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 0.1.24-13a467a-m [2019-10-15 02:57:10,196 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-15 02:57:10,198 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-15 02:57:10,217 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-15 02:57:10,218 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-15 02:57:10,219 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-15 02:57:10,221 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-15 02:57:10,231 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-15 02:57:10,234 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-15 02:57:10,235 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-15 02:57:10,236 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-15 02:57:10,237 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-15 02:57:10,237 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-15 02:57:10,238 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-15 02:57:10,239 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-15 02:57:10,240 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-15 02:57:10,241 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-15 02:57:10,242 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-15 02:57:10,243 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-15 02:57:10,245 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-15 02:57:10,247 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-15 02:57:10,248 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-15 02:57:10,250 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-15 02:57:10,250 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-15 02:57:10,252 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-15 02:57:10,253 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-15 02:57:10,253 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-15 02:57:10,254 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-15 02:57:10,254 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-15 02:57:10,255 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-15 02:57:10,255 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-15 02:57:10,256 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-15 02:57:10,257 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-15 02:57:10,258 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-15 02:57:10,259 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-15 02:57:10,259 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-15 02:57:10,259 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-15 02:57:10,260 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-15 02:57:10,260 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-15 02:57:10,261 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-15 02:57:10,261 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-15 02:57:10,262 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 [2019-10-15 02:57:10,276 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-15 02:57:10,276 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-15 02:57:10,278 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-15 02:57:10,278 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-15 02:57:10,278 INFO L138 SettingsManager]: * Use SBE=true [2019-10-15 02:57:10,278 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-15 02:57:10,278 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-15 02:57:10,279 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-15 02:57:10,279 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-15 02:57:10,279 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-15 02:57:10,279 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-15 02:57:10,280 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-15 02:57:10,280 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-15 02:57:10,280 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-15 02:57:10,280 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-15 02:57:10,280 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-15 02:57:10,281 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-15 02:57:10,281 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-15 02:57:10,281 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-15 02:57:10,281 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-15 02:57:10,281 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-15 02:57:10,282 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 02:57:10,282 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-15 02:57:10,282 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-15 02:57:10,282 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-15 02:57:10,283 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-15 02:57:10,283 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-15 02:57:10,283 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-15 02:57:10,283 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 [2019-10-15 02:57:10,568 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-15 02:57:10,582 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-15 02:57:10,585 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-15 02:57:10,587 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-15 02:57:10,587 INFO L275 PluginConnector]: CDTParser initialized [2019-10-15 02:57:10,588 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-validator-v0.6/linux-stable-9ec4f65-1-110_1a-drivers--rtc--rtc-tegra.ko-entry_point.cil.out.i [2019-10-15 02:57:10,650 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f0133533a/7cbd0713174e4e09974574b025d38fe3/FLAG4864d967c [2019-10-15 02:57:11,358 INFO L306 CDTParser]: Found 1 translation units. [2019-10-15 02:57:11,359 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-validator-v0.6/linux-stable-9ec4f65-1-110_1a-drivers--rtc--rtc-tegra.ko-entry_point.cil.out.i [2019-10-15 02:57:11,389 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f0133533a/7cbd0713174e4e09974574b025d38fe3/FLAG4864d967c [2019-10-15 02:57:11,514 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f0133533a/7cbd0713174e4e09974574b025d38fe3 [2019-10-15 02:57:11,525 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-15 02:57:11,527 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-15 02:57:11,528 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-15 02:57:11,528 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-15 02:57:11,532 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-15 02:57:11,533 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 02:57:11" (1/1) ... [2019-10-15 02:57:11,536 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@72a19ae3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:57:11, skipping insertion in model container [2019-10-15 02:57:11,536 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 02:57:11" (1/1) ... [2019-10-15 02:57:11,544 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-15 02:57:11,638 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-15 02:57:12,771 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 02:57:12,814 INFO L188 MainTranslator]: Completed pre-run [2019-10-15 02:57:13,033 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 02:57:13,139 INFO L192 MainTranslator]: Completed translation [2019-10-15 02:57:13,139 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:57:13 WrapperNode [2019-10-15 02:57:13,140 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-15 02:57:13,141 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-15 02:57:13,141 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-15 02:57:13,141 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-15 02:57:13,157 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:57:13" (1/1) ... [2019-10-15 02:57:13,157 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:57:13" (1/1) ... [2019-10-15 02:57:13,232 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:57:13" (1/1) ... [2019-10-15 