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/product-lines/minepump_spec2_product39.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-13a467a-m [2019-10-15 03:19:57,587 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-15 03:19:57,590 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-15 03:19:57,608 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-15 03:19:57,608 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-15 03:19:57,610 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-15 03:19:57,612 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-15 03:19:57,621 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-15 03:19:57,625 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-15 03:19:57,626 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-15 03:19:57,628 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-15 03:19:57,630 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-15 03:19:57,630 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-15 03:19:57,631 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-15 03:19:57,632 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-15 03:19:57,633 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-15 03:19:57,636 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-15 03:19:57,639 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-15 03:19:57,642 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-15 03:19:57,643 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-15 03:19:57,646 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-15 03:19:57,649 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-15 03:19:57,653 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-15 03:19:57,653 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-15 03:19:57,658 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-15 03:19:57,658 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-15 03:19:57,659 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-15 03:19:57,661 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-15 03:19:57,663 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-15 03:19:57,665 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-15 03:19:57,665 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-15 03:19:57,666 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-15 03:19:57,667 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-15 03:19:57,668 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-15 03:19:57,672 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-15 03:19:57,672 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-15 03:19:57,673 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-15 03:19:57,673 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-15 03:19:57,674 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-15 03:19:57,674 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-15 03:19:57,676 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-15 03:19:57,677 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 03:19:57,707 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-15 03:19:57,708 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-15 03:19:57,709 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-15 03:19:57,709 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-15 03:19:57,709 INFO L138 SettingsManager]: * Use SBE=true [2019-10-15 03:19:57,710 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-15 03:19:57,710 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-15 03:19:57,710 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-15 03:19:57,710 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-15 03:19:57,710 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-15 03:19:57,711 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-15 03:19:57,711 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-15 03:19:57,711 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-15 03:19:57,711 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-15 03:19:57,711 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-15 03:19:57,712 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-15 03:19:57,712 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-15 03:19:57,712 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-15 03:19:57,712 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-15 03:19:57,712 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-15 03:19:57,713 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-15 03:19:57,713 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 03:19:57,713 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-15 03:19:57,713 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-15 03:19:57,714 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-15 03:19:57,714 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-15 03:19:57,714 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-15 03:19:57,714 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-15 03:19:57,714 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 03:19:57,995 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-15 03:19:58,019 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-15 03:19:58,022 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-15 03:19:58,024 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-15 03:19:58,024 INFO L275 PluginConnector]: CDTParser initialized [2019-10-15 03:19:58,025 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product39.cil.c [2019-10-15 03:19:58,105 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ca5004462/b5d64cbfd7f84d8f87c056ad87bb2e62/FLAG8164be7d8 [2019-10-15 03:19:58,659 INFO L306 CDTParser]: Found 1 translation units. [2019-10-15 03:19:58,660 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec2_product39.cil.c [2019-10-15 03:19:58,674 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ca5004462/b5d64cbfd7f84d8f87c056ad87bb2e62/FLAG8164be7d8 [2019-10-15 03:19:59,019 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ca5004462/b5d64cbfd7f84d8f87c056ad87bb2e62 [2019-10-15 03:19:59,029 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-15 03:19:59,031 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-15 03:19:59,032 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-15 03:19:59,032 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-15 03:19:59,035 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-15 03:19:59,036 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 03:19:59" (1/1) ... [2019-10-15 03:19:59,039 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@76b69a6b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:19:59, skipping insertion in model container [2019-10-15 03:19:59,039 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 03:19:59" (1/1) ... [2019-10-15 03:19:59,047 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-15 03:19:59,100 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-15 03:19:59,522 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 03:19:59,540 INFO L188 MainTranslator]: Completed pre-run [2019-10-15 03:19:59,646 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 03:19:59,685 INFO L192 MainTranslator]: Completed translation [2019-10-15 03:19:59,685 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:19:59 