java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --abstractinterpretationv2.abstract.domain IntervalDomain --traceabstraction.trace.refinement.strategy TAIPAN --traceabstraction.abstract.interpretation.mode USE_PREDICATES -i ../../../trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--input--mousedev.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f4eb214f-m [2019-10-13 20:56:41,669 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-13 20:56:41,671 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-13 20:56:41,684 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-13 20:56:41,684 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-13 20:56:41,685 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-13 20:56:41,687 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-13 20:56:41,689 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-13 20:56:41,690 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-13 20:56:41,691 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-13 20:56:41,692 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-13 20:56:41,693 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-13 20:56:41,693 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-13 20:56:41,694 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-13 20:56:41,695 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-13 20:56:41,696 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-13 20:56:41,698 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-13 20:56:41,700 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-13 20:56:41,703 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-13 20:56:41,705 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-13 20:56:41,708 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-13 20:56:41,709 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-13 20:56:41,711 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-13 20:56:41,712 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-13 20:56:41,715 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-13 20:56:41,715 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-13 20:56:41,715 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-13 20:56:41,716 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-13 20:56:41,716 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-13 20:56:41,717 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-13 20:56:41,718 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-13 20:56:41,718 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-13 20:56:41,719 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-13 20:56:41,720 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-13 20:56:41,721 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-13 20:56:41,721 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-13 20:56:41,722 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-13 20:56:41,722 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-13 20:56:41,722 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-13 20:56:41,723 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-13 20:56:41,723 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-13 20:56:41,724 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-13 20:56:41,738 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-13 20:56:41,739 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-13 20:56:41,740 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-13 20:56:41,740 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-13 20:56:41,740 INFO L138 SettingsManager]: * Use SBE=true [2019-10-13 20:56:41,740 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-13 20:56:41,741 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-13 20:56:41,741 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-13 20:56:41,741 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-13 20:56:41,741 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-13 20:56:41,741 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-13 20:56:41,741 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-13 20:56:41,742 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-13 20:56:41,742 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-13 20:56:41,742 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-13 20:56:41,742 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-13 20:56:41,742 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-13 20:56:41,743 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-13 20:56:41,743 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-13 20:56:41,743 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-13 20:56:41,743 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-13 20:56:41,743 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 20:56:41,744 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-13 20:56:41,744 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-13 20:56:41,744 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-13 20:56:41,744 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-13 20:56:41,744 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-13 20:56:41,745 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-13 20:56:41,745 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: Abstract domain -> IntervalDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Abstract interpretation Mode -> USE_PREDICATES [2019-10-13 20:56:42,029 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-13 20:56:42,042 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-13 20:56:42,045 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-13 20:56:42,046 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-13 20:56:42,047 INFO L275 PluginConnector]: CDTParser initialized [2019-10-13 20:56:42,048 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--input--mousedev.ko-entry_point.cil.out.i [2019-10-13 20:56:42,112 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d7c2aa5fb/a000c0210de44d0aa68b656f00a4d588/FLAG52d308ead [2019-10-13 20:56:42,930 INFO L306 CDTParser]: Found 1 translation units. [2019-10-13 20:56:42,931 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--input--mousedev.ko-entry_point.cil.out.i [2019-10-13 20:56:42,979 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d7c2aa5fb/a000c0210de44d0aa68b656f00a4d588/FLAG52d308ead [2019-10-13 20:56:43,462 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d7c2aa5fb/a000c0210de44d0aa68b656f00a4d588 [2019-10-13 20:56:43,474 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-13 20:56:43,476 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-13 20:56:43,478 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-13 20:56:43,478 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-13 20:56:43,482 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-13 20:56:43,483 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 08:56:43" (1/1) ... [2019-10-13 20:56:43,485 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@d36c63f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:56:43, skipping insertion in model container [2019-10-13 20:56:43,486 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 08:56:43" (1/1) ... [2019-10-13 20:56:43,493 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-13 20:56:43,611 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-13 20:56:45,464 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 20:56:45,532 INFO L188 MainTranslator]: Completed pre-run [2019-10-13 20:56:45,897 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 20:56:46,280 INFO L192 MainTranslator]: Completed translation [2019-10-13 20:56:46,281 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:56:46 WrapperNode [2019-10-13 20:56:46,282 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-13 20:56:46,283 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-13 20:56:46,283 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-13 20:56:46,284 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-13 20:56:46,305 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:56:46" (1/1) ... [2019-10-13 20:56:46,305 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:56:46" (1/1) ... [2019-10-13 20:56:46,430 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:56:46" (1/1) ... [2019-10-13 20:56:46,431 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:56:46" (1/1) ... [2019-10-13 20:56:46,593 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:56:46" (1/1) ... [2019-10-13 20:56:46,629 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:56:46" (1/1) ... [2019-10-13 20:56:46,657 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:56:46" (1/1) ... [2019-10-13 20:56:46,686 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-13 20:56:46,687 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-13 20:56:46,687 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-13 20:56:46,687 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-13 20:56:46,689 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:56:46" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 20:56:46,777 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-13 20:56:46,777 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-13 20:56:46,777 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~VOID [2019-10-13 20:56:46,778 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2019-10-13 20:56:46,778 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2019-10-13 20:56:46,780 INFO L138 BoogieDeclarations]: Found implementation of procedure __read_once_size [2019-10-13 20:56:46,780 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2019-10-13 20:56:46,780 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2019-10-13 20:56:46,781 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2019-10-13 20:56:46,783 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2019-10-13 20:56:46,783 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2019-10-13 20:56:46,784 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del_init [2019-10-13 20:56:46,784 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-10-13 20:56:46,786 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-10-13 20:56:46,786 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2019-10-13 20:56:46,787 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2019-10-13 20:56:46,792 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2019-10-13 20:56:46,793 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ptr [2019-10-13 20:56:46,793 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2019-10-13 20:56:46,794 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2019-10-13 20:56:46,794 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2019-10-13 20:56:46,794 INFO L138 BoogieDeclarations]: Found implementation of procedure __preempt_count_add [2019-10-13 20:56:46,794 INFO L138 BoogieDeclarations]: Found implementation of procedure __preempt_count_sub [2019-10-13 20:56:46,795 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2019-10-13 20:56:46,795 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2019-10-13 20:56:46,795 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2019-10-13 20:56:46,795 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2019-10-13 20:56:46,796 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2019-10-13 20:56:46,796 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2019-10-13 20:56:46,796 INFO L138 BoogieDeclarations]: Found implementation of procedure __rcu_read_lock [2019-10-13 20:56:46,796 INFO L138 BoogieDeclarations]: Found implementation of procedure __rcu_read_unlock [2019-10-13 20:56:46,797 INFO L138 BoogieDeclarations]: Found implementation of procedure synchronize_rcu [2019-10-13 20:56:46,797 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_lock_acquire [2019-10-13 20:56:46,797 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_lock_release [2019-10-13 20:56:46,798 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock [2019-10-13 20:56:46,799 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_unlock [2019-10-13 20:56:46,799 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail_rcu [2019-10-13 20:56:46,799 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del_rcu [2019-10-13 20:56:46,800 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2019-10-13 20:56:46,800 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2019-10-13 20:56:46,800 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2019-10-13 20:56:46,801 INFO L138 BoogieDeclarations]: Found implementation of procedure imajor [2019-10-13 20:56:46,801 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2019-10-13 20:56:46,801 INFO L138 BoogieDeclarations]: Found implementation of procedure poll_wait [2019-10-13 20:56:46,801 INFO L138 BoogieDeclarations]: Found implementation of procedure kobject_name [2019-10-13 20:56:46,802 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2019-10-13 20:56:46,802 INFO L138 BoogieDeclarations]: Found implementation of procedure input_get_device [2019-10-13 20:56:46,802 INFO L138 BoogieDeclarations]: Found implementation of procedure input_put_device [2019-10-13 20:56:46,802 INFO L138 BoogieDeclarations]: Found implementation of procedure input_abs_get_min [2019-10-13 20:56:46,803 INFO L138 BoogieDeclarations]: Found implementation of procedure input_abs_get_max [2019-10-13 20:56:46,803 INFO L138 BoogieDeclarations]: Found implementation of procedure mousedev_touchpad_event [2019-10-13 20:56:46,803 INFO L138 BoogieDeclarations]: Found implementation of procedure mousedev_abs_event [2019-10-13 20:56:46,803 INFO L138 BoogieDeclarations]: Found implementation of procedure mousedev_rel_event [2019-10-13 20:56:46,804 INFO L138 BoogieDeclarations]: Found implementation of procedure mousedev_key_event [2019-10-13 20:56:46,804 INFO L138 BoogieDeclarations]: Found implementation of procedure mousedev_notify_readers [2019-10-13 20:56:46,804 INFO L138 BoogieDeclarations]: Found implementation of procedure mousedev_touchpad_touch [2019-10-13 20:56:46,804 INFO L138 BoogieDeclarations]: Found implementation of procedure mousedev_event [2019-10-13 20:56:46,805 INFO L138 BoogieDeclarations]: Found implementation of procedure mousedev_fasync [2019-10-13 20:56:46,805 INFO L138 BoogieDeclarations]: Found implementation of procedure mousedev_free [2019-10-13 20:56:46,805 INFO L138 BoogieDeclarations]: Found implementation of procedure mousedev_open_device [2019-10-13 20:56:46,805 INFO L138 BoogieDeclarations]: Found implementation of procedure mousedev_close_device [2019-10-13 20:56:46,806 INFO L138 BoogieDeclarations]: Found implementation of procedure mixdev_open_devices [2019-10-13 20:56:46,806 INFO L138 BoogieDeclarations]: Found implementation of procedure mixdev_close_devices [2019-10-13 20:56:46,807 INFO L138 BoogieDeclarations]: Found implementation of procedure mousedev_attach_client [2019-10-13 20:56:46,807 INFO L138 BoogieDeclarations]: Found implementation of procedure mousedev_detach_client [2019-10-13 20:56:46,807 INFO L138 BoogieDeclarations]: Found implementation of procedure mousedev_release [2019-10-13 20:56:46,807 INFO L138 BoogieDeclarations]: Found implementation of procedure mousedev_open [2019-10-13 20:56:46,808 INFO L138 BoogieDeclarations]: Found implementation of procedure mousedev_limit_delta [2019-10-13 20:56:46,808 INFO L138 BoogieDeclarations]: Found implementation of procedure mousedev_packet [2019-10-13 20:56:46,808 INFO L138 BoogieDeclarations]: Found implementation of procedure mousedev_generate_response [2019-10-13 20:56:46,809 INFO L138 BoogieDeclarations]: Found implementation of procedure mousedev_write [2019-10-13 20:56:46,809 INFO L138 BoogieDeclarations]: Found implementation of procedure mousedev_read [2019-10-13 20:56:46,809 INFO L138 BoogieDeclarations]: Found implementation of procedure mousedev_poll [2019-10-13 20:56:46,810 INFO L138 BoogieDeclarations]: Found implementation of procedure mousedev_mark_dead [2019-10-13 20:56:46,810 INFO L138 BoogieDeclarations]: Found implementation of procedure mousedev_hangup [2019-10-13 20:56:46,810 INFO L138 BoogieDeclarations]: Found implementation of procedure mousedev_cleanup [2019-10-13 20:56:46,810 INFO L138 BoogieDeclarations]: Found implementation of procedure mousedev_reserve_minor [2019-10-13 20:56:46,810 INFO L138 BoogieDeclarations]: Found implementation of procedure mousedev_create [2019-10-13 20:56:46,811 INFO L138 BoogieDeclarations]: Found implementation of procedure mousedev_destroy [2019-10-13 20:56:46,812 INFO L138 BoogieDeclarations]: Found implementation of procedure mixdev_add_device [2019-10-13 20:56:46,812 INFO L138 BoogieDeclarations]: Found implementation of procedure mixdev_remove_device [2019-10-13 20:56:46,812 INFO L138 BoogieDeclarations]: Found implementation of procedure mousedev_connect [2019-10-13 20:56:46,813 INFO L138 BoogieDeclarations]: Found implementation of procedure mousedev_disconnect [2019-10-13 20:56:46,813 INFO L138 BoogieDeclarations]: Found implementation of procedure mousedev_psaux_register [2019-10-13 20:56:46,814 INFO L138 BoogieDeclarations]: Found implementation of procedure mousedev_psaux_unregister [2019-10-13 20:56:46,814 INFO L138 BoogieDeclarations]: Found implementation of procedure mousedev_init [2019-10-13 20:56:46,814 INFO L138 BoogieDeclarations]: Found implementation of procedure mousedev_exit [2019-10-13 20:56:46,815 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_file_operations_2 [2019-10-13 20:56:46,816 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_input_handler_1 [2019-10-13 20:56:46,816 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-13 20:56:46,816 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2019-10-13 20:56:46,817 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2019-10-13 20:56:46,817 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2019-10-13 20:56:46,817 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_5 [2019-10-13 20:56:46,817 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_6 [2019-10-13 20:56:46,818 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_7 [2019-10-13 20:56:46,818 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_8 [2019-10-13 20:56:46,818 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_9 [2019-10-13 20:56:46,818 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_10 [2019-10-13 20:56:46,819 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_11 [2019-10-13 20:56:46,819 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_12 [2019-10-13 20:56:46,819 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_13 [2019-10-13 20:56:46,819 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_14 [2019-10-13 20:56:46,820 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_15 [2019-10-13 20:56:46,820 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_16 [2019-10-13 20:56:46,820 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_17 [2019-10-13 20:56:46,820 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_18 [2019-10-13 20:56:46,821 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_19 [2019-10-13 20:56:46,821 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_20 [2019-10-13 20:56:46,821 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_21 [2019-10-13 20:56:46,821 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_cdev_del_22 [2019-10-13 20:56:46,822 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_cdev_init_23 [2019-10-13 20:56:46,822 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_24 [2019-10-13 20:56:46,822 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_25 [2019-10-13 20:56:46,823 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_26 [2019-10-13 20:56:46,823 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_27 [2019-10-13 20:56:46,823 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_misc_register_28 [2019-10-13 20:56:46,823 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_misc_deregister_29 [2019-10-13 20:56:46,824 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2019-10-13 20:56:46,824 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int_negative [2019-10-13 20:56:46,824 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2019-10-13 20:56:46,825 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2019-10-13 20:56:46,825 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2019-10-13 20:56:46,825 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2019-10-13 20:56:46,826 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_i_mutex_of_inode [2019-10-13 20:56:46,826 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_i_mutex_of_inode [2019-10-13 20:56:46,826 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_i_mutex_of_inode [2019-10-13 20:56:46,826 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_i_mutex_of_inode [2019-10-13 20:56:46,827 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_i_mutex_of_inode [2019-10-13 20:56:46,827 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_i_mutex_of_inode [2019-10-13 20:56:46,827 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_i_mutex_of_inode [2019-10-13 20:56:46,828 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_i_mutex_of_inode [2019-10-13 20:56:46,828 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_trylock_device_i_mutex_of_inode [2019-10-13 20:56:46,828 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_for_reset_i_mutex_of_inode [2019-10-13 20:56:46,829 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_unlock_device_i_mutex_of_inode [2019-10-13 20:56:46,829 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_lock [2019-10-13 20:56:46,830 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_lock [2019-10-13 20:56:46,834 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock [2019-10-13 20:56:46,835 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_lock [2019-10-13 20:56:46,835 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_lock [2019-10-13 20:56:46,836 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_lock [2019-10-13 20:56:46,836 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock [2019-10-13 20:56:46,836 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_lock [2019-10-13 20:56:46,837 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_trylock_device_lock [2019-10-13 20:56:46,842 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_for_reset_lock [2019-10-13 20:56:46,843 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_unlock_device_lock [2019-10-13 20:56:46,843 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_mutex_of_device [2019-10-13 20:56:46,843 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_mutex_of_device [2019-10-13 20:56:46,843 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mutex_of_device [2019-10-13 20:56:46,844 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_mutex_of_device [2019-10-13 20:56:46,844 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2019-10-13 20:56:46,844 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_mutex_of_device [2019-10-13 20:56:46,844 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex_of_device [2019-10-13 20:56:46,844 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_mutex_of_device [2019-10-13 20:56:46,845 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_trylock_device_mutex_of_device [2019-10-13 20:56:46,845 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_for_reset_mutex_of_device [2019-10-13 20:56:46,845 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_unlock_device_mutex_of_device [2019-10-13 20:56:46,845 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_mutex_of_mousedev [2019-10-13 20:56:46,845 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_mutex_of_mousedev [2019-10-13 20:56:46,845 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mutex_of_mousedev [2019-10-13 20:56:46,846 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_mutex_of_mousedev [2019-10-13 20:56:46,846 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_mousedev [2019-10-13 20:56:46,846 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_mutex_of_mousedev [2019-10-13 20:56:46,846 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex_of_mousedev [2019-10-13 20:56:46,846 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_mutex_of_mousedev [2019-10-13 20:56:46,846 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_trylock_device_mutex_of_mousedev [2019-10-13 20:56:46,846 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_for_reset_mutex_of_mousedev [2019-10-13 20:56:46,847 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_unlock_device_mutex_of_mousedev [2019-10-13 20:56:46,847 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-10-13 20:56:46,847 INFO L138 BoogieDeclarations]: Found implementation of procedure __copy_to_user_overflow [2019-10-13 20:56:46,847 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2019-10-13 20:56:46,847 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2019-10-13 20:56:46,847 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add_rcu [2019-10-13 20:56:46,848 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_del_entry [2019-10-13 20:56:46,848 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_fault [2019-10-13 20:56:46,848 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_sleep [2019-10-13 20:56:46,848 INFO L138 BoogieDeclarations]: Found implementation of procedure __msecs_to_jiffies [2019-10-13 20:56:46,848 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2019-10-13 20:56:46,848 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2019-10-13 20:56:46,848 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2019-10-13 20:56:46,849 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2019-10-13 20:56:46,849 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock [2019-10-13 20:56:46,849 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irq [2019-10-13 20:56:46,849 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock [2019-10-13 20:56:46,849 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irq [2019-10-13 20:56:46,849 INFO L138 BoogieDeclarations]: Found implementation of procedure cdev_add [2019-10-13 20:56:46,850 INFO L138 BoogieDeclarations]: Found implementation of procedure cdev_del [2019-10-13 20:56:46,850 INFO L138 BoogieDeclarations]: Found implementation of procedure cdev_init [2019-10-13 20:56:46,850 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2019-10-13 20:56:46,850 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_name [2019-10-13 20:56:46,850 INFO L138 BoogieDeclarations]: Found implementation of procedure device_add [2019-10-13 20:56:46,850 INFO L138 BoogieDeclarations]: Found implementation of procedure device_del [2019-10-13 20:56:46,851 INFO L138 BoogieDeclarations]: Found implementation of procedure device_initialize [2019-10-13 20:56:46,851 INFO L138 BoogieDeclarations]: Found implementation of procedure fasync_helper [2019-10-13 20:56:46,851 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2019-10-13 20:56:46,851 INFO L138 BoogieDeclarations]: Found implementation of procedure get_device [2019-10-13 20:56:46,851 INFO L138 BoogieDeclarations]: Found implementation of procedure input_close_device [2019-10-13 20:56:46,851 INFO L138 BoogieDeclarations]: Found implementation of procedure input_free_minor [2019-10-13 20:56:46,851 INFO L138 BoogieDeclarations]: Found implementation of procedure input_get_new_minor [2019-10-13 20:56:46,852 INFO L138 BoogieDeclarations]: Found implementation of procedure input_open_device [2019-10-13 20:56:46,852 INFO L138 BoogieDeclarations]: Found implementation of procedure input_register_handle [2019-10-13 20:56:46,852 INFO L138 BoogieDeclarations]: Found implementation of procedure input_register_handler [2019-10-13 20:56:46,852 INFO L138 BoogieDeclarations]: Found implementation of procedure input_unregister_handle [2019-10-13 20:56:46,852 INFO L138 BoogieDeclarations]: Found implementation of procedure input_unregister_handler [2019-10-13 20:56:46,852 INFO L138 BoogieDeclarations]: Found implementation of procedure kill_fasync [2019-10-13 20:56:46,852 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_bind_1 [2019-10-13 20:56:46,853 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-10-13 20:56:46,853 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_1 [2019-10-13 20:56:46,853 INFO L138 BoogieDeclarations]: Found implementation of procedure lock_acquire [2019-10-13 20:56:46,853 INFO L138 BoogieDeclarations]: Found implementation of procedure lock_release [2019-10-13 20:56:46,853 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2019-10-13 20:56:46,853 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_suspicious [2019-10-13 20:56:46,854 INFO L138 BoogieDeclarations]: Found implementation of procedure misc_deregister [2019-10-13 20:56:46,854 INFO L138 BoogieDeclarations]: Found implementation of procedure misc_register [2019-10-13 20:56:46,854 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2019-10-13 20:56:46,854 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_interruptible [2019-10-13 20:56:46,854 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_trylock [2019-10-13 20:56:46,854 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2019-10-13 20:56:46,854 INFO L138 BoogieDeclarations]: Found implementation of procedure nonseekable_open [2019-10-13 20:56:46,855 INFO L138 BoogieDeclarations]: Found implementation of procedure noop_llseek [2019-10-13 20:56:46,855 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait_event [2019-10-13 20:56:46,855 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2019-10-13 20:56:46,855 INFO L138 BoogieDeclarations]: Found implementation of procedure put_device [2019-10-13 20:56:46,855 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_is_watching [2019-10-13 20:56:46,855 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2019-10-13 20:56:46,855 INFO L138 BoogieDeclarations]: Found implementation of procedure synchronize_sched [2019-10-13 20:56:46,856 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-10-13 20:56:46,856 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-10-13 20:56:46,856 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-10-13 20:56:46,856 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-10-13 20:56:46,856 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-10-13 20:56:46,856 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-13 20:56:46,857 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2019-10-13 20:56:46,857 INFO L130 BoogieDeclarations]: Found specification of procedure __read_once_size [2019-10-13 20:56:46,857 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-10-13 20:56:46,857 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-13 20:56:46,857 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-13 20:56:46,857 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2019-10-13 20:56:46,858 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2019-10-13 20:56:46,858 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2019-10-13 20:56:46,858 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2019-10-13 20:56:46,858 INFO L130 BoogieDeclarations]: Found specification of procedure __might_sleep [2019-10-13 20:56:46,858 INFO L130 BoogieDeclarations]: Found specification of procedure __might_fault [2019-10-13 