/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -tc ../../../trunk/examples/toolchains/AutomizerC.xml -i ../sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--input--misc--uinput.ko-ldv_main0.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-03-31 02:40:27,623 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-03-31 02:40:27,625 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-03-31 02:40:27,666 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-03-31 02:40:27,666 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-03-31 02:40:27,669 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-03-31 02:40:27,672 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-03-31 02:40:27,675 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-03-31 02:40:27,678 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-03-31 02:40:27,682 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-03-31 02:40:27,684 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-03-31 02:40:27,685 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-03-31 02:40:27,685 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-03-31 02:40:27,687 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-03-31 02:40:27,688 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-03-31 02:40:27,688 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-03-31 02:40:27,689 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-03-31 02:40:27,689 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-03-31 02:40:27,691 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-03-31 02:40:27,692 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-03-31 02:40:27,693 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-03-31 02:40:27,694 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-03-31 02:40:27,695 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-03-31 02:40:27,696 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-03-31 02:40:27,700 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-03-31 02:40:27,701 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-03-31 02:40:27,701 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-03-31 02:40:27,702 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-03-31 02:40:27,702 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-03-31 02:40:27,703 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-03-31 02:40:27,703 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-03-31 02:40:27,703 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-03-31 02:40:27,704 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-03-31 02:40:27,704 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-03-31 02:40:27,705 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-03-31 02:40:27,705 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-03-31 02:40:27,706 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-03-31 02:40:27,706 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-03-31 02:40:27,706 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-03-31 02:40:27,707 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-03-31 02:40:27,707 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-03-31 02:40:27,708 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 [2023-03-31 02:40:27,733 INFO L113 SettingsManager]: Loading preferences was successful [2023-03-31 02:40:27,733 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-03-31 02:40:27,733 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-03-31 02:40:27,733 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-03-31 02:40:27,734 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-03-31 02:40:27,734 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-03-31 02:40:27,735 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-03-31 02:40:27,735 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-03-31 02:40:27,735 INFO L138 SettingsManager]: * Use SBE=true [2023-03-31 02:40:27,735 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-03-31 02:40:27,735 INFO L138 SettingsManager]: * sizeof long=4 [2023-03-31 02:40:27,735 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-03-31 02:40:27,735 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-03-31 02:40:27,736 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-03-31 02:40:27,736 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-03-31 02:40:27,736 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-03-31 02:40:27,736 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-03-31 02:40:27,736 INFO L138 SettingsManager]: * sizeof long double=12 [2023-03-31 02:40:27,736 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-03-31 02:40:27,736 INFO L138 SettingsManager]: * Use constant arrays=true [2023-03-31 02:40:27,737 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-03-31 02:40:27,737 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-03-31 02:40:27,737 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-03-31 02:40:27,737 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-03-31 02:40:27,737 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-03-31 02:40:27,737 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-03-31 02:40:27,737 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-03-31 02:40:27,738 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-03-31 02:40:27,738 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-03-31 02:40:27,738 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-03-31 02:40:27,738 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-03-31 02:40:27,738 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-03-31 02:40:27,738 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-03-31 02:40:27,738 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-03-31 02:40:27,738 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-03-31 02:40:27,738 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-03-31 02:40:27,977 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-03-31 02:40:28,004 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-03-31 02:40:28,007 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-03-31 02:40:28,008 INFO L271 PluginConnector]: Initializing CDTParser... [2023-03-31 02:40:28,008 INFO L275 PluginConnector]: CDTParser initialized [2023-03-31 02:40:28,009 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--input--misc--uinput.ko-ldv_main0.cil.out.i [2023-03-31 02:40:29,117 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-03-31 02:40:29,513 INFO L351 CDTParser]: Found 1 translation units. [2023-03-31 02:40:29,513 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--input--misc--uinput.ko-ldv_main0.cil.out.i [2023-03-31 02:40:29,544 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/159ca1391/c0eebb92f4164d7f85ee02bbd8b72dac/FLAG4f081a76d [2023-03-31 02:40:29,558 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/159ca1391/c0eebb92f4164d7f85ee02bbd8b72dac [2023-03-31 02:40:29,561 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-03-31 02:40:29,562 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-03-31 02:40:29,564 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-03-31 02:40:29,564 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-03-31 02:40:29,567 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-03-31 02:40:29,567 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.03 02:40:29" (1/1) ... [2023-03-31 02:40:29,568 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@729772da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 02:40:29, skipping insertion in model container [2023-03-31 02:40:29,569 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.03 02:40:29" (1/1) ... [2023-03-31 02:40:29,575 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-03-31 02:40:29,658 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-03-31 02:40:30,828 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--input--misc--uinput.ko-ldv_main0.cil.out.i[133672,133685] [2023-03-31 02:40:30,886 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-03-31 02:40:30,903 INFO L203 MainTranslator]: Completed pre-run [2023-03-31 02:40:31,087 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--input--misc--uinput.ko-ldv_main0.cil.out.i[133672,133685] [2023-03-31 02:40:31,106 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-03-31 