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-commit-tester/m0_drivers-media-video-cx88-cx88-dvb-ko--32_7a--d47b389.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-36ac518-m [2019-10-07 05:30:32,892 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-07 05:30:32,895 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-07 05:30:32,913 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-07 05:30:32,913 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-07 05:30:32,915 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-07 05:30:32,916 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-07 05:30:32,918 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-07 05:30:32,920 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-07 05:30:32,921 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-07 05:30:32,922 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-07 05:30:32,923 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-07 05:30:32,923 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-07 05:30:32,924 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-07 05:30:32,925 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-07 05:30:32,926 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-07 05:30:32,927 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-07 05:30:32,928 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-07 05:30:32,930 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-07 05:30:32,932 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-07 05:30:32,933 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-07 05:30:32,934 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-07 05:30:32,935 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-07 05:30:32,936 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-07 05:30:32,938 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-07 05:30:32,939 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-07 05:30:32,939 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-07 05:30:32,940 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-07 05:30:32,940 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-07 05:30:32,941 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-07 05:30:32,942 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-07 05:30:32,942 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-07 05:30:32,943 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-07 05:30:32,944 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-07 05:30:32,945 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-07 05:30:32,945 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-07 05:30:32,946 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-07 05:30:32,946 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-07 05:30:32,946 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-07 05:30:32,947 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-07 05:30:32,948 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-07 05:30:32,949 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 05:30:32,962 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-07 05:30:32,963 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-07 05:30:32,964 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-07 05:30:32,964 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-07 05:30:32,964 INFO L138 SettingsManager]: * Use SBE=true [2019-10-07 05:30:32,965 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-07 05:30:32,965 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-07 05:30:32,965 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-07 05:30:32,965 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-07 05:30:32,965 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-07 05:30:32,966 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-07 05:30:32,966 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-07 05:30:32,966 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-07 05:30:32,966 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-07 05:30:32,966 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-07 05:30:32,967 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-07 05:30:32,967 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-07 05:30:32,967 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-07 05:30:32,967 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-07 05:30:32,967 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-07 05:30:32,968 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-07 05:30:32,968 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-07 05:30:32,968 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-07 05:30:32,968 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-07 05:30:32,969 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-07 05:30:32,969 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-07 05:30:32,969 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-07 05:30:32,969 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-07 05:30:32,969 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 05:30:33,243 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-07 05:30:33,259 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-07 05:30:33,263 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-07 05:30:33,264 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-07 05:30:33,265 INFO L275 PluginConnector]: CDTParser initialized [2019-10-07 05:30:33,265 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-commit-tester/m0_drivers-media-video-cx88-cx88-dvb-ko--32_7a--d47b389.i [2019-10-07 05:30:33,337 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/eee7209bd/7c958ab5ce0d4de1b670b42ecfbf628b/FLAG83208d83b [2019-10-07 05:30:34,234 INFO L306 CDTParser]: Found 1 translation units. [2019-10-07 05:30:34,235 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-commit-tester/m0_drivers-media-video-cx88-cx88-dvb-ko--32_7a--d47b389.i [2019-10-07 05:30:34,287 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/eee7209bd/7c958ab5ce0d4de1b670b42ecfbf628b/FLAG83208d83b [2019-10-07 05:30:34,654 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/eee7209bd/7c958ab5ce0d4de1b670b42ecfbf628b [2019-10-07 05:30:34,664 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-07 05:30:34,666 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-07 05:30:34,667 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-07 05:30:34,667 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-07 05:30:34,670 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-07 05:30:34,671 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 05:30:34" (1/1) ... [2019-10-07 05:30:34,673 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@41493ca3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 05:30:34, skipping insertion in model container [2019-10-07 05:30:34,673 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 05:30:34" (1/1) ... [2019-10-07 05:30:34,681 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-07 05:30:34,846 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-07 05:30:37,387 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 05:30:37,479 INFO L188 MainTranslator]: Completed pre-run [2019-10-07 05:30:38,019 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 05:30:38,181 INFO L192 MainTranslator]: Completed translation [2019-10-07 05:30:38,181 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 05:30:38 WrapperNode [2019-10-07 05:30:38,182 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-07 05:30:38,183 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-07 05:30:38,183 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-07 05:30:38,183 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-07 05:30:38,198 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 05:30:38" (1/1) ... [2019-10-07 05:30:38,199 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 05:30:38" (1/1) ... [2019-10-07 05:30:38,363 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 05:30:38" (1/1) ... [2019-10-07 05:30:38,364 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 05:30:38" (1/1) ... [2019-10-07 05:30:38,526 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 05:30:38" (1/1) ... [2019-10-07 05:30:38,553 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 05:30:38" (1/1) ... [2019-10-07 05:30:38,596 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 05:30:38" (1/1) ... [2019-10-07 05:30:38,630 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-07 05:30:38,632 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-07 05:30:38,632 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-07 05:30:38,632 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-07 05:30:38,633 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 05:30:38" (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 05:30:38,703 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-07 05:30:38,703 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-07 05:30:38,703 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~int [2019-10-07 05:30:38,704 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~int [2019-10-07 05:30:38,704 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~TO~int [2019-10-07 05:30:38,704 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2019-10-07 05:30:38,706 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~fe_sec_voltage_t~0~TO~int [2019-10-07 05:30:38,706 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~$Pointer$ [2019-10-07 05:30:38,706 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~int~TO~$Pointer$ [2019-10-07 05:30:38,706 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~~u8~0~X~int~TO~$Pointer$ [2019-10-07 05:30:38,706 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~~u8~0~X~~u8~0~X~~u8~0~TO~$Pointer$ [2019-10-07 05:30:38,708 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~~u8~0~TO~$Pointer$ [2019-10-07 05:30:38,708 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~$Pointer$ [2019-10-07 05:30:38,708 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2019-10-07 05:30:38,708 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~TO~$Pointer$ [2019-10-07 05:30:38,709 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~$Pointer$ [2019-10-07 05:30:38,711 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~VOID [2019-10-07 05:30:38,711 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2019-10-07 05:30:38,712 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2019-10-07 05:30:38,712 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2019-10-07 05:30:38,712 INFO L138 BoogieDeclarations]: Found implementation of procedure mt352_write [2019-10-07 05:30:38,712 INFO L138 BoogieDeclarations]: Found implementation of procedure stv0299_writereg [2019-10-07 05:30:38,712 INFO L138 BoogieDeclarations]: Found implementation of procedure sharp_z0194a_set_symbol_rate [2019-10-07 05:30:38,713 INFO L138 BoogieDeclarations]: Found implementation of procedure stb6100_get_freq [2019-10-07 05:30:38,713 INFO L138 BoogieDeclarations]: Found implementation of procedure stb6100_set_freq [2019-10-07 05:30:38,713 INFO L138 BoogieDeclarations]: Found implementation of procedure stb6100_get_bandw [2019-10-07 05:30:38,713 INFO L138 BoogieDeclarations]: Found implementation of procedure stb6100_set_bandw [2019-10-07 05:30:38,714 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_buf_setup [2019-10-07 05:30:38,714 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_buf_prepare [2019-10-07 05:30:38,715 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_buf_queue [2019-10-07 05:30:38,715 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_buf_release [2019-10-07 05:30:38,715 INFO L138 BoogieDeclarations]: Found implementation of procedure cx88_dvb_bus_ctrl [2019-10-07 05:30:38,715 INFO L138 BoogieDeclarations]: Found implementation of procedure cx88_dvb_gate_ctrl [2019-10-07 05:30:38,715 INFO L138 BoogieDeclarations]: Found implementation of procedure dvico_fusionhdtv_demod_init [2019-10-07 05:30:38,715 INFO L138 BoogieDeclarations]: Found implementation of procedure dvico_dual_demod_init [2019-10-07 05:30:38,715 INFO L138 BoogieDeclarations]: Found implementation of procedure dntv_live_dvbt_demod_init [2019-10-07 05:30:38,716 INFO L138 BoogieDeclarations]: Found implementation of procedure dntv_live_dvbt_pro_demod_init [2019-10-07 05:30:38,716 INFO L138 BoogieDeclarations]: Found implementation of procedure or51132_set_ts_param [2019-10-07 05:30:38,716 INFO L138 BoogieDeclarations]: Found implementation of procedure lgdt330x_pll_rf_set [2019-10-07 05:30:38,716 INFO L138 BoogieDeclarations]: Found implementation of procedure lgdt330x_set_ts_param [2019-10-07 05:30:38,716 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt200x_set_ts_param [2019-10-07 05:30:38,717 INFO L138 BoogieDeclarations]: Found implementation of procedure cx24123_set_ts_param [2019-10-07 05:30:38,717 INFO L138 BoogieDeclarations]: Found implementation of procedure kworld_dvbs_100_set_voltage [2019-10-07 05:30:38,717 INFO L138 BoogieDeclarations]: Found implementation of procedure geniatech_dvbs_set_voltage [2019-10-07 05:30:38,717 INFO L138 BoogieDeclarations]: Found implementation of procedure tevii_dvbs_set_voltage [2019-10-07 05:30:38,717 INFO L138 BoogieDeclarations]: Found implementation of procedure vp1027_set_voltage [2019-10-07 05:30:38,718 INFO L138 BoogieDeclarations]: Found implementation of procedure attach_xc3028 [2019-10-07 05:30:38,718 INFO L138 BoogieDeclarations]: Found implementation of procedure cx24116_set_ts_param [2019-10-07 05:30:38,718 INFO L138 BoogieDeclarations]: Found implementation of