WrapperNode [2019-10-15 03:19:59,685 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-15 03:19:59,686 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-15 03:19:59,686 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-15 03:19:59,686 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-15 03:19:59,697 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:19:59" (1/1) ... [2019-10-15 03:19:59,697 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:19:59" (1/1) ... [2019-10-15 03:19:59,716 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:19:59" (1/1) ... [2019-10-15 03:19:59,717 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:19:59" (1/1) ... [2019-10-15 03:19:59,759 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:19:59" (1/1) ... [2019-10-15 03:19:59,782 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:19:59" (1/1) ... [2019-10-15 03:19:59,792 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:19:59" (1/1) ... [2019-10-15 03:19:59,804 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-15 03:19:59,805 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-15 03:19:59,805 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-15 03:19:59,805 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-15 03:19:59,806 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:19:59" (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 03:19:59,857 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-15 03:19:59,858 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-15 03:19:59,858 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-15 03:19:59,858 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-10-15 03:19:59,858 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-10-15 03:19:59,859 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-10-15 03:19:59,859 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-10-15 03:19:59,859 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-10-15 03:19:59,859 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-10-15 03:19:59,859 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-10-15 03:19:59,859 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-15 03:19:59,860 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-15 03:19:59,860 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-15 03:19:59,861 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-15 03:19:59,861 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-15 03:19:59,861 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2019-10-15 03:19:59,861 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2019-10-15 03:19:59,861 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-15 03:19:59,862 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-15 03:19:59,862 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-15 03:19:59,862 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-10-15 03:19:59,862 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2019-10-15 03:19:59,862 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-10-15 03:19:59,863 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-10-15 03:19:59,863 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-10-15 03:19:59,863 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-10-15 03:19:59,863 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-10-15 03:19:59,863 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-10-15 03:19:59,864 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-10-15 03:19:59,864 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-10-15 03:19:59,864 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-15 03:19:59,864 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-15 03:19:59,864 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-15 03:19:59,866 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-15 03:19:59,866 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-15 03:19:59,866 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-15 03:19:59,866 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-15 03:19:59,866 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-15 03:19:59,867 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-15 03:19:59,867 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-15 03:19:59,867 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-15 03:19:59,867 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-15 03:19:59,867 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-15 03:19:59,867 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-10-15 03:19:59,868 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-10-15 03:19:59,868 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-10-15 03:19:59,868 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-10-15 03:19:59,868 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-10-15 03:19:59,868 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-10-15 03:19:59,868 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-10-15 03:19:59,869 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-15 03:19:59,869 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-15 03:19:59,869 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-15 03:19:59,869 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-10-15 03:19:59,870 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-15 03:19:59,870 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-15 03:19:59,870 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2019-10-15 03:19:59,870 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-15 03:19:59,871 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-15 03:19:59,871 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-15 03:19:59,871 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-15 03:19:59,871 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-15 03:19:59,872 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-15 03:19:59,872 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-15 03:19:59,872 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-10-15 03:19:59,872 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2019-10-15 03:19:59,872 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-10-15 03:19:59,872 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-10-15 03:19:59,872 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-10-15 03:19:59,873 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-10-15 03:19:59,873 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-10-15 03:19:59,873 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-10-15 03:19:59,873 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2019-10-15 03:19:59,874 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-10-15 03:19:59,874 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-15 03:19:59,875 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-15 03:19:59,876 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-15 03:19:59,876 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-15 03:19:59,876 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-15 03:19:59,876 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-15 03:19:59,878 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-15 03:19:59,878 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-15 03:19:59,878 