/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --abstractinterpretationv2.abstract.domain IntervalDomain --traceabstraction.trace.refinement.strategy TAIPAN --traceabstraction.abstract.interpretation.mode USE_PREDICATES -i ../../../trunk/examples/svcomp/ldv-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-fb55353 [2019-11-07 00:13:20,351 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-07 00:13:20,354 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-07 00:13:20,372 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-07 00:13:20,372 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-07 00:13:20,374 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-07 00:13:20,376 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-07 00:13:20,385 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-07 00:13:20,389 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-07 00:13:20,393 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-07 00:13:20,394 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-07 00:13:20,396 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-07 00:13:20,396 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-07 00:13:20,398 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-07 00:13:20,399 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-07 00:13:20,401 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-07 00:13:20,402 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-07 00:13:20,403 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-07 00:13:20,404 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-07 00:13:20,409 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-07 00:13:20,413 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-07 00:13:20,416 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-07 00:13:20,418 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-07 00:13:20,419 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-07 00:13:20,421 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-07 00:13:20,421 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-07 00:13:20,421 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-07 00:13:20,422 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-07 00:13:20,423 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-07 00:13:20,424 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-07 00:13:20,425 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-07 00:13:20,425 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-07 00:13:20,427 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-07 00:13:20,428 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-07 00:13:20,430 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-07 00:13:20,430 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-07 00:13:20,430 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-07 00:13:20,431 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-07 00:13:20,431 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-07 00:13:20,431 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-07 00:13:20,432 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-07 00:13:20,433 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-07 00:13:20,448 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-07 00:13:20,448 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-07 00:13:20,449 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-07 00:13:20,449 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-07 00:13:20,450 INFO L138 SettingsManager]: * Use SBE=true [2019-11-07 00:13:20,450 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-07 00:13:20,450 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-07 00:13:20,450 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-07 00:13:20,450 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-07 00:13:20,451 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-07 00:13:20,451 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-07 00:13:20,451 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-07 00:13:20,451 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-07 00:13:20,451 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-07 00:13:20,452 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-07 00:13:20,452 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-07 00:13:20,452 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-07 00:13:20,452 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-07 00:13:20,452 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-07 00:13:20,452 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-07 00:13:20,453 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-07 00:13:20,453 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-07 00:13:20,453 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-07 00:13:20,453 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-07 00:13:20,453 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-07 00:13:20,454 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-07 00:13:20,454 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-07 00:13:20,454 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-07 00:13:20,454 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: Abstract domain -> IntervalDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Abstract interpretation Mode -> USE_PREDICATES [2019-11-07 00:13:20,731 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-07 00:13:20,743 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-07 00:13:20,746 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-07 00:13:20,748 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-07 00:13:20,748 INFO L275 PluginConnector]: CDTParser initialized [2019-11-07 00:13:20,749 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--input--gameport--gameport.ko-entry_point.cil.out.i [2019-11-07 00:13:20,816 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/161738f86/6223a42494fe40a8a8a0866922336ec8/FLAG704c35fbe [2019-11-07 00:13:21,447 INFO L306 CDTParser]: Found 1 translation units. [2019-11-07 00:13:21,448 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--input--gameport--gameport.ko-entry_point.cil.out.i [2019-11-07 00:13:21,485 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/161738f86/6223a42494fe40a8a8a0866922336ec8/FLAG704c35fbe [2019-11-07 00:13:21,577 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/161738f86/6223a42494fe40a8a8a0866922336ec8 [2019-11-07 00:13:21,585 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-07 00:13:21,586 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-11-07 00:13:21,587 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-07 00:13:21,587 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-07 00:13:21,591 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-07 00:13:21,592 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 12:13:21" (1/1) ... [2019-11-07 00:13:21,595 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7b75302f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:13:21, skipping insertion in model container [2019-11-07 00:13:21,595 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 12:13:21" (1/1) ... [2019-11-07 00:13:21,602 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-07 00:13:21,714 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-07 00:13:23,160 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 00:13:23,257 INFO L188 MainTranslator]: Completed pre-run [2019-11-07 00:13:23,584 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 00:13:23,885 INFO L192 MainTranslator]: Completed translation [2019-11-07 00:13:23,886 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:13:23 WrapperNode [2019-11-07 00:13:23,886 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-07 00:13:23,887 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-07 00:13:23,887 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-07 00:13:23,887 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-07 00:13:23,903 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:13:23" (1/1) ... [2019-11-07 00:13:23,904 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:13:23" (1/1) ... [2019-11-07 00:13:23,997 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:13:23" (1/1) ... [2019-11-07 00:13:24,001 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:13:23" (1/1) ... [2019-11-07 00:13:24,093 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:13:23" (1/1) ... [2019-11-07 00:13:24,123 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:13:23" (1/1) ... [2019-11-07 00:13:24,153 