procedure stv0900_set_ts_param [2019-10-07 05:30:38,718 INFO L138 BoogieDeclarations]: Found implementation of procedure cx24116_reset_device [2019-10-07 05:30:38,718 INFO L138 BoogieDeclarations]: Found implementation of procedure cx8802_alloc_frontends [2019-10-07 05:30:38,718 INFO L138 BoogieDeclarations]: Found implementation of procedure samsung_smt_7020_tuner_set_params [2019-10-07 05:30:38,719 INFO L138 BoogieDeclarations]: Found implementation of procedure samsung_smt_7020_set_tone [2019-10-07 05:30:38,719 INFO L138 BoogieDeclarations]: Found implementation of procedure samsung_smt_7020_set_voltage [2019-10-07 05:30:38,719 INFO L138 BoogieDeclarations]: Found implementation of procedure samsung_smt_7020_stv0299_set_symbol_rate [2019-10-07 05:30:38,719 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_register [2019-10-07 05:30:38,719 INFO L138 BoogieDeclarations]: Found implementation of procedure cx8802_dvb_advise_acquire [2019-10-07 05:30:38,719 INFO L138 BoogieDeclarations]: Found implementation of procedure cx8802_dvb_advise_release [2019-10-07 05:30:38,720 INFO L138 BoogieDeclarations]: Found implementation of procedure cx8802_dvb_probe [2019-10-07 05:30:38,720 INFO L138 BoogieDeclarations]: Found implementation of procedure cx8802_dvb_remove [2019-10-07 05:30:38,721 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_init [2019-10-07 05:30:38,721 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_fini [2019-10-07 05:30:38,721 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-07 05:30:38,721 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_1 [2019-10-07 05:30:38,721 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_2 [2019-10-07 05:30:38,721 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_3 [2019-10-07 05:30:38,722 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_4 [2019-10-07 05:30:38,722 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_5 [2019-10-07 05:30:38,722 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_6 [2019-10-07 05:30:38,722 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_7 [2019-10-07 05:30:38,722 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_8 [2019-10-07 05:30:38,722 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_9 [2019-10-07 05:30:38,722 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_10 [2019-10-07 05:30:38,723 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_11 [2019-10-07 05:30:38,723 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2019-10-07 05:30:38,724 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2019-10-07 05:30:38,724 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_lock_of_cx88_core [2019-10-07 05:30:38,724 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_lock_of_cx88_core [2019-10-07 05:30:38,725 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock_of_cx88_core [2019-10-07 05:30:38,725 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_lock_of_cx88_core [2019-10-07 05:30:38,725 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_lock_of_cx88_core [2019-10-07 05:30:38,725 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_lock_of_cx88_core [2019-10-07 05:30:38,726 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock_of_cx88_core [2019-10-07 05:30:38,726 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_lock_of_v4l2_ctrl_handler [2019-10-07 05:30:38,726 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_lock_of_v4l2_ctrl_handler [2019-10-07 05:30:38,726 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock_of_v4l2_ctrl_handler [2019-10-07 05:30:38,726 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_lock_of_v4l2_ctrl_handler [2019-10-07 05:30:38,727 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_lock_of_v4l2_ctrl_handler [2019-10-07 05:30:38,727 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_lock_of_v4l2_ctrl_handler [2019-10-07 05:30:38,727 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock_of_v4l2_ctrl_handler [2019-10-07 05:30:38,727 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_mutex_of_device [2019-10-07 05:30:38,727 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_mutex_of_device [2019-10-07 05:30:38,728 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mutex_of_device [2019-10-07 05:30:38,728 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_mutex_of_device [2019-10-07 05:30:38,728 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2019-10-07 05:30:38,728 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_mutex_of_device [2019-10-07 05:30:38,729 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex_of_device [2019-10-07 05:30:38,729 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_pm_mutex [2019-10-07 05:30:38,729 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_pm_mutex [2019-10-07 05:30:38,729 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_pm_mutex [2019-10-07 05:30:38,729 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_pm_mutex [2019-10-07 05:30:38,729 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_pm_mutex [2019-10-07 05:30:38,729 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_pm_mutex [2019-10-07 05:30:38,729 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_pm_mutex [2019-10-07 05:30:38,730 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_vb_lock_of_videobuf_queue [2019-10-07 05:30:38,730 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_vb_lock_of_videobuf_queue [2019-10-07 05:30:38,730 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_vb_lock_of_videobuf_queue [2019-10-07 05:30:38,730 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_vb_lock_of_videobuf_queue [2019-10-07 05:30:38,730 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_vb_lock_of_videobuf_queue [2019-10-07 05:30:38,730 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_vb_lock_of_videobuf_queue [2019-10-07 05:30:38,730 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_vb_lock_of_videobuf_queue [2019-10-07 05:30:38,731 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-10-07 05:30:38,731 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-10-07 05:30:38,731 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2019-10-07 05:30:38,731 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2019-10-07 05:30:38,731 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_module [2019-10-07 05:30:38,732 INFO L138 BoogieDeclarations]: Found implementation of procedure __symbol_get [2019-10-07 05:30:38,732 INFO L138 BoogieDeclarations]: Found implementation of procedure __symbol_put [2019-10-07 05:30:38,732 INFO L138 BoogieDeclarations]: Found implementation of procedure cx8802_buf_prepare [2019-10-07 05:30:38,732 INFO L138 BoogieDeclarations]: Found implementation of procedure cx8802_buf_queue [2019-10-07 05:30:38,733 INFO L138 BoogieDeclarations]: Found implementation of procedure cx8802_get_driver [2019-10-07 05:30:38,736 INFO L138 BoogieDeclarations]: Found implementation of procedure cx8802_register_driver [2019-10-07 05:30:38,736 INFO L138 BoogieDeclarations]: Found implementation of procedure cx8802_unregister_driver [2019-10-07 05:30:38,736 INFO L138 BoogieDeclarations]: Found implementation of procedure cx88_free_buffer [2019-10-07 05:30:38,737 INFO L138 BoogieDeclarations]: Found implementation of procedure cx88_setup_xc3028 [2019-10-07 05:30:38,737 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_frontend_detach [2019-10-07 05:30:38,737 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_unregister_frontend [2019-10-07 05:30:38,738 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_transfer [2019-10-07 05:30:38,738 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value [2019-10-07 05:30:38,738 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value_probe [2019-10-07 05:30:38,738 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler_precall [2019-10-07 05:30:38,738 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2019-10-07 05:30:38,739 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2019-10-07 05:30:38,739 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_trylock [2019-10-07 05:30:38,742 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2019-10-07 05:30:38,742 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2019-10-07 05:30:38,742 INFO L138 BoogieDeclarations]: Found implementation of procedure videobuf_dvb_alloc_frontend [2019-10-07 05:30:38,743 INFO L138 BoogieDeclarations]: Found implementation of procedure videobuf_dvb_dealloc_frontends [2019-10-07 05:30:38,743 INFO L138 BoogieDeclarations]: Found implementation of procedure videobuf_dvb_find_frontend [2019-10-07 05:30:38,743 INFO L138 BoogieDeclarations]: Found implementation of procedure videobuf_dvb_get_frontend [2019-10-07 05:30:38,744 INFO L138 BoogieDeclarations]: Found implementation of procedure videobuf_dvb_register_bus [2019-10-07 05:30:38,744 INFO L138 BoogieDeclarations]: Found implementation of procedure videobuf_dvb_unregister_bus [2019-10-07 05:30:38,744 INFO L138 BoogieDeclarations]: Found implementation of procedure videobuf_queue_sg_init [2019-10-07 05:30:38,744 INFO L138 BoogieDeclarations]: Found implementation of procedure vp3054_i2c_probe [2019-10-07 05:30:38,749 INFO L138 BoogieDeclarations]: Found implementation of procedure vp3054_i2c_remove [2019-10-07 05:30:38,749 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-10-07 05:30:38,749 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-10-07 05:30:38,750 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-07 05:30:38,750 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2019-10-07 05:30:38,750 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2019-10-07 05:30:38,750 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-07 05:30:38,750 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2019-10-07 05:30:38,751 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_trylock [2019-10-07 05:30:38,751 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_2 [2019-10-07 05:30:38,751 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2019-10-07 05:30:38,751 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_3 [2019-10-07 05:30:38,752 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_5 [2019-10-07 05:30:38,752 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_7 [2019-10-07 05:30:38,752 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_9 [2019-10-07 05:30:38,752 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_11 [2019-10-07 05:30:38,752 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2019-10-07 05:30:38,752 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_1 [2019-10-07 05:30:38,753 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_4 [2019-10-07 05:30:38,753 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_6 [2019-10-07 05:30:38,753 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_8 [2019-10-07 05:30:38,753 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_10 [2019-10-07 05:30:38,753 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock_of_cx88_core [2019-10-07 05:30:38,753 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock_of_cx88_core [2019-10-07 05:30:38,753 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock_of_v4l2_ctrl_handler [2019-10-07 05:30:38,753 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock_of_v4l2_ctrl_handler [2019-10-07 05:30:38,754 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mutex_of_device [2019-10-07 05:30:38,754 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_mutex_of_device [2019-10-07 05:30:38,754 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex_of_device [2019-10-07 05:30:38,754 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_pm_mutex [2019-10-07 05:30:38,754 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_pm_mutex [2019-10-07 05:30:38,754 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_vb_lock_of_videobuf_queue [2019-10-07 05:30:38,754 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_vb_lock_of_videobuf_queue [2019-10-07 05:30:38,754 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2019-10-07 05:30:38,755 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2019-10-07 05:30:38,755 INFO L130 BoogieDeclarations]: Found specification of procedure __request_module [2019-10-07 05:30:38,755 INFO L130 BoogieDeclarations]: Found specification of procedure __symbol_get [2019-10-07 05:30:38,755 INFO L130 BoogieDeclarations]: Found specification of procedure __symbol_put [2019-10-07 05:30:38,755 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2019-10-07 05:30:38,755 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2019-10-07 05:30:38,755 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_transfer [2019-10-07 05:30:38,755 INFO L130 BoogieDeclarations]: Found specification of procedure videobuf_queue_sg_init [2019-10-07 05:30:38,756 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_unregister_frontend [2019-10-07 05:30:38,756 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_frontend_detach [2019-10-07 05:30:38,756 INFO L130 BoogieDeclarations]: Found specification of procedure videobuf_dvb_register_bus [2019-10-07 05:30:38,756 INFO L130 BoogieDeclarations]: Found specification of procedure videobuf_dvb_unregister_bus [2019-10-07 05:30:38,756 INFO L130 BoogieDeclarations]: Found specification of procedure videobuf_dvb_alloc_frontend [2019-10-07 05:30:38,756 INFO L130 BoogieDeclarations]: Found specification of procedure videobuf_dvb_dealloc_frontends [2019-10-07 05:30:38,756 INFO L130 BoogieDeclarations]: Found specification of procedure videobuf_dvb_get_frontend [2019-10-07 05:30:38,756 INFO L130 BoogieDeclarations]: Found