/usr/bin/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-fb55353 [2019-11-07 00:17:58,955 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-07 00:17:58,958 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-07 00:17:58,977 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-07 00:17:58,977 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-07 00:17:58,979 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-07 00:17:58,981 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-07 00:17:58,991 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-07 00:17:58,992 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-07 00:17:58,996 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-07 00:17:58,997 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-07 00:17:59,000 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-07 00:17:59,000 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-07 00:17:59,001 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-07 00:17:59,002 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-07 00:17:59,006 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-07 00:17:59,007 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-07 00:17:59,008 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-07 00:17:59,010 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-07 00:17:59,016 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-07 00:17:59,018 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-07 00:17:59,022 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-07 00:17:59,025 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-07 00:17:59,026 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-07 00:17:59,028 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-07 00:17:59,028 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-07 00:17:59,028 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-07 00:17:59,029 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-07 00:17:59,029 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-07 00:17:59,032 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-07 00:17:59,033 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-07 00:17:59,033 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-07 00:17:59,034 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-07 00:17:59,036 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-07 00:17:59,040 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-07 00:17:59,040 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-07 00:17:59,041 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-07 00:17:59,041 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-07 00:17:59,042 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-07 00:17:59,042 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-07 00:17:59,043 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-07 00:17:59,044 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 [2019-11-07 00:17:59,063 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-07 00:17:59,063 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-07 00:17:59,067 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-07 00:17:59,067 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-07 00:17:59,067 INFO L138 SettingsManager]: * Use SBE=true [2019-11-07 00:17:59,068 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-07 00:17:59,068 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-07 00:17:59,068 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-07 00:17:59,068 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-07 00:17:59,068 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-07 00:17:59,068 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-07 00:17:59,069 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-07 00:17:59,069 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-07 00:17:59,069 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-07 00:17:59,069 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-07 00:17:59,069 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-07 00:17:59,069 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-07 00:17:59,070 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-07 00:17:59,070 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-07 00:17:59,070 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-07 00:17:59,070 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-07 00:17:59,071 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-07 00:17:59,071 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-07 00:17:59,071 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-07 00:17:59,071 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-07 00:17:59,071 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-07 00:17:59,072 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-07 00:17:59,072 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-07 00:17:59,072 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 [2019-11-07 00:17:59,354 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-07 00:17:59,376 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-07 00:17:59,379 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-07 00:17:59,381 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-07 00:17:59,382 INFO L275 PluginConnector]: CDTParser initialized [2019-11-07 00:17:59,383 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--input--mousedev.ko-entry_point.cil.out.i [2019-11-07 00:17:59,459 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7b3b96d0a/1db14c97a5de4341ba247e08aeecfe70/FLAGca2455431 [2019-11-07 00:18:00,242 INFO L306 CDTParser]: Found 1 translation units. [2019-11-07 00:18:00,242 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--input--mousedev.ko-entry_point.cil.out.i [2019-11-07 00:18:00,285 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7b3b96d0a/1db14c97a5de4341ba247e08aeecfe70/FLAGca2455431 [2019-11-07 00:18:00,346 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7b3b96d0a/1db14c97a5de4341ba247e08aeecfe70 [2019-11-07 00:18:00,354 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-07 00:18:00,356 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-11-07 00:18:00,357 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-07 00:18:00,357 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-07 00:18:00,361 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-07 00:18:00,362 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 12:18:00" (1/1) ... [2019-11-07 00:18:00,365 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1fcdf437 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:18:00, skipping insertion in model container [2019-11-07 00:18:00,365 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 12:18:00" (1/1) ... [2019-11-07 00:18:00,374 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-07 00:18:00,510 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-07 00:18:02,572 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 00:18:02,610 INFO L188 MainTranslator]: Completed pre-run [2019-11-07 00:18:02,926 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 00:18:03,240 INFO L192 MainTranslator]: Completed translation [2019-11-07 00:18:03,240 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:18:03 WrapperNode [2019-11-07 00:18:03,240 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-07 00:18:03,241 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-07 00:18:03,242 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-07 00:18:03,242 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-07 00:18:03,257 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:18:03" (1/1) ... [2019-11-07 00:18:03,258 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:18:03" (1/1) ... [2019-11-07 00:18:03,378 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:18:03" (1/1) ... [2019-11-07 00:18:03,379 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:18:03" (1/1) ... [2019-11-07 00:18:03,560 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:18:03" (1/1) ... [2019-11-07 00:18:03,585 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:18:03" (1/1) ... [2019-11-07 00:18:03,610 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:18:03" (1/1) ... [2019-11-07 00:18:03,657 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-07 00:18:03,658 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-07 00:18:03,658 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-07 00:18:03,658 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-07 00:18:03,660 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:18:03" (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 [2019-11-07 00:18:03,733 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-07 00:18:03,734 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-07 00:18:03,734 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~VOID [2019-11-07 00:18:03,734 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2019-11-07 00:18:03,735 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2019-11-07 00:18:03,735 INFO L138 BoogieDeclarations]: Found implementation of procedure __read_once_size [2019-11-07 00:18:03,735 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2019-11-07 00:18:03,735 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2019-11-07 00:18:03,736 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2019-11-07 00:18:03,736 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2019-11-07 00:18:03,736 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2019-11-07 00:18:03,736 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del_init [2019-11-07 00:18:03,737 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-11-07 00:18:03,737 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-11-07 00:18:03,737 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2019-11-07 00:18:03,737 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2019-11-07 