/usr/bin/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-fb55353 [2019-11-06 23:09:01,475 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-06 23:09:01,477 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-06 23:09:01,489 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-06 23:09:01,490 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-06 23:09:01,491 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-06 23:09:01,493 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-06 23:09:01,496 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-06 23:09:01,504 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-06 23:09:01,506 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-06 23:09:01,507 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-06 23:09:01,509 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-06 23:09:01,509 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-06 23:09:01,510 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-06 23:09:01,513 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-06 23:09:01,514 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-06 23:09:01,515 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-06 23:09:01,519 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-06 23:09:01,521 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-06 23:09:01,522 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-06 23:09:01,524 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-06 23:09:01,525 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-06 23:09:01,526 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-06 23:09:01,527 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-06 23:09:01,529 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-06 23:09:01,529 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-06 23:09:01,530 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-06 23:09:01,531 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-06 23:09:01,531 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-06 23:09:01,532 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-06 23:09:01,532 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-06 23:09:01,533 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-06 23:09:01,534 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-06 23:09:01,535 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-06 23:09:01,536 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-06 23:09:01,536 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-06 23:09:01,536 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-06 23:09:01,537 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-06 23:09:01,537 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-06 23:09:01,538 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-06 23:09:01,539 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-06 23:09:01,539 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 [2019-11-06 23:09:01,553 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-06 23:09:01,553 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-06 23:09:01,554 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-06 23:09:01,555 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-06 23:09:01,555 INFO L138 SettingsManager]: * Use SBE=true [2019-11-06 23:09:01,555 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-06 23:09:01,555 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-06 23:09:01,555 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-06 23:09:01,556 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-06 23:09:01,559 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-06 23:09:01,559 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-06 23:09:01,559 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-06 23:09:01,560 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-06 23:09:01,560 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-06 23:09:01,560 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-06 23:09:01,560 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-06 23:09:01,560 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-06 23:09:01,561 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-06 23:09:01,561 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-06 23:09:01,561 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-06 23:09:01,561 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-06 23:09:01,561 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-06 23:09:01,562 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-06 23:09:01,564 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-06 23:09:01,564 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-06 23:09:01,564 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-06 23:09:01,565 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-06 23:09:01,565 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-06 23:09:01,565 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 [2019-11-06 23:09:01,886 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-06 23:09:01,909 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-06 23:09:01,913 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-06 23:09:01,915 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-06 23:09:01,916 INFO L275 PluginConnector]: CDTParser initialized [2019-11-06 23:09:01,916 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-commit-tester/m0_drivers-media-video-cx88-cx8802-ko--32_7a--d47b389.i [2019-11-06 23:09:01,991 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7820b9386/af8f484744a44261934b9f5041d85ab1/FLAGe8e5b136c [2019-11-06 23:09:02,790 INFO L306 CDTParser]: Found 1 translation units. [2019-11-06 23:09:02,791 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-commit-tester/m0_drivers-media-video-cx88-cx8802-ko--32_7a--d47b389.i [2019-11-06 23:09:02,830 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7820b9386/af8f484744a44261934b9f5041d85ab1/FLAGe8e5b136c [2019-11-06 23:09:03,327 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7820b9386/af8f484744a44261934b9f5041d85ab1 [2019-11-06 23:09:03,337 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-06 23:09:03,339 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-11-06 23:09:03,339 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-06 23:09:03,340 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-06 23:09:03,345 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-06 23:09:03,346 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 11:09:03" (1/1) ... [2019-11-06 23:09:03,349 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3504b202 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:09:03, skipping insertion in model container [2019-11-06 23:09:03,350 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 11:09:03" (1/1) ... [2019-11-06 23:09:03,357 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-06 23:09:03,482 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-06 23:09:05,345 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-06 23:09:05,381 INFO L188 MainTranslator]: Completed pre-run [2019-11-06 23:09:05,755 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-06 23:09:06,105 INFO L192 MainTranslator]: Completed translation [2019-11-06 23:09:06,106 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:09:06 WrapperNode [2019-11-06 23:09:06,106 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-06 23:09:06,107 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-06 23:09:06,108 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-06 23:09:06,108 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-06 23:09:06,124 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:09:06" (1/1) ... [2019-11-06 23:09:06,125 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:09:06" (1/1) ... [2019-11-06 23:09:06,193 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:09:06" (1/1) ... [2019-11-06 23:09:06,196 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:09:06" (1/1) ... [2019-11-06 23:09:06,322 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:09:06" (1/1) ... [2019-11-06 23:09:06,346 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:09:06" (1/1) ... [2019-11-06 23:09:06,381 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:09:06" (1/1) ... [2019-11-06 23:09:06,412 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-06 23:09:06,412 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-06 23:09:06,418 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-06 23:09:06,418 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-06 23:09:06,421 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:09:06" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-06 23:09:06,484 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-06 23:09:06,484 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-06 23:09:06,484 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2019-11-06 23:09:06,484 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2019-11-06 23:09:06,484 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2019-11-06 23:09:06,485 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2019-11-06 23:09:06,485 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2019-11-06 23:09:06,485 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2019-11-06 23:09:06,485 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2019-11-06 23:09:06,485 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2019-11-06 23:09:06,486 INFO L138 BoogieDeclarations]: Found implementation of procedure kobject_name [2019-11-06 23:09:06,486 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2019-11-06 23:09:06,486 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-11-06 23:09:06,486 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2019-11-06 23:09:06,486 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2019-11-06 23:09:06,486 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2019-11-06 23:09:06,487 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2019-11-06 23:09:06,487 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2019-11-06 23:09:06,487 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2019-11-06 