java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -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 13:22:16,118 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 13:22:16,121 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 13:22:16,138 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 13:22:16,139 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 13:22:16,140 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 13:22:16,143 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 13:22:16,152 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 13:22:16,156 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 13:22:16,159 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 13:22:16,162 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 13:22:16,164 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 13:22:16,164 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 13:22:16,166 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 13:22:16,168 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 13:22:16,170 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 13:22:16,171 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 13:22:16,173 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 13:22:16,174 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 13:22:16,180 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 13:22:16,183 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 13:22:16,186 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 13:22:16,189 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 13:22:16,190 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 13:22:16,192 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 13:22:16,192 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 13:22:16,193 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 13:22:16,194 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 13:22:16,196 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 13:22:16,197 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 13:22:16,198 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 13:22:16,199 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 13:22:16,199 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 13:22:16,200 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 13:22:16,202 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 13:22:16,202 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 13:22:16,203 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 13:22:16,203 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 13:22:16,203 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 13:22:16,204 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 13:22:16,205 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 13:22:16,206 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-09-20 13:22:16,239 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 13:22:16,242 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 13:22:16,244 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 13:22:16,247 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 13:22:16,247 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 13:22:16,248 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 13:22:16,248 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 13:22:16,248 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 13:22:16,248 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 13:22:16,248 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 13:22:16,249 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 13:22:16,249 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 13:22:16,249 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 13:22:16,249 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 13:22:16,249 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 13:22:16,249 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 13:22:16,250 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 13:22:16,250 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 13:22:16,250 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 13:22:16,250 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 13:22:16,250 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 13:22:16,251 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 13:22:16,251 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 13:22:16,251 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 13:22:16,251 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 13:22:16,251 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 13:22:16,252 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 13:22:16,252 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 13:22:16,252 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-20 13:22:16,305 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 13:22:16,324 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 13:22:16,328 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 13:22:16,329 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 13:22:16,330 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 13:22:16,330 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--input--gameport--gameport.ko-entry_point.cil.out.i [2019-09-20 13:22:16,404 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1a80d93dd/96dcc89401d1474b97de2dab7cc44e13/FLAG4631c0c87 [2019-09-20 13:22:17,191 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 13:22:17,191 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--input--gameport--gameport.ko-entry_point.cil.out.i [2019-09-20 13:22:17,228 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1a80d93dd/96dcc89401d1474b97de2dab7cc44e13/FLAG4631c0c87 [2019-09-20 13:22:17,713 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1a80d93dd/96dcc89401d1474b97de2dab7cc44e13 [2019-09-20 13:22:17,723 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 13:22:17,725 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 13:22:17,726 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 13:22:17,726 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 13:22:17,730 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 13:22:17,731 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:22:17" (1/1) ... [2019-09-20 13:22:17,733 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@646dd367 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:22:17, skipping insertion in model container [2019-09-20 13:22:17,734 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:22:17" (1/1) ... [2019-09-20 13:22:17,740 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 13:22:17,837 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 13:22:19,551 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 13:22:19,626 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 13:22:19,850 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 13:22:20,126 INFO L192 MainTranslator]: Completed translation [2019-09-20 13:22:20,127 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:22:20 WrapperNode [2019-09-20 13:22:20,127 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 13:22:20,128 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 13:22:20,128 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 13:22:20,128 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 13:22:20,142 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:22:20" (1/1) ... [2019-09-20 13:22:20,143 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:22:20" (1/1) ... [2019-09-20 13:22:20,232 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:22:20" (1/1) ... [2019-09-20 13:22:20,233 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:22:20" (1/1) ... [2019-09-20 13:22:20,311 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:22:20" (1/1) ... [2019-09-20 13:22:20,325 