specification of procedure videobuf_dvb_find_frontend [2019-10-07 05:30:38,757 INFO L130 BoogieDeclarations]: Found specification of procedure cx88_free_buffer [2019-10-07 05:30:38,757 INFO L130 BoogieDeclarations]: Found specification of procedure cx88_tuner_callback [2019-10-07 05:30:38,757 INFO L130 BoogieDeclarations]: Found specification of procedure cx88_setup_xc3028 [2019-10-07 05:30:38,757 INFO L130 BoogieDeclarations]: Found specification of procedure cx8802_register_driver [2019-10-07 05:30:38,757 INFO L130 BoogieDeclarations]: Found specification of procedure cx8802_unregister_driver [2019-10-07 05:30:38,757 INFO L130 BoogieDeclarations]: Found specification of procedure cx8802_get_driver [2019-10-07 05:30:38,757 INFO L130 BoogieDeclarations]: Found specification of procedure cx8802_buf_prepare [2019-10-07 05:30:38,757 INFO L130 BoogieDeclarations]: Found specification of procedure cx8802_buf_queue [2019-10-07 05:30:38,758 INFO L130 BoogieDeclarations]: Found specification of procedure mt352_write [2019-10-07 05:30:38,758 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~int [2019-10-07 05:30:38,758 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-07 05:30:38,758 INFO L130 BoogieDeclarations]: Found specification of procedure vp3054_i2c_probe [2019-10-07 05:30:38,758 INFO L130 BoogieDeclarations]: Found specification of procedure vp3054_i2c_remove [2019-10-07 05:30:38,758 INFO L130 BoogieDeclarations]: Found specification of procedure stv0299_writereg [2019-10-07 05:30:38,758 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-07 05:30:38,758 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-07 05:30:38,759 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-07 05:30:38,759 INFO L130 BoogieDeclarations]: Found specification of procedure sharp_z0194a_set_symbol_rate [2019-10-07 05:30:38,759 INFO L130 BoogieDeclarations]: Found specification of procedure stb6100_get_freq [2019-10-07 05:30:38,759 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~int [2019-10-07 05:30:38,759 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~TO~int [2019-10-07 05:30:38,759 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-07 05:30:38,759 INFO L130 BoogieDeclarations]: Found specification of procedure stb6100_set_freq [2019-10-07 05:30:38,759 INFO L130 BoogieDeclarations]: Found specification of procedure stb6100_get_bandw [2019-10-07 05:30:38,760 INFO L130 BoogieDeclarations]: Found specification of procedure stb6100_set_bandw [2019-10-07 05:30:38,760 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_buf_setup [2019-10-07 05:30:38,760 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_buf_prepare [2019-10-07 05:30:38,760 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_buf_queue [2019-10-07 05:30:38,760 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_buf_release [2019-10-07 05:30:38,760 INFO L130 BoogieDeclarations]: Found specification of procedure cx88_dvb_bus_ctrl [2019-10-07 05:30:38,760 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2019-10-07 05:30:38,760 INFO L130 BoogieDeclarations]: Found specification of procedure cx88_dvb_gate_ctrl [2019-10-07 05:30:38,760 INFO L130 BoogieDeclarations]: Found specification of procedure dvico_fusionhdtv_demod_init [2019-10-07 05:30:38,761 INFO L130 BoogieDeclarations]: Found specification of procedure dvico_dual_demod_init [2019-10-07 05:30:38,761 INFO L130 BoogieDeclarations]: Found specification of procedure dntv_live_dvbt_demod_init [2019-10-07 05:30:38,761 INFO L130 BoogieDeclarations]: Found specification of procedure dntv_live_dvbt_pro_demod_init [2019-10-07 05:30:38,761 INFO L130 BoogieDeclarations]: Found specification of procedure or51132_set_ts_param [2019-10-07 05:30:38,761 INFO L130 BoogieDeclarations]: Found specification of procedure lgdt330x_pll_rf_set [2019-10-07 05:30:38,761 INFO L130 BoogieDeclarations]: Found specification of procedure lgdt330x_set_ts_param [2019-10-07 05:30:38,761 INFO L130 BoogieDeclarations]: Found specification of procedure nxt200x_set_ts_param [2019-10-07 05:30:38,762 INFO L130 BoogieDeclarations]: Found specification of procedure cx24123_set_ts_param [2019-10-07 05:30:38,762 INFO L130 BoogieDeclarations]: Found specification of procedure kworld_dvbs_100_set_voltage [2019-10-07 05:30:38,762 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~fe_sec_voltage_t~0~TO~int [2019-10-07 05:30:38,762 INFO L130 BoogieDeclarations]: Found specification of procedure geniatech_dvbs_set_voltage [2019-10-07 05:30:38,762 INFO L130 BoogieDeclarations]: Found specification of procedure tevii_dvbs_set_voltage [2019-10-07 05:30:38,762 INFO L130 BoogieDeclarations]: Found specification of procedure vp1027_set_voltage [2019-10-07 05:30:38,762 INFO L130 BoogieDeclarations]: Found specification of procedure attach_xc3028 [2019-10-07 05:30:38,762 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~$Pointer$ [2019-10-07 05:30:38,763 INFO L130 BoogieDeclarations]: Found specification of procedure cx24116_set_ts_param [2019-10-07 05:30:38,763 INFO L130 BoogieDeclarations]: Found specification of procedure stv0900_set_ts_param [2019-10-07 05:30:38,763 INFO L130 BoogieDeclarations]: Found specification of procedure cx24116_reset_device [2019-10-07 05:30:38,763 INFO L130 BoogieDeclarations]: Found specification of procedure cx8802_alloc_frontends [2019-10-07 05:30:38,763 INFO L130 BoogieDeclarations]: Found specification of procedure samsung_smt_7020_tuner_set_params [2019-10-07 05:30:38,763 INFO L130 BoogieDeclarations]: Found specification of procedure samsung_smt_7020_set_tone [2019-10-07 05:30:38,763 INFO L130 BoogieDeclarations]: Found specification of procedure samsung_smt_7020_set_voltage [2019-10-07 05:30:38,764 INFO L130 BoogieDeclarations]: Found specification of procedure samsung_smt_7020_stv0299_set_symbol_rate [2019-10-07 05:30:38,764 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_register [2019-10-07 05:30:38,764 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~int~TO~$Pointer$ [2019-10-07 05:30:38,764 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~~u8~0~X~int~TO~$Pointer$ [2019-10-07 05:30:38,764 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~~u8~0~X~~u8~0~X~~u8~0~TO~$Pointer$ [2019-10-07 05:30:38,764 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~~u8~0~TO~$Pointer$ [2019-10-07 05:30:38,764 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~$Pointer$ [2019-10-07 05:30:38,765 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2019-10-07 05:30:38,765 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~TO~$Pointer$ [2019-10-07 05:30:38,765 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~$Pointer$ [2019-10-07 05:30:38,765 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~VOID [2019-10-07 05:30:38,766 INFO L130 BoogieDeclarations]: Found specification of procedure cx8802_dvb_advise_acquire [2019-10-07 05:30:38,770 INFO L130 BoogieDeclarations]: Found specification of procedure cx8802_dvb_advise_release [2019-10-07 05:30:38,770 INFO L130 BoogieDeclarations]: Found specification of procedure cx8802_dvb_probe [2019-10-07 05:30:38,770 INFO L130 BoogieDeclarations]: Found specification of procedure cx8802_dvb_remove [2019-10-07 05:30:38,770 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_init [2019-10-07 05:30:38,770 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_fini [2019-10-07 05:30:38,770 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-10-07 05:30:38,771 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value [2019-10-07 05:30:38,771 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value_probe [2019-10-07 05:30:38,771 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-10-07 05:30:38,771 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler_precall [2019-10-07 05:30:38,771 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-07 05:30:38,774 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-07 05:30:38,774 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2019-10-07 05:30:38,774 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2019-10-07 05:30:38,775 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_lock_of_cx88_core [2019-10-07 05:30:38,775 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_lock_of_cx88_core [2019-10-07 05:30:38,775 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_lock_of_cx88_core [2019-10-07 05:30:38,775 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_lock_of_cx88_core [2019-10-07 05:30:38,775 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_lock_of_cx88_core [2019-10-07 05:30:38,775 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_lock_of_v4l2_ctrl_handler [2019-10-07 05:30:38,775 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_lock_of_v4l2_ctrl_handler [2019-10-07 05:30:38,775 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_lock_of_v4l2_ctrl_handler [2019-10-07 05:30:38,776 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_lock_of_v4l2_ctrl_handler [2019-10-07 05:30:38,776 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_lock_of_v4l2_ctrl_handler [2019-10-07 05:30:38,776 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_mutex_of_device [2019-10-07 05:30:38,776 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_mutex_of_device [2019-10-07 05:30:38,776 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2019-10-07 05:30:38,776 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_mutex_of_device [2019-10-07 05:30:38,777 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_pm_mutex [2019-10-07 05:30:38,777 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_pm_mutex [2019-10-07 05:30:38,777 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_pm_mutex [2019-10-07 05:30:38,777 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_pm_mutex [2019-10-07 05:30:38,777 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_pm_mutex [2019-10-07 05:30:38,777 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_vb_lock_of_videobuf_queue [2019-10-07 05:30:38,777 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_vb_lock_of_videobuf_queue [2019-10-07 05:30:38,777 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_vb_lock_of_videobuf_queue [2019-10-07 05:30:38,777 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_vb_lock_of_videobuf_queue [2019-10-07 05:30:38,778 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_vb_lock_of_videobuf_queue [2019-10-07 05:30:38,778 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-10-07 05:30:38,778 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-10-07 05:30:38,778 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-07 05:30:38,778 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-10-07 05:30:38,778 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-07 05:30:38,778 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-07 05:30:38,778 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-10-07 05:30:38,779 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-07 05:32:08,477 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-07 05:32:08,478 INFO L284 CfgBuilder]: Removed 0 assume(true) statements. [2019-10-07 05:32:08,481 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 05:32:08 BoogieIcfgContainer [2019-10-07 05:32:08,481 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-07 05:32:08,484 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-07 05:32:08,484 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-07 05:32:08,488 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-07 05:32:08,488 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.10 05:30:34" (1/3) ... [2019-10-07 05:32:08,489 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@69cdca9a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 05:32:08, skipping insertion in model container [2019-10-07 05:32:08,489 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 05:30:38" (2/3) ... [2019-10-07 05:32:08,490 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@69cdca9a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 05:32:08, skipping insertion in model container [2019-10-07 05:32:08,490 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 05:32:08" (3/3) ... [2019-10-07 05:32:08,492 INFO L109 eAbstractionObserver]: Analyzing ICFG m0_drivers-media-video-cx88-cx88-dvb-ko--32_7a--d47b389.i [2019-10-07 05:32:08,503 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-07 05:32:08,517 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-07 05:32:08,530 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-07 05:32:08,577 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-07 05:32:08,577 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-07 05:32:08,577 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-07 05:32:08,577 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-07 05:32:08,577 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-07 05:32:08,577 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-07 05:32:08,578 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-07 05:32:08,578 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-07 05:32:08,650 INFO L276 IsEmpty]: Start isEmpty. Operand 2122 states. [2019-10-07 05:32:08,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-10-07 05:32:08,656 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 05:32:08,657 INFO L385 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 05:32:08,659 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 05:32:08,664 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 05:32:08,664 INFO L82 PathProgramCache]: Analyzing trace with hash -506029744, now seen corresponding path program 1 times [2019-10-07 