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-15 03:19:59,878 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-15 03:19:59,878 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-15 03:19:59,878 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-15 03:19:59,879 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-15 03:19:59,880 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-15 03:19:59,880 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-15 03:19:59,880 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-15 03:19:59,880 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-15 03:19:59,880 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-15 03:19:59,880 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-15 03:19:59,880 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-15 03:20:01,440 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-15 03:20:01,441 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-10-15 03:20:01,443 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 03:20:01 BoogieIcfgContainer [2019-10-15 03:20:01,444 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-15 03:20:01,445 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-15 03:20:01,445 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-15 03:20:01,449 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-15 03:20:01,449 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 03:19:59" (1/3) ... [2019-10-15 03:20:01,450 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a129aad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 03:20:01, skipping insertion in model container [2019-10-15 03:20:01,450 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:19:59" (2/3) ... [2019-10-15 03:20:01,451 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a129aad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 03:20:01, skipping insertion in model container [2019-10-15 03:20:01,451 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 03:20:01" (3/3) ... [2019-10-15 03:20:01,454 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product39.cil.c [2019-10-15 03:20:01,465 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-15 03:20:01,478 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-15 03:20:01,490 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-15 03:20:01,529 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-15 03:20:01,530 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-15 03:20:01,530 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-15 03:20:01,530 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-15 03:20:01,530 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-15 03:20:01,531 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-15 03:20:01,531 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-15 03:20:01,531 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-15 03:20:01,563 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states. [2019-10-15 03:20:01,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-10-15 03:20:01,579 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:20:01,580 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, 1, 1, 1] [2019-10-15 03:20:01,583 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:20:01,590 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:20:01,591 INFO L82 PathProgramCache]: Analyzing trace with hash 1067458542, now seen corresponding path program 1 times [2019-10-15 03:20:01,602 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:20:01,603 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1379716907] [2019-10-15 03:20:01,603 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:20:01,603 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:20:01,604 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:20:01,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:20:02,004 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 03:20:02,005 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1379716907] [2019-10-15 03:20:02,005 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:20:02,006 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-15 03:20:02,006 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [429139349] [2019-10-15 03:20:02,011 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-15 03:20:02,012 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:20:02,025 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-15 03:20:02,026 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-15 03:20:02,028 INFO L87 Difference]: Start difference. First operand 148 states. Second operand 2 states. [2019-10-15 03:20:02,079 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:20:02,079 INFO L93 Difference]: Finished difference Result 226 states and 279 transitions. [2019-10-15 03:20:02,079 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-15 03:20:02,081 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2019-10-15 03:20:02,082 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:20:02,099 INFO L225 Difference]: With dead ends: 226 [2019-10-15 03:20:02,100 INFO L226 Difference]: Without dead ends: 115 [2019-10-15 03:20:02,114 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-15 03:20:02,135 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2019-10-15 03:20:02,192 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 115. [2019-10-15 03:20:02,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 115 states. [2019-10-15 03:20:02,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 135 transitions. [2019-10-15 03:20:02,208 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 135 transitions. Word has length 46 [2019-10-15 03:20:02,209 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:20:02,209 INFO L462 AbstractCegarLoop]: Abstraction has 115 states and 135 transitions. [2019-10-15 03:20:02,210 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-15 03:20:02,210 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 135 transitions. [2019-10-15 03:20:02,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-10-15 03:20:02,221 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:20:02,221 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, 1, 1, 1, 1] [2019-10-15 03:20:02,222 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:20:02,223 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:20:02,224 INFO L82 PathProgramCache]: Analyzing trace with hash 1098507142, now seen corresponding path program 1 times [2019-10-15 03:20:02,224 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:20:02,225 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [752560329] [2019-10-15 03:20:02,225 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:20:02,226 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:20:02,227 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:20:02,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:20:02,431 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 03:20:02,432 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [752560329] [2019-10-15 03:20:02,432 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:20:02,433 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 03:20:02,433 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1384819088] [2019-10-15 