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-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--input--gameport--gameport.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f4eb214f-m [2019-10-13 20:54:19,359 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-13 20:54:19,362 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-13 20:54:19,380 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-13 20:54:19,380 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-13 20:54:19,382 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-13 20:54:19,384 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-13 20:54:19,392 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-13 20:54:19,394 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-13 20:54:19,395 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-13 20:54:19,396 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-13 20:54:19,397 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-13 20:54:19,397 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-13 20:54:19,398 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-13 20:54:19,399 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-13 20:54:19,400 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-13 20:54:19,400 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-13 20:54:19,401 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-13 20:54:19,403 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-13 20:54:19,404 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-13 20:54:19,405 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-13 20:54:19,406 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-13 20:54:19,407 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-13 20:54:19,408 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-13 20:54:19,410 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-13 20:54:19,410 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-13 20:54:19,410 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-13 20:54:19,411 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-13 20:54:19,412 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-13 20:54:19,412 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-13 20:54:19,413 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-13 20:54:19,413 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-13 20:54:19,414 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-13 20:54:19,415 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-13 20:54:19,416 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-13 20:54:19,416 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-13 20:54:19,417 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-13 20:54:19,417 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-13 20:54:19,417 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-13 20:54:19,418 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-13 20:54:19,418 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-13 20:54:19,419 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-13 20:54:19,445 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-13 20:54:19,445 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-13 20:54:19,446 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-13 20:54:19,447 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-13 20:54:19,447 INFO L138 SettingsManager]: * Use SBE=true [2019-10-13 20:54:19,448 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-13 20:54:19,449 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-13 20:54:19,449 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-13 20:54:19,449 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-13 20:54:19,449 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-13 20:54:19,450 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-13 20:54:19,450 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-13 20:54:19,450 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-13 20:54:19,451 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-13 20:54:19,451 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-13 20:54:19,452 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-13 20:54:19,452 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-13 20:54:19,452 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-13 20:54:19,452 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-13 20:54:19,453 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-13 20:54:19,453 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-13 20:54:19,453 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 20:54:19,453 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-13 20:54:19,454 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-13 20:54:19,454 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-13 20:54:19,454 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-13 20:54:19,454 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-13 20:54:19,454 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-13 20:54:19,455 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: Abstract domain -> IntervalDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Abstract interpretation Mode -> USE_PREDICATES [2019-10-13 20:54:19,712 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-13 20:54:19,730 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-13 20:54:19,735 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-13 20:54:19,736 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-13 20:54:19,737 INFO L275 PluginConnector]: CDTParser initialized [2019-10-13 20:54:19,738 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--input--gameport--gameport.ko-entry_point.cil.out.i [2019-10-13 20:54:19,810 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0f17b6fa1/cfa1ad3dc4674448809e7dc7d9158dd4/FLAG666eb523a [2019-10-13 20:54:20,556 INFO L306 CDTParser]: Found 1 translation units. [2019-10-13 20:54:20,556 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--input--gameport--gameport.ko-entry_point.cil.out.i [2019-10-13 20:54:20,589 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0f17b6fa1/cfa1ad3dc4674448809e7dc7d9158dd4/FLAG666eb523a [2019-10-13 20:54:20,652 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0f17b6fa1/cfa1ad3dc4674448809e7dc7d9158dd4 [2019-10-13 20:54:20,662 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-13 20:54:20,664 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-13 20:54:20,664 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-13 20:54:20,665 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-13 20:54:20,668 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-13 20:54:20,668 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 08:54:20" (1/1) ... [2019-10-13 20:54:20,671 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@29972ca4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:54:20, skipping insertion in model container [2019-10-13 20:54:20,671 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 08:54:20" (1/1) ... [2019-10-13 20:54:20,677 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-13 20:54:20,791 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-13 20:54:22,076 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 20:54:22,144 INFO L188 MainTranslator]: Completed pre-run [2019-10-13 20:54:22,544 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 20:54:22,867 INFO L192 MainTranslator]: Completed translation [2019-10-13 20:54:22,868 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:54:22 WrapperNode [2019-10-13 20:54:22,868 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-13 20:54:22,869 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-13 20:54:22,869 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-13 20:54:22,869 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-13 20:54:22,884 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:54:22" (1/1) ... [2019-10-13 20:54:22,884 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:54:22" (1/1) ... [2019-10-13 20:54:22,965 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:54:22" (1/1) ... [2019-10-13 20:54:22,965 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:54:22" (1/1) ... [2019-10-13 20:54:23,084 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:54:22" (1/1) ... [2019-10-13 