02:40:31,149 WARN L667 CHandler]: The function __bad_percpu_size is called, but not defined or handled by StandardFunctionHandler. [2023-03-31 02:40:31,155 INFO L208 MainTranslator]: Completed translation [2023-03-31 02:40:31,156 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 02:40:31 WrapperNode [2023-03-31 02:40:31,156 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-03-31 02:40:31,157 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-03-31 02:40:31,157 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-03-31 02:40:31,157 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-03-31 02:40:31,168 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 02:40:31" (1/1) ... [2023-03-31 02:40:31,168 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 02:40:31" (1/1) ... [2023-03-31 02:40:31,234 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 02:40:31" (1/1) ... [2023-03-31 02:40:31,234 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 02:40:31" (1/1) ... [2023-03-31 02:40:31,332 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 02:40:31" (1/1) ... [2023-03-31 02:40:31,355 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 02:40:31" (1/1) ... [2023-03-31 02:40:31,378 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 02:40:31" (1/1) ... [2023-03-31 02:40:31,395 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 02:40:31" (1/1) ... [2023-03-31 02:40:31,416 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-03-31 02:40:31,417 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-03-31 02:40:31,417 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-03-31 02:40:31,417 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-03-31 02:40:31,418 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 02:40:31" (1/1) ... [2023-03-31 02:40:31,423 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-03-31 02:40:31,433 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-31 02:40:31,446 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-03-31 02:40:31,467 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-03-31 02:40:31,486 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-03-31 02:40:31,488 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-03-31 02:40:31,488 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~VOID [2023-03-31 02:40:31,488 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-03-31 02:40:31,488 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2023-03-31 02:40:31,488 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2023-03-31 02:40:31,488 INFO L138 BoogieDeclarations]: Found implementation of procedure variable_test_bit [2023-03-31 02:40:31,488 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2023-03-31 02:40:31,488 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2023-03-31 02:40:31,488 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2023-03-31 02:40:31,489 INFO L138 BoogieDeclarations]: Found implementation of procedure current_thread_info [2023-03-31 02:40:31,489 INFO L138 BoogieDeclarations]: Found implementation of procedure is_ia32_task [2023-03-31 02:40:31,489 INFO L138 BoogieDeclarations]: Found implementation of procedure test_ti_thread_flag [2023-03-31 02:40:31,489 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2023-03-31 02:40:31,489 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2023-03-31 02:40:31,489 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2023-03-31 02:40:31,489 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2023-03-31 02:40:31,489 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2023-03-31 02:40:31,489 INFO L138 BoogieDeclarations]: Found implementation of procedure init_completion [2023-03-31 02:40:31,489 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2023-03-31 02:40:31,489 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2023-03-31 02:40:31,489 INFO L138 BoogieDeclarations]: Found implementation of procedure poll_wait [2023-03-31 02:40:31,490 INFO L138 BoogieDeclarations]: Found implementation of procedure test_tsk_thread_flag [2023-03-31 02:40:31,490 INFO L138 BoogieDeclarations]: Found implementation of procedure signal_pending [2023-03-31 02:40:31,490 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-03-31 02:40:31,490 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-03-31 02:40:31,490 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-03-31 02:40:31,490 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2023-03-31 02:40:31,490 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2023-03-31 02:40:31,490 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2023-03-31 02:40:31,490 INFO L138 BoogieDeclarations]: Found implementation of procedure input_allocate_device [2023-03-31 02:40:31,490 INFO L138 BoogieDeclarations]: Found implementation of procedure input_get_drvdata [2023-03-31 02:40:31,490 INFO L138 BoogieDeclarations]: Found implementation of procedure input_set_drvdata [2023-03-31 02:40:31,491 INFO L138 BoogieDeclarations]: Found implementation of procedure input_set_events_per_packet [2023-03-31 02:40:31,491 INFO L138 BoogieDeclarations]: Found implementation of procedure input_abs_get_min [2023-03-31 02:40:31,491 INFO L138 BoogieDeclarations]: Found implementation of procedure input_abs_set_min [2023-03-31 02:40:31,491 INFO L138 BoogieDeclarations]: Found implementation of procedure input_abs_get_max [2023-03-31 02:40:31,491 INFO L138 BoogieDeclarations]: Found implementation of procedure input_abs_set_max [2023-03-31 02:40:31,491 INFO L138 BoogieDeclarations]: Found implementation of procedure input_abs_set_fuzz [2023-03-31 02:40:31,491 INFO L138 BoogieDeclarations]: Found implementation of procedure input_abs_get_flat [2023-03-31 02:40:31,491 INFO L138 BoogieDeclarations]: Found implementation of procedure input_abs_set_flat [2023-03-31 02:40:31,491 INFO L138 BoogieDeclarations]: Found implementation of procedure compat_ptr [2023-03-31 02:40:31,492 INFO L138 BoogieDeclarations]: Found implementation of procedure is_x32_task [2023-03-31 02:40:31,492 INFO L138 BoogieDeclarations]: Found implementation of procedure is_compat_task [2023-03-31 02:40:31,492 INFO L138 BoogieDeclarations]: Found implementation of procedure input_event_size [2023-03-31 02:40:31,492 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_dev_event [2023-03-31 02:40:31,492 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_request_alloc_id [2023-03-31 02:40:31,492 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_request_find [2023-03-31 02:40:31,493 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_request_reserve_slot [2023-03-31 02:40:31,493 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_request_done [2023-03-31 02:40:31,493 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_request_send [2023-03-31 02:40:31,493 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_request_submit [2023-03-31 02:40:31,493 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_flush_requests [2023-03-31 02:40:31,494 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_dev_set_gain [2023-03-31 02:40:31,494 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_dev_set_autocenter [2023-03-31 02:40:31,494 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_dev_playback [2023-03-31 02:40:31,494 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_dev_upload_effect [2023-03-31 02:40:31,494 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_dev_erase_effect [2023-03-31 02:40:31,494 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_destroy_device [2023-03-31 02:40:31,495 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_create_device [2023-03-31 02:40:31,495 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_open [2023-03-31 02:40:31,495 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_validate_absbits [2023-03-31 02:40:31,495 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_allocate_device [2023-03-31 02:40:31,495 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_setup_device [2023-03-31 02:40:31,495 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_inject_event [2023-03-31 02:40:31,495 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_write [2023-03-31 02:40:31,496 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_fetch_next_event [2023-03-31 02:40:31,496 