/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 -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-fb55353 [2019-11-06 19:42:31,991 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-06 19:42:31,994 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-06 19:42:32,006 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-06 19:42:32,006 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-06 19:42:32,007 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-06 19:42:32,008 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-06 19:42:32,011 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-06 19:42:32,015 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-06 19:42:32,016 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-06 19:42:32,018 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-06 19:42:32,020 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-06 19:42:32,020 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-06 19:42:32,021 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-06 19:42:32,027 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-06 19:42:32,028 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-06 19:42:32,029 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-06 19:42:32,030 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-06 19:42:32,031 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-06 19:42:32,038 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-06 19:42:32,040 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-06 19:42:32,041 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-06 19:42:32,044 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-06 19:42:32,045 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-06 19:42:32,048 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-06 19:42:32,048 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-06 19:42:32,048 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-06 19:42:32,049 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-06 19:42:32,050 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-06 19:42:32,051 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-06 19:42:32,051 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-06 19:42:32,051 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-06 19:42:32,055 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-06 19:42:32,055 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-06 19:42:32,058 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-06 19:42:32,058 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-06 19:42:32,059 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-06 19:42:32,060 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-06 19:42:32,060 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-06 19:42:32,062 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-06 19:42:32,063 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-06 19:42:32,064 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 [2019-11-06 19:42:32,079 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-06 19:42:32,079 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-06 19:42:32,081 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-06 19:42:32,081 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-06 19:42:32,081 INFO L138 SettingsManager]: * Use SBE=true [2019-11-06 19:42:32,081 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-06 19:42:32,081 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-06 19:42:32,082 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-06 19:42:32,082 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-06 19:42:32,082 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-06 19:42:32,082 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-06 19:42:32,082 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-06 19:42:32,082 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-06 19:42:32,083 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-06 19:42:32,083 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-06 19:42:32,083 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-06 19:42:32,083 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-06 19:42:32,083 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-06 19:42:32,084 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-06 19:42:32,084 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-06 19:42:32,084 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-06 19:42:32,084 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-06 19:42:32,084 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-06 19:42:32,085 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-06 19:42:32,085 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-06 19:42:32,085 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-06 19:42:32,085 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-06 19:42:32,085 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-06 19:42:32,086 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-06 19:42:32,368 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-06 19:42:32,381 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-06 19:42:32,384 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-06 19:42:32,385 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-06 19:42:32,386 INFO L275 PluginConnector]: CDTParser initialized [2019-11-06 19:42:32,387 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-consumption/linux-3.8-rc1-32_7a-drivers--input--misc--uinput.ko-ldv_main0.cil.out.i [2019-11-06 19:42:32,446 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5dcb730f7/3b8c21cc74264356b1cc620ceb0a4f8a/FLAG03a6b2644 [2019-11-06 19:42:33,145 INFO L306 CDTParser]: Found 1 translation units. [2019-11-06 19:42:33,146 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-consumption/linux-3.8-rc1-32_7a-drivers--input--misc--uinput.ko-ldv_main0.cil.out.i [2019-11-06 19:42:33,188 