java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--input--joystick--analog.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f4eb214f-m [2019-10-13 18:33:03,472 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-13 18:33:03,475 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-13 18:33:03,491 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-13 18:33:03,492 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-13 18:33:03,493 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-13 18:33:03,494 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-13 18:33:03,496 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-13 18:33:03,500 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-13 18:33:03,501 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-13 18:33:03,502 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-13 18:33:03,503 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-13 18:33:03,503 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-13 18:33:03,504 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-13 18:33:03,505 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-13 18:33:03,506 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-13 18:33:03,507 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-13 18:33:03,508 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-13 18:33:03,510 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-13 18:33:03,512 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-13 18:33:03,517 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-13 18:33:03,520 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-13 18:33:03,521 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-13 18:33:03,522 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-13 18:33:03,524 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-13 18:33:03,525 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-13 18:33:03,525 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-13 18:33:03,527 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-13 18:33:03,528 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-13 18:33:03,530 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-13 18:33:03,530 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-13 18:33:03,531 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-13 18:33:03,533 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-13 18:33:03,534 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-13 18:33:03,536 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-13 18:33:03,536 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-13 18:33:03,539 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-13 18:33:03,539 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-13 18:33:03,539 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-13 18:33:03,541 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-13 18:33:03,542 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-13 18:33:03,542 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 [2019-10-13 18:33:03,566 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-13 18:33:03,566 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-13 18:33:03,568 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-13 18:33:03,568 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-13 18:33:03,569 INFO L138 SettingsManager]: * Use SBE=true [2019-10-13 18:33:03,569 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-13 18:33:03,569 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-13 18:33:03,569 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-13 18:33:03,569 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-13 18:33:03,570 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-13 18:33:03,571 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-13 18:33:03,571 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-13 18:33:03,571 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-13 18:33:03,572 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-13 18:33:03,572 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-13 18:33:03,572 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-13 18:33:03,572 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-13 18:33:03,572 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-13 18:33:03,573 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-13 18:33:03,573 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-13 18:33:03,573 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-13 18:33:03,573 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 18:33:03,574 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-13 18:33:03,574 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-13 18:33:03,574 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-13 18:33:03,574 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-13 18:33:03,574 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-13 18:33:03,575 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-13 18:33:03,575 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-13 18:33:03,838 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-13 18:33:03,855 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-13 18:33:03,859 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-13 18:33:03,861 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-13 18:33:03,861 INFO L275 PluginConnector]: CDTParser initialized [2019-10-13 18:33:03,862 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--input--joystick--analog.ko-entry_point.cil.out.i [2019-10-13 18:33:03,939 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6a74eeda7/1250dbae78fb49ec88ceabfdb2306e2c/FLAGb1b2fe95e [2019-10-13 18:33:04,693 INFO L306 CDTParser]: Found 1 translation units. [2019-10-13 18:33:04,695 