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/ai/svcomp-Reach-32bit-Automizer_Default+AIv2_INT.epf -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-fea9116 [2019-09-20 13:44:39,220 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 13:44:39,223 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 13:44:39,235 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 13:44:39,235 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 13:44:39,236 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 13:44:39,238 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 13:44:39,240 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 13:44:39,242 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 13:44:39,243 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 13:44:39,244 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 13:44:39,246 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 13:44:39,246 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 13:44:39,247 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 13:44:39,248 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 13:44:39,249 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 13:44:39,250 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 13:44:39,251 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 13:44:39,253 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 13:44:39,255 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 13:44:39,257 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 13:44:39,258 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 13:44:39,260 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 13:44:39,261 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 13:44:39,264 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 13:44:39,264 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 13:44:39,264 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 13:44:39,265 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 13:44:39,266 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 13:44:39,267 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 13:44:39,268 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 13:44:39,269 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 13:44:39,269 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 13:44:39,270 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 13:44:39,272 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 13:44:39,272 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 13:44:39,273 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 13:44:39,273 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 13:44:39,274 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 13:44:39,275 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 13:44:39,275 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 13:44:39,276 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/svcomp-Reach-32bit-Automizer_Default+AIv2_INT.epf [2019-09-20 13:44:39,293 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 13:44:39,293 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 13:44:39,293 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-20 13:44:39,294 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-20 13:44:39,294 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-20 13:44:39,294 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-20 13:44:39,295 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-20 13:44:39,295 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-20 13:44:39,295 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-20 13:44:39,295 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-20 13:44:39,296 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 13:44:39,296 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 13:44:39,296 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 13:44:39,297 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 13:44:39,297 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 13:44:39,297 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 13:44:39,297 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 13:44:39,297 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 13:44:39,298 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 13:44:39,298 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 13:44:39,298 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 13:44:39,298 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-20 13:44:39,298 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 13:44:39,299 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 13:44:39,299 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 13:44:39,299 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 13:44:39,299 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-20 13:44:39,299 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 13:44:39,300 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-20 13:44:39,300 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-20 13:44:39,329 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 13:44:39,343 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 13:44:39,346 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 13:44:39,348 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 13:44:39,348 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 13:44:39,349 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--input--gameport--gameport.ko-entry_point.cil.out.i [2019-09-20 13:44:39,414 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7c3517220/affb35a98bd04830b808b7e328573e98/FLAG9b3deac8e [2019-09-20 13:44:40,120 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 13:44:40,121 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--input--gameport--gameport.ko-entry_point.cil.out.i [2019-09-20 13:44:40,162 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7c3517220/affb35a98bd04830b808b7e328573e98/FLAG9b3deac8e [2019-09-20 13:44:40,205 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7c3517220/affb35a98bd04830b808b7e328573e98 [2019-09-20 13:44:40,215 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 13:44:40,217 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 13:44:40,218 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 13:44:40,218 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 13:44:40,227 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 13:44:40,228 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:44:40" (1/1) ... [2019-09-20 13:44:40,231 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2a769d22 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:44:40, skipping insertion in model container [2019-09-20 13:44:40,231 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:44:40" (1/1) ... [2019-09-20 13:44:40,238 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 13:44:40,356 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 13:44:41,672 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 13:44:41,718 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 13:44:41,979 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 13:44:42,283 INFO L192 MainTranslator]: Completed translation [2019-09-20 13:44:42,284 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:44:42 WrapperNode [2019-09-20 13:44:42,285 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 13:44:42,286 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 13:44:42,286 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 13:44:42,286 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 13:44:42,302 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:44:42" (1/1) ... [2019-09-20 13:44:42,304 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:44:42" (1/1) ... [2019-09-20 13:44:42,407 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:44:42" (1/1) ... [2019-09-20 13:44:42,407 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:44:42" (1/1) ... [2019-09-20 13:44:42,527 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:44:42" (1/1) ... [2019-09-20 13:44:42,543 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:44:42" (1/1) ... [2019-09-20 13:44:42,574 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:44:42" (1/1) ... [2019-09-20 13:44:42,605 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 13:44:42,606 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 13:44:42,606 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 13:44:42,608 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 13:44:42,609 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:44:42" (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 [2019-09-20 13:44:42,711 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 13:44:42,712 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 13:44:42,713 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2019-09-20 13:44:42,713 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2019-09-20 13:44:42,713 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2019-09-20 13:44:42,714 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~int [2019-09-20 13:44:42,714 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2019-09-20 13:44:42,715 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2019-09-20 13:44:42,715 