05:32:08,674 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 05:32:08,674 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 05:32:08,674 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 05:32:08,674 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 05:32:08,674 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 05:32:09,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 05:32:10,456 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 05:32:10,457 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 05:32:10,459 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 05:32:10,460 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 05:32:10,468 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 05:32:10,484 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 05:32:10,485 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 05:32:10,487 INFO L87 Difference]: Start difference. First operand 2122 states. Second operand 3 states. [2019-10-07 05:32:30,199 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 05:32:30,199 INFO L93 Difference]: Finished difference Result 5390 states and 8239 transitions. [2019-10-07 05:32:30,200 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 05:32:30,202 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2019-10-07 05:32:30,202 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 05:32:30,262 INFO L225 Difference]: With dead ends: 5390 [2019-10-07 05:32:30,262 INFO L226 Difference]: Without dead ends: 3514 [2019-10-07 05:32:30,281 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 05:32:30,309 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3514 states. [2019-10-07 05:32:30,647 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3514 to 3511. [2019-10-07 05:32:30,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3511 states. [2019-10-07 05:32:30,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3511 states to 3511 states and 5336 transitions. [2019-10-07 05:32:30,675 INFO L78 Accepts]: Start accepts. Automaton has 3511 states and 5336 transitions. Word has length 24 [2019-10-07 05:32:30,675 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 05:32:30,676 INFO L462 AbstractCegarLoop]: Abstraction has 3511 states and 5336 transitions. [2019-10-07 05:32:30,676 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 05:32:30,676 INFO L276 IsEmpty]: Start isEmpty. Operand 3511 states and 5336 transitions. [2019-10-07 05:32:30,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-10-07 05:32:30,678 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 05:32:30,678 INFO L385 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 05:32:30,679 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 05:32:30,679 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 05:32:30,679 INFO L82 PathProgramCache]: Analyzing trace with hash 1491646778, now seen corresponding path program 1 times [2019-10-07 05:32:30,679 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 05:32:30,679 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 05:32:30,680 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 05:32:30,680 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 05:32:30,680 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 05:32:30,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 05:32:31,371 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 05:32:31,371 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 05:32:31,372 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 05:32:31,372 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 05:32:31,374 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 05:32:31,375 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 05:32:31,376 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 05:32:31,377 INFO L87 Difference]: Start difference. First operand 3511 states and 5336 transitions. Second operand 3 states. [2019-10-07 05:32:52,574 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 05:32:52,575 INFO L93 Difference]: Finished difference Result 3513 states and 5337 transitions. [2019-10-07 05:32:52,575 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 05:32:52,575 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 25 [2019-10-07 05:32:52,576 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 05:32:52,600 INFO L225 Difference]: With dead ends: 3513 [2019-10-07 05:32:52,600 INFO L226 Difference]: Without dead ends: 3510 [2019-10-07 05:32:52,606 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 05:32:52,613 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3510 states. [2019-10-07 05:32:52,938 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3510 to 3510. [2019-10-07 05:32:52,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3510 states. [2019-10-07 05:32:52,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3510 states to 3510 states and 5334 transitions. [2019-10-07 05:32:52,964 INFO L78 Accepts]: Start accepts. Automaton has 3510 states and 5334 transitions. Word has length 25 [2019-10-07 05:32:52,965 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 05:32:52,966 INFO L462 AbstractCegarLoop]: Abstraction has 3510 states and 5334 transitions. [2019-10-07 05:32:52,966 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 05:32:52,966 INFO L276 IsEmpty]: Start isEmpty. Operand 3510 states and 5334 transitions. [2019-10-07 05:32:52,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-10-07 05:32:52,967 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 05:32:52,967 INFO L385 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 05:32:52,968 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 05:32:52,968 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 05:32:52,968 INFO L82 PathProgramCache]: Analyzing trace with hash -1004885613, now seen corresponding path program 1 times [2019-10-07 05:32:52,969 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 05:32:52,969 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 05:32:52,969 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 05:32:52,969 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 05:32:52,969 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 05:32:53,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 05:32:53,797 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 05:32:53,797 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 05:32:53,798 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 05:32:53,798 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 05:32:53,798 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 05:32:53,798 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 05:32:53,799 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 05:32:53,799 INFO L87 Difference]: Start difference. First operand 3510 states and 5334 transitions. Second operand 3 states. [2019-10-07 05:33:14,561 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 05:33:14,561 INFO L93 Difference]: Finished difference Result 3512 states and 5335 transitions. [2019-10-07 05:33:14,562 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 05:33:14,562 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 26 [2019-10-07 05:33:14,562 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 05:33:14,589 INFO L225 Difference]: With dead ends: 3512 [2019-10-07 05:33:14,590 INFO L226 Difference]: Without dead ends: 3509 [2019-10-07 05:33:14,592 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 05:33:14,598 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3509 states. [2019-10-07 05:33:14,867 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3509 to 3509. [2019-10-07 05:33:14,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3509 states. [2019-10-07 05:33:14,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3509 states to 3509 states and 5332 transitions. [2019-10-07 05:33:14,887 INFO L78 Accepts]: Start accepts. Automaton has 3509 states and 5332 transitions. Word has length 26 [2019-10-07 05:33:14,887 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 05:33:14,887 INFO L462 AbstractCegarLoop]: Abstraction has 3509 states and 5332 transitions. [2019-10-07 05:33:14,887 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 05:33:14,888 INFO L276 IsEmpty]: Start isEmpty. Operand 3509 states and 5332 transitions. [2019-10-07 05:33:14,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2019-10-07 05:33:14,889 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 05:33:14,889 INFO L385 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 05:33:14,889 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 05:33:14,889 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 05:33:14,890 INFO L82 PathProgramCache]: Analyzing trace with hash -1087973539, now seen corresponding path program 1 times [2019-10-07 05:33:14,890 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 05:33:14,890 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 05:33:14,890 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 05:33:14,890 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 05:33:14,891 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 05:33:15,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 05:33:15,525 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 05:33:15,525 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 05:33:15,525 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 05:33:15,525 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 05:33:15,526 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 05:33:15,526 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 05:33:15,527 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 05:33:15,527 INFO L87 Difference]: Start difference. First operand 3509 states and 5332 transitions. Second operand 3 states. [2019-10-07 05:33:37,015 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 05:33:37,016 INFO L93 Difference]: Finished difference Result 3511 states and 5333 transitions. [2019-10-07 05:33:37,016 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 05:33:37,017 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 27 [2019-10-07 05:33:37,017 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 05:33:37,042 INFO L225 Difference]: With dead ends: 3511 [2019-10-07 05:33:37,042 INFO L226 Difference]: Without dead ends: 3508 [2019-10-07 05:33:37,045 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 05:33:37,050 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3508 states. [2019-10-07 05:33:37,268 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3508 to 3508. [2019-10-07 05:33:37,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3508 states. [2019-10-07 05:33:37,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3508 states to 3508 states and 5330 transitions. [2019-10-07 05:33:37,291 INFO L78 Accepts]: Start accepts. Automaton has 3508 states and 5330 transitions. Word has length 27 [2019-10-07 05:33:37,291 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 05:33:37,292 INFO L462 AbstractCegarLoop]: Abstraction has 3508 states and 5330 transitions. [2019-10-07 05:33:37,292 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 05:33:37,292 INFO L276 IsEmpty]: Start isEmpty. Operand 3508 states and 5330 transitions. [2019-10-07 05:33:37,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2019-10-07 05:33:37,293 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 05:33:37,294 INFO L385 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 05:33:37,294 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 05:33:37,294 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 05:33:37,294 INFO L82 PathProgramCache]: Analyzing trace with hash 631272918, now seen corresponding path program 1 times [2019-10-07 05:33:37,295 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 05:33:37,295 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 05:33:37,295 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 05:33:37,295 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 05:33:37,295 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 05:33:37,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 05:33:37,889 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 05:33:37,889 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 05:33:37,889 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 05:33:37,890 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 05:33:37,890 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 05:33:37,890 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 05:33:37,890 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 05:33:37,891 INFO L87 Difference]: Start difference. First operand 3508 states and 5330 transitions. Second operand 3 states. [2019-10-07 05:33:58,369 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 05:33:58,370 INFO L93 Difference]: Finished difference Result 3510 states and 5331 transitions. [2019-10-07 05:33:59,268 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 05:33:59,269 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 28 [2019-10-07 05:33:59,269 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 05:33:59,293 INFO L225 Difference]: With dead ends: 3510 [2019-10-07 05:33:59,293 INFO L226 Difference]: Without dead ends: 3494 [2019-10-07 05:33:59,296 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 05:33:59,301 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3494 states. [2019-10-07 05:33:59,513 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3494 to 3494. [2019-10-07 05:33:59,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3494 states. [2019-10-07 05:33:59,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3494 