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:13:23" (1/1) ... [2019-11-07 00:13:24,177 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-07 00:13:24,178 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-07 00:13:24,178 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-07 00:13:24,178 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-07 00:13:24,179 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:13:23" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-07 00:13:24,251 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-07 00:13:24,251 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-07 00:13:24,251 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2019-11-07 00:13:24,252 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2019-11-07 00:13:24,252 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2019-11-07 00:13:24,253 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~int [2019-11-07 00:13:24,253 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2019-11-07 00:13:24,254 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2019-11-07 00:13:24,255 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2019-11-07 00:13:24,256 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del_init [2019-11-07 00:13:24,256 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2019-11-07 00:13:24,257 INFO L138 BoogieDeclarations]: Found implementation of procedure paravirt_read_tsc [2019-11-07 00:13:24,257 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_save_flags [2019-11-07 00:13:24,258 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_restore [2019-11-07 00:13:24,258 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_disable [2019-11-07 00:13:24,259 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_save [2019-11-07 00:13:24,262 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_irqs_disabled_flags [2019-11-07 00:13:24,262 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_add_return [2019-11-07 00:13:24,262 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2019-11-07 00:13:24,263 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2019-11-07 00:13:24,263 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2019-11-07 00:13:24,263 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2019-11-07 00:13:24,264 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2019-11-07 00:13:24,264 INFO L138 BoogieDeclarations]: Found implementation of procedure ktime_get_ns [2019-11-07 00:13:24,264 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work [2019-11-07 00:13:24,264 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2019-11-07 00:13:24,264 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2019-11-07 00:13:24,264 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2019-11-07 00:13:24,265 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-11-07 00:13:24,265 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-11-07 00:13:24,265 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2019-11-07 00:13:24,265 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2019-11-07 00:13:24,265 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2019-11-07 00:13:24,265 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ptr [2019-11-07 00:13:24,265 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2019-11-07 00:13:24,266 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2019-11-07 00:13:24,266 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2019-11-07 00:13:24,266 INFO L138 BoogieDeclarations]: Found implementation of procedure device_is_registered [2019-11-07 00:13:24,266 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_read [2019-11-07 00:13:24,266 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_measure_speed [2019-11-07 00:13:24,267 INFO L138 BoogieDeclarations]: Found implementation of procedure old_gameport_measure_speed [2019-11-07 00:13:24,267 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_start_polling [2019-11-07 00:13:24,267 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_stop_polling [2019-11-07 00:13:24,267 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_run_poll_handler [2019-11-07 00:13:24,267 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_bind_driver [2019-11-07 00:13:24,267 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_find_driver [2019-11-07 00:13:24,267 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_get_event [2019-11-07 00:13:24,268 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_free_event [2019-11-07 00:13:24,268 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_remove_duplicate_events [2019-11-07 00:13:24,268 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_handle_events [2019-11-07 00:13:24,268 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_queue_event [2019-11-07 00:13:24,268 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_remove_pending_events [2019-11-07 00:13:24,268 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_get_pending_child [2019-11-07 00:13:24,268 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_description_show [2019-11-07 00:13:24,269 INFO L138 BoogieDeclarations]: Found implementation of procedure drvctl_store [2019-11-07 00:13:24,269 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_release_port [2019-11-07 00:13:24,269 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_set_phys [2019-11-07 00:13:24,269 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_init_port [2019-11-07 00:13:24,269 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_add_port [2019-11-07 00:13:24,269 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_destroy_port [2019-11-07 00:13:24,269 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_reconnect_port [2019-11-07 00:13:24,270 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_disconnect_port [2019-11-07 00:13:24,270 INFO L138 BoogieDeclarations]: Found implementation of procedure __gameport_register_port [2019-11-07 00:13:24,270 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_unregister_port [2019-11-07 00:13:24,271 INFO L138 BoogieDeclarations]: Found implementation of procedure description_show [2019-11-07 00:13:24,271 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_driver_probe [2019-11-07 00:13:24,271 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_driver_remove [2019-11-07 00:13:24,271 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_attach_driver [2019-11-07 00:13:24,271 INFO L138 BoogieDeclarations]: Found implementation of procedure __gameport_register_driver [2019-11-07 00:13:24,271 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_unregister_driver [2019-11-07 00:13:24,271 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_bus_match [2019-11-07 00:13:24,272 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_set_drv [2019-11-07 00:13:24,272 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_open [2019-11-07 00:13:24,272 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_close [2019-11-07 00:13:24,272 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_init [2019-11-07 00:13:24,273 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_exit [2019-11-07 00:13:24,273 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_bus_type_3 [2019-11-07 00:13:24,273 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_work_1 [2019-11-07 00:13:24,273 INFO L138 BoogieDeclarations]: Found implementation of procedure choose_timer_2 [2019-11-07 00:13:24,274 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_2 [2019-11-07 00:13:24,274 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_work_1 [2019-11-07 00:13:24,274 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_2 [2019-11-07 00:13:24,275 INFO L138 BoogieDeclarations]: Found implementation of procedure work_init_1 [2019-11-07 00:13:24,275 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_2 [2019-11-07 00:13:24,275 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_all_1 [2019-11-07 00:13:24,275 INFO L138 BoogieDeclarations]: Found implementation of procedure invoke_work_1 [2019-11-07 00:13:24,276 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_1 [2019-11-07 00:13:24,276 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-07 00:13:24,276 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_queue_work_on_5 [2019-11-07 00:13:24,277 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_queue_delayed_work_on_6 [2019-11-07 00:13:24,277 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_queue_work_on_7 [2019-11-07 00:13:24,277 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_flush_workqueue_8 [2019-11-07 00:13:24,277 