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2019-09-20 13:44:42,715 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del_init [2019-09-20 13:44:42,716 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2019-09-20 13:44:42,718 INFO L138 BoogieDeclarations]: Found implementation of procedure paravirt_read_tsc [2019-09-20 13:44:42,719 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_save_flags [2019-09-20 13:44:42,721 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_restore [2019-09-20 13:44:42,721 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_disable [2019-09-20 13:44:42,722 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_save [2019-09-20 13:44:42,723 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_irqs_disabled_flags [2019-09-20 13:44:42,723 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_add_return [2019-09-20 13:44:42,723 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2019-09-20 13:44:42,724 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2019-09-20 13:44:42,724 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2019-09-20 13:44:42,724 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2019-09-20 13:44:42,724 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2019-09-20 13:44:42,724 INFO L138 BoogieDeclarations]: Found implementation of procedure ktime_get_ns [2019-09-20 13:44:42,725 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work [2019-09-20 13:44:42,725 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2019-09-20 13:44:42,725 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2019-09-20 13:44:42,725 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2019-09-20 13:44:42,726 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-09-20 13:44:42,726 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-09-20 13:44:42,726 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2019-09-20 13:44:42,726 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2019-09-20 13:44:42,726 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2019-09-20 13:44:42,726 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ptr [2019-09-20 13:44:42,727 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2019-09-20 13:44:42,727 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2019-09-20 13:44:42,727 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2019-09-20 13:44:42,727 INFO L138 BoogieDeclarations]: Found implementation of procedure device_is_registered [2019-09-20 13:44:42,727 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_read [2019-09-20 13:44:42,727 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_measure_speed [2019-09-20 13:44:42,728 INFO L138 BoogieDeclarations]: Found implementation of procedure old_gameport_measure_speed [2019-09-20 13:44:42,728 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_start_polling [2019-09-20 13:44:42,728 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_stop_polling [2019-09-20 13:44:42,728 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_run_poll_handler [2019-09-20 13:44:42,728 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_bind_driver [2019-09-20 13:44:42,728 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_find_driver [2019-09-20 13:44:42,729 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_get_event [2019-09-20 13:44:42,729 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_free_event [2019-09-20 13:44:42,729 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_remove_duplicate_events [2019-09-20 13:44:42,729 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_handle_events [2019-09-20 13:44:42,729 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_queue_event [2019-09-20 13:44:42,729 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_remove_pending_events [2019-09-20 13:44:42,730 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_get_pending_child [2019-09-20 13:44:42,730 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_description_show [2019-09-20 13:44:42,730 INFO L138 BoogieDeclarations]: Found implementation of procedure drvctl_store [2019-09-20 13:44:42,730 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_release_port [2019-09-20 13:44:42,730 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_set_phys [2019-09-20 13:44:42,730 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_init_port [2019-09-20 13:44:42,731 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_add_port [2019-09-20 13:44:42,731 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_destroy_port [2019-09-20 13:44:42,731 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_reconnect_port [2019-09-20 13:44:42,731 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_disconnect_port [2019-09-20 13:44:42,732 INFO L138 BoogieDeclarations]: Found implementation of procedure __gameport_register_port [2019-09-20 13:44:42,732 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_unregister_port [2019-09-20 13:44:42,732 INFO L138 BoogieDeclarations]: Found implementation of procedure description_show [2019-09-20 13:44:42,732 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_driver_probe [2019-09-20 13:44:42,733 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_driver_remove [2019-09-20 13:44:42,733 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_attach_driver [2019-09-20 13:44:42,733 INFO L138 BoogieDeclarations]: Found implementation of procedure __gameport_register_driver [2019-09-20 13:44:42,733 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_unregister_driver [2019-09-20 13:44:42,733 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_bus_match [2019-09-20 13:44:42,733 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_set_drv [2019-09-20 13:44:42,734 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_open [2019-09-20 13:44:42,734 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_close [2019-09-20 13:44:42,734 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_init [2019-09-20 13:44:42,735 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_exit [2019-09-20 13:44:42,735 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_bus_type_3 [2019-09-20 13:44:42,736 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_work_1 [2019-09-20 13:44:42,736 INFO L138 BoogieDeclarations]: Found implementation of procedure choose_timer_2 [2019-09-20 13:44:42,737 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_2 [2019-09-20 13:44:42,737 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_work_1 [2019-09-20 13:44:42,737 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_2 [2019-09-20 13:44:42,738 INFO L138 BoogieDeclarations]: Found implementation of procedure work_init_1 [2019-09-20 13:44:42,738 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_2 [2019-09-20 13:44:42,738 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_all_1 [2019-09-20 13:44:42,739 INFO L138 BoogieDeclarations]: Found implementation of procedure invoke_work_1 [2019-09-20 13:44:42,740 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_1 [2019-09-20 13:44:42,741 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 13:44:42,741 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_queue_work_on_5 [2019-09-20 13:44:42,741 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_queue_delayed_work_on_6 [2019-09-20 13:44:42,741 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_queue_work_on_7 [2019-09-20 13:44:42,742 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_flush_workqueue_8 [2019-09-20 13:44:42,742 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_queue_delayed_work_on_9 [2019-09-20 13:44:42,742 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer_10 [2019-09-20 13:44:42,742 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_11 [2019-09-20 13:44:42,743 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer_12 [2019-09-20 13:44:42,743 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put_13 [2019-09-20 13:44:42,743 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_try_module_get_14 [2019-09-20 13:44:42,743 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put_15 [2019-09-20 13:44:42,744 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___module_get_16 [2019-09-20 13:44:42,744 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync_17 [2019-09-20 13:44:42,744 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_cancel_work_sync_18 [2019-09-20 13:44:42,744 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2019-09-20 13:44:42,744 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2019-09-20 13:44:42,745 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2019-09-20 13:44:42,745 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2019-09-20 13:44:42,745 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2019-09-20 13:44:42,745 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_get [2019-09-20 13:44:42,746 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_try_module_get [2019-09-20 13:44:42,746 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put [2019-09-20 13:44:42,746 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put_and_exit [2019-09-20 13:44:42,746 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_refcount [2019-09-20 13:44:42,746 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-09-20 13:44:42,747 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2019-09-20 