java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/SifaC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --sifa.abstract.domain ExplicitValueDomain --rcfgbuilder.size.of.a.code.block SequenceOfStatements --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_DDA -i ../../../trunk/examples/svcomp/product-lines/minepump_spec4_product56.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-efa34d5 [2019-09-18 04:54:29,146 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-18 04:54:29,148 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-18 04:54:29,159 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-18 04:54:29,159 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-18 04:54:29,160 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-18 04:54:29,162 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-18 04:54:29,163 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-18 04:54:29,165 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-18 04:54:29,166 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-18 04:54:29,167 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-18 04:54:29,168 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-18 04:54:29,168 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-18 04:54:29,169 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-18 04:54:29,170 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-18 04:54:29,171 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-18 04:54:29,172 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-18 04:54:29,172 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-18 04:54:29,174 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-18 04:54:29,176 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-18 04:54:29,177 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-18 04:54:29,179 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-18 04:54:29,180 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-18 04:54:29,180 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-18 04:54:29,183 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-18 04:54:29,183 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-18 04:54:29,183 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-18 04:54:29,184 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-18 04:54:29,184 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-18 04:54:29,185 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-18 04:54:29,186 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-18 04:54:29,186 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-18 04:54:29,187 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-18 04:54:29,188 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-18 04:54:29,189 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-18 04:54:29,189 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-18 04:54:29,190 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-18 04:54:29,190 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-18 04:54:29,190 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-18 04:54:29,191 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-18 04:54:29,192 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-18 04:54:29,192 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 [2019-09-18 04:54:29,207 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-18 04:54:29,207 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-18 04:54:29,209 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-18 04:54:29,209 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-18 04:54:29,209 INFO L138 SettingsManager]: * Use SBE=true [2019-09-18 04:54:29,209 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-18 04:54:29,209 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-18 04:54:29,210 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-18 04:54:29,210 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-18 04:54:29,210 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-18 04:54:29,210 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-18 04:54:29,210 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-18 04:54:29,211 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-18 04:54:29,211 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-18 04:54:29,211 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-18 04:54:29,211 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-18 04:54:29,211 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-18 04:54:29,212 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-18 04:54:29,212 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-18 04:54:29,212 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-18 04:54:29,212 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-18 04:54:29,212 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-18 04:54:29,213 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-18 04:54:29,213 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-18 04:54:29,213 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-18 04:54:29,213 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-18 04:54:29,213 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-18 04:54:29,214 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-18 04:54:29,214 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> ExplicitValueDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements 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: Intern Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_DDA [2019-09-18 04:54:29,245 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-18 04:54:29,259 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-18 04:54:29,263 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-18 04:54:29,265 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-18 04:54:29,265 INFO L275 PluginConnector]: CDTParser initialized [2019-09-18 04:54:29,266 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product56.cil.c [2019-09-18 04:54:29,341 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/504627fbb/a2cfa450522140fe89d7af6819b8bde3/FLAG92e5e047b [2019-09-18 04:54:29,849 INFO L306 CDTParser]: Found 1 translation units. [2019-09-18 04:54:29,850 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec4_product56.cil.c [2019-09-18 04:54:29,873 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/504627fbb/a2cfa450522140fe89d7af6819b8bde3/FLAG92e5e047b [2019-09-18 04:54:30,190 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/504627fbb/a2cfa450522140fe89d7af6819b8bde3 [2019-09-18 04:54:30,201 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-18 04:54:30,203 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-18 04:54:30,204 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-18 04:54:30,204 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-18 04:54:30,207 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-18 04:54:30,208 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.09 04:54:30" (1/1) ... [2019-09-18 04:54:30,210 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@23ac3fee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 04:54:30, skipping insertion in model container [2019-09-18 04:54:30,210 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.09 04:54:30" (1/1) ... [2019-09-18 04:54:30,218 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-18 04:54:30,282 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-18 04:54:30,720 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-18 04:54:30,743 INFO L188 MainTranslator]: Completed pre-run [2019-09-18 04:54:30,832 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-18 04:54:30,882 INFO L192 MainTranslator]: Completed translation [2019-09-18 04:54:30,883 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 04:54:30 WrapperNode [2019-09-18 04:54:30,883 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-18 04:54:30,884 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-18 04:54:30,884 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-18 04:54:30,884 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-18 04:54:30,894 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 04:54:30" (1/1) ... [2019-09-18 04:54:30,894 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 04:54:30" (1/1) ... [2019-09-18 04:54:30,919 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 04:54:30" (1/1) ... [2019-09-18 04:54:30,921 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 04:54:30" (1/1) ... [2019-09-18 04:54:30,948 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 04:54:30" (1/1) ... [2019-09-18 04:54:30,959 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 04:54:30" (1/1) ... [2019-09-18 04:54:30,963 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 04:54:30" (1/1) ... [2019-09-18 04:54:30,971 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-18 04:54:30,974 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-18 04:54:30,974 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-18 04:54:30,975 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-18 04:54:30,977 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 04:54:30" (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 [2019-09-18 04:54:31,038 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-18 04:54:31,039 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-18 04:54:31,039 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-18 04:54:31,039 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-18 04:54:31,039 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-09-18 04:54:31,040 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2019-09-18 04:54:31,040 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2019-09-18 04:54:31,040 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-18 04:54:31,040 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-18 04:54:31,040 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-18 04:54:31,040 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-18 04:54:31,041 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-18 04:54:31,041 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-18 04:54:31,041 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-09-18 04:54:31,041 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-09-18 04:54:31,041 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-09-18 04:54:31,042 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-09-18 04:54:31,042 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-18 04:54:31,042 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-18 04:54:31,042 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-18 04:54:31,042 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-18 04:54:31,042 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-18 04:54:31,043 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-18 04:54:31,043 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-18 04:54:31,043 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2019-09-18 04:54:31,043 