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_queue_delayed_work_on_9 [2019-11-07 00:13:24,277 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer_10 [2019-11-07 00:13:24,277 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_11 [2019-11-07 00:13:24,277 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer_12 [2019-11-07 00:13:24,278 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put_13 [2019-11-07 00:13:24,278 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_try_module_get_14 [2019-11-07 00:13:24,278 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put_15 [2019-11-07 00:13:24,278 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___module_get_16 [2019-11-07 00:13:24,278 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync_17 [2019-11-07 00:13:24,278 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_cancel_work_sync_18 [2019-11-07 00:13:24,278 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2019-11-07 00:13:24,278 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2019-11-07 00:13:24,279 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2019-11-07 00:13:24,279 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2019-11-07 00:13:24,279 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2019-11-07 00:13:24,279 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_get [2019-11-07 00:13:24,279 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_try_module_get [2019-11-07 00:13:24,279 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put [2019-11-07 00:13:24,279 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put_and_exit [2019-11-07 00:13:24,280 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_refcount [2019-11-07 00:13:24,280 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-11-07 00:13:24,280 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2019-11-07 00:13:24,280 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_del_entry [2019-11-07 00:13:24,280 INFO L138 BoogieDeclarations]: Found implementation of procedure __msecs_to_jiffies [2019-11-07 00:13:24,280 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2019-11-07 00:13:24,281 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2019-11-07 00:13:24,281 INFO L138 BoogieDeclarations]: Found implementation of procedure __udelay [2019-11-07 00:13:24,281 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2019-11-07 00:13:24,281 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock [2019-11-07 00:13:24,281 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2019-11-07 00:13:24,282 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock [2019-11-07 00:13:24,282 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irqrestore [2019-11-07 00:13:24,282 INFO L138 BoogieDeclarations]: Found implementation of procedure bus_register [2019-11-07 00:13:24,283 INFO L138 BoogieDeclarations]: Found implementation of procedure bus_unregister [2019-11-07 00:13:24,283 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2019-11-07 00:13:24,283 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2019-11-07 00:13:24,283 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2019-11-07 00:13:24,283 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2019-11-07 00:13:24,283 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_name [2019-11-07 00:13:24,284 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_warn [2019-11-07 00:13:24,284 INFO L138 BoogieDeclarations]: Found implementation of procedure device_add [2019-11-07 00:13:24,284 INFO L138 BoogieDeclarations]: Found implementation of procedure device_attach [2019-11-07 00:13:24,284 INFO L138 BoogieDeclarations]: Found implementation of procedure device_bind_driver [2019-11-07 00:13:24,285 INFO L138 BoogieDeclarations]: Found implementation of procedure device_del [2019-11-07 00:13:24,285 INFO L138 BoogieDeclarations]: Found implementation of procedure device_initialize [2019-11-07 00:13:24,288 INFO L138 BoogieDeclarations]: Found implementation of procedure device_release_driver [2019-11-07 00:13:24,288 INFO L138 BoogieDeclarations]: Found implementation of procedure driver_attach [2019-11-07 00:13:24,288 INFO L138 BoogieDeclarations]: Found implementation of procedure driver_find [2019-11-07 00:13:24,289 INFO L138 BoogieDeclarations]: Found implementation of procedure driver_register [2019-11-07 00:13:24,289 INFO L138 BoogieDeclarations]: Found implementation of procedure driver_unregister [2019-11-07 00:13:24,289 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_workqueue [2019-11-07 00:13:24,290 INFO L138 BoogieDeclarations]: Found implementation of procedure ktime_get [2019-11-07 00:13:24,296 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_va_end [2019-11-07 00:13:24,296 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_va_start [2019-11-07 00:13:24,297 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-11-07 00:13:24,297 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2019-11-07 00:13:24,297 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_interruptible_nested [2019-11-07 00:13:24,297 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2019-11-07 00:13:24,297 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2019-11-07 00:13:24,297 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2019-11-07 00:13:24,297 INFO L138 BoogieDeclarations]: Found implementation of procedure put_device [2019-11-07 00:13:24,297 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work_on [2019-11-07 00:13:24,298 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2019-11-07 00:13:24,298 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_off [2019-11-07 00:13:24,298 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_on [2019-11-07 00:13:24,298 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-11-07 00:13:24,298 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-11-07 00:13:24,299 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-11-07 00:13:24,299 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-11-07 00:13:24,299 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-07 00:13:24,299 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_va_end [2019-11-07 00:13:24,299 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2019-11-07 00:13:24,299 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_va_start [2019-11-07 00:13:24,299 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2019-11-07 00:13:24,299 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2019-11-07 00:13:24,300 INFO L130 BoogieDeclarations]: Found specification of procedure vsnprintf [2019-11-07 00:13:24,300 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2019-11-07 00:13:24,300 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-07 00:13:24,300 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2019-11-07 00:13:24,300 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2019-11-07 00:13:24,300 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-07 00:13:24,300 INFO L130 BoogieDeclarations]: Found specification of procedure __list_del_entry [2019-11-07 00:13:24,300 INFO L130 BoogieDeclarations]: Found specification of procedure list_del_init [2019-11-07 00:13:24,301 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2019-11-07 00:13:24,301 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2019-11-07 00:13:24,301 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2019-11-07 00:13:24,301 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-11-07 00:13:24,301 INFO L130 BoogieDeclarations]: Found specification of procedure strncmp [2019-11-07 00:13:24,301 INFO L130 BoogieDeclarations]: Found specification of procedure paravirt_read_tsc [2019-11-07 00:13:24,301 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_save_flags [2019-11-07 00:13:24,301 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_restore [2019-11-07 00:13:24,302 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_disable [2019-11-07 00:13:24,302 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_save [2019-11-07 00:13:24,302 INFO L130 BoogieDeclarations]: Found specification of procedure arch_irqs_disabled_flags [2019-11-07 00:13:24,302 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_on [2019-11-07 00:13:24,302 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_off [2019-11-07 00:13:24,302 INFO L130 BoogieDeclarations]: Found specification of procedure __xadd_wrong_size [2019-11-07 00:13:24,302 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_add_return [2019-11-07 00:13:24,302 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2019-11-07 00:13:24,303 