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 0.1.24-673a906-m [2019-10-02 03:38:32,391 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-02 03:38:32,394 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-02 03:38:32,412 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-02 03:38:32,412 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-02 03:38:32,413 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-02 03:38:32,415 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-02 03:38:32,417 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-02 03:38:32,418 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-02 03:38:32,419 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-02 03:38:32,420 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-02 03:38:32,421 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-02 03:38:32,421 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-02 03:38:32,422 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-02 03:38:32,423 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-02 03:38:32,424 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-02 03:38:32,425 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-02 03:38:32,426 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-02 03:38:32,428 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-02 03:38:32,430 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-02 03:38:32,432 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-02 03:38:32,433 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-02 03:38:32,434 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-02 03:38:32,435 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-02 03:38:32,437 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-02 03:38:32,438 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-02 03:38:32,438 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-02 03:38:32,439 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-02 03:38:32,439 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-02 03:38:32,440 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-02 03:38:32,441 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-02 03:38:32,441 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-02 03:38:32,442 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-02 03:38:32,443 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-02 03:38:32,444 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-02 03:38:32,444 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-02 03:38:32,445 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-02 03:38:32,445 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-02 03:38:32,445 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-02 03:38:32,446 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-02 03:38:32,447 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-02 03:38:32,448 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-02 03:38:32,463 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-02 03:38:32,463 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-02 03:38:32,464 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-02 03:38:32,465 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-02 03:38:32,465 INFO L138 SettingsManager]: * Use SBE=true [2019-10-02 03:38:32,465 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-02 03:38:32,465 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-02 03:38:32,466 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-02 03:38:32,466 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-02 03:38:32,466 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-02 03:38:32,466 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-02 03:38:32,466 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-02 03:38:32,467 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-02 03:38:32,467 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-02 03:38:32,467 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-02 03:38:32,467 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-02 03:38:32,467 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-02 03:38:32,468 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-02 03:38:32,468 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-02 03:38:32,468 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-02 03:38:32,468 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-02 03:38:32,468 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-02 03:38:32,469 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-02 03:38:32,469 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-02 03:38:32,469 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-02 03:38:32,469 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-02 03:38:32,470 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-02 03:38:32,470 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-02 03:38:32,470 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-02 03:38:32,516 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-02 03:38:32,532 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-02 03:38:32,538 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-02 03:38:32,540 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-02 03:38:32,540 INFO L275 PluginConnector]: CDTParser initialized [2019-10-02 03:38:32,541 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-commit-tester/m0_drivers-media-video-cx88-cx88-dvb-ko--32_7a--d47b389.i [2019-10-02 03:38:32,616 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/35772d304/3ca7f060b7d6494ca64b745de7043c11/FLAGea4a75b3a [2019-10-02 03:38:33,550 INFO L306 CDTParser]: Found 1 translation units. [2019-10-02 03:38:33,552 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-commit-tester/m0_drivers-media-video-cx88-cx88-dvb-ko--32_7a--d47b389.i [2019-10-02 03:38:33,614 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/35772d304/3ca7f060b7d6494ca64b745de7043c11/FLAGea4a75b3a [2019-10-02 03:38:33,980 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/35772d304/3ca7f060b7d6494ca64b745de7043c11 [2019-10-02 03:38:33,990 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-02 03:38:33,991 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-02 03:38:33,992 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-02 03:38:33,992 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-02 03:38:33,996 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-02 03:38:33,997 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.10 03:38:33" (1/1) ... [2019-10-02 03:38:34,000 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@43a9919f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 03:38:33, skipping insertion in model container [2019-10-02 03:38:34,000 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.10 03:38:33" (1/1) ... [2019-10-02 03:38:34,008 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-02 03:38:34,182 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-02 03:38:36,201 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-02 03:38:36,269 INFO L188 MainTranslator]: Completed pre-run [2019-10-02 03:38:36,878 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-02 03:38:37,041 INFO L192 MainTranslator]: Completed translation [2019-10-02 03:38:37,042 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 03:38:37 WrapperNode [2019-10-02 03:38:37,042 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-02 03:38:37,043 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-02 03:38:37,043 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-02 03:38:37,043 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-02 03:38:37,057 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 03:38:37" (1/1) ... [2019-10-02 03:38:37,058 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 03:38:37" (1/1) ... [2019-10-02 03:38:37,150 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 03:38:37" (1/1) ... [2019-10-02 03:38:37,151 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 03:38:37" (1/1) ... [2019-10-02 03:38:37,427 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 03:38:37" (1/1) ... [2019-10-02 03:38:37,470 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 03:38:37" (1/1) ... [2019-10-02 03:38:37,519 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 03:38:37" (1/1) ... [2019-10-02 03:38:37,553 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-02 03:38:37,553 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-02 03:38:37,554 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-02 03:38:37,554 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-02 03:38:37,555 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 03:38:37" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-02 03:38:37,626 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-02 03:38:37,626 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-02 03:38:37,627 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~int [2019-10-02 03:38:37,627 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~int [2019-10-02 03:38:37,627 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~TO~int [2019-10-02 03:38:37,627 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2019-10-02 03:38:37,627 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~fe_sec_voltage_t~0~TO~int [2019-10-02 03:38:37,628 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~$Pointer$ [2019-10-02 03:38:37,628 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~int~TO~$Pointer$ [2019-10-02 03:38:37,628 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~~u8~0~X~int~TO~$Pointer$ [2019-10-02 03:38:37,628 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~~u8~0~X~~u8~0~X~~u8~0~TO~$Pointer$ [2019-10-02 03:38:37,628 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~~u8~0~TO~$Pointer$ [2019-10-02 03:38:37,629 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~$Pointer$ [2019-10-02 03:38:37,629 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2019-10-02 03:38:37,629 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~TO~$Pointer$ [2019-10-02 03:38:37,629 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~$Pointer$ [2019-10-02 03:38:37,630 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~VOID [2019-10-02 03:38:37,630 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2019-10-02 03:38:37,630 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2019-10-02 03:38:37,632 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2019-10-02 03:38:37,632 INFO L138 BoogieDeclarations]: Found implementation of procedure mt352_write [2019-10-02 03:38:37,632 INFO L138 BoogieDeclarations]: Found implementation of procedure stv0299_writereg [2019-10-02 03:38:37,632 INFO L138 BoogieDeclarations]: Found implementation of procedure sharp_z0194a_set_symbol_rate [2019-10-02 03:38:37,632 INFO L138 BoogieDeclarations]: Found implementation of procedure stb6100_get_freq [2019-10-02 03:38:37,633 INFO L138 BoogieDeclarations]: Found implementation of procedure stb6100_set_freq [2019-10-02 03:38:37,633 INFO L138 BoogieDeclarations]: Found implementation of procedure stb6100_get_bandw [2019-10-02 03:38:37,633 INFO L138 BoogieDeclarations]: Found implementation of procedure stb6100_set_bandw [2019-10-02 03:38:37,634 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_buf_setup [2019-10-02 03:38:37,635 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_buf_prepare [2019-10-02 03:38:37,635 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_buf_queue [2019-10-02 03:38:37,635 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_buf_release [2019-10-02 03:38:37,635 INFO L138 BoogieDeclarations]: Found implementation of procedure cx88_dvb_bus_ctrl [2019-10-02 03:38:37,635 INFO L138 BoogieDeclarations]: Found implementation of procedure cx88_dvb_gate_ctrl [2019-10-02 03:38:37,635 INFO L138 BoogieDeclarations]: Found implementation of procedure dvico_fusionhdtv_demod_init [2019-10-02 03:38:37,636 INFO L138 BoogieDeclarations]: Found implementation of procedure dvico_dual_demod_init [2019-10-02 03:38:37,636 INFO L138 BoogieDeclarations]: Found implementation of procedure dntv_live_dvbt_demod_init [2019-10-02 03:38:37,636 INFO L138 BoogieDeclarations]: Found implementation of procedure dntv_live_dvbt_pro_demod_init [2019-10-02 03:38:37,636 INFO L138 BoogieDeclarations]: Found implementation of procedure or51132_set_ts_param [2019-10-02 03:38:37,636 INFO L138 BoogieDeclarations]: Found implementation of procedure lgdt330x_pll_rf_set [2019-10-02 03:38:37,636 INFO L138 BoogieDeclarations]: Found implementation of procedure lgdt330x_set_ts_param [2019-10-02 03:38:37,637 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt200x_set_ts_param [2019-10-02 03:38:37,637 INFO L138 BoogieDeclarations]: Found implementation of procedure cx24123_set_ts_param [2019-10-02 03:38:37,637 INFO L138 BoogieDeclarations]: Found implementation of procedure kworld_dvbs_100_set_voltage [2019-10-02 03:38:37,637 INFO L138 BoogieDeclarations]: Found implementation of procedure geniatech_dvbs_set_voltage [2019-10-02 03:38:37,637 INFO L138 BoogieDeclarations]: Found implementation of procedure tevii_dvbs_set_voltage [2019-10-02 03:38:37,637 INFO L138 BoogieDeclarations]: Found implementation of procedure vp1027_set_voltage [2019-10-02 03:38:37,637 INFO L138 BoogieDeclarations]: Found implementation of procedure attach_xc3028 [2019-10-02 03:38:37,638 INFO L138 BoogieDeclarations]: Found implementation of procedure cx24116_set_ts_param [2019-10-02 03:38:37,638 INFO L138 BoogieDeclarations]: Found implementation of procedure stv0900_set_ts_param [2019-10-02 03:38:37,638 INFO L138 BoogieDeclarations]: Found implementation of procedure cx24116_reset_device [2019-10-02 03:38:37,638 INFO L138 BoogieDeclarations]: Found implementation of procedure cx8802_alloc_frontends [2019-10-02 03:38:37,638 INFO L138 BoogieDeclarations]: Found implementation of procedure samsung_smt_7020_tuner_set_params [2019-10-02 03:38:37,638 INFO L138 BoogieDeclarations]: Found implementation of procedure samsung_smt_7020_set_tone [2019-10-02 03:38:37,639 INFO L138 BoogieDeclarations]: Found implementation of procedure samsung_smt_7020_set_voltage [2019-10-02 03:38:37,639 INFO L138 BoogieDeclarations]: Found implementation of procedure samsung_smt_7020_stv0299_set_symbol_rate [2019-10-02 03:38:37,639 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_register [2019-10-02 03:38:37,639 INFO L138 BoogieDeclarations]: Found implementation of procedure cx8802_dvb_advise_acquire [2019-10-02 03:38:37,639 INFO L138 BoogieDeclarations]: Found implementation of procedure cx8802_dvb_advise_release [2019-10-02 03:38:37,639 INFO L138 BoogieDeclarations]: Found implementation of procedure cx8802_dvb_probe [2019-10-02 03:38:37,640 INFO L138 BoogieDeclarations]: Found implementation of procedure cx8802_dvb_remove [2019-10-02 03:38:37,640 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_init [2019-10-02 03:38:37,640 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_fini [2019-10-02 03:38:37,640 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-02 03:38:37,640 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_1 [2019-10-02 03:38:37,640 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_2 [2019-10-02 03:38:37,641 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_3 [2019-10-02 03:38:37,641 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_4 [2019-10-02 03:38:37,641 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_5 [2019-10-02 03:38:37,641 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_6 [2019-10-02 03:38:37,641 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_7 [2019-10-02 03:38:37,641 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_8 [2019-10-02 03:38:37,642 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_9 [2019-10-02 03:38:37,642 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_10 [2019-10-02 03:38:37,642 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_11 [2019-10-02 03:38:37,642 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2019-10-02 03:38:37,642 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2019-10-02 03:38:37,642 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_lock_of_cx88_core [2019-10-02 03:38:37,643 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_lock_of_cx88_core [2019-10-02 03:38:37,643 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock_of_cx88_core [2019-10-02 03:38:37,643 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_lock_of_cx88_core [2019-10-02 03:38:37,643 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_lock_of_cx88_core [2019-10-02 03:38:37,643 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_lock_of_cx88_core [2019-10-02 03:38:37,643 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock_of_cx88_core [2019-10-02 03:38:37,644 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_lock_of_v4l2_ctrl_handler [2019-10-02 03:38:37,644 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_lock_of_v4l2_ctrl_handler [2019-10-02 03:38:37,644 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock_of_v4l2_ctrl_handler [2019-10-02 03:38:37,644 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_lock_of_v4l2_ctrl_handler [2019-10-02 03:38:37,644 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_lock_of_v4l2_ctrl_handler [2019-10-02 03:38:37,644 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_lock_of_v4l2_ctrl_handler [2019-10-02 03:38:37,644 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock_of_v4l2_ctrl_handler [2019-10-02 03:38:37,645 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_mutex_of_device [2019-10-02 03:38:37,645 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_mutex_of_device [2019-10-02 03:38:37,645 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mutex_of_device [2019-10-02 03:38:37,645 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_mutex_of_device [2019-10-02 03:38:37,645 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2019-10-02 03:38:37,645 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_mutex_of_device [2019-10-02 03:38:37,646 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex_of_device [2019-10-02 03:38:37,646 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_pm_mutex [2019-10-02 03:38:37,646 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_pm_mutex [2019-10-02 03:38:37,646 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_pm_mutex [2019-10-02 03:38:37,646 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_pm_mutex [2019-10-02 03:38:37,646 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_pm_mutex [2019-10-02 03:38:37,646 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_pm_mutex [2019-10-02 03:38:37,647 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_pm_mutex [2019-10-02 03:38:37,647 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_vb_lock_of_videobuf_queue [2019-10-02 03:38:37,647 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_vb_lock_of_videobuf_queue [2019-10-02 03:38:37,647 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_vb_lock_of_videobuf_queue [2019-10-02 03:38:37,647 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_vb_lock_of_videobuf_queue [2019-10-02 03:38:37,647 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_vb_lock_of_videobuf_queue [2019-10-02 03:38:37,648 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_vb_lock_of_videobuf_queue [2019-10-02 03:38:37,648 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_vb_lock_of_videobuf_queue [2019-10-02 03:38:37,648 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-10-02 03:38:37,648 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-10-02 03:38:37,648 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2019-10-02 03:38:37,648 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2019-10-02 03:38:37,649 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_module [2019-10-02 03:38:37,649 INFO L138 BoogieDeclarations]: Found implementation of procedure __symbol_get [2019-10-02 03:38:37,649 INFO L138 BoogieDeclarations]: Found implementation of procedure __symbol_put [2019-10-02 03:38:37,649 INFO L138 BoogieDeclarations]: Found implementation of procedure cx8802_buf_prepare [2019-10-02 03:38:37,649 INFO L138 BoogieDeclarations]: Found implementation of procedure cx8802_buf_queue [2019-10-02 03:38:37,649 INFO L138 BoogieDeclarations]: Found implementation of procedure cx8802_get_driver [2019-10-02 03:38:37,649 INFO L138 BoogieDeclarations]: Found implementation of procedure cx8802_register_driver [2019-10-02 03:38:37,650 INFO L138 BoogieDeclarations]: Found implementation of procedure cx8802_unregister_driver [2019-10-02 03:38:37,650 INFO L138 BoogieDeclarations]: Found implementation of procedure cx88_free_buffer [2019-10-02 03:38:37,650 INFO L138 BoogieDeclarations]: Found implementation of procedure cx88_setup_xc3028 [2019-10-02 03:38:37,650 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_frontend_detach [2019-10-02 03:38:37,650 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_unregister_frontend [2019-10-02 03:38:37,650 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_transfer [2019-10-02 03:38:37,651 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value [2019-10-02 03:38:37,651 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value_probe [2019-10-02 03:38:37,651 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler_precall [2019-10-02 03:38:37,651 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2019-10-02 03:38:37,651 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2019-10-02 03:38:37,651 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_trylock [2019-10-02 03:38:37,651 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2019-10-02 03:38:37,652 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2019-10-02 03:38:37,652 INFO L138 BoogieDeclarations]: Found implementation of procedure videobuf_dvb_alloc_frontend [2019-10-02 03:38:37,652 INFO L138 BoogieDeclarations]: Found implementation of procedure videobuf_dvb_dealloc_frontends [2019-10-02 03:38:37,652 INFO L138 BoogieDeclarations]: Found implementation of procedure videobuf_dvb_find_frontend [2019-10-02 03:38:37,652 INFO L138 BoogieDeclarations]: Found implementation of procedure videobuf_dvb_get_frontend [2019-10-02 03:38:37,652 INFO L138 BoogieDeclarations]: Found implementation of procedure videobuf_dvb_register_bus [2019-10-02 03:38:37,653 INFO L138 BoogieDeclarations]: Found implementation of procedure videobuf_dvb_unregister_bus [2019-10-02 03:38:37,653 INFO L138 BoogieDeclarations]: Found implementation of procedure videobuf_queue_sg_init [2019-10-02 03:38:37,653 INFO L138 BoogieDeclarations]: Found implementation of procedure vp3054_i2c_probe [2019-10-02 03:38:37,653 INFO L138 BoogieDeclarations]: Found implementation of procedure vp3054_i2c_remove [2019-10-02 03:38:37,653 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-10-02 03:38:37,653 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-10-02 03:38:37,654 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-02 03:38:37,654 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2019-10-02 03:38:37,654 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2019-10-02 03:38:37,655 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-02 03:38:37,655 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2019-10-02 03:38:37,655 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_trylock [2019-10-02 03:38:37,655 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_2 [2019-10-02 03:38:37,655 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2019-10-02 03:38:37,655 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_3 [2019-10-02 03:38:37,656 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_5 [2019-10-02 03:38:37,656 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_7 [2019-10-02 03:38:37,656 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_9 [2019-10-02 03:38:37,656 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_11 [2019-10-02 03:38:37,656 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2019-10-02 03:38:37,656 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_1 [2019-10-02 03:38:37,656 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_4 [2019-10-02 03:38:37,657 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_6 [2019-10-02 03:38:37,657 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_8 [2019-10-02 03:38:37,657 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_10 [2019-10-02 03:38:37,657 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock_of_cx88_core [2019-10-02 03:38:37,657 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock_of_cx88_core [2019-10-02 03:38:37,657 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock_of_v4l2_ctrl_handler [2019-10-02 03:38:37,658 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock_of_v4l2_ctrl_handler [2019-10-02 03:38:37,658 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mutex_of_device [2019-10-02 03:38:37,658 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_mutex_of_device [2019-10-02 03:38:37,658 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex_of_device [2019-10-02 03:38:37,658 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_pm_mutex [2019-10-02 03:38:37,658 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_pm_mutex [2019-10-02 03:38:37,658 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_vb_lock_of_videobuf_queue [2019-10-02 03:38:37,659 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_vb_lock_of_videobuf_queue [2019-10-02 03:38:37,659 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2019-10-02 03:38:37,659 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2019-10-02 03:38:37,659 INFO L130 BoogieDeclarations]: Found specification of procedure __request_module [2019-10-02 03:38:37,659 INFO L130 BoogieDeclarations]: Found specification of procedure __symbol_get [2019-10-02 03:38:37,659 INFO L130 BoogieDeclarations]: Found specification of procedure __symbol_put [2019-10-02 03:38:37,659 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2019-10-02 03:38:37,660 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2019-10-02 03:38:37,660 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_transfer [2019-10-02 03:38:37,660 INFO L130 BoogieDeclarations]: Found specification of procedure videobuf_queue_sg_init [2019-10-02 03:38:37,660 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_unregister_frontend [2019-10-02 03:38:37,660 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_frontend_detach [2019-10-02 03:38:37,660 INFO L130 BoogieDeclarations]: Found specification of procedure videobuf_dvb_register_bus [2019-10-02 03:38:37,660 INFO L130 BoogieDeclarations]: Found specification of procedure videobuf_dvb_unregister_bus [2019-10-02 03:38:37,661 INFO L130 BoogieDeclarations]: Found specification of procedure videobuf_dvb_alloc_frontend [2019-10-02 03:38:37,661 INFO L130 BoogieDeclarations]: Found specification of procedure videobuf_dvb_dealloc_frontends [2019-10-02 03:38:37,661 INFO L130 BoogieDeclarations]: Found specification of procedure videobuf_dvb_get_frontend [2019-10-02 03:38:37,661 INFO L130 BoogieDeclarations]: Found specification of procedure videobuf_dvb_find_frontend [2019-10-02 03:38:37,661 INFO L130 BoogieDeclarations]: Found specification of procedure cx88_free_buffer [2019-10-02 03:38:37,661 INFO L130 BoogieDeclarations]: Found specification of procedure cx88_tuner_callback [2019-10-02 03:38:37,662 INFO L130 BoogieDeclarations]: Found specification of procedure cx88_setup_xc3028 [2019-10-02 03:38:37,662 INFO L130 BoogieDeclarations]: Found specification of procedure cx8802_register_driver [2019-10-02 03:38:37,662 INFO L130 BoogieDeclarations]: Found specification of procedure cx8802_unregister_driver [2019-10-02 03:38:37,662 INFO L130 BoogieDeclarations]: Found specification of procedure cx8802_get_driver [2019-10-02 03:38:37,662 INFO L130 BoogieDeclarations]: Found specification of procedure cx8802_buf_prepare [2019-10-02 03:38:37,662 INFO L130 BoogieDeclarations]: Found specification of procedure cx8802_buf_queue [2019-10-02 03:38:37,662 INFO L130 BoogieDeclarations]: Found specification of procedure mt352_write [2019-10-02 03:38:37,663 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~int [2019-10-02 03:38:37,663 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-02 03:38:37,663 INFO L130 BoogieDeclarations]: Found specification of procedure vp3054_i2c_probe [2019-10-02 03:38:37,663 INFO L130 BoogieDeclarations]: Found specification of procedure vp3054_i2c_remove [2019-10-02 03:38:37,663 INFO L130 BoogieDeclarations]: Found specification of procedure stv0299_writereg [2019-10-02 03:38:37,663 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-02 03:38:37,663 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-02 03:38:37,664 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-02 03:38:37,664 INFO L130 BoogieDeclarations]: Found specification of procedure sharp_z0194a_set_symbol_rate [2019-10-02 03:38:37,664 INFO L130 BoogieDeclarations]: Found specification of procedure stb6100_get_freq [2019-10-02 03:38:37,664 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~int [2019-10-02 03:38:37,664 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~TO~int [2019-10-02 03:38:37,664 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-02 03:38:37,664 INFO L130 BoogieDeclarations]: Found specification of procedure stb6100_set_freq [2019-10-02 03:38:37,665 INFO L130 BoogieDeclarations]: Found specification of procedure stb6100_get_bandw [2019-10-02 03:38:37,665 INFO L130 BoogieDeclarations]: Found specification of procedure stb6100_set_bandw [2019-10-02 03:38:37,665 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_buf_setup [2019-10-02 03:38:37,665 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_buf_prepare [2019-10-02 03:38:37,665 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_buf_queue [2019-10-02 03:38:37,665 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_buf_release [2019-10-02 03:38:37,665 INFO L130 BoogieDeclarations]: Found specification of procedure cx88_dvb_bus_ctrl [2019-10-02 03:38:37,666 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2019-10-02 03:38:37,666 INFO L130 BoogieDeclarations]: Found specification