23:09:06,487 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2019-11-06 23:09:06,487 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_byte [2019-11-06 23:09:06,488 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_supported [2019-11-06 23:09:06,488 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2019-11-06 23:09:06,488 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_drvdata [2019-11-06 23:09:06,488 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2019-11-06 23:09:06,488 INFO L138 BoogieDeclarations]: Found implementation of procedure request_module_async [2019-11-06 23:09:06,488 INFO L138 BoogieDeclarations]: Found implementation of procedure request_modules [2019-11-06 23:09:06,489 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_request_modules [2019-11-06 23:09:06,489 INFO L138 BoogieDeclarations]: Found implementation of procedure cx8802_start_dma [2019-11-06 23:09:06,489 INFO L138 BoogieDeclarations]: Found implementation of procedure cx8802_stop_dma [2019-11-06 23:09:06,489 INFO L138 BoogieDeclarations]: Found implementation of procedure cx8802_restart_queue [2019-11-06 23:09:06,489 INFO L138 BoogieDeclarations]: Found implementation of procedure cx8802_buf_prepare [2019-11-06 23:09:06,489 INFO L138 BoogieDeclarations]: Found implementation of procedure cx8802_buf_queue [2019-11-06 23:09:06,490 INFO L138 BoogieDeclarations]: Found implementation of procedure do_cancel_buffers [2019-11-06 23:09:06,490 INFO L138 BoogieDeclarations]: Found implementation of procedure cx8802_cancel_buffers [2019-11-06 23:09:06,490 INFO L138 BoogieDeclarations]: Found implementation of procedure cx8802_timeout [2019-11-06 23:09:06,490 INFO L138 BoogieDeclarations]: Found implementation of procedure cx8802_mpeg_irq [2019-11-06 23:09:06,490 INFO L138 BoogieDeclarations]: Found implementation of procedure cx8802_irq [2019-11-06 23:09:06,490 INFO L138 BoogieDeclarations]: Found implementation of procedure cx8802_init_common [2019-11-06 23:09:06,491 INFO L138 BoogieDeclarations]: Found implementation of procedure cx8802_fini_common [2019-11-06 23:09:06,491 INFO L138 BoogieDeclarations]: Found implementation of procedure cx8802_suspend_common [2019-11-06 23:09:06,491 INFO L138 BoogieDeclarations]: Found implementation of procedure cx8802_resume_common [2019-11-06 23:09:06,491 INFO L138 BoogieDeclarations]: Found implementation of procedure cx8802_get_driver [2019-11-06 23:09:06,491 INFO L138 BoogieDeclarations]: Found implementation of procedure cx8802_request_acquire [2019-11-06 23:09:06,491 INFO L138 BoogieDeclarations]: Found implementation of procedure cx8802_request_release [2019-11-06 23:09:06,491 INFO L138 BoogieDeclarations]: Found implementation of procedure cx8802_check_driver [2019-11-06 23:09:06,491 INFO L138 BoogieDeclarations]: Found implementation of procedure cx8802_register_driver [2019-11-06 23:09:06,491 INFO L138 BoogieDeclarations]: Found implementation of procedure cx8802_unregister_driver [2019-11-06 23:09:06,492 INFO L138 BoogieDeclarations]: Found implementation of procedure cx8802_probe [2019-11-06 23:09:06,492 INFO L138 BoogieDeclarations]: Found implementation of procedure cx8802_remove [2019-11-06 23:09:06,492 INFO L138 BoogieDeclarations]: Found implementation of procedure cx8802_init [2019-11-06 23:09:06,492 INFO L138 BoogieDeclarations]: Found implementation of procedure cx8802_fini [2019-11-06 23:09:06,492 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-06 23:09:06,492 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_1 [2019-11-06 23:09:06,492 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_2 [2019-11-06 23:09:06,493 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_3 [2019-11-06 23:09:06,493 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_4 [2019-11-06 23:09:06,493 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_5 [2019-11-06 23:09:06,493 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_6 [2019-11-06 23:09:06,493 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_7 [2019-11-06 23:09:06,493 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_8 [2019-11-06 23:09:06,493 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_9 [2019-11-06 23:09:06,494 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_10 [2019-11-06 23:09:06,494 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_11 [2019-11-06 23:09:06,494 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_12 [2019-11-06 23:09:06,494 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_13 [2019-11-06 23:09:06,494 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2019-11-06 23:09:06,494 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2019-11-06 23:09:06,495 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_lock_of_cx88_core [2019-11-06 23:09:06,495 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_lock_of_cx88_core [2019-11-06 23:09:06,495 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock_of_cx88_core [2019-11-06 23:09:06,495 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_lock_of_cx88_core [2019-11-06 23:09:06,495 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_lock_of_cx88_core [2019-11-06 23:09:06,495 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_lock_of_cx88_core [2019-11-06 23:09:06,495 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock_of_cx88_core [2019-11-06 23:09:06,496 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_lock_of_v4l2_ctrl_handler [2019-11-06 23:09:06,496 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_lock_of_v4l2_ctrl_handler [2019-11-06 23:09:06,496 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock_of_v4l2_ctrl_handler [2019-11-06 23:09:06,496 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_lock_of_v4l2_ctrl_handler [2019-11-06 23:09:06,496 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_lock_of_v4l2_ctrl_handler [2019-11-06 23:09:06,496 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_lock_of_v4l2_ctrl_handler [2019-11-06 23:09:06,496 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock_of_v4l2_ctrl_handler [2019-11-06 23:09:06,497 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_mutex_of_device [2019-11-06 23:09:06,497 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_mutex_of_device [2019-11-06 23:09:06,497 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mutex_of_device [2019-11-06 23:09:06,497 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_mutex_of_device [2019-11-06 23:09:06,497 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2019-11-06 23:09:06,497 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_mutex_of_device [2019-11-06 23:09:06,497 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex_of_device [2019-11-06 23:09:06,498 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_vb_lock_of_videobuf_queue [2019-11-06 23:09:06,498 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_vb_lock_of_videobuf_queue [2019-11-06 23:09:06,498 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_vb_lock_of_videobuf_queue [2019-11-06 23:09:06,498 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_vb_lock_of_videobuf_queue [2019-11-06 23:09:06,498 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_vb_lock_of_videobuf_queue [2019-11-06 23:09:06,498 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_vb_lock_of_videobuf_queue [2019-11-06 23:09:06,499 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_vb_lock_of_videobuf_queue [2019-11-06 23:09:06,499 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-11-06 23:09:06,499 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-11-06 23:09:06,499 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2019-11-06 23:09:06,499 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2019-11-06 23:09:06,499 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2019-11-06 23:09:06,499 INFO L138 BoogieDeclarations]: Found implementation of procedure __pci_register_driver [2019-11-06 23:09:06,500 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2019-11-06 23:09:06,500 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_module [2019-11-06 23:09:06,500 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2019-11-06 23:09:06,500 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock [2019-11-06 23:09:06,500 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2019-11-06 23:09:06,500 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock [2019-11-06 23:09:06,500 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irqrestore [2019-11-06 23:09:06,501 INFO L138 BoogieDeclarations]: Found implementation of procedure btcx_riscmem_free [2019-11-06 23:09:06,501 INFO L138 BoogieDeclarations]: Found implementation of procedure cx88_core_get [2019-11-06 23:09:06,501 INFO L138 BoogieDeclarations]: Found implementation of procedure cx88_core_irq [2019-11-06 23:09:06,501 INFO L138 BoogieDeclarations]: Found implementation of procedure cx88_core_put [2019-11-06 23:09:06,501 INFO L138 BoogieDeclarations]: Found implementation of procedure cx88_free_buffer [2019-11-06 23:09:06,501 INFO L138 BoogieDeclarations]: Found implementation of procedure cx88_print_irqbits [2019-11-06 23:09:06,502 INFO L138 BoogieDeclarations]: Found implementation of procedure cx88_reset [2019-11-06 23:09:06,502 INFO L138 BoogieDeclarations]: Found implementation of procedure cx88_risc_databuffer [2019-11-06 23:09:06,502 INFO L138 BoogieDeclarations]: Found implementation of procedure cx88_risc_stopper [2019-11-06 23:09:06,502 INFO L138 BoogieDeclarations]: Found implementation of procedure cx88_shutdown [2019-11-06 23:09:06,502 INFO L138 BoogieDeclarations]: Found implementation of procedure cx88_sram_channel_dump [2019-11-06 23:09:06,502 INFO L138 BoogieDeclarations]: Found implementation of procedure cx88_sram_channel_setup [2019-11-06 23:09:06,503 INFO L138 BoogieDeclarations]: Found implementation of procedure cx88_wakeup [2019-11-06 23:09:06,503 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2019-11-06 23:09:06,503 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2019-11-06 23:09:06,503 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2019-11-06 23:09:06,503 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2019-11-06 