java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/ldv-commit-tester/m0_drivers-media-video-cx88-cx88-dvb-ko--32_7a--d47b389.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-08 14:26:18,110 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-08 14:26:18,111 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-08 14:26:18,123 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-08 14:26:18,123 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-08 14:26:18,124 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-08 14:26:18,125 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-08 14:26:18,127 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-08 14:26:18,129 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-08 14:26:18,129 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-08 14:26:18,130 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-08 14:26:18,131 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-08 14:26:18,132 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-08 14:26:18,133 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-08 14:26:18,133 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-08 14:26:18,135 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-08 14:26:18,135 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-08 14:26:18,136 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-08 14:26:18,138 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-08 14:26:18,139 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-08 14:26:18,141 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-08 14:26:18,142 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-08 14:26:18,143 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-08 14:26:18,143 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-08 14:26:18,145 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-08 14:26:18,146 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-08 14:26:18,146 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-08 14:26:18,147 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-08 14:26:18,147 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-08 14:26:18,148 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-08 14:26:18,148 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-08 14:26:18,149 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-08 14:26:18,150 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-08 14:26:18,150 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-08 14:26:18,151 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-08 14:26:18,151 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-08 14:26:18,152 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-08 14:26:18,152 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-08 14:26:18,152 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-08 14:26:18,153 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-08 14:26:18,154 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-08 14:26:18,155 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 [2019-09-08 14:26:18,168 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-08 14:26:18,168 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-08 14:26:18,169 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-08 14:26:18,170 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-08 14:26:18,170 INFO L138 SettingsManager]: * Use SBE=true [2019-09-08 14:26:18,170 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-08 14:26:18,170 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-08 14:26:18,170 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-08 14:26:18,171 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-08 14:26:18,171 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-08 14:26:18,171 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-08 14:26:18,171 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-08 14:26:18,171 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-08 14:26:18,172 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-08 14:26:18,172 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-08 14:26:18,172 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-08 14:26:18,172 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-08 14:26:18,172 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-08 14:26:18,173 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-08 14:26:18,173 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-08 14:26:18,173 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-08 14:26:18,173 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-08 14:26:18,173 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-08 14:26:18,174 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-08 14:26:18,174 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-08 14:26:18,174 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-08 14:26:18,174 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-08 14:26:18,174 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-08 14:26:18,174 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-08 14:26:18,203 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-08 14:26:18,219 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-08 14:26:18,223 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-08 14:26:18,224 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-08 14:26:18,225 INFO L275 PluginConnector]: CDTParser initialized [2019-09-08 14:26:18,226 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-commit-tester/m0_drivers-media-video-cx88-cx88-dvb-ko--32_7a--d47b389.i [2019-09-08 14:26:18,290 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a2aa4f7da/73e83d1289d44b82902ca4cfc2d79508/FLAG5c839f1cb [2019-09-08 14:26:19,119 INFO L306 CDTParser]: Found 1 translation units. [2019-09-08 14:26:19,120 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-commit-tester/m0_drivers-media-video-cx88-cx88-dvb-ko--32_7a--d47b389.i [2019-09-08 14:26:19,165 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a2aa4f7da/73e83d1289d44b82902ca4cfc2d79508/FLAG5c839f1cb [2019-09-08 14:26:19,605 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a2aa4f7da/73e83d1289d44b82902ca4cfc2d79508 [2019-09-08 14:26:19,618 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-08 14:26:19,619 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-08 14:26:19,620 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-08 14:26:19,621 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-08 14:26:19,624 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-08 14:26:19,625 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.09 02:26:19" (1/1) ... [2019-09-08 14:26:19,628 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7d7e4e80 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 02:26:19, skipping insertion in model container [2019-09-08 14:26:19,629 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.09 02:26:19" (1/1) ... [2019-09-08 14:26:19,637 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-08 14:26:19,805 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-08 14:26:22,434 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-08 14:26:22,525 INFO L188 MainTranslator]: Completed pre-run [2019-09-08 14:26:23,169 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-08 14:26:23,325 INFO L192 MainTranslator]: Completed translation [2019-09-08 14:26:23,327 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 02:26:23 WrapperNode [2019-09-08 14:26:23,327 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-08 14:26:23,328 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-08 14:26:23,328 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-08 14:26:23,328 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-08 14:26:23,346 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 02:26:23" (1/1) ... [2019-09-08 14:26:23,346 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 02:26:23" (1/1) ... [2019-09-08 14:26:23,478 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 02:26:23" (1/1) ... [2019-09-08 14:26:23,481 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 02:26:23" (1/1) ... [2019-09-08 14:26:23,711 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 02:26:23" (1/1) ... [2019-09-08 14:26:23,758 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 02:26:23" (1/1) ... [2019-09-08 14:26:23,826 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 02:26:23" (1/1) ... [2019-09-08 14:26:23,882 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-08 14:26:23,884 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-08 14:26:23,884 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-08 14:26:23,884 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-08 14:26:23,885 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 02:26:23" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-08 14:26:23,956 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-08 14:26:23,957 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-08 14:26:23,957 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~int [2019-09-08 14:26:23,959 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~int [2019-09-08 14:26:23,959 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~TO~int [2019-09-08 14:26:23,959 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2019-09-08 14:26:23,959 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~fe_sec_voltage_t~0~TO~int [2019-09-08 14:26:23,960 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~$Pointer$ [2019-09-08 14:26:23,960 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~int~TO~$Pointer$ [2019-09-08 14:26:23,960 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~~u8~0~X~int~TO~$Pointer$ [2019-09-08 14:26:23,960 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~~u8~0~X~~u8~0~X~~u8~0~TO~$Pointer$ [2019-09-08 14:26:23,960 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~~u8~0~TO~$Pointer$ [2019-09-08 14:26:23,961 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~$Pointer$ [2019-09-08 14:26:23,961 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2019-09-08 14:26:23,962 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~TO~$Pointer$ [2019-09-08 14:26:23,962 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~$Pointer$ [2019-09-08 14:26:23,963 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~VOID [2019-09-08 14:26:23,963 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2019-09-08 14:26:23,964 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2019-09-08 14:26:23,964 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2019-09-08 14:26:23,964 INFO L138 BoogieDeclarations]: Found implementation of procedure mt352_write [2019-09-08 14:26:23,965 INFO L138 BoogieDeclarations]: Found implementation of procedure stv0299_writereg [2019-09-08 14:26:23,965 INFO L138 BoogieDeclarations]: Found implementation of procedure sharp_z0194a_set_symbol_rate [2019-09-08 14:26:23,966 INFO L138 BoogieDeclarations]: Found implementation of procedure stb6100_get_freq [2019-09-08 14:26:23,966 INFO L138 BoogieDeclarations]: Found implementation of procedure stb6100_set_freq [2019-09-08 14:26:23,966 INFO L138 BoogieDeclarations]: Found implementation of procedure stb6100_get_bandw [2019-09-08 14:26:23,968 INFO L138 BoogieDeclarations]: Found implementation of procedure stb6100_set_bandw [2019-09-08 14:26:23,968 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_buf_setup [2019-09-08 14:26:23,968 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_buf_prepare [2019-09-08 14:26:23,968 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_buf_queue [2019-09-08 14:26:23,969 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_buf_release [2019-09-08 14:26:23,969 INFO L138 BoogieDeclarations]: Found implementation of procedure cx88_dvb_bus_ctrl [2019-09-08 14:26:23,969 INFO L138 BoogieDeclarations]: Found implementation of procedure cx88_dvb_gate_ctrl [2019-09-08 14:26:23,969 INFO L138 BoogieDeclarations]: Found implementation of procedure dvico_fusionhdtv_demod_init [2019-09-08 14:26:23,969 INFO L138 BoogieDeclarations]: Found implementation of procedure dvico_dual_demod_init [2019-09-08 14:26:23,969 INFO L138 BoogieDeclarations]: Found implementation of procedure dntv_live_dvbt_demod_init [2019-09-08 14:26:23,970 INFO L138 BoogieDeclarations]: Found implementation of procedure dntv_live_dvbt_pro_demod_init [2019-09-08 14:26:23,970 INFO L138 BoogieDeclarations]: Found implementation of procedure or51132_set_ts_param [2019-09-08 14:26:23,970 INFO L138 BoogieDeclarations]: Found implementation of procedure lgdt330x_pll_rf_set [2019-09-08 14:26:23,970 INFO L138 BoogieDeclarations]: Found implementation of procedure lgdt330x_set_ts_param [2019-09-08 14:26:23,970 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt200x_set_ts_param [2019-09-08 14:26:23,971 INFO L138 BoogieDeclarations]: Found implementation of procedure cx24123_set_ts_param [2019-09-08 14:26:23,971 INFO L138 BoogieDeclarations]: Found implementation of procedure kworld_dvbs_100_set_voltage [2019-09-08 14:26:23,971 INFO L138 BoogieDeclarations]: Found implementation of procedure geniatech_dvbs_set_voltage [2019-09-08 14:26:23,972 INFO L138 BoogieDeclarations]: Found implementation of procedure tevii_dvbs_set_voltage [2019-09-08 14:26:23,972 INFO L138 BoogieDeclarations]: Found implementation of procedure vp1027_set_voltage [2019-09-08 14:26:23,972 INFO L138 BoogieDeclarations]: Found implementation of procedure attach_xc3028 [2019-09-08 14:26:23,972 INFO L138 BoogieDeclarations]: Found implementation of procedure cx24116_set_ts_param [2019-09-08 14:26:23,972 INFO L138 BoogieDeclarations]: Found implementation of procedure stv0900_set_ts_param [2019-09-08 14:26:23,972 INFO L138 BoogieDeclarations]: Found implementation of procedure cx24116_reset_device [2019-09-08 14:26:23,972 INFO L138 BoogieDeclarations]: Found implementation of procedure cx8802_alloc_frontends [2019-09-08 14:26:23,973 INFO L138 BoogieDeclarations]: Found implementation of procedure samsung_smt_7020_tuner_set_params [2019-09-08 14:26:23,973 INFO L138 BoogieDeclarations]: Found implementation of procedure samsung_smt_7020_set_tone [2019-09-08 14:26:23,973 INFO L138 BoogieDeclarations]: Found implementation of procedure samsung_smt_7020_set_voltage [2019-09-08 14:26:23,973 INFO L138 BoogieDeclarations]: Found implementation of procedure samsung_smt_7020_stv0299_set_symbol_rate [2019-09-08 14:26:23,973 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_register [2019-09-08 14:26:23,973 INFO L138 BoogieDeclarations]: Found implementation of procedure cx8802_dvb_advise_acquire [2019-09-08 14:26:23,973 INFO L138 BoogieDeclarations]: Found implementation of procedure cx8802_dvb_advise_release [2019-09-08 14:26:23,974 INFO L138 BoogieDeclarations]: Found implementation of procedure cx8802_dvb_probe [2019-09-08 14:26:23,974 INFO L138 BoogieDeclarations]: Found implementation of procedure cx8802_dvb_remove [2019-09-08 14:26:23,974 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_init [2019-09-08 14:26:23,974 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_fini [2019-09-08 14:26:23,974 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-08 14:26:23,974 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_1 [2019-09-08 14:26:23,974 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_2 [2019-09-08 14:26:23,975 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_3 [2019-09-08 14:26:23,975 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_4 [2019-09-08 14:26:23,975 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_5 [2019-09-08 14:26:23,975 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_6 [2019-09-08 14:26:23,976 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_7 [2019-09-08 14:26:23,976 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_8 [2019-09-08 14:26:23,976 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_9 [2019-09-08 14:26:23,976 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_10 [2019-09-08 14:26:23,976 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_11 [2019-09-08 14:26:23,977 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2019-09-08 14:26:23,977 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2019-09-08 14:26:23,977 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_lock_of_cx88_core [2019-09-08 14:26:23,978 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_lock_of_cx88_core [2019-09-08 14:26:23,978 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock_of_cx88_core [2019-09-08 14:26:23,978 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_lock_of_cx88_core [2019-09-08 14:26:23,978 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_lock_of_cx88_core [2019-09-08 14:26:23,979 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_lock_of_cx88_core [2019-09-08 14:26:23,979 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock_of_cx88_core [2019-09-08 14:26:23,979 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_lock_of_v4l2_ctrl_handler [2019-09-08 14:26:23,980 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_lock_of_v4l2_ctrl_handler [2019-09-08 14:26:23,980 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock_of_v4l2_ctrl_handler [2019-09-08 14:26:23,980 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_lock_of_v4l2_ctrl_handler [2019-09-08 14:26:23,981 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_lock_of_v4l2_ctrl_handler [2019-09-08 14:26:23,981 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_lock_of_v4l2_ctrl_handler [2019-09-08 14:26:23,982 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock_of_v4l2_ctrl_handler [2019-09-08 14:26:23,982 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_mutex_of_device [2019-09-08 14:26:23,983 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_mutex_of_device [2019-09-08 14:26:23,983 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mutex_of_device [2019-09-08 14:26:23,983 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_mutex_of_device [2019-09-08 14:26:23,983 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2019-09-08 14:26:23,983 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_mutex_of_device [2019-09-08 14:26:23,983 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex_of_device [2019-09-08 14:26:23,984 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_pm_mutex [2019-09-08 14:26:23,984 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_pm_mutex [2019-09-08 14:26:23,984 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_pm_mutex [2019-09-08 14:26:23,984 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_pm_mutex [2019-09-08 14:26:23,985 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_pm_mutex [2019-09-08 14:26:23,985 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_pm_mutex [2019-09-08 14:26:23,985 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_pm_mutex [2019-09-08 14:26:23,985 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_vb_lock_of_videobuf_queue [2019-09-08 14:26:23,986 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_vb_lock_of_videobuf_queue [2019-09-08 14:26:23,986 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_vb_lock_of_videobuf_queue [2019-09-08 14:26:23,986 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_vb_lock_of_videobuf_queue [2019-09-08 14:26:23,986 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_vb_lock_of_videobuf_queue [2019-09-08 14:26:23,986 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_vb_lock_of_videobuf_queue [2019-09-08 14:26:23,987 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_vb_lock_of_videobuf_queue [2019-09-08 14:26:23,987 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-09-08 14:26:23,987 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-09-08 14:26:23,987 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2019-09-08 14:26:23,987 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2019-09-08 14:26:23,987 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_module [2019-09-08 14:26:23,987 INFO L138 BoogieDeclarations]: Found implementation of procedure __symbol_get [2019-09-08 14:26:23,988 INFO L138 BoogieDeclarations]: Found implementation of procedure __symbol_put [2019-09-08 14:26:23,989 INFO L138 BoogieDeclarations]: Found implementation of procedure cx8802_buf_prepare [2019-09-08 14:26:23,989 INFO L138 BoogieDeclarations]: Found implementation of procedure cx8802_buf_queue [2019-09-08 14:26:23,990 INFO L138 BoogieDeclarations]: Found implementation of procedure cx8802_get_driver [2019-09-08 14:26:23,990 INFO L138 BoogieDeclarations]: Found implementation of procedure cx8802_register_driver [2019-09-08 14:26:23,990 INFO L138 BoogieDeclarations]: Found implementation of procedure cx8802_unregister_driver [2019-09-08 14:26:23,990 INFO L138 BoogieDeclarations]: Found implementation of procedure cx88_free_buffer [2019-09-08 14:26:23,991 INFO L138 BoogieDeclarations]: Found implementation of procedure cx88_setup_xc3028 [2019-09-08 14:26:23,991 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_frontend_detach [2019-09-08 14:26:23,991 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_unregister_frontend [2019-09-08 14:26:23,992 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_transfer [2019-09-08 14:26:23,992 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value [2019-09-08 14:26:23,992 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value_probe [2019-09-08 14:26:23,992 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler_precall [2019-09-08 14:26:23,993 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2019-09-08 14:26:23,993 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2019-09-08 14:26:23,993 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_trylock [2019-09-08 14:26:23,993 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2019-09-08 14:26:23,994 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2019-09-08 14:26:23,994 INFO L138 BoogieDeclarations]: Found implementation of procedure videobuf_dvb_alloc_frontend [2019-09-08 14:26:23,994 INFO L138 BoogieDeclarations]: Found implementation of procedure videobuf_dvb_dealloc_frontends [2019-09-08 14:26:23,994 INFO L138 BoogieDeclarations]: Found implementation of procedure videobuf_dvb_find_frontend [2019-09-08 14:26:23,995 INFO L138 BoogieDeclarations]: Found implementation of procedure videobuf_dvb_get_frontend [2019-09-08 14:26:23,999 INFO L138 BoogieDeclarations]: Found implementation of procedure videobuf_dvb_register_bus [2019-09-08 14:26:24,000 INFO L138 BoogieDeclarations]: Found implementation of procedure videobuf_dvb_unregister_bus [2019-09-08 14:26:24,000 INFO L138 BoogieDeclarations]: Found implementation of procedure videobuf_queue_sg_init [2019-09-08 14:26:24,000 INFO L138 BoogieDeclarations]: Found implementation of procedure vp3054_i2c_probe [2019-09-08 14:26:24,010 INFO L138 BoogieDeclarations]: Found implementation of procedure vp3054_i2c_remove [2019-09-08 14:26:24,011 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-09-08 14:26:24,011 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-09-08 14:26:24,013 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-08 14:26:24,013 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2019-09-08 14:26:24,013 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2019-09-08 14:26:24,013 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-08 14:26:24,013 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2019-09-08 14:26:24,013 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_trylock [2019-09-08 14:26:24,014 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_2 [2019-09-08 14:26:24,014 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2019-09-08 14:26:24,014 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_3 [2019-09-08 14:26:24,014 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_5 [2019-09-08 14:26:24,014 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_7 [2019-09-08 14:26:24,014 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_9 [2019-09-08 14:26:24,014 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_11 [2019-09-08 14:26:24,015 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2019-09-08 14:26:24,015 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_1 [2019-09-08 14:26:24,015 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_4 [2019-09-08 14:26:24,015 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_6 [2019-09-08 14:26:24,015 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_8 [2019-09-08 14:26:24,015 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_10 [2019-09-08 14:26:24,016 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock_of_cx88_core [2019-09-08 14:26:24,016 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock_of_cx88_core [2019-09-08 14:26:24,016 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock_of_v4l2_ctrl_handler [2019-09-08 14:26:24,016 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock_of_v4l2_ctrl_handler [2019-09-08 14:26:24,016 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mutex_of_device [2019-09-08 14:26:24,016 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_mutex_of_device [2019-09-08 14:26:24,016 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex_of_device [2019-09-08 14:26:24,017 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_pm_mutex [2019-09-08 14:26:24,017 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_pm_mutex [2019-09-08 14:26:24,017 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_vb_lock_of_videobuf_queue [2019-09-08 14:26:24,017 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_vb_lock_of_videobuf_queue [2019-09-08 14:26:24,017 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2019-09-08 14:26:24,017 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2019-09-08 14:26:24,017 INFO L130 BoogieDeclarations]: Found specification of procedure __request_module [2019-09-08 14:26:24,018 INFO L130 BoogieDeclarations]: Found specification of procedure __symbol_get [2019-09-08 14:26:24,018 INFO L130 BoogieDeclarations]: Found specification of procedure __symbol_put [2019-09-08 14:26:24,018 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2019-09-08 14:26:24,018 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2019-09-08 14:26:24,018 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_transfer [2019-09-08 14:26:24,018 INFO L130 BoogieDeclarations]: Found specification of procedure videobuf_queue_sg_init [2019-09-08 14:26:24,018 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_unregister_frontend [2019-09-08 14:26:24,019 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_frontend_detach [2019-09-08 14:26:24,019 INFO L130 BoogieDeclarations]: Found specification of procedure videobuf_dvb_register_bus [2019-09-08 14:26:24,019 INFO L130 BoogieDeclarations]: Found specification of procedure videobuf_dvb_unregister_bus [2019-09-08 14:26:24,019 INFO L130 BoogieDeclarations]: Found specification of procedure videobuf_dvb_alloc_frontend [2019-09-08 14:26:24,019 INFO L130 BoogieDeclarations]: Found specification of procedure videobuf_dvb_dealloc_frontends [2019-09-08 14:26:24,019 INFO L130 BoogieDeclarations]: Found specification of procedure videobuf_dvb_get_frontend [2019-09-08 14:26:24,019 INFO L130 BoogieDeclarations]: Found specification of procedure videobuf_dvb_find_frontend [2019-09-08 14:26:24,020 INFO L130 BoogieDeclarations]: Found specification of procedure cx88_free_buffer [2019-09-08 14:26:24,020 INFO L130 BoogieDeclarations]: Found specification of procedure cx88_tuner_callback [2019-09-08 14:26:24,020 INFO L130 BoogieDeclarations]: Found specification of procedure cx88_setup_xc3028 [2019-09-08 14:26:24,020 INFO L130 BoogieDeclarations]: Found specification of procedure cx8802_register_driver [2019-09-08 14:26:24,020 INFO L130 BoogieDeclarations]: Found specification of procedure cx8802_unregister_driver [2019-09-08 14:26:24,020 INFO L130 BoogieDeclarations]: Found specification of procedure cx8802_get_driver [2019-09-08 14:26:24,020 INFO L130 BoogieDeclarations]: Found specification of procedure cx8802_buf_prepare [2019-09-08 14:26:24,021 INFO L130 BoogieDeclarations]: Found specification of procedure cx8802_buf_queue [2019-09-08 14:26:24,021 INFO L130 BoogieDeclarations]: Found specification of procedure mt352_write [2019-09-08 14:26:24,021 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~int [2019-09-08 14:26:24,021 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-08 14:26:24,021 INFO L130 BoogieDeclarations]: Found specification of procedure vp3054_i2c_probe [2019-09-08 14:26:24,021 INFO L130 BoogieDeclarations]: Found specification of procedure vp3054_i2c_remove [2019-09-08 14:26:24,021 INFO L130 BoogieDeclarations]: Found specification of procedure stv0299_writereg [2019-09-08 14:26:24,022 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-08 14:26:24,022 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-08 14:26:24,022 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-08 14:26:24,022 INFO L130 BoogieDeclarations]: Found specification of procedure