java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/ldv-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 0.1.24-673a906-m [2019-10-02 09:26:59,735 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-02 09:26:59,737 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-02 09:26:59,749 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-02 09:26:59,749 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-02 09:26:59,750 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-02 09:26:59,751 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-02 09:26:59,753 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-02 09:26:59,755 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-02 09:26:59,755 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-02 09:26:59,756 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-02 09:26:59,757 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-02 09:26:59,758 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-02 09:26:59,759 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-02 09:26:59,760 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-02 09:26:59,761 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-02 09:26:59,761 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-02 09:26:59,762 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-02 09:26:59,764 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-02 09:26:59,766 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-02 09:26:59,768 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-02 09:26:59,769 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-02 09:26:59,770 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-02 09:26:59,771 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-02 09:26:59,773 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-02 09:26:59,773 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-02 09:26:59,774 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-02 09:26:59,775 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-02 09:26:59,775 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-02 09:26:59,776 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-02 09:26:59,776 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-02 09:26:59,777 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-02 09:26:59,778 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-02 09:26:59,779 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-02 09:26:59,780 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-02 09:26:59,780 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-02 09:26:59,781 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-02 09:26:59,781 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-02 09:26:59,781 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-02 09:26:59,782 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-02 09:26:59,782 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-02 09:26:59,783 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-02 09:26:59,798 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-02 09:26:59,799 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-02 09:26:59,800 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-02 09:26:59,800 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-02 09:26:59,800 INFO L138 SettingsManager]: * Use SBE=true [2019-10-02 09:26:59,800 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-02 09:26:59,801 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-02 09:26:59,801 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-02 09:26:59,801 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-02 09:26:59,801 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-02 09:26:59,801 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-02 09:26:59,801 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-02 09:26:59,802 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-02 09:26:59,802 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-02 09:26:59,802 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-02 09:26:59,802 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-02 09:26:59,802 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-02 09:26:59,803 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-02 09:26:59,803 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-02 09:26:59,803 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-02 09:26:59,803 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-02 09:26:59,803 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-02 09:26:59,804 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-02 09:26:59,804 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-02 09:26:59,804 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-02 09:26:59,804 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-02 09:26:59,804 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-02 09:26:59,805 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-02 09:26:59,805 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-02 09:26:59,846 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-02 09:26:59,855 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-02 09:26:59,860 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-02 09:26:59,861 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-02 09:26:59,861 INFO L275 PluginConnector]: CDTParser initialized [2019-10-02 09:26:59,862 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--video--fbdev--udlfb.ko-entry_point.cil.out.i [2019-10-02 09:26:59,941 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/52a0c7a55/d71d04b7566b4d588b3472704cb5e82b/FLAG79f5587d2 [2019-10-02 09:27:00,827 INFO L306 CDTParser]: Found 1 translation units. [2019-10-02 09:27:00,828 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--video--fbdev--udlfb.ko-entry_point.cil.out.i [2019-10-02 09:27:00,875 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/52a0c7a55/d71d04b7566b4d588b3472704cb5e82b/FLAG79f5587d2 [2019-10-02 09:27:01,242 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/52a0c7a55/d71d04b7566b4d588b3472704cb5e82b [2019-10-02 09:27:01,255 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-02 09:27:01,256 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-02 09:27:01,258 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-02 09:27:01,258 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-02 09:27:01,261 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-02 09:27:01,262 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.10 09:27:01" (1/1) ... [2019-10-02 09:27:01,265 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3030c171 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 09:27:01, skipping insertion in model container [2019-10-02 09:27:01,266 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.10 09:27:01" (1/1) ... [2019-10-02 09:27:01,273 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-02 09:27:01,424 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-02 09:27:03,620 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-02 09:27:03,654 INFO L188 MainTranslator]: Completed pre-run [2019-10-02 09:27:04,080 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-02 09:27:04,658 INFO L192 MainTranslator]: Completed translation [2019-10-02 09:27:04,659 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 09:27:04 WrapperNode [2019-10-02 09:27:04,659 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-02 09:27:04,660 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-02 09:27:04,660 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-02 09:27:04,661 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-02 09:27:04,681 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 09:27:04" (1/1) ... [2019-10-02 09:27:04,681 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 09:27:04" (1/1) ... [2019-10-02 09:27:04,822 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 09:27:04" (1/1) ... [2019-10-02 09:27:04,827 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 09:27:04" (1/1) ... [2019-10-02 09:27:05,008 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 09:27:04" (1/1) ... [2019-10-02 09:27:05,036 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 09:27:04" (1/1) ... [2019-10-02 09:27:05,071 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 09:27:04" (1/1) ... [2019-10-02 09:27:05,102 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-02 09:27:05,103 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-02 09:27:05,103 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-02 09:27:05,103 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-02 09:27:05,104 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 09:27:04" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-02 09:27:05,180 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-02 09:27:05,180 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-02 09:27:05,181 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2019-10-02 09:27:05,181 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2019-10-02 09:27:05,182 INFO L138 BoogieDeclarations]: Found implementation of procedure __swab16p [2019-10-02 09:27:05,182 INFO L138 BoogieDeclarations]: Found implementation of procedure __cpu_to_be16p [2019-10-02 09:27:05,183 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2019-10-02 09:27:05,183 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2019-10-02 09:27:05,184 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del_init [2019-10-02 09:27:05,185 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2019-10-02 09:27:05,185 INFO L138 BoogieDeclarations]: Found implementation of procedure paravirt_read_tsc [2019-10-02 09:27:05,185 INFO L138 BoogieDeclarations]: Found implementation of procedure prefetchw [2019-10-02 09:27:05,187 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2019-10-02 09:27:05,187 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2019-10-02 09:27:05,188 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_add [2019-10-02 09:27:05,188 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_sub_and_test [2019-10-02 09:27:05,191 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_add_return [2019-10-02 09:27:05,191 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-10-02 09:27:05,191 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-10-02 09:27:05,192 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2019-10-02 09:27:05,192 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2019-10-02 09:27:05,192 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2019-10-02 09:27:05,193 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ptr [2019-10-02 09:27:05,193 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2019-10-02 09:27:05,194 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2019-10-02 09:27:05,194 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2019-10-02 09:27:05,194 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2019-10-02 09:27:05,194 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2019-10-02 09:27:05,194 INFO L138 BoogieDeclarations]: Found implementation of procedure get_cycles [2019-10-02 09:27:05,194 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work [2019-10-02 09:27:05,194 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_delayed_work [2019-10-02 09:27:05,195 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2019-10-02 09:27:05,195 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2019-10-02 09:27:05,195 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_init [2019-10-02 09:27:05,195 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_get [2019-10-02 09:27:05,195 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_sub [2019-10-02 09:27:05,195 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_put [2019-10-02 09:27:05,195 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2019-10-02 09:27:05,196 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2019-10-02 09:27:05,196 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2019-10-02 09:27:05,196 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2019-10-02 09:27:05,196 INFO L138 BoogieDeclarations]: Found implementation of procedure sema_init [2019-10-02 09:27:05,196 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intfdata [2019-10-02 09:27:05,196 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2019-10-02 09:27:05,196 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2019-10-02 09:27:05,197 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_bulk_urb [2019-10-02 09:27:05,197 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2019-10-02 09:27:05,197 INFO L138 BoogieDeclarations]: Found implementation of procedure prefetch_range [2019-10-02 09:27:05,197 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_set_register [2019-10-02 09:27:05,197 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_vidreg_lock [2019-10-02 09:27:05,197 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_vidreg_unlock [2019-10-02 09:27:05,198 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_blanking [2019-10-02 09:27:05,198 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_set_color_depth [2019-10-02 09:27:05,198 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_set_base16bpp [2019-10-02 09:27:05,198 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_set_base8bpp [2019-10-02 09:27:05,198 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_set_register_16 [2019-10-02 09:27:05,198 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_set_register_16be [2019-10-02 09:27:05,199 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_lfsr16 [2019-10-02 09:27:05,199 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_set_register_lfsr16 [2019-10-02 09:27:05,199 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_set_vid_cmds [2019-10-02 09:27:05,199 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_set_video_mode [2019-10-02 09:27:05,200 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_ops_mmap [2019-10-02 09:27:05,200 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_trim_hline [2019-10-02 09:27:05,200 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_compress_hline [2019-10-02 09:27:05,200 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_render_hline [2019-10-02 09:27:05,200 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_handle_damage [2019-10-02 09:27:05,200 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_ops_write [2019-10-02 09:27:05,201 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_ops_copyarea [2019-10-02 09:27:05,201 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_ops_imageblit [2019-10-02 09:27:05,201 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_ops_fillrect [2019-10-02 09:27:05,201 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_dpy_deferred_io [2019-10-02 09:27:05,201 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_get_edid [2019-10-02 09:27:05,201 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_ops_ioctl [2019-10-02 09:27:05,202 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_ops_setcolreg [2019-10-02 09:27:05,202 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_ops_open [2019-10-02 09:27:05,203 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_free [2019-10-02 09:27:05,203 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_release_urb_work [2019-10-02 09:27:05,203 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_free_framebuffer [2019-10-02 09:27:05,204 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_free_framebuffer_work [2019-10-02 09:27:05,204 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_ops_release [2019-10-02 09:27:05,204 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_is_valid_mode [2019-10-02 09:27:05,204 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_var_color_format [2019-10-02 09:27:05,205 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_ops_check_var [2019-10-02 09:27:05,205 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_ops_set_par [2019-10-02 09:27:05,205 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_dummy_render [2019-10-02 09:27:05,205 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_ops_blank [2019-10-02 09:27:05,205 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_realloc_framebuffer [2019-10-02 09:27:05,206 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_setup_modes [2019-10-02 09:27:05,206 INFO L138 BoogieDeclarations]: Found implementation of procedure metrics_bytes_rendered_show [2019-10-02 09:27:05,206 INFO L138 BoogieDeclarations]: Found implementation of procedure metrics_bytes_identical_show [2019-10-02 09:27:05,207 INFO L138 BoogieDeclarations]: Found implementation of procedure metrics_bytes_sent_show [2019-10-02 09:27:05,207 INFO L138 BoogieDeclarations]: Found implementation of procedure metrics_cpu_kcycles_used_show [2019-10-02 09:27:05,207 INFO L138 BoogieDeclarations]: Found implementation of procedure edid_show [2019-10-02 09:27:05,208 INFO L138 BoogieDeclarations]: Found implementation of procedure edid_store [2019-10-02 09:27:05,208 INFO L138 BoogieDeclarations]: Found implementation of procedure metrics_reset_store [2019-10-02 09:27:05,208 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_select_std_channel [2019-10-02 09:27:05,208 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_parse_vendor_descriptor [2019-10-02 09:27:05,208 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_usb_probe [2019-10-02 09:27:05,209 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_init_framebuffer_work [2019-10-02 09:27:05,209 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_usb_disconnect [2019-10-02 09:27:05,209 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_driver_init [2019-10-02 09:27:05,209 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_driver_exit [2019-10-02 09:27:05,209 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_urb_completion [2019-10-02 09:27:05,209 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_free_urb_list [2019-10-02 09:27:05,209 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_alloc_urb_list [2019-10-02 09:27:05,210 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_get_urb [2019-10-02 09:27:05,210 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_submit_urb [2019-10-02 09:27:05,210 