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_events_to_user [2023-03-31 02:40:31,496 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_read [2023-03-31 02:40:31,496 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_poll [2023-03-31 02:40:31,496 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_release [2023-03-31 02:40:31,496 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_ff_upload_to_user [2023-03-31 02:40:31,496 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_ff_upload_from_user [2023-03-31 02:40:31,496 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_ioctl_handler [2023-03-31 02:40:31,496 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_ioctl [2023-03-31 02:40:31,496 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_compat_ioctl [2023-03-31 02:40:31,497 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_init [2023-03-31 02:40:31,497 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_exit [2023-03-31 02:40:31,497 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-03-31 02:40:31,497 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_1 [2023-03-31 02:40:31,497 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_2 [2023-03-31 02:40:31,498 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_3 [2023-03-31 02:40:31,498 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_4 [2023-03-31 02:40:31,498 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_5 [2023-03-31 02:40:31,498 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_6 [2023-03-31 02:40:31,498 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_7 [2023-03-31 02:40:31,498 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_8 [2023-03-31 02:40:31,499 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_9 [2023-03-31 02:40:31,499 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_10 [2023-03-31 02:40:31,499 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_11 [2023-03-31 02:40:31,499 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_12 [2023-03-31 02:40:31,499 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_13 [2023-03-31 02:40:31,500 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-03-31 02:40:31,500 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-03-31 02:40:31,500 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_lock [2023-03-31 02:40:31,500 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_lock [2023-03-31 02:40:31,500 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock [2023-03-31 02:40:31,500 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_lock [2023-03-31 02:40:31,500 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_lock [2023-03-31 02:40:31,500 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_lock [2023-03-31 02:40:31,500 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock [2023-03-31 02:40:31,501 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_mutex_of_device [2023-03-31 02:40:31,501 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_mutex_of_device [2023-03-31 02:40:31,501 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mutex_of_device [2023-03-31 02:40:31,501 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_mutex_of_device [2023-03-31 02:40:31,501 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2023-03-31 02:40:31,501 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_mutex_of_device [2023-03-31 02:40:31,501 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex_of_device [2023-03-31 02:40:31,501 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_mutex_of_uinput_device [2023-03-31 02:40:31,501 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_mutex_of_uinput_device [2023-03-31 02:40:31,502 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mutex_of_uinput_device [2023-03-31 02:40:31,502 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_mutex_of_uinput_device [2023-03-31 02:40:31,502 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_uinput_device [2023-03-31 02:40:31,502 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_mutex_of_uinput_device [2023-03-31 02:40:31,502 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex_of_uinput_device [2023-03-31 02:40:31,502 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2023-03-31 02:40:31,503 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2023-03-31 02:40:31,503 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2023-03-31 02:40:31,503 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2023-03-31 02:40:31,503 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2023-03-31 02:40:31,503 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2023-03-31 02:40:31,503 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2023-03-31 02:40:31,503 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2023-03-31 02:40:31,504 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock [2023-03-31 02:40:31,504 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irq [2023-03-31 02:40:31,504 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock [2023-03-31 02:40:31,504 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irq [2023-03-31 02:40:31,504 INFO L138 BoogieDeclarations]: Found implementation of procedure complete [2023-03-31 02:40:31,504 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2023-03-31 02:40:31,504 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2023-03-31 02:40:31,504 INFO L138 BoogieDeclarations]: Found implementation of procedure do_gettimeofday [2023-03-31 02:40:31,504 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2023-03-31 02:40:31,504 INFO L138 BoogieDeclarations]: Found implementation of procedure input_alloc_absinfo [2023-03-31 02:40:31,504 INFO L138 BoogieDeclarations]: Found implementation of procedure input_event [2023-03-31 02:40:31,505 INFO L138 BoogieDeclarations]: Found implementation of procedure input_event_from_user [2023-03-31 02:40:31,505 INFO L138 BoogieDeclarations]: Found implementation of procedure input_event_to_user [2023-03-31 02:40:31,505 INFO L138 BoogieDeclarations]: Found implementation of procedure input_ff_create [2023-03-31 02:40:31,505 INFO L138 BoogieDeclarations]: Found implementation of procedure input_ff_destroy [2023-03-31 02:40:31,505 INFO L138 BoogieDeclarations]: Found implementation of procedure input_free_device [2023-03-31 02:40:31,505 INFO L138 BoogieDeclarations]: Found implementation of procedure input_mt_init_slots [2023-03-31 02:40:31,505 INFO L138 BoogieDeclarations]: Found implementation of procedure input_register_device [2023-03-31 02:40:31,505 INFO L138 BoogieDeclarations]: Found implementation of procedure input_unregister_device [2023-03-31 02:40:31,505 INFO L138 BoogieDeclarations]: Found implementation of procedure kstrndup [2023-03-31 02:40:31,505 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value [2023-03-31 02:40:31,506 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler_precall [2023-03-31 02:40:31,506 INFO L138 BoogieDeclarations]: Found implementation of procedure memdup_user [2023-03-31 02:40:31,506 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2023-03-31 02:40:31,506 INFO L138 BoogieDeclarations]: Found implementation of procedure misc_deregister [2023-03-31 02:40:31,506 INFO L138 BoogieDeclarations]: Found implementation of procedure misc_register [2023-03-31 02:40:31,506 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2023-03-31 02:40:31,506 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_interruptible [2023-03-31 02:40:31,506 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_trylock [2023-03-31 02:40:31,506 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2023-03-31 02:40:31,506 INFO L138 BoogieDeclarations]: Found implementation of procedure nonseekable_open [2023-03-31 02:40:31,506 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait [2023-03-31 02:40:31,507 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-03-31 02:40:31,507 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2023-03-31 02:40:31,507 INFO L138 BoogieDeclarations]: Found implementation of procedure strndup_user [2023-03-31 02:40:31,507 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion [2023-03-31 02:40:31,507 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_fmt [2023-03-31 02:40:31,507 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-03-31 02:40:31,508 