogram [16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 13:09:45,561 INFO L418 AbstractCegarLoop]: === Iteration 14 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 13:09:45,561 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 13:09:45,561 INFO L82 PathProgramCache]: Analyzing trace with hash -1949503875, now seen corresponding path program 1 times [2019-09-10 13:09:45,562 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 13:09:45,564 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 13:09:45,565 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 13:09:45,565 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 13:09:45,565 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 13:09:45,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 13:09:45,951 INFO L134 CoverageAnalysis]: Checked inductivity of 2165 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 2160 trivial. 0 not checked. [2019-09-10 13:09:45,951 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 13:09:45,952 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 13:09:45,952 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 13:09:45,952 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 13:09:45,953 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 13:09:45,953 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 13:09:45,953 INFO L87 Difference]: Start difference. First operand 69307 states and 92372 transitions. Second operand 3 states. [2019-09-10 13:09:46,939 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 13:09:46,940 INFO L93 Difference]: Finished difference Result 103108 states and 137304 transitions. [2019-09-10 13:09:46,940 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 13:09:46,940 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 466 [2019-09-10 13:09:46,941 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 13:09:47,247 INFO L225 Difference]: With dead ends: 103108 [2019-09-10 13:09:47,247 INFO L226 Difference]: Without dead ends: 103108 [2019-09-10 13:09:47,248 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 13:09:47,330 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103108 states. [2019-09-10 13:09:48,964 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103108 to 103081. [2019-09-10 13:09:48,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 103081 states. [2019-09-10 13:09:49,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103081 states to 103081 states and 137278 transitions. [2019-09-10 13:09:49,230 INFO L78 Accepts]: Start accepts. Automaton has 103081 states and 137278 transitions. Word has length 466 [2019-09-10 13:09:49,230 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 13:09:49,231 INFO L475 AbstractCegarLoop]: Abstraction has 103081 states and 137278 transitions. [2019-09-10 13:09:49,231 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 13:09:49,231 INFO L276 IsEmpty]: Start isEmpty. Operand 103081 states and 137278 transitions. [2019-09-10 13:09:49,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 486 [2019-09-10 13:09:49,250 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 13:09:49,250 INFO L399 BasicCegarLoop]: trace histogram [16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 13:09:49,250 INFO L418 AbstractCegarLoop]: === Iteration 15 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 13:09:49,251 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 13:09:49,251 INFO L82 PathProgramCache]: Analyzing trace with hash 432048859, now seen corresponding path program 1 times [2019-09-10 13:09:49,251 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 13:09:49,254 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 13:09:49,254 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 13:09:49,254 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 13:09:49,254 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 13:09:49,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 13:09:50,056 WARN L188 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 32 [2019-09-10 13:09:50,248 INFO L134 CoverageAnalysis]: Checked inductivity of 2180 backedges. 7 proven. 98 refuted. 0 times theorem prover too weak. 2075 trivial. 