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_bin_attribute_5 [2019-10-02 09:27:05,210 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_work_3 [2019-10-02 09:27:05,210 INFO L138 BoogieDeclarations]: Found implementation of procedure work_init_3 [2019-10-02 09:27:05,210 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_work_1 [2019-10-02 09:27:05,211 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_work_3 [2019-10-02 09:27:05,211 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_work_2 [2019-10-02 09:27:05,211 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_work_1 [2019-10-02 09:27:05,211 INFO L138 BoogieDeclarations]: Found implementation of procedure invoke_work_3 [2019-10-02 09:27:05,212 INFO L138 BoogieDeclarations]: Found implementation of procedure work_init_2 [2019-10-02 09:27:05,212 INFO L138 BoogieDeclarations]: Found implementation of procedure work_init_1 [2019-10-02 09:27:05,212 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_driver_4 [2019-10-02 09:27:05,212 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_all_2 [2019-10-02 09:27:05,212 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_all_1 [2019-10-02 09:27:05,213 INFO L138 BoogieDeclarations]: Found implementation of procedure invoke_work_1 [2019-10-02 09:27:05,213 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_2 [2019-10-02 09:27:05,213 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_3 [2019-10-02 09:27:05,213 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_all_3 [2019-10-02 09:27:05,214 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_1 [2019-10-02 09:27:05,214 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_work_2 [2019-10-02 09:27:05,214 INFO L138 BoogieDeclarations]: Found implementation of procedure invoke_work_2 [2019-10-02 09:27:05,215 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_fb_ops_6 [2019-10-02 09:27:05,215 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-02 09:27:05,215 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_queue_work_on_5 [2019-10-02 09:27:05,215 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_queue_delayed_work_on_6 [2019-10-02 09:27:05,215 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_queue_work_on_7 [2019-10-02 09:27:05,216 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_flush_workqueue_8 [2019-10-02 09:27:05,216 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_queue_delayed_work_on_9 [2019-10-02 09:27:05,216 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_10 [2019-10-02 09:27:05,216 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_11 [2019-10-02 09:27:05,216 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_12 [2019-10-02 09:27:05,216 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_13 [2019-10-02 09:27:05,217 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_14 [2019-10-02 09:27:05,217 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_15 [2019-10-02 09:27:05,221 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_16 [2019-10-02 09:27:05,221 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_17 [2019-10-02 09:27:05,222 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_18 [2019-10-02 09:27:05,222 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_19 [2019-10-02 09:27:05,230 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_20 [2019-10-02 09:27:05,230 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_21 [2019-10-02 09:27:05,230 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_register_driver_22 [2019-10-02 09:27:05,230 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_deregister_23 [2019-10-02 09:27:05,230 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2019-10-02 09:27:05,230 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int_negative [2019-10-02 09:27:05,231 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2019-10-02 09:27:05,231 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2019-10-02 09:27:05,231 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2019-10-02 09:27:05,231 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2019-10-02 09:27:05,231 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_i_mutex_of_inode [2019-10-02 09:27:05,232 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_i_mutex_of_inode [2019-10-02 09:27:05,232 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_i_mutex_of_inode [2019-10-02 09:27:05,232 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_i_mutex_of_inode [2019-10-02 09:27:05,232 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_i_mutex_of_inode [2019-10-02 09:27:05,233 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_i_mutex_of_inode [2019-10-02 09:27:05,233 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_i_mutex_of_inode [2019-10-02 09:27:05,233 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_i_mutex_of_inode [2019-10-02 09:27:05,233 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_trylock_device_i_mutex_of_inode [2019-10-02 09:27:05,233 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_for_reset_i_mutex_of_inode [2019-10-02 09:27:05,233 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_unlock_device_i_mutex_of_inode [2019-10-02 09:27:05,233 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_lock [2019-10-02 09:27:05,233 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_lock [2019-10-02 09:27:05,233 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock [2019-10-02 09:27:05,234 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_lock [2019-10-02 09:27:05,234 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_lock [2019-10-02 09:27:05,234 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_lock [2019-10-02 09:27:05,234 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock [2019-10-02 09:27:05,234 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_lock [2019-10-02 09:27:05,234 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_trylock_device_lock [2019-10-02 09:27:05,234 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_for_reset_lock [2019-10-02 09:27:05,235 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_unlock_device_lock [2019-10-02 09:27:05,235 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_lock_of_fb_info [2019-10-02 09:27:05,235 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_lock_of_fb_info [2019-10-02 09:27:05,235 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock_of_fb_info [2019-10-02 09:27:05,235 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_lock_of_fb_info [2019-10-02 09:27:05,235 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_lock_of_fb_info [2019-10-02 09:27:05,235 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_lock_of_fb_info [2019-10-02 09:27:05,235 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock_of_fb_info [2019-10-02 09:27:05,236 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_lock_of_fb_info [2019-10-02 09:27:05,236 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_trylock_device_lock_of_fb_info [2019-10-02 09:27:05,236 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_for_reset_lock_of_fb_info [2019-10-02 09:27:05,236 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_unlock_device_lock_of_fb_info [2019-10-02 09:27:05,236 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_mutex_of_device [2019-10-02 09:27:05,236 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_mutex_of_device [2019-10-02 09:27:05,236 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mutex_of_device [2019-10-02 09:27:05,236 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_mutex_of_device [2019-10-02 09:27:05,237 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2019-10-02 09:27:05,237 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_mutex_of_device [2019-10-02 09:27:05,237 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex_of_device [2019-10-02 09:27:05,237 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_mutex_of_device [2019-10-02 09:27:05,237 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_trylock_device_mutex_of_device [2019-10-02 09:27:05,237 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_for_reset_mutex_of_device [2019-10-02 09:27:05,237 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_unlock_device_mutex_of_device [2019-10-02 09:27:05,237 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_update_lock_of_backlight_device [2019-10-02 09:27:05,238 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_update_lock_of_backlight_device [2019-10-02 09:27:05,238 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_update_lock_of_backlight_device [2019-10-02 09:27:05,238 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_update_lock_of_backlight_device [2019-10-02 09:27:05,238 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_update_lock_of_backlight_device [2019-10-02 09:27:05,238 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_update_lock_of_backlight_device [2019-10-02 09:27:05,238 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_update_lock_of_backlight_device [2019-10-02 09:27:05,238 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_update_lock_of_backlight_device [2019-10-02 09:27:05,238 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_trylock_device_update_lock_of_backlight_device [2019-10-02 09:27:05,239 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_for_reset_update_lock_of_backlight_device [2019-10-02 09:27:05,239 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_unlock_device_update_lock_of_backlight_device [2019-10-02 09:27:05,239 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-10-02 09:27:05,239 INFO L138 BoogieDeclarations]: Found implementation of procedure __copy_from_user_overflow [2019-10-02 09:27:05,239 INFO L138 BoogieDeclarations]: Found implementation of procedure __copy_to_user_overflow [2019-10-02 09:27:05,239 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2019-10-02 09:27:05,239 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2019-10-02 09:27:05,240 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2019-10-02 09:27:05,240 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_del_entry [2019-10-02 09:27:05,240 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_fault [2019-10-02 09:27:05,240 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2019-10-02 09:27:05,240 INFO L138 BoogieDeclarations]: Found implementation of procedure __usb_get_extra_descriptor [2019-10-02 09:27:05,240 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2019-10-02 09:27:05,240 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2019-10-02 09:27:05,240 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2019-10-02 09:27:05,241 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irqrestore [2019-10-02 09:27:05,241 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2019-10-02 09:27:05,241 INFO L138 BoogieDeclarations]: Found implementation of procedure device_create_bin_file [2019-10-02 09:27:05,241 INFO L138 BoogieDeclarations]: Found implementation of procedure device_create_file [2019-10-02 09:27:05,241 INFO L138 BoogieDeclarations]: Found implementation of procedure device_remove_bin_file [2019-10-02 09:27:05,241 INFO L138 BoogieDeclarations]: Found implementation of procedure device_remove_file [2019-10-02 09:27:05,241 INFO L138 BoogieDeclarations]: Found implementation of procedure down_interruptible [2019-10-02 09:27:05,241 INFO L138 BoogieDeclarations]: Found implementation of procedure down_timeout [2019-10-02 09:27:05,242 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_add_videomode [2019-10-02 09:27:05,242 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_alloc_cmap [2019-10-02 09:27:05,242 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_dealloc_cmap [2019-10-02 09:27:05,242 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_deferred_io_cleanup [2019-10-02 09:27:05,242 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_deferred_io_init [2019-10-02 09:27:05,242 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_destroy_modedb [2019-10-02 09:27:05,242 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_destroy_modelist [2019-10-02 09:27:05,242 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_edid_to_monspecs [2019-10-02 09:27:05,243 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_find_best_display [2019-10-02 09:27:05,243 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_find_nearest_mode [2019-10-02 09:27:05,243 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_sys_read [2019-10-02 09:27:05,243 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_sys_write [2019-10-02 09:27:05,243 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_var_to_videomode [2019-10-02 09:27:05,243 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_videomode_to_var [2019-10-02 09:27:05,243 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_workqueue [2019-10-02 09:27:05,243 INFO L138 BoogieDeclarations]: Found implementation of procedure framebuffer_alloc [2019-10-02 09:27:05,244 INFO L138 BoogieDeclarations]: Found implementation of procedure framebuffer_release [2019-10-02 09:27:05,244 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2019-10-02 09:27:05,244 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-10-02 09:27:05,244 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_probe_5 [2019-10-02 09:27:05,244 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_probe_6 [2019-10-02 09:27:05,244 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_5 [2019-10-02 09:27:05,244 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_6 [2019-10-02 09:27:05,244 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2019-10-02 09:27:05,245 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2019-10-02 09:27:05,245 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_trylock [2019-10-02 09:27:05,245 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2019-10-02 09:27:05,245 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2019-10-02 09:27:05,245 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work_on [2019-10-02 09:27:05,245 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2019-10-02 09:27:05,245 INFO L138 BoogieDeclarations]: Found implementation of procedure register_framebuffer [2019-10-02 09:27:05,246 INFO L138 BoogieDeclarations]: Found implementation of procedure remap_pfn_range [2019-10-02 09:27:05,246 INFO L138 BoogieDeclarations]: Found implementation of procedure sys_copyarea [2019-10-02 09:27:05,246 INFO L138 BoogieDeclarations]: Found implementation of procedure sys_fillrect [2019-10-02 09:27:05,246 INFO L138 BoogieDeclarations]: Found implementation of procedure sys_imageblit [2019-10-02 09:27:05,246 INFO L138 BoogieDeclarations]: Found implementation of procedure unlink_framebuffer [2019-10-02 09:27:05,247 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_framebuffer [2019-10-02 09:27:05,252 INFO L138 BoogieDeclarations]: Found implementation of procedure up [2019-10-02 09:27:05,252 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_coherent [2019-10-02 09:27:05,252 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2019-10-02 09:27:05,252 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2019-10-02 09:27:05,252 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_deregister [2019-10-02 09:27:05,256 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_coherent [2019-10-02 09:27:05,256 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2019-10-02 09:27:05,256 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_descriptor [2019-10-02 09:27:05,256 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register_driver [2019-10-02 09:27:05,256 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2019-10-02 09:27:05,256 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2019-10-02 09:27:05,257 INFO L138 BoogieDeclarations]: Found implementation of procedure vmalloc [2019-10-02 09:27:05,257 INFO L138 BoogieDeclarations]: Found implementation of procedure vmalloc_to_pfn [2019-10-02 09:27:05,257 INFO L138 BoogieDeclarations]: Found implementation of procedure vzalloc [2019-10-02 09:27:05,257 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2019-10-02 09:27:05,257 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-10-02 09:27:05,257 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-10-02 09:27:05,258 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-10-02 09:27:05,258 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-10-02 09:27:05,258 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-10-02 09:27:05,258 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-02 09:27:05,258 INFO L130 BoogieDeclarations]: Found specification of procedure __builtin_prefetch [2019-10-02 09:27:05,258 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2019-10-02 09:27:05,259 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2019-10-02 09:27:05,259 INFO L130 BoogieDeclarations]: Found specification of procedure __swab16p [2019-10-02 09:27:05,259 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-02 09:27:05,259 INFO L130 BoogieDeclarations]: Found specification of procedure __cpu_to_be16p [2019-10-02 09:27:05,259 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2019-10-02 09:27:05,259 INFO L130 BoogieDeclarations]: Found specification of procedure __might_fault [2019-10-02 09:27:05,259 INFO L130 BoogieDeclarations]: Found specification of procedure snprintf [2019-10-02 09:27:05,259 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2019-10-02 09:27:05,259 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-02 09:27:05,260 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2019-10-02 09:27:05,260 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2019-10-02 09:27:05,260 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-02 09:27:05,260 INFO L130 BoogieDeclarations]: Found specification of procedure __list_del_entry [2019-10-02 09:27:05,260 INFO L130 BoogieDeclarations]: Found specification of procedure list_del_init [2019-10-02 09:27:05,260 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2019-10-02 09:27:05,260 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-10-02 09:27:05,260 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-10-02 09:27:05,260 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2019-10-02 09:27:05,261 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2019-10-02 