sharp_z0194a_set_symbol_rate [2019-09-08 14:26:24,022 INFO L130 BoogieDeclarations]: Found specification of procedure stb6100_get_freq [2019-09-08 14:26:24,022 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~int [2019-09-08 14:26:24,022 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~TO~int [2019-09-08 14:26:24,022 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-08 14:26:24,023 INFO L130 BoogieDeclarations]: Found specification of procedure stb6100_set_freq [2019-09-08 14:26:24,023 INFO L130 BoogieDeclarations]: Found specification of procedure stb6100_get_bandw [2019-09-08 14:26:24,023 INFO L130 BoogieDeclarations]: Found specification of procedure stb6100_set_bandw [2019-09-08 14:26:24,023 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_buf_setup [2019-09-08 14:26:24,023 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_buf_prepare [2019-09-08 14:26:24,023 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_buf_queue [2019-09-08 14:26:24,023 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_buf_release [2019-09-08 14:26:24,024 INFO L130 BoogieDeclarations]: Found specification of procedure cx88_dvb_bus_ctrl [2019-09-08 14:26:24,024 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2019-09-08 14:26:24,024 INFO L130 BoogieDeclarations]: Found specification of procedure cx88_dvb_gate_ctrl [2019-09-08 14:26:24,024 INFO L130 BoogieDeclarations]: Found specification of procedure dvico_fusionhdtv_demod_init [2019-09-08 14:26:24,024 INFO L130 BoogieDeclarations]: Found specification of procedure dvico_dual_demod_init [2019-09-08 14:26:24,024 INFO L130 BoogieDeclarations]: Found specification of procedure dntv_live_dvbt_demod_init [2019-09-08 14:26:24,024 INFO L130 BoogieDeclarations]: Found specification of procedure dntv_live_dvbt_pro_demod_init [2019-09-08 14:26:24,025 INFO L130 BoogieDeclarations]: Found specification of procedure or51132_set_ts_param [2019-09-08 14:26:24,025 INFO L130 BoogieDeclarations]: Found specification of procedure lgdt330x_pll_rf_set [2019-09-08 14:26:24,025 INFO L130 BoogieDeclarations]: Found specification of procedure lgdt330x_set_ts_param [2019-09-08 14:26:24,025 INFO L130 BoogieDeclarations]: Found specification of procedure nxt200x_set_ts_param [2019-09-08 14:26:24,025 INFO L130 BoogieDeclarations]: Found specification of procedure cx24123_set_ts_param [2019-09-08 14:26:24,025 INFO L130 BoogieDeclarations]: Found specification of procedure kworld_dvbs_100_set_voltage [2019-09-08 14:26:24,025 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~fe_sec_voltage_t~0~TO~int [2019-09-08 14:26:24,025 INFO L130 BoogieDeclarations]: Found specification of procedure geniatech_dvbs_set_voltage [2019-09-08 14:26:24,026 INFO L130 BoogieDeclarations]: Found specification of procedure tevii_dvbs_set_voltage [2019-09-08 14:26:24,026 INFO L130 BoogieDeclarations]: Found specification of procedure vp1027_set_voltage [2019-09-08 14:26:24,026 INFO L130 BoogieDeclarations]: Found specification of procedure attach_xc3028 [2019-09-08 14:26:24,026 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~$Pointer$ [2019-09-08 14:26:24,026 INFO L130 BoogieDeclarations]: Found specification of procedure cx24116_set_ts_param [2019-09-08 14:26:24,026 INFO L130 BoogieDeclarations]: Found specification of procedure stv0900_set_ts_param [2019-09-08 14:26:24,026 INFO L130 BoogieDeclarations]: Found specification of procedure cx24116_reset_device [2019-09-08 14:26:24,027 INFO L130 BoogieDeclarations]: Found specification of procedure cx8802_alloc_frontends [2019-09-08 14:26:24,027 INFO L130 BoogieDeclarations]: Found specification of procedure samsung_smt_7020_tuner_set_params [2019-09-08 14:26:24,027 INFO L130 BoogieDeclarations]: Found specification of procedure samsung_smt_7020_set_tone [2019-09-08 14:26:24,027 INFO L130 BoogieDeclarations]: Found specification of procedure samsung_smt_7020_set_voltage [2019-09-08 14:26:24,027 INFO L130 BoogieDeclarations]: Found specification of procedure samsung_smt_7020_stv0299_set_symbol_rate [2019-09-08 14:26:24,027 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_register [2019-09-08 14:26:24,027 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~int~TO~$Pointer$ [2019-09-08 14:26:24,027 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~~u8~0~X~int~TO~$Pointer$ [2019-09-08 14:26:24,028 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~~u8~0~X~~u8~0~X~~u8~0~TO~$Pointer$ [2019-09-08 14:26:24,028 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~~u8~0~TO~$Pointer$ [2019-09-08 14:26:24,028 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~$Pointer$ [2019-09-08 14:26:24,028 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2019-09-08 14:26:24,028 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~TO~$Pointer$ [2019-09-08 14:26:24,028 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~$Pointer$ [2019-09-08 14:26:24,028 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~VOID [2019-09-08 14:26:24,029 INFO L130 BoogieDeclarations]: Found specification of procedure cx8802_dvb_advise_acquire [2019-09-08 14:26:24,029 INFO L130 BoogieDeclarations]: Found specification of procedure cx8802_dvb_advise_release [2019-09-08 14:26:24,029 INFO L130 BoogieDeclarations]: Found specification of procedure cx8802_dvb_probe [2019-09-08 14:26:24,029 INFO L130 BoogieDeclarations]: Found specification of procedure cx8802_dvb_remove [2019-09-08 14:26:24,029 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_init [2019-09-08 14:26:24,029 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_fini [2019-09-08 14:26:24,031 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-09-08 14:26:24,035 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value [2019-09-08 14:26:24,036 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value_probe [2019-09-08 14:26:24,036 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-09-08 14:26:24,036 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler_precall [2019-09-08 14:26:24,036 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-08 14:26:24,040 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-08 14:26:24,040 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2019-09-08 14:26:24,041 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2019-09-08 14:26:24,041 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_lock_of_cx88_core [2019-09-08 14:26:24,041 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_lock_of_cx88_core [2019-09-08 14:26:24,041 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_lock_of_cx88_core [2019-09-08 14:26:24,041 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_lock_of_cx88_core [2019-09-08 14:26:24,042 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_lock_of_cx88_core [2019-09-08 14:26:24,042 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_lock_of_v4l2_ctrl_handler [2019-09-08 14:26:24,042 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_lock_of_v4l2_ctrl_handler [2019-09-08 14:26:24,042 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_lock_of_v4l2_ctrl_handler [2019-09-08 14:26:24,042 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_lock_of_v4l2_ctrl_handler [2019-09-08 14:26:24,042 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_lock_of_v4l2_ctrl_handler [2019-09-08 14:26:24,042 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_mutex_of_device [2019-09-08 14:26:24,042 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_mutex_of_device [2019-09-08 14:26:24,043 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2019-09-08 14:26:24,043 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_mutex_of_device [2019-09-08 14:26:24,043 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_pm_mutex [2019-09-08 14:26:24,043 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_pm_mutex [2019-09-08 14:26:24,043 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_pm_mutex [2019-09-08 14:26:24,043 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_pm_mutex [2019-09-08 14:26:24,043 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_pm_mutex [2019-09-08 14:26:24,043 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_vb_lock_of_videobuf_queue [2019-09-08 14:26:24,044 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_vb_lock_of_videobuf_queue [2019-09-08 14:26:24,044 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_vb_lock_of_videobuf_queue [2019-09-08 14:26:24,044 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_vb_lock_of_videobuf_queue [2019-09-08 14:26:24,044 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_vb_lock_of_videobuf_queue [2019-09-08 14:26:24,044 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-09-08 14:26:24,044 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-09-08 14:26:24,044 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-08 14:26:24,044 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-09-08 14:26:24,045 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-08 14:26:24,045 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-08 14:26:24,045 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-09-08 14:26:24,045 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-08 14:27:38,888 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-08 14:27:38,889 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-08 14:27:38,892 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.09 02:27:38 BoogieIcfgContainer [2019-09-08 14:27:38,892 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-08 14:27:38,894 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-08 14:27:38,894 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-08 14:27:38,898 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-08 14:27:38,898 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.09 02:26:19" (1/3) ... [2019-09-08 14:27:38,899 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ad2bb5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.09 02:27:38, skipping insertion in model container [2019-09-08 14:27:38,900 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 02:26:23" (2/3) ... [2019-09-08 14:27:38,900 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ad2bb5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.09 02:27:38, skipping insertion in model container [2019-09-08 14:27:38,900 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.09 02:27:38" (3/3) ... [2019-09-08 14:27:38,903 INFO L109 eAbstractionObserver]: Analyzing ICFG m0_drivers-media-video-cx88-cx88-dvb-ko--32_7a--d47b389.i [2019-09-08 14:27:38,913 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-08 14:27:38,927 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-08 14:27:38,946 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-08 14:27:39,001 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2019-09-08 14:27:39,001 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-08 14:27:39,001 INFO L378 AbstractCegarLoop]: Hoare is true [2019-09-08 14:27:39,001 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-08 14:27:39,002 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-08 14:27:39,002 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-08 14:27:39,002 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-08 14:27:39,002 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-08 14:27:39,002 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-08 14:27:39,062 INFO L276 IsEmpty]: Start isEmpty. Operand 2362 states. [2019-09-08 14:27:39,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2019-09-08 14:27:39,069 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 14:27:39,070 INFO L399 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] [2019-09-08 14:27:39,072 INFO L418 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 14:27:39,079 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 14:27:39,080 INFO L82 PathProgramCache]: Analyzing trace with hash 248979775, now seen corresponding path program 1 times [2019-09-08 14:27:39,082 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 14:27:39,082 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 14:27:39,236 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 14:27:39,237 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 14:27:39,237 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 14:27:40,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 14:27:40,731 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-08 14:27:40,734 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 14:27:40,734 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-08 14:27:40,738 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-08 14:27:40,752 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-08 14:27:40,753 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 14:27:40,755 INFO L87 Difference]: Start difference. First operand 2362 states. Second operand 3 states. [2019-09-08 14:28:10,049 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 14:28:10,049 INFO L93 Difference]: Finished difference Result 5881 states and 8903 transitions. [2019-09-08 14:28:10,050 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-08 14:28:10,051 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 28 [2019-09-08 14:28:10,052 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 14:28:10,097 INFO L225 Difference]: With dead ends: 5881 [2019-09-08 14:28:10,097 INFO L226 Difference]: Without dead ends: 3833 [2019-09-08 14:28:10,114 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 14:28:10,143 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3833 states. [2019-09-08 14:28:10,505 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3833 to 3830. [2019-09-08 14:28:10,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3830 states. [2019-09-08 14:28:10,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3830 states to 3830 states and 5768 transitions. [2019-09-08 14:28:10,536 INFO L78 Accepts]: Start accepts. Automaton has 3830 states and 5768 transitions. Word has length 28 [2019-09-08 14:28:10,537 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 14:28:10,537 INFO L475 AbstractCegarLoop]: Abstraction has 3830 states and 5768 transitions. [2019-09-08 14:28:10,537 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-08 14:28:10,538 INFO L276 IsEmpty]: Start isEmpty. Operand 3830 states and 5768 transitions. [2019-09-08 14:28:10,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2019-09-08 14:28:10,539 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 14:28:10,540 INFO L399 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, 