states to 3494 states and 5312 transitions. [2019-10-07 05:33:59,526 INFO L78 Accepts]: Start accepts. Automaton has 3494 states and 5312 transitions. Word has length 28 [2019-10-07 05:33:59,526 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 05:33:59,526 INFO L462 AbstractCegarLoop]: Abstraction has 3494 states and 5312 transitions. [2019-10-07 05:33:59,526 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 05:33:59,526 INFO L276 IsEmpty]: Start isEmpty. Operand 3494 states and 5312 transitions. [2019-10-07 05:33:59,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2019-10-07 05:33:59,542 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 05:33:59,543 INFO L385 BasicCegarLoop]: trace histogram [4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 05:33:59,543 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 05:33:59,543 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 05:33:59,543 INFO L82 PathProgramCache]: Analyzing trace with hash 971605436, now seen corresponding path program 1 times [2019-10-07 05:33:59,544 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 05:33:59,544 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 05:33:59,544 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 05:33:59,544 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 05:33:59,544 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 05:33:59,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 05:34:01,386 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2019-10-07 05:34:01,386 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 05:34:01,389 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 05:34:01,390 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 05:34:01,392 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 05:34:01,393 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 05:34:01,393 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 05:34:01,393 INFO L87 Difference]: Start difference. First operand 3494 states and 5312 transitions. Second operand 3 states. [2019-10-07 05:34:23,215 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 05:34:23,216 INFO L93 Difference]: Finished difference Result 5340 states and 8069 transitions. [2019-10-07 05:34:23,216 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 05:34:23,216 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 155 [2019-10-07 05:34:23,219 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 05:34:23,245 INFO L225 Difference]: With dead ends: 5340 [2019-10-07 05:34:23,246 INFO L226 Difference]: Without dead ends: 3482 [2019-10-07 05:34:23,255 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 05:34:23,260 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3482 states. [2019-10-07 05:34:23,458 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3482 to 3482. [2019-10-07 05:34:23,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3482 states. [2019-10-07 05:34:23,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3482 states to 3482 states and 5278 transitions. [2019-10-07 05:34:23,470 INFO L78 Accepts]: Start accepts. Automaton has 3482 states and 5278 transitions. Word has length 155 [2019-10-07 05:34:23,472 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 05:34:23,472 INFO L462 AbstractCegarLoop]: Abstraction has 3482 states and 5278 transitions. [2019-10-07 05:34:23,472 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 05:34:23,472 INFO L276 IsEmpty]: Start isEmpty. Operand 3482 states and 5278 transitions. [2019-10-07 05:34:23,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2019-10-07 05:34:23,493 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 05:34:23,493 INFO L385 BasicCegarLoop]: trace histogram [7, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 05:34:23,494 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 05:34:23,494 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 05:34:23,495 INFO L82 PathProgramCache]: Analyzing trace with hash 1159826392, now seen corresponding path program 1 times [2019-10-07 05:34:23,495 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 05:34:23,495 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 05:34:23,495 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 05:34:23,495 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 05:34:23,496 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 05:34:23,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 05:34:24,466 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 110 trivial. 0 not checked. [2019-10-07 05:34:24,467 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 05:34:24,467 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 05:34:24,467 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-07 05:34:24,469 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-07 05:34:24,469 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-07 05:34:24,470 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2019-10-07 05:34:24,470 INFO L87 Difference]: Start difference. First operand 3482 states and 5278 transitions. Second operand 7 states. [2019-10-07 05:34:24,733 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 05:34:24,733 INFO L93 Difference]: Finished difference Result 6960 states and 10573 transitions. [2019-10-07 05:34:24,734 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-07 05:34:24,734 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 236 [2019-10-07 05:34:24,735 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 05:34:24,774 INFO L225 Difference]: With dead ends: 6960 [2019-10-07 05:34:24,774 INFO L226 Difference]: Without dead ends: 3496 [2019-10-07 05:34:24,791 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2019-10-07 05:34:24,798 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3496 states. [2019-10-07 05:34:25,054 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3496 to 3490. [2019-10-07 05:34:25,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3490 states. [2019-10-07 05:34:25,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3490 states to 3490 states and 5286 transitions. [2019-10-07 05:34:25,072 INFO L78 Accepts]: Start accepts. Automaton has 3490 states and 5286 transitions. Word has length 236 [2019-10-07 05:34:25,072 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 05:34:25,073 INFO L462 AbstractCegarLoop]: Abstraction has 3490 states and 5286 transitions. [2019-10-07 05:34:25,073 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-07 05:34:25,073 INFO L276 IsEmpty]: Start isEmpty. Operand 3490 states and 5286 transitions. [2019-10-07 05:34:25,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2019-10-07 05:34:25,100 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 05:34:25,100 INFO L385 BasicCegarLoop]: trace histogram [7, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 05:34:25,100 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 05:34:25,101 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 05:34:25,101 INFO L82 PathProgramCache]: Analyzing trace with hash -863378216, now seen corresponding path program 1 times [2019-10-07 05:34:25,101 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 05:34:25,101 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 05:34:25,101 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 05:34:25,102 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 05:34:25,102 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 05:34:29,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 05:34:30,590 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2019-10-07 05:34:30,590 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 05:34:30,590 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 05:34:30,591 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-07 05:34:30,591 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-07 05:34:30,592 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-07 05:34:30,592 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-10-07 05:34:30,592 INFO L87 Difference]: Start difference. First operand 3490 states and 5286 transitions. Second operand 6 states. [2019-10-07 05:34:58,676 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 05:34:58,676 INFO L93 Difference]: Finished difference Result 7008 states and 10644 transitions. [2019-10-07 05:34:58,676 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-07 05:34:58,677 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 240 [2019-10-07 05:34:58,677 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 05:34:58,694 INFO L225 Difference]: With dead ends: 7008 [2019-10-07 05:34:58,694 INFO L226 Difference]: Without dead ends: 3536 [2019-10-07 05:34:58,709 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2019-10-07 05:34:58,715 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3536 states. [2019-10-07 05:34:58,907 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3536 to 3526. [2019-10-07 05:34:58,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3526 states. [2019-10-07 05:34:58,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3526 states to 3526 states and 5342 transitions. [2019-10-07 05:34:58,919 INFO L78 Accepts]: Start accepts. Automaton has 3526 states and 5342 transitions. Word has length 240 [2019-10-07 05:34:58,920 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 05:34:58,920 INFO L462 AbstractCegarLoop]: Abstraction has 3526 states and 5342 transitions. [2019-10-07 05:34:58,921 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-07 05:34:58,921 INFO L276 IsEmpty]: Start isEmpty. Operand 3526 states and 5342 transitions. [2019-10-07 05:34:58,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2019-10-07 05:34:58,938 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 05:34:58,938 INFO L385 BasicCegarLoop]: trace histogram [7, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 05:34:58,938 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 05:34:58,939 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 05:34:58,939 INFO L82 PathProgramCache]: Analyzing trace with hash 1832403237, now seen corresponding path program 1 times [2019-10-07 05:34:58,939 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 05:34:58,939 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 05:34:58,939 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 05:34:58,939 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 05:34:58,940 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 05:35:03,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 05:35:03,858 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 101 trivial. 0 not checked. [2019-10-07 05:35:03,859 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 05:35:03,859 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 05:35:03,859 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-07 05:35:03,860 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-07 05:35:03,861 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-07 05:35:03,861 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-10-07 05:35:03,861 INFO L87 Difference]: Start difference. First operand 3526 states and 5342 transitions. Second operand 6 states. [2019-10-07 05:35:30,551 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 05:35:30,552 INFO L93 Difference]: Finished difference Result 7052 states and 10710 transitions. [2019-10-07 05:35:30,552 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-07 05:35:30,553 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 241 [2019-10-07 05:35:30,554 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 05:35:30,565 INFO L225 Difference]: With dead ends: 7052 [2019-10-07 05:35:30,566 INFO L226 Difference]: Without dead ends: 3544 [2019-10-07 05:35:30,580 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2019-10-07 05:35:30,586 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3544 states. [2019-10-07 05:35:30,769 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3544 to 3530. [2019-10-07 05:35:30,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3530 states. [2019-10-07 05:35:30,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3530 states to 3530 states and 5346 transitions. [2019-10-07 05:35:30,782 INFO L78 Accepts]: Start accepts. Automaton has 3530 states and 5346 transitions. Word has length 241 [2019-10-07 05:35:30,783 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 05:35:30,783 INFO L462 AbstractCegarLoop]: Abstraction has 3530 states and 5346 transitions. [2019-10-07 05:35:30,783 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-07 05:35:30,783 INFO L276 IsEmpty]: Start isEmpty. Operand 3530 states and 5346 transitions. [2019-10-07 05:35:30,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 244 [2019-10-07 05:35:30,802 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 05:35:30,802 INFO L385 BasicCegarLoop]: trace histogram [7, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 05:35:30,803 INFO L410 AbstractCegarLoop]: === Iteration 10 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 05:35:30,803 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 05:35:30,803 INFO L82 PathProgramCache]: Analyzing trace with hash -1401826189, now seen corresponding path program 1 times [2019-10-07 05:35:30,803 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 05:35:30,803 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 05:35:30,804 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 05:35:30,804 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 05:35:30,804 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 05:35:34,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 