09:27:05,261 INFO L130 BoogieDeclarations]: Found specification of procedure paravirt_read_tsc [2019-10-02 09:27:05,261 INFO L130 BoogieDeclarations]: Found specification of procedure prefetchw [2019-10-02 09:27:05,261 INFO L130 BoogieDeclarations]: Found specification of procedure __xadd_wrong_size [2019-10-02 09:27:05,261 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2019-10-02 09:27:05,261 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2019-10-02 09:27:05,261 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-02 09:27:05,261 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_add [2019-10-02 09:27:05,261 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_sub_and_test [2019-10-02 09:27:05,262 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_add_return [2019-10-02 09:27:05,262 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2019-10-02 09:27:05,262 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_trylock [2019-10-02 09:27:05,262 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_13 [2019-10-02 09:27:05,262 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2019-10-02 09:27:05,262 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_11 [2019-10-02 09:27:05,262 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_14 [2019-10-02 09:27:05,262 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_15 [2019-10-02 09:27:05,262 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_18 [2019-10-02 09:27:05,263 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_19 [2019-10-02 09:27:05,263 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_21 [2019-10-02 09:27:05,263 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-02 09:27:05,263 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-10-02 09:27:05,263 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-02 09:27:05,263 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-10-02 09:27:05,263 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-10-02 09:27:05,263 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-10-02 09:27:05,263 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-10-02 09:27:05,264 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-02 09:27:05,264 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-10-02 09:27:05,264 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-10-02 09:27:05,264 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2019-10-02 09:27:05,264 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2019-10-02 09:27:05,264 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-10-02 09:27:05,264 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2019-10-02 09:27:05,264 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ptr [2019-10-02 09:27:05,264 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2019-10-02 09:27:05,265 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2019-10-02 09:27:05,265 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2019-10-02 09:27:05,265 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_10 [2019-10-02 09:27:05,265 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_12 [2019-10-02 09:27:05,265 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_16 [2019-10-02 09:27:05,265 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_17 [2019-10-02 09:27:05,265 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_20 [2019-10-02 09:27:05,265 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_i_mutex_of_inode [2019-10-02 09:27:05,265 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_i_mutex_of_inode [2019-10-02 09:27:05,266 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock [2019-10-02 09:27:05,266 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock [2019-10-02 09:27:05,266 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock_of_fb_info [2019-10-02 09:27:05,266 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock_of_fb_info [2019-10-02 09:27:05,266 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mutex_of_device [2019-10-02 09:27:05,266 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_mutex_of_device [2019-10-02 09:27:05,266 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex_of_device [2019-10-02 09:27:05,266 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_update_lock_of_backlight_device [2019-10-02 09:27:05,266 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_update_lock_of_backlight_device [2019-10-02 09:27:05,267 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2019-10-02 09:27:05,267 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2019-10-02 09:27:05,267 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore [2019-10-02 09:27:05,267 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2019-10-02 09:27:05,267 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2019-10-02 09:27:05,267 INFO L130 BoogieDeclarations]: Found specification of procedure get_cycles [2019-10-02 09:27:05,267 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2019-10-02 09:27:05,267 INFO L130 BoogieDeclarations]: Found specification of procedure delayed_work_timer_fn [2019-10-02 09:27:05,268 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2019-10-02 09:27:05,268 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2019-10-02 09:27:05,268 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_queue_work_on_5 [2019-10-02 09:27:05,268 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_queue_work_on_7 [2019-10-02 09:27:05,268 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work_on [2019-10-02 09:27:05,268 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_queue_delayed_work_on_6 [2019-10-02 09:27:05,268 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_queue_delayed_work_on_9 [2019-10-02 09:27:05,268 INFO L130 BoogieDeclarations]: Found specification of procedure flush_workqueue [2019-10-02 09:27:05,268 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_flush_workqueue_8 [2019-10-02 09:27:05,268 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work [2019-10-02 09:27:05,269 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_delayed_work [2019-10-02 09:27:05,269 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-10-02 09:27:05,269 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2019-10-02 09:27:05,269 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2019-10-02 09:27:05,269 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2019-10-02 09:27:05,269 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_bin_attribute_5 [2019-10-02 09:27:05,269 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_work_3 [2019-10-02 09:27:05,269 INFO L130 BoogieDeclarations]: Found specification of procedure work_init_3 [2019-10-02 09:27:05,269 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_work_1 [2019-10-02 09:27:05,270 INFO L130 BoogieDeclarations]: Found specification of procedure disable_work_3 [2019-10-02 09:27:05,270 INFO L130 BoogieDeclarations]: Found specification of procedure disable_work_2 [2019-10-02 09:27:05,270 INFO L130 BoogieDeclarations]: Found specification of procedure disable_work_1 [2019-10-02 09:27:05,270 INFO L130 BoogieDeclarations]: Found specification of procedure invoke_work_3 [2019-10-02 09:27:05,270 INFO L130 BoogieDeclarations]: Found specification of procedure work_init_2 [2019-10-02 09:27:05,270 INFO L130 BoogieDeclarations]: Found specification of procedure work_init_1 [2019-10-02 09:27:05,270 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_driver_4 [2019-10-02 09:27:05,270 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_all_2 [2019-10-02 09:27:05,270 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_all_1 [2019-10-02 09:27:05,271 INFO L130 BoogieDeclarations]: Found specification of procedure invoke_work_1 [2019-10-02 09:27:05,271 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_2 [2019-10-02 09:27:05,272 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_3 [2019-10-02 09:27:05,272 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_all_3 [2019-10-02 09:27:05,272 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_1 [2019-10-02 09:27:05,272 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_work_2 [2019-10-02 09:27:05,272 INFO L130 BoogieDeclarations]: Found specification of procedure invoke_work_2 [2019-10-02 09:27:05,272 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_fb_ops_6 [2019-10-02 09:27:05,272 INFO L130 BoogieDeclarations]: Found specification of procedure kref_init [2019-10-02 09:27:05,273 INFO L130 BoogieDeclarations]: Found specification of procedure kref_get [2019-10-02 09:27:05,273 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-02 09:27:05,273 INFO L130 BoogieDeclarations]: Found specification of procedure kref_sub [2019-10-02 09:27:05,273 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2019-10-02 09:27:05,273 INFO L130 BoogieDeclarations]: Found specification of procedure kref_put [2019-10-02 09:27:05,273 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2019-10-02 09:27:05,273 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2019-10-02 09:27:05,273 INFO L130 BoogieDeclarations]: Found specification of procedure __copy_from_user_overflow [2019-10-02 09:27:05,274 INFO L130 BoogieDeclarations]: Found specification of procedure __copy_to_user_overflow [2019-10-02 09:27:05,274 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2019-10-02 09:27:05,274 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2019-10-02 09:27:05,274 INFO L130 BoogieDeclarations]: Found specification of procedure device_create_file [2019-10-02 09:27:05,274 INFO L130 BoogieDeclarations]: Found specification of procedure device_remove_file [2019-10-02 09:27:05,274 INFO L130 BoogieDeclarations]: Found specification of procedure device_create_bin_file [2019-10-02 09:27:05,274 INFO L130 BoogieDeclarations]: Found specification of procedure device_remove_bin_file [2019-10-02 09:27:05,274 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2019-10-02 09:27:05,275 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2019-10-02 09:27:05,275 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2019-10-02 09:27:05,275 INFO L130 BoogieDeclarations]: Found specification of procedure sema_init [2019-10-02 09:27:05,275 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-02 09:27:05,275 INFO L130 BoogieDeclarations]: Found specification of procedure down_interruptible [2019-10-02 09:27:05,275 INFO L130 BoogieDeclarations]: Found specification of procedure down_timeout [2019-10-02 09:27:05,275 INFO L130 BoogieDeclarations]: Found specification of procedure up [2019-10-02 09:27:05,275 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intfdata [2019-10-02 09:27:05,276 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2019-10-02 09:27:05,276 INFO L130 BoogieDeclarations]: Found specification of procedure __usb_get_extra_descriptor [2019-10-02 09:27:05,276 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2019-10-02 09:27:05,276 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register_driver [2019-10-02 09:27:05,276 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_register_driver_22 [2019-10-02 09:27:05,276 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister [2019-10-02 09:27:05,276 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_deregister_23 [2019-10-02 09:27:05,276 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_bulk_urb [2019-10-02 09:27:05,277 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2019-10-02 09:27:05,277 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2019-10-02 09:27:05,277 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2019-10-02 09:27:05,277 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_coherent [2019-10-02 09:27:05,277 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_coherent [2019-10-02 09:27:05,277 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2019-10-02 09:27:05,277 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_descriptor [2019-10-02 09:27:05,277 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2019-10-02 09:27:05,278 INFO L130 BoogieDeclarations]: Found specification of procedure vmalloc_to_pfn [2019-10-02 09:27:05,278 INFO L130 BoogieDeclarations]: Found specification of procedure remap_pfn_range [2019-10-02 09:27:05,278 INFO L130 BoogieDeclarations]: Found specification of procedure sys_fillrect [2019-10-02 09:27:05,278 INFO L130 BoogieDeclarations]: Found specification of procedure sys_copyarea [2019-10-02 09:27:05,278 INFO L130 BoogieDeclarations]: Found specification of procedure sys_imageblit [2019-10-02 09:27:05,278 INFO L130 BoogieDeclarations]: Found specification of procedure fb_sys_read [2019-10-02 09:27:05,278 INFO L130 BoogieDeclarations]: Found specification of procedure fb_sys_write [2019-10-02 09:27:05,278 INFO L130 BoogieDeclarations]: Found specification of procedure register_framebuffer [2019-10-02 09:27:05,278 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_framebuffer [2019-10-02 09:27:05,279 INFO L130 BoogieDeclarations]: Found specification of procedure unlink_framebuffer [2019-10-02 09:27:05,279 INFO L130 BoogieDeclarations]: Found specification of procedure fb_deferred_io_init [2019-10-02 09:27:05,279 INFO L130 BoogieDeclarations]: Found specification of procedure fb_deferred_io_cleanup [2019-10-02 09:27:05,279 INFO L130 BoogieDeclarations]: Found specification of procedure framebuffer_alloc [2019-10-02 09:27:05,279 INFO L130 BoogieDeclarations]: Found specification of procedure framebuffer_release [2019-10-02 09:27:05,279 INFO L130 BoogieDeclarations]: Found specification of procedure fb_edid_to_monspecs [2019-10-02 09:27:05,279 INFO L130 BoogieDeclarations]: Found specification of procedure fb_destroy_modedb [2019-10-02 09:27:05,279 INFO L130 BoogieDeclarations]: Found specification of procedure fb_var_to_videomode [2019-10-02 09:27:05,280 INFO L130 BoogieDeclarations]: Found specification of procedure fb_videomode_to_var [2019-10-02 09:27:05,280 INFO L130 BoogieDeclarations]: Found specification of procedure fb_add_videomode [2019-10-02 09:27:05,280 INFO L130 BoogieDeclarations]: Found specification of procedure fb_find_nearest_mode [2019-10-02 09:27:05,280 INFO L130 BoogieDeclarations]: Found specification of procedure fb_destroy_modelist [2019-10-02 09:27:05,280 INFO L130 BoogieDeclarations]: Found specification of procedure fb_find_best_display [2019-10-02 09:27:05,280 INFO L130 BoogieDeclarations]: Found specification of procedure fb_alloc_cmap [2019-10-02 09:27:05,280 INFO L130 BoogieDeclarations]: Found specification of procedure fb_dealloc_cmap [2019-10-02 09:27:05,280 INFO L130 BoogieDeclarations]: Found specification of procedure vmalloc [2019-10-02 09:27:05,280 INFO L130 BoogieDeclarations]: Found specification of procedure vzalloc [2019-10-02 09:27:05,281 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2019-10-02 09:27:05,281 INFO L130 BoogieDeclarations]: Found specification of procedure prefetch_range [2019-10-02 09:27:05,281 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_urb_completion [2019-10-02 09:27:05,281 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_get_urb [2019-10-02 09:27:05,281 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_submit_urb [2019-10-02 09:27:05,281 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_alloc_urb_list [2019-10-02 09:27:05,281 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_free_urb_list [2019-10-02 09:27:05,281 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_set_register [2019-10-02 09:27:05,282 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_vidreg_lock [2019-10-02 09:27:05,282 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_vidreg_unlock [2019-10-02 09:27:05,282 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_blanking [2019-10-02 09:27:05,282 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_set_color_depth [2019-10-02 09:27:05,282 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_set_base16bpp [2019-10-02 09:27:05,282 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_set_base8bpp [2019-10-02 09:27:05,282 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_set_register_16 [2019-10-02 09:27:05,282 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_set_register_16be [2019-10-02 09:27:05,283 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_lfsr16 [2019-10-02 09:27:05,283 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_set_register_lfsr16 [2019-10-02 09:27:05,283 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_set_vid_cmds [2019-10-02 09:27:05,283 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_set_video_mode [2019-10-02 09:27:05,283 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_ops_mmap [2019-10-02 09:27:05,283 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_trim_hline [2019-10-02 09:27:05,283 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_compress_hline [2019-10-02 09:27:05,283 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_render_hline [2019-10-02 09:27:05,283 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-10-02 09:27:05,284 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_handle_damage [2019-10-02 09:27:05,284 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_ops_write [2019-10-02 09:27:05,284 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_ops_copyarea [2019-10-02 09:27:05,284 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_ops_imageblit [2019-10-02 09:27:05,284 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_ops_fillrect [2019-10-02 09:27:05,284 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_dpy_deferred_io [2019-10-02 09:27:05,284 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_get_edid [2019-10-02 09:27:05,284 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_ops_ioctl [2019-10-02 09:27:05,285 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_ops_setcolreg [2019-10-02 09:27:05,285 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_ops_open [2019-10-02 09:27:05,285 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_free [2019-10-02 09:27:05,285 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_release_urb_work [2019-10-02 09:27:05,285 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_free_framebuffer [2019-10-02 09:27:05,285 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_free_framebuffer_work [2019-10-02 