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-18 04:54:31,043 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-18 04:54:31,043 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-18 04:54:31,044 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-18 04:54:31,044 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-18 04:54:31,044 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-18 04:54:31,044 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-18 04:54:31,044 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-18 04:54:31,044 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-18 04:54:31,045 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-18 04:54:31,045 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-18 04:54:31,045 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-18 04:54:31,045 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-09-18 04:54:31,045 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-09-18 04:54:31,045 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-18 04:54:31,045 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-18 04:54:31,046 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-18 04:54:31,046 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-18 04:54:31,046 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-18 04:54:31,046 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-18 04:54:31,046 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-18 04:54:31,046 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-18 04:54:31,047 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-18 04:54:31,047 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-18 04:54:31,047 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-09-18 04:54:31,047 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-09-18 04:54:31,047 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-18 04:54:31,047 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-18 04:54:31,047 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-18 04:54:31,048 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-18 04:54:31,048 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-18 04:54:31,048 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-09-18 04:54:31,048 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-09-18 04:54:31,048 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2019-09-18 04:54:31,048 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-18 04:54:31,049 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-09-18 04:54:31,049 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-09-18 04:54:31,049 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2019-09-18 04:54:31,049 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-09-18 04:54:31,049 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2019-09-18 04:54:31,049 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-18 04:54:31,049 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-18 04:54:31,050 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-18 04:54:31,050 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-18 04:54:31,050 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-18 04:54:31,050 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-18 04:54:31,050 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-18 04:54:31,050 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-18 04:54:31,051 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-18 04:54:31,051 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-18 04:54:31,051 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-18 04:54:31,051 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-18 04:54:31,051 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-18 04:54:31,051 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-18 04:54:31,052 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-18 04:54:31,052 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-18 04:54:31,052 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-18 04:54:31,052 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-18 04:54:31,052 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-18 04:54:31,052 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-18 04:54:31,053 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-18 04:54:31,053 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-18 04:54:31,053 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-18 04:54:31,053 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-18 04:54:31,053 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-18 04:54:31,053 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-18 04:54:31,053 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-18 04:54:31,054 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-18 04:54:31,054 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-18 04:54:31,054 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-18 04:54:31,054 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-18 04:54:31,054 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-18 04:54:31,054 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-18 04:54:31,054 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-18 04:54:31,055 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-18 04:54:32,128 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-18 04:54:32,128 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-18 04:54:32,132 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.09 04:54:32 