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 --abstractinterpretationv2.abstract.domain IntervalDomain --traceabstraction.trace.refinement.strategy TAIPAN --traceabstraction.abstract.interpretation.mode USE_PREDICATES -i ../../../trunk/examples/svcomp/ldv-commit-tester/m0_drivers-media-video-cx88-cx8802-ko--32_7a--d47b389.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f4eb214f-m [2019-10-13 20:17:44,221 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-13 20:17:44,223 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-13 20:17:44,238 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-13 20:17:44,238 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-13 20:17:44,240 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-13 20:17:44,242 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-13 20:17:44,250 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-13 20:17:44,255 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-13 20:17:44,256 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-13 20:17:44,260 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-13 20:17:44,261 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-13 20:17:44,261 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-13 20:17:44,262 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-13 20:17:44,263 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-13 20:17:44,264 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-13 20:17:44,266 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-13 20:17:44,268 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-13 20:17:44,270 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-13 20:17:44,275 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-13 20:17:44,276 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-13 20:17:44,278 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-13 20:17:44,279 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-13 20:17:44,280 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-13 20:17:44,284 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-13 20:17:44,284 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-13 20:17:44,284 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-13 20:17:44,285 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-13 20:17:44,285 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-13 20:17:44,288 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-13 20:17:44,288 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-13 20:17:44,289 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-13 20:17:44,290 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-13 20:17:44,290 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-13 20:17:44,294 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-13 20:17:44,294 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-13 20:17:44,295 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-13 20:17:44,295 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-13 20:17:44,295 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-13 20:17:44,297 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-13 20:17:44,300 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-13 20:17:44,301 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 20:17:44,315 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-13 20:17:44,315 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-13 20:17:44,316 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-13 20:17:44,317 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-13 20:17:44,317 INFO L138 SettingsManager]: * Use SBE=true [2019-10-13 20:17:44,317 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-13 20:17:44,317 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-13 20:17:44,317 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-13 20:17:44,318 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-13 20:17:44,318 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-13 20:17:44,318 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-13 20:17:44,318 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-13 20:17:44,318 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-13 20:17:44,319 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-13 20:17:44,319 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-13 20:17:44,319 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-13 20:17:44,319 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-13 20:17:44,319 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-13 20:17:44,320 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-13 20:17:44,320 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-13 20:17:44,320 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-13 20:17:44,320 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 20:17:44,320 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-13 20:17:44,321 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-13 20:17:44,321 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-13 20:17:44,321 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-13 20:17:44,321 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-13 20:17:44,321 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-13 20:17:44,322 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: Abstract domain -> IntervalDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Abstract interpretation Mode -> USE_PREDICATES [2019-10-13 20:17:44,640 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-13 20:17:44,663 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-13 20:17:44,666 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-13 20:17:44,667 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-13 20:17:44,668 INFO L275 PluginConnector]: CDTParser initialized [2019-10-13 20:17:44,668 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-commit-tester/m0_drivers-media-video-cx88-cx8802-ko--32_7a--d47b389.i [2019-10-13 20:17:44,739 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/966bb551a/97fca5fb663d47119542a3c2be4e89e3/FLAGbbf15636a [2019-10-13 20:17:45,485 INFO L306 CDTParser]: Found 1 translation units. [2019-10-13 20:17:45,486 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-commit-tester/m0_drivers-media-video-cx88-cx8802-ko--32_7a--d47b389.i [2019-10-13 20:17:45,521 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/966bb551a/97fca5fb663d47119542a3c2be4e89e3/FLAGbbf15636a [2019-10-13 20:17:45,560 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/966bb551a/97fca5fb663d47119542a3c2be4e89e3 [2019-10-13 20:17:45,571 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-13 20:17:45,572 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-13 20:17:45,574 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-13 20:17:45,574 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-13 20:17:45,578 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-13 20:17:45,579 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 08:17:45" (1/1) ... [2019-10-13 20:17:45,582 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@616eb338 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:17:45, skipping insertion in model container [2019-10-13 20:17:45,582 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 08:17:45" (1/1) ... [2019-10-13 20:17:45,591 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-13 20:17:45,713 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-13 20:17:47,523 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 20:17:47,562 INFO L188 MainTranslator]: Completed pre-run [2019-10-13 20:17:47,932 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 20:17:48,122 INFO L192 MainTranslator]: Completed translation [2019-10-13 20:17:48,122 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:17:48 WrapperNode [2019-10-13 20:17:48,122 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-13 20:17:48,123 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-13 20:17:48,123 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-13 20:17:48,123 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-13 20:17:48,136 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:17:48" (1/1) ... [2019-10-13 20:17:48,137 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:17:48" (1/1) ... [2019-10-13 20:17:48,198 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:17:48" (1/1) ... [2019-10-13 20:17:48,199 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:17:48" (1/1) ... [2019-10-13 20:17:48,308 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:17:48" (1/1) ... [2019-10-13 20:17:48,323 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:17:48" (1/1) ... [2019-10-13 20:17:48,350 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:17:48" (1/1) ... [2019-10-13 20:17:48,378 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-13 20:17:48,379 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-13 20:17:48,379 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-13 20:17:48,379 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-13 20:17:48,383 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:17:48" (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 20:17:48,456 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-13 20:17:48,456 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-13 20:17:48,457 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2019-10-13 20:17:48,457 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2019-10-13 20:17:48,457 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2019-10-13 20:17:48,457 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2019-10-13 20:17:48,457 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2019-10-13 20:17:48,458 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2019-10-13 20:17:48,458 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2019-10-13 20:17:48,458 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2019-10-13 20:17:48,458 INFO L138 BoogieDeclarations]: Found implementation of procedure kobject_name [2019-10-13 20:17:48,458 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2019-10-13 20:17:48,459 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-10-13 20:17:48,459 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2019-10-13 20:17:48,459 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2019-10-13 20:17:48,459 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2019-10-13 