23:09:06,503 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_supported [2019-11-06 23:09:06,503 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_work_sync [2019-11-06 23:09:06,504 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2019-11-06 23:09:06,504 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2019-11-06 23:09:06,504 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value [2019-11-06 23:09:06,504 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value_probe [2019-11-06 23:09:06,504 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler_precall [2019-11-06 23:09:06,504 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2019-11-06 23:09:06,504 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2019-11-06 23:09:06,505 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2019-11-06 23:09:06,505 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2019-11-06 23:09:06,505 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2019-11-06 23:09:06,505 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_trylock [2019-11-06 23:09:06,505 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2019-11-06 23:09:06,505 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_bus_read_config_byte [2019-11-06 23:09:06,505 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_choose_state [2019-11-06 23:09:06,506 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2019-11-06 23:09:06,506 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2019-11-06 23:09:06,506 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_restore_state [2019-11-06 23:09:06,506 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_save_state [2019-11-06 23:09:06,506 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2019-11-06 23:09:06,506 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2019-11-06 23:09:06,506 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unregister_driver [2019-11-06 23:09:06,507 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2019-11-06 23:09:06,507 INFO L138 BoogieDeclarations]: Found implementation of procedure request_threaded_irq [2019-11-06 23:09:06,507 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2019-11-06 23:09:06,507 INFO L138 BoogieDeclarations]: Found implementation of procedure videobuf_iolock [2019-11-06 23:09:06,507 INFO L138 BoogieDeclarations]: Found implementation of procedure videobuf_to_dma [2019-11-06 23:09:06,507 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-11-06 23:09:06,507 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-11-06 23:09:06,508 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-11-06 23:09:06,508 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-06 23:09:06,508 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-06 23:09:06,508 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2019-11-06 23:09:06,509 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-11-06 23:09:06,509 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2019-11-06 23:09:06,509 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-06 23:09:06,509 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2019-11-06 23:09:06,509 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2019-11-06 23:09:06,509 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-06 23:09:06,509 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2019-11-06 23:09:06,510 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2019-11-06 23:09:06,510 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2019-11-06 23:09:06,510 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_trylock [2019-11-06 23:09:06,510 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_2 [2019-11-06 23:09:06,510 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2019-11-06 23:09:06,510 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_3 [2019-11-06 23:09:06,510 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_5 [2019-11-06 23:09:06,511 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_7 [2019-11-06 23:09:06,511 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_9 [2019-11-06 23:09:06,511 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_11 [2019-11-06 23:09:06,511 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_13 [2019-11-06 23:09:06,511 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2019-11-06 23:09:06,511 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_1 [2019-11-06 23:09:06,511 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_4 [2019-11-06 23:09:06,512 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_6 [2019-11-06 23:09:06,512 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_8 [2019-11-06 23:09:06,512 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_10 [2019-11-06 23:09:06,512 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_12 [2019-11-06 23:09:06,512 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock_of_cx88_core [2019-11-06 23:09:06,512 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock_of_cx88_core [2019-11-06 23:09:06,512 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock_of_v4l2_ctrl_handler [2019-11-06 23:09:06,513 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock_of_v4l2_ctrl_handler [2019-11-06 23:09:06,513 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mutex_of_device [2019-11-06 23:09:06,513 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_mutex_of_device [2019-11-06 23:09:06,513 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex_of_device [2019-11-06 23:09:06,513 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_vb_lock_of_videobuf_queue [2019-11-06 23:09:06,513 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_vb_lock_of_videobuf_queue [2019-11-06 23:09:06,513 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2019-11-06 23:09:06,514 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock [2019-11-06 23:09:06,514 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2019-11-06 23:09:06,514 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock [2019-11-06 23:09:06,514 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore [2019-11-06 23:09:06,514 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2019-11-06 23:09:06,514 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2019-11-06 23:09:06,514 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2019-11-06 23:09:06,515 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2019-11-06 23:09:06,515 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2019-11-06 23:09:06,515 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2019-11-06 23:09:06,515 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2019-11-06 23:09:06,515 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2019-11-06 23:09:06,515 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2019-11-06 23:09:06,515 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2019-11-06 23:09:06,516 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2019-11-06 23:09:06,516 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2019-11-06 23:09:06,516 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2019-11-06 23:09:06,516 INFO L130 BoogieDeclarations]: Found specification of procedure flush_work_sync [2019-11-06 23:09:06,516 INFO L130 BoogieDeclarations]: Found specification of procedure __request_module [2019-11-06 23:09:06,516 INFO L130 BoogieDeclarations]: Found specification of procedure kobject_name [2019-11-06 23:09:06,516 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-11-06 23:09:06,517 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-06 23:09:06,517 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-11-06 23:09:06,517 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-11-06 23:09:06,517 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2019-11-06 23:09:06,517 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-11-06 23:09:06,517 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-06 23:09:06,517 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2019-11-06 23:09:06,518 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2019-11-06 23:09:06,518 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2019-11-06 23:09:06,518 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2019-11-06 23:09:06,518 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2019-11-06 23:09:06,518 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2019-11-06 23:09:06,518 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2019-11-06 23:09:06,518 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2019-11-06 23:09:06,519 INFO L130 BoogieDeclarations]: Found specification of procedure dma_supported [2019-11-06 23:09:06,519 INFO L130 BoogieDeclarations]: Found specification of procedure request_threaded_irq [2019-11-06 23:09:06,519 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2019-11-06 23:09:06,519 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2019-11-06 23:09:06,519 INFO L130 BoogieDeclarations]: Found specification of procedure pci_bus_read_config_byte [2019-11-06 23:09:06,519 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_byte [2019-11-06 23:09:06,519 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-06 23:09:06,520 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2019-11-06 23:09:06,520 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2019-11-06 23:09:06,520 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2019-11-06 23:09:06,520 INFO L130 BoogieDeclarations]: Found specification of procedure pci_save_state [2019-11-06 23:09:06,520 INFO L130 BoogieDeclarations]: Found specification of procedure pci_restore_state [2019-11-06 23:09:06,520 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2019-11-06 23:09:06,520 INFO L130 BoogieDeclarations]: Found specification of procedure pci_choose_state [2019-11-06 23:09:06,520 INFO L130 BoogieDeclarations]: Found specification of procedure __pci_register_driver [2019-11-06 23:09:06,521 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unregister_driver [2019-11-06 23:09:06,521 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_supported [2019-11-06 23:09:06,521 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2019-11-06 