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-validator-v0.6/linux-stable-9ec4f65-1-110_1a-drivers--rtc--rtc-tegra.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f4eb214f-m [2019-10-13 22:54:26,522 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-13 22:54:26,524 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-13 22:54:26,537 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-13 22:54:26,537 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-13 22:54:26,538 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-13 22:54:26,539 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-13 22:54:26,542 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-13 22:54:26,543 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-13 22:54:26,544 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-13 22:54:26,545 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-13 22:54:26,546 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-13 22:54:26,547 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-13 22:54:26,548 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-13 22:54:26,549 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-13 22:54:26,550 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-13 22:54:26,551 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-13 22:54:26,552 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-13 22:54:26,554 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-13 22:54:26,556 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-13 22:54:26,558 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-13 22:54:26,559 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-13 22:54:26,560 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-13 22:54:26,561 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-13 22:54:26,564 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-13 22:54:26,564 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-13 22:54:26,565 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-13 22:54:26,565 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-13 22:54:26,566 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-13 22:54:26,567 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-13 22:54:26,567 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-13 22:54:26,568 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-13 22:54:26,569 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-13 22:54:26,570 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-13 22:54:26,573 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-13 22:54:26,573 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-13 22:54:26,574 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-13 22:54:26,574 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-13 22:54:26,574 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-13 22:54:26,575 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-13 22:54:26,576 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-13 22:54:26,577 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-13 22:54:26,597 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-13 22:54:26,598 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-13 22:54:26,599 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-13 22:54:26,600 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-13 22:54:26,600 INFO L138 SettingsManager]: * Use SBE=true [2019-10-13 22:54:26,600 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-13 22:54:26,600 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-13 22:54:26,601 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-13 22:54:26,601 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-13 22:54:26,601 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-13 22:54:26,602 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-13 22:54:26,602 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-13 22:54:26,602 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-13 22:54:26,603 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-13 22:54:26,603 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-13 22:54:26,603 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-13 22:54:26,604 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-13 22:54:26,604 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-13 22:54:26,604 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-13 22:54:26,604 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-13 22:54:26,605 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-13 22:54:26,605 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 22:54:26,605 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-13 22:54:26,606 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-13 22:54:26,606 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-13 22:54:26,606 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-13 22:54:26,606 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-13 22:54:26,607 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-13 22:54:26,607 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 [2019-10-13 22:54:26,892 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-13 22:54:26,913 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-13 22:54:26,917 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-13 22:54:26,918 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-13 22:54:26,919 INFO L275 PluginConnector]: CDTParser initialized [2019-10-13 22:54:26,920 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-validator-v0.6/linux-stable-9ec4f65-1-110_1a-drivers--rtc--rtc-tegra.ko-entry_point.cil.out.i [2019-10-13 22:54:26,991 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/540b98569/f4625e5965f1410c9c264c41dca8ee3a/FLAG90f761d42 [2019-10-13 22:54:27,640 INFO L306 CDTParser]: Found 1 translation units. [2019-10-13 22:54:27,642 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-validator-v0.6/linux-stable-9ec4f65-1-110_1a-drivers--rtc--rtc-tegra.ko-entry_point.cil.out.i [2019-10-13 22:54:27,668 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/540b98569/f4625e5965f1410c9c264c41dca8ee3a/FLAG90f761d42 [2019-10-13 22:54:27,776 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/540b98569/f4625e5965f1410c9c264c41dca8ee3a [2019-10-13 22:54:27,789 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-13 22:54:27,791 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-13 22:54:27,792 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-13 22:54:27,793 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-13 22:54:27,796 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-13 22:54:27,797 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 10:54:27" (1/1) ... [2019-10-13 22:54:27,800 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@663b110d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:54:27, skipping insertion in model container [2019-10-13 22:54:27,800 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 10:54:27" (1/1) ... [2019-10-13 22:54:27,806 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-13 22:54:27,886 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-13 22:54:29,020 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 22:54:29,058 INFO L188 MainTranslator]: Completed pre-run [2019-10-13 22:54:29,280 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 22:54:29,385 INFO L192 MainTranslator]: Completed translation [2019-10-13 22:54:29,386 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:54:29 WrapperNode [2019-10-13 22:54:29,387 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-13 22:54:29,388 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-13 22:54:29,388 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-13 22:54:29,388 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-13 22:54:29,403 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:54:29" (1/1) ... [2019-10-13 