java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/ldv-consumption/linux-3.8-rc1-32_7a-drivers--input--misc--uinput.ko-ldv_main0.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f4eb214f-m [2019-10-13 18:19:13,475 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-13 18:19:13,478 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-13 18:19:13,490 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-13 18:19:13,491 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-13 18:19:13,492 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-13 18:19:13,493 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-13 18:19:13,495 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-13 18:19:13,496 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-13 18:19:13,497 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-13 18:19:13,498 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-13 18:19:13,500 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-13 18:19:13,500 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-13 18:19:13,501 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-13 18:19:13,502 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-13 18:19:13,503 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-13 18:19:13,504 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-13 18:19:13,505 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-13 18:19:13,506 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-13 18:19:13,508 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-13 18:19:13,510 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-13 18:19:13,511 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-13 18:19:13,512 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-13 18:19:13,513 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-13 18:19:13,515 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-13 18:19:13,515 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-13 18:19:13,516 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-13 18:19:13,516 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-13 18:19:13,517 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-13 18:19:13,518 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-13 18:19:13,518 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-13 18:19:13,519 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-13 18:19:13,519 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-13 18:19:13,520 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-13 18:19:13,521 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-13 18:19:13,521 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-13 18:19:13,522 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-13 18:19:13,522 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-13 18:19:13,523 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-13 18:19:13,524 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-13 18:19:13,524 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-13 18:19:13,525 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-13 18:19:13,540 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-13 18:19:13,540 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-13 18:19:13,541 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-13 18:19:13,541 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-13 18:19:13,542 INFO L138 SettingsManager]: * Use SBE=true [2019-10-13 18:19:13,542 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-13 18:19:13,542 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-13 18:19:13,542 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-13 18:19:13,543 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-13 18:19:13,543 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-13 18:19:13,543 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-13 18:19:13,543 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-13 18:19:13,543 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-13 18:19:13,544 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-13 18:19:13,544 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-13 18:19:13,544 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-13 18:19:13,544 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-13 18:19:13,544 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-13 18:19:13,545 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-13 18:19:13,545 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-13 18:19:13,545 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-13 18:19:13,546 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 18:19:13,547 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-13 18:19:13,547 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-13 18:19:13,547 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-13 18:19:13,547 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-13 18:19:13,547 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-13 18:19:13,548 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-13 18:19:13,548 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-13 18:19:13,827 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-13 18:19:13,840 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-13 18:19:13,844 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-13 18:19:13,845 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-13 18:19:13,845 INFO L275 PluginConnector]: CDTParser initialized [2019-10-13 18:19:13,846 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-consumption/linux-3.8-rc1-32_7a-drivers--input--misc--uinput.ko-ldv_main0.cil.out.i [2019-10-13 18:19:13,905 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2d17191e6/f4ddba62ecb2421db4f7240fdf12e42d/FLAG12b45ac9e [2019-10-13 18:19:14,666 INFO L306 CDTParser]: Found 1 translation units. [2019-10-13 18:19:14,667 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-consumption/linux-3.8-rc1-32_7a-drivers--input--misc--uinput.ko-ldv_main0.cil.out.i [2019-10-13 