00:18:03,737 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2019-11-07 00:18:03,738 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ptr [2019-11-07 00:18:03,738 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2019-11-07 00:18:03,739 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2019-11-07 00:18:03,739 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2019-11-07 00:18:03,740 INFO L138 BoogieDeclarations]: Found implementation of procedure __preempt_count_add [2019-11-07 00:18:03,740 INFO L138 BoogieDeclarations]: Found implementation of procedure __preempt_count_sub [2019-11-07 00:18:03,740 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2019-11-07 00:18:03,740 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2019-11-07 00:18:03,742 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2019-11-07 00:18:03,743 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2019-11-07 00:18:03,743 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2019-11-07 00:18:03,743 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2019-11-07 00:18:03,744 INFO L138 BoogieDeclarations]: Found implementation of procedure __rcu_read_lock [2019-11-07 00:18:03,744 INFO L138 BoogieDeclarations]: Found implementation of procedure __rcu_read_unlock [2019-11-07 00:18:03,744 INFO L138 BoogieDeclarations]: Found implementation of procedure synchronize_rcu [2019-11-07 00:18:03,744 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_lock_acquire [2019-11-07 00:18:03,744 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_lock_release [2019-11-07 00:18:03,745 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock [2019-11-07 00:18:03,745 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_unlock [2019-11-07 00:18:03,745 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail_rcu [2019-11-07 00:18:03,745 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del_rcu [2019-11-07 00:18:03,745 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2019-11-07 00:18:03,745 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2019-11-07 00:18:03,746 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2019-11-07 00:18:03,746 INFO L138 BoogieDeclarations]: Found implementation of procedure imajor [2019-11-07 00:18:03,746 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2019-11-07 00:18:03,746 INFO L138 BoogieDeclarations]: Found implementation of procedure poll_wait [2019-11-07 00:18:03,746 INFO L138 BoogieDeclarations]: Found implementation of procedure kobject_name [2019-11-07 00:18:03,746 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2019-11-07 00:18:03,747 INFO L138 BoogieDeclarations]: Found implementation of procedure input_get_device [2019-11-07 00:18:03,747 INFO L138 BoogieDeclarations]: Found implementation of procedure input_put_device [2019-11-07 00:18:03,747 INFO L138 BoogieDeclarations]: Found implementation of procedure input_abs_get_min [2019-11-07 00:18:03,747 INFO L138 BoogieDeclarations]: Found implementation of procedure input_abs_get_max [2019-11-07 00:18:03,747 INFO L138 BoogieDeclarations]: Found implementation of procedure mousedev_touchpad_event [2019-11-07 00:18:03,748 INFO L138 BoogieDeclarations]: Found implementation of procedure mousedev_abs_event [2019-11-07 00:18:03,748 INFO L138 BoogieDeclarations]: Found implementation of procedure mousedev_rel_event [2019-11-07 00:18:03,748 INFO L138 BoogieDeclarations]: Found implementation of procedure mousedev_key_event [2019-11-07 00:18:03,748 INFO L138 BoogieDeclarations]: Found implementation of procedure mousedev_notify_readers [2019-11-07 00:18:03,748 INFO L138 BoogieDeclarations]: Found implementation of procedure mousedev_touchpad_touch [2019-11-07 00:18:03,748 INFO L138 BoogieDeclarations]: Found implementation of procedure mousedev_event [2019-11-07 00:18:03,749 INFO L138 BoogieDeclarations]: Found implementation of procedure mousedev_fasync [2019-11-07 00:18:03,749 INFO L138 BoogieDeclarations]: Found implementation of procedure mousedev_free [2019-11-07 00:18:03,750 INFO L138 BoogieDeclarations]: Found implementation of procedure mousedev_open_device [2019-11-07 00:18:03,750 INFO L138 BoogieDeclarations]: Found implementation of procedure mousedev_close_device [2019-11-07 00:18:03,750 INFO L138 BoogieDeclarations]: Found implementation of procedure mixdev_open_devices [2019-11-07 00:18:03,751 INFO L138 BoogieDeclarations]: Found implementation of procedure mixdev_close_devices [2019-11-07 00:18:03,751 INFO L138 BoogieDeclarations]: Found implementation of procedure mousedev_attach_client [2019-11-07 00:18:03,752 INFO L138 BoogieDeclarations]: Found implementation of procedure mousedev_detach_client [2019-11-07 00:18:03,752 INFO L138 BoogieDeclarations]: Found implementation of procedure mousedev_release [2019-11-07 00:18:03,752 INFO L138 BoogieDeclarations]: Found implementation of procedure mousedev_open [2019-11-07 00:18:03,752 INFO L138 BoogieDeclarations]: Found implementation of procedure mousedev_limit_delta [2019-11-07 00:18:03,753 INFO L138 BoogieDeclarations]: Found implementation of procedure mousedev_packet [2019-11-07 00:18:03,753 INFO L138 BoogieDeclarations]: Found implementation of procedure mousedev_generate_response [2019-11-07 00:18:03,754 INFO L138 BoogieDeclarations]: Found implementation of procedure mousedev_write [2019-11-07 00:18:03,754 INFO L138 BoogieDeclarations]: Found implementation of procedure mousedev_read [2019-11-07 00:18:03,754 INFO L138 BoogieDeclarations]: Found implementation of procedure mousedev_poll [2019-11-07 00:18:03,755 INFO L138 BoogieDeclarations]: Found implementation of procedure mousedev_mark_dead [2019-11-07 00:18:03,755 INFO L138 BoogieDeclarations]: Found implementation of procedure mousedev_hangup [2019-11-07 00:18:03,756 INFO L138 BoogieDeclarations]: Found implementation of procedure mousedev_cleanup [2019-11-07 00:18:03,756 INFO L138 BoogieDeclarations]: Found implementation of procedure mousedev_reserve_minor [2019-11-07 00:18:03,757 INFO L138 BoogieDeclarations]: Found implementation of procedure mousedev_create [2019-11-07 00:18:03,757 INFO L138 BoogieDeclarations]: Found implementation of procedure mousedev_destroy [2019-11-07 00:18:03,757 INFO L138 BoogieDeclarations]: Found implementation of procedure mixdev_add_device [2019-11-07 00:18:03,758 INFO L138 BoogieDeclarations]: Found implementation of procedure mixdev_remove_device [2019-11-07 00:18:03,758 INFO L138 BoogieDeclarations]: Found implementation of procedure mousedev_connect [2019-11-07 00:18:03,759 INFO L138 BoogieDeclarations]: Found implementation of procedure mousedev_disconnect [2019-11-07 00:18:03,759 INFO L138 BoogieDeclarations]: Found implementation of procedure mousedev_psaux_register [2019-11-07 00:18:03,760 INFO L138 BoogieDeclarations]: Found implementation of procedure mousedev_psaux_unregister [2019-11-07 00:18:03,760 INFO L138 BoogieDeclarations]: Found implementation of procedure mousedev_init [2019-11-07 00:18:03,760 INFO L138 BoogieDeclarations]: Found implementation of procedure mousedev_exit [2019-11-07 00:18:03,761 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_file_operations_2 [2019-11-07 00:18:03,761 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_input_handler_1 [2019-11-07 00:18:03,761 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-07 00:18:03,761 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2019-11-07 00:18:03,761 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2019-11-07 00:18:03,762 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2019-11-07 00:18:03,762 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_5 [2019-11-07 00:18:03,762 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_6 [2019-11-07 00:18:03,762 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_7 [2019-11-07 00:18:03,762 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_8 [2019-11-07 00:18:03,763 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_9 [2019-11-07 00:18:03,763 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_10 [2019-11-07 00:18:03,763 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_11 [2019-11-07 00:18:03,763 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_12 [2019-11-07 00:18:03,763 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_13 [2019-11-07 00:18:03,763 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_14 [2019-11-07 00:18:03,764 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_15 [2019-11-07 00:18:03,764 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_16 [2019-11-07 00:18:03,764 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_17 [2019-11-07 00:18:03,764 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_18 [2019-11-07 00:18:03,764 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_19 [2019-11-07 00:18:03,765 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_20 [2019-11-07 00:18:03,765 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_21 [2019-11-07 00:18:03,765 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_cdev_del_22 [2019-11-07 00:18:03,765 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_cdev_init_23 [2019-11-07 00:18:03,765 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_24 [2019-11-07 00:18:03,765 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_25 [2019-11-07 00:18:03,766 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_26 [2019-11-07 00:18:03,766 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_27 [2019-11-07 00:18:03,767 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_misc_register_28 [2019-11-07 00:18:03,767 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_misc_deregister_29 [2019-11-07 00:18:03,767 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2019-11-07 00:18:03,767 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int_negative [2019-11-07 00:18:03,768 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2019-11-07 00:18:03,768 