of procedure cx88_dvb_gate_ctrl [2019-10-02 03:38:37,666 INFO L130 BoogieDeclarations]: Found specification of procedure dvico_fusionhdtv_demod_init [2019-10-02 03:38:37,666 INFO L130 BoogieDeclarations]: Found specification of procedure dvico_dual_demod_init [2019-10-02 03:38:37,666 INFO L130 BoogieDeclarations]: Found specification of procedure dntv_live_dvbt_demod_init [2019-10-02 03:38:37,666 INFO L130 BoogieDeclarations]: Found specification of procedure dntv_live_dvbt_pro_demod_init [2019-10-02 03:38:37,666 INFO L130 BoogieDeclarations]: Found specification of procedure or51132_set_ts_param [2019-10-02 03:38:37,666 INFO L130 BoogieDeclarations]: Found specification of procedure lgdt330x_pll_rf_set [2019-10-02 03:38:37,667 INFO L130 BoogieDeclarations]: Found specification of procedure lgdt330x_set_ts_param [2019-10-02 03:38:37,667 INFO L130 BoogieDeclarations]: Found specification of procedure nxt200x_set_ts_param [2019-10-02 03:38:37,667 INFO L130 BoogieDeclarations]: Found specification of procedure cx24123_set_ts_param [2019-10-02 03:38:37,667 INFO L130 BoogieDeclarations]: Found specification of procedure kworld_dvbs_100_set_voltage [2019-10-02 03:38:37,667 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~fe_sec_voltage_t~0~TO~int [2019-10-02 03:38:37,667 INFO L130 BoogieDeclarations]: Found specification of procedure geniatech_dvbs_set_voltage [2019-10-02 03:38:37,667 INFO L130 BoogieDeclarations]: Found specification of procedure tevii_dvbs_set_voltage [2019-10-02 03:38:37,667 INFO L130 BoogieDeclarations]: Found specification of procedure vp1027_set_voltage [2019-10-02 03:38:37,668 INFO L130 BoogieDeclarations]: Found specification of procedure attach_xc3028 [2019-10-02 03:38:37,668 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~$Pointer$ [2019-10-02 03:38:37,668 INFO L130 BoogieDeclarations]: Found specification of procedure cx24116_set_ts_param [2019-10-02 03:38:37,668 INFO L130 BoogieDeclarations]: Found specification of procedure stv0900_set_ts_param [2019-10-02 03:38:37,668 INFO L130 BoogieDeclarations]: Found specification of procedure cx24116_reset_device [2019-10-02 03:38:37,668 INFO L130 BoogieDeclarations]: Found specification of procedure cx8802_alloc_frontends [2019-10-02 03:38:37,668 INFO L130 BoogieDeclarations]: Found specification of procedure samsung_smt_7020_tuner_set_params [2019-10-02 03:38:37,668 INFO L130 BoogieDeclarations]: Found specification of procedure samsung_smt_7020_set_tone [2019-10-02 03:38:37,669 INFO L130 BoogieDeclarations]: Found specification of procedure samsung_smt_7020_set_voltage [2019-10-02 03:38:37,669 INFO L130 BoogieDeclarations]: Found specification of procedure samsung_smt_7020_stv0299_set_symbol_rate [2019-10-02 03:38:37,669 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_register [2019-10-02 03:38:37,669 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~int~TO~$Pointer$ [2019-10-02 03:38:37,669 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~~u8~0~X~int~TO~$Pointer$ [2019-10-02 03:38:37,669 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~~u8~0~X~~u8~0~X~~u8~0~TO~$Pointer$ [2019-10-02 03:38:37,669 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~~u8~0~TO~$Pointer$ [2019-10-02 03:38:37,670 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~$Pointer$ [2019-10-02 03:38:37,670 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2019-10-02 03:38:37,670 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~TO~$Pointer$ [2019-10-02 03:38:37,670 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~$Pointer$ [2019-10-02 03:38:37,670 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~VOID [2019-10-02 03:38:37,670 INFO L130 BoogieDeclarations]: Found specification of procedure cx8802_dvb_advise_acquire [2019-10-02 03:38:37,670 INFO L130 BoogieDeclarations]: Found specification of procedure cx8802_dvb_advise_release [2019-10-02 03:38:37,671 INFO L130 BoogieDeclarations]: Found specification of procedure cx8802_dvb_probe [2019-10-02 03:38:37,671 INFO L130 BoogieDeclarations]: Found specification of procedure cx8802_dvb_remove [2019-10-02 03:38:37,671 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_init [2019-10-02 03:38:37,671 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_fini [2019-10-02 03:38:37,671 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-10-02 03:38:37,671 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value [2019-10-02 03:38:37,671 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value_probe [2019-10-02 03:38:37,671 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-10-02 03:38:37,672 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler_precall [2019-10-02 03:38:37,672 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-02 03:38:37,672 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-02 03:38:37,672 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2019-10-02 03:38:37,672 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2019-10-02 03:38:37,672 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_lock_of_cx88_core [2019-10-02 03:38:37,672 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_lock_of_cx88_core [2019-10-02 03:38:37,673 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_lock_of_cx88_core [2019-10-02 03:38:37,673 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_lock_of_cx88_core [2019-10-02 03:38:37,673 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_lock_of_cx88_core [2019-10-02 03:38:37,673 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_lock_of_v4l2_ctrl_handler [2019-10-02 03:38:37,673 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_lock_of_v4l2_ctrl_handler [2019-10-02 03:38:37,673 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_lock_of_v4l2_ctrl_handler [2019-10-02 03:38:37,673 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_lock_of_v4l2_ctrl_handler [2019-10-02 03:38:37,674 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_lock_of_v4l2_ctrl_handler [2019-10-02 03:38:37,674 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_mutex_of_device [2019-10-02 03:38:37,674 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_mutex_of_device [2019-10-02 03:38:37,674 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2019-10-02 03:38:37,674 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_mutex_of_device [2019-10-02 03:38:37,674 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_pm_mutex [2019-10-02 03:38:37,674 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_pm_mutex [2019-10-02 03:38:37,675 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_pm_mutex [2019-10-02 03:38:37,675 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_pm_mutex [2019-10-02 03:38:37,675 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_pm_mutex [2019-10-02 03:38:37,675 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_vb_lock_of_videobuf_queue [2019-10-02 03:38:37,675 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_vb_lock_of_videobuf_queue [2019-10-02 03:38:37,675 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_vb_lock_of_videobuf_queue [2019-10-02 03:38:37,675 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_vb_lock_of_videobuf_queue [2019-10-02 03:38:37,676 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_vb_lock_of_videobuf_queue [2019-10-02 03:38:37,676 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-10-02 03:38:37,676 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-10-02 03:38:37,676 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-02 03:38:37,676 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-10-02 03:38:37,676 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-02 03:38:37,676 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-02 03:38:37,676 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-10-02 03:38:37,677 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-02 03:39:45,763 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-02 03:39:45,764 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-10-02 03:39:45,766 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.10 03:39:45 BoogieIcfgContainer [2019-10-02 03:39:45,767 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-02 03:39:45,768 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-02 03:39:45,768 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-02 03:39:45,771 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-02 03:39:45,771 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.10 03:38:33" (1/3) ... [2019-10-02 03:39:45,772 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@12c3c637 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.10 03:39:45, skipping insertion in model container [2019-10-02 03:39:45,772 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 03:38:37" (2/3) ... [2019-10-02 03:39:45,773 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@12c3c637 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.10 03:39:45, skipping insertion in model container [2019-10-02 03:39:45,773 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.10 03:39:45" (3/3) ... [2019-10-02 03:39:45,775 INFO L109 eAbstractionObserver]: Analyzing ICFG m0_drivers-media-video-cx88-cx88-dvb-ko--32_7a--d47b389.i [2019-10-02 03:39:45,785 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-02 03:39:45,795 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-02 03:39:45,812 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-02 03:39:45,852 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2019-10-02 03:39:45,853 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-10-02 03:39:45,853 INFO L378 AbstractCegarLoop]: Hoare is true [2019-10-02 03:39:45,853 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-02 03:39:45,853 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-02 03:39:45,853 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-02 03:39:45,853 INFO L382 AbstractCegarLoop]: Difference is false [2019-10-02 03:39:45,854 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-02 03:39:45,854 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-02 03:39:45,918 INFO L276 IsEmpty]: Start isEmpty. Operand 2362 states. [2019-10-02 03:39:45,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2019-10-02 03:39:45,926 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 03:39:45,928 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 03:39:45,932 INFO L418 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 03:39:45,938 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 03:39:45,939 INFO L82 PathProgramCache]: Analyzing trace with hash 248979775, now seen corresponding path program 1 times [2019-10-02 03:39:45,940 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 03:39:45,941 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 03:39:46,098 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 03:39:46,098 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 03:39:46,098 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 03:39:46,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 03:39:47,609 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-02 03:39:47,612 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 03:39:47,612 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-02 03:39:47,616 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-02 03:39:47,630 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-02 03:39:47,631 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 03:39:47,633 INFO L87 Difference]: Start difference. First operand 2362 states. Second operand 3 states. [2019-10-02 03:40:09,884 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 03:40:09,884 INFO L93 Difference]: Finished difference Result 5881 states and 8903 transitions. [2019-10-02 03:40:09,885 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-02 03:40:09,886 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 28 [2019-10-02 03:40:09,887 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 03:40:09,934 INFO L225 Difference]: With dead ends: 5881 [2019-10-02 03:40:09,935 INFO L226 Difference]: Without dead ends: 3833 [2019-10-02 03:40:09,957 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 03:40:09,987 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3833 states. [2019-10-02 03:40:10,325 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3833 to 3830. [2019-10-02 03:40:10,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3830 states. [2019-10-02 03:40:10,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3830 states to 3830 states and 5768 transitions. [2019-10-02 03:40:10,355 INFO L78 Accepts]: Start accepts. Automaton has 3830 states and 5768 transitions. Word has length 28 [2019-10-02 03:40:10,356 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 03:40:10,356 INFO L475 AbstractCegarLoop]: Abstraction has 3830 states and 5768 transitions. [2019-10-02 03:40:10,356 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-02 03:40:10,356 INFO L276 IsEmpty]: Start isEmpty. Operand 3830 states and 5768 transitions. [2019-10-02 03:40:10,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2019-10-02 03:40:10,358 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 03:40:10,358 INFO L411 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] [2019-10-02 03:40:10,359 INFO L418 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 03:40:10,359 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 03:40:10,360 INFO L82 PathProgramCache]: Analyzing trace with hash -872861909, now seen corresponding path program 1 times [2019-10-02 03:40:10,360 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 03:40:10,360 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 03:40:10,389 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 03:40:10,389 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 03:40:10,390 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 03:40:10,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 03:40:11,072 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-02 03:40:11,072 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 03:40:11,073 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-02 03:40:11,074 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-02 03:40:11,075 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-02 03:40:11,075 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 03:40:11,075 INFO L87 Difference]: Start difference. First operand 3830 states and 5768 transitions. Second operand 3 states. [2019-10-02 03:40:36,215 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 03:40:36,215 INFO L93 Difference]: Finished difference Result 3832 states and 5769 transitions. [2019-10-02 03:40:36,215 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-02 03:40:36,216 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 29 [2019-10-02 03:40:36,216 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 03:40:36,241 INFO L225 Difference]: With dead ends: 3832 [2019-10-02 03:40:36,241 INFO L226 Difference]: Without dead ends: 3829 [2019-10-02 03:40:36,245 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 03:40:36,252 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3829 