09:27:05,285 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_ops_release [2019-10-02 09:27:05,285 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_is_valid_mode [2019-10-02 09:27:05,285 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_var_color_format [2019-10-02 09:27:05,286 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_ops_check_var [2019-10-02 09:27:05,286 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_ops_set_par [2019-10-02 09:27:05,286 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_dummy_render [2019-10-02 09:27:05,286 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_ops_blank [2019-10-02 09:27:05,286 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_realloc_framebuffer [2019-10-02 09:27:05,286 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_setup_modes [2019-10-02 09:27:05,287 INFO L130 BoogieDeclarations]: Found specification of procedure metrics_bytes_rendered_show [2019-10-02 09:27:05,287 INFO L130 BoogieDeclarations]: Found specification of procedure metrics_bytes_identical_show [2019-10-02 09:27:05,287 INFO L130 BoogieDeclarations]: Found specification of procedure metrics_bytes_sent_show [2019-10-02 09:27:05,287 INFO L130 BoogieDeclarations]: Found specification of procedure metrics_cpu_kcycles_used_show [2019-10-02 09:27:05,287 INFO L130 BoogieDeclarations]: Found specification of procedure edid_show [2019-10-02 09:27:05,287 INFO L130 BoogieDeclarations]: Found specification of procedure edid_store [2019-10-02 09:27:05,287 INFO L130 BoogieDeclarations]: Found specification of procedure metrics_reset_store [2019-10-02 09:27:05,287 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_select_std_channel [2019-10-02 09:27:05,287 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_parse_vendor_descriptor [2019-10-02 09:27:05,288 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_init_framebuffer_work [2019-10-02 09:27:05,288 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_usb_probe [2019-10-02 09:27:05,288 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_usb_disconnect [2019-10-02 09:27:05,288 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_driver_init [2019-10-02 09:27:05,288 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_driver_exit [2019-10-02 09:27:05,288 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_6 [2019-10-02 09:27:05,288 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_probe_5 [2019-10-02 09:27:05,288 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_5 [2019-10-02 09:27:05,289 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-10-02 09:27:05,289 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-10-02 09:27:05,289 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_probe_6 [2019-10-02 09:27:05,289 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-02 09:27:05,289 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2019-10-02 09:27:05,289 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int_negative [2019-10-02 09:27:05,289 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2019-10-02 09:27:05,289 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2019-10-02 09:27:05,289 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2019-10-02 09:27:05,290 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2019-10-02 09:27:05,290 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_i_mutex_of_inode [2019-10-02 09:27:05,290 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_i_mutex_of_inode [2019-10-02 09:27:05,290 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_i_mutex_of_inode [2019-10-02 09:27:05,290 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_i_mutex_of_inode [2019-10-02 09:27:05,290 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_i_mutex_of_inode [2019-10-02 09:27:05,290 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_i_mutex_of_inode [2019-10-02 09:27:05,290 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_trylock_device_i_mutex_of_inode [2019-10-02 09:27:05,290 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_for_reset_i_mutex_of_inode [2019-10-02 09:27:05,291 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_unlock_device_i_mutex_of_inode [2019-10-02 09:27:05,291 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_lock [2019-10-02 09:27:05,291 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_lock [2019-10-02 09:27:05,291 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_lock [2019-10-02 09:27:05,291 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_lock [2019-10-02 09:27:05,291 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_lock [2019-10-02 09:27:05,291 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_lock [2019-10-02 09:27:05,291 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_trylock_device_lock [2019-10-02 09:27:05,291 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_for_reset_lock [2019-10-02 09:27:05,292 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_unlock_device_lock [2019-10-02 09:27:05,292 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_lock_of_fb_info [2019-10-02 09:27:05,292 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_lock_of_fb_info [2019-10-02 09:27:05,292 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_lock_of_fb_info [2019-10-02 09:27:05,292 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_lock_of_fb_info [2019-10-02 09:27:05,292 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_lock_of_fb_info [2019-10-02 09:27:05,292 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_lock_of_fb_info [2019-10-02 09:27:05,292 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_trylock_device_lock_of_fb_info [2019-10-02 09:27:05,292 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_for_reset_lock_of_fb_info [2019-10-02 09:27:05,293 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_unlock_device_lock_of_fb_info [2019-10-02 09:27:05,293 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_mutex_of_device [2019-10-02 09:27:05,293 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_mutex_of_device [2019-10-02 09:27:05,293 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2019-10-02 09:27:05,293 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_mutex_of_device [2019-10-02 09:27:05,293 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_mutex_of_device [2019-10-02 09:27:05,293 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_trylock_device_mutex_of_device [2019-10-02 09:27:05,293 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_for_reset_mutex_of_device [2019-10-02 09:27:05,294 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_unlock_device_mutex_of_device [2019-10-02 09:27:05,294 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_update_lock_of_backlight_device [2019-10-02 09:27:05,294 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_update_lock_of_backlight_device [2019-10-02 09:27:05,294 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_update_lock_of_backlight_device [2019-10-02 09:27:05,294 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_update_lock_of_backlight_device [2019-10-02 09:27:05,294 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_update_lock_of_backlight_device [2019-10-02 09:27:05,294 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_update_lock_of_backlight_device [2019-10-02 09:27:05,294 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_trylock_device_update_lock_of_backlight_device [2019-10-02 09:27:05,294 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_for_reset_update_lock_of_backlight_device [2019-10-02 09:27:05,295 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_unlock_device_update_lock_of_backlight_device [2019-10-02 09:27:05,295 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-10-02 09:27:05,295 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2019-10-02 09:27:05,295 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-10-02 09:27:05,295 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-02 09:27:05,295 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-02 09:27:05,295 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-02 09:27:05,295 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2019-10-02 09:27:05,295 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-10-02 09:27:05,296 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-02 09:27:05,296 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2019-10-02 09:27:05,296 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-10-02 09:27:05,296 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-10-02 09:27:07,248 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2019-10-02 09:27:19,984 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-02 09:27:19,985 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-10-02 09:27:19,987 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.10 09:27:19 BoogieIcfgContainer [2019-10-02 09:27:19,988 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-02 09:27:19,989 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-02 09:27:19,989 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-02 09:27:19,992 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-02 09:27:19,993 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.10 09:27:01" (1/3) ... [2019-10-02 09:27:19,994 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@694605c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.10 09:27:19, skipping insertion in model container [2019-10-02 09:27:19,994 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 09:27:04" (2/3) ... [2019-10-02 09:27:19,994 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@694605c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.10 09:27:19, skipping insertion in model container [2019-10-02 09:27:19,995 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.10 09:27:19" (3/3) ... [2019-10-02 09:27:19,998 INFO L109 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-32_7a-drivers--video--fbdev--udlfb.ko-entry_point.cil.out.i [2019-10-02 09:27:20,007 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-02 09:27:20,025 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-02 09:27:20,044 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-02 09:27:20,096 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2019-10-02 09:27:20,097 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-10-02 09:27:20,097 INFO L378 AbstractCegarLoop]: Hoare is true [2019-10-02 09:27:20,097 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-02 09:27:20,098 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-02 09:27:20,098 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-02 09:27:20,098 INFO L382 AbstractCegarLoop]: Difference is false [2019-10-02 09:27:20,098 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-02 09:27:20,098 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-02 09:27:20,161 INFO L276 IsEmpty]: Start isEmpty. Operand 2082 states. [2019-10-02 09:27:20,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 346 [2019-10-02 09:27:20,271 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 09:27:20,272 INFO L411 BasicCegarLoop]: trace histogram [16, 16, 16, 16, 16, 16, 16, 16, 12, 12, 12, 12, 12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 09:27:20,275 INFO L418 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 09:27:20,284 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 09:27:20,285 INFO L82 PathProgramCache]: Analyzing trace with hash -787850876, now seen corresponding path program 1 times [2019-10-02 09:27:20,287 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 09:27:20,287 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 09:27:20,389 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 09:27:20,389 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 09:27:20,389 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 09:27:20,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 09:27:21,481 INFO L134 CoverageAnalysis]: Checked inductivity of 1608 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1608 trivial. 0 not checked. [2019-10-02 09:27:21,484 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 09:27:21,484 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-02 09:27:21,488 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-02 09:27:21,502 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-02 09:27:21,503 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 09:27:21,505 INFO L87 Difference]: Start difference. First operand 2082 states. Second operand 3 states. [2019-10-02 09:27:23,090 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 09:27:23,091 INFO L93 Difference]: Finished difference Result 4761 states and 6267 transitions. [2019-10-02 09:27:23,091 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-02 09:27:23,093 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 345 [2019-10-02 09:27:23,095 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 09:27:23,132 INFO L225 Difference]: With dead ends: 4761 [2019-10-02 09:27:23,132 INFO L226 Difference]: Without dead ends: 3147 [2019-10-02 09:27:23,147 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 09:27:23,173 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3147 states. [2019-10-02 09:27:23,388 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3147 to 3143. [2019-10-02 09:27:23,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3143 states. [2019-10-02 09:27:23,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3143 states to 3143 states and 4068 transitions. [2019-10-02 09:27:23,426 INFO L78 Accepts]: Start accepts. Automaton has 3143 states and 4068 transitions. Word has length 345 [2019-10-02 09:27:23,433 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 09:27:23,433 INFO L475 AbstractCegarLoop]: Abstraction has 3143 states and 4068 transitions. [2019-10-02 09:27:23,433 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-02 09:27:23,433 INFO L276 IsEmpty]: Start isEmpty. Operand 3143 states and 4068 transitions. [2019-10-02 09:27:23,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 350 [2019-10-02 09:27:23,447 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 09:27:23,447 INFO L411 BasicCegarLoop]: trace histogram [16, 16, 16, 16, 16, 16, 16, 16, 12, 12, 12, 12, 12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 09:27:23,447 INFO L418 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 09:27:23,448 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 09:27:23,448 INFO L82 PathProgramCache]: Analyzing trace with hash 1767363195, now seen corresponding path program 1 times [2019-10-02 09:27:23,448 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 09:27:23,448 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 09:27:23,467 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 09:27:23,468 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 09:27:23,468 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 09:27:23,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 09:27:24,831 INFO L134 CoverageAnalysis]: Checked inductivity of 1608 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1608 trivial. 0 not checked. [2019-10-02 09:27:24,832 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 09:27:24,832 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-02 09:27:24,837 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-02 09:27:24,839 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-02 09:27:24,839 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 09:27:24,839 INFO L87 Difference]: Start difference. First operand 3143 states and 4068 transitions. Second operand 3 states. [2019-10-02 09:27:25,295 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 09:27:25,296 INFO L93 Difference]: Finished difference Result 9145 states and 11818 transitions. [2019-10-02 09:27:25,296 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-02 09:27:25,296 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 349 [2019-10-02 09:27:25,298 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 09:27:25,353 INFO L225 Difference]: With dead ends: 9145 [2019-10-02 09:27:25,354 INFO L226 Difference]: Without dead ends: 6087 [2019-10-02 09:27:25,374 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 09:27:25,384 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6087 states. [2019-10-02 09:27:25,652 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6087 to 6059. [2019-10-02 09:27:25,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6059 states. [2019-10-02 09:27:25,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6059 states to 6059 states and 7830 transitions. [2019-10-02 09:27:25,705 INFO L78 Accepts]: Start accepts. Automaton has 6059 states and 7830 transitions. Word has length 349 [2019-10-02 09:27:25,708 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 09:27:25,708 INFO L475 AbstractCegarLoop]: Abstraction has 6059 states and 7830 transitions. [2019-10-02 09:27:25,708 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-02 09:27:25,709 INFO L276 IsEmpty]: Start isEmpty. Operand 6059 states and 7830 transitions. [2019-10-02 09:27:25,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 366 [2019-10-02 09:27:25,719 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 09:27:25,720 INFO L411 BasicCegarLoop]: trace histogram [16, 16, 16, 16, 16, 16, 16, 16, 13, 13, 13, 13, 13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 09:27:25,720 INFO L418 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 09:27:25,720 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 09:27:25,721 INFO L82 PathProgramCache]: Analyzing trace with hash -1355256, now seen corresponding path program 1 times [2019-10-02 09:27:25,721 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 09:27:25,721 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 09:27:25,742 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 09:27:25,742 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 09:27:25,742 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 09:27:25,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 09:27:26,219 INFO L134 CoverageAnalysis]: Checked inductivity of 1704 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1704 trivial. 