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2019-11-07 00:18:03,768 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2019-11-07 00:18:03,768 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2019-11-07 00:18:03,769 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_i_mutex_of_inode [2019-11-07 00:18:03,769 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_i_mutex_of_inode [2019-11-07 00:18:03,770 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_i_mutex_of_inode [2019-11-07 00:18:03,770 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_i_mutex_of_inode [2019-11-07 00:18:03,770 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_i_mutex_of_inode [2019-11-07 00:18:03,770 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_i_mutex_of_inode [2019-11-07 00:18:03,770 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_i_mutex_of_inode [2019-11-07 00:18:03,771 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_i_mutex_of_inode [2019-11-07 00:18:03,771 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_trylock_device_i_mutex_of_inode [2019-11-07 00:18:03,771 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_for_reset_i_mutex_of_inode [2019-11-07 00:18:03,772 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_unlock_device_i_mutex_of_inode [2019-11-07 00:18:03,772 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_lock [2019-11-07 00:18:03,773 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_lock [2019-11-07 00:18:03,777 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock [2019-11-07 00:18:03,777 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_lock [2019-11-07 00:18:03,777 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_lock [2019-11-07 00:18:03,778 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_lock [2019-11-07 00:18:03,778 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock [2019-11-07 00:18:03,778 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_lock [2019-11-07 00:18:03,778 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_trylock_device_lock [2019-11-07 00:18:03,785 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_for_reset_lock [2019-11-07 00:18:03,785 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_unlock_device_lock [2019-11-07 00:18:03,785 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_mutex_of_device [2019-11-07 00:18:03,785 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_mutex_of_device [2019-11-07 00:18:03,786 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mutex_of_device [2019-11-07 00:18:03,787 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_mutex_of_device [2019-11-07 00:18:03,787 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2019-11-07 00:18:03,787 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_mutex_of_device [2019-11-07 00:18:03,788 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex_of_device [2019-11-07 00:18:03,788 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_mutex_of_device [2019-11-07 00:18:03,788 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_trylock_device_mutex_of_device [2019-11-07 00:18:03,789 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_for_reset_mutex_of_device [2019-11-07 00:18:03,789 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_unlock_device_mutex_of_device [2019-11-07 00:18:03,789 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_mutex_of_mousedev [2019-11-07 00:18:03,789 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_mutex_of_mousedev [2019-11-07 00:18:03,790 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mutex_of_mousedev [2019-11-07 00:18:03,790 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_mutex_of_mousedev [2019-11-07 00:18:03,790 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_mousedev [2019-11-07 00:18:03,790 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_mutex_of_mousedev [2019-11-07 00:18:03,790 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex_of_mousedev [2019-11-07 00:18:03,791 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_mutex_of_mousedev [2019-11-07 00:18:03,791 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_trylock_device_mutex_of_mousedev [2019-11-07 00:18:03,791 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_for_reset_mutex_of_mousedev [2019-11-07 00:18:03,791 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_unlock_device_mutex_of_mousedev [2019-11-07 00:18:03,791 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-11-07 00:18:03,792 INFO L138 BoogieDeclarations]: Found implementation of procedure __copy_to_user_overflow [2019-11-07 00:18:03,792 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2019-11-07 00:18:03,792 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2019-11-07 00:18:03,792 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add_rcu [2019-11-07 00:18:03,792 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_del_entry [2019-11-07 00:18:03,793 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_fault [2019-11-07 00:18:03,793 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_sleep [2019-11-07 00:18:03,793 INFO L138 BoogieDeclarations]: Found implementation of procedure __msecs_to_jiffies [2019-11-07 00:18:03,793 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2019-11-07 00:18:03,793 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2019-11-07 00:18:03,793 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2019-11-07 00:18:03,794 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2019-11-07 00:18:03,794 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock [2019-11-07 00:18:03,794 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irq [2019-11-07 00:18:03,794 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock [2019-11-07 00:18:03,794 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irq [2019-11-07 00:18:03,794 INFO L138 BoogieDeclarations]: Found implementation of procedure cdev_add [2019-11-07 00:18:03,795 INFO L138 BoogieDeclarations]: Found implementation of procedure cdev_del [2019-11-07 00:18:03,795 INFO L138 BoogieDeclarations]: Found implementation of procedure cdev_init [2019-11-07 00:18:03,795 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2019-11-07 00:18:03,795 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_name [2019-11-07 00:18:03,795 INFO L138 BoogieDeclarations]: Found implementation of procedure device_add [2019-11-07 00:18:03,795 INFO L138 BoogieDeclarations]: Found implementation of procedure device_del [2019-11-07 00:18:03,796 INFO L138 BoogieDeclarations]: Found implementation of procedure device_initialize [2019-11-07 00:18:03,796 INFO L138 BoogieDeclarations]: Found implementation of procedure fasync_helper [2019-11-07 00:18:03,796 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2019-11-07 00:18:03,796 INFO L138 BoogieDeclarations]: Found implementation of procedure get_device [2019-11-07 00:18:03,796 INFO L138 BoogieDeclarations]: Found implementation of procedure input_close_device [2019-11-07 00:18:03,796 INFO L138 BoogieDeclarations]: Found implementation of procedure input_free_minor [2019-11-07 00:18:03,797 INFO L138 BoogieDeclarations]: Found implementation of procedure input_get_new_minor [2019-11-07 00:18:03,797 INFO L138 BoogieDeclarations]: Found implementation of procedure input_open_device [2019-11-07 00:18:03,797 INFO L138 BoogieDeclarations]: Found implementation of procedure input_register_handle [2019-11-07 00:18:03,797 INFO L138 BoogieDeclarations]: Found implementation of procedure input_register_handler [2019-11-07 00:18:03,797 INFO L138 BoogieDeclarations]: Found implementation of procedure input_unregister_handle [2019-11-07 00:18:03,797 INFO L138 BoogieDeclarations]: Found implementation of procedure input_unregister_handler [2019-11-07 00:18:03,798 INFO L138 BoogieDeclarations]: Found implementation of procedure kill_fasync [2019-11-07 00:18:03,798 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_bind_1 [2019-11-07 00:18:03,799 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-11-07 00:18:03,799 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_1 [2019-11-07 00:18:03,801 INFO L138 BoogieDeclarations]: Found implementation of procedure lock_acquire [2019-11-07 00:18:03,801 INFO L138 BoogieDeclarations]: Found implementation of procedure lock_release [2019-11-07 00:18:03,801 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2019-11-07 00:18:03,801 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_suspicious [2019-11-07 00:18:03,802 INFO L138 BoogieDeclarations]: Found implementation of procedure misc_deregister [2019-11-07 00:18:03,802 INFO L138 BoogieDeclarations]: Found implementation of procedure misc_register [2019-11-07 00:18:03,802 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2019-11-07 00:18:03,802 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_interruptible [2019-11-07 00:18:03,803 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_trylock [2019-11-07 00:18:03,803 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2019-11-07 00:18:03,803 INFO L138 BoogieDeclarations]: Found implementation of procedure nonseekable_open [2019-11-07 00:18:03,803 INFO L138 BoogieDeclarations]: Found implementation of procedure noop_llseek [2019-11-07 00:18:03,803 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait_event [2019-11-07 00:18:03,804 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2019-11-07 00:18:03,804 INFO L138 BoogieDeclarations]: Found implementation of procedure put_device [2019-11-07 00:18:03,804 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_is_watching [2019-11-07 00:18:03,804 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2019-11-07 00:18:03,805 INFO L138 BoogieDeclarations]: Found implementation of procedure synchronize_sched [2019-11-07 00:18:03,805 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-11-07 00:18:03,805 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-11-07 