13:44:42,747 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_del_entry [2019-09-20 13:44:42,747 INFO L138 BoogieDeclarations]: Found implementation of procedure __msecs_to_jiffies [2019-09-20 13:44:42,748 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2019-09-20 13:44:42,749 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2019-09-20 13:44:42,749 INFO L138 BoogieDeclarations]: Found implementation of procedure __udelay [2019-09-20 13:44:42,749 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2019-09-20 13:44:42,750 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock [2019-09-20 13:44:42,750 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2019-09-20 13:44:42,750 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock [2019-09-20 13:44:42,751 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irqrestore [2019-09-20 13:44:42,751 INFO L138 BoogieDeclarations]: Found implementation of procedure bus_register [2019-09-20 13:44:42,752 INFO L138 BoogieDeclarations]: Found implementation of procedure bus_unregister [2019-09-20 13:44:42,752 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2019-09-20 13:44:42,752 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2019-09-20 13:44:42,752 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2019-09-20 13:44:42,752 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2019-09-20 13:44:42,753 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_name [2019-09-20 13:44:42,753 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_warn [2019-09-20 13:44:42,753 INFO L138 BoogieDeclarations]: Found implementation of procedure device_add [2019-09-20 13:44:42,753 INFO L138 BoogieDeclarations]: Found implementation of procedure device_attach [2019-09-20 13:44:42,754 INFO L138 BoogieDeclarations]: Found implementation of procedure device_bind_driver [2019-09-20 13:44:42,754 INFO L138 BoogieDeclarations]: Found implementation of procedure device_del [2019-09-20 13:44:42,754 INFO L138 BoogieDeclarations]: Found implementation of procedure device_initialize [2019-09-20 13:44:42,759 INFO L138 BoogieDeclarations]: Found implementation of procedure device_release_driver [2019-09-20 13:44:42,760 INFO L138 BoogieDeclarations]: Found implementation of procedure driver_attach [2019-09-20 13:44:42,763 INFO L138 BoogieDeclarations]: Found implementation of procedure driver_find [2019-09-20 13:44:42,764 INFO L138 BoogieDeclarations]: Found implementation of procedure driver_register [2019-09-20 13:44:42,764 INFO L138 BoogieDeclarations]: Found implementation of procedure driver_unregister [2019-09-20 13:44:42,764 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_workqueue [2019-09-20 13:44:42,771 INFO L138 BoogieDeclarations]: Found implementation of procedure ktime_get [2019-09-20 13:44:42,771 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_va_end [2019-09-20 13:44:42,772 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_va_start [2019-09-20 13:44:42,772 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-09-20 13:44:42,772 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2019-09-20 13:44:42,772 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_interruptible_nested [2019-09-20 13:44:42,773 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2019-09-20 13:44:42,773 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2019-09-20 13:44:42,773 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2019-09-20 13:44:42,774 INFO L138 BoogieDeclarations]: Found implementation of procedure put_device [2019-09-20 13:44:42,774 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work_on [2019-09-20 13:44:42,775 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2019-09-20 13:44:42,775 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_off [2019-09-20 13:44:42,775 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_on [2019-09-20 13:44:42,775 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-09-20 13:44:42,776 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-09-20 13:44:42,776 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-09-20 13:44:42,776 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-09-20 13:44:42,776 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 13:44:42,777 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_va_end [2019-09-20 13:44:42,777 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2019-09-20 13:44:42,777 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_va_start [2019-09-20 13:44:42,777 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2019-09-20 13:44:42,777 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2019-09-20 13:44:42,778 INFO L130 BoogieDeclarations]: Found specification of procedure vsnprintf [2019-09-20 13:44:42,778 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2019-09-20 13:44:42,778 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-20 13:44:42,778 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2019-09-20 13:44:42,779 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2019-09-20 13:44:42,779 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-20 13:44:42,779 INFO L130 BoogieDeclarations]: Found specification of procedure __list_del_entry [2019-09-20 13:44:42,779 INFO L130 BoogieDeclarations]: Found specification of procedure list_del_init [2019-09-20 13:44:42,779 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2019-09-20 13:44:42,780 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2019-09-20 13:44:42,780 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2019-09-20 13:44:42,780 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-09-20 13:44:42,780 INFO L130 BoogieDeclarations]: Found specification of procedure strncmp [2019-09-20 13:44:42,780 INFO L130 BoogieDeclarations]: Found specification of procedure paravirt_read_tsc [2019-09-20 13:44:42,781 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_save_flags [2019-09-20 13:44:42,781 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_restore [2019-09-20 13:44:42,781 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_disable [2019-09-20 13:44:42,781 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_save [2019-09-20 13:44:42,781 INFO L130 BoogieDeclarations]: Found specification of procedure arch_irqs_disabled_flags [2019-09-20 13:44:42,781 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_on [2019-09-20 13:44:42,782 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_off [2019-09-20 13:44:42,782 INFO L130 BoogieDeclarations]: Found specification of procedure __xadd_wrong_size [2019-09-20 13:44:42,782 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_add_return [2019-09-20 13:44:42,782 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2019-09-20 13:44:42,782 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock [2019-09-20 13:44:42,783 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2019-09-20 13:44:42,783 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock [2019-09-20 13:44:42,783 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore [2019-09-20 13:44:42,783 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2019-09-20 13:44:42,783 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2019-09-20 13:44:42,783 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2019-09-20 13:44:42,784 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2019-09-20 13:44:42,784 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2019-09-20 13:44:42,784 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2019-09-20 13:44:42,784 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_interruptible_nested [2019-09-20 13:44:42,784 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2019-09-20 13:44:42,785 INFO L130 BoogieDeclarations]: Found specification of procedure __msecs_to_jiffies [2019-09-20 13:44:42,785 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2019-09-20 13:44:42,785 INFO L130 BoogieDeclarations]: Found specification of procedure ktime_get [2019-09-20 13:44:42,785 INFO L130 BoogieDeclarations]: Found specification of procedure ktime_get_ns [2019-09-20 13:44:42,785 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-20 13:44:42,785 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-20 13:44:42,785 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-20 13:44:42,786 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-20 13:44:42,786 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2019-09-20 13:44:42,786 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_11 [2019-09-20 13:44:42,786 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2019-09-20 13:44:42,786 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer_10 [2019-09-20 13:44:42,787 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer_12 [2019-09-20 13:44:42,787 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2019-09-20 13:44:42,787 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync_17 [2019-09-20 13:44:42,787 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2019-09-20 13:44:42,787 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_queue_work_on_5 [2019-09-20 13:44:42,788 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_queue_work_on_7 [2019-09-20 13:44:42,788 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work_on [2019-09-20 13:44:42,788 