20:17:48,459 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2019-10-13 20:17:48,460 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2019-10-13 20:17:48,460 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2019-10-13 20:17:48,463 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2019-10-13 20:17:48,463 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_byte [2019-10-13 20:17:48,464 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_supported [2019-10-13 20:17:48,464 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2019-10-13 20:17:48,464 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_drvdata [2019-10-13 20:17:48,464 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2019-10-13 20:17:48,466 INFO L138 BoogieDeclarations]: Found implementation of procedure request_module_async [2019-10-13 20:17:48,466 INFO L138 BoogieDeclarations]: Found implementation of procedure request_modules [2019-10-13 20:17:48,466 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_request_modules [2019-10-13 20:17:48,467 INFO L138 BoogieDeclarations]: Found implementation of procedure cx8802_start_dma [2019-10-13 20:17:48,467 INFO L138 BoogieDeclarations]: Found implementation of procedure cx8802_stop_dma [2019-10-13 20:17:48,467 INFO L138 BoogieDeclarations]: Found implementation of procedure cx8802_restart_queue [2019-10-13 20:17:48,467 INFO L138 BoogieDeclarations]: Found implementation of procedure cx8802_buf_prepare [2019-10-13 20:17:48,467 INFO L138 BoogieDeclarations]: Found implementation of procedure cx8802_buf_queue [2019-10-13 20:17:48,467 INFO L138 BoogieDeclarations]: Found implementation of procedure do_cancel_buffers [2019-10-13 20:17:48,468 INFO L138 BoogieDeclarations]: Found implementation of procedure cx8802_cancel_buffers [2019-10-13 20:17:48,468 INFO L138 BoogieDeclarations]: Found implementation of procedure cx8802_timeout [2019-10-13 20:17:48,468 INFO L138 BoogieDeclarations]: Found implementation of procedure cx8802_mpeg_irq [2019-10-13 20:17:48,469 INFO L138 BoogieDeclarations]: Found implementation of procedure cx8802_irq [2019-10-13 20:17:48,469 INFO L138 BoogieDeclarations]: Found implementation of procedure cx8802_init_common [2019-10-13 20:17:48,469 INFO L138 BoogieDeclarations]: Found implementation of procedure cx8802_fini_common [2019-10-13 20:17:48,469 INFO L138 BoogieDeclarations]: Found implementation of procedure cx8802_suspend_common [2019-10-13 20:17:48,469 INFO L138 BoogieDeclarations]: Found implementation of procedure cx8802_resume_common [2019-10-13 20:17:48,470 INFO L138 BoogieDeclarations]: Found implementation of procedure cx8802_get_driver [2019-10-13 20:17:48,470 INFO L138 BoogieDeclarations]: Found implementation of procedure cx8802_request_acquire [2019-10-13 20:17:48,470 INFO L138 BoogieDeclarations]: Found implementation of procedure cx8802_request_release [2019-10-13 20:17:48,470 INFO L138 BoogieDeclarations]: Found implementation of procedure cx8802_check_driver [2019-10-13 20:17:48,471 INFO L138 BoogieDeclarations]: Found implementation of procedure cx8802_register_driver [2019-10-13 20:17:48,471 INFO L138 BoogieDeclarations]: Found implementation of procedure cx8802_unregister_driver [2019-10-13 20:17:48,471 INFO L138 BoogieDeclarations]: Found implementation of procedure cx8802_probe [2019-10-13 20:17:48,471 INFO L138 BoogieDeclarations]: Found implementation of procedure cx8802_remove [2019-10-13 20:17:48,471 INFO L138 BoogieDeclarations]: Found implementation of procedure cx8802_init [2019-10-13 20:17:48,472 INFO L138 BoogieDeclarations]: Found implementation of procedure cx8802_fini [2019-10-13 20:17:48,472 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-13 20:17:48,473 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_1 [2019-10-13 20:17:48,473 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_2 [2019-10-13 20:17:48,473 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_3 [2019-10-13 20:17:48,473 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_4 [2019-10-13 20:17:48,474 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_5 [2019-10-13 20:17:48,474 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_6 [2019-10-13 20:17:48,474 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_7 [2019-10-13 20:17:48,474 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_8 [2019-10-13 20:17:48,474 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_9 [2019-10-13 20:17:48,475 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_10 [2019-10-13 20:17:48,475 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_11 [2019-10-13 20:17:48,475 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_12 [2019-10-13 20:17:48,475 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_13 [2019-10-13 20:17:48,476 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2019-10-13 20:17:48,476 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2019-10-13 20:17:48,476 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_lock_of_cx88_core [2019-10-13 20:17:48,476 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_lock_of_cx88_core [2019-10-13 20:17:48,476 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock_of_cx88_core [2019-10-13 20:17:48,477 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_lock_of_cx88_core [2019-10-13 20:17:48,477 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_lock_of_cx88_core [2019-10-13 20:17:48,478 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_lock_of_cx88_core [2019-10-13 20:17:48,478 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock_of_cx88_core [2019-10-13 20:17:48,478 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_lock_of_v4l2_ctrl_handler [2019-10-13 20:17:48,478 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_lock_of_v4l2_ctrl_handler [2019-10-13 20:17:48,478 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock_of_v4l2_ctrl_handler [2019-10-13 20:17:48,479 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_lock_of_v4l2_ctrl_handler [2019-10-13 20:17:48,479 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_lock_of_v4l2_ctrl_handler [2019-10-13 20:17:48,480 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_lock_of_v4l2_ctrl_handler [2019-10-13 20:17:48,480 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock_of_v4l2_ctrl_handler [2019-10-13 20:17:48,480 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_mutex_of_device [2019-10-13 20:17:48,481 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_mutex_of_device [2019-10-13 20:17:48,481 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mutex_of_device [2019-10-13 20:17:48,481 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_mutex_of_device [2019-10-13 20:17:48,482 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2019-10-13 20:17:48,483 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_mutex_of_device [2019-10-13 20:17:48,483 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex_of_device [2019-10-13 20:17:48,483 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_vb_lock_of_videobuf_queue [2019-10-13 20:17:48,483 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_vb_lock_of_videobuf_queue [2019-10-13 20:17:48,483 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_vb_lock_of_videobuf_queue [2019-10-13 20:17:48,483 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_vb_lock_of_videobuf_queue [2019-10-13 20:17:48,484 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_vb_lock_of_videobuf_queue [2019-10-13 20:17:48,484 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_vb_lock_of_videobuf_queue [2019-10-13 20:17:48,484 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_vb_lock_of_videobuf_queue [2019-10-13 20:17:48,484 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-10-13 20:17:48,484 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-10-13 20:17:48,484 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2019-10-13 20:17:48,484 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2019-10-13 20:17:48,484 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2019-10-13 20:17:48,485 INFO L138 BoogieDeclarations]: Found implementation of procedure __pci_register_driver [2019-10-13 20:17:48,485 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2019-10-13 20:17:48,485 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_module [2019-10-13 20:17:48,485 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2019-10-13 20:17:48,485 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock [2019-10-13 20:17:48,485 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2019-10-13 20:17:48,486 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock [2019-10-13 20:17:48,486 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irqrestore [2019-10-13 20:17:48,487 INFO L138 BoogieDeclarations]: Found implementation of procedure btcx_riscmem_free [2019-10-13 20:17:48,487 INFO L138 BoogieDeclarations]: Found implementation of procedure cx88_core_get [2019-10-13 20:17:48,487 INFO L138 BoogieDeclarations]: Found implementation of procedure cx88_core_irq [2019-10-13 20:17:48,487 INFO L138 BoogieDeclarations]: Found implementation of procedure cx88_core_put [2019-10-13 20:17:48,488 INFO L138 BoogieDeclarations]: Found implementation of procedure cx88_free_buffer [2019-10-13 20:17:48,488 INFO L138 BoogieDeclarations]: Found implementation of procedure cx88_print_irqbits [2019-10-13 20:17:48,488 INFO L138 BoogieDeclarations]: Found implementation of procedure cx88_reset [2019-10-13 20:17:48,488 INFO L138 BoogieDeclarations]: Found implementation of procedure cx88_risc_databuffer [2019-10-13 20:17:48,489 INFO L138 BoogieDeclarations]: Found implementation of procedure cx88_risc_stopper [2019-10-13 20:17:48,489 INFO L138 BoogieDeclarations]: Found implementation of procedure cx88_shutdown [2019-10-13 20:17:48,489 INFO L138 BoogieDeclarations]: Found implementation of procedure cx88_sram_channel_dump [2019-10-13 20:17:48,490 INFO L138 BoogieDeclarations]: Found implementation of procedure cx88_sram_channel_setup [2019-10-13 20:17:48,490 INFO L138 BoogieDeclarations]: Found implementation of procedure cx88_wakeup [2019-10-13 20:17:48,490 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2019-10-13 20:17:48,491 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2019-10-13 20:17:48,492 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2019-10-13 