18:19:14,707 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2d17191e6/f4ddba62ecb2421db4f7240fdf12e42d/FLAG12b45ac9e [2019-10-13 18:19:15,199 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2d17191e6/f4ddba62ecb2421db4f7240fdf12e42d [2019-10-13 18:19:15,211 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-13 18:19:15,213 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-13 18:19:15,214 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-13 18:19:15,214 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-13 18:19:15,218 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-13 18:19:15,219 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 06:19:15" (1/1) ... [2019-10-13 18:19:15,224 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c0a91b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:19:15, skipping insertion in model container [2019-10-13 18:19:15,225 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 06:19:15" (1/1) ... [2019-10-13 18:19:15,234 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-13 18:19:15,350 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-13 18:19:16,922 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 18:19:16,948 INFO L188 MainTranslator]: Completed pre-run [2019-10-13 18:19:17,186 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 18:19:17,564 INFO L192 MainTranslator]: Completed translation [2019-10-13 18:19:17,565 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:19:17 WrapperNode [2019-10-13 18:19:17,565 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-13 18:19:17,566 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-13 18:19:17,566 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-13 18:19:17,566 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-13 18:19:17,588 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:19:17" (1/1) ... [2019-10-13 18:19:17,588 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:19:17" (1/1) ... [2019-10-13 18:19:17,689 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:19:17" (1/1) ... [2019-10-13 18:19:17,689 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:19:17" (1/1) ... [2019-10-13 18:19:17,807 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:19:17" (1/1) ... [2019-10-13 18:19:17,837 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:19:17" (1/1) ... [2019-10-13 18:19:17,863 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:19:17" (1/1) ... [2019-10-13 18:19:17,892 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-13 18:19:17,892 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-13 18:19:17,892 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-13 18:19:17,893 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-13 18:19:17,894 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:19:17" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 18:19:17,967 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-13 18:19:17,967 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-13 18:19:17,968 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~VOID [2019-10-13 18:19:17,968 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2019-10-13 18:19:17,968 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2019-10-13 18:19:17,969 INFO L138 BoogieDeclarations]: Found implementation of procedure variable_test_bit [2019-10-13 18:19:17,969 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2019-10-13 18:19:17,970 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2019-10-13 18:19:17,970 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2019-10-13 18:19:17,970 INFO L138 BoogieDeclarations]: Found implementation of procedure current_thread_info [2019-10-13 18:19:17,970 INFO L138 BoogieDeclarations]: Found implementation of procedure is_ia32_task [2019-10-13 18:19:17,971 INFO L138 BoogieDeclarations]: Found implementation of procedure test_ti_thread_flag [2019-10-13 18:19:17,972 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2019-10-13 18:19:17,973 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2019-10-13 18:19:17,974 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2019-10-13 18:19:17,975 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2019-10-13 18:19:17,978 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2019-10-13 18:19:17,978 INFO L138 BoogieDeclarations]: Found implementation of procedure init_completion [2019-10-13 18:19:17,978 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2019-10-13 18:19:17,979 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2019-10-13 18:19:17,979 INFO L138 BoogieDeclarations]: Found implementation of procedure poll_wait [2019-10-13 18:19:17,979 INFO L138 BoogieDeclarations]: Found implementation of procedure test_tsk_thread_flag [2019-10-13 18:19:17,980 INFO L138 BoogieDeclarations]: Found implementation of procedure signal_pending [2019-10-13 18:19:17,980 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2019-10-13 18:19:17,980 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-10-13 18:19:17,980 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2019-10-13 18:19:17,980 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2019-10-13 18:19:17,980 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2019-10-13 18:19:17,980 INFO L138 BoogieDeclarations]: Found implementation of procedure input_allocate_device [2019-10-13 18:19:17,981 INFO L138 BoogieDeclarations]: Found implementation of procedure input_get_drvdata [2019-10-13 18:19:17,981 INFO L138 BoogieDeclarations]: Found implementation of procedure input_set_drvdata [2019-10-13 18:19:17,981 INFO L138 BoogieDeclarations]: Found implementation of procedure input_set_events_per_packet [2019-10-13 18:19:17,981 INFO L138 BoogieDeclarations]: Found implementation of procedure input_abs_get_min [2019-10-13 18:19:17,981 INFO L138 BoogieDeclarations]: Found implementation of procedure input_abs_set_min [2019-10-13 18:19:17,982 INFO L138 BoogieDeclarations]: Found implementation of procedure input_abs_get_max [2019-10-13 18:19:17,982 INFO L138 BoogieDeclarations]: Found implementation of procedure input_abs_set_max [2019-10-13 18:19:17,982 INFO L138 BoogieDeclarations]: Found implementation of procedure input_abs_set_fuzz [2019-10-13 18:19:17,982 INFO L138 BoogieDeclarations]: Found implementation of procedure input_abs_get_flat [2019-10-13 18:19:17,983 INFO L138 BoogieDeclarations]: Found implementation of procedure input_abs_set_flat [2019-10-13 18:19:17,983 INFO L138 BoogieDeclarations]: Found implementation of procedure compat_ptr [2019-10-13 18:19:17,983 INFO L138 BoogieDeclarations]: Found implementation of procedure is_x32_task [2019-10-13 18:19:17,983 INFO L138 BoogieDeclarations]: Found implementation of procedure is_compat_task [2019-10-13 18:19:17,983 INFO L138 BoogieDeclarations]: Found implementation of procedure input_event_size [2019-10-13 18:19:17,983 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_dev_event [2019-10-13 18:19:17,983 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_request_alloc_id [2019-10-13 18:19:17,984 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_request_find [2019-10-13 18:19:17,984 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_request_reserve_slot [2019-10-13 18:19:17,984 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_request_done [2019-10-13 18:19:17,984 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_request_send [2019-10-13 18:19:17,984 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_request_submit [2019-10-13 18:19:17,985 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_flush_requests [2019-10-13 18:19:17,985 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_dev_set_gain [2019-10-13 18:19:17,985 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_dev_set_autocenter [2019-10-13 18:19:17,985 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_dev_playback [2019-10-13 18:19:17,985 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_dev_upload_effect [2019-10-13 18:19:17,985 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_dev_erase_effect [2019-10-13 18:19:17,985 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_destroy_device [2019-10-13 18:19:17,986 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_create_device [2019-10-13 18:19:17,986 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_open [2019-10-13 18:19:17,986 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_validate_absbits [2019-10-13 18:19:17,986 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_allocate_device [2019-10-13 18:19:17,986 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_setup_device [2019-10-13 18:19:17,986 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_inject_event [2019-10-13 18:19:17,986 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_write [2019-10-13 18:19:17,987 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_fetch_next_event [2019-10-13 18:19:17,987 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_events_to_user [2019-10-13 18:19:17,987 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_read [2019-10-13 18:19:17,987 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_poll [2019-10-13 18:19:17,987 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_release [2019-10-13 18:19:17,988 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_ff_upload_to_user [2019-10-13 18:19:17,988 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_ff_upload_from_user [2019-10-13 18:19:17,988 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_ioctl_handler [2019-10-13 18:19:17,988 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_ioctl [2019-10-13 18:19:17,988 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_compat_ioctl [2019-10-13 18:19:17,989 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_init [2019-10-13 18:19:17,989 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_exit [2019-10-13 18:19:17,989 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-13 18:19:17,990 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_1 [2019-10-13 18:19:17,990 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_2 [2019-10-13 18:19:17,990 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_3 [2019-10-13 18:19:17,990 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_4 [2019-10-13 18:19:17,990 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_5 [2019-10-13 18:19:17,991 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_6 [2019-10-13 18:19:17,991 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_7 [2019-10-13 18:19:17,991 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_8 [2019-10-13 18:19:17,991 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_9 [2019-10-13 18:19:17,991 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_10 [2019-10-13 18:19:17,992 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_11 [2019-10-13 18:19:17,993 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_12 [2019-10-13 18:19:17,993 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_13 [2019-10-13 18:19:17,993 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2019-10-13 18:19:17,994 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2019-10-13 18:19:17,994 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_lock [2019-10-13 18:19:17,994 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_lock [2019-10-13 18:19:17,994 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock [2019-10-13 18:19:17,994 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_lock [2019-10-13 18:19:17,995 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_lock [2019-10-13 18:19:17,995 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_lock [2019-10-13 18:19:17,995 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock [2019-10-13 18:19:17,995 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_mutex_of_device [2019-10-13 18:19:17,995 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_mutex_of_device [2019-10-13 18:19:17,995 