java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --traceabstraction.trace.refinement.strategy SIFA_TAIPAN --sifa.abstract.domain CompoundDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--hid--hid-roccat-kovaplus.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-36ac518-m [2019-10-07 11:22:59,407 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-07 11:22:59,410 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-07 11:22:59,427 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-07 11:22:59,427 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-07 11:22:59,429 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-07 11:22:59,431 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-07 11:22:59,440 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-07 11:22:59,446 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-07 11:22:59,448 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-07 11:22:59,450 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-07 11:22:59,451 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-07 11:22:59,451 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-07 11:22:59,453 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-07 11:22:59,455 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-07 11:22:59,456 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-07 11:22:59,457 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-07 11:22:59,458 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-07 11:22:59,460 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-07 11:22:59,464 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-07 11:22:59,468 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-07 11:22:59,470 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-07 11:22:59,473 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-07 11:22:59,473 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-07 11:22:59,475 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-07 11:22:59,476 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-07 11:22:59,476 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-07 11:22:59,477 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-07 11:22:59,479 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-07 11:22:59,480 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-07 11:22:59,480 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-07 11:22:59,481 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-07 11:22:59,482 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-07 11:22:59,483 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-07 11:22:59,484 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-07 11:22:59,484 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-07 11:22:59,485 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-07 11:22:59,485 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-07 11:22:59,485 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-07 11:22:59,486 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-07 11:22:59,487 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-07 11:22:59,488 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 [2019-10-07 11:22:59,509 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-07 11:22:59,509 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-07 11:22:59,510 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-07 11:22:59,511 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-07 11:22:59,514 INFO L138 SettingsManager]: * Use SBE=true [2019-10-07 11:22:59,515 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-07 11:22:59,515 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-07 11:22:59,515 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-07 11:22:59,516 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-07 11:22:59,516 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-07 11:22:59,516 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-07 11:22:59,516 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-07 11:22:59,517 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-07 11:22:59,517 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-07 11:22:59,518 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-07 11:22:59,518 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-07 11:22:59,519 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-07 11:22:59,519 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-07 11:22:59,519 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-07 11:22:59,519 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-07 11:22:59,519 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-07 11:22:59,520 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-07 11:22:59,520 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-07 11:22:59,524 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-07 11:22:59,524 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-07 11:22:59,524 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-07 11:22:59,525 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-07 11:22:59,525 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-07 11:22:59,525 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> SIFA_TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> CompoundDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK [2019-10-07 11:22:59,790 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-07 11:22:59,802 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-07 11:22:59,806 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-07 11:22:59,807 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-07 11:22:59,807 INFO L275 PluginConnector]: CDTParser initialized [2019-10-07 11:22:59,808 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--hid--hid-roccat-kovaplus.ko-entry_point.cil.out.i [2019-10-07 11:22:59,884 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dc50af900/adf5924e32844ef98be120f961ae7c32/FLAG8bab5cd4b [2019-10-07 11:23:00,613 INFO L306 CDTParser]: Found 1 translation units. [2019-10-07 11:23:00,613 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--hid--hid-roccat-kovaplus.ko-entry_point.cil.out.i [2019-10-07 11:23:00,663 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dc50af900/adf5924e32844ef98be120f961ae7c32/FLAG8bab5cd4b [2019-10-07 11:23:00,702 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dc50af900/adf5924e32844ef98be120f961ae7c32 [2019-10-07 11:23:00,712 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-07 11:23:00,713 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-07 11:23:00,714 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-07 11:23:00,714 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-07 11:23:00,718 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-07 11:23:00,719 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 11:23:00" (1/1) ... [2019-10-07 11:23:00,721 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@a069adc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 11:23:00, skipping insertion in model container [2019-10-07 11:23:00,722 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 11:23:00" (1/1) ... [2019-10-07 11:23:00,729 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-07 11:23:00,875 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-07 11:23:02,831 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 11:23:02,912 INFO L188 MainTranslator]: Completed pre-run [2019-10-07 11:23:03,167 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 11:23:03,422 INFO L192 MainTranslator]: Completed translation [2019-10-07 11:23:03,422 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 11:23:03 WrapperNode [2019-10-07 11:23:03,423 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-07 11:23:03,423 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-07 11:23:03,424 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-07 11:23:03,424 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-07 11:23:03,438 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 11:23:03" (1/1) ... [2019-10-07 11:23:03,438 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 11:23:03" (1/1) ... [2019-10-07 11:23:03,490 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 11:23:03" (1/1) ... [2019-10-07 11:23:03,491 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 11:23:03" (1/1) ... [2019-10-07 11:23:03,617 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 11:23:03" (1/1) ... [2019-10-07 11:23:03,648 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 11:23:03" (1/1) ... [2019-10-07 11:23:03,676 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 11:23:03" (1/1) ... [2019-10-07 11:23:03,705 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-07 11:23:03,706 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-07 11:23:03,706 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-07 11:23:03,706 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-07 11:23:03,707 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 11:23:03" (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 [2019-10-07 11:23:03,775 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-07 11:23:03,775 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-07 11:23:03,776 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2019-10-07 11:23:03,776 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2019-10-07 11:23:03,776 INFO L138 BoogieDeclarations]: Found implementation of procedure kstrtoul [2019-10-07 11:23:03,776 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-10-07 11:23:03,776 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-10-07 11:23:03,777 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2019-10-07 11:23:03,777 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2019-10-07 11:23:03,777 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2019-10-07 11:23:03,777 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ptr [2019-10-07 11:23:03,777 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2019-10-07 11:23:03,778 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2019-10-07 11:23:03,778 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2019-10-07 11:23:03,778 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2019-10-07 11:23:03,778 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2019-10-07 11:23:03,778 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2019-10-07 11:23:03,779 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2019-10-07 11:23:03,779 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_get_drvdata [2019-10-07 11:23:03,779 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_set_drvdata [2019-10-07 11:23:03,779 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_parse [2019-10-07 11:23:03,779 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_hw_start [2019-10-07 11:23:03,780 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_hw_stop [2019-10-07 11:23:03,780 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2019-10-07 11:23:03,780 INFO L138 BoogieDeclarations]: Found implementation of procedure kovaplus_convert_event_cpi [2019-10-07 11:23:03,780 INFO L138 BoogieDeclarations]: Found implementation of procedure kovaplus_profile_activated [2019-10-07 11:23:03,780 INFO L138 BoogieDeclarations]: Found implementation of procedure kovaplus_send_control [2019-10-07 11:23:03,781 INFO L138 BoogieDeclarations]: Found implementation of procedure kovaplus_select_profile [2019-10-07 11:23:03,781 INFO L138 BoogieDeclarations]: Found implementation of procedure kovaplus_get_profile_settings [2019-10-07 11:23:03,781 INFO L138 BoogieDeclarations]: Found implementation of procedure kovaplus_get_profile_buttons [2019-10-07 11:23:03,781 INFO L138 BoogieDeclarations]: Found implementation of procedure kovaplus_get_actual_profile [2019-10-07 11:23:03,781 INFO L138 BoogieDeclarations]: Found implementation of procedure kovaplus_set_actual_profile [2019-10-07 11:23:03,781 