20:54:23,112 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:54:22" (1/1) ... [2019-10-13 20:54:23,148 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:54:22" (1/1) ... [2019-10-13 20:54:23,181 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-13 20:54:23,181 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-13 20:54:23,182 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-13 20:54:23,182 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-13 20:54:23,183 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:54:22" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 20:54:23,284 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-13 20:54:23,284 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-13 20:54:23,284 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2019-10-13 20:54:23,286 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2019-10-13 20:54:23,286 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2019-10-13 20:54:23,287 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~int [2019-10-13 20:54:23,287 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2019-10-13 20:54:23,288 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2019-10-13 20:54:23,288 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2019-10-13 20:54:23,289 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del_init [2019-10-13 20:54:23,289 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2019-10-13 20:54:23,290 INFO L138 BoogieDeclarations]: Found implementation of procedure paravirt_read_tsc [2019-10-13 20:54:23,290 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_save_flags [2019-10-13 20:54:23,291 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_restore [2019-10-13 20:54:23,291 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_disable [2019-10-13 20:54:23,292 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_save [2019-10-13 20:54:23,293 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_irqs_disabled_flags [2019-10-13 20:54:23,293 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_add_return [2019-10-13 20:54:23,294 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2019-10-13 20:54:23,295 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2019-10-13 20:54:23,295 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2019-10-13 20:54:23,295 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2019-10-13 20:54:23,295 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2019-10-13 20:54:23,296 INFO L138 BoogieDeclarations]: Found implementation of procedure ktime_get_ns [2019-10-13 20:54:23,296 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work [2019-10-13 20:54:23,296 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2019-10-13 20:54:23,297 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2019-10-13 20:54:23,298 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2019-10-13 20:54:23,298 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-10-13 20:54:23,298 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-10-13 20:54:23,298 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2019-10-13 20:54:23,299 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2019-10-13 20:54:23,299 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2019-10-13 20:54:23,299 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ptr [2019-10-13 20:54:23,299 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2019-10-13 20:54:23,300 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2019-10-13 20:54:23,300 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2019-10-13 20:54:23,300 INFO L138 BoogieDeclarations]: Found implementation of procedure device_is_registered [2019-10-13 20:54:23,301 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_read [2019-10-13 20:54:23,301 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_measure_speed [2019-10-13 20:54:23,301 INFO L138 BoogieDeclarations]: Found implementation of procedure old_gameport_measure_speed [2019-10-13 20:54:23,301 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_start_polling [2019-10-13 20:54:23,302 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_stop_polling [2019-10-13 20:54:23,302 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_run_poll_handler [2019-10-13 20:54:23,302 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_bind_driver [2019-10-13 20:54:23,302 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_find_driver [2019-10-13 20:54:23,302 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_get_event [2019-10-13 20:54:23,303 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_free_event [2019-10-13 20:54:23,303 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_remove_duplicate_events [2019-10-13 20:54:23,303 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_handle_events [2019-10-13 20:54:23,303 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_queue_event [2019-10-13 20:54:23,304 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_remove_pending_events [2019-10-13 20:54:23,304 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_get_pending_child [2019-10-13 20:54:23,304 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_description_show [2019-10-13 20:54:23,304 INFO L138 BoogieDeclarations]: Found implementation of procedure drvctl_store [2019-10-13 20:54:23,304 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_release_port [2019-10-13 20:54:23,305 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_set_phys [2019-10-13 20:54:23,305 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_init_port [2019-10-13 20:54:23,305 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_add_port [2019-10-13 20:54:23,305 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_destroy_port [2019-10-13 20:54:23,305 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_reconnect_port [2019-10-13 20:54:23,306 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_disconnect_port [2019-10-13 20:54:23,306 INFO L138 BoogieDeclarations]: Found implementation of procedure __gameport_register_port [2019-10-13 20:54:23,307 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_unregister_port [2019-10-13 20:54:23,307 INFO L138 BoogieDeclarations]: Found implementation of procedure description_show [2019-10-13 20:54:23,307 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_driver_probe [2019-10-13 20:54:23,307 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_driver_remove [2019-10-13 20:54:23,308 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_attach_driver [2019-10-13 20:54:23,308 INFO L138 BoogieDeclarations]: Found implementation of procedure __gameport_register_driver [2019-10-13 20:54:23,308 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_unregister_driver [2019-10-13 20:54:23,308 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_bus_match [2019-10-13 20:54:23,309 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_set_drv [2019-10-13 20:54:23,309 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_open [2019-10-13 20:54:23,310 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_close [2019-10-13 20:54:23,310 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_init [2019-10-13 20:54:23,310 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_exit [2019-10-13 20:54:23,311 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_bus_type_3 [2019-10-13 20:54:23,311 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_work_1 [2019-10-13 20:54:23,312 INFO L138 BoogieDeclarations]: Found implementation of procedure choose_timer_2 [2019-10-13 20:54:23,312 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_2 [2019-10-13 20:54:23,313 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_work_1 [2019-10-13 20:54:23,313 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_2 [2019-10-13 20:54:23,313 INFO L138 BoogieDeclarations]: Found implementation of procedure work_init_1 [2019-10-13 20:54:23,314 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_2 [2019-10-13 20:54:23,314 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_all_1 [2019-10-13 20:54:23,315 INFO L138 BoogieDeclarations]: Found implementation of procedure invoke_work_1 [2019-10-13 20:54:23,315 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_1 [2019-10-13 20:54:23,316 