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_queue_delayed_work_on_6 [2019-09-20 13:44:42,788 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_queue_delayed_work_on_9 [2019-09-20 13:44:42,789 INFO L130 BoogieDeclarations]: Found specification of procedure flush_workqueue [2019-09-20 13:44:42,789 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_flush_workqueue_8 [2019-09-20 13:44:42,789 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2019-09-20 13:44:42,789 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_cancel_work_sync_18 [2019-09-20 13:44:42,789 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work [2019-09-20 13:44:42,790 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2019-09-20 13:44:42,790 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___module_get_16 [2019-09-20 13:44:42,790 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_try_module_get_14 [2019-09-20 13:44:42,790 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put_13 [2019-09-20 13:44:42,790 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put_15 [2019-09-20 13:44:42,791 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_try_module_get [2019-09-20 13:44:42,791 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_get [2019-09-20 13:44:42,791 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put [2019-09-20 13:44:42,791 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-09-20 13:44:42,791 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-09-20 13:44:42,791 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2019-09-20 13:44:42,791 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2019-09-20 13:44:42,792 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-20 13:44:42,792 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-09-20 13:44:42,792 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 13:44:42,792 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-09-20 13:44:42,792 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-09-20 13:44:42,792 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-20 13:44:42,792 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-20 13:44:42,793 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-09-20 13:44:42,793 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-09-20 13:44:42,793 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2019-09-20 13:44:42,793 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2019-09-20 13:44:42,793 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-09-20 13:44:42,793 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2019-09-20 13:44:42,793 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ptr [2019-09-20 13:44:42,793 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2019-09-20 13:44:42,794 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2019-09-20 13:44:42,794 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_bus_type_3 [2019-09-20 13:44:42,794 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_work_1 [2019-09-20 13:44:42,794 INFO L130 BoogieDeclarations]: Found specification of procedure choose_timer_2 [2019-09-20 13:44:42,794 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_2 [2019-09-20 13:44:42,794 INFO L130 BoogieDeclarations]: Found specification of procedure disable_work_1 [2019-09-20 13:44:42,794 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_2 [2019-09-20 13:44:42,795 INFO L130 BoogieDeclarations]: Found specification of procedure work_init_1 [2019-09-20 13:44:42,795 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_2 [2019-09-20 13:44:42,796 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_all_1 [2019-09-20 13:44:42,801 INFO L130 BoogieDeclarations]: Found specification of procedure invoke_work_1 [2019-09-20 13:44:42,801 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_1 [2019-09-20 13:44:42,802 INFO L130 BoogieDeclarations]: Found specification of procedure bus_register [2019-09-20 13:44:42,802 INFO L130 BoogieDeclarations]: Found specification of procedure bus_unregister [2019-09-20 13:44:42,802 INFO L130 BoogieDeclarations]: Found specification of procedure driver_register [2019-09-20 13:44:42,806 INFO L130 BoogieDeclarations]: Found specification of procedure driver_unregister [2019-09-20 13:44:42,807 INFO L130 BoogieDeclarations]: Found specification of procedure driver_find [2019-09-20 13:44:42,807 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_name [2019-09-20 13:44:42,807 INFO L130 BoogieDeclarations]: Found specification of procedure device_is_registered [2019-09-20 13:44:42,807 INFO L130 BoogieDeclarations]: Found specification of procedure device_initialize [2019-09-20 13:44:42,808 INFO L130 BoogieDeclarations]: Found specification of procedure device_add [2019-09-20 13:44:42,808 INFO L130 BoogieDeclarations]: Found specification of procedure device_del [2019-09-20 13:44:42,808 INFO L130 BoogieDeclarations]: Found specification of procedure device_bind_driver [2019-09-20 13:44:42,808 INFO L130 BoogieDeclarations]: Found specification of procedure device_release_driver [2019-09-20 13:44:42,809 INFO L130 BoogieDeclarations]: Found specification of procedure device_attach [2019-09-20 13:44:42,809 INFO L130 BoogieDeclarations]: Found specification of procedure driver_attach [2019-09-20 13:44:42,809 INFO L130 BoogieDeclarations]: Found specification of procedure put_device [2019-09-20 13:44:42,809 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2019-09-20 13:44:42,809 INFO L130 BoogieDeclarations]: Found specification of procedure dev_warn [2019-09-20 13:44:42,809 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2019-09-20 13:44:42,810 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_open [2019-09-20 13:44:42,810 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_close [2019-09-20 13:44:42,810 INFO L130 BoogieDeclarations]: Found specification of procedure __gameport_register_port [2019-09-20 13:44:42,810 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_unregister_port [2019-09-20 13:44:42,810 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_set_phys [2019-09-20 13:44:42,810 INFO L130 BoogieDeclarations]: Found specification of procedure __gameport_register_driver [2019-09-20 13:44:42,811 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_unregister_driver [2019-09-20 13:44:42,811 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_read [2019-09-20 13:44:42,811 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2019-09-20 13:44:42,811 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_start_polling [2019-09-20 13:44:42,811 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_stop_polling [2019-09-20 13:44:42,811 INFO L130 BoogieDeclarations]: Found specification of procedure __udelay [2019-09-20 13:44:42,812 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_add_port [2019-09-20 13:44:42,812 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_attach_driver [2019-09-20 13:44:42,812 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_reconnect_port [2019-09-20 13:44:42,812 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_disconnect_port [2019-09-20 13:44:42,812 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_measure_speed [2019-09-20 13:44:42,812 INFO L130 BoogieDeclarations]: Found specification of procedure old_gameport_measure_speed [2019-09-20 13:44:42,812 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_run_poll_handler [2019-09-20 13:44:42,813 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2019-09-20 13:44:42,813 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_bind_driver [2019-09-20 13:44:42,813 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2019-09-20 13:44:42,813 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_find_driver [2019-09-20 13:44:42,813 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_get_event [2019-09-20 13:44:42,814 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_free_event [2019-09-20 13:44:42,814 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_remove_duplicate_events [2019-09-20 13:44:42,814 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_handle_events [2019-09-20 13:44:42,814 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_queue_event [2019-09-20 13:44:42,814 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_remove_pending_events [2019-09-20 13:44:42,815 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_get_pending_child [2019-09-20 13:44:42,815 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_description_show [2019-09-20 13:44:42,815 INFO L130 BoogieDeclarations]: Found specification of procedure drvctl_store [2019-09-20 13:44:42,815 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_release_port [2019-09-20 13:44:42,816 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_init_port [2019-09-20 13:44:42,816 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_destroy_port [2019-09-20 13:44:42,816 INFO L130 BoogieDeclarations]: Found specification of procedure description_show [2019-09-20 13:44:42,816 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_driver_probe [2019-09-20 13:44:42,816 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_driver_remove [2019-09-20 13:44:42,816 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_bus_match [2019-09-20 13:44:42,816 