0 not checked. [2019-10-02 09:27:26,219 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 09:27:26,219 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-02 09:27:26,220 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-02 09:27:26,220 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-02 09:27:26,221 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 09:27:26,221 INFO L87 Difference]: Start difference. First operand 6059 states and 7830 transitions. Second operand 3 states. [2019-10-02 09:27:26,361 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 09:27:26,361 INFO L93 Difference]: Finished difference Result 6061 states and 7831 transitions. [2019-10-02 09:27:26,362 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-02 09:27:26,362 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 365 [2019-10-02 09:27:26,363 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 09:27:26,398 INFO L225 Difference]: With dead ends: 6061 [2019-10-02 09:27:26,398 INFO L226 Difference]: Without dead ends: 6058 [2019-10-02 09:27:26,402 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 09:27:26,411 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6058 states. [2019-10-02 09:27:26,614 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6058 to 6058. [2019-10-02 09:27:26,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6058 states. [2019-10-02 09:27:26,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6058 states to 6058 states and 7828 transitions. [2019-10-02 09:27:26,643 INFO L78 Accepts]: Start accepts. Automaton has 6058 states and 7828 transitions. Word has length 365 [2019-10-02 09:27:26,643 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 09:27:26,644 INFO L475 AbstractCegarLoop]: Abstraction has 6058 states and 7828 transitions. [2019-10-02 09:27:26,644 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-02 09:27:26,644 INFO L276 IsEmpty]: Start isEmpty. Operand 6058 states and 7828 transitions. [2019-10-02 09:27:26,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 367 [2019-10-02 09:27:26,653 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 09:27:26,653 INFO L411 BasicCegarLoop]: trace histogram [16, 16, 16, 16, 16, 16, 16, 16, 13, 13, 13, 13, 13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 09:27:26,654 INFO L418 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 09:27:26,654 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 09:27:26,654 INFO L82 PathProgramCache]: Analyzing trace with hash -42928481, now seen corresponding path program 1 times [2019-10-02 09:27:26,654 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 09:27:26,654 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 09:27:26,667 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 09:27:26,667 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 09:27:26,667 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 09:27:26,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 09:27:27,459 INFO L134 CoverageAnalysis]: Checked inductivity of 1704 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1704 trivial. 0 not checked. [2019-10-02 09:27:27,460 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 09:27:27,460 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-02 09:27:27,460 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-02 09:27:27,461 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-02 09:27:27,461 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 09:27:27,461 INFO L87 Difference]: Start difference. First operand 6058 states and 7828 transitions. Second operand 3 states. [2019-10-02 09:27:27,627 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 09:27:27,627 INFO L93 Difference]: Finished difference Result 6060 states and 7829 transitions. [2019-10-02 09:27:27,628 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-02 09:27:27,628 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 366 [2019-10-02 09:27:27,629 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 09:27:27,665 INFO L225 Difference]: With dead ends: 6060 [2019-10-02 09:27:27,666 INFO L226 Difference]: Without dead ends: 6057 [2019-10-02 09:27:27,670 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 09:27:27,679 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6057 states. [2019-10-02 09:27:27,912 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6057 to 6057. [2019-10-02 09:27:27,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6057 states. [2019-10-02 09:27:27,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6057 states to 6057 states and 7826 transitions. [2019-10-02 09:27:27,940 INFO L78 Accepts]: Start accepts. Automaton has 6057 states and 7826 transitions. Word has length 366 [2019-10-02 09:27:27,941 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 09:27:27,941 INFO L475 AbstractCegarLoop]: Abstraction has 6057 states and 7826 transitions. [2019-10-02 09:27:27,941 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-02 09:27:27,941 INFO L276 IsEmpty]: Start isEmpty. Operand 6057 states and 7826 transitions. [2019-10-02 09:27:27,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 368 [2019-10-02 09:27:27,951 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 09:27:27,951 INFO L411 BasicCegarLoop]: trace histogram [16, 16, 16, 16, 16, 16, 16, 16, 13, 13, 13, 13, 13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 09:27:27,951 INFO L418 AbstractCegarLoop]: === Iteration 5 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 09:27:27,952 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 09:27:27,952 INFO L82 PathProgramCache]: Analyzing trace with hash -1331693589, now seen corresponding path program 1 times [2019-10-02 09:27:27,952 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 09:27:27,952 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 09:27:27,966 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 09:27:27,966 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 09:27:27,966 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 09:27:28,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 09:27:28,414 INFO L134 CoverageAnalysis]: Checked inductivity of 1704 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1704 trivial. 0 not checked. [2019-10-02 09:27:28,414 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 09:27:28,414 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-02 09:27:28,415 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-02 09:27:28,415 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-02 09:27:28,415 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 09:27:28,416 INFO L87 Difference]: Start difference. First operand 6057 states and 7826 transitions. Second operand 3 states. [2019-10-02 09:27:28,930 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 09:27:28,930 INFO L93 Difference]: Finished difference Result 17907 states and 23615 transitions. [2019-10-02 09:27:28,931 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-02 09:27:28,931 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 367 [2019-10-02 09:27:28,932 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 09:27:29,002 INFO L225 Difference]: With dead ends: 17907 [2019-10-02 09:27:29,002 INFO L226 Difference]: Without dead ends: 11943 [2019-10-02 09:27:29,029 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 09:27:29,045 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11943 states. [2019-10-02 09:27:29,536 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11943 to 11925. [2019-10-02 09:27:29,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11925 states. [2019-10-02 09:27:29,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11925 states to 11925 states and 15659 transitions. [2019-10-02 09:27:29,599 INFO L78 Accepts]: Start accepts. Automaton has 11925 states and 15659 transitions. Word has length 367 [2019-10-02 09:27:29,600 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 09:27:29,600 INFO L475 AbstractCegarLoop]: Abstraction has 11925 states and 15659 transitions. [2019-10-02 09:27:29,600 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-02 09:27:29,600 INFO L276 IsEmpty]: Start isEmpty. Operand 11925 states and 15659 transitions. [2019-10-02 09:27:29,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 369 [2019-10-02 09:27:29,610 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 09:27:29,611 INFO L411 BasicCegarLoop]: trace histogram [16, 16, 16, 16, 16, 16, 16, 16, 13, 13, 13, 13, 13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 09:27:29,611 INFO L418 AbstractCegarLoop]: === Iteration 6 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 09:27:29,612 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 09:27:29,612 INFO L82 PathProgramCache]: Analyzing trace with hash 1666265890, now seen corresponding path program 1 times [2019-10-02 09:27:29,612 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 09:27:29,612 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 09:27:29,626 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 09:27:29,626 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 09:27:29,626 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 09:27:29,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 09:27:30,077 INFO L134 CoverageAnalysis]: Checked inductivity of 1704 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1704 trivial. 0 not checked. [2019-10-02 09:27:30,078 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 09:27:30,078 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-02 09:27:30,079 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-02 09:27:30,079 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-02 09:27:30,080 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 09:27:30,080 INFO L87 Difference]: Start difference. First operand 11925 states and 15659 transitions. Second operand 3 states. [2019-10-02 09:27:30,401 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 09:27:30,401 INFO L93 Difference]: Finished difference Result 11927 states and 15660 transitions. [2019-10-02 09:27:30,402 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-02 09:27:30,402 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 368 [2019-10-02 09:27:30,403 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 09:27:30,465 INFO L225 Difference]: With dead ends: 11927 [2019-10-02 09:27:30,465 INFO L226 Difference]: Without dead ends: 11924 [2019-10-02 09:27:30,475 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 09:27:30,490 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11924 states. [2019-10-02 09:27:31,117 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11924 to 11924. [2019-10-02 09:27:31,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11924 states. [2019-10-02 09:27:31,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11924 states to 11924 states and 15657 transitions. [2019-10-02 09:27:31,176 INFO L78 Accepts]: Start accepts. Automaton has 11924 states and 15657 transitions. Word has length 368 [2019-10-02 09:27:31,177 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 09:27:31,177 INFO L475 AbstractCegarLoop]: Abstraction has 11924 states and 15657 transitions. [2019-10-02 09:27:31,177 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-02 09:27:31,178 INFO L276 IsEmpty]: Start isEmpty. Operand 11924 states and 15657 transitions. [2019-10-02 09:27:31,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 370 [2019-10-02 09:27:31,187 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 09:27:31,187 INFO L411 BasicCegarLoop]: trace histogram [16, 16, 16, 16, 16, 16, 16, 16, 13, 13, 13, 13, 13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 09:27:31,187 INFO L418 AbstractCegarLoop]: === Iteration 7 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 09:27:31,188 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 09:27:31,188 INFO L82 PathProgramCache]: Analyzing trace with hash 113734094, now seen corresponding path program 1 times [2019-10-02 09:27:31,188 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 09:27:31,188 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 09:27:31,202 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 09:27:31,203 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 09:27:31,203 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 09:27:31,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 09:27:31,640 INFO L134 CoverageAnalysis]: Checked inductivity of 1704 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1704 trivial. 0 not checked. [2019-10-02 09:27:31,641 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 09:27:31,641 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-02 09:27:31,642 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-02 09:27:31,642 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-02 09:27:31,642 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 09:27:31,642 INFO L87 Difference]: Start difference. First operand 11924 states and 15657 transitions. Second operand 3 states. [2019-10-02 09:27:31,934 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 09:27:31,934 INFO L93 Difference]: Finished difference Result 11926 states and 15658 transitions. [2019-10-02 09:27:31,935 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-02 09:27:31,935 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 369 [2019-10-02 09:27:31,935 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 09:27:31,993 INFO L225 Difference]: With dead ends: 11926 [2019-10-02 09:27:31,993 INFO L226 Difference]: Without dead ends: 11904 [2019-10-02 09:27:32,003 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 09:27:32,021 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11904 states. [2019-10-02 09:27:32,452 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11904 to 11904. [2019-10-02 09:27:32,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11904 states. [2019-10-02 09:27:32,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11904 states to 11904 states and 15631 transitions. [2019-10-02 09:27:32,498 INFO L78 Accepts]: Start accepts. Automaton has 11904 states and 15631 transitions. Word has length 369 [2019-10-02 09:27:32,499 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 09:27:32,499 INFO L475 AbstractCegarLoop]: Abstraction has 11904 states and 15631 transitions. [2019-10-02 09:27:32,499 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-02 09:27:32,499 INFO L276 IsEmpty]: Start isEmpty. Operand 11904 states and 15631 transitions. [2019-10-02 09:27:32,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 403 [2019-10-02 09:27:32,510 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 09:27:32,511 INFO L411 BasicCegarLoop]: trace histogram [16, 16, 16, 16, 16, 16, 16, 16, 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] [2019-10-02 09:27:32,511 INFO L418 AbstractCegarLoop]: === Iteration 8 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 09:27:32,511 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 09:27:32,512 INFO L82 PathProgramCache]: Analyzing trace with hash -1271295435, now seen corresponding path program 1 times [2019-10-02 09:27:32,512 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 09:27:32,512 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 09:27:32,523 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 09:27:32,523 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 09:27:32,523 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 09:27:32,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 09:27:33,132 INFO L134 CoverageAnalysis]: Checked inductivity of 1614 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1614 trivial. 0 not checked. [2019-10-02 09:27:33,133 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 09:27:33,133 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-02 09:27:33,134 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-02 09:27:33,134 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-02 09:27:33,135 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2019-10-02 09:27:33,135 INFO L87 Difference]: Start difference. First operand 11904 states and 15631 transitions. Second operand 5 states. [2019-10-02 09:27:40,855 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 09:27:40,856 INFO L93 Difference]: Finished difference Result 35375 states and 47854 transitions. [2019-10-02 09:27:40,856 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-02 09:27:40,856 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 402 [2019-10-02 09:27:40,857 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 09:27:41,158 INFO L225 Difference]: With dead ends: 35375 [2019-10-02 09:27:41,159 INFO L226 Difference]: Without dead ends: 23564 [2019-10-02 09:27:41,228 INFO L640 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 [2019-10-02 09:27:41,256 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23564 states. [2019-10-02 09:27:42,128 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23564 to 23528. [2019-10-02 09:27:42,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23528 states. [2019-10-02 09:27:42,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23528 states to 23528 states and 31584 transitions. [2019-10-02 09:27:42,228 INFO L78 Accepts]: Start accepts. Automaton has 23528 states and 31584 transitions. Word has length 402 [2019-10-02 09:27:42,229 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 09:27:42,229 INFO L475 AbstractCegarLoop]: Abstraction has 23528 states and 31584 transitions. [2019-10-02 09:27:42,230 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-02 09:27:42,230 INFO L276 IsEmpty]: Start isEmpty. Operand 23528 states and 31584 transitions. [2019-10-02 09:27:42,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 405 [2019-10-02 09:27:42,241 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 09:27:42,242 INFO L411 BasicCegarLoop]: trace histogram [16, 16, 16, 16, 16, 16, 16, 16, 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] [2019-10-02 09:27:42,242 INFO L418 AbstractCegarLoop]: === Iteration 9 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 09:27:42,242 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 09:27:42,242 INFO L82 PathProgramCache]: Analyzing trace with hash -813368820, now seen corresponding path program 1 times [2019-10-02 09:27:42,243 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 09:27:42,243 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 09:27:42,255 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 09:27:42,255 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 09:27:42,255 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 09:27:42,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 09:27:42,794 INFO L134 CoverageAnalysis]: Checked inductivity of 1614 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1614 trivial. 