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--input--joystick--analog.ko-entry_point.cil.out.i [2019-10-13 18:33:04,728 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6a74eeda7/1250dbae78fb49ec88ceabfdb2306e2c/FLAGb1b2fe95e [2019-10-13 18:33:04,835 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6a74eeda7/1250dbae78fb49ec88ceabfdb2306e2c [2019-10-13 18:33:04,847 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-13 18:33:04,849 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-13 18:33:04,850 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-13 18:33:04,850 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-13 18:33:04,854 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-13 18:33:04,855 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 06:33:04" (1/1) ... [2019-10-13 18:33:04,858 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c8bf277 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:33:04, skipping insertion in model container [2019-10-13 18:33:04,858 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 06:33:04" (1/1) ... [2019-10-13 18:33:04,865 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-13 18:33:04,972 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-13 18:33:05,561 WARN L1068 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [2539] [2019-10-13 18:33:05,562 WARN L1068 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [2540-2541] [2019-10-13 18:33:06,240 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 18:33:06,262 INFO L188 MainTranslator]: Completed pre-run [2019-10-13 18:33:06,341 WARN L1068 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [2539] [2019-10-13 18:33:06,342 WARN L1068 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [2540-2541] [2019-10-13 18:33:06,542 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 18:33:06,636 INFO L192 MainTranslator]: Completed translation [2019-10-13 18:33:06,637 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:33:06 WrapperNode [2019-10-13 18:33:06,637 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-13 18:33:06,638 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-13 18:33:06,638 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-13 18:33:06,638 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-13 18:33:06,652 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:33:06" (1/1) ... [2019-10-13 18:33:06,653 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:33:06" (1/1) ... [2019-10-13 18:33:06,693 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:33:06" (1/1) ... [2019-10-13 18:33:06,694 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:33:06" (1/1) ... [2019-10-13 18:33:06,794 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:33:06" (1/1) ... [2019-10-13 18:33:06,807 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:33:06" (1/1) ... [2019-10-13 18:33:06,864 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:33:06" (1/1) ... [2019-10-13 18:33:06,905 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-13 18:33:06,907 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-13 18:33:06,911 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-13 18:33:06,911 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-13 18:33:06,912 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:33:06" (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 [2019-10-13 18:33:06,976 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-13 18:33:06,976 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-13 18:33:06,976 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2019-10-13 18:33:06,976 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2019-10-13 18:33:06,977 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2019-10-13 18:33:06,977 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2019-10-13 18:33:06,977 INFO L138 BoogieDeclarations]: Found implementation of procedure __arch_hweight32 [2019-10-13 18:33:06,977 INFO L138 BoogieDeclarations]: Found implementation of procedure __arch_hweight16 [2019-10-13 18:33:06,978 INFO L138 BoogieDeclarations]: Found implementation of procedure __arch_hweight8 [2019-10-13 18:33:06,978 INFO L138 BoogieDeclarations]: Found implementation of procedure paravirt_read_tsc [2019-10-13 18:33:06,978 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_save_flags [2019-10-13 18:33:06,978 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_restore [2019-10-13 18:33:06,978 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_disable [2019-10-13 18:33:06,979 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_save [2019-10-13 18:33:06,979 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_irqs_disabled_flags [2019-10-13 18:33:06,979 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2019-10-13 18:33:06,979 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2019-10-13 18:33:06,980 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-10-13 18:33:06,980 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-10-13 18:33:06,981 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2019-10-13 18:33:06,981 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ptr [2019-10-13 18:33:06,981 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2019-10-13 18:33:06,981 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2019-10-13 18:33:06,981 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2019-10-13 18:33:06,981 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2019-10-13 18:33:06,982 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2019-10-13 18:33:06,982 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2019-10-13 18:33:06,982 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2019-10-13 18:33:06,982 INFO L138 BoogieDeclarations]: Found