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:22:20" (1/1) ... [2019-09-20 13:22:20,351 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:22:20" (1/1) ... [2019-09-20 13:22:20,389 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 13:22:20,390 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 13:22:20,390 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 13:22:20,390 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 13:22:20,393 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:22:20" (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 13:22:20,456 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 13:22:20,456 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 13:22:20,456 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2019-09-20 13:22:20,456 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2019-09-20 13:22:20,457 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2019-09-20 13:22:20,460 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~int [2019-09-20 13:22:20,461 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2019-09-20 13:22:20,462 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2019-09-20 13:22:20,462 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2019-09-20 13:22:20,462 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del_init [2019-09-20 13:22:20,463 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2019-09-20 13:22:20,463 INFO L138 BoogieDeclarations]: Found implementation of procedure paravirt_read_tsc [2019-09-20 13:22:20,463 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_save_flags [2019-09-20 13:22:20,464 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_restore [2019-09-20 13:22:20,465 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_disable [2019-09-20 13:22:20,465 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_save [2019-09-20 13:22:20,467 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_irqs_disabled_flags [2019-09-20 13:22:20,467 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_add_return [2019-09-20 13:22:20,467 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2019-09-20 13:22:20,468 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2019-09-20 13:22:20,468 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2019-09-20 13:22:20,469 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2019-09-20 13:22:20,469 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2019-09-20 13:22:20,469 INFO L138 BoogieDeclarations]: Found implementation of procedure ktime_get_ns [2019-09-20 13:22:20,470 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work [2019-09-20 13:22:20,472 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2019-09-20 13:22:20,472 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2019-09-20 13:22:20,472 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2019-09-20 13:22:20,472 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-09-20 13:22:20,472 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-09-20 13:22:20,473 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2019-09-20 13:22:20,473 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2019-09-20 13:22:20,473 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2019-09-20 13:22:20,473 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ptr [2019-09-20 13:22:20,473 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2019-09-20 13:22:20,473 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2019-09-20 13:22:20,473 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2019-09-20 13:22:20,474 INFO L138 BoogieDeclarations]: Found implementation of procedure device_is_registered [2019-09-20 13:22:20,474 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_read [2019-09-20 13:22:20,474 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_measure_speed [2019-09-20 13:22:20,474 INFO L138 BoogieDeclarations]: Found implementation of procedure old_gameport_measure_speed [2019-09-20 13:22:20,474 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_start_polling [2019-09-20 13:22:20,474 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_stop_polling [2019-09-20 13:22:20,474 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_run_poll_handler [2019-09-20 13:22:20,475 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_bind_driver [2019-09-20 13:22:20,475 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_find_driver [2019-09-20 13:22:20,475 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_get_event [2019-09-20 13:22:20,475 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_free_event [2019-09-20 13:22:20,475 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_remove_duplicate_events [2019-09-20 13:22:20,475 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_handle_events [2019-09-20 13:22:20,476 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_queue_event [2019-09-20 13:22:20,476 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_remove_pending_events [2019-09-20 13:22:20,476 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_get_pending_child [2019-09-20 13:22:20,476 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_description_show [2019-09-20 13:22:20,476 INFO L138 BoogieDeclarations]: Found implementation of procedure drvctl_store [2019-09-20 13:22:20,476 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_release_port [2019-09-20 13:22:20,476 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_set_phys [2019-09-20 13:22:20,476 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_init_port [2019-09-20 13:22:20,476 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_add_port [2019-09-20 13:22:20,477 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_destroy_port [2019-09-20 13:22:20,477 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_reconnect_port [2019-09-20 13:22:20,477 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_disconnect_port [2019-09-20 13:22:20,477 INFO L138 BoogieDeclarations]: Found implementation of procedure __gameport_register_port [2019-09-20 13:22:20,477 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_unregister_port [2019-09-20 13:22:20,477 INFO L138 BoogieDeclarations]: Found implementation of procedure description_show [2019-09-20 13:22:20,477 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_driver_probe [2019-09-20 13:22:20,477 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_driver_remove [2019-09-20 13:22:20,478 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_attach_driver [2019-09-20 13:22:20,478 INFO L138 BoogieDeclarations]: Found implementation of procedure __gameport_register_driver [2019-09-20 13:22:20,478 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_unregister_driver [2019-09-20 13:22:20,478 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_bus_match [2019-09-20 13:22:20,478 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_set_drv [2019-09-20 13:22:20,478 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_open [2019-09-20 13:22:20,478 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_close [2019-09-20 13:22:20,479 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_init [2019-09-20 13:22:20,479 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_exit [2019-09-20 13:22:20,479 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_bus_type_3 [2019-09-20 13:22:20,479 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_work_1 [2019-09-20 13:22:20,479 INFO L138 BoogieDeclarations]: Found implementation of procedure choose_timer_2 [2019-09-20 13:22:20,479 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_2 [2019-09-20 13:22:20,480 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_work_1 [2019-09-20 13:22:20,480 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_2 [2019-09-20 13:22:20,480 INFO L138 BoogieDeclarations]: Found implementation of procedure work_init_1 [2019-09-20 13:22:20,480 