05:35:35,244 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2019-10-07 05:35:35,245 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 05:35:35,245 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 05:35:35,245 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-07 05:35:35,246 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-07 05:35:35,246 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-07 05:35:35,246 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-10-07 05:35:35,247 INFO L87 Difference]: Start difference. First operand 3530 states and 5346 transitions. Second operand 6 states. [2019-10-07 05:36:03,780 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 05:36:03,781 INFO L93 Difference]: Finished difference Result 7088 states and 10764 transitions. [2019-10-07 05:36:03,781 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-07 05:36:03,781 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 243 [2019-10-07 05:36:03,782 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 05:36:03,794 INFO L225 Difference]: With dead ends: 7088 [2019-10-07 05:36:03,794 INFO L226 Difference]: Without dead ends: 3576 [2019-10-07 05:36:03,807 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2019-10-07 05:36:03,813 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3576 states. [2019-10-07 05:36:03,995 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3576 to 3562. [2019-10-07 05:36:03,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3562 states. [2019-10-07 05:36:04,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3562 states to 3562 states and 5398 transitions. [2019-10-07 05:36:04,007 INFO L78 Accepts]: Start accepts. Automaton has 3562 states and 5398 transitions. Word has length 243 [2019-10-07 05:36:04,008 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 05:36:04,008 INFO L462 AbstractCegarLoop]: Abstraction has 3562 states and 5398 transitions. [2019-10-07 05:36:04,008 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-07 05:36:04,008 INFO L276 IsEmpty]: Start isEmpty. Operand 3562 states and 5398 transitions. [2019-10-07 05:36:04,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 252 [2019-10-07 05:36:04,026 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 05:36:04,027 INFO L385 BasicCegarLoop]: trace histogram [7, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 05:36:04,027 INFO L410 AbstractCegarLoop]: === Iteration 11 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 05:36:04,027 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 05:36:04,027 INFO L82 PathProgramCache]: Analyzing trace with hash 1458998869, now seen corresponding path program 1 times [2019-10-07 05:36:04,027 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 05:36:04,028 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 05:36:04,028 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 05:36:04,028 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 05:36:04,028 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 05:36:08,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 05:36:08,713 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 103 trivial. 0 not checked. [2019-10-07 05:36:08,714 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 05:36:08,714 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 05:36:08,714 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-07 05:36:08,715 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-07 05:36:08,715 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-07 05:36:08,715 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-07 05:36:08,716 INFO L87 Difference]: Start difference. First operand 3562 states and 5398 transitions. Second operand 5 states. [2019-10-07 05:36:44,571 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 05:36:44,571 INFO L93 Difference]: Finished difference Result 7124 states and 10820 transitions. [2019-10-07 05:36:44,572 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-07 05:36:44,572 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 251 [2019-10-07 05:36:44,573 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 05:36:44,587 INFO L225 Difference]: With dead ends: 7124 [2019-10-07 05:36:44,587 INFO L226 Difference]: Without dead ends: 3580 [2019-10-07 05:36:44,600 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-10-07 05:36:44,606 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3580 states. [2019-10-07 05:36:44,803 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3580 to 3562. [2019-10-07 05:36:44,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3562 states. [2019-10-07 05:36:44,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3562 states to 3562 states and 5398 transitions. [2019-10-07 05:36:44,816 INFO L78 Accepts]: Start accepts. Automaton has 3562 states and 5398 transitions. Word has length 251 [2019-10-07 05:36:44,820 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 05:36:44,821 INFO L462 AbstractCegarLoop]: Abstraction has 3562 states and 5398 transitions. [2019-10-07 05:36:44,821 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-07 05:36:44,821 INFO L276 IsEmpty]: Start isEmpty. Operand 3562 states and 5398 transitions. [2019-10-07 05:36:44,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 250 [2019-10-07 05:36:44,838 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 05:36:44,839 INFO L385 BasicCegarLoop]: trace histogram [7, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 05:36:44,839 INFO L410 AbstractCegarLoop]: === Iteration 12 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 05:36:44,839 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 05:36:44,839 INFO L82 PathProgramCache]: Analyzing trace with hash -1103465371, now seen corresponding path program 1 times [2019-10-07 05:36:44,840 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 05:36:44,840 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 05:36:44,840 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 05:36:44,840 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 05:36:44,840 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 05:36:48,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 05:36:48,681 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 103 trivial. 0 not checked. [2019-10-07 05:36:48,682 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 05:36:48,682 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 05:36:48,682 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-07 05:36:48,685 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-07 05:36:48,685 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-07 05:36:48,686 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-07 05:36:48,686 INFO L87 Difference]: Start difference. First operand 3562 states and 5398 transitions. Second operand 5 states. [2019-10-07 05:37:23,447 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 05:37:23,448 INFO L93 Difference]: Finished difference Result 7124 states and 10820 transitions. [2019-10-07 05:37:23,448 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-07 05:37:23,448 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 249 [2019-10-07 05:37:23,449 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 05:37:23,460 INFO L225 Difference]: With dead ends: 7124 [2019-10-07 05:37:23,460 INFO L226 Difference]: Without dead ends: 3580 [2019-10-07 05:37:23,473 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-10-07 05:37:23,481 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3580 states. [2019-10-07 05:37:23,699 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3580 to 3562. [2019-10-07 05:37:23,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3562 states. [2019-10-07 05:37:23,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3562 states to 3562 states and 5398 transitions. [2019-10-07 05:37:23,712 INFO L78 Accepts]: Start accepts. Automaton has 3562 states and 5398 transitions. Word has length 249 [2019-10-07 05:37:23,712 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 05:37:23,712 INFO L462 AbstractCegarLoop]: Abstraction has 3562 states and 5398 transitions. [2019-10-07 05:37:23,712 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-07 05:37:23,712 INFO L276 IsEmpty]: Start isEmpty. Operand 3562 states and 5398 transitions. [2019-10-07 05:37:23,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 252 [2019-10-07 05:37:23,732 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 05:37:23,732 INFO L385 BasicCegarLoop]: trace histogram [7, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 05:37:23,733 INFO L410 AbstractCegarLoop]: === Iteration 13 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 05:37:23,733 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 05:37:23,733 INFO L82 PathProgramCache]: Analyzing trace with hash 2077405235, now seen corresponding path program 1 times [2019-10-07 05:37:23,733 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 05:37:23,734 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 05:37:23,734 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 05:37:23,734 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 05:37:23,734 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 05:37:27,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 05:37:27,720 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 101 trivial. 0 not checked. [2019-10-07 05:37:27,720 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 05:37:27,720 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 05:37:27,720 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-07 05:37:27,722 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-07 05:37:27,722 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-07 05:37:27,722 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-10-07 05:37:27,723 INFO L87 Difference]: Start difference. First operand 3562 states and 5398 transitions. Second operand 6 states. [2019-10-07 05:37:55,390 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 05:37:55,390 INFO L93 Difference]: Finished difference Result 7124 states and 10822 transitions. [2019-10-07 05:37:55,390 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-07 05:37:55,391 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 251 [2019-10-07 05:37:55,391 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 05:37:55,403 INFO L225 Difference]: With dead ends: 7124 [2019-10-07 05:37:55,403 INFO L226 Difference]: Without dead ends: 3580 [2019-10-07 05:37:55,415 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2019-10-07 05:37:55,420 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3580 states. [2019-10-07 05:37:55,736 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3580 to 3566. [2019-10-07 05:37:55,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3566 states. [2019-10-07 05:37:55,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3566 states to 3566 states and 5402 transitions. [2019-10-07 05:37:55,748 INFO L78 Accepts]: Start accepts. Automaton has 3566 states and 5402 transitions. Word has length 251 [2019-10-07 05:37:55,748 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 05:37:55,748 INFO L462 AbstractCegarLoop]: Abstraction has 3566 states and 5402 transitions. [2019-10-07 05:37:55,748 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-07 05:37:55,748 INFO L276 IsEmpty]: Start isEmpty. Operand 3566 states and 5402 transitions. [2019-10-07 05:37:55,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2019-10-07 05:37:55,767 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 05:37:55,767 INFO L385 BasicCegarLoop]: trace histogram [7, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 05:37:55,768 INFO L410 AbstractCegarLoop]: === Iteration 14 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 05:37:55,768 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 05:37:55,768 INFO L82 PathProgramCache]: Analyzing trace with hash 379524101, now seen corresponding path program 1 times [2019-10-07 05:37:55,768 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 05:37:55,769 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 05:37:55,769 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 05:37:55,769 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 05:37:55,769 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 05:37:59,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 05:37:59,465 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 103 trivial. 