INFO L138 BoogieDeclarations]: Found implementation of procedure kovaplus_sysfs_read [2019-10-07 11:23:03,782 INFO L138 BoogieDeclarations]: Found implementation of procedure kovaplus_sysfs_write [2019-10-07 11:23:03,782 INFO L138 BoogieDeclarations]: Found implementation of procedure kovaplus_sysfs_write_control [2019-10-07 11:23:03,782 INFO L138 BoogieDeclarations]: Found implementation of procedure kovaplus_sysfs_write_info [2019-10-07 11:23:03,782 INFO L138 BoogieDeclarations]: Found implementation of procedure kovaplus_sysfs_read_info [2019-10-07 11:23:03,782 INFO L138 BoogieDeclarations]: Found implementation of procedure kovaplus_sysfs_write_profile_settings [2019-10-07 11:23:03,782 INFO L138 BoogieDeclarations]: Found implementation of procedure kovaplus_sysfs_read_profile_settings [2019-10-07 11:23:03,783 INFO L138 BoogieDeclarations]: Found implementation of procedure kovaplus_sysfs_write_profile_buttons [2019-10-07 11:23:03,783 INFO L138 BoogieDeclarations]: Found implementation of procedure kovaplus_sysfs_read_profile_buttons [2019-10-07 11:23:03,783 INFO L138 BoogieDeclarations]: Found implementation of procedure kovaplus_sysfs_read_profilex_settings [2019-10-07 11:23:03,783 INFO L138 BoogieDeclarations]: Found implementation of procedure kovaplus_sysfs_read_profilex_buttons [2019-10-07 11:23:03,783 INFO L138 BoogieDeclarations]: Found implementation of procedure kovaplus_sysfs_show_actual_profile [2019-10-07 11:23:03,783 INFO L138 BoogieDeclarations]: Found implementation of procedure kovaplus_sysfs_set_actual_profile [2019-10-07 11:23:03,784 INFO L138 BoogieDeclarations]: Found implementation of procedure kovaplus_sysfs_show_actual_cpi [2019-10-07 11:23:03,784 INFO L138 BoogieDeclarations]: Found implementation of procedure kovaplus_sysfs_show_actual_sensitivity_x [2019-10-07 11:23:03,784 INFO L138 BoogieDeclarations]: Found implementation of procedure kovaplus_sysfs_show_actual_sensitivity_y [2019-10-07 11:23:03,784 INFO L138 BoogieDeclarations]: Found implementation of procedure kovaplus_sysfs_show_firmware_version [2019-10-07 11:23:03,784 INFO L138 BoogieDeclarations]: Found implementation of procedure kovaplus_init_kovaplus_device_struct [2019-10-07 11:23:03,784 INFO L138 BoogieDeclarations]: Found implementation of procedure kovaplus_init_specials [2019-10-07 11:23:03,785 INFO L138 BoogieDeclarations]: Found implementation of procedure kovaplus_remove_specials [2019-10-07 11:23:03,785 INFO L138 BoogieDeclarations]: Found implementation of procedure kovaplus_probe [2019-10-07 11:23:03,785 INFO L138 BoogieDeclarations]: Found implementation of procedure kovaplus_remove [2019-10-07 11:23:03,785 INFO L138 BoogieDeclarations]: Found implementation of procedure kovaplus_keep_values_up_to_date [2019-10-07 11:23:03,785 INFO L138 BoogieDeclarations]: Found implementation of procedure kovaplus_report_to_chrdev [2019-10-07 11:23:03,785 INFO L138 BoogieDeclarations]: Found implementation of procedure kovaplus_raw_event [2019-10-07 11:23:03,786 INFO L138 BoogieDeclarations]: Found implementation of procedure kovaplus_init [2019-10-07 11:23:03,786 INFO L138 BoogieDeclarations]: Found implementation of procedure kovaplus_exit [2019-10-07 11:23:03,786 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_bin_attribute_17 [2019-10-07 11:23:03,786 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_bin_attribute_18 [2019-10-07 11:23:03,786 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_hid_driver_1 [2019-10-07 11:23:03,786 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_device_attribute_6 [2019-10-07 11:23:03,787 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_bin_attribute_19 [2019-10-07 11:23:03,787 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-07 11:23:03,787 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2019-10-07 11:23:03,787 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2019-10-07 11:23:03,787 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_5 [2019-10-07 11:23:03,787 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_6 [2019-10-07 11:23:03,787 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_7 [2019-10-07 11:23:03,788 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_8 [2019-10-07 11:23:03,788 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_9 [2019-10-07 11:23:03,788 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_10 [2019-10-07 11:23:03,788 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_11 [2019-10-07 11:23:03,788 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_12 [2019-10-07 11:23:03,788 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_13 [2019-10-07 11:23:03,789 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_14 [2019-10-07 11:23:03,789 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_15 [2019-10-07 11:23:03,789 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_16 [2019-10-07 11:23:03,789 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_17 [2019-10-07 11:23:03,789 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_18 [2019-10-07 11:23:03,789 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_19 [2019-10-07 11:23:03,790 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_20 [2019-10-07 11:23:03,790 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2019-10-07 11:23:03,790 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int_negative [2019-10-07 11:23:03,790 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2019-10-07 11:23:03,790 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2019-10-07 11:23:03,790 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2019-10-07 11:23:03,791 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2019-10-07 11:23:03,791 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_i_mutex_of_inode [2019-10-07 11:23:03,791 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_i_mutex_of_inode [2019-10-07 11:23:03,791 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_i_mutex_of_inode [2019-10-07 11:23:03,791 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_i_mutex_of_inode [2019-10-07 11:23:03,791 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_i_mutex_of_inode [2019-10-07 11:23:03,791 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_i_mutex_of_inode [2019-10-07 11:23:03,792 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_i_mutex_of_inode [2019-10-07 11:23:03,792 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_i_mutex_of_inode [2019-10-07 11:23:03,792 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_trylock_device_i_mutex_of_inode [2019-10-07 11:23:03,792 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_for_reset_i_mutex_of_inode [2019-10-07 11:23:03,792 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_unlock_device_i_mutex_of_inode [2019-10-07 11:23:03,792 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_kovaplus_lock_of_kovaplus_device [2019-10-07 11:23:03,792 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_kovaplus_lock_of_kovaplus_device [2019-10-07 11:23:03,793 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_kovaplus_lock_of_kovaplus_device [2019-10-07 11:23:03,793 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_kovaplus_lock_of_kovaplus_device [2019-10-07 11:23:03,793 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_kovaplus_lock_of_kovaplus_device [2019-10-07 11:23:03,793 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_kovaplus_lock_of_kovaplus_device [2019-10-07 11:23:03,793 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_kovaplus_lock_of_kovaplus_device [2019-10-07 11:23:03,793 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_kovaplus_lock_of_kovaplus_device [2019-10-07 11:23:03,794 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_trylock_device_kovaplus_lock_of_kovaplus_device [2019-10-07 11:23:03,794 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_for_reset_kovaplus_lock_of_kovaplus_device [2019-10-07 11:23:03,794 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_unlock_device_kovaplus_lock_of_kovaplus_device [2019-10-07 11:23:03,794 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_lock [2019-10-07 11:23:03,794 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_lock [2019-10-07 11:23:03,794 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock [2019-10-07 11:23:03,794 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_lock [2019-10-07 11:23:03,795 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_lock [2019-10-07 11:23:03,795 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_lock [2019-10-07 11:23:03,795 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock [2019-10-07 11:23:03,795 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_lock [2019-10-07 11:23:03,795 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_trylock_device_lock [2019-10-07 11:23:03,795 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_for_reset_lock [2019-10-07 11:23:03,795 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_unlock_device_lock [2019-10-07 11:23:03,796 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_mutex_of_device [2019-10-07 11:23:03,796 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_mutex_of_device [2019-10-07 11:23:03,796 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mutex_of_device [2019-10-07 11:23:03,796 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_mutex_of_device [2019-10-07 11:23:03,796 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2019-10-07 11:23:03,796 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_mutex_of_device [2019-10-07 11:23:03,797 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex_of_device [2019-10-07 11:23:03,797 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_mutex_of_device [2019-10-07 11:23:03,797 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_trylock_device_mutex_of_device [2019-10-07 11:23:03,797 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_for_reset_mutex_of_device [2019-10-07 11:23:03,797 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_unlock_device_mutex_of_device [2019-10-07 11:23:03,797 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-10-07 11:23:03,798 INFO L138 BoogieDeclarations]: Found implementation of procedure __class_create [2019-10-07 11:23:03,798 INFO L138 BoogieDeclarations]: Found implementation of procedure __hid_register_driver [2019-10-07 11:23:03,798 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2019-10-07 11:23:03,798 INFO L138 BoogieDeclarations]: Found implementation of procedure class_destroy [2019-10-07 11:23:03,798 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2019-10-07 11:23:03,798 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_connect [2019-10-07 11:23:03,799 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_disconnect [2019-10-07 11:23:03,799 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_open_report [2019-10-07 11:23:03,799 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_unregister_driver [2019-10-07 11:23:03,799 INFO L138 BoogieDeclarations]: Found implementation of procedure kstrtoull [2019-10-07 11:23:03,799 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-10-07 11:23:03,799 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_probe_10 [2019-10-07 11:23:03,799 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_probe_11 [2019-10-07 11:23:03,800 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_probe_12 [2019-10-07 11:23:03,800 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_probe_13 [2019-10-07 11:23:03,800 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_probe_14 [2019-10-07 11:23:03,800 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_probe_15 [2019-10-07 11:23:03,800 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_probe_16 [2019-10-07 11:23:03,800 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_probe_17 [2019-10-07 11:23:03,801 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_probe_18 [2019-10-07 11:23:03,801 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_probe_19 [2019-10-07 11:23:03,801 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_probe_20 [2019-10-07 11:23:03,801 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_probe_7 [2019-10-07 11:23:03,801 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_probe_8 [2019-10-07 11:23:03,801 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_probe_9 [2019-10-07 11:23:03,801 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_10 [2019-10-07 11:23:03,802 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_11 [2019-10-07 11:23:03,802 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_12 [2019-10-07 11:23:03,802 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_13 [2019-10-07 11:23:03,802 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_14 [2019-10-07 11:23:03,802 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_15 [2019-10-07 11:23:03,802 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_16 [2019-10-07 11:23:03,802 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_17 [2019-10-07 11:23:03,803 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_18 [2019-10-07 11:23:03,803 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_19 [2019-10-07 11:23:03,803 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_20 [2019-10-07 11:23:03,803 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_7 [2019-10-07 11:23:03,803 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_8 [2019-10-07 11:23:03,803 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_9 [2019-10-07 11:23:03,803 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2019-10-07 11:23:03,804 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2019-10-07 11:23:03,804 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_trylock [2019-10-07 11:23:03,804 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2019-10-07 11:23:03,804 INFO L138 BoogieDeclarations]: Found implementation of procedure roccat_common2_receive [2019-10-07 11:23:03,804 INFO L138 BoogieDeclarations]: Found implementation of procedure roccat_common2_send [2019-10-07 11:23:03,804 INFO L138 BoogieDeclarations]: Found implementation of procedure roccat_common2_send_with_status [2019-10-07 11:23:03,804 INFO L138 BoogieDeclarations]: Found implementation of procedure roccat_connect [2019-10-07 11:23:03,804 INFO L138 BoogieDeclarations]: Found implementation of procedure roccat_disconnect [2019-10-07 11:23:03,805 INFO L138 BoogieDeclarations]: Found implementation of procedure roccat_report_event [2019-10-07 11:23:03,805 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-10-07 11:23:03,805 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-10-07 11:23:03,805 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-10-07 11:23:03,805 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-10-07 11:23:03,805 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-07 11:23:03,806 INFO L130 BoogieDeclarations]: Found specification of procedure kstrtoull [2019-10-07 11:23:03,806 INFO L130 BoogieDeclarations]: Found specification of procedure kstrtoul [2019-10-07 11:23:03,806 INFO L130 BoogieDeclarations]: Found specification of procedure snprintf [2019-10-07 11:23:03,806 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2019-10-07 11:23:03,806 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2019-10-07 11:23:03,806 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-10-07 11:23:03,806 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2019-10-07 11:23:03,807 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2019-10-07 11:23:03,807 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2019-10-07 11:23:03,807 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_trylock [2019-10-07 11:23:03,807 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_8 [2019-10-07 11:23:03,807 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2019-10-07 11:23:03,807 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_6 [2019-10-07 11:23:03,807 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_9 [2019-10-07 11:23:03,808 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_10 [2019-10-07 11:23:03,808 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_13 [2019-10-07 11:23:03,808 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_15 [2019-10-07 11:23:03,808 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_17 [2019-10-07 11:23:03,808 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_18 [2019-10-07 11:23:03,808 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_20 [2019-10-07 11:23:03,808 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-07 11:23:03,809 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-10-07 11:23:03,809 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-07 11:23:03,809 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-10-07 11:23:03,809 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-10-07 11:23:03,809 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-10-07 11:23:03,809 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-10-07 11:23:03,809 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-07 11:23:03,810 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-10-07 11:23:03,810 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-10-07 11:23:03,810 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2019-10-07 11:23:03,810 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2019-10-07 11:23:03,810 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-10-07 11:23:03,810 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2019-10-07 11:23:03,810 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ptr [2019-10-07 11:23:03,811 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2019-10-07 11:23:03,811 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2019-10-07 11:23:03,811 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2019-10-07 11:23:03,811 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_5 [2019-10-07 11:23:03,811 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_7 [2019-10-07 11:23:03,811 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_11 [2019-10-07 11:23:03,811 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_12 [2019-10-07 11:23:03,812 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_14 [2019-10-07 11:23:03,812 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_16 [2019-10-07 11:23:03,812 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_19 [2019-10-07 11:23:03,812 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_i_mutex_of_inode [2019-10-07 11:23:03,812 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_i_mutex_of_inode [2019-10-07 11:23:03,812 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_kovaplus_lock_of_kovaplus_device [2019-10-07 11:23:03,812 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_kovaplus_lock_of_kovaplus_device [2019-10-07 11:23:03,813 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock [2019-10-07 11:23:03,813 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock [2019-10-07 11:23:03,813 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mutex_of_device [2019-10-07 11:23:03,813 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_mutex_of_device [2019-10-07 11:23:03,813 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex_of_device [2019-10-07 11:23:03,813 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-10-07 11:23:03,813 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2019-10-07 11:23:03,813 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2019-10-07 11:23:03,814 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2019-10-07 11:23:03,814 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_bin_attribute_17 [2019-10-07 11:23:03,814 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_bin_attribute_18 [2019-10-07 11:23:03,814 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_hid_driver_1 [2019-10-07 11:23:03,814 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_device_attribute_6 [2019-10-07 11:23:03,814 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_bin_attribute_19 [2019-10-07 11:23:03,814 INFO L130 BoogieDeclarations]: Found specification of procedure __class_create [2019-10-07 11:23:03,815 INFO L130 BoogieDeclarations]: Found specification of procedure class_destroy [2019-10-07 11:23:03,815 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2019-10-07 11:23:03,815 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-07 11:23:03,815 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2019-10-07 11:23:03,815 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-07 11:23:03,815 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2019-10-07 11:23:03,815 INFO L130 BoogieDeclarations]: Found specification of procedure hid_get_drvdata [2019-10-07 11:23:03,815 INFO L130 BoogieDeclarations]: Found specification of procedure hid_set_drvdata [2019-10-07 11:23:03,816 INFO L130 BoogieDeclarations]: Found specification of procedure __hid_register_driver [2019-10-07 11:23:03,816 INFO L130 BoogieDeclarations]: Found specification of procedure hid_unregister_driver [2019-10-07 11:23:03,816 INFO L130 BoogieDeclarations]: Found specification of procedure hid_open_report [2019-10-07 11:23:03,816 INFO L130 BoogieDeclarations]: Found specification of procedure hid_connect [2019-10-07 11:23:03,816 INFO L130 BoogieDeclarations]: Found specification of procedure hid_disconnect [2019-10-07 11:23:03,816 INFO L130 BoogieDeclarations]: Found specification of procedure hid_parse [2019-10-07 11:23:03,817 INFO L130 BoogieDeclarations]: Found specification of procedure hid_hw_start [2019-10-07 11:23:03,817 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2019-10-07 11:23:03,817 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2019-10-07 11:23:03,817 INFO L130 BoogieDeclarations]: Found specification of procedure hid_hw_stop [2019-10-07 11:23:03,817 INFO L130 BoogieDeclarations]: Found specification of procedure roccat_connect [2019-10-07 11:23:03,817 INFO L130 BoogieDeclarations]: Found specification of procedure roccat_disconnect [2019-10-07 11:23:03,817 INFO L130 BoogieDeclarations]: Found specification of procedure roccat_report_event [2019-10-07 11:23:03,817 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2019-10-07 11:23:03,818 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2019-10-07 11:23:03,818 INFO L130 BoogieDeclarations]: Found specification of procedure roccat_common2_receive [2019-10-07 11:23:03,818 INFO L130 BoogieDeclarations]: Found specification of procedure roccat_common2_send [2019-10-07 11:23:03,818 INFO L130 BoogieDeclarations]: Found specification of procedure roccat_common2_send_with_status [2019-10-07 11:23:03,818 INFO L130 BoogieDeclarations]: Found specification of procedure kovaplus_convert_event_cpi [2019-10-07 11:23:03,818 INFO L130 BoogieDeclarations]: Found specification of procedure kovaplus_profile_activated [2019-10-07 11:23:03,819 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-07 11:23:03,819 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-07 11:23:03,819 INFO L130 BoogieDeclarations]: Found specification of procedure kovaplus_send_control [2019-10-07 11:23:03,819 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-07 11:23:03,819 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-07 11:23:03,819 INFO L130 BoogieDeclarations]: Found specification of procedure kovaplus_select_profile [2019-10-07 11:23:03,819 INFO L130 BoogieDeclarations]: Found specification of procedure kovaplus_get_profile_settings [2019-10-07 11:23:03,820 INFO L130 BoogieDeclarations]: Found specification of procedure kovaplus_get_profile_buttons [2019-10-07 11:23:03,820 INFO L130 BoogieDeclarations]: Found specification of procedure kovaplus_get_actual_profile [2019-10-07 11:23:03,820 INFO L130 BoogieDeclarations]: Found specification of procedure kovaplus_set_actual_profile [2019-10-07 11:23:03,820 INFO L130 BoogieDeclarations]: Found specification of procedure kovaplus_sysfs_read [2019-10-07 11:23:03,820 INFO L130 BoogieDeclarations]: Found specification of procedure kovaplus_sysfs_write [2019-10-07 11:23:03,820 INFO L130 BoogieDeclarations]: Found specification of procedure kovaplus_sysfs_write_control [2019-10-07 11:23:03,820 INFO L130 BoogieDeclarations]: Found specification of procedure kovaplus_sysfs_write_info [2019-10-07 11:23:03,821 INFO L130 BoogieDeclarations]: Found specification of procedure kovaplus_sysfs_read_info [2019-10-07 11:23:03,821 INFO L130 BoogieDeclarations]: Found specification of procedure kovaplus_sysfs_write_profile_settings [2019-10-07 11:23:03,821 INFO L130 BoogieDeclarations]: Found specification of procedure kovaplus_sysfs_read_profile_settings [2019-10-07 11:23:03,821 INFO L130 BoogieDeclarations]: Found specification of procedure kovaplus_sysfs_write_profile_buttons [2019-10-07 11:23:03,821 INFO L130 BoogieDeclarations]: Found specification of procedure kovaplus_sysfs_read_profile_buttons [2019-10-07 11:23:03,821 INFO L130 BoogieDeclarations]: Found specification of procedure kovaplus_sysfs_read_profilex_settings [2019-10-07 11:23:03,821 INFO L130 BoogieDeclarations]: Found specification of procedure kovaplus_sysfs_read_profilex_buttons [2019-10-07 11:23:03,822 INFO L130 BoogieDeclarations]: Found specification of procedure kovaplus_sysfs_show_actual_profile [2019-10-07 11:23:03,822 INFO L130 BoogieDeclarations]: Found specification of procedure kovaplus_sysfs_set_actual_profile [2019-10-07 11:23:03,822 INFO L130 BoogieDeclarations]: Found specification of procedure kovaplus_sysfs_show_actual_cpi [2019-10-07 11:23:03,822 INFO L130 BoogieDeclarations]: Found specification of procedure kovaplus_sysfs_show_actual_sensitivity_x [2019-10-07 11:23:03,822 INFO L130 BoogieDeclarations]: Found specification of procedure kovaplus_sysfs_show_actual_sensitivity_y [2019-10-07 11:23:03,822 INFO L130 BoogieDeclarations]: Found specification of procedure kovaplus_sysfs_show_firmware_version [2019-10-07 11:23:03,822 INFO L130 BoogieDeclarations]: Found specification of procedure kovaplus_init_kovaplus_device_struct [2019-10-07 11:23:03,823 INFO L130 BoogieDeclarations]: Found specification of procedure kovaplus_init_specials [2019-10-07 11:23:03,823 INFO L130 BoogieDeclarations]: Found specification of procedure kovaplus_remove_specials [2019-10-07 11:23:03,823 INFO L130 BoogieDeclarations]: Found specification of procedure kovaplus_probe [2019-10-07 11:23:03,823 INFO L130 BoogieDeclarations]: Found specification of procedure kovaplus_remove [2019-10-07 11:23:03,823 INFO L130 BoogieDeclarations]: Found specification of procedure kovaplus_keep_values_up_to_date [2019-10-07 11:23:03,823 INFO L130 BoogieDeclarations]: Found specification of procedure kovaplus_report_to_chrdev [2019-10-07 11:23:03,823 INFO L130 BoogieDeclarations]: Found specification of procedure kovaplus_raw_event [2019-10-07 11:23:03,823 INFO L130 BoogieDeclarations]: Found specification of procedure kovaplus_init [2019-10-07 11:23:03,824 INFO L130 BoogieDeclarations]: Found specification of procedure kovaplus_exit [2019-10-07 11:23:03,824 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_probe_16 [2019-10-07 11:23:03,824 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_14 [2019-10-07 11:23:03,824 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_20 [2019-10-07 11:23:03,824 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_11 [2019-10-07 11:23:03,824 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_9 [2019-10-07 11:23:03,824 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_probe_11 [2019-10-07 11:23:03,825 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_12 [2019-10-07 11:23:03,825 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_19 [2019-10-07 11:23:03,825 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_probe_10 [2019-10-07 11:23:03,825 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_probe_20 [2019-10-07 11:23:03,825 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_probe_13 [2019-10-07 11:23:03,825 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_probe_8 [2019-10-07 11:23:03,825 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_probe_14 [2019-10-07 11:23:03,825 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-10-07 11:23:03,826 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_probe_7 [2019-10-07 11:23:03,826 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_probe_18 [2019-10-07 11:23:03,826 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_7 [2019-10-07 11:23:03,826 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_probe_19 [2019-10-07 11:23:03,826 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_8 [2019-10-07 11:23:03,826 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_16 [2019-10-07 11:23:03,826 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-10-07 11:23:03,826 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_18 [2019-10-07 11:23:03,827 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_10 [2019-10-07 11:23:03,827 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_13 [2019-10-07 11:23:03,827 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_probe_17 [2019-10-07 11:23:03,827 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_probe_15 [2019-10-07 11:23:03,827 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_17 [2019-10-07 11:23:03,827 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_probe_9 [2019-10-07 11:23:03,827 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_probe_12 [2019-10-07 11:23:03,828 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_15 [2019-10-07 11:23:03,828 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-07 11:23:03,828 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2019-10-07 11:23:03,828 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int_negative [2019-10-07 11:23:03,828 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2019-10-07 11:23:03,828 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2019-10-07 11:23:03,828 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_i_mutex_of_inode [2019-10-07 11:23:03,828 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_i_mutex_of_inode [2019-10-07 11:23:03,829 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_i_mutex_of_inode [2019-10-07 11:23:03,829 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_i_mutex_of_inode [2019-10-07 11:23:03,829 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_i_mutex_of_inode [2019-10-07 11:23:03,829 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_i_mutex_of_inode [2019-10-07 11:23:03,829 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_trylock_device_i_mutex_of_inode [2019-10-07 11:23:03,829 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_for_reset_i_mutex_of_inode [2019-10-07 11:23:03,829 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_unlock_device_i_mutex_of_inode [2019-10-07 11:23:03,830 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_kovaplus_lock_of_kovaplus_device [2019-10-07 11:23:03,830 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_kovaplus_lock_of_kovaplus_device [2019-10-07 11:23:03,830 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_kovaplus_lock_of_kovaplus_device [2019-10-07 11:23:03,830 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_kovaplus_lock_of_kovaplus_device [2019-10-07 11:23:03,830 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_kovaplus_lock_of_kovaplus_device [2019-10-07 11:23:03,830 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_kovaplus_lock_of_kovaplus_device [2019-10-07 11:23:03,830 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_trylock_device_kovaplus_lock_of_kovaplus_device [2019-10-07 11:23:03,831 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_for_reset_kovaplus_lock_of_kovaplus_device [2019-10-07 11:23:03,831 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_unlock_device_kovaplus_lock_of_kovaplus_device [2019-10-07 11:23:03,831 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_lock [2019-10-07 11:23:03,831 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_lock [2019-10-07 11:23:03,831 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_lock [2019-10-07 11:23:03,831 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_lock [2019-10-07 11:23:03,831 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_lock [2019-10-07 11:23:03,831 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_lock [2019-10-07 11:23:03,832 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_trylock_device_lock [2019-10-07 11:23:03,832 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_for_reset_lock [2019-10-07 11:23:03,832 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_unlock_device_lock [2019-10-07 11:23:03,832 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_mutex_of_device [2019-10-07 11:23:03,832 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_mutex_of_device [2019-10-07 11:23:03,832 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2019-10-07 11:23:03,832 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_mutex_of_device [2019-10-07 11:23:03,833 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_mutex_of_device [2019-10-07 11:23:03,833 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_trylock_device_mutex_of_device [2019-10-07 11:23:03,833 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_for_reset_mutex_of_device [2019-10-07 11:23:03,833 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_unlock_device_mutex_of_device [2019-10-07 11:23:03,833 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-10-07 11:23:03,833 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-07 11:23:03,833 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-07 11:23:03,833 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-07 11:23:03,834 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-10-07 11:23:03,834 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2019-10-07 11:23:03,834 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-07 11:23:04,780 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2019-10-07 11:23:13,171 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-07 11:23:13,171 INFO L284 CfgBuilder]: Removed 0 assume(true) statements. [2019-10-07 11:23:13,173 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 11:23:13 BoogieIcfgContainer [2019-10-07 11:23:13,174 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-07 11:23:13,175 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-07 11:23:13,181 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-07 11:23:13,189 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-07 11:23:13,190 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.10 11:23:00" (1/3) ... [2019-10-07 11:23:13,190 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a92a6a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 11:23:13, skipping insertion in model container [2019-10-07 11:23:13,190 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 11:23:03" (2/3) ... [2019-10-07 11:23:13,191 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a92a6a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 11:23:13, skipping insertion in model container [2019-10-07 11:23:13,191 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 11:23:13" (3/3) ... [2019-10-07 11:23:13,197 INFO L109 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-32_7a-drivers--hid--hid-roccat-kovaplus.ko-entry_point.cil.out.i [2019-10-07 11:23:13,207 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-07 11:23:13,217 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-07 11:23:13,228 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-07 11:23:13,266 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-07 11:23:13,267 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-07 11:23:13,267 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-07 11:23:13,267 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-07 11:23:13,267 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-07 11:23:13,267 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-07 11:23:13,267 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-07 11:23:13,267 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-07 11:23:13,310 INFO L276 IsEmpty]: Start isEmpty. Operand 1297 states. [2019-10-07 11:23:13,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 806 [2019-10-07 11:23:13,367 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 11:23:13,369 INFO L385 BasicCegarLoop]: trace histogram [56, 56, 56, 56, 56, 36, 36, 36, 36, 36, 36, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 11:23:13,372 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 11:23:13,377 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 11:23:13,378 INFO L82 PathProgramCache]: Analyzing trace with hash -1448749206, now seen corresponding path program 1 times [2019-10-07 11:23:13,387 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 11:23:13,387 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 11:23:13,387 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 11:23:13,387 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 11:23:13,388 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 11:23:14,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 11:23:15,498 INFO L134 CoverageAnalysis]: Checked inductivity of 13650 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13650 trivial. 