1] [2019-09-08 14:28:10,540 INFO L418 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 14:28:10,540 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 14:28:10,540 INFO L82 PathProgramCache]: Analyzing trace with hash -872861909, now seen corresponding path program 1 times [2019-09-08 14:28:10,541 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 14:28:10,541 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 14:28:10,553 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 14:28:10,554 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 14:28:10,554 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 14:28:10,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 14:28:11,461 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-08 14:28:11,462 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 14:28:11,462 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-08 14:28:11,464 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-08 14:28:11,465 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-08 14:28:11,466 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 14:28:11,466 INFO L87 Difference]: Start difference. First operand 3830 states and 5768 transitions. Second operand 3 states. [2019-09-08 14:28:43,846 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 14:28:43,847 INFO L93 Difference]: Finished difference Result 3832 states and 5769 transitions. [2019-09-08 14:28:43,847 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-08 14:28:43,848 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 29 [2019-09-08 14:28:43,848 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 14:28:43,880 INFO L225 Difference]: With dead ends: 3832 [2019-09-08 14:28:43,880 INFO L226 Difference]: Without dead ends: 3829 [2019-09-08 14:28:43,885 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 14:28:43,894 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3829 states. [2019-09-08 14:28:44,205 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3829 to 3829. [2019-09-08 14:28:44,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3829 states. [2019-09-08 14:28:44,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3829 states to 3829 states and 5766 transitions. [2019-09-08 14:28:44,242 INFO L78 Accepts]: Start accepts. Automaton has 3829 states and 5766 transitions. Word has length 29 [2019-09-08 14:28:44,243 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 14:28:44,243 INFO L475 AbstractCegarLoop]: Abstraction has 3829 states and 5766 transitions. [2019-09-08 14:28:44,243 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-08 14:28:44,244 INFO L276 IsEmpty]: Start isEmpty. Operand 3829 states and 5766 transitions. [2019-09-08 14:28:44,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2019-09-08 14:28:44,245 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 14:28:44,245 INFO L399 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, 1, 1] [2019-09-08 14:28:44,246 INFO L418 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 14:28:44,246 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 14:28:44,246 INFO L82 PathProgramCache]: Analyzing trace with hash -1290210878, now seen corresponding path program 1 times [2019-09-08 14:28:44,246 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 14:28:44,247 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 14:28:44,263 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 14:28:44,263 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 14:28:44,264 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 14:28:44,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 14:28:44,990 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-08 14:28:44,991 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 14:28:44,991 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-08 14:28:44,992 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-08 14:28:44,992 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-08 14:28:44,992 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 14:28:44,993 INFO L87 Difference]: Start difference. First operand 3829 states and 5766 transitions. Second operand 3 states. [2019-09-08 14:29:17,982 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 14:29:17,982 INFO L93 Difference]: Finished difference Result 3831 states and 5767 transitions. [2019-09-08 14:29:17,983 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-08 14:29:17,983 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 30 [2019-09-08 14:29:17,984 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 14:29:18,036 INFO L225 Difference]: With dead ends: 3831 [2019-09-08 14:29:18,036 INFO L226 Difference]: Without dead ends: 3828 [2019-09-08 14:29:18,042 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 14:29:18,052 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3828 states. [2019-09-08 14:29:18,504 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3828 to 3828. [2019-09-08 14:29:18,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3828 states. [2019-09-08 14:29:18,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3828 states to 3828 states and 5764 transitions. [2019-09-08 14:29:18,531 INFO L78 Accepts]: Start accepts. Automaton has 3828 states and 5764 transitions. Word has length 30 [2019-09-08 14:29:18,531 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 14:29:18,531 INFO L475 AbstractCegarLoop]: Abstraction has 3828 states and 5764 transitions. [2019-09-08 14:29:18,531 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-08 14:29:18,531 INFO L276 IsEmpty]: Start isEmpty. Operand 3828 states and 5764 transitions. [2019-09-08 14:29:18,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2019-09-08 14:29:18,533 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 14:29:18,533 INFO L399 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, 1, 1, 1] [2019-09-08 14:29:18,533 INFO L418 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 14:29:18,534 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 14:29:18,534 INFO L82 PathProgramCache]: Analyzing trace with hash -1343122162, now seen corresponding path program 1 times [2019-09-08 14:29:18,534 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 14:29:18,534 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 14:29:18,547 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 14:29:18,548 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 14:29:18,548 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 14:29:18,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 14:29:19,365 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-08 14:29:19,365 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 14:29:19,365 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-08 14:29:19,366 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-08 14:29:19,366 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-08 14:29:19,367 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 14:29:19,367 INFO L87 Difference]: Start difference. First operand 3828 states and 5764 transitions. Second operand 3 states. [2019-09-08 14:29:51,561 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 14:29:51,562 INFO L93 Difference]: Finished difference Result 3830 states and 5765 transitions. [2019-09-08 14:29:51,562 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-08 14:29:51,563 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 31 [2019-09-08 14:29:51,563 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 14:29:51,596 INFO L225 Difference]: With dead ends: 3830 [2019-09-08 14:29:51,596 INFO L226 Difference]: Without dead ends: 3827 [2019-09-08 14:29:51,600 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 14:29:51,611 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3827 states. [2019-09-08 14:29:51,911 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3827 to 3827. [2019-09-08 14:29:51,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3827 states. [2019-09-08 14:29:51,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3827 states to 3827 states and 5762 transitions. [2019-09-08 14:29:51,933 INFO L78 Accepts]: Start accepts. Automaton has 3827 states and 5762 transitions. Word has length 31 [2019-09-08 14:29:51,933 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 14:29:51,933 INFO L475 AbstractCegarLoop]: Abstraction has 3827 states and 5762 transitions. [2019-09-08 14:29:51,933 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-08 14:29:51,933 INFO L276 IsEmpty]: Start isEmpty. Operand 3827 states and 5762 transitions. [2019-09-08 14:29:51,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-09-08 14:29:51,937 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 14:29:51,937 INFO L399 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, 1, 1, 1, 1] [2019-09-08 14:29:51,937 INFO L418 AbstractCegarLoop]: === Iteration 5 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 14:29:51,938 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 14:29:51,938 INFO L82 PathProgramCache]: Analyzing trace with hash 1311600197, now seen corresponding path program 1 times [2019-09-08 14:29:51,938 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 14:29:51,938 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 14:29:51,953 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 14:29:51,953 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 14:29:51,953 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 14:29:52,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 14:29:52,677 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-08 14:29:52,677 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 14:29:52,677 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-08 14:29:52,678 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-08 14:29:52,678 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-08 14:29:52,679 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 14:29:52,679 INFO L87 Difference]: Start difference. First operand 3827 states and 5762 transitions. Second operand 3 states. [2019-09-08 14:30:21,850 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 14:30:21,850 INFO L93 Difference]: Finished difference Result 3829 states and 5763 transitions. [2019-09-08 14:30:23,075 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-08 14:30:23,075 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 32 [2019-09-08 14:30:23,075 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 14:30:23,108 INFO L225 Difference]: With dead ends: 3829 [2019-09-08 14:30:23,108 INFO L226 Difference]: Without dead ends: 3811 [2019-09-08 14:30:23,112 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 14:30:23,121 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3811 states. [2019-09-08 14:30:23,410 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3811 to 3811. [2019-09-08 14:30:23,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3811 states. [2019-09-08 14:30:23,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3811 states to 3811 states and 5742 transitions. [2019-09-08 14:30:23,432 INFO L78 Accepts]: Start accepts. Automaton has 3811 states and 5742 transitions. Word has length 32 [2019-09-08 14:30:23,433 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 14:30:23,433 INFO L475 AbstractCegarLoop]: Abstraction has 3811 states and 5742 transitions. [2019-09-08 14:30:23,434 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-08 14:30:23,434 INFO L276 IsEmpty]: Start isEmpty. Operand 3811 states and 5742 transitions. [2019-09-08 14:30:23,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2019-09-08 14:30:23,474 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 14:30:23,475 INFO L399 BasicCegarLoop]: trace histogram [4, 4, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 14:30:23,475 INFO L418 AbstractCegarLoop]: === Iteration 6 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 14:30:23,476 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 14:30:23,477 INFO L82 PathProgramCache]: Analyzing trace with hash -1835520665, now seen corresponding path program 1 times [2019-09-08 14:30:23,477 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 14:30:23,477 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 14:30:23,495 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 14:30:23,495 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 14:30:23,495 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 14:30:23,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 14:30:24,561 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2019-09-08 14:30:24,561 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 14:30:24,562 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-08 14:30:24,564 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-08 14:30:24,564 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-08 14:30:24,565 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 14:30:24,565 INFO L87 Difference]: Start difference. First operand 3811 states and 5742 transitions. Second operand 3 states. [2019-09-08 14:30:55,362 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 14:30:55,363 INFO L93 Difference]: Finished difference Result 11389 states and 17347 transitions. [2019-09-08 14:30:55,363 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-08 14:30:55,364 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 181 [2019-09-08 14:30:55,364 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 14:30:55,443 INFO L225 Difference]: With dead ends: 11389 [2019-09-08 14:30:55,444 INFO L226 Difference]: Without dead ends: 7600 [2019-09-08 14:30:55,468 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 14:30:55,482 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7600 states. [2019-09-08 14:30:56,938 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7600 to 7588. [2019-09-08 14:30:56,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7588 states. [2019-09-08 14:30:56,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7588 states to 7588 states and 11500 transitions. [2019-09-08 14:30:56,976 INFO L78 Accepts]: Start accepts. Automaton has 7588 states and 11500 transitions. Word has length 181 [2019-09-08 14:30:56,977 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 14:30:56,977 INFO L475 AbstractCegarLoop]: Abstraction has 7588 states and 11500 transitions. [2019-09-08 14:30:56,977 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-08 14:30:56,978 INFO L276 IsEmpty]: Start isEmpty. Operand 7588 states and 11500 transitions. [2019-09-08 