02:57:13,233 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:57:13" (1/1) ... [2019-10-15 02:57:13,324 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:57:13" (1/1) ... [2019-10-15 02:57:13,334 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:57:13" (1/1) ... [2019-10-15 02:57:13,348 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:57:13" (1/1) ... [2019-10-15 02:57:13,369 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-15 02:57:13,370 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-15 02:57:13,370 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-15 02:57:13,370 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-15 02:57:13,372 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:57:13" (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 [2019-10-15 02:57:13,433 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-15 02:57:13,433 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-15 02:57:13,433 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~~TO~VOID [2019-10-15 02:57:13,434 INFO L138 BoogieDeclarations]: Found implementation of procedure outer_sync [2019-10-15 02:57:13,434 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_9 [2019-10-15 02:57:13,434 INFO L138 BoogieDeclarations]: Found implementation of procedure kobject_name [2019-10-15 02:57:13,434 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-10-15 02:57:13,434 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-10-15 02:57:13,435 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2019-10-15 02:57:13,435 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ptr [2019-10-15 02:57:13,435 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2019-10-15 02:57:13,435 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2019-10-15 02:57:13,435 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2019-10-15 02:57:13,435 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2019-10-15 02:57:13,436 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2019-10-15 02:57:13,436 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2019-10-15 02:57:13,436 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_irq_wake [2019-10-15 02:57:13,436 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_irq_wake [2019-10-15 02:57:13,437 INFO L138 BoogieDeclarations]: Found implementation of procedure resource_size [2019-10-15 02:57:13,437 INFO L138 BoogieDeclarations]: Found implementation of procedure device_may_wakeup [2019-10-15 02:57:13,437 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2019-10-15 02:57:13,437 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_drvdata [2019-10-15 02:57:13,437 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_set_drvdata [2019-10-15 02:57:13,438 INFO L138 BoogieDeclarations]: Found implementation of procedure tegra_rtc_check_busy [2019-10-15 02:57:13,438 INFO L138 BoogieDeclarations]: Found implementation of procedure tegra_rtc_wait_while_busy [2019-10-15 02:57:13,438 INFO L138 BoogieDeclarations]: Found implementation of procedure tegra_rtc_read_time [2019-10-15 02:57:13,438 INFO L138 BoogieDeclarations]: Found implementation of procedure tegra_rtc_set_time [2019-10-15 02:57:13,438 INFO L138 BoogieDeclarations]: Found implementation of procedure tegra_rtc_read_alarm [2019-10-15 02:57:13,438 INFO L138 BoogieDeclarations]: Found implementation of procedure tegra_rtc_alarm_irq_enable [2019-10-15 02:57:13,439 INFO L138 BoogieDeclarations]: Found implementation of procedure tegra_rtc_set_alarm [2019-10-15 02:57:13,439 INFO L138 BoogieDeclarations]: Found implementation of procedure tegra_rtc_proc [2019-10-15 02:57:13,439 INFO L138 BoogieDeclarations]: Found implementation of procedure tegra_rtc_irq_handler [2019-10-15 02:57:13,439 INFO L138 BoogieDeclarations]: Found implementation of procedure tegra_rtc_probe [2019-10-15 02:57:13,439 INFO L138 BoogieDeclarations]: Found implementation of procedure tegra_rtc_remove [2019-10-15 02:57:13,439 INFO L138 BoogieDeclarations]: Found implementation of procedure tegra_rtc_suspend [2019-10-15 02:57:13,440 INFO L138 BoogieDeclarations]: Found implementation of procedure tegra_rtc_resume [2019-10-15 02:57:13,440 INFO L138 BoogieDeclarations]: Found implementation of procedure tegra_rtc_shutdown [2019-10-15 02:57:13,440 INFO L138 BoogieDeclarations]: Found implementation of procedure tegra_rtc_init [2019-10-15 02:57:13,440 INFO L138 BoogieDeclarations]: Found implementation of procedure tegra_rtc_exit [2019-10-15 02:57:13,440 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2019-10-15 02:57:13,441 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_irq_1 [2019-10-15 02:57:13,441 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_check_1 [2019-10-15 02:57:13,441 INFO L138 BoogieDeclarations]: Found implementation of procedure choose_interrupt_1 [2019-10-15 02:57:13,441 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_rtc_class_ops_3 [2019-10-15 02:57:13,441 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_platform_driver_2 [2019-10-15 02:57:13,441 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_irq_1 [2019-10-15 02:57:13,441 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-15 02:57:13,442 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2019-10-15 02:57:13,442 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2019-10-15 02:57:13,442 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2019-10-15 02:57:13,442 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kzalloc_22 [2019-10-15 02:57:13,442 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_rtc_device_register_23 [2019-10-15 02:57:13,442 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq_24 [2019-10-15 02:57:13,443 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_rtc_device_unregister_25 [2019-10-15 02:57:13,443 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq_26 [2019-10-15 02:57:13,443 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_rtc_device_unregister_27 [2019-10-15 02:57:13,443 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2019-10-15 02:57:13,443 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2019-10-15 02:57:13,443 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2019-10-15 02:57:13,444 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2019-10-15 02:57:13,444 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_init [2019-10-15 02:57:13,444 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_check [2019-10-15 02:57:13,444 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2019-10-15 02:57:13,444 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2019-10-15 02:57:13,444 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_region [2019-10-15 02:57:13,445 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irqrestore [2019-10-15 02:57:13,445 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2019-10-15 02:57:13,445 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2019-10-15 02:57:13,445 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_notice [2019-10-15 02:57:13,445 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2019-10-15 02:57:13,445 INFO L138 BoogieDeclarations]: Found implementation of procedure device_init_wakeup [2019-10-15 02:57:13,446 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2019-10-15 02:57:13,446 INFO L138 BoogieDeclarations]: Found implementation of procedure irq_set_irq_wake [2019-10-15 02:57:13,446 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-10-15 02:57:13,446 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-10-15 02:57:13,446 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_probe_2 [2019-10-15 02:57:13,446 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_probe_3 [2019-10-15 02:57:13,447 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_3 [2019-10-15 02:57:13,447 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_driver_probe [2019-10-15 02:57:13,447 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_driver_unregister [2019-10-15 02:57:13,447 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_irq [2019-10-15 02:57:13,447 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_resource [2019-10-15 02:57:13,447 INFO L138 BoogieDeclarations]: Found implementation of procedure request_threaded_irq [2019-10-15 02:57:13,447 INFO L138 BoogieDeclarations]: Found implementation of procedure rtc_device_register [2019-10-15 02:57:13,448 INFO L138 BoogieDeclarations]: Found implementation of procedure rtc_device_unregister [2019-10-15 02:57:13,448 INFO L138 BoogieDeclarations]: Found implementation of procedure rtc_time_to_tm [2019-10-15 02:57:13,448 INFO L138 BoogieDeclarations]: Found implementation of procedure rtc_tm_to_time [2019-10-15 02:57:13,448 INFO L138 BoogieDeclarations]: Found implementation of procedure rtc_update_irq [2019-10-15 02:57:13,448 INFO L138 BoogieDeclarations]: Found implementation of procedure rtc_valid_tm [2019-10-15 02:57:13,448 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_printf [2019-10-15 02:57:13,448 INFO L138 BoogieDeclarations]: Found implementation of procedure tegra_ioremap [2019-10-15 02:57:13,449 INFO L138 BoogieDeclarations]: Found implementation of procedure tegra_iounmap [2019-10-15 02:57:13,449 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-10-15 02:57:13,449 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-10-15 02:57:13,449 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-10-15 02:57:13,449 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-10-15 02:57:13,449 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-15 02:57:13,450 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2019-10-15 02:57:13,450 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2019-10-15 02:57:13,450 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2019-10-15 02:57:13,450 INFO L130 BoogieDeclarations]: Found specification of procedure outer_sync [2019-10-15 02:57:13,450 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~~TO~VOID [2019-10-15 02:57:13,450 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-15 02:57:13,451 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-10-15 02:57:13,451 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-10-15 02:57:13,451 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-10-15 02:57:13,451 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore [2019-10-15 02:57:13,451 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_9 [2019-10-15 02:57:13,451 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2019-10-15 02:57:13,452 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_check [2019-10-15 02:57:13,452 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-10-15 02:57:13,452 INFO L130 BoogieDeclarations]: Found specification of procedure kobject_name [2019-10-15 02:57:13,452 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kzalloc_22 [2019-10-15 02:57:13,452 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-15 02:57:13,453 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-10-15 02:57:13,453 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-15 02:57:13,453 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2019-10-15 02:57:13,453 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-10-15 02:57:13,453 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-10-15 02:57:13,453 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-10-15 02:57:13,454 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-15 02:57:13,454 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-10-15 02:57:13,454 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2019-10-15 02:57:13,454 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ptr [2019-10-15 02:57:13,454 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2019-10-15 02:57:13,455 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2019-10-15 02:57:13,455 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2019-10-15 02:57:13,455 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2019-10-15 02:57:13,455 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2019-10-15 02:57:13,455 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_irq_1 [2019-10-15 02:57:13,455 INFO L130 BoogieDeclarations]: Found specification of procedure reg_check_1 [2019-10-15 02:57:13,456 INFO L130 BoogieDeclarations]: Found specification of procedure choose_interrupt_1 [2019-10-15 02:57:13,456 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_rtc_class_ops_3 [2019-10-15 02:57:13,456 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_platform_driver_2 [2019-10-15 02:57:13,456 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_irq_1 [2019-10-15 02:57:13,456 INFO L130 BoogieDeclarations]: Found specification of procedure tegra_ioremap [2019-10-15 02:57:13,457 INFO L130 BoogieDeclarations]: Found specification of procedure tegra_iounmap [2019-10-15 02:57:13,457 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2019-10-15 02:57:13,457 INFO L130 BoogieDeclarations]: Found specification of procedure request_threaded_irq [2019-10-15 02:57:13,457 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2019-10-15 02:57:13,457 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq_24 [2019-10-15 02:57:13,457 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2019-10-15 02:57:13,458 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq_26 [2019-10-15 02:57:13,458 INFO L130 BoogieDeclarations]: Found specification of procedure irq_set_irq_wake [2019-10-15 02:57:13,458 INFO L130 BoogieDeclarations]: Found specification of procedure enable_irq_wake [2019-10-15 02:57:13,458 INFO L130 BoogieDeclarations]: Found specification of procedure disable_irq_wake [2019-10-15 02:57:13,459 INFO L130 BoogieDeclarations]: Found specification of procedure rtc_valid_tm [2019-10-15 02:57:13,459 INFO L130 BoogieDeclarations]: Found specification of procedure rtc_tm_to_time [2019-10-15 02:57:13,459 INFO L130 BoogieDeclarations]: Found specification of procedure rtc_time_to_tm [2019-10-15 02:57:13,459 INFO L130 BoogieDeclarations]: Found specification of procedure resource_size [2019-10-15 02:57:13,459 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-15 02:57:13,460 INFO L130 BoogieDeclarations]: Found specification of procedure __request_region [2019-10-15 02:57:13,460 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2019-10-15 02:57:13,460 INFO L130 BoogieDeclarations]: Found specification of procedure device_may_wakeup [2019-10-15 02:57:13,460 INFO L130 BoogieDeclarations]: Found specification of procedure device_init_wakeup [2019-10-15 02:57:13,460 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2019-10-15 02:57:13,460 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2019-10-15 02:57:13,461 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2019-10-15 02:57:13,461 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2019-10-15 02:57:13,461 INFO L130 BoogieDeclarations]: Found specification of procedure dev_notice [2019-10-15 02:57:13,461 INFO L130 BoogieDeclarations]: Found specification of procedure seq_printf [2019-10-15 02:57:13,461 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2019-10-15 02:57:13,461 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2019-10-15 02:57:13,462 INFO L130 BoogieDeclarations]: Found specification of procedure rtc_device_register [2019-10-15 02:57:13,462 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_rtc_device_register_23 [2019-10-15 02:57:13,462 INFO L130 BoogieDeclarations]: Found specification of procedure rtc_device_unregister [2019-10-15 02:57:13,462 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_rtc_device_unregister_25 [2019-10-15 02:57:13,462 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_rtc_device_unregister_27 [2019-10-15 02:57:13,462 INFO L130 BoogieDeclarations]: Found specification of procedure rtc_update_irq [2019-10-15 02:57:13,463 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_resource [2019-10-15 02:57:13,463 