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5dcb730f7/3b8c21cc74264356b1cc620ceb0a4f8a/FLAG03a6b2644 [2019-11-06 19:42:33,260 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5dcb730f7/3b8c21cc74264356b1cc620ceb0a4f8a [2019-11-06 19:42:33,269 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-06 19:42:33,270 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-11-06 19:42:33,271 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-06 19:42:33,272 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-06 19:42:33,275 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-06 19:42:33,276 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 07:42:33" (1/1) ... [2019-11-06 19:42:33,279 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@515b8407 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 07:42:33, skipping insertion in model container [2019-11-06 19:42:33,279 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 07:42:33" (1/1) ... [2019-11-06 19:42:33,286 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-06 19:42:33,402 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-06 19:42:34,801 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-06 19:42:34,824 INFO L188 MainTranslator]: Completed pre-run [2019-11-06 19:42:35,142 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-06 19:42:35,396 INFO L192 MainTranslator]: Completed translation [2019-11-06 19:42:35,396 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 07:42:35 WrapperNode [2019-11-06 19:42:35,398 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-06 19:42:35,399 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-06 19:42:35,399 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-06 19:42:35,399 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-06 19:42:35,416 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 07:42:35" (1/1) ... [2019-11-06 19:42:35,417 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 07:42:35" (1/1) ... [2019-11-06 19:42:35,506 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 07:42:35" (1/1) ... [2019-11-06 19:42:35,506 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 07:42:35" (1/1) ... [2019-11-06 19:42:35,615 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 07:42:35" (1/1) ... [2019-11-06 19:42:35,629 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 07:42:35" (1/1) ... [2019-11-06 19:42:35,649 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 07:42:35" (1/1) ... [2019-11-06 19:42:35,668 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-06 19:42:35,668 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-06 19:42:35,669 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-06 19:42:35,669 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-06 19:42:35,673 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 07:42:35" (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 [2019-11-06 19:42:35,738 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-06 19:42:35,739 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-06 19:42:35,739 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~VOID [2019-11-06 19:42:35,741 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2019-11-06 19:42:35,741 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2019-11-06 19:42:35,742 INFO L138 BoogieDeclarations]: Found implementation of procedure variable_test_bit [2019-11-06 19:42:35,742 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2019-11-06 19:42:35,742 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2019-11-06 19:42:35,742 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2019-11-06 19:42:35,742 INFO L138 BoogieDeclarations]: Found implementation of procedure current_thread_info [2019-11-06 19:42:35,743 INFO L138 BoogieDeclarations]: Found implementation of procedure is_ia32_task [2019-11-06 19:42:35,743 INFO L138 BoogieDeclarations]: Found implementation of procedure test_ti_thread_flag [2019-11-06 19:42:35,744 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2019-11-06 19:42:35,745 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2019-11-06 19:42:35,746 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2019-11-06 19:42:35,746 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2019-11-06 19:42:35,750 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2019-11-06 19:42:35,750 INFO L138 BoogieDeclarations]: Found implementation of procedure init_completion [2019-11-06 19:42:35,750 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2019-11-06 19:42:35,750 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2019-11-06 19:42:35,750 INFO L138 BoogieDeclarations]: Found implementation of procedure poll_wait [2019-11-06 19:42:35,751 INFO L138 BoogieDeclarations]: Found implementation of procedure test_tsk_thread_flag [2019-11-06 19:42:35,751 INFO L138 BoogieDeclarations]: Found implementation of procedure signal_pending [2019-11-06 19:42:35,751 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2019-11-06 19:42:35,751 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-11-06 19:42:35,751 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2019-11-06 19:42:35,752 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2019-11-06 19:42:35,752 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2019-11-06 19:42:35,752 INFO L138 BoogieDeclarations]: Found implementation of procedure input_allocate_device [2019-11-06 19:42:35,752 INFO L138 BoogieDeclarations]: Found implementation of procedure input_get_drvdata [2019-11-06 19:42:35,752 INFO L138 BoogieDeclarations]: Found implementation of procedure input_set_drvdata [2019-11-06 19:42:35,752 INFO L138 BoogieDeclarations]: Found implementation of procedure input_set_events_per_packet [2019-11-06 19:42:35,752 INFO L138 BoogieDeclarations]: Found implementation of procedure input_abs_get_min [2019-11-06 19:42:35,752 INFO L138 BoogieDeclarations]: Found implementation of procedure input_abs_set_min [2019-11-06 19:42:35,753 INFO L138 BoogieDeclarations]: Found