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 0.1.24-13a467a-m [2019-10-15 00:53:18,838 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-15 00:53:18,841 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-15 00:53:18,859 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-15 00:53:18,859 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-15 00:53:18,862 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-15 00:53:18,864 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-15 00:53:18,873 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-15 00:53:18,877 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-15 00:53:18,881 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-15 00:53:18,882 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-15 00:53:18,884 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-15 00:53:18,884 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-15 00:53:18,886 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-15 00:53:18,889 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-15 00:53:18,890 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-15 00:53:18,892 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-15 00:53:18,894 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-15 00:53:18,895 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-15 00:53:18,900 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-15 00:53:18,904 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-15 00:53:18,905 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-15 00:53:18,909 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-15 00:53:18,909 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-15 00:53:18,913 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-15 00:53:18,913 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-15 00:53:18,913 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-15 00:53:18,915 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-15 00:53:18,916 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-15 00:53:18,918 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-15 00:53:18,918 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-15 00:53:18,920 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-15 00:53:18,921 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-15 00:53:18,921 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-15 00:53:18,923 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-15 00:53:18,924 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-15 00:53:18,924 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-15 00:53:18,925 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-15 00:53:18,925 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-15 00:53:18,926 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-15 00:53:18,927 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-15 00:53:18,928 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-15 00:53:18,961 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-15 00:53:18,961 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-15 00:53:18,963 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-15 00:53:18,966 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-15 00:53:18,966 INFO L138 SettingsManager]: * Use SBE=true [2019-10-15 00:53:18,967 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-15 00:53:18,967 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-15 00:53:18,967 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-15 00:53:18,967 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-15 00:53:18,968 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-15 00:53:18,968 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-15 00:53:18,968 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-15 00:53:18,968 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-15 00:53:18,968 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-15 00:53:18,969 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-15 00:53:18,969 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-15 00:53:18,969 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-15 00:53:18,969 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-15 00:53:18,969 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-15 00:53:18,970 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-15 00:53:18,970 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-15 00:53:18,970 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 00:53:18,970 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-15 00:53:18,971 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-15 00:53:18,971 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-15 00:53:18,971 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-15 00:53:18,971 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-15 00:53:18,971 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-15 00:53:18,972 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: Abstract domain -> IntervalDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Abstract interpretation Mode -> USE_PREDICATES [2019-10-15 00:53:19,280 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-15 00:53:19,303 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-15 00:53:19,306 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-15 00:53:19,308 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-15 00:53:19,308 INFO L275 PluginConnector]: CDTParser initialized [2019-10-15 00:53:19,309 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--input--gameport--gameport.ko-entry_point.cil.out.i [2019-10-15 00:53:19,392 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7a6a339f0/bb8d79fece554f819f6262df5a61d70c/FLAG25a1416a7 [2019-10-15 00:53:20,219 INFO L306 CDTParser]: Found 1 translation units. [2019-10-15 00:53:20,222 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--input--gameport--gameport.ko-entry_point.cil.out.i [2019-10-15 00:53:20,276 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7a6a339f0/bb8d79fece554f819f6262df5a61d70c/FLAG25a1416a7 [2019-10-15 00:53:20,746 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7a6a339f0/bb8d79fece554f819f6262df5a61d70c [2019-10-15 00:53:20,755 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-15 00:53:20,757 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-15 00:53:20,758 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-15 00:53:20,758 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-15 00:53:20,761 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-15 00:53:20,762 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 12:53:20" (1/1) ... [2019-10-15 00:53:20,765 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@debc5af and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:53:20, skipping insertion in model container [2019-10-15 00:53:20,766 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 12:53:20" (1/1) ... [2019-10-15 00:53:20,774 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-15 00:53:20,869 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-15 00:53:22,481 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 00:53:22,525 INFO L188 MainTranslator]: Completed pre-run [2019-10-15 00:53:22,767 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 00:53:23,022 INFO L192 MainTranslator]: Completed translation [2019-10-15 00:53:23,023 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:53:23 WrapperNode [2019-10-15 00:53:23,023 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-15 00:53:23,024 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-15 00:53:23,024 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-15 00:53:23,024 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-15 00:53:23,039 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:53:23" (1/1) ... [2019-10-15 00:53:23,040 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:53:23" (1/1) ... [2019-10-15 00:53:23,100 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:53:23" (1/1) ... [2019-10-15 00:53:23,100 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:53:23" (1/1) ... [2019-10-15 00:53:23,220 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:53:23" (1/1) ... [2019-10-15 00:53:23,236 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:53:23" (1/1) ... [2019-10-15 00:53:23,262 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:53:23" (1/1) ... [2019-10-15 00:53:23,310 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-15 00:53:23,310 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-15 00:53:23,311 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-15 00:53:23,311 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-15 