0 not checked. [2019-10-07 05:37:59,465 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 05:37:59,466 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 05:37:59,466 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-07 05:37:59,467 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-07 05:37:59,467 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-07 05:37:59,468 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-07 05:37:59,468 INFO L87 Difference]: Start difference. First operand 3566 states and 5402 transitions. Second operand 5 states. [2019-10-07 05:38:32,622 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 05:38:32,623 INFO L93 Difference]: Finished difference Result 7132 states and 10828 transitions. [2019-10-07 05:38:32,623 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-07 05:38:32,623 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 253 [2019-10-07 05:38:32,623 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 05:38:32,630 INFO L225 Difference]: With dead ends: 7132 [2019-10-07 05:38:32,630 INFO L226 Difference]: Without dead ends: 3584 [2019-10-07 05:38:32,640 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-10-07 05:38:32,645 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3584 states. [2019-10-07 05:38:32,835 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3584 to 3566. [2019-10-07 05:38:32,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3566 states. [2019-10-07 05:38:32,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3566 states to 3566 states and 5402 transitions. [2019-10-07 05:38:32,848 INFO L78 Accepts]: Start accepts. Automaton has 3566 states and 5402 transitions. Word has length 253 [2019-10-07 05:38:32,848 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 05:38:32,849 INFO L462 AbstractCegarLoop]: Abstraction has 3566 states and 5402 transitions. [2019-10-07 05:38:32,849 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-07 05:38:32,849 INFO L276 IsEmpty]: Start isEmpty. Operand 3566 states and 5402 transitions. [2019-10-07 05:38:32,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2019-10-07 05:38:32,870 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 05:38:32,871 INFO L385 BasicCegarLoop]: trace histogram [7, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 05:38:32,871 INFO L410 AbstractCegarLoop]: === Iteration 15 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 05:38:32,871 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 05:38:32,872 INFO L82 PathProgramCache]: Analyzing trace with hash -1240199419, now seen corresponding path program 1 times [2019-10-07 05:38:32,872 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 05:38:32,872 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 05:38:32,872 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 05:38:32,872 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 05:38:32,872 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 05:38:35,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 05:38:36,293 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 101 trivial. 0 not checked. [2019-10-07 05:38:36,293 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 05:38:36,293 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 05:38:36,294 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-07 05:38:36,294 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-07 05:38:36,294 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-07 05:38:36,295 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-10-07 05:38:36,295 INFO L87 Difference]: Start difference. First operand 3566 states and 5402 transitions. Second operand 6 states. [2019-10-07 05:39:09,161 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 05:39:09,161 INFO L93 Difference]: Finished difference Result 7132 states and 10830 transitions. [2019-10-07 05:39:09,161 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-07 05:39:09,162 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 253 [2019-10-07 05:39:09,162 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 05:39:09,169 INFO L225 Difference]: With dead ends: 7132 [2019-10-07 05:39:09,169 INFO L226 Difference]: Without dead ends: 3584 [2019-10-07 05:39:09,175 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2019-10-07 05:39:09,179 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3584 states. [2019-10-07 05:39:09,464 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3584 to 3570. [2019-10-07 05:39:09,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3570 states. [2019-10-07 05:39:09,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3570 states to 3570 states and 5406 transitions. [2019-10-07 05:39:09,475 INFO L78 Accepts]: Start accepts. Automaton has 3570 states and 5406 transitions. Word has length 253 [2019-10-07 05:39:09,475 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 05:39:09,476 INFO L462 AbstractCegarLoop]: Abstraction has 3570 states and 5406 transitions. [2019-10-07 05:39:09,476 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-07 05:39:09,476 INFO L276 IsEmpty]: Start isEmpty. Operand 3570 states and 5406 transitions. [2019-10-07 05:39:09,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 256 [2019-10-07 05:39:09,502 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 05:39:09,502 INFO L385 BasicCegarLoop]: trace histogram [7, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 05:39:09,503 INFO L410 AbstractCegarLoop]: === Iteration 16 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 05:39:09,503 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 05:39:09,504 INFO L82 PathProgramCache]: Analyzing trace with hash 39286297, now seen corresponding path program 1 times [2019-10-07 05:39:09,504 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 05:39:09,504 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 05:39:09,505 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 05:39:09,505 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 05:39:09,505 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 05:39:12,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 05:39:13,273 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 101 trivial. 0 not checked. [2019-10-07 05:39:13,274 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 05:39:13,274 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 05:39:13,274 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-07 05:39:13,275 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-07 05:39:13,275 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-07 05:39:13,275 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-10-07 05:39:13,275 INFO L87 Difference]: Start difference. First operand 3570 states and 5406 transitions. Second operand 6 states. [2019-10-07 05:39:41,259 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 05:39:41,259 INFO L93 Difference]: Finished difference Result 7140 states and 10838 transitions. [2019-10-07 05:39:41,259 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-07 05:39:41,259 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 255 [2019-10-07 05:39:41,260 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 05:39:41,268 INFO L225 Difference]: With dead ends: 7140 [2019-10-07 05:39:41,268 INFO L226 Difference]: Without dead ends: 3588 [2019-10-07 05:39:41,276 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2019-10-07 05:39:41,281 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3588 states. [2019-10-07 05:39:41,463 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3588 to 3574. [2019-10-07 05:39:41,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3574 states. [2019-10-07 05:39:41,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3574 states to 3574 states and 5410 transitions. [2019-10-07 05:39:41,474 INFO L78 Accepts]: Start accepts. Automaton has 3574 states and 5410 transitions. Word has length 255 [2019-10-07 05:39:41,476 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 05:39:41,476 INFO L462 AbstractCegarLoop]: Abstraction has 3574 states and 5410 transitions. [2019-10-07 05:39:41,476 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-07 05:39:41,476 INFO L276 IsEmpty]: Start isEmpty. Operand 3574 states and 5410 transitions. [2019-10-07 05:39:41,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 258 [2019-10-07 05:39:41,488 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 05:39:41,489 INFO L385 BasicCegarLoop]: trace histogram [7, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 05:39:41,490 INFO L410 AbstractCegarLoop]: === Iteration 17 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 05:39:41,490 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 05:39:41,490 INFO L82 PathProgramCache]: Analyzing trace with hash -428926363, now seen corresponding path program 1 times [2019-10-07 05:39:41,490 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 05:39:41,490 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 05:39:41,491 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 05:39:41,491 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 05:39:41,491 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 05:39:44,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 05:39:45,420 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 101 trivial. 0 not checked. [2019-10-07 05:39:45,421 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 05:39:45,421 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 05:39:45,421 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-07 05:39:45,422 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-07 05:39:45,422 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-07 05:39:45,422 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-10-07 05:39:45,422 INFO L87 Difference]: Start difference. First operand 3574 states and 5410 transitions. Second operand 6 states. [2019-10-07 05:40:18,866 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 05:40:18,866 INFO L93 Difference]: Finished difference Result 7176 states and 10892 transitions. [2019-10-07 05:40:18,867 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-07 05:40:18,867 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 257 [2019-10-07 05:40:18,867 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 05:40:18,875 INFO L225 Difference]: With dead ends: 7176 [2019-10-07 05:40:18,875 INFO L226 Difference]: Without dead ends: 3620 [2019-10-07 05:40:18,881 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2019-10-07 05:40:18,885 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3620 states. [2019-10-07 05:40:19,042 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3620 to 3606. [2019-10-07 05:40:19,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3606 states. [2019-10-07 05:40:19,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3606 states to 3606 states and 5462 transitions. [2019-10-07 05:40:19,053 INFO L78 Accepts]: Start accepts. Automaton has 3606 states and 5462 transitions. Word has length 257 [2019-10-07 05:40:19,053 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 05:40:19,053 INFO L462 AbstractCegarLoop]: Abstraction has 3606 states and 5462 transitions. [2019-10-07 05:40:19,053 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-07 05:40:19,053 INFO L276 IsEmpty]: Start isEmpty. Operand 3606 states and 5462 transitions. [2019-10-07 05:40:19,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 262 [2019-10-07 05:40:19,063 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 05:40:19,064 INFO L385 BasicCegarLoop]: trace histogram [7, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 05:40:19,064 INFO L410 AbstractCegarLoop]: === Iteration 18 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 05:40:19,064 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 05:40:19,064 INFO L82 PathProgramCache]: Analyzing trace with hash -550176635, now seen corresponding path program 1 times [2019-10-07 05:40:19,064 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 05:40:19,065 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 05:40:19,065 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 05:40:19,065 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 05:40:19,065 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 05:40:22,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 05:40:22,741 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 103 trivial. 0 not checked. [2019-10-07 05:40:22,741 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 05:40:22,741 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 05:40:22,741 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-07 05:40:22,742 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-07 05:40:22,742 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-07 05:40:22,742 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-07 05:40:22,743 INFO L87 Difference]: Start difference. First operand 3606 states and 5462 transitions. Second operand 5 states. [2019-10-07 05:40:55,640 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 05:40:55,641 INFO L93 Difference]: Finished difference Result 7212 states and 10948 transitions. [2019-10-07 05:40:55,641 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-07 05:40:55,641 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 261 [2019-10-07 05:40:55,642 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 05:40:55,650 INFO L225 Difference]: With dead ends: 7212 [2019-10-07 05:40:55,650 INFO L226 Difference]: Without dead ends: 3624 [2019-10-07 05:40:55,656 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-10-07 05:40:55,660 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3624 states. [2019-10-07 05:40:55,894 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3624 to 3606. [2019-10-07 05:40:55,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3606 states. [2019-10-07 05:40:55,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3606 states to 3606 states and 5462 transitions. [2019-10-07 05:40:55,905 INFO L78 Accepts]: Start accepts. Automaton has 3606 states and 5462 transitions. Word has length 261 [2019-10-07 05:40:55,906 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 05:40:55,906 INFO L462 AbstractCegarLoop]: Abstraction has 3606 states and 5462 transitions. [2019-10-07 05:40:55,906 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-07 05:40:55,906 INFO L276 IsEmpty]: Start isEmpty. Operand 3606 states and 5462 transitions. [2019-10-07 05:40:55,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 262 [2019-10-07 05:40:55,917 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 05:40:55,918 INFO L385 BasicCegarLoop]: trace histogram [7, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 05:40:55,918 INFO L410 AbstractCegarLoop]: === Iteration 19 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 05:40:55,919 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 05:40:55,919 INFO L82 PathProgramCache]: Analyzing trace with hash 686475141, now seen corresponding path program 1 times [2019-10-07 05:40:55,919 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 05:40:55,919 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 05:40:55,920 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 05:40:55,920 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 05:40:55,920 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 05:40:59,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 05:40:59,684 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 101 trivial. 