implementation of procedure input_abs_get_max [2019-11-06 19:42:35,753 INFO L138 BoogieDeclarations]: Found implementation of procedure input_abs_set_max [2019-11-06 19:42:35,753 INFO L138 BoogieDeclarations]: Found implementation of procedure input_abs_set_fuzz [2019-11-06 19:42:35,753 INFO L138 BoogieDeclarations]: Found implementation of procedure input_abs_get_flat [2019-11-06 19:42:35,754 INFO L138 BoogieDeclarations]: Found implementation of procedure input_abs_set_flat [2019-11-06 19:42:35,754 INFO L138 BoogieDeclarations]: Found implementation of procedure compat_ptr [2019-11-06 19:42:35,754 INFO L138 BoogieDeclarations]: Found implementation of procedure is_x32_task [2019-11-06 19:42:35,754 INFO L138 BoogieDeclarations]: Found implementation of procedure is_compat_task [2019-11-06 19:42:35,754 INFO L138 BoogieDeclarations]: Found implementation of procedure input_event_size [2019-11-06 19:42:35,754 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_dev_event [2019-11-06 19:42:35,754 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_request_alloc_id [2019-11-06 19:42:35,755 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_request_find [2019-11-06 19:42:35,755 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_request_reserve_slot [2019-11-06 19:42:35,755 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_request_done [2019-11-06 19:42:35,755 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_request_send [2019-11-06 19:42:35,755 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_request_submit [2019-11-06 19:42:35,756 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_flush_requests [2019-11-06 19:42:35,756 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_dev_set_gain [2019-11-06 19:42:35,756 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_dev_set_autocenter [2019-11-06 19:42:35,756 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_dev_playback [2019-11-06 19:42:35,756 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_dev_upload_effect [2019-11-06 19:42:35,756 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_dev_erase_effect [2019-11-06 19:42:35,757 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_destroy_device [2019-11-06 19:42:35,757 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_create_device [2019-11-06 19:42:35,757 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_open [2019-11-06 19:42:35,757 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_validate_absbits [2019-11-06 19:42:35,757 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_allocate_device [2019-11-06 19:42:35,757 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_setup_device [2019-11-06 19:42:35,757 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_inject_event [2019-11-06 19:42:35,758 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_write [2019-11-06 19:42:35,758 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_fetch_next_event [2019-11-06 19:42:35,758 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_events_to_user [2019-11-06 19:42:35,758 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_read [2019-11-06 19:42:35,758 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_poll [2019-11-06 19:42:35,759 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_release [2019-11-06 19:42:35,759 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_ff_upload_to_user [2019-11-06 19:42:35,759 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_ff_upload_from_user [2019-11-06 19:42:35,759 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_ioctl_handler [2019-11-06 19:42:35,759 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_ioctl [2019-11-06 19:42:35,759 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_compat_ioctl [2019-11-06 19:42:35,760 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_init [2019-11-06 19:42:35,760 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_exit [2019-11-06 19:42:35,760 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-06 19:42:35,761 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_1 [2019-11-06 19:42:35,761 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_2 [2019-11-06 19:42:35,761 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_3 [2019-11-06 19:42:35,761 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_4 [2019-11-06 19:42:35,761 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_5 [2019-11-06 19:42:35,762 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_6 [2019-11-06 19:42:35,762 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_7 [2019-11-06 19:42:35,762 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_8 [2019-11-06 19:42:35,762 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_9 [2019-11-06 19:42:35,762 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_10 [2019-11-06 19:42:35,763 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_11 [2019-11-06 19:42:35,763 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_12 [2019-11-06 19:42:35,764 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_13 [2019-11-06 19:42:35,764 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2019-11-06 19:42:35,764 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2019-11-06 19:42:35,764 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_lock [2019-11-06 19:42:35,765 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_lock [2019-11-06 19:42:35,765 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock [2019-11-06 19:42:35,765 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_lock [2019-11-06 19:42:35,765 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_lock [2019-11-06 19:42:35,765 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_lock [2019-11-06 19:42:35,765 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock [2019-11-06 19:42:35,765 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_mutex_of_device [2019-11-06 19:42:35,766 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_mutex_of_device [2019-11-06 19:42:35,766 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mutex_of_device [2019-11-06 19:42:35,766 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_mutex_of_device [2019-11-06 19:42:35,766 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2019-11-06 19:42:35,766 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_mutex_of_device [2019-11-06 19:42:35,766 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex_of_device [2019-11-06 19:42:35,766 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_mutex_of_uinput_device [2019-11-06 19:42:35,767 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_mutex_of_uinput_device [2019-11-06 19:42:35,767 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mutex_of_uinput_device [2019-11-06 19:42:35,767 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_mutex_of_uinput_device [2019-11-06 19:42:35,767 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_uinput_device [2019-11-06 19:42:35,767 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_mutex_of_uinput_device [2019-11-06 19:42:35,767 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex_of_uinput_device [2019-11-06 19:42:35,767 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-11-06 19:42:35,768 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-11-06 19:42:35,768 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2019-11-06 19:42:35,768 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2019-11-06 19:42:35,768 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2019-11-06 19:42:35,768 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2019-11-06 19:42:35,769 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2019-11-06 19:42:35,769 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2019-11-06 19:42:35,769 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock [2019-11-06 19:42:35,769 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irq [2019-11-06 19:42:35,769 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock [2019-11-06 19:42:35,770 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irq [2019-11-06 19:42:35,770 INFO L138 BoogieDeclarations]: Found implementation of procedure complete [2019-11-06 19:42:35,773 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2019-11-06 19:42:35,773 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2019-11-06 19:42:35,773 INFO L138 BoogieDeclarations]: Found implementation of procedure do_gettimeofday [2019-11-06 19:42:35,773 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2019-11-06 19:42:35,773 INFO L138 BoogieDeclarations]: Found implementation of procedure input_alloc_absinfo [2019-11-06 19:42:35,774 INFO L138 BoogieDeclarations]: Found implementation of procedure input_event [2019-11-06 19:42:35,774 INFO L138 BoogieDeclarations]: Found implementation of procedure input_event_from_user [2019-11-06 19:42:35,774 INFO L138 BoogieDeclarations]: Found implementation of procedure input_event_to_user [2019-11-06 19:42:35,774 INFO L138 BoogieDeclarations]: Found implementation of procedure input_ff_create [2019-11-06 19:42:35,774 INFO L138 BoogieDeclarations]: Found implementation of procedure input_ff_destroy [2019-11-06 19:42:35,775 INFO L138 BoogieDeclarations]: Found implementation of procedure input_free_device [2019-11-06 19:42:35,775 INFO L138 BoogieDeclarations]: Found implementation of procedure input_mt_init_slots [2019-11-06 19:42:35,775 INFO L138 BoogieDeclarations]: Found implementation of procedure input_register_device [2019-11-06 19:42:35,776 INFO L138 BoogieDeclarations]: Found implementation of procedure input_unregister_device [2019-11-06 19:42:35,778 INFO L138 BoogieDeclarations]: Found implementation of procedure kstrndup [2019-11-06 19:42:35,779 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value [2019-11-06 19:42:35,779 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler_precall [2019-11-06 19:42:35,780 INFO L138 BoogieDeclarations]: Found implementation of procedure memdup_user [2019-11-06 19:42:35,785 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2019-11-06 19:42:35,785 INFO L138 BoogieDeclarations]: Found implementation of procedure misc_deregister [2019-11-06 19:42:35,785 INFO L138 BoogieDeclarations]: Found implementation of procedure misc_register [2019-11-06 19:42:35,785 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2019-11-06 19:42:35,785 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_interruptible [2019-11-06 19:42:35,785 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_trylock [2019-11-06 19:42:35,785 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2019-11-06 19:42:35,785 INFO L138 BoogieDeclarations]: Found implementation of procedure nonseekable_open [2019-11-06 19:42:35,786 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait [2019-11-06 19:42:35,786 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2019-11-06 19:42:35,786 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2019-11-06 19:42:35,786 INFO L138 BoogieDeclarations]: Found implementation of procedure strndup_user [2019-11-06 19:42:35,786 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion [2019-11-06 19:42:35,786 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_fmt [2019-11-06 19:42:35,786 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-11-06 19:42:35,786 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-11-06 19:42:35,787 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-11-06 19:42:35,787 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-11-06 19:42:35,788 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-06 19:42:35,788 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2019-11-06 19:42:35,788 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2019-11-06 19:42:35,788 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2019-11-06 19:42:35,788 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-06 19:42:35,788 INFO L130 BoogieDeclarations]: Found