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-03-31 02:40:31,508 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-03-31 02:40:31,508 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-03-31 02:40:31,508 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-03-31 02:40:31,508 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2023-03-31 02:40:31,508 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2023-03-31 02:40:31,508 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-03-31 02:40:31,508 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-03-31 02:40:31,508 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-03-31 02:40:31,508 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2023-03-31 02:40:31,508 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2023-03-31 02:40:31,509 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-03-31 02:40:31,509 INFO L130 BoogieDeclarations]: Found specification of procedure variable_test_bit [2023-03-31 02:40:31,509 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-03-31 02:40:31,509 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2023-03-31 02:40:31,509 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2023-03-31 02:40:31,509 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2023-03-31 02:40:31,509 INFO L130 BoogieDeclarations]: Found specification of procedure strndup_user [2023-03-31 02:40:31,509 INFO L130 BoogieDeclarations]: Found specification of procedure memdup_user [2023-03-31 02:40:31,509 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2023-03-31 02:40:31,510 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2023-03-31 02:40:31,510 INFO L130 BoogieDeclarations]: Found specification of procedure kstrndup [2023-03-31 02:40:31,510 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_fmt [2023-03-31 02:40:31,510 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2023-03-31 02:40:31,510 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2023-03-31 02:40:31,510 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2023-03-31 02:40:31,510 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_trylock [2023-03-31 02:40:31,510 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_4 [2023-03-31 02:40:31,510 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2023-03-31 02:40:31,510 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_2 [2023-03-31 02:40:31,510 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_5 [2023-03-31 02:40:31,511 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_7 [2023-03-31 02:40:31,511 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_9 [2023-03-31 02:40:31,511 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_11 [2023-03-31 02:40:31,511 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_13 [2023-03-31 02:40:31,511 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_interruptible [2023-03-31 02:40:31,511 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_6 [2023-03-31 02:40:31,511 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_8 [2023-03-31 02:40:31,511 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_10 [2023-03-31 02:40:31,511 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_12 [2023-03-31 02:40:31,511 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2023-03-31 02:40:31,511 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_1 [2023-03-31 02:40:31,511 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_3 [2023-03-31 02:40:31,512 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock [2023-03-31 02:40:31,512 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock [2023-03-31 02:40:31,512 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mutex_of_device [2023-03-31 02:40:31,512 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_mutex_of_device [2023-03-31 02:40:31,512 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex_of_device [2023-03-31 02:40:31,512 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_mutex_of_uinput_device [2023-03-31 02:40:31,512 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex_of_uinput_device [2023-03-31 02:40:31,512 INFO L130 BoogieDeclarations]: Found specification of procedure current_thread_info [2023-03-31 02:40:31,512 INFO L130 BoogieDeclarations]: Found specification of procedure is_ia32_task [2023-03-31 02:40:31,512 INFO L130 BoogieDeclarations]: Found specification of procedure test_ti_thread_flag [2023-03-31 02:40:31,512 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2023-03-31 02:40:31,512 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock [2023-03-31 02:40:31,513 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irq [2023-03-31 02:40:31,513 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock [2023-03-31 02:40:31,513 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irq [2023-03-31 02:40:31,513 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2023-03-31 02:40:31,513 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2023-03-31 02:40:31,513 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2023-03-31 02:40:31,513 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2023-03-31 02:40:31,513 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2023-03-31 02:40:31,513 INFO L130 BoogieDeclarations]: Found specification of procedure do_gettimeofday [2023-03-31 02:40:31,513 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2023-03-31 02:40:31,513 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2023-03-31 02:40:31,514 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait [2023-03-31 02:40:31,514 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2023-03-31 02:40:31,514 INFO L130 BoogieDeclarations]: Found specification of procedure autoremove_wake_function [2023-03-31 02:40:31,514 INFO L130 BoogieDeclarations]: Found specification of procedure init_completion [2023-03-31 02:40:31,514 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-03-31 02:40:31,514 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-03-31 02:40:31,514 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-03-31 02:40:31,514 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion [2023-03-31 02:40:31,514 INFO L130 BoogieDeclarations]: Found specification of procedure complete [2023-03-31 02:40:31,514 INFO L130 BoogieDeclarations]: Found specification of procedure no_llseek [2023-03-31 02:40:31,514 INFO L130 BoogieDeclarations]: Found specification of procedure nonseekable_open [2023-03-31 02:40:31,515 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2023-03-31 02:40:31,515 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2023-03-31 02:40:31,515 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2023-03-31 02:40:31,515 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2023-03-31 02:40:31,515 INFO L130 BoogieDeclarations]: Found specification of procedure poll_wait [2023-03-31 02:40:31,515 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~VOID [2023-03-31 02:40:31,515 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-03-31 02:40:31,515 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2023-03-31 02:40:31,515 INFO L130 BoogieDeclarations]: Found specification of procedure test_tsk_thread_flag [2023-03-31 02:40:31,515 INFO L130 BoogieDeclarations]: Found specification of procedure signal_pending [2023-03-31 02:40:31,515 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-03-31 02:40:31,516 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-03-31 02:40:31,516 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-03-31 02:40:31,516 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2023-03-31 02:40:31,516 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-03-31 02:40:31,516 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-03-31 02:40:31,516 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-03-31 02:40:31,516 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2023-03-31 02:40:31,518 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2023-03-31 02:40:31,518 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2023-03-31 02:40:31,519 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2023-03-31 02:40:31,519 INFO L130 BoogieDeclarations]: Found specification of procedure misc_register [2023-03-31 02:40:31,519 INFO L130 BoogieDeclarations]: Found specification of procedure misc_deregister [2023-03-31 02:40:31,519 