23:09:06,521 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_drvdata [2019-11-06 23:09:06,521 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2019-11-06 23:09:06,521 INFO L130 BoogieDeclarations]: Found specification of procedure videobuf_iolock [2019-11-06 23:09:06,521 INFO L130 BoogieDeclarations]: Found specification of procedure videobuf_to_dma [2019-11-06 23:09:06,522 INFO L130 BoogieDeclarations]: Found specification of procedure btcx_riscmem_free [2019-11-06 23:09:06,522 INFO L130 BoogieDeclarations]: Found specification of procedure cx88_print_irqbits [2019-11-06 23:09:06,522 INFO L130 BoogieDeclarations]: Found specification of procedure cx88_core_irq [2019-11-06 23:09:06,522 INFO L130 BoogieDeclarations]: Found specification of procedure cx88_wakeup [2019-11-06 23:09:06,522 INFO L130 BoogieDeclarations]: Found specification of procedure cx88_shutdown [2019-11-06 23:09:06,522 INFO L130 BoogieDeclarations]: Found specification of procedure cx88_reset [2019-11-06 23:09:06,522 INFO L130 BoogieDeclarations]: Found specification of procedure cx88_risc_databuffer [2019-11-06 23:09:06,522 INFO L130 BoogieDeclarations]: Found specification of procedure cx88_risc_stopper [2019-11-06 23:09:06,523 INFO L130 BoogieDeclarations]: Found specification of procedure cx88_free_buffer [2019-11-06 23:09:06,523 INFO L130 BoogieDeclarations]: Found specification of procedure cx88_sram_channel_setup [2019-11-06 23:09:06,523 INFO L130 BoogieDeclarations]: Found specification of procedure cx88_sram_channel_dump [2019-11-06 23:09:06,523 INFO L130 BoogieDeclarations]: Found specification of procedure cx88_core_get [2019-11-06 23:09:06,523 INFO L130 BoogieDeclarations]: Found specification of procedure cx88_core_put [2019-11-06 23:09:06,523 INFO L130 BoogieDeclarations]: Found specification of procedure cx8802_register_driver [2019-11-06 23:09:06,524 INFO L130 BoogieDeclarations]: Found specification of procedure cx8802_unregister_driver [2019-11-06 23:09:06,524 INFO L130 BoogieDeclarations]: Found specification of procedure cx8802_get_driver [2019-11-06 23:09:06,524 INFO L130 BoogieDeclarations]: Found specification of procedure cx8802_buf_prepare [2019-11-06 23:09:06,524 INFO L130 BoogieDeclarations]: Found specification of procedure cx8802_buf_queue [2019-11-06 23:09:06,524 INFO L130 BoogieDeclarations]: Found specification of procedure cx8802_cancel_buffers [2019-11-06 23:09:06,524 INFO L130 BoogieDeclarations]: Found specification of procedure request_module_async [2019-11-06 23:09:06,525 INFO L130 BoogieDeclarations]: Found specification of procedure request_modules [2019-11-06 23:09:06,525 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-06 23:09:06,525 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-06 23:09:06,525 INFO L130 BoogieDeclarations]: Found specification of procedure flush_request_modules [2019-11-06 23:09:06,525 INFO L130 BoogieDeclarations]: Found specification of procedure cx8802_start_dma [2019-11-06 23:09:06,525 INFO L130 BoogieDeclarations]: Found specification of procedure cx8802_stop_dma [2019-11-06 23:09:06,525 INFO L130 BoogieDeclarations]: Found specification of procedure cx8802_restart_queue [2019-11-06 23:09:06,526 INFO L130 BoogieDeclarations]: Found specification of procedure do_cancel_buffers [2019-11-06 23:09:06,526 INFO L130 BoogieDeclarations]: Found specification of procedure cx8802_timeout [2019-11-06 23:09:06,526 INFO L130 BoogieDeclarations]: Found specification of procedure cx8802_mpeg_irq [2019-11-06 23:09:06,526 INFO L130 BoogieDeclarations]: Found specification of procedure cx8802_irq [2019-11-06 23:09:06,526 INFO L130 BoogieDeclarations]: Found specification of procedure cx8802_init_common [2019-11-06 23:09:06,526 INFO L130 BoogieDeclarations]: Found specification of procedure cx8802_fini_common [2019-11-06 23:09:06,526 INFO L130 BoogieDeclarations]: Found specification of procedure cx8802_suspend_common [2019-11-06 23:09:06,527 INFO L130 BoogieDeclarations]: Found specification of procedure cx8802_resume_common [2019-11-06 23:09:06,527 INFO L130 BoogieDeclarations]: Found specification of procedure cx8802_request_acquire [2019-11-06 23:09:06,527 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2019-11-06 23:09:06,527 INFO L130 BoogieDeclarations]: Found specification of procedure cx8802_request_release [2019-11-06 23:09:06,527 INFO L130 BoogieDeclarations]: Found specification of procedure cx8802_check_driver [2019-11-06 23:09:06,527 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-11-06 23:09:06,527 INFO L130 BoogieDeclarations]: Found specification of procedure cx8802_probe [2019-11-06 23:09:06,528 INFO L130 BoogieDeclarations]: Found specification of procedure cx8802_remove [2019-11-06 23:09:06,528 INFO L130 BoogieDeclarations]: Found specification of procedure cx8802_init [2019-11-06 23:09:06,528 INFO L130 BoogieDeclarations]: Found specification of procedure cx8802_fini [2019-11-06 23:09:06,528 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-11-06 23:09:06,528 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value [2019-11-06 23:09:06,528 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value_probe [2019-11-06 23:09:06,528 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-11-06 23:09:06,529 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler_precall [2019-11-06 23:09:06,529 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-06 23:09:06,529 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2019-11-06 23:09:06,529 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2019-11-06 23:09:06,529 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_lock_of_cx88_core [2019-11-06 23:09:06,529 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_lock_of_cx88_core [2019-11-06 23:09:06,530 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_lock_of_cx88_core [2019-11-06 23:09:06,530 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_lock_of_cx88_core [2019-11-06 23:09:06,530 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_lock_of_cx88_core [2019-11-06 23:09:06,530 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_lock_of_v4l2_ctrl_handler [2019-11-06 23:09:06,530 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_lock_of_v4l2_ctrl_handler [2019-11-06 23:09:06,530 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_lock_of_v4l2_ctrl_handler [2019-11-06 23:09:06,530 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_lock_of_v4l2_ctrl_handler [2019-11-06 23:09:06,530 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_lock_of_v4l2_ctrl_handler [2019-11-06 23:09:06,531 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_mutex_of_device [2019-11-06 23:09:06,531 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_mutex_of_device [2019-11-06 23:09:06,531 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2019-11-06 23:09:06,531 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_mutex_of_device [2019-11-06 23:09:06,531 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_vb_lock_of_videobuf_queue [2019-11-06 23:09:06,531 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_vb_lock_of_videobuf_queue [2019-11-06 23:09:06,531 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_vb_lock_of_videobuf_queue [2019-11-06 23:09:06,532 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_vb_lock_of_videobuf_queue [2019-11-06 23:09:06,532 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_vb_lock_of_videobuf_queue [2019-11-06 23:09:06,532 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-11-06 23:09:06,532 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-11-06 23:09:06,532 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-11-06 23:09:06,532 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-11-06 23:09:06,532 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-11-06 23:09:06,532 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-06 23:09:06,533 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-11-06 23:09:06,533 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-06 23:09:06,533 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2019-11-06 23:09:06,533 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-06 23:09:06,533 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2019-11-06 23:09:06,533 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-11-06 23:09:06,533 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-11-06 23:09:14,381 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-06 23:09:14,381 INFO L284 CfgBuilder]: Removed 0 assume(true) statements. [2019-11-06 23:09:14,383 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 11:09:14 BoogieIcfgContainer [2019-11-06 23:09:14,383 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-06 23:09:14,384 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-06 23:09:14,384 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-06 23:09:14,387 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-06 23:09:14,387 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 11:09:03" (1/3) ... [2019-11-06 23:09:14,388 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2858ed7c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 11:09:14, skipping insertion in model container [2019-11-06 23:09:14,388 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:09:06" (2/3) ... [2019-11-06 23:09:14,389 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2858ed7c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 11:09:14, skipping insertion in model container [2019-11-06 23:09:14,389 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 11:09:14" (3/3) ... [2019-11-06 23:09:14,390 INFO L109 eAbstractionObserver]: Analyzing ICFG m0_drivers-media-video-cx88-cx8802-ko--32_7a--d47b389.i [2019-11-06 23:09:14,400 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-06 23:09:14,409 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-06 23:09:14,419 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-06 23:09:14,457 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-06 23:09:14,457 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-06 23:09:14,457 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-06 23:09:14,457 