20:56:46,858 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2019-10-13 20:56:46,858 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2019-10-13 20:56:46,859 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2019-10-13 20:56:46,859 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2019-10-13 20:56:46,859 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2019-10-13 20:56:46,859 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-13 20:56:46,859 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2019-10-13 20:56:46,859 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2019-10-13 20:56:46,859 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-13 20:56:46,860 INFO L130 BoogieDeclarations]: Found specification of procedure __list_del_entry [2019-10-13 20:56:46,860 INFO L130 BoogieDeclarations]: Found specification of procedure list_del_init [2019-10-13 20:56:46,860 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-10-13 20:56:46,860 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-10-13 20:56:46,860 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2019-10-13 20:56:46,860 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2019-10-13 20:56:46,861 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2019-10-13 20:56:46,861 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2019-10-13 20:56:46,861 INFO L130 BoogieDeclarations]: Found specification of procedure lock_acquire [2019-10-13 20:56:46,861 INFO L130 BoogieDeclarations]: Found specification of procedure lock_release [2019-10-13 20:56:46,861 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_suspicious [2019-10-13 20:56:46,862 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2019-10-13 20:56:46,866 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_trylock [2019-10-13 20:56:46,866 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_10 [2019-10-13 20:56:46,866 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2019-10-13 20:56:46,866 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_5 [2019-10-13 20:56:46,866 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_8 [2019-10-13 20:56:46,867 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_11 [2019-10-13 20:56:46,867 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_13 [2019-10-13 20:56:46,867 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_15 [2019-10-13 20:56:46,870 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_17 [2019-10-13 20:56:46,870 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_19 [2019-10-13 20:56:46,870 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_21 [2019-10-13 20:56:46,870 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_25 [2019-10-13 20:56:46,871 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_27 [2019-10-13 20:56:46,871 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-13 20:56:46,871 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-10-13 20:56:46,871 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-13 20:56:46,871 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-10-13 20:56:46,872 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-10-13 20:56:46,872 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-10-13 20:56:46,872 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-10-13 20:56:46,872 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-13 20:56:46,872 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-10-13 20:56:46,872 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-10-13 20:56:46,872 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2019-10-13 20:56:46,872 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2019-10-13 20:56:46,873 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-10-13 20:56:46,873 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2019-10-13 20:56:46,873 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ptr [2019-10-13 20:56:46,873 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2019-10-13 20:56:46,873 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2019-10-13 20:56:46,873 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_interruptible [2019-10-13 20:56:46,873 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_12 [2019-10-13 20:56:46,874 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_16 [2019-10-13 20:56:46,874 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_24 [2019-10-13 20:56:46,874 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2019-10-13 20:56:46,874 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_6 [2019-10-13 20:56:46,874 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_7 [2019-10-13 20:56:46,874 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_9 [2019-10-13 20:56:46,874 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_14 [2019-10-13 20:56:46,875 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_18 [2019-10-13 20:56:46,875 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_20 [2019-10-13 20:56:46,875 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_26 [2019-10-13 20:56:46,875 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_i_mutex_of_inode [2019-10-13 20:56:46,875 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_i_mutex_of_inode [2019-10-13 20:56:46,875 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock [2019-10-13 20:56:46,908 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock [2019-10-13 20:56:46,909 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mutex_of_device [2019-10-13 20:56:46,909 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_mutex_of_device [2019-10-13 20:56:46,909 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex_of_device [2019-10-13 20:56:46,909 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_mutex_of_mousedev [2019-10-13 20:56:46,909 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mutex_of_mousedev [2019-10-13 20:56:46,909 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex_of_mousedev [2019-10-13 20:56:46,909 INFO L130 BoogieDeclarations]: Found specification of procedure __preempt_count_add [2019-10-13 20:56:46,909 INFO L130 BoogieDeclarations]: Found specification of procedure __preempt_count_sub [2019-10-13 20:56:46,910 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2019-10-13 20:56:46,910 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock [2019-10-13 20:56:46,910 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irq [2019-10-13 20:56:46,910 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock [2019-10-13 20:56:46,910 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irq [2019-10-13 20:56:46,910 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2019-10-13 20:56:46,910 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2019-10-13 20:56:46,910 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2019-10-13 20:56:46,910 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2019-10-13 20:56:46,911 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2019-10-13 20:56:46,911 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2019-10-13 20:56:46,911 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2019-10-13 20:56:46,911 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait_event [2019-10-13 20:56:46,911 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2019-10-13 20:56:46,911 INFO L130 BoogieDeclarations]: Found specification of procedure __msecs_to_jiffies [2019-10-13 20:56:46,912 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2019-10-13 20:56:46,912 INFO L130 BoogieDeclarations]: Found specification of procedure synchronize_sched [2019-10-13 20:56:46,912 INFO L130 BoogieDeclarations]: Found specification of procedure __rcu_read_lock [2019-10-13 20:56:46,912 INFO L130 BoogieDeclarations]: Found specification of procedure __rcu_read_unlock [2019-10-13 20:56:46,912 INFO L130 BoogieDeclarations]: Found specification of procedure synchronize_rcu [2019-10-13 20:56:46,912 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_is_watching [2019-10-13 20:56:46,912 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_lock_acquire [2019-10-13 20:56:46,912 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_lock_release [2019-10-13 20:56:46,912 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2019-10-13 20:56:46,913 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock [2019-10-13 20:56:46,913 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-13 20:56:46,913 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_unlock [2019-10-13 20:56:46,913 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add_rcu [2019-10-13 20:56:46,913 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail_rcu [2019-10-13 20:56:46,913 INFO L130 BoogieDeclarations]: Found specification of procedure list_del_rcu [2019-10-13 20:56:46,913 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2019-10-13 20:56:46,913 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-10-13 20:56:46,914 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2019-10-13 20:56:46,914 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2019-10-13 20:56:46,914 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2019-10-13 20:56:46,914 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_file_operations_2 [2019-10-13 20:56:46,914 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_input_handler_1 [2019-10-13 20:56:46,914 INFO L130 BoogieDeclarations]: Found specification of procedure imajor [2019-10-13 20:56:46,914 INFO L130 BoogieDeclarations]: Found specification of procedure fasync_helper [2019-10-13 20:56:46,914 INFO L130 BoogieDeclarations]: Found specification of procedure kill_fasync [2019-10-13 20:56:46,914 INFO L130 BoogieDeclarations]: Found specification of procedure noop_llseek [2019-10-13 20:56:46,915 INFO L130 BoogieDeclarations]: Found specification of procedure nonseekable_open [2019-10-13 20:56:46,915 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2019-10-13 20:56:46,915 INFO L130 BoogieDeclarations]: Found specification of procedure __copy_to_user_overflow [2019-10-13 20:56:46,915 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2019-10-13 20:56:46,915 INFO L130 BoogieDeclarations]: Found specification of procedure poll_wait [2019-10-13 20:56:46,915 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~VOID [2019-10-13 20:56:46,915 INFO L130 BoogieDeclarations]: Found specification of procedure kobject_name [2019-10-13 20:56:46,915 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2019-10-13 20:56:46,915 