14:30:56,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2019-09-08 14:30:56,997 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 14:30:56,997 INFO L399 BasicCegarLoop]: trace histogram [4, 4, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 14:30:56,998 INFO L418 AbstractCegarLoop]: === Iteration 7 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 14:30:56,998 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 14:30:56,998 INFO L82 PathProgramCache]: Analyzing trace with hash 1512408745, now seen corresponding path program 1 times [2019-09-08 14:30:56,998 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 14:30:56,998 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 14:30:57,011 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 14:30:57,011 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 14:30:57,012 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 14:30:57,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 14:30:58,059 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2019-09-08 14:30:58,060 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 14:30:58,060 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-08 14:30:58,062 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-08 14:30:58,062 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-08 14:30:58,063 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 14:30:58,063 INFO L87 Difference]: Start difference. First operand 7588 states and 11500 transitions. Second operand 3 states. [2019-09-08 14:30:58,387 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 14:30:58,387 INFO L93 Difference]: Finished difference Result 15158 states and 23105 transitions. [2019-09-08 14:30:58,389 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-08 14:30:58,389 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 181 [2019-09-08 14:30:58,391 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 14:30:58,433 INFO L225 Difference]: With dead ends: 15158 [2019-09-08 14:30:58,433 INFO L226 Difference]: Without dead ends: 7592 [2019-09-08 14:30:58,478 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 14:30:58,493 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7592 states. [2019-09-08 14:30:59,064 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7592 to 7592. [2019-09-08 14:30:59,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7592 states. [2019-09-08 14:30:59,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7592 states to 7592 states and 11504 transitions. [2019-09-08 14:30:59,104 INFO L78 Accepts]: Start accepts. Automaton has 7592 states and 11504 transitions. Word has length 181 [2019-09-08 14:30:59,107 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 14:30:59,108 INFO L475 AbstractCegarLoop]: Abstraction has 7592 states and 11504 transitions. [2019-09-08 14:30:59,108 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-08 14:30:59,108 INFO L276 IsEmpty]: Start isEmpty. Operand 7592 states and 11504 transitions. [2019-09-08 14:30:59,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2019-09-08 14:30:59,143 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 14:30:59,143 INFO L399 BasicCegarLoop]: trace histogram [4, 4, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 14:30:59,143 INFO L418 AbstractCegarLoop]: === Iteration 8 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 14:30:59,144 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 14:30:59,144 INFO L82 PathProgramCache]: Analyzing trace with hash 1929715523, now seen corresponding path program 1 times [2019-09-08 14:30:59,144 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 14:30:59,144 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 14:30:59,162 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 14:30:59,162 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 14:30:59,162 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 14:30:59,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 14:31:00,161 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2019-09-08 14:31:00,161 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 14:31:00,162 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-08 14:31:00,163 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-08 14:31:00,163 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-08 14:31:00,164 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 14:31:00,164 INFO L87 Difference]: Start difference. First operand 7592 states and 11504 transitions. Second operand 3 states. [2019-09-08 14:31:30,073 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 14:31:30,074 INFO L93 Difference]: Finished difference Result 11665 states and 17573 transitions. [2019-09-08 14:31:30,074 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-08 14:31:30,074 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 183 [2019-09-08 14:31:30,075 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 14:31:30,103 INFO L225 Difference]: With dead ends: 11665 [2019-09-08 14:31:30,103 INFO L226 Difference]: Without dead ends: 7575 [2019-09-08 14:31:30,124 INFO L628 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 [2019-09-08 14:31:30,134 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7575 states. [2019-09-08 14:31:30,830 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7575 to 7570. [2019-09-08 14:31:30,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7570 states. [2019-09-08 14:31:30,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7570 states to 7570 states and 11419 transitions. [2019-09-08 14:31:30,862 INFO L78 Accepts]: Start accepts. Automaton has 7570 states and 11419 transitions. Word has length 183 [2019-09-08 14:31:30,863 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 14:31:30,864 INFO L475 AbstractCegarLoop]: Abstraction has 7570 states and 11419 transitions. [2019-09-08 14:31:30,864 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-08 14:31:30,864 INFO L276 IsEmpty]: Start isEmpty. Operand 7570 states and 11419 transitions. [2019-09-08 14:31:30,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 285 [2019-09-08 14:31:30,908 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 14:31:30,909 INFO L399 BasicCegarLoop]: trace histogram [7, 7, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 14:31:30,909 INFO L418 AbstractCegarLoop]: === Iteration 9 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 14:31:30,909 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 14:31:30,910 INFO L82 PathProgramCache]: Analyzing trace with hash 1021088302, now seen corresponding path program 1 times [2019-09-08 14:31:30,910 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 14:31:30,910 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 14:31:30,925 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 14:31:30,925 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 14:31:30,926 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 14:31:31,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 14:31:31,917 INFO L134 CoverageAnalysis]: Checked inductivity of 173 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 117 trivial. 0 not checked. [2019-09-08 14:31:31,917 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 14:31:31,918 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-08 14:31:31,918 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-08 14:31:31,918 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-08 14:31:31,919 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 14:31:31,919 INFO L87 Difference]: Start difference. First operand 7570 states and 11419 transitions. Second operand 3 states. [2019-09-08 14:31:53,214 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 14:31:53,215 INFO L93 Difference]: Finished difference Result 7578 states and 11426 transitions. [2019-09-08 14:31:53,215 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-08 14:31:53,215 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 284 [2019-09-08 14:31:53,216 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 14:31:53,230 INFO L225 Difference]: With dead ends: 7578 [2019-09-08 14:31:53,231 INFO L226 Difference]: Without dead ends: 3800 [2019-09-08 14:31:53,249 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 14:31:53,258 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3800 states. [2019-09-08 14:31:53,492 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3800 to 3800. [2019-09-08 14:31:53,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3800 states. [2019-09-08 14:31:53,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3800 states to 3800 states and 5697 transitions. [2019-09-08 14:31:53,507 INFO L78 Accepts]: Start accepts. Automaton has 3800 states and 5697 transitions. Word has length 284 [2019-09-08 14:31:53,509 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 14:31:53,509 INFO L475 AbstractCegarLoop]: Abstraction has 3800 states and 5697 transitions. [2019-09-08 14:31:53,510 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-08 14:31:53,510 INFO L276 IsEmpty]: Start isEmpty. Operand 3800 states and 5697 transitions. [2019-09-08 14:31:53,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 285 [2019-09-08 14:31:53,527 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 14:31:53,528 INFO L399 BasicCegarLoop]: trace histogram [7, 7, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 14:31:53,528 INFO L418 AbstractCegarLoop]: === Iteration 10 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 14:31:53,528 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 14:31:53,529 INFO L82 PathProgramCache]: Analyzing trace with hash -345341330, now seen corresponding path program 1 times [2019-09-08 14:31:53,529 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 14:31:53,529 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 14:31:53,542 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 14:31:53,543 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 14:31:53,543 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 14:31:53,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 14:31:54,542 INFO L134 CoverageAnalysis]: Checked inductivity of 173 backedges. 15 proven. 2 refuted. 0 times theorem prover too weak. 156 trivial. 0 not checked. [2019-09-08 14:31:54,542 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-08 14:31:54,543 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-08 14:31:54,655 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 14:32:17,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2019-09-08 14:32:17,568 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2019-09-08 14:32:17,569 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2019-09-08 14:32:17,569 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-08 14:32:17,570 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-08 14:32:17,570 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-08 14:32:17,570 INFO L87 Difference]: Start difference. First operand 3800 states and 5697 transitions. Second operand 5 states. [2019-09-08 14:32:17,804 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 14:32:17,804 INFO L93 Difference]: Finished difference Result 7592 states and 11407 transitions. [2019-09-08 14:32:17,805 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-09-08 14:32:17,805 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 284 [2019-09-08 14:32:17,805 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 14:32:17,818 INFO L225 Difference]: With dead ends: 7592 [2019-09-08 14:32:17,819 INFO L226 Difference]: Without dead ends: 3814 [2019-09-08 14:32:17,833 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-08 14:32:17,839 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3814 states. [2019-09-08 14:32:18,065 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3814 to 3808. [2019-09-08 14:32:18,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3808 states. [2019-09-08 14:32:18,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3808 states to 3808 states and 5705 transitions. [2019-09-08 14:32:18,078 INFO L78 Accepts]: Start accepts. Automaton has 3808 states and 5705 transitions. Word has length 284 [2019-09-08 14:32:18,079 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 14:32:18,079 INFO L475 AbstractCegarLoop]: Abstraction has 3808 states and 5705 transitions. [2019-09-08 14:32:18,079 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-08 14:32:18,079 INFO L276 IsEmpty]: Start isEmpty. Operand 3808 states and 5705 transitions. [2019-09-08 14:32:18,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 289 [2019-09-08 14:32:18,096 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 14:32:18,097 INFO L399 BasicCegarLoop]: trace histogram [7, 7, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 14:32:18,097 INFO L418 AbstractCegarLoop]: === Iteration 11 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 14:32:18,097 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 14:32:18,098 INFO L82 PathProgramCache]: Analyzing trace with hash 920762682, now seen corresponding path program 1 times [2019-09-08 14:32:18,098 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 14:32:18,098 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 14:32:18,109 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 14:32:18,109 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 14:32:18,109 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 14:32:20,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 14:32:20,915 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2019-09-08 14:32:20,915 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 14:32:20,916 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-09-08 14:32:20,916 INFO L454 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-09-08 14:32:20,916 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-09-08 14:32:20,917 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-09-08 14:32:20,917 INFO L87 Difference]: Start difference. First operand 3808 states and 5705 transitions. Second operand 4 states. [2019-09-08 14:32:22,283 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 14:32:22,284 INFO L93 Difference]: Finished difference Result 7704 states and 11576 transitions. [2019-09-08 14:32:22,284 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-09-08 14:32:22,284 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 288 [2019-09-08 14:32:22,285 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 14:32:22,299 INFO L225 Difference]: With dead ends: 7704 [2019-09-08 14:32:22,300 INFO L226 Difference]: Without