03:20:02,436 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 03:20:02,436 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:20:02,436 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 03:20:02,437 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 03:20:02,437 INFO L87 Difference]: Start difference. First operand 115 states and 135 transitions. Second operand 3 states. [2019-10-15 03:20:02,486 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:20:02,486 INFO L93 Difference]: Finished difference Result 177 states and 207 transitions. [2019-10-15 03:20:02,487 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 03:20:02,488 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2019-10-15 03:20:02,488 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:20:02,491 INFO L225 Difference]: With dead ends: 177 [2019-10-15 03:20:02,492 INFO L226 Difference]: Without dead ends: 107 [2019-10-15 03:20:02,494 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 03:20:02,494 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2019-10-15 03:20:02,517 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 107. [2019-10-15 03:20:02,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 107 states. [2019-10-15 03:20:02,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 124 transitions. [2019-10-15 03:20:02,520 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 124 transitions. Word has length 47 [2019-10-15 03:20:02,520 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:20:02,521 INFO L462 AbstractCegarLoop]: Abstraction has 107 states and 124 transitions. [2019-10-15 03:20:02,521 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 03:20:02,521 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 124 transitions. [2019-10-15 03:20:02,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2019-10-15 03:20:02,526 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:20:02,526 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, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 03:20:02,527 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:20:02,527 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:20:02,528 INFO L82 PathProgramCache]: Analyzing trace with hash 789120514, now seen corresponding path program 1 times [2019-10-15 03:20:02,529 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:20:02,529 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [730196672] [2019-10-15 03:20:02,529 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:20:02,529 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:20:02,529 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:20:02,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:20:02,765 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 03:20:02,766 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [730196672] [2019-10-15 03:20:02,766 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:20:02,766 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-15 03:20:02,767 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [46112354] [2019-10-15 03:20:02,767 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-15 03:20:02,768 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:20:02,768 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-15 03:20:02,768 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-10-15 03:20:02,768 INFO L87 Difference]: Start difference. First operand 107 states and 124 transitions. Second operand 7 states. [2019-10-15 03:20:03,215 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:20:03,216 INFO L93 Difference]: Finished difference Result 316 states and 381 transitions. [2019-10-15 03:20:03,216 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-15 03:20:03,216 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 50 [2019-10-15 03:20:03,217 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:20:03,222 INFO L225 Difference]: With dead ends: 316 [2019-10-15 03:20:03,223 INFO L226 Difference]: Without dead ends: 234 [2019-10-15 03:20:03,224 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2019-10-15 03:20:03,225 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 234 states. [2019-10-15 03:20:03,264 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 234 to 226. [2019-10-15 03:20:03,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 226 states. [2019-10-15 03:20:03,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 226 states and 272 transitions. [2019-10-15 03:20:03,268 INFO L78 Accepts]: Start accepts. Automaton has 226 states and 272 transitions. Word has length 50 [2019-10-15 03:20:03,268 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:20:03,269 INFO L462 AbstractCegarLoop]: Abstraction has 226 states and 272 transitions. [2019-10-15 03:20:03,269 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-15 03:20:03,269 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 272 transitions. [2019-10-15 03:20:03,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2019-10-15 03:20:03,271 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:20:03,271 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 03:20:03,272 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:20:03,272 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:20:03,272 INFO L82 PathProgramCache]: Analyzing trace with hash -557267737, now seen corresponding path program 1 times [2019-10-15 03:20:03,272 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:20:03,273 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1679249319] [2019-10-15 03:20:03,273 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:20:03,273 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:20:03,273 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:20:03,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:20:03,415 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 03:20:03,416 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1679249319] [2019-10-15 03:20:03,416 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:20:03,416 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-15 03:20:03,416 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1766382117] [2019-10-15 03:20:03,417 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-15 03:20:03,417 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:20:03,417 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-15 03:20:03,417 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-15 03:20:03,418 INFO L87 Difference]: Start difference. First operand 226 states and 272 transitions. Second operand 6 states. [2019-10-15 03:20:03,640 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:20:03,640 INFO L93 Difference]: Finished difference Result 610 states and 753 transitions. [2019-10-15 03:20:03,644 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-15 03:20:03,645 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 55 [2019-10-15 03:20:03,645 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:20:03,655 INFO L225 Difference]: With dead ends: 610 [2019-10-15 03:20:03,655 INFO L226 Difference]: Without dead ends: 409 [2019-10-15 03:20:03,657 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2019-10-15 03:20:03,658 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 409 states. [2019-10-15 03:20:03,732 