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_name [2019-10-13 20:56:46,916 INFO L130 BoogieDeclarations]: Found specification of procedure device_initialize [2019-10-13 20:56:46,916 INFO L130 BoogieDeclarations]: Found specification of procedure device_add [2019-10-13 20:56:46,916 INFO L130 BoogieDeclarations]: Found specification of procedure device_del [2019-10-13 20:56:46,916 INFO L130 BoogieDeclarations]: Found specification of procedure get_device [2019-10-13 20:56:46,916 INFO L130 BoogieDeclarations]: Found specification of procedure put_device [2019-10-13 20:56:46,916 INFO L130 BoogieDeclarations]: Found specification of procedure input_get_device [2019-10-13 20:56:46,916 INFO L130 BoogieDeclarations]: Found specification of procedure input_put_device [2019-10-13 20:56:46,916 INFO L130 BoogieDeclarations]: Found specification of procedure input_register_handler [2019-10-13 20:56:46,917 INFO L130 BoogieDeclarations]: Found specification of procedure input_unregister_handler [2019-10-13 20:56:46,917 INFO L130 BoogieDeclarations]: Found specification of procedure input_get_new_minor [2019-10-13 20:56:46,917 INFO L130 BoogieDeclarations]: Found specification of procedure input_free_minor [2019-10-13 20:56:46,917 INFO L130 BoogieDeclarations]: Found specification of procedure input_register_handle [2019-10-13 20:56:46,917 INFO L130 BoogieDeclarations]: Found specification of procedure input_unregister_handle [2019-10-13 20:56:46,917 INFO L130 BoogieDeclarations]: Found specification of procedure input_open_device [2019-10-13 20:56:46,917 INFO L130 BoogieDeclarations]: Found specification of procedure input_close_device [2019-10-13 20:56:46,917 INFO L130 BoogieDeclarations]: Found specification of procedure input_abs_get_min [2019-10-13 20:56:46,917 INFO L130 BoogieDeclarations]: Found specification of procedure input_abs_get_max [2019-10-13 20:56:46,918 INFO L130 BoogieDeclarations]: Found specification of procedure cdev_init [2019-10-13 20:56:46,918 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_cdev_init_23 [2019-10-13 20:56:46,918 INFO L130 BoogieDeclarations]: Found specification of procedure cdev_add [2019-10-13 20:56:46,918 INFO L130 BoogieDeclarations]: Found specification of procedure cdev_del [2019-10-13 20:56:46,918 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_cdev_del_22 [2019-10-13 20:56:46,918 INFO L130 BoogieDeclarations]: Found specification of procedure mousedev_touchpad_event [2019-10-13 20:56:46,918 INFO L130 BoogieDeclarations]: Found specification of procedure mousedev_abs_event [2019-10-13 20:56:46,919 INFO L130 BoogieDeclarations]: Found specification of procedure mousedev_rel_event [2019-10-13 20:56:46,919 INFO L130 BoogieDeclarations]: Found specification of procedure mousedev_key_event [2019-10-13 20:56:46,919 INFO L130 BoogieDeclarations]: Found specification of procedure mousedev_notify_readers [2019-10-13 20:56:46,920 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-13 20:56:46,920 INFO L130 BoogieDeclarations]: Found specification of procedure mousedev_touchpad_touch [2019-10-13 20:56:46,920 INFO L130 BoogieDeclarations]: Found specification of procedure mousedev_event [2019-10-13 20:56:46,920 INFO L130 BoogieDeclarations]: Found specification of procedure mousedev_fasync [2019-10-13 20:56:46,921 INFO L130 BoogieDeclarations]: Found specification of procedure mousedev_free [2019-10-13 20:56:46,921 INFO L130 BoogieDeclarations]: Found specification of procedure mousedev_open_device [2019-10-13 20:56:46,921 INFO L130 BoogieDeclarations]: Found specification of procedure mousedev_close_device [2019-10-13 20:56:46,921 INFO L130 BoogieDeclarations]: Found specification of procedure mixdev_open_devices [2019-10-13 20:56:46,921 INFO L130 BoogieDeclarations]: Found specification of procedure mixdev_close_devices [2019-10-13 20:56:46,922 INFO L130 BoogieDeclarations]: Found specification of procedure mousedev_attach_client [2019-10-13 20:56:46,922 INFO L130 BoogieDeclarations]: Found specification of procedure mousedev_detach_client [2019-10-13 20:56:46,923 INFO L130 BoogieDeclarations]: Found specification of procedure mousedev_release [2019-10-13 20:56:46,923 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2019-10-13 20:56:46,923 INFO L130 BoogieDeclarations]: Found specification of procedure mousedev_open [2019-10-13 20:56:46,923 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2019-10-13 20:56:46,923 INFO L130 BoogieDeclarations]: Found specification of procedure mousedev_limit_delta [2019-10-13 20:56:46,923 INFO L130 BoogieDeclarations]: Found specification of procedure mousedev_packet [2019-10-13 20:56:46,923 INFO L130 BoogieDeclarations]: Found specification of procedure mousedev_generate_response [2019-10-13 20:56:46,923 INFO L130 BoogieDeclarations]: Found specification of procedure mousedev_write [2019-10-13 20:56:46,924 INFO L130 BoogieDeclarations]: Found specification of procedure mousedev_read [2019-10-13 20:56:46,924 INFO L130 BoogieDeclarations]: Found specification of procedure mousedev_poll [2019-10-13 20:56:46,924 INFO L130 BoogieDeclarations]: Found specification of procedure mousedev_mark_dead [2019-10-13 20:56:46,924 INFO L130 BoogieDeclarations]: Found specification of procedure mousedev_hangup [2019-10-13 20:56:46,924 INFO L130 BoogieDeclarations]: Found specification of procedure mousedev_cleanup [2019-10-13 20:56:46,924 INFO L130 BoogieDeclarations]: Found specification of procedure mousedev_reserve_minor [2019-10-13 20:56:46,924 INFO L130 BoogieDeclarations]: Found specification of procedure mousedev_create [2019-10-13 20:56:46,924 INFO L130 BoogieDeclarations]: Found specification of procedure mousedev_destroy [2019-10-13 20:56:46,924 INFO L130 BoogieDeclarations]: Found specification of procedure mixdev_add_device [2019-10-13 20:56:46,925 INFO L130 BoogieDeclarations]: Found specification of procedure mixdev_remove_device [2019-10-13 20:56:46,925 INFO L130 BoogieDeclarations]: Found specification of procedure mousedev_connect [2019-10-13 20:56:46,925 INFO L130 BoogieDeclarations]: Found specification of procedure mousedev_disconnect [2019-10-13 20:56:46,925 INFO L130 BoogieDeclarations]: Found specification of procedure misc_register [2019-10-13 20:56:46,925 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_misc_register_28 [2019-10-13 20:56:46,925 INFO L130 BoogieDeclarations]: Found specification of procedure misc_deregister [2019-10-13 20:56:46,925 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_misc_deregister_29 [2019-10-13 20:56:46,925 INFO L130 BoogieDeclarations]: Found specification of procedure mousedev_psaux_register [2019-10-13 20:56:46,926 INFO L130 BoogieDeclarations]: Found specification of procedure mousedev_psaux_unregister [2019-10-13 20:56:46,926 INFO L130 BoogieDeclarations]: Found specification of procedure mousedev_init [2019-10-13 20:56:46,926 INFO L130 BoogieDeclarations]: Found specification of procedure mousedev_exit [2019-10-13 20:56:46,926 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-10-13 20:56:46,926 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-10-13 20:56:46,926 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_1 [2019-10-13 20:56:46,926 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_bind_1 [2019-10-13 20:56:46,926 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-13 20:56:46,926 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2019-10-13 20:56:46,927 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int_negative [2019-10-13 20:56:46,927 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2019-10-13 20:56:46,927 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_i_mutex_of_inode [2019-10-13 20:56:46,927 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_i_mutex_of_inode [2019-10-13 20:56:46,927 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_i_mutex_of_inode [2019-10-13 20:56:46,927 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_i_mutex_of_inode [2019-10-13 20:56:46,927 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_i_mutex_of_inode [2019-10-13 20:56:46,927 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_i_mutex_of_inode [2019-10-13 20:56:46,928 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_trylock_device_i_mutex_of_inode [2019-10-13 20:56:46,928 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_for_reset_i_mutex_of_inode [2019-10-13 20:56:46,928 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_unlock_device_i_mutex_of_inode [2019-10-13 20:56:46,928 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_lock [2019-10-13 20:56:46,928 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_lock [2019-10-13 20:56:46,928 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_lock [2019-10-13 20:56:46,928 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_lock [2019-10-13 20:56:46,928 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_lock [2019-10-13 20:56:46,929 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_lock [2019-10-13 20:56:46,929 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_trylock_device_lock [2019-10-13 20:56:46,929 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_for_reset_lock [2019-10-13 20:56:46,929 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_unlock_device_lock [2019-10-13 20:56:46,929 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_mutex_of_device [2019-10-13 20:56:46,929 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_mutex_of_device [2019-10-13 20:56:46,929 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2019-10-13 20:56:46,929 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_mutex_of_device [2019-10-13 20:56:46,929 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_mutex_of_device [2019-10-13 20:56:46,930 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_trylock_device_mutex_of_device [2019-10-13 20:56:46,930 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_for_reset_mutex_of_device [2019-10-13 20:56:46,930 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_unlock_device_mutex_of_device [2019-10-13 20:56:46,930 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_mutex_of_mousedev [2019-10-13 20:56:46,930 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_mutex_of_mousedev [2019-10-13 20:56:46,930 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_mousedev [2019-10-13 20:56:46,930 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_mutex_of_mousedev [2019-10-13 