implementation of procedure input_allocate_device [2019-10-13 18:33:06,982 INFO L138 BoogieDeclarations]: Found implementation of procedure input_get_drvdata [2019-10-13 18:33:06,982 INFO L138 BoogieDeclarations]: Found implementation of procedure input_set_drvdata [2019-10-13 18:33:06,982 INFO L138 BoogieDeclarations]: Found implementation of procedure input_report_key [2019-10-13 18:33:06,983 INFO L138 BoogieDeclarations]: Found implementation of procedure input_report_abs [2019-10-13 18:33:06,983 INFO L138 BoogieDeclarations]: Found implementation of procedure input_sync [2019-10-13 18:33:06,983 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_get_drvdata [2019-10-13 18:33:06,983 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_set_drvdata [2019-10-13 18:33:06,983 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_trigger [2019-10-13 18:33:06,983 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_read [2019-10-13 18:33:06,984 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_cooked_read [2019-10-13 18:33:06,984 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_calibrate [2019-10-13 18:33:06,984 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_time [2019-10-13 18:33:06,984 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_set_poll_handler [2019-10-13 18:33:06,984 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_set_poll_interval [2019-10-13 18:33:06,984 INFO L138 BoogieDeclarations]: Found implementation of procedure analog_decode [2019-10-13 18:33:06,985 INFO L138 BoogieDeclarations]: Found implementation of procedure analog_cooked_read [2019-10-13 18:33:06,985 INFO L138 BoogieDeclarations]: Found implementation of procedure analog_button_read [2019-10-13 18:33:06,985 INFO L138 BoogieDeclarations]: Found implementation of procedure analog_poll [2019-10-13 18:33:06,985 INFO L138 BoogieDeclarations]: Found implementation of procedure analog_open [2019-10-13 18:33:06,985 INFO L138 BoogieDeclarations]: Found implementation of procedure analog_close [2019-10-13 18:33:06,985 INFO L138 BoogieDeclarations]: Found implementation of procedure analog_calibrate_timer [2019-10-13 18:33:06,985 INFO L138 BoogieDeclarations]: Found implementation of procedure analog_name [2019-10-13 18:33:06,986 INFO L138 BoogieDeclarations]: Found implementation of procedure analog_init_device [2019-10-13 18:33:06,986 INFO L138 BoogieDeclarations]: Found implementation of procedure analog_init_masks [2019-10-13 18:33:06,986 INFO L138 BoogieDeclarations]: Found implementation of procedure analog_init_port [2019-10-13 18:33:06,986 INFO L138 BoogieDeclarations]: Found implementation of procedure analog_connect [2019-10-13 18:33:06,986 INFO L138 BoogieDeclarations]: Found implementation of procedure analog_disconnect [2019-10-13 18:33:06,986 INFO L138 BoogieDeclarations]: Found implementation of procedure analog_parse_options [2019-10-13 18:33:06,987 INFO L138 BoogieDeclarations]: Found implementation of procedure analog_init [2019-10-13 18:33:06,987 INFO L138 BoogieDeclarations]: Found implementation of procedure analog_exit [2019-10-13 18:33:06,987 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_gameport_driver_1 [2019-10-13 18:33:06,987 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-13 18:33:06,987 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kmem_cache_alloc_16 [2019-10-13 18:33:06,987 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2019-10-13 18:33:06,988 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2019-10-13 18:33:06,988 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags_and_return_some_page [2019-10-13 18:33:06,988 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_nonatomic [2019-10-13 18:33:06,988 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2019-10-13 18:33:06,988 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2019-10-13 18:33:06,988 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock [2019-10-13 18:33:06,988 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2019-10-13 18:33:06,989 INFO L138 BoogieDeclarations]: Found implementation of procedure __gameport_register_driver [2019-10-13 18:33:06,989 INFO L138 BoogieDeclarations]: Found implementation of procedure __udelay [2019-10-13 18:33:06,989 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_close [2019-10-13 18:33:06,989 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_open [2019-10-13 18:33:06,989 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_start_polling [2019-10-13 18:33:06,989 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_stop_polling [2019-10-13 18:33:06,990 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_unregister_driver [2019-10-13 18:33:06,990 INFO L138 BoogieDeclarations]: Found implementation of procedure input_event [2019-10-13 18:33:06,990 INFO L138 BoogieDeclarations]: Found implementation of procedure input_free_device [2019-10-13 18:33:06,990 INFO L138 BoogieDeclarations]: Found implementation of procedure input_register_device [2019-10-13 18:33:06,990 INFO L138 BoogieDeclarations]: Found implementation of procedure input_set_abs_params [2019-10-13 18:33:06,990 INFO L138 BoogieDeclarations]: Found implementation of procedure input_unregister_device [2019-10-13 18:33:06,991 INFO L138 BoogieDeclarations]: Found implementation of procedure kmem_cache_alloc [2019-10-13 18:33:06,991 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_bind_1 [2019-10-13 18:33:06,991 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-10-13 18:33:06,991 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-10-13 18:33:06,991 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_1 [2019-10-13 18:33:06,991 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_some_page [2019-10-13 18:33:06,991 