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_irq [2019-10-15 02:57:13,463 INFO L130 BoogieDeclarations]: Found specification of procedure platform_driver_unregister [2019-10-15 02:57:13,463 INFO L130 BoogieDeclarations]: Found specification of procedure platform_driver_probe [2019-10-15 02:57:13,463 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_drvdata [2019-10-15 02:57:13,464 INFO L130 BoogieDeclarations]: Found specification of procedure platform_set_drvdata [2019-10-15 02:57:13,464 INFO L130 BoogieDeclarations]: Found specification of procedure tegra_rtc_check_busy [2019-10-15 02:57:13,464 INFO L130 BoogieDeclarations]: Found specification of procedure tegra_rtc_wait_while_busy [2019-10-15 02:57:13,464 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-15 02:57:13,464 INFO L130 BoogieDeclarations]: Found specification of procedure tegra_rtc_read_time [2019-10-15 02:57:13,464 INFO L130 BoogieDeclarations]: Found specification of procedure tegra_rtc_set_time [2019-10-15 02:57:13,465 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-15 02:57:13,465 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-15 02:57:13,465 INFO L130 BoogieDeclarations]: Found specification of procedure tegra_rtc_read_alarm [2019-10-15 02:57:13,465 INFO L130 BoogieDeclarations]: Found specification of procedure tegra_rtc_alarm_irq_enable [2019-10-15 02:57:13,465 INFO L130 BoogieDeclarations]: Found specification of procedure tegra_rtc_set_alarm [2019-10-15 02:57:13,466 INFO L130 BoogieDeclarations]: Found specification of procedure tegra_rtc_proc [2019-10-15 02:57:13,466 INFO L130 BoogieDeclarations]: Found specification of procedure tegra_rtc_irq_handler [2019-10-15 02:57:13,466 INFO L130 BoogieDeclarations]: Found specification of procedure tegra_rtc_probe [2019-10-15 02:57:13,466 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-15 02:57:13,466 INFO L130 BoogieDeclarations]: Found specification of procedure tegra_rtc_remove [2019-10-15 02:57:13,467 INFO L130 BoogieDeclarations]: Found specification of procedure tegra_rtc_suspend [2019-10-15 02:57:13,467 INFO L130 BoogieDeclarations]: Found specification of procedure tegra_rtc_resume [2019-10-15 02:57:13,467 INFO L130 BoogieDeclarations]: Found specification of procedure tegra_rtc_shutdown [2019-10-15 02:57:13,467 INFO L130 BoogieDeclarations]: Found specification of procedure tegra_rtc_init [2019-10-15 02:57:13,467 INFO L130 BoogieDeclarations]: Found specification of procedure tegra_rtc_exit [2019-10-15 02:57:13,468 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-10-15 02:57:13,468 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-10-15 02:57:13,468 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_probe_2 [2019-10-15 02:57:13,468 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_probe_3 [2019-10-15 02:57:13,468 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_3 [2019-10-15 02:57:13,468 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-15 02:57:13,469 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-10-15 02:57:13,469 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2019-10-15 02:57:13,469 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2019-10-15 02:57:13,469 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_init [2019-10-15 02:57:13,469 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-10-15 02:57:13,470 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-15 02:57:13,470 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-15 02:57:13,470 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-10-15 02:57:13,470 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-15 02:57:13,470 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-15 02:57:14,143 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2019-10-15 02:57:19,273 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-15 02:57:19,274 INFO L284 CfgBuilder]: Removed 0 assume(true) statements. [2019-10-15 02:57:19,276 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 02:57:19 BoogieIcfgContainer [2019-10-15 02:57:19,276 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-15 02:57:19,277 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-15 02:57:19,277 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-15 02:57:19,280 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-15 02:57:19,281 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 02:57:11" (1/3) ... [2019-10-15 02:57:19,282 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13f477a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 02:57:19, skipping insertion in model container [2019-10-15 02:57:19,282 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:57:13" (2/3) ... [2019-10-15 02:57:19,282 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13f477a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 02:57:19, skipping insertion in model container [2019-10-15 02:57:19,282 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 02:57:19" (3/3) ... [2019-10-15 02:57:19,284 INFO L109 eAbstractionObserver]: Analyzing ICFG linux-stable-9ec4f65-1-110_1a-drivers--rtc--rtc-tegra.ko-entry_point.cil.out.i [2019-10-15 02:57:19,295 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-15 02:57:19,305 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-15 02:57:19,316 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-15 02:57:19,348 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-15 02:57:19,348 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-15 02:57:19,348 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-15 02:57:19,349 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-15 02:57:19,349 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-15 02:57:19,349 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-15 02:57:19,349 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-15 02:57:19,349 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-15 02:57:19,381 INFO L276 IsEmpty]: Start isEmpty. Operand 545 states. [2019-10-15 02:57:19,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2019-10-15 02:57:19,406 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 02:57:19,408 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] [2019-10-15 02:57:19,411 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 02:57:19,418 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 02:57:19,419 INFO L82 PathProgramCache]: Analyzing trace with hash -464148251, now seen corresponding path program 1 times [2019-10-15 02:57:19,429 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 02:57:19,429 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [955286204] [2019-10-15 02:57:19,430 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 02:57:19,430 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 02:57:19,430 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 02:57:19,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 02:57:19,869 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 02:57:19,869 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [955286204] [2019-10-15 02:57:19,870 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 02:57:19,871 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 02:57:19,871 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1270336979] [2019-10-15 02:57:19,876 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 02:57:19,876 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 02:57:19,890 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 02:57:19,891 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 02:57:19,893 INFO L87 Difference]: Start difference. First operand 545 states. Second operand 3 states. [2019-10-15 02:57:19,992 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 02:57:19,992 INFO L93 Difference]: Finished difference Result 715 states and 912 transitions. [2019-10-15 02:57:19,993 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 02:57:19,994 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 