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2023-03-31 02:40:31,519 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2023-03-31 02:40:31,519 INFO L130 BoogieDeclarations]: Found specification of procedure input_allocate_device [2023-03-31 02:40:31,519 INFO L130 BoogieDeclarations]: Found specification of procedure input_free_device [2023-03-31 02:40:31,519 INFO L130 BoogieDeclarations]: Found specification of procedure input_get_drvdata [2023-03-31 02:40:31,519 INFO L130 BoogieDeclarations]: Found specification of procedure input_set_drvdata [2023-03-31 02:40:31,519 INFO L130 BoogieDeclarations]: Found specification of procedure input_register_device [2023-03-31 02:40:31,520 INFO L130 BoogieDeclarations]: Found specification of procedure input_unregister_device [2023-03-31 02:40:31,520 INFO L130 BoogieDeclarations]: Found specification of procedure input_event [2023-03-31 02:40:31,520 INFO L130 BoogieDeclarations]: Found specification of procedure input_set_events_per_packet [2023-03-31 02:40:31,520 INFO L130 BoogieDeclarations]: Found specification of procedure input_alloc_absinfo [2023-03-31 02:40:31,520 INFO L130 BoogieDeclarations]: Found specification of procedure input_abs_get_min [2023-03-31 02:40:31,520 INFO L130 BoogieDeclarations]: Found specification of procedure input_abs_set_min [2023-03-31 02:40:31,520 INFO L130 BoogieDeclarations]: Found specification of procedure input_abs_get_max [2023-03-31 02:40:31,520 INFO L130 BoogieDeclarations]: Found specification of procedure input_abs_set_max [2023-03-31 02:40:31,520 INFO L130 BoogieDeclarations]: Found specification of procedure input_abs_set_fuzz [2023-03-31 02:40:31,520 INFO L130 BoogieDeclarations]: Found specification of procedure input_abs_get_flat [2023-03-31 02:40:31,520 INFO L130 BoogieDeclarations]: Found specification of procedure input_abs_set_flat [2023-03-31 02:40:31,520 INFO L130 BoogieDeclarations]: Found specification of procedure input_ff_create [2023-03-31 02:40:31,521 INFO L130 BoogieDeclarations]: Found specification of procedure input_ff_destroy [2023-03-31 02:40:31,521 INFO L130 BoogieDeclarations]: Found specification of procedure input_mt_init_slots [2023-03-31 02:40:31,521 INFO L130 BoogieDeclarations]: Found specification of procedure compat_ptr [2023-03-31 02:40:31,521 INFO L130 BoogieDeclarations]: Found specification of procedure is_x32_task [2023-03-31 02:40:31,521 INFO L130 BoogieDeclarations]: Found specification of procedure is_compat_task [2023-03-31 02:40:31,521 INFO L130 BoogieDeclarations]: Found specification of procedure input_event_size [2023-03-31 02:40:31,521 INFO L130 BoogieDeclarations]: Found specification of procedure input_event_from_user [2023-03-31 02:40:31,521 INFO L130 BoogieDeclarations]: Found specification of procedure input_event_to_user [2023-03-31 02:40:31,521 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_dev_event [2023-03-31 02:40:31,521 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_request_alloc_id [2023-03-31 02:40:31,521 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-03-31 02:40:31,522 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_request_find [2023-03-31 02:40:31,522 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_request_reserve_slot [2023-03-31 02:40:31,522 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_request_done [2023-03-31 02:40:31,522 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_request_send [2023-03-31 02:40:31,522 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_request_submit [2023-03-31 02:40:31,522 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_flush_requests [2023-03-31 02:40:31,522 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_dev_set_gain [2023-03-31 02:40:31,522 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_dev_set_autocenter [2023-03-31 02:40:31,522 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_dev_playback [2023-03-31 02:40:31,522 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_dev_upload_effect [2023-03-31 02:40:31,522 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_dev_erase_effect [2023-03-31 02:40:31,522 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_destroy_device [2023-03-31 02:40:31,523 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_create_device [2023-03-31 02:40:31,523 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_open [2023-03-31 02:40:31,523 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_validate_absbits [2023-03-31 02:40:31,523 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_allocate_device [2023-03-31 02:40:31,523 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_setup_device [2023-03-31 02:40:31,523 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_inject_event [2023-03-31 02:40:31,523 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_write [2023-03-31 02:40:31,523 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_fetch_next_event [2023-03-31 02:40:31,523 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_events_to_user [2023-03-31 02:40:31,523 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_read [2023-03-31 02:40:31,523 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_poll [2023-03-31 02:40:31,523 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_release [2023-03-31 02:40:31,524 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_ff_upload_to_user [2023-03-31 02:40:31,524 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-03-31 02:40:31,524 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_ff_upload_from_user [2023-03-31 02:40:31,524 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_ioctl_handler [2023-03-31 02:40:31,524 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-03-31 02:40:31,524 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_ioctl [2023-03-31 02:40:31,524 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_compat_ioctl [2023-03-31 02:40:31,524 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_init [2023-03-31 02:40:31,524 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_exit [2023-03-31 02:40:31,524 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2023-03-31 02:40:31,524 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value [2023-03-31 02:40:31,524 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2023-03-31 02:40:31,525 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler_precall [2023-03-31 02:40:31,525 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-03-31 02:40:31,525 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-03-31 02:40:31,525 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_lock [2023-03-31 02:40:31,525 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_lock [2023-03-31 02:40:31,525 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_lock [2023-03-31 02:40:31,525 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_lock [2023-03-31 02:40:31,525 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_lock [2023-03-31 02:40:31,525 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_mutex_of_device [2023-03-31 02:40:31,525 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_mutex_of_device [2023-03-31 02:40:31,525 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2023-03-31 02:40:31,525 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_mutex_of_device [2023-03-31 02:40:31,525 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_mutex_of_uinput_device [2023-03-31 02:40:31,526 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mutex_of_uinput_device [2023-03-31 02:40:31,526 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_mutex_of_uinput_device [2023-03-31 02:40:31,526 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_uinput_device [2023-03-31 02:40:31,526 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_mutex_of_uinput_device [2023-03-31 02:40:31,526 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2023-03-31 02:40:31,526 INFO L130 BoogieDeclarations]: Found specification of procedure free [2023-03-31 02:40:31,526 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-03-31 02:40:31,526 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-03-31 02:40:31,526 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-03-31 02:40:31,526 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-03-31 02:40:31,526 