/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --traceabstraction.trace.refinement.strategy SIFA_TAIPAN --sifa.abstract.domain CompoundDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/ldv-consumption/linux-3.8-rc1-32_7a-drivers--input--misc--uinput.ko-ldv_main0.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fb55353 [2019-11-07 02:27:28,404 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-07 02:27:28,407 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-07 02:27:28,425 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-07 02:27:28,425 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-07 02:27:28,427 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-07 02:27:28,428 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-07 02:27:28,430 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-07 02:27:28,432 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-07 02:27:28,433 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-07 02:27:28,434 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-07 02:27:28,435 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-07 02:27:28,435 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-07 02:27:28,436 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-07 02:27:28,437 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-07 02:27:28,438 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-07 02:27:28,439 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-07 02:27:28,440 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-07 02:27:28,442 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-07 02:27:28,444 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-07 02:27:28,445 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-07 02:27:28,447 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-07 02:27:28,448 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-07 02:27:28,448 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-07 02:27:28,451 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-07 02:27:28,451 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-07 02:27:28,451 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-07 02:27:28,452 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-07 02:27:28,453 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-07 02:27:28,454 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-07 02:27:28,454 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-07 02:27:28,455 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-07 02:27:28,455 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-07 02:27:28,456 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-07 02:27:28,457 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-07 02:27:28,457 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-07 02:27:28,458 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-07 02:27:28,458 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-07 02:27:28,458 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-07 02:27:28,459 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-07 02:27:28,460 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-07 02:27:28,461 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-07 02:27:28,487 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-07 02:27:28,487 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-07 02:27:28,489 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-07 02:27:28,490 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-07 02:27:28,490 INFO L138 SettingsManager]: * Use SBE=true [2019-11-07 02:27:28,490 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-07 02:27:28,490 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-07 02:27:28,491 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-07 02:27:28,491 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-07 02:27:28,491 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-07 02:27:28,492 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-07 02:27:28,492 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-07 02:27:28,493 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-07 02:27:28,493 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-07 02:27:28,493 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-07 02:27:28,493 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-07 02:27:28,494 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-07 02:27:28,494 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-07 02:27:28,494 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-07 02:27:28,494 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-07 02:27:28,495 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-07 02:27:28,495 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-07 02:27:28,495 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-07 02:27:28,496 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-07 02:27:28,496 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-07 02:27:28,496 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-07 02:27:28,496 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-07 02:27:28,496 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-07 02:27:28,497 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> SIFA_TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> CompoundDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK [2019-11-07 02:27:28,779 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-07 02:27:28,793 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-07 02:27:28,796 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-07 02:27:28,798 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-07 02:27:28,798 INFO L275 PluginConnector]: CDTParser initialized [2019-11-07 02:27:28,799 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-consumption/linux-3.8-rc1-32_7a-drivers--input--misc--uinput.ko-ldv_main0.cil.out.i [2019-11-07 02:27:28,866 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/538ce1725/754f74cbe6d74e5cbe33eedc24a93310/FLAG0ea38eaa5 [2019-11-07 02:27:29,639 INFO L306 CDTParser]: Found 1 translation units. [2019-11-07 02:27:29,639 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-consumption/linux-3.8-rc1-32_7a-drivers--input--misc--uinput.ko-ldv_main0.cil.out.i [2019-11-07 02:27:29,668 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/538ce1725/754f74cbe6d74e5cbe33eedc24a93310/FLAG0ea38eaa5 [2019-11-07 02:27:29,704 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/538ce1725/754f74cbe6d74e5cbe33eedc24a93310 [2019-11-07 02:27:29,714 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-07 02:27:29,715 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-11-07 02:27:29,716 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-07 02:27:29,716 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-07 02:27:29,719 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-07 02:27:29,720 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 02:27:29" (1/1) ... [2019-11-07 02:27:29,723 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@19f87c35 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:27:29, skipping insertion in model container [2019-11-07 02:27:29,724 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 02:27:29" (1/1) ... [2019-11-07 02:27:29,731 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-07 02:27:29,833 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-07 02:27:31,135 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 02:27:31,153 INFO L188 MainTranslator]: Completed pre-run [2019-11-07 02:27:31,459 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 02:27:31,670 INFO L192 MainTranslator]: Completed translation [2019-11-07 02:27:31,671 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:27:31 WrapperNode [2019-11-07 02:27:31,671 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-07 02:27:31,672 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-07 02:27:31,672 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-07 02:27:31,672 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-07 02:27:31,687 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:27:31" (1/1) ... [2019-11-07 02:27:31,688 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:27:31" (1/1) ... [2019-11-07 02:27:31,754 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:27:31" (1/1) ... [2019-11-07 02:27:31,758 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:27:31" (1/1) ... [2019-11-07 02:27:31,877 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:27:31" (1/1) ... [2019-11-07 02:27:31,908 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:27:31" (1/1) ... [2019-11-07 02:27:31,930 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:27:31" (1/1) ... [2019-11-07 02:27:31,958 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-07 02:27:31,959 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-07 02:27:31,959 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-07 02:27:31,959 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-07 02:27:31,960 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:27:31" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-07 02:27:32,021 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-07 02:27:32,021 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-07 02:27:32,022 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~VOID [2019-11-07 02:27:32,022 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2019-11-07 02:27:32,022 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2019-11-07 02:27:32,022 INFO L138 BoogieDeclarations]: Found implementation of procedure variable_test_bit [2019-11-07 02:27:32,022 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2019-11-07 02:27:32,023 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2019-11-07 02:27:32,023 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2019-11-07 02:27:32,023 INFO L138 BoogieDeclarations]: Found implementation of procedure current_thread_info [2019-11-07 02:27:32,023 INFO L138 BoogieDeclarations]: Found implementation of procedure is_ia32_task [2019-11-07 02:27:32,023 INFO L138 BoogieDeclarations]: Found implementation of procedure test_ti_thread_flag [2019-11-07 02:27:32,023 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2019-11-07 02:27:32,024 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2019-11-07 02:27:32,024 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2019-11-07 02:27:32,024 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2019-11-07 02:27:32,024 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2019-11-07 02:27:32,024 INFO L138 BoogieDeclarations]: Found implementation of procedure init_completion [2019-11-07 02:27:32,025 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2019-11-07 02:27:32,025 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2019-11-07 