00:18:03,805 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-11-07 00:18:03,805 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-11-07 00:18:03,805 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-11-07 00:18:03,806 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-07 00:18:03,806 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2019-11-07 00:18:03,806 INFO L130 BoogieDeclarations]: Found specification of procedure __read_once_size [2019-11-07 00:18:03,806 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-11-07 00:18:03,806 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-07 00:18:03,806 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-07 00:18:03,807 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2019-11-07 00:18:03,807 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2019-11-07 00:18:03,807 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2019-11-07 00:18:03,807 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2019-11-07 00:18:03,807 INFO L130 BoogieDeclarations]: Found specification of procedure __might_sleep [2019-11-07 00:18:03,807 INFO L130 BoogieDeclarations]: Found specification of procedure __might_fault [2019-11-07 00:18:03,808 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2019-11-07 00:18:03,808 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2019-11-07 00:18:03,808 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2019-11-07 00:18:03,808 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2019-11-07 00:18:03,808 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2019-11-07 00:18:03,808 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-07 00:18:03,809 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2019-11-07 00:18:03,809 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2019-11-07 00:18:03,809 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-07 00:18:03,809 INFO L130 BoogieDeclarations]: Found specification of procedure __list_del_entry [2019-11-07 00:18:03,809 INFO L130 BoogieDeclarations]: Found specification of procedure list_del_init [2019-11-07 00:18:03,809 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-11-07 00:18:03,810 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-11-07 00:18:03,810 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2019-11-07 00:18:03,810 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2019-11-07 00:18:03,810 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2019-11-07 00:18:03,810 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2019-11-07 00:18:03,810 INFO L130 BoogieDeclarations]: Found specification of procedure lock_acquire [2019-11-07 00:18:03,810 INFO L130 BoogieDeclarations]: Found specification of procedure lock_release [2019-11-07 00:18:03,811 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_suspicious [2019-11-07 00:18:03,812 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2019-11-07 00:18:03,816 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_trylock [2019-11-07 00:18:03,816 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_10 [2019-11-07 00:18:03,816 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2019-11-07 00:18:03,816 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_5 [2019-11-07 00:18:03,816 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_8 [2019-11-07 00:18:03,817 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_11 [2019-11-07 00:18:03,817 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_13 [2019-11-07 00:18:03,817 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_15 [2019-11-07 00:18:03,819 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_17 [2019-11-07 00:18:03,882 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_19 [2019-11-07 00:18:03,883 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_21 [2019-11-07 00:18:03,883 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_25 [2019-11-07 00:18:03,883 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_27 [2019-11-07 00:18:03,883 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-11-07 00:18:03,883 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-11-07 00:18:03,883 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-07 00:18:03,883 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-11-07 00:18:03,883 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-11-07 00:18:03,884 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-11-07 00:18:03,884 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-11-07 00:18:03,884 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-07 00:18:03,884 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-11-07 00:18:03,884 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-11-07 00:18:03,884 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2019-11-07 00:18:03,884 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2019-11-07 00:18:03,884 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-11-07 00:18:03,884 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2019-11-07 00:18:03,885 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ptr [2019-11-07 00:18:03,885 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2019-11-07 00:18:03,885 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2019-11-07 00:18:03,885 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_interruptible [2019-11-07 00:18:03,885 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_12 [2019-11-07 00:18:03,885 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_16 [2019-11-07 00:18:03,886 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_24 [2019-11-07 00:18:03,886 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2019-11-07 00:18:03,886 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_6 [2019-11-07 00:18:03,886 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_7 [2019-11-07 00:18:03,886 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_9 [2019-11-07 00:18:03,886 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_14 [2019-11-07 00:18:03,886 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_18 [2019-11-07 00:18:03,886 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_20 [2019-11-07 00:18:03,886 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_26 [2019-11-07 00:18:03,887 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_i_mutex_of_inode [2019-11-07 00:18:03,887 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_i_mutex_of_inode [2019-11-07 00:18:03,887 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock [2019-11-07 00:18:03,887 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock [2019-11-07 00:18:03,887 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mutex_of_device [2019-11-07 00:18:03,887 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_mutex_of_device [2019-11-07 00:18:03,887 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex_of_device [2019-11-07 00:18:03,887 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_mutex_of_mousedev [2019-11-07 00:18:03,887 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mutex_of_mousedev [2019-11-07 00:18:03,888 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex_of_mousedev [2019-11-07 00:18:03,888 INFO L130 BoogieDeclarations]: Found specification of procedure __preempt_count_add [2019-11-07 00:18:03,888 INFO L130 BoogieDeclarations]: Found specification of procedure __preempt_count_sub [2019-11-07 00:18:03,888 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2019-11-07 00:18:03,888 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock [2019-11-07 00:18:03,888 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irq [2019-11-07 00:18:03,888 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock [2019-11-07 00:18:03,888 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irq [2019-11-07 00:18:03,888 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2019-11-07 00:18:03,889 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2019-11-07 00:18:03,889 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2019-11-07 00:18:03,889 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2019-11-07 00:18:03,889 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2019-11-07 00:18:03,889 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2019-11-07 00:18:03,889 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2019-11-07 00:18:03,889 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait_event [2019-11-07 00:18:03,889 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2019-11-07 00:18:03,889 INFO L130 BoogieDeclarations]: Found specification of procedure __msecs_to_jiffies [2019-11-07 00:18:03,890 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2019-11-07 00:18:03,890 INFO L130 BoogieDeclarations]: Found specification of procedure synchronize_sched [2019-11-07 00:18:03,890 INFO L130 BoogieDeclarations]: Found specification of procedure __rcu_read_lock [2019-11-07 00:18:03,890 INFO L130 BoogieDeclarations]: Found specification of procedure __rcu_read_unlock [2019-11-07 00:18:03,890 INFO L130 BoogieDeclarations]: Found specification of procedure synchronize_rcu [2019-11-07 00:18:03,890 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_is_watching [2019-11-07 00:18:03,890 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_lock_acquire [2019-11-07 00:18:03,890 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_lock_release [2019-11-07 00:18:03,890 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2019-11-07 00:18:03,891 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock [2019-11-07 00:18:03,891 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-07 00:18:03,891 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_unlock [2019-11-07 00:18:03,891 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add_rcu [2019-11-07 00:18:03,891 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail_rcu [2019-11-07 00:18:03,891 INFO L130 BoogieDeclarations]: Found specification of procedure list_del_rcu [2019-11-07 00:18:03,891 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2019-11-07 00:18:03,891 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-11-07 00:18:03,891 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2019-11-07 00:18:03,892 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2019-11-07 00:18:03,892 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2019-11-07 00:18:03,892 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_file_operations_2 [2019-11-07 00:18:03,892 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_input_handler_1 [2019-11-07 00:18:03,892 INFO L130 BoogieDeclarations]: Found specification of procedure imajor [2019-11-07 00:18:03,892 INFO L130 BoogieDeclarations]: Found specification of procedure fasync_helper [2019-11-07 00:18:03,892 INFO L130 BoogieDeclarations]: Found specification of procedure kill_fasync [2019-11-07 00:18:03,892 INFO L130 BoogieDeclarations]: Found specification of procedure noop_llseek [2019-11-07 00:18:03,892 INFO L130 BoogieDeclarations]: Found specification of procedure nonseekable_open [2019-11-07 00:18:03,893 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2019-11-07 00:18:03,893 INFO L130 BoogieDeclarations]: Found specification of procedure __copy_to_user_overflow [2019-11-07 00:18:03,893 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2019-11-07 00:18:03,893 INFO L130 BoogieDeclarations]: Found specification of procedure poll_wait [2019-11-07 00:18:03,893 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~VOID [2019-11-07 00:18:03,893 INFO L130 BoogieDeclarations]: Found specification of procedure kobject_name [2019-11-07 00:18:03,893 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2019-11-07 00:18:03,893 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_name [2019-11-07 00:18:03,893 INFO L130 BoogieDeclarations]: Found specification of procedure device_initialize [2019-11-07 00:18:03,894 INFO L130 BoogieDeclarations]: Found specification of procedure device_add [2019-11-07 00:18:03,894 INFO L130 BoogieDeclarations]: Found specification of procedure device_del [2019-11-07 00:18:03,894 INFO L130 BoogieDeclarations]: Found specification of procedure get_device [2019-11-07 00:18:03,894 INFO L130 BoogieDeclarations]: Found specification of procedure put_device [2019-11-07 00:18:03,894 INFO L130 BoogieDeclarations]: Found specification of procedure input_get_device [2019-11-07 00:18:03,894 INFO L130 BoogieDeclarations]: Found specification of procedure input_put_device [2019-11-07 00:18:03,894 INFO L130 BoogieDeclarations]: Found specification of procedure input_register_handler [2019-11-07 00:18:03,894 INFO L130 BoogieDeclarations]: Found specification of procedure input_unregister_handler [2019-11-07 00:18:03,894 INFO L130 BoogieDeclarations]: Found specification of procedure input_get_new_minor [2019-11-07 00:18:03,895 INFO L130 BoogieDeclarations]: Found specification of procedure input_free_minor [2019-11-07 00:18:03,895 INFO L130 BoogieDeclarations]: Found specification of procedure input_register_handle [2019-11-07 00:18:03,895 INFO L130 BoogieDeclarations]: Found specification of procedure input_unregister_handle [2019-11-07 00:18:03,895 INFO L130 BoogieDeclarations]: Found specification of procedure input_open_device [2019-11-07 00:18:03,895 INFO L130 BoogieDeclarations]: Found specification of procedure input_close_device [2019-11-07 00:18:03,895 INFO L130 BoogieDeclarations]: Found specification of procedure input_abs_get_min [2019-11-07 00:18:03,895 INFO L130 BoogieDeclarations]: Found specification of procedure input_abs_get_max [2019-11-07 00:18:03,896 INFO L130 BoogieDeclarations]: Found specification of procedure cdev_init [2019-11-07 00:18:03,896 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_cdev_init_23 [2019-11-07 00:18:03,896 INFO L130 BoogieDeclarations]: Found specification of procedure cdev_add [2019-11-07 00:18:03,896 INFO L130 BoogieDeclarations]: Found specification of procedure cdev_del [2019-11-07 00:18:03,896 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_cdev_del_22 [2019-11-07 00:18:03,896 INFO L130 BoogieDeclarations]: Found specification of procedure mousedev_touchpad_event [2019-11-07 00:18:03,896 INFO L130 BoogieDeclarations]: Found specification of procedure mousedev_abs_event [2019-11-07 00:18:03,896 INFO L130 BoogieDeclarations]: Found specification of procedure mousedev_rel_event [2019-11-07 00:18:03,897 INFO L130 BoogieDeclarations]: Found specification of procedure mousedev_key_event [2019-11-07 00:18:03,897 INFO L130 BoogieDeclarations]: Found specification of procedure mousedev_notify_readers [2019-11-07 00:18:03,897 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-07 00:18:03,897 INFO L130 BoogieDeclarations]: Found specification of procedure mousedev_touchpad_touch [2019-11-07 00:18:03,897 INFO L130 BoogieDeclarations]: Found specification of procedure mousedev_event [2019-11-07 00:18:03,898 INFO L130 BoogieDeclarations]: Found specification of procedure mousedev_fasync [2019-11-07 00:18:03,899 INFO L130 BoogieDeclarations]: Found specification of procedure mousedev_free [2019-11-07 00:18:03,899 INFO L130 BoogieDeclarations]: Found specification of procedure mousedev_open_device [2019-11-07 00:18:03,899 INFO L130 BoogieDeclarations]: Found specification of procedure mousedev_close_device [2019-11-07 00:18:03,899 INFO L130 BoogieDeclarations]: Found specification of procedure mixdev_open_devices [2019-11-07 00:18:03,900 INFO L130 BoogieDeclarations]: Found specification of procedure mixdev_close_devices [2019-11-07 00:18:03,900 INFO L130 BoogieDeclarations]: Found specification of procedure mousedev_attach_client [2019-11-07 00:18:03,900 INFO L130 BoogieDeclarations]: Found specification of procedure mousedev_detach_client [2019-11-07 00:18:03,900 INFO L130 BoogieDeclarations]: Found specification of procedure mousedev_release [2019-11-07 00:18:03,900 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2019-11-07 00:18:03,900 INFO L130 BoogieDeclarations]: Found specification of procedure mousedev_open [2019-11-07 00:18:03,900 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2019-11-07 00:18:03,901 INFO L130 BoogieDeclarations]: Found specification of procedure mousedev_limit_delta [2019-11-07 00:18:03,901 INFO L130 BoogieDeclarations]: Found specification of procedure mousedev_packet [2019-11-07 00:18:03,901 INFO L130 BoogieDeclarations]: Found specification of procedure mousedev_generate_response [2019-11-07 00:18:03,901 INFO L130 BoogieDeclarations]: Found specification of procedure mousedev_write [2019-11-07 00:18:03,901 INFO L130 BoogieDeclarations]: Found specification of procedure mousedev_read [2019-11-07 00:18:03,901 INFO L130 BoogieDeclarations]: Found specification of procedure mousedev_poll [2019-11-07 00:18:03,901 INFO L130 BoogieDeclarations]: Found specification of procedure mousedev_mark_dead [2019-11-07 00:18:03,901 INFO L130 BoogieDeclarations]: Found specification of procedure mousedev_hangup [2019-11-07 00:18:03,902 INFO L130 BoogieDeclarations]: Found specification of procedure mousedev_cleanup [2019-11-07 00:18:03,902 INFO L130 BoogieDeclarations]: Found specification of procedure mousedev_reserve_minor [2019-11-07 00:18:03,902 INFO L130 BoogieDeclarations]: Found specification of procedure mousedev_create [2019-11-07 00:18:03,902 INFO L130 BoogieDeclarations]: Found specification of procedure mousedev_destroy [2019-11-07 00:18:03,902 INFO L130 BoogieDeclarations]: Found specification of procedure mixdev_add_device [2019-11-07 00:18:03,902 INFO L130 BoogieDeclarations]: Found specification of procedure mixdev_remove_device [2019-11-07 00:18:03,902 INFO L130 BoogieDeclarations]: Found specification of procedure mousedev_connect [2019-11-07 00:18:03,903 INFO L130 BoogieDeclarations]: Found specification of procedure mousedev_disconnect [2019-11-07 00:18:03,903 INFO L130 BoogieDeclarations]: Found specification of procedure misc_register [2019-11-07 00:18:03,903 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_misc_register_28 [2019-11-07 00:18:03,903 INFO L130 BoogieDeclarations]: Found specification of procedure misc_deregister [2019-11-07 00:18:03,903 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_misc_deregister_29 [2019-11-07 00:18:03,903 INFO L130 BoogieDeclarations]: Found specification of procedure mousedev_psaux_register [2019-11-07 00:18:03,903 INFO L130 BoogieDeclarations]: Found specification of procedure mousedev_psaux_unregister [2019-11-07 00:18:03,903 INFO L130 BoogieDeclarations]: Found specification of procedure mousedev_init [2019-11-07 00:18:03,904 INFO L130 BoogieDeclarations]: Found specification of procedure mousedev_exit [2019-11-07 00:18:03,904 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-11-07 00:18:03,904 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-11-07 00:18:03,904 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_1 [2019-11-07 00:18:03,904 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_bind_1 [2019-11-07 00:18:03,904 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-07 00:18:03,904 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2019-11-07 00:18:03,904 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int_negative [2019-11-07 00:18:03,905 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2019-11-07 00:18:03,905 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_i_mutex_of_inode [2019-11-07 00:18:03,905 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_i_mutex_of_inode [2019-11-07 00:18:03,905 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_i_mutex_of_inode [2019-11-07 00:18:03,905 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_i_mutex_of_inode [2019-11-07 00:18:03,905 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_i_mutex_of_inode [2019-11-07 00:18:03,905 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_i_mutex_of_inode [2019-11-07 00:18:03,905 