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mutex_of_device [2019-10-13 18:19:17,996 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_mutex_of_device [2019-10-13 18:19:17,996 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2019-10-13 18:19:17,996 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_mutex_of_device [2019-10-13 18:19:17,996 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex_of_device [2019-10-13 18:19:17,996 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_mutex_of_uinput_device [2019-10-13 18:19:17,996 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_mutex_of_uinput_device [2019-10-13 18:19:17,997 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mutex_of_uinput_device [2019-10-13 18:19:17,997 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_mutex_of_uinput_device [2019-10-13 18:19:17,997 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_uinput_device [2019-10-13 18:19:17,997 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_mutex_of_uinput_device [2019-10-13 18:19:17,997 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex_of_uinput_device [2019-10-13 18:19:17,997 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-10-13 18:19:17,997 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-10-13 18:19:17,998 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2019-10-13 18:19:17,998 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2019-10-13 18:19:17,998 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2019-10-13 18:19:17,998 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2019-10-13 18:19:17,999 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2019-10-13 18:19:17,999 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2019-10-13 18:19:17,999 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock [2019-10-13 18:19:17,999 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irq [2019-10-13 18:19:17,999 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock [2019-10-13 18:19:18,000 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irq [2019-10-13 18:19:18,001 INFO L138 BoogieDeclarations]: Found implementation of procedure complete [2019-10-13 18:19:18,001 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2019-10-13 18:19:18,001 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2019-10-13 18:19:18,001 INFO L138 BoogieDeclarations]: Found implementation of procedure do_gettimeofday [2019-10-13 18:19:18,001 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2019-10-13 18:19:18,001 INFO L138 BoogieDeclarations]: Found implementation of procedure input_alloc_absinfo [2019-10-13 18:19:18,002 INFO L138 BoogieDeclarations]: Found implementation of procedure input_event [2019-10-13 18:19:18,002 INFO L138 BoogieDeclarations]: Found implementation of procedure input_event_from_user [2019-10-13 18:19:18,002 INFO L138 BoogieDeclarations]: Found implementation of procedure input_event_to_user [2019-10-13 18:19:18,002 INFO L138 BoogieDeclarations]: Found implementation of procedure input_ff_create [2019-10-13 18:19:18,003 INFO L138 BoogieDeclarations]: Found implementation of procedure input_ff_destroy [2019-10-13 18:19:18,003 INFO L138 BoogieDeclarations]: Found implementation of procedure input_free_device [2019-10-13 18:19:18,003 INFO L138 BoogieDeclarations]: Found implementation of procedure input_mt_init_slots [2019-10-13 18:19:18,003 INFO L138 BoogieDeclarations]: Found implementation of procedure input_register_device [2019-10-13 18:19:18,004 INFO L138 BoogieDeclarations]: Found implementation of procedure input_unregister_device [2019-10-13 18:19:18,007 INFO L138 BoogieDeclarations]: Found implementation of procedure kstrndup [2019-10-13 18:19:18,008 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value [2019-10-13 18:19:18,008 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler_precall [2019-10-13 18:19:18,008 INFO L138 BoogieDeclarations]: Found implementation of procedure memdup_user [2019-10-13 18:19:18,014 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2019-10-13 18:19:18,014 INFO L138 BoogieDeclarations]: Found implementation of procedure misc_deregister [2019-10-13 18:19:18,015 INFO L138 BoogieDeclarations]: Found implementation of procedure misc_register [2019-10-13 18:19:18,015 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2019-10-13 18:19:18,015 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_interruptible [2019-10-13 18:19:18,015 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_trylock [2019-10-13 18:19:18,015 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2019-10-13 18:19:18,015 INFO L138 BoogieDeclarations]: Found implementation of procedure nonseekable_open [2019-10-13 18:19:18,015 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait [2019-10-13 18:19:18,015 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2019-10-13 18:19:18,016 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2019-10-13 18:19:18,016 INFO L138 BoogieDeclarations]: Found implementation of procedure strndup_user [2019-10-13 18:19:18,016 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion [2019-10-13 18:19:18,016 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_fmt [2019-10-13 18:19:18,017 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-10-13 18:19:18,018 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-10-13 18:19:18,018 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-10-13 18:19:18,018 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-10-13 18:19:18,018 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-13 18:19:18,018 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2019-10-13 18:19:18,018 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2019-10-13 18:19:18,019 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2019-10-13 18:19:18,019 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-13 18:19:18,019 INFO L130 BoogieDeclarations]: Found specification of procedure variable_test_bit [2019-10-13 18:19:18,019 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2019-10-13 18:19:18,019 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2019-10-13 18:19:18,019 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2019-10-13 18:19:18,019 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2019-10-13 18:19:18,019 INFO L130 BoogieDeclarations]: Found specification of procedure strndup_user [2019-10-13 18:19:18,020 INFO L130 BoogieDeclarations]: Found specification of procedure memdup_user [2019-10-13 18:19:18,020 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-10-13 18:19:18,020 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-10-13 18:19:18,020 INFO L130 BoogieDeclarations]: Found specification of procedure kstrndup [2019-10-13 18:19:18,020 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_fmt [2019-10-13 18:19:18,020 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2019-10-13 18:19:18,020 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2019-10-13 18:19:18,020 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2019-10-13 18:19:18,021 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_trylock [2019-10-13 18:19:18,021 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_4 [2019-10-13 18:19:18,021 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2019-10-13 18:19:18,021 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_2 [2019-10-13 18:19:18,021 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_5 [2019-10-13 18:19:18,021 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_7 [2019-10-13 18:19:18,021 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_9 [2019-10-13 18:19:18,021 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_11 [2019-10-13 18:19:18,022 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_13 [2019-10-13 18:19:18,022 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_interruptible [2019-10-13 18:19:18,022 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_6 [2019-10-13 18:19:18,022 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_8 [2019-10-13 18:19:18,023 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_10 [2019-10-13 18:19:18,023 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_12 [2019-10-13 18:19:18,023 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2019-10-13 18:19:18,023 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_1 [2019-10-13 18:19:18,023 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_3 [2019-10-13 18:19:18,023 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock [2019-10-13 18:19:18,023 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock [2019-10-13 18:19:18,024 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mutex_of_device [2019-10-13 18:19:18,024 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_mutex_of_device [2019-10-13 18:19:18,024 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex_of_device [2019-10-13 18:19:18,024 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_mutex_of_uinput_device [2019-10-13 18:19:18,024 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex_of_uinput_device [2019-10-13 18:19:18,024 INFO L130 BoogieDeclarations]: Found specification of procedure current_thread_info [2019-10-13 18:19:18,024 INFO L130 BoogieDeclarations]: Found specification of procedure is_ia32_task [2019-10-13 18:19:18,024 INFO L130 BoogieDeclarations]: Found specification of procedure test_ti_thread_flag [2019-10-13 18:19:18,024 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2019-10-13 18:19:18,025 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock [2019-10-13 18:19:18,025 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irq [2019-10-13 18:19:18,025 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock [2019-10-13 18:19:18,025 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irq [2019-10-13 18:19:18,025 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2019-10-13 18:19:18,026 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2019-10-13 18:19:18,026 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2019-10-13 18:19:18,026 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2019-10-13 18:19:18,026 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2019-10-13 18:19:18,026 INFO L130 BoogieDeclarations]: Found specification of procedure do_gettimeofday [2019-10-13 18:19:18,027 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2019-10-13 18:19:18,027 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2019-10-13 18:19:18,027 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait [2019-10-13 18:19:18,027 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2019-10-13 18:19:18,027 INFO L130 BoogieDeclarations]: Found specification of procedure autoremove_wake_function [2019-10-13 18:19:18,027 INFO L130 BoogieDeclarations]: Found specification of procedure init_completion [2019-10-13 18:19:18,027 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-13 18:19:18,027 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-13 18:19:18,028 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-13 18:19:18,028 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion [2019-10-13 18:19:18,028 INFO L130 BoogieDeclarations]: Found specification of procedure complete [2019-10-13 18:19:18,028 INFO L130 BoogieDeclarations]: Found specification of procedure no_llseek [2019-10-13 18:19:18,028 INFO L130 BoogieDeclarations]: Found specification of procedure nonseekable_open [2019-10-13 18:19:18,028 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2019-10-13 18:19:18,028 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2019-10-13 18:19:18,029 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2019-10-13 18:19:18,029 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2019-10-13 18:19:18,029 INFO L130 BoogieDeclarations]: Found specification of procedure poll_wait [2019-10-13 18:19:18,029 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~VOID [2019-10-13 18:19:18,029 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-13 18:19:18,029 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2019-10-13 18:19:18,029 INFO L130 BoogieDeclarations]: Found specification of procedure test_tsk_thread_flag [2019-10-13 18:19:18,029 INFO L130 BoogieDeclarations]: Found specification of procedure signal_pending [2019-10-13 18:19:18,030 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-10-13 18:19:18,030 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-13 18:19:18,030 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-10-13 18:19:18,030 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-13 18:19:18,030 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2019-10-13 18:19:18,030 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-10-13 18:19:18,030 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-13 18:19:18,030 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2019-10-13 18:19:18,031 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2019-10-13 18:19:18,031 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2019-10-13 18:19:18,031 INFO L130 BoogieDeclarations]: Found specification of procedure misc_register [2019-10-13 18:19:18,031 INFO L130 BoogieDeclarations]: Found specification of procedure misc_deregister [2019-10-13 18:19:18,031 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2019-10-13 18:19:18,031 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2019-10-13 18:19:18,031 INFO L130 BoogieDeclarations]: Found specification of procedure input_allocate_device [2019-10-13 18:19:18,031 INFO L130 BoogieDeclarations]: Found specification of procedure input_free_device [2019-10-13 18:19:18,032 INFO L130 BoogieDeclarations]: Found specification of procedure input_get_drvdata [2019-10-13 18:19:18,032 INFO L130 BoogieDeclarations]: Found specification of procedure input_set_drvdata [2019-10-13 18:19:18,032 INFO L130 BoogieDeclarations]: Found specification of procedure input_register_device [2019-10-13 18:19:18,032 INFO L130 BoogieDeclarations]: Found specification of procedure input_unregister_device [2019-10-13 18:19:18,032 INFO L130 BoogieDeclarations]: Found specification of procedure input_event [2019-10-13 18:19:18,032 INFO L130 BoogieDeclarations]: Found specification of procedure input_set_events_per_packet [2019-10-13 18:19:18,032 INFO L130 BoogieDeclarations]: Found specification of procedure input_alloc_absinfo [2019-10-13 18:19:18,032 INFO L130 BoogieDeclarations]: Found specification of procedure input_abs_get_min [2019-10-13 18:19:18,034 INFO L130 BoogieDeclarations]: Found specification of procedure input_abs_set_min [2019-10-13 18:19:18,037 INFO L130 BoogieDeclarations]: Found specification of procedure input_abs_get_max [2019-10-13 18:19:18,037 INFO L130 BoogieDeclarations]: Found specification of procedure input_abs_set_max [2019-10-13 18:19:18,038 INFO L130 BoogieDeclarations]: Found specification of procedure input_abs_set_fuzz [2019-10-13 18:19:18,038 INFO L130 BoogieDeclarations]: Found specification of procedure input_abs_get_flat [2019-10-13 18:19:18,038 INFO L130 BoogieDeclarations]: Found specification of procedure input_abs_set_flat [2019-10-13 18:19:18,040 INFO L130 BoogieDeclarations]: Found specification of procedure input_ff_create [2019-10-13 18:19:18,041 INFO L130 BoogieDeclarations]: Found specification of procedure input_ff_destroy [2019-10-13 18:19:18,041 INFO L130 BoogieDeclarations]: Found specification of procedure input_mt_init_slots [2019-10-13 18:19:18,041 INFO L130 BoogieDeclarations]: Found specification of procedure compat_ptr [2019-10-13 18:19:18,041 INFO L130 BoogieDeclarations]: Found specification of procedure is_x32_task [2019-10-13 18:19:18,041 INFO L130 BoogieDeclarations]: Found specification of procedure is_compat_task [2019-10-13 18:19:18,041 INFO L130 BoogieDeclarations]: Found specification of procedure input_event_size [2019-10-13 18:19:18,041 INFO L130 BoogieDeclarations]: Found specification of procedure input_event_from_user [2019-10-13 18:19:18,041 INFO L130 BoogieDeclarations]: Found specification of procedure input_event_to_user [2019-10-13 18:19:18,042 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_dev_event [2019-10-13 18:19:18,042 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_request_alloc_id [2019-10-13 18:19:18,042 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-13 18:19:18,042 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_request_find [2019-10-13 18:19:18,042 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_request_reserve_slot [2019-10-13 18:19:18,042 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_request_done [2019-10-13 18:19:18,042 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_request_send [2019-10-13 18:19:18,042 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_request_submit [2019-10-13 18:19:18,043 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_flush_requests [2019-10-13 18:19:18,043 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_dev_set_gain [2019-10-13 18:19:18,043 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_dev_set_autocenter [2019-10-13 18:19:18,043 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_dev_playback [2019-10-13 18:19:18,043 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_dev_upload_effect [2019-10-13 18:19:18,043 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_dev_erase_effect [2019-10-13 18:19:18,043 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_destroy_device [2019-10-13 18:19:18,043 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_create_device [2019-10-13 18:19:18,044 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_open [2019-10-13 18:19:18,044 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_validate_absbits [2019-10-13 18:19:18,044 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_allocate_device [2019-10-13 18:19:18,044 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_setup_device [2019-10-13 18:19:18,044 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_inject_event [2019-10-13 18:19:18,044 