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2019-10-13 18:33:06,992 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2019-10-13 18:33:06,992 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_strtoul [2019-10-13 18:33:06,992 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcat [2019-10-13 18:33:06,992 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_off [2019-10-13 18:33:06,992 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_on [2019-10-13 18:33:06,992 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-10-13 18:33:06,993 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-10-13 18:33:06,993 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-10-13 18:33:06,993 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-13 18:33:06,993 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2019-10-13 18:33:06,993 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2019-10-13 18:33:06,993 INFO L130 BoogieDeclarations]: Found specification of procedure __arch_hweight32 [2019-10-13 18:33:06,994 INFO L130 BoogieDeclarations]: Found specification of procedure __arch_hweight16 [2019-10-13 18:33:06,994 INFO L130 BoogieDeclarations]: Found specification of procedure __arch_hweight8 [2019-10-13 18:33:06,994 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2019-10-13 18:33:06,994 INFO L130 BoogieDeclarations]: Found specification of procedure simple_strtoul [2019-10-13 18:33:06,994 INFO L130 BoogieDeclarations]: Found specification of procedure snprintf [2019-10-13 18:33:06,994 INFO L130 BoogieDeclarations]: Found specification of procedure strlen [2019-10-13 18:33:06,995 INFO L130 BoogieDeclarations]: Found specification of procedure strcmp [2019-10-13 18:33:06,995 INFO L130 BoogieDeclarations]: Found specification of procedure strlcat [2019-10-13 18:33:06,995 INFO L130 BoogieDeclarations]: Found specification of procedure paravirt_read_tsc [2019-10-13 18:33:06,995 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-13 18:33:06,995 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_save_flags [2019-10-13 18:33:06,995 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_restore [2019-10-13 18:33:06,995 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_disable [2019-10-13 18:33:06,996 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_save [2019-10-13 18:33:06,996 INFO L130 BoogieDeclarations]: Found specification of procedure arch_irqs_disabled_flags [2019-10-13 18:33:06,996 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_on [2019-10-13 18:33:06,996 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_off [2019-10-13 18:33:06,996 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2019-10-13 18:33:06,996 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2019-10-13 18:33:06,997 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-10-13 18:33:06,997 INFO L130 BoogieDeclarations]: Found specification of procedure kmem_cache_alloc [2019-10-13 18:33:06,997 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kmem_cache_alloc_16 [2019-10-13 18:33:06,997 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2019-10-13 18:33:06,997 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2019-10-13 18:33:06,997 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-13 18:33:06,997 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-10-13 18:33:06,998 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-13 18:33:06,998 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-10-13 18:33:06,998 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-10-13 18:33:06,998 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-10-13 18:33:06,998 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-10-13 18:33:06,998 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-13 18:33:06,999 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-10-13 18:33:06,999 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-10-13 18:33:06,999 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2019-10-13 18:33:06,999 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ptr [2019-10-13 18:33:06,999 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2019-10-13 18:33:06,999 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2019-10-13 18:33:07,000 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2019-10-13 18:33:07,000 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2019-10-13 18:33:07,000 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_gameport_driver_1 [2019-10-13 18:33:07,000 INFO L130 BoogieDeclarations]: Found specification of procedure __udelay [2019-10-13 18:33:07,000 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2019-10-13 18:33:07,000 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2019-10-13 18:33:07,001 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2019-10-13 18:33:07,001 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2019-10-13 18:33:07,001 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-13 18:33:07,001 INFO L130 BoogieDeclarations]: Found specification of procedure input_allocate_device [2019-10-13 18:33:07,001 INFO L130 BoogieDeclarations]: Found specification of procedure input_free_device [2019-10-13 18:33:07,001 INFO L130 BoogieDeclarations]: Found specification of procedure input_get_drvdata [2019-10-13 18:33:07,001 INFO L130 BoogieDeclarations]: Found specification of procedure input_set_drvdata [2019-10-13 18:33:07,002 INFO L130 BoogieDeclarations]: Found specification of procedure input_register_device [2019-10-13 18:33:07,002 INFO L130 BoogieDeclarations]: Found specification of procedure input_unregister_device [2019-10-13 18:33:07,002 INFO L130 BoogieDeclarations]: Found specification of procedure input_event [2019-10-13 18:33:07,002 INFO L130 BoogieDeclarations]: Found specification of