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_set_drv [2019-09-20 13:44:42,817 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~int [2019-09-20 13:44:42,817 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_init [2019-09-20 13:44:42,817 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_exit [2019-09-20 13:44:42,817 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-09-20 13:44:42,817 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-09-20 13:44:42,817 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2019-09-20 13:44:42,817 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 13:44:42,818 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2019-09-20 13:44:42,818 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2019-09-20 13:44:42,818 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2019-09-20 13:44:42,818 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2019-09-20 13:44:42,818 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2019-09-20 13:44:42,818 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put_and_exit [2019-09-20 13:44:42,818 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_refcount [2019-09-20 13:44:42,818 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-09-20 13:44:42,819 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-09-20 13:44:42,819 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-20 13:44:42,819 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 13:44:42,819 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-20 13:44:42,819 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-09-20 13:44:42,819 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 13:44:43,944 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2019-09-20 13:44:45,897 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_module_put_and_exitFINAL: assume true; [2019-09-20 13:44:46,509 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 13:44:46,509 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-20 13:44:46,512 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:44:46 BoogieIcfgContainer [2019-09-20 13:44:46,512 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 13:44:46,514 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-20 13:44:46,514 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-20 13:44:46,518 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-20 13:44:46,518 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.09 01:44:40" (1/3) ... [2019-09-20 13:44:46,519 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@14022edd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 01:44:46, skipping insertion in model container [2019-09-20 13:44:46,519 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:44:42" (2/3) ... [2019-09-20 13:44:46,520 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@14022edd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 01:44:46, skipping insertion in model container [2019-09-20 13:44:46,520 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:44:46" (3/3) ... [2019-09-20 13:44:46,524 INFO L109 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-08_1a-drivers--input--gameport--gameport.ko-entry_point.cil.out.i [2019-09-20 13:44:46,534 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-20 13:44:46,548 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-20 13:44:46,565 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-20 13:44:46,597 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-20 13:44:46,597 INFO L378 AbstractCegarLoop]: Hoare is false [2019-09-20 13:44:46,598 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-20 13:44:46,598 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-20 13:44:46,598 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-20 13:44:46,598 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-20 13:44:46,598 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-20 13:44:46,598 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-20 13:44:46,645 INFO L276 IsEmpty]: Start isEmpty. Operand 1031 states. [2019-09-20 13:44:46,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2019-09-20 13:44:46,679 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:44:46,681 INFO L407 BasicCegarLoop]: trace histogram [10, 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] [2019-09-20 13:44:46,683 INFO L418 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:44:46,688 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:44:46,688 INFO L82 PathProgramCache]: Analyzing trace with hash -1919639748, now seen corresponding path program 1 times [2019-09-20 13:44:46,690 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-20 13:44:46,773 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:44:46,773 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:44:46,773 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:44:46,774 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-20 13:44:47,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:44:47,572 INFO L134 CoverageAnalysis]: Checked inductivity of 405 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 405 trivial. 0 not checked. [2019-09-20 13:44:47,575 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:44:47,575 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-20 13:44:47,575 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-20 13:44:47,584 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-20 13:44:47,599 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-20 13:44:47,600 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-20 13:44:47,602 INFO L87 Difference]: Start difference. First operand 1031 states. Second operand 3 states. [2019-09-20 13:44:47,909 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:44:47,909 INFO L93 Difference]: Finished difference Result 1715 states and 2203 transitions. [2019-09-20 13:44:47,910 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-20 13:44:47,911 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 165 [2019-09-20 13:44:47,913 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:44:47,950 INFO L225 Difference]: With dead ends: 1715 [2019-09-20 13:44:47,951 INFO L226 Difference]: Without dead ends: 1672 [2019-09-20 13:44:47,953 INFO L636 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 [2019-09-20 13:44:47,982 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1672 states. [2019-09-20 13:44:48,129 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1672 to 1639. [2019-09-20 13:44:48,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1639 states. [2019-09-20 13:44:48,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1639 states to 1639 states and 2097 transitions. [2019-09-20 13:44:48,151 INFO L78 Accepts]: Start accepts. Automaton has 1639 states and 2097 transitions. Word has length 165 [2019-09-20 13:44:48,155 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:44:48,155 INFO L475 AbstractCegarLoop]: Abstraction has 1639 states and 2097 transitions. [2019-09-20 13:44:48,155 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-20 13:44:48,155 INFO L276 IsEmpty]: Start isEmpty. Operand 1639 states and 2097 transitions. [2019-09-20 13:44:48,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2019-09-20 13:44:48,166 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:44:48,166 INFO L407 BasicCegarLoop]: trace histogram [10, 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] [2019-09-20 13:44:48,167 INFO L418 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:44:48,167 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:44:48,167 INFO L82 PathProgramCache]: Analyzing trace with hash -578489622, now seen corresponding path program 1 times [2019-09-20 13:44:48,168 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-20 13:44:48,250 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:44:48,251 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:44:48,251 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:44:48,251 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-20 13:44:48,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:44:48,689 INFO L134 CoverageAnalysis]: Checked inductivity of 405 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 405 trivial. 