states. [2019-10-02 03:40:36,522 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3829 to 3829. [2019-10-02 03:40:36,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3829 states. [2019-10-02 03:40:36,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3829 states to 3829 states and 5766 transitions. [2019-10-02 03:40:36,562 INFO L78 Accepts]: Start accepts. Automaton has 3829 states and 5766 transitions. Word has length 29 [2019-10-02 03:40:36,563 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 03:40:36,563 INFO L475 AbstractCegarLoop]: Abstraction has 3829 states and 5766 transitions. [2019-10-02 03:40:36,563 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-02 03:40:36,564 INFO L276 IsEmpty]: Start isEmpty. Operand 3829 states and 5766 transitions. [2019-10-02 03:40:36,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2019-10-02 03:40:36,565 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 03:40:36,565 INFO L411 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] [2019-10-02 03:40:36,566 INFO L418 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 03:40:36,566 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 03:40:36,566 INFO L82 PathProgramCache]: Analyzing trace with hash -1290210878, now seen corresponding path program 1 times [2019-10-02 03:40:36,566 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 03:40:36,566 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 03:40:36,605 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 03:40:36,606 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 03:40:36,606 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 03:40:36,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 03:40:37,375 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-02 03:40:37,375 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 03:40:37,376 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-02 03:40:37,376 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-02 03:40:37,376 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-02 03:40:37,376 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 03:40:37,377 INFO L87 Difference]: Start difference. First operand 3829 states and 5766 transitions. Second operand 3 states. [2019-10-02 03:41:02,200 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 03:41:02,200 INFO L93 Difference]: Finished difference Result 3831 states and 5767 transitions. [2019-10-02 03:41:02,200 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-02 03:41:02,201 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 30 [2019-10-02 03:41:02,201 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 03:41:02,235 INFO L225 Difference]: With dead ends: 3831 [2019-10-02 03:41:02,235 INFO L226 Difference]: Without dead ends: 3828 [2019-10-02 03:41:02,238 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 03:41:02,246 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3828 states. [2019-10-02 03:41:02,538 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3828 to 3828. [2019-10-02 03:41:02,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3828 states. [2019-10-02 03:41:02,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3828 states to 3828 states and 5764 transitions. [2019-10-02 03:41:02,581 INFO L78 Accepts]: Start accepts. Automaton has 3828 states and 5764 transitions. Word has length 30 [2019-10-02 03:41:02,581 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 03:41:02,581 INFO L475 AbstractCegarLoop]: Abstraction has 3828 states and 5764 transitions. [2019-10-02 03:41:02,581 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-02 03:41:02,582 INFO L276 IsEmpty]: Start isEmpty. Operand 3828 states and 5764 transitions. [2019-10-02 03:41:02,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2019-10-02 03:41:02,584 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 03:41:02,584 INFO L411 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] [2019-10-02 03:41:02,585 INFO L418 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 03:41:02,585 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 03:41:02,585 INFO L82 PathProgramCache]: Analyzing trace with hash -1343122162, now seen corresponding path program 1 times [2019-10-02 03:41:02,585 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 03:41:02,586 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 03:41:02,618 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 03:41:02,618 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 03:41:02,618 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 03:41:02,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 03:41:04,370 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-02 03:41:04,371 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 03:41:04,371 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-02 03:41:04,371 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-02 03:41:04,371 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-02 03:41:04,372 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 03:41:04,372 INFO L87 Difference]: Start difference. First operand 3828 states and 5764 transitions. Second operand 3 states. [2019-10-02 03:41:29,336 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 03:41:29,336 INFO L93 Difference]: Finished difference Result 3830 states and 5765 transitions. [2019-10-02 03:41:29,336 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-02 03:41:29,337 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 31 [2019-10-02 03:41:29,337 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 03:41:29,370 INFO L225 Difference]: With dead ends: 3830 [2019-10-02 03:41:29,370 INFO L226 Difference]: Without dead ends: 3827 [2019-10-02 03:41:29,373 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 03:41:29,381 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3827 states. [2019-10-02 03:41:29,586 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3827 to 3827. [2019-10-02 03:41:29,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3827 states. [2019-10-02 03:41:29,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3827 states to 3827 states and 5762 transitions. [2019-10-02 03:41:29,602 INFO L78 Accepts]: Start accepts. Automaton has 3827 states and 5762 transitions. Word has length 31 [2019-10-02 03:41:29,602 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 03:41:29,602 INFO L475 AbstractCegarLoop]: Abstraction has 3827 states and 5762 transitions. [2019-10-02 03:41:29,602 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-02 03:41:29,602 INFO L276 IsEmpty]: Start isEmpty. Operand 3827 states and 5762 transitions. [2019-10-02 03:41:29,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-10-02 03:41:29,605 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 03:41:29,605 INFO L411 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] [2019-10-02 03:41:29,605 INFO L418 AbstractCegarLoop]: === Iteration 5 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 03:41:29,605 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 03:41:29,605 INFO L82 PathProgramCache]: Analyzing trace with hash 1311600197, now seen corresponding path program 1 times [2019-10-02 03:41:29,606 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 03:41:29,606 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 03:41:29,630 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 03:41:29,630 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 03:41:29,630 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 03:41:29,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 03:41:30,216 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-02 03:41:30,217 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 03:41:30,217 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-02 03:41:30,218 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-02 03:41:30,218 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-02 03:41:30,218 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 03:41:30,218 INFO L87 Difference]: Start difference. First operand 3827 states and 5762 transitions. Second operand 3 states. [2019-10-02 03:41:53,951 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 03:41:53,951 INFO L93 Difference]: Finished difference Result 3829 states and 5763 transitions. [2019-10-02 03:41:55,132 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-02 03:41:55,132 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 32 [2019-10-02 03:41:55,132 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 03:41:55,162 INFO L225 Difference]: With dead ends: 3829 [2019-10-02 03:41:55,162 INFO L226 Difference]: Without dead ends: 3811 [2019-10-02 03:41:55,165 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 03:41:55,172 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3811 states. [2019-10-02 03:41:55,409 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3811 to 3811. [2019-10-02 03:41:55,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3811 states. [2019-10-02 03:41:55,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3811 states to 3811 states and 5742 transitions. [2019-10-02 03:41:55,425 INFO L78 Accepts]: Start accepts. Automaton has 3811 states and 5742 transitions. Word has length 32 [2019-10-02 03:41:55,426 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 03:41:55,427 INFO L475 AbstractCegarLoop]: Abstraction has 3811 states and 5742 transitions. [2019-10-02 03:41:55,427 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-02 03:41:55,427 INFO L276 IsEmpty]: Start isEmpty. Operand 3811 states and 5742 transitions. [2019-10-02 03:41:55,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2019-10-02 03:41:55,462 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 03:41:55,463 INFO L411 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] [2019-10-02 03:41:55,463 INFO L418 AbstractCegarLoop]: === Iteration 6 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 03:41:55,464 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 03:41:55,464 INFO L82 PathProgramCache]: Analyzing trace with hash -1835520665, now seen corresponding path program 1 times [2019-10-02 03:41:55,464 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 03:41:55,465 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 03:41:55,492 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 03:41:55,493 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 03:41:55,493 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 03:41:55,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 03:41:56,351 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2019-10-02 03:41:56,352 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 03:41:56,352 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-02 03:41:56,353 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-02 03:41:56,353 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-02 03:41:56,353 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 03:41:56,353 INFO L87 Difference]: Start difference. First operand 3811 states and 5742 transitions. Second operand 3 states. [2019-10-02 03:42:21,472 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 03:42:21,473 INFO L93 Difference]: Finished difference Result 11389 states and 17347 transitions. [2019-10-02 03:42:21,473 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-02 03:42:21,474 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 181 [2019-10-02 03:42:21,474 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 03:42:21,557 INFO L225 Difference]: With dead ends: 11389 [2019-10-02 03:42:21,557 INFO L226 Difference]: Without dead ends: 7600 [2019-10-02 03:42:21,581 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 03:42:21,593 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7600 states. [2019-10-02 03:42:22,128 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7600 to 7588. [2019-10-02 03:42:22,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7588 states. [2019-10-02 03:42:22,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7588 states to 7588 states and 11500 transitions. [2019-10-02 03:42:22,163 INFO L78 Accepts]: Start accepts. Automaton has 7588 states and 11500 transitions. Word has length 181 [2019-10-02 03:42:22,164 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 03:42:22,164 INFO L475 AbstractCegarLoop]: Abstraction has 7588 states and 11500 transitions. [2019-10-02 03:42:22,164 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-02 03:42:22,165 INFO L276 IsEmpty]: Start isEmpty. Operand 7588 states and 11500 transitions. [2019-10-02 03:42:22,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2019-10-02 03:42:22,182 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 03:42:22,182 INFO L411 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] [2019-10-02 03:42:22,183 INFO L418 AbstractCegarLoop]: === Iteration 7 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 03:42:22,183 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 03:42:22,183 INFO L82 PathProgramCache]: Analyzing trace with hash 1512408745, now seen corresponding path program 1 times [2019-10-02 03:42:22,184 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 03:42:22,184 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 03:42:22,208 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 03:42:22,208 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 03:42:22,208 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 03:42:22,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 03:42:23,010 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2019-10-02 03:42:23,011 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 03:42:23,011 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-02 03:42:23,012 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-02 03:42:23,013 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-02 03:42:23,013 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 03:42:23,013 INFO L87 Difference]: Start difference. First operand 7588 states and 11500 transitions. Second operand 3 states. [2019-10-02 03:42:23,404 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 03:42:23,404 INFO L93 Difference]: Finished difference Result 15158 states and 23105 transitions. [2019-10-02 03:42:23,405 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-02 03:42:23,405 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 181 [2019-10-02 03:42:23,409 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 03:42:23,451 INFO L225 Difference]: With dead ends: 15158 [2019-10-02 03:42:23,451 INFO L226 Difference]: Without dead ends: 7592 [2019-10-02 03:42:23,494 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 03:42:23,508 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7592 states. [2019-10-02 03:42:24,004 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7592 to 7592. [2019-10-02 03:42:24,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7592 states. [2019-10-02 03:42:24,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7592 states to 7592 states and 11504 transitions. [2019-10-02 03:42:24,036 INFO L78 Accepts]: Start accepts. Automaton has 7592 states and 11504 