00:53:23,312 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:53:23" (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 [2019-10-15 00:53:23,393 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-15 00:53:23,393 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-15 00:53:23,393 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2019-10-15 00:53:23,395 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2019-10-15 00:53:23,395 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2019-10-15 00:53:23,396 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~int [2019-10-15 00:53:23,396 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2019-10-15 00:53:23,397 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2019-10-15 00:53:23,397 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2019-10-15 00:53:23,398 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del_init [2019-10-15 00:53:23,398 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2019-10-15 00:53:23,398 INFO L138 BoogieDeclarations]: Found implementation of procedure paravirt_read_tsc [2019-10-15 00:53:23,399 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_save_flags [2019-10-15 00:53:23,400 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_restore [2019-10-15 00:53:23,400 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_disable [2019-10-15 00:53:23,400 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_save [2019-10-15 00:53:23,403 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_irqs_disabled_flags [2019-10-15 00:53:23,403 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_add_return [2019-10-15 00:53:23,403 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2019-10-15 00:53:23,404 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2019-10-15 00:53:23,404 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2019-10-15 00:53:23,404 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2019-10-15 00:53:23,404 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2019-10-15 00:53:23,404 INFO L138 BoogieDeclarations]: Found implementation of procedure ktime_get_ns [2019-10-15 00:53:23,405 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work [2019-10-15 00:53:23,405 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2019-10-15 00:53:23,405 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2019-10-15 00:53:23,405 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2019-10-15 00:53:23,405 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-10-15 00:53:23,405 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-10-15 00:53:23,405 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2019-10-15 00:53:23,406 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2019-10-15 00:53:23,406 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2019-10-15 00:53:23,406 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ptr [2019-10-15 00:53:23,406 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2019-10-15 00:53:23,407 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2019-10-15 00:53:23,407 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2019-10-15 00:53:23,407 INFO L138 BoogieDeclarations]: Found implementation of procedure device_is_registered [2019-10-15 00:53:23,407 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_read [2019-10-15 00:53:23,407 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_measure_speed [2019-10-15 00:53:23,407 INFO L138 BoogieDeclarations]: Found implementation of procedure old_gameport_measure_speed [2019-10-15 00:53:23,408 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_start_polling [2019-10-15 00:53:23,408 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_stop_polling [2019-10-15 00:53:23,408 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_run_poll_handler [2019-10-15 00:53:23,408 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_bind_driver [2019-10-15 00:53:23,408 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_find_driver [2019-10-15 00:53:23,408 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_get_event [2019-10-15 00:53:23,408 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_free_event [2019-10-15 00:53:23,409 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_remove_duplicate_events [2019-10-15 00:53:23,409 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_handle_events [2019-10-15 00:53:23,409 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_queue_event [2019-10-15 00:53:23,409 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_remove_pending_events [2019-10-15 00:53:23,409 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_get_pending_child [2019-10-15 00:53:23,409 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_description_show [2019-10-15 00:53:23,409 INFO L138 BoogieDeclarations]: Found implementation of procedure drvctl_store [2019-10-15 00:53:23,410 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_release_port [2019-10-15 00:53:23,410 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_set_phys [2019-10-15 00:53:23,410 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_init_port [2019-10-15 00:53:23,410 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_add_port [2019-10-15 00:53:23,410 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_destroy_port [2019-10-15 00:53:23,410 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_reconnect_port [2019-10-15 00:53:23,410 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_disconnect_port [2019-10-15 00:53:23,411 INFO L138 BoogieDeclarations]: Found implementation of procedure __gameport_register_port [2019-10-15 00:53:23,411 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_unregister_port [2019-10-15 00:53:23,412 INFO L138 BoogieDeclarations]: Found implementation of procedure description_show [2019-10-15 00:53:23,412 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_driver_probe [2019-10-15 00:53:23,412 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_driver_remove [2019-10-15 00:53:23,412 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_attach_driver [2019-10-15 00:53:23,412 INFO L138 BoogieDeclarations]: Found implementation of procedure __gameport_register_driver [2019-10-15 00:53:23,412 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_unregister_driver [2019-10-15 00:53:23,412 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_bus_match [2019-10-15 00:53:23,413 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_set_drv [2019-10-15 00:53:23,413 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_open [2019-10-15 00:53:23,414 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_close [2019-10-15 00:53:23,414 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_init [2019-10-15 00:53:23,414 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_exit [2019-10-15 00:53:23,414 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_bus_type_3 [2019-10-15 00:53:23,414 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_work_1 [2019-10-15 00:53:23,414 INFO L138 BoogieDeclarations]: Found implementation of procedure choose_timer_2 [2019-10-15 00:53:23,415 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_2 [2019-10-15 00:53:23,415 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_work_1 [2019-10-15 00:53:23,416 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_2 [2019-10-15 00:53:23,416 INFO L138 BoogieDeclarations]: Found implementation of procedure work_init_1 [2019-10-15 00:53:23,416 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_2 [2019-10-15 00:53:23,416 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_all_1 [2019-10-15 00:53:23,417 INFO L138 BoogieDeclarations]: Found implementation of procedure invoke_work_1 [2019-10-15 00:53:23,417 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_1 [2019-10-15 00:53:23,418 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-15 00:53:23,419 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_queue_work_on_5 [2019-10-15 00:53:23,419 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_queue_delayed_work_on_6 [2019-10-15 00:53:23,419 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_queue_work_on_7 [2019-10-15 00:53:23,419 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_flush_workqueue_8 [2019-10-15 00:53:23,419 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_queue_delayed_work_on_9 [2019-10-15 00:53:23,419 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer_10 [2019-10-15 00:53:23,419 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_11 [2019-10-15 00:53:23,420 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer_12 [2019-10-15 00:53:23,420 