43 [2019-10-15 02:57:19,995 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 02:57:20,013 INFO L225 Difference]: With dead ends: 715 [2019-10-15 02:57:20,014 INFO L226 Difference]: Without dead ends: 284 [2019-10-15 02:57:20,022 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 [2019-10-15 02:57:20,048 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 284 states. [2019-10-15 02:57:20,102 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 284 to 284. [2019-10-15 02:57:20,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 284 states. [2019-10-15 02:57:20,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 284 states and 344 transitions. [2019-10-15 02:57:20,109 INFO L78 Accepts]: Start accepts. Automaton has 284 states and 344 transitions. Word has length 43 [2019-10-15 02:57:20,112 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 02:57:20,112 INFO L462 AbstractCegarLoop]: Abstraction has 284 states and 344 transitions. [2019-10-15 02:57:20,112 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 02:57:20,112 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states and 344 transitions. [2019-10-15 02:57:20,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2019-10-15 02:57:20,121 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 02:57:20,121 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] [2019-10-15 02:57:20,122 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 02:57:20,122 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 02:57:20,122 INFO L82 PathProgramCache]: Analyzing trace with hash -817722709, now seen corresponding path program 1 times [2019-10-15 02:57:20,122 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 02:57:20,123 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1405578510] [2019-10-15 02:57:20,123 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 02:57:20,123 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 02:57:20,125 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 02:57:20,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 02:57:20,235 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-10-15 02:57:20,236 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1405578510] [2019-10-15 02:57:20,237 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 02:57:20,237 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 02:57:20,237 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1788076114] [2019-10-15 02:57:20,240 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 02:57:20,240 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 02:57:20,241 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 02:57:20,241 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 02:57:20,241 INFO L87 Difference]: Start difference. First operand 284 states and 344 transitions. Second operand 3 states. [2019-10-15 02:57:20,365 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 02:57:20,365 INFO L93 Difference]: Finished difference Result 668 states and 812 transitions. [2019-10-15 02:57:20,366 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 02:57:20,366 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 61 [2019-10-15 02:57:20,366 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 02:57:20,375 INFO L225 Difference]: With dead ends: 668 [2019-10-15 02:57:20,375 INFO L226 Difference]: Without dead ends: 399 [2019-10-15 02:57:20,377 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 [2019-10-15 02:57:20,379 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 399 states. [2019-10-15 02:57:20,437 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 399 to 396. [2019-10-15 02:57:20,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 396 states. [2019-10-15 02:57:20,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 396 states to 396 states and 482 transitions. [2019-10-15 02:57:20,442 INFO L78 Accepts]: Start accepts. Automaton has 396 states and 482 transitions. Word has length 61 [2019-10-15 02:57:20,442 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 02:57:20,442 INFO L462 AbstractCegarLoop]: Abstraction has 396 states and 482 transitions. [2019-10-15 02:57:20,443 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 02:57:20,443 INFO L276 IsEmpty]: Start isEmpty. Operand 396 states and 482 transitions. [2019-10-15 02:57:20,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2019-10-15 02:57:20,446 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 02:57:20,447 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] [2019-10-15 02:57:20,448 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 02:57:20,448 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 02:57:20,448 INFO L82 PathProgramCache]: Analyzing trace with hash 700979260, now seen corresponding path program 1 times [2019-10-15 02:57:20,449 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 02:57:20,449 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1445107323] [2019-10-15 02:57:20,449 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 02:57:20,449 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 02:57:20,449 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 02:57:20,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 02:57:20,673 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-10-15 02:57:20,673 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1445107323] [2019-10-15 02:57:20,674 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 02:57:20,674 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-15 02:57:20,674 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [57680699] [2019-10-15 02:57:20,676 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-15 02:57:20,677 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 02:57:20,677 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-15 02:57:20,677 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-15 02:57:20,677 INFO L87 Difference]: Start difference. First operand 396 states and 482 transitions. Second operand 5 states. [2019-10-15 02:57:20,833 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 02:57:20,834 INFO L93 Difference]: Finished difference Result 1164 states and 1434 transitions. [2019-10-15 02:57:20,834 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-15 02:57:20,834 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 63 [2019-10-15 02:57:20,835 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 02:57:20,841 INFO L225 Difference]: With dead ends: 1164 [2019-10-15 02:57:20,841 INFO L226 Difference]: Without dead ends: 791 [2019-10-15 02:57:20,843 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 [2019-10-15 02:57:20,845 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 791 states. [2019-10-15 02:57:20,909 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 791 to 768. [2019-10-15 02:57:20,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 768 states. [2019-10-15 02:57:20,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 768 states to 768 states and 939 transitions. [2019-10-15 02:57:20,919 INFO L78 Accepts]: Start accepts. Automaton has 768 states and 939 transitions. Word has length 63 [2019-10-15 02:57:20,920 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 02:57:20,920 INFO L462 AbstractCegarLoop]: Abstraction has 768 states and 939 transitions. [2019-10-15 02:57:20,920 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-15 02:57:20,920 INFO L276 IsEmpty]: Start isEmpty. Operand 768 states and 939 transitions. [2019-10-15 02:57:20,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2019-10-15 02:57:20,925 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 02:57:20,925 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] [2019-10-15 02:57:20,925 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 02:57:20,926 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 02:57:20,926 INFO L82 PathProgramCache]: Analyzing trace with hash -1086414561, now seen corresponding path program 1 times [2019-10-15 