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-03-31 02:40:31,526 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-03-31 02:40:31,526 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-03-31 02:40:31,527 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-03-31 02:40:31,992 INFO L236 CfgBuilder]: Building ICFG [2023-03-31 02:40:32,003 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-03-31 02:40:39,948 INFO L277 CfgBuilder]: Performing block encoding [2023-03-31 02:40:39,961 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-03-31 02:40:39,961 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-03-31 02:40:39,964 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.03 02:40:39 BoogieIcfgContainer [2023-03-31 02:40:39,965 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-03-31 02:40:39,967 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-03-31 02:40:39,967 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-03-31 02:40:39,970 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-03-31 02:40:39,970 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.03 02:40:29" (1/3) ... [2023-03-31 02:40:39,971 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10c688e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.03 02:40:39, skipping insertion in model container [2023-03-31 02:40:39,971 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 02:40:31" (2/3) ... [2023-03-31 02:40:39,971 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10c688e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.03 02:40:39, skipping insertion in model container [2023-03-31 02:40:39,971 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.03 02:40:39" (3/3) ... [2023-03-31 02:40:39,972 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.8-rc1-32_7a-drivers--input--misc--uinput.ko-ldv_main0.cil.out.i [2023-03-31 02:40:39,987 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-03-31 02:40:39,988 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-03-31 02:40:40,052 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-03-31 02:40:40,059 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@80abbc5, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-03-31 02:40:40,060 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-03-31 02:40:40,068 INFO L276 IsEmpty]: Start isEmpty. Operand has 1162 states, 753 states have (on average 1.2828685258964143) internal successors, (966), 772 states have internal predecessors, (966), 250 states have call successors, (250), 131 states have call predecessors, (250), 131 states have return successors, (250), 247 states have call predecessors, (250), 250 states have call successors, (250) [2023-03-31 02:40:40,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-03-31 02:40:40,075 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 02:40:40,076 INFO L195 NwaCegarLoop]: 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] [2023-03-31 02:40:40,077 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 02:40:40,082 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 02:40:40,082 INFO L85 PathProgramCache]: Analyzing trace with hash -324323659, now seen corresponding path program 1 times [2023-03-31 02:40:40,091 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-31 02:40:40,093 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1284811749] [2023-03-31 02:40:40,093 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 02:40:40,094 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 02:40:40,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 02:40:40,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 02:40:40,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 02:40:40,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 02:40:40,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 02:40:40,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 02:40:40,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 02:40:40,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-03-31 02:40:40,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 02:40:40,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 02:40:40,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 02:40:40,594 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-31 02:40:40,595 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-31 02:40:40,595 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1284811749] [2023-03-31 02:40:40,596 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1284811749] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 02:40:40,596 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-31 02:40:40,596 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-03-31 02:40:40,597 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [321206593] [2023-03-31 02:40:40,598 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 02:40:40,602 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-03-31 02:40:40,602 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-31 02:40:40,634 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-03-31 02:40:40,635 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-03-31 02:40:40,640 INFO L87 Difference]: Start difference. First operand has 1162 states, 753 states have (on average 1.2828685258964143) internal successors, (966), 772 states have internal predecessors, (966), 250 states have call successors, (250), 131 states have call predecessors, (250), 131 states have return successors, (250), 247 states have call predecessors, (250), 250 states have call successors, (250) Second operand has 5 states, 5 states have (on average 3.0) internal successors, (15), 3 states have internal predecessors, (15), 3 states have call successors, (8), 5 states have call predecessors, (8), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2023-03-31 02:40:46,569 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-03-31 02:40:48,583 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-03-31 02:40:50,591 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-03-31 02:40:52,612 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-03-31 02:40:54,640 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-03-31 02:40:56,645 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-03-31 02:40:56,891 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 02:40:56,891 INFO L93 Difference]: Finished difference Result 2074 states and 2791 transitions. [2023-03-31 02:40:56,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-03-31 02:40:56,894 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.0) internal successors, (15), 3 states have internal predecessors, (15), 3 states have call successors, (8), 5 states have call predecessors, (8), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 28 [2023-03-31 02:40:56,894 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 02:40:56,913 INFO L225 Difference]: With dead ends: 2074 [2023-03-31 02:40:56,913 INFO L226 Difference]: Without dead ends: 1127 [2023-03-31 02:40:56,926 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-03-31 02:40:56,929 INFO L413 NwaCegarLoop]: 317 mSDtfsCounter, 1652 mSDsluCounter, 58 mSDsCounter, 0 mSdLazyCounter, 1824 mSolverCounterSat, 685 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1711 SdHoareTripleChecker+Valid, 375 SdHoareTripleChecker+Invalid, 2515 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 685 IncrementalHoareTripleChecker+Valid, 1824 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.8s IncrementalHoareTripleChecker+Time [2023-03-31 02:40:56,929 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1711 Valid, 375 Invalid, 2515 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [685 Valid, 1824 Invalid, 6 Unknown, 0 Unchecked, 15.8s Time] [2023-03-31 02:40:56,947 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1127 states. [2023-03-31 02:40:57,117 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1127 to 952. [2023-03-31 02:40:57,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 952 states, 622 states have (on average 1.2958199356913183) internal successors, (806), 636 states have internal predecessors, (806), 214 states have call successors, (214), 118 states have call predecessors, (214), 115 states have return successors, (208), 205 states have call predecessors, (208), 208 states have call