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-13 20:54:23,316 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_queue_work_on_5 [2019-10-13 20:54:23,317 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_queue_delayed_work_on_6 [2019-10-13 20:54:23,317 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_queue_work_on_7 [2019-10-13 20:54:23,317 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_flush_workqueue_8 [2019-10-13 20:54:23,317 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_queue_delayed_work_on_9 [2019-10-13 20:54:23,317 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer_10 [2019-10-13 20:54:23,317 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_11 [2019-10-13 20:54:23,317 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer_12 [2019-10-13 20:54:23,318 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put_13 [2019-10-13 20:54:23,318 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_try_module_get_14 [2019-10-13 20:54:23,318 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put_15 [2019-10-13 20:54:23,318 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___module_get_16 [2019-10-13 20:54:23,318 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync_17 [2019-10-13 20:54:23,318 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_cancel_work_sync_18 [2019-10-13 20:54:23,318 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2019-10-13 20:54:23,319 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2019-10-13 20:54:23,319 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2019-10-13 20:54:23,319 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2019-10-13 20:54:23,319 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2019-10-13 20:54:23,319 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_get [2019-10-13 20:54:23,319 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_try_module_get [2019-10-13 20:54:23,319 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put [2019-10-13 20:54:23,320 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put_and_exit [2019-10-13 20:54:23,320 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_refcount [2019-10-13 20:54:23,320 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-10-13 20:54:23,320 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2019-10-13 20:54:23,320 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_del_entry [2019-10-13 20:54:23,321 INFO L138 BoogieDeclarations]: Found implementation of procedure __msecs_to_jiffies [2019-10-13 20:54:23,321 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2019-10-13 20:54:23,321 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2019-10-13 20:54:23,321 INFO L138 BoogieDeclarations]: Found implementation of procedure __udelay [2019-10-13 20:54:23,321 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2019-10-13 20:54:23,322 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock [2019-10-13 20:54:23,323 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2019-10-13 20:54:23,323 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock [2019-10-13 20:54:23,323 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irqrestore [2019-10-13 20:54:23,324 INFO L138 BoogieDeclarations]: Found implementation of procedure bus_register [2019-10-13 20:54:23,324 INFO L138 BoogieDeclarations]: Found implementation of procedure bus_unregister [2019-10-13 20:54:23,324 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2019-10-13 20:54:23,324 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2019-10-13 20:54:23,324 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2019-10-13 20:54:23,324 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2019-10-13 20:54:23,325 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_name [2019-10-13 20:54:23,325 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_warn [2019-10-13 20:54:23,325 INFO L138 BoogieDeclarations]: Found implementation of procedure device_add [2019-10-13 20:54:23,325 INFO L138 BoogieDeclarations]: Found implementation of procedure device_attach [2019-10-13 20:54:23,326 INFO L138 BoogieDeclarations]: Found implementation of procedure device_bind_driver [2019-10-13 20:54:23,326 INFO L138 BoogieDeclarations]: Found implementation of procedure device_del [2019-10-13 20:54:23,326 INFO L138 BoogieDeclarations]: Found implementation of procedure device_initialize [2019-10-13 20:54:23,329 INFO L138 BoogieDeclarations]: Found implementation of procedure device_release_driver [2019-10-13 20:54:23,329 INFO L138 BoogieDeclarations]: Found implementation of procedure driver_attach [2019-10-13 20:54:23,330 INFO L138 BoogieDeclarations]: Found implementation of procedure driver_find [2019-10-13 20:54:23,330 INFO L138 BoogieDeclarations]: Found implementation of procedure driver_register [2019-10-13 20:54:23,330 INFO L138 BoogieDeclarations]: Found implementation of procedure driver_unregister [2019-10-13 20:54:23,331 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_workqueue [2019-10-13 20:54:23,331 INFO L138 BoogieDeclarations]: Found implementation of procedure ktime_get [2019-10-13 20:54:23,338 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_va_end [2019-10-13 20:54:23,338 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_va_start [2019-10-13 20:54:23,338 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-10-13 20:54:23,338 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2019-10-13 20:54:23,338 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_interruptible_nested [2019-10-13 20:54:23,338 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2019-10-13 20:54:23,339 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2019-10-13 20:54:23,339 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2019-10-13 20:54:23,339 INFO L138 BoogieDeclarations]: Found implementation of procedure put_device [2019-10-13 20:54:23,339 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work_on [2019-10-13 20:54:23,340 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2019-10-13 20:54:23,340 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_off [2019-10-13 20:54:23,340 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_on [2019-10-13 20:54:23,340 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-10-13 20:54:23,340 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-10-13 20:54:23,340 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-10-13 20:54:23,341 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-10-13 20:54:23,341 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-13 20:54:23,341 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_va_end [2019-10-13 20:54:23,341 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2019-10-13 20:54:23,341 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_va_start [2019-10-13 20:54:23,341 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2019-10-13 20:54:23,342 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2019-10-13 20:54:23,342 INFO L130 BoogieDeclarations]: Found specification of procedure vsnprintf [2019-10-13 20:54:23,342 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2019-10-13 20:54:23,342 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-13 20:54:23,342 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2019-10-13 20:54:23,342 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2019-10-13 20:54:23,342 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-13 20:54:23,343 INFO L130 BoogieDeclarations]: Found specification of procedure __list_del_entry [2019-10-13 20:54:23,343 INFO L130 BoogieDeclarations]: Found specification of procedure list_del_init [2019-10-13 20:54:23,343 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2019-10-13 20:54:23,343 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2019-10-13 20:54:23,343 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2019-10-13 20:54:23,343 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-10-13 20:54:23,344 INFO L130 BoogieDeclarations]: Found specification of procedure strncmp [2019-10-13 20:54:23,344 INFO L130 BoogieDeclarations]: Found specification of procedure paravirt_read_tsc [2019-10-13 20:54:23,344 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_save_flags [2019-10-13 20:54:23,344 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_restore [2019-10-13 20:54:23,344 