specification of procedure variable_test_bit [2019-11-06 19:42:35,788 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2019-11-06 19:42:35,788 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2019-11-06 19:42:35,788 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2019-11-06 19:42:35,789 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2019-11-06 19:42:35,789 INFO L130 BoogieDeclarations]: Found specification of procedure strndup_user [2019-11-06 19:42:35,789 INFO L130 BoogieDeclarations]: Found specification of procedure memdup_user [2019-11-06 19:42:35,789 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-11-06 19:42:35,789 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-11-06 19:42:35,789 INFO L130 BoogieDeclarations]: Found specification of procedure kstrndup [2019-11-06 19:42:35,789 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_fmt [2019-11-06 19:42:35,789 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2019-11-06 19:42:35,789 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2019-11-06 19:42:35,790 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2019-11-06 19:42:35,790 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_trylock [2019-11-06 19:42:35,790 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_4 [2019-11-06 19:42:35,790 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2019-11-06 19:42:35,790 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_2 [2019-11-06 19:42:35,790 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_5 [2019-11-06 19:42:35,790 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_7 [2019-11-06 19:42:35,790 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_9 [2019-11-06 19:42:35,790 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_11 [2019-11-06 19:42:35,791 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_13 [2019-11-06 19:42:35,791 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_interruptible [2019-11-06 19:42:35,791 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_6 [2019-11-06 19:42:35,791 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_8 [2019-11-06 19:42:35,791 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_10 [2019-11-06 19:42:35,791 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_12 [2019-11-06 19:42:35,792 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2019-11-06 19:42:35,792 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_1 [2019-11-06 19:42:35,792 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_3 [2019-11-06 19:42:35,792 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock [2019-11-06 19:42:35,792 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock [2019-11-06 19:42:35,792 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mutex_of_device [2019-11-06 19:42:35,792 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_mutex_of_device [2019-11-06 19:42:35,792 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex_of_device [2019-11-06 19:42:35,792 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_mutex_of_uinput_device [2019-11-06 19:42:35,793 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex_of_uinput_device [2019-11-06 19:42:35,793 INFO L130 BoogieDeclarations]: Found specification of procedure current_thread_info [2019-11-06 19:42:35,793 INFO L130 BoogieDeclarations]: Found specification of procedure is_ia32_task [2019-11-06 19:42:35,793 INFO L130 BoogieDeclarations]: Found specification of procedure test_ti_thread_flag [2019-11-06 19:42:35,793 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2019-11-06 19:42:35,793 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock [2019-11-06 19:42:35,793 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irq [2019-11-06 19:42:35,793 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock [2019-11-06 19:42:35,793 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irq [2019-11-06 19:42:35,794 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2019-11-06 19:42:35,794 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2019-11-06 19:42:35,794 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2019-11-06 19:42:35,794 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2019-11-06 19:42:35,794 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2019-11-06 19:42:35,794 INFO L130 BoogieDeclarations]: Found specification of procedure do_gettimeofday [2019-11-06 19:42:35,794 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2019-11-06 19:42:35,794 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2019-11-06 19:42:35,794 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait [2019-11-06 19:42:35,795 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2019-11-06 19:42:35,795 INFO L130 BoogieDeclarations]: Found specification of procedure autoremove_wake_function [2019-11-06 19:42:35,795 INFO L130 BoogieDeclarations]: Found specification of procedure init_completion [2019-11-06 19:42:35,795 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-06 19:42:35,795 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-06 19:42:35,795 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-06 19:42:35,795 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion [2019-11-06 19:42:35,795 INFO L130 BoogieDeclarations]: Found specification of procedure complete [2019-11-06 19:42:35,795 INFO L130 BoogieDeclarations]: Found specification of procedure no_llseek [2019-11-06 19:42:35,796 INFO L130 BoogieDeclarations]: Found specification of procedure nonseekable_open [2019-11-06 19:42:35,796 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2019-11-06 19:42:35,796 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2019-11-06 19:42:35,796 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2019-11-06 19:42:35,796 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2019-11-06 19:42:35,796 INFO L130 BoogieDeclarations]: Found specification of procedure poll_wait [2019-11-06 19:42:35,796 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~VOID [2019-11-06 19:42:35,796 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-06 19:42:35,796 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2019-11-06 19:42:35,797 INFO L130 BoogieDeclarations]: Found specification of procedure test_tsk_thread_flag [2019-11-06 19:42:35,797 INFO L130 BoogieDeclarations]: Found specification of procedure signal_pending [2019-11-06 19:42:35,797 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-11-06 19:42:35,797 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-06 19:42:35,797 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-11-06 19:42:35,797 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-11-06 19:42:35,797 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2019-11-06 19:42:35,797 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-11-06 19:42:35,797 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-06 19:42:35,798 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2019-11-06 19:42:35,798 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2019-11-06 19:42:35,798 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2019-11-06 19:42:35,798 INFO L130 BoogieDeclarations]: Found specification of procedure misc_register [2019-11-06 19:42:35,798 INFO L130 BoogieDeclarations]: Found specification of procedure misc_deregister [2019-11-06 19:42:35,798 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2019-11-06 19:42:35,798 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2019-11-06 19:42:35,798 INFO L130 BoogieDeclarations]: Found specification of procedure input_allocate_device [2019-11-06 19:42:35,798 INFO L130 BoogieDeclarations]: Found specification of procedure input_free_device [2019-11-06 19:42:35,799 INFO L130 BoogieDeclarations]: Found specification of procedure input_get_drvdata [2019-11-06 19:42:35,799 INFO L130 BoogieDeclarations]: Found specification of procedure input_set_drvdata [2019-11-06 19:42:35,799 INFO L130 BoogieDeclarations]: Found specification of procedure input_register_device [2019-11-06 19:42:35,799 INFO L130 BoogieDeclarations]: Found specification of procedure input_unregister_device [2019-11-06 19:42:35,799 INFO L130 BoogieDeclarations]: Found specification of procedure input_event [2019-11-06 19:42:35,799 INFO L130 BoogieDeclarations]: Found specification of procedure input_set_events_per_packet [2019-11-06 19:42:35,799 INFO L130 BoogieDeclarations]: Found specification of procedure input_alloc_absinfo [2019-11-06 19:42:35,799 INFO L130 BoogieDeclarations]: Found specification of procedure input_abs_get_min [2019-11-06 19:42:35,800 INFO L130 BoogieDeclarations]: Found specification of procedure input_abs_set_min [2019-11-06 19:42:35,803 INFO L130 BoogieDeclarations]: Found specification of procedure input_abs_get_max [2019-11-06 19:42:35,803 INFO L130 BoogieDeclarations]: Found specification of procedure input_abs_set_max [2019-11-06 19:42:35,803 INFO L130 BoogieDeclarations]: Found specification of procedure input_abs_set_fuzz [2019-11-06 19:42:35,804 INFO L130 BoogieDeclarations]: Found specification of procedure input_abs_get_flat [2019-11-06 19:42:35,804 INFO L130 BoogieDeclarations]: Found specification of procedure input_abs_set_flat [2019-11-06 19:42:35,806 INFO L130 BoogieDeclarations]: Found specification of procedure input_ff_create [2019-11-06 19:42:35,806 INFO L130 BoogieDeclarations]: Found specification of procedure input_ff_destroy [2019-11-06 19:42:35,807 INFO L130 BoogieDeclarations]: Found specification of procedure input_mt_init_slots [2019-11-06 19:42:35,807 INFO L130 BoogieDeclarations]: Found specification of procedure compat_ptr [2019-11-06 19:42:35,807 INFO L130 BoogieDeclarations]: Found specification of procedure is_x32_task [2019-11-06 19:42:35,807 INFO L130 BoogieDeclarations]: Found specification of procedure is_compat_task [2019-11-06 19:42:35,807 INFO L130 BoogieDeclarations]: Found specification of procedure input_event_size [2019-11-06 19:42:35,807 INFO L130 BoogieDeclarations]: Found specification of procedure input_event_from_user [2019-11-06 19:42:35,807 INFO L130 BoogieDeclarations]: Found specification of procedure input_event_to_user [2019-11-06 19:42:35,807 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_dev_event [2019-11-06 19:42:35,808 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_request_alloc_id [2019-11-06 19:42:35,808 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-06 19:42:35,808 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_request_find [2019-11-06 19:42:35,808 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_request_reserve_slot [2019-11-06 19:42:35,808 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_request_done [2019-11-06 19:42:35,808 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_request_send [2019-11-06 19:42:35,809 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_request_submit [2019-11-06 19:42:35,809 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_flush_requests [2019-11-06 19:42:35,809 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_dev_set_gain [2019-11-06 19:42:35,809 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_dev_set_autocenter [2019-11-06 19:42:35,809 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_dev_playback [2019-11-06 19:42:35,809 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_dev_upload_effect [2019-11-06 19:42:35,809 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_dev_erase_effect [2019-11-06 19:42:35,809 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_destroy_device [2019-11-06 19:42:35,809 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_create_device [2019-11-06 19:42:35,810 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_open [2019-11-06 19:42:35,810 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_validate_absbits [2019-11-06 19:42:35,810 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_allocate_device [2019-11-06 19:42:35,810 