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_write [2019-10-13 18:19:18,044 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_fetch_next_event [2019-10-13 18:19:18,044 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_events_to_user [2019-10-13 18:19:18,044 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_read [2019-10-13 18:19:18,045 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_poll [2019-10-13 18:19:18,045 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_release [2019-10-13 18:19:18,045 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_ff_upload_to_user [2019-10-13 18:19:18,045 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-10-13 18:19:18,045 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_ff_upload_from_user [2019-10-13 18:19:18,045 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_ioctl_handler [2019-10-13 18:19:18,045 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-10-13 18:19:18,045 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_ioctl [2019-10-13 18:19:18,045 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_compat_ioctl [2019-10-13 18:19:18,046 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_init [2019-10-13 18:19:18,046 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_exit [2019-10-13 18:19:18,046 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-10-13 18:19:18,046 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value [2019-10-13 18:19:18,046 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-10-13 18:19:18,046 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler_precall [2019-10-13 18:19:18,046 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-13 18:19:18,046 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2019-10-13 18:19:18,046 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_lock [2019-10-13 18:19:18,047 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_lock [2019-10-13 18:19:18,047 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_lock [2019-10-13 18:19:18,047 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_lock [2019-10-13 18:19:18,047 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_lock [2019-10-13 18:19:18,047 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_mutex_of_device [2019-10-13 18:19:18,047 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_mutex_of_device [2019-10-13 18:19:18,047 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2019-10-13 18:19:18,047 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_mutex_of_device [2019-10-13 18:19:18,047 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_mutex_of_uinput_device [2019-10-13 18:19:18,048 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mutex_of_uinput_device [2019-10-13 18:19:18,048 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_mutex_of_uinput_device [2019-10-13 18:19:18,048 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_uinput_device [2019-10-13 18:19:18,048 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_mutex_of_uinput_device [2019-10-13 18:19:18,048 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-10-13 18:19:18,048 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-10-13 18:19:18,048 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-10-13 18:19:18,048 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-13 18:19:18,049 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-13 18:19:18,049 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-13 18:19:18,049 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-10-13 18:19:18,049 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-13 18:19:18,049 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2019-10-13 18:19:18,049 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2019-10-13 18:19:18,049 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-10-13 18:19:18,049 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-10-13 18:19:28,191 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-13 18:19:28,191 INFO L284 CfgBuilder]: Removed 0 assume(true) statements. [2019-10-13 18:19:28,193 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 06:19:28 BoogieIcfgContainer [2019-10-13 18:19:28,194 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-13 18:19:28,195 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-13 18:19:28,195 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-13 18:19:28,198 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-13 18:19:28,199 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 06:19:15" (1/3) ... [2019-10-13 18:19:28,200 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@24f716c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 06:19:28, skipping insertion in model container [2019-10-13 18:19:28,200 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:19:17" (2/3) ... [2019-10-13 18:19:28,200 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@24f716c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 06:19:28, skipping insertion in model container [2019-10-13 18:19:28,200 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 06:19:28" (3/3) ... [2019-10-13 18:19:28,203 INFO L109 eAbstractionObserver]: Analyzing ICFG linux-3.8-rc1-32_7a-drivers--input--misc--uinput.ko-ldv_main0.cil.out.i [2019-10-13 18:19:28,214 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-13 18:19:28,225 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-13 18:19:28,239 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-13 18:19:28,292 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-13 18:19:28,292 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-13 18:19:28,292 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-13 18:19:28,293 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-13 18:19:28,293 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-13 18:19:28,293 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-13 18:19:28,293 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-13 18:19:28,293 