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_disable [2019-10-13 20:54:23,344 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_save [2019-10-13 20:54:23,345 INFO L130 BoogieDeclarations]: Found specification of procedure arch_irqs_disabled_flags [2019-10-13 20:54:23,345 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_on [2019-10-13 20:54:23,345 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_off [2019-10-13 20:54:23,345 INFO L130 BoogieDeclarations]: Found specification of procedure __xadd_wrong_size [2019-10-13 20:54:23,345 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_add_return [2019-10-13 20:54:23,345 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2019-10-13 20:54:23,346 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock [2019-10-13 20:54:23,346 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2019-10-13 20:54:23,346 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock [2019-10-13 20:54:23,346 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore [2019-10-13 20:54:23,346 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2019-10-13 20:54:23,346 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2019-10-13 20:54:23,346 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2019-10-13 20:54:23,347 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2019-10-13 20:54:23,347 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2019-10-13 20:54:23,347 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2019-10-13 20:54:23,347 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_interruptible_nested [2019-10-13 20:54:23,347 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2019-10-13 20:54:23,347 INFO L130 BoogieDeclarations]: Found specification of procedure __msecs_to_jiffies [2019-10-13 20:54:23,347 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2019-10-13 20:54:23,348 INFO L130 BoogieDeclarations]: Found specification of procedure ktime_get [2019-10-13 20:54:23,348 INFO L130 BoogieDeclarations]: Found specification of procedure ktime_get_ns [2019-10-13 20:54:23,348 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-13 20:54:23,348 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-13 20:54:23,348 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-13 20:54:23,348 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-13 20:54:23,348 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2019-10-13 20:54:23,349 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_11 [2019-10-13 20:54:23,349 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2019-10-13 20:54:23,349 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer_10 [2019-10-13 20:54:23,349 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer_12 [2019-10-13 20:54:23,349 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2019-10-13 20:54:23,349 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync_17 [2019-10-13 20:54:23,349 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2019-10-13 20:54:23,349 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_queue_work_on_5 [2019-10-13 20:54:23,350 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_queue_work_on_7 [2019-10-13 20:54:23,350 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work_on [2019-10-13 20:54:23,350 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_queue_delayed_work_on_6 [2019-10-13 20:54:23,350 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_queue_delayed_work_on_9 [2019-10-13 20:54:23,350 INFO L130 BoogieDeclarations]: Found specification of procedure flush_workqueue [2019-10-13 20:54:23,350 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_flush_workqueue_8 [2019-10-13 20:54:23,350 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2019-10-13 20:54:23,350 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_cancel_work_sync_18 [2019-10-13 20:54:23,351 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work [2019-10-13 20:54:23,351 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2019-10-13 20:54:23,351 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___module_get_16 [2019-10-13 20:54:23,351 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_try_module_get_14 [2019-10-13 20:54:23,351 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put_13 [2019-10-13 20:54:23,351 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put_15 [2019-10-13 20:54:23,351 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_try_module_get [2019-10-13 20:54:23,351 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_get [2019-10-13 20:54:23,352 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put [2019-10-13 20:54:23,352 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-10-13 20:54:23,352 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-10-13 20:54:23,352 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2019-10-13 20:54:23,352 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2019-10-13 20:54:23,352 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-13 20:54:23,352 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-10-13 20:54:23,352 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-13 20:54:23,353 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-10-13 20:54:23,353 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-10-13 20:54:23,353 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-10-13 20:54:23,353 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-13 20:54:23,353 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-10-13 20:54:23,353 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-10-13 20:54:23,353 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2019-10-13 20:54:23,353 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2019-10-13 20:54:23,354 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-10-13 20:54:23,354 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2019-10-13 20:54:23,354 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ptr [2019-10-13 20:54:23,354 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2019-10-13 20:54:23,354 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2019-10-13 20:54:23,354 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_bus_type_3 [2019-10-13 20:54:23,354 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_work_1 [2019-10-13 20:54:23,354 INFO L130 BoogieDeclarations]: Found specification of procedure choose_timer_2 [2019-10-13 20:54:23,355 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_2 [2019-10-13 20:54:23,355 INFO L130 BoogieDeclarations]: Found specification of procedure disable_work_1 [2019-10-13 20:54:23,355 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_2 [2019-10-13 20:54:23,356 INFO L130 BoogieDeclarations]: Found specification of procedure work_init_1 [2019-10-13 20:54:23,360 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_2 [2019-10-13 20:54:23,360 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_all_1 [2019-10-13 20:54:23,360 INFO L130 BoogieDeclarations]: Found specification of procedure invoke_work_1 [2019-10-13 20:54:23,360 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_1 [2019-10-13 20:54:23,360 INFO L130 BoogieDeclarations]: Found specification of procedure bus_register [2019-10-13 20:54:23,360 INFO L130 BoogieDeclarations]: Found specification of procedure bus_unregister [2019-10-13 20:54:23,360 INFO L130 BoogieDeclarations]: Found specification of procedure driver_register [2019-10-13 20:54:23,361 INFO L130 BoogieDeclarations]: Found specification of procedure driver_unregister [2019-10-13 20:54:23,363 INFO L130 BoogieDeclarations]: Found specification of procedure driver_find [2019-10-13 20:54:23,363 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_name [2019-10-13 20:54:23,363 INFO L130 BoogieDeclarations]: Found specification of procedure device_is_registered [2019-10-13 20:54:23,363 INFO L130 BoogieDeclarations]: Found specification of procedure device_initialize [2019-10-13 20:54:23,364 INFO L130 BoogieDeclarations]: Found specification of procedure device_add [2019-10-13 20:54:23,364 INFO L130 BoogieDeclarations]: Found specification of procedure device_del [2019-10-13 20:54:23,364 INFO L130 BoogieDeclarations]: Found specification of procedure device_bind_driver [2019-10-13 20:54:23,364 INFO L130 BoogieDeclarations]: Found specification of procedure