20:56:46,930 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_mutex_of_mousedev [2019-10-13 20:56:46,930 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_trylock_device_mutex_of_mousedev [2019-10-13 20:56:46,931 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_for_reset_mutex_of_mousedev [2019-10-13 20:56:46,931 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_unlock_device_mutex_of_mousedev [2019-10-13 20:56:46,931 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-10-13 20:56:46,931 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2019-10-13 20:56:46,931 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-10-13 20:56:46,931 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-13 20:56:46,931 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-13 20:56:46,931 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-13 20:56:46,931 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-10-13 20:56:46,932 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-13 20:56:46,932 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-10-13 20:56:46,932 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-10-13 20:56:46,932 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2019-10-13 20:56:46,932 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2019-10-13 20:56:47,682 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2019-10-13 20:56:52,827 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-13 20:56:52,828 INFO L284 CfgBuilder]: Removed 0 assume(true) statements. [2019-10-13 20:56:52,830 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 08:56:52 BoogieIcfgContainer [2019-10-13 20:56:52,830 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-13 20:56:52,832 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-13 20:56:52,832 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-13 20:56:52,835 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-13 20:56:52,836 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 08:56:43" (1/3) ... [2019-10-13 20:56:52,836 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e578c9e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 08:56:52, skipping insertion in model container [2019-10-13 20:56:52,837 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:56:46" (2/3) ... [2019-10-13 20:56:52,837 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e578c9e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 08:56:52, skipping insertion in model container [2019-10-13 20:56:52,837 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 08:56:52" (3/3) ... [2019-10-13 20:56:52,841 INFO L109 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-32_7a-drivers--input--mousedev.ko-entry_point.cil.out.i [2019-10-13 20:56:52,854 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-13 20:56:52,867 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-13 20:56:52,879 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-13 20:56:52,918 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-13 20:56:52,918 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-13 20:56:52,918 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-13 20:56:52,918 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-13 20:56:52,918 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-13 20:56:52,919 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-13 20:56:52,919 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-13 20:56:52,919 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-13 20:56:52,983 INFO L276 IsEmpty]: Start isEmpty. Operand 1554 states. [2019-10-13 20:56:53,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2019-10-13 20:56:53,015 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 20:56:53,017 INFO L380 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 20:56:53,022 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 20:56:53,027 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 20:56:53,028 INFO L82 PathProgramCache]: Analyzing trace with hash -1179486101, now seen corresponding path program 1 times [2019-10-13 20:56:53,038 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 20:56:53,039 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [337629723] [2019-10-13 20:56:53,039 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:56:53,039 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:56:53,039 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 20:56:53,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 20:56:53,926 INFO L134 CoverageAnalysis]: Checked inductivity of 548 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 548 trivial. 0 not checked. [2019-10-13 20:56:53,928 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [337629723] [2019-10-13 20:56:53,929 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 20:56:53,929 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 20:56:53,933 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1906530302] [2019-10-13 20:56:53,939 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 20:56:53,942 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 20:56:53,956 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 20:56:53,957 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 20:56:53,959 INFO L87 Difference]: Start difference. First operand 1554 states. Second operand 3 states. [2019-10-13 20:56:54,344 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 20:56:54,345 INFO L93 Difference]: Finished difference Result 3508 states and 4577 transitions. [2019-10-13 20:56:54,346 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 20:56:54,347 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 206 [2019-10-13 20:56:54,349 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 20:56:54,494 INFO L225 Difference]: With dead ends: 3508 [2019-10-13 20:56:54,494 INFO L226 Difference]: Without dead ends: 2194 [2019-10-13 20:56:54,505 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 20:56:54,530 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2194 states. [2019-10-13 20:56:54,752 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2194 to 2179. [2019-10-13 20:56:54,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2179 states. [2019-10-13 20:56:54,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2179 states to 2179 states and 2746 transitions. [2019-10-13 20:56:54,770 INFO L78 Accepts]: Start accepts. Automaton has 2179 states and 2746 transitions. Word has length 206 [2019-10-13 20:56:54,771 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 20:56:54,772 INFO L462 AbstractCegarLoop]: Abstraction has 2179 states and 2746 transitions. [2019-10-13 20:56:54,772 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 20:56:54,772 INFO L276 IsEmpty]: Start isEmpty. Operand 2179 states and 2746 transitions. [2019-10-13 20:56:54,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2019-10-13 20:56:54,777 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 20:56:54,777 INFO L380 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 20:56:54,778 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 20:56:54,778 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 20:56:54,778 INFO L82 PathProgramCache]: Analyzing trace with hash 253085707, now seen corresponding path program 1 times [2019-10-13 20:56:54,779 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 20:56:54,779 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1816066681] [2019-10-13 20:56:54,779 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:56:54,779 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:56:54,779 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 20:56:54,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 20:56:55,036 INFO L134 CoverageAnalysis]: Checked inductivity of 548 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 548 trivial. 0 not checked. [2019-10-13 20:56:55,037 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1816066681] [2019-10-13 20:56:55,037 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 20:56:55,037 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 20:56:55,037 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1095400552] [2019-10-13 20:56:55,040 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 20:56:55,040 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 20:56:55,041 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 20:56:55,041 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 20:56:55,041 INFO L87 Difference]: Start difference. First operand 2179 states and 2746 transitions. Second operand 3 states. [2019-10-13 20:56:57,283 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 20:56:57,283 INFO L93 Difference]: Finished difference Result 6146 states and 7762 transitions. [2019-10-13 20:56:57,283 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 20:56:57,284 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 220 [2019-10-13 20:56:57,285 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 20:56:57,310 INFO L225 Difference]: With dead ends: 6146 [2019-10-13 20:56:57,310 INFO L226 Difference]: Without dead ends: 4019 [2019-10-13 20:56:57,319 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 20:56:57,326 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4019 states. [2019-10-13 20:56:57,462 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4019 to 4014. [2019-10-13 20:56:57,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4014 states. [2019-10-13 20:56:57,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4014 states to 4014 states and 5075 transitions. [2019-10-13 20:56:57,607 INFO L78 Accepts]: Start accepts. Automaton has 4014 states and 5075 transitions. Word has length 220 [2019-10-13 20:56:57,608 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 20:56:57,608 INFO L462 AbstractCegarLoop]: Abstraction has 4014 states and 5075 transitions. [2019-10-13 20:56:57,608 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 20:56:57,609 INFO L276 IsEmpty]: Start isEmpty. Operand 4014 states and 5075 transitions. [2019-10-13 20:56:57,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 253 [2019-10-13 20:56:57,613 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 20:56:57,614 INFO L380 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 20:56:57,614 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 20:56:57,614 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 20:56:57,615 INFO L82 PathProgramCache]: Analyzing trace with hash -662833919, now seen corresponding path program 1 times [2019-10-13 20:56:57,615 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 20:56:57,615 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [852803252] [2019-10-13 20:56:57,615 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:56:57,615 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:56:57,616 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 20:56:57,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 20:56:57,895 INFO L134 CoverageAnalysis]: Checked inductivity of 548 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 548 trivial. 