BoogieIcfgContainer [2019-09-18 04:54:32,132 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-18 04:54:32,132 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-18 04:54:32,133 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-18 04:54:32,133 INFO L275 PluginConnector]: Sifa initialized [2019-09-18 04:54:32,134 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.09 04:54:32" (1/1) ... [2019-09-18 04:54:32,135 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=ExplicitValueDomain ♦ Abstract when formula's dag size exceeds (negative numbers disable this limit)=-1 ♦ Fluid=SizeLimitFluid ♦ Max. Parallel Explicit Values=2 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ Abstract when formula has more disjuncts than (negative numbers disable this limit)=8 ♦ Call Summarizer=TopInputCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ Simplification Technique=SIMPLIFY_DDA ♦ Intern Fluid=SizeLimitFluid [2019-09-18 04:54:32,163 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-18 04:54:32,164 INFO L169 IcfgInterpreter]: Building call graph [2019-09-18 04:54:32,179 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-18 04:54:32,190 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-18 04:54:32,192 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-18 04:54:55,379 WARN L191 SmtUtils]: Spent 14.30 s on a formula simplification that was a NOOP. DAG size: 464 [2019-09-18 04:54:57,196 WARN L191 SmtUtils]: Spent 413.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-09-18 04:55:01,112 WARN L191 SmtUtils]: Spent 3.91 s on a formula simplification. DAG size of input: 472 DAG size of output: 422 [2019-09-18 04:55:02,823 WARN L191 SmtUtils]: Spent 1.70 s on a formula simplification that was a NOOP. DAG size: 422 [2019-09-18 04:55:04,495 WARN L191 SmtUtils]: Spent 1.67 s on a formula simplification that was a NOOP. DAG size: 422 [2019-09-18 04:55:04,510 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 430 for LOIs [2019-09-18 04:55:04,579 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 430 for LOIs [2019-09-18 04:55:04,585 INFO L199 IcfgInterpreter]: Interpreting procedure test with input of size 430 for LOIs [2019-09-18 04:55:15,844 WARN L191 SmtUtils]: Spent 11.10 s on a formula simplification. DAG size of input: 447 DAG size of output: 446 [2019-09-18 04:55:21,351 WARN L191 SmtUtils]: Spent 5.50 s on a formula simplification that was a NOOP. DAG size: 446 [2019-09-18 04:55:32,258 WARN L191 SmtUtils]: Spent 10.91 s on a formula simplification. DAG size of input: 447 DAG size of output: 446 [2019-09-18 04:55:37,628 WARN L191 SmtUtils]: Spent 5.37 s on a formula simplification that was a NOOP. DAG size: 446 [2019-09-18 04:55:48,538 WARN L191 SmtUtils]: Spent 10.91 s on a formula simplification. DAG size of input: 447 DAG size of output: 446 [2019-09-18 04:55:53,933 WARN L191 SmtUtils]: Spent 5.39 s on a formula simplification that was a NOOP. DAG size: 446 [2019-09-18 04:56:04,860 WARN L191 SmtUtils]: Spent 10.92 s on a formula simplification. DAG size of input: 447 DAG size of output: 446 [2019-09-18 04:56:10,312 WARN L191 SmtUtils]: Spent 5.45 s on a formula simplification that was a NOOP. DAG size: 446 [2019-09-18 04:56:21,220 WARN L191 SmtUtils]: Spent 10.91 s on a formula simplification. DAG size of input: 447 DAG size of output: 446 [2019-09-18 04:56:26,695 WARN L191 SmtUtils]: Spent 5.47 s on a formula simplification that was a NOOP. DAG size: 446 [2019-09-18 04:56:37,612 WARN L191 SmtUtils]: Spent 10.92 s on a formula simplification. DAG size of input: 447 DAG size of output: 446 [2019-09-18 04:56:43,035 WARN L191 SmtUtils]: Spent 5.42 s on a formula simplification that was a NOOP. DAG size: 446 [2019-09-18 04:56:53,944 WARN L191 SmtUtils]: Spent 10.91 s on a formula simplification. DAG size of input: 447 DAG size of output: 446 [2019-09-18 04:56:59,384 WARN L191 SmtUtils]: Spent 5.44 s on a formula simplification that was a NOOP. DAG size: 446 [2019-09-18 04:57:10,275 WARN L191 SmtUtils]: Spent 10.89 s on a formula simplification. DAG size of input: 447 DAG size of output: 446 [2019-09-18 04:57:15,704 WARN L191 SmtUtils]: Spent 5.43 s on a formula simplification that was a NOOP. DAG size: 446 [2019-09-18 04:57:26,597 WARN L191 SmtUtils]: Spent 10.89 s on a formula simplification. DAG size of input: 447 DAG size of output: 446 [2019-09-18 04:57:32,014 WARN L191 SmtUtils]: Spent 5.42 s on a formula simplification that was a NOOP. DAG size: 446 [2019-09-18 04:57:50,128 WARN L191 SmtUtils]: Spent 17.97 s on a formula simplification. DAG size of input: 461 DAG size of output: 459 [2019-09-18 04:57:59,077 WARN L191 SmtUtils]: Spent 8.95 s on a formula simplification that was a NOOP. DAG size: 459 [2019-09-18 04:58:26,071 WARN L191 SmtUtils]: Spent 26.92 s on a formula simplification. DAG size of input: 466 DAG size of output: 461 [2019-09-18 04:58:35,102 WARN L191 SmtUtils]: Spent 9.03 s on a formula simplification that was a NOOP. DAG size: 461 [2019-09-18 04:59:02,043 WARN L191 SmtUtils]: Spent 26.94 s on a formula simplification. DAG size of input: 466 DAG size of output: 461 [2019-09-18 04:59:11,025 WARN L191 SmtUtils]: Spent 8.98 s on a formula simplification that was a NOOP. DAG size: 461 [2019-09-18 04:59:27,071 WARN L191 SmtUtils]: Spent 16.00 s on a formula simplification that was a NOOP. DAG size: 481 [2019-09-18 04:59:43,020 WARN L191 SmtUtils]: Spent 15.95 s on a formula simplification that was a NOOP. DAG size: 481 [2019-09-18 05:00:29,132 WARN L191 SmtUtils]: Spent 46.11 s on a formula simplification. DAG size of input: 492 DAG size of output: 492 [2019-09-18 05:00:32,334 WARN L191 SmtUtils]: Spent 2.20 s on a formula simplification. DAG size of input: 460 DAG size of output: 31 [2019-09-18 05:00:32,506 WARN L191 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 43 [2019-09-18 05:00:32,719 WARN L191 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 45 [2019-09-18 05:00:32,957 WARN L191 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 45 [2019-09-18 05:00:33,173 WARN L191 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2019-09-18 05:00:33,307 WARN L191 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2019-09-18 05:00:33,633 WARN L191 SmtUtils]: Spent 323.