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_2 [2019-09-20 13:22:20,480 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_all_1 [2019-09-20 13:22:20,480 INFO L138 BoogieDeclarations]: Found implementation of procedure invoke_work_1 [2019-09-20 13:22:20,480 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_1 [2019-09-20 13:22:20,481 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 13:22:20,481 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_queue_work_on_5 [2019-09-20 13:22:20,481 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_queue_delayed_work_on_6 [2019-09-20 13:22:20,481 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_queue_work_on_7 [2019-09-20 13:22:20,481 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_flush_workqueue_8 [2019-09-20 13:22:20,481 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_queue_delayed_work_on_9 [2019-09-20 13:22:20,481 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer_10 [2019-09-20 13:22:20,482 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_11 [2019-09-20 13:22:20,482 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer_12 [2019-09-20 13:22:20,482 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put_13 [2019-09-20 13:22:20,482 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_try_module_get_14 [2019-09-20 13:22:20,482 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put_15 [2019-09-20 13:22:20,482 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___module_get_16 [2019-09-20 13:22:20,483 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync_17 [2019-09-20 13:22:20,483 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_cancel_work_sync_18 [2019-09-20 13:22:20,483 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2019-09-20 13:22:20,483 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2019-09-20 13:22:20,483 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2019-09-20 13:22:20,483 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2019-09-20 13:22:20,483 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2019-09-20 13:22:20,484 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_get [2019-09-20 13:22:20,484 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_try_module_get [2019-09-20 13:22:20,484 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put [2019-09-20 13:22:20,484 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put_and_exit [2019-09-20 13:22:20,484 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_refcount [2019-09-20 13:22:20,484 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-09-20 13:22:20,484 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2019-09-20 13:22:20,484 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_del_entry [2019-09-20 13:22:20,484 INFO L138 BoogieDeclarations]: Found implementation of procedure __msecs_to_jiffies [2019-09-20 13:22:20,484 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2019-09-20 13:22:20,485 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2019-09-20 13:22:20,485 INFO L138 BoogieDeclarations]: Found implementation of procedure __udelay [2019-09-20 13:22:20,485 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2019-09-20 13:22:20,485 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock [2019-09-20 13:22:20,485 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2019-09-20 13:22:20,485 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock [2019-09-20 13:22:20,485 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irqrestore [2019-09-20 13:22:20,486 INFO L138 BoogieDeclarations]: Found implementation of procedure bus_register [2019-09-20 13:22:20,486 INFO L138 BoogieDeclarations]: Found implementation of procedure bus_unregister [2019-09-20 13:22:20,486 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2019-09-20 13:22:20,486 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2019-09-20 13:22:20,486 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2019-09-20 13:22:20,486 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2019-09-20 13:22:20,487 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_name [2019-09-20 13:22:20,487 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_warn [2019-09-20 13:22:20,487 INFO L138 BoogieDeclarations]: Found implementation of procedure device_add [2019-09-20 13:22:20,487 INFO L138 BoogieDeclarations]: Found implementation of procedure device_attach [2019-09-20 13:22:20,487 INFO L138 BoogieDeclarations]: Found implementation of procedure device_bind_driver [2019-09-20 13:22:20,487 INFO L138 BoogieDeclarations]: Found implementation of procedure device_del [2019-09-20 13:22:20,487 INFO L138 BoogieDeclarations]: Found implementation of procedure device_initialize [2019-09-20 13:22:20,488 INFO L138 BoogieDeclarations]: Found implementation of procedure device_release_driver [2019-09-20 13:22:20,488 INFO L138 BoogieDeclarations]: Found implementation of procedure driver_attach [2019-09-20 13:22:20,488 INFO L138 BoogieDeclarations]: Found implementation of procedure driver_find [2019-09-20 13:22:20,488 INFO L138 BoogieDeclarations]: Found implementation of procedure driver_register [2019-09-20 13:22:20,488 INFO L138 BoogieDeclarations]: Found implementation of procedure driver_unregister [2019-09-20 13:22:20,488 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_workqueue [2019-09-20 13:22:20,489 INFO L138 BoogieDeclarations]: Found implementation of procedure ktime_get [2019-09-20 13:22:20,489 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_va_end [2019-09-20 13:22:20,489 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_va_start [2019-09-20 13:22:20,489 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-09-20 13:22:20,489 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2019-09-20 13:22:20,489 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_interruptible_nested [2019-09-20 13:22:20,490 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2019-09-20 13:22:20,490 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2019-09-20 13:22:20,490 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2019-09-20 13:22:20,490 INFO L138 BoogieDeclarations]: Found implementation of procedure put_device [2019-09-20 13:22:20,490 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work_on [2019-09-20 13:22:20,490 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2019-09-20 13:22:20,490 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_off [2019-09-20 13:22:20,491 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_on [2019-09-20 13:22:20,491 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-09-20 13:22:20,491 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-09-20 13:22:20,491 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-09-20 13:22:20,491 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-09-20 13:22:20,491 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 13:22:20,492 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_va_end [2019-09-20 13:22:20,492 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2019-09-20 13:22:20,492 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_va_start [2019-09-20 13:22:20,492 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2019-09-20 13:22:20,492 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2019-09-20 13:22:20,492 INFO L130 BoogieDeclarations]: Found specification of procedure vsnprintf [2019-09-20 13:22:20,492 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2019-09-20 13:22:20,492 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-20 13:22:20,493 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2019-09-20 13:22:20,493 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2019-09-20 13:22:20,493 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-20 13:22:20,493 INFO L130 BoogieDeclarations]: Found specification of procedure __list_del_entry [2019-09-20 13:22:20,493 INFO L130 BoogieDeclarations]: Found specification of procedure list_del_init [2019-09-20 13:22:20,493 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2019-09-20 13:22:20,494 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2019-09-20 13:22:20,494 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2019-09-20 13:22:20,494 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-09-20 13:22:20,494 INFO L130 BoogieDeclarations]: Found specification of procedure strncmp [2019-09-20 13:22:20,494 INFO L130 BoogieDeclarations]: Found specification of procedure paravirt_read_tsc [2019-09-20 13:22:20,494 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_save_flags [2019-09-20 13:22:20,494 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_restore [2019-09-20 13:22:20,494 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_disable [2019-09-20 13:22:20,495 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_save [2019-09-20 13:22:20,495 INFO L130 BoogieDeclarations]: Found specification of procedure arch_irqs_disabled_flags [2019-09-20 13:22:20,495 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_on [2019-09-20 13:22:20,495 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_off [2019-09-20 13:22:20,495 INFO L130 BoogieDeclarations]: Found specification of procedure __xadd_wrong_size [2019-09-20 13:22:20,495 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_add_return [2019-09-20 13:22:20,495 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2019-09-20 13:22:20,496 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock [2019-09-20 13:22:20,496 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2019-09-20 13:22:20,496 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock [2019-09-20 13:22:20,496 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore [2019-09-20 13:22:20,496 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2019-09-20 13:22:20,496 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2019-09-20 13:22:20,496 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2019-09-20 13:22:20,497 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2019-09-20 13:22:20,497 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2019-09-20 13:22:20,497 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2019-09-20 13:22:20,497 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_interruptible_nested [2019-09-20 13:22:20,497 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2019-09-20 13:22:20,497 INFO L130 BoogieDeclarations]: Found specification of procedure __msecs_to_jiffies [2019-09-20 13:22:20,497 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2019-09-20 13:22:20,498 INFO L130 BoogieDeclarations]: Found specification of procedure ktime_get [2019-09-20 13:22:20,498 INFO L130 BoogieDeclarations]: Found specification of procedure ktime_get_ns [2019-09-20 13:22:20,498 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-20 13:22:20,498 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-20 13:22:20,498 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-20 13:22:20,498 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-20 13:22:20,498 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2019-09-20 13:22:20,499 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_11 [2019-09-20 13:22:20,499 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2019-09-20 13:22:20,499 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer_10 [2019-09-20 13:22:20,499 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer_12 [2019-09-20 13:22:20,499 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2019-09-20 13:22:20,499 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync_17 [2019-09-20 13:22:20,499 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2019-09-20 13:22:20,500 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_queue_work_on_5 [2019-09-20 13:22:20,500 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_queue_work_on_7 [2019-09-20 13:22:20,500 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work_on [2019-09-20 13:22:20,500 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_queue_delayed_work_on_6 [2019-09-20 13:22:20,500 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_queue_delayed_work_on_9 [2019-09-20 13:22:20,500 INFO L130 BoogieDeclarations]: Found specification of procedure flush_workqueue [2019-09-20 13:22:20,500 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_flush_workqueue_8 [2019-09-20 13:22:20,501 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2019-09-20 13:22:20,501 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_cancel_work_sync_18 [2019-09-20 13:22:20,501 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work [2019-09-20 13:22:20,501 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2019-09-20 13:22:20,501 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___module_get_16 [2019-09-20 13:22:20,501 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_try_module_get_14 [2019-09-20 13:22:20,501 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put_13 [2019-09-20 13:22:20,502 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put_15 [2019-09-20 13:22:20,502 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_try_module_get [2019-09-20 13:22:20,502 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_get [2019-09-20 13:22:20,502 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put [2019-09-20 13:22:20,502 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-09-20 13:22:20,502 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-09-20 13:22:20,502 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2019-09-20 13:22:20,503 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2019-09-20 13:22:20,503 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-20 13:22:20,503 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-09-20 13:22:20,503 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 13:22:20,503 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-09-20 13:22:20,503 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-09-20 13:22:20,503 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-20 13:22:20,504 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-20 13:22:20,504 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-09-20 13:22:20,504 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-09-20 13:22:20,504 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2019-09-20 13:22:20,504 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2019-09-20 13:22:20,504 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-09-20 13:22:20,504 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2019-09-20 13:22:20,504 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ptr [2019-09-20 13:22:20,505 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2019-09-20 13:22:20,505 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2019-09-20 13:22:20,505 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_bus_type_3 [2019-09-20 13:22:20,505 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_work_1 [2019-09-20 13:22:20,505 INFO L130 BoogieDeclarations]: Found specification of procedure choose_timer_2 [2019-09-20 13:22:20,505 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_2 [2019-09-20 13:22:20,505 INFO L130 BoogieDeclarations]: Found specification of procedure disable_work_1 [2019-09-20 13:22:20,506 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_2 [2019-09-20 13:22:20,506 INFO L130 BoogieDeclarations]: Found specification of procedure work_init_1 [2019-09-20 13:22:20,506 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_2 [2019-09-20 13:22:20,506 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_all_1 [2019-09-20 13:22:20,506 INFO L130 BoogieDeclarations]: Found specification of procedure invoke_work_1 [2019-09-20 13:22:20,506 