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 409 to 397. [2019-10-15 03:20:03,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 397 states. [2019-10-15 03:20:03,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 397 states to 397 states and 481 transitions. [2019-10-15 03:20:03,739 INFO L78 Accepts]: Start accepts. Automaton has 397 states and 481 transitions. Word has length 55 [2019-10-15 03:20:03,740 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:20:03,742 INFO L462 AbstractCegarLoop]: Abstraction has 397 states and 481 transitions. [2019-10-15 03:20:03,743 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-15 03:20:03,743 INFO L276 IsEmpty]: Start isEmpty. Operand 397 states and 481 transitions. [2019-10-15 03:20:03,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2019-10-15 03:20:03,748 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:20:03,748 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 03:20:03,749 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:20:03,749 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:20:03,749 INFO L82 PathProgramCache]: Analyzing trace with hash 1736198328, now seen corresponding path program 1 times [2019-10-15 03:20:03,750 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:20:03,751 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [379620979] [2019-10-15 03:20:03,751 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:20:03,751 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:20:03,751 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:20:03,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:20:03,960 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 03:20:03,960 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [379620979] [2019-10-15 03:20:03,961 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:20:03,961 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-15 03:20:03,961 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2052362539] [2019-10-15 03:20:03,962 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-15 03:20:03,962 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:20:03,962 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-15 03:20:03,962 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-10-15 03:20:03,963 INFO L87 Difference]: Start difference. First operand 397 states and 481 transitions. Second operand 7 states. [2019-10-15 03:20:04,583 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:20:04,583 INFO L93 Difference]: Finished difference Result 1055 states and 1396 transitions. [2019-10-15 03:20:04,584 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-10-15 03:20:04,584 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 58 [2019-10-15 03:20:04,585 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:20:04,590 INFO L225 Difference]: With dead ends: 1055 [2019-10-15 03:20:04,590 INFO L226 Difference]: Without dead ends: 683 [2019-10-15 03:20:04,592 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2019-10-15 03:20:04,594 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 683 states. [2019-10-15 03:20:04,642 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 683 to 596. [2019-10-15 03:20:04,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 596 states. [2019-10-15 03:20:04,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 596 states to 596 states and 720 transitions. [2019-10-15 03:20:04,646 INFO L78 Accepts]: Start accepts. Automaton has 596 states and 720 transitions. Word has length 58 [2019-10-15 03:20:04,647 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:20:04,647 INFO L462 AbstractCegarLoop]: Abstraction has 596 states and 720 transitions. [2019-10-15 03:20:04,647 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-15 03:20:04,647 INFO L276 IsEmpty]: Start isEmpty. Operand 596 states and 720 transitions. [2019-10-15 03:20:04,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2019-10-15 03:20:04,649 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:20:04,650 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, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:20:04,650 INFO L410 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:20:04,650 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:20:04,650 INFO L82 PathProgramCache]: Analyzing trace with hash 834812761, now seen corresponding path program 1 times [2019-10-15 03:20:04,651 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:20:04,651 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1904450830] [2019-10-15 03:20:04,651 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:20:04,651 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:20:04,651 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:20:04,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:20:04,739 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 03:20:04,740 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1904450830] [2019-10-15 03:20:04,740 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:20:04,740 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 03:20:04,741 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2074984808] [2019-10-15 03:20:04,741 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 03:20:04,741 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:20:04,742 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 03:20:04,742 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 03:20:04,742 INFO L87 Difference]: Start difference. First operand 596 states and 720 transitions. Second operand 3 states. [2019-10-15 03:20:04,808 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:20:04,808 INFO L93 Difference]: Finished difference Result 840 states and 1041 transitions. [2019-10-15 03:20:04,809 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 03:20:04,809 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 75 [2019-10-15 03:20:04,809 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:20:04,815 INFO L225 Difference]: With dead ends: 840 [2019-10-15 03:20:04,815 INFO L226 Difference]: Without dead ends: 837 [2019-10-15 03:20:04,816 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 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 03:20:04,817 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 837 states. [2019-10-15 03:20:04,868 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 837 to 797. [2019-10-15 03:20:04,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 797 states. [2019-10-15 03:20:04,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 797 states to 797 states and 988 transitions. [2019-10-15 03:20:04,874 INFO L78 Accepts]: Start accepts. Automaton has 797 states and 988 transitions. Word has length 75 [2019-10-15 03:20:04,875 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:20:04,875 INFO L462 AbstractCegarLoop]: Abstraction has 797 states and 988 transitions. [2019-10-15 03:20:04,875 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 03:20:04,875 INFO L276 IsEmpty]: Start isEmpty. Operand 797 states and 988 transitions. [2019-10-15 03:20:04,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2019-10-15 03:20:04,880 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:20:04,881 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 03:20:04,881 INFO L410 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:20:04,881 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:20:04,881 INFO L82 PathProgramCache]: Analyzing trace with hash -335223107, now seen corresponding path program 1 times [2019-10-15 03:20:04,882 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:20:04,882 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [742277684] [2019-10-15 03:20:04,882 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:20:04,882 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:20:04,882 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:20:04,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:20:05,166 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 20 proven. 