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock [2019-11-07 00:13:24,303 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2019-11-07 00:13:24,303 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock [2019-11-07 00:13:24,303 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore [2019-11-07 00:13:24,303 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2019-11-07 00:13:24,303 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2019-11-07 00:13:24,303 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2019-11-07 00:13:24,303 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2019-11-07 00:13:24,304 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2019-11-07 00:13:24,304 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2019-11-07 00:13:24,304 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_interruptible_nested [2019-11-07 00:13:24,304 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2019-11-07 00:13:24,304 INFO L130 BoogieDeclarations]: Found specification of procedure __msecs_to_jiffies [2019-11-07 00:13:24,304 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2019-11-07 00:13:24,304 INFO L130 BoogieDeclarations]: Found specification of procedure ktime_get [2019-11-07 00:13:24,304 INFO L130 BoogieDeclarations]: Found specification of procedure ktime_get_ns [2019-11-07 00:13:24,305 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-07 00:13:24,305 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-07 00:13:24,305 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-07 00:13:24,305 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-07 00:13:24,305 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2019-11-07 00:13:24,305 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_11 [2019-11-07 00:13:24,305 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2019-11-07 00:13:24,305 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer_10 [2019-11-07 00:13:24,305 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer_12 [2019-11-07 00:13:24,306 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2019-11-07 00:13:24,306 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync_17 [2019-11-07 00:13:24,306 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2019-11-07 00:13:24,306 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_queue_work_on_5 [2019-11-07 00:13:24,306 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_queue_work_on_7 [2019-11-07 00:13:24,306 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work_on [2019-11-07 00:13:24,306 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_queue_delayed_work_on_6 [2019-11-07 00:13:24,306 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_queue_delayed_work_on_9 [2019-11-07 00:13:24,307 INFO L130 BoogieDeclarations]: Found specification of procedure flush_workqueue [2019-11-07 00:13:24,307 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_flush_workqueue_8 [2019-11-07 00:13:24,307 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2019-11-07 00:13:24,307 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_cancel_work_sync_18 [2019-11-07 00:13:24,307 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work [2019-11-07 00:13:24,307 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2019-11-07 00:13:24,307 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___module_get_16 [2019-11-07 00:13:24,307 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_try_module_get_14 [2019-11-07 00:13:24,308 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put_13 [2019-11-07 00:13:24,308 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put_15 [2019-11-07 00:13:24,308 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_try_module_get [2019-11-07 00:13:24,308 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_get [2019-11-07 00:13:24,308 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put [2019-11-07 00:13:24,308 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-11-07 00:13:24,308 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-11-07 00:13:24,308 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2019-11-07 00:13:24,309 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2019-11-07 00:13:24,309 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-11-07 00:13:24,309 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-11-07 00:13:24,309 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-07 00:13:24,309 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-11-07 00:13:24,309 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-11-07 00:13:24,309 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-11-07 00:13:24,309 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-07 00:13:24,310 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-11-07 00:13:24,310 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-11-07 00:13:24,310 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2019-11-07 00:13:24,310 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2019-11-07 00:13:24,310 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-11-07 00:13:24,310 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2019-11-07 00:13:24,310 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ptr [2019-11-07 00:13:24,310 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2019-11-07 00:13:24,311 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2019-11-07 00:13:24,311 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_bus_type_3 [2019-11-07 00:13:24,311 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_work_1 [2019-11-07 00:13:24,311 INFO L130 BoogieDeclarations]: Found specification of procedure choose_timer_2 [2019-11-07 00:13:24,311 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_2 [2019-11-07 00:13:24,311 INFO L130 BoogieDeclarations]: Found specification of procedure disable_work_1 [2019-11-07 00:13:24,311 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_2 [2019-11-07 00:13:24,312 INFO L130 BoogieDeclarations]: Found specification of procedure work_init_1 [2019-11-07 00:13:24,316 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_2 [2019-11-07 00:13:24,316 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_all_1 [2019-11-07 00:13:24,316 INFO L130 BoogieDeclarations]: Found specification of procedure invoke_work_1 [2019-11-07 00:13:24,316 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_1 [2019-11-07 00:13:24,316 INFO L130 BoogieDeclarations]: Found specification of procedure bus_register [2019-11-07 00:13:24,316 INFO L130 BoogieDeclarations]: Found specification of procedure bus_unregister [2019-11-07 00:13:24,317 INFO L130 BoogieDeclarations]: Found specification of procedure driver_register [2019-11-07 00:13:24,317 INFO L130 BoogieDeclarations]: Found specification of procedure driver_unregister [2019-11-07 00:13:24,319 INFO L130 BoogieDeclarations]: Found specification of procedure driver_find [2019-11-07 00:13:24,319 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_name [2019-11-07 00:13:24,319 INFO L130 BoogieDeclarations]: Found specification of procedure device_is_registered [2019-11-07 00:13:24,319 INFO L130 BoogieDeclarations]: Found specification of procedure device_initialize [2019-11-07 00:13:24,319 INFO L130 BoogieDeclarations]: Found specification of procedure device_add [2019-11-07 00:13:24,319 INFO L130 BoogieDeclarations]: Found specification of procedure device_del [2019-11-07 00:13:24,320 INFO L130 BoogieDeclarations]: Found specification of procedure device_bind_driver [2019-11-07 00:13:24,320 INFO L130 BoogieDeclarations]: Found specification of procedure device_release_driver [2019-11-07 00:13:24,320 INFO L130 BoogieDeclarations]: Found specification of procedure device_attach [2019-11-07 00:13:24,320 INFO L130 BoogieDeclarations]: Found specification of procedure driver_attach [2019-11-07 00:13:24,320 INFO L130 BoogieDeclarations]: Found specification of procedure put_device [2019-11-07 00:13:24,320 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2019-11-07 00:13:24,320 INFO L130 BoogieDeclarations]: Found specification of procedure dev_warn [2019-11-07 00:13:24,320 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2019-11-07 00:13:24,320 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_open [2019-11-07 00:13:24,321 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_close [2019-11-07 00:13:24,321 INFO L130 BoogieDeclarations]: Found specification of procedure __gameport_register_port [2019-11-07 00:13:24,321 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_unregister_port [2019-11-07 00:13:24,321 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_set_phys [2019-11-07 00:13:24,321 INFO L130 BoogieDeclarations]: Found specification of procedure __gameport_register_driver [2019-11-07 00:13:24,321 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_unregister_driver [2019-11-07 00:13:24,321 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_read [2019-11-07 00:13:24,321 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2019-11-07 00:13:24,321 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_start_polling [2019-11-07 00:13:24,322 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_stop_polling [2019-11-07 00:13:24,322 INFO L130 BoogieDeclarations]: Found specification of procedure __udelay [2019-11-07 00:13:24,322 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_add_port [2019-11-07 00:13:24,322 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_attach_driver [2019-11-07 00:13:24,322 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_reconnect_port [2019-11-07 00:13:24,322 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_disconnect_port [2019-11-07 00:13:24,322 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_measure_speed [2019-11-07 00:13:24,322 INFO L130 BoogieDeclarations]: Found specification of procedure old_gameport_measure_speed [2019-11-07 00:13:24,322 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_run_poll_handler [2019-11-07 00:13:24,323 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2019-11-07 00:13:24,323 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_bind_driver [2019-11-07 00:13:24,323 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2019-11-07 00:13:24,323 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_find_driver [2019-11-07 00:13:24,323 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_get_event [2019-11-07 00:13:24,323 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_free_event [2019-11-07 00:13:24,323 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_remove_duplicate_events [2019-11-07 00:13:24,323 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_handle_events [2019-11-07 00:13:24,323 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_queue_event [2019-11-07 00:13:24,324 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_remove_pending_events [2019-11-07 00:13:24,324 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_get_pending_child [2019-11-07 00:13:24,324 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_description_show [2019-11-07 00:13:24,324 INFO L130 BoogieDeclarations]: Found specification of procedure drvctl_store [2019-11-07 00:13:24,324 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_release_port [2019-11-07 00:13:24,324 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_init_port [2019-11-07 00:13:24,324 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_destroy_port [2019-11-07 00:13:24,324 INFO L130 BoogieDeclarations]: Found specification of procedure description_show [2019-11-07 00:13:24,324 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_driver_probe [2019-11-07 00:13:24,325 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_driver_remove [2019-11-07 00:13:24,325 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_bus_match [2019-11-07 00:13:24,325 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_set_drv [2019-11-07 00:13:24,325 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~int [2019-11-07 00:13:24,325 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_init [2019-11-07 00:13:24,325 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_exit [2019-11-07 00:13:24,325 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-11-07 00:13:24,325 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-11-07 00:13:24,325 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2019-11-07 00:13:24,326 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-07 00:13:24,326 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2019-11-07 00:13:24,326 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2019-11-07 00:13:24,326 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2019-11-07 00:13:24,326 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2019-11-07 00:13:24,326 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2019-11-07 00:13:24,326 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put_and_exit [2019-11-07 00:13:24,326 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_refcount [2019-11-07 00:13:24,327 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-11-07 00:13:24,327 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-11-07 00:13:24,327 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-11-07 00:13:24,327 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-07 00:13:24,327 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-07 00:13:24,327 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-11-07 00:13:24,327 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-07 00:13:25,297 INFO L688 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2019-11-07 00:13:26,979 INFO L688 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_module_put_and_exitFINAL: assume true; [2019-11-07 00:13:27,480 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-07 00:13:27,480 INFO L284 CfgBuilder]: Removed 0 assume(true) statements. [2019-11-07 00:13:27,482 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 12:13:27 BoogieIcfgContainer [2019-11-07 00:13:27,483 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-07 00:13:27,485 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-07 00:13:27,486 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-07 00:13:27,489 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-07 00:13:27,489 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 12:13:21" (1/3) ... [2019-11-07 00:13:27,490 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46106e02 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 12:13:27, skipping insertion in model container [2019-11-07 00:13:27,490 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:13:23" (2/3) ... [2019-11-07 00:13:27,490 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46106e02 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 12:13:27, skipping insertion in model container [2019-11-07 00:13:27,490 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 12:13:27" (3/3) ... [2019-11-07 00:13:27,492 INFO L109 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-08_1a-drivers--input--gameport--gameport.ko-entry_point.cil.out.i [2019-11-07 00:13:27,502 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-07 00:13:27,520 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-07 00:13:27,531 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-07 00:13:27,565 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-07 00:13:27,565 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-07 00:13:27,565 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-07 00:13:27,565 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-07 00:13:27,565 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-07 00:13:27,565 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-07 00:13:27,566 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-07 00:13:27,566 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-07 00:13:27,602 INFO L276 IsEmpty]: Start isEmpty. Operand 1030 states. [2019-11-07 00:13:27,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2019-11-07 00:13:27,630 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 00:13:27,631 INFO L410 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] [2019-11-07 00:13:27,634 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 00:13:27,639 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 00:13:27,640 INFO L82 PathProgramCache]: Analyzing trace with hash 2006657662, now seen corresponding path program 1 times [2019-11-07 00:13:27,650 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 00:13:27,650 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [78996869] [2019-11-07 00:13:27,650 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 00:13:28,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 00:13:28,598 INFO L134 CoverageAnalysis]: Checked inductivity of 360 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 360 trivial. 0 not checked. [2019-11-07 00:13:28,599 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [78996869] [2019-11-07 00:13:28,600 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 00:13:28,600 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-07 00:13:28,601 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1063728821] [2019-11-07 00:13:28,606 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-07 00:13:28,608 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 00:13:28,624 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-07 00:13:28,624 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-07 00:13:28,627 INFO L87 Difference]: Start difference. First operand 1030 states. Second operand 3 states. [2019-11-07 00:13:28,988 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 00:13:28,989 INFO L93 Difference]: Finished difference Result 2562 states and 3407 transitions. [2019-11-07 00:13:28,990 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-07 00:13:28,993 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 155 [2019-11-07 00:13:28,994 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 00:13:29,038 INFO L225 Difference]: With dead ends: 2562 [2019-11-07 00:13:29,038 INFO L226 Difference]: Without dead ends: 1670 [2019-11-07 00:13:29,054 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-07 00:13:29,081 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1670 states. [2019-11-07 00:13:29,283 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1670 to 1637. [2019-11-07 00:13:29,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1637 states. [2019-11-07 00:13:29,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1637 states to 1637 states and 2093 transitions. [2019-11-07 00:13:29,305 INFO L78 Accepts]: Start accepts. Automaton has 1637 states and 2093 transitions. Word has length 155 [2019-11-07 00:13:29,309 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 00:13:29,309 INFO L462 AbstractCegarLoop]: Abstraction has 1637 states and 2093 transitions. [2019-11-07 00:13:29,309 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-07 00:13:29,309 INFO L276 IsEmpty]: Start isEmpty. Operand 1637 states and 2093 transitions. [2019-11-07 00:13:29,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2019-11-07 00:13:29,319 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 00:13:29,319 INFO L410 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] [2019-11-07 00:13:29,320 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 00:13:29,320 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 00:13:29,320 INFO L82 PathProgramCache]: Analyzing trace with hash -1391693534, now seen corresponding path program 1 times [2019-11-07 00:13:29,320 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 00:13:29,321 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [586377087] [2019-11-07 00:13:29,321 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 00:13:29,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 00:13:29,694 INFO L134 CoverageAnalysis]: Checked inductivity of 360 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 360 trivial. 0 not checked. [2019-11-07 00:13:29,695 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [586377087] [2019-11-07 00:13:29,695 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 00:13:29,695 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-07 00:13:29,695 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [713332988] [2019-11-07 00:13:29,697 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-07 00:13:29,697 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 00:13:29,697 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-07 00:13:29,697 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2019-11-07 00:13:29,698 INFO L87 Difference]: Start difference. First operand 1637 states and 2093 transitions. Second operand 5 states. [2019-11-07 00:13:33,120 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 00:13:33,120 INFO L93 Difference]: Finished difference Result 7849 states and 10376 transitions. [2019-11-07 00:13:33,121 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-07 00:13:33,121 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 158 [2019-11-07 00:13:33,122 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 00:13:33,171 INFO L225 Difference]: With dead ends: 7849 [2019-11-07 00:13:33,171 INFO L226 Difference]: Without dead ends: 6265 [2019-11-07 00:13:33,178 INFO L630 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 [2019-11-07 00:13:33,186 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6265 states. [2019-11-07 00:13:33,430 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6265 to 6142. [2019-11-07 00:13:33,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6142 states. [2019-11-07 00:13:33,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6142 states to 6142 states and 8194 transitions. [2019-11-07 00:13:33,477 INFO L78 Accepts]: Start accepts. Automaton has 6142 states and 8194 transitions. Word has length 158 [2019-11-07 00:13:33,478 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 00:13:33,478 INFO L462 AbstractCegarLoop]: Abstraction has 6142 states and 8194 transitions. [2019-11-07 00:13:33,478 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-07 00:13:33,478 INFO L276 IsEmpty]: Start isEmpty. Operand 6142 states and 8194 transitions. [2019-11-07 00:13:33,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2019-11-07 00:13:33,482 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 00:13:33,482 INFO L410 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] [2019-11-07 00:13:33,482 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 00:13:33,483 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 00:13:33,483 INFO L82 PathProgramCache]: Analyzing trace with hash -1897855011, now seen corresponding path program 1 times [2019-11-07 00:13:33,483 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 00:13:33,484 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [737306985] [2019-11-07 00:13:33,484 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 00:13:33,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 00:13:33,771 INFO L134 CoverageAnalysis]: Checked inductivity of 360 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 360 trivial. 0 not checked. [2019-11-07 00:13:33,772 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [737306985] [2019-11-07 00:13:33,772 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 00:13:33,772 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-07 00:13:33,772 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [728322334] [2019-11-07 00:13:33,773 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-07 00:13:33,774 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 00:13:33,774 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-07 00:13:33,774 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-07 00:13:33,775 INFO L87 Difference]: Start difference. First operand 6142 states and 8194 transitions. Second operand 3 states. [2019-11-07 00:13:34,114 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 00:13:34,114 INFO L93 Difference]: Finished difference Result 12222 states and 16957 transitions. [2019-11-07 00:13:34,115 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-07 00:13:34,115 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 154 [2019-11-07 00:13:34,116 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 00:13:34,160 INFO L225 Difference]: With dead ends: 12222 [2019-11-07 00:13:34,160 INFO L226 Difference]: Without dead ends: 6104 [2019-11-07 00:13:34,194 INFO L630 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 [2019-11-07 00:13:34,203 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6104 states. [2019-11-07 00:13:34,440 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6104 to 6097. [2019-11-07 00:13:34,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6097 states. [2019-11-07 00:13:34,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6097 states to 6097 states and 8121 transitions. [2019-11-07 00:13:34,473 INFO L78 Accepts]: Start accepts. Automaton has 6097 states and 8121 transitions. Word has length 154 [2019-11-07 00:13:34,474 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 00:13:34,474 INFO L462 AbstractCegarLoop]: Abstraction has 6097 states and 8121 transitions. [2019-11-07 00:13:34,474 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-07 00:13:34,474 INFO L276 IsEmpty]: Start isEmpty. Operand 6097 states and 8121 transitions. [2019-11-07 00:13:34,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2019-11-07 00:13:34,478 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 00:13:34,478 INFO L410 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] [2019-11-07 00:13:34,479 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 00:13:34,479 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 00:13:34,479 INFO L82 PathProgramCache]: Analyzing trace with hash 143930643, now seen corresponding path program 1 times [2019-11-07 00:13:34,479 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 00:13:34,479 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [902229487] [2019-11-07 00:13:34,480 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 00:13:34,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 00:13:34,730 INFO L134 CoverageAnalysis]: Checked inductivity of 360 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 360 trivial. 