0 not checked. [2019-10-07 11:23:15,499 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 11:23:15,499 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 11:23:15,500 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 11:23:15,506 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 11:23:15,518 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 11:23:15,519 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 11:23:15,521 INFO L87 Difference]: Start difference. First operand 1297 states. Second operand 3 states. [2019-10-07 11:23:16,394 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 11:23:16,394 INFO L93 Difference]: Finished difference Result 2846 states and 3922 transitions. [2019-10-07 11:23:16,395 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 11:23:16,396 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 805 [2019-10-07 11:23:16,401 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 11:23:16,432 INFO L225 Difference]: With dead ends: 2846 [2019-10-07 11:23:16,432 INFO L226 Difference]: Without dead ends: 1824 [2019-10-07 11:23:16,443 INFO L606 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 [2019-10-07 11:23:16,470 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1824 states. [2019-10-07 11:23:16,616 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1824 to 1820. [2019-10-07 11:23:16,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1820 states. [2019-10-07 11:23:16,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1820 states to 1820 states and 2430 transitions. [2019-10-07 11:23:16,634 INFO L78 Accepts]: Start accepts. Automaton has 1820 states and 2430 transitions. Word has length 805 [2019-10-07 11:23:16,641 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 11:23:16,641 INFO L462 AbstractCegarLoop]: Abstraction has 1820 states and 2430 transitions. [2019-10-07 11:23:16,641 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 11:23:16,641 INFO L276 IsEmpty]: Start isEmpty. Operand 1820 states and 2430 transitions. [2019-10-07 11:23:16,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 814 [2019-10-07 11:23:16,695 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 11:23:16,696 INFO L385 BasicCegarLoop]: trace histogram [56, 56, 56, 56, 56, 36, 36, 36, 36, 36, 36, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 11:23:16,696 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 11:23:16,696 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 11:23:16,697 INFO L82 PathProgramCache]: Analyzing trace with hash 912008216, now seen corresponding path program 1 times [2019-10-07 11:23:16,697 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 11:23:16,697 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 11:23:16,697 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 11:23:16,698 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 11:23:16,698 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 11:23:17,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 11:23:18,470 INFO L134 CoverageAnalysis]: Checked inductivity of 13652 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13652 trivial. 0 not checked. [2019-10-07 11:23:18,470 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 11:23:18,470 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 11:23:18,471 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 11:23:18,477 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 11:23:18,477 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 11:23:18,477 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 11:23:18,477 INFO L87 Difference]: Start difference. First operand 1820 states and 2430 transitions. Second operand 3 states. [2019-10-07 11:23:18,698 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 11:23:18,699 INFO L93 Difference]: Finished difference Result 4995 states and 6618 transitions. [2019-10-07 11:23:18,699 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 11:23:18,699 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 813 [2019-10-07 11:23:18,701 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 11:23:18,726 INFO L225 Difference]: With dead ends: 4995 [2019-10-07 11:23:18,726 INFO L226 Difference]: Without dead ends: 3374 [2019-10-07 11:23:18,733 INFO L606 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 [2019-10-07 11:23:18,740 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3374 states. [2019-10-07 11:23:18,861 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3374 to 3350. [2019-10-07 11:23:18,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3350 states. [2019-10-07 11:23:18,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3350 states to 3350 states and 4451 transitions. [2019-10-07 11:23:18,885 INFO L78 Accepts]: Start accepts. Automaton has 3350 states and 4451 transitions. Word has length 813 [2019-10-07 11:23:18,887 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 11:23:18,887 INFO L462 AbstractCegarLoop]: Abstraction has 3350 states and 4451 transitions. [2019-10-07 11:23:18,887 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 11:23:18,887 INFO L276 IsEmpty]: Start isEmpty. Operand 3350 states and 4451 transitions. [2019-10-07 11:23:18,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 819 [2019-10-07 11:23:18,897 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 11:23:18,898 INFO L385 BasicCegarLoop]: trace histogram [56, 56, 56, 56, 56, 36, 36, 36, 36, 36, 36, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 11:23:18,898 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 11:23:18,898 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 11:23:18,899 INFO L82 PathProgramCache]: Analyzing trace with hash 1174862511, now seen corresponding path program 1 times [2019-10-07 11:23:18,899 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 11:23:18,899 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 11:23:18,899 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 11:23:18,899 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 11:23:18,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 11:23:19,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 11:23:20,409 INFO L134 CoverageAnalysis]: Checked inductivity of 13652 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13652 trivial. 0 not checked. [2019-10-07 11:23:20,409 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 11:23:20,409 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 11:23:20,410 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 11:23:20,412 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 11:23:20,412 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 11:23:20,412 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 11:23:20,412 INFO L87 Difference]: Start difference. First operand 3350 states and 4451 transitions. Second operand 3 states. [2019-10-07 11:23:20,719 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 11:23:20,719 INFO L93 Difference]: Finished difference Result 9496 states and 12566 transitions. [2019-10-07 11:23:20,720 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 11:23:20,720 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 818 [2019-10-07 11:23:20,722 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 11:23:20,761 INFO L225 Difference]: With dead ends: 9496 [2019-10-07 11:23:20,761 INFO L226 Difference]: Without dead ends: 6345 [2019-10-07 11:23:20,778 INFO L606 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 [2019-10-07 11:23:20,788 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6345 states. [2019-10-07 11:23:21,148 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6345 to 6320. [2019-10-07 11:23:21,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6320 states. [2019-10-07 11:23:21,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6320 states to 6320 states and 8375 transitions. [2019-10-07 11:23:21,185 INFO L78 Accepts]: Start accepts. Automaton has 6320 states and 8375 transitions. Word has length 818 [2019-10-07 11:23:21,186 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 11:23:21,187 INFO L462 AbstractCegarLoop]: Abstraction has 6320 states and 8375 transitions. [2019-10-07 11:23:21,187 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 11:23:21,187 INFO L276 IsEmpty]: Start isEmpty. Operand 6320 states and 8375 transitions. [2019-10-07 11:23:21,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 816 [2019-10-07 11:23:21,197 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 11:23:21,198 INFO L385 BasicCegarLoop]: trace histogram [56, 56, 56, 56, 56, 36, 36, 36, 36, 36, 36, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 11:23:21,198 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 11:23:21,198 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 11:23:21,199 INFO L82 PathProgramCache]: Analyzing trace with hash 1661069893, now seen corresponding path program 1 times [2019-10-07 11:23:21,199 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 11:23:21,199 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 11:23:21,199 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 11:23:21,200 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 11:23:21,200 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 11:23:21,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 11:23:22,645 INFO L134 CoverageAnalysis]: Checked inductivity of 13652 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13652 trivial. 