10 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2019-10-15 03:20:05,167 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [742277684] [2019-10-15 03:20:05,167 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [601336609] [2019-10-15 03:20:05,167 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 03:20:05,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:20:05,385 INFO L256 TraceCheckSpWp]: Trace formula consists of 880 conjuncts, 6 conjunts are in the unsatisfiable core [2019-10-15 03:20:05,403 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-15 03:20:05,597 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 27 proven. 5 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2019-10-15 03:20:05,597 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-15 03:20:06,003 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 23 proven. 5 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2019-10-15 03:20:06,004 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2034804247] [2019-10-15 03:20:06,035 INFO L162 IcfgInterpreter]: Started Sifa with 83 locations of interest [2019-10-15 03:20:06,035 INFO L169 IcfgInterpreter]: Building call graph [2019-10-15 03:20:06,043 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-15 03:20:06,051 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-15 03:20:06,052 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-15 03:20:16,093 WARN L191 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 466 [2019-10-15 03:20:17,872 WARN L191 SmtUtils]: Spent 478.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-10-15 03:20:18,016 WARN L191 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 474 [2019-10-15 03:20:18,181 WARN L191 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 474 [2019-10-15 03:20:18,325 WARN L191 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 474 [2019-10-15 03:20:18,601 WARN L191 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 544 [2019-10-15 03:20:18,826 WARN L191 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 544 [2019-10-15 03:20:19,041 WARN L191 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 544 [2019-10-15 03:20:19,266 WARN L191 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 544 [2019-10-15 03:20:19,535 WARN L191 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 546 DAG size of output: 544 [2019-10-15 03:20:19,670 WARN L191 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 544 [2019-10-15 03:20:19,839 WARN L191 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 544 [2019-10-15 03:20:19,990 WARN L191 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 544 [2019-10-15 03:20:20,117 WARN L191 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 544 [2019-10-15 03:20:20,293 WARN L191 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 544 [2019-10-15 03:20:20,303 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 187 for LOIs [2019-10-15 03:20:20,520 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 546 for LOIs [2019-10-15 03:20:20,625 WARN L191 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 546 [2019-10-15 03:20:20,756 WARN L191 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 546 [2019-10-15 03:20:20,905 WARN L191 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-15 03:20:21,016 WARN L191 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 546 [2019-10-15 03:20:21,305 WARN L191 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-15 03:20:21,644 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-15 03:20:21,907 WARN L191 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 566 DAG size of output: 546 [2019-10-15 03:20:22,135 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-15 03:20:22,460 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-15 03:20:22,597 WARN L191 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 546 [2019-10-15 03:20:22,829 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-15 03:20:23,029 WARN L191 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 546 [2019-10-15 03:20:23,147 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-15 03:20:23,258 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 546 [2019-10-15 03:20:23,474 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-15 03:20:23,787 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-15 03:20:24,016 WARN L191 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 546 [2019-10-15 03:20:24,136 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-15 03:20:24,523 WARN L191 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-15 03:20:24,848 WARN L191 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-15 03:20:25,054 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 546 [2019-10-15 03:20:25,174 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-15 03:20:25,322 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-15 03:20:25,432 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-15 03:20:25,554 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-15 03:20:25,712 WARN L191 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-15 03:20:25,846 WARN L191 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-15 03:20:25,981 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-15 03:20:26,096 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-15 03:20:26,208 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-15 03:20:26,332 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-15 03:20:26,476 WARN L191 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-15 03:20:26,590 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-15 03:20:26,725 WARN L191 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-15 03:20:26,946 WARN L191 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 570 DAG size of output: 568 [2019-10-15 03:20:27,065 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-15 03:20:27,331 WARN L191 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-15 03:20:27,589 WARN L191 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 570 DAG size of output: 568 [2019-10-15 03:20:27,704 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-15 03:20:27,854 WARN L191 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-15 03:20:27,983 WARN L191 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 566 [2019-10-15 03:20:28,095 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 566 [2019-10-15 03:20:28,225 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-15 03:20:28,338 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-15 