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_1 [2019-09-20 13:22:20,506 INFO L130 BoogieDeclarations]: Found specification of procedure bus_register [2019-09-20 13:22:20,507 INFO L130 BoogieDeclarations]: Found specification of procedure bus_unregister [2019-09-20 13:22:20,507 INFO L130 BoogieDeclarations]: Found specification of procedure driver_register [2019-09-20 13:22:20,507 INFO L130 BoogieDeclarations]: Found specification of procedure driver_unregister [2019-09-20 13:22:20,507 INFO L130 BoogieDeclarations]: Found specification of procedure driver_find [2019-09-20 13:22:20,507 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_name [2019-09-20 13:22:20,507 INFO L130 BoogieDeclarations]: Found specification of procedure device_is_registered [2019-09-20 13:22:20,508 INFO L130 BoogieDeclarations]: Found specification of procedure device_initialize [2019-09-20 13:22:20,508 INFO L130 BoogieDeclarations]: Found specification of procedure device_add [2019-09-20 13:22:20,508 INFO L130 BoogieDeclarations]: Found specification of procedure device_del [2019-09-20 13:22:20,508 INFO L130 BoogieDeclarations]: Found specification of procedure device_bind_driver [2019-09-20 13:22:20,508 INFO L130 BoogieDeclarations]: Found specification of procedure device_release_driver [2019-09-20 13:22:20,508 INFO L130 BoogieDeclarations]: Found specification of procedure device_attach [2019-09-20 13:22:20,508 INFO L130 BoogieDeclarations]: Found specification of procedure driver_attach [2019-09-20 13:22:20,509 INFO L130 BoogieDeclarations]: Found specification of procedure put_device [2019-09-20 13:22:20,509 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2019-09-20 13:22:20,509 INFO L130 BoogieDeclarations]: Found specification of procedure dev_warn [2019-09-20 13:22:20,509 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2019-09-20 13:22:20,509 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_open [2019-09-20 13:22:20,509 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_close [2019-09-20 13:22:20,509 INFO L130 BoogieDeclarations]: Found specification of procedure __gameport_register_port [2019-09-20 13:22:20,510 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_unregister_port [2019-09-20 13:22:20,510 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_set_phys [2019-09-20 13:22:20,510 INFO L130 BoogieDeclarations]: Found specification of procedure __gameport_register_driver [2019-09-20 13:22:20,510 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_unregister_driver [2019-09-20 13:22:20,510 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_read [2019-09-20 13:22:20,510 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2019-09-20 13:22:20,510 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_start_polling [2019-09-20 13:22:20,511 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_stop_polling [2019-09-20 13:22:20,511 INFO L130 BoogieDeclarations]: Found specification of procedure __udelay [2019-09-20 13:22:20,511 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_add_port [2019-09-20 13:22:20,511 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_attach_driver [2019-09-20 13:22:20,511 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_reconnect_port [2019-09-20 13:22:20,511 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_disconnect_port [2019-09-20 13:22:20,511 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_measure_speed [2019-09-20 13:22:20,512 INFO L130 BoogieDeclarations]: Found specification of procedure old_gameport_measure_speed [2019-09-20 13:22:20,512 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_run_poll_handler [2019-09-20 13:22:20,512 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2019-09-20 13:22:20,512 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_bind_driver [2019-09-20 13:22:20,512 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2019-09-20 13:22:20,512 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_find_driver [2019-09-20 13:22:20,512 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_get_event [2019-09-20 13:22:20,512 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_free_event [2019-09-20 13:22:20,513 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_remove_duplicate_events [2019-09-20 13:22:20,513 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_handle_events [2019-09-20 13:22:20,513 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_queue_event [2019-09-20 13:22:20,513 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_remove_pending_events [2019-09-20 13:22:20,513 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_get_pending_child [2019-09-20 13:22:20,513 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_description_show [2019-09-20 13:22:20,513 INFO L130 BoogieDeclarations]: Found specification of procedure drvctl_store [2019-09-20 13:22:20,514 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_release_port [2019-09-20 13:22:20,514 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_init_port [2019-09-20 13:22:20,514 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_destroy_port [2019-09-20 13:22:20,514 INFO L130 BoogieDeclarations]: Found specification of procedure description_show [2019-09-20 13:22:20,514 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_driver_probe [2019-09-20 13:22:20,514 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_driver_remove [2019-09-20 13:22:20,514 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_bus_match [2019-09-20 13:22:20,514 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_set_drv [2019-09-20 13:22:20,515 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~int [2019-09-20 13:22:20,515 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_init [2019-09-20 13:22:20,515 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_exit [2019-09-20 13:22:20,515 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-09-20 13:22:20,515 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-09-20 13:22:20,515 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2019-09-20 13:22:20,515 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 13:22:20,516 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2019-09-20 13:22:20,516 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2019-09-20 13:22:20,516 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2019-09-20 13:22:20,516 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2019-09-20 13:22:20,516 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2019-09-20 13:22:20,516 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put_and_exit [2019-09-20 13:22:20,516 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_refcount [2019-09-20 13:22:20,517 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-09-20 13:22:20,517 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-09-20 13:22:20,517 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-20 13:22:20,517 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 13:22:20,517 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-20 13:22:20,517 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-09-20 13:22:20,517 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 13:22:21,457 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2019-09-20 13:22:23,368 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_module_put_and_exitFINAL: assume true; [2019-09-20 13:22:23,947 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 13:22:23,948 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-20 13:22:23,950 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:22:23 BoogieIcfgContainer [2019-09-20 13:22:23,950 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 13:22:23,952 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-20 13:22:23,952 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-20 13:22:23,956 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-20 