22:54:29,404 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:54:29" (1/1) ... [2019-10-13 22:54:29,470 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:54:29" (1/1) ... [2019-10-13 22:54:29,471 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:54:29" (1/1) ... [2019-10-13 22:54:29,597 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:54:29" (1/1) ... [2019-10-13 22:54:29,620 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:54:29" (1/1) ... [2019-10-13 22:54:29,639 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:54:29" (1/1) ... [2019-10-13 22:54:29,657 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-13 22:54:29,658 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-13 22:54:29,658 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-13 22:54:29,659 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-13 22:54:29,660 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:54:29" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 22:54:29,748 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-13 22:54:29,749 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-13 22:54:29,749 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~~TO~VOID [2019-10-13 22:54:29,749 INFO L138 BoogieDeclarations]: Found implementation of procedure outer_sync [2019-10-13 22:54:29,749 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_9 [2019-10-13 22:54:29,751 INFO L138 BoogieDeclarations]: Found implementation of procedure kobject_name [2019-10-13 22:54:29,751 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-10-13 22:54:29,751 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-10-13 22:54:29,752 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2019-10-13 22:54:29,752 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ptr [2019-10-13 22:54:29,752 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2019-10-13 22:54:29,753 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2019-10-13 22:54:29,754 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2019-10-13 22:54:29,754 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2019-10-13 22:54:29,754 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2019-10-13 22:54:29,754 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2019-10-13 22:54:29,758 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_irq_wake [2019-10-13 22:54:29,758 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_irq_wake [2019-10-13 22:54:29,758 INFO L138 BoogieDeclarations]: Found implementation of procedure resource_size [2019-10-13 22:54:29,759 INFO L138 BoogieDeclarations]: Found implementation of procedure device_may_wakeup [2019-10-13 22:54:29,759 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2019-10-13 22:54:29,759 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_drvdata [2019-10-13 22:54:29,760 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_set_drvdata [2019-10-13 22:54:29,760 INFO L138 BoogieDeclarations]: Found implementation of procedure tegra_rtc_check_busy [2019-10-13 22:54:29,760 INFO L138 BoogieDeclarations]: Found implementation of procedure tegra_rtc_wait_while_busy [2019-10-13 22:54:29,760 INFO L138 BoogieDeclarations]: Found implementation of procedure tegra_rtc_read_time [2019-10-13 22:54:29,760 INFO L138 BoogieDeclarations]: Found implementation of procedure tegra_rtc_set_time [2019-10-13 22:54:29,761 INFO L138 BoogieDeclarations]: Found implementation of procedure tegra_rtc_read_alarm [2019-10-13 22:54:29,761 INFO L138 BoogieDeclarations]: Found implementation of procedure tegra_rtc_alarm_irq_enable [2019-10-13 22:54:29,761 INFO L138 BoogieDeclarations]: Found implementation of procedure tegra_rtc_set_alarm [2019-10-13 22:54:29,761 INFO L138 BoogieDeclarations]: Found implementation of procedure tegra_rtc_proc [2019-10-13 22:54:29,762 INFO L138 BoogieDeclarations]: Found implementation of procedure tegra_rtc_irq_handler [2019-10-13 22:54:29,762 INFO L138 BoogieDeclarations]: Found implementation of procedure tegra_rtc_probe [2019-10-13 22:54:29,762 INFO L138 BoogieDeclarations]: Found implementation of procedure tegra_rtc_remove [2019-10-13 22:54:29,762 INFO L138 BoogieDeclarations]: Found implementation of procedure tegra_rtc_suspend [2019-10-13 22:54:29,763 INFO L138 BoogieDeclarations]: Found implementation of procedure tegra_rtc_resume [2019-10-13 22:54:29,763 INFO L138 BoogieDeclarations]: Found implementation of procedure tegra_rtc_shutdown [2019-10-13 22:54:29,763 INFO L138 BoogieDeclarations]: Found implementation of procedure tegra_rtc_init [2019-10-13 22:54:29,763 INFO L138 BoogieDeclarations]: Found implementation of procedure tegra_rtc_exit [2019-10-13 22:54:29,764 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2019-10-13 22:54:29,764 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_irq_1 [2019-10-13 22:54:29,764 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_check_1 [2019-10-13 22:54:29,765 INFO L138 BoogieDeclarations]: Found implementation of procedure choose_interrupt_1 [2019-10-13 22:54:29,765 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_rtc_class_ops_3 [2019-10-13 22:54:29,765 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_platform_driver_2 [2019-10-13 22:54:29,765 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_irq_1 [2019-10-13 22:54:29,765 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-13 22:54:29,766 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2019-10-13 22:54:29,766 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2019-10-13 22:54:29,766 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2019-10-13 22:54:29,766 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kzalloc_22 [2019-10-13 22:54:29,767 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_rtc_device_register_23 [2019-10-13 22:54:29,767 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq_24 [2019-10-13 22:54:29,767 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_rtc_device_unregister_25 [2019-10-13 22:54:29,767 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq_26 [2019-10-13 22:54:29,768 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_rtc_device_unregister_27 [2019-10-13 22:54:29,768 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2019-10-13 22:54:29,768 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2019-10-13 22:54:29,768 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2019-10-13 22:54:29,769 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2019-10-13 22:54:29,770 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_init [2019-10-13 22:54:29,770 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_check [2019-10-13 22:54:29,770 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2019-10-13 22:54:29,770 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2019-10-13 22:54:29,771 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_region [2019-10-13 22:54:29,771 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irqrestore [2019-10-13 22:54:29,771 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2019-10-13 22:54:29,771 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2019-10-13 22:54:29,772 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_notice [2019-10-13 22:54:29,772 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2019-10-13 22:54:29,772 INFO L138 BoogieDeclarations]: Found implementation of procedure device_init_wakeup [2019-10-13 22:54:29,772 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2019-10-13 22:54:29,773 INFO L138 BoogieDeclarations]: Found implementation of procedure irq_set_irq_wake [2019-10-13 22:54:29,774 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-10-13 22:54:29,774 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-10-13 22:54:29,774 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_probe_2 [2019-10-13 22:54:29,775 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_probe_3 [2019-10-13 22:54:29,775 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_3 [2019-10-13 22:54:29,776 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_driver_probe [2019-10-13 22:54:29,776 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_driver_unregister [2019-10-13 22:54:29,776 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_irq [2019-10-13 22:54:29,777 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_resource [2019-10-13 22:54:29,777 INFO L138 BoogieDeclarations]: Found implementation of procedure request_threaded_irq [2019-10-13 22:54:29,778 INFO L138 BoogieDeclarations]: Found implementation of procedure rtc_device_register [2019-10-13 22:54:29,778 INFO L138 BoogieDeclarations]: Found implementation of procedure rtc_device_unregister [2019-10-13 22:54:29,778 INFO L138 BoogieDeclarations]: Found implementation of procedure rtc_time_to_tm [2019-10-13 22:54:29,778 INFO L138 BoogieDeclarations]: Found implementation of procedure rtc_tm_to_time [2019-10-13 22:54:29,780 INFO L138 BoogieDeclarations]: Found implementation of procedure rtc_update_irq [2019-10-13 22:54:29,780 INFO L138 BoogieDeclarations]: Found implementation of procedure rtc_valid_tm [2019-10-13 22:54:29,780 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_printf [2019-10-13 22:54:29,780 INFO L138 BoogieDeclarations]: Found implementation of procedure tegra_ioremap [2019-10-13 22:54:29,780 INFO L138 BoogieDeclarations]: Found implementation of procedure tegra_iounmap [2019-10-13 22:54:29,781 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-10-13 22:54:29,781 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-10-13 22:54:29,781 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-10-13 22:54:29,781 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-10-13 22:54:29,782 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-13 22:54:29,782 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2019-10-13 22:54:29,782 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2019-10-13 22:54:29,782 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2019-10-13 22:54:29,783 INFO L130 BoogieDeclarations]: Found specification of procedure outer_sync [2019-10-13 22:54:29,783 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~~TO~VOID [2019-10-13 22:54:29,783 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-13 22:54:29,783 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-10-13 22:54:29,783 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-10-13 22:54:29,784 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-10-13 22:54:29,784 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore [2019-10-13 22:54:29,784 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_9 [2019-10-13 22:54:29,784 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2019-10-13 22:54:29,785 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_check [2019-10-13 22:54:29,785 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-10-13 22:54:29,785 INFO L130 BoogieDeclarations]: Found specification of procedure kobject_name [2019-10-13 22:54:29,785 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kzalloc_22 [2019-10-13 22:54:29,786 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-13 22:54:29,786 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-10-13 22:54:29,786 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-13 22:54:29,786 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2019-10-13 22:54:29,787 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-10-13 22:54:29,787 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-10-13 22:54:29,788 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-10-13 22:54:29,788 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-13 22:54:29,789 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-10-13 22:54:29,789 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2019-10-13 22:54:29,790 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ptr [2019-10-13 22:54:29,791 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2019-10-13 22:54:29,791 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2019-10-13 22:54:29,791 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2019-10-13 22:54:29,792 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2019-10-13 22:54:29,792 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2019-10-13 22:54:29,792 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_irq_1 [2019-10-13 22:54:29,793 INFO L130 BoogieDeclarations]: Found specification of procedure reg_check_1 [2019-10-13 22:54:29,793 INFO L130 BoogieDeclarations]: Found specification of procedure choose_interrupt_1 [2019-10-13 22:54:29,794 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_rtc_class_ops_3 [2019-10-13 22:54:29,800 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_platform_driver_2 [2019-10-13 22:54:29,804 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_irq_1 [2019-10-13 22:54:29,804 INFO L130 BoogieDeclarations]: Found specification of procedure tegra_ioremap [2019-10-13 22:54:29,804 INFO L130 BoogieDeclarations]: Found specification of procedure tegra_iounmap [2019-10-13 22:54:29,804 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2019-10-13 22:54:29,805 INFO L130 BoogieDeclarations]: Found specification of procedure request_threaded_irq [2019-10-13 22:54:29,805 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2019-10-13 22:54:29,806 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq_24 [2019-10-13 22:54:29,806 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2019-10-13 22:54:29,806 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq_26 [2019-10-13 22:54:29,807 INFO L130 BoogieDeclarations]: Found specification of procedure irq_set_irq_wake [2019-10-13 22:54:29,812 INFO L130 BoogieDeclarations]: Found specification of procedure enable_irq_wake [2019-10-13 22:54:29,813 INFO L130 BoogieDeclarations]: Found specification of procedure disable_irq_wake [2019-10-13 22:54:29,813 INFO L130 BoogieDeclarations]: Found specification of procedure rtc_valid_tm [2019-10-13 22:54:29,813 INFO L130 BoogieDeclarations]: Found specification of procedure rtc_tm_to_time [2019-10-13 22:54:29,813 INFO L130 BoogieDeclarations]: Found specification of procedure rtc_time_to_tm [2019-10-13 22:54:29,813 INFO L130 BoogieDeclarations]: Found specification of procedure resource_size [2019-10-13 22:54:29,814 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-13 22:54:29,814 INFO L130 BoogieDeclarations]: Found specification of procedure __request_region [2019-10-13 22:54:29,814 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2019-10-13 22:54:29,815 INFO L130 BoogieDeclarations]: Found specification of procedure device_may_wakeup [2019-10-13 22:54:29,815 INFO L130 BoogieDeclarations]: Found specification of procedure device_init_wakeup [2019-10-13 22:54:29,815 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2019-10-13 22:54:29,816 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2019-10-13 22:54:29,816 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2019-10-13 22:54:29,816 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2019-10-13 22:54:29,816 INFO L130 BoogieDeclarations]: Found specification of procedure dev_notice [2019-10-13 22:54:29,816 INFO L130 BoogieDeclarations]: Found specification of procedure seq_printf [2019-10-13 22:54:29,816 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2019-10-13 22:54:29,817 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2019-10-13 22:54:29,817 INFO L130 BoogieDeclarations]: Found specification of procedure rtc_device_register [2019-10-13 22:54:29,817 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_rtc_device_register_23 [2019-10-13 22:54:29,817 INFO L130 BoogieDeclarations]: Found specification of procedure rtc_device_unregister [2019-10-13 22:54:29,817 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_rtc_device_unregister_25 [2019-10-13 22:54:29,817 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_rtc_device_unregister_27 [2019-10-13 22:54:29,818 INFO L130 BoogieDeclarations]: Found specification of procedure rtc_update_irq [2019-10-13 22:54:29,818 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_resource [2019-10-13 22:54:29,818 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_irq [2019-10-13 22:54:29,818 INFO L130 BoogieDeclarations]: Found specification of procedure platform_driver_unregister [2019-10-13 22:54:29,818 INFO L130 BoogieDeclarations]: Found specification of procedure platform_driver_probe [2019-10-13 22:54:29,819 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_drvdata [2019-10-13 22:54:29,819 INFO L130 BoogieDeclarations]: Found specification of procedure platform_set_drvdata [2019-10-13 22:54:29,819 INFO L130 BoogieDeclarations]: Found specification of procedure tegra_rtc_check_busy [2019-10-13 22:54:29,819 INFO L130 BoogieDeclarations]: Found specification of procedure tegra_rtc_wait_while_busy [2019-10-13 22:54:29,819 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-13 22:54:29,819 INFO L130 BoogieDeclarations]: Found specification of procedure tegra_rtc_read_time [2019-10-13 22:54:29,820 INFO L130 BoogieDeclarations]: Found specification of procedure tegra_rtc_set_time [2019-10-13 22:54:29,820 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-13 22:54:29,820 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-13 22:54:29,820 INFO L130 BoogieDeclarations]: Found specification of procedure tegra_rtc_read_alarm [2019-10-13 22:54:29,820 INFO L130 BoogieDeclarations]: Found specification of procedure tegra_rtc_alarm_irq_enable [2019-10-13 22:54:29,820 INFO L130 BoogieDeclarations]: Found specification of procedure tegra_rtc_set_alarm [2019-10-13 22:54:29,820 INFO L130 BoogieDeclarations]: Found specification of procedure tegra_rtc_proc [2019-10-13 22:54:29,821 INFO L130 BoogieDeclarations]: Found specification of procedure tegra_rtc_irq_handler [2019-10-13 22:54:29,821 INFO L130 BoogieDeclarations]: Found specification of procedure tegra_rtc_probe [2019-10-13 22:54:29,821 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-13 22:54:29,822 INFO L130 BoogieDeclarations]: Found specification of procedure tegra_rtc_remove [2019-10-13 22:54:29,822 INFO L130 BoogieDeclarations]: Found specification of procedure tegra_rtc_suspend [2019-10-13 22:54:29,822 INFO L130 BoogieDeclarations]: Found specification of procedure tegra_rtc_resume [2019-10-13 22:54:29,822 INFO L130 BoogieDeclarations]: Found specification of procedure tegra_rtc_shutdown [2019-10-13 22:54:29,822 INFO L130 BoogieDeclarations]: Found specification of procedure tegra_rtc_init [2019-10-13 22:54:29,823 INFO L130 BoogieDeclarations]: Found specification of procedure tegra_rtc_exit [2019-10-13 22:54:29,823 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-10-13 22:54:29,823 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-10-13 22:54:29,823 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_probe_2 [2019-10-13 22:54:29,824 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_probe_3 [2019-10-13 22:54:29,824 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_3 [2019-10-13 22:54:29,824 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-13 22:54:29,824 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-10-13 22:54:29,824 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2019-10-13 22:54:29,824 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2019-10-13 22:54:29,825 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_init [2019-10-13 22:54:29,825 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-10-13 22:54:29,825 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-13 22:54:29,825 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-13 22:54:29,826 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-10-13 22:54:29,826 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-13 22:54:29,826 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-13 22:54:30,830 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2019-10-13 22:54:36,366 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-13 22:54:36,366 INFO L284 CfgBuilder]: Removed 0 assume(true) statements. [2019-10-13 22:54:36,369 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 10:54:36 BoogieIcfgContainer [2019-10-13 22:54:36,369 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-13 22:54:36,372 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-13 22:54:36,372 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-13 22:54:36,375 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-13 22:54:36,376 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 10:54:27" (1/3) ... [2019-10-13 22:54:36,376 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15960280 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 10:54:36, skipping insertion in model container [2019-10-13 22:54:36,377 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:54:29" (2/3) ... [2019-10-13 22:54:36,377 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15960280 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 10:54:36, skipping insertion in model container [2019-10-13 22:54:36,377 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 10:54:36" (3/3) ... [2019-10-13 22:54:36,379 INFO L109 eAbstractionObserver]: Analyzing ICFG linux-stable-9ec4f65-1-110_1a-drivers--rtc--rtc-tegra.ko-entry_point.cil.out.i [2019-10-13 22:54:36,390 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-13 22:54:36,402 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-13 22:54:36,415 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-13 22:54:36,451 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-13 22:54:36,451 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-13 22:54:36,451 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-13 22:54:36,451 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-13 22:54:36,451 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-13 22:54:36,451 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-13 22:54:36,451 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-13 22:54:36,452 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-13 22:54:36,484 INFO L276 IsEmpty]: Start isEmpty. Operand 545 states. [2019-10-13 22:54:36,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2019-10-13 22:54:36,502 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 22:54:36,503 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 22:54:36,506 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 22:54:36,511 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 22:54:36,512 INFO L82 PathProgramCache]: Analyzing trace with hash -464148251, now seen corresponding path program 1 times [2019-10-13 22:54:36,521 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 22:54:36,521 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1536014742] [2019-10-13 22:54:36,522 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:54:36,522 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:54:36,522 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 22:54:36,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 22:54:37,021 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 22:54:37,022 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1536014742] [2019-10-13 22:54:37,022 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 22:54:37,023 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 22:54:37,023 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [49665435] [2019-10-13 22:54:37,028 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 22:54:37,028 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 22:54:37,040 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 22:54:37,040 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 