0 not checked. [2019-10-07 11:23:22,646 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 11:23:22,646 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 11:23:22,646 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 11:23:22,647 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 11:23:22,647 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 11:23:22,648 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 11:23:22,648 INFO L87 Difference]: Start difference. First operand 6320 states and 8375 transitions. Second operand 3 states. [2019-10-07 11:23:23,643 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 11:23:23,644 INFO L93 Difference]: Finished difference Result 18313 states and 24211 transitions. [2019-10-07 11:23:23,644 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 11:23:23,644 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 815 [2019-10-07 11:23:23,646 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 11:23:23,717 INFO L225 Difference]: With dead ends: 18313 [2019-10-07 11:23:23,718 INFO L226 Difference]: Without dead ends: 12192 [2019-10-07 11:23:23,740 INFO L606 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 [2019-10-07 11:23:23,757 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12192 states. [2019-10-07 11:23:24,203 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12192 to 12077. [2019-10-07 11:23:24,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12077 states. [2019-10-07 11:23:24,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12077 states to 12077 states and 15987 transitions. [2019-10-07 11:23:24,246 INFO L78 Accepts]: Start accepts. Automaton has 12077 states and 15987 transitions. Word has length 815 [2019-10-07 11:23:24,248 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 11:23:24,248 INFO L462 AbstractCegarLoop]: Abstraction has 12077 states and 15987 transitions. [2019-10-07 11:23:24,248 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 11:23:24,248 INFO L276 IsEmpty]: Start isEmpty. Operand 12077 states and 15987 transitions. [2019-10-07 11:23:24,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 831 [2019-10-07 11:23:24,258 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 11:23:24,259 INFO L385 BasicCegarLoop]: trace histogram [56, 56, 56, 56, 56, 36, 36, 36, 36, 36, 36, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 11:23:24,259 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 11:23:24,259 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 11:23:24,260 INFO L82 PathProgramCache]: Analyzing trace with hash -1728945212, now seen corresponding path program 1 times [2019-10-07 11:23:24,260 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 11:23:24,260 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 11:23:24,260 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 11:23:24,261 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 11:23:24,261 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 11:23:24,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 11:23:25,867 INFO L134 CoverageAnalysis]: Checked inductivity of 13654 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13654 trivial. 0 not checked. [2019-10-07 11:23:25,868 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 11:23:25,868 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 11:23:25,868 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 11:23:25,869 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 11:23:25,869 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 11:23:25,870 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 11:23:25,870 INFO L87 Difference]: Start difference. First operand 12077 states and 15987 transitions. Second operand 3 states. [2019-10-07 11:23:26,655 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 11:23:26,655 INFO L93 Difference]: Finished difference Result 35544 states and 46977 transitions. [2019-10-07 11:23:26,656 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 11:23:26,656 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 830 [2019-10-07 11:23:26,659 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 11:23:26,821 INFO L225 Difference]: With dead ends: 35544 [2019-10-07 11:23:26,822 INFO L226 Difference]: Without dead ends: 23666 [2019-10-07 11:23:26,872 INFO L606 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 [2019-10-07 11:23:26,913 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23666 states. [2019-10-07 11:23:27,789 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23666 to 23501. [2019-10-07 11:23:27,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23501 states. [2019-10-07 11:23:27,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23501 states to 23501 states and 31075 transitions. [2019-10-07 11:23:27,867 INFO L78 Accepts]: Start accepts. Automaton has 23501 states and 31075 transitions. Word has length 830 [2019-10-07 11:23:27,869 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 11:23:27,869 INFO L462 AbstractCegarLoop]: Abstraction has 23501 states and 31075 transitions. [2019-10-07 11:23:27,869 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 11:23:27,869 INFO L276 IsEmpty]: Start isEmpty. Operand 23501 states and 31075 transitions. [2019-10-07 11:23:27,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 830 [2019-10-07 11:23:27,879 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 11:23:27,879 INFO L385 BasicCegarLoop]: trace histogram [56, 56, 56, 56, 56, 36, 36, 36, 36, 36, 36, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 11:23:27,880 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 11:23:27,880 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 11:23:27,880 INFO L82 PathProgramCache]: Analyzing trace with hash -2064268997, now seen corresponding path program 1 times [2019-10-07 11:23:27,880 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 11:23:27,880 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 11:23:27,881 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 11:23:27,881 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 11:23:27,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 11:23:28,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 11:23:29,304 INFO L134 CoverageAnalysis]: Checked inductivity of 13654 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13654 trivial. 0 not checked. [2019-10-07 11:23:29,304 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 11:23:29,304 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 11:23:29,305 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 11:23:29,305 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 11:23:29,306 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 11:23:29,307 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 11:23:29,307 INFO L87 Difference]: Start difference. First operand 23501 states and 31075 transitions. Second operand 3 states. [2019-10-07 11:23:30,389 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 11:23:30,390 INFO L93 Difference]: Finished difference Result 69528 states and 91841 transitions. [2019-10-07 11:23:30,390 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 11:23:30,391 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 829 [2019-10-07 11:23:30,392 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 11:23:30,594 INFO L225 Difference]: With dead ends: 69528 [2019-10-07 11:23:30,594 INFO L226 Difference]: Without dead ends: 46226 [2019-10-07 11:23:30,684 INFO L606 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 [2019-10-07 11:23:30,740 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46226 states. [2019-10-07 11:23:33,039 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46226 to 46061. [2019-10-07 11:23:33,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 46061 states. [2019-10-07 11:23:33,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46061 states to 46061 states and 60835 transitions. [2019-10-07 11:23:33,190 INFO L78 Accepts]: Start accepts. Automaton has 46061 states and 60835 transitions. Word has length 829 [2019-10-07 11:23:33,191 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 11:23:33,191 INFO L462 AbstractCegarLoop]: Abstraction has 46061 states and 60835 transitions. [2019-10-07 11:23:33,192 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 11:23:33,192 INFO L276 IsEmpty]: Start isEmpty. Operand 46061 states and 60835 transitions. [2019-10-07 11:23:33,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 832 [2019-10-07 11:23:33,202 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 11:23:33,203 INFO L385 BasicCegarLoop]: trace histogram [56, 56, 56, 56, 56, 36, 36, 36, 36, 36, 36, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 11:23:33,203 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 11:23:33,203 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 11:23:33,204 INFO L82 PathProgramCache]: Analyzing trace with hash 469293085, now seen corresponding path program 1 times [2019-10-07 11:23:33,204 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 11:23:33,204 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 11:23:33,204 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 11:23:33,204 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 11:23:33,205 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 11:23:33,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 11:23:34,478 INFO L134 CoverageAnalysis]: Checked inductivity of 13652 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13652 trivial. 0 not checked. [2019-10-07 11:23:34,479 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 11:23:34,479 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 11:23:34,479 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 11:23:34,480 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 11:23:34,480 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 11:23:34,481 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 11:23:34,481 INFO L87 Difference]: Start difference. First operand 46061 states and 60835 transitions. Second operand 3 states. [2019-10-07 11:23:36,218 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 11:23:36,218 INFO L93 Difference]: Finished difference Result 135728 states and 179201 transitions. [2019-10-07 11:23:36,219 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 11:23:36,219 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 831 [2019-10-07 11:23:36,222 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 11:23:36,663 INFO L225 Difference]: With dead ends: 135728 [2019-10-07 11:23:36,664 INFO L226 Difference]: Without dead ends: 89866 [2019-10-07 11:23:36,800 INFO L606 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 [2019-10-07 11:23:36,908 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89866 states. [2019-10-07 11:23:41,061 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89866 to 89822. [2019-10-07 11:23:41,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 89822 states. [2019-10-07 11:23:41,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89822 states to 89822 states and 118544 transitions. [2019-10-07 11:23:41,250 INFO L78 Accepts]: Start accepts. Automaton has 89822 states and 118544 transitions. Word has length 831 [2019-10-07 11:23:41,252 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 11:23:41,252 INFO L462 AbstractCegarLoop]: Abstraction has 89822 states and 118544 transitions. [2019-10-07 11:23:41,252 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 11:23:41,252 INFO L276 IsEmpty]: Start isEmpty. Operand 89822 states and 118544 transitions. [2019-10-07 11:23:41,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 827 [2019-10-07 11:23:41,262 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 11:23:41,262 INFO L385 BasicCegarLoop]: trace histogram [56, 56, 56, 56, 56, 36, 36, 36, 36, 36, 36, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 11:23:41,263 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 11:23:41,263 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 11:23:41,263 INFO L82 PathProgramCache]: Analyzing trace with hash -1458203349, now seen corresponding path program 1 times [2019-10-07 11:23:41,264 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 11:23:41,264 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 11:23:41,264 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 11:23:41,264 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 11:23:41,264 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 11:23:41,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 11:23:42,794 INFO L134 CoverageAnalysis]: Checked inductivity of 13652 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13652 trivial. 