transitions. Word has length 181 [2019-10-02 03:42:24,037 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 03:42:24,037 INFO L475 AbstractCegarLoop]: Abstraction has 7592 states and 11504 transitions. [2019-10-02 03:42:24,037 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-02 03:42:24,037 INFO L276 IsEmpty]: Start isEmpty. Operand 7592 states and 11504 transitions. [2019-10-02 03:42:24,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2019-10-02 03:42:24,064 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 03:42:24,064 INFO L411 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] [2019-10-02 03:42:24,064 INFO L418 AbstractCegarLoop]: === Iteration 8 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 03:42:24,065 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 03:42:24,065 INFO L82 PathProgramCache]: Analyzing trace with hash 1929715523, now seen corresponding path program 1 times [2019-10-02 03:42:24,065 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 03:42:24,065 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 03:42:24,089 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 03:42:24,090 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 03:42:24,090 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 03:42:24,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 03:42:24,940 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2019-10-02 03:42:24,941 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 03:42:24,941 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-02 03:42:24,942 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-02 03:42:24,942 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-02 03:42:24,943 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 03:42:24,943 INFO L87 Difference]: Start difference. First operand 7592 states and 11504 transitions. Second operand 3 states. [2019-10-02 03:42:50,496 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 03:42:50,496 INFO L93 Difference]: Finished difference Result 11665 states and 17573 transitions. [2019-10-02 03:42:50,497 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-02 03:42:50,497 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 183 [2019-10-02 03:42:50,497 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 03:42:50,528 INFO L225 Difference]: With dead ends: 11665 [2019-10-02 03:42:50,528 INFO L226 Difference]: Without dead ends: 7575 [2019-10-02 03:42:50,549 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 03:42:50,560 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7575 states. [2019-10-02 03:42:50,984 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7575 to 7570. [2019-10-02 03:42:50,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7570 states. [2019-10-02 03:42:51,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7570 states to 7570 states and 11419 transitions. [2019-10-02 03:42:51,011 INFO L78 Accepts]: Start accepts. Automaton has 7570 states and 11419 transitions. Word has length 183 [2019-10-02 03:42:51,013 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 03:42:51,013 INFO L475 AbstractCegarLoop]: Abstraction has 7570 states and 11419 transitions. [2019-10-02 03:42:51,013 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-02 03:42:51,013 INFO L276 IsEmpty]: Start isEmpty. Operand 7570 states and 11419 transitions. [2019-10-02 03:42:51,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 285 [2019-10-02 03:42:51,049 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 03:42:51,050 INFO L411 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] [2019-10-02 03:42:51,051 INFO L418 AbstractCegarLoop]: === Iteration 9 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 03:42:51,051 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 03:42:51,051 INFO L82 PathProgramCache]: Analyzing trace with hash 1838326254, now seen corresponding path program 1 times [2019-10-02 03:42:51,051 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 03:42:51,051 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 03:42:51,074 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 03:42:51,074 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 03:42:51,075 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 03:42:51,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 03:42:52,104 INFO L134 CoverageAnalysis]: Checked inductivity of 173 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2019-10-02 03:42:52,105 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 03:42:52,106 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-02 03:42:52,106 INFO L454 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-02 03:42:52,107 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-02 03:42:52,107 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2019-10-02 03:42:52,107 INFO L87 Difference]: Start difference. First operand 7570 states and 11419 transitions. Second operand 7 states. [2019-10-02 03:42:52,590 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 03:42:52,591 INFO L93 Difference]: Finished difference Result 15146 states and 22909 transitions. [2019-10-02 03:42:52,591 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-02 03:42:52,591 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 284 [2019-10-02 03:42:52,592 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 03:42:52,619 INFO L225 Difference]: With dead ends: 15146 [2019-10-02 03:42:52,619 INFO L226 Difference]: Without dead ends: 7598 [2019-10-02 03:42:52,646 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2019-10-02 03:42:52,658 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7598 states. [2019-10-02 03:42:53,065 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7598 to 7586. [2019-10-02 03:42:53,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7586 states. [2019-10-02 03:42:53,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7586 states to 7586 states and 11435 transitions. [2019-10-02 03:42:53,093 INFO L78 Accepts]: Start accepts. Automaton has 7586 states and 11435 transitions. Word has length 284 [2019-10-02 03:42:53,094 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 03:42:53,094 INFO L475 AbstractCegarLoop]: Abstraction has 7586 states and 11435 transitions. [2019-10-02 03:42:53,094 INFO L476 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-02 03:42:53,094 INFO L276 IsEmpty]: Start isEmpty. Operand 7586 states and 11435 transitions. [2019-10-02 03:42:53,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 289 [2019-10-02 03:42:53,127 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 03:42:53,128 INFO L411 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] [2019-10-02 03:42:53,128 INFO L418 AbstractCegarLoop]: === Iteration 10 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 03:42:53,128 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 03:42:53,128 INFO L82 PathProgramCache]: Analyzing trace with hash -1212741446, now seen corresponding path program 1 times [2019-10-02 03:42:53,129 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 03:42:53,129 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 03:42:53,152 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 03:42:53,152 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 03:42:53,152 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 03:42:53,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 03:42:54,307 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2019-10-02 03:42:54,308 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 03:42:54,308 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-02 03:42:54,309 INFO L454 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-02 03:42:54,309 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-02 03:42:54,309 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-10-02 03:42:54,310 INFO L87 Difference]: Start difference. First operand 7586 states and 11435 transitions. Second operand 4 states. [2019-10-02 03:42:54,715 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 03:42:54,715 INFO L93 Difference]: Finished difference Result 15370 states and 23268 transitions. [2019-10-02 03:42:54,716 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-02 03:42:54,716 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 288 [2019-10-02 03:42:54,716 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 03:42:54,747 INFO L225 Difference]: With dead ends: 15370 [2019-10-02 03:42:54,748 INFO L226 Difference]: Without dead ends: 7806 [2019-10-02 03:42:54,773 INFO L640 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 [2019-10-02 03:42:54,782 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7806 states. [2019-10-02 03:42:55,281 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7806 to 7610. [2019-10-02 03:42:55,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7610 states. [2019-10-02 03:42:55,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7610 states to 7610 states and 11471 transitions. [2019-10-02 03:42:55,319 INFO L78 Accepts]: Start accepts. Automaton has 7610 states and 11471 transitions. Word has length 288 [2019-10-02 03:42:55,319 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 03:42:55,320 INFO L475 AbstractCegarLoop]: Abstraction has 7610 states and 11471 transitions. [2019-10-02 03:42:55,320 INFO L476 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-02 03:42:55,320 INFO L276 IsEmpty]: Start isEmpty. Operand 7610 states and 11471 transitions. [2019-10-02 03:42:55,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 289 [2019-10-02 03:42:55,371 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 03:42:55,372 INFO L411 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] [2019-10-02 03:42:55,372 INFO L418 AbstractCegarLoop]: === Iteration 11 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 03:42:55,372 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 03:42:55,373 INFO L82 PathProgramCache]: Analyzing trace with hash 1055314750, now seen corresponding path program 1 times [2019-10-02 03:42:55,373 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 03:42:55,373 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 03:42:55,398 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 03:42:55,399 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 03:42:55,399 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 03:42:55,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 03:42:56,602 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2019-10-02 03:42:56,602 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 03:42:56,602 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-02 03:42:56,603 INFO L454 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-02 03:42:56,603 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-02 03:42:56,603 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-10-02 03:42:56,604 INFO L87 Difference]: Start difference. First operand 7610 states and 11471 transitions. Second operand 4 states. [2019-10-02 03:42:56,958 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 03:42:56,958 INFO L93 Difference]: Finished difference Result 15310 states and 23159 transitions. [2019-10-02 03:42:56,958 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-02 03:42:56,959 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 288 [2019-10-02 03:42:56,959 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 03:42:56,989 INFO L225 Difference]: With dead ends: 15310 [2019-10-02 03:42:56,989 INFO L226 Difference]: Without dead ends: 7718 [2019-10-02 03:42:57,013 INFO L640 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 [2019-10-02 03:42:57,021 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7718 states. [2019-10-02 03:42:57,481 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7718 to 7614. [2019-10-02 03:42:57,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7614 states. [2019-10-02 03:42:57,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7614 states to 7614 states and 11471 transitions. [2019-10-02 03:42:57,509 INFO L78 Accepts]: Start accepts. Automaton has 7614 states and 11471 transitions. Word has length 288 [2019-10-02 03:42:57,509 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 03:42:57,509 INFO L475 AbstractCegarLoop]: Abstraction has 7614 states and 11471 transitions. [2019-10-02 03:42:57,509 INFO L476 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-02 03:42:57,510 INFO L276 IsEmpty]: Start isEmpty. Operand 7614 states and 11471 transitions. [2019-10-02 03:42:57,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 289 [2019-10-02 03:42:57,552 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 03:42:57,553 INFO L411 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, 1, 1, 1, 1] [2019-10-02 03:42:57,553 INFO L418 AbstractCegarLoop]: === Iteration 12 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 03:42:57,553 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 03:42:57,553 INFO L82 PathProgramCache]: Analyzing trace with hash 1304337018, now seen corresponding path program 1 times [2019-10-02 03:42:57,553 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 03:42:57,554 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 03:42:57,574 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 03:42:57,574 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 03:42:57,574 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 03:42:57,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 03:42:58,529 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 119 trivial. 0 not checked. [2019-10-02 03:42:58,529 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 03:42:58,530 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-02 03:42:58,531 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-02 03:42:58,531 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-02 03:42:58,532 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 03:42:58,532 INFO L87 Difference]: Start difference. First operand 7614 states and 11471 transitions. Second operand 3 states. [2019-10-02 03:43:19,074 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 03:43:19,074 INFO L93 Difference]: Finished difference Result 7622 states and 11478 transitions. [2019-10-02 03:43:19,075 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-02 03:43:19,075 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 288 [2019-10-02 03:43:19,076 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 03:43:19,089 INFO L225 Difference]: With dead ends: 7622 [2019-10-02 03:43:19,089 INFO L226 Difference]: Without dead ends: 3822 [2019-10-02 03:43:19,100 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 03:43:19,105 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3822 states. [2019-10-02 03:43:19,306 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3822 to 3822. [2019-10-02 03:43:19,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3822 states. [2019-10-02 03:43:19,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3822 states to 3822 states and 5723 transitions. [2019-10-02 03:43:19,321 INFO L78 Accepts]: Start accepts. Automaton has 3822 states and 5723 transitions. Word has length 288 [2019-10-02 03:43:19,323 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 03:43:19,323 INFO L475 AbstractCegarLoop]: Abstraction has 3822 states and 5723 transitions. [2019-10-02 03:43:19,323 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-02 03:43:19,323 INFO L276 IsEmpty]: Start isEmpty. Operand 3822 states and 5723 transitions. [2019-10-02 03:43:19,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 289 [2019-10-02 03:43:19,340 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 03:43:19,340 INFO L411 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] [2019-10-02 03:43:19,340 INFO L418 AbstractCegarLoop]: === Iteration 13 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 03:43:19,341 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 03:43:19,341 INFO L82 PathProgramCache]: Analyzing trace with hash -1869514054, now seen corresponding path program 1 times [2019-10-02 03:43:19,341 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 03:43:19,341 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 03:43:19,362 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 03:43:19,362 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 03:43:19,362 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 03:43:22,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 03:43:23,252 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 140 trivial. 