02:57:20,926 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 02:57:20,926 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2128790476] [2019-10-15 02:57:20,927 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 02:57:20,927 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 02:57:20,927 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 02:57:20,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 02:57:21,054 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-10-15 02:57:21,107 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2128790476] [2019-10-15 02:57:21,108 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 02:57:21,108 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-15 02:57:21,108 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [135655103] [2019-10-15 02:57:21,109 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-15 02:57:21,109 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 02:57:21,112 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-15 02:57:21,112 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-15 02:57:21,113 INFO L87 Difference]: Start difference. First operand 768 states and 939 transitions. Second operand 5 states. [2019-10-15 02:57:21,268 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 02:57:21,269 INFO L93 Difference]: Finished difference Result 1287 states and 1570 transitions. [2019-10-15 02:57:21,269 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-15 02:57:21,270 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 64 [2019-10-15 02:57:21,271 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 02:57:21,279 INFO L225 Difference]: With dead ends: 1287 [2019-10-15 02:57:21,279 INFO L226 Difference]: Without dead ends: 800 [2019-10-15 02:57:21,282 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 [2019-10-15 02:57:21,284 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 800 states. [2019-10-15 02:57:21,337 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 800 to 776. [2019-10-15 02:57:21,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 776 states. [2019-10-15 02:57:21,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 776 states to 776 states and 943 transitions. [2019-10-15 02:57:21,345 INFO L78 Accepts]: Start accepts. Automaton has 776 states and 943 transitions. Word has length 64 [2019-10-15 02:57:21,346 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 02:57:21,348 INFO L462 AbstractCegarLoop]: Abstraction has 776 states and 943 transitions. [2019-10-15 02:57:21,349 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-15 02:57:21,349 INFO L276 IsEmpty]: Start isEmpty. Operand 776 states and 943 transitions. [2019-10-15 02:57:21,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2019-10-15 02:57:21,352 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 02:57:21,353 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] [2019-10-15 02:57:21,353 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 02:57:21,353 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 02:57:21,353 INFO L82 PathProgramCache]: Analyzing trace with hash -2008858081, now seen corresponding path program 1 times [2019-10-15 02:57:21,354 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 02:57:21,357 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1958803494] [2019-10-15 02:57:21,357 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 02:57:21,357 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 02:57:21,358 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 02:57:21,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 02:57:21,534 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-10-15 02:57:21,534 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1958803494] [2019-10-15 02:57:21,535 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 02:57:21,535 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-15 02:57:21,535 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [387769455] [2019-10-15 02:57:21,536 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-15 02:57:21,536 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 02:57:21,536 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-15 02:57:21,537 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-15 02:57:21,537 INFO L87 Difference]: Start difference. First operand 776 states and 943 transitions. Second operand 5 states. [2019-10-15 02:57:21,629 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 02:57:21,629 INFO L93 Difference]: Finished difference Result 1305 states and 1578 transitions. [2019-10-15 02:57:21,630 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-15 02:57:21,630 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 65 [2019-10-15 02:57:21,630 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 02:57:21,635 INFO L225 Difference]: With dead ends: 1305 [2019-10-15 02:57:21,635 INFO L226 Difference]: Without dead ends: 808 [2019-10-15 02:57:21,637 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 [2019-10-15 02:57:21,638 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 808 states. [2019-10-15 02:57:21,674 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 808 to 784. [2019-10-15 02:57:21,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 784 states. [2019-10-15 02:57:21,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 784 states to 784 states and 947 transitions. [2019-10-15 02:57:21,679 INFO L78 Accepts]: Start accepts. Automaton has 784 states and 947 transitions. Word has length 65 [2019-10-15 02:57:21,679 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 02:57:21,679 INFO L462 AbstractCegarLoop]: Abstraction has 784 states and 947 transitions. [2019-10-15 02:57:21,679 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-15 02:57:21,679 INFO L276 IsEmpty]: Start isEmpty. Operand 784 states and 947 transitions. [2019-10-15 02:57:21,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2019-10-15 02:57:21,681 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 02:57:21,681 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] [2019-10-15 02:57:21,681 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 02:57:21,682 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 02:57:21,682 INFO L82 PathProgramCache]: Analyzing trace with hash -1887646046, now seen corresponding path program 1 times [2019-10-15 02:57:21,682 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 02:57:21,682 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [468204553] [2019-10-15 02:57:21,682 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 02:57:21,683 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 02:57:21,683 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 02:57:21,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 02:57:21,769 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-10-15 02:57:21,770 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [468204553] [2019-10-15 02:57:21,770 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 02:57:21,770 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-15 02:57:21,770 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [560715689] [2019-10-15 02:57:21,771 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-15 02:57:21,771 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 02:57:21,771 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-15 02:57:21,771 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-15 02:57:21,772 INFO L87 Difference]: Start difference. First operand 784 states and 947 transitions. Second operand 5 states. [2019-10-15 02:57:21,883 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 02:57:21,883 INFO L93 Difference]: Finished difference Result 1233 states and 1483 transitions. [2019-10-15 02:57:21,884 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-15 02:57:21,884 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 66 [2019-10-15 02:57:21,885 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 