22:54:37,042 INFO L87 Difference]: Start difference. First operand 545 states. Second operand 3 states. [2019-10-13 22:54:37,163 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 22:54:37,163 INFO L93 Difference]: Finished difference Result 715 states and 912 transitions. [2019-10-13 22:54:37,164 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 22:54:37,165 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 43 [2019-10-13 22:54:37,166 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 22:54:37,186 INFO L225 Difference]: With dead ends: 715 [2019-10-13 22:54:37,187 INFO L226 Difference]: Without dead ends: 284 [2019-10-13 22:54:37,195 INFO L600 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 [2019-10-13 22:54:37,213 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 284 states. [2019-10-13 22:54:37,265 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 284 to 284. [2019-10-13 22:54:37,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 284 states. [2019-10-13 22:54:37,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 284 states and 344 transitions. [2019-10-13 22:54:37,274 INFO L78 Accepts]: Start accepts. Automaton has 284 states and 344 transitions. Word has length 43 [2019-10-13 22:54:37,275 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 22:54:37,276 INFO L462 AbstractCegarLoop]: Abstraction has 284 states and 344 transitions. [2019-10-13 22:54:37,276 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 22:54:37,276 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states and 344 transitions. [2019-10-13 22:54:37,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2019-10-13 22:54:37,281 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 22:54:37,282 INFO L380 BasicCegarLoop]: trace histogram [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] [2019-10-13 22:54:37,282 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 22:54:37,282 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 22:54:37,282 INFO L82 PathProgramCache]: Analyzing trace with hash -817722709, now seen corresponding path program 1 times [2019-10-13 22:54:37,283 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 22:54:37,283 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [294018413] [2019-10-13 22:54:37,283 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:54:37,283 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:54:37,283 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 22:54:37,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 22:54:37,376 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-10-13 22:54:37,376 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [294018413] [2019-10-13 22:54:37,376 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 22:54:37,377 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 22:54:37,377 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1423309465] [2019-10-13 22:54:37,379 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 22:54:37,379 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 22:54:37,379 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 22:54:37,380 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 22:54:37,380 INFO L87 Difference]: Start difference. First operand 284 states and 344 transitions. Second operand 3 states. [2019-10-13 22:54:37,511 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 22:54:37,511 INFO L93 Difference]: Finished difference Result 668 states and 812 transitions. [2019-10-13 22:54:37,512 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 22:54:37,512 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 61 [2019-10-13 22:54:37,513 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 22:54:37,523 INFO L225 Difference]: With dead ends: 668 [2019-10-13 22:54:37,523 INFO L226 Difference]: Without dead ends: 399 [2019-10-13 22:54:37,527 INFO L600 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 [2019-10-13 22:54:37,529 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 399 states. [2019-10-13 22:54:37,589 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 399 to 396. [2019-10-13 22:54:37,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 396 states. [2019-10-13 22:54:37,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 396 states to 396 states and 482 transitions. [2019-10-13 22:54:37,594 INFO L78 Accepts]: Start accepts. Automaton has 396 states and 482 transitions. Word has length 61 [2019-10-13 22:54:37,595 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 22:54:37,595 INFO L462 AbstractCegarLoop]: Abstraction has 396 states and 482 transitions. [2019-10-13 22:54:37,595 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 22:54:37,595 INFO L276 IsEmpty]: Start isEmpty. Operand 396 states and 482 transitions. [2019-10-13 22:54:37,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2019-10-13 22:54:37,604 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 22:54:37,605 INFO L380 BasicCegarLoop]: trace histogram [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] [2019-10-13 22:54:37,605 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 22:54:37,605 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 22:54:37,606 INFO L82 PathProgramCache]: Analyzing trace with hash 700979260, now seen corresponding path program 1 times [2019-10-13 22:54:37,606 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 22:54:37,606 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [657254012] [2019-10-13 22:54:37,606 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:54:37,606 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:54:37,607 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 22:54:37,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 22:54:37,773 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-10-13 22:54:37,773 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [657254012] [2019-10-13 22:54:37,773 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 22:54:37,774 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-13 22:54:37,774 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1683976712] [2019-10-13 22:54:37,775 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-13 22:54:37,775 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 22:54:37,775 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-13 22:54:37,775 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-13 22:54:37,776 INFO L87 Difference]: Start difference. First operand 396 states and 482 transitions. Second operand 5 states. [2019-10-13 22:54:37,940 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 22:54:37,940 INFO L93 Difference]: Finished difference Result 1164 states and 1434 transitions. [2019-10-13 22:54:37,941 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-13 22:54:37,941 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 63 [2019-10-13 22:54:37,942 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 22:54:37,948 INFO L225 Difference]: With dead ends: 1164 [2019-10-13 22:54:37,949 INFO L226 Difference]: Without dead ends: 791 [2019-10-13 22:54:37,951 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-10-13 22:54:37,953 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 791 states. [2019-10-13 22:54:38,029 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 791 to 768. [2019-10-13 22:54:38,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 768 states. [2019-10-13 22:54:38,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 768 states to 768 states and 939 transitions. [2019-10-13 22:54:38,040 INFO L78 Accepts]: Start accepts. Automaton has 768 states and 939 transitions. Word has length 63 [2019-10-13 22:54:38,040 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 22:54:38,040 INFO L462 AbstractCegarLoop]: Abstraction has 768 states and 939 transitions. [2019-10-13 22:54:38,040 