successors, (208) [2023-03-31 02:40:57,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 952 states to 952 states and 1228 transitions. [2023-03-31 02:40:57,129 INFO L78 Accepts]: Start accepts. Automaton has 952 states and 1228 transitions. Word has length 28 [2023-03-31 02:40:57,129 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 02:40:57,129 INFO L495 AbstractCegarLoop]: Abstraction has 952 states and 1228 transitions. [2023-03-31 02:40:57,130 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.0) internal successors, (15), 3 states have internal predecessors, (15), 3 states have call successors, (8), 5 states have call predecessors, (8), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2023-03-31 02:40:57,130 INFO L276 IsEmpty]: Start isEmpty. Operand 952 states and 1228 transitions. [2023-03-31 02:40:57,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-03-31 02:40:57,131 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 02:40:57,131 INFO L195 NwaCegarLoop]: 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] [2023-03-31 02:40:57,131 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-03-31 02:40:57,134 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 02:40:57,134 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 02:40:57,134 INFO L85 PathProgramCache]: Analyzing trace with hash -1464671871, now seen corresponding path program 1 times [2023-03-31 02:40:57,134 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-31 02:40:57,135 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1780882324] [2023-03-31 02:40:57,135 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 02:40:57,135 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 02:40:57,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 02:40:57,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 02:40:57,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 02:40:57,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 02:40:57,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 02:40:57,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 02:40:57,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 02:40:57,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-03-31 02:40:57,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 02:40:57,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 02:40:57,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 02:40:57,331 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-31 02:40:57,332 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-31 02:40:57,332 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1780882324] [2023-03-31 02:40:57,332 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1780882324] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 02:40:57,332 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-31 02:40:57,332 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-03-31 02:40:57,332 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [289201107] [2023-03-31 02:40:57,333 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 02:40:57,334 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-03-31 02:40:57,334 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-31 02:40:57,337 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-03-31 02:40:57,337 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-03-31 02:40:57,337 INFO L87 Difference]: Start difference. First operand 952 states and 1228 transitions. Second operand has 5 states, 5 states have (on average 3.2) internal successors, (16), 3 states have internal predecessors, (16), 3 states have call successors, (8), 5 states have call predecessors, (8), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2023-03-31 02:41:02,978 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-03-31 02:41:04,988 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-03-31 02:41:07,006 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-03-31 02:41:09,025 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-03-31 02:41:11,040 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-03-31 02:41:13,064 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-03-31 02:41:13,365 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 02:41:13,365 INFO L93 Difference]: Finished difference Result 1129 states and 1512 transitions. [2023-03-31 02:41:13,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-03-31 02:41:13,366 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.2) internal successors, (16), 3 states have internal predecessors, (16), 3 states have call successors, (8), 5 states have call predecessors, (8), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 29 [2023-03-31 02:41:13,366 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 02:41:13,373 INFO L225 Difference]: With dead ends: 1129 [2023-03-31 02:41:13,374 INFO L226 Difference]: Without dead ends: 1126 [2023-03-31 02:41:13,375 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-03-31 02:41:13,376 INFO L413 NwaCegarLoop]: 321 mSDtfsCounter, 1631 mSDsluCounter, 54 mSDsCounter, 0 mSdLazyCounter, 1807 mSolverCounterSat, 685 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1691 SdHoareTripleChecker+Valid, 375 SdHoareTripleChecker+Invalid, 2498 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 685 IncrementalHoareTripleChecker+Valid, 1807 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.7s IncrementalHoareTripleChecker+Time [2023-03-31 02:41:13,376 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1691 Valid, 375 Invalid, 2498 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [685 Valid, 1807 Invalid, 6 Unknown, 0 Unchecked, 15.7s Time] [2023-03-31 02:41:13,378 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1126 states. [2023-03-31 02:41:13,480 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1126 to 951. [2023-03-31 02:41:13,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 951 states, 622 states have (on average 1.2942122186495177) internal successors, (805), 635 states have internal predecessors, (805), 213 states have call successors, (213), 118 states have call predecessors, (213), 115 states have return successors, (208), 205 states have call predecessors, (208), 208 states have call successors, (208) [2023-03-31 02:41:13,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 951 states to 951 states and 1226 transitions. [2023-03-31 02:41:13,489 INFO L78 Accepts]: Start accepts. Automaton has 951 states and 1226 transitions. Word has length 29 [2023-03-31 02:41:13,489 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 02:41:13,490 INFO L495 AbstractCegarLoop]: Abstraction has 951 states and 1226 transitions. [2023-03-31 02:41:13,490 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.2) internal successors, (16), 3 states have internal predecessors, (16), 3 states have call successors, (8), 5 states have call predecessors, (8), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2023-03-31 02:41:13,490 INFO L276 IsEmpty]: Start isEmpty. Operand 951 states and 1226 transitions. [2023-03-31 02:41:13,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-03-31 02:41:13,491 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 02:41:13,491 INFO L195 NwaCegarLoop]: 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, 1] [2023-03-31 02:41:13,491 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-03-31 02:41:13,491 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 02:41:13,492 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 02:41:13,492 INFO L85 PathProgramCache]: Analyzing trace with hash 1839244088, now seen corresponding path program 1 times [2023-03-31 02:41:13,492 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-31 02:41:13,492 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2080496453] [2023-03-31 02:41:13,492 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 02:41:13,492 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 02:41:13,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 02:41:13,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 02:41:13,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 02:41:13,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 02:41:13,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 02:41:13,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 