dead ends: 3918 [2019-09-08 14:32:22,314 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-09-08 14:32:22,319 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3918 states. [2019-09-08 14:32:22,828 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3918 to 3820. [2019-09-08 14:32:22,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3820 states. [2019-09-08 14:32:22,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3820 states to 3820 states and 5723 transitions. [2019-09-08 14:32:22,846 INFO L78 Accepts]: Start accepts. Automaton has 3820 states and 5723 transitions. Word has length 288 [2019-09-08 14:32:22,846 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 14:32:22,846 INFO L475 AbstractCegarLoop]: Abstraction has 3820 states and 5723 transitions. [2019-09-08 14:32:22,847 INFO L476 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-09-08 14:32:22,847 INFO L276 IsEmpty]: Start isEmpty. Operand 3820 states and 5723 transitions. [2019-09-08 14:32:22,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 289 [2019-09-08 14:32:22,872 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 14:32:22,873 INFO L399 BasicCegarLoop]: trace histogram [7, 7, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 14:32:22,873 INFO L418 AbstractCegarLoop]: === Iteration 12 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 14:32:22,873 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 14:32:22,873 INFO L82 PathProgramCache]: Analyzing trace with hash -1106148418, now seen corresponding path program 1 times [2019-09-08 14:32:22,874 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 14:32:22,874 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 14:32:22,888 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 14:32:22,889 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 14:32:22,889 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 14:32:23,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 14:32:23,833 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2019-09-08 14:32:23,834 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 14:32:23,834 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-09-08 14:32:23,835 INFO L454 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-09-08 14:32:23,835 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-09-08 14:32:23,835 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-09-08 14:32:23,835 INFO L87 Difference]: Start difference. First operand 3820 states and 5723 transitions. Second operand 4 states. [2019-09-08 14:32:24,121 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 14:32:24,121 INFO L93 Difference]: Finished difference Result 7674 states and 11527 transitions. [2019-09-08 14:32:24,121 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-09-08 14:32:24,122 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 288 [2019-09-08 14:32:24,122 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 14:32:24,137 INFO L225 Difference]: With dead ends: 7674 [2019-09-08 14:32:24,137 INFO L226 Difference]: Without dead ends: 3874 [2019-09-08 14:32:24,148 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-09-08 14:32:24,153 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3874 states. [2019-09-08 14:32:24,376 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3874 to 3822. [2019-09-08 14:32:24,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3822 states. [2019-09-08 14:32:24,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3822 states to 3822 states and 5723 transitions. [2019-09-08 14:32:24,392 INFO L78 Accepts]: Start accepts. Automaton has 3822 states and 5723 transitions. Word has length 288 [2019-09-08 14:32:24,393 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 14:32:24,393 INFO L475 AbstractCegarLoop]: Abstraction has 3822 states and 5723 transitions. [2019-09-08 14:32:24,393 INFO L476 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-09-08 14:32:24,393 INFO L276 IsEmpty]: Start isEmpty. Operand 3822 states and 5723 transitions. [2019-09-08 14:32:24,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 289 [2019-09-08 14:32:24,417 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 14:32:24,418 INFO L399 BasicCegarLoop]: trace histogram [7, 7, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 14:32:24,418 INFO L418 AbstractCegarLoop]: === Iteration 13 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 14:32:24,418 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 14:32:24,419 INFO L82 PathProgramCache]: Analyzing trace with hash -1869514054, now seen corresponding path program 1 times [2019-09-08 14:32:24,419 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 14:32:24,419 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 14:32:24,432 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 14:32:24,432 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 14:32:24,432 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 14:32:27,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 14:32:28,475 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 140 trivial. 0 not checked. [2019-09-08 14:32:28,476 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 14:32:28,476 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-09-08 14:32:28,477 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-09-08 14:32:28,477 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-09-08 14:32:28,477 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-09-08 14:32:28,477 INFO L87 Difference]: Start difference. First operand 3822 states and 5723 transitions. Second operand 6 states. [2019-09-08 14:33:00,838 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 14:33:00,839 INFO L93 Difference]: Finished difference Result 7672 states and 11518 transitions. [2019-09-08 14:33:00,839 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-09-08 14:33:00,839 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 288 [2019-09-08 14:33:00,840 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 14:33:00,854 INFO L225 Difference]: With dead ends: 7672 [2019-09-08 14:33:00,855 INFO L226 Difference]: Without dead ends: 3872 [2019-09-08 14:33:00,865 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2019-09-08 14:33:00,871 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3872 states. [2019-09-08 14:33:01,090 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3872 to 3858. [2019-09-08 14:33:01,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3858 states. [2019-09-08 14:33:01,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3858 states to 3858 states and 5779 transitions. [2019-09-08 14:33:01,103 INFO L78 Accepts]: Start accepts. Automaton has 3858 states and 5779 transitions. Word has length 288 [2019-09-08 14:33:01,104 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 14:33:01,104 INFO L475 AbstractCegarLoop]: Abstraction has 3858 states and 5779 transitions. [2019-09-08 14:33:01,104 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-09-08 14:33:01,104 INFO L276 IsEmpty]: Start isEmpty. Operand 3858 states and 5779 transitions. [2019-09-08 14:33:01,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 303 [2019-09-08 14:33:01,133 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 14:33:01,133 INFO L399 BasicCegarLoop]: trace histogram [7, 7, 4, 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, 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] [2019-09-08 14:33:01,134 INFO L418 AbstractCegarLoop]: === Iteration 14 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 14:33:01,134 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 14:33:01,134 INFO L82 PathProgramCache]: Analyzing trace with hash 1253904712, now seen corresponding path program 1 times [2019-09-08 14:33:01,134 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 14:33:01,134 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 14:33:01,145 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 14:33:01,145 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 14:33:01,145 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 14:33:04,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 14:33:05,130 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 140 trivial. 0 not checked. [2019-09-08 14:33:05,131 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 14:33:05,131 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-09-08 14:33:05,132 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-09-08 14:33:05,132 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-09-08 14:33:05,132 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-09-08 14:33:05,132 INFO L87 Difference]: Start difference. First operand 3858 states and 5779 transitions. Second operand 6 states. [2019-09-08 14:33:38,700 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 14:33:38,700 INFO L93 Difference]: Finished difference Result 7716 states and 11584 transitions. [2019-09-08 14:33:38,701 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-09-08 14:33:38,701 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 302 [2019-09-08 14:33:38,701 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 14:33:38,718 INFO L225 Difference]: With dead ends: 7716 [2019-09-08 14:33:38,718 INFO L226 Difference]: Without dead ends: 3880 [2019-09-08 14:33:38,730 INFO L628 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 [2019-09-08 14:33:38,736 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3880 states. [2019-09-08 14:33:38,966 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3880 to 3862. [2019-09-08 14:33:38,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3862 states. [2019-09-08 14:33:38,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3862 states to 3862 states and 5783 transitions. [2019-09-08 14:33:38,981 INFO L78 Accepts]: Start accepts. Automaton has 3862 states and 5783 transitions. Word has length 302 [2019-09-08 14:33:38,981 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 14:33:38,982 INFO L475 AbstractCegarLoop]: Abstraction has 3862 states and 5783 transitions. [2019-09-08 14:33:38,982 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-09-08 14:33:38,982 INFO L276 IsEmpty]: Start isEmpty. Operand 3862 states and 5783 transitions. [2019-09-08 14:33:39,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 301 [2019-09-08 14:33:39,005 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 14:33:39,006 INFO L399 BasicCegarLoop]: trace histogram [7, 7, 4, 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, 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] [2019-09-08 14:33:39,006 INFO L418 AbstractCegarLoop]: === Iteration 15 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 14:33:39,006 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 14:33:39,007 INFO L82 PathProgramCache]: Analyzing trace with hash -2032341904, now seen corresponding path program 1 times [2019-09-08 14:33:39,007 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 14:33:39,007 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 14:33:39,018 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 14:33:39,019 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 14:33:39,019 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 14:33:41,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 14:33:42,487 INFO L134 CoverageAnalysis]: Checked inductivity of 181 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 143 trivial. 0 not checked. [2019-09-08 14:33:42,488 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 14:33:42,488 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-08 14:33:42,489 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-08 14:33:42,490 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-08 14:33:42,490 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-08 14:33:42,490 INFO L87 Difference]: Start difference. First operand 3862 states and 5783 transitions. Second operand 5 states. [2019-09-08 14:34:23,973 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 14:34:23,973 INFO L93 Difference]: Finished difference Result 7724 states and 11590 transitions. [2019-09-08 14:34:23,973 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-09-08 14:34:23,974 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 300 [2019-09-08 14:34:23,974 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 14:34:23,990 INFO L225 Difference]: With dead ends: 7724 [2019-09-08 14:34:23,990 INFO L226 Difference]: Without dead ends: 3884 [2019-09-08 14:34:24,000 INFO L628 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 [2019-09-08 14:34:24,006 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3884 states. [2019-09-08 14:34:24,246 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3884 to 3862. [2019-09-08 14:34:24,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3862 states. [2019-09-08 14:34:24,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3862 states to 3862 states and 5783 transitions. [2019-09-08 14:34:24,260 INFO L78 Accepts]: Start accepts. Automaton has 3862 states and 5783 transitions. Word has length 300 [2019-09-08 14:34:24,261 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 14:34:24,261 INFO L475 AbstractCegarLoop]: Abstraction has 3862 states and 5783 transitions. [2019-09-08 14:34:24,262 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-08 14:34:24,262 INFO L276 IsEmpty]: Start isEmpty. Operand 3862 states and 5783 transitions. [2019-09-08 14:34:24,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 315 [2019-09-08 14:34:24,276 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 14:34:24,276 INFO L399 BasicCegarLoop]: trace histogram [7, 7, 4, 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, 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] [2019-09-08 14:34:24,277 INFO L418 AbstractCegarLoop]: === Iteration 16 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 14:34:24,277 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 14:34:24,277 INFO L82 PathProgramCache]: Analyzing trace with hash 1954258152, now seen corresponding path program 1 times [2019-09-08 14:34:24,277 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 14:34:24,277 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 14:34:24,288 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 14:34:24,288 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 14:34:24,288 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 14:34:26,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 14:34:27,431 INFO L134 CoverageAnalysis]: Checked inductivity of 188 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 160 trivial. 