0 not checked. [2019-10-07 11:23:42,795 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 11:23:42,797 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 11:23:42,798 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 11:23:42,800 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 11:23:42,800 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 11:23:42,800 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 11:23:42,801 INFO L87 Difference]: Start difference. First operand 89822 states and 118544 transitions. Second operand 3 states. [2019-10-07 11:23:47,540 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 11:23:47,540 INFO L93 Difference]: Finished difference Result 265774 states and 350717 transitions. [2019-10-07 11:23:47,540 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 11:23:47,541 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 826 [2019-10-07 11:23:47,543 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 11:23:48,199 INFO L225 Difference]: With dead ends: 265774 [2019-10-07 11:23:48,200 INFO L226 Difference]: Without dead ends: 176157 [2019-10-07 11:23:48,414 INFO L606 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 [2019-10-07 11:23:48,628 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 176157 states. [2019-10-07 11:23:51,861 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 176157 to 176130. [2019-10-07 11:23:51,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 176130 states. [2019-10-07 11:23:52,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176130 states to 176130 states and 232312 transitions. [2019-10-07 11:23:52,288 INFO L78 Accepts]: Start accepts. Automaton has 176130 states and 232312 transitions. Word has length 826 [2019-10-07 11:23:52,289 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 11:23:52,289 INFO L462 AbstractCegarLoop]: Abstraction has 176130 states and 232312 transitions. [2019-10-07 11:23:52,289 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 11:23:52,290 INFO L276 IsEmpty]: Start isEmpty. Operand 176130 states and 232312 transitions. [2019-10-07 11:23:52,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 830 [2019-10-07 11:23:52,302 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 11:23:52,302 INFO L385 BasicCegarLoop]: trace histogram [56, 56, 56, 56, 56, 36, 36, 36, 36, 36, 36, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 11:23:52,303 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 11:23:52,303 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 11:23:52,303 INFO L82 PathProgramCache]: Analyzing trace with hash 261617993, now seen corresponding path program 1 times [2019-10-07 11:23:52,304 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 11:23:52,304 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 11:23:52,304 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 11:23:52,304 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 11:23:52,305 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 11:23:55,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 11:23:56,617 INFO L134 CoverageAnalysis]: Checked inductivity of 13652 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13652 trivial. 0 not checked. [2019-10-07 11:23:56,617 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 11:23:56,618 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 11:23:56,619 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 11:23:56,620 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 11:23:56,620 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 11:23:56,620 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 11:23:56,620 INFO L87 Difference]: Start difference. First operand 176130 states and 232312 transitions. Second operand 3 states. [2019-10-07 11:24:01,356 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 11:24:01,356 INFO L93 Difference]: Finished difference Result 510730 states and 673717 transitions. [2019-10-07 11:24:01,356 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 11:24:01,356 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 829 [2019-10-07 11:24:01,358 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 11:24:02,351 INFO L225 Difference]: With dead ends: 510730 [2019-10-07 11:24:02,352 INFO L226 Difference]: Without dead ends: 334805 [2019-10-07 11:24:02,604 INFO L606 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 [2019-10-07 11:24:02,869 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 334805 states. [2019-10-07 11:24:14,381 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 334805 to 334674. [2019-10-07 11:24:14,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 334674 states. [2019-10-07 11:24:15,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 334674 states to 334674 states and 441304 transitions. [2019-10-07 11:24:15,138 INFO L78 Accepts]: Start accepts. Automaton has 334674 states and 441304 transitions. Word has length 829 [2019-10-07 11:24:15,139 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 11:24:15,139 INFO L462 AbstractCegarLoop]: Abstraction has 334674 states and 441304 transitions. [2019-10-07 11:24:15,139 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 11:24:15,140 INFO L276 IsEmpty]: Start isEmpty. Operand 334674 states and 441304 transitions. [2019-10-07 11:24:15,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 827 [2019-10-07 11:24:15,151 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 11:24:15,152 INFO L385 BasicCegarLoop]: trace histogram [56, 56, 56, 56, 56, 36, 36, 36, 36, 36, 36, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 11:24:15,152 INFO L410 AbstractCegarLoop]: === Iteration 10 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 11:24:15,152 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 11:24:15,153 INFO L82 PathProgramCache]: Analyzing trace with hash -1630842397, now seen corresponding path program 1 times [2019-10-07 11:24:15,153 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 11:24:15,153 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 11:24:15,153 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 11:24:15,153 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 11:24:15,154 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 11:24:15,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 11:24:21,832 INFO L134 CoverageAnalysis]: Checked inductivity of 13650 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13650 trivial. 0 not checked. [2019-10-07 11:24:21,833 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 11:24:21,833 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 11:24:21,833 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 11:24:21,834 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 11:24:21,835 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 11:24:21,835 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 11:24:21,835 INFO L87 Difference]: Start difference. First operand 334674 states and 441304 transitions. Second operand 3 states. [2019-10-07 11:24:26,576 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 11:24:26,576 INFO L93 Difference]: Finished difference Result 334676 states and 441305 transitions. [2019-10-07 11:24:26,576 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 11:24:26,577 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 826 [2019-10-07 11:24:26,578 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 11:24:27,396 INFO L225 Difference]: With dead ends: 334676 [2019-10-07 11:24:27,396 INFO L226 Difference]: Without dead ends: 334673 [2019-10-07 11:24:27,462 INFO L606 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 [2019-10-07 11:24:27,699 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 334673 states. [2019-10-07 11:24:41,364 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 334673 to 334673. [2019-10-07 11:24:41,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 334673 states. [2019-10-07 11:24:42,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 334673 states to 334673 states and 441302 transitions. [2019-10-07 11:24:42,801 INFO L78 Accepts]: Start accepts. Automaton has 334673 states and 441302 transitions. Word has length 826 [2019-10-07 11:24:42,802 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 11:24:42,802 INFO L462 AbstractCegarLoop]: Abstraction has 334673 states and 441302 transitions. [2019-10-07 11:24:42,802 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 11:24:42,803 INFO L276 IsEmpty]: Start isEmpty. Operand 334673 states and 441302 transitions. [2019-10-07 11:24:42,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 828 [2019-10-07 11:24:42,812 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 11:24:42,813 INFO L385 BasicCegarLoop]: trace histogram [56, 56, 56, 56, 56, 36, 36, 36, 36, 36, 36, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 11:24:42,813 INFO L410 AbstractCegarLoop]: === Iteration 11 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 11:24:42,813 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 11:24:42,814 INFO L82 PathProgramCache]: Analyzing trace with hash 982864892, now seen corresponding path program 1 times [2019-10-07 11:24:42,814 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 11:24:42,814 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 11:24:42,814 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 11:24:42,815 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 11:24:42,815 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 11:24:43,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 11:24:44,117 INFO L134 CoverageAnalysis]: Checked inductivity of 13650 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13650 trivial. 0 not checked. [2019-10-07 11:24:44,118 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 11:24:44,118 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 11:24:44,118 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 11:24:44,119 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 11:24:44,119 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 11:24:44,120 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 11:24:44,120 INFO L87 Difference]: Start difference. First operand 334673 states and 441302 transitions. Second operand 3 states. [2019-10-07 11:24:53,018 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 11:24:53,018 INFO L93 Difference]: Finished difference Result 336725 states and 442328 transitions. [2019-10-07 11:24:53,019 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 11:24:53,019 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 827 [2019-10-07 11:24:53,020 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 11:24:53,825 INFO L225 Difference]: With dead ends: 336725 [2019-10-07 11:24:53,826 INFO L226 Difference]: Without dead ends: 336721 [2019-10-07 11:24:53,916 INFO L606 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 [2019-10-07 11:24:54,190 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 336721 states. [2019-10-07 11:25:03,455 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 336721 to 336719. [2019-10-07 11:25:03,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 336719 states. [2019-10-07 11:25:04,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 336719 states to 336719 states and 441811 transitions. [2019-10-07 11:25:04,151 INFO L78 Accepts]: Start accepts. Automaton has 336719 states and 441811 transitions. Word has length 827 [2019-10-07 11:25:04,152 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 11:25:04,152 INFO L462 AbstractCegarLoop]: Abstraction has 336719 states and 441811 transitions. [2019-10-07 11:25:04,152 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 11:25:04,152 INFO L276 IsEmpty]: Start isEmpty. Operand 336719 states and 441811 transitions. [2019-10-07 11:25:04,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 829 [2019-10-07 11:25:04,161 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 11:25:04,162 INFO L385 BasicCegarLoop]: trace histogram [56, 56, 56, 56, 56, 36, 36, 36, 36, 36, 36, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 11:25:04,162 INFO L410 AbstractCegarLoop]: === Iteration 12 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 11:25:04,163 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 11:25:04,163 INFO L82 PathProgramCache]: Analyzing trace with hash 403417094, now seen corresponding path program 1 times [2019-10-07 11:25:04,163 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 11:25:04,164 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 11:25:04,164 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 11:25:04,164 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 11:25:04,164 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 11:25:04,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 11:25:11,115 INFO L134 CoverageAnalysis]: Checked inductivity of 13650 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13650 trivial. 