0 not checked. [2019-09-20 13:44:48,689 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:44:48,691 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-20 13:44:48,691 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-20 13:44:48,710 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-20 13:44:48,710 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-20 13:44:48,711 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2019-09-20 13:44:48,711 INFO L87 Difference]: Start difference. First operand 1639 states and 2097 transitions. Second operand 5 states. [2019-09-20 13:44:52,345 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:44:52,346 INFO L93 Difference]: Finished difference Result 6270 states and 8342 transitions. [2019-09-20 13:44:52,346 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-09-20 13:44:52,346 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 168 [2019-09-20 13:44:52,347 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:44:52,386 INFO L225 Difference]: With dead ends: 6270 [2019-09-20 13:44:52,386 INFO L226 Difference]: Without dead ends: 6270 [2019-09-20 13:44:52,387 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2019-09-20 13:44:52,396 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6270 states. [2019-09-20 13:44:52,627 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6270 to 6147. [2019-09-20 13:44:52,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6147 states. [2019-09-20 13:44:52,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6147 states to 6147 states and 8204 transitions. [2019-09-20 13:44:52,664 INFO L78 Accepts]: Start accepts. Automaton has 6147 states and 8204 transitions. Word has length 168 [2019-09-20 13:44:52,664 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:44:52,665 INFO L475 AbstractCegarLoop]: Abstraction has 6147 states and 8204 transitions. [2019-09-20 13:44:52,665 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-20 13:44:52,665 INFO L276 IsEmpty]: Start isEmpty. Operand 6147 states and 8204 transitions. [2019-09-20 13:44:52,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2019-09-20 13:44:52,667 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:44:52,668 INFO L407 BasicCegarLoop]: trace histogram [10, 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] [2019-09-20 13:44:52,668 INFO L418 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:44:52,668 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:44:52,668 INFO L82 PathProgramCache]: Analyzing trace with hash 1577720869, now seen corresponding path program 1 times [2019-09-20 13:44:52,669 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-20 13:44:52,677 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:44:52,677 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:44:52,677 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:44:52,678 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-20 13:44:52,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:44:53,065 INFO L134 CoverageAnalysis]: Checked inductivity of 405 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 405 trivial. 0 not checked. [2019-09-20 13:44:53,066 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:44:53,066 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-20 13:44:53,066 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-20 13:44:53,067 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-20 13:44:53,067 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-20 13:44:53,067 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-20 13:44:53,067 INFO L87 Difference]: Start difference. First operand 6147 states and 8204 transitions. Second operand 3 states. [2019-09-20 13:44:53,125 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:44:53,126 INFO L93 Difference]: Finished difference Result 6138 states and 8186 transitions. [2019-09-20 13:44:53,126 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-20 13:44:53,126 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 164 [2019-09-20 13:44:53,127 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:44:53,175 INFO L225 Difference]: With dead ends: 6138 [2019-09-20 13:44:53,175 INFO L226 Difference]: Without dead ends: 6109 [2019-09-20 13:44:53,176 INFO L636 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 [2019-09-20 13:44:53,188 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6109 states. [2019-09-20 13:44:53,384 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6109 to 6102. [2019-09-20 13:44:53,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6102 states. [2019-09-20 13:44:53,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6102 states to 6102 states and 8131 transitions. [2019-09-20 13:44:53,413 INFO L78 Accepts]: Start accepts. Automaton has 6102 states and 8131 transitions. Word has length 164 [2019-09-20 13:44:53,414 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:44:53,414 INFO L475 AbstractCegarLoop]: Abstraction has 6102 states and 8131 transitions. [2019-09-20 13:44:53,414 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-20 13:44:53,415 INFO L276 IsEmpty]: Start isEmpty. Operand 6102 states and 8131 transitions. [2019-09-20 13:44:53,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2019-09-20 13:44:53,418 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:44:53,419 INFO L407 BasicCegarLoop]: trace histogram [10, 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] [2019-09-20 13:44:53,419 INFO L418 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:44:53,419 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:44:53,419 INFO L82 PathProgramCache]: Analyzing trace with hash 115679121, now seen corresponding path program 1 times [2019-09-20 13:44:53,419 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-20 13:44:53,427 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:44:53,427 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:44:53,427 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:44:53,427 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-20 13:44:53,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:44:53,656 INFO L134 CoverageAnalysis]: Checked inductivity of 405 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 405 trivial. 0 not checked. [2019-09-20 13:44:53,657 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:44:53,657 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-20 13:44:53,657 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-20 13:44:53,658 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-20 13:44:53,658 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-20 13:44:53,658 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-20 13:44:53,658 INFO L87 Difference]: Start difference. First operand 6102 states and 8131 transitions. Second operand 3 states. [2019-09-20 13:44:53,815 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:44:53,815 INFO L93 Difference]: Finished difference Result 11566 states and 15333 transitions. [2019-09-20 13:44:53,816 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-20 13:44:53,816 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 187 [2019-09-20 13:44:53,817 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:44:53,894 INFO L225 Difference]: With dead ends: 11566 [2019-09-20 13:44:53,895 INFO L226 Difference]: Without dead ends: 11566 [2019-09-20 13:44:53,895 INFO L636 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 [2019-09-20 13:44:53,912 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11566 states. [2019-09-20 13:44:54,449 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11566 to 11562. [2019-09-20 13:44:54,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11562 states. [2019-09-20 13:44:54,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11562 states to 11562 states and 15330 transitions. [2019-09-20 13:44:54,503 INFO L78 Accepts]: Start accepts. Automaton has 11562 states and 15330 transitions. Word has length 187 [2019-09-20 13:44:54,504 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:44:54,504 INFO L475 AbstractCegarLoop]: Abstraction has 11562 states and 15330 transitions. [2019-09-20 13:44:54,504 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-20 13:44:54,504 INFO L276 IsEmpty]: Start isEmpty. Operand 11562 states and 15330 transitions. [2019-09-20 13:44:54,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2019-09-20 13:44:54,509 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:44:54,510 INFO L407 BasicCegarLoop]: trace histogram [11, 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] [2019-09-20 13:44:54,510 INFO L418 AbstractCegarLoop]: === Iteration 5 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:44:54,510 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:44:54,511 INFO L82 PathProgramCache]: Analyzing trace with hash 1075863321, now seen corresponding path program 1 times [2019-09-20 13:44:54,511 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-20 13:44:54,518 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:44:54,519 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:44:54,519 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:44:54,519 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-20 13:44:54,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:44:54,782 INFO L134 CoverageAnalysis]: Checked inductivity of 498 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 495 trivial. 