procedure input_report_key [2019-10-13 18:33:07,002 INFO L130 BoogieDeclarations]: Found specification of procedure input_report_abs [2019-10-13 18:33:07,002 INFO L130 BoogieDeclarations]: Found specification of procedure input_sync [2019-10-13 18:33:07,002 INFO L130 BoogieDeclarations]: Found specification of procedure input_set_abs_params [2019-10-13 18:33:07,003 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_open [2019-10-13 18:33:07,003 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_close [2019-10-13 18:33:07,003 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_get_drvdata [2019-10-13 18:33:07,003 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_set_drvdata [2019-10-13 18:33:07,003 INFO L130 BoogieDeclarations]: Found specification of procedure __gameport_register_driver [2019-10-13 18:33:07,003 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_unregister_driver [2019-10-13 18:33:07,004 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_trigger [2019-10-13 18:33:07,004 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2019-10-13 18:33:07,004 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-13 18:33:07,004 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_read [2019-10-13 18:33:07,004 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2019-10-13 18:33:07,004 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_cooked_read [2019-10-13 18:33:07,004 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2019-10-13 18:33:07,005 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_calibrate [2019-10-13 18:33:07,005 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_time [2019-10-13 18:33:07,005 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_set_poll_handler [2019-10-13 18:33:07,005 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_set_poll_interval [2019-10-13 18:33:07,005 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-13 18:33:07,005 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_start_polling [2019-10-13 18:33:07,005 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_stop_polling [2019-10-13 18:33:07,006 INFO L130 BoogieDeclarations]: Found specification of procedure analog_decode [2019-10-13 18:33:07,006 INFO L130 BoogieDeclarations]: Found specification of procedure analog_cooked_read [2019-10-13 18:33:07,006 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-13 18:33:07,006 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-13 18:33:07,006 INFO L130 BoogieDeclarations]: Found specification of procedure analog_button_read [2019-10-13 18:33:07,006 INFO L130 BoogieDeclarations]: Found specification of procedure analog_poll [2019-10-13 18:33:07,006 INFO L130 BoogieDeclarations]: Found specification of procedure analog_open [2019-10-13 18:33:07,007 INFO L130 BoogieDeclarations]: Found specification of procedure analog_close [2019-10-13 18:33:07,007 INFO L130 BoogieDeclarations]: Found specification of procedure analog_calibrate_timer [2019-10-13 18:33:07,007 INFO L130 BoogieDeclarations]: Found specification of procedure analog_name [2019-10-13 18:33:07,007 INFO L130 BoogieDeclarations]: Found specification of procedure analog_init_device [2019-10-13 18:33:07,007 INFO L130 BoogieDeclarations]: Found specification of procedure analog_init_masks [2019-10-13 18:33:07,007 INFO L130 BoogieDeclarations]: Found specification of procedure analog_init_port [2019-10-13 18:33:07,007 INFO L130 BoogieDeclarations]: Found specification of procedure analog_connect [2019-10-13 18:33:07,007 INFO L130 BoogieDeclarations]: Found specification of procedure analog_disconnect [2019-10-13 18:33:07,008 INFO L130 BoogieDeclarations]: Found specification of procedure analog_parse_options [2019-10-13 18:33:07,008 INFO L130 BoogieDeclarations]: Found specification of procedure analog_init [2019-10-13 18:33:07,008 INFO L130 BoogieDeclarations]: Found specification of procedure analog_exit [2019-10-13 18:33:07,008 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-10-13 18:33:07,008 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-10-13 18:33:07,008 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_1 [2019-10-13 18:33:07,008 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_bind_1 [2019-10-13 18:33:07,009 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-13 18:33:07,009 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_some_page [2019-10-13 18:33:07,009 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags_and_return_some_page [2019-10-13 18:33:07,009 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_nonatomic [2019-10-13 18:33:07,009 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2019-10-13 18:33:07,009 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2019-10-13 18:33:07,010 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock [2019-10-13 18:33:07,010 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-10-13 18:33:07,010 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-13 18:33:07,010 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-13 18:33:07,010 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-13 18:33:07,010 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-10-13 18:33:07,010 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-13 18:33:07,881 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2019-10-13 18:33:09,418 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-13 18:33:09,419 INFO L284 CfgBuilder]: Removed 1 assume(true) statements. [2019-10-13 18:33:09,421 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 06:33:09 BoogieIcfgContainer [2019-10-13 18:33:09,421 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-13 18:33:09,422 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-13 18:33:09,422 