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_trylock_device_i_mutex_of_inode [2019-11-07 00:18:03,906 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_for_reset_i_mutex_of_inode [2019-11-07 00:18:03,906 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_unlock_device_i_mutex_of_inode [2019-11-07 00:18:03,906 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_lock [2019-11-07 00:18:03,906 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_lock [2019-11-07 00:18:03,906 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_lock [2019-11-07 00:18:03,906 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_lock [2019-11-07 00:18:03,906 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_lock [2019-11-07 00:18:03,906 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_lock [2019-11-07 00:18:03,907 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_trylock_device_lock [2019-11-07 00:18:03,907 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_for_reset_lock [2019-11-07 00:18:03,907 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_unlock_device_lock [2019-11-07 00:18:03,907 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_mutex_of_device [2019-11-07 00:18:03,907 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_mutex_of_device [2019-11-07 00:18:03,907 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2019-11-07 00:18:03,907 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_mutex_of_device [2019-11-07 00:18:03,907 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_mutex_of_device [2019-11-07 00:18:03,907 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_trylock_device_mutex_of_device [2019-11-07 00:18:03,908 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_for_reset_mutex_of_device [2019-11-07 00:18:03,908 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_unlock_device_mutex_of_device [2019-11-07 00:18:03,908 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_mutex_of_mousedev [2019-11-07 00:18:03,908 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_mutex_of_mousedev [2019-11-07 00:18:03,908 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_mousedev [2019-11-07 00:18:03,908 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_mutex_of_mousedev [2019-11-07 00:18:03,908 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_mutex_of_mousedev [2019-11-07 00:18:03,908 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_trylock_device_mutex_of_mousedev [2019-11-07 00:18:03,908 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_for_reset_mutex_of_mousedev [2019-11-07 00:18:03,909 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_unlock_device_mutex_of_mousedev [2019-11-07 00:18:03,909 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-11-07 00:18:03,909 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2019-11-07 00:18:03,909 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-11-07 00:18:03,909 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-11-07 00:18:03,909 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-07 00:18:03,909 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-07 00:18:03,909 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-11-07 00:18:03,910 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-07 00:18:03,910 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-11-07 00:18:03,910 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-11-07 00:18:03,910 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2019-11-07 00:18:03,910 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2019-11-07 00:18:04,855 INFO L688 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2019-11-07 00:18:10,140 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-07 00:18:10,141 INFO L284 CfgBuilder]: Removed 0 assume(true) statements. [2019-11-07 00:18:10,143 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 12:18:10 BoogieIcfgContainer [2019-11-07 00:18:10,143 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-07 00:18:10,144 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-07 00:18:10,144 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-07 00:18:10,148 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-07 00:18:10,148 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 12:18:00" (1/3) ... [2019-11-07 00:18:10,149 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@22bc9a99 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 12:18:10, skipping insertion in model container [2019-11-07 00:18:10,149 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:18:03" (2/3) ... [2019-11-07 00:18:10,150 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@22bc9a99 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 12:18:10, skipping insertion in model container [2019-11-07 00:18:10,150 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 12:18:10" (3/3) ... [2019-11-07 00:18:10,153 INFO L109 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-32_7a-drivers--input--mousedev.ko-entry_point.cil.out.i [2019-11-07 00:18:10,163 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-07 00:18:10,175 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-07 00:18:10,187 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-07 00:18:10,228 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-07 00:18:10,228 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-07 00:18:10,228 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-07 00:18:10,228 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-07 00:18:10,228 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-07 00:18:10,228 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-07 00:18:10,229 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-07 00:18:10,229 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-07 00:18:10,278 INFO L276 IsEmpty]: Start isEmpty. Operand 1554 states. [2019-11-07 00:18:10,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2019-11-07 00:18:10,297 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 00:18:10,298 INFO L410 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] [2019-11-07 00:18:10,301 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 00:18:10,305 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 00:18:10,305 INFO L82 PathProgramCache]: Analyzing trace with hash -1179486101, now seen corresponding path program 1 times [2019-11-07 00:18:10,315 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 00:18:10,315 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [70875857] [2019-11-07 00:18:10,316 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 00:18:10,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 00:18:11,149 INFO L134 CoverageAnalysis]: Checked inductivity of 548 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 548 trivial. 0 not checked. [2019-11-07 00:18:11,150 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [70875857] [2019-11-07 00:18:11,150 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 00:18:11,151 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-07 00:18:11,152 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [20977583] [2019-11-07 00:18:11,157 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-07 00:18:11,158 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 00:18:11,172 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-07 00:18:11,173 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-07 00:18:11,175 INFO L87 Difference]: Start difference. First operand 1554 states. Second operand 3 states. [2019-11-07 00:18:11,588 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 00:18:11,588 INFO L93 Difference]: Finished difference Result 3508 states and 4577 transitions. [2019-11-07 00:18:11,590 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-07 00:18:11,591 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 206 [2019-11-07 00:18:11,593 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 00:18:11,625 INFO L225 Difference]: With dead ends: 3508 [2019-11-07 00:18:11,625 INFO L226 Difference]: Without dead ends: 2194 [2019-11-07 00:18:11,636 INFO L630 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 [2019-11-07 00:18:11,659 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2194 states. [2019-11-07 00:18:11,958 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2194 to 2179. [2019-11-07 00:18:11,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2179 states. [2019-11-07 00:18:11,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2179 states to 2179 states and 2746 transitions. [2019-11-07 00:18:11,980 INFO L78 Accepts]: Start accepts. Automaton has 2179 states and 2746 transitions. Word has length 206 [2019-11-07 00:18:11,985 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 00:18:11,985 INFO L462 AbstractCegarLoop]: Abstraction has 2179 states and 2746 transitions. [2019-11-07 00:18:11,985 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-07 00:18:11,986 INFO L276 IsEmpty]: Start isEmpty. Operand 2179 states and 2746 transitions. [2019-11-07 00:18:12,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2019-11-07 00:18:12,000 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 00:18:12,001 INFO L410 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] [2019-11-07 00:18:12,001 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 00:18:12,001 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 00:18:12,002 INFO L82 PathProgramCache]: Analyzing trace with hash 253085707, now seen corresponding path program 1 times [2019-11-07 00:18:12,002 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 00:18:12,002 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [449740658] [2019-11-07 00:18:12,002 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 00:18:12,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 00:18:12,402 INFO L134 CoverageAnalysis]: Checked inductivity of 548 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 548 trivial. 