20:17:48,492 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2019-10-13 20:17:48,492 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_supported [2019-10-13 20:17:48,492 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_work_sync [2019-10-13 20:17:48,492 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2019-10-13 20:17:48,493 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2019-10-13 20:17:48,493 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value [2019-10-13 20:17:48,493 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value_probe [2019-10-13 20:17:48,493 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler_precall [2019-10-13 20:17:48,494 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2019-10-13 20:17:48,494 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2019-10-13 20:17:48,494 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2019-10-13 20:17:48,495 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2019-10-13 20:17:48,499 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2019-10-13 20:17:48,499 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_trylock [2019-10-13 20:17:48,499 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2019-10-13 20:17:48,499 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_bus_read_config_byte [2019-10-13 20:17:48,499 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_choose_state [2019-10-13 20:17:48,500 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2019-10-13 20:17:48,500 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2019-10-13 20:17:48,506 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_restore_state [2019-10-13 20:17:48,507 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_save_state [2019-10-13 20:17:48,507 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2019-10-13 20:17:48,507 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2019-10-13 20:17:48,507 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unregister_driver [2019-10-13 20:17:48,508 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2019-10-13 20:17:48,508 INFO L138 BoogieDeclarations]: Found implementation of procedure request_threaded_irq [2019-10-13 20:17:48,508 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2019-10-13 20:17:48,508 INFO L138 BoogieDeclarations]: Found implementation of procedure videobuf_iolock [2019-10-13 20:17:48,509 INFO L138 BoogieDeclarations]: Found implementation of procedure videobuf_to_dma [2019-10-13 20:17:48,509 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-10-13 20:17:48,509 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-10-13 20:17:48,510 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-10-13 20:17:48,510 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-13 20:17:48,510 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-13 20:17:48,510 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2019-10-13 20:17:48,510 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-10-13 20:17:48,511 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2019-10-13 20:17:48,511 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-13 20:17:48,511 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2019-10-13 20:17:48,511 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2019-10-13 20:17:48,511 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-13 20:17:48,511 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2019-10-13 20:17:48,511 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2019-10-13 20:17:48,512 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2019-10-13 20:17:48,512 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_trylock [2019-10-13 20:17:48,512 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_2 [2019-10-13 20:17:48,512 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2019-10-13 20:17:48,512 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_3 [2019-10-13 20:17:48,512 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_5 [2019-10-13 20:17:48,512 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_7 [2019-10-13 20:17:48,513 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_9 [2019-10-13 20:17:48,513 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_11 [2019-10-13 20:17:48,513 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_13 [2019-10-13 20:17:48,513 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2019-10-13 20:17:48,513 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_1 [2019-10-13 20:17:48,513 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_4 [2019-10-13 20:17:48,513 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_6 [2019-10-13 20:17:48,513 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_8 [2019-10-13 20:17:48,514 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_10 [2019-10-13 20:17:48,514 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_12 [2019-10-13 20:17:48,514 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock_of_cx88_core [2019-10-13 20:17:48,514 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock_of_cx88_core [2019-10-13 20:17:48,514 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock_of_v4l2_ctrl_handler [2019-10-13 20:17:48,514 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock_of_v4l2_ctrl_handler [2019-10-13 20:17:48,514 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mutex_of_device [2019-10-13 20:17:48,514 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_mutex_of_device [2019-10-13 20:17:48,515 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex_of_device [2019-10-13 20:17:48,515 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_vb_lock_of_videobuf_queue [2019-10-13 20:17:48,515 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_vb_lock_of_videobuf_queue [2019-10-13 20:17:48,515 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2019-10-13 20:17:48,515 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock [2019-10-13 20:17:48,515 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2019-10-13 20:17:48,515 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock [2019-10-13 20:17:48,516 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore [2019-10-13 20:17:48,516 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2019-10-13 20:17:48,516 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2019-10-13 20:17:48,516 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2019-10-13 20:17:48,516 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2019-10-13 20:17:48,517 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2019-10-13 20:17:48,517 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2019-10-13 20:17:48,517 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2019-10-13 20:17:48,517 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2019-10-13 20:17:48,517 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2019-10-13 20:17:48,519 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2019-10-13 20:17:48,520 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2019-10-13 20:17:48,520 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2019-10-13 20:17:48,520 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2019-10-13 20:17:48,520 INFO L130 BoogieDeclarations]: Found specification of procedure flush_work_sync [2019-10-13 20:17:48,520 INFO L130 BoogieDeclarations]: Found specification of procedure __request_module [2019-10-13 20:17:48,521 INFO L130 BoogieDeclarations]: Found specification of procedure kobject_name [2019-10-13 20:17:48,521 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-10-13 20:17:48,521 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-13 20:17:48,521 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-10-13 20:17:48,521 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-13 20:17:48,521 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2019-10-13 20:17:48,522 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-10-13 20:17:48,522 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-13 20:17:48,522 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2019-10-13 20:17:48,522 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2019-10-13 20:17:48,522 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2019-10-13 20:17:48,522 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2019-10-13 20:17:48,522 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2019-10-13 20:17:48,523 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2019-10-13 20:17:48,523 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2019-10-13 20:17:48,523 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2019-10-13 20:17:48,523 INFO L130 BoogieDeclarations]: Found specification of procedure dma_supported [2019-10-13 20:17:48,523 INFO L130 BoogieDeclarations]: Found specification of procedure request_threaded_irq [2019-10-13 20:17:48,523 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2019-10-13 20:17:48,523 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2019-10-13 20:17:48,524 INFO L130 BoogieDeclarations]: Found specification of procedure pci_bus_read_config_byte [2019-10-13 20:17:48,524 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_byte [2019-10-13 20:17:48,524 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-13 20:17:48,524 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2019-10-13 20:17:48,524 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2019-10-13 20:17:48,524 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2019-10-13 20:17:48,524 INFO L130 BoogieDeclarations]: Found specification of procedure pci_save_state [2019-10-13 20:17:48,525 INFO L130 BoogieDeclarations]: Found specification of procedure pci_restore_state [2019-10-13 20:17:48,525 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2019-10-13 20:17:48,525 INFO L130 BoogieDeclarations]: Found specification of procedure pci_choose_state [2019-10-13 20:17:48,525 INFO L130 BoogieDeclarations]: Found specification of procedure __pci_register_driver [2019-10-13 20:17:48,525 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unregister_driver [2019-10-13 20:17:48,525 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_supported [2019-10-13 20:17:48,526 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2019-10-13 20:17:48,526 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_drvdata [2019-10-13 20:17:48,526 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2019-10-13 