0 not checked. [2019-11-07 00:13:34,731 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [902229487] [2019-11-07 00:13:34,731 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 00:13:34,731 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-07 00:13:34,731 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1855105391] [2019-11-07 00:13:34,732 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-07 00:13:34,733 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 00:13:34,733 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-07 00:13:34,733 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-07 00:13:34,733 INFO L87 Difference]: Start difference. First operand 6097 states and 8121 transitions. Second operand 3 states. [2019-11-07 00:13:35,189 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 00:13:35,189 INFO L93 Difference]: Finished difference Result 17605 states and 23389 transitions. [2019-11-07 00:13:35,189 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-07 00:13:35,190 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 177 [2019-11-07 00:13:35,190 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 00:13:35,263 INFO L225 Difference]: With dead ends: 17605 [2019-11-07 00:13:35,263 INFO L226 Difference]: Without dead ends: 11561 [2019-11-07 00:13:35,290 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-07 00:13:35,305 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11561 states. [2019-11-07 00:13:35,728 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11561 to 11557. [2019-11-07 00:13:35,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11557 states. [2019-11-07 00:13:36,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11557 states to 11557 states and 15320 transitions. [2019-11-07 00:13:36,536 INFO L78 Accepts]: Start accepts. Automaton has 11557 states and 15320 transitions. Word has length 177 [2019-11-07 00:13:36,536 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 00:13:36,537 INFO L462 AbstractCegarLoop]: Abstraction has 11557 states and 15320 transitions. [2019-11-07 00:13:36,538 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-07 00:13:36,538 INFO L276 IsEmpty]: Start isEmpty. Operand 11557 states and 15320 transitions. [2019-11-07 00:13:36,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2019-11-07 00:13:36,548 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 00:13:36,548 INFO L410 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] [2019-11-07 00:13:36,548 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 00:13:36,549 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 00:13:36,549 INFO L82 PathProgramCache]: Analyzing trace with hash -263053551, now seen corresponding path program 1 times [2019-11-07 00:13:36,549 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 00:13:36,550 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1520419134] [2019-11-07 00:13:36,550 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 00:13:36,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 00:13:36,826 INFO L134 CoverageAnalysis]: Checked inductivity of 443 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 440 trivial. 0 not checked. [2019-11-07 00:13:36,826 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1520419134] [2019-11-07 00:13:36,827 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 00:13:36,827 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-07 00:13:36,828 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [141849357] [2019-11-07 00:13:36,828 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-07 00:13:36,829 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 00:13:36,829 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-07 00:13:36,833 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-07 00:13:36,834 INFO L87 Difference]: Start difference. First operand 11557 states and 15320 transitions. Second operand 3 states. [2019-11-07 00:13:37,884 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 00:13:37,885 INFO L93 Difference]: Finished difference Result 28785 states and 38184 transitions. [2019-11-07 00:13:37,885 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-07 00:13:37,885 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 195 [2019-11-07 00:13:37,886 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 00:13:37,989 INFO L225 Difference]: With dead ends: 28785 [2019-11-07 00:13:37,990 INFO L226 Difference]: Without dead ends: 17281 [2019-11-07 00:13:38,030 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-07 00:13:38,050 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17281 states. [2019-11-07 00:13:38,649 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17281 to 17277. [2019-11-07 00:13:38,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17277 states. [2019-11-07 00:13:38,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17277 states to 17277 states and 22884 transitions. [2019-11-07 00:13:38,737 INFO L78 Accepts]: Start accepts. Automaton has 17277 states and 22884 transitions. Word has length 195 [2019-11-07 00:13:38,738 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 00:13:38,738 INFO L462 AbstractCegarLoop]: Abstraction has 17277 states and 22884 transitions. [2019-11-07 00:13:38,738 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-07 00:13:38,738 INFO L276 IsEmpty]: Start isEmpty. Operand 17277 states and 22884 transitions. [2019-11-07 00:13:38,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2019-11-07 00:13:38,743 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 00:13:38,743 INFO L410 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] [2019-11-07 00:13:38,744 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 00:13:38,744 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 00:13:38,744 INFO L82 PathProgramCache]: Analyzing trace with hash 1164888931, now seen corresponding path program 1 times [2019-11-07 00:13:38,744 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 00:13:38,745 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1964661297] [2019-11-07 00:13:38,745 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 00:13:38,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 00:13:39,330 INFO L134 CoverageAnalysis]: Checked inductivity of 373 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 373 trivial. 0 not checked. [2019-11-07 00:13:39,330 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1964661297] [2019-11-07 00:13:39,330 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 00:13:39,331 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-11-07 00:13:39,331 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [135809986] [2019-11-07 00:13:39,331 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-07 00:13:39,332 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 00:13:39,332 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-07 00:13:39,332 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-11-07 00:13:39,332 INFO L87 Difference]: Start difference. First operand 17277 states and 22884 transitions. Second operand 6 states. [2019-11-07 00:13:39,965 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 00:13:39,965 INFO L93 Difference]: Finished difference Result 34717 states and 47337 transitions. [2019-11-07 00:13:39,966 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-07 00:13:39,966 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 210 [2019-11-07 00:13:39,969 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 00:13:40,074 INFO L225 Difference]: With dead ends: 34717 [2019-11-07 00:13:40,075 INFO L226 Difference]: Without dead ends: 17493 [2019-11-07 00:13:40,140 INFO L630 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 [2019-11-07 00:13:40,165 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17493 states. [2019-11-07 00:13:41,010 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17493 to 17457. [2019-11-07 00:13:41,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17457 states. [2019-11-07 00:13:41,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17457 