0 not checked. [2019-11-07 00:18:12,403 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [449740658] [2019-11-07 00:18:12,404 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 00:18:12,404 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-07 00:18:12,405 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1882155074] [2019-11-07 00:18:12,409 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-07 00:18:12,410 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 00:18:12,410 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-07 00:18:12,411 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-07 00:18:12,412 INFO L87 Difference]: Start difference. First operand 2179 states and 2746 transitions. Second operand 3 states. [2019-11-07 00:18:14,650 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 00:18:14,650 INFO L93 Difference]: Finished difference Result 6146 states and 7762 transitions. [2019-11-07 00:18:14,651 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-07 00:18:14,651 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 220 [2019-11-07 00:18:14,652 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 00:18:14,677 INFO L225 Difference]: With dead ends: 6146 [2019-11-07 00:18:14,677 INFO L226 Difference]: Without dead ends: 4019 [2019-11-07 00:18:14,687 INFO L630 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 [2019-11-07 00:18:14,693 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4019 states. [2019-11-07 00:18:14,843 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4019 to 4014. [2019-11-07 00:18:14,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4014 states. [2019-11-07 00:18:14,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4014 states to 4014 states and 5075 transitions. [2019-11-07 00:18:14,879 INFO L78 Accepts]: Start accepts. Automaton has 4014 states and 5075 transitions. Word has length 220 [2019-11-07 00:18:14,880 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 00:18:14,880 INFO L462 AbstractCegarLoop]: Abstraction has 4014 states and 5075 transitions. [2019-11-07 00:18:14,880 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-07 00:18:14,880 INFO L276 IsEmpty]: Start isEmpty. Operand 4014 states and 5075 transitions. [2019-11-07 00:18:14,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 253 [2019-11-07 00:18:14,887 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 00:18:14,887 INFO L410 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] [2019-11-07 00:18:14,887 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 00:18:14,888 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 00:18:14,888 INFO L82 PathProgramCache]: Analyzing trace with hash -662833919, now seen corresponding path program 1 times [2019-11-07 00:18:14,888 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 00:18:14,888 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1753112559] [2019-11-07 00:18:14,888 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 00:18:15,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 00:18:15,283 INFO L134 CoverageAnalysis]: Checked inductivity of 548 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 548 trivial. 0 not checked. [2019-11-07 00:18:15,284 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1753112559] [2019-11-07 00:18:15,284 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 00:18:15,284 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-07 00:18:15,284 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [367863743] [2019-11-07 00:18:15,285 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-07 00:18:15,285 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 00:18:15,286 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-07 00:18:15,286 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-07 00:18:15,286 INFO L87 Difference]: Start difference. First operand 4014 states and 5075 transitions. Second operand 3 states. [2019-11-07 00:18:15,607 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 00:18:15,608 INFO L93 Difference]: Finished difference Result 9985 states and 12611 transitions. [2019-11-07 00:18:15,608 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-07 00:18:15,608 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 252 [2019-11-07 00:18:15,609 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 00:18:15,654 INFO L225 Difference]: With dead ends: 9985 [2019-11-07 00:18:15,655 INFO L226 Difference]: Without dead ends: 6031 [2019-11-07 00:18:15,675 INFO L630 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 [2019-11-07 00:18:15,686 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6031 states. [2019-11-07 00:18:16,101 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6031 to 5912. [2019-11-07 00:18:16,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5912 states. [2019-11-07 00:18:16,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5912 states to 5912 states and 7474 transitions. [2019-11-07 00:18:16,129 INFO L78 Accepts]: Start accepts. Automaton has 5912 states and 7474 transitions. Word has length 252 [2019-11-07 00:18:16,130 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 00:18:16,130 INFO L462 AbstractCegarLoop]: Abstraction has 5912 states and 7474 transitions. [2019-11-07 00:18:16,130 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-07 00:18:16,130 INFO L276 IsEmpty]: Start isEmpty. Operand 5912 states and 7474 transitions. [2019-11-07 00:18:16,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 257 [2019-11-07 00:18:16,134 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 00:18:16,134 INFO L410 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] [2019-11-07 00:18:16,134 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 00:18:16,135 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 00:18:16,135 INFO L82 PathProgramCache]: Analyzing trace with hash 564865209, now seen corresponding path program 1 times [2019-11-07 00:18:16,135 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 00:18:16,135 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1845623737] [2019-11-07 00:18:16,136 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 00:18:16,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 00:18:16,440 INFO L134 CoverageAnalysis]: Checked inductivity of 548 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 548 trivial. 0 not checked. [2019-11-07 00:18:16,440 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1845623737] [2019-11-07 00:18:16,441 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 00:18:16,441 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-07 00:18:16,441 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [711582227] [2019-11-07 00:18:16,442 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-07 00:18:16,442 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 00:18:16,442 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-07 00:18:16,442 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-07 00:18:16,443 INFO L87 Difference]: Start difference. First operand 5912 states and 7474 transitions. Second operand 3 states. [2019-11-07 00:18:16,593 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 00:18:16,593 INFO L93 Difference]: Finished difference Result 5914 states and 7475 transitions. [2019-11-07 00:18:16,593 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-07 00:18:16,594 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 256 [2019-11-07 00:18:16,594 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 00:18:16,638 INFO L225 Difference]: With dead ends: 5914 [2019-11-07 00:18:16,638 INFO L226 Difference]: Without dead ends: 5911 [2019-11-07 00:18:16,649 INFO L630 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 [2019-11-07 00:18:16,658 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5911 states. [2019-11-07 00:18:17,748 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5911 to 5911. [2019-11-07 00:18:17,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5911 states. [2019-11-07 00:18:17,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5911 states to 5911 states and 7472 transitions. [2019-11-07 00:18:17,774 INFO L78 Accepts]: Start accepts. Automaton has 5911 states and 7472 transitions. Word has length 256 [2019-11-07 00:18:17,777 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 00:18:17,778 INFO L462 AbstractCegarLoop]: Abstraction has 5911 states and 7472 transitions. [2019-11-07 00:18:17,778 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-07 00:18:17,778 INFO L276 IsEmpty]: Start isEmpty. Operand 5911 states and 7472 transitions. [2019-11-07 00:18:17,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 261 [2019-11-07 00:18:17,783 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 00:18:17,783 INFO L410 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] [2019-11-07 00:18:17,784 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 00:18:17,784 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 00:18:17,784 INFO L82 PathProgramCache]: Analyzing trace with hash -713264524, now seen corresponding path program 1 times [2019-11-07 00:18:17,784 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 00:18:17,784 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [159135917] [2019-11-07 00:18:17,785 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 00:18:17,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 00:18:18,165 INFO L134 CoverageAnalysis]: Checked inductivity of 548 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 548 trivial. 