03:20:28,451 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-15 03:20:28,582 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 570 [2019-10-15 03:20:28,720 WARN L191 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-15 03:20:28,832 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-15 03:20:28,959 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 570 [2019-10-15 03:20:29,184 WARN L191 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 572 DAG size of output: 568 [2019-10-15 03:20:29,308 WARN L191 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-15 03:20:29,464 WARN L191 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 570 [2019-10-15 03:20:29,577 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-15 03:20:29,692 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-15 03:20:29,818 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 570 [2019-10-15 03:20:29,952 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-15 03:20:30,086 WARN L191 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-15 03:20:30,212 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-15 03:20:30,326 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-15 03:20:30,437 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-15 03:20:30,559 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-15 03:20:30,673 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-15 03:20:30,786 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-15 03:20:30,913 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-15 03:20:31,140 WARN L191 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 570 DAG size of output: 566 [2019-10-15 03:20:31,270 WARN L191 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 566 [2019-10-15 03:20:31,396 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-15 03:20:31,607 WARN L191 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 570 DAG size of output: 568 [2019-10-15 03:20:31,722 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-15 03:20:31,861 WARN L191 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-15 03:20:32,051 WARN L191 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 570 DAG size of output: 566 [2019-10-15 03:20:32,166 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 566 [2019-10-15 03:20:32,306 WARN L191 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-15 03:20:32,504 WARN L191 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 575 DAG size of output: 568 [2019-10-15 03:20:32,618 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-15 03:20:32,743 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-15 03:20:32,954 WARN L191 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 577 DAG size of output: 570 [2019-10-15 03:20:33,068 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 570 [2019-10-15 03:20:33,201 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 570 [2019-10-15 03:20:33,332 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-15 03:20:33,448 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-15 03:20:33,569 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-15 03:20:33,685 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-15 03:20:33,798 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-15 03:20:33,922 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-15 03:20:34,032 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-15 03:20:34,142 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-15 03:20:34,262 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-15 03:20:34,393 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-15 03:20:34,504 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-15 03:20:34,642 WARN L191 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-15 03:20:34,756 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-15 03:20:34,868 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-15 03:20:34,995 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-15 03:20:35,109 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-15 03:20:35,219 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-15 03:20:35,340 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-15 03:20:35,557 WARN L191 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 570 DAG size of output: 568 [2019-10-15 03:20:35,671 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-15 03:20:35,798 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-15 03:20:35,991 WARN L191 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 570 DAG size of output: 566 [2019-10-15 03:20:36,105 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 566 [2019-10-15 03:20:36,237 WARN L191 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-15 03:20:36,358 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-15 03:20:36,469 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-15 03:20:36,590 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-15 03:20:36,703 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-15 03:20:36,815 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-15 03:20:36,943 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-15 03:20:37,069 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-15 03:20:37,179 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-15 03:20:37,299 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-15 03:20:37,476 WARN L191 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-15 03:20:37,589 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-15 03:20:37,711 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-15 03:20:37,821 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-15 03:20:37,931 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-15 03:20:38,050 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-15 03:20:38,287 WARN L191 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 570 DAG size of output: 568 [2019-10-15 03:20:38,401 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-15 03:20:38,526 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-15 03:20:38,721 WARN L191 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 570 DAG size of output: 566 [2019-10-15 03:20:38,844 WARN L191 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 566 [2019-10-15 03:20:38,970 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-15 03:20:39,157 WARN L191 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 570 DAG size of output: 566 [2019-10-15 03:20:39,268 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 566 [2019-10-15 03:20:39,389 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-15 03:20:39,710 WARN L191 SmtUtils]: Spent 317.00 ms on a formula simplification. DAG size of input: 570 DAG size of output: 566 [2019-10-15 03:20:39,822 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 566 [2019-10-15 03:20:39,949 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-15 03:20:40,141 WARN L191 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 572 DAG size of output: 568 [2019-10-15 03:20:40,252 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-15 03:20:40,376 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 570 [2019-10-15 03:20:40,497 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-15 03:20:40,607 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 564