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-06 23:09:14,458 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-06 23:09:14,458 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-06 23:09:14,458 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-06 23:09:14,458 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-06 23:09:14,497 INFO L276 IsEmpty]: Start isEmpty. Operand 1024 states. [2019-11-06 23:09:14,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2019-11-06 23:09:14,504 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 23:09:14,505 INFO L410 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] [2019-11-06 23:09:14,506 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 23:09:14,512 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 23:09:14,512 INFO L82 PathProgramCache]: Analyzing trace with hash 60402968, now seen corresponding path program 1 times [2019-11-06 23:09:14,522 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-06 23:09:14,522 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1588542498] [2019-11-06 23:09:14,522 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 23:09:15,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 23:09:15,282 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-06 23:09:15,285 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1588542498] [2019-11-06 23:09:15,286 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-06 23:09:15,286 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-06 23:09:15,287 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1756055504] [2019-11-06 23:09:15,291 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-06 23:09:15,293 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-06 23:09:15,307 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-06 23:09:15,308 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-06 23:09:15,310 INFO L87 Difference]: Start difference. First operand 1024 states. Second operand 3 states. [2019-11-06 23:09:17,449 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-06 23:09:17,450 INFO L93 Difference]: Finished difference Result 1717 states and 2185 transitions. [2019-11-06 23:09:17,450 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-06 23:09:17,452 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 28 [2019-11-06 23:09:17,452 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-06 23:09:17,487 INFO L225 Difference]: With dead ends: 1717 [2019-11-06 23:09:17,487 INFO L226 Difference]: Without dead ends: 967 [2019-11-06 23:09:17,496 INFO L630 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 [2019-11-06 23:09:17,515 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 967 states. [2019-11-06 23:09:17,656 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 967 to 965. [2019-11-06 23:09:17,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 965 states. [2019-11-06 23:09:17,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 965 states to 965 states and 1221 transitions. [2019-11-06 23:09:17,670 INFO L78 Accepts]: Start accepts. Automaton has 965 states and 1221 transitions. Word has length 28 [2019-11-06 23:09:17,671 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-06 23:09:17,671 INFO L462 AbstractCegarLoop]: Abstraction has 965 states and 1221 transitions. [2019-11-06 23:09:17,671 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-06 23:09:17,671 INFO L276 IsEmpty]: Start isEmpty. Operand 965 states and 1221 transitions. [2019-11-06 23:09:17,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2019-11-06 23:09:17,673 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 23:09:17,673 INFO L410 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] [2019-11-06 23:09:17,673 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 23:09:17,673 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 23:09:17,674 INFO L82 PathProgramCache]: Analyzing trace with hash 1871907524, now seen corresponding path program 1 times [2019-11-06 23:09:17,674 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-06 23:09:17,674 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [740712817] [2019-11-06 23:09:17,674 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 23:09:17,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 23:09:17,878 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-06 23:09:17,878 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [740712817] [2019-11-06 23:09:17,878 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-06 23:09:17,878 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-06 23:09:17,879 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [853554288] [2019-11-06 23:09:17,880 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-06 23:09:17,881 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-06 23:09:17,881 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-06 23:09:17,881 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-06 23:09:17,881 INFO L87 Difference]: Start difference. First operand 965 states and 1221 transitions. Second operand 3 states. [2019-11-06 23:09:20,086 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-06 23:09:20,086 INFO L93 Difference]: Finished difference Result 967 states and 1222 transitions. [2019-11-06 23:09:20,086 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-06 23:09:20,087 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 29 [2019-11-06 23:09:20,087 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-06 23:09:20,096 INFO L225 Difference]: With dead ends: 967 [2019-11-06 23:09:20,096 INFO L226 Difference]: Without dead ends: 964 [2019-11-06 23:09:20,097 INFO L630 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 [2019-11-06 23:09:20,101 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 964 states. [2019-11-06 23:09:20,166 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 964 to 964. [2019-11-06 23:09:20,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 964 states. [2019-11-06 23:09:20,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 964 states to 964 states and 1219 transitions. [2019-11-06 23:09:20,173 INFO L78 Accepts]: Start accepts. Automaton has 964 states and 1219 transitions. Word has length 29 [2019-11-06 23:09:20,173 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-06 23:09:20,173 INFO L462 AbstractCegarLoop]: Abstraction has 964 states and 1219 transitions. [2019-11-06 23:09:20,173 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-06 23:09:20,174 INFO L276 IsEmpty]: Start isEmpty. Operand 964 states and 1219 transitions. [2019-11-06 23:09:20,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2019-11-06 23:09:20,174 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 23:09:20,175 INFO L410 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] [2019-11-06 23:09:20,175 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 23:09:20,175 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 23:09:20,175 INFO L82 PathProgramCache]: Analyzing trace with hash -2100988517, now seen corresponding path program 1 times [2019-11-06 23:09:20,175 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-06 23:09:20,176 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1485553858] [2019-11-06 23:09:20,176 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 23:09:20,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 23:09:20,407 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-06 23:09:20,408 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1485553858] [2019-11-06 23:09:20,408 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-06 23:09:20,409 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-06 23:09:20,409 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1342483413] [2019-11-06 23:09:20,409 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-06 23:09:20,410 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-06 23:09:20,411 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-06 23:09:20,411 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-06 23:09:20,411 INFO L87 Difference]: Start difference. First operand 964 states and 1219 transitions. Second operand 3 states. [2019-11-06 23:09:22,648 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-06 23:09:22,649 INFO L93 Difference]: Finished difference Result 966 states and 1220 transitions. [2019-11-06 23:09:22,649 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-06 23:09:22,649 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 30 [2019-11-06 23:09:22,650 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-06 23:09:22,656 INFO L225 Difference]: With dead ends: 966 [2019-11-06 23:09:22,656 INFO L226 Difference]: Without dead ends: 963 [2019-11-06 23:09:22,657 INFO L630 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 [2019-11-06 23:09:22,659 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 963 states. [2019-11-06 23:09:22,704 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 963 to 963. [2019-11-06 23:09:22,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 963 states. [2019-11-06 23:09:22,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 963 states to 963 states and 1217 transitions. [2019-11-06 23:09:22,712 INFO L78 Accepts]: Start accepts. Automaton has 963 states and 1217 transitions. Word has length 30 [2019-11-06 23:09:22,713 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-06 23:09:22,713 INFO L462 AbstractCegarLoop]: Abstraction has 963 states and 1217 transitions. [2019-11-06 23:09:22,713 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-06 23:09:22,713 INFO L276 IsEmpty]: Start isEmpty. Operand 963 states and 1217 transitions. [2019-11-06 23:09:22,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2019-11-06 23:09:22,715 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 23:09:22,715 INFO L410 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] [2019-11-06 23:09:22,715 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 23:09:22,715 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 23:09:22,715 INFO L82 PathProgramCache]: Analyzing trace with hash -706709337, now seen corresponding path program 1 times [2019-11-06 23:09:22,715 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-06 