0 not checked. [2019-10-13 20:56:57,896 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [852803252] [2019-10-13 20:56:57,896 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 20:56:57,896 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 20:56:57,896 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [905405898] [2019-10-13 20:56:57,897 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 20:56:57,897 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 20:56:57,897 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 20:56:57,898 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 20:56:57,898 INFO L87 Difference]: Start difference. First operand 4014 states and 5075 transitions. Second operand 3 states. [2019-10-13 20:56:58,171 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 20:56:58,172 INFO L93 Difference]: Finished difference Result 9985 states and 12611 transitions. [2019-10-13 20:56:58,172 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 20:56:58,172 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 252 [2019-10-13 20:56:58,173 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 20:56:58,222 INFO L225 Difference]: With dead ends: 9985 [2019-10-13 20:56:58,222 INFO L226 Difference]: Without dead ends: 6031 [2019-10-13 20:56:58,241 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 20:56:58,253 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6031 states. [2019-10-13 20:56:58,587 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6031 to 5912. [2019-10-13 20:56:58,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5912 states. [2019-10-13 20:56:58,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5912 states to 5912 states and 7474 transitions. [2019-10-13 20:56:58,612 INFO L78 Accepts]: Start accepts. Automaton has 5912 states and 7474 transitions. Word has length 252 [2019-10-13 20:56:58,614 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 20:56:58,614 INFO L462 AbstractCegarLoop]: Abstraction has 5912 states and 7474 transitions. [2019-10-13 20:56:58,614 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 20:56:58,614 INFO L276 IsEmpty]: Start isEmpty. Operand 5912 states and 7474 transitions. [2019-10-13 20:56:58,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 257 [2019-10-13 20:56:58,618 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 20:56:58,619 INFO L380 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 20:56:58,619 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 20:56:58,619 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 20:56:58,619 INFO L82 PathProgramCache]: Analyzing trace with hash 564865209, now seen corresponding path program 1 times [2019-10-13 20:56:58,620 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 20:56:58,620 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2013484959] [2019-10-13 20:56:58,620 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:56:58,620 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:56:58,620 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 20:56:58,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 20:56:58,914 INFO L134 CoverageAnalysis]: Checked inductivity of 548 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 548 trivial. 0 not checked. [2019-10-13 20:56:58,915 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2013484959] [2019-10-13 20:56:58,915 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 20:56:58,915 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 20:56:58,915 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1701620262] [2019-10-13 20:56:58,916 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 20:56:58,916 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 20:56:58,916 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 20:56:58,917 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 20:56:58,917 INFO L87 Difference]: Start difference. First operand 5912 states and 7474 transitions. Second operand 3 states. [2019-10-13 20:56:59,060 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 20:56:59,061 INFO L93 Difference]: Finished difference Result 5914 states and 7475 transitions. [2019-10-13 20:56:59,061 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 20:56:59,062 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 256 [2019-10-13 20:56:59,063 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 20:56:59,101 INFO L225 Difference]: With dead ends: 5914 [2019-10-13 20:56:59,102 INFO L226 Difference]: Without dead ends: 5911 [2019-10-13 20:56:59,107 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 20:56:59,116 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5911 states. [2019-10-13 20:57:00,056 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5911 to 5911. [2019-10-13 20:57:00,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5911 states. [2019-10-13 20:57:00,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5911 states to 5911 states and 7472 transitions. [2019-10-13 20:57:00,079 INFO L78 Accepts]: Start accepts. Automaton has 5911 states and 7472 transitions. Word has length 256 [2019-10-13 20:57:00,080 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 20:57:00,080 INFO L462 AbstractCegarLoop]: Abstraction has 5911 states and 7472 transitions. [2019-10-13 20:57:00,080 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 20:57:00,080 INFO L276 IsEmpty]: Start isEmpty. Operand 5911 states and 7472 transitions. [2019-10-13 20:57:00,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 261 [2019-10-13 20:57:00,083 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 20:57:00,084 INFO L380 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 20:57:00,084 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 20:57:00,084 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 20:57:00,085 INFO L82 PathProgramCache]: Analyzing trace with hash -713264524, now seen corresponding path program 1 times [2019-10-13 20:57:00,085 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 20:57:00,085 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1470822776] [2019-10-13 20:57:00,085 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:57:00,085 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:57:00,085 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 20:57:00,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 20:57:00,385 INFO L134 CoverageAnalysis]: Checked inductivity of 548 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 548 trivial. 0 not checked. [2019-10-13 20:57:00,386 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1470822776] [2019-10-13 20:57:00,386 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 20:57:00,386 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-13 20:57:00,386 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [125350294] [2019-10-13 20:57:00,388 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-13 20:57:00,388 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 20:57:00,388 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-13 20:57:00,389 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-13 20:57:00,389 INFO L87 Difference]: Start difference. First operand 5911 states and 7472 transitions. Second operand 4 states. [2019-10-13 20:57:06,953 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 20:57:06,954 INFO L93 Difference]: Finished difference Result 17601 states and 22936 transitions. [2019-10-13 20:57:06,954 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-13 20:57:06,954 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 260 [2019-10-13 20:57:06,955 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 20:57:07,026 INFO L225 Difference]: With dead ends: 17601 [2019-10-13 20:57:07,026 INFO L226 Difference]: Without dead ends: 11749 [2019-10-13 20:57:07,050 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-10-13 20:57:07,066 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11749 states. [2019-10-13 20:57:07,595 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11749 to 11095. [2019-10-13 20:57:07,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11095 states. [2019-10-13 20:57:07,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11095 states to 11095 states and 14284 transitions. [2019-10-13 20:57:07,632 INFO L78 Accepts]: Start accepts. Automaton has 11095 states and 14284 transitions. Word has length 260 [2019-10-13 20:57:07,633 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 20:57:07,633 INFO L462 AbstractCegarLoop]: Abstraction has 11095 states and 14284 transitions. [2019-10-13 20:57:07,633 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-13 20:57:07,633 INFO L276 IsEmpty]: Start isEmpty. Operand 11095 states and 14284 transitions. [2019-10-13 20:57:07,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 258 [2019-10-13 20:57:07,637 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 20:57:07,637 INFO L380 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 20:57:07,638 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 20:57:07,638 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 20:57:07,638 INFO L82 PathProgramCache]: Analyzing trace with hash 330368706, now seen corresponding path program 1 times [2019-10-13 20:57:07,638 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 20:57:07,638 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [557287928] [2019-10-13 20:57:07,639 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:57:07,639 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:57:07,639 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 20:57:07,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 20:57:07,914 INFO L134 CoverageAnalysis]: Checked inductivity of 548 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 548 trivial. 