20:17:48,526 INFO L130 BoogieDeclarations]: Found specification of procedure videobuf_iolock [2019-10-13 20:17:48,526 INFO L130 BoogieDeclarations]: Found specification of procedure videobuf_to_dma [2019-10-13 20:17:48,526 INFO L130 BoogieDeclarations]: Found specification of procedure btcx_riscmem_free [2019-10-13 20:17:48,526 INFO L130 BoogieDeclarations]: Found specification of procedure cx88_print_irqbits [2019-10-13 20:17:48,527 INFO L130 BoogieDeclarations]: Found specification of procedure cx88_core_irq [2019-10-13 20:17:48,527 INFO L130 BoogieDeclarations]: Found specification of procedure cx88_wakeup [2019-10-13 20:17:48,527 INFO L130 BoogieDeclarations]: Found specification of procedure cx88_shutdown [2019-10-13 20:17:48,527 INFO L130 BoogieDeclarations]: Found specification of procedure cx88_reset [2019-10-13 20:17:48,527 INFO L130 BoogieDeclarations]: Found specification of procedure cx88_risc_databuffer [2019-10-13 20:17:48,527 INFO L130 BoogieDeclarations]: Found specification of procedure cx88_risc_stopper [2019-10-13 20:17:48,527 INFO L130 BoogieDeclarations]: Found specification of procedure cx88_free_buffer [2019-10-13 20:17:48,527 INFO L130 BoogieDeclarations]: Found specification of procedure cx88_sram_channel_setup [2019-10-13 20:17:48,528 INFO L130 BoogieDeclarations]: Found specification of procedure cx88_sram_channel_dump [2019-10-13 20:17:48,529 INFO L130 BoogieDeclarations]: Found specification of procedure cx88_core_get [2019-10-13 20:17:48,533 INFO L130 BoogieDeclarations]: Found specification of procedure cx88_core_put [2019-10-13 20:17:48,534 INFO L130 BoogieDeclarations]: Found specification of procedure cx8802_register_driver [2019-10-13 20:17:48,534 INFO L130 BoogieDeclarations]: Found specification of procedure cx8802_unregister_driver [2019-10-13 20:17:48,534 INFO L130 BoogieDeclarations]: Found specification of procedure cx8802_get_driver [2019-10-13 20:17:48,534 INFO L130 BoogieDeclarations]: Found specification of procedure cx8802_buf_prepare [2019-10-13 20:17:48,535 INFO L130 BoogieDeclarations]: Found specification of procedure cx8802_buf_queue [2019-10-13 20:17:48,535 INFO L130 BoogieDeclarations]: Found specification of procedure cx8802_cancel_buffers [2019-10-13 20:17:48,535 INFO L130 BoogieDeclarations]: Found specification of procedure request_module_async [2019-10-13 20:17:48,537 INFO L130 BoogieDeclarations]: Found specification of procedure request_modules [2019-10-13 20:17:48,538 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-13 20:17:48,538 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-13 20:17:48,538 INFO L130 BoogieDeclarations]: Found specification of procedure flush_request_modules [2019-10-13 20:17:48,539 INFO L130 BoogieDeclarations]: Found specification of procedure cx8802_start_dma [2019-10-13 20:17:48,539 INFO L130 BoogieDeclarations]: Found specification of procedure cx8802_stop_dma [2019-10-13 20:17:48,539 INFO L130 BoogieDeclarations]: Found specification of procedure cx8802_restart_queue [2019-10-13 20:17:48,539 INFO L130 BoogieDeclarations]: Found specification of procedure do_cancel_buffers [2019-10-13 20:17:48,539 INFO L130 BoogieDeclarations]: Found specification of procedure cx8802_timeout [2019-10-13 20:17:48,539 INFO L130 BoogieDeclarations]: Found specification of procedure cx8802_mpeg_irq [2019-10-13 20:17:48,539 INFO L130 BoogieDeclarations]: Found specification of procedure cx8802_irq [2019-10-13 20:17:48,539 INFO L130 BoogieDeclarations]: Found specification of procedure cx8802_init_common [2019-10-13 20:17:48,540 INFO L130 BoogieDeclarations]: Found specification of procedure cx8802_fini_common [2019-10-13 20:17:48,540 INFO L130 BoogieDeclarations]: Found specification of procedure cx8802_suspend_common [2019-10-13 20:17:48,540 INFO L130 BoogieDeclarations]: Found specification of procedure cx8802_resume_common [2019-10-13 20:17:48,540 INFO L130 BoogieDeclarations]: Found specification of procedure cx8802_request_acquire [2019-10-13 20:17:48,540 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2019-10-13 20:17:48,540 INFO L130 BoogieDeclarations]: Found specification of procedure cx8802_request_release [2019-10-13 20:17:48,540 INFO L130 BoogieDeclarations]: Found specification of procedure cx8802_check_driver [2019-10-13 20:17:48,540 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-10-13 20:17:48,541 INFO L130 BoogieDeclarations]: Found specification of procedure cx8802_probe [2019-10-13 20:17:48,541 INFO L130 BoogieDeclarations]: Found specification of procedure cx8802_remove [2019-10-13 20:17:48,541 INFO L130 BoogieDeclarations]: Found specification of procedure cx8802_init [2019-10-13 20:17:48,541 INFO L130 BoogieDeclarations]: Found specification of procedure cx8802_fini [2019-10-13 20:17:48,541 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-10-13 20:17:48,541 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value [2019-10-13 20:17:48,542 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value_probe [2019-10-13 20:17:48,542 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-10-13 20:17:48,542 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler_precall [2019-10-13 20:17:48,542 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-13 20:17:48,542 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2019-10-13 20:17:48,543 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2019-10-13 20:17:48,543 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_lock_of_cx88_core [2019-10-13 20:17:48,543 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_lock_of_cx88_core [2019-10-13 20:17:48,543 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_lock_of_cx88_core [2019-10-13 20:17:48,543 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_lock_of_cx88_core [2019-10-13 20:17:48,543 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_lock_of_cx88_core [2019-10-13 20:17:48,544 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_lock_of_v4l2_ctrl_handler [2019-10-13 20:17:48,544 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_lock_of_v4l2_ctrl_handler [2019-10-13 20:17:48,544 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_lock_of_v4l2_ctrl_handler [2019-10-13 20:17:48,544 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_lock_of_v4l2_ctrl_handler [2019-10-13 20:17:48,544 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_lock_of_v4l2_ctrl_handler [2019-10-13 20:17:48,544 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_mutex_of_device [2019-10-13 20:17:48,545 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_mutex_of_device [2019-10-13 20:17:48,545 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2019-10-13 20:17:48,545 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_mutex_of_device [2019-10-13 20:17:48,545 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_vb_lock_of_videobuf_queue [2019-10-13 20:17:48,545 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_vb_lock_of_videobuf_queue [2019-10-13 20:17:48,545 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_vb_lock_of_videobuf_queue [2019-10-13 20:17:48,545 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_vb_lock_of_videobuf_queue [2019-10-13 20:17:48,546 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_vb_lock_of_videobuf_queue [2019-10-13 20:17:48,546 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-10-13 20:17:48,546 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-10-13 20:17:48,546 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-10-13 20:17:48,546 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-10-13 20:17:48,546 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-13 20:17:48,546 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-13 20:17:48,546 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-10-13 20:17:48,547 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-13 20:17:48,547 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2019-10-13 20:17:48,547 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-13 20:17:48,547 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-10-13 20:17:48,547 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-10-13 20:17:48,547 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2019-10-13 20:17:56,847 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-13 20:17:56,847 INFO L284 CfgBuilder]: Removed 0 assume(true) statements. [2019-10-13 20:17:56,849 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 08:17:56 BoogieIcfgContainer [2019-10-13 20:17:56,850 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-13 20:17:56,851 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-13 20:17:56,851 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-13 20:17:56,855 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-13 20:17:56,855 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 08:17:45" (1/3) ... [2019-10-13 20:17:56,856 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@31201518 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 08:17:56, skipping insertion in model container [2019-10-13 20:17:56,856 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:17:48" (2/3) ... [2019-10-13 20:17:56,857 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@31201518 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 08:17:56, skipping insertion in model container [2019-10-13 20:17:56,857 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 08:17:56" (3/3) ... [2019-10-13 20:17:56,858 INFO L109 eAbstractionObserver]: Analyzing ICFG m0_drivers-media-video-cx88-cx8802-ko--32_7a--d47b389.i [2019-10-13 20:17:56,869 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-13 20:17:56,883 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-13 20:17:56,896 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-13 20:17:56,929 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-13 20:17:56,929 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-13 20:17:56,930 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-13 20:17:56,930 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-13 20:17:56,930 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-13 20:17:56,930 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-13 20:17:56,930 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-13 20:17:56,930 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-13 