0 not checked. [2019-09-20 13:44:54,783 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:44:54,783 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-20 13:44:54,783 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-20 13:44:54,783 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-20 13:44:54,784 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-20 13:44:54,784 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-20 13:44:54,785 INFO L87 Difference]: Start difference. First operand 11562 states and 15330 transitions. Second operand 3 states. [2019-09-20 13:44:55,338 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:44:55,338 INFO L93 Difference]: Finished difference Result 17286 states and 22897 transitions. [2019-09-20 13:44:55,339 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-20 13:44:55,339 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 206 [2019-09-20 13:44:55,339 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:44:55,457 INFO L225 Difference]: With dead ends: 17286 [2019-09-20 13:44:55,457 INFO L226 Difference]: Without dead ends: 17286 [2019-09-20 13:44:55,458 INFO L636 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 [2019-09-20 13:44:55,480 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17286 states. [2019-09-20 13:44:55,875 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17286 to 17282. [2019-09-20 13:44:55,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17282 states. [2019-09-20 13:44:55,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17282 states to 17282 states and 22894 transitions. [2019-09-20 13:44:55,940 INFO L78 Accepts]: Start accepts. Automaton has 17282 states and 22894 transitions. Word has length 206 [2019-09-20 13:44:55,941 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:44:55,941 INFO L475 AbstractCegarLoop]: Abstraction has 17282 states and 22894 transitions. [2019-09-20 13:44:55,941 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-20 13:44:55,941 INFO L276 IsEmpty]: Start isEmpty. Operand 17282 states and 22894 transitions. [2019-09-20 13:44:55,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2019-09-20 13:44:55,947 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:44:55,947 INFO L407 BasicCegarLoop]: trace histogram [10, 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] [2019-09-20 13:44:55,947 INFO L418 AbstractCegarLoop]: === Iteration 6 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:44:55,948 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:44:55,948 INFO L82 PathProgramCache]: Analyzing trace with hash -1107584045, now seen corresponding path program 1 times [2019-09-20 13:44:55,948 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-20 13:44:55,958 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:44:55,958 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:44:55,958 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:44:55,958 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-20 13:44:57,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:44:57,266 INFO L134 CoverageAnalysis]: Checked inductivity of 418 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 418 trivial. 0 not checked. [2019-09-20 13:44:57,266 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:44:57,266 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-09-20 13:44:57,266 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-20 13:44:57,267 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-09-20 13:44:57,267 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-09-20 13:44:57,267 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-09-20 13:44:57,268 INFO L87 Difference]: Start difference. First operand 17282 states and 22894 transitions. Second operand 6 states. [2019-09-20 13:44:57,418 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:44:57,419 INFO L93 Difference]: Finished difference Result 17498 states and 23278 transitions. [2019-09-20 13:44:57,419 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-09-20 13:44:57,419 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 219 [2019-09-20 13:44:57,421 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:44:57,499 INFO L225 Difference]: With dead ends: 17498 [2019-09-20 13:44:57,499 INFO L226 Difference]: Without dead ends: 17498 [2019-09-20 13:44:57,499 INFO L636 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 [2019-09-20 13:44:57,523 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17498 states. [2019-09-20 13:44:57,895 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17498 to 17462. [2019-09-20 13:44:57,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17462 states. [2019-09-20 13:44:57,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17462 states to 17462 states and 23170 transitions. [2019-09-20 13:44:57,954 INFO L78 Accepts]: Start accepts. Automaton has 17462 states and 23170 transitions. Word has length 219 [2019-09-20 13:44:57,956 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:44:57,957 INFO L475 AbstractCegarLoop]: Abstraction has 17462 states and 23170 transitions. [2019-09-20 13:44:57,957 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-09-20 13:44:57,957 INFO L276 IsEmpty]: Start isEmpty. Operand 17462 states and 23170 transitions. [2019-09-20 13:44:57,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2019-09-20 13:44:57,962 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:44:57,962 INFO L407 BasicCegarLoop]: trace histogram [10, 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] [2019-09-20 13:44:57,962 INFO L418 AbstractCegarLoop]: === Iteration 7 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:44:57,962 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:44:57,963 INFO L82 PathProgramCache]: Analyzing trace with hash 1800922712, now seen corresponding path program 1 times [2019-09-20 13:44:57,963 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-20 13:44:57,969 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:44:57,970 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:44:57,970 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:44:57,970 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-20 13:44:58,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:44:58,519 INFO L134 CoverageAnalysis]: Checked inductivity of 418 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 418 trivial. 0 not checked. [2019-09-20 13:44:58,519 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:44:58,520 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-20 13:44:58,520 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-20 13:44:58,520 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-20 13:44:58,521 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-20 13:44:58,522 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-20 13:44:58,522 INFO L87 Difference]: Start difference. First operand 17462 states and 23170 transitions. Second operand 3 states. [2019-09-20 13:44:58,671 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:44:58,671 INFO L93 Difference]: Finished difference Result 17414 states and 23032 transitions. [2019-09-20 13:44:58,672 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-20 13:44:58,672 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 231 [2019-09-20 13:44:58,672 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:44:58,737 INFO L225 Difference]: With dead ends: 17414 [2019-09-20 13:44:58,737 INFO L226 Difference]: Without dead ends: 17414 [2019-09-20 13:44:58,737 INFO L636 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 [2019-09-20 13:44:58,753 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17414 states. [2019-09-20 13:44:59,092 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17414 to 17414. [2019-09-20 13:44:59,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17414 states. [2019-09-20 13:44:59,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17414 states to 17414 states and 23032 transitions. [2019-09-20 13:44:59,157 INFO L78 Accepts]: Start accepts. Automaton has 17414 states and 23032 transitions. Word has length 231 [2019-09-20 13:44:59,158 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:44:59,158 INFO L475 AbstractCegarLoop]: Abstraction has 17414 states and 23032 transitions. [2019-09-20 13:44:59,158 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-20 13:44:59,158 INFO L276 IsEmpty]: Start isEmpty. Operand 17414 states and 23032 transitions. [2019-09-20 13:44:59,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 228 [2019-09-20 13:44:59,163 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:44:59,164 INFO L407 BasicCegarLoop]: trace histogram [10, 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] [2019-09-20 13:44:59,164 INFO L418 AbstractCegarLoop]: === Iteration 8 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:44:59,164 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:44:59,164 INFO L82 PathProgramCache]: Analyzing trace with hash -746297635, now seen corresponding path program 1 times [2019-09-20 13:44:59,165 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-20 13:44:59,172 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:44:59,172 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:44:59,172 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:44:59,172 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-20 13:44:59,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:44:59,411 INFO L134 CoverageAnalysis]: Checked inductivity of 418 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 418 trivial. 