device_release_driver [2019-10-13 20:54:23,364 INFO L130 BoogieDeclarations]: Found specification of procedure device_attach [2019-10-13 20:54:23,364 INFO L130 BoogieDeclarations]: Found specification of procedure driver_attach [2019-10-13 20:54:23,364 INFO L130 BoogieDeclarations]: Found specification of procedure put_device [2019-10-13 20:54:23,364 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2019-10-13 20:54:23,365 INFO L130 BoogieDeclarations]: Found specification of procedure dev_warn [2019-10-13 20:54:23,365 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2019-10-13 20:54:23,365 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_open [2019-10-13 20:54:23,365 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_close [2019-10-13 20:54:23,365 INFO L130 BoogieDeclarations]: Found specification of procedure __gameport_register_port [2019-10-13 20:54:23,365 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_unregister_port [2019-10-13 20:54:23,365 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_set_phys [2019-10-13 20:54:23,365 INFO L130 BoogieDeclarations]: Found specification of procedure __gameport_register_driver [2019-10-13 20:54:23,366 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_unregister_driver [2019-10-13 20:54:23,366 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_read [2019-10-13 20:54:23,366 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2019-10-13 20:54:23,366 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_start_polling [2019-10-13 20:54:23,366 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_stop_polling [2019-10-13 20:54:23,366 INFO L130 BoogieDeclarations]: Found specification of procedure __udelay [2019-10-13 20:54:23,366 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_add_port [2019-10-13 20:54:23,366 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_attach_driver [2019-10-13 20:54:23,367 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_reconnect_port [2019-10-13 20:54:23,367 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_disconnect_port [2019-10-13 20:54:23,367 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_measure_speed [2019-10-13 20:54:23,367 INFO L130 BoogieDeclarations]: Found specification of procedure old_gameport_measure_speed [2019-10-13 20:54:23,367 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_run_poll_handler [2019-10-13 20:54:23,367 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2019-10-13 20:54:23,367 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_bind_driver [2019-10-13 20:54:23,368 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2019-10-13 20:54:23,368 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_find_driver [2019-10-13 20:54:23,368 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_get_event [2019-10-13 20:54:23,368 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_free_event [2019-10-13 20:54:23,368 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_remove_duplicate_events [2019-10-13 20:54:23,368 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_handle_events [2019-10-13 20:54:23,368 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_queue_event [2019-10-13 20:54:23,368 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_remove_pending_events [2019-10-13 20:54:23,369 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_get_pending_child [2019-10-13 20:54:23,369 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_description_show [2019-10-13 20:54:23,369 INFO L130 BoogieDeclarations]: Found specification of procedure drvctl_store [2019-10-13 20:54:23,369 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_release_port [2019-10-13 20:54:23,369 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_init_port [2019-10-13 20:54:23,369 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_destroy_port [2019-10-13 20:54:23,369 INFO L130 BoogieDeclarations]: Found specification of procedure description_show [2019-10-13 20:54:23,370 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_driver_probe [2019-10-13 20:54:23,370 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_driver_remove [2019-10-13 20:54:23,370 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_bus_match [2019-10-13 20:54:23,370 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_set_drv [2019-10-13 20:54:23,370 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~int [2019-10-13 20:54:23,370 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_init [2019-10-13 20:54:23,370 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_exit [2019-10-13 20:54:23,370 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-10-13 20:54:23,371 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-10-13 20:54:23,371 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2019-10-13 20:54:23,371 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-13 20:54:23,371 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2019-10-13 20:54:23,371 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2019-10-13 20:54:23,371 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2019-10-13 20:54:23,371 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2019-10-13 20:54:23,371 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2019-10-13 20:54:23,371 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put_and_exit [2019-10-13 20:54:23,372 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_refcount [2019-10-13 20:54:23,372 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-10-13 20:54:23,372 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-10-13 20:54:23,372 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-13 20:54:23,372 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-13 20:54:23,372 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-13 20:54:23,372 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-10-13 20:54:23,372 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-13 20:54:24,520 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2019-10-13 20:54:26,438 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_module_put_and_exitFINAL: assume true; [2019-10-13 20:54:26,966 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-13 20:54:26,966 INFO L284 CfgBuilder]: Removed 0 assume(true) statements. [2019-10-13 20:54:26,969 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 08:54:26 BoogieIcfgContainer [2019-10-13 20:54:26,969 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-13 20:54:26,973 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-13 20:54:26,973 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-13 20:54:26,977 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-13 20:54:26,977 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 08:54:20" (1/3) ... [2019-10-13 20:54:26,978 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3810a121 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 08:54:26, skipping insertion in model container [2019-10-13 20:54:26,978 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:54:22" (2/3) ... [2019-10-13 20:54:26,979 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3810a121 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 08:54:26, skipping insertion in model container [2019-10-13 20:54:26,979 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 08:54:26" (3/3) ... [2019-10-13 20:54:26,981 INFO L109 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-08_1a-drivers--input--gameport--gameport.ko-entry_point.cil.out.i [2019-10-13 20:54:26,991 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-13 20:54:27,006 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-13 20:54:27,020 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-13 20:54:27,057 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-13 20:54:27,058 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-13 20:54:27,058 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-13 20:54:27,058 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-13 20:54:27,058 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-13 20:54:27,058 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-13 20:54:27,058 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-13 20:54:27,058 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-13 20:54:27,107 INFO L276 IsEmpty]: Start isEmpty. Operand 1030 states. [2019-10-13 20:54:27,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2019-10-13 20:54:27,137 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 20:54:27,138 INFO L380 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 20:54:27,141 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 20:54:27,147 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 20:54:27,147 INFO L82 PathProgramCache]: Analyzing trace with hash 2006657662, now seen corresponding path program 1 times [2019-10-13 20:54:27,157 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 20:54:27,157 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1376999177] [2019-10-13 20:54:27,157 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:54:27,158 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:54:27,158 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 20:54:27,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 20:54:28,131 INFO L134 CoverageAnalysis]: Checked inductivity of 360 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 360 trivial. 