20:17:56,970 INFO L276 IsEmpty]: Start isEmpty. Operand 1024 states. [2019-10-13 20:17:56,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2019-10-13 20:17:56,977 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 20:17:56,979 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] [2019-10-13 20:17:56,981 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 20:17:56,987 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 20:17:56,987 INFO L82 PathProgramCache]: Analyzing trace with hash 60402968, now seen corresponding path program 1 times [2019-10-13 20:17:56,998 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 20:17:56,999 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [82702086] [2019-10-13 20:17:56,999 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:17:56,999 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:17:56,999 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 20:17:57,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 20:17:57,830 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 20:17:57,831 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [82702086] [2019-10-13 20:17:57,832 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 20:17:57,832 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 20:17:57,832 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [750550418] [2019-10-13 20:17:57,837 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 20:17:57,839 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 20:17:57,856 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 20:17:57,857 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 20:17:57,859 INFO L87 Difference]: Start difference. First operand 1024 states. Second operand 3 states. [2019-10-13 20:18:00,082 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 20:18:00,083 INFO L93 Difference]: Finished difference Result 1717 states and 2185 transitions. [2019-10-13 20:18:00,085 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 20:18:00,086 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 28 [2019-10-13 20:18:00,087 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 20:18:00,123 INFO L225 Difference]: With dead ends: 1717 [2019-10-13 20:18:00,123 INFO L226 Difference]: Without dead ends: 967 [2019-10-13 20:18:00,136 INFO L600 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 [2019-10-13 20:18:00,161 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 967 states. [2019-10-13 20:18:00,310 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 967 to 965. [2019-10-13 20:18:00,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 965 states. [2019-10-13 20:18:00,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 965 states to 965 states and 1221 transitions. [2019-10-13 20:18:00,322 INFO L78 Accepts]: Start accepts. Automaton has 965 states and 1221 transitions. Word has length 28 [2019-10-13 20:18:00,322 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 20:18:00,322 INFO L462 AbstractCegarLoop]: Abstraction has 965 states and 1221 transitions. [2019-10-13 20:18:00,322 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 20:18:00,323 INFO L276 IsEmpty]: Start isEmpty. Operand 965 states and 1221 transitions. [2019-10-13 20:18:00,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2019-10-13 20:18:00,324 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 20:18:00,325 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] [2019-10-13 20:18:00,325 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 20:18:00,325 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 20:18:00,325 INFO L82 PathProgramCache]: Analyzing trace with hash 1871907524, now seen corresponding path program 1 times [2019-10-13 20:18:00,326 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 20:18:00,326 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [27139602] [2019-10-13 20:18:00,326 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:18:00,326 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:18:00,326 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 20:18:00,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 20:18:00,544 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 20:18:00,544 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [27139602] [2019-10-13 20:18:00,545 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 20:18:00,545 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 20:18:00,545 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [128220307] [2019-10-13 20:18:00,546 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 20:18:00,547 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 20:18:00,547 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 20:18:00,547 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 20:18:00,547 INFO L87 Difference]: Start difference. First operand 965 states and 1221 transitions. Second operand 3 states. [2019-10-13 20:18:02,757 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 20:18:02,758 INFO L93 Difference]: Finished difference Result 967 states and 1222 transitions. [2019-10-13 20:18:02,758 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 20:18:02,758 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 29 [2019-10-13 20:18:02,758 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 20:18:02,764 INFO L225 Difference]: With dead ends: 967 [2019-10-13 20:18:02,765 INFO L226 Difference]: Without dead ends: 964 [2019-10-13 20:18:02,766 INFO L600 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 [2019-10-13 20:18:02,768 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 964 states. [2019-10-13 20:18:02,811 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 964 to 964. [2019-10-13 20:18:02,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 964 states. [2019-10-13 20:18:02,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 964 states to 964 states and 1219 transitions. [2019-10-13 20:18:02,818 INFO L78 Accepts]: Start accepts. Automaton has 964 states and 1219 transitions. Word has length 29 [2019-10-13 20:18:02,818 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 20:18:02,818 INFO L462 AbstractCegarLoop]: Abstraction has 964 states and 1219 transitions. [2019-10-13 20:18:02,818 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 20:18:02,818 INFO L276 IsEmpty]: Start isEmpty. Operand 964 states and 1219 transitions. [2019-10-13 20:18:02,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2019-10-13 20:18:02,819 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 20:18:02,820 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 20:18:02,820 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 20:18:02,820 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 20:18:02,820 INFO L82 PathProgramCache]: Analyzing trace with hash -2100988517, now seen corresponding path program 1 times [2019-10-13 20:18:02,820 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 20:18:02,821 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [159471949] [2019-10-13 20:18:02,821 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:18:02,821 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:18:02,821 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 20:18:02,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 20:18:03,014 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 20:18:03,014 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [159471949] [2019-10-13 20:18:03,014 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 20:18:03,015 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 20:18:03,015 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [182181276] [2019-10-13 20:18:03,015 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 20:18:03,015 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 20:18:03,016 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 20:18:03,016 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 20:18:03,016 INFO L87 Difference]: Start difference. First operand 964 states and 1219 transitions. Second operand 3 states. [2019-10-13 20:18:05,251 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 20:18:05,251 INFO L93 Difference]: Finished difference Result 966 states and 1220 transitions. [2019-10-13 20:18:05,252 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 20:18:05,252 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 30 [2019-10-13 20:18:05,252 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 20:18:05,259 INFO L225 Difference]: With dead ends: 966 [2019-10-13 20:18:05,259 INFO L226 Difference]: Without dead ends: 963 [2019-10-13 20:18:05,260 INFO L600 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 [2019-10-13 20:18:05,262 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 963 states. [2019-10-13 20:18:05,302 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 963 to 963. [2019-10-13 20:18:05,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 963 states. [2019-10-13 20:18:05,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 963 states to 963 states and 1217 transitions. [2019-10-13 20:18:05,310 INFO L78 Accepts]: Start accepts. Automaton has 963 states and 1217 transitions. Word has length 30 [2019-10-13 20:18:05,310 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 20:18:05,310 INFO L462 AbstractCegarLoop]: Abstraction has 963 states and 1217 transitions. [2019-10-13 20:18:05,310 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 20:18:05,310 INFO L276 IsEmpty]: Start isEmpty. Operand 963 states and 1217 transitions. [2019-10-13 20:18:05,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2019-10-13 20:18:05,312 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 20:18:05,312 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, 1] [2019-10-13 20:18:05,312 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 20:18:05,312 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 20:18:05,312 INFO L82 PathProgramCache]: Analyzing trace with hash -706709337, now seen corresponding path program 1 times [2019-10-13 20:18:05,313 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 20:18:05,313 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1339129515] [2019-10-13 20:18:05,313 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:18:05,313 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:18:05,313 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 