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 66 [2019-09-18 05:00:52,111 WARN L191 SmtUtils]: Spent 18.06 s on a formula simplification. DAG size of input: 461 DAG size of output: 459 [2019-09-18 05:01:01,121 WARN L191 SmtUtils]: Spent 9.01 s on a formula simplification that was a NOOP. DAG size: 459 [2019-09-18 05:01:29,165 WARN L191 SmtUtils]: Spent 28.00 s on a formula simplification. DAG size of input: 466 DAG size of output: 461 [2019-09-18 05:01:38,408 WARN L191 SmtUtils]: Spent 9.24 s on a formula simplification that was a NOOP. DAG size: 461 [2019-09-18 05:02:05,418 WARN L191 SmtUtils]: Spent 27.01 s on a formula simplification. DAG size of input: 466 DAG size of output: 461 [2019-09-18 05:02:14,465 WARN L191 SmtUtils]: Spent 9.05 s on a formula simplification that was a NOOP. DAG size: 461 [2019-09-18 05:02:30,590 WARN L191 SmtUtils]: Spent 16.09 s on a formula simplification that was a NOOP. DAG size: 481 [2019-09-18 05:02:46,568 WARN L191 SmtUtils]: Spent 15.98 s on a formula simplification that was a NOOP. DAG size: 481 [2019-09-18 05:03:32,529 WARN L191 SmtUtils]: Spent 45.96 s on a formula simplification. DAG size of input: 492 DAG size of output: 492 [2019-09-18 05:03:34,822 WARN L191 SmtUtils]: Spent 2.11 s on a formula simplification. DAG size of input: 460 DAG size of output: 31 [2019-09-18 05:03:34,996 WARN L191 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 43 [2019-09-18 05:03:35,228 WARN L191 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 45 [2019-09-18 05:03:35,435 WARN L191 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 45 [2019-09-18 05:03:35,634 WARN L191 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2019-09-18 05:03:35,765 WARN L191 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2019-09-18 05:03:36,088 WARN L191 SmtUtils]: Spent 322.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 66 [2019-09-18 05:03:36,401 WARN L191 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 45 [2019-09-18 05:03:36,618 WARN L191 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 45 [2019-09-18 05:03:36,933 WARN L191 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 57 [2019-09-18 05:03:37,056 WARN L191 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 57 [2019-09-18 05:03:55,214 WARN L191 SmtUtils]: Spent 18.04 s on a formula simplification. DAG size of input: 461 DAG size of output: 459 [2019-09-18 05:04:04,213 WARN L191 SmtUtils]: Spent 9.00 s on a formula simplification that was a NOOP. DAG size: 459 [2019-09-18 05:04:31,811 WARN L191 SmtUtils]: Spent 27.55 s on a formula simplification. DAG size of input: 466 DAG size of output: 461 [2019-09-18 05:04:40,850 WARN L191 SmtUtils]: Spent 9.04 s on a formula simplification that was a NOOP. DAG size: 461 [2019-09-18 05:05:07,786 WARN L191 SmtUtils]: Spent 26.93 s on a formula simplification. DAG size of input: 466 DAG size of output: 461 [2019-09-18 05:05:16,822 WARN L191 SmtUtils]: Spent 9.03 s on a formula simplification that was a NOOP. DAG size: 461 [2019-09-18 05:05:32,845 WARN L191 SmtUtils]: Spent 16.00 s on a formula simplification that was a NOOP. DAG size: 481 [2019-09-18 05:05:48,757 WARN L191 SmtUtils]: Spent 15.91 s on a formula simplification that was a NOOP. DAG size: 481 [2019-09-18 05:06:34,819 WARN L191 SmtUtils]: Spent 46.06 s on a formula simplification. DAG size of input: 492 DAG size of output: 492 [2019-09-18 05:06:37,219 WARN L191 SmtUtils]: Spent 2.21 s on a formula simplification. DAG size of input: 460 DAG size of output: 31 [2019-09-18 05:06:37,412 WARN L191 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 43 [2019-09-18 05:06:37,639 WARN L191 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 45 [2019-09-18 05:06:37,833 WARN L191 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 45 [2019-09-18 05:06:38,032 WARN L191 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2019-09-18 05:06:38,165 WARN L191 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2019-09-18 05:06:38,494 WARN L191 SmtUtils]: Spent 327.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 66 [2019-09-18 05:06:38,775 WARN L191 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 39 [2019-09-18 05:06:39,021 WARN L191 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2019-09-18 05:06:57,351 WARN L191 SmtUtils]: Spent 18.12 s on a formula simplification. DAG size of input: 461 DAG size of output: 459 [2019-09-18 05:07:06,337 WARN L191 SmtUtils]: Spent 8.98 s on a formula simplification that was a NOOP. DAG size: 459 [2019-09-18 05:07:33,490 WARN L191 SmtUtils]: Spent 27.10 s on a formula simplification. DAG size of input: 466 DAG size of output: 461 [2019-09-18 05:07:42,514 WARN L191 SmtUtils]: Spent 9.02 s on a formula simplification that was a NOOP. DAG size: 461