13:22:23,956 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.09 01:22:17" (1/3) ... [2019-09-20 13:22:23,957 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f81e1fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 01:22:23, skipping insertion in model container [2019-09-20 13:22:23,957 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:22:20" (2/3) ... [2019-09-20 13:22:23,958 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f81e1fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 01:22:23, skipping insertion in model container [2019-09-20 13:22:23,958 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:22:23" (3/3) ... [2019-09-20 13:22:23,962 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 13:22:23,973 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-20 13:22:23,987 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-20 13:22:24,005 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-20 13:22:24,049 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2019-09-20 13:22:24,050 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-20 13:22:24,050 INFO L378 AbstractCegarLoop]: Hoare is true [2019-09-20 13:22:24,050 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-20 13:22:24,050 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-20 13:22:24,050 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-20 13:22:24,050 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-20 13:22:24,051 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-20 13:22:24,051 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-20 13:22:24,103 INFO L276 IsEmpty]: Start isEmpty. Operand 1030 states. [2019-09-20 13:22:24,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2019-09-20 13:22:24,137 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:22:24,139 INFO L407 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-20 13:22:24,142 INFO L418 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:22:24,148 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:22:24,149 INFO L82 PathProgramCache]: Analyzing trace with hash 2006657662, now seen corresponding path program 1 times [2019-09-20 13:22:24,151 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:22:24,152 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:22:24,257 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:22:24,257 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:22:24,257 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:22:24,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:22:25,214 INFO L134 CoverageAnalysis]: Checked inductivity of 360 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 360 trivial. 0 not checked. [2019-09-20 13:22:25,217 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:22:25,217 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-20 13:22:25,222 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-20 13:22:25,236 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-20 13:22:25,237 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-20 13:22:25,240 INFO L87 Difference]: Start difference. First operand 1030 states. Second operand 3 states. [2019-09-20 13:22:25,624 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:22:25,624 INFO L93 Difference]: Finished difference Result 2562 states and 3407 transitions. [2019-09-20 13:22:25,627 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-20 13:22:25,628 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 155 [2019-09-20 13:22:25,630 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:22:25,672 INFO L225 Difference]: With dead ends: 2562 [2019-09-20 13:22:25,673 INFO L226 Difference]: Without dead ends: 1670 [2019-09-20 13:22:25,690 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 13:22:25,713 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1670 states. [2019-09-20 13:22:25,873 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1670 to 1637. [2019-09-20 13:22:25,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1637 states. [2019-09-20 13:22:25,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1637 states to 1637 states and 2093 transitions. [2019-09-20 13:22:25,889 INFO L78 Accepts]: Start accepts. Automaton has 1637 states and 2093 transitions. Word has length 155 [2019-09-20 13:22:25,890 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:22:25,891 INFO L475 AbstractCegarLoop]: Abstraction has 1637 states and 2093 transitions. [2019-09-20 13:22:25,891 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-20 13:22:25,891 INFO L276 IsEmpty]: Start isEmpty. Operand 1637 states and 2093 transitions. [2019-09-20 13:22:25,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2019-09-20 13:22:25,895 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:22:25,895 INFO L407 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-20 13:22:25,896 INFO L418 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:22:25,896 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:22:25,896 INFO L82 PathProgramCache]: Analyzing trace with hash -1391693534, now seen corresponding path program 1 times [2019-09-20 13:22:25,896 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:22:25,896 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:22:25,908 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:22:25,908 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:22:25,908 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:22:26,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:22:26,279 INFO L134 CoverageAnalysis]: Checked inductivity of 360 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 360 trivial. 0 not checked. [2019-09-20 13:22:26,279 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:22:26,279 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-20 13:22:26,281 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-20 13:22:26,282 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-20 13:22:26,282 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2019-09-20 13:22:26,282 INFO L87 Difference]: Start difference. First operand 1637 states and 2093 transitions. Second operand 5 states. [2019-09-20 13:22:29,595 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:22:29,595 INFO L93 Difference]: Finished difference Result 7849 states and 10376 transitions. [2019-09-20 13:22:29,596 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-09-20 13:22:29,596 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 158 [2019-09-20 13:22:29,597 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:22:29,645 INFO L225 Difference]: With dead ends: 7849 [2019-09-20 13:22:29,645 INFO L226 Difference]: Without dead ends: 6265 [2019-09-20 13:22:29,654 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 13:22:29,663 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6265 states. [2019-09-20 13:22:29,908 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6265 to 6142. [2019-09-20 13:22:29,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6142 states. [2019-09-20 13:22:29,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6142 states to 6142 states and 8194 transitions. [2019-09-20 13:22:29,958 INFO L78 Accepts]: Start accepts. Automaton has 6142 states and 8194 transitions. Word has length 158 [2019-09-20 13:22:29,959 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:22:29,959 INFO L475 AbstractCegarLoop]: Abstraction has 6142 states and 8194 transitions. [2019-09-20 13:22:29,960 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-20 13:22:29,960 INFO L276 IsEmpty]: Start isEmpty. Operand 6142 states and 8194 transitions. [2019-09-20 13:22:29,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2019-09-20 13:22:29,962 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:22:29,962 INFO L407 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-20 13:22:29,962 INFO L418 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:22:29,963 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:22:29,963 INFO L82 PathProgramCache]: Analyzing trace with hash -1897855011, now seen corresponding path program 1 times [2019-09-20 13:22:29,963 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:22:29,963 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:22:29,971 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:22:29,971 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:22:29,972 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:22:30,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:22:30,220 INFO L134 CoverageAnalysis]: Checked inductivity of 360 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 360 trivial. 