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put_13 [2019-10-15 00:53:23,420 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_try_module_get_14 [2019-10-15 00:53:23,420 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put_15 [2019-10-15 00:53:23,420 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___module_get_16 [2019-10-15 00:53:23,420 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync_17 [2019-10-15 00:53:23,421 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_cancel_work_sync_18 [2019-10-15 00:53:23,421 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2019-10-15 00:53:23,421 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2019-10-15 00:53:23,421 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2019-10-15 00:53:23,421 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2019-10-15 00:53:23,421 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2019-10-15 00:53:23,421 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_get [2019-10-15 00:53:23,422 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_try_module_get [2019-10-15 00:53:23,422 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put [2019-10-15 00:53:23,422 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put_and_exit [2019-10-15 00:53:23,422 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_refcount [2019-10-15 00:53:23,422 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-10-15 00:53:23,422 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2019-10-15 00:53:23,422 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_del_entry [2019-10-15 00:53:23,423 INFO L138 BoogieDeclarations]: Found implementation of procedure __msecs_to_jiffies [2019-10-15 00:53:23,423 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2019-10-15 00:53:23,423 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2019-10-15 00:53:23,423 INFO L138 BoogieDeclarations]: Found implementation of procedure __udelay [2019-10-15 00:53:23,424 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2019-10-15 00:53:23,424 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock [2019-10-15 00:53:23,424 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2019-10-15 00:53:23,424 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock [2019-10-15 00:53:23,425 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irqrestore [2019-10-15 00:53:23,425 INFO L138 BoogieDeclarations]: Found implementation of procedure bus_register [2019-10-15 00:53:23,425 INFO L138 BoogieDeclarations]: Found implementation of procedure bus_unregister [2019-10-15 00:53:23,426 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2019-10-15 00:53:23,426 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2019-10-15 00:53:23,426 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2019-10-15 00:53:23,426 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2019-10-15 00:53:23,426 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_name [2019-10-15 00:53:23,427 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_warn [2019-10-15 00:53:23,427 INFO L138 BoogieDeclarations]: Found implementation of procedure device_add [2019-10-15 00:53:23,427 INFO L138 BoogieDeclarations]: Found implementation of procedure device_attach [2019-10-15 00:53:23,427 INFO L138 BoogieDeclarations]: Found implementation of procedure device_bind_driver [2019-10-15 00:53:23,428 INFO L138 BoogieDeclarations]: Found implementation of procedure device_del [2019-10-15 00:53:23,428 INFO L138 BoogieDeclarations]: Found implementation of procedure device_initialize [2019-10-15 00:53:23,432 INFO L138 BoogieDeclarations]: Found implementation of procedure device_release_driver [2019-10-15 00:53:23,432 INFO L138 BoogieDeclarations]: Found implementation of procedure driver_attach [2019-10-15 00:53:23,432 INFO L138 BoogieDeclarations]: Found implementation of procedure driver_find [2019-10-15 00:53:23,433 INFO L138 BoogieDeclarations]: Found implementation of procedure driver_register [2019-10-15 00:53:23,433 INFO L138 BoogieDeclarations]: Found implementation of procedure driver_unregister [2019-10-15 00:53:23,433 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_workqueue [2019-10-15 00:53:23,434 INFO L138 BoogieDeclarations]: Found implementation of procedure ktime_get [2019-10-15 00:53:23,440 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_va_end [2019-10-15 00:53:23,440 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_va_start [2019-10-15 00:53:23,440 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-10-15 00:53:23,441 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2019-10-15 00:53:23,441 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_interruptible_nested [2019-10-15 00:53:23,441 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2019-10-15 00:53:23,442 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2019-10-15 00:53:23,443 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2019-10-15 00:53:23,443 INFO L138 BoogieDeclarations]: Found implementation of procedure put_device [2019-10-15 00:53:23,443 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work_on [2019-10-15 00:53:23,443 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2019-10-15 00:53:23,443 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_off [2019-10-15 00:53:23,443 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_on [2019-10-15 00:53:23,444 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-10-15 00:53:23,444 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-10-15 00:53:23,444 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-10-15 00:53:23,444 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-10-15 00:53:23,444 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-15 00:53:23,444 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_va_end [2019-10-15 00:53:23,445 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2019-10-15 00:53:23,445 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_va_start [2019-10-15 00:53:23,445 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2019-10-15 00:53:23,445 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2019-10-15 00:53:23,445 INFO L130 BoogieDeclarations]: Found specification of procedure vsnprintf [2019-10-15 00:53:23,445 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2019-10-15 00:53:23,445 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-15 00:53:23,446 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2019-10-15 00:53:23,446 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2019-10-15 00:53:23,446 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-15 00:53:23,446 INFO L130 BoogieDeclarations]: Found specification of procedure __list_del_entry [2019-10-15 00:53:23,446 INFO L130 BoogieDeclarations]: Found specification of procedure list_del_init [2019-10-15 00:53:23,446 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2019-10-15 00:53:23,446 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2019-10-15 00:53:23,446 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2019-10-15 00:53:23,447 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-10-15 00:53:23,447 INFO L130 BoogieDeclarations]: Found specification of procedure strncmp [2019-10-15 00:53:23,447 INFO L130 BoogieDeclarations]: Found specification of procedure paravirt_read_tsc [2019-10-15 00:53:23,447 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_save_flags [2019-10-15 00:53:23,447 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_restore [2019-10-15 00:53:23,447 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_disable [2019-10-15 00:53:23,447 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_save [2019-10-15 00:53:23,447 INFO L130 BoogieDeclarations]: Found specification of procedure arch_irqs_disabled_flags [2019-10-15 00:53:23,448 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_on [2019-10-15 00:53:23,448 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_off [2019-10-15 00:53:23,448 INFO L130 BoogieDeclarations]: Found specification of procedure __xadd_wrong_size [2019-10-15 00:53:23,448 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_add_return [2019-10-15 00:53:23,448 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2019-10-15 00:53:23,448 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock [2019-10-15 00:53:23,448 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2019-10-15 00:53:23,448 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock [2019-10-15 00:53:23,449 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore [2019-10-15 00:53:23,449 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2019-10-15 00:53:23,449 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2019-10-15 