0 not checked. [2019-09-08 14:34:27,433 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 14:34:27,433 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-08 14:34:27,434 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-08 14:34:27,434 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-08 14:34:27,434 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-08 14:34:27,435 INFO L87 Difference]: Start difference. First operand 3862 states and 5783 transitions. Second operand 5 states. [2019-09-08 14:35:07,547 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 14:35:07,547 INFO L93 Difference]: Finished difference Result 7724 states and 11590 transitions. [2019-09-08 14:35:07,548 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-09-08 14:35:07,548 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 314 [2019-09-08 14:35:07,548 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 14:35:07,566 INFO L225 Difference]: With dead ends: 7724 [2019-09-08 14:35:07,567 INFO L226 Difference]: Without dead ends: 3884 [2019-09-08 14:35:07,577 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-09-08 14:35:07,582 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3884 states. [2019-09-08 14:35:07,807 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3884 to 3862. [2019-09-08 14:35:07,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3862 states. [2019-09-08 14:35:07,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3862 states to 3862 states and 5783 transitions. [2019-09-08 14:35:07,823 INFO L78 Accepts]: Start accepts. Automaton has 3862 states and 5783 transitions. Word has length 314 [2019-09-08 14:35:07,824 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 14:35:07,824 INFO L475 AbstractCegarLoop]: Abstraction has 3862 states and 5783 transitions. [2019-09-08 14:35:07,824 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-08 14:35:07,824 INFO L276 IsEmpty]: Start isEmpty. Operand 3862 states and 5783 transitions. [2019-09-08 14:35:07,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 321 [2019-09-08 14:35:07,839 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 14:35:07,839 INFO L399 BasicCegarLoop]: trace histogram [7, 7, 4, 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, 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] [2019-09-08 14:35:07,840 INFO L418 AbstractCegarLoop]: === Iteration 17 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 14:35:07,840 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 14:35:07,840 INFO L82 PathProgramCache]: Analyzing trace with hash 1276006654, now seen corresponding path program 1 times [2019-09-08 14:35:07,840 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 14:35:07,840 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 14:35:07,855 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 14:35:07,855 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 14:35:07,855 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 14:35:08,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 14:35:08,493 INFO L134 CoverageAnalysis]: Checked inductivity of 191 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 160 trivial. 0 not checked. [2019-09-08 14:35:08,494 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 14:35:08,494 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-08 14:35:08,494 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-08 14:35:08,495 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-08 14:35:08,495 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 14:35:08,495 INFO L87 Difference]: Start difference. First operand 3862 states and 5783 transitions. Second operand 3 states. [2019-09-08 14:35:08,902 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 14:35:08,902 INFO L93 Difference]: Finished difference Result 7774 states and 11670 transitions. [2019-09-08 14:35:08,903 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-08 14:35:08,903 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 320 [2019-09-08 14:35:08,903 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 14:35:08,916 INFO L225 Difference]: With dead ends: 7774 [2019-09-08 14:35:08,916 INFO L226 Difference]: Without dead ends: 3934 [2019-09-08 14:35:08,929 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 14:35:08,935 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3934 states. [2019-09-08 14:35:09,290 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3934 to 3924. [2019-09-08 14:35:09,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3924 states. [2019-09-08 14:35:09,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3924 states to 3924 states and 5843 transitions. [2019-09-08 14:35:09,303 INFO L78 Accepts]: Start accepts. Automaton has 3924 states and 5843 transitions. Word has length 320 [2019-09-08 14:35:09,303 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 14:35:09,303 INFO L475 AbstractCegarLoop]: Abstraction has 3924 states and 5843 transitions. [2019-09-08 14:35:09,303 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-08 14:35:09,304 INFO L276 IsEmpty]: Start isEmpty. Operand 3924 states and 5843 transitions. [2019-09-08 14:35:09,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 321 [2019-09-08 14:35:09,315 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 14:35:09,315 INFO L399 BasicCegarLoop]: trace histogram [7, 7, 4, 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, 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] [2019-09-08 14:35:09,315 INFO L418 AbstractCegarLoop]: === Iteration 18 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 14:35:09,316 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 14:35:09,316 INFO L82 PathProgramCache]: Analyzing trace with hash -1423113590, now seen corresponding path program 1 times [2019-09-08 14:35:09,316 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 14:35:09,316 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 14:35:09,325 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 14:35:09,325 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 14:35:09,325 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 14:35:11,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 14:35:11,938 INFO L134 CoverageAnalysis]: Checked inductivity of 191 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 140 trivial. 0 not checked. [2019-09-08 14:35:11,939 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 14:35:11,939 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-09-08 14:35:11,940 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-09-08 14:35:11,940 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-09-08 14:35:11,941 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-09-08 14:35:11,941 INFO L87 Difference]: Start difference. First operand 3924 states and 5843 transitions. Second operand 6 states. [2019-09-08 14:35:50,241 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 14:35:50,241 INFO L93 Difference]: Finished difference Result 7876 states and 11758 transitions. [2019-09-08 14:35:50,242 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-09-08 14:35:50,242 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 320 [2019-09-08 14:35:50,242 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 14:35:50,254 INFO L225 Difference]: With dead ends: 7876 [2019-09-08 14:35:50,255 INFO L226 Difference]: Without dead ends: 3974 [2019-09-08 14:35:50,265 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2019-09-08 14:35:50,271 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3974 states. [2019-09-08 14:35:50,489 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3974 to 3956. [2019-09-08 14:35:50,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3956 states. [2019-09-08 14:35:50,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3956 states to 3956 states and 5895 transitions. [2019-09-08 14:35:50,505 INFO L78 Accepts]: Start accepts. Automaton has 3956 states and 5895 transitions. Word has length 320 [2019-09-08 14:35:50,507 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 14:35:50,507 INFO L475 AbstractCegarLoop]: Abstraction has 3956 states and 5895 transitions. [2019-09-08 14:35:50,507 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-09-08 14:35:50,508 INFO L276 IsEmpty]: Start isEmpty. Operand 3956 states and 5895 transitions. [2019-09-08 14:35:50,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 329 [2019-09-08 14:35:50,519 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 14:35:50,520 INFO L399 BasicCegarLoop]: trace histogram [7, 7, 4, 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, 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] [2019-09-08 14:35:50,520 INFO L418 AbstractCegarLoop]: === Iteration 19 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 14:35:50,520 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 14:35:50,521 INFO L82 PathProgramCache]: Analyzing trace with hash 1192347706, now seen corresponding path program 1 times [2019-09-08 14:35:50,521 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 14:35:50,521 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 14:35:50,530 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 14:35:50,530 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 14:35:50,530 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 14:35:52,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 14:35:53,397 INFO L134 CoverageAnalysis]: Checked inductivity of 195 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 140 trivial. 0 not checked. [2019-09-08 14:35:53,398 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 14:35:53,398 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-09-08 14:35:53,398 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-09-08 14:35:53,399 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-09-08 14:35:53,399 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-09-08 14:35:53,399 INFO L87 Difference]: Start difference. First operand 3956 states and 5895 transitions. Second operand 6 states. [2019-09-08 14:36:32,498 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 14:36:32,499 INFO L93 Difference]: Finished difference Result 7912 states and 11816 transitions. [2019-09-08 14:36:32,499 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-09-08 14:36:32,499 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 328 [2019-09-08 14:36:32,500 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 14:36:32,510 INFO L225 Difference]: With dead ends: 7912 [2019-09-08 14:36:32,511 INFO L226 Difference]: Without dead ends: 3978 [2019-09-08 14:36:32,518 INFO L628 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 [2019-09-08 14:36:32,523 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3978 states. [2019-09-08 14:36:32,704 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3978 to 3960. [2019-09-08 14:36:32,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3960 states. [2019-09-08 14:36:32,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3960 states to 3960 states and 5899 transitions. [2019-09-08 14:36:32,716 INFO L78 Accepts]: Start accepts. Automaton has 3960 states and 5899 transitions. Word has length 328 [2019-09-08 14:36:32,717 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 14:36:32,717 INFO L475 AbstractCegarLoop]: Abstraction has 3960 states and 5899 transitions. [2019-09-08 14:36:32,717 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-09-08 14:36:32,717 INFO L276 IsEmpty]: Start isEmpty. Operand 3960 states and 5899 transitions. [2019-09-08 14:36:32,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 333 [2019-09-08 14:36:32,729 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 14:36:32,729 INFO L399 BasicCegarLoop]: trace histogram [7, 7, 4, 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, 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] [2019-09-08 14:36:32,729 INFO L418 AbstractCegarLoop]: === Iteration 20 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 14:36:32,730 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 14:36:32,730 INFO L82 PathProgramCache]: Analyzing trace with hash -604617984, now seen corresponding path program 1 times [2019-09-08 14:36:32,730 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 14:36:32,730 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 14:36:32,739 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 14:36:32,739 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 14:36:32,739 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 14:36:34,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 14:36:35,300 INFO L134 CoverageAnalysis]: Checked inductivity of 197 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 143 trivial. 0 not checked. [2019-09-08 14:36:35,300 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 14:36:35,301 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-08 14:36:35,301 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-08 14:36:35,302 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-08 14:36:35,302 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-08 14:36:35,302 INFO L87 Difference]: Start difference. First operand 3960 states and 5899 transitions. Second operand 5 states. [2019-09-08 14:37:16,441 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 14:37:16,441 INFO L93 Difference]: Finished difference Result 7920 states and 11822 transitions. [2019-09-08 14:37:16,442 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-09-08 14:37:16,442 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 332 [2019-09-08 14:37:16,443 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 14:37:16,453 INFO L225 Difference]: With dead ends: 7920 [2019-09-08 14:37:16,453 INFO L226 Difference]: Without dead ends: 3982 [2019-09-08 14:37:16,460 INFO L628 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 [2019-09-08 14:37:16,466 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3982 states. [2019-09-08 14:37:16,619 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3982 to 3960. [2019-09-08 14:37:16,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3960 states. [2019-09-08 14:37:16,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3960 states to 3960 states and 5899 transitions. [2019-09-08 14:37:16,635 INFO L78 Accepts]: Start accepts. Automaton has 3960 states and 5899 transitions. Word has length 332 [2019-09-08 14:37:16,636 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 14:37:16,636 INFO L475 AbstractCegarLoop]: Abstraction has 3960 states and 5899 transitions. [2019-09-08 14:37:16,636 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-08 14:37:16,636 INFO L276 IsEmpty]: Start isEmpty. Operand 3960 states and 5899 transitions. [2019-09-08 14:37:16,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 349 [2019-09-08 14:37:16,648 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 14:37:16,648 INFO L399 BasicCegarLoop]: trace histogram [11, 11, 8, 8, 8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2019-09-08 14:37:16,649 INFO L418 AbstractCegarLoop]: === Iteration 21 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 14:37:16,649 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 14:37:16,649 INFO L82 PathProgramCache]: Analyzing trace with hash 1198320388, now seen corresponding path program 1 times [2019-09-08 14:37:16,649 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 14:37:16,649 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 14:37:16,658 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 14:37:16,659 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 14:37:16,659 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 14:37:18,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 14:37:18,994 INFO L134 CoverageAnalysis]: Checked inductivity of 401 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 366 trivial. 