0 not checked. [2019-09-20 13:22:30,220 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:22:30,220 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-20 13:22:30,221 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-20 13:22:30,221 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-20 13:22:30,222 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-20 13:22:30,222 INFO L87 Difference]: Start difference. First operand 6142 states and 8194 transitions. Second operand 3 states. [2019-09-20 13:22:30,486 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:22:30,486 INFO L93 Difference]: Finished difference Result 12222 states and 16957 transitions. [2019-09-20 13:22:30,487 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-20 13:22:30,487 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 154 [2019-09-20 13:22:30,490 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:22:30,538 INFO L225 Difference]: With dead ends: 12222 [2019-09-20 13:22:30,538 INFO L226 Difference]: Without dead ends: 6104 [2019-09-20 13:22:30,578 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 13:22:30,588 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6104 states. [2019-09-20 13:22:30,985 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6104 to 6097. [2019-09-20 13:22:30,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6097 states. [2019-09-20 13:22:31,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6097 states to 6097 states and 8121 transitions. [2019-09-20 13:22:31,021 INFO L78 Accepts]: Start accepts. Automaton has 6097 states and 8121 transitions. Word has length 154 [2019-09-20 13:22:31,022 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:22:31,022 INFO L475 AbstractCegarLoop]: Abstraction has 6097 states and 8121 transitions. [2019-09-20 13:22:31,022 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-20 13:22:31,022 INFO L276 IsEmpty]: Start isEmpty. Operand 6097 states and 8121 transitions. [2019-09-20 13:22:31,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2019-09-20 13:22:31,027 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:22:31,027 INFO L407 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-20 13:22:31,028 INFO L418 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:22:31,028 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:22:31,028 INFO L82 PathProgramCache]: Analyzing trace with hash 143930643, now seen corresponding path program 1 times [2019-09-20 13:22:31,029 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:22:31,029 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:22:31,038 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:22:31,038 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:22:31,038 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:22:31,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:22:31,335 INFO L134 CoverageAnalysis]: Checked inductivity of 360 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 360 trivial. 0 not checked. [2019-09-20 13:22:31,336 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:22:31,336 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-20 13:22:31,338 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-20 13:22:31,338 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-20 13:22:31,339 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-20 13:22:31,339 INFO L87 Difference]: Start difference. First operand 6097 states and 8121 transitions. Second operand 3 states. [2019-09-20 13:22:31,819 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:22:31,819 INFO L93 Difference]: Finished difference Result 17605 states and 23389 transitions. [2019-09-20 13:22:31,820 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-20 13:22:31,820 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 177 [2019-09-20 13:22:31,821 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:22:31,910 INFO L225 Difference]: With dead ends: 17605 [2019-09-20 13:22:31,911 INFO L226 Difference]: Without dead ends: 11561 [2019-09-20 13:22:31,945 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 13:22:31,964 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11561 states. [2019-09-20 13:22:33,401 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11561 to 11557. [2019-09-20 13:22:33,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11557 states. [2019-09-20 13:22:33,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11557 states to 11557 states and 15320 transitions. [2019-09-20 13:22:33,479 INFO L78 Accepts]: Start accepts. Automaton has 11557 states and 15320 transitions. Word has length 177 [2019-09-20 13:22:33,485 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:22:33,486 INFO L475 AbstractCegarLoop]: Abstraction has 11557 states and 15320 transitions. [2019-09-20 13:22:33,486 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-20 13:22:33,486 INFO L276 IsEmpty]: Start isEmpty. Operand 11557 states and 15320 transitions. [2019-09-20 13:22:33,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2019-09-20 13:22:33,498 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:22:33,498 INFO L407 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-20 13:22:33,499 INFO L418 AbstractCegarLoop]: === Iteration 5 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:22:33,502 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:22:33,503 INFO L82 PathProgramCache]: Analyzing trace with hash -263053551, now seen corresponding path program 1 times [2019-09-20 13:22:33,503 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:22:33,503 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:22:33,513 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:22:33,518 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:22:33,519 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:22:33,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:22:33,854 INFO L134 CoverageAnalysis]: Checked inductivity of 443 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 440 trivial. 