02:57:21,889 INFO L225 Difference]: With dead ends: 1233 [2019-10-15 02:57:21,889 INFO L226 Difference]: Without dead ends: 726 [2019-10-15 02:57:21,891 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 [2019-10-15 02:57:21,892 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 726 states. [2019-10-15 02:57:21,934 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 726 to 708. [2019-10-15 02:57:21,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 708 states. [2019-10-15 02:57:21,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 708 states to 708 states and 852 transitions. [2019-10-15 02:57:21,941 INFO L78 Accepts]: Start accepts. Automaton has 708 states and 852 transitions. Word has length 66 [2019-10-15 02:57:21,942 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 02:57:21,942 INFO L462 AbstractCegarLoop]: Abstraction has 708 states and 852 transitions. [2019-10-15 02:57:21,942 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-15 02:57:21,942 INFO L276 IsEmpty]: Start isEmpty. Operand 708 states and 852 transitions. [2019-10-15 02:57:21,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2019-10-15 02:57:21,944 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 02:57:21,944 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] [2019-10-15 02:57:21,944 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 02:57:21,945 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 02:57:21,945 INFO L82 PathProgramCache]: Analyzing trace with hash -2013370123, now seen corresponding path program 1 times [2019-10-15 02:57:21,945 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 02:57:21,945 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1839551693] [2019-10-15 02:57:21,945 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 02:57:21,946 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 02:57:21,946 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 02:57:21,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 02:57:22,088 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-10-15 02:57:22,088 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1839551693] [2019-10-15 02:57:22,089 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1603454537] [2019-10-15 02:57:22,089 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 [2019-10-15 02:57:22,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 02:57:22,452 INFO L256 TraceCheckSpWp]: Trace formula consists of 941 conjuncts, 3 conjunts are in the unsatisfiable core [2019-10-15 02:57:22,463 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-15 02:57:22,523 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2019-10-15 02:57:22,523 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-15 02:57:22,633 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-10-15 02:57:22,634 INFO L223 tionRefinementEngine]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2019-10-15 02:57:22,634 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [9] total 13 [2019-10-15 02:57:22,634 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [170922199] [2019-10-15 02:57:22,635 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-15 02:57:22,635 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 02:57:22,635 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-15 02:57:22,635 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2019-10-15 02:57:22,636 INFO L87 Difference]: Start difference. First operand 708 states and 852 transitions. Second operand 6 states. [2019-10-15 02:57:22,701 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 02:57:22,701 INFO L93 Difference]: Finished difference Result 1398 states and 1686 transitions. [2019-10-15 02:57:22,702 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-15 02:57:22,702 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 78 [2019-10-15 02:57:22,702 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 02:57:22,706 INFO L225 Difference]: With dead ends: 1398 [2019-10-15 02:57:22,706 INFO L226 Difference]: Without dead ends: 710 [2019-10-15 02:57:22,708 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 [2019-10-15 02:57:22,709 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 710 states. [2019-10-15 02:57:22,742 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 710 to 710. [2019-10-15 02:57:22,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 710 states. [2019-10-15 02:57:22,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 710 states to 710 states and 854 transitions. [2019-10-15 02:57:22,746 INFO L78 Accepts]: Start accepts. Automaton has 710 states and 854 transitions. Word has length 78 [2019-10-15 02:57:22,746 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 02:57:22,746 INFO L462 AbstractCegarLoop]: Abstraction has 710 states and 854 transitions. [2019-10-15 02:57:22,746 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-15 02:57:22,747 INFO L276 IsEmpty]: Start isEmpty. Operand 710 states and 854 transitions. [2019-10-15 02:57:22,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2019-10-15 02:57:22,748 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 02:57:22,749 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] [2019-10-15 02:57:22,954 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-15 02:57:22,954 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 02:57:22,955 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 02:57:22,955 INFO L82 PathProgramCache]: Analyzing trace with hash 109587541, now seen corresponding path program 1 times [2019-10-15 02:57:22,955 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 02:57:22,955 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1291072331] [2019-10-15 02:57:22,955 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 02:57:22,956 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 02:57:22,956 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 02:57:22,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 02:57:23,111 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2019-10-15 02:57:23,111 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1291072331] [2019-10-15 02:57:23,112 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1112363679] [2019-10-15 02:57:23,112 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 [2019-10-15 02:57:23,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 02:57:23,399 INFO L256 TraceCheckSpWp]: Trace formula consists of 953 conjuncts, 5 conjunts are in the unsatisfiable core [2019-10-15 02:57:23,404 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-15 02:57:23,484 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2019-10-15 02:57:23,484 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-15 02:57:23,654 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-10-15 02:57:23,655 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [850962728] [2019-10-15 02:57:23,686 INFO L162 IcfgInterpreter]: Started Sifa with 64 locations of interest [2019-10-15 02:57:23,686 INFO L169 IcfgInterpreter]: Building call graph [2019-10-15 02:57:23,692 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-15 02:57:23,700 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-15 02:57:23,701 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-15 02:57:24,503 WARN L191 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 426 [2019-10-15 02:57:25,101 WARN L191 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 418 [2019-10-15 02:57:25,236 WARN L191 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 418 [2019-10-15 02:57:25,612 WARN L191 SmtUtils]: Spent 311.00 ms on a formula simplification that was a NOOP. DAG size: 516 [2019-10-15 02:57:25,891 WARN L191 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 516 [2019-10-15 02:57:26,070 WARN L191 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 516 [2019-10-15 02:57:26,295 WARN L191 SmtUtils]: Spent 179.00 ms on a formula simplification that was a NOOP. DAG size: 516 [2019-10-15 