23:09:22,716 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [471688457] [2019-11-06 23:09:22,716 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 23:09:22,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 23:09:22,948 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-06 23:09:22,948 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [471688457] [2019-11-06 23:09:22,949 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-06 23:09:22,949 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-06 23:09:22,949 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1709813329] [2019-11-06 23:09:22,949 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-06 23:09:22,950 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-06 23:09:22,950 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-06 23:09:22,951 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-06 23:09:22,951 INFO L87 Difference]: Start difference. First operand 963 states and 1217 transitions. Second operand 3 states. [2019-11-06 23:09:24,867 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-06 23:09:24,868 INFO L93 Difference]: Finished difference Result 965 states and 1218 transitions. [2019-11-06 23:09:24,970 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-06 23:09:24,971 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 31 [2019-11-06 23:09:24,971 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-06 23:09:24,978 INFO L225 Difference]: With dead ends: 965 [2019-11-06 23:09:24,978 INFO L226 Difference]: Without dead ends: 949 [2019-11-06 23:09:24,979 INFO L630 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 [2019-11-06 23:09:24,981 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 949 states. [2019-11-06 23:09:25,033 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 949 to 949. [2019-11-06 23:09:25,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 949 states. [2019-11-06 23:09:25,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 949 states to 949 states and 1199 transitions. [2019-11-06 23:09:25,044 INFO L78 Accepts]: Start accepts. Automaton has 949 states and 1199 transitions. Word has length 31 [2019-11-06 23:09:25,044 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-06 23:09:25,045 INFO L462 AbstractCegarLoop]: Abstraction has 949 states and 1199 transitions. [2019-11-06 23:09:25,045 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-06 23:09:25,045 INFO L276 IsEmpty]: Start isEmpty. Operand 949 states and 1199 transitions. [2019-11-06 23:09:25,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2019-11-06 23:09:25,058 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 23:09:25,059 INFO L410 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] [2019-11-06 23:09:25,059 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 23:09:25,059 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 23:09:25,060 INFO L82 PathProgramCache]: Analyzing trace with hash 2060811378, now seen corresponding path program 1 times [2019-11-06 23:09:25,060 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-06 23:09:25,061 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1146902989] [2019-11-06 23:09:25,061 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 23:09:25,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 23:09:25,344 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-06 23:09:25,346 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1146902989] [2019-11-06 23:09:25,347 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-06 23:09:25,347 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-06 23:09:25,347 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [186946073] [2019-11-06 23:09:25,348 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-06 23:09:25,348 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-06 23:09:25,348 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-06 23:09:25,348 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-06 23:09:25,351 INFO L87 Difference]: Start difference. First operand 949 states and 1199 transitions. Second operand 3 states. [2019-11-06 23:09:25,435 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-06 23:09:25,436 INFO L93 Difference]: Finished difference Result 1892 states and 2402 transitions. [2019-11-06 23:09:25,436 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-06 23:09:25,436 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 90 [2019-11-06 23:09:25,438 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-06 23:09:25,444 INFO L225 Difference]: With dead ends: 1892 [2019-11-06 23:09:25,444 INFO L226 Difference]: Without dead ends: 965 [2019-11-06 23:09:25,448 INFO L630 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 [2019-11-06 23:09:25,450 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 965 states. [2019-11-06 23:09:25,497 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 965 to 965. [2019-11-06 23:09:25,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 965 states. [2019-11-06 23:09:25,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 965 states to 965 states and 1224 transitions. [2019-11-06 23:09:25,505 INFO L78 Accepts]: Start accepts. Automaton has 965 states and 1224 transitions. Word has length 90 [2019-11-06 23:09:25,506 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-06 23:09:25,506 INFO L462 AbstractCegarLoop]: Abstraction has 965 states and 1224 transitions. [2019-11-06 23:09:25,506 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-06 23:09:25,506 INFO L276 IsEmpty]: Start isEmpty. Operand 965 states and 1224 transitions. [2019-11-06 23:09:25,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2019-11-06 23:09:25,510 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 23:09:25,511 INFO L410 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] [2019-11-06 23:09:25,511 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 23:09:25,511 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 23:09:25,511 INFO L82 PathProgramCache]: Analyzing trace with hash 1202396301, now seen corresponding path program 1 times [2019-11-06 23:09:25,511 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-06 23:09:25,512 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [272306239] [2019-11-06 23:09:25,512 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 23:09:25,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 23:09:25,767 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-11-06 23:09:25,768 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [272306239] [2019-11-06 23:09:25,768 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-06 23:09:25,768 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-06 23:09:25,768 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [760584531] [2019-11-06 23:09:25,769 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-06 23:09:25,769 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-06 23:09:25,769 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-06 23:09:25,770 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-06 23:09:25,770 INFO L87 Difference]: Start difference. First operand 965 states and 1224 transitions. Second operand 5 states. [2019-11-06 23:09:25,841 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-06 23:09:25,842 INFO L93 Difference]: Finished difference Result 1914 states and 2433 transitions. [2019-11-06 23:09:25,842 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-06 23:09:25,842 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 120 [2019-11-06 23:09:25,843 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-06 23:09:25,848 INFO L225 Difference]: With dead ends: 1914 [2019-11-06 23:09:25,848 INFO L226 Difference]: Without dead ends: 965 [2019-11-06 23:09:25,852 INFO L630 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 [2019-11-06 23:09:25,854 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 965 states. [2019-11-06 23:09:25,898 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 965 to 965. [2019-11-06 23:09:25,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 965 states. [2019-11-06 23:09:25,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 965 states to 965 states and 1223 transitions. [2019-11-06 23:09:25,905 INFO L78 Accepts]: Start accepts. Automaton has 965 states and 1223 transitions. Word has length 120 [2019-11-06 23:09:25,905 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-06 23:09:25,905 INFO L462 AbstractCegarLoop]: Abstraction has 965 states and 1223 transitions. [2019-11-06 23:09:25,905 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-06 23:09:25,905 INFO L276 IsEmpty]: Start isEmpty. Operand 965 states and 1223 transitions. [2019-11-06 23:09:25,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2019-11-06 23:09:25,909 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 23:09:25,909 INFO L410 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] [2019-11-06 23:09:25,909 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 23:09:25,909 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 23:09:25,910 INFO L82 PathProgramCache]: Analyzing trace with hash 854552456, now seen corresponding path program 1 times [2019-11-06 23:09:25,910 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-06 23:09:25,910 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [716363944] [2019-11-06 23:09:25,910 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 23:09:25,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 23:09:26,214 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-11-06 23:09:26,215 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [716363944] [2019-11-06 23:09:26,215 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-06 23:09:26,215 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-11-06 23:09:26,215 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [472237051] [2019-11-06 23:09:26,216 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-06 23:09:26,216 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-06 23:09:26,216 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-06 23:09:26,217 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-11-06 23:09:26,217 INFO L87 Difference]: Start difference. First operand 965 states and 1223 transitions. Second operand 6 states. [2019-11-06 23:09:26,362 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-06 23:09:26,362 INFO L93 Difference]: Finished difference Result 1917 states and 2435 transitions. [2019-11-06 23:09:26,363 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-06 23:09:26,363 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 127 [2019-11-06 23:09:26,365 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-06 23:09:26,374 INFO L225 Difference]: With dead ends: 1917 [2019-11-06 23:09:26,374 INFO L226 Difference]: Without dead ends: 965 [2019-11-06 23:09:26,380 INFO L630 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 [2019-11-06 23:09:26,383 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 965 states. [2019-11-06 23:09:26,455 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 965 to 965. [2019-11-06 23:09:26,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 965 states. [2019-11-06 23:09:26,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 965 states to 965 states and 1222 transitions. [2019-11-06 23:09:26,467 INFO L78 Accepts]: Start accepts. Automaton has 965 states and 1222 transitions. Word has length 127 [2019-11-06 23:09:26,469 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-06 23:09:26,470 INFO L462 AbstractCegarLoop]: Abstraction has 965 states and 1222 transitions. [2019-11-06 23:09:26,470 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-06 23:09:26,470 INFO L276 IsEmpty]: Start isEmpty. Operand 965 states and 1222 transitions. [2019-11-06 23:09:26,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2019-11-06 23:09:26,475 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 23:09:26,476 INFO L410 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] [2019-11-06 23:09:26,476 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 23:09:26,476 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 23:09:26,477 INFO L82 PathProgramCache]: Analyzing trace with hash -1068857833, now seen corresponding path program 1 times [2019-11-06 23:09:26,477 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-06 23:09:26,477 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [652003097] [2019-11-06 23:09:26,477 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 23:09:26,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 23:09:26,951 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-11-06 23:09:26,952 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [652003097] [2019-11-06 23:09:26,952 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-06 23:09:26,952 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-11-06 23:09:26,952 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [689516148] [2019-11-06 23:09:26,953 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-06 23:09:26,953 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-06 23:09:26,953 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-06 23:09:26,954 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-11-06 23:09:26,954 INFO L87 Difference]: Start difference. First operand 965 states and 1222 transitions. Second operand 6 states. [2019-11-06 23:09:27,054 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-06 23:09:27,056 INFO L93 Difference]: Finished difference Result 1917 states and 2433 transitions. [2019-11-06 23:09:27,056 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-06 23:09:27,056 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 149 [2019-11-06 23:09:27,057 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-06 23:09:27,062 INFO L225 Difference]: With dead ends: 1917 [2019-11-06 23:09:27,063 INFO L226 Difference]: Without dead ends: 965 [2019-11-06 23:09:27,067 INFO L630 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 [2019-11-06 23:09:27,069 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 965 states. [2019-11-06 23:09:27,116 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 965 to 965. [2019-11-06 23:09:27,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 965 states. [2019-11-06 23:09:27,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 965 states to 965 states and 1221 transitions. [2019-11-06 23:09:27,123 INFO L78 Accepts]: Start accepts. Automaton has 965 states and 1221 transitions. Word has length 149 [2019-11-06 23:09:27,123 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-06 23:09:27,123 INFO L462 AbstractCegarLoop]: Abstraction has 965 states and 1221 transitions. [2019-11-06 23:09:27,123 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-06 23:09:27,123 INFO L276 IsEmpty]: Start isEmpty. Operand 965 states and 1221 transitions. [2019-11-06 23:09:27,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2019-11-06 23:09:27,131 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 23:09:27,131 INFO L410 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] [2019-11-06 23:09:27,131 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 23:09:27,132 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 23:09:27,132 INFO L82 PathProgramCache]: Analyzing trace with hash 695524565, now seen corresponding path program 1 times [2019-11-06 23:09:27,132 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-06 23:09:27,133 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1021584969] [2019-11-06 23:09:27,133 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 23:09:27,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 23:09:27,447 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-11-06 23:09:27,448 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1021584969] [2019-11-06 23:09:27,448 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-06 23:09:27,448 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-11-06 23:09:27,448 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1401080900] [2019-11-06 23:09:27,449 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-11-06 23:09:27,449 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-06 23:09:27,449 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-06 23:09:27,449 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-11-06 23:09:27,450 INFO L87 Difference]: Start difference. First operand 965 states and 1221 transitions. Second operand 8 states. [2019-11-06 23:09:27,614 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-06 23:09:27,614 INFO L93 Difference]: Finished difference Result 1922 states and 2439 transitions. [2019-11-06 23:09:27,614 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-11-06 23:09:27,615 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 165 [2019-11-06 23:09:27,615 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-06 23:09:27,620 INFO L225 Difference]: With dead ends: 1922 [2019-11-06 23:09:27,621 INFO L226 Difference]: Without dead ends: 965 [2019-11-06 23:09:27,624 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2019-11-06 23:09:27,626 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 965 states. [2019-11-06 23:09:27,665 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 965 to 965. [2019-11-06 23:09:27,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 965 states. [2019-11-06 23:09:27,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 965 states to 965 states and 1219 transitions. [2019-11-06 23:09:27,676 INFO L78 Accepts]: Start accepts. Automaton has 965 states and 1219 transitions. Word has length 165 [2019-11-06 23:09:27,677 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-06 23:09:27,677 INFO L462 AbstractCegarLoop]: Abstraction has 965 states and 1219 transitions. [2019-11-06 23:09:27,677 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-11-06 23:09:27,677 INFO L276 IsEmpty]: Start isEmpty. Operand 965 states and 1219 transitions. [2019-11-06 23:09:27,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 253 [2019-11-06 23:09:27,683 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 23:09:27,683 INFO L410 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] [2019-11-06 23:09:27,683 INFO L410 AbstractCegarLoop]: === Iteration 10 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 23:09:27,684 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 23:09:27,684 INFO L82 PathProgramCache]: Analyzing trace with hash -1218909751, now seen corresponding path program 1 times [2019-11-06 23:09:27,684 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-06 23:09:27,685 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1439134169] [2019-11-06 23:09:27,685 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 23:09:27,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 23:09:28,155 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2019-11-06 23:09:28,156 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1439134169] [2019-11-06 23:09:28,156 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-06 23:09:28,156 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-11-06 23:09:28,165 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [920787844] [2019-11-06 23:09:28,166 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-11-06 23:09:28,167 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-06 23:09:28,167 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-06 23:09:28,167 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-11-06 23:09:28,167 INFO L87 Difference]: Start difference. First operand 965 states and 1219 transitions. Second operand 8 states. [2019-11-06 23:09:28,316 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-06 23:09:28,316 INFO L93 Difference]: Finished difference Result 1922 states and 2435 transitions. [2019-11-06 23:09:28,317 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-11-06 23:09:28,317 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 252 [2019-11-06 23:09:28,318 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-06 23:09:28,324 INFO L225 Difference]: With dead ends: 1922 [2019-11-06 23:09:28,324 INFO L226 Difference]: Without dead ends: 965 [2019-11-06 23:09:28,329 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2019-11-06 23:09:28,331 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 965 states. [2019-11-06 23:09:28,371 