0 not checked. [2019-09-20 13:22:33,854 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:22:33,855 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-20 13:22:33,855 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-20 13:22:33,855 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-20 13:22:33,856 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-20 13:22:33,856 INFO L87 Difference]: Start difference. First operand 11557 states and 15320 transitions. Second operand 3 states. [2019-09-20 13:22:34,804 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:22:34,804 INFO L93 Difference]: Finished difference Result 28785 states and 38184 transitions. [2019-09-20 13:22:34,805 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-20 13:22:34,805 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 195 [2019-09-20 13:22:34,806 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:22:34,923 INFO L225 Difference]: With dead ends: 28785 [2019-09-20 13:22:34,923 INFO L226 Difference]: Without dead ends: 17281 [2019-09-20 13:22:34,984 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 13:22:35,013 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17281 states. [2019-09-20 13:22:36,028 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17281 to 17277. [2019-09-20 13:22:36,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17277 states. [2019-09-20 13:22:36,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17277 states to 17277 states and 22884 transitions. [2019-09-20 13:22:36,116 INFO L78 Accepts]: Start accepts. Automaton has 17277 states and 22884 transitions. Word has length 195 [2019-09-20 13:22:36,117 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:22:36,117 INFO L475 AbstractCegarLoop]: Abstraction has 17277 states and 22884 transitions. [2019-09-20 13:22:36,117 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-20 13:22:36,117 INFO L276 IsEmpty]: Start isEmpty. Operand 17277 states and 22884 transitions. [2019-09-20 13:22:36,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2019-09-20 13:22:36,125 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:22:36,125 INFO L407 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-20 13:22:36,126 INFO L418 AbstractCegarLoop]: === Iteration 6 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:22:36,126 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:22:36,126 INFO L82 PathProgramCache]: Analyzing trace with hash 1260241050, now seen corresponding path program 1 times [2019-09-20 13:22:36,126 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:22:36,127 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:22:36,138 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:22:36,139 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:22:36,139 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:22:36,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:22:36,421 INFO L134 CoverageAnalysis]: Checked inductivity of 373 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 373 trivial. 0 not checked. [2019-09-20 13:22:36,421 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:22:36,421 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-20 13:22:36,422 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-20 13:22:36,422 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-20 13:22:36,422 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-20 13:22:36,422 INFO L87 Difference]: Start difference. First operand 17277 states and 22884 transitions. Second operand 3 states. [2019-09-20 13:22:38,312 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:22:38,313 INFO L93 Difference]: Finished difference Result 51521 states and 68220 transitions. [2019-09-20 13:22:38,313 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-20 13:22:38,314 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 205 [2019-09-20 13:22:38,314 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:22:38,483 INFO L225 Difference]: With dead ends: 51521 [2019-09-20 13:22:38,483 INFO L226 Difference]: Without dead ends: 34297 [2019-09-20 13:22:38,547 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 13:22:38,595 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34297 states. [2019-09-20 13:22:39,951 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34297 to 34293. [2019-09-20 13:22:39,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 34293 states. [2019-09-20 13:22:40,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34293 states to 34293 states and 45372 transitions. [2019-09-20 13:22:40,141 INFO L78 Accepts]: Start accepts. Automaton has 34293 states and 45372 transitions. Word has length 205 [2019-09-20 13:22:40,141 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:22:40,142 INFO L475 AbstractCegarLoop]: Abstraction has 34293 states and 45372 transitions. [2019-09-20 13:22:40,142 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-20 13:22:40,142 INFO L276 IsEmpty]: Start isEmpty. Operand 34293 states and 45372 transitions. [2019-09-20 13:22:40,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2019-09-20 13:22:40,148 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:22:40,148 INFO L407 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-20 13:22:40,148 INFO L418 AbstractCegarLoop]: === Iteration 7 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:22:40,149 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:22:40,149 INFO L82 PathProgramCache]: Analyzing trace with hash 1164888931, now seen corresponding path program 1 times [2019-09-20 13:22:40,149 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:22:40,149 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:22:40,158 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:22:40,159 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:22:40,159 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:22:40,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:22:40,908 INFO L134 CoverageAnalysis]: Checked inductivity of 373 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 373 trivial. 0 not checked. [2019-09-20 13:22:40,909 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:22:40,909 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-09-20 13:22:40,909 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-09-20 13:22:40,910 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-09-20 13:22:40,910 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-09-20 13:22:40,910 INFO L87 Difference]: Start difference. First operand 34293 states and 45372 transitions. Second operand 6 states. [2019-09-20 13:22:42,320 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:22:42,320 INFO L93 Difference]: Finished difference Result 68965 states and 93867 transitions. [2019-09-20 13:22:42,320 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-09-20 13:22:42,321 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 210 [2019-09-20 13:22:42,321 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:22:42,539 INFO L225 Difference]: With dead ends: 68965 [2019-09-20 13:22:42,540 INFO L226 Difference]: Without dead ends: 34725 [2019-09-20 13:22:42,675 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 13:22:42,724 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34725 states. [2019-09-20 13:22:45,501 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34725 to 34653. [2019-09-20 13:22:45,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 34653 states. [2019-09-20 13:22:45,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34653 states to 34653 states and 45912 transitions. [2019-09-20 13:22:45,676 INFO L78 Accepts]: Start accepts. Automaton has 34653 states and 45912 transitions. Word has length 210 [2019-09-20 13:22:45,676 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:22:45,677 INFO L475 AbstractCegarLoop]: Abstraction has 34653 states and 45912 transitions. [2019-09-20 13:22:45,677 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-09-20 13:22:45,677 INFO L276 IsEmpty]: Start isEmpty. Operand 34653 states and 45912 transitions. [2019-09-20 13:22:45,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2019-09-20 13:22:45,684 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:22:45,685 INFO L407 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-20 13:22:45,685 INFO L418 AbstractCegarLoop]: === Iteration 8 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:22:45,685 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:22:45,685 INFO L82 PathProgramCache]: Analyzing trace with hash 1444200, now seen corresponding path program 1 times [2019-09-20 13:22:45,686 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:22:45,686 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:22:45,694 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:22:45,694 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:22:45,694 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:22:45,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat