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 0.1.24-13a467a-m [2019-10-15 00:55:44,052 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-15 00:55:44,054 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-15 00:55:44,069 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-15 00:55:44,069 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-15 00:55:44,070 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-15 00:55:44,072 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-15 00:55:44,073 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-15 00:55:44,076 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-15 00:55:44,076 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-15 00:55:44,077 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-15 00:55:44,078 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-15 00:55:44,079 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-15 00:55:44,084 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-15 00:55:44,085 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-15 00:55:44,087 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-15 00:55:44,088 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-15 00:55:44,092 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-15 00:55:44,093 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-15 00:55:44,097 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-15 00:55:44,100 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-15 00:55:44,101 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-15 00:55:44,102 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-15 00:55:44,104 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-15 00:55:44,106 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-15 00:55:44,106 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-15 00:55:44,106 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-15 00:55:44,107 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-15 00:55:44,109 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-15 00:55:44,112 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-15 00:55:44,112 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-15 00:55:44,113 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-15 00:55:44,114 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-15 00:55:44,115 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-15 00:55:44,118 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-15 00:55:44,118 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-15 00:55:44,119 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-15 00:55:44,119 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-15 00:55:44,119 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-15 00:55:44,121 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-15 00:55:44,125 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-15 00:55:44,126 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-15 00:55:44,144 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-15 00:55:44,144 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-15 00:55:44,146 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-15 00:55:44,147 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-15 00:55:44,147 INFO L138 SettingsManager]: * Use SBE=true [2019-10-15 00:55:44,147 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-15 00:55:44,147 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-15 00:55:44,147 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-15 00:55:44,148 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-15 00:55:44,148 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-15 00:55:44,149 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-15 00:55:44,149 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-15 00:55:44,149 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-15 00:55:44,150 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-15 00:55:44,150 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-15 00:55:44,150 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-15 00:55:44,150 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-15 00:55:44,150 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-15 00:55:44,151 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-15 00:55:44,151 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-15 00:55:44,151 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-15 00:55:44,151 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 00:55:44,151 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-15 00:55:44,152 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-15 00:55:44,152 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-15 00:55:44,152 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-15 00:55:44,152 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-15 00:55:44,152 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-15 00:55:44,152 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: Abstract domain -> IntervalDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Abstract interpretation Mode -> USE_PREDICATES [2019-10-15 00:55:44,419 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-15 00:55:44,433 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-15 00:55:44,436 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-15 00:55:44,438 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-15 00:55:44,438 INFO L275 PluginConnector]: CDTParser initialized [2019-10-15 00:55:44,439 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--input--mousedev.ko-entry_point.cil.out.i [2019-10-15 00:55:44,510 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0b83737c6/565fb934030643939e8a2c9c24d2afe2/FLAG455cb1e16 [2019-10-15 00:55:45,283 INFO L306 CDTParser]: Found 1 translation units. [2019-10-15 00:55:45,284 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--input--mousedev.ko-entry_point.cil.out.i [2019-10-15 00:55:45,317 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0b83737c6/565fb934030643939e8a2c9c24d2afe2/FLAG455cb1e16 [2019-10-15 00:55:45,367 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0b83737c6/565fb934030643939e8a2c9c24d2afe2 [2019-10-15 00:55:45,380 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-15 00:55:45,382 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-15 00:55:45,385 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-15 00:55:45,385 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-15 00:55:45,389 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-15 00:55:45,390 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 12:55:45" (1/1) ... [2019-10-15 00:55:45,392 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@465541b4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:55:45, skipping insertion in model container [2019-10-15 00:55:45,393 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 12:55:45" (1/1) ... [2019-10-15 00:55:45,402 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-15 00:55:45,532 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-15 00:55:47,392 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 00:55:47,429 INFO L188 MainTranslator]: Completed pre-run [2019-10-15 00:55:47,764 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 00:55:48,191 INFO L192 MainTranslator]: Completed translation [2019-10-15 00:55:48,192 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:55:48 WrapperNode [2019-10-15 00:55:48,193 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-15 00:55:48,193 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-15 00:55:48,194 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-15 00:55:48,194 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-15 00:55:48,207 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:55:48" (1/1) ... [2019-10-15 00:55:48,207 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:55:48" (1/1) ... [2019-10-15 00:55:48,331 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:55:48" (1/1) ... [2019-10-15 00:55:48,332 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:55:48" (1/1) ... [2019-10-15 00:55:48,466 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:55:48" (1/1) ... [2019-10-15 00:55:48,498 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:55:48" (1/1) ... [2019-10-15 00:55:48,527 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:55:48" (1/1) ... [2019-10-15 00:55:48,554 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-15 00:55:48,554 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-15 00:55:48,555 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-15 00:55:48,555 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-15 00:55:48,556 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:55:48" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 00:55:48,626 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-15 00:55:48,626 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-15 00:55:48,627 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~VOID [2019-10-15 00:55:48,627 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2019-10-15 00:55:48,627 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2019-10-15 00:55:48,627 INFO L138 BoogieDeclarations]: Found implementation of procedure __read_once_size [2019-10-15 00:55:48,627 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2019-10-15 00:55:48,628 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2019-10-15 00:55:48,628 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2019-10-15 00:55:48,628 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2019-10-15 00:55:48,628 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2019-10-15 00:55:48,629 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del_init [2019-10-15 00:55:48,629 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-10-15 00:55:48,629 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-10-15 00:55:48,629 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2019-10-15 00:55:48,629 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2019-10-15 00:55:48,630 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2019-10-15 00:55:48,630 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ptr [2019-10-15 00:55:48,630 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2019-10-15 00:55:48,631 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2019-10-15 00:55:48,631 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2019-10-15 00:55:48,632 INFO L138 BoogieDeclarations]: Found implementation of procedure __preempt_count_add [2019-10-15 00:55:48,632 INFO L138 BoogieDeclarations]: Found implementation of procedure __preempt_count_sub [2019-10-15 00:55:48,632 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2019-10-15 00:55:48,632 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2019-10-15 00:55:48,632 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2019-10-15 00:55:48,632 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2019-10-15 00:55:48,633 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2019-10-15 00:55:48,633 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2019-10-15 00:55:48,633 INFO L138 BoogieDeclarations]: Found implementation of procedure __rcu_read_lock [2019-10-15 00:55:48,633 INFO L138 BoogieDeclarations]: Found implementation of procedure __rcu_read_unlock [2019-10-15 00:55:48,633 INFO L138 BoogieDeclarations]: Found implementation of procedure synchronize_rcu [2019-10-15 00:55:48,634 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_lock_acquire [2019-10-15 00:55:48,634 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_lock_release [2019-10-15 00:55:48,634 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock [2019-10-15 00:55:48,634 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_unlock [2019-10-15 00:55:48,634 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail_rcu [2019-10-15 00:55:48,635 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del_rcu [2019-10-15 00:55:48,635 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2019-10-15 00:55:48,635 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2019-10-15 00:55:48,635 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2019-10-15 00:55:48,635 INFO L138 BoogieDeclarations]: Found implementation of procedure imajor [2019-10-15 00:55:48,636 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2019-10-15 00:55:48,636 INFO L138 BoogieDeclarations]: Found implementation of procedure poll_wait [2019-10-15 00:55:48,636 INFO L138 BoogieDeclarations]: Found implementation of procedure kobject_name [2019-10-15 00:55:48,636 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2019-10-15 00:55:48,636 INFO L138 BoogieDeclarations]: Found implementation of procedure input_get_device [2019-10-15 00:55:48,636 INFO L138 BoogieDeclarations]: Found implementation of procedure input_put_device [2019-10-15 00:55:48,637 INFO L138 BoogieDeclarations]: Found implementation of procedure input_abs_get_min [2019-10-15 00:55:48,637 INFO L138 BoogieDeclarations]: Found implementation of procedure input_abs_get_max [2019-10-15 00:55:48,637 INFO L138 BoogieDeclarations]: Found implementation of procedure mousedev_touchpad_event [2019-10-15 00:55:48,637 INFO L138 BoogieDeclarations]: Found implementation of procedure mousedev_abs_event [2019-10-15 00:55:48,637 INFO L138 BoogieDeclarations]: Found implementation of procedure mousedev_rel_event [2019-10-15 00:55:48,637 INFO L138 BoogieDeclarations]: Found implementation of procedure mousedev_key_event [2019-10-15 00:55:48,638 INFO L138 BoogieDeclarations]: Found implementation of procedure mousedev_notify_readers [2019-10-15 00:55:48,638 INFO L138 BoogieDeclarations]: Found implementation of procedure mousedev_touchpad_touch [2019-10-15 00:55:48,638 INFO L138 BoogieDeclarations]: Found implementation of procedure mousedev_event [2019-10-15 00:55:48,638 INFO L138 BoogieDeclarations]: Found implementation of procedure mousedev_fasync [2019-10-15 00:55:48,638 INFO L138 BoogieDeclarations]: Found implementation of procedure mousedev_free [2019-10-15 00:55:48,638 INFO L138 BoogieDeclarations]: Found implementation of procedure mousedev_open_device [2019-10-15 00:55:48,639 INFO L138 BoogieDeclarations]: Found implementation of procedure mousedev_close_device [2019-10-15 00:55:48,639 INFO L138 BoogieDeclarations]: Found implementation of procedure mixdev_open_devices [2019-10-15 00:55:48,639 INFO L138 BoogieDeclarations]: Found implementation of procedure mixdev_close_devices [2019-10-15 00:55:48,639 INFO L138 BoogieDeclarations]: Found implementation of procedure mousedev_attach_client [2019-10-15 00:55:48,639 INFO L138 BoogieDeclarations]: Found implementation of procedure mousedev_detach_client [2019-10-15 00:55:48,640 INFO L138 BoogieDeclarations]: Found implementation of procedure mousedev_release [2019-10-15 00:55:48,640 INFO L138 BoogieDeclarations]: Found implementation of procedure mousedev_open [2019-10-15 00:55:48,640 INFO L138 BoogieDeclarations]: Found implementation of procedure mousedev_limit_delta [2019-10-15 00:55:48,640 INFO L138 BoogieDeclarations]: Found implementation of procedure mousedev_packet [2019-10-15 00:55:48,640 INFO L138 BoogieDeclarations]: Found implementation of procedure mousedev_generate_response [2019-10-15 00:55:48,641 INFO L138 BoogieDeclarations]: Found implementation of procedure mousedev_write [2019-10-15 00:55:48,641 INFO L138 BoogieDeclarations]: Found implementation of procedure mousedev_read [2019-10-15 00:55:48,641 INFO L138 BoogieDeclarations]: Found implementation of procedure mousedev_poll [2019-10-15 00:55:48,641 INFO L138 BoogieDeclarations]: Found implementation of procedure mousedev_mark_dead [2019-10-15 00:55:48,641 INFO L138 BoogieDeclarations]: Found implementation of procedure mousedev_hangup [2019-10-15 00:55:48,642 INFO L138 BoogieDeclarations]: Found implementation of procedure mousedev_cleanup [2019-10-15 00:55:48,642 INFO L138 BoogieDeclarations]: Found implementation of procedure mousedev_reserve_minor [2019-10-15 00:55:48,642 INFO L138 BoogieDeclarations]: Found implementation of procedure mousedev_create [2019-10-15 00:55:48,642 INFO L138 BoogieDeclarations]: Found implementation of procedure mousedev_destroy [2019-10-15 00:55:48,642 INFO L138 BoogieDeclarations]: Found implementation of procedure mixdev_add_device [2019-10-15 00:55:48,642 INFO L138 BoogieDeclarations]: Found implementation of procedure mixdev_remove_device [2019-10-15 00:55:48,643 INFO L138 BoogieDeclarations]: Found implementation of procedure mousedev_connect [2019-10-15 00:55:48,643 INFO L138 BoogieDeclarations]: Found implementation of procedure mousedev_disconnect [2019-10-15 00:55:48,643 INFO L138 BoogieDeclarations]: Found implementation of procedure mousedev_psaux_register [2019-10-15 00:55:48,643 INFO L138 BoogieDeclarations]: Found implementation of procedure mousedev_psaux_unregister [2019-10-15 00:55:48,643 INFO L138 BoogieDeclarations]: Found implementation of procedure mousedev_init [2019-10-15 00:55:48,644 INFO L138 BoogieDeclarations]: Found implementation of procedure mousedev_exit [2019-10-15 00:55:48,644 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_file_operations_2 [2019-10-15 00:55:48,644 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_input_handler_1 [2019-10-15 00:55:48,644 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-15 00:55:48,644 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2019-10-15 00:55:48,645 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2019-10-15 00:55:48,645 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2019-10-15 00:55:48,645 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_5 [2019-10-15 00:55:48,645 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_6 [2019-10-15 00:55:48,645 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_7 [2019-10-15 00:55:48,645 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_8 [2019-10-15 00:55:48,646 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_9 [2019-10-15 00:55:48,646 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_10 [2019-10-15 00:55:48,646 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_11 [2019-10-15 00:55:48,646 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_12 [2019-10-15 00:55:48,646 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_13 [2019-10-15 00:55:48,647 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_14 [2019-10-15 00:55:48,647 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_15 [2019-10-15 00:55:48,647 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_16 [2019-10-15 00:55:48,647 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_17 [2019-10-15 00:55:48,647 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_18 [2019-10-15 00:55:48,647 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_19 [2019-10-15 00:55:48,648 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_20 [2019-10-15 00:55:48,648 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_21 [2019-10-15 00:55:48,648 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_cdev_del_22 [2019-10-15 00:55:48,648 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_cdev_init_23 [2019-10-15 00:55:48,648 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_24 [2019-10-15 00:55:48,649 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_25 [2019-10-15 00:55:48,649 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_26 [2019-10-15 00:55:48,649 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_27 [2019-10-15 00:55:48,649 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_misc_register_28 [2019-10-15 00:55:48,649 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_misc_deregister_29 [2019-10-15 00:55:48,649 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2019-10-15 00:55:48,650 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int_negative [2019-10-15 00:55:48,650 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2019-10-15 00:55:48,650 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2019-10-15 00:55:48,650 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2019-10-15 00:55:48,650 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2019-10-15 00:55:48,651 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_i_mutex_of_inode [2019-10-15 00:55:48,651 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_i_mutex_of_inode [2019-10-15 00:55:48,651 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_i_mutex_of_inode [2019-10-15 00:55:48,651 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_i_mutex_of_inode [2019-10-15 00:55:48,651 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_i_mutex_of_inode [2019-10-15 00:55:48,652 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_i_mutex_of_inode [2019-10-15 00:55:48,652 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_i_mutex_of_inode [2019-10-15 00:55:48,652 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_i_mutex_of_inode [2019-10-15 00:55:48,652 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_trylock_device_i_mutex_of_inode [2019-10-15 00:55:48,652 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_for_reset_i_mutex_of_inode [2019-10-15 00:55:48,653 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_unlock_device_i_mutex_of_inode [2019-10-15 00:55:48,653 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_lock [2019-10-15 00:55:48,653 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_lock [2019-10-15 00:55:48,653 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock [2019-10-15 00:55:48,653 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_lock [2019-10-15 00:55:48,654 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_lock [2019-10-15 00:55:48,654 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_lock [2019-10-15 00:55:48,654 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock [2019-10-15 00:55:48,655 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_lock [2019-10-15 00:55:48,655 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_trylock_device_lock [2019-10-15 00:55:48,662 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_for_reset_lock [2019-10-15 00:55:48,662 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_unlock_device_lock [2019-10-15 00:55:48,663 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_mutex_of_device [2019-10-15 00:55:48,663 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_mutex_of_device [2019-10-15 00:55:48,663 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mutex_of_device [2019-10-15 00:55:48,663 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_mutex_of_device [2019-10-15 00:55:48,663 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2019-10-15 00:55:48,663 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_mutex_of_device [2019-10-15 00:55:48,664 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex_of_device [2019-10-15 00:55:48,664 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_mutex_of_device [2019-10-15 00:55:48,664 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_trylock_device_mutex_of_device [2019-10-15 00:55:48,665 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_for_reset_mutex_of_device [2019-10-15 00:55:48,665 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_unlock_device_mutex_of_device [2019-10-15 00:55:48,665 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_mutex_of_mousedev [2019-10-15 00:55:48,665 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_mutex_of_mousedev [2019-10-15 00:55:48,666 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mutex_of_mousedev [2019-10-15 00:55:48,666 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_mutex_of_mousedev [2019-10-15 00:55:48,666 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_mousedev [2019-10-15 00:55:48,666 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_mutex_of_mousedev [2019-10-15 00:55:48,666 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex_of_mousedev [2019-10-15 00:55:48,666 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_mutex_of_mousedev [2019-10-15 00:55:48,666 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_trylock_device_mutex_of_mousedev [2019-10-15 00:55:48,667 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_for_reset_mutex_of_mousedev [2019-10-15 00:55:48,667 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_unlock_device_mutex_of_mousedev [2019-10-15 00:55:48,667 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-10-15 00:55:48,667 INFO L138 BoogieDeclarations]: Found implementation of procedure __copy_to_user_overflow [2019-10-15 00:55:48,667 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2019-10-15 00:55:48,667 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2019-10-15 00:55:48,668 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add_rcu [2019-10-15 00:55:48,668 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_del_entry [2019-10-15 00:55:48,668 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_fault [2019-10-15 00:55:48,668 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_sleep [2019-10-15 00:55:48,668 INFO L138 BoogieDeclarations]: Found implementation of procedure __msecs_to_jiffies [2019-10-15 00:55:48,668 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2019-10-15 00:55:48,669 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2019-10-15 00:55:48,669 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2019-10-15 00:55:48,669 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2019-10-15 00:55:48,669 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock [2019-10-15 00:55:48,669 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irq [2019-10-15 00:55:48,669 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock [2019-10-15 00:55:48,670 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irq [2019-10-15 00:55:48,670 INFO L138 BoogieDeclarations]: Found implementation of procedure cdev_add [2019-10-15 00:55:48,670 INFO L138 BoogieDeclarations]: Found implementation of procedure cdev_del [2019-10-15 00:55:48,670 INFO L138 BoogieDeclarations]: Found implementation of procedure cdev_init [2019-10-15 00:55:48,670 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2019-10-15 00:55:48,671 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_name [2019-10-15 00:55:48,671 INFO L138 BoogieDeclarations]: Found implementation of procedure device_add [2019-10-15 00:55:48,671 INFO L138 BoogieDeclarations]: Found implementation of procedure device_del [2019-10-15 00:55:48,671 INFO L138 BoogieDeclarations]: Found implementation of procedure device_initialize [2019-10-15 00:55:48,671 INFO L138 BoogieDeclarations]: Found implementation of procedure fasync_helper [2019-10-15 00:55:48,671 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2019-10-15 00:55:48,672 INFO L138 BoogieDeclarations]: Found implementation of procedure get_device [2019-10-15 00:55:48,672 INFO L138 BoogieDeclarations]: Found implementation of procedure input_close_device [2019-10-15 00:55:48,672 INFO L138 BoogieDeclarations]: Found implementation of procedure input_free_minor [2019-10-15 00:55:48,672 INFO L138 BoogieDeclarations]: Found implementation of procedure input_get_new_minor [2019-10-15 00:55:48,672 INFO L138 BoogieDeclarations]: Found implementation of procedure input_open_device [2019-10-15 00:55:48,705 INFO L138 BoogieDeclarations]: Found implementation of procedure input_register_handle [2019-10-15 00:55:48,705 INFO L138 BoogieDeclarations]: Found implementation of procedure input_register_handler [2019-10-15 00:55:48,705 INFO L138 BoogieDeclarations]: Found implementation of procedure input_unregister_handle [2019-10-15 00:55:48,705 INFO L138 BoogieDeclarations]: Found implementation of procedure input_unregister_handler [2019-10-15 00:55:48,705 INFO L138 BoogieDeclarations]: Found implementation of procedure kill_fasync [2019-10-15 00:55:48,706 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_bind_1 [2019-10-15 00:55:48,706 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-10-15 00:55:48,706 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_1 [2019-10-15 00:55:48,706 INFO L138 BoogieDeclarations]: Found implementation of procedure lock_acquire [2019-10-15 00:55:48,706 INFO L138 BoogieDeclarations]: Found implementation of procedure lock_release [2019-10-15 00:55:48,707 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2019-10-15 00:55:48,707 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_suspicious [2019-10-15 00:55:48,707 INFO L138 BoogieDeclarations]: Found implementation of procedure misc_deregister [2019-10-15 00:55:48,707 INFO L138 BoogieDeclarations]: Found implementation of procedure misc_register [2019-10-15 00:55:48,707 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2019-10-15 00:55:48,707 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_interruptible [2019-10-15 00:55:48,707 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_trylock [2019-10-15 00:55:48,707 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2019-10-15 00:55:48,708 INFO L138 BoogieDeclarations]: Found implementation of procedure nonseekable_open [2019-10-15 00:55:48,708 INFO L138 BoogieDeclarations]: Found implementation of procedure noop_llseek [2019-10-15 00:55:48,708 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait_event [2019-10-15 00:55:48,708 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2019-10-15 00:55:48,710 INFO L138 BoogieDeclarations]: Found implementation of procedure put_device [2019-10-15 00:55:48,710 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_is_watching [2019-10-15 00:55:48,711 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2019-10-15 00:55:48,711 INFO L138 BoogieDeclarations]: Found implementation of procedure synchronize_sched [2019-10-15 00:55:48,711 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-10-15 00:55:48,711 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-10-15 00:55:48,711 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-10-15 00:55:48,711 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-10-15 00:55:48,712 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-10-15 00:55:48,712 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-15 00:55:48,712 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2019-10-15 00:55:48,712 INFO L130 BoogieDeclarations]: Found specification of procedure __read_once_size [2019-10-15 00:55:48,712 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-10-15 00:55:48,712 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-15 00:55:48,712 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-15 00:55:48,712 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2019-10-15 00:55:48,713 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2019-10-15 00:55:48,713 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2019-10-15 00:55:48,713 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2019-10-15 00:55:48,713 INFO L130 BoogieDeclarations]: Found specification of procedure __might_sleep [2019-10-15 00:55:48,713 INFO L130 BoogieDeclarations]: Found specification of procedure __might_fault [2019-10-15 00:55:48,713 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2019-10-15 00:55:48,713 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2019-10-15 00:55:48,713 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2019-10-15 00:55:48,714 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2019-10-15 00:55:48,714 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2019-10-15 00:55:48,714 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-15 00:55:48,714 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2019-10-15 00:55:48,714 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2019-10-15 00:55:48,714 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-15 00:55:48,714 INFO L130 BoogieDeclarations]: Found specification of procedure __list_del_entry [2019-10-15 00:55:48,714 INFO L130 BoogieDeclarations]: Found specification of procedure list_del_init [2019-10-15 00:55:48,715 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-10-15 00:55:48,715 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-10-15 00:55:48,715 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2019-10-15 00:55:48,715 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2019-10-15 00:55:48,715 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2019-10-15 00:55:48,715 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2019-10-15 00:55:48,715 INFO L130 BoogieDeclarations]: Found specification of procedure lock_acquire [2019-10-15 00:55:48,715 INFO L130 BoogieDeclarations]: Found specification of procedure lock_release [2019-10-15 00:55:48,716 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_suspicious [2019-10-15 00:55:48,716 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2019-10-15 00:55:48,716 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_trylock [2019-10-15 00:55:48,720 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_10 [2019-10-15 00:55:48,720 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2019-10-15 00:55:48,720 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_5 [2019-10-15 00:55:48,720 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_8 [2019-10-15 00:55:48,720 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_11 [2019-10-15 00:55:48,720 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_13 [2019-10-15 00:55:48,720 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_15 [2019-10-15 00:55:48,721 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_17 [2019-10-15 00:55:48,721 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_19 [2019-10-15 00:55:48,721 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_21 [2019-10-15 00:55:48,721 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_25 [2019-10-15 00:55:48,721 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_27 [2019-10-15 00:55:48,721 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-15 00:55:48,721 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-10-15 00:55:48,721 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-15 00:55:48,722 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-10-15 00:55:48,722 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-10-15 00:55:48,722 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-10-15 00:55:48,722 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-10-15 00:55:48,724 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-15 00:55:48,724 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-10-15 00:55:48,724 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-10-15 00:55:48,724 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2019-10-15 00:55:48,724 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2019-10-15 00:55:48,724 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-10-15 00:55:48,724 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2019-10-15 00:55:48,724 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ptr [2019-10-15 00:55:48,725 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2019-10-15 00:55:48,725 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2019-10-15 00:55:48,725 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_interruptible [2019-10-15 00:55:48,725 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_12 [2019-10-15 00:55:48,725 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_16 [2019-10-15 00:55:48,725 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_24 [2019-10-15 00:55:48,725 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2019-10-15 00:55:48,725 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_6 [2019-10-15 00:55:48,726 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_7 [2019-10-15 00:55:48,726 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_9 [2019-10-15 00:55:48,726 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_14 [2019-10-15 00:55:48,726 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_18 [2019-10-15 00:55:48,726 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_20 [2019-10-15 00:55:48,726 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_26 [2019-10-15 00:55:48,726 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_i_mutex_of_inode [2019-10-15 00:55:48,726 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_i_mutex_of_inode [2019-10-15 00:55:48,727 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock [2019-10-15 00:55:48,727 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock [2019-10-15 00:55:48,727 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mutex_of_device [2019-10-15 00:55:48,727 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_mutex_of_device [2019-10-15 00:55:48,727 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex_of_device [2019-10-15 00:55:48,727 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_mutex_of_mousedev [2019-10-15 00:55:48,727 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mutex_of_mousedev [2019-10-15 00:55:48,727 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex_of_mousedev [2019-10-15 00:55:48,728 INFO L130 BoogieDeclarations]: Found specification of procedure __preempt_count_add [2019-10-15 00:55:48,728 INFO L130 BoogieDeclarations]: Found specification of procedure __preempt_count_sub [2019-10-15 00:55:48,728 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2019-10-15 00:55:48,728 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock [2019-10-15 00:55:48,728 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irq [2019-10-15 00:55:48,728 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock [2019-10-15 00:55:48,728 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irq [2019-10-15 00:55:48,728 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2019-10-15 00:55:48,729 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2019-10-15 00:55:48,729 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2019-10-15 00:55:48,729 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2019-10-15 00:55:48,729 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2019-10-15 00:55:48,729 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2019-10-15 00:55:48,729 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2019-10-15 00:55:48,729 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait_event [2019-10-15 00:55:48,729 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2019-10-15 00:55:48,729 INFO L130 BoogieDeclarations]: Found specification of procedure __msecs_to_jiffies [2019-10-15 00:55:48,730 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2019-10-15 00:55:48,730 INFO L130 BoogieDeclarations]: Found specification of procedure synchronize_sched [2019-10-15 00:55:48,730 INFO L130 BoogieDeclarations]: Found specification of procedure __rcu_read_lock [2019-10-15 00:55:48,730 INFO L130 BoogieDeclarations]: Found specification of procedure __rcu_read_unlock [2019-10-15 00:55:48,730 INFO L130 BoogieDeclarations]: Found specification of procedure synchronize_rcu [2019-10-15 00:55:48,730 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_is_watching [2019-10-15 00:55:48,730 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_lock_acquire [2019-10-15 00:55:48,730 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_lock_release [2019-10-15 00:55:48,731 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2019-10-15 00:55:48,731 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock [2019-10-15 00:55:48,731 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-15 00:55:48,731 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_unlock [2019-10-15 00:55:48,731 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add_rcu [2019-10-15 00:55:48,731 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail_rcu [2019-10-15 00:55:48,731 INFO L130 BoogieDeclarations]: Found specification of procedure list_del_rcu [2019-10-15 00:55:48,731 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2019-10-15 00:55:48,731 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-10-15 00:55:48,732 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2019-10-15 00:55:48,732 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2019-10-15 00:55:48,732 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2019-10-15 00:55:48,732 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_file_operations_2 [2019-10-15 00:55:48,732 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_input_handler_1 [2019-10-15 00:55:48,732 INFO L130 BoogieDeclarations]: Found specification of procedure imajor [2019-10-15 00:55:48,732 INFO L130 BoogieDeclarations]: Found specification of procedure fasync_helper [2019-10-15 00:55:48,732 INFO L130 BoogieDeclarations]: Found specification of procedure kill_fasync [2019-10-15 00:55:48,733 INFO L130 BoogieDeclarations]: Found specification of procedure noop_llseek [2019-10-15 00:55:48,733 INFO L130 BoogieDeclarations]: Found specification of procedure nonseekable_open [2019-10-15 00:55:48,733 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2019-10-15 00:55:48,733 INFO L130 BoogieDeclarations]: Found specification of procedure __copy_to_user_overflow [2019-10-15 00:55:48,733 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2019-10-15 00:55:48,733 INFO L130 BoogieDeclarations]: Found specification of procedure poll_wait [2019-10-15 00:55:48,733 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~VOID [2019-10-15 00:55:48,733 INFO L130 BoogieDeclarations]: Found specification of procedure kobject_name [2019-10-15 00:55:48,734 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2019-10-15 00:55:48,734 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_name [2019-10-15 00:55:48,734 INFO L130 BoogieDeclarations]: Found specification of procedure device_initialize [2019-10-15 00:55:48,734 INFO L130 BoogieDeclarations]: Found specification of procedure device_add [2019-10-15 00:55:48,734 INFO L130 BoogieDeclarations]: Found specification of procedure device_del [2019-10-15 00:55:48,734 INFO L130 BoogieDeclarations]: Found specification of procedure get_device [2019-10-15 00:55:48,734 INFO L130 BoogieDeclarations]: Found specification of procedure put_device [2019-10-15 00:55:48,735 INFO L130 BoogieDeclarations]: Found specification of procedure input_get_device [2019-10-15 00:55:48,735 INFO L130 BoogieDeclarations]: Found specification of procedure input_put_device [2019-10-15 00:55:48,735 INFO L130 BoogieDeclarations]: Found specification of procedure input_register_handler [2019-10-15 00:55:48,735 INFO L130 BoogieDeclarations]: Found specification of procedure input_unregister_handler [2019-10-15 00:55:48,735 INFO L130 BoogieDeclarations]: Found specification of procedure input_get_new_minor [2019-10-15 00:55:48,735 INFO L130 BoogieDeclarations]: Found specification of procedure input_free_minor [2019-10-15 00:55:48,735 INFO L130 BoogieDeclarations]: Found specification of procedure input_register_handle [2019-10-15 00:55:48,735 INFO L130 BoogieDeclarations]: Found specification of procedure input_unregister_handle [2019-10-15 00:55:48,736 INFO L130 BoogieDeclarations]: Found specification of procedure input_open_device [2019-10-15 00:55:48,736 INFO L130 BoogieDeclarations]: Found specification of procedure input_close_device [2019-10-15 00:55:48,736 INFO L130 BoogieDeclarations]: Found specification of procedure input_abs_get_min [2019-10-15 00:55:48,736 INFO L130 BoogieDeclarations]: Found specification of procedure input_abs_get_max [2019-10-15 00:55:48,736 INFO L130 BoogieDeclarations]: Found specification of procedure cdev_init [2019-10-15 00:55:48,736 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_cdev_init_23 [2019-10-15 00:55:48,736 INFO L130 BoogieDeclarations]: Found specification of procedure cdev_add [2019-10-15 00:55:48,737 INFO L130 BoogieDeclarations]: Found specification of procedure cdev_del [2019-10-15 00:55:48,737 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_cdev_del_22 [2019-10-15 00:55:48,737 INFO L130 BoogieDeclarations]: Found specification of procedure mousedev_touchpad_event [2019-10-15 00:55:48,737 INFO L130 BoogieDeclarations]: Found specification of procedure mousedev_abs_event [2019-10-15 00:55:48,740 INFO L130 BoogieDeclarations]: Found specification of procedure mousedev_rel_event [2019-10-15 00:55:48,740 INFO L130 BoogieDeclarations]: Found specification of procedure mousedev_key_event [2019-10-15 00:55:48,740 INFO L130 BoogieDeclarations]: Found specification of procedure mousedev_notify_readers [2019-10-15 00:55:48,740 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-15 00:55:48,740 INFO L130 BoogieDeclarations]: Found specification of procedure mousedev_touchpad_touch [2019-10-15 00:55:48,740 INFO L130 BoogieDeclarations]: Found specification of procedure mousedev_event [2019-10-15 00:55:48,740 INFO L130 BoogieDeclarations]: Found specification of procedure mousedev_fasync [2019-10-15 00:55:48,741 INFO L130 BoogieDeclarations]: Found specification of procedure mousedev_free [2019-10-15 00:55:48,743 INFO L130 BoogieDeclarations]: Found specification of procedure mousedev_open_device [2019-10-15 00:55:48,743 INFO L130 BoogieDeclarations]: Found specification of procedure mousedev_close_device [2019-10-15 00:55:48,743 INFO L130 BoogieDeclarations]: Found specification of procedure mixdev_open_devices [2019-10-15 00:55:48,743 INFO L130 BoogieDeclarations]: Found specification of procedure mixdev_close_devices [2019-10-15 00:55:48,743 INFO L130 BoogieDeclarations]: Found specification of procedure mousedev_attach_client [2019-10-15 00:55:48,744 INFO L130 BoogieDeclarations]: Found specification of procedure mousedev_detach_client [2019-10-15 00:55:48,744 INFO L130 BoogieDeclarations]: Found specification of procedure mousedev_release [2019-10-15 00:55:48,744 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2019-10-15 00:55:48,744 INFO L130 BoogieDeclarations]: Found specification of procedure mousedev_open [2019-10-15 00:55:48,744 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2019-10-15 00:55:48,745 INFO L130 BoogieDeclarations]: Found specification of procedure mousedev_limit_delta [2019-10-15 00:55:48,745 INFO L130 BoogieDeclarations]: Found specification of procedure mousedev_packet [2019-10-15 00:55:48,745 INFO L130 BoogieDeclarations]: Found specification of procedure mousedev_generate_response [2019-10-15 00:55:48,745 INFO L130 BoogieDeclarations]: Found specification of procedure mousedev_write [2019-10-15 00:55:48,745 INFO L130 BoogieDeclarations]: Found specification of procedure mousedev_read [2019-10-15 00:55:48,745 INFO L130 BoogieDeclarations]: Found specification of procedure mousedev_poll [2019-10-15 00:55:48,745 INFO L130 BoogieDeclarations]: Found specification of procedure mousedev_mark_dead [2019-10-15 00:55:48,745 INFO L130 BoogieDeclarations]: Found specification of procedure mousedev_hangup [2019-10-15 00:55:48,746 INFO L130 BoogieDeclarations]: Found specification of procedure mousedev_cleanup [2019-10-15 00:55:48,746 INFO L130 BoogieDeclarations]: Found specification of procedure mousedev_reserve_minor [2019-10-15 00:55:48,746 INFO L130 BoogieDeclarations]: Found specification of procedure mousedev_create [2019-10-15 00:55:48,746 INFO L130 BoogieDeclarations]: Found specification of procedure mousedev_destroy [2019-10-15 00:55:48,746 INFO L130 BoogieDeclarations]: Found specification of procedure mixdev_add_device [2019-10-15 00:55:48,746 INFO L130 BoogieDeclarations]: Found specification of procedure mixdev_remove_device [2019-10-15 00:55:48,746 INFO L130 BoogieDeclarations]: Found specification of procedure mousedev_connect [2019-10-15 00:55:48,746 INFO L130 BoogieDeclarations]: Found specification of procedure mousedev_disconnect [2019-10-15 00:55:48,746 INFO L130 BoogieDeclarations]: Found specification of procedure misc_register [2019-10-15 00:55:48,747 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_misc_register_28 [2019-10-15 00:55:48,747 INFO L130 BoogieDeclarations]: Found specification of procedure misc_deregister [2019-10-15 00:55:48,747 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_misc_deregister_29 [2019-10-15 00:55:48,747 INFO L130 BoogieDeclarations]: Found specification of procedure mousedev_psaux_register [2019-10-15 00:55:48,747 INFO L130 BoogieDeclarations]: Found specification of procedure mousedev_psaux_unregister [2019-10-15 00:55:48,747 INFO L130 BoogieDeclarations]: Found specification of procedure mousedev_init [2019-10-15 00:55:48,747 INFO L130 BoogieDeclarations]: Found specification of procedure mousedev_exit [2019-10-15 00:55:48,747 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-10-15 00:55:48,747 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-10-15 00:55:48,748 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_1 [2019-10-15 00:55:48,748 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_bind_1 [2019-10-15 00:55:48,748 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-15 00:55:48,748 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2019-10-15 00:55:48,748 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int_negative [2019-10-15 00:55:48,748 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2019-10-15 00:55:48,748 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_i_mutex_of_inode [2019-10-15 00:55:48,748 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_i_mutex_of_inode [2019-10-15 00:55:48,749 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_i_mutex_of_inode [2019-10-15 00:55:48,749 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_i_mutex_of_inode [2019-10-15 00:55:48,749 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_i_mutex_of_inode [2019-10-15 00:55:48,749 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_i_mutex_of_inode [2019-10-15 00:55:48,749 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_trylock_device_i_mutex_of_inode [2019-10-15 00:55:48,749 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_for_reset_i_mutex_of_inode [2019-10-15 00:55:48,749 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_unlock_device_i_mutex_of_inode [2019-10-15 00:55:48,749 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_lock [2019-10-15 00:55:48,749 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_lock [2019-10-15 00:55:48,750 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_lock [2019-10-15 00:55:48,750 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_lock [2019-10-15 00:55:48,750 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_lock [2019-10-15 00:55:48,750 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_lock [2019-10-15 00:55:48,750 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_trylock_device_lock [2019-10-15 00:55:48,750 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_for_reset_lock [2019-10-15 00:55:48,750 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_unlock_device_lock [2019-10-15 00:55:48,750 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_mutex_of_device [2019-10-15 00:55:48,750 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_mutex_of_device [2019-10-15 00:55:48,751 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2019-10-15 00:55:48,751 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_mutex_of_device [2019-10-15 00:55:48,751 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_mutex_of_device [2019-10-15 00:55:48,751 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_trylock_device_mutex_of_device [2019-10-15 00:55:48,751 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_for_reset_mutex_of_device [2019-10-15 00:55:48,751 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_unlock_device_mutex_of_device [2019-10-15 00:55:48,751 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_mutex_of_mousedev [2019-10-15 00:55:48,751 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_mutex_of_mousedev [2019-10-15 00:55:48,752 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_mousedev [2019-10-15 00:55:48,752 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_mutex_of_mousedev [2019-10-15 00:55:48,752 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_mutex_of_mousedev [2019-10-15 00:55:48,752 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_trylock_device_mutex_of_mousedev [2019-10-15 00:55:48,752 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_for_reset_mutex_of_mousedev [2019-10-15 00:55:48,752 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_unlock_device_mutex_of_mousedev [2019-10-15 00:55:48,752 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-10-15 00:55:48,752 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2019-10-15 00:55:48,752 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-10-15 00:55:48,753 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-15 00:55:48,753 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-15 00:55:48,753 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-15 00:55:48,753 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-10-15 00:55:48,753 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-15 00:55:48,753 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2019-10-15 00:55:48,753 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2019-10-15 00:55:48,753 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-10-15 00:55:48,753 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-10-15 00:55:49,504 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2019-10-15 00:55:54,491 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-15 00:55:54,492 INFO L284 CfgBuilder]: Removed 0 assume(true) statements. [2019-10-15 00:55:54,494 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 12:55:54 BoogieIcfgContainer [2019-10-15 00:55:54,494 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-15 00:55:54,496 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-15 00:55:54,497 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-15 00:55:54,500 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-15 00:55:54,500 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 12:55:45" (1/3) ... [2019-10-15 00:55:54,501 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79754836 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 12:55:54, skipping insertion in model container [2019-10-15 00:55:54,501 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:55:48" (2/3) ... [2019-10-15 00:55:54,502 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79754836 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 12:55:54, skipping insertion in model container [2019-10-15 00:55:54,502 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 12:55:54" (3/3) ... [2019-10-15 00:55:54,506 INFO L109 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-32_7a-drivers--input--mousedev.ko-entry_point.cil.out.i [2019-10-15 00:55:54,516 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-15 00:55:54,529 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-15 00:55:54,540 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-15 00:55:54,579 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-15 00:55:54,579 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-15 00:55:54,579 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-15 00:55:54,579 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-15 00:55:54,579 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-15 00:55:54,580 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-15 00:55:54,580 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-15 00:55:54,580 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-15 00:55:54,640 INFO L276 IsEmpty]: Start isEmpty. Operand 1554 states. [2019-10-15 00:55:54,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2019-10-15 00:55:54,673 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 00:55:54,675 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] [2019-10-15 00:55:54,677 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 00:55:54,683 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 00:55:54,683 INFO L82 PathProgramCache]: Analyzing trace with hash -1179486101, now seen corresponding path program 1 times [2019-10-15 00:55:54,693 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 00:55:54,694 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1420265081] [2019-10-15 00:55:54,694 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:55:54,694 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:55:54,694 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 00:55:55,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 00:55:55,701 INFO L134 CoverageAnalysis]: Checked inductivity of 548 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 548 trivial. 0 not checked. [2019-10-15 00:55:55,702 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1420265081] [2019-10-15 00:55:55,703 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 00:55:55,704 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 00:55:55,704 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2140467564] [2019-10-15 00:55:55,709 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 00:55:55,712 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 00:55:55,726 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 00:55:55,727 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 00:55:55,729 INFO L87 Difference]: Start difference. First operand 1554 states. Second operand 3 states. [2019-10-15 00:55:56,076 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 00:55:56,077 INFO L93 Difference]: Finished difference Result 3508 states and 4577 transitions. [2019-10-15 00:55:56,077 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 00:55:56,078 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 206 [2019-10-15 00:55:56,080 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 00:55:56,125 INFO L225 Difference]: With dead ends: 3508 [2019-10-15 00:55:56,125 INFO L226 Difference]: Without dead ends: 2194 [2019-10-15 00:55:56,136 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 00:55:56,159 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2194 states. [2019-10-15 00:55:56,353 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2194 to 2179. [2019-10-15 00:55:56,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2179 states. [2019-10-15 00:55:56,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2179 states to 2179 states and 2746 transitions. [2019-10-15 00:55:56,378 INFO L78 Accepts]: Start accepts. Automaton has 2179 states and 2746 transitions. Word has length 206 [2019-10-15 00:55:56,380 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 00:55:56,380 INFO L462 AbstractCegarLoop]: Abstraction has 2179 states and 2746 transitions. [2019-10-15 00:55:56,381 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 00:55:56,381 INFO L276 IsEmpty]: Start isEmpty. Operand 2179 states and 2746 transitions. [2019-10-15 00:55:56,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2019-10-15 00:55:56,388 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 00:55:56,388 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] [2019-10-15 00:55:56,389 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 00:55:56,389 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 00:55:56,389 INFO L82 PathProgramCache]: Analyzing trace with hash 253085707, now seen corresponding path program 1 times [2019-10-15 00:55:56,389 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 00:55:56,390 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1015122327] [2019-10-15 00:55:56,390 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:55:56,390 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:55:56,390 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 00:55:56,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 00:55:56,778 INFO L134 CoverageAnalysis]: Checked inductivity of 548 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 548 trivial. 0 not checked. [2019-10-15 00:55:56,779 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1015122327] [2019-10-15 00:55:56,779 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 00:55:56,780 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 00:55:56,780 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1946497301] [2019-10-15 00:55:56,783 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 00:55:56,784 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 00:55:56,784 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 00:55:56,784 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 00:55:56,785 INFO L87 Difference]: Start difference. First operand 2179 states and 2746 transitions. Second operand 3 states. [2019-10-15 00:55:59,127 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 00:55:59,127 INFO L93 Difference]: Finished difference Result 6146 states and 7762 transitions. [2019-10-15 00:55:59,128 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 00:55:59,128 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 220 [2019-10-15 00:55:59,129 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 00:55:59,153 INFO L225 Difference]: With dead ends: 6146 [2019-10-15 00:55:59,154 INFO L226 Difference]: Without dead ends: 4019 [2019-10-15 00:55:59,163 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 00:55:59,169 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4019 states. [2019-10-15 00:55:59,301 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4019 to 4014. [2019-10-15 00:55:59,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4014 states. [2019-10-15 00:55:59,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4014 states to 4014 states and 5075 transitions. [2019-10-15 00:55:59,326 INFO L78 Accepts]: Start accepts. Automaton has 4014 states and 5075 transitions. Word has length 220 [2019-10-15 00:55:59,326 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 00:55:59,327 INFO L462 AbstractCegarLoop]: Abstraction has 4014 states and 5075 transitions. [2019-10-15 00:55:59,327 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 00:55:59,327 INFO L276 IsEmpty]: Start isEmpty. Operand 4014 states and 5075 transitions. [2019-10-15 00:55:59,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 253 [2019-10-15 00:55:59,332 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 00:55:59,332 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] [2019-10-15 00:55:59,332 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 00:55:59,333 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 00:55:59,333 INFO L82 PathProgramCache]: Analyzing trace with hash -662833919, now seen corresponding path program 1 times [2019-10-15 00:55:59,333 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 00:55:59,333 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [532625964] [2019-10-15 00:55:59,334 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:55:59,334 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:55:59,334 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 00:55:59,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 00:55:59,607 INFO L134 CoverageAnalysis]: Checked inductivity of 548 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 548 trivial. 0 not checked. [2019-10-15 00:55:59,607 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [532625964] [2019-10-15 00:55:59,608 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 00:55:59,608 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 00:55:59,608 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [803250914] [2019-10-15 00:55:59,609 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 00:55:59,609 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 00:55:59,610 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 00:55:59,610 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 00:55:59,610 INFO L87 Difference]: Start difference. First operand 4014 states and 5075 transitions. Second operand 3 states. [2019-10-15 00:56:00,029 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 00:56:00,029 INFO L93 Difference]: Finished difference Result 9985 states and 12611 transitions. [2019-10-15 00:56:00,029 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 00:56:00,029 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 252 [2019-10-15 00:56:00,030 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 00:56:00,066 INFO L225 Difference]: With dead ends: 9985 [2019-10-15 00:56:00,066 INFO L226 Difference]: Without dead ends: 6031 [2019-10-15 00:56:00,082 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 00:56:00,091 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6031 states. [2019-10-15 00:56:00,277 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6031 to 5912. [2019-10-15 00:56:00,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5912 states. [2019-10-15 00:56:00,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5912 states to 5912 states and 7474 transitions. [2019-10-15 00:56:00,312 INFO L78 Accepts]: Start accepts. Automaton has 5912 states and 7474 transitions. Word has length 252 [2019-10-15 00:56:00,313 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 00:56:00,313 INFO L462 AbstractCegarLoop]: Abstraction has 5912 states and 7474 transitions. [2019-10-15 00:56:00,313 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 00:56:00,313 INFO L276 IsEmpty]: Start isEmpty. Operand 5912 states and 7474 transitions. [2019-10-15 00:56:00,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 257 [2019-10-15 00:56:00,317 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 00:56:00,317 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] [2019-10-15 00:56:00,318 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 00:56:00,318 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 00:56:00,318 INFO L82 PathProgramCache]: Analyzing trace with hash 564865209, now seen corresponding path program 1 times [2019-10-15 00:56:00,318 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 00:56:00,319 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [204237678] [2019-10-15 00:56:00,319 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:56:00,319 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:56:00,319 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 00:56:00,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 00:56:00,762 INFO L134 CoverageAnalysis]: Checked inductivity of 548 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 548 trivial. 0 not checked. [2019-10-15 00:56:00,763 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [204237678] [2019-10-15 00:56:00,763 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 00:56:00,763 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 00:56:00,763 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1789975558] [2019-10-15 00:56:00,764 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 00:56:00,764 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 00:56:00,764 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 00:56:00,765 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 00:56:00,765 INFO L87 Difference]: Start difference. First operand 5912 states and 7474 transitions. Second operand 3 states. [2019-10-15 00:56:00,902 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 00:56:00,902 INFO L93 Difference]: Finished difference Result 5914 states and 7475 transitions. [2019-10-15 00:56:00,903 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 00:56:00,903 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 256 [2019-10-15 00:56:00,904 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 00:56:00,937 INFO L225 Difference]: With dead ends: 5914 [2019-10-15 00:56:00,938 INFO L226 Difference]: Without dead ends: 5911 [2019-10-15 00:56:00,941 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 00:56:00,950 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5911 states. [2019-10-15 00:56:01,187 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5911 to 5911. [2019-10-15 00:56:01,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5911 states. [2019-10-15 00:56:01,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5911 states to 5911 states and 7472 transitions. [2019-10-15 00:56:01,218 INFO L78 Accepts]: Start accepts. Automaton has 5911 states and 7472 transitions. Word has length 256 [2019-10-15 00:56:01,218 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 00:56:01,218 INFO L462 AbstractCegarLoop]: Abstraction has 5911 states and 7472 transitions. [2019-10-15 00:56:01,218 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 00:56:01,219 INFO L276 IsEmpty]: Start isEmpty. Operand 5911 states and 7472 transitions. [2019-10-15 00:56:01,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 261 [2019-10-15 00:56:01,222 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 00:56:01,222 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] [2019-10-15 00:56:01,223 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 00:56:01,223 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 00:56:01,223 INFO L82 PathProgramCache]: Analyzing trace with hash -713264524, now seen corresponding path program 1 times [2019-10-15 00:56:01,223 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 00:56:01,224 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [491945041] [2019-10-15 00:56:01,224 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:56:01,224 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:56:01,224 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 00:56:01,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 00:56:01,644 INFO L134 CoverageAnalysis]: Checked inductivity of 548 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 548 trivial. 0 not checked. [2019-10-15 00:56:01,644 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [491945041] [2019-10-15 00:56:01,645 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 00:56:01,645 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-15 00:56:01,645 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1130658732] [2019-10-15 00:56:01,645 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-15 00:56:01,646 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 00:56:01,646 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-15 00:56:01,646 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-15 00:56:01,646 INFO L87 Difference]: Start difference. First operand 5911 states and 7472 transitions. Second operand 4 states. [2019-10-15 00:56:08,382 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 00:56:08,382 INFO L93 Difference]: Finished difference Result 17601 states and 22936 transitions. [2019-10-15 00:56:08,383 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-15 00:56:08,383 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 260 [2019-10-15 00:56:08,384 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 00:56:08,451 INFO L225 Difference]: With dead ends: 17601 [2019-10-15 00:56:08,451 INFO L226 Difference]: Without dead ends: 11749 [2019-10-15 00:56:08,475 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 [2019-10-15 00:56:08,488 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11749 states. [2019-10-15 00:56:08,867 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11749 to 11095. [2019-10-15 00:56:08,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11095 states. [2019-10-15 00:56:08,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11095 states to 11095 states and 14284 transitions. [2019-10-15 00:56:08,906 INFO L78 Accepts]: Start accepts. Automaton has 11095 states and 14284 transitions. Word has length 260 [2019-10-15 00:56:08,906 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 00:56:08,906 INFO L462 AbstractCegarLoop]: Abstraction has 11095 states and 14284 transitions. [2019-10-15 00:56:08,907 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-15 00:56:08,907 INFO L276 IsEmpty]: Start isEmpty. Operand 11095 states and 14284 transitions. [2019-10-15 00:56:08,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 258 [2019-10-15 00:56:08,910 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 00:56:08,910 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] [2019-10-15 00:56:08,911 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 00:56:08,911 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 00:56:08,911 INFO L82 PathProgramCache]: Analyzing trace with hash 330368706, now seen corresponding path program 1 times [2019-10-15 00:56:08,911 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 00:56:08,912 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2129856053] [2019-10-15 00:56:08,912 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:56:08,912 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:56:08,912 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 00:56:09,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 00:56:09,843 INFO L134 CoverageAnalysis]: Checked inductivity of 548 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 548 trivial. 