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-13 22:54:38,040 INFO L276 IsEmpty]: Start isEmpty. Operand 768 states and 939 transitions. [2019-10-13 22:54:38,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2019-10-13 22:54:38,043 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 22:54:38,043 INFO L380 BasicCegarLoop]: trace histogram [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] [2019-10-13 22:54:38,043 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 22:54:38,043 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 22:54:38,044 INFO L82 PathProgramCache]: Analyzing trace with hash -1086414561, now seen corresponding path program 1 times [2019-10-13 22:54:38,044 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 22:54:38,044 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1061264160] [2019-10-13 22:54:38,044 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:54:38,045 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:54:38,045 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 22:54:38,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 22:54:38,242 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-10-13 22:54:38,243 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1061264160] [2019-10-13 22:54:38,243 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 22:54:38,243 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-13 22:54:38,243 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [606358794] [2019-10-13 22:54:38,244 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-13 22:54:38,244 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 22:54:38,244 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-13 22:54:38,244 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-13 22:54:38,245 INFO L87 Difference]: Start difference. First operand 768 states and 939 transitions. Second operand 5 states. [2019-10-13 22:54:38,368 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 22:54:38,369 INFO L93 Difference]: Finished difference Result 1287 states and 1570 transitions. [2019-10-13 22:54:38,369 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-13 22:54:38,369 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 64 [2019-10-13 22:54:38,371 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 22:54:38,376 INFO L225 Difference]: With dead ends: 1287 [2019-10-13 22:54:38,377 INFO L226 Difference]: Without dead ends: 800 [2019-10-13 22:54:38,380 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-10-13 22:54:38,381 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 800 states. [2019-10-13 22:54:38,428 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 800 to 776. [2019-10-13 22:54:38,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 776 states. [2019-10-13 22:54:38,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 776 states to 776 states and 943 transitions. [2019-10-13 22:54:38,437 INFO L78 Accepts]: Start accepts. Automaton has 776 states and 943 transitions. Word has length 64 [2019-10-13 22:54:38,441 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 22:54:38,442 INFO L462 AbstractCegarLoop]: Abstraction has 776 states and 943 transitions. [2019-10-13 22:54:38,442 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-13 22:54:38,442 INFO L276 IsEmpty]: Start isEmpty. Operand 776 states and 943 transitions. [2019-10-13 22:54:38,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2019-10-13 22:54:38,445 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 22:54:38,446 INFO L380 BasicCegarLoop]: trace histogram [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] [2019-10-13 22:54:38,446 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 22:54:38,446 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 22:54:38,446 INFO L82 PathProgramCache]: Analyzing trace with hash -2008858081, now seen corresponding path program 1 times [2019-10-13 22:54:38,446 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 22:54:38,450 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1218780670] [2019-10-13 22:54:38,450 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:54:38,450 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:54:38,450 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 22:54:38,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 22:54:38,613 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-10-13 22:54:38,614 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1218780670] [2019-10-13 22:54:38,614 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 22:54:38,614 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-13 22:54:38,614 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1234774417] [2019-10-13 22:54:38,615 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-13 22:54:38,616 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 22:54:38,616 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-13 22:54:38,616 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-13 22:54:38,616 INFO L87 Difference]: Start difference. First operand 776 states and 943 transitions. Second operand 5 states. [2019-10-13 22:54:38,740 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 22:54:38,741 INFO L93 Difference]: Finished difference Result 1305 states and 1578 transitions. [2019-10-13 22:54:38,741 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-13 22:54:38,742 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 65 [2019-10-13 22:54:38,742 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 22:54:38,747 INFO L225 Difference]: With dead ends: 1305 [2019-10-13 22:54:38,747 INFO L226 Difference]: Without dead ends: 808 [2019-10-13 22:54:38,749 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-10-13 22:54:38,751 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 808 states. [2019-10-13 22:54:38,789 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 808 to 784. [2019-10-13 22:54:38,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 784 states. [2019-10-13 22:54:38,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 784 states to 784 states and 947 transitions. [2019-10-13 22:54:38,794 INFO L78 Accepts]: Start accepts. Automaton has 784 states and 947 transitions. Word has length 65 [2019-10-13 22:54:38,795 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 22:54:38,795 INFO L462 AbstractCegarLoop]: Abstraction has 784 states and 947 transitions. [2019-10-13 22:54:38,795 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-13 22:54:38,795 INFO L276 IsEmpty]: Start isEmpty. Operand 784 states and 947 transitions. [2019-10-13 22:54:38,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2019-10-13 22:54:38,797 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 22:54:38,797 INFO L380 BasicCegarLoop]: trace histogram [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] [2019-10-13 22:54:38,797 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 22:54:38,798 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 22:54:38,798 INFO L82 PathProgramCache]: Analyzing trace with hash -1887646046, now seen corresponding path program 1 times [2019-10-13 22:54:38,798 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 22:54:38,798 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1625146491] [2019-10-13 22:54:38,798 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:54:38,799 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:54:38,799 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 22:54:38,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 22:54:38,892 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-10-13 22:54:38,892 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1625146491] [2019-10-13 22:54:38,893 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 22:54:38,893 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-13 22:54:38,894 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [512157325] [2019-10-13 22:54:38,894 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-13 22:54:38,894 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 22:54:38,895 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-13 22:54:38,896 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-13 22:54:38,896 INFO L87 Difference]: Start difference. First operand 784 states and 947 transitions. Second operand 5 states. [2019-10-13 22:54:39,007 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 22:54:39,007 INFO L93 Difference]: Finished difference Result 1233 states and 1483 transitions. [2019-10-13 22:54:39,007 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-13 22:54:39,008 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 66 [2019-10-13 22:54:39,008 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 22:54:39,013 INFO L225 Difference]: With dead ends: 1233 [2019-10-13 22:54:39,013 INFO L226 Difference]: Without dead ends: 726 [2019-10-13 22:54:39,017 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-10-13 22:54:39,018 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 726 states. [2019-10-13 22:54:39,052 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 726 to 708. [2019-10-13 22:54:39,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 708 states. [2019-10-13 22:54:39,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 708 states to 708 states and 852 transitions. [2019-10-13 22:54:39,056 INFO L78 Accepts]: Start accepts. Automaton has 708 states and 852 transitions. Word has length 66 [2019-10-13 22:54:39,057 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 22:54:39,057 INFO L462 AbstractCegarLoop]: Abstraction has 708 states and 852 transitions. [2019-10-13 22:54:39,057 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-13 22:54:39,057 INFO L276 IsEmpty]: Start isEmpty. Operand 708 states and 852 transitions. [2019-10-13 22:54:39,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2019-10-13 22:54:39,059 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 22:54:39,059 INFO L380 BasicCegarLoop]: trace histogram [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] [2019-10-13 22:54:39,059 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 22:54:39,060 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 22:54:39,060 INFO L82 PathProgramCache]: Analyzing trace with hash -2013370123, now seen corresponding path program 1 times [2019-10-13 22:54:39,060 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 22:54:39,060 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1187863973] [2019-10-13 22:54:39,060 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:54:39,060 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:54:39,061 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 22:54:39,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 22:54:39,262 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-10-13 22:54:39,263 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1187863973] [2019-10-13 22:54:39,263 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1180112378] [2019-10-13 22:54:39,263 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 [2019-10-13 22:54:39,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 22:54:39,694 INFO L256 TraceCheckSpWp]: Trace formula consists of 941 conjuncts, 3 conjunts are in the unsatisfiable core [2019-10-13 22:54:39,704 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-13 22:54:39,767 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2019-10-13 22:54:39,767 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-13 22:54:39,903 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-10-13 22:54:39,904 INFO L223 tionRefinementEngine]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2019-10-13 22:54:39,904 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [9] total 13 [2019-10-13 22:54:39,905 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [845713410] [2019-10-13 22:54:39,905 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-13 22:54:39,906 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 22:54:39,906 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-13 22:54:39,908 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2019-10-13 22:54:39,908 INFO L87 Difference]: Start difference. First operand 708 states and 852 transitions. Second operand 6 states. [2019-10-13 22:54:39,985 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 22:54:39,986 INFO L93 Difference]: Finished difference Result 1398 states and 1686 transitions. [2019-10-13 22:54:39,986 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-13 22:54:39,986 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 78 [2019-10-13 22:54:39,987 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 22:54:39,990 INFO L225 Difference]: With dead ends: 1398 [2019-10-13 22:54:39,994 INFO L226 Difference]: Without dead ends: 710 [2019-10-13 22:54:39,998 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 169 GetRequests, 156 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2019-10-13 22:54:39,999 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 710 states. [2019-10-13 22:54:40,042 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 710 to 710. [2019-10-13 22:54:40,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 710 states. [2019-10-13 22:54:40,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 710 states to 710 states and 854 transitions. [2019-10-13 22:54:40,046 INFO L78 Accepts]: Start accepts. Automaton has 710 states and 854 transitions. Word has length 78 [2019-10-13 22:54:40,046 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 22:54:40,046 INFO L462 AbstractCegarLoop]: Abstraction has 710 states and 854 transitions. [2019-10-13 22:54:40,046 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-13 22:54:40,047 INFO L276 IsEmpty]: Start isEmpty. Operand 710 states and 854 transitions. [2019-10-13 22:54:40,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2019-10-13 22:54:40,048 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 22:54:40,049 INFO L380 BasicCegarLoop]: trace histogram [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] [2019-10-13 22:54:40,255 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 22:54:40,256 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 22:54:40,256 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 22:54:40,256 INFO L82 PathProgramCache]: Analyzing trace with hash 109587541, now seen corresponding path program 1 times [2019-10-13 22:54:40,257 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 22:54:40,257 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [43651291] [2019-10-13 22:54:40,257 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:54:40,258 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:54:40,258 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 22:54:40,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 22:54:40,395 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2019-10-13 22:54:40,396 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [43651291] [2019-10-13 22:54:40,396 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [393339665] [2019-10-13 22:54:40,396 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 [2019-10-13 22:54:40,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 22:54:40,738 INFO L256 TraceCheckSpWp]: Trace formula consists of 953 conjuncts, 5 conjunts are in the unsatisfiable core [2019-10-13 22:54:40,743 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-13 22:54:40,823 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2019-10-13 22:54:40,824 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-13 22:54:41,025 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-10-13 22:54:41,025 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1855837232] [2019-10-13 22:54:41,056 INFO L162 IcfgInterpreter]: Started Sifa with 64 locations of interest [2019-10-13 22:54:41,056 INFO L169 IcfgInterpreter]: Building call graph [2019-10-13 22:54:41,063 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-13 22:54:41,071 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-13 22:54:41,072 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-13 22:54:41,969 WARN L191 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 426 [2019-10-13 22:54:42,568 WARN L191 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 418 [2019-10-13 22:54:42,771 WARN L191 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 418 [2019-10-13 22:54:43,045 WARN L191 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 516 [2019-10-13 22:54:43,272 WARN L191 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 516 [2019-10-13 22:54:43,435 WARN L191 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 516 [2019-10-13 22:54:43,617 WARN L191 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 516 [2019-10-13 22:54:43,965 WARN L191 SmtUtils]: Spent 335.00 ms on a formula simplification. DAG size of input: 518 DAG size of output: 516 [2019-10-13 22:54:44,162 WARN L191 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 516 [2019-10-13 22:54:44,344 WARN L191 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 516 [2019-10-13 22:54:44,463 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 516 [2019-10-13 22:54:44,568 WARN L191 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 516 [2019-10-13 22:54:44,717 WARN L191 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 516 [2019-10-13 22:54:44,731 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 193 for LOIs [2019-10-13 22:54:45,049 WARN L191 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 520 [2019-10-13 22:54:45,050 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 536 for LOIs [2019-10-13 22:54:45,159 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 536 [2019-10-13 22:54:45,280 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 536 [2019-10-13 22:54:45,474 WARN L191 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 586 [2019-10-13 22:54:45,635 WARN L191 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 546 [2019-10-13 22:54:45,739 WARN L191 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 546 [2019-10-13 22:54:45,932 WARN L191 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 598 [2019-10-13 22:54:47,059 WARN L191 SmtUtils]: Spent 771.00 ms on a formula simplification that was a NOOP. DAG size: 323 [2019-10-13 22:54:47,321 WARN L191 SmtUtils]: Spent 248.00 ms on a formula simplification that was a NOOP. DAG size: 794 [2019-10-13 22:54:47,746 WARN L191 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 791 [2019-10-13 22:54:47,866 WARN L191 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 544 [2019-10-13 22:54:47,981 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 544 [2019-10-13 22:54:48,158 WARN L191 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 598 [2019-10-13 22:54:49,333 WARN L191 SmtUtils]: Spent 795.00 ms on a formula simplification that was a NOOP. DAG size: 323 [2019-10-13 22:54:49,687 WARN L191 SmtUtils]: Spent 340.00 ms on a formula simplification that was a NOOP. DAG size: 744 [2019-10-13 22:54:50,170 WARN L191 SmtUtils]: Spent 186.00 ms on a formula simplification that was a NOOP. DAG size: 741 [2019-10-13 22:54:50,412 WARN L191 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 600 DAG size of output: 544 [2019-10-13 22:54:50,554 WARN L191 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 544 [2019-10-13 22:54:50,744 WARN L191 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 598 [2019-10-13 22:54:50,881 WARN L191 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 544 [2019-10-13 22:54:50,997 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 544 [2019-10-13 22:54:51,166 WARN L191 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 598 [2019-10-13 22:54:51,268 WARN L191 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 544 [2019-10-13 22:54:51,422 WARN L191 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 544 [2019-10-13 22:54:51,595 WARN L191 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 598 [2019-10-13 22:54:51,698 WARN L191 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 544 [2019-10-13 22:54:51,803 WARN L191 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 544 [2019-10-13 22:54:51,981 WARN L191 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 598 [2019-10-13 22:54:52,407 WARN L191 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 598 [2019-10-13 22:54:52,777 WARN L191 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 598 [2019-10-13 22:54:52,978 WARN L191 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 544 [2019-10-13 22:54:53,150 WARN L191 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 598 [2019-10-13 22:54:53,298 WARN L191 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 544 [2019-10-13 22:54:53,567 WARN L191 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 598 [2019-10-13 22:54:53,935 WARN L191 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 598 [2019-10-13 22:54:54,333 WARN L191 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 598 [2019-10-13 22:54:54,710 WARN L191 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 598 [2019-10-13 22:54:54,911 WARN L191 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 544 [2019-10-13 22:54:55,081 WARN L191 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 598 [2019-10-13 22:54:55,241 WARN L191 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 605 [2019-10-13 22:54:55,445 WARN L191 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 605 [2019-10-13 22:54:55,625 WARN L191 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 609 [2019-10-13 22:54:56,683 WARN L191 SmtUtils]: Spent 781.00 ms on a formula simplification that was a NOOP. DAG size: 323 [2019-10-13 22:54:56,848 WARN L191 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 637 [2019-10-13 22:54:57,194 WARN L191 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 632 [2019-10-13 22:54:57,387 WARN L191 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 627 [2019-10-13 22:54:57,541 WARN L191 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 605 [2019-10-13 22:54:57,718 WARN L191 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 605 [2019-10-13 22:54:57,902 WARN L191 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 609 [2019-10-13 22:54:58,906 WARN L191 SmtUtils]: Spent 757.00 ms on a formula simplification that was a NOOP. DAG size: 323 [2019-10-13 22:54:59,111 WARN L191 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 637 [2019-10-13 22:54:59,434 WARN L191 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 632 [2019-10-13 22:54:59,829 WARN L191 SmtUtils]: Spent 342.00 ms on a formula simplification that was a NOOP. DAG size: 627 [2019-10-13 22:55:00,543 WARN L191 SmtUtils]: Spent 703.00 ms on a formula simplification. DAG size of input: 611 DAG size of output: 605 [2019-10-13 22:55:00,775 WARN L191 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 605 [2019-10-13 22:55:01,176 WARN L191 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 609 [2019-10-13 22:55:01,350 WARN L191 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 605 [2019-10-13 22:55:01,503 WARN L191 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 605 [2019-10-13 22:55:01,683 WARN L191 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 609 [2019-10-13 22:55:02,716 WARN L191 SmtUtils]: Spent 754.00 ms on a formula simplification that was a NOOP. DAG size: 323 [2019-10-13 22:55:02,941 WARN L191 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 650 [2019-10-13 22:55:03,290 WARN L191 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 645 [2019-10-13 22:55:03,489 WARN L191 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 640