02:57:26,711 WARN L191 SmtUtils]: Spent 403.00 ms on a formula simplification. DAG size of input: 518 DAG size of output: 516 [2019-10-15 02:57:26,865 WARN L191 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 516 [2019-10-15 02:57:27,067 WARN L191 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 516 [2019-10-15 02:57:27,212 WARN L191 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 516 [2019-10-15 02:57:27,326 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 516 [2019-10-15 02:57:27,486 WARN L191 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 516 [2019-10-15 02:57:27,501 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 193 for LOIs [2019-10-15 02:57:27,827 WARN L191 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 520 [2019-10-15 02:57:27,828 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 536 for LOIs [2019-10-15 02:57:27,972 WARN L191 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 536 [2019-10-15 02:57:28,077 WARN L191 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 536 [2019-10-15 02:57:28,309 WARN L191 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 586 [2019-10-15 02:57:28,436 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 546 [2019-10-15 02:57:28,538 WARN L191 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 546 [2019-10-15 02:57:28,726 WARN L191 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 598 [2019-10-15 02:57:29,864 WARN L191 SmtUtils]: Spent 774.00 ms on a formula simplification that was a NOOP. DAG size: 323 [2019-10-15 02:57:30,106 WARN L191 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 794 [2019-10-15 02:57:30,583 WARN L191 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 791 [2019-10-15 02:57:30,749 WARN L191 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 544 [2019-10-15 02:57:30,864 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 544 [2019-10-15 02:57:31,079 WARN L191 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 598 [2019-10-15 02:57:32,138 WARN L191 SmtUtils]: Spent 719.00 ms on a formula simplification that was a NOOP. DAG size: 323 [2019-10-15 02:57:32,407 WARN L191 SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 744 [2019-10-15 02:57:32,920 WARN L191 SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 741 [2019-10-15 02:57:33,144 WARN L191 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 600 DAG size of output: 544 [2019-10-15 02:57:33,421 WARN L191 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 598 [2019-10-15 02:57:33,565 WARN L191 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 544 [2019-10-15 02:57:33,872 WARN L191 SmtUtils]: Spent 183.00 ms on a formula simplification that was a NOOP. DAG size: 598 [2019-10-15 02:57:33,974 WARN L191 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 544 [2019-10-15 02:57:34,235 WARN L191 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 598 [2019-10-15 02:57:34,594 WARN L191 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 598 [2019-10-15 02:57:34,717 WARN L191 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 544 [2019-10-15 02:57:34,976 WARN L191 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 598 [2019-10-15 02:57:35,186 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 544 [2019-10-15 02:57:35,355 WARN L191 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 598 [2019-10-15 02:57:35,556 WARN L191 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 544 [2019-10-15 02:57:35,761 WARN L191 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 598 [2019-10-15 02:57:36,114 WARN L191 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 598 [2019-10-15 02:57:36,470 WARN L191 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 598 [2019-10-15 02:57:36,595 WARN L191 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 544 [2019-10-15 02:57:36,855 WARN L191 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 598 [2019-10-15 02:57:36,967 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 544 [2019-10-15 02:57:37,229 WARN L191 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 598 [2019-10-15 02:57:37,596 WARN L191 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 598 [2019-10-15 02:57:37,799 WARN L191 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 605 [2019-10-15 02:57:37,943 WARN L191 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 605 [2019-10-15 02:57:38,121 WARN L191 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 609 [2019-10-15 02:57:39,092 WARN L191 SmtUtils]: Spent 692.00 ms on a formula simplification that was a NOOP. DAG size: 323 [2019-10-15 02:57:39,340 WARN L191 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 637 [2019-10-15 02:57:39,759 WARN L191 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 632 [2019-10-15 02:57:40,020 WARN L191 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 627 [2019-10-15 02:57:40,170 WARN L191 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 605 [2019-10-15 02:57:40,312 WARN L191 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 605 [2019-10-15 02:57:40,489 WARN L191 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 609 [2019-10-15 02:57:41,486 WARN L191 SmtUtils]: Spent 718.00 ms on a formula simplification that was a NOOP. DAG size: 323 [2019-10-15 02:57:41,649 WARN L191 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 637 [2019-10-15 02:57:41,980 WARN L191 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 632 [2019-10-15 02:57:42,176 WARN L191 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 627 [2019-10-15 02:57:42,464 WARN L191 SmtUtils]: Spent 280.00 ms on a formula simplification. DAG size of input: 611 DAG size of output: 605 [2019-10-15 02:57:42,605 WARN L191 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 605 [2019-10-15 02:57:42,981 WARN L191 SmtUtils]: Spent 328.00 ms on a formula simplification that was a NOOP. DAG size: 609 [2019-10-15 02:57:43,141 WARN L191 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 605 [2019-10-15 02:57:43,281 WARN L191 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 605 [2019-10-15 02:57:43,454 WARN L191 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 609 [2019-10-15 02:57:44,405 WARN L191 SmtUtils]: Spent 705.00 ms on a formula simplification that was a NOOP. DAG size: 323 [2019-10-15 02:57:44,575 WARN L191 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 650 [2019-10-15 02:57:44,901 WARN L191 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 645 [2019-10-15 02:57:45,098 WARN L191 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 640 [2019-10-15 02:57:45,512 WARN L191 SmtUtils]: Spent 248.00 ms on a formula simplification that was a NOOP. DAG size: 609 [2019-10-15 02:57:45,670 WARN L191 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 609 [2019-10-15 02:57:45,844 WARN L191 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 611 [2019-10-15 02:57:46,812 WARN L191 SmtUtils]: Spent 716.00 ms on a formula simplification that was a NOOP. DAG size: 323 [2019-10-15 02:57:46,996 WARN L191 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 650 [2019-10-15 02:57:47,309 WARN L191 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 645 [2019-10-15 02:57:47,503 WARN L191 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 640 [2019-10-15 02:57:47,779 WARN L191 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 613 DAG size of output: 609 [2019-10-15 02:57:47,927 WARN L191 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 609 [2019-10-15 02:57:48,129 WARN L191 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 611 [2019-10-15 02:57:48,392 WARN L191 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 611 DAG size of output: 609 [2019-10-15 02:57:48,536 WARN L191 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 609 [2019-10-15 02:57:48,730 WARN L191 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 611 [2019-10-15 02:57:48,879 WARN L191 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 595