02:27:32,025 INFO L138 BoogieDeclarations]: Found implementation of procedure poll_wait [2019-11-07 02:27:32,025 INFO L138 BoogieDeclarations]: Found implementation of procedure test_tsk_thread_flag [2019-11-07 02:27:32,025 INFO L138 BoogieDeclarations]: Found implementation of procedure signal_pending [2019-11-07 02:27:32,026 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2019-11-07 02:27:32,026 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-11-07 02:27:32,026 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2019-11-07 02:27:32,026 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2019-11-07 02:27:32,026 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2019-11-07 02:27:32,026 INFO L138 BoogieDeclarations]: Found implementation of procedure input_allocate_device [2019-11-07 02:27:32,026 INFO L138 BoogieDeclarations]: Found implementation of procedure input_get_drvdata [2019-11-07 02:27:32,027 INFO L138 BoogieDeclarations]: Found implementation of procedure input_set_drvdata [2019-11-07 02:27:32,027 INFO L138 BoogieDeclarations]: Found implementation of procedure input_set_events_per_packet [2019-11-07 02:27:32,027 INFO L138 BoogieDeclarations]: Found implementation of procedure input_abs_get_min [2019-11-07 02:27:32,027 INFO L138 BoogieDeclarations]: Found implementation of procedure input_abs_set_min [2019-11-07 02:27:32,027 INFO L138 BoogieDeclarations]: Found implementation of procedure input_abs_get_max [2019-11-07 02:27:32,028 INFO L138 BoogieDeclarations]: Found implementation of procedure input_abs_set_max [2019-11-07 02:27:32,028 INFO L138 BoogieDeclarations]: Found implementation of procedure input_abs_set_fuzz [2019-11-07 02:27:32,028 INFO L138 BoogieDeclarations]: Found implementation of procedure input_abs_get_flat [2019-11-07 02:27:32,028 INFO L138 BoogieDeclarations]: Found implementation of procedure input_abs_set_flat [2019-11-07 02:27:32,028 INFO L138 BoogieDeclarations]: Found implementation of procedure compat_ptr [2019-11-07 02:27:32,028 INFO L138 BoogieDeclarations]: Found implementation of procedure is_x32_task [2019-11-07 02:27:32,028 INFO L138 BoogieDeclarations]: Found implementation of procedure is_compat_task [2019-11-07 02:27:32,029 INFO L138 BoogieDeclarations]: Found implementation of procedure input_event_size [2019-11-07 02:27:32,029 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_dev_event [2019-11-07 02:27:32,029 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_request_alloc_id [2019-11-07 02:27:32,029 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_request_find [2019-11-07 02:27:32,029 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_request_reserve_slot [2019-11-07 02:27:32,029 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_request_done [2019-11-07 02:27:32,030 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_request_send [2019-11-07 02:27:32,030 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_request_submit [2019-11-07 02:27:32,030 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_flush_requests [2019-11-07 02:27:32,030 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_dev_set_gain [2019-11-07 02:27:32,030 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_dev_set_autocenter [2019-11-07 02:27:32,030 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_dev_playback [2019-11-07 02:27:32,031 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_dev_upload_effect [2019-11-07 02:27:32,031 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_dev_erase_effect [2019-11-07 02:27:32,031 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_destroy_device [2019-11-07 02:27:32,031 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_create_device [2019-11-07 02:27:32,031 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_open [2019-11-07 02:27:32,031 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_validate_absbits [2019-11-07 02:27:32,032 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_allocate_device [2019-11-07 02:27:32,032 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_setup_device [2019-11-07 02:27:32,032 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_inject_event [2019-11-07 02:27:32,032 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_write [2019-11-07 02:27:32,032 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_fetch_next_event [2019-11-07 02:27:32,032 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_events_to_user [2019-11-07 02:27:32,033 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_read [2019-11-07 02:27:32,033 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_poll [2019-11-07 02:27:32,033 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_release [2019-11-07 02:27:32,033 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_ff_upload_to_user [2019-11-07 02:27:32,033 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_ff_upload_from_user [2019-11-07 02:27:32,033 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_ioctl_handler [2019-11-07 02:27:32,033 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_ioctl [2019-11-07 02:27:32,034 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_compat_ioctl [2019-11-07 02:27:32,034 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_init [2019-11-07 02:27:32,034 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_exit [2019-11-07 02:27:32,034 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-07 02:27:32,034 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_1 [2019-11-07 02:27:32,034 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_2 [2019-11-07 02:27:32,035 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_3 [2019-11-07 02:27:32,035 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_4 [2019-11-07 02:27:32,035 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_5 [2019-11-07 02:27:32,035 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_6 [2019-11-07 02:27:32,035 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_7 [2019-11-07 02:27:32,035 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_8 [2019-11-07 02:27:32,036 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_9 [2019-11-07 02:27:32,036 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_10 [2019-11-07 02:27:32,036 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_11 [2019-11-07 02:27:32,036 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_12 [2019-11-07 02:27:32,036 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_13 [2019-11-07 02:27:32,036 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2019-11-07 02:27:32,037 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2019-11-07 02:27:32,037 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_lock [2019-11-07 02:27:32,037 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_lock [2019-11-07 02:27:32,037 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock [2019-11-07 02:27:32,037 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_lock [2019-11-07 02:27:32,037 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_lock [2019-11-07 02:27:32,038 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_lock [2019-11-07 02:27:32,038 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock [2019-11-07 02:27:32,038 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_mutex_of_device [2019-11-07 02:27:32,038 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_mutex_of_device [2019-11-07 02:27:32,038 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mutex_of_device [2019-11-07 02:27:32,038 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_mutex_of_device [2019-11-07 02:27:32,039 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2019-11-07 02:27:32,039 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_mutex_of_device [2019-11-07 02:27:32,039 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex_of_device [2019-11-07 02:27:32,039 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_mutex_of_uinput_device [2019-11-07 02:27:32,039 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_mutex_of_uinput_device [2019-11-07 02:27:32,039 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mutex_of_uinput_device [2019-11-07 02:27:32,040 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_mutex_of_uinput_device [2019-11-07 02:27:32,040 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_uinput_device [2019-11-07 02:27:32,040 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_mutex_of_uinput_device [2019-11-07 02:27:32,040 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex_of_uinput_device [2019-11-07 02:27:32,040 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-11-07 02:27:32,040 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-11-07 02:27:32,040 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2019-11-07 02:27:32,041 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2019-11-07 02:27:32,041 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2019-11-07 02:27:32,041 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2019-11-07 02:27:32,041 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2019-11-07 02:27:32,041 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2019-11-07 02:27:32,041 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock [2019-11-07 02:27:32,042 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irq [2019-11-07 02:27:32,042 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock [2019-11-07 02:27:32,042 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irq [2019-11-07 02:27:32,042 INFO L138 BoogieDeclarations]: Found implementation of procedure complete [2019-11-07 02:27:32,042 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2019-11-07 02:27:32,042 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2019-11-07 02:27:32,042 INFO L138 BoogieDeclarations]: Found implementation of procedure do_gettimeofday [2019-11-07 02:27:32,043 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2019-11-07 02:27:32,043 INFO L138 BoogieDeclarations]: Found implementation of procedure input_alloc_absinfo [2019-11-07 02:27:32,043 INFO L138 BoogieDeclarations]: Found implementation of procedure input_event [2019-11-07 02:27:32,043 INFO L138 BoogieDeclarations]: Found implementation of procedure input_event_from_user [2019-11-07 02:27:32,043 INFO L138 BoogieDeclarations]: Found implementation of procedure input_event_to_user [2019-11-07 02:27:32,043 INFO L138 BoogieDeclarations]: Found implementation of procedure input_ff_create [2019-11-07 02:27:32,043 INFO L138 BoogieDeclarations]: Found implementation of procedure input_ff_destroy [2019-11-07 02:27:32,044 INFO L138 BoogieDeclarations]: Found implementation of procedure input_free_device [2019-11-07 02:27:32,044 INFO L138 BoogieDeclarations]: Found implementation of procedure input_mt_init_slots [2019-11-07 02:27:32,044 INFO L138 BoogieDeclarations]: Found implementation of procedure input_register_device [2019-11-07 02:27:32,044 INFO L138 BoogieDeclarations]: Found implementation of procedure input_unregister_device [2019-11-07 02:27:32,044 INFO L138 BoogieDeclarations]: Found implementation of procedure kstrndup [2019-11-07 02:27:32,044 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value [2019-11-07 02:27:32,044 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler_precall [2019-11-07 02:27:32,045 INFO L138 BoogieDeclarations]: Found implementation of procedure memdup_user [2019-11-07 02:27:32,045 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2019-11-07 02:27:32,045 INFO L138 BoogieDeclarations]: Found implementation of procedure misc_deregister [2019-11-07 02:27:32,045 INFO L138 BoogieDeclarations]: Found implementation of procedure misc_register [2019-11-07 02:27:32,045 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2019-11-07 02:27:32,045 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_interruptible [2019-11-07 02:27:32,046 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_trylock [2019-11-07 02:27:32,046 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2019-11-07 02:27:32,046 INFO L138 BoogieDeclarations]: Found implementation of procedure nonseekable_open [2019-11-07 02:27:32,046 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait [2019-11-07 02:27:32,046 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2019-11-07 02:27:32,046 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2019-11-07 02:27:32,047 INFO L138 BoogieDeclarations]: Found implementation of procedure strndup_user [2019-11-07 02:27:32,047 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion [2019-11-07 02:27:32,047 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_fmt [2019-11-07 02:27:32,047 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-11-07 02:27:32,047 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-11-07 02:27:32,047 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-11-07 02:27:32,048 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-11-07 02:27:32,048 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-07 02:27:32,048 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2019-11-07 02:27:32,048 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2019-11-07 02:27:32,049 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2019-11-07 02:27:32,050 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-07 02:27:32,050 INFO L130 BoogieDeclarations]: Found specification of procedure variable_test_bit [2019-11-07 02:27:32,050 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2019-11-07 02:27:32,050 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2019-11-07 02:27:32,050 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2019-11-07 02:27:32,050 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2019-11-07 02:27:32,050 INFO L130 BoogieDeclarations]: Found specification of procedure strndup_user [2019-11-07 02:27:32,051 INFO L130 BoogieDeclarations]: Found specification of procedure memdup_user [2019-11-07 02:27:32,051 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-11-07 02:27:32,051 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-11-07 02:27:32,051 INFO L130 BoogieDeclarations]: Found specification of procedure kstrndup [2019-11-07 02:27:32,051 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_fmt [2019-11-07 02:27:32,051 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2019-11-07 02:27:32,052 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2019-11-07 02:27:32,052 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2019-11-07 02:27:32,052 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_trylock [2019-11-07 02:27:32,052 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_4 [2019-11-07 02:27:32,052 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2019-11-07 02:27:32,052 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_2 [2019-11-07 02:27:32,052 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_5 [2019-11-07 02:27:32,053 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_7 [2019-11-07 02:27:32,053 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_9 [2019-11-07 02:27:32,054 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_11 [2019-11-07 02:27:32,054 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_13 [2019-11-07 02:27:32,054 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_interruptible [2019-11-07 02:27:32,054 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_6 [2019-11-07 02:27:32,054 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_8 [2019-11-07 02:27:32,054 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_10 [2019-11-07 02:27:32,054 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_12 [2019-11-07 02:27:32,055 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2019-11-07 02:27:32,055 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_1 [2019-11-07 02:27:32,055 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_3 [2019-11-07 02:27:32,055 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock [2019-11-07 02:27:32,055 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock [2019-11-07 02:27:32,055 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mutex_of_device [2019-11-07 02:27:32,056 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_mutex_of_device [2019-11-07 02:27:32,056 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex_of_device [2019-11-07 02:27:32,056 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_mutex_of_uinput_device [2019-11-07 02:27:32,056 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex_of_uinput_device [2019-11-07 02:27:32,057 INFO L130 BoogieDeclarations]: Found specification of procedure current_thread_info [2019-11-07 02:27:32,057 INFO L130 BoogieDeclarations]: Found specification of procedure is_ia32_task [2019-11-07 02:27:32,057 INFO L130 BoogieDeclarations]: Found specification of procedure test_ti_thread_flag [2019-11-07 02:27:32,057 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2019-11-07 02:27:32,057 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock [2019-11-07 02:27:32,057 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irq [2019-11-07 02:27:32,058 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock [2019-11-07 02:27:32,058 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irq [2019-11-07 02:27:32,058 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2019-11-07 02:27:32,058 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2019-11-07 02:27:32,058 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2019-11-07 02:27:32,058 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2019-11-07 02:27:32,058 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2019-11-07 02:27:32,060 INFO L130 BoogieDeclarations]: Found specification of procedure do_gettimeofday [2019-11-07 02:27:32,061 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2019-11-07 02:27:32,061 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2019-11-07 02:27:32,061 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait [2019-11-07 02:27:32,061 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2019-11-07 02:27:32,061 INFO L130 BoogieDeclarations]: Found specification of procedure autoremove_wake_function [2019-11-07 02:27:32,061 INFO L130 BoogieDeclarations]: Found specification of procedure init_completion [2019-11-07 02:27:32,062 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-07 02:27:32,062 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-07 02:27:32,063 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-07 02:27:32,063 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion [2019-11-07 02:27:32,063 INFO L130 BoogieDeclarations]: Found specification of procedure complete [2019-11-07 02:27:32,063 INFO L130 BoogieDeclarations]: Found specification of procedure no_llseek [2019-11-07 02:27:32,063 INFO L130 BoogieDeclarations]: Found specification of procedure nonseekable_open [2019-11-07 02:27:32,063 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2019-11-07 02:27:32,063 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2019-11-07 02:27:32,064 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2019-11-07 02:27:32,064 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2019-11-07 02:27:32,064 INFO L130 BoogieDeclarations]: Found specification of procedure poll_wait [2019-11-07 02:27:32,064 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~VOID [2019-11-07 02:27:32,064 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-07 02:27:32,064 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2019-11-07 02:27:32,064 INFO L130 BoogieDeclarations]: Found specification of procedure test_tsk_thread_flag [2019-11-07 02:27:32,065 INFO L130 BoogieDeclarations]: Found specification of procedure signal_pending [2019-11-07 02:27:32,065 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-11-07 02:27:32,065 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-07 02:27:32,065 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-11-07 02:27:32,065 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-11-07 02:27:32,066 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2019-11-07 02:27:32,066 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-11-07 02:27:32,066 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-07 02:27:32,066 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2019-11-07 02:27:32,066 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2019-11-07 02:27:32,067 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2019-11-07 02:27:32,067 INFO L130 BoogieDeclarations]: Found specification of procedure misc_register [2019-11-07 02:27:32,068 INFO L130 BoogieDeclarations]: Found specification of procedure misc_deregister [2019-11-07 02:27:32,068 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2019-11-07 02:27:32,068 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2019-11-07 02:27:32,068 INFO L130 BoogieDeclarations]: Found specification of procedure input_allocate_device [2019-11-07 02:27:32,068 INFO L130 BoogieDeclarations]: Found specification of procedure input_free_device [2019-11-07 02:27:32,068 INFO L130 BoogieDeclarations]: Found specification of procedure input_get_drvdata [2019-11-07 02:27:32,069 INFO L130 BoogieDeclarations]: Found specification of procedure input_set_drvdata [2019-11-07 02:27:32,069 INFO L130 BoogieDeclarations]: Found specification of procedure input_register_device [2019-11-07 02:27:32,070 INFO L130 BoogieDeclarations]: Found specification of procedure input_unregister_device [2019-11-07 02:27:32,074 INFO L130 BoogieDeclarations]: Found specification of procedure input_event [2019-11-07 02:27:32,074 INFO L130 BoogieDeclarations]: Found specification of procedure input_set_events_per_packet [2019-11-07 02:27:32,074 INFO L130 BoogieDeclarations]: Found specification of procedure input_alloc_absinfo [2019-11-07 02:27:32,074 INFO L130 BoogieDeclarations]: Found specification of procedure input_abs_get_min [2019-11-07 02:27:32,075 INFO L130 BoogieDeclarations]: Found specification of procedure input_abs_set_min [2019-11-07 02:27:32,075 INFO L130 BoogieDeclarations]: Found specification of procedure input_abs_get_max [2019-11-07 02:27:32,075 INFO L130 BoogieDeclarations]: Found specification of procedure input_abs_set_max [2019-11-07 02:27:32,075 INFO L130 BoogieDeclarations]: Found specification of procedure input_abs_set_fuzz [2019-11-07 02:27:32,075 INFO L130 BoogieDeclarations]: Found specification of procedure input_abs_get_flat [2019-11-07 02:27:32,075 INFO L130 BoogieDeclarations]: Found specification of procedure input_abs_set_flat [2019-11-07 02:27:32,081 INFO L130 BoogieDeclarations]: Found specification of procedure input_ff_create [2019-11-07 02:27:32,081 INFO L130 BoogieDeclarations]: Found specification of procedure input_ff_destroy [2019-11-07 02:27:32,081 INFO L130 BoogieDeclarations]: Found specification of procedure input_mt_init_slots [2019-11-07 02:27:32,081 INFO L130 BoogieDeclarations]: Found specification of procedure compat_ptr [2019-11-07 02:27:32,082 INFO L130 BoogieDeclarations]: Found specification of procedure is_x32_task [2019-11-07 02:27:32,082 INFO L130 BoogieDeclarations]: Found specification of procedure is_compat_task [2019-11-07 02:27:32,082 INFO L130 BoogieDeclarations]: Found specification of procedure input_event_size [2019-11-07 02:27:32,082 INFO L130 BoogieDeclarations]: Found specification of procedure input_event_from_user [2019-11-07 02:27:32,082 INFO L130 BoogieDeclarations]: Found specification of procedure input_event_to_user [2019-11-07 02:27:32,082 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_dev_event [2019-11-07 02:27:32,082 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_request_alloc_id [2019-11-07 02:27:32,082 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-07 02:27:32,083 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_request_find [2019-11-07 02:27:32,083 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_request_reserve_slot [2019-11-07 02:27:32,083 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_request_done [2019-11-07 02:27:32,083 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_request_send [2019-11-07 02:27:32,083 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_request_submit [2019-11-07 02:27:32,083 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_flush_requests [2019-11-07 02:27:32,083 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_dev_set_gain [2019-11-07 02:27:32,083 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_dev_set_autocenter [2019-11-07 02:27:32,084 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_dev_playback [2019-11-07 02:27:32,084 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_dev_upload_effect [2019-11-07 02:27:32,084 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_dev_erase_effect [2019-11-07 02:27:32,084 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_destroy_device [2019-11-07 02:27:32,084 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_create_device [2019-11-07 02:27:32,084 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_open [2019-11-07 02:27:32,084 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_validate_absbits [2019-11-07 02:27:32,085 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_allocate_device [2019-11-07 02:27:32,085 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_setup_device [2019-11-07 02:27:32,085 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_inject_event [2019-11-07 02:27:32,085 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_write [2019-11-07 02:27:32,085 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_fetch_next_event [2019-11-07 02:27:32,085 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_events_to_user [2019-11-07 02:27:32,085 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_read [2019-11-07 02:27:32,086 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_poll [2019-11-07 02:27:32,086 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_release [2019-11-07 02:27:32,086 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_ff_upload_to_user [2019-11-07 02:27:32,086 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-11-07 02:27:32,086 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_ff_upload_from_user [2019-11-07 02:27:32,086 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_ioctl_handler [2019-11-07 02:27:32,086 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-11-07 02:27:32,087 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_ioctl [2019-11-07 02:27:32,087 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_compat_ioctl [2019-11-07 02:27:32,087 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_init [2019-11-07 02:27:32,087 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_exit [2019-11-07 02:27:32,087 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-11-07 02:27:32,087 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value [2019-11-07 02:27:32,087 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-11-07 02:27:32,088 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler_precall [2019-11-07 02:27:32,088 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-07 02:27:32,088 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2019-11-07 02:27:32,088 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_lock [2019-11-07 02:27:32,088 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_lock [2019-11-07 02:27:32,088 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_lock [2019-11-07 02:27:32,088 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_lock [2019-11-07 02:27:32,088 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_lock [2019-11-07 02:27:32,089 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_mutex_of_device [2019-11-07 02:27:32,089 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_mutex_of_device [2019-11-07 02:27:32,089 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2019-11-07 02:27:32,089 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_mutex_of_device [2019-11-07 02:27:32,089 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_mutex_of_uinput_device [2019-11-07 02:27:32,089 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mutex_of_uinput_device [2019-11-07 02:27:32,089 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_mutex_of_uinput_device [2019-11-07 02:27:32,090 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_uinput_device [2019-11-07 02:27:32,090 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_mutex_of_uinput_device [2019-11-07 02:27:32,090 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-11-07 02:27:32,090 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-11-07 02:27:32,090 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-11-07 02:27:32,090 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-11-07 02:27:32,090 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-07 02:27:32,091 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-07 02:27:32,091 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-11-07 02:27:32,091 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-07 02:27:32,091 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2019-11-07 02:27:32,091 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2019-11-07 02:27:32,091 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-11-07 02:27:32,091 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-11-07 02:27:43,400 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-07 02:27:43,400 INFO L284 CfgBuilder]: Removed 0 assume(true) statements. [2019-11-07 02:27:43,402 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 02:27:43 BoogieIcfgContainer [2019-11-07 02:27:43,402 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-07 02:27:43,403 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-07 02:27:43,404 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-07 02:27:43,407 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-07 02:27:43,407 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 02:27:29" (1/3) ... [2019-11-07 02:27:43,408 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7485a5be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 02:27:43, skipping insertion in model container [2019-11-07 02:27:43,408 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:27:31" (2/3) ... [2019-11-07 02:27:43,408 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7485a5be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 02:27:43, skipping insertion in model container [2019-11-07 02:27:43,408 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 02:27:43" (3/3) ... [2019-11-07 02:27:43,410 INFO L109 eAbstractionObserver]: Analyzing ICFG linux-3.8-rc1-32_7a-drivers--input--misc--uinput.ko-ldv_main0.cil.out.i [2019-11-07 02:27:43,420 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-07 02:27:43,433 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-07 02:27:43,445 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-07 02:27:43,485 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-07 02:27:43,486 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-07 02:27:43,486 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-07 02:27:43,486 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-07 02:27:43,486 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-07 02:27:43,486 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-07 02:27:43,486 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-07 02:27:43,486 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-07 02:27:43,532 INFO L276 IsEmpty]: Start isEmpty. Operand 944 states. [2019-11-07 02:27:43,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-11-07 02:27:43,544 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 02:27:43,545 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 02:27:43,548 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 02:27:43,553 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 02:27:43,553 INFO L82 PathProgramCache]: Analyzing trace with hash -112171225, now seen corresponding path program 1 times [2019-11-07 02:27:43,560 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 02:27:43,561 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [986638512] [2019-11-07 02:27:43,561 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 02:27:43,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 02:27:43,933 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 02:27:43,933 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [986638512] [2019-11-07 02:27:43,934 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 02:27:43,935 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-07 02:27:43,935 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1348781206] [2019-11-07 02:27:43,945 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-07 02:27:43,945 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 02:27:43,960 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-07 02:27:43,961 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-07 02:27:43,963 INFO L87 Difference]: Start difference. First operand 944 states. Second operand 3 states. [2019-11-07 02:27:44,180 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 02:27:44,180 INFO L93 Difference]: Finished difference Result 1556 states and 2029 transitions. [2019-11-07 02:27:44,181 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-07 02:27:44,182 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2019-11-07 02:27:44,185 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 02:27:44,234 INFO L225 Difference]: With dead ends: 1556 [2019-11-07 02:27:44,235 INFO L226 Difference]: Without dead ends: 780 [2019-11-07 02:27:44,251 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-07 02:27:44,272 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 780 states. [2019-11-07 02:27:44,385 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 780 to 780. [2019-11-07 02:27:44,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 780 states. [2019-11-07 02:27:44,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 780 states to 780 states and 1000 transitions. [2019-11-07 02:27:44,402 INFO L78 Accepts]: Start accepts. Automaton has 780 states and 1000 transitions. Word has length 24 [2019-11-07 02:27:44,404 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 02:27:44,404 INFO L462 AbstractCegarLoop]: Abstraction has 780 states and 1000 transitions. [2019-11-07 02:27:44,404 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-07 02:27:44,404 INFO L276 IsEmpty]: Start isEmpty. Operand 780 states and 1000 transitions. [2019-11-07 02:27:44,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-11-07 02:27:44,411 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 02:27:44,411 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 02:27:44,411 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 02:27:44,411 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 02:27:44,413 INFO L82 PathProgramCache]: Analyzing trace with hash 817094501, now seen corresponding path program 1 times [2019-11-07 02:27:44,413 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 02:27:44,414 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [191117823] [2019-11-07 02:27:44,414 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 02:27:44,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 02:27:44,565 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 02:27:44,567 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [191117823] [2019-11-07 02:27:44,567 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 02:27:44,567 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-07 02:27:44,567 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [848615787] [2019-11-07 02:27:44,573 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-07 02:27:44,574 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 02:27:44,574 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-07 02:27:44,574 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-07 02:27:44,574 INFO L87 Difference]: Start difference. First operand 780 states and 1000 transitions. Second operand 3 states. [2019-11-07 02:27:44,647 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 02:27:44,648 INFO L93 Difference]: Finished difference Result 782 states and 1001 transitions. [2019-11-07 02:27:44,648 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-07 02:27:44,648 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 25 [2019-11-07 02:27:44,649 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 02:27:44,654 INFO L225 Difference]: With dead ends: 782 [2019-11-07 02:27:44,655 INFO L226 Difference]: Without dead ends: 779 [2019-11-07 02:27:44,656 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-07 02:27:44,658 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 779 states. [2019-11-07 02:27:44,703 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 779 to 779. [2019-11-07 02:27:44,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 779 states. [2019-11-07 02:27:44,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 779 states to 779 states and 998 transitions. [2019-11-07 02:27:44,709 INFO L78 Accepts]: Start accepts. Automaton has 779 states and 998 transitions. Word has length 25 [2019-11-07 02:27:44,709 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 02:27:44,709 INFO L462 AbstractCegarLoop]: Abstraction has 779 states and 998 transitions. [2019-11-07 02:27:44,709 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-07 02:27:44,710 INFO L276 IsEmpty]: Start isEmpty. Operand 779 states and 998 transitions. [2019-11-07 02:27:44,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-11-07 02:27:44,711 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 02:27:44,711 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 02:27:44,711 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 02:27:44,711 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 02:27:44,711 INFO L82 PathProgramCache]: Analyzing trace with hash -440434198, now seen corresponding path program 1 times [2019-11-07 02:27:44,712 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 02:27:44,712 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1719307076] [2019-11-07 02:27:44,712 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 02:27:44,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 02:27:44,825 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 02:27:44,825 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1719307076] [2019-11-07 02:27:44,825 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 02:27:44,825 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-07 02:27:44,826 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [517024630] [2019-11-07 02:27:44,826 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-07 02:27:44,826 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 02:27:44,826 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-07 02:27:44,827 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-07 02:27:44,827 INFO L87 Difference]: Start difference. First operand 779 states and 998 transitions. Second operand 3 states. [2019-11-07 02:27:44,922 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 02:27:44,922 INFO L93 Difference]: Finished difference Result 1025 states and 1301 transitions. [2019-11-07 02:27:44,923 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-07 02:27:44,923 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 26 [2019-11-07 02:27:44,923 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 02:27:44,930 INFO L225 Difference]: With dead ends: 1025 [2019-11-07 02:27:44,931 INFO L226 Difference]: Without dead ends: 1010 [2019-11-07 02:27:44,932 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-07 02:27:44,934 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1010 states. [2019-11-07 02:27:45,038 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1010 to 1010. [2019-11-07 02:27:45,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1010 states. [2019-11-07 02:27:45,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1010 states to 1010 states and 1282 transitions. [2019-11-07 02:27:45,045 INFO L78 Accepts]: Start accepts. Automaton has 1010 states and 1282 transitions. Word has length 26 [2019-11-07 02:27:45,046 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 02:27:45,046 INFO L462 AbstractCegarLoop]: Abstraction has 1010 states and 1282 transitions. [2019-11-07 02:27:45,046 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-07 02:27:45,046 INFO L276 IsEmpty]: Start isEmpty. Operand 1010 states and 1282 transitions. [2019-11-07 02:27:45,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2019-11-07 02:27:45,050 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 02:27:45,051 INFO L410 BasicCegarLoop]: 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] [2019-11-07 02:27:45,051 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 02:27:45,051 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 02:27:45,051 INFO L82 PathProgramCache]: Analyzing trace with hash 956393434, now seen corresponding path program 1 times [2019-11-07 02:27:45,051 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 02:27:45,052 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1345810100] [2019-11-07 02:27:45,052 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 02:27:45,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 02:27:45,185 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-07 02:27:45,185 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1345810100] [2019-11-07 02:27:45,186 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 02:27:45,186 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-07 02:27:45,186 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1476251051] [2019-11-07 02:27:45,187 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-07 02:27:45,190 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 02:27:45,190 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-07 02:27:45,190 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-07 02:27:45,191 INFO L87 Difference]: Start difference. First operand 1010 states and 1282 transitions. Second operand 3 states. [2019-11-07 02:27:45,305 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 02:27:45,305 INFO L93 Difference]: Finished difference Result 2046 states and 2628 transitions. [2019-11-07 02:27:45,306 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-07 02:27:45,306 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 54 [2019-11-07 02:27:45,306 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 02:27:45,313 INFO L225 Difference]: With dead ends: 2046 [2019-11-07 02:27:45,314 INFO L226 Difference]: Without dead ends: 1054 [2019-11-07 02:27:45,319 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-07 02:27:45,322 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1054 states. [2019-11-07 02:27:45,376 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1054 to 1054. [2019-11-07 02:27:45,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1054 states. [2019-11-07 02:27:45,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1054 states to 1054 states and 1357 transitions. [2019-11-07 02:27:45,384 INFO L78 Accepts]: Start accepts. Automaton has 1054 states and 1357 transitions. Word has length 54 [2019-11-07 02:27:45,385 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 02:27:45,385 INFO L462 AbstractCegarLoop]: Abstraction has 1054 states and 1357 transitions. [2019-11-07 02:27:45,385 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-07 02:27:45,385 INFO L276 IsEmpty]: Start isEmpty. Operand 1054 states and 1357 transitions. [2019-11-07 02:27:45,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2019-11-07 02:27:45,388 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 02:27:45,389 INFO L410 BasicCegarLoop]: 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, 1] [2019-11-07 02:27:45,389 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 02:27:45,389 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 02:27:45,389 INFO L82 PathProgramCache]: Analyzing trace with hash -1647348691, now seen corresponding path program 1 times [2019-11-07 02:27:45,389 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 02:27:45,390 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1169392527] [2019-11-07 02:27:45,390 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 02:27:45,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 02:27:45,575 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-07 02:27:45,576 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1169392527] [2019-11-07 02:27:45,576 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 02:27:45,576 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-11-07 02:27:45,576 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1943668564] [2019-11-07 02:27:45,577 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-11-07 02:27:45,577 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 02:27:45,577 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-07 02:27:45,578 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2019-11-07 02:27:45,578 INFO L87 Difference]: Start difference. First operand 1054 states and 1357 transitions. Second operand 8 states. [2019-11-07 02:27:46,376 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 02:27:46,376 INFO L93 Difference]: Finished difference Result 1174 states and 1479 transitions. [2019-11-07 02:27:46,377 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-11-07 02:27:46,377 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 64 [2019-11-07 02:27:46,377 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 02:27:46,384 INFO L225 Difference]: With dead ends: 1174 [2019-11-07 02:27:46,384 INFO L226 Difference]: Without dead ends: 1171 [2019-11-07 02:27:46,386 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2019-11-07 02:27:46,388 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1171 states. [2019-11-07 02:27:46,434 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1171 to 1171. [2019-11-07 02:27:46,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1171 states. [2019-11-07 02:27:46,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1171 states to 1171 states and 1476 transitions. [2019-11-07 02:27:46,442 INFO L78 Accepts]: Start accepts. Automaton has 1171 states and 1476 transitions. Word has length 64 [2019-11-07 02:27:46,443 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 02:27:46,443 INFO L462 AbstractCegarLoop]: Abstraction has 1171 states and 1476 transitions. [2019-11-07 02:27:46,443 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-11-07 02:27:46,443 INFO L276 IsEmpty]: Start isEmpty. Operand 1171 states and 1476 transitions. [2019-11-07 02:27:46,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2019-11-07 02:27:46,446 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 02:27:46,446 INFO L410 BasicCegarLoop]: trace histogram [3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 02:27:46,447 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 02:27:46,447 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 02:27:46,447 INFO L82 PathProgramCache]: Analyzing trace with hash 1115718217, now seen corresponding path program 1 times [2019-11-07 02:27:46,447 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 02:27:46,448 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [305008031] [2019-11-07 02:27:46,448 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 02:27:46,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 02:27:46,825 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-11-07 02:27:46,826 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [305008031] [2019-11-07 02:27:46,826 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 02:27:46,826 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-11-07 02:27:46,826 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2079073533] [2019-11-07 02:27:46,827 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-11-07 02:27:46,827 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 02:27:46,827 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-11-07 02:27:46,827 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2019-11-07 02:27:46,828 INFO L87 Difference]: Start difference. First operand 1171 states and 1476 transitions. Second operand 9 states. [2019-11-07 02:27:50,092 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 02:27:50,092 INFO L93 Difference]: Finished difference Result 1447 states and 1824 transitions. [2019-11-07 02:27:50,093 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-11-07 02:27:50,093 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 72 [2019-11-07 02:27:50,093 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 02:27:50,105 INFO L225 Difference]: With dead ends: 1447 [2019-11-07 02:27:50,105 INFO L226 Difference]: Without dead ends: 1432 [2019-11-07 02:27:50,107 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2019-11-07 02:27:50,110 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1432 states. [2019-11-07 02:27:50,169 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1432 to 1398. [2019-11-07 02:27:50,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1398 states. [2019-11-07 02:27:50,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1398 states to 1398 states and 1749 transitions. [2019-11-07 02:27:50,180 INFO L78 Accepts]: Start accepts. Automaton has 1398 states and 1749 transitions. Word has length 72 [2019-11-07 02:27:50,181 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 02:27:50,181 INFO L462 AbstractCegarLoop]: Abstraction has 1398 states and 1749 transitions. [2019-11-07 02:27:50,181 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-11-07 02:27:50,181 INFO L276 IsEmpty]: Start isEmpty. Operand 1398 states and 1749 transitions. [2019-11-07 02:27:50,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2019-11-07 02:27:50,185 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 02:27:50,185 INFO L410 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 02:27:50,186 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 02:27:50,186 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 02:27:50,186 INFO L82 PathProgramCache]: Analyzing trace with hash 1278779957, now seen corresponding path program 1 times [2019-11-07 02:27:50,186 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 02:27:50,186 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1669503932] [2019-11-07 02:27:50,187 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 02:27:50,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 02:27:50,317 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-11-07 02:27:50,317 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1669503932] [2019-11-07 02:27:50,317 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 02:27:50,318 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-07 02:27:50,318 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1195829155] [2019-11-07 02:27:50,318 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-07 02:27:50,319 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 02:27:50,319 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-07 02:27:50,320 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-07 02:27:50,320 INFO L87 Difference]: Start difference. First operand 1398 states and 1749 transitions. Second operand 5 states. [2019-11-07 02:27:50,388 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 02:27:50,388 INFO L93 Difference]: Finished difference Result 2796 states and 3503 transitions. [2019-11-07 02:27:50,389 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-07 02:27:50,389 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 89 [2019-11-07 02:27:50,389 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 02:27:50,401 INFO L225 Difference]: With dead ends: 2796 [2019-11-07 02:27:50,401 INFO L226 Difference]: Without dead ends: 1406 [2019-11-07 02:27:50,406 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-07 02:27:50,408 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1406 states. [2019-11-07 02:27:50,471 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1406 to 1403. [2019-11-07 02:27:50,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1403 states. [2019-11-07 02:27:50,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1403 states to 1403 states and 1753 transitions. [2019-11-07 02:27:50,484 INFO L78 Accepts]: Start accepts. Automaton has 1403 states and 1753 transitions. Word has length 89 [2019-11-07 02:27:50,484 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 02:27:50,484 INFO L462 AbstractCegarLoop]: Abstraction has 1403 states and 1753 transitions. [2019-11-07 02:27:50,485 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-07 02:27:50,485 INFO L276 IsEmpty]: Start isEmpty. Operand 1403 states and 1753 transitions. [2019-11-07 02:27:50,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2019-11-07 02:27:50,498 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 02:27:50,498 INFO L410 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 02:27:50,499 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 02:27:50,499 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 02:27:50,499 INFO L82 PathProgramCache]: Analyzing trace with hash -252832200, now seen corresponding path program 1 times [2019-11-07 02:27:50,499 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 02:27:50,500 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [175984094] [2019-11-07 02:27:50,500 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 02:27:50,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 02:27:50,835 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-11-07 02:27:50,836 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [175984094] [2019-11-07 02:27:50,836 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 02:27:50,836 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2019-11-07 02:27:50,836 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2002389343] [2019-11-07 02:27:50,837 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-11-07 02:27:50,837 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 02:27:50,837 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-11-07 02:27:50,837 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2019-11-07 02:27:50,838 INFO L87 Difference]: Start difference. First operand 1403 states and 1753 transitions. Second operand 11 states. [2019-11-07 02:27:50,977 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 02:27:50,977 INFO L93 Difference]: Finished difference Result 2828 states and 3532 transitions. [2019-11-07 02:27:50,977 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-11-07 02:27:50,977 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 110 [2019-11-07 02:27:50,978 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 02:27:50,991 INFO L225 Difference]: With dead ends: 2828 [2019-11-07 02:27:50,991 INFO L226 Difference]: Without dead ends: 1423 [2019-11-07 02:27:50,998 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2019-11-07 02:27:51,001 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1423 states. [2019-11-07 02:27:51,057 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1423 to 1413. [2019-11-07 02:27:51,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1413 states. [2019-11-07 02:27:51,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1413 states to 1413 states and 1762 transitions. [2019-11-07 02:27:51,066 INFO L78 Accepts]: Start accepts. Automaton has 1413 states and 1762 transitions. Word has length 110 [2019-11-07 02:27:51,066 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 02:27:51,066 INFO L462 AbstractCegarLoop]: Abstraction has 1413 states and 1762 transitions. [2019-11-07 02:27:51,066 INFO L463 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-11-07 02:27:51,066 INFO L276 IsEmpty]: Start isEmpty. Operand 1413 states and 1762 transitions. [2019-11-07 02:27:51,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2019-11-07 02:27:51,069 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 02:27:51,070 INFO L410 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 02:27:51,070 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 02:27:51,070 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 02:27:51,070 INFO L82 PathProgramCache]: Analyzing trace with hash -1497960156, now seen corresponding path program 1 times [2019-11-07 02:27:51,071 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 02:27:51,071 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [568560715] [2019-11-07 02:27:51,071 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 02:27:51,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 02:27:51,315 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-11-07 02:27:51,316 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [568560715] [2019-11-07 02:27:51,317 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 02:27:51,317 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-11-07 02:27:51,318 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [378913530] [2019-11-07 02:27:51,319 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-11-07 02:27:51,319 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 02:27:51,319 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-07 02:27:51,319 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2019-11-07 02:27:51,319 INFO L87 Difference]: Start difference. First operand 1413 states and 1762 transitions. Second operand 8 states. [2019-11-07 02:27:51,661 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 02:27:51,662 INFO L93 Difference]: Finished difference Result 1446 states and 1797 transitions. [2019-11-07 02:27:51,662 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-11-07 02:27:51,662 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 114 [2019-11-07 02:27:51,663 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 02:27:51,670 INFO L225 Difference]: With dead ends: 1446 [2019-11-07 02:27:51,670 INFO L226 Difference]: Without dead ends: 1443 [2019-11-07 02:27:51,671 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2019-11-07 02:27:51,673 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1443 states. [2019-11-07 02:27:51,725 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1443 to 1441. [2019-11-07 02:27:51,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1441 states. [2019-11-07 02:27:51,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1441 states to 1441 states and 1792 transitions. [2019-11-07 02:27:51,732 INFO L78 Accepts]: Start accepts. Automaton has 1441 states and 1792 transitions. Word has length 114 [2019-11-07 02:27:51,732 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 02:27:51,732 INFO L462 AbstractCegarLoop]: Abstraction has 1441 states and 1792 transitions. [2019-11-07 02:27:51,732 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-11-07 02:27:51,733 INFO L276 IsEmpty]: Start isEmpty. Operand 1441 states and 1792 transitions. [2019-11-07 02:27:51,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2019-11-07 02:27:51,737 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 02:27:51,738 INFO L410 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 02:27:51,738 INFO L410 AbstractCegarLoop]: === Iteration 10 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 02:27:51,738 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 02:27:51,739 INFO L82 PathProgramCache]: Analyzing trace with hash -2059897439, now seen corresponding path program 1 times [2019-11-07 02:27:51,739 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 02:27:51,739 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1806488041] [2019-11-07 02:27:51,739 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 02:27:51,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 02:27:51,905 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-11-07 02:27:51,905 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1806488041] [2019-11-07 02:27:51,906 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 02:27:51,906 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-11-07 02:27:51,906 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1311470623] [2019-11-07 02:27:51,907 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-11-07 02:27:51,907 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 02:27:51,907 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-07 02:27:51,907 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2019-11-07 02:27:51,907 INFO L87 Difference]: Start difference. First operand 1441 states and 1792 transitions. Second operand 8 states. [2019-11-07 02:27:52,492 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 02:27:52,493 INFO L93 Difference]: Finished difference Result 1501 states and 1851 transitions. [2019-11-07 02:27:52,493 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-11-07 02:27:52,493 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 121 [2019-11-07 02:27:52,494 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 02:27:52,502 INFO L225 Difference]: With dead ends: 1501 [2019-11-07 02:27:52,503 INFO L226 Difference]: Without dead ends: 1498 [2019-11-07 02:27:52,504 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2019-11-07 02:27:52,515 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1498 states. [2019-11-07 02:27:52,569 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1498 to 1488. [2019-11-07 02:27:52,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1488 states. [2019-11-07 02:27:52,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1488 states to 1488 states and 1838 transitions. [2019-11-07 02:27:52,575 INFO L78 Accepts]: Start accepts. Automaton has 1488 states and 1838 transitions. Word has length 121 [2019-11-07 02:27:52,575 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 02:27:52,576 INFO L462 AbstractCegarLoop]: Abstraction has 1488 states and 1838 transitions. [2019-11-07 02:27:52,576 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-11-07 02:27:52,576 INFO L276 IsEmpty]: Start isEmpty. Operand 1488 states and 1838 transitions. [2019-11-07 02:27:52,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2019-11-07 02:27:52,580 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 02:27:52,581 INFO L410 BasicCegarLoop]: trace histogram [4, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 02:27:52,581 INFO L410 AbstractCegarLoop]: === Iteration 11 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 02:27:52,581 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 02:27:52,581 INFO L82 PathProgramCache]: Analyzing trace with hash -43065415, now seen corresponding path program 1 times [2019-11-07 02:27:52,581 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 02:27:52,582 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [962123060] [2019-11-07 02:27:52,582 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 02:27:52,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 02:27:52,681 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2019-11-07 02:27:52,681 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [962123060] [2019-11-07 02:27:52,681 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 02:27:52,681 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-07 02:27:52,682 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [675304654] [2019-11-07 02:27:52,682 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-07 02:27:52,682 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 02:27:52,682 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-07 02:27:52,683 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-07 02:27:52,683 INFO L87 Difference]: Start difference. First operand 1488 states and 1838 transitions. Second operand 4 states. [2019-11-07 02:27:52,801 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 02:27:52,801 INFO L93 Difference]: Finished difference Result 3022 states and 3775 transitions. [2019-11-07 02:27:52,802 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-07 02:27:52,802 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 130 [2019-11-07 02:27:52,802 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 02:27:52,811 INFO L225 Difference]: With dead ends: 3022 [2019-11-07 02:27:52,811 INFO L226 Difference]: Without dead ends: 1552 [2019-11-07 02:27:52,818 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-07 02:27:52,821 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1552 states. [2019-11-07 02:27:52,878 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1552 to 1552. [2019-11-07 02:27:52,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1552 states. [2019-11-07 02:27:52,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1552 states to 1552 states and 