0 not checked. [2019-10-13 20:54:28,132 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1376999177] [2019-10-13 20:54:28,133 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 20:54:28,133 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 20:54:28,133 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1362351347] [2019-10-13 20:54:28,141 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 20:54:28,143 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 20:54:28,160 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 20:54:28,161 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 20:54:28,164 INFO L87 Difference]: Start difference. First operand 1030 states. Second operand 3 states. [2019-10-13 20:54:28,462 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 20:54:28,462 INFO L93 Difference]: Finished difference Result 2562 states and 3407 transitions. [2019-10-13 20:54:28,463 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 20:54:28,465 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 155 [2019-10-13 20:54:28,466 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 20:54:28,506 INFO L225 Difference]: With dead ends: 2562 [2019-10-13 20:54:28,506 INFO L226 Difference]: Without dead ends: 1670 [2019-10-13 20:54:28,521 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 20:54:28,545 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1670 states. [2019-10-13 20:54:28,737 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1670 to 1637. [2019-10-13 20:54:28,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1637 states. [2019-10-13 20:54:28,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1637 states to 1637 states and 2093 transitions. [2019-10-13 20:54:28,752 INFO L78 Accepts]: Start accepts. Automaton has 1637 states and 2093 transitions. Word has length 155 [2019-10-13 20:54:28,753 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 20:54:28,753 INFO L462 AbstractCegarLoop]: Abstraction has 1637 states and 2093 transitions. [2019-10-13 20:54:28,753 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 20:54:28,753 INFO L276 IsEmpty]: Start isEmpty. Operand 1637 states and 2093 transitions. [2019-10-13 20:54:28,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2019-10-13 20:54:28,757 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 20:54:28,758 INFO L380 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 20:54:28,758 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 20:54:28,758 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 20:54:28,758 INFO L82 PathProgramCache]: Analyzing trace with hash -1391693534, now seen corresponding path program 1 times [2019-10-13 20:54:28,759 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 20:54:28,759 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1917684572] [2019-10-13 20:54:28,759 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:54:28,759 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:54:28,759 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 20:54:28,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 20:54:29,051 INFO L134 CoverageAnalysis]: Checked inductivity of 360 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 360 trivial. 0 not checked. [2019-10-13 20:54:29,051 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1917684572] [2019-10-13 20:54:29,052 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 20:54:29,052 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-13 20:54:29,052 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [250695377] [2019-10-13 20:54:29,054 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-13 20:54:29,054 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 20:54:29,054 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-13 20:54:29,055 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2019-10-13 20:54:29,055 INFO L87 Difference]: Start difference. First operand 1637 states and 2093 transitions. Second operand 5 states. [2019-10-13 20:54:32,457 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 20:54:32,458 INFO L93 Difference]: Finished difference Result 7849 states and 10376 transitions. [2019-10-13 20:54:32,458 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-13 20:54:32,458 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 158 [2019-10-13 20:54:32,459 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 20:54:32,529 INFO L225 Difference]: With dead ends: 7849 [2019-10-13 20:54:32,530 INFO L226 Difference]: Without dead ends: 6265 [2019-10-13 20:54:32,541 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2019-10-13 20:54:32,551 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6265 states. [2019-10-13 20:54:32,920 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6265 to 6142. [2019-10-13 20:54:32,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6142 states. [2019-10-13 20:54:32,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6142 states to 6142 states and 8194 transitions. [2019-10-13 20:54:32,974 INFO L78 Accepts]: Start accepts. Automaton has 6142 states and 8194 transitions. Word has length 158 [2019-10-13 20:54:32,974 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 20:54:32,974 INFO L462 AbstractCegarLoop]: Abstraction has 6142 states and 8194 transitions. [2019-10-13 20:54:32,975 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-13 20:54:32,975 INFO L276 IsEmpty]: Start isEmpty. Operand 6142 states and 8194 transitions. [2019-10-13 20:54:32,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2019-10-13 20:54:32,977 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 20:54:32,977 INFO L380 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 20:54:32,978 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 20:54:32,978 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 20:54:32,978 INFO L82 PathProgramCache]: Analyzing trace with hash -1897855011, now seen corresponding path program 1 times [2019-10-13 20:54:32,978 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 20:54:32,978 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1079140981] [2019-10-13 20:54:32,979 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:54:32,979 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:54:32,979 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 20:54:33,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 20:54:33,290 INFO L134 CoverageAnalysis]: Checked inductivity of 360 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 360 trivial. 0 not checked. [2019-10-13 20:54:33,291 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1079140981] [2019-10-13 20:54:33,292 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 20:54:33,292 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 20:54:33,292 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1391432395] [2019-10-13 20:54:33,293 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 20:54:33,293 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 20:54:33,294 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 20:54:33,295 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 20:54:33,296 INFO L87 Difference]: Start difference. First operand 6142 states and 8194 transitions. Second operand 3 states. [2019-10-13 20:54:33,566 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 20:54:33,567 INFO L93 Difference]: Finished difference Result 12222 states and 16957 transitions. [2019-10-13 20:54:33,567 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 20:54:33,568 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 154 [2019-10-13 20:54:33,570 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 20:54:33,630 INFO L225 Difference]: With dead ends: 12222 [2019-10-13 20:54:33,630 INFO L226 Difference]: Without dead ends: 6104 [2019-10-13 20:54:33,673 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 20:54:33,685 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6104 states. [2019-10-13 20:54:34,052 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6104 to 6097. [2019-10-13 20:54:34,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6097 states. [2019-10-13 20:54:34,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6097 states to 6097 states and 8121 transitions. [2019-10-13 20:54:34,088 INFO L78 Accepts]: Start accepts. Automaton has 6097 states and 8121 transitions. Word has length 154 [2019-10-13 20:54:34,088 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 20:54:34,088 INFO L462 AbstractCegarLoop]: Abstraction has 6097 states and 8121 transitions. [2019-10-13 20:54:34,089 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 20:54:34,089 INFO L276 IsEmpty]: Start isEmpty. Operand 6097 states and 8121 transitions. [2019-10-13 20:54:34,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2019-10-13 20:54:34,093 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 20:54:34,093 INFO L380 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 20:54:34,094 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 20:54:34,094 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 20:54:34,094 INFO L82 PathProgramCache]: Analyzing trace with hash 143930643, now seen corresponding path program 1 times [2019-10-13 20:54:34,095 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 20:54:34,095 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [82984950] [2019-10-13 20:54:34,095 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:54:34,098 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:54:34,099 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 20:54:34,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 20:54:34,502 INFO L134 CoverageAnalysis]: Checked inductivity of 360 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 360 trivial. 0 not checked. [2019-10-13 20:54:34,502 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [82984950] [2019-10-13 20:54:34,503 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 20:54:34,503 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 20:54:34,503 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [923145178] [2019-10-13 20:54:34,504 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 20:54:34,504 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 20:54:34,505 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 20:54:34,505 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 20:54:34,505 INFO L87 Difference]: Start difference. First operand 6097 states and 8121 transitions. Second operand 3 states. [2019-10-13 20:54:34,986 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 20:54:34,986 INFO L93 Difference]: Finished difference Result 17605 states and 23389 transitions. [2019-10-13 20:54:34,987 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 20:54:34,987 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 177 [2019-10-13 20:54:34,987 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 20:54:35,086 INFO L225 Difference]: With dead ends: 17605 [2019-10-13 20:54:35,086 INFO L226 Difference]: Without dead ends: 11561 [2019-10-13 20:54:35,123 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 20:54:35,146 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11561 states. [2019-10-13 20:54:35,893 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11561 to 11557. [2019-10-13 20:54:35,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11557 states. [2019-10-13 20:54:35,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11557 states to 11557 states and 15320 transitions. [2019-10-13 20:54:35,956 INFO L78 Accepts]: Start accepts. Automaton has 11557 states and 15320 transitions. Word has length 177 [2019-10-13 20:54:35,956 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 20:54:35,957 INFO L462 AbstractCegarLoop]: Abstraction has 11557 states and 15320 transitions. [2019-10-13 20:54:35,957 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 20:54:35,957 INFO L276 IsEmpty]: Start isEmpty. Operand 11557 states and 15320 transitions. [2019-10-13 20:54:35,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2019-10-13 20:54:35,962 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 20:54:35,963 INFO L380 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 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] [2019-10-13 20:54:35,963 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 20:54:35,963 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 20:54:35,964 INFO L82 PathProgramCache]: Analyzing trace with hash -263053551, now seen corresponding path program 1 times [2019-10-13 20:54:35,964 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 20:54:35,964 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [706317399] [2019-10-13 20:54:35,964 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:54:35,964 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:54:35,965 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 20:54:36,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 20:54:36,278 INFO L134 CoverageAnalysis]: Checked inductivity of 443 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 440 trivial. 0 not checked. [2019-10-13 20:54:36,279 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [706317399] [2019-10-13 20:54:36,279 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 20:54:36,279 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 20:54:36,280 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [636348464] [2019-10-13 20:54:36,280 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 20:54:36,281 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 20:54:36,281 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 20:54:36,285 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 20:54:36,285 INFO L87 Difference]: Start difference. First operand 11557 states and 15320 transitions. Second operand 3 states. [2019-10-13 20:54:37,420 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 20:54:37,420 INFO L93 Difference]: Finished difference Result 28785 states and 38184 transitions. [2019-10-13 20:54:37,421 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 20:54:37,421 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 195 [2019-10-13 20:54:37,421 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 20:54:37,546 INFO L225 Difference]: With dead ends: 28785 [2019-10-13 20:54:37,546 INFO L226 Difference]: Without dead ends: 17281 [2019-10-13 20:54:37,594 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 20:54:37,618 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17281 states. [2019-10-13 20:54:38,382 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17281 to 17277. [2019-10-13 20:54:38,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17277 states. [2019-10-13 20:54:38,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17277 states to 17277 states and 22884 transitions. [2019-10-13 20:54:38,502 INFO L78 Accepts]: Start accepts. Automaton has 17277 states and 22884 transitions. Word has length 195 [2019-10-13 20:54:38,503 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 20:54:38,503 INFO L462 AbstractCegarLoop]: Abstraction has 17277 states and 22884 transitions. [2019-10-13 20:54:38,503 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 20:54:38,503 INFO L276 IsEmpty]: Start isEmpty. Operand 17277 states and 22884 transitions. [2019-10-13 20:54:38,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2019-10-13 20:54:38,508 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 20:54:38,509 INFO L380 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 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] [2019-10-13 20:54:38,509 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 20:54:38,509 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 20:54:38,509 INFO L82 PathProgramCache]: Analyzing trace with hash 1260241050, now seen corresponding path program 1 times [2019-10-13 20:54:38,509 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 20:54:38,510 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [942999949] [2019-10-13 20:54:38,510 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:54:38,510 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:54:38,510 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 20:54:38,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 20:54:39,707 INFO L134 CoverageAnalysis]: Checked inductivity of 373 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 373 trivial. 