states to 17457 states and 23160 transitions. [2019-11-07 00:13:41,112 INFO L78 Accepts]: Start accepts. Automaton has 17457 states and 23160 transitions. Word has length 210 [2019-11-07 00:13:41,115 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 00:13:41,115 INFO L462 AbstractCegarLoop]: Abstraction has 17457 states and 23160 transitions. [2019-11-07 00:13:41,115 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-07 00:13:41,116 INFO L276 IsEmpty]: Start isEmpty. Operand 17457 states and 23160 transitions. [2019-11-07 00:13:41,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2019-11-07 00:13:41,124 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 00:13:41,124 INFO L410 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] [2019-11-07 00:13:41,125 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 00:13:41,125 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 00:13:41,125 INFO L82 PathProgramCache]: Analyzing trace with hash -323599695, now seen corresponding path program 1 times [2019-11-07 00:13:41,126 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 00:13:41,126 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [238479207] [2019-11-07 00:13:41,126 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 00:13:41,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 00:13:41,458 INFO L134 CoverageAnalysis]: Checked inductivity of 373 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 373 trivial. 0 not checked. [2019-11-07 00:13:41,458 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [238479207] [2019-11-07 00:13:41,459 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 00:13:41,459 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-07 00:13:41,459 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1747670939] [2019-11-07 00:13:41,460 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-07 00:13:41,460 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 00:13:41,461 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-07 00:13:41,461 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2019-11-07 00:13:41,462 INFO L87 Difference]: Start difference. First operand 17457 states and 23160 transitions. Second operand 5 states. [2019-11-07 00:13:45,107 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 00:13:45,108 INFO L93 Difference]: Finished difference Result 34861 states and 46275 transitions. [2019-11-07 00:13:45,108 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-07 00:13:45,109 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 223 [2019-11-07 00:13:45,109 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 00:13:45,202 INFO L225 Difference]: With dead ends: 34861 [2019-11-07 00:13:45,202 INFO L226 Difference]: Without dead ends: 17457 [2019-11-07 00:13:45,252 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2019-11-07 00:13:45,270 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17457 states. [2019-11-07 00:13:46,854 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17457 to 17409. [2019-11-07 00:13:46,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17409 states. [2019-11-07 00:13:46,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17409 states to 17409 states and 23022 transitions. [2019-11-07 00:13:46,923 INFO L78 Accepts]: Start accepts. Automaton has 17409 states and 23022 transitions. Word has length 223 [2019-11-07 00:13:46,924 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 00:13:46,924 INFO L462 AbstractCegarLoop]: Abstraction has 17409 states and 23022 transitions. [2019-11-07 00:13:46,924 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-07 00:13:46,924 INFO L276 IsEmpty]: Start isEmpty. Operand 17409 states and 23022 transitions. [2019-11-07 00:13:46,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2019-11-07 00:13:46,929 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 00:13:46,929 INFO L410 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] [2019-11-07 00:13:46,930 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 00:13:46,930 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 00:13:46,930 INFO L82 PathProgramCache]: Analyzing trace with hash -67206886, now seen corresponding path program 1 times [2019-11-07 00:13:46,931 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 00:13:46,931 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [582363315] [2019-11-07 00:13:46,931 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 00:13:47,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 00:13:47,285 INFO L134 CoverageAnalysis]: Checked inductivity of 373 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 373 trivial. 0 not checked. [2019-11-07 00:13:47,285 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [582363315] [2019-11-07 00:13:47,285 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 00:13:47,286 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-07 00:13:47,286 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [510679079] [2019-11-07 00:13:47,286 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-07 00:13:47,287 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 00:13:47,287 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-07 00:13:47,287 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-07 00:13:47,287 INFO L87 Difference]: Start difference. First operand 17409 states and 23022 transitions. Second operand 3 states. [2019-11-07 00:13:47,795 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 00:13:47,796 INFO L93 Difference]: Finished difference Result 34717 states and 45921 transitions. [2019-11-07 00:13:47,796 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-07 00:13:47,796 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 221 [2019-11-07 00:13:47,796 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 00:13:47,883 INFO L225 Difference]: With dead ends: 34717 [2019-11-07 00:13:47,883 INFO L226 Difference]: Without dead ends: 17361 [2019-11-07 00:13:47,927 INFO L630 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 [2019-11-07 00:13:47,947 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17361 states. [2019-11-07 00:13:48,661 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17361 to 17361. [2019-11-07 00:13:48,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17361 states. [2019-11-07 00:13:48,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17361 states to 17361 states and 22884 transitions. [2019-11-07 00:13:48,732 INFO L78 Accepts]: Start accepts. Automaton has 17361 states and 22884 transitions. Word has length 221 [2019-11-07 00:13:48,732 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 00:13:48,733 INFO L462 AbstractCegarLoop]: Abstraction has 17361 states and 22884 transitions. [2019-11-07 00:13:48,733 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-07 00:13:48,733 INFO L276 IsEmpty]: Start isEmpty. Operand 17361 states and 22884 transitions. [2019-11-07 00:13:48,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2019-11-07 00:13:48,738 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 00:13:48,739 INFO L410 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] [2019-11-07 00:13:48,739 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 00:13:48,739 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 00:13:48,740 INFO L82 PathProgramCache]: Analyzing trace with hash 31713887, now seen corresponding path program 1 times [2019-11-07 00:13:48,740 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 00:13:48,740 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2060450343] [2019-11-07 00:13:48,740 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 00:13:48,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 00:13:49,046 INFO L134 CoverageAnalysis]: Checked inductivity of 373 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 373 trivial. 0 not checked. [2019-11-07 00:13:49,048 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2060450343] [2019-11-07 00:13:49,048 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 00:13:49,048 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-07 00:13:49,049 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [141578379] [2019-11-07 00:13:49,051 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-07 00:13:49,051 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 00:13:49,052 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-07 00:13:49,052 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2019-11-07 00:13:49,052 INFO L87 Difference]: Start difference. First operand 17361 states and 22884 transitions. Second operand 5 states.