0 not checked. [2019-10-02 03:43:23,253 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 03:43:23,253 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-02 03:43:23,254 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-02 03:43:23,254 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-02 03:43:23,255 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-10-02 03:43:23,255 INFO L87 Difference]: Start difference. First operand 3822 states and 5723 transitions. Second operand 6 states. [2019-10-02 03:43:53,056 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 03:43:53,056 INFO L93 Difference]: Finished difference Result 7672 states and 11518 transitions. [2019-10-02 03:43:53,057 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-02 03:43:53,057 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 288 [2019-10-02 03:43:53,058 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 03:43:53,073 INFO L225 Difference]: With dead ends: 7672 [2019-10-02 03:43:53,073 INFO L226 Difference]: Without dead ends: 3872 [2019-10-02 03:43:53,084 INFO L640 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 [2019-10-02 03:43:53,088 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3872 states. [2019-10-02 03:43:53,302 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3872 to 3858. [2019-10-02 03:43:53,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3858 states. [2019-10-02 03:43:53,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3858 states to 3858 states and 5779 transitions. [2019-10-02 03:43:53,316 INFO L78 Accepts]: Start accepts. Automaton has 3858 states and 5779 transitions. Word has length 288 [2019-10-02 03:43:53,317 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 03:43:53,317 INFO L475 AbstractCegarLoop]: Abstraction has 3858 states and 5779 transitions. [2019-10-02 03:43:53,317 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-02 03:43:53,317 INFO L276 IsEmpty]: Start isEmpty. Operand 3858 states and 5779 transitions. [2019-10-02 03:43:53,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 303 [2019-10-02 03:43:53,331 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 03:43:53,332 INFO L411 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] [2019-10-02 03:43:53,332 INFO L418 AbstractCegarLoop]: === Iteration 14 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 03:43:53,332 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 03:43:53,332 INFO L82 PathProgramCache]: Analyzing trace with hash 1253904712, now seen corresponding path program 1 times [2019-10-02 03:43:53,333 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 03:43:53,333 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 03:43:53,355 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 03:43:53,355 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 03:43:53,355 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 03:43:56,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 03:43:57,301 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 140 trivial. 0 not checked. [2019-10-02 03:43:57,301 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 03:43:57,301 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-02 03:43:57,303 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-02 03:43:57,304 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-02 03:43:57,304 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-10-02 03:43:57,304 INFO L87 Difference]: Start difference. First operand 3858 states and 5779 transitions. Second operand 6 states. [2019-10-02 03:44:30,063 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 03:44:30,064 INFO L93 Difference]: Finished difference Result 7716 states and 11584 transitions. [2019-10-02 03:44:30,066 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-02 03:44:30,066 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 302 [2019-10-02 03:44:30,066 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 03:44:30,080 INFO L225 Difference]: With dead ends: 7716 [2019-10-02 03:44:30,081 INFO L226 Difference]: Without dead ends: 3880 [2019-10-02 03:44:30,091 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2019-10-02 03:44:30,096 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3880 states. [2019-10-02 03:44:30,313 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3880 to 3862. [2019-10-02 03:44:30,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3862 states. [2019-10-02 03:44:30,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3862 states to 3862 states and 5783 transitions. [2019-10-02 03:44:30,327 INFO L78 Accepts]: Start accepts. Automaton has 3862 states and 5783 transitions. Word has length 302 [2019-10-02 03:44:30,330 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 03:44:30,330 INFO L475 AbstractCegarLoop]: Abstraction has 3862 states and 5783 transitions. [2019-10-02 03:44:30,330 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-02 03:44:30,330 INFO L276 IsEmpty]: Start isEmpty. Operand 3862 states and 5783 transitions. [2019-10-02 03:44:30,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 301 [2019-10-02 03:44:30,343 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 03:44:30,343 INFO L411 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] [2019-10-02 03:44:30,344 INFO L418 AbstractCegarLoop]: === Iteration 15 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 03:44:30,344 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 03:44:30,344 INFO L82 PathProgramCache]: Analyzing trace with hash -2032341904, now seen corresponding path program 1 times [2019-10-02 03:44:30,344 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 03:44:30,344 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 03:44:30,366 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 03:44:30,366 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 03:44:30,366 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 03:44:32,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 03:44:32,788 INFO L134 CoverageAnalysis]: Checked inductivity of 181 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 143 trivial. 0 not checked. [2019-10-02 03:44:32,788 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 03:44:32,788 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-02 03:44:32,789 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-02 03:44:32,789 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-02 03:44:32,790 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-02 03:44:32,790 INFO L87 Difference]: Start difference. First operand 3862 states and 5783 transitions. Second operand 5 states. [2019-10-02 03:45:14,919 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 03:45:14,920 INFO L93 Difference]: Finished difference Result 7724 states and 11590 transitions. [2019-10-02 03:45:14,920 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-02 03:45:14,920 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 300 [2019-10-02 03:45:14,921 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 03:45:14,932 INFO L225 Difference]: With dead ends: 7724 [2019-10-02 03:45:14,933 INFO L226 Difference]: Without dead ends: 3884 [2019-10-02 03:45:14,943 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-10-02 03:45:14,949 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3884 states. [2019-10-02 03:45:15,154 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3884 to 3862. [2019-10-02 03:45:15,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3862 states. [2019-10-02 03:45:15,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3862 states to 3862 states and 5783 transitions. [2019-10-02 03:45:15,168 INFO L78 Accepts]: Start accepts. Automaton has 3862 states and 5783 transitions. Word has length 300 [2019-10-02 03:45:15,168 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 03:45:15,168 INFO L475 AbstractCegarLoop]: Abstraction has 3862 states and 5783 transitions. [2019-10-02 03:45:15,168 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-02 03:45:15,168 INFO L276 IsEmpty]: Start isEmpty. Operand 3862 states and 5783 transitions. [2019-10-02 03:45:15,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 315 [2019-10-02 03:45:15,184 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 03:45:15,184 INFO L411 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] [2019-10-02 03:45:15,185 INFO L418 AbstractCegarLoop]: === Iteration 16 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 03:45:15,186 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 03:45:15,186 INFO L82 PathProgramCache]: Analyzing trace with hash 1954258152, now seen corresponding path program 1 times [2019-10-02 03:45:15,186 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 03:45:15,186 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 03:45:15,209 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 03:45:15,210 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 03:45:15,210 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 03:45:17,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 03:45:18,494 INFO L134 CoverageAnalysis]: Checked inductivity of 188 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 143 trivial. 0 not checked. [2019-10-02 03:45:18,497 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 03:45:18,497 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-02 03:45:18,497 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-02 03:45:18,498 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-02 03:45:18,498 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-02 03:45:18,498 INFO L87 Difference]: Start difference. First operand 3862 states and 5783 transitions. Second operand 5 states. [2019-10-02 03:46:00,413 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 03:46:00,414 INFO L93 Difference]: Finished difference Result 7724 states and 11590 transitions. [2019-10-02 03:46:00,414 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-02 03:46:00,414 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 314 [2019-10-02 03:46:00,415 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 03:46:00,424 INFO L225 Difference]: With dead ends: 7724 [2019-10-02 03:46:00,425 INFO L226 Difference]: Without dead ends: 3884 [2019-10-02 03:46:00,434 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-10-02 03:46:00,438 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3884 states. [2019-10-02 03:46:00,602 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3884 to 3862. [2019-10-02 03:46:00,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3862 states. [2019-10-02 03:46:00,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3862 states to 3862 states and 5783 transitions. [2019-10-02 03:46:00,616 INFO L78 Accepts]: Start accepts. Automaton has 3862 states and 5783 transitions. Word has length 314 [2019-10-02 03:46:00,616 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 03:46:00,616 INFO L475 AbstractCegarLoop]: Abstraction has 3862 states and 5783 transitions. [2019-10-02 03:46:00,616 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-02 03:46:00,617 INFO L276 IsEmpty]: Start isEmpty. Operand 3862 states and 5783 transitions. [2019-10-02 03:46:00,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 321 [2019-10-02 03:46:00,629 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 03:46:00,629 INFO L411 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] [2019-10-02 03:46:00,630 INFO L418 AbstractCegarLoop]: === Iteration 17 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 03:46:00,630 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 03:46:00,630 INFO L82 PathProgramCache]: Analyzing trace with hash 1276006654, now seen corresponding path program 1 times [2019-10-02 03:46:00,630 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 03:46:00,630 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 03:46:00,651 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 03:46:00,651 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 03:46:00,651 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 03:46:00,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 03:46:01,424 INFO L134 CoverageAnalysis]: Checked inductivity of 191 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 160 trivial. 0 not checked. [2019-10-02 03:46:01,424 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 03:46:01,424 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-02 03:46:01,426 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-02 03:46:01,427 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-02 03:46:01,427 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 03:46:01,427 INFO L87 Difference]: Start difference. First operand 3862 states and 5783 transitions. Second operand 3 states. [2019-10-02 03:46:01,759 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 03:46:01,759 INFO L93 Difference]: Finished difference Result 7774 states and 11670 transitions. [2019-10-02 03:46:01,760 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-02 03:46:01,760 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 320 [2019-10-02 03:46:01,760 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 03:46:01,768 INFO L225 Difference]: With dead ends: 7774 [2019-10-02 03:46:01,768 INFO L226 Difference]: Without dead ends: 3934 [2019-10-02 03:46:01,778 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 03:46:01,783 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3934 states. [2019-10-02 03:46:01,951 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3934 to 3924. [2019-10-02 03:46:01,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3924 states. [2019-10-02 03:46:01,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3924 states to 3924 states and 5843 transitions. [2019-10-02 03:46:01,964 INFO L78 Accepts]: Start accepts. Automaton has 3924 states and 5843 transitions. Word has length 320 [2019-10-02 03:46:01,965 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 03:46:01,965 INFO L475 AbstractCegarLoop]: Abstraction has 3924 states and 5843 transitions. [2019-10-02 03:46:01,965 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-02 03:46:01,965 INFO L276 IsEmpty]: Start isEmpty. Operand 3924 states and 5843 transitions. [2019-10-02 03:46:01,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 321 [2019-10-02 03:46:01,976 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 03:46:01,977 INFO L411 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] [2019-10-02 03:46:01,977 INFO L418 AbstractCegarLoop]: === Iteration 18 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 03:46:01,977 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 03:46:01,978 INFO L82 PathProgramCache]: Analyzing trace with hash -1423113590, now seen corresponding path program 1 times [2019-10-02 03:46:01,978 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 03:46:01,978 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 03:46:01,998 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 03:46:01,998 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 03:46:01,998 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 03:46:04,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 03:46:05,049 INFO L134 CoverageAnalysis]: Checked inductivity of 191 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 140 trivial. 