0 not checked. [2019-10-07 11:25:11,116 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 11:25:11,116 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 11:25:11,116 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 11:25:11,117 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 11:25:11,117 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 11:25:11,118 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 11:25:11,118 INFO L87 Difference]: Start difference. First operand 336719 states and 441811 transitions. Second operand 3 states. [2019-10-07 11:25:15,980 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 11:25:15,980 INFO L93 Difference]: Finished difference Result 336721 states and 441812 transitions. [2019-10-07 11:25:15,981 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 11:25:15,981 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 828 [2019-10-07 11:25:15,982 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 11:25:17,054 INFO L225 Difference]: With dead ends: 336721 [2019-10-07 11:25:17,054 INFO L226 Difference]: Without dead ends: 336718 [2019-10-07 11:25:17,141 INFO L606 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 [2019-10-07 11:25:17,421 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 336718 states. [2019-10-07 11:25:31,470 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 336718 to 336718. [2019-10-07 11:25:31,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 336718 states. [2019-10-07 11:25:32,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 336718 states to 336718 states and 441809 transitions. [2019-10-07 11:25:32,735 INFO L78 Accepts]: Start accepts. Automaton has 336718 states and 441809 transitions. Word has length 828 [2019-10-07 11:25:32,736 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 11:25:32,736 INFO L462 AbstractCegarLoop]: Abstraction has 336718 states and 441809 transitions. [2019-10-07 11:25:32,736 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 11:25:32,737 INFO L276 IsEmpty]: Start isEmpty. Operand 336718 states and 441809 transitions. [2019-10-07 11:25:32,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 830 [2019-10-07 11:25:32,745 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 11:25:32,746 INFO L385 BasicCegarLoop]: trace histogram [56, 56, 56, 56, 56, 36, 36, 36, 36, 36, 36, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 11:25:32,746 INFO L410 AbstractCegarLoop]: === Iteration 13 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 11:25:32,746 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 11:25:32,746 INFO L82 PathProgramCache]: Analyzing trace with hash -379590593, now seen corresponding path program 1 times [2019-10-07 11:25:32,747 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 11:25:32,747 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 11:25:32,747 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 11:25:32,747 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 11:25:32,747 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 11:25:32,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 11:25:33,688 INFO L134 CoverageAnalysis]: Checked inductivity of 13650 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13650 trivial. 0 not checked. [2019-10-07 11:25:33,688 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 11:25:33,688 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 11:25:33,689 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 11:25:33,690 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 11:25:33,690 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 11:25:33,691 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 11:25:33,691 INFO L87 Difference]: Start difference. First operand 336718 states and 441809 transitions. Second operand 3 states. [2019-10-07 11:25:42,858 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 11:25:42,858 INFO L93 Difference]: Finished difference Result 336720 states and 441810 transitions. [2019-10-07 11:25:42,859 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 11:25:42,859 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 829 [2019-10-07 11:25:42,860 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 11:25:44,136 INFO L225 Difference]: With dead ends: 336720 [2019-10-07 11:25:44,136 INFO L226 Difference]: Without dead ends: 336702 [2019-10-07 11:25:44,215 INFO L606 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 [2019-10-07 11:25:44,447 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 336702 states. [2019-10-07 11:25:53,784 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 336702 to 336702. [2019-10-07 11:25:53,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 336702 states. [2019-10-07 11:26:03,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 336702 states to 336702 states and 441280 transitions. [2019-10-07 11:26:03,557 INFO L78 Accepts]: Start accepts. Automaton has 336702 states and 441280 transitions. Word has length 829 [2019-10-07 11:26:03,558 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 11:26:03,558 INFO L462 AbstractCegarLoop]: Abstraction has 336702 states and 441280 transitions. [2019-10-07 11:26:03,559 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 11:26:03,559 INFO L276 IsEmpty]: Start isEmpty. Operand 336702 states and 441280 transitions. [2019-10-07 11:26:03,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 857 [2019-10-07 11:26:03,567 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 11:26:03,567 INFO L385 BasicCegarLoop]: trace histogram [56, 56, 56, 56, 56, 36, 36, 36, 36, 36, 36, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 11:26:03,568 INFO L410 AbstractCegarLoop]: === Iteration 14 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 11:26:03,568 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 11:26:03,568 INFO L82 PathProgramCache]: Analyzing trace with hash 232257614, now seen corresponding path program 1 times [2019-10-07 11:26:03,568 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 11:26:03,569 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 11:26:03,569 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 11:26:03,569 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 11:26:03,569 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 11:26:03,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 11:26:05,311 INFO L134 CoverageAnalysis]: Checked inductivity of 13654 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13654 trivial. 0 not checked. [2019-10-07 11:26:05,312 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 11:26:05,312 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 11:26:05,312 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 11:26:05,313 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 11:26:05,313 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 11:26:05,314 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 11:26:05,314 INFO L87 Difference]: Start difference. First operand 336702 states and 441280 transitions. Second operand 3 states. [2019-10-07 11:26:25,200 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 11:26:25,200 INFO L93 Difference]: Finished difference Result 1000414 states and 1310366 transitions. [2019-10-07 11:26:25,200 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 11:26:25,201 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 856 [2019-10-07 11:26:25,201 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 11:26:27,037 INFO L225 Difference]: With dead ends: 1000414 [2019-10-07 11:26:27,037 INFO L226 Difference]: Without dead ends: 663917 [2019-10-07 11:26:28,579 INFO L606 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 [2019-10-07 11:26:29,077 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 663917 states. [2019-10-07 11:27:05,008 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 663917 to 663806. [2019-10-07 11:27:05,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 663806 states. [2019-10-07 11:27:07,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 663806 states to 663806 states and 868752 transitions. [2019-10-07 11:27:07,698 INFO L78 Accepts]: Start accepts. Automaton has 663806 states and 868752 transitions. Word has length 856 [2019-10-07 11:27:07,698 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 11:27:07,699 INFO L462 AbstractCegarLoop]: Abstraction has 663806 states and 868752 transitions. [2019-10-07 11:27:07,699 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 11:27:07,699 INFO L276 IsEmpty]: Start isEmpty. Operand 663806 states and 868752 transitions. [2019-10-07 11:27:07,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 860 [2019-10-07 11:27:07,706 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 11:27:07,707 INFO L385 BasicCegarLoop]: trace histogram [56, 56, 56, 56, 56, 36, 36, 36, 36, 36, 36, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 11:27:07,707 INFO L410 AbstractCegarLoop]: === Iteration 15 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 11:27:07,707 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 11:27:07,708 INFO L82 PathProgramCache]: Analyzing trace with hash -1032151581, now seen corresponding path program 1 times [2019-10-07 11:27:07,708 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 11:27:07,708 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 11:27:07,708 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 11:27:07,709 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 11:27:07,709 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 11:27:07,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 11:27:09,525 INFO L134 CoverageAnalysis]: Checked inductivity of 13654 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13654 trivial. 0 not checked. [2019-10-07 11:27:09,526 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 11:27:09,526 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 11:27:09,526 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 11:27:09,527 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 11:27:09,527 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 11:27:09,527 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 11:27:09,527 INFO L87 Difference]: Start difference. First operand 663806 states and 868752 transitions. Second operand 3 states. [2019-10-07 11:28:00,147 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 11:28:00,147 INFO L93 Difference]: Finished difference Result 1972510 states and 2579982 transitions. [2019-10-07 11:28:00,148 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 11:28:00,148 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 859 [2019-10-07 11:28:00,149 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 11:28:03,740 INFO L225 Difference]: With dead ends: 1972510 [2019-10-07 11:28:03,740 INFO L226 Difference]: Without dead ends: 1308909 [2019-10-07 11:28:05,580 INFO L606 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 [2019-10-07 11:28:06,628 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1308909 states.