1949 transitions. [2019-11-07 02:27:52,884 INFO L78 Accepts]: Start accepts. Automaton has 1552 states and 1949 transitions. Word has length 130 [2019-11-07 02:27:52,885 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 02:27:52,885 INFO L462 AbstractCegarLoop]: Abstraction has 1552 states and 1949 transitions. [2019-11-07 02:27:52,885 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-07 02:27:52,885 INFO L276 IsEmpty]: Start isEmpty. Operand 1552 states and 1949 transitions. [2019-11-07 02:27:52,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2019-11-07 02:27:52,890 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 02:27:52,890 INFO L410 BasicCegarLoop]: trace histogram [4, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 02:27:52,891 INFO L410 AbstractCegarLoop]: === Iteration 12 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 02:27:52,891 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 02:27:52,891 INFO L82 PathProgramCache]: Analyzing trace with hash 2124567457, now seen corresponding path program 1 times [2019-11-07 02:27:52,891 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 02:27:52,891 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [743187916] [2019-11-07 02:27:52,892 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 02:27:52,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 02:27:53,148 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2019-11-07 02:27:53,149 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [743187916] [2019-11-07 02:27:53,149 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1062815676] [2019-11-07 02:27:53,149 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-07 02:27:53,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 02:27:53,620 INFO L256 TraceCheckSpWp]: Trace formula consists of 1213 conjuncts, 35 conjunts are in the unsatisfiable core [2019-11-07 02:27:53,633 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-07 02:27:53,950 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-11-07 02:27:53,951 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-11-07 02:27:54,819 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-07 02:27:54,932 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2019-11-07 02:27:54,933 INFO L218 FreeRefinementEngine]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2019-11-07 02:27:54,933 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10, 8] imperfect sequences [9] total 21 [2019-11-07 02:27:54,934 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1249228748] [2019-11-07 02:27:54,934 INFO L442 AbstractCegarLoop]: Interpolant automaton has 15 states [2019-11-07 02:27:54,934 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 02:27:54,935 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2019-11-07 02:27:54,935 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=354, Unknown=0, NotChecked=0, Total=420 [2019-11-07 02:27:54,935 INFO L87 Difference]: Start difference. First operand 1552 states and 1949 transitions. Second operand 15 states. [2019-11-07 02:27:56,737 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 02:27:56,737 INFO L93 Difference]: Finished difference Result 1876 states and 2389 transitions. [2019-11-07 02:27:56,737 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-11-07 02:27:56,738 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 136 [2019-11-07 02:27:56,738 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 02:27:56,749 INFO L225 Difference]: With dead ends: 1876 [2019-11-07 02:27:56,750 INFO L226 Difference]: Without dead ends: 1846 [2019-11-07 02:27:56,752 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 288 GetRequests, 268 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 90 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=76, Invalid=386, Unknown=0, NotChecked=0, Total=462 [2019-11-07 02:27:56,755 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1846 states. [2019-11-07 02:27:56,833 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1846 to 1791. [2019-11-07 02:27:56,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1791 states. [2019-11-07 02:27:56,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1791 states to 1791 states and 2265 transitions. [2019-11-07 02:27:56,841 INFO L78 Accepts]: Start accepts. Automaton has 1791 states and 2265 transitions. Word has length 136 [2019-11-07 02:27:56,841 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 02:27:56,841 INFO L462 AbstractCegarLoop]: Abstraction has 1791 states and 2265 transitions. [2019-11-07 02:27:56,842 INFO L463 AbstractCegarLoop]: Interpolant automaton has 15 states. [2019-11-07 02:27:56,842 INFO L276 IsEmpty]: Start isEmpty. Operand 1791 states and 2265 transitions. [2019-11-07 02:27:56,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2019-11-07 02:27:56,848 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 02:27:56,849 INFO L410 BasicCegarLoop]: trace histogram [4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 02:27:57,056 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-07 02:27:57,056 INFO L410 AbstractCegarLoop]: === Iteration 13 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 02:27:57,057 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 02:27:57,057 INFO L82 PathProgramCache]: Analyzing trace with hash 2027297473, now seen corresponding path program 1 times [2019-11-07 02:27:57,057 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 02:27:57,057 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [544518863] [2019-11-07 02:27:57,058 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 02:27:57,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 02:27:57,168 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2019-11-07 02:27:57,169 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [544518863] [2019-11-07 02:27:57,169 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 02:27:57,169 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-07 02:27:57,170 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1555521152] [2019-11-07 02:27:57,170 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-07 02:27:57,170 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 02:27:57,171 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-07 02:27:57,171 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-07 02:27:57,171 INFO L87 Difference]: Start difference. First operand 1791 states and 2265 transitions. Second operand 4 states. [2019-11-07 02:27:57,275 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 02:27:57,275 INFO L93 Difference]: Finished difference Result 3648 states and 4659 transitions. [2019-11-07 02:27:57,275 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-07 02:27:57,276 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 137 [2019-11-07 02:27:57,276 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 02:27:57,287 INFO L225 Difference]: With dead ends: 3648 [2019-11-07 02:27:57,287 INFO L226 Difference]: Without dead ends: 1875 [2019-11-07 02:27:57,294 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-07 02:27:57,298 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1875 states. [2019-11-07 02:27:57,369 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1875 to 1875. [2019-11-07 02:27:57,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1875 states. [2019-11-07 02:27:57,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1875 states to 1875 states and 2409 transitions. [2019-11-07 02:27:57,376 INFO L78 Accepts]: Start accepts. Automaton has 1875 states and 2409 transitions. Word has length 137 [2019-11-07 02:27:57,376 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 02:27:57,376 INFO L462 AbstractCegarLoop]: Abstraction has 1875 states and 2409 transitions. [2019-11-07 02:27:57,376 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-07 02:27:57,376 INFO L276 IsEmpty]: Start isEmpty. Operand 1875 states and 2409 transitions. [2019-11-07 02:27:57,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2019-11-07 02:27:57,386 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 02:27:57,386 INFO L410 BasicCegarLoop]: trace histogram [4, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 02:27:57,387 INFO L410 AbstractCegarLoop]: === Iteration 14 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 02:27:57,387 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 02:27:57,387 INFO L82 PathProgramCache]: Analyzing trace with hash -1276845299, now seen corresponding path program 1 times [2019-11-07 02:27:57,387 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 02:27:57,388 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [454625967] [2019-11-07 02:27:57,388 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 02:27:57,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 02:27:57,578 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 10 proven. 3 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-11-07 02:27:57,578 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [454625967] [2019-11-07 02:27:57,578 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1910375571] [2019-11-07 02:27:57,579 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-07 02:27:58,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 02:27:58,119 INFO L256 TraceCheckSpWp]: Trace formula consists of 1246 conjuncts, 3 conjunts are in the unsatisfiable core [2019-11-07 02:27:58,126 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-07 02:27:58,165 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 18 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-11-07 02:27:58,165 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-11-07 02:27:58,343 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 10 proven. 3 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-11-07 02:27:58,343 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [309527626] [2019-11-07 02:27:58,396 INFO L159 IcfgInterpreter]: Started Sifa with 119 locations of interest [2019-11-07 02:27:58,397 INFO L166 IcfgInterpreter]: Building call graph [2019-11-07 02:27:58,406 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-11-07 02:27:58,422 INFO L176 IcfgInterpreter]: Starting interpretation [2019-11-07 02:27:58,423 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-11-07 02:28:00,081 WARN L191 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 523 [2019-11-07 02:28:00,821 WARN L191 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 51 [2019-11-07 02:28:00,950 WARN L191 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 520 [2019-11-07 02:28:01,111 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 520 [2019-11-07 02:28:01,374 WARN L191 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-11-07 02:28:01,545 WARN L191 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 520