0 not checked. [2019-09-20 13:44:59,411 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:44:59,411 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-20 13:44:59,412 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-20 13:44:59,413 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-20 13:44:59,413 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-20 13:44:59,414 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-20 13:44:59,414 INFO L87 Difference]: Start difference. First operand 17414 states and 23032 transitions. Second operand 3 states. [2019-09-20 13:44:59,671 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:44:59,671 INFO L93 Difference]: Finished difference Result 34566 states and 45649 transitions. [2019-09-20 13:44:59,672 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-20 13:44:59,672 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 227 [2019-09-20 13:44:59,672 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:44:59,811 INFO L225 Difference]: With dead ends: 34566 [2019-09-20 13:44:59,811 INFO L226 Difference]: Without dead ends: 34566 [2019-09-20 13:44:59,812 INFO L636 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 [2019-09-20 13:44:59,848 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34566 states. [2019-09-20 13:45:00,769 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34566 to 34562. [2019-09-20 13:45:00,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 34562 states. [2019-09-20 13:45:00,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34562 states to 34562 states and 45646 transitions. [2019-09-20 13:45:00,909 INFO L78 Accepts]: Start accepts. Automaton has 34562 states and 45646 transitions. Word has length 227 [2019-09-20 13:45:00,909 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:45:00,909 INFO L475 AbstractCegarLoop]: Abstraction has 34562 states and 45646 transitions. [2019-09-20 13:45:00,910 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-20 13:45:00,910 INFO L276 IsEmpty]: Start isEmpty. Operand 34562 states and 45646 transitions. [2019-09-20 13:45:00,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2019-09-20 13:45:00,917 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:45:00,918 INFO L407 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-20 13:45:00,918 INFO L418 AbstractCegarLoop]: === Iteration 9 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:45:00,918 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:45:00,919 INFO L82 PathProgramCache]: Analyzing trace with hash 1825448239, now seen corresponding path program 1 times [2019-09-20 13:45:00,919 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-20 13:45:00,926 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:45:00,927 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:45:00,927 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:45:00,927 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-20 13:45:01,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:45:01,197 INFO L134 CoverageAnalysis]: Checked inductivity of 418 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 418 trivial. 0 not checked. [2019-09-20 13:45:01,197 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:45:01,198 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-20 13:45:01,198 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-20 13:45:01,199 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-20 13:45:01,199 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-20 13:45:01,199 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2019-09-20 13:45:01,200 INFO L87 Difference]: Start difference. First operand 34562 states and 45646 transitions. Second operand 5 states. [2019-09-20 13:45:02,677 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:45:02,678 INFO L93 Difference]: Finished difference Result 34562 states and 45466 transitions. [2019-09-20 13:45:02,678 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-09-20 13:45:02,678 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 233 [2019-09-20 13:45:02,679 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:45:03,705 INFO L225 Difference]: With dead ends: 34562 [2019-09-20 13:45:03,705 INFO L226 Difference]: Without dead ends: 34562 [2019-09-20 13:45:03,705 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2019-09-20 13:45:03,733 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34562 states. [2019-09-20 13:45:04,423 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34562 to 34514. [2019-09-20 13:45:04,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 34514 states. [2019-09-20 13:45:04,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34514 states to 34514 states and 45418 transitions. [2019-09-20 13:45:04,579 INFO L78 Accepts]: Start accepts. Automaton has 34514 states and 45418 transitions. Word has length 233 [2019-09-20 13:45:04,580 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:45:04,580 INFO L475 AbstractCegarLoop]: Abstraction has 34514 states and 45418 transitions. [2019-09-20 13:45:04,580 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-20 13:45:04,580 INFO L276 IsEmpty]: Start isEmpty. Operand 34514 states and 45418 transitions. [2019-09-20 13:45:04,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2019-09-20 13:45:04,590 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:45:04,590 INFO L407 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-20 13:45:04,590 INFO L418 AbstractCegarLoop]: === Iteration 10 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:45:04,591 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:45:04,591 INFO L82 PathProgramCache]: Analyzing trace with hash -657198553, now seen corresponding path program 1 times [2019-09-20 13:45:04,591 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-20 13:45:04,599 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:45:04,599 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:45:04,600 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:45:04,600 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-20 13:45:04,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:45:04,981 INFO L134 CoverageAnalysis]: Checked inductivity of 418 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 418 trivial. 0 not checked. [2019-09-20 13:45:04,981 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:45:04,982 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-20 13:45:04,982 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-20 13:45:04,984 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-20 13:45:04,984 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-20 13:45:04,985 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2019-09-20 13:45:04,985 INFO L87 Difference]: Start difference. First operand 34514 states and 45418 transitions. Second operand 5 states. [2019-09-20 13:45:06,665 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:45:06,665 INFO L93 Difference]: Finished difference Result 34466 states and 45190 transitions. [2019-09-20 13:45:06,666 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-09-20 13:45:06,666 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 234 [2019-09-20 13:45:06,666 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:45:06,788 INFO L225 Difference]: With dead ends: 34466 [2019-09-20 13:45:06,788 INFO L226 Difference]: Without dead ends: 34466 [2019-09-20 13:45:06,790 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2019-09-20 13:45:06,825 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34466 states. [2019-09-20 13:45:07,632 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34466 to 34418. [2019-09-20 13:45:07,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 34418 states. [2019-09-20 13:45:07,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34418 states to 34418 states and 45142 transitions. [2019-09-20 13:45:07,754 INFO L78 Accepts]: Start accepts. Automaton has 34418 states and 45142 transitions. Word has length 234 [2019-09-20 13:45:07,756 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:45:07,756 INFO L475 AbstractCegarLoop]: Abstraction has 34418 states and 45142 transitions. [2019-09-20 13:45:07,756 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-20 13:45:07,756 INFO L276 IsEmpty]: Start isEmpty. Operand 34418 states and 45142 transitions. [2019-09-20 13:45:07,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2019-09-20 13:45:07,763 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:45:07,763 INFO L407 BasicCegarLoop]: trace histogram [10, 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] [2019-09-20 13:45:07,763 INFO L418 AbstractCegarLoop]: === Iteration 11 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:45:07,764 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:45:07,764 INFO L82 PathProgramCache]: Analyzing trace with hash -806002064, now seen corresponding path program 1 times [2019-09-20 13:45:07,764 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-20 13:45:07,771 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:45:07,771 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:45:07,771 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:45:07,771 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-20 13:45:07,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:45:08,094 INFO L134 CoverageAnalysis]: Checked inductivity of 418 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 418 trivial. 0 not checked. [2019-09-20 13:45:08,095 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:45:08,095 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-20 13:45:08,095 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-20 13:45:08,096 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-20 13:45:08,096 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-20 13:45:08,097 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-20 13:45:08,097 INFO L87 Difference]: Start difference. First operand 34418 states and 45142 transitions. Second operand 3 states.