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 965 to 965. [2019-11-06 23:09:28,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 965 states. [2019-11-06 23:09:28,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 965 states to 965 states and 1218 transitions. [2019-11-06 23:09:28,378 INFO L78 Accepts]: Start accepts. Automaton has 965 states and 1218 transitions. Word has length 252 [2019-11-06 23:09:28,379 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-06 23:09:28,380 INFO L462 AbstractCegarLoop]: Abstraction has 965 states and 1218 transitions. [2019-11-06 23:09:28,380 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-11-06 23:09:28,380 INFO L276 IsEmpty]: Start isEmpty. Operand 965 states and 1218 transitions. [2019-11-06 23:09:28,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 272 [2019-11-06 23:09:28,386 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 23:09:28,386 INFO L410 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] [2019-11-06 23:09:28,387 INFO L410 AbstractCegarLoop]: === Iteration 11 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 23:09:28,387 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 23:09:28,387 INFO L82 PathProgramCache]: Analyzing trace with hash 1858631219, now seen corresponding path program 1 times [2019-11-06 23:09:28,387 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-06 23:09:28,387 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [347276776] [2019-11-06 23:09:28,388 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 23:09:28,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 23:09:28,787 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2019-11-06 23:09:28,788 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [347276776] [2019-11-06 23:09:28,788 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-06 23:09:28,788 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-06 23:09:28,789 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1411459264] [2019-11-06 23:09:28,789 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-06 23:09:28,789 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-06 23:09:28,790 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-06 23:09:28,790 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-06 23:09:28,790 INFO L87 Difference]: Start difference. First operand 965 states and 1218 transitions. Second operand 5 states. [2019-11-06 23:09:28,858 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-06 23:09:28,859 INFO L93 Difference]: Finished difference Result 1904 states and 2408 transitions. [2019-11-06 23:09:28,859 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-06 23:09:28,859 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 271 [2019-11-06 23:09:28,860 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-06 23:09:28,865 INFO L225 Difference]: With dead ends: 1904 [2019-11-06 23:09:28,866 INFO L226 Difference]: Without dead ends: 961 [2019-11-06 23:09:28,870 INFO L630 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 [2019-11-06 23:09:28,872 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 961 states. [2019-11-06 23:09:28,909 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 961 to 961. [2019-11-06 23:09:28,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 961 states. [2019-11-06 23:09:28,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 961 states to 961 states and 1211 transitions. [2019-11-06 23:09:28,914 INFO L78 Accepts]: Start accepts. Automaton has 961 states and 1211 transitions. Word has length 271 [2019-11-06 23:09:28,915 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-06 23:09:28,915 INFO L462 AbstractCegarLoop]: Abstraction has 961 states and 1211 transitions. [2019-11-06 23:09:28,915 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-06 23:09:28,915 INFO L276 IsEmpty]: Start isEmpty. Operand 961 states and 1211 transitions. [2019-11-06 23:09:28,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 299 [2019-11-06 23:09:28,921 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 23:09:28,922 INFO L410 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] [2019-11-06 23:09:28,922 INFO L410 AbstractCegarLoop]: === Iteration 12 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 23:09:28,922 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 23:09:28,922 INFO L82 PathProgramCache]: Analyzing trace with hash -825066065, now seen corresponding path program 1 times [2019-11-06 23:09:28,923 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-06 23:09:28,923 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [490201611] [2019-11-06 23:09:28,923 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 23:09:29,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 23:09:29,482 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2019-11-06 23:09:29,483 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [490201611] [2019-11-06 23:09:29,483 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-06 23:09:29,483 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2019-11-06 23:09:29,483 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1267827619] [2019-11-06 23:09:29,484 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-11-06 23:09:29,484 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-06 23:09:29,484 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-11-06 23:09:29,485 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2019-11-06 23:09:29,485 INFO L87 Difference]: Start difference. First operand 961 states and 1211 transitions. Second operand 11 states. [2019-11-06 23:09:29,607 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-06 23:09:29,607 INFO L93 Difference]: Finished difference Result 1913 states and 2413 transitions. [2019-11-06 23:09:29,609 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-11-06 23:09:29,609 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 298 [2019-11-06 23:09:29,609 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-06 23:09:29,615 INFO L225 Difference]: With dead ends: 1913 [2019-11-06 23:09:29,615 INFO L226 Difference]: Without dead ends: 961 [2019-11-06 23:09:29,619 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2019-11-06 23:09:29,621 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 961 states. [2019-11-06 23:09:29,660 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 961 to 961. [2019-11-06 23:09:29,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 961 states. [2019-11-06 23:09:29,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 961 states to 961 states and 1210 transitions. [2019-11-06 23:09:29,665 INFO L78 Accepts]: Start accepts. Automaton has 961 states and 1210 transitions. Word has length 298 [2019-11-06 23:09:29,666 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-06 23:09:29,666 INFO L462 AbstractCegarLoop]: Abstraction has 961 states and 1210 transitions. [2019-11-06 23:09:29,666 INFO L463 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-11-06 23:09:29,666 INFO L276 IsEmpty]: Start isEmpty. Operand 961 states and 1210 transitions. [2019-11-06 23:09:29,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 304 [2019-11-06 23:09:29,672 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 23:09:29,672 INFO L410 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] [2019-11-06 23:09:29,673 INFO L410 AbstractCegarLoop]: === Iteration 13 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 23:09:29,673 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 23:09:29,673 INFO L82 PathProgramCache]: Analyzing trace with hash -1919779089, now seen corresponding path program 1 times [2019-11-06 23:09:29,673 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-06 23:09:29,673 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1642942085] [2019-11-06 23:09:29,674 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 23:09:30,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 23:09:30,718 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2019-11-06 23:09:30,718 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1642942085] [2019-11-06 23:09:30,718 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-06 23:09:30,719 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-06 23:09:30,719 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1751339860] [2019-11-06 23:09:30,720 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-06 23:09:30,720 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-06 23:09:30,720 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-06 23:09:30,720 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-06 23:09:30,720 INFO L87 Difference]: Start difference. First operand 961 states and 1210 transitions. Second operand 4 states. [2019-11-06 23:09:33,221 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-06 23:09:33,221 INFO L93 Difference]: Finished difference Result 961 states and 1210 transitions. [2019-11-06 23:09:33,221 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-06 23:09:33,222 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 303 [2019-11-06 23:09:33,222 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-06 23:09:33,223 INFO L225 Difference]: With dead ends: 961 [2019-11-06 23:09:33,223 INFO L226 Difference]: Without dead ends: 0 [2019-11-06 23:09:33,228 INFO L630 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 [2019-11-06 23:09:33,228 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-06 23:09:33,228 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-06 23:09:33,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-06 23:09:33,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-06 23:09:33,229 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 303 [2019-11-06 23:09:33,229 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-06 23:09:33,229 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-06 23:09:33,229 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-06 23:09:33,230 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-06 23:09:33,230 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-06 23:09:33,235 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-06 23:09:34,413 WARN L191 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 1