0 not checked. [2019-10-02 03:46:05,049 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 03:46:05,049 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-02 03:46:05,053 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-02 03:46:05,054 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-02 03:46:05,054 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-10-02 03:46:05,054 INFO L87 Difference]: Start difference. First operand 3924 states and 5843 transitions. Second operand 6 states. [2019-10-02 03:46:45,122 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 03:46:45,123 INFO L93 Difference]: Finished difference Result 7876 states and 11758 transitions. [2019-10-02 03:46:45,123 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-02 03:46:45,123 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 320 [2019-10-02 03:46:45,123 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 03:46:45,133 INFO L225 Difference]: With dead ends: 7876 [2019-10-02 03:46:45,133 INFO L226 Difference]: Without dead ends: 3974 [2019-10-02 03:46:45,140 INFO L640 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 [2019-10-02 03:46:45,146 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3974 states. [2019-10-02 03:46:45,280 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3974 to 3956. [2019-10-02 03:46:45,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3956 states. [2019-10-02 03:46:45,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3956 states to 3956 states and 5895 transitions. [2019-10-02 03:46:45,292 INFO L78 Accepts]: Start accepts. Automaton has 3956 states and 5895 transitions. Word has length 320 [2019-10-02 03:46:45,292 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 03:46:45,292 INFO L475 AbstractCegarLoop]: Abstraction has 3956 states and 5895 transitions. [2019-10-02 03:46:45,292 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-02 03:46:45,293 INFO L276 IsEmpty]: Start isEmpty. Operand 3956 states and 5895 transitions. [2019-10-02 03:46:45,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 329 [2019-10-02 03:46:45,304 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 03:46:45,305 INFO L411 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] [2019-10-02 03:46:45,305 INFO L418 AbstractCegarLoop]: === Iteration 19 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 03:46:45,305 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 03:46:45,305 INFO L82 PathProgramCache]: Analyzing trace with hash 1192347706, now seen corresponding path program 1 times [2019-10-02 03:46:45,305 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 03:46:45,305 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 03:46:45,324 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 03:46:45,325 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 03:46:45,325 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 03:46:47,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 03:46:47,857 INFO L134 CoverageAnalysis]: Checked inductivity of 195 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 140 trivial. 0 not checked. [2019-10-02 03:46:47,857 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 03:46:47,857 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-02 03:46:47,858 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-02 03:46:47,858 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-02 03:46:47,858 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-10-02 03:46:47,859 INFO L87 Difference]: Start difference. First operand 3956 states and 5895 transitions. Second operand 6 states. [2019-10-02 03:47:21,276 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 03:47:21,277 INFO L93 Difference]: Finished difference Result 7912 states and 11816 transitions. [2019-10-02 03:47:21,277 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-02 03:47:21,277 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 328 [2019-10-02 03:47:21,278 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 03:47:21,290 INFO L225 Difference]: With dead ends: 7912 [2019-10-02 03:47:21,290 INFO L226 Difference]: Without dead ends: 3978 [2019-10-02 03:47:21,300 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2019-10-02 03:47:21,305 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3978 states. [2019-10-02 03:47:21,470 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3978 to 3960. [2019-10-02 03:47:21,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3960 states. [2019-10-02 03:47:21,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3960 states to 3960 states and 5899 transitions. [2019-10-02 03:47:21,481 INFO L78 Accepts]: Start accepts. Automaton has 3960 states and 5899 transitions. Word has length 328 [2019-10-02 03:47:21,481 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 03:47:21,481 INFO L475 AbstractCegarLoop]: Abstraction has 3960 states and 5899 transitions. [2019-10-02 03:47:21,481 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-02 03:47:21,481 INFO L276 IsEmpty]: Start isEmpty. Operand 3960 states and 5899 transitions. [2019-10-02 03:47:21,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 333 [2019-10-02 03:47:21,494 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 03:47:21,494 INFO L411 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] [2019-10-02 03:47:21,494 INFO L418 AbstractCegarLoop]: === Iteration 20 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 03:47:21,495 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 03:47:21,495 INFO L82 PathProgramCache]: Analyzing trace with hash -604617984, now seen corresponding path program 1 times [2019-10-02 03:47:21,495 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 03:47:21,495 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 03:47:21,515 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 03:47:21,516 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 03:47:21,516 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 03:47:24,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 03:47:24,657 INFO L134 CoverageAnalysis]: Checked inductivity of 197 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 143 trivial. 0 not checked. [2019-10-02 03:47:24,658 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 03:47:24,658 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-02 03:47:24,658 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-02 03:47:24,659 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-02 03:47:24,659 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-02 03:47:24,659 INFO L87 Difference]: Start difference. First operand 3960 states and 5899 transitions. Second operand 5 states. [2019-10-02 03:48:05,765 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 03:48:05,765 INFO L93 Difference]: Finished difference Result 7920 states and 11822 transitions. [2019-10-02 03:48:05,766 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-02 03:48:05,766 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 332 [2019-10-02 03:48:05,766 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 03:48:05,778 INFO L225 Difference]: With dead ends: 7920 [2019-10-02 03:48:05,778 INFO L226 Difference]: Without dead ends: 3982 [2019-10-02 03:48:05,786 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-10-02 03:48:05,789 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3982 states. [2019-10-02 03:48:05,917 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3982 to 3960. [2019-10-02 03:48:05,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3960 states. [2019-10-02 03:48:05,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3960 states to 3960 states and 5899 transitions. [2019-10-02 03:48:05,927 INFO L78 Accepts]: Start accepts. Automaton has 3960 states and 5899 transitions. Word has length 332 [2019-10-02 03:48:05,927 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 03:48:05,927 INFO L475 AbstractCegarLoop]: Abstraction has 3960 states and 5899 transitions. [2019-10-02 03:48:05,927 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-02 03:48:05,927 INFO L276 IsEmpty]: Start isEmpty. Operand 3960 states and 5899 transitions. [2019-10-02 03:48:05,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 349 [2019-10-02 03:48:05,936 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 03:48:05,936 INFO L411 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] [2019-10-02 03:48:05,936 INFO L418 AbstractCegarLoop]: === Iteration 21 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 03:48:05,936 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 03:48:05,936 INFO L82 PathProgramCache]: Analyzing trace with hash 1198320388, now seen corresponding path program 1 times [2019-10-02 03:48:05,937 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 03:48:05,937 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 03:48:05,951 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 03:48:05,951 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 03:48:05,951 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 03:48:07,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 03:48:07,667 INFO L134 CoverageAnalysis]: Checked inductivity of 401 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 366 trivial. 0 not checked. [2019-10-02 03:48:07,667 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 03:48:07,667 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-02 03:48:07,668 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-02 03:48:07,668 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-02 03:48:07,668 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 03:48:07,668 INFO L87 Difference]: Start difference. First operand 3960 states and 5899 transitions. Second operand 3 states. [2019-10-02 03:48:07,771 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 03:48:07,772 INFO L93 Difference]: Finished difference Result 7912 states and 11816 transitions. [2019-10-02 03:48:07,772 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-02 03:48:07,772 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 348 [2019-10-02 03:48:07,773 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 03:48:07,781 INFO L225 Difference]: With dead ends: 7912 [2019-10-02 03:48:07,781 INFO L226 Difference]: Without dead ends: 3974 [2019-10-02 03:48:07,788 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 03:48:07,791 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3974 states. [2019-10-02 03:48:07,939 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3974 to 3962. [2019-10-02 03:48:07,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3962 states. [2019-10-02 03:48:07,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3962 states to 3962 states and 5901 transitions. [2019-10-02 03:48:07,950 INFO L78 Accepts]: Start accepts. Automaton has 3962 states and 5901 transitions. Word has length 348 [2019-10-02 03:48:07,951 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 03:48:07,951 INFO L475 AbstractCegarLoop]: Abstraction has 3962 states and 5901 transitions. [2019-10-02 03:48:07,951 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-02 03:48:07,951 INFO L276 IsEmpty]: Start isEmpty. Operand 3962 states and 5901 transitions. [2019-10-02 03:48:07,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 341 [2019-10-02 03:48:07,963 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 03:48:07,963 INFO L411 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] [2019-10-02 03:48:07,964 INFO L418 AbstractCegarLoop]: === Iteration 22 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 03:48:07,964 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 03:48:07,964 INFO L82 PathProgramCache]: Analyzing trace with hash 2095543536, now seen corresponding path program 1 times [2019-10-02 03:48:07,964 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 03:48:07,964 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 03:48:07,983 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 03:48:07,984 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 03:48:07,984 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 03:48:09,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 03:48:10,123 INFO L134 CoverageAnalysis]: Checked inductivity of 201 backedges. 58 proven. 0 refuted. 0 times theorem prover too weak. 143 trivial. 