0 not checked. [2019-09-10 13:09:50,248 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-10 13:09:50,248 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-09-10 13:09:50,250 INFO L205 CegarAbsIntRunner]: Running AI on error trace of length 486 with the following transitions: [2019-09-10 13:09:50,254 INFO L207 CegarAbsIntRunner]: [107], [109], [111], [112], [202], [208], [209], [210], [211], [263], [399], [401], [402], [480], [559], [565], [566], [603], [605], [606], [725], [726], [841], [843], [844], [1315], [1317], [1318], [1323], [1329], [1332], [1335], [1488], [1493], [1500], [1502], [1505], [1683], [1684], [1718], [1719], [1809], [1967], [1968], [1975], [1976], [1991], [1992], [2337], [2339], [2340], [2395], [2397], [2398], [2541], [2543], [2545], [2547], [2549], [2551], [2553], [2555], [2557], [2559], [2561], [2563], [2565], [2568], [2570], [2572], [2574], [2576], [2578], [2580], [2582], [2584], [2586], [2588], [2590], [2592], [2594], [2596], [2598], [2600], [2602], [2604], [2606], [2909], [2961], [2973], [2976], [2979], [2991], [2994], [2997], [2999], [3002], [3004], [3013], [3032], [3044], [3056], [3059], [3062], [3065], [3068], [3075], [3088], [3101], [3104], [3107], [3109], [3245], [3247], [3249], [3250], [3289], [3290], [3313], [3316], [3766], [3768], [3769], [3855], [3857], [3861], [3974], [3975], [3976], [3977], [4020], [4054], [4055], [4078], [4079], [4188], [4189], [4286], [4287], [4290], [4291], [4328], [4584], [4585], [4600], [4601], [4654], [4655], [4656], [4657], [4658], [4659], [4660], [4661], [4662], [4663], [4664], [4665], [4666], [4667], [4668], [4669], [4670], [4671], [4672], [4673], [4674], [4675], [4676], [4677], [4678], [4679], [4680], [4681], [4682], [4683], [4684], [4685], [4686], [4687], [4688], [4689], [4690], [4691], [4692], [4693], [4694], [4695], [4696], [4697], [4698], [4699], [4700], [4701], [4702], [4703], [4704], [4705], [4706], [4707], [4708], [4709], [4710], [4711], [4712], [4713], [4714], [4715], [4716], [4717], [4782], [4783], [4784], [4785], [4786], [4787], [4794], [4800], [4801], [4838], [4839], [4840], [4841], [4862], [4982], [4983], [5014], [5015], [5016], [5018], [5019], [5020] [2019-09-10 13:09:50,323 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2019-09-10 13:09:50,323 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-09-10 13:09:50,508 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2019-09-10 13:09:50,510 INFO L272 AbstractInterpreter]: Visited 2 different actions 2 times. Never merged. Never widened. Performed 302 root evaluator evaluations with a maximum evaluation depth of 0. Performed 302 inverse root evaluator evaluations with a maximum inverse evaluation depth of 0. Never found a fixpoint. Largest state had 530 variables. [2019-09-10 13:09:50,515 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 13:09:50,516 INFO L403 sIntCurrentIteration]: Generating AbsInt predicates [2019-09-10 13:09:50,681 INFO L219 lantSequenceWeakener]: Could never weaken! [2019-09-10 13:09:50,681 INFO L418 sIntCurrentIteration]: Unifying AI predicates [2019-09-10 13:09:50,690 INFO L420 sIntCurrentIteration]: We unified 484 AI predicates to 484 [2019-09-10 13:09:50,691 INFO L429 sIntCurrentIteration]: Finished generation of AbsInt predicates [2019-09-10 13:09:50,691 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-09-10 13:09:50,692 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [6] total 6 [2019-09-10 13:09:50,692 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 13:09:50,693 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-09-10 13:09:50,693 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-09-10 13:09:50,694 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-10 13:09:50,694 INFO L87 Difference]: Start difference. First operand 103081 states and 137278 transitions. Second operand 2 states. [2019-09-10 13:09:50,695 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 13:09:50,695 INFO L93 Difference]: Finished difference Result 2 states and 1 transitions. [2019-09-10 13:09:50,695 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-09-10 13:09:50,695 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 485 [2019-09-10 13:09:50,695 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 13:09:50,695 INFO L225 Difference]: With dead ends: 2 [2019-09-10 13:09:50,695 INFO L226 Difference]: Without dead ends: 0 [2019-09-10 13:09:50,696 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 484 GetRequests, 484 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-10 13:09:50,696 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-09-10 13:09:50,696 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-09-10 13:09:50,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-09-10 13:09:50,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-09-10 13:09:50,697 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 485 [2019-09-10 13:09:50,697 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 13:09:50,697 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-09-10 13:09:50,697 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-09-10 13:09:50,697 