0 not checked. [2019-11-07 00:18:18,166 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [159135917] [2019-11-07 00:18:18,166 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 00:18:18,166 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-07 00:18:18,166 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [240998941] [2019-11-07 00:18:18,167 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-07 00:18:18,167 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 00:18:18,167 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-07 00:18:18,168 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-07 00:18:18,168 INFO L87 Difference]: Start difference. First operand 5911 states and 7472 transitions. Second operand 4 states. [2019-11-07 00:18:25,276 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 00:18:25,277 INFO L93 Difference]: Finished difference Result 17601 states and 22936 transitions. [2019-11-07 00:18:25,278 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-07 00:18:25,278 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 260 [2019-11-07 00:18:25,279 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 00:18:25,374 INFO L225 Difference]: With dead ends: 17601 [2019-11-07 00:18:25,375 INFO L226 Difference]: Without dead ends: 11749 [2019-11-07 00:18:25,407 INFO L630 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 [2019-11-07 00:18:25,424 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11749 states. [2019-11-07 00:18:25,961 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11749 to 11095. [2019-11-07 00:18:25,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11095 states. [2019-11-07 00:18:25,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11095 states to 11095 states and 14284 transitions. [2019-11-07 00:18:25,999 INFO L78 Accepts]: Start accepts. Automaton has 11095 states and 14284 transitions. Word has length 260 [2019-11-07 00:18:25,999 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 00:18:25,999 INFO L462 AbstractCegarLoop]: Abstraction has 11095 states and 14284 transitions. [2019-11-07 00:18:25,999 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-07 00:18:26,000 INFO L276 IsEmpty]: Start isEmpty. Operand 11095 states and 14284 transitions. [2019-11-07 00:18:26,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 258 [2019-11-07 00:18:26,005 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 00:18:26,005 INFO L410 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] [2019-11-07 00:18:26,005 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 00:18:26,005 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 00:18:26,006 INFO L82 PathProgramCache]: Analyzing trace with hash 330368706, now seen corresponding path program 1 times [2019-11-07 00:18:26,006 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 00:18:26,006 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1082881644] [2019-11-07 00:18:26,006 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 00:18:26,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 00:18:26,336 INFO L134 CoverageAnalysis]: Checked inductivity of 548 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 548 trivial. 0 not checked. [2019-11-07 00:18:26,337 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1082881644] [2019-11-07 00:18:26,337 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 00:18:26,337 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-07 00:18:26,338 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [871148963] [2019-11-07 00:18:26,339 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-07 00:18:26,339 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 00:18:26,340 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-07 00:18:26,340 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-07 00:18:26,340 INFO L87 Difference]: Start difference. First operand 11095 states and 14284 transitions. Second operand 3 states. [2019-11-07 00:18:26,597 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 00:18:26,597 INFO L93 Difference]: Finished difference Result 11097 states and 14285 transitions. [2019-11-07 00:18:26,597 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-07 00:18:26,598 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 257 [2019-11-07 00:18:26,598 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 00:18:26,664 INFO L225 Difference]: With dead ends: 11097 [2019-11-07 00:18:26,664 INFO L226 Difference]: Without dead ends: 11094 [2019-11-07 00:18:26,671 INFO L630 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 [2019-11-07 00:18:26,688 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11094 states. [2019-11-07 00:18:27,186 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11094 to 11094. [2019-11-07 00:18:27,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11094 states. [2019-11-07 00:18:27,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11094 states to 11094 states and 14281 transitions. [2019-11-07 00:18:27,234 INFO L78 Accepts]: Start accepts. Automaton has 11094 states and 14281 transitions. Word has length 257 [2019-11-07 00:18:27,236 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 00:18:27,236 INFO L462 AbstractCegarLoop]: Abstraction has 11094 states and 14281 transitions. [2019-11-07 00:18:27,236 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-07 00:18:27,236 INFO L276 IsEmpty]: Start isEmpty. Operand 11094 states and 14281 transitions. [2019-11-07 00:18:27,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 259 [2019-11-07 00:18:27,240 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 00:18:27,241 INFO L410 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] [2019-11-07 00:18:27,241 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 00:18:27,241 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 00:18:27,242 INFO L82 PathProgramCache]: Analyzing trace with hash 1650916572, now seen corresponding path program 1 times [2019-11-07 00:18:27,242 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 00:18:27,242 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1967272146] [2019-11-07 00:18:27,242 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 00:18:27,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 00:18:27,692 INFO L134 CoverageAnalysis]: Checked inductivity of 548 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 548 trivial. 0 not checked. [2019-11-07 00:18:27,692 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1967272146] [2019-11-07 00:18:27,692 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 00:18:27,692 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-07 00:18:27,693 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1708267689] [2019-11-07 00:18:27,694 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-07 00:18:27,694 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 00:18:27,695 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-07 00:18:27,695 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-07 00:18:27,695 INFO L87 Difference]: Start difference. First operand 11094 states and 14281 transitions. Second operand 3 states. [2019-11-07 00:18:27,939 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 00:18:27,940 INFO L93 Difference]: Finished difference Result 11096 states and 14282 transitions. [2019-11-07 00:18:27,940 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-07 00:18:27,940 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 258 [2019-11-07 00:18:27,941 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 00:18:27,988 INFO L225 Difference]: With dead ends: 11096 [2019-11-07 00:18:27,989 INFO L226 Difference]: Without dead ends: 11022 [2019-11-07 00:18:27,997 INFO L630 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 [2019-11-07 00:18:28,015 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11022 states. [2019-11-07 00:18:28,445 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11022 to 11020. [2019-11-07 00:18:28,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11020 states. [2019-11-07 00:18:28,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11020 states to 11020 states and 14174 transitions. [2019-11-07 00:18:28,493 INFO L78 Accepts]: Start accepts. Automaton has 11020 states and 14174 transitions. Word has length 258 [2019-11-07 00:18:28,493 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 00:18:28,493 INFO L462 AbstractCegarLoop]: Abstraction has 11020 states and 14174 transitions. [2019-11-07 00:18:28,494 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-07 00:18:28,494 INFO L276 IsEmpty]: Start isEmpty. Operand 11020 states and 14174 transitions. [2019-11-07 00:18:28,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 276 [2019-11-07 00:18:28,498 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 00:18:28,498 INFO L410 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] [2019-11-07 00:18:28,499 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 00:18:28,499 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 00:18:28,499 INFO L82 PathProgramCache]: Analyzing trace with hash -521948165, now seen corresponding path program 1 times [2019-11-07 00:18:28,499 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 00:18:28,502 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [501712887] [2019-11-07 00:18:28,502 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 00:18:28,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 00:18:28,772 INFO L134 CoverageAnalysis]: Checked inductivity of 548 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 548 trivial. 0 not checked. [2019-11-07 00:18:28,773 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [501712887] [2019-11-07 00:18:28,773 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 00:18:28,773 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-07 00:18:28,773 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1048236177] [2019-11-07 00:18:28,774 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-07 00:18:28,774 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 00:18:28,774 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-07 00:18:28,774 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-07 00:18:28,775 INFO L87 Difference]: Start difference. First operand 11020 states and 14174 transitions. Second operand 3 states.