02:41:13,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 02:41:13,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-03-31 02:41:13,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 02:41:13,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 02:41:13,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 02:41:13,657 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-31 02:41:13,657 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-31 02:41:13,658 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2080496453] [2023-03-31 02:41:13,658 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2080496453] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 02:41:13,658 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-31 02:41:13,658 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-03-31 02:41:13,658 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [31409043] [2023-03-31 02:41:13,658 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 02:41:13,659 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-03-31 02:41:13,659 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-31 02:41:13,659 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-03-31 02:41:13,659 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-03-31 02:41:13,659 INFO L87 Difference]: Start difference. First operand 951 states and 1226 transitions. Second operand has 5 states, 5 states have (on average 3.4) internal successors, (17), 3 states have internal predecessors, (17), 3 states have call successors, (8), 5 states have call predecessors, (8), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2023-03-31 02:41:21,234 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-03-31 02:41:23,249 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-03-31 02:41:25,264 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-03-31 02:41:27,272 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-03-31 02:41:29,339 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-03-31 02:41:31,361 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-03-31 02:41:31,624 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 02:41:31,624 INFO L93 Difference]: Finished difference Result 2769 states and 3628 transitions. [2023-03-31 02:41:31,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-03-31 02:41:31,624 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.4) internal successors, (17), 3 states have internal predecessors, (17), 3 states have call successors, (8), 5 states have call predecessors, (8), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 30 [2023-03-31 02:41:31,625 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 02:41:31,634 INFO L225 Difference]: With dead ends: 2769 [2023-03-31 02:41:31,635 INFO L226 Difference]: Without dead ends: 1827 [2023-03-31 02:41:31,638 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-03-31 02:41:31,639 INFO L413 NwaCegarLoop]: 410 mSDtfsCounter, 2875 mSDsluCounter, 362 mSDsCounter, 0 mSdLazyCounter, 2711 mSolverCounterSat, 1135 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3024 SdHoareTripleChecker+Valid, 772 SdHoareTripleChecker+Invalid, 3852 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1135 IncrementalHoareTripleChecker+Valid, 2711 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.6s IncrementalHoareTripleChecker+Time [2023-03-31 02:41:31,640 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3024 Valid, 772 Invalid, 3852 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1135 Valid, 2711 Invalid, 6 Unknown, 0 Unchecked, 17.6s Time] [2023-03-31 02:41:31,643 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1827 states. [2023-03-31 02:41:31,832 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1827 to 1808. [2023-03-31 02:41:31,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1808 states, 1189 states have (on average 1.2918418839360808) internal successors, (1536), 1214 states have internal predecessors, (1536), 400 states have call successors, (400), 220 states have call predecessors, (400), 218 states have return successors, (421), 385 states have call predecessors, (421), 389 states have call successors, (421) [2023-03-31 02:41:31,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1808 states to 1808 states and 2357 transitions. [2023-03-31 02:41:31,849 INFO L78 Accepts]: Start accepts. Automaton has 1808 states and 2357 transitions. Word has length 30 [2023-03-31 02:41:31,849 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 02:41:31,850 INFO L495 AbstractCegarLoop]: Abstraction has 1808 states and 2357 transitions. [2023-03-31 02:41:31,851 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.4) internal successors, (17), 3 states have internal predecessors, (17), 3 states have call successors, (8), 5 states have call predecessors, (8), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2023-03-31 02:41:31,851 INFO L276 IsEmpty]: Start isEmpty. Operand 1808 states and 2357 transitions. [2023-03-31 02:41:31,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-03-31 02:41:31,854 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 02:41:31,854 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-31 02:41:31,855 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-03-31 02:41:31,855 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 02:41:31,855 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 02:41:31,855 INFO L85 PathProgramCache]: Analyzing trace with hash -286700118, now seen corresponding path program 1 times [2023-03-31 02:41:31,856 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-31 02:41:31,856 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1971863341] [2023-03-31 02:41:31,856 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 02:41:31,856 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 02:41:31,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 02:41:32,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 02:41:32,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 02:41:32,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 02:41:32,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 02:41:32,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 02:41:32,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 02:41:32,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-03-31 02:41:32,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 02:41:32,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 02:41:32,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 02:41:32,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2023-03-31 02:41:32,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 02:41:32,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-03-31 02:41:32,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 02:41:32,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 02:41:32,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 02:41:32,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 02:41:32,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 02:41:32,102 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-03-31 02:41:32,102 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-31 02:41:32,105 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1971863341] [2023-03-31 02:41:32,105 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1971863341] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 02:41:32,105 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-31 02:41:32,105 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-03-31 02:41:32,105 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [24344591] [2023-03-31 02:41:32,105 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 02:41:32,106 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-03-31 02:41:32,106 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-31 02:41:32,107 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-03-31 02:41:32,107 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2023-03-31 02:41:32,107 INFO L87 Difference]: Start difference. First operand 1808 states and 2357 transitions. Second operand has 6 states, 6 states have (on average 6.5) internal successors, (39), 3 states have internal predecessors, (39), 3 states have call successors, (14), 5 states have call predecessors, (14), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9)