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-09-10 13:09:50,697 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-09-10 13:09:50,703 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.09 01:09:50 BoogieIcfgContainer [2019-09-10 13:09:50,703 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-09-10 13:09:50,705 INFO L168 Benchmark]: Toolchain (without parser) took 82627.40 ms. Allocated memory was 137.9 MB in the beginning and 2.5 GB in the end (delta: 2.4 GB). Free memory was 74.7 MB in the beginning and 472.1 MB in the end (delta: -397.4 MB). Peak memory consumption was 2.0 GB. Max. memory is 7.1 GB. [2019-09-10 13:09:50,706 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 137.9 MB. Free memory was 104.0 MB in the beginning and 103.8 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-09-10 13:09:50,707 INFO L168 Benchmark]: CACSL2BoogieTranslator took 3544.32 ms. Allocated memory was 137.9 MB in the beginning and 273.2 MB in the end (delta: 135.3 MB). Free memory was 74.5 MB in the beginning and 81.3 MB in the end (delta: -6.8 MB). Peak memory consumption was 128.6 MB. Max. memory is 7.1 GB. [2019-09-10 13:09:50,707 INFO L168 Benchmark]: Boogie Preprocessor took 444.24 ms. Allocated memory was 273.2 MB in the beginning and 281.5 MB in the end (delta: 8.4 MB). Free memory was 81.3 MB in the beginning and 209.5 MB in the end (delta: -128.1 MB). Peak memory consumption was 27.8 MB. Max. memory is 7.1 GB. [2019-09-10 13:09:50,708 INFO L168 Benchmark]: RCFGBuilder took 12780.09 ms. Allocated memory was 281.5 MB in the beginning and 453.5 MB in the end (delta: 172.0 MB). Free memory was 209.5 MB in the beginning and 283.5 MB in the end (delta: -74.0 MB). Peak memory consumption was 355.1 MB. Max. memory is 7.1 GB. [2019-09-10 13:09:50,712 INFO L168 Benchmark]: TraceAbstraction took 65853.27 ms. Allocated memory was 453.5 MB in the beginning and 2.5 GB in the end (delta: 2.0 GB). Free memory was 283.5 MB in the beginning and 472.1 MB in the end (delta: -188.6 MB). Peak memory consumption was 1.9 GB. Max. memory is 7.1 GB. [2019-09-10 13:09:50,716 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 137.9 MB. Free memory was 104.0 MB in the beginning and 103.8 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 3544.32 ms. Allocated memory was 137.9 MB in the beginning and 273.2 MB in the end (delta: 135.3 MB). Free memory was 74.5 MB in the beginning and 81.3 MB in the end (delta: -6.8 MB). Peak memory consumption was 128.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 444.24 ms. Allocated memory was 273.2 MB in the beginning and 281.5 MB in the end (delta: 8.4 MB). Free memory was 81.3 MB in the beginning and 209.5 MB in the end (delta: -128.1 MB). Peak memory consumption was 27.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 12780.09 ms. Allocated memory was 281.5 MB in the beginning and 453.5 MB in the end (delta: 172.0 MB). Free memory was 209.5 MB in the beginning and 283.5 MB in the end (delta: -74.0 MB). Peak memory consumption was 355.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 65853.27 ms. Allocated memory was 453.5 MB in the beginning and 2.5 GB in the end (delta: 2.0 GB). Free memory was 283.5 MB in the beginning and 472.1 MB in the end (delta: -188.6 MB). Peak memory consumption was 1.9 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 7815]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 287 procedures, 2338 locations, 1 error locations. SAFE Result, 65.7s OverallTime, 15 OverallIterations, 16 TraceHistogramMax, 37.4s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 34747 SDtfs, 28021 SDslu, 48487 SDs, 0 SdLazy, 8469 SolverSat, 1036 SolverUnsat, 4 SolverUnknown, 0 SolverNotchecked, 28.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 564 GetRequests, 512 SyntacticMatches, 14 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=103081occurred in iteration=14, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.2s AbstIntTime, 1 AbstIntIterations, 1 AbstIntStrong, 1.0 AbsIntWeakeningRatio, 2.809917355371901 AbsIntAvgWeakeningVarsNumRemoved, 0.0 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 15.5s AutomataMinimizationTime, 15 MinimizatonAttempts, 625 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.4s SsaConstructionTime, 2.4s SatisfiabilityAnalysisTime, 4.5s InterpolantComputationTime, 6131 NumberOfCodeBlocks, 6131 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 6116 ConstructedInterpolants, 0 QuantifiedInterpolants, 3022897 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 15 InterpolantComputations, 14 PerfectInterpolantSequences, 26591/26689 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...