00:53:23,449 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2019-10-15 00:53:23,449 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2019-10-15 00:53:23,449 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2019-10-15 00:53:23,449 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2019-10-15 00:53:23,449 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_interruptible_nested [2019-10-15 00:53:23,450 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2019-10-15 00:53:23,450 INFO L130 BoogieDeclarations]: Found specification of procedure __msecs_to_jiffies [2019-10-15 00:53:23,450 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2019-10-15 00:53:23,450 INFO L130 BoogieDeclarations]: Found specification of procedure ktime_get [2019-10-15 00:53:23,450 INFO L130 BoogieDeclarations]: Found specification of procedure ktime_get_ns [2019-10-15 00:53:23,450 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-15 00:53:23,450 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-15 00:53:23,450 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-15 00:53:23,451 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-15 00:53:23,451 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2019-10-15 00:53:23,451 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_11 [2019-10-15 00:53:23,451 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2019-10-15 00:53:23,451 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer_10 [2019-10-15 00:53:23,451 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer_12 [2019-10-15 00:53:23,451 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2019-10-15 00:53:23,452 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync_17 [2019-10-15 00:53:23,452 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2019-10-15 00:53:23,452 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_queue_work_on_5 [2019-10-15 00:53:23,452 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_queue_work_on_7 [2019-10-15 00:53:23,452 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work_on [2019-10-15 00:53:23,452 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_queue_delayed_work_on_6 [2019-10-15 00:53:23,452 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_queue_delayed_work_on_9 [2019-10-15 00:53:23,452 INFO L130 BoogieDeclarations]: Found specification of procedure flush_workqueue [2019-10-15 00:53:23,452 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_flush_workqueue_8 [2019-10-15 00:53:23,453 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2019-10-15 00:53:23,453 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_cancel_work_sync_18 [2019-10-15 00:53:23,453 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work [2019-10-15 00:53:23,453 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2019-10-15 00:53:23,453 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___module_get_16 [2019-10-15 00:53:23,453 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_try_module_get_14 [2019-10-15 00:53:23,453 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put_13 [2019-10-15 00:53:23,453 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put_15 [2019-10-15 00:53:23,454 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_try_module_get [2019-10-15 00:53:23,454 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_get [2019-10-15 00:53:23,454 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put [2019-10-15 00:53:23,454 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-10-15 00:53:23,454 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-10-15 00:53:23,454 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2019-10-15 00:53:23,454 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2019-10-15 00:53:23,455 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-15 00:53:23,455 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-10-15 00:53:23,455 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-15 00:53:23,455 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-10-15 00:53:23,455 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-10-15 00:53:23,455 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-10-15 00:53:23,455 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-15 00:53:23,455 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-10-15 00:53:23,456 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-10-15 00:53:23,456 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2019-10-15 00:53:23,456 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2019-10-15 00:53:23,456 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-10-15 00:53:23,456 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2019-10-15 00:53:23,456 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ptr [2019-10-15 00:53:23,456 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2019-10-15 00:53:23,457 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2019-10-15 00:53:23,457 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_bus_type_3 [2019-10-15 00:53:23,457 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_work_1 [2019-10-15 00:53:23,457 INFO L130 BoogieDeclarations]: Found specification of procedure choose_timer_2 [2019-10-15 00:53:23,457 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_2 [2019-10-15 00:53:23,457 INFO L130 BoogieDeclarations]: Found specification of procedure disable_work_1 [2019-10-15 00:53:23,457 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_2 [2019-10-15 00:53:23,459 INFO L130 BoogieDeclarations]: Found specification of procedure work_init_1 [2019-10-15 00:53:23,463 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_2 [2019-10-15 00:53:23,463 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_all_1 [2019-10-15 00:53:23,463 INFO L130 BoogieDeclarations]: Found specification of procedure invoke_work_1 [2019-10-15 00:53:23,463 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_1 [2019-10-15 00:53:23,463 INFO L130 BoogieDeclarations]: Found specification of procedure bus_register [2019-10-15 00:53:23,463 INFO L130 BoogieDeclarations]: Found specification of procedure bus_unregister [2019-10-15 00:53:23,464 INFO L130 BoogieDeclarations]: Found specification of procedure driver_register [2019-10-15 00:53:23,464 INFO L130 BoogieDeclarations]: Found specification of procedure driver_unregister [2019-10-15 00:53:23,467 INFO L130 BoogieDeclarations]: Found specification of procedure driver_find [2019-10-15 00:53:23,467 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_name [2019-10-15 00:53:23,467 INFO L130 BoogieDeclarations]: Found specification of procedure device_is_registered [2019-10-15 00:53:23,467 INFO L130 BoogieDeclarations]: Found specification of procedure device_initialize [2019-10-15 00:53:23,468 INFO L130 BoogieDeclarations]: Found specification of procedure device_add [2019-10-15 00:53:23,468 INFO L130 BoogieDeclarations]: Found specification of procedure device_del [2019-10-15 00:53:23,468 INFO L130 BoogieDeclarations]: Found specification of procedure device_bind_driver [2019-10-15 00:53:23,468 INFO L130 BoogieDeclarations]: Found specification of procedure device_release_driver [2019-10-15 00:53:23,468 INFO L130 BoogieDeclarations]: Found specification of procedure device_attach [2019-10-15 00:53:23,468 INFO L130 BoogieDeclarations]: Found specification of procedure driver_attach [2019-10-15 00:53:23,468 INFO L130 BoogieDeclarations]: Found specification of procedure put_device [2019-10-15 00:53:23,468 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2019-10-15 00:53:23,469 INFO L130 BoogieDeclarations]: Found specification of procedure dev_warn [2019-10-15 00:53:23,469 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2019-10-15 00:53:23,469 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_open [2019-10-15 00:53:23,469 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_close [2019-10-15 00:53:23,469 INFO L130 BoogieDeclarations]: Found specification of procedure __gameport_register_port [2019-10-15 00:53:23,469 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_unregister_port [2019-10-15 00:53:23,469 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_set_phys [2019-10-15 00:53:23,469 INFO L130 BoogieDeclarations]: Found specification of procedure __gameport_register_driver [2019-10-15 00:53:23,470 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_unregister_driver [2019-10-15 00:53:23,470 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_read [2019-10-15 00:53:23,470 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2019-10-15 00:53:23,470 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_start_polling [2019-10-15 00:53:23,470 