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-13 18:19:28,359 INFO L276 IsEmpty]: Start isEmpty. Operand 1131 states. [2019-10-13 18:19:28,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2019-10-13 18:19:28,370 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 18:19:28,371 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 18:19:28,373 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 18:19:28,380 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 18:19:28,381 INFO L82 PathProgramCache]: Analyzing trace with hash 1245439551, now seen corresponding path program 1 times [2019-10-13 18:19:28,392 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-13 18:19:28,393 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [742821941] [2019-10-13 18:19:28,394 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 18:19:28,394 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 18:19:28,394 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 18:19:28,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 18:19:29,125 WARN L191 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2019-10-13 18:19:29,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 18:19:29,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 18:19:29,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 18:19:29,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 18:19:29,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 18:19:29,253 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 18:19:29,253 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [742821941] [2019-10-13 18:19:29,254 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 18:19:29,256 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-13 18:19:29,257 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1755447041] [2019-10-13 18:19:29,261 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-13 18:19:29,262 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-13 18:19:29,278 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-13 18:19:29,279 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-10-13 18:19:29,281 INFO L87 Difference]: Start difference. First operand 1131 states. Second operand 5 states. [2019-10-13 18:19:29,559 WARN L191 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2019-10-13 18:19:47,583 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 18:19:47,583 INFO L93 Difference]: Finished difference Result 2052 states and 2734 transitions. [2019-10-13 18:19:47,584 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-13 18:19:47,587 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 28 [2019-10-13 18:19:47,587 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 18:19:47,632 INFO L225 Difference]: With dead ends: 2052 [2019-10-13 18:19:47,633 INFO L226 Difference]: Without dead ends: 1136 [2019-10-13 18:19:47,644 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 10 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2019-10-13 18:19:47,662 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1136 states. [2019-10-13 18:19:47,827 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1136 to 921. [2019-10-13 18:19:47,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 921 states. [2019-10-13 18:19:47,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 921 states to 921 states and 1180 transitions. [2019-10-13 18:19:47,839 INFO L78 Accepts]: Start accepts. Automaton has 921 states and 1180 transitions. Word has length 28 [2019-10-13 18:19:47,839 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 18:19:47,839 INFO L462 AbstractCegarLoop]: Abstraction has 921 states and 1180 transitions. [2019-10-13 18:19:47,839 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-13 18:19:47,839 INFO L276 IsEmpty]: Start isEmpty. Operand 921 states and 1180 transitions. [2019-10-13 18:19:47,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2019-10-13 18:19:47,841 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 18:19:47,841 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 18:19:47,842 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 18:19:47,842 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 18:19:47,842 INFO L82 PathProgramCache]: Analyzing trace with hash -46644403, now seen corresponding path program 1 times [2019-10-13 18:19:47,842 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-13 18:19:47,843 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1900287382] [2019-10-13 18:19:47,843 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 18:19:47,843 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 18:19:47,843 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 18:19:47,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 18:19:48,055 WARN L191 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2019-10-13 18:19:48,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 18:19:48,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 18:19:48,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 18:19:48,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 18:19:48,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 18:19:48,152 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 18:19:48,153 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1900287382] [2019-10-13 18:19:48,153 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 18:19:48,153 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-13 18:19:48,154 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1341945283] [2019-10-13 18:19:48,155 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-13 18:19:48,156 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-13 18:19:48,162 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-13 18:19:48,163 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-10-13 18:19:48,163 INFO L87 Difference]: Start difference. First operand 921 states and 1180 transitions. Second operand 5 states. [2019-10-13 18:19:48,412 WARN L191 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 123