0 not checked. [2019-10-02 09:27:42,795 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 09:27:42,795 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-02 09:27:42,795 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-02 09:27:42,796 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-02 09:27:42,796 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2019-10-02 09:27:42,797 INFO L87 Difference]: Start difference. First operand 23528 states and 31584 transitions. Second operand 5 states. [2019-10-02 09:27:48,360 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 09:27:48,360 INFO L93 Difference]: Finished difference Result 58751 states and 81040 transitions. [2019-10-02 09:27:48,361 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-02 09:27:48,361 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 404 [2019-10-02 09:27:48,362 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 09:27:48,566 INFO L225 Difference]: With dead ends: 58751 [2019-10-02 09:27:48,566 INFO L226 Difference]: Without dead ends: 35316 [2019-10-02 09:27:48,668 INFO L640 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 [2019-10-02 09:27:48,711 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35316 states. [2019-10-02 09:27:51,586 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35316 to 35272. [2019-10-02 09:27:51,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35272 states. [2019-10-02 09:27:51,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35272 states to 35272 states and 48221 transitions. [2019-10-02 09:27:51,735 INFO L78 Accepts]: Start accepts. Automaton has 35272 states and 48221 transitions. Word has length 404 [2019-10-02 09:27:51,736 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 09:27:51,736 INFO L475 AbstractCegarLoop]: Abstraction has 35272 states and 48221 transitions. [2019-10-02 09:27:51,736 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-02 09:27:51,736 INFO L276 IsEmpty]: Start isEmpty. Operand 35272 states and 48221 transitions. [2019-10-02 09:27:51,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 406 [2019-10-02 09:27:51,749 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 09:27:51,749 INFO L411 BasicCegarLoop]: trace histogram [16, 16, 16, 16, 16, 16, 16, 16, 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] [2019-10-02 09:27:51,749 INFO L418 AbstractCegarLoop]: === Iteration 10 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 09:27:51,750 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 09:27:51,750 INFO L82 PathProgramCache]: Analyzing trace with hash 1603465496, now seen corresponding path program 1 times [2019-10-02 09:27:51,750 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 09:27:51,750 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 09:27:51,761 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 09:27:51,761 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 09:27:51,761 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 09:27:51,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 09:27:52,373 INFO L134 CoverageAnalysis]: Checked inductivity of 1614 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1614 trivial. 0 not checked. [2019-10-02 09:27:52,374 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 09:27:52,374 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-10-02 09:27:52,374 INFO L454 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-10-02 09:27:52,375 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-10-02 09:27:52,384 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2019-10-02 09:27:52,384 INFO L87 Difference]: Start difference. First operand 35272 states and 48221 transitions. Second operand 9 states. [2019-10-02 09:28:02,414 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 09:28:02,414 INFO L93 Difference]: Finished difference Result 94122 states and 131725 transitions. [2019-10-02 09:28:02,415 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-10-02 09:28:02,415 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 405 [2019-10-02 09:28:02,416 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 09:28:02,740 INFO L225 Difference]: With dead ends: 94122 [2019-10-02 09:28:02,741 INFO L226 Difference]: Without dead ends: 58943 [2019-10-02 09:28:02,881 INFO L640 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 [2019-10-02 09:28:02,954 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58943 states. [2019-10-02 09:28:06,638 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58943 to 58840. [2019-10-02 09:28:06,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 58840 states. [2019-10-02 09:28:06,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58840 states to 58840 states and 81615 transitions. [2019-10-02 09:28:06,833 INFO L78 Accepts]: Start accepts. Automaton has 58840 states and 81615 transitions. Word has length 405 [2019-10-02 09:28:06,834 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 09:28:06,834 INFO L475 AbstractCegarLoop]: Abstraction has 58840 states and 81615 transitions. [2019-10-02 09:28:06,834 INFO L476 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-10-02 09:28:06,834 INFO L276 IsEmpty]: Start isEmpty. Operand 58840 states and 81615 transitions. [2019-10-02 09:28:06,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 404 [2019-10-02 09:28:06,843 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 09:28:06,843 INFO L411 BasicCegarLoop]: trace histogram [16, 16, 16, 16, 16, 16, 16, 16, 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] [2019-10-02 09:28:06,843 INFO L418 AbstractCegarLoop]: === Iteration 11 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 09:28:06,844 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 09:28:06,844 INFO L82 PathProgramCache]: Analyzing trace with hash -1349756575, now seen corresponding path program 1 times [2019-10-02 09:28:06,844 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 09:28:06,844 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 09:28:06,855 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 09:28:06,855 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 09:28:06,855 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 09:28:06,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 09:28:07,369 INFO L134 CoverageAnalysis]: Checked inductivity of 1614 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1614 trivial. 0 not checked. [2019-10-02 09:28:07,369 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 09:28:07,370 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-02 09:28:07,371 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-02 09:28:07,371 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-02 09:28:07,371 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2019-10-02 09:28:07,372 INFO L87 Difference]: Start difference. First operand 58840 states and 81615 transitions. Second operand 5 states. [2019-10-02 09:28:15,928 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 09:28:15,928 INFO L93 Difference]: Finished difference Result 129351 states and 182966 transitions. [2019-10-02 09:28:15,929 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-02 09:28:15,929 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 403 [2019-10-02 09:28:15,930 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 09:28:16,305 INFO L225 Difference]: With dead ends: 129351 [2019-10-02 09:28:16,306 INFO L226 Difference]: Without dead ends: 70604 [2019-10-02 09:28:19,017 INFO L640 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 [2019-10-02 09:28:19,083 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70604 states. [2019-10-02 09:28:21,050 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70604 to 70544. [2019-10-02 09:28:21,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 70544 states. [2019-10-02 09:28:21,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70544 states to 70544 states and 99052 transitions. [2019-10-02 09:28:21,303 INFO L78 Accepts]: Start accepts. Automaton has 70544 states and 99052 transitions. Word has length 403 [2019-10-02 09:28:21,304 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 09:28:21,304 INFO L475 AbstractCegarLoop]: Abstraction has 70544 states and 99052 transitions. [2019-10-02 09:28:21,304 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-02 09:28:21,304 INFO L276 IsEmpty]: Start isEmpty. Operand 70544 states and 99052 transitions. [2019-10-02 09:28:21,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 439 [2019-10-02 09:28:21,317 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 09:28:21,317 INFO L411 BasicCegarLoop]: trace histogram [16, 16, 16, 16, 16, 16, 16, 16, 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] [2019-10-02 09:28:21,318 INFO L418 AbstractCegarLoop]: === Iteration 12 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 09:28:21,318 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 09:28:21,318 INFO L82 PathProgramCache]: Analyzing trace with hash 688829707, now seen corresponding path program 1 times [2019-10-02 09:28:21,318 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 09:28:21,318 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 09:28:21,328 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 09:28:21,329 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 09:28:21,329 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 09:28:21,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 09:28:22,228 INFO L134 CoverageAnalysis]: Checked inductivity of 1617 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1617 trivial. 0 not checked. [2019-10-02 09:28:22,229 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 09:28:22,229 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-02 09:28:22,230 INFO L454 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-02 09:28:22,231 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-02 09:28:22,231 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-02 09:28:22,231 INFO L87 Difference]: Start difference. First operand 70544 states and 99052 transitions. Second operand 4 states. [2019-10-02 09:28:24,078 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 09:28:24,078 INFO L93 Difference]: Finished difference Result 141452 states and 205433 transitions. [2019-10-02 09:28:24,079 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-02 09:28:24,079 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 438 [2019-10-02 09:28:24,080 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 09:28:24,383 INFO L225 Difference]: With dead ends: 141452 [2019-10-02 09:28:24,383 INFO L226 Difference]: Without dead ends: 71001 [2019-10-02 09:28:24,555 INFO L640 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 [2019-10-02 09:28:24,632 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71001 states. [2019-10-02 09:28:29,193 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71001 to 70688. [2019-10-02 09:28:29,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 70688 states. [2019-10-02 09:28:29,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70688 states to 70688 states and 99196 transitions. [2019-10-02 09:28:29,445 INFO L78 Accepts]: Start accepts. Automaton has 70688 states and 99196 transitions. Word has length 438 [2019-10-02 09:28:29,445 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 09:28:29,445 INFO L475 AbstractCegarLoop]: Abstraction has 70688 states and 99196 transitions. [2019-10-02 09:28:29,445 INFO L476 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-02 09:28:29,446 INFO L276 IsEmpty]: Start isEmpty. Operand 70688 states and 99196 transitions. [2019-10-02 09:28:29,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 439 [2019-10-02 09:28:29,458 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 09:28:29,458 INFO L411 BasicCegarLoop]: trace histogram [16, 16, 16, 16, 16, 16, 16, 16, 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] [2019-10-02 09:28:29,459 INFO L418 AbstractCegarLoop]: === Iteration 13 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 09:28:29,459 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 09:28:29,459 INFO L82 PathProgramCache]: Analyzing trace with hash 1389894285, now seen corresponding path program 1 times [2019-10-02 09:28:29,459 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 09:28:29,459 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 09:28:29,470 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 09:28:29,470 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 09:28:29,470 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 09:28:29,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 09:28:30,225 INFO L134 CoverageAnalysis]: Checked inductivity of 1617 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1617 trivial. 0 not checked. [2019-10-02 09:28:30,225 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 09:28:30,226 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-02 09:28:30,226 INFO L454 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-02 09:28:30,227 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-02 09:28:30,227 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-10-02 09:28:30,227 INFO L87 Difference]: Start difference. First operand 70688 states and 99196 transitions. Second operand 7 states. [2019-10-02 09:28:32,340 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 09:28:32,340 INFO L93 Difference]: Finished difference Result 139861 states and 197114 transitions. [2019-10-02 09:28:32,341 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-02 09:28:32,341 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 438 [2019-10-02 09:28:32,342 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 09:28:32,596 INFO L225 Difference]: With dead ends: 139861 [2019-10-02 09:28:32,597 INFO L226 Difference]: Without dead ends: 69266 [2019-10-02 09:28:32,756 INFO L640 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 [2019-10-02 09:28:32,816 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69266 states. [2019-10-02 09:28:35,031 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69266 to 69266. [2019-10-02 09:28:35,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 69266 states. [2019-10-02 09:28:35,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69266 states to 69266 states and 92294 transitions. [2019-10-02 09:28:35,241 INFO L78 Accepts]: Start accepts. Automaton has 69266 states and 92294 transitions. Word has length 438 [2019-10-02 09:28:35,242 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 09:28:35,242 INFO L475 AbstractCegarLoop]: Abstraction has 69266 states and 92294 transitions. [2019-10-02 09:28:35,242 INFO L476 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-02 09:28:35,242 INFO L276 IsEmpty]: Start isEmpty. Operand 69266 states and 92294 transitions. [2019-10-02 09:28:35,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 451 [2019-10-02 09:28:35,255 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 09:28:35,256 INFO L411 BasicCegarLoop]: trace histogram [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] [2019-10-02 09:28:35,256 INFO L418 AbstractCegarLoop]: === Iteration 14 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 09:28:35,256 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 09:28:35,257 INFO L82 PathProgramCache]: Analyzing trace with hash 2127926579, now seen corresponding path program 1 times [2019-10-02 09:28:35,257 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 09:28:35,257 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 09:28:35,268 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 09:28:35,268 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 09:28:35,268 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 09:28:35,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 09:28:35,703 INFO L134 CoverageAnalysis]: Checked inductivity of 2045 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 2040 trivial. 0 not checked. [2019-10-02 09:28:35,704 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 09:28:35,704 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-02 09:28:35,704 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-02 09:28:35,705 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-02 09:28:35,705 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 09:28:35,705 INFO L87 Difference]: Start difference. First operand 69266 states and 92294 transitions. Second operand 3 states. [2019-10-02 09:28:42,506 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 09:28:42,507 INFO L93 Difference]: Finished difference Result 172228 states and 229496 transitions. [2019-10-02 09:28:42,507 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-02 09:28:42,507 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 450 [2019-10-02 09:28:42,508 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 09:28:42,855 INFO L225 Difference]: With dead ends: 172228 [2019-10-02 09:28:42,855 INFO L226 Difference]: Without dead ends: 103055 [2019-10-02 09:28:42,990 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 09:28:43,076 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103055 states. [2019-10-02 09:28:45,548 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103055 to 103028. [2019-10-02 09:28:45,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 103028 states. [2019-10-02 09:28:45,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103028 states to 103028 states and 137176 transitions. [2019-10-02 09:28:45,872 INFO L78 Accepts]: Start accepts. Automaton has 103028 states and 137176 transitions. Word has length 450 [2019-10-02 09:28:45,873 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 09:28:45,874 INFO L475 AbstractCegarLoop]: Abstraction has 103028 states and 137176 transitions. [2019-10-02 09:28:45,874 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-02 09:28:45,874 INFO L276 IsEmpty]: Start isEmpty. Operand 103028 states and 137176 transitions. [2019-10-02 09:28:45,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 470 [2019-10-02 09:28:45,892 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 09:28:45,893 INFO L411 BasicCegarLoop]: trace histogram [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] [2019-10-02 09:28:45,893 INFO L418 AbstractCegarLoop]: === Iteration 15 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 09:28:45,893 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 09:28:45,894 INFO L82 PathProgramCache]: Analyzing trace with hash 1769274143, now seen corresponding path program 1 times [2019-10-02 09:28:45,894 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 09:28:45,894 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 09:28:45,905 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 09:28:45,906 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 09:28:45,906 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 09:28:46,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 09:28:46,864 INFO L134 CoverageAnalysis]: Checked inductivity of 2060 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 1955 trivial. 