0 not checked. [2019-10-07 05:40:59,684 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 05:40:59,685 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 05:40:59,685 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-07 05:40:59,685 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-07 05:40:59,686 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-07 05:40:59,686 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-10-07 05:40:59,686 INFO L87 Difference]: Start difference. First operand 3606 states and 5462 transitions. Second operand 6 states. [2019-10-07 05:41:40,004 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 05:41:40,004 INFO L93 Difference]: Finished difference Result 7240 states and 10996 transitions. [2019-10-07 05:41:40,005 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-07 05:41:40,005 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 261 [2019-10-07 05:41:40,005 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 05:41:40,014 INFO L225 Difference]: With dead ends: 7240 [2019-10-07 05:41:40,014 INFO L226 Difference]: Without dead ends: 3652 [2019-10-07 05:41:40,022 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2019-10-07 05:41:40,026 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3652 states. [2019-10-07 05:41:40,193 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3652 to 3638. [2019-10-07 05:41:40,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3638 states. [2019-10-07 05:41:40,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3638 states to 3638 states and 5514 transitions. [2019-10-07 05:41:40,205 INFO L78 Accepts]: Start accepts. Automaton has 3638 states and 5514 transitions. Word has length 261 [2019-10-07 05:41:40,205 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 05:41:40,205 INFO L462 AbstractCegarLoop]: Abstraction has 3638 states and 5514 transitions. [2019-10-07 05:41:40,205 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-07 05:41:40,206 INFO L276 IsEmpty]: Start isEmpty. Operand 3638 states and 5514 transitions. [2019-10-07 05:41:40,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 264 [2019-10-07 05:41:40,218 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 05:41:40,218 INFO L385 BasicCegarLoop]: trace histogram [7, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 05:41:40,219 INFO L410 AbstractCegarLoop]: === Iteration 20 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 05:41:40,219 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 05:41:40,219 INFO L82 PathProgramCache]: Analyzing trace with hash 187901771, now seen corresponding path program 1 times [2019-10-07 05:41:40,220 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 05:41:40,220 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 05:41:40,220 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 05:41:40,220 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 05:41:40,220 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 05:41:44,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 05:41:44,899 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 103 trivial. 0 not checked. [2019-10-07 05:41:44,899 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 05:41:44,900 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 05:41:44,900 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-07 05:41:44,901 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-07 05:41:44,902 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-07 05:41:44,902 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-07 05:41:44,902 INFO L87 Difference]: Start difference. First operand 3638 states and 5514 transitions. Second operand 5 states. [2019-10-07 05:42:22,085 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 05:42:22,085 INFO L93 Difference]: Finished difference Result 7276 states and 11052 transitions. [2019-10-07 05:42:22,086 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-07 05:42:22,086 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 263 [2019-10-07 05:42:22,086 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 05:42:22,095 INFO L225 Difference]: With dead ends: 7276 [2019-10-07 05:42:22,095 INFO L226 Difference]: Without dead ends: 3656 [2019-10-07 05:42:22,103 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-10-07 05:42:22,107 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3656 states. [2019-10-07 05:42:22,256 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3656 to 3638. [2019-10-07 05:42:22,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3638 states. [2019-10-07 05:42:22,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3638 states to 3638 states and 5514 transitions. [2019-10-07 05:42:22,268 INFO L78 Accepts]: Start accepts. Automaton has 3638 states and 5514 transitions. Word has length 263 [2019-10-07 05:42:22,268 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 05:42:22,268 INFO L462 AbstractCegarLoop]: Abstraction has 3638 states and 5514 transitions. [2019-10-07 05:42:22,268 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-07 05:42:22,269 INFO L276 IsEmpty]: Start isEmpty. Operand 3638 states and 5514 transitions. [2019-10-07 05:42:22,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 266 [2019-10-07 05:42:22,279 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 05:42:22,280 INFO L385 BasicCegarLoop]: trace histogram [7, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 05:42:22,280 INFO L410 AbstractCegarLoop]: === Iteration 21 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 05:42:22,280 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 05:42:22,280 INFO L82 PathProgramCache]: Analyzing trace with hash -1403467675, now seen corresponding path program 1 times [2019-10-07 05:42:22,281 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 05:42:22,281 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 05:42:22,281 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 05:42:22,281 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 05:42:22,281 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 05:42:26,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 05:42:26,796 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 103 trivial. 0 not checked. [2019-10-07 05:42:26,797 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 05:42:26,797 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 05:42:26,797 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-07 05:42:26,800 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-07 05:42:26,800 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-07 05:42:26,800 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-07 05:42:26,801 INFO L87 Difference]: Start difference. First operand 3638 states and 5514 transitions. Second operand 5 states. [2019-10-07 05:43:01,898 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 05:43:01,898 INFO L93 Difference]: Finished difference Result 7276 states and 11052 transitions. [2019-10-07 05:43:01,899 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-07 05:43:01,899 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 265 [2019-10-07 05:43:01,899 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 05:43:01,908 INFO L225 Difference]: With dead ends: 7276 [2019-10-07 05:43:01,909 INFO L226 Difference]: Without dead ends: 3656 [2019-10-07 05:43:01,917 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-10-07 05:43:01,921 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3656 states. [2019-10-07 05:43:02,043 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3656 to 3638. [2019-10-07 05:43:02,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3638 states. [2019-10-07 05:43:02,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3638 states to 3638 states and 5514 transitions. [2019-10-07 05:43:02,053 INFO L78 Accepts]: Start accepts. Automaton has 3638 states and 5514 transitions. Word has length 265 [2019-10-07 05:43:02,054 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 05:43:02,054 INFO L462 AbstractCegarLoop]: Abstraction has 3638 states and 5514 transitions. [2019-10-07 05:43:02,054 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-07 05:43:02,054 INFO L276 IsEmpty]: Start isEmpty. Operand 3638 states and 5514 transitions. [2019-10-07 05:43:02,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268 [2019-10-07 05:43:02,064 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 05:43:02,064 INFO L385 BasicCegarLoop]: trace histogram [7, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 05:43:02,065 INFO L410 AbstractCegarLoop]: === Iteration 22 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 05:43:02,065 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 05:43:02,065 INFO L82 PathProgramCache]: Analyzing trace with hash -1134912799, now seen corresponding path program 1 times [2019-10-07 05:43:02,065 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 05:43:02,065 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 05:43:02,066 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 05:43:02,066 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 05:43:02,066 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 05:43:04,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 05:43:05,080 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 126 trivial. 0 not checked. [2019-10-07 05:43:05,080 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 05:43:05,080 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 05:43:05,080 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-07 05:43:05,083 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-07 05:43:05,084 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-07 05:43:05,084 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-07 05:43:05,084 INFO L87 Difference]: Start difference. First operand 3638 states and 5514 transitions. Second operand 5 states. [2019-10-07 05:43:38,449 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 05:43:38,450 INFO L93 Difference]: Finished difference Result 7276 states and 11052 transitions. [2019-10-07 05:43:38,450 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-07 05:43:38,451 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 267 [2019-10-07 05:43:38,451 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 05:43:38,459 INFO L225 Difference]: With dead ends: 7276 [2019-10-07 05:43:38,459 INFO L226 Difference]: Without dead ends: 3656 [2019-10-07 05:43:38,465 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-10-07 05:43:38,469 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3656 states. [2019-10-07 05:43:38,585 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3656 to 3638. [2019-10-07 05:43:38,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3638 states. [2019-10-07 05:43:38,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3638 states to 3638 states and 5514 transitions. [2019-10-07 05:43:38,592 INFO L78 Accepts]: Start accepts. Automaton has 3638 states and 5514 transitions. Word has length 267 [2019-10-07 05:43:38,593 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 05:43:38,593 INFO L462 AbstractCegarLoop]: Abstraction has 3638 states and 5514 transitions. [2019-10-07 05:43:38,593 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-07 05:43:38,593 INFO L276 IsEmpty]: Start isEmpty. Operand 3638 states and 5514 transitions. [2019-10-07 05:43:38,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 272 [2019-10-07 05:43:38,602 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 05:43:38,602 INFO L385 BasicCegarLoop]: trace histogram [7, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 05:43:38,603 INFO L410 AbstractCegarLoop]: === Iteration 23 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 05:43:38,603 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 05:43:38,603 INFO L82 PathProgramCache]: Analyzing trace with hash -1763970725, now seen corresponding path program 1 times [2019-10-07 05:43:38,603 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 05:43:38,603 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 05:43:38,604 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 05:43:38,604 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 05:43:38,604 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 05:43:41,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 05:43:42,097 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 103 trivial. 0 not checked. [2019-10-07 05:43:42,097 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 05:43:42,097 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 05:43:42,097 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-07 05:43:42,098 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-07 05:43:42,098 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-07 05:43:42,098 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-07 05:43:42,098 INFO L87 Difference]: Start difference. First operand 3638 states and 5514 transitions. Second operand 5 states.