0 not checked. [2019-10-13 20:57:07,914 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [557287928] [2019-10-13 20:57:07,915 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 20:57:07,915 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 20:57:07,915 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [167607929] [2019-10-13 20:57:07,916 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 20:57:07,916 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 20:57:07,916 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 20:57:07,917 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 20:57:07,917 INFO L87 Difference]: Start difference. First operand 11095 states and 14284 transitions. Second operand 3 states. [2019-10-13 20:57:08,167 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 20:57:08,167 INFO L93 Difference]: Finished difference Result 11097 states and 14285 transitions. [2019-10-13 20:57:08,168 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 20:57:08,168 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 257 [2019-10-13 20:57:08,169 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 20:57:08,221 INFO L225 Difference]: With dead ends: 11097 [2019-10-13 20:57:08,221 INFO L226 Difference]: Without dead ends: 11094 [2019-10-13 20:57:08,229 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 20:57:08,244 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11094 states. [2019-10-13 20:57:08,641 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11094 to 11094. [2019-10-13 20:57:08,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11094 states. [2019-10-13 20:57:08,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11094 states to 11094 states and 14281 transitions. [2019-10-13 20:57:08,691 INFO L78 Accepts]: Start accepts. Automaton has 11094 states and 14281 transitions. Word has length 257 [2019-10-13 20:57:08,692 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 20:57:08,692 INFO L462 AbstractCegarLoop]: Abstraction has 11094 states and 14281 transitions. [2019-10-13 20:57:08,692 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 20:57:08,692 INFO L276 IsEmpty]: Start isEmpty. Operand 11094 states and 14281 transitions. [2019-10-13 20:57:08,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 259 [2019-10-13 20:57:08,697 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 20:57:08,697 INFO L380 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 20:57:08,698 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 20:57:08,698 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 20:57:08,699 INFO L82 PathProgramCache]: Analyzing trace with hash 1650916572, now seen corresponding path program 1 times [2019-10-13 20:57:08,699 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 20:57:08,699 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [172069414] [2019-10-13 20:57:08,700 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:57:08,700 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:57:08,700 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 20:57:08,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 20:57:09,195 INFO L134 CoverageAnalysis]: Checked inductivity of 548 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 548 trivial. 0 not checked. [2019-10-13 20:57:09,196 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [172069414] [2019-10-13 20:57:09,196 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 20:57:09,196 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 20:57:09,197 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [159415776] [2019-10-13 20:57:09,197 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 20:57:09,198 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 20:57:09,198 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 20:57:09,199 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 20:57:09,199 INFO L87 Difference]: Start difference. First operand 11094 states and 14281 transitions. Second operand 3 states. [2019-10-13 20:57:09,423 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 20:57:09,423 INFO L93 Difference]: Finished difference Result 11096 states and 14282 transitions. [2019-10-13 20:57:09,424 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 20:57:09,424 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 258 [2019-10-13 20:57:09,425 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 20:57:09,465 INFO L225 Difference]: With dead ends: 11096 [2019-10-13 20:57:09,466 INFO L226 Difference]: Without dead ends: 11022 [2019-10-13 20:57:09,477 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 20:57:09,496 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11022 states. [2019-10-13 20:57:09,916 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11022 to 11020. [2019-10-13 20:57:09,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11020 states. [2019-10-13 20:57:09,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11020 states to 11020 states and 14174 transitions. [2019-10-13 20:57:09,961 INFO L78 Accepts]: Start accepts. Automaton has 11020 states and 14174 transitions. Word has length 258 [2019-10-13 20:57:09,962 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 20:57:09,962 INFO L462 AbstractCegarLoop]: Abstraction has 11020 states and 14174 transitions. [2019-10-13 20:57:09,962 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 20:57:09,962 INFO L276 IsEmpty]: Start isEmpty. Operand 11020 states and 14174 transitions. [2019-10-13 20:57:09,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 276 [2019-10-13 20:57:09,966 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 20:57:09,966 INFO L380 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 20:57:09,967 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 20:57:09,967 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 20:57:09,967 INFO L82 PathProgramCache]: Analyzing trace with hash -521948165, now seen corresponding path program 1 times [2019-10-13 20:57:09,967 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 20:57:09,969 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [252590313] [2019-10-13 20:57:09,969 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:57:09,969 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:57:09,969 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 20:57:10,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 20:57:10,247 INFO L134 CoverageAnalysis]: Checked inductivity of 548 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 548 trivial. 0 not checked. [2019-10-13 20:57:10,247 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [252590313] [2019-10-13 20:57:10,248 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 20:57:10,248 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 20:57:10,248 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1395680384] [2019-10-13 20:57:10,249 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 20:57:10,249 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 20:57:10,249 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 20:57:10,249 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 20:57:10,249 INFO L87 Difference]: Start difference. First operand 11020 states and 14174 transitions. Second operand 3 states. [2019-10-13 20:57:12,699 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 20:57:12,700 INFO L93 Difference]: Finished difference Result 21676 states and 27918 transitions. [2019-10-13 20:57:12,700 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 20:57:12,700 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 275 [2019-10-13 20:57:12,701 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 20:57:12,747 INFO L225 Difference]: With dead ends: 21676 [2019-10-13 20:57:12,747 INFO L226 Difference]: Without dead ends: 10627 [2019-10-13 20:57:12,792 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 20:57:12,809 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10627 states. [2019-10-13 20:57:13,163 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10627 to 10275. [2019-10-13 20:57:13,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10275 states. [2019-10-13 20:57:13,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10275 states to 10275 states and 13020 transitions. [2019-10-13 20:57:13,196 INFO L78 Accepts]: Start accepts. Automaton has 10275 states and 13020 transitions. Word has length 275 [2019-10-13 20:57:13,196 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 20:57:13,197 INFO L462 AbstractCegarLoop]: Abstraction has 10275 states and 13020 transitions. [2019-10-13 20:57:13,197 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 20:57:13,197 INFO L276 IsEmpty]: Start isEmpty. Operand 10275 states and 13020 transitions. [2019-10-13 20:57:13,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 303 [2019-10-13 20:57:13,203 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 20:57:13,203 INFO L380 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 20:57:13,204 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 20:57:13,204 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 20:57:13,204 INFO L82 PathProgramCache]: Analyzing trace with hash -441330120, now seen corresponding path program 1 times [2019-10-13 20:57:13,204 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 20:57:13,204 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [732106243] [2019-10-13 20:57:13,205 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:57:13,205 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:57:13,205 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 20:57:13,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 20:57:13,556 INFO L134 CoverageAnalysis]: Checked inductivity of 616 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2019-10-13 20:57:13,556 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [732106243] [2019-10-13 20:57:13,557 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 20:57:13,557 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 20:57:13,558 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [417894469] [2019-10-13 20:57:13,559 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 20:57:13,559 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 20:57:13,559 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 20:57:13,560 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 20:57:13,560 INFO L87 Difference]: Start difference. First operand 10275 states and 13020 transitions. Second operand 3 states.