0 not checked. [2019-10-02 09:28:46,864 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-10-02 09:28:46,864 INFO L224 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-10-02 09:28:47,276 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 09:29:00,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2019-10-02 09:29:00,780 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2019-10-02 09:29:00,780 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2019-10-02 09:29:00,780 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-02 09:29:00,781 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-02 09:29:00,781 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-02 09:29:00,781 INFO L87 Difference]: Start difference. First operand 103028 states and 137176 transitions. Second operand 6 states. [2019-10-02 09:29:06,516 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 09:29:06,516 INFO L93 Difference]: Finished difference Result 206235 states and 276002 transitions. [2019-10-02 09:29:06,517 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-02 09:29:06,517 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 469 [2019-10-02 09:29:06,517 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 09:29:06,969 INFO L225 Difference]: With dead ends: 206235 [2019-10-02 09:29:06,969 INFO L226 Difference]: Without dead ends: 103249 [2019-10-02 09:29:07,285 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2019-10-02 09:29:07,399 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103249 states. [2019-10-02 09:29:10,601 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103249 to 103228. [2019-10-02 09:29:10,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 103228 states. [2019-10-02 09:29:10,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103228 states to 103228 states and 137442 transitions. [2019-10-02 09:29:10,900 INFO L78 Accepts]: Start accepts. Automaton has 103228 states and 137442 transitions. Word has length 469 [2019-10-02 09:29:10,901 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 09:29:10,901 INFO L475 AbstractCegarLoop]: Abstraction has 103228 states and 137442 transitions. [2019-10-02 09:29:10,901 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-02 09:29:10,901 INFO L276 IsEmpty]: Start isEmpty. Operand 103228 states and 137442 transitions. [2019-10-02 09:29:10,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 479 [2019-10-02 09:29:10,919 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 09:29:10,919 INFO L411 BasicCegarLoop]: trace histogram [16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 9, 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] [2019-10-02 09:29:10,920 INFO L418 AbstractCegarLoop]: === Iteration 16 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 09:29:10,920 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 09:29:10,920 INFO L82 PathProgramCache]: Analyzing trace with hash 1144788142, now seen corresponding path program 1 times [2019-10-02 09:29:10,920 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 09:29:10,920 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 09:29:10,931 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 09:29:10,932 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 09:29:10,932 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 09:29:11,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 09:29:11,807 INFO L134 CoverageAnalysis]: Checked inductivity of 2240 backedges. 16 proven. 98 refuted. 0 times theorem prover too weak. 2126 trivial. 0 not checked. [2019-10-02 09:29:11,809 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-10-02 09:29:11,809 INFO L224 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-10-02 09:29:12,213 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 09:29:24,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2019-10-02 09:29:25,069 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2019-10-02 09:29:25,069 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2019-10-02 09:29:25,070 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-02 09:29:25,070 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-02 09:29:25,070 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-02 09:29:25,071 INFO L87 Difference]: Start difference. First operand 103228 states and 137442 transitions. Second operand 6 states. [2019-10-02 09:29:27,865 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 09:29:27,865 INFO L93 Difference]: Finished difference Result 206434 states and 274861 transitions. [2019-10-02 09:29:27,866 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-02 09:29:27,866 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 478 [2019-10-02 09:29:27,866 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 09:29:28,347 INFO L225 Difference]: With dead ends: 206434 [2019-10-02 09:29:28,347 INFO L226 Difference]: Without dead ends: 103249 [2019-10-02 09:29:28,639 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2019-10-02 09:29:28,751 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103249 states. [2019-10-02 09:29:36,872 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103249 to 103228. [2019-10-02 09:29:36,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 103228 states. [2019-10-02 09:29:37,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103228 states to 103228 states and 137441 transitions. [2019-10-02 09:29:37,188 INFO L78 Accepts]: Start accepts. Automaton has 103228 states and 137441 transitions. Word has length 478 [2019-10-02 09:29:37,189 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 09:29:37,189 INFO L475 AbstractCegarLoop]: Abstraction has 103228 states and 137441 transitions. [2019-10-02 09:29:37,189 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-02 09:29:37,189 INFO L276 IsEmpty]: Start isEmpty. Operand 103228 states and 137441 transitions. [2019-10-02 09:29:37,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 486 [2019-10-02 09:29:37,211 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 09:29:37,211 INFO L411 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] [2019-10-02 09:29:37,211 INFO L418 AbstractCegarLoop]: === Iteration 17 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 09:29:37,212 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 09:29:37,212 INFO L82 PathProgramCache]: Analyzing trace with hash -574495985, now seen corresponding path program 2 times [2019-10-02 09:29:37,212 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 09:29:37,212 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 09:29:37,223 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 09:29:37,223 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 09:29:37,223 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 09:29:37,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 09:29:38,226 INFO L134 CoverageAnalysis]: Checked inductivity of 2436 backedges. 0 proven. 151 refuted. 0 times theorem prover too weak. 2285 trivial. 0 not checked. [2019-10-02 09:29:38,227 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-10-02 09:29:38,227 INFO L224 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-10-02 09:29:38,614 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2019-10-02 09:29:44,012 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2019-10-02 09:29:44,012 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-10-02 09:29:44,048 INFO L256 TraceCheckSpWp]: Trace formula consists of 2848 conjuncts, 10 conjunts are in the unsatisfiable core [2019-10-02 09:29:44,078 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-02 09:29:44,304 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 17 [2019-10-02 09:29:44,305 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-10-02 09:29:44,313 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-02 09:29:44,317 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2019-10-02 09:29:44,317 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-10-02 09:29:44,320 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-02 09:29:44,320 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-10-02 09:29:44,321 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:38, output treesize:7 [2019-10-02 09:29:44,525 INFO L134 CoverageAnalysis]: Checked inductivity of 2436 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2436 trivial. 0 not checked. [2019-10-02 09:29:44,544 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-10-02 09:29:44,544 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [7] total 11 [2019-10-02 09:29:44,546 INFO L454 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-10-02 09:29:44,546 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-10-02 09:29:44,546 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2019-10-02 09:29:44,547 INFO L87 Difference]: Start difference. First operand 103228 states and 137441 transitions. Second operand 11 states. [2019-10-02 09:30:24,023 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 09:30:24,024 INFO L93 Difference]: Finished difference Result 250248 states and 340624 transitions. [2019-10-02 09:30:24,024 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2019-10-02 09:30:24,024 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 485 [2019-10-02 09:30:24,025 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 09:30:25,136 INFO L225 Difference]: With dead ends: 250248 [2019-10-02 09:30:25,137 INFO L226 Difference]: Without dead ends: 146931 [2019-10-02 09:30:25,535 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 496 GetRequests, 481 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=41, Invalid=199, Unknown=0, NotChecked=0, Total=240 [2019-10-02 09:30:25,677 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146931 states. [2019-10-02 09:30:35,899 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146931 to 140679. [2019-10-02 09:30:35,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 140679 states. [2019-10-02 09:30:36,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140679 states to 140679 states and 190120 transitions. [2019-10-02 09:30:36,408 INFO L78 Accepts]: Start accepts. Automaton has 140679 states and 190120 transitions. Word has length 485 [2019-10-02 09:30:36,409 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 09:30:36,409 INFO L475 AbstractCegarLoop]: Abstraction has 140679 states and 190120 transitions. [2019-10-02 09:30:36,409 INFO L476 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-10-02 09:30:36,409 INFO L276 IsEmpty]: Start isEmpty. Operand 140679 states and 190120 transitions. [2019-10-02 09:30:36,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 509 [2019-10-02 09:30:36,439 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 09:30:36,440 INFO L411 BasicCegarLoop]: trace histogram [25, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 09:30:36,440 INFO L418 AbstractCegarLoop]: === Iteration 18 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 09:30:36,440 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 09:30:36,440 INFO L82 PathProgramCache]: Analyzing trace with hash -937657345, now seen corresponding path program 1 times [2019-10-02 09:30:36,440 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 09:30:36,441 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 09:30:36,453 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 09:30:36,454 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-10-02 09:30:36,454 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 09:30:36,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 09:30:38,006 INFO L134 CoverageAnalysis]: Checked inductivity of 2760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2760 trivial. 0 not checked. [2019-10-02 09:30:38,007 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 09:30:38,007 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-02 09:30:38,008 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-02 09:30:38,008 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-02 09:30:38,009 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 09:30:38,009 INFO L87 Difference]: Start difference. First operand 140679 states and 190120 transitions. Second operand 3 states. [2019-10-02 09:30:47,096 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 09:30:47,097 INFO L93 Difference]: Finished difference Result 281262 states and 381403 transitions. [2019-10-02 09:30:47,097 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-02 09:30:47,097 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 508 [2019-10-02 09:30:47,098 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 09:30:47,903 INFO L225 Difference]: With dead ends: 281262 [2019-10-02 09:30:47,903 INFO L226 Difference]: Without dead ends: 140681 [2019-10-02 09:30:48,247 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 09:30:48,384 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140681 states. [2019-10-02 09:30:52,893 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140681 to 140428. [2019-10-02 09:30:52,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 140428 states. [2019-10-02 09:30:53,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140428 states to 140428 states and 189609 transitions. [2019-10-02 09:30:53,384 INFO L78 Accepts]: Start accepts. Automaton has 140428 states and 189609 transitions. Word has length 508 [2019-10-02 09:30:53,384 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 09:30:53,385 INFO L475 AbstractCegarLoop]: Abstraction has 140428 states and 189609 transitions. [2019-10-02 09:30:53,385 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-02 09:30:53,385 INFO L276 IsEmpty]: Start isEmpty. Operand 140428 states and 189609 transitions. [2019-10-02 09:30:53,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 519 [2019-10-02 09:30:53,404 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 09:30:53,405 INFO L411 BasicCegarLoop]: trace histogram [27, 17, 17, 17, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 09:30:53,405 INFO L418 AbstractCegarLoop]: === Iteration 19 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 09:30:53,405 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 09:30:53,406 INFO L82 PathProgramCache]: Analyzing trace with hash 38203526, now seen corresponding path program 1 times [2019-10-02 09:30:53,406 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 09:30:53,406 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 09:30:53,417 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 09:30:53,417 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 09:30:53,417 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 09:30:53,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 09:30:54,371 INFO L134 CoverageAnalysis]: Checked inductivity of 2934 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 2928 trivial. 0 not checked. [2019-10-02 09:30:54,372 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-10-02 09:30:54,372 INFO L224 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-10-02 09:30:55,001 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 09:30:57,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 09:30:57,098 INFO L256 TraceCheckSpWp]: Trace formula consists of 5324 conjuncts, 5 conjunts are in the unsatisfiable core [2019-10-02 09:30:57,141 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-02 09:30:57,391 INFO L134 CoverageAnalysis]: Checked inductivity of 2934 backedges. 155 proven. 3 refuted. 0 times theorem prover too weak. 2776 trivial. 0 not checked. [2019-10-02 09:30:57,413 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-10-02 09:30:57,414 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2019-10-02 09:30:57,415 INFO L454 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-10-02 09:30:57,415 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-10-02 09:30:57,415 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2019-10-02 09:30:57,416 INFO L87 Difference]: Start difference. First operand 140428 states and 189609 transitions. Second operand 10 states. [2019-10-02 09:31:04,944 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 09:31:04,945 INFO L93 Difference]: Finished difference Result 285418 states and 388820 transitions. [2019-10-02 09:31:04,945 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2019-10-02 09:31:04,945 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 518 [2019-10-02 09:31:04,946 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 09:31:05,809 INFO L225 Difference]: With dead ends: 285418 [2019-10-02 09:31:05,809 INFO L226 Difference]: Without dead ends: 145088 [2019-10-02 09:31:06,683 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 528 GetRequests, 517 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=117, Unknown=0, NotChecked=0, Total=156 [2019-10-02 09:31:06,790 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145088 states. [2019-10-02 09:31:10,667 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145088 to 140940. [2019-10-02 09:31:10,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 140940 states. [2019-10-02 09:31:11,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140940 states to 140940 states and 190269 transitions. [2019-10-02 09:31:11,196 INFO L78 Accepts]: Start accepts. Automaton has 140940 states and 190269 transitions. Word has length 518 [2019-10-02 09:31:11,197 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 09:31:11,197 INFO L475 AbstractCegarLoop]: Abstraction has 140940 states and 190269 transitions. [2019-10-02 09:31:11,197 INFO L476 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-10-02 09:31:11,197 INFO L276 IsEmpty]: Start isEmpty. Operand 140940 states and 190269 transitions. [2019-10-02 09:31:11,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 537 [2019-10-02 09:31:11,225 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 09:31:11,225 INFO L411 BasicCegarLoop]: trace histogram [25, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 4, 4, 4, 4, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 09:31:11,226 INFO L418 AbstractCegarLoop]: === Iteration 20 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 09:31:11,226 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 09:31:11,226 INFO L82 PathProgramCache]: Analyzing trace with hash 1881840261, now seen corresponding path program 1 times [2019-10-02 09:31:11,226 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 09:31:11,226 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 09:31:11,947 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 09:31:11,947 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 09:31:11,947 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 09:31:12,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 09:31:12,653 INFO L134 CoverageAnalysis]: Checked inductivity of 2777 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 2750 trivial. 