20:18:05,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 20:18:05,599 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 20:18:05,600 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1339129515] [2019-10-13 20:18:05,600 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 20:18:05,600 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 20:18:05,600 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [183349741] [2019-10-13 20:18:05,601 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 20:18:05,601 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 20:18:05,601 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 20:18:05,601 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 20:18:05,602 INFO L87 Difference]: Start difference. First operand 963 states and 1217 transitions. Second operand 3 states. [2019-10-13 20:18:07,840 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 20:18:07,841 INFO L93 Difference]: Finished difference Result 965 states and 1218 transitions. [2019-10-13 20:18:07,957 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 20:18:07,957 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 31 [2019-10-13 20:18:07,958 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 20:18:07,965 INFO L225 Difference]: With dead ends: 965 [2019-10-13 20:18:07,965 INFO L226 Difference]: Without dead ends: 949 [2019-10-13 20:18:07,967 INFO L600 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 [2019-10-13 20:18:07,969 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 949 states. [2019-10-13 20:18:08,020 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 949 to 949. [2019-10-13 20:18:08,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 949 states. [2019-10-13 20:18:08,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 949 states to 949 states and 1199 transitions. [2019-10-13 20:18:08,027 INFO L78 Accepts]: Start accepts. Automaton has 949 states and 1199 transitions. Word has length 31 [2019-10-13 20:18:08,028 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 20:18:08,028 INFO L462 AbstractCegarLoop]: Abstraction has 949 states and 1199 transitions. [2019-10-13 20:18:08,028 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 20:18:08,028 INFO L276 IsEmpty]: Start isEmpty. Operand 949 states and 1199 transitions. [2019-10-13 20:18:08,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2019-10-13 20:18:08,034 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 20:18:08,034 INFO L380 BasicCegarLoop]: trace histogram [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] [2019-10-13 20:18:08,034 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 20:18:08,034 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 20:18:08,035 INFO L82 PathProgramCache]: Analyzing trace with hash 2060811378, now seen corresponding path program 1 times [2019-10-13 20:18:08,035 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 20:18:08,035 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1677980156] [2019-10-13 20:18:08,035 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:18:08,035 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:18:08,036 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 20:18:08,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 20:18:08,348 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-10-13 20:18:08,349 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1677980156] [2019-10-13 20:18:08,349 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 20:18:08,350 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 20:18:08,350 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1151394763] [2019-10-13 20:18:08,351 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 20:18:08,351 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 20:18:08,351 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 20:18:08,352 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 20:18:08,352 INFO L87 Difference]: Start difference. First operand 949 states and 1199 transitions. Second operand 3 states. [2019-10-13 20:18:08,466 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 20:18:08,466 INFO L93 Difference]: Finished difference Result 1892 states and 2402 transitions. [2019-10-13 20:18:08,467 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 20:18:08,467 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 90 [2019-10-13 20:18:08,469 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 20:18:08,484 INFO L225 Difference]: With dead ends: 1892 [2019-10-13 20:18:08,484 INFO L226 Difference]: Without dead ends: 965 [2019-10-13 20:18:08,491 INFO L600 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 [2019-10-13 20:18:08,494 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 965 states. [2019-10-13 20:18:08,546 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 965 to 965. [2019-10-13 20:18:08,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 965 states. [2019-10-13 20:18:08,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 965 states to 965 states and 1224 transitions. [2019-10-13 20:18:08,554 INFO L78 Accepts]: Start accepts. Automaton has 965 states and 1224 transitions. Word has length 90 [2019-10-13 20:18:08,555 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 20:18:08,555 INFO L462 AbstractCegarLoop]: Abstraction has 965 states and 1224 transitions. [2019-10-13 20:18:08,555 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 20:18:08,556 INFO L276 IsEmpty]: Start isEmpty. Operand 965 states and 1224 transitions. [2019-10-13 20:18:08,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2019-10-13 20:18:08,562 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 20:18:08,562 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 20:18:08,563 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 20:18:08,563 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 20:18:08,563 INFO L82 PathProgramCache]: Analyzing trace with hash 1202396301, now seen corresponding path program 1 times [2019-10-13 20:18:08,563 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 20:18:08,564 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1842947001] [2019-10-13 20:18:08,564 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:18:08,564 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:18:08,564 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 20:18:08,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 20:18:08,884 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-10-13 20:18:08,885 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1842947001] [2019-10-13 20:18:08,885 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 20:18:08,885 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-13 20:18:08,886 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1467937901] [2019-10-13 20:18:08,886 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-13 20:18:08,886 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 20:18:08,887 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-13 20:18:08,887 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-13 20:18:08,887 INFO L87 Difference]: Start difference. First operand 965 states and 1224 transitions. Second operand 5 states. [2019-10-13 20:18:08,959 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 20:18:08,959 INFO L93 Difference]: Finished difference Result 1914 states and 2433 transitions. [2019-10-13 20:18:08,959 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-13 20:18:08,960 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 120 [2019-10-13 20:18:08,960 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 20:18:08,966 INFO L225 Difference]: With dead ends: 1914 [2019-10-13 20:18:08,966 INFO L226 Difference]: Without dead ends: 965 [2019-10-13 20:18:08,970 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-13 20:18:08,972 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 965 states. [2019-10-13 20:18:09,013 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 965 to 965. [2019-10-13 20:18:09,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 965 states. [2019-10-13 20:18:09,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 965 states to 965 states and 1223 transitions. [2019-10-13 20:18:09,021 INFO L78 Accepts]: Start accepts. Automaton has 965 states and 1223 transitions. Word has length 120 [2019-10-13 20:18:09,021 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 20:18:09,021 INFO L462 AbstractCegarLoop]: Abstraction has 965 states and 1223 transitions. [2019-10-13 20:18:09,021 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-13 20:18:09,021 INFO L276 IsEmpty]: Start isEmpty. Operand 965 states and 1223 transitions. [2019-10-13 20:18:09,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2019-10-13 20:18:09,025 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 20:18:09,025 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 20:18:09,025 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 20:18:09,026 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 20:18:09,026 INFO L82 PathProgramCache]: Analyzing trace with hash 854552456, now seen corresponding path program 1 times [2019-10-13 20:18:09,026 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 20:18:09,026 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [177181738] [2019-10-13 20:18:09,026 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:18:09,027 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:18:09,027 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 20:18:09,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 20:18:09,283 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-10-13 20:18:09,284 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [177181738] [2019-10-13 20:18:09,284 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 20:18:09,284 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-13 20:18:09,284 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [783858259] [2019-10-13 20:18:09,285 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-13 20:18:09,285 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 20:18:09,285 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-13 20:18:09,286 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-13 20:18:09,286 INFO L87 Difference]: Start difference. First operand 965 states and 1223 transitions. Second operand 6 states. [2019-10-13 