0 not checked. [2019-10-02 03:48:10,123 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 03:48:10,123 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-02 03:48:10,124 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-02 03:48:10,124 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-02 03:48:10,124 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-02 03:48:10,124 INFO L87 Difference]: Start difference. First operand 3962 states and 5901 transitions. Second operand 5 states. [2019-10-02 03:48:52,606 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 03:48:52,606 INFO L93 Difference]: Finished difference Result 7924 states and 11826 transitions. [2019-10-02 03:48:52,608 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-02 03:48:52,609 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 340 [2019-10-02 03:48:52,609 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 03:48:52,618 INFO L225 Difference]: With dead ends: 7924 [2019-10-02 03:48:52,618 INFO L226 Difference]: Without dead ends: 3984 [2019-10-02 03:48:52,626 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-10-02 03:48:52,629 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3984 states. [2019-10-02 03:48:52,757 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3984 to 3962. [2019-10-02 03:48:52,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3962 states. [2019-10-02 03:48:52,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3962 states to 3962 states and 5901 transitions. [2019-10-02 03:48:52,768 INFO L78 Accepts]: Start accepts. Automaton has 3962 states and 5901 transitions. Word has length 340 [2019-10-02 03:48:52,769 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 03:48:52,769 INFO L475 AbstractCegarLoop]: Abstraction has 3962 states and 5901 transitions. [2019-10-02 03:48:52,769 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-02 03:48:52,769 INFO L276 IsEmpty]: Start isEmpty. Operand 3962 states and 5901 transitions. [2019-10-02 03:48:52,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 339 [2019-10-02 03:48:52,777 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 03:48:52,778 INFO L411 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] [2019-10-02 03:48:52,778 INFO L418 AbstractCegarLoop]: === Iteration 23 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 03:48:52,778 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 03:48:52,778 INFO L82 PathProgramCache]: Analyzing trace with hash -1236937784, now seen corresponding path program 1 times [2019-10-02 03:48:52,778 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 03:48:52,778 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 03:48:52,794 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 03:48:52,794 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 03:48:52,794 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 03:48:55,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 03:48:55,541 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 140 trivial. 0 not checked. [2019-10-02 03:48:55,541 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 03:48:55,542 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-02 03:48:55,542 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-02 03:48:55,542 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-02 03:48:55,543 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-10-02 03:48:55,543 INFO L87 Difference]: Start difference. First operand 3962 states and 5901 transitions. Second operand 6 states. [2019-10-02 03:49:38,842 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 03:49:38,842 INFO L93 Difference]: Finished difference Result 7924 states and 11828 transitions. [2019-10-02 03:49:38,842 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-02 03:49:38,843 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 338 [2019-10-02 03:49:38,843 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 03:49:38,852 INFO L225 Difference]: With dead ends: 7924 [2019-10-02 03:49:38,852 INFO L226 Difference]: Without dead ends: 3984 [2019-10-02 03:49:38,859 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2019-10-02 03:49:38,862 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3984 states. [2019-10-02 03:49:39,034 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3984 to 3966. [2019-10-02 03:49:39,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3966 states. [2019-10-02 03:49:39,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3966 states to 3966 states and 5905 transitions. [2019-10-02 03:49:39,049 INFO L78 Accepts]: Start accepts. Automaton has 3966 states and 5905 transitions. Word has length 338 [2019-10-02 03:49:39,050 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 03:49:39,050 INFO L475 AbstractCegarLoop]: Abstraction has 3966 states and 5905 transitions. [2019-10-02 03:49:39,050 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-02 03:49:39,050 INFO L276 IsEmpty]: Start isEmpty. Operand 3966 states and 5905 transitions. [2019-10-02 03:49:39,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 341 [2019-10-02 03:49:39,062 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 03:49:39,062 INFO L411 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] [2019-10-02 03:49:39,062 INFO L418 AbstractCegarLoop]: === Iteration 24 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 03:49:39,062 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 03:49:39,063 INFO L82 PathProgramCache]: Analyzing trace with hash 1983005216, now seen corresponding path program 1 times [2019-10-02 03:49:39,063 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 03:49:39,063 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 03:49:39,082 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 03:49:39,083 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 03:49:39,083 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 03:49:41,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 03:49:41,968 INFO L134 CoverageAnalysis]: Checked inductivity of 201 backedges. 61 proven. 0 refuted. 0 times theorem prover too weak. 140 trivial. 0 not checked. [2019-10-02 03:49:41,971 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 03:49:41,971 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-02 03:49:41,972 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-02 03:49:41,974 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-02 03:49:41,978 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-10-02 03:49:41,978 INFO L87 Difference]: Start difference. First operand 3966 states and 5905 transitions. Second operand 6 states. [2019-10-02 03:50:26,971 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 03:50:26,971 INFO L93 Difference]: Finished difference Result 7932 states and 11836 transitions. [2019-10-02 03:50:26,972 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-02 03:50:26,972 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 340 [2019-10-02 03:50:26,972 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 03:50:26,982 INFO L225 Difference]: With dead ends: 7932 [2019-10-02 03:50:26,982 INFO L226 Difference]: Without dead ends: 3988 [2019-10-02 03:50:26,990 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2019-10-02 03:50:26,994 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3988 states. [2019-10-02 03:50:27,118 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3988 to 3970. [2019-10-02 03:50:27,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3970 states. [2019-10-02 03:50:27,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3970 states to 3970 states and 5909 transitions. [2019-10-02 03:50:27,128 INFO L78 Accepts]: Start accepts. Automaton has 3970 states and 5909 transitions. Word has length 340 [2019-10-02 03:50:27,128 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 03:50:27,128 INFO L475 AbstractCegarLoop]: Abstraction has 3970 states and 5909 transitions. [2019-10-02 03:50:27,129 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-02 03:50:27,129 INFO L276 IsEmpty]: Start isEmpty. Operand 3970 states and 5909 transitions. [2019-10-02 03:50:27,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 343 [2019-10-02 03:50:27,140 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 03:50:27,140 INFO L411 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] [2019-10-02 03:50:27,140 INFO L418 AbstractCegarLoop]: === Iteration 25 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 03:50:27,141 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 03:50:27,141 INFO L82 PathProgramCache]: Analyzing trace with hash 555245416, now seen corresponding path program 1 times [2019-10-02 03:50:27,141 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 03:50:27,141 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 03:50:27,158 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 03:50:27,159 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 03:50:27,159 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 03:50:29,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 03:50:29,882 INFO L134 CoverageAnalysis]: Checked inductivity of 202 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 140 trivial. 0 not checked. [2019-10-02 03:50:29,883 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 03:50:29,883 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-02 03:50:29,883 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-02 03:50:29,884 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-02 03:50:29,884 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-10-02 03:50:29,884 INFO L87 Difference]: Start difference. First operand 3970 states and 5909 transitions. Second operand 6 states. [2019-10-02 03:51:10,858 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 03:51:10,859 INFO L93 Difference]: Finished difference Result 7968 states and 11890 transitions. [2019-10-02 03:51:10,859 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-02 03:51:10,860 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 342 [2019-10-02 03:51:10,860 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 03:51:10,870 INFO L225 Difference]: With dead ends: 7968 [2019-10-02 03:51:10,870 INFO L226 Difference]: Without dead ends: 4020 [2019-10-02 03:51:10,877 INFO L640 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 [2019-10-02 03:51:10,881 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4020 states. [2019-10-02 03:51:11,007 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4020 to 4002. [2019-10-02 03:51:11,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4002 states. [2019-10-02 03:51:11,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4002 states to 4002 states and 5961 transitions. [2019-10-02 03:51:11,021 INFO L78 Accepts]: Start accepts. Automaton has 4002 states and 5961 transitions. Word has length 342 [2019-10-02 03:51:11,021 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 03:51:11,021 INFO L475 AbstractCegarLoop]: Abstraction has 4002 states and 5961 transitions. [2019-10-02 03:51:11,022 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-02 03:51:11,022 INFO L276 IsEmpty]: Start isEmpty. Operand 4002 states and 5961 transitions. [2019-10-02 03:51:11,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 363 [2019-10-02 03:51:11,033 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 03:51:11,033 INFO L411 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, 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] [2019-10-02 03:51:11,034 INFO L418 AbstractCegarLoop]: === Iteration 26 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 03:51:11,034 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 03:51:11,034 INFO L82 PathProgramCache]: Analyzing trace with hash 262162216, now seen corresponding path program 1 times [2019-10-02 03:51:11,034 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 03:51:11,034 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 03:51:11,052 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 03:51:11,053 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 03:51:11,053 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 03:51:12,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 03:51:12,578 INFO L134 CoverageAnalysis]: Checked inductivity of 408 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 357 trivial. 0 not checked. [2019-10-02 03:51:12,578 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 03:51:12,579 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-02 03:51:12,580 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-02 03:51:12,580 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-02 03:51:12,580 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 03:51:12,580 INFO L87 Difference]: Start difference. First operand 4002 states and 5961 transitions. Second operand 3 states. [2019-10-02 03:51:12,743 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 03:51:12,744 INFO L93 Difference]: Finished difference Result 7994 states and 11936 transitions. [2019-10-02 03:51:12,744 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-02 03:51:12,744 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 362 [2019-10-02 03:51:12,745 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 03:51:12,756 INFO L225 Difference]: With dead ends: 7994 [2019-10-02 03:51:12,756 INFO L226 Difference]: Without dead ends: 4014 [2019-10-02 03:51:12,767 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 03:51:12,772 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4014 states. [2019-10-02 03:51:12,915 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4014 to 4004. [2019-10-02 03:51:12,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4004 states. [2019-10-02 03:51:12,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4004 states to 4004 states and 5963 transitions. [2019-10-02 03:51:12,925 INFO L78 Accepts]: Start accepts. Automaton has 4004 states and 5963 transitions. Word has length 362 [2019-10-02 03:51:12,925 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 03:51:12,925 INFO L475 AbstractCegarLoop]: Abstraction has 4004 states and 5963 transitions. [2019-10-02 03:51:12,925 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-02 03:51:12,925 INFO L276 IsEmpty]: Start isEmpty. Operand 4004 states and 5963 transitions. [2019-10-02 03:51:12,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 361 [2019-10-02 03:51:12,933 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 03:51:12,934 INFO L411 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, 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] [2019-10-02 03:51:12,934 INFO L418 AbstractCegarLoop]: === Iteration 27 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 03:51:12,934 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 03:51:12,934 INFO L82 PathProgramCache]: Analyzing trace with hash 746463182, now seen corresponding path program 1 times [2019-10-02 03:51:12,934 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 03:51:12,934 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 03:51:13,161 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 03:51:13,161 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 03:51:13,161 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 03:51:15,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 03:51:17,217 WARN L191 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 32 [2019-10-02 03:51:19,577 WARN L191 SmtUtils]: Spent 2.29 s on a formula simplification. DAG size of input: 243 DAG size of output: 115 [2019-10-02 03:51:21,888 WARN L191 SmtUtils]: Spent 2.26 s on a formula simplification. DAG size of input: 253 DAG size of output: 120 [2019-10-02 03:51:22,158 WARN L191 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 19 [2019-10-02 03:51:22,347 WARN L191 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 9 [2019-10-02 03:51:22,658 INFO L134 CoverageAnalysis]: Checked inductivity of 407 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 351 trivial. 0 not checked. [2019-10-02 03:51:22,658 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 03:51:22,658 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-02 03:51:22,658 INFO L454 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-02 03:51:22,659 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-02 03:51:22,659 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-10-02 03:51:22,659 INFO L87 Difference]: Start difference. First operand 4004 states and 5963 transitions. Second operand 7 states.