0 not checked. [2019-09-08 14:37:18,995 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 14:37:18,995 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-08 14:37:18,995 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-08 14:37:18,995 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-08 14:37:18,996 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 14:37:18,996 INFO L87 Difference]: Start difference. First operand 3960 states and 5899 transitions. Second operand 3 states. [2019-09-08 14:37:19,103 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 14:37:19,103 INFO L93 Difference]: Finished difference Result 7912 states and 11816 transitions. [2019-09-08 14:37:19,103 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-08 14:37:19,103 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 348 [2019-09-08 14:37:19,104 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 14:37:19,112 INFO L225 Difference]: With dead ends: 7912 [2019-09-08 14:37:19,112 INFO L226 Difference]: Without dead ends: 3974 [2019-09-08 14:37:19,119 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 14:37:19,123 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3974 states. [2019-09-08 14:37:19,278 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3974 to 3962. [2019-09-08 14:37:19,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3962 states. [2019-09-08 14:37:19,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3962 states to 3962 states and 5901 transitions. [2019-09-08 14:37:19,288 INFO L78 Accepts]: Start accepts. Automaton has 3962 states and 5901 transitions. Word has length 348 [2019-09-08 14:37:19,288 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 14:37:19,288 INFO L475 AbstractCegarLoop]: Abstraction has 3962 states and 5901 transitions. [2019-09-08 14:37:19,288 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-08 14:37:19,288 INFO L276 IsEmpty]: Start isEmpty. Operand 3962 states and 5901 transitions. [2019-09-08 14:37:19,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 341 [2019-09-08 14:37:19,299 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 14:37:19,299 INFO L399 BasicCegarLoop]: trace histogram [7, 7, 4, 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, 2, 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] [2019-09-08 14:37:19,299 INFO L418 AbstractCegarLoop]: === Iteration 22 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 14:37:19,300 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 14:37:19,300 INFO L82 PathProgramCache]: Analyzing trace with hash 2095543536, now seen corresponding path program 1 times [2019-09-08 14:37:19,300 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 14:37:19,300 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 14:37:19,308 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 14:37:19,308 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 14:37:19,308 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 14:37:21,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 14:37:21,482 INFO L134 CoverageAnalysis]: Checked inductivity of 201 backedges. 58 proven. 0 refuted. 0 times theorem prover too weak. 143 trivial. 0 not checked. [2019-09-08 14:37:21,483 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 14:37:21,483 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-08 14:37:21,483 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-08 14:37:21,484 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-08 14:37:21,484 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-08 14:37:21,484 INFO L87 Difference]: Start difference. First operand 3962 states and 5901 transitions. Second operand 5 states. [2019-09-08 14:38:03,597 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 14:38:03,598 INFO L93 Difference]: Finished difference Result 7924 states and 11826 transitions. [2019-09-08 14:38:03,598 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-09-08 14:38:03,598 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 340 [2019-09-08 14:38:03,603 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 14:38:03,620 INFO L225 Difference]: With dead ends: 7924 [2019-09-08 14:38:03,620 INFO L226 Difference]: Without dead ends: 3984 [2019-09-08 14:38:03,733 INFO L628 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 [2019-09-08 14:38:03,737 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3984 states. [2019-09-08 14:38:03,886 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3984 to 3962. [2019-09-08 14:38:03,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3962 states. [2019-09-08 14:38:03,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3962 states to 3962 states and 5901 transitions. [2019-09-08 14:38:03,895 INFO L78 Accepts]: Start accepts. Automaton has 3962 states and 5901 transitions. Word has length 340 [2019-09-08 14:38:03,895 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 14:38:03,896 INFO L475 AbstractCegarLoop]: Abstraction has 3962 states and 5901 transitions. [2019-09-08 14:38:03,896 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-08 14:38:03,896 INFO L276 IsEmpty]: Start isEmpty. Operand 3962 states and 5901 transitions. [2019-09-08 14:38:03,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 339 [2019-09-08 14:38:03,907 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 14:38:03,908 INFO L399 BasicCegarLoop]: trace histogram [7, 7, 4, 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, 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] [2019-09-08 14:38:03,908 INFO L418 AbstractCegarLoop]: === Iteration 23 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 14:38:03,908 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 14:38:03,908 INFO L82 PathProgramCache]: Analyzing trace with hash -1236937784, now seen corresponding path program 1 times [2019-09-08 14:38:03,909 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 14:38:03,909 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 14:38:03,917 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 14:38:03,918 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 14:38:03,918 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 14:38:06,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 14:38:06,761 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 140 trivial. 0 not checked. [2019-09-08 14:38:06,761 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 14:38:06,761 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-09-08 14:38:06,762 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-09-08 14:38:06,762 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-09-08 14:38:06,762 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-09-08 14:38:06,763 INFO L87 Difference]: Start difference. First operand 3962 states and 5901 transitions. Second operand 6 states. [2019-09-08 14:38:41,868 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 14:38:41,869 INFO L93 Difference]: Finished difference Result 7924 states and 11828 transitions. [2019-09-08 14:38:41,869 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-09-08 14:38:41,869 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 338 [2019-09-08 14:38:41,870 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 14:38:41,881 INFO L225 Difference]: With dead ends: 7924 [2019-09-08 14:38:41,882 INFO L226 Difference]: Without dead ends: 3984 [2019-09-08 14:38:41,889 INFO L628 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 [2019-09-08 14:38:41,894 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3984 states. [2019-09-08 14:38:42,091 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3984 to 3966. [2019-09-08 14:38:42,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3966 states. [2019-09-08 14:38:42,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3966 states to 3966 states and 5905 transitions. [2019-09-08 14:38:42,107 INFO L78 Accepts]: Start accepts. Automaton has 3966 states and 5905 transitions. Word has length 338 [2019-09-08 14:38:42,108 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 14:38:42,108 INFO L475 AbstractCegarLoop]: Abstraction has 3966 states and 5905 transitions. [2019-09-08 14:38:42,108 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-09-08 14:38:42,108 INFO L276 IsEmpty]: Start isEmpty. Operand 3966 states and 5905 transitions. [2019-09-08 14:38:42,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 341 [2019-09-08 14:38:42,122 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 14:38:42,123 INFO L399 BasicCegarLoop]: trace histogram [7, 7, 4, 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, 2, 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] [2019-09-08 14:38:42,123 INFO L418 AbstractCegarLoop]: === Iteration 24 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 14:38:42,123 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 14:38:42,124 INFO L82 PathProgramCache]: Analyzing trace with hash 1983005216, now seen corresponding path program 1 times [2019-09-08 14:38:42,124 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 14:38:42,124 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 14:38:42,135 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 14:38:42,136 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 14:38:42,136 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 14:38:43,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 14:38:44,333 INFO L134 CoverageAnalysis]: Checked inductivity of 201 backedges. 61 proven. 0 refuted. 0 times theorem prover too weak. 140 trivial. 0 not checked. [2019-09-08 14:38:44,333 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 14:38:44,333 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-09-08 14:38:44,335 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-09-08 14:38:44,335 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-09-08 14:38:44,336 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-09-08 14:38:44,336 INFO L87 Difference]: Start difference. First operand 3966 states and 5905 transitions. Second operand 6 states. [2019-09-08 14:39:26,796 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 14:39:26,796 INFO L93 Difference]: Finished difference Result 7932 states and 11836 transitions. [2019-09-08 14:39:26,797 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-09-08 14:39:26,798 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 340 [2019-09-08 14:39:26,798 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 14:39:26,810 INFO L225 Difference]: With dead ends: 7932 [2019-09-08 14:39:26,810 INFO L226 Difference]: Without dead ends: 3988 [2019-09-08 14:39:26,820 INFO L628 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 [2019-09-08 14:39:26,825 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3988 states. [2019-09-08 14:39:27,046 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3988 to 3970. [2019-09-08 14:39:27,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3970 states. [2019-09-08 14:39:27,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3970 states to 3970 states and 5909 transitions. [2019-09-08 14:39:27,061 INFO L78 Accepts]: Start accepts. Automaton has 3970 states and 5909 transitions. Word has length 340 [2019-09-08 14:39:27,062 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 14:39:27,062 INFO L475 AbstractCegarLoop]: Abstraction has 3970 states and 5909 transitions. [2019-09-08 14:39:27,062 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-09-08 14:39:27,062 INFO L276 IsEmpty]: Start isEmpty. Operand 3970 states and 5909 transitions. [2019-09-08 14:39:27,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 343 [2019-09-08 14:39:27,074 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 14:39:27,074 INFO L399 BasicCegarLoop]: trace histogram [7, 7, 4, 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, 2, 2, 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] [2019-09-08 14:39:27,075 INFO L418 AbstractCegarLoop]: === Iteration 25 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 14:39:27,075 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 14:39:27,075 INFO L82 PathProgramCache]: Analyzing trace with hash 555245416, now seen corresponding path program 1 times [2019-09-08 14:39:27,075 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 14:39:27,075 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 14:39:27,085 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 14:39:27,085 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 14:39:27,085 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 14:39:29,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 14:39:29,648 INFO L134 CoverageAnalysis]: Checked inductivity of 202 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 140 trivial. 0 not checked. [2019-09-08 14:39:29,649 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 14:39:29,649 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-09-08 14:39:29,650 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-09-08 14:39:29,651 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-09-08 14:39:29,651 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-09-08 14:39:29,651 INFO L87 Difference]: Start difference. First operand 3970 states and 5909 transitions. Second operand 6 states.