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_stop_polling [2019-10-15 00:53:23,470 INFO L130 BoogieDeclarations]: Found specification of procedure __udelay [2019-10-15 00:53:23,470 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_add_port [2019-10-15 00:53:23,470 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_attach_driver [2019-10-15 00:53:23,471 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_reconnect_port [2019-10-15 00:53:23,471 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_disconnect_port [2019-10-15 00:53:23,471 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_measure_speed [2019-10-15 00:53:23,471 INFO L130 BoogieDeclarations]: Found specification of procedure old_gameport_measure_speed [2019-10-15 00:53:23,471 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_run_poll_handler [2019-10-15 00:53:23,471 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2019-10-15 00:53:23,471 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_bind_driver [2019-10-15 00:53:23,471 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2019-10-15 00:53:23,471 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_find_driver [2019-10-15 00:53:23,472 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_get_event [2019-10-15 00:53:23,472 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_free_event [2019-10-15 00:53:23,472 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_remove_duplicate_events [2019-10-15 00:53:23,472 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_handle_events [2019-10-15 00:53:23,472 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_queue_event [2019-10-15 00:53:23,472 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_remove_pending_events [2019-10-15 00:53:23,472 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_get_pending_child [2019-10-15 00:53:23,472 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_description_show [2019-10-15 00:53:23,473 INFO L130 BoogieDeclarations]: Found specification of procedure drvctl_store [2019-10-15 00:53:23,473 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_release_port [2019-10-15 00:53:23,473 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_init_port [2019-10-15 00:53:23,473 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_destroy_port [2019-10-15 00:53:23,473 INFO L130 BoogieDeclarations]: Found specification of procedure description_show [2019-10-15 00:53:23,473 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_driver_probe [2019-10-15 00:53:23,473 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_driver_remove [2019-10-15 00:53:23,473 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_bus_match [2019-10-15 00:53:23,474 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_set_drv [2019-10-15 00:53:23,474 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~int [2019-10-15 00:53:23,474 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_init [2019-10-15 00:53:23,474 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_exit [2019-10-15 00:53:23,474 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-10-15 00:53:23,474 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-10-15 00:53:23,474 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2019-10-15 00:53:23,474 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-15 00:53:23,475 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2019-10-15 00:53:23,475 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2019-10-15 00:53:23,475 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2019-10-15 00:53:23,475 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2019-10-15 00:53:23,475 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2019-10-15 00:53:23,475 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put_and_exit [2019-10-15 00:53:23,475 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_refcount [2019-10-15 00:53:23,475 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-10-15 00:53:23,475 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-10-15 00:53:23,476 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-15 00:53:23,476 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-15 00:53:23,476 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-15 00:53:23,476 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-10-15 00:53:23,476 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-15 00:53:24,483 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2019-10-15 00:53:26,261 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_module_put_and_exitFINAL: assume true; [2019-10-15 00:53:26,807 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-15 00:53:26,807 INFO L284 CfgBuilder]: Removed 0 assume(true) statements. [2019-10-15 00:53:26,810 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 12:53:26 BoogieIcfgContainer [2019-10-15 00:53:26,810 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-15 00:53:26,811 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-15 00:53:26,812 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-15 00:53:26,815 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-15 00:53:26,815 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 12:53:20" (1/3) ... [2019-10-15 00:53:26,816 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@94078ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 12:53:26, skipping insertion in model container [2019-10-15 00:53:26,816 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:53:23" (2/3) ... [2019-10-15 00:53:26,817 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@94078ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 12:53:26, skipping insertion in model container [2019-10-15 00:53:26,817 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 12:53:26" (3/3) ... [2019-10-15 00:53:26,819 INFO L109 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-08_1a-drivers--input--gameport--gameport.ko-entry_point.cil.out.i [2019-10-15 00:53:26,829 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-15 00:53:26,842 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-15 00:53:26,854 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-15 00:53:26,894 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-15 00:53:26,894 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-15 00:53:26,894 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-15 00:53:26,894 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-15 00:53:26,894 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-15 00:53:26,894 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-15 00:53:26,895 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-15 00:53:26,895 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-15 00:53:26,944 INFO L276 IsEmpty]: Start isEmpty. Operand 1030 states. [2019-10-15 00:53:26,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2019-10-15 00:53:26,986 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 00:53:26,990 INFO L380 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 00:53:26,993 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 00:53:27,000 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 00:53:27,000 INFO L82 PathProgramCache]: Analyzing trace with hash 2006657662, now seen corresponding path program 1 times [2019-10-15 00:53:27,013 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 00:53:27,014 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [4456759] [2019-10-15 00:53:27,014 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:53:27,014 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:53:27,015 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 00:53:27,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 00:53:28,067 INFO L134 CoverageAnalysis]: Checked inductivity of 360 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 360 trivial. 