0 not checked. [2019-10-13 20:54:39,707 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [942999949] [2019-10-13 20:54:39,707 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 20:54:39,708 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 20:54:39,708 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [557195536] [2019-10-13 20:54:39,708 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 20:54:39,709 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 20:54:39,709 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 20:54:39,709 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 20:54:39,709 INFO L87 Difference]: Start difference. First operand 17277 states and 22884 transitions. Second operand 3 states. [2019-10-13 20:54:40,753 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 20:54:40,754 INFO L93 Difference]: Finished difference Result 51521 states and 68220 transitions. [2019-10-13 20:54:40,754 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 20:54:40,754 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 205 [2019-10-13 20:54:40,755 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 20:54:40,988 INFO L225 Difference]: With dead ends: 51521 [2019-10-13 20:54:40,989 INFO L226 Difference]: Without dead ends: 34297 [2019-10-13 20:54:41,058 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 20:54:41,105 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34297 states. [2019-10-13 20:54:42,550 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34297 to 34293. [2019-10-13 20:54:42,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 34293 states. [2019-10-13 20:54:42,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34293 states to 34293 states and 45372 transitions. [2019-10-13 20:54:42,727 INFO L78 Accepts]: Start accepts. Automaton has 34293 states and 45372 transitions. Word has length 205 [2019-10-13 20:54:42,732 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 20:54:42,732 INFO L462 AbstractCegarLoop]: Abstraction has 34293 states and 45372 transitions. [2019-10-13 20:54:42,733 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 20:54:42,733 INFO L276 IsEmpty]: Start isEmpty. Operand 34293 states and 45372 transitions. [2019-10-13 20:54:42,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2019-10-13 20:54:42,738 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 20:54:42,739 INFO L380 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 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] [2019-10-13 20:54:42,739 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 20:54:42,739 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 20:54:42,740 INFO L82 PathProgramCache]: Analyzing trace with hash 1164888931, now seen corresponding path program 1 times [2019-10-13 20:54:42,740 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 20:54:42,740 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [856401762] [2019-10-13 20:54:42,740 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:54:42,740 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:54:42,741 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 20:54:43,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 20:54:43,428 INFO L134 CoverageAnalysis]: Checked inductivity of 373 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 373 trivial. 0 not checked. [2019-10-13 20:54:43,429 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [856401762] [2019-10-13 20:54:43,429 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 20:54:43,429 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-13 20:54:43,429 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1437614664] [2019-10-13 20:54:43,430 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-13 20:54:43,430 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 20:54:43,431 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-13 20:54:43,431 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-13 20:54:43,431 INFO L87 Difference]: Start difference. First operand 34293 states and 45372 transitions. Second operand 6 states. [2019-10-13 20:54:44,815 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 20:54:44,816 INFO L93 Difference]: Finished difference Result 68965 states and 93867 transitions. [2019-10-13 20:54:44,816 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-13 20:54:44,817 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 210 [2019-10-13 20:54:44,817 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 20:54:45,040 INFO L225 Difference]: With dead ends: 68965 [2019-10-13 20:54:45,040 INFO L226 Difference]: Without dead ends: 34725 [2019-10-13 20:54:45,211 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2019-10-13 20:54:45,265 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34725 states. [2019-10-13 20:54:47,844 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34725 to 34653. [2019-10-13 20:54:47,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 34653 states. [2019-10-13 20:54:47,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34653 states to 34653 states and 45912 transitions. [2019-10-13 20:54:47,989 INFO L78 Accepts]: Start accepts. Automaton has 34653 states and 45912 transitions. Word has length 210 [2019-10-13 20:54:47,989 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 20:54:47,989 INFO L462 AbstractCegarLoop]: Abstraction has 34653 states and 45912 transitions. [2019-10-13 20:54:47,989 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-13 20:54:47,990 INFO L276 IsEmpty]: Start isEmpty. Operand 34653 states and 45912 transitions. [2019-10-13 20:54:47,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2019-10-13 20:54:47,996 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 20:54:47,996 INFO L380 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 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] [2019-10-13 20:54:47,997 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 20:54:47,997 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 20:54:47,997 INFO L82 PathProgramCache]: Analyzing trace with hash 31713887, now seen corresponding path program 1 times [2019-10-13 20:54:47,998 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 20:54:47,998 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [678711343] [2019-10-13 20:54:47,998 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:54:47,998 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:54:47,998 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 20:54:48,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 20:54:48,311 INFO L134 CoverageAnalysis]: Checked inductivity of 373 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 373 trivial. 0 not checked. [2019-10-13 20:54:48,312 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [678711343] [2019-10-13 20:54:48,312 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 20:54:48,312 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-13 20:54:48,312 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [948679084] [2019-10-13 20:54:48,313 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-13 20:54:48,314 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 20:54:48,314 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-13 20:54:48,314 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2019-10-13 20:54:48,315 INFO L87 Difference]: Start difference. First operand 34653 states and 45912 transitions. Second operand 5 states.