20:18:09,393 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 20:18:09,393 INFO L93 Difference]: Finished difference Result 1917 states and 2435 transitions. [2019-10-13 20:18:09,394 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-13 20:18:09,394 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 127 [2019-10-13 20:18:09,394 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 20:18:09,401 INFO L225 Difference]: With dead ends: 1917 [2019-10-13 20:18:09,401 INFO L226 Difference]: Without dead ends: 965 [2019-10-13 20:18:09,406 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2019-10-13 20:18:09,408 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 965 states. [2019-10-13 20:18:09,469 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 965 to 965. [2019-10-13 20:18:09,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 965 states. [2019-10-13 20:18:09,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 965 states to 965 states and 1222 transitions. [2019-10-13 20:18:09,478 INFO L78 Accepts]: Start accepts. Automaton has 965 states and 1222 transitions. Word has length 127 [2019-10-13 20:18:09,483 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 20:18:09,483 INFO L462 AbstractCegarLoop]: Abstraction has 965 states and 1222 transitions. [2019-10-13 20:18:09,483 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-13 20:18:09,484 INFO L276 IsEmpty]: Start isEmpty. Operand 965 states and 1222 transitions. [2019-10-13 20:18:09,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2019-10-13 20:18:09,488 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 20:18:09,488 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:18:09,488 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 20:18:09,489 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 20:18:09,489 INFO L82 PathProgramCache]: Analyzing trace with hash -1068857833, now seen corresponding path program 1 times [2019-10-13 20:18:09,489 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 20:18:09,489 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1356241358] [2019-10-13 20:18:09,489 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:18:09,490 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:18:09,490 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 20:18:09,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 20:18:09,943 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-10-13 20:18:09,944 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1356241358] [2019-10-13 20:18:09,944 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 20:18:09,944 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-13 20:18:09,944 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1431056980] [2019-10-13 20:18:09,945 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-13 20:18:09,945 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 20:18:09,945 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-13 20:18:09,946 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-13 20:18:09,946 INFO L87 Difference]: Start difference. First operand 965 states and 1222 transitions. Second operand 6 states. [2019-10-13 20:18:10,082 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 20:18:10,082 INFO L93 Difference]: Finished difference Result 1917 states and 2433 transitions. [2019-10-13 20:18:10,083 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-13 20:18:10,083 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 149 [2019-10-13 20:18:10,086 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 20:18:10,093 INFO L225 Difference]: With dead ends: 1917 [2019-10-13 20:18:10,093 INFO L226 Difference]: Without dead ends: 965 [2019-10-13 20:18:10,097 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2019-10-13 20:18:10,099 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 965 states. [2019-10-13 20:18:10,151 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 965 to 965. [2019-10-13 20:18:10,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 965 states. [2019-10-13 20:18:10,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 965 states to 965 states and 1221 transitions. [2019-10-13 20:18:10,159 INFO L78 Accepts]: Start accepts. Automaton has 965 states and 1221 transitions. Word has length 149 [2019-10-13 20:18:10,159 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 20:18:10,160 INFO L462 AbstractCegarLoop]: Abstraction has 965 states and 1221 transitions. [2019-10-13 20:18:10,160 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-13 20:18:10,160 INFO L276 IsEmpty]: Start isEmpty. Operand 965 states and 1221 transitions. [2019-10-13 20:18:10,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2019-10-13 20:18:10,169 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 20:18:10,169 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:18:10,169 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 20:18:10,170 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 20:18:10,170 INFO L82 PathProgramCache]: Analyzing trace with hash 695524565, now seen corresponding path program 1 times [2019-10-13 20:18:10,170 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 20:18:10,170 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1592052604] [2019-10-13 20:18:10,171 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:18:10,171 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:18:10,171 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 20:18:10,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 20:18:10,544 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-10-13 20:18:10,545 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1592052604] [2019-10-13 20:18:10,545 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 20:18:10,545 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-10-13 20:18:10,545 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1254522627] [2019-10-13 20:18:10,546 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-13 20:18:10,546 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 20:18:10,546 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-13 20:18:10,548 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-10-13 20:18:10,548 INFO L87 Difference]: Start difference. First operand 965 states and 1221 transitions. Second operand 8 states. [2019-10-13 20:18:10,730 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 20:18:10,731 INFO L93 Difference]: Finished difference Result 1922 states and 2439 transitions. [2019-10-13 20:18:10,731 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-13 20:18:10,731 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 165 [2019-10-13 20:18:10,733 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 20:18:10,740 INFO L225 Difference]: With dead ends: 1922 [2019-10-13 20:18:10,741 INFO L226 Difference]: Without dead ends: 965 [2019-10-13 20:18:10,747 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2019-10-13 20:18:10,749 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 965 states. [2019-10-13 20:18:10,790 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 965 to 965. [2019-10-13 20:18:10,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 965 states. [2019-10-13 20:18:10,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 965 states to 965 states and 1219 transitions. [2019-10-13 20:18:10,805 INFO L78 Accepts]: Start accepts. Automaton has 965 states and 1219 transitions. Word has length 165 [2019-10-13 20:18:10,806 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 20:18:10,806 INFO L462 AbstractCegarLoop]: Abstraction has 965 states and 1219 transitions. [2019-10-13 20:18:10,806 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-13 20:18:10,806 INFO L276 IsEmpty]: Start isEmpty. Operand 965 states and 1219 transitions. [2019-10-13 20:18:10,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 253 [2019-10-13 20:18:10,813 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 20:18:10,814 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:18:10,814 INFO L410 AbstractCegarLoop]: === Iteration 10 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 20:18:10,814 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 20:18:10,815 INFO L82 PathProgramCache]: Analyzing trace with hash -1218909751, now seen corresponding path program 1 times [2019-10-13 20:18:10,815 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 20:18:10,816 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [63213174] [2019-10-13 20:18:10,816 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:18:10,816 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:18:10,816 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 20:18:10,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 20:18:11,314 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2019-10-13 20:18:11,315 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [63213174] [2019-10-13 20:18:11,315 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 20:18:11,315 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-10-13 20:18:11,320 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1522378856] [2019-10-13 20:18:11,322 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-13 20:18:11,323 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 20:18:11,323 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-13 20:18:11,323 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-10-13 20:18:11,324 INFO L87 Difference]: Start difference. First operand 965 states and 1219 transitions. Second operand 8 states. [2019-10-13 20:18:11,508 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 20:18:11,509 INFO L93 Difference]: Finished difference Result 1922 states and 2435 transitions. [2019-10-13 20:18:11,509 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-13 20:18:11,509 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 252 [2019-10-13 20:18:11,510 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 20:18:11,519 INFO L225 Difference]: With dead ends: 1922 [2019-10-13 20:18:11,519 INFO L226 Difference]: Without dead ends: 965 [2019-10-13 20:18:11,525 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2019-10-13 20:18:11,527 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 965 states. [2019-10-13 20:18:11,589 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 965 to 965. [2019-10-13 