0 not checked. [2019-10-15 00:53:28,068 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [4456759] [2019-10-15 00:53:28,069 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 00:53:28,069 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 00:53:28,070 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [574384952] [2019-10-15 00:53:28,075 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 00:53:28,076 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 00:53:28,091 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 00:53:28,091 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 00:53:28,093 INFO L87 Difference]: Start difference. First operand 1030 states. Second operand 3 states. [2019-10-15 00:53:28,523 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 00:53:28,523 INFO L93 Difference]: Finished difference Result 2562 states and 3407 transitions. [2019-10-15 00:53:28,527 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 00:53:28,529 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 155 [2019-10-15 00:53:28,530 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 00:53:28,573 INFO L225 Difference]: With dead ends: 2562 [2019-10-15 00:53:28,575 INFO L226 Difference]: Without dead ends: 1670 [2019-10-15 00:53:28,593 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 00:53:28,615 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1670 states. [2019-10-15 00:53:28,793 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1670 to 1637. [2019-10-15 00:53:28,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1637 states. [2019-10-15 00:53:28,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1637 states to 1637 states and 2093 transitions. [2019-10-15 00:53:28,808 INFO L78 Accepts]: Start accepts. Automaton has 1637 states and 2093 transitions. Word has length 155 [2019-10-15 00:53:28,809 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 00:53:28,809 INFO L462 AbstractCegarLoop]: Abstraction has 1637 states and 2093 transitions. [2019-10-15 00:53:28,810 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 00:53:28,810 INFO L276 IsEmpty]: Start isEmpty. Operand 1637 states and 2093 transitions. [2019-10-15 00:53:28,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2019-10-15 00:53:28,814 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 00:53:28,815 INFO L380 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 00:53:28,815 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 00:53:28,815 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 00:53:28,816 INFO L82 PathProgramCache]: Analyzing trace with hash -1391693534, now seen corresponding path program 1 times [2019-10-15 00:53:28,816 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 00:53:28,816 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1622686236] [2019-10-15 00:53:28,816 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:53:28,817 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:53:28,817 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 00:53:28,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 00:53:29,216 INFO L134 CoverageAnalysis]: Checked inductivity of 360 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 360 trivial. 0 not checked. [2019-10-15 00:53:29,216 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1622686236] [2019-10-15 00:53:29,217 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 00:53:29,217 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-15 00:53:29,217 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [329872891] [2019-10-15 00:53:29,220 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-15 00:53:29,221 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 00:53:29,221 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-15 00:53:29,221 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2019-10-15 00:53:29,222 INFO L87 Difference]: Start difference. First operand 1637 states and 2093 transitions. Second operand 5 states. [2019-10-15 00:53:32,682 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 00:53:32,683 INFO L93 Difference]: Finished difference Result 7849 states and 10376 transitions. [2019-10-15 00:53:32,683 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-15 00:53:32,683 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 158 [2019-10-15 00:53:32,684 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 00:53:32,746 INFO L225 Difference]: With dead ends: 7849 [2019-10-15 00:53:32,746 INFO L226 Difference]: Without dead ends: 6265 [2019-10-15 00:53:32,755 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2019-10-15 00:53:32,765 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6265 states. [2019-10-15 00:53:33,055 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6265 to 6142. [2019-10-15 00:53:33,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6142 states. [2019-10-15 00:53:33,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6142 states to 6142 states and 8194 transitions. [2019-10-15 00:53:33,105 INFO L78 Accepts]: Start accepts. Automaton has 6142 states and 8194 transitions. Word has length 158 [2019-10-15 00:53:33,108 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 00:53:33,108 INFO L462 AbstractCegarLoop]: Abstraction has 6142 states and 8194 transitions. [2019-10-15 00:53:33,108 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-15 00:53:33,109 INFO L276 IsEmpty]: Start isEmpty. Operand 6142 states and 8194 transitions. [2019-10-15 00:53:33,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2019-10-15 00:53:33,114 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 00:53:33,114 INFO L380 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 00:53:33,114 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 00:53:33,115 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 00:53:33,115 INFO L82 PathProgramCache]: Analyzing trace with hash -1897855011, now seen corresponding path program 1 times [2019-10-15 00:53:33,115 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 00:53:33,115 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [754674104] [2019-10-15 00:53:33,115 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:53:33,116 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:53:33,116 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 00:53:33,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 00:53:33,620 INFO L134 CoverageAnalysis]: Checked inductivity of 360 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 360 trivial. 0 not checked. [2019-10-15 00:53:33,620 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [754674104] [2019-10-15 00:53:33,621 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 00:53:33,621 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 00:53:33,622 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [311374871] [2019-10-15 00:53:33,623 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 00:53:33,623 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 00:53:33,623 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 00:53:33,625 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 00:53:33,625 INFO L87 Difference]: Start difference. First operand 6142 states and 8194 transitions. Second operand 3 states. [2019-10-15 00:53:33,885 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 00:53:33,886 INFO L93 Difference]: Finished difference Result 12222 states and 16957 transitions. [2019-10-15 00:53:33,886 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 00:53:33,886 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 154 [2019-10-15 00:53:33,888 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 00:53:33,934 INFO L225 Difference]: With dead ends: 12222 [2019-10-15 00:53:33,935 INFO L226 Difference]: Without dead ends: 6104 [2019-10-15 00:53:33,967 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 00:53:33,976 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6104 states. [2019-10-15 00:53:34,233 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6104 to 6097. [2019-10-15 00:53:34,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6097 states. [2019-10-15 00:53:34,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6097 states to 6097 states and 8121 transitions. [2019-10-15 00:53:34,266 INFO L78 Accepts]: Start accepts. Automaton has 6097 states and 8121 transitions. Word has length 154 [2019-10-15 00:53:34,267 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 00:53:34,267 INFO L462 AbstractCegarLoop]: Abstraction has 6097 states and 8121 transitions. [2019-10-15 00:53:34,267 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 00:53:34,267 INFO L276 IsEmpty]: Start isEmpty. Operand 6097 states and 8121 transitions. [2019-10-15 00:53:34,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2019-10-15 00:53:34,271 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 00:53:34,271 INFO L380 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 00:53:34,272 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 00:53:34,272 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 00:53:34,272 INFO L82 PathProgramCache]: Analyzing trace with hash 143930643, now seen corresponding path program 1 times [2019-10-15 00:53:34,272 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 00:53:34,273 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [430043458] [2019-10-15 00:53:34,273 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:53:34,273 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:53:34,273 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 00:53:34,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 00:53:34,727 INFO L134 CoverageAnalysis]: Checked inductivity of 360 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 360 trivial. 