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-13 18:33:09,425 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-13 18:33:09,426 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 06:33:04" (1/3) ... [2019-10-13 18:33:09,426 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@57f267d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 06:33:09, skipping insertion in model container [2019-10-13 18:33:09,427 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:33:06" (2/3) ... [2019-10-13 18:33:09,427 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@57f267d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 06:33:09, skipping insertion in model container [2019-10-13 18:33:09,427 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 06:33:09" (3/3) ... [2019-10-13 18:33:09,431 INFO L109 eAbstractionObserver]: Analyzing ICFG 43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--input--joystick--analog.ko-entry_point.cil.out.i [2019-10-13 18:33:09,441 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-13 18:33:09,451 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-13 18:33:09,463 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-13 18:33:09,503 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-13 18:33:09,503 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-13 18:33:09,503 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-13 18:33:09,503 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-13 18:33:09,504 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-13 18:33:09,504 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-13 18:33:09,504 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-13 18:33:09,504 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-13 18:33:09,550 INFO L276 IsEmpty]: Start isEmpty. Operand 788 states. [2019-10-13 18:33:09,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2019-10-13 18:33:09,565 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 18:33:09,566 INFO L380 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] [2019-10-13 18:33:09,569 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 18:33:09,574 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 18:33:09,575 INFO L82 PathProgramCache]: Analyzing trace with hash 414212921, now seen corresponding path program 1 times [2019-10-13 18:33:09,584 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-13 18:33:09,584 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1576948594] [2019-10-13 18:33:09,584 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 18:33:09,585 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 18:33:09,585 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 18:33:09,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 18:33:10,651 WARN L191 SmtUtils]: Spent 569.00 ms on a formula simplification that was a NOOP. DAG size: 262 [2019-10-13 18:33:10,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 18:33:10,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 18:33:10,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 18:33:10,785 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 18:33:10,785 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1576948594] [2019-10-13 18:33:10,786 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 18:33:10,787 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-13 18:33:10,787 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1611277467] [2019-10-13 18:33:10,793 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-13 18:33:10,794 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-13 18:33:10,810 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-13 18:33:10,816 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-10-13 18:33:10,819 INFO L87 Difference]: Start difference. First operand 788 states. Second operand 5 states. [2019-10-13 18:33:11,536 WARN L191 SmtUtils]: Spent 431.00 ms on a formula simplification that was a NOOP. DAG size: 264 [2019-10-13 18:33:19,169 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 18:33:19,169 INFO L93 Difference]: Finished difference Result 1625 states and 2135 transitions. [2019-10-13 18:33:19,173 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-13 18:33:19,175 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 30 [2019-10-13 18:33:19,176 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 18:33:19,204 INFO L225 Difference]: With dead ends: 1625 [2019-10-13 18:33:19,204 INFO L226 Difference]: Without dead ends: 822 [2019-10-13 18:33:19,214 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2019-10-13 18:33:19,234 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 822 states. [2019-10-13 18:33:19,419 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 822 to 791. [2019-10-13 18:33:19,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 791 states. [2019-10-13 18:33:19,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 791 states to 791 states and 1027 transitions. [2019-10-13 18:33:19,430 INFO L78 Accepts]: Start accepts. Automaton has 791 states and 1027 transitions. Word has length 30 [2019-10-13 18:33:19,430 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 18:33:19,430 INFO L462 AbstractCegarLoop]: Abstraction has 791 states and 1027 transitions. [2019-10-13 18:33:19,431 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-13 18:33:19,431 INFO L276 IsEmpty]: Start isEmpty. Operand 791 states and 1027 transitions. [2019-10-13 18:33:19,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2019-10-13 18:33:19,434 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 18:33:19,434 INFO L380 BasicCegarLoop]: trace histogram [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] [2019-10-13 18:33:19,434 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 18:33:19,435 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 18:33:19,435 INFO L82 PathProgramCache]: Analyzing trace with hash 1342229523, now seen corresponding path program 1 times [2019-10-13 18:33:19,435 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-13 18:33:19,435 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1980046881] [2019-10-13 18:33:19,435 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 18:33:19,436 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 18:33:19,436 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 18:33:19,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 18:33:20,047 WARN L191 SmtUtils]: Spent 461.00 ms on a formula simplification that was a NOOP. DAG size: 262 [2019-10-13 18:33:20,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 18:33:20,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 18:33:20,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 18:33:20,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 18:33:20,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 18:33:20,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 18:33:20,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 18:33:20,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 18:33:20,225 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-10-13 18:33:20,226 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1980046881] [2019-10-13 18:33:20,226 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 18:33:20,226 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-13 18:33:20,227 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2061721596] [2019-10-13 18:33:20,229 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-13 18:33:20,229 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-13 18:33:20,229 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-13 18:33:20,230 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2019-10-13 18:33:20,230 INFO L87 Difference]: Start difference. First operand 791 states and 1027 transitions. Second operand 7 states. [2019-10-13 18:33:26,446 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 18:33:26,446 INFO L93 Difference]: Finished difference Result 1622 states and 2126 transitions. [2019-10-13 18:33:26,447 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-13 18:33:26,447 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 65 [2019-10-13 18:33:26,448 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 18:33:26,455 INFO L225 Difference]: With dead ends: 1622 [2019-10-13 18:33:26,455 INFO L226 Difference]: Without dead ends: 852 [2019-10-13 18:33:26,459 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-10-13 18:33:26,461 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 852 states. [2019-10-13 18:33:26,589 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 852 to 795. [2019-10-13 18:33:26,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 795 states. [2019-10-13 18:33:26,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 795 states to 795 states and 1033 transitions. [2019-10-13 18:33:26,596 INFO L78 Accepts]: Start accepts. Automaton has 795 states and 1033 transitions. Word has length 65 [2019-10-13 18:33:26,597 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 18:33:26,597 INFO L462 AbstractCegarLoop]: Abstraction has 795 states and 1033 transitions. [2019-10-13 18:33:26,597 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-13 18:33:26,597 INFO L276 IsEmpty]: Start isEmpty. Operand 795 states and 1033 transitions. [2019-10-13 18:33:26,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2019-10-13 18:33:26,607 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 18:33:26,608 INFO L380 BasicCegarLoop]: trace histogram [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] [2019-10-13 18:33:26,608 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 18:33:26,608 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 18:33:26,608 INFO L82 PathProgramCache]: Analyzing trace with hash -1808826249, now seen corresponding path program 1 times [2019-10-13 18:33:26,609 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-13 18:33:26,609 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1745618719] [2019-10-13 18:33:26,610 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 18:33:26,610 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 18:33:26,610 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 18:33:26,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 18:33:27,175 WARN L191 SmtUtils]: Spent 418.00 ms on a formula simplification that was a NOOP. DAG size: 262 [2019-10-13 18:33:27,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 18:33:27,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 18:33:27,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 18:33:27,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 18:33:27,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 18:33:27,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 18:33:27,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 18:33:27,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 18:33:27,339 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-10-13 18:33:27,340 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1745618719] [2019-10-13 18:33:27,341 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 18:33:27,341 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-13 18:33:27,342 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1100293343] [2019-10-13 18:33:27,342 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-13 18:33:27,343 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-13 18:33:27,343 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-13 18:33:27,343 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2019-10-13 18:33:27,343 