0 not checked. [2019-10-02 09:31:12,654 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-10-02 09:31:12,654 INFO L224 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-10-02 09:31:13,087 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 09:31:14,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 09:31:14,146 INFO L256 TraceCheckSpWp]: Trace formula consists of 5352 conjuncts, 3 conjunts are in the unsatisfiable core [2019-10-02 09:31:14,161 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-02 09:31:14,366 INFO L134 CoverageAnalysis]: Checked inductivity of 2777 backedges. 411 proven. 0 refuted. 0 times theorem prover too weak. 2366 trivial. 0 not checked. [2019-10-02 09:31:14,388 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-10-02 09:31:14,389 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 5 [2019-10-02 09:31:14,390 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-02 09:31:14,390 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-02 09:31:14,390 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-10-02 09:31:14,391 INFO L87 Difference]: Start difference. First operand 140940 states and 190269 transitions. Second operand 5 states. [2019-10-02 09:31:34,653 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 09:31:34,654 INFO L93 Difference]: Finished difference Result 485719 states and 655081 transitions. [2019-10-02 09:31:34,654 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-02 09:31:34,654 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 536 [2019-10-02 09:31:34,655 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 09:31:36,899 INFO L225 Difference]: With dead ends: 485719 [2019-10-02 09:31:36,899 INFO L226 Difference]: Without dead ends: 485697 [2019-10-02 09:31:37,122 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 539 GetRequests, 536 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-10-02 09:31:37,591 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 485697 states. [2019-10-02 09:32:05,545 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 485697 to 482667. [2019-10-02 09:32:05,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 482667 states. [2019-10-02 09:32:07,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482667 states to 482667 states and 651991 transitions. [2019-10-02 09:32:07,374 INFO L78 Accepts]: Start accepts. Automaton has 482667 states and 651991 transitions. Word has length 536 [2019-10-02 09:32:07,374 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 09:32:07,374 INFO L475 AbstractCegarLoop]: Abstraction has 482667 states and 651991 transitions. [2019-10-02 09:32:07,374 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-02 09:32:07,375 INFO L276 IsEmpty]: Start isEmpty. Operand 482667 states and 651991 transitions. [2019-10-02 09:32:07,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 544 [2019-10-02 09:32:07,463 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 09:32:07,464 INFO L411 BasicCegarLoop]: trace histogram [28, 17, 17, 17, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 09:32:07,464 INFO L418 AbstractCegarLoop]: === Iteration 21 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 09:32:07,464 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 09:32:07,464 INFO L82 PathProgramCache]: Analyzing trace with hash 1108290889, now seen corresponding path program 1 times [2019-10-02 09:32:07,465 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 09:32:07,465 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 09:32:07,474 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 09:32:07,474 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 09:32:07,474 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 09:32:07,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 09:32:08,389 INFO L134 CoverageAnalysis]: Checked inductivity of 2991 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2991 trivial. 0 not checked. [2019-10-02 09:32:08,389 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 09:32:08,390 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-02 09:32:08,390 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-02 09:32:08,391 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-02 09:32:08,391 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 09:32:08,391 INFO L87 Difference]: Start difference. First operand 482667 states and 651991 transitions. Second operand 3 states. [2019-10-02 09:32:33,970 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 09:32:33,970 INFO L93 Difference]: Finished difference Result 963862 states and 1311225 transitions. [2019-10-02 09:32:33,970 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-02 09:32:33,971 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 543 [2019-10-02 09:32:33,971 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 09:32:37,155 INFO L225 Difference]: With dead ends: 963862 [2019-10-02 09:32:37,155 INFO L226 Difference]: Without dead ends: 484887 [2019-10-02 09:32:38,036 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 09:32:38,432 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 484887 states. [2019-10-02 09:33:14,520 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 484887 to 482889. [2019-10-02 09:33:14,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 482889 states. [2019-10-02 09:33:16,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482889 states to 482889 states and 652213 transitions. [2019-10-02 09:33:16,194 INFO L78 Accepts]: Start accepts. Automaton has 482889 states and 652213 transitions. Word has length 543 [2019-10-02 09:33:16,195 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 09:33:16,195 INFO L475 AbstractCegarLoop]: Abstraction has 482889 states and 652213 transitions. [2019-10-02 09:33:16,195 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-02 09:33:16,195 INFO L276 IsEmpty]: Start isEmpty. Operand 482889 states and 652213 transitions. [2019-10-02 09:33:16,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 539 [2019-10-02 09:33:16,265 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 09:33:16,265 INFO L411 BasicCegarLoop]: trace histogram [25, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2019-10-02 09:33:16,265 INFO L418 AbstractCegarLoop]: === Iteration 22 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 09:33:16,266 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 09:33:16,266 INFO L82 PathProgramCache]: Analyzing trace with hash -575845095, now seen corresponding path program 1 times [2019-10-02 09:33:16,266 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 09:33:16,266 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 09:33:16,276 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 09:33:16,276 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 09:33:16,276 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 09:33:16,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 09:33:18,481 INFO L134 CoverageAnalysis]: Checked inductivity of 2802 backedges. 12 proven. 207 refuted. 0 times theorem prover too weak. 2583 trivial. 0 not checked. [2019-10-02 09:33:18,482 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-10-02 09:33:18,482 INFO L224 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-10-02 09:33:18,951 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 09:33:31,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2019-10-02 09:33:31,874 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2019-10-02 09:33:31,874 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2019-10-02 09:33:31,875 INFO L454 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-02 09:33:31,875 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-02 09:33:31,875 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-10-02 09:33:31,875 INFO L87 Difference]: Start difference. First operand 482889 states and 652213 transitions. Second operand 8 states. [2019-10-02 09:33:58,686 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 09:33:58,687 INFO L93 Difference]: Finished difference Result 966873 states and 1305600 transitions. [2019-10-02 09:33:58,690 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-10-02 09:33:58,690 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 538 [2019-10-02 09:33:58,691 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 09:34:00,496 INFO L225 Difference]: With dead ends: 966873 [2019-10-02 09:34:00,496 INFO L226 Difference]: Without dead ends: 484023 [2019-10-02 09:34:01,367 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2019-10-02 09:34:01,781 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 484023 states. [2019-10-02 09:34:30,588 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 484023 to 482890. [2019-10-02 09:34:30,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 482890 states. [2019-10-02 09:34:34,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482890 states to 482890 states and 652215 transitions. [2019-10-02 09:34:34,094 INFO L78 Accepts]: Start accepts. Automaton has 482890 states and 652215 transitions. Word has length 538 [2019-10-02 09:34:34,095 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 09:34:34,095 INFO L475 AbstractCegarLoop]: Abstraction has 482890 states and 652215 transitions. [2019-10-02 09:34:34,095 INFO L476 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-02 09:34:34,095 INFO L276 IsEmpty]: Start isEmpty. Operand 482890 states and 652215 transitions. [2019-10-02 09:34:34,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 548 [2019-10-02 09:34:34,168 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 09:34:34,169 INFO L411 BasicCegarLoop]: trace histogram [34, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2019-10-02 09:34:34,169 INFO L418 AbstractCegarLoop]: === Iteration 23 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 09:34:34,169 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 09:34:34,169 INFO L82 PathProgramCache]: Analyzing trace with hash 1953781886, now seen corresponding path program 2 times [2019-10-02 09:34:34,169 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 09:34:34,169 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 09:34:34,178 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 09:34:34,178 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 09:34:34,178 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 09:34:34,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 09:34:35,147 INFO L134 CoverageAnalysis]: Checked inductivity of 3207 backedges. 12 proven. 280 refuted. 0 times theorem prover too weak. 2915 trivial. 0 not checked. [2019-10-02 09:34:35,148 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-10-02 09:34:35,148 INFO L224 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-10-02 09:34:35,612 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2019-10-02 09:35:02,359 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2019-10-02 09:35:02,360 INFO L250 tOrderPrioritization]: Conjunction of SSA is unknown [2019-10-02 09:35:02,506 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2019-10-02 09:35:02,506 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2019-10-02 09:35:02,507 INFO L454 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-10-02 09:35:02,507 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-10-02 09:35:02,507 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2019-10-02 09:35:02,508 INFO L87 Difference]: Start difference. First operand 482890 states and 652215 transitions. Second operand 9 states. [2019-10-02 09:35:18,843 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 09:35:18,843 INFO L93 Difference]: Finished difference Result 967624 states and 1315611 transitions. [2019-10-02 09:35:18,845 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-10-02 09:35:18,846 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 547 [2019-10-02 09:35:18,846 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 09:35:21,986 INFO L225 Difference]: With dead ends: 967624 [2019-10-02 09:35:21,986 INFO L226 Difference]: Without dead ends: 484773 [2019-10-02 09:35:22,986 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2019-10-02 09:35:23,378 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 484773 states. [2019-10-02 09:35:52,467 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 484773 to 483113. [2019-10-02 09:35:52,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 483113 states. [2019-10-02 09:35:55,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 483113 states to 483113 states and 652661 transitions. [2019-10-02 09:35:55,656 INFO L78 Accepts]: Start accepts. Automaton has 483113 states and 652661 transitions. Word has length 547 [2019-10-02 09:35:55,656 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 09:35:55,656 INFO L475 AbstractCegarLoop]: Abstraction has 483113 states and 652661 transitions. [2019-10-02 09:35:55,656 INFO L476 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-10-02 09:35:55,656 INFO L276 IsEmpty]: Start isEmpty. Operand 483113 states and 652661 transitions. [2019-10-02 09:35:55,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 557 [2019-10-02 09:35:55,722 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 09:35:55,722 INFO L411 BasicCegarLoop]: trace histogram [43, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2019-10-02 09:35:55,723 INFO L418 AbstractCegarLoop]: === Iteration 24 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 09:35:55,723 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 09:35:55,723 INFO L82 PathProgramCache]: Analyzing trace with hash -1843329735, now seen corresponding path program 3 times [2019-10-02 09:35:55,723 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 09:35:55,723 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 09:35:55,731 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 09:35:55,731 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-10-02 09:35:55,731 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 09:35:56,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 09:35:56,681 INFO L134 CoverageAnalysis]: Checked inductivity of 3693 backedges. 44 proven. 173 refuted. 0 times theorem prover too weak. 3476 trivial. 0 not checked. [2019-10-02 09:35:56,681 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-10-02 09:35:56,681 INFO L224 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-10-02 09:35:57,137 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2019-10-02 09:36:11,044 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2019-10-02 09:36:11,044 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-10-02 09:36:11,121 INFO L256 TraceCheckSpWp]: Trace formula consists of 3228 conjuncts, 10 conjunts are in the unsatisfiable core [2019-10-02 09:36:11,134 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-02 09:36:13,255 WARN L860 $PredicateComparison]: unable to prove that (exists ((v_dlfb_setup_modes_~info.base_BEFORE_CALL_2 Int) (v_dlfb_setup_modes_~info.offset_BEFORE_CALL_2 Int)) (not (= (mod (let ((.cse0 (+ v_dlfb_setup_modes_~info.offset_BEFORE_CALL_2 1081))) (+ (select (select |c_#memory_$Pointer$.base| v_dlfb_setup_modes_~info.base_BEFORE_CALL_2) .cse0) (select (select |c_#memory_$Pointer$.offset| v_dlfb_setup_modes_~info.base_BEFORE_CALL_2) .cse0))) 4294967296) 0))) is different from true [2019-10-02 09:36:13,580 WARN L191 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 17 [2019-10-02 09:36:13,627 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 18 [2019-10-02 09:36:13,627 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-10-02 09:36:13,635 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-02 09:36:13,637 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 12 [2019-10-02 09:36:13,638 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-10-02 09:36:13,645 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-02 09:36:13,646 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-10-02 09:36:13,646 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:39, output treesize:8 [2019-10-02 09:36:13,849 INFO L134 CoverageAnalysis]: Checked inductivity of 3693 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 3651 trivial. 0 not checked. [2019-10-02 09:36:13,871 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-10-02 09:36:13,871 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [7] total 12 [2019-10-02 09:36:13,872 INFO L454 AbstractCegarLoop]: Interpolant automaton has 12 states [2019-10-02 09:36:13,872 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2019-10-02 09:36:13,873 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=91, Unknown=1, NotChecked=18, Total=132 [2019-10-02 09:36:13,873 INFO L87 Difference]: Start difference. First operand 483113 states and 652661 transitions. Second operand 12 states.