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_setup_device [2019-11-06 19:42:35,810 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_inject_event [2019-11-06 19:42:35,810 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_write [2019-11-06 19:42:35,811 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_fetch_next_event [2019-11-06 19:42:35,811 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_events_to_user [2019-11-06 19:42:35,811 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_read [2019-11-06 19:42:35,811 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_poll [2019-11-06 19:42:35,811 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_release [2019-11-06 19:42:35,811 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_ff_upload_to_user [2019-11-06 19:42:35,812 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-11-06 19:42:35,812 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_ff_upload_from_user [2019-11-06 19:42:35,812 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_ioctl_handler [2019-11-06 19:42:35,812 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-11-06 19:42:35,812 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_ioctl [2019-11-06 19:42:35,812 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_compat_ioctl [2019-11-06 19:42:35,812 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_init [2019-11-06 19:42:35,812 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_exit [2019-11-06 19:42:35,813 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-11-06 19:42:35,813 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value [2019-11-06 19:42:35,813 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-11-06 19:42:35,813 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler_precall [2019-11-06 19:42:35,813 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-06 19:42:35,814 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2019-11-06 19:42:35,814 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_lock [2019-11-06 19:42:35,814 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_lock [2019-11-06 19:42:35,814 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_lock [2019-11-06 19:42:35,814 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_lock [2019-11-06 19:42:35,815 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_lock [2019-11-06 19:42:35,815 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_mutex_of_device [2019-11-06 19:42:35,815 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_mutex_of_device [2019-11-06 19:42:35,815 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2019-11-06 19:42:35,815 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_mutex_of_device [2019-11-06 19:42:35,815 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_mutex_of_uinput_device [2019-11-06 19:42:35,815 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mutex_of_uinput_device [2019-11-06 19:42:35,816 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_mutex_of_uinput_device [2019-11-06 19:42:35,816 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_uinput_device [2019-11-06 19:42:35,816 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_mutex_of_uinput_device [2019-11-06 19:42:35,816 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-11-06 19:42:35,816 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-11-06 19:42:35,816 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-11-06 19:42:35,817 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-11-06 19:42:35,817 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-06 19:42:35,817 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-06 19:42:35,817 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-11-06 19:42:35,817 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-06 19:42:35,818 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2019-11-06 19:42:35,818 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2019-11-06 19:42:35,818 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-11-06 19:42:35,818 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-11-06 19:42:46,264 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-06 19:42:46,264 INFO L284 CfgBuilder]: Removed 0 assume(true) statements. [2019-11-06 19:42:46,266 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 07:42:46 BoogieIcfgContainer [2019-11-06 19:42:46,267 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-06 19:42:46,268 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-06 19:42:46,268 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-06 19:42:46,271 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-06 19:42:46,271 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 07:42:33" (1/3) ... [2019-11-06 19:42:46,272 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b0e1601 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 07:42:46, skipping insertion in model container [2019-11-06 19:42:46,272 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 07:42:35" (2/3) ... [2019-11-06 19:42:46,273 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b0e1601 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 07:42:46, skipping insertion in model container [2019-11-06 19:42:46,273 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 07:42:46" (3/3) ... [2019-11-06 19:42:46,275 INFO L109 eAbstractionObserver]: Analyzing ICFG linux-3.8-rc1-32_7a-drivers--input--misc--uinput.ko-ldv_main0.cil.out.i [2019-11-06 19:42:46,285 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-06 19:42:46,295 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-06 19:42:46,312 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-06 19:42:46,356 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-06 19:42:46,357 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-06 19:42:46,357 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-06 19:42:46,357 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-06 19:42:46,357 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-06 