0 not checked. [2019-10-15 00:53:34,727 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [430043458] [2019-10-15 00:53:34,727 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 00:53:34,728 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 00:53:34,728 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1460002990] [2019-10-15 00:53:34,728 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 00:53:34,729 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 00:53:34,729 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 00:53:34,729 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 00:53:34,729 INFO L87 Difference]: Start difference. First operand 6097 states and 8121 transitions. Second operand 3 states. [2019-10-15 00:53:35,235 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 00:53:35,235 INFO L93 Difference]: Finished difference Result 17605 states and 23389 transitions. [2019-10-15 00:53:35,236 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 00:53:35,236 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 177 [2019-10-15 00:53:35,236 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 00:53:35,322 INFO L225 Difference]: With dead ends: 17605 [2019-10-15 00:53:35,322 INFO L226 Difference]: Without dead ends: 11561 [2019-10-15 00:53:35,354 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 00:53:35,371 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11561 states. [2019-10-15 00:53:36,799 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11561 to 11557. [2019-10-15 00:53:36,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11557 states. [2019-10-15 00:53:36,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11557 states to 11557 states and 15320 transitions. [2019-10-15 00:53:36,883 INFO L78 Accepts]: Start accepts. Automaton has 11557 states and 15320 transitions. Word has length 177 [2019-10-15 00:53:36,885 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 00:53:36,885 INFO L462 AbstractCegarLoop]: Abstraction has 11557 states and 15320 transitions. [2019-10-15 00:53:36,886 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 00:53:36,886 INFO L276 IsEmpty]: Start isEmpty. Operand 11557 states and 15320 transitions. [2019-10-15 00:53:36,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2019-10-15 00:53:36,896 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 00:53:36,897 INFO L380 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 00:53:36,897 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 00:53:36,898 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 00:53:36,898 INFO L82 PathProgramCache]: Analyzing trace with hash -263053551, now seen corresponding path program 1 times [2019-10-15 00:53:36,898 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 00:53:36,898 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [560617305] [2019-10-15 00:53:36,899 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:53:36,899 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:53:36,899 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 00:53:37,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 00:53:37,251 INFO L134 CoverageAnalysis]: Checked inductivity of 443 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 440 trivial. 0 not checked. [2019-10-15 00:53:37,252 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [560617305] [2019-10-15 00:53:37,252 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 00:53:37,252 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 00:53:37,253 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1640089308] [2019-10-15 00:53:37,253 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 00:53:37,254 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 00:53:37,254 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 00:53:37,258 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 00:53:37,259 INFO L87 Difference]: Start difference. First operand 11557 states and 15320 transitions. Second operand 3 states. [2019-10-15 00:53:38,241 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 00:53:38,241 INFO L93 Difference]: Finished difference Result 28785 states and 38184 transitions. [2019-10-15 00:53:38,242 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 00:53:38,242 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 195 [2019-10-15 00:53:38,243 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 00:53:38,376 INFO L225 Difference]: With dead ends: 28785 [2019-10-15 00:53:38,376 INFO L226 Difference]: Without dead ends: 17281 [2019-10-15 00:53:38,436 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 00:53:38,462 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17281 states. [2019-10-15 00:53:39,230 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17281 to 17277. [2019-10-15 00:53:39,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17277 states. [2019-10-15 00:53:39,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17277 states to 17277 states and 22884 transitions. [2019-10-15 00:53:39,331 INFO L78 Accepts]: Start accepts. Automaton has 17277 states and 22884 transitions. Word has length 195 [2019-10-15 00:53:39,332 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 00:53:39,332 INFO L462 AbstractCegarLoop]: Abstraction has 17277 states and 22884 transitions. [2019-10-15 00:53:39,332 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 00:53:39,332 INFO L276 IsEmpty]: Start isEmpty. Operand 17277 states and 22884 transitions. [2019-10-15 00:53:39,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2019-10-15 00:53:39,337 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 00:53:39,337 INFO L380 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 00:53:39,337 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 00:53:39,338 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 00:53:39,338 INFO L82 PathProgramCache]: Analyzing trace with hash 1243069973, now seen corresponding path program 1 times [2019-10-15 00:53:39,338 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 00:53:39,338 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [701417944] [2019-10-15 00:53:39,338 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:53:39,339 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:53:39,339 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 00:53:39,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 00:53:39,779 INFO L134 CoverageAnalysis]: Checked inductivity of 373 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 373 trivial. 0 not checked. [2019-10-15 00:53:39,779 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [701417944] [2019-10-15 00:53:39,780 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 00:53:39,780 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-15 00:53:39,780 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [434589744] [2019-10-15 00:53:39,781 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-15 00:53:39,781 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 00:53:39,781 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-15 00:53:39,781 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-15 00:53:39,782 INFO L87 Difference]: Start difference. First operand 17277 states and 22884 transitions. Second operand 6 states. [2019-10-15 00:53:40,690 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 00:53:40,690 INFO L93 Difference]: Finished difference Result 34717 states and 47337 transitions. [2019-10-15 00:53:40,691 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-15 00:53:40,691 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 209 [2019-10-15 00:53:40,693 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 00:53:40,796 INFO L225 Difference]: With dead ends: 34717 [2019-10-15 00:53:40,797 INFO L226 Difference]: Without dead ends: 17493 [2019-10-15 00:53:40,886 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2019-10-15 00:53:40,916 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17493 states. [2019-10-15 00:53:41,578 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17493 to 17457. [2019-10-15 00:53:41,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17457 states. [2019-10-15 00:53:41,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17457 states to 17457 states and 23160 transitions. [2019-10-15 00:53:41,671 INFO L78 Accepts]: Start accepts. Automaton has 17457 states and 23160 transitions. Word has