0 not checked. [2019-10-15 00:56:09,844 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2129856053] [2019-10-15 00:56:09,844 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 00:56:09,844 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 00:56:09,844 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [911287695] [2019-10-15 00:56:09,845 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 00:56:09,845 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 00:56:09,846 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 00:56:09,846 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 00:56:09,846 INFO L87 Difference]: Start difference. First operand 11095 states and 14284 transitions. Second operand 3 states. [2019-10-15 00:56:10,046 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 00:56:10,047 INFO L93 Difference]: Finished difference Result 11097 states and 14285 transitions. [2019-10-15 00:56:10,047 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 00:56:10,047 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 257 [2019-10-15 00:56:10,048 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 00:56:10,089 INFO L225 Difference]: With dead ends: 11097 [2019-10-15 00:56:10,089 INFO L226 Difference]: Without dead ends: 11094 [2019-10-15 00:56:10,096 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 00:56:10,111 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11094 states. [2019-10-15 00:56:10,481 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11094 to 11094. [2019-10-15 00:56:10,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11094 states. [2019-10-15 00:56:10,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11094 states to 11094 states and 14281 transitions. [2019-10-15 00:56:10,522 INFO L78 Accepts]: Start accepts. Automaton has 11094 states and 14281 transitions. Word has length 257 [2019-10-15 00:56:10,522 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 00:56:10,523 INFO L462 AbstractCegarLoop]: Abstraction has 11094 states and 14281 transitions. [2019-10-15 00:56:10,523 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 00:56:10,523 INFO L276 IsEmpty]: Start isEmpty. Operand 11094 states and 14281 transitions. [2019-10-15 00:56:10,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 259 [2019-10-15 00:56:10,528 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 00:56:10,529 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] [2019-10-15 00:56:10,529 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 00:56:10,529 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 00:56:10,530 INFO L82 PathProgramCache]: Analyzing trace with hash 1650916572, now seen corresponding path program 1 times [2019-10-15 00:56:10,530 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 00:56:10,530 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2064908762] [2019-10-15 00:56:10,531 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:56:10,531 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:56:10,531 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 00:56:10,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 00:56:10,961 INFO L134 CoverageAnalysis]: Checked inductivity of 548 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 548 trivial. 0 not checked. [2019-10-15 00:56:10,961 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2064908762] [2019-10-15 00:56:10,961 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 00:56:10,961 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 00:56:10,962 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1587114754] [2019-10-15 00:56:10,964 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 00:56:10,964 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 00:56:10,964 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 00:56:10,964 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 00:56:10,965 INFO L87 Difference]: Start difference. First operand 11094 states and 14281 transitions. Second operand 3 states. [2019-10-15 00:56:11,179 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 00:56:11,179 INFO L93 Difference]: Finished difference Result 11096 states and 14282 transitions. [2019-10-15 00:56:11,179 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 00:56:11,180 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 258 [2019-10-15 00:56:11,180 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 00:56:11,222 INFO L225 Difference]: With dead ends: 11096 [2019-10-15 00:56:11,222 INFO L226 Difference]: Without dead ends: 11022 [2019-10-15 00:56:11,230 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 00:56:11,244 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11022 states. [2019-10-15 00:56:11,594 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11022 to 11020. [2019-10-15 00:56:11,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11020 states. [2019-10-15 00:56:11,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11020 states to 11020 states and 14174 transitions. [2019-10-15 00:56:11,632 INFO L78 Accepts]: Start accepts. Automaton has 11020 states and 14174 transitions. Word has length 258 [2019-10-15 00:56:11,632 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 00:56:11,633 INFO L462 AbstractCegarLoop]: Abstraction has 11020 states and 14174 transitions. [2019-10-15 00:56:11,633 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 00:56:11,633 INFO L276 IsEmpty]: Start isEmpty. Operand 11020 states and 14174 transitions. [2019-10-15 00:56:11,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 276 [2019-10-15 00:56:11,636 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 00:56:11,637 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 00:56:11,637 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 00:56:11,637 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 00:56:11,637 INFO L82 PathProgramCache]: Analyzing trace with hash -521948165, now seen corresponding path program 1 times [2019-10-15 00:56:11,638 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 00:56:11,638 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [353666354] [2019-10-15 00:56:11,638 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:56:11,638 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:56:11,639 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 00:56:11,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 00:56:11,911 INFO L134 CoverageAnalysis]: Checked inductivity of 548 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 548 trivial. 0 not checked. [2019-10-15 00:56:11,911 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [353666354] [2019-10-15 00:56:11,911 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 00:56:11,912 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 00:56:11,912 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [883382022] [2019-10-15 00:56:11,913 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 00:56:11,913 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 00:56:11,913 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 00:56:11,913 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 00:56:11,914 INFO L87 Difference]: Start difference. First operand 11020 states and 14174 transitions. Second operand 3 states. [2019-10-15 00:56:14,433 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 00:56:14,433 INFO L93 Difference]: Finished difference Result 21676 states and 27918 transitions. [2019-10-15 00:56:14,434 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 00:56:14,434 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 275 [2019-10-15 00:56:14,435 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 00:56:14,472 INFO L225 Difference]: With dead ends: 21676 [2019-10-15 00:56:14,472 INFO L226 Difference]: Without dead ends: 10627 [2019-10-15 00:56:14,513 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 [2019-10-15 00:56:14,525 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10627 states. [2019-10-15 00:56:14,835 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10627 to 10275. [2019-10-15 00:56:14,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10275 states. [2019-10-15 00:56:14,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10275 states to 10275 states and 13020 transitions. [2019-10-15 00:56:14,864 INFO L78 Accepts]: Start accepts. Automaton has 10275 states and 13020 transitions. Word has length 275 [2019-10-15 00:56:14,864 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 00:56:14,864 INFO L462 AbstractCegarLoop]: Abstraction has 10275 states and 13020 transitions. [2019-10-15 00:56:14,864 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 00:56:14,865 INFO L276 IsEmpty]: Start isEmpty. Operand 10275 states and 13020 transitions. [2019-10-15 00:56:14,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 303 [2019-10-15 00:56:14,870 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 00:56:14,870 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] [2019-10-15 00:56:14,871 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 00:56:14,871 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 00:56:14,871 INFO L82 PathProgramCache]: Analyzing trace with hash -441330120, now seen corresponding path program 1 times [2019-10-15 00:56:14,871 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 00:56:14,871 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1201212991] [2019-10-15 00:56:14,872 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:56:14,872 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:56:14,872 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 00:56:14,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 00:56:15,182 INFO L134 CoverageAnalysis]: Checked inductivity of 616 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2019-10-15 00:56:15,183 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1201212991] [2019-10-15 00:56:15,183 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 00:56:15,183 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 00:56:15,184 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1810215021] [2019-10-15 00:56:15,185 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 00:56:15,185 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 00:56:15,185 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 00:56:15,186 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 00:56:15,186 INFO L87 Difference]: Start difference. First operand 10275 states and 13020 transitions. Second operand 3 states.