20:18:11,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 965 states. [2019-10-13 20:18:11,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 965 states to 965 states and 1218 transitions. [2019-10-13 20:18:11,596 INFO L78 Accepts]: Start accepts. Automaton has 965 states and 1218 transitions. Word has length 252 [2019-10-13 20:18:11,598 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 20:18:11,598 INFO L462 AbstractCegarLoop]: Abstraction has 965 states and 1218 transitions. [2019-10-13 20:18:11,599 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-13 20:18:11,599 INFO L276 IsEmpty]: Start isEmpty. Operand 965 states and 1218 transitions. [2019-10-13 20:18:11,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 272 [2019-10-13 20:18:11,609 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 20:18:11,610 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:18:11,610 INFO L410 AbstractCegarLoop]: === Iteration 11 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 20:18:11,611 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 20:18:11,611 INFO L82 PathProgramCache]: Analyzing trace with hash 1858631219, now seen corresponding path program 1 times [2019-10-13 20:18:11,611 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 20:18:11,612 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1055511769] [2019-10-13 20:18:11,612 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:18:11,612 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:18:11,612 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 20:18:11,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 20:18:12,104 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2019-10-13 20:18:12,105 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1055511769] [2019-10-13 20:18:12,105 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 20:18:12,105 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-13 20:18:12,105 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [129302920] [2019-10-13 20:18:12,106 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-13 20:18:12,106 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 20:18:12,107 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-13 20:18:12,107 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-13 20:18:12,107 INFO L87 Difference]: Start difference. First operand 965 states and 1218 transitions. Second operand 5 states. [2019-10-13 20:18:12,172 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 20:18:12,172 INFO L93 Difference]: Finished difference Result 1904 states and 2408 transitions. [2019-10-13 20:18:12,173 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-13 20:18:12,173 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 271 [2019-10-13 20:18:12,173 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 20:18:12,179 INFO L225 Difference]: With dead ends: 1904 [2019-10-13 20:18:12,179 INFO L226 Difference]: Without dead ends: 961 [2019-10-13 20:18:12,183 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-13 20:18:12,185 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 961 states. [2019-10-13 20:18:12,224 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 961 to 961. [2019-10-13 20:18:12,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 961 states. [2019-10-13 20:18:12,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 961 states to 961 states and 1211 transitions. [2019-10-13 20:18:12,229 INFO L78 Accepts]: Start accepts. Automaton has 961 states and 1211 transitions. Word has length 271 [2019-10-13 20:18:12,230 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 20:18:12,230 INFO L462 AbstractCegarLoop]: Abstraction has 961 states and 1211 transitions. [2019-10-13 20:18:12,230 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-13 20:18:12,230 INFO L276 IsEmpty]: Start isEmpty. Operand 961 states and 1211 transitions. [2019-10-13 20:18:12,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 299 [2019-10-13 20:18:12,236 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 20:18:12,237 INFO L380 BasicCegarLoop]: trace histogram [4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:18:12,237 INFO L410 AbstractCegarLoop]: === Iteration 12 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 20:18:12,237 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 20:18:12,237 INFO L82 PathProgramCache]: Analyzing trace with hash -825066065, now seen corresponding path program 1 times [2019-10-13 20:18:12,238 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 20:18:12,238 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1778816164] [2019-10-13 20:18:12,238 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:18:12,238 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:18:12,238 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 20:18:12,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 20:18:12,972 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2019-10-13 20:18:12,973 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1778816164] [2019-10-13 20:18:12,973 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 20:18:12,973 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2019-10-13 20:18:12,974 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1678604591] [2019-10-13 20:18:12,974 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-10-13 20:18:12,975 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 20:18:12,975 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-10-13 20:18:12,975 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2019-10-13 20:18:12,976 INFO L87 Difference]: Start difference. First operand 961 states and 1211 transitions. Second operand 11 states. [2019-10-13 20:18:13,112 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 20:18:13,112 INFO L93 Difference]: Finished difference Result 1913 states and 2413 transitions. [2019-10-13 20:18:13,113 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-10-13 20:18:13,114 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 298 [2019-10-13 20:18:13,114 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 20:18:13,120 INFO L225 Difference]: With dead ends: 1913 [2019-10-13 20:18:13,120 INFO L226 Difference]: Without dead ends: 961 [2019-10-13 20:18:13,124 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2019-10-13 20:18:13,126 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 961 states. [2019-10-13 20:18:13,166 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 961 to 961. [2019-10-13 20:18:13,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 961 states. [2019-10-13 20:18:13,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 961 states to 961 states and 1210 transitions. [2019-10-13 20:18:13,171 INFO L78 Accepts]: Start accepts. Automaton has 961 states and 1210 transitions. Word has length 298 [2019-10-13 20:18:13,172 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 20:18:13,172 INFO L462 AbstractCegarLoop]: Abstraction has 961 states and 1210 transitions. [2019-10-13 20:18:13,172 INFO L463 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-10-13 20:18:13,172 INFO L276 IsEmpty]: Start isEmpty. Operand 961 states and 1210 transitions. [2019-10-13 20:18:13,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 304 [2019-10-13 20:18:13,179 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 20:18:13,179 INFO L380 BasicCegarLoop]: trace histogram [4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:18:13,179 INFO L410 AbstractCegarLoop]: === Iteration 13 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 20:18:13,180 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 20:18:13,180 INFO L82 PathProgramCache]: Analyzing trace with hash -1919779089, now seen corresponding path program 1 times [2019-10-13 20:18:13,180 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 20:18:13,180 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [958567480] [2019-10-13 20:18:13,181 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:18:13,181 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:18:13,181 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 20:18:13,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 20:18:14,252 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2019-10-13 20:18:14,253 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [958567480] [2019-10-13 20:18:14,253 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 20:18:14,253 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-13 20:18:14,253 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [368180783] [2019-10-13 20:18:14,254 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-13 20:18:14,254 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 20:18:14,254 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-13 20:18:14,255 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-13 20:18:14,255 INFO L87 Difference]: Start difference. First operand 961 states and 1210 transitions. Second operand 4 states. [2019-10-13 20:18:16,835 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 20:18:16,835 INFO L93 Difference]: Finished difference Result 961 states and 1210 transitions. [2019-10-13 20:18:16,836 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-13 20:18:16,836 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 303 [2019-10-13 20:18:16,837 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 20:18:16,837 INFO L225 Difference]: With dead ends: 961 [2019-10-13 20:18:16,838 INFO L226 Difference]: Without dead ends: 0 [2019-10-13 20:18:16,845 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 3 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-10-13 20:18:16,845 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-13 20:18:16,845 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-13 20:18:16,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-13 20:18:16,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-13 20:18:16,846 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 303 [2019-10-13 20:18:16,846 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 20:18:16,846 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-13 20:18:16,847 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-13 20:18:16,847 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-13 20:18:16,847 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-13 20:18:16,853 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.