19:42:46,357 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-06 19:42:46,357 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-06 19:42:46,358 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-06 19:42:46,410 INFO L276 IsEmpty]: Start isEmpty. Operand 1131 states. [2019-11-06 19:42:46,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2019-11-06 19:42:46,420 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 19:42:46,422 INFO L410 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] [2019-11-06 19:42:46,424 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 19:42:46,434 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 19:42:46,434 INFO L82 PathProgramCache]: Analyzing trace with hash 1245439551, now seen corresponding path program 1 times [2019-11-06 19:42:46,448 INFO L161 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-06 19:42:46,449 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [597886059] [2019-11-06 19:42:46,450 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 19:42:46,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 19:42:47,184 WARN L191 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2019-11-06 19:42:47,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 19:42:47,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 19:42:47,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 19:42:47,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 19:42:47,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 19:42:47,307 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-06 19:42:47,308 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [597886059] [2019-11-06 19:42:47,309 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-06 19:42:47,309 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-06 19:42:47,311 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [158097155] [2019-11-06 19:42:47,316 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-06 19:42:47,316 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-06 19:42:47,330 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-06 19:42:47,330 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-11-06 19:42:47,333 INFO L87 Difference]: Start difference. First operand 1131 states. Second operand 5 states. [2019-11-06 19:42:47,657 WARN L191 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2019-11-06 19:43:06,314 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-06 19:43:06,315 INFO L93 Difference]: Finished difference Result 2052 states and 2734 transitions. [2019-11-06 19:43:06,316 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-06 19:43:06,318 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 28 [2019-11-06 19:43:06,318 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-06 19:43:06,348 INFO L225 Difference]: With dead ends: 2052 [2019-11-06 19:43:06,348 INFO L226 Difference]: Without dead ends: 1136 [2019-11-06 19:43:06,359 INFO L630 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 [2019-11-06 19:43:06,379 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1136 states. [2019-11-06 19:43:06,536 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1136 to 921. [2019-11-06 19:43:06,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 921 states. [2019-11-06 19:43:06,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 921 states to 921 states and 1180 transitions. [2019-11-06 19:43:06,547 INFO L78 Accepts]: Start accepts. Automaton has 921 states and 1180 transitions. Word has length 28 [2019-11-06 19:43:06,547 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-06 19:43:06,547 INFO L462 AbstractCegarLoop]: Abstraction has 921 states and 1180 transitions. [2019-11-06 19:43:06,547 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-06 19:43:06,548 INFO L276 IsEmpty]: Start isEmpty. Operand 921 states and 1180 transitions. [2019-11-06 19:43:06,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2019-11-06 19:43:06,550 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 19:43:06,550 INFO L410 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] [2019-11-06 19:43:06,550 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 19:43:06,551 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 19:43:06,551 INFO L82 PathProgramCache]: Analyzing trace with hash -46644403, now seen corresponding path program 1 times [2019-11-06 19:43:06,551 INFO L161 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-06 19:43:06,551 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [81803978] [2019-11-06 19:43:06,551 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 19:43:06,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 19:43:06,779 WARN L191 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2019-11-06 19:43:06,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 19:43:06,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 19:43:06,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 19:43:06,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 19:43:06,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 19:43:06,838 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-06 19:43:06,839 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [81803978] [2019-11-06 19:43:06,839 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-06 19:43:06,839 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-06 19:43:06,839 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [129739461] [2019-11-06 19:43:06,841 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-06 19:43:06,842 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-06 19:43:06,842 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-06 19:43:06,842 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-11-06 19:43:06,842 INFO L87 Difference]: Start difference. First operand 921 states and 1180 transitions. Second operand 5 states. [2019-11-06 19:43:07,101 WARN L191 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 123