length 209 [2019-10-15 00:53:41,674 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 00:53:41,674 INFO L462 AbstractCegarLoop]: Abstraction has 17457 states and 23160 transitions. [2019-10-15 00:53:41,674 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-15 00:53:41,674 INFO L276 IsEmpty]: Start isEmpty. Operand 17457 states and 23160 transitions. [2019-10-15 00:53:41,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2019-10-15 00:53:41,681 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 00:53:41,681 INFO L380 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 00:53:41,682 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 00:53:41,682 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 00:53:41,682 INFO L82 PathProgramCache]: Analyzing trace with hash -67206886, now seen corresponding path program 1 times [2019-10-15 00:53:41,682 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 00:53:41,683 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [607003316] [2019-10-15 00:53:41,683 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:53:41,683 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:53:41,683 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 00:53:42,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 00:53:42,246 INFO L134 CoverageAnalysis]: Checked inductivity of 373 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 373 trivial. 0 not checked. [2019-10-15 00:53:42,246 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [607003316] [2019-10-15 00:53:42,247 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 00:53:42,247 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 00:53:42,247 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [38462546] [2019-10-15 00:53:42,248 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 00:53:42,248 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 00:53:42,248 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 00:53:42,248 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 00:53:42,249 INFO L87 Difference]: Start difference. First operand 17457 states and 23160 transitions. Second operand 3 states. [2019-10-15 00:53:42,932 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 00:53:42,933 INFO L93 Difference]: Finished difference Result 34813 states and 46197 transitions. [2019-10-15 00:53:42,933 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 00:53:42,933 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 221 [2019-10-15 00:53:42,934 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 00:53:43,052 INFO L225 Difference]: With dead ends: 34813 [2019-10-15 00:53:43,052 INFO L226 Difference]: Without dead ends: 17409 [2019-10-15 00:53:43,119 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 00:53:43,149 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17409 states. [2019-10-15 00:53:44,058 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17409 to 17409. [2019-10-15 00:53:44,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17409 states. [2019-10-15 00:53:44,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17409 states to 17409 states and 23022 transitions. [2019-10-15 00:53:44,135 INFO L78 Accepts]: Start accepts. Automaton has 17409 states and 23022 transitions. Word has length 221 [2019-10-15 00:53:44,135 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 00:53:44,135 INFO L462 AbstractCegarLoop]: Abstraction has 17409 states and 23022 transitions. [2019-10-15 00:53:44,135 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 00:53:44,136 INFO L276 IsEmpty]: Start isEmpty. Operand 17409 states and 23022 transitions. [2019-10-15 00:53:44,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2019-10-15 00:53:44,141 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 00:53:44,141 INFO L380 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 00:53:44,141 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 00:53:44,142 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 00:53:44,142 INFO L82 PathProgramCache]: Analyzing trace with hash -1809587169, now seen corresponding path program 1 times [2019-10-15 00:53:44,142 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 00:53:44,142 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1548346654] [2019-10-15 00:53:44,142 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:53:44,143 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:53:44,143 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 00:53:44,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 00:53:44,411 INFO L134 CoverageAnalysis]: Checked inductivity of 373 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 373 trivial. 0 not checked. [2019-10-15 00:53:44,411 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1548346654] [2019-10-15 00:53:44,412 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 00:53:44,412 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 00:53:44,412 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1462423513] [2019-10-15 00:53:44,413 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 00:53:44,413 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 00:53:44,414 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 00:53:44,414 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 00:53:44,414 INFO L87 Difference]: Start difference. First operand 17409 states and 23022 transitions. Second operand 3 states. [2019-10-15 00:53:45,470 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 00:53:45,471 INFO L93 Difference]: Finished difference Result 51917 states and 68622 transitions. [2019-10-15 00:53:45,471 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 00:53:45,471 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 217 [2019-10-15 00:53:45,472 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 00:53:45,690 INFO L225 Difference]: With dead ends: 51917 [2019-10-15 00:53:45,690 INFO L226 Difference]: Without dead ends: 34561 [2019-10-15 00:53:45,751 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 00:53:45,801 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34561 states. [2019-10-15 00:53:48,027 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34561 to 34557. [2019-10-15 00:53:48,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 34557 states. [2019-10-15 00:53:48,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34557 states to 34557 states and 45636 transitions. [2019-10-15 00:53:48,166 INFO L78 Accepts]: Start accepts. Automaton has 34557 states and 45636 transitions. Word has length 217 [2019-10-15 00:53:48,167 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 00:53:48,167 INFO L462 AbstractCegarLoop]: Abstraction has 34557 states and 45636 transitions. [2019-10-15 00:53:48,167 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 00:53:48,168 INFO L276 IsEmpty]: Start isEmpty. Operand 34557 states and 45636 transitions. [2019-10-15 00:53:48,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2019-10-15 00:53:48,175 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 00:53:48,175 INFO L380 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 00:53:48,175 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 00:53:48,176 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 00:53:48,176 INFO L82 PathProgramCache]: Analyzing trace with hash 1444200, now seen corresponding path program 1 times [2019-10-15 00:53:48,176 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 00:53:48,176 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1156533421] [2019-10-15 00:53:48,177 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:53:48,177 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:53:48,177 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 00:53:48,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 00:53:48,510 INFO L134 CoverageAnalysis]: Checked inductivity of 373 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 373 trivial. 0 not checked. [2019-10-15 00:53:48,511 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1156533421] [2019-10-15 00:53:48,511 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 00:53:48,511 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 00:53:48,511 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [706795622] [2019-10-15 00:53:48,512 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 00:53:48,512 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 00:53:48,513 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 00:53:48,513 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 00:53:48,513 INFO L87 Difference]: Start difference. First operand 34557 states and 45636 transitions. Second operand 3 states.