INFO L87 Difference]: Start difference. First operand 795 states and 1033 transitions. Second operand 7 states. [2019-10-13 18:33:28,606 WARN L191 SmtUtils]: Spent 482.00 ms on a formula simplification that was a NOOP. DAG size: 264 [2019-10-13 18:33:33,927 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 18:33:33,927 INFO L93 Difference]: Finished difference Result 1659 states and 2170 transitions. [2019-10-13 18:33:33,928 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-13 18:33:33,928 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 67 [2019-10-13 18:33:33,929 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 18:33:33,937 INFO L225 Difference]: With dead ends: 1659 [2019-10-13 18:33:33,938 INFO L226 Difference]: Without dead ends: 885 [2019-10-13 18:33:33,942 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2019-10-13 18:33:33,944 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 885 states. [2019-10-13 18:33:34,065 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 885 to 854. [2019-10-13 18:33:34,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 854 states. [2019-10-13 18:33:34,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 854 states to 854 states and 1111 transitions. [2019-10-13 18:33:34,071 INFO L78 Accepts]: Start accepts. Automaton has 854 states and 1111 transitions. Word has length 67 [2019-10-13 18:33:34,072 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 18:33:34,072 INFO L462 AbstractCegarLoop]: Abstraction has 854 states and 1111 transitions. [2019-10-13 18:33:34,072 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-13 18:33:34,072 INFO L276 IsEmpty]: Start isEmpty. Operand 854 states and 1111 transitions. [2019-10-13 18:33:34,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2019-10-13 18:33:34,073 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 18:33:34,073 INFO L380 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 18:33:34,074 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 18:33:34,074 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 18:33:34,074 INFO L82 PathProgramCache]: Analyzing trace with hash -428344885, now seen corresponding path program 1 times [2019-10-13 18:33:34,074 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-13 18:33:34,075 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1957943834] [2019-10-13 18:33:34,075 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 18:33:34,075 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 18:33:34,075 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 18:33:34,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 18:33:34,691 WARN L191 SmtUtils]: Spent 465.00 ms on a formula simplification that was a NOOP. DAG size: 262 [2019-10-13 18:33:34,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 18:33:34,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 18:33:34,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 18:33:34,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 18:33:34,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 18:33:34,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 18:33:34,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 18:33:34,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 18:33:34,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 18:33:34,867 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2019-10-13 18:33:34,868 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1957943834] [2019-10-13 18:33:34,868 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 18:33:34,868 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-13 18:33:34,868 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1767773761] [2019-10-13 18:33:34,869 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-13 18:33:34,869 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-13 18:33:34,870 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-13 18:33:34,870 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2019-10-13 18:33:34,870 INFO L87 Difference]: Start difference. First operand 854 states and 1111 transitions. Second operand 7 states. [2019-10-13 18:33:35,798 WARN L191 SmtUtils]: Spent 430.00 ms on a formula simplification that was a NOOP. DAG size: 264 [2019-10-13 18:33:40,070 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 18:33:40,070 INFO L93 Difference]: Finished difference Result 885 states and 1154 transitions. [2019-10-13 18:33:40,070 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-13 18:33:40,070 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 80 [2019-10-13 18:33:40,071 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 18:33:40,071 INFO L225 Difference]: With dead ends: 885 [2019-10-13 18:33:40,071 INFO L226 Difference]: Without dead ends: 0 [2019-10-13 18:33:40,074 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=37, Invalid=53, Unknown=0, NotChecked=0, Total=90 [2019-10-13 18:33:40,075 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-13 18:33:40,075 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-13 18:33:40,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-13 18:33:40,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-13 18:33:40,076 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 80 [2019-10-13 18:33:40,076 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 18:33:40,076 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-13 18:33:40,076 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-13 18:33:40,076 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-13 18:33:40,076 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-13 18:33:40,081 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-13 18:33:40,672 WARN L191 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 264