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 LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid NeverFluid --sifa.intern.fluid NeverFluid --sifa.simplification.technique SIMPLIFY_DDA -i ../../../trunk/examples/svcomp/product-lines/minepump_spec4_product01.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-efa34d5 [2019-09-19 23:26:46,142 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-19 23:26:46,144 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-19 23:26:46,155 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-19 23:26:46,155 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-19 23:26:46,156 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-19 23:26:46,157 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-19 23:26:46,159 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-19 23:26:46,161 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-19 23:26:46,162 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-19 23:26:46,163 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-19 23:26:46,164 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-19 23:26:46,164 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-19 23:26:46,165 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-19 23:26:46,166 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-19 23:26:46,167 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-19 23:26:46,168 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-19 23:26:46,169 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-19 23:26:46,170 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-19 23:26:46,172 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-19 23:26:46,174 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-19 23:26:46,175 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-19 23:26:46,176 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-19 23:26:46,177 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-19 23:26:46,179 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-19 23:26:46,179 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-19 23:26:46,179 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-19 23:26:46,180 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-19 23:26:46,180 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-19 23:26:46,181 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-19 23:26:46,182 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-19 23:26:46,182 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-19 23:26:46,183 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-19 23:26:46,184 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-19 23:26:46,185 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-19 23:26:46,185 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-19 23:26:46,185 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-19 23:26:46,186 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-19 23:26:46,186 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-19 23:26:46,187 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-19 23:26:46,187 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-19 23:26:46,188 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 [2019-09-19 23:26:46,208 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-19 23:26:46,209 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-19 23:26:46,211 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-19 23:26:46,212 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-19 23:26:46,212 INFO L138 SettingsManager]: * Use SBE=true [2019-09-19 23:26:46,212 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-19 23:26:46,212 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-19 23:26:46,213 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-19 23:26:46,213 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-19 23:26:46,213 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-19 23:26:46,214 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-19 23:26:46,214 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-19 23:26:46,215 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-19 23:26:46,215 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-19 23:26:46,215 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-19 23:26:46,215 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-19 23:26:46,216 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-19 23:26:46,216 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-19 23:26:46,216 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-19 23:26:46,216 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-19 23:26:46,217 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-19 23:26:46,217 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-19 23:26:46,217 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-19 23:26:46,217 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-19 23:26:46,218 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-19 23:26:46,218 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-19 23:26:46,218 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-19 23:26:46,218 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-19 23:26:46,218 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 -> 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 -> NeverFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Intern Fluid -> NeverFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_DDA [2019-09-19 23:26:46,266 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-19 23:26:46,279 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-19 23:26:46,282 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-19 23:26:46,284 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-19 23:26:46,284 INFO L275 PluginConnector]: CDTParser initialized [2019-09-19 23:26:46,285 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product01.cil.c [2019-09-19 23:26:46,343 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ebc2caf37/b651e39c30c74187ae705b408284f4b6/FLAG558937785 [2019-09-19 23:26:46,817 INFO L306 CDTParser]: Found 1 translation units. [2019-09-19 23:26:46,817 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec4_product01.cil.c [2019-09-19 23:26:46,830 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ebc2caf37/b651e39c30c74187ae705b408284f4b6/FLAG558937785 [2019-09-19 23:26:47,161 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ebc2caf37/b651e39c30c74187ae705b408284f4b6 [2019-09-19 23:26:47,170 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-19 23:26:47,171 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-19 23:26:47,172 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-19 23:26:47,173 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-19 23:26:47,176 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-19 23:26:47,177 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.09 11:26:47" (1/1) ... [2019-09-19 23:26:47,180 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1a67fb1c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 11:26:47, skipping insertion in model container [2019-09-19 23:26:47,180 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.09 11:26:47" (1/1) ... [2019-09-19 23:26:47,188 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-19 23:26:47,244 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-19 23:26:47,678 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-19 23:26:47,691 INFO L188 MainTranslator]: Completed pre-run [2019-09-19 23:26:47,773 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-19 23:26:47,807 INFO L192 MainTranslator]: Completed translation [2019-09-19 23:26:47,807 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 11:26:47 WrapperNode [2019-09-19 23:26:47,807 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-19 23:26:47,808 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-19 23:26:47,808 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-19 23:26:47,809 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-19 23:26:47,822 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 11:26:47" (1/1) ... [2019-09-19 23:26:47,822 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 11:26:47" (1/1) ... [2019-09-19 23:26:47,839 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 11:26:47" (1/1) ... [2019-09-19 23:26:47,839 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 11:26:47" (1/1) ... [2019-09-19 23:26:47,868 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 11:26:47" (1/1) ... [2019-09-19 23:26:47,877 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 11:26:47" (1/1) ... [2019-09-19 23:26:47,882 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 11:26:47" (1/1) ... [2019-09-19 23:26:47,890 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-19 23:26:47,890 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-19 23:26:47,891 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-19 23:26:47,891 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-19 23:26:47,892 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 11:26:47" (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 [2019-09-19 23:26:47,971 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-19 23:26:47,971 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-19 23:26:47,972 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-19 23:26:47,972 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-19 23:26:47,973 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-19 23:26:47,973 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-19 23:26:47,974 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-19 23:26:47,974 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-19 23:26:47,974 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-19 23:26:47,974 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-19 23:26:47,974 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-19 23:26:47,975 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-19 23:26:47,975 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-19 23:26:47,975 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-19 23:26:47,976 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-19 23:26:47,976 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-19 23:26:47,978 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-19 23:26:47,979 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-19 23:26:47,979 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-19 23:26:47,979 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-19 23:26:47,979 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-19 23:26:47,979 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-19 23:26:47,979 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-19 23:26:47,980 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-19 23:26:47,980 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-19 23:26:47,980 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-19 23:26:47,980 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-19 23:26:47,980 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2019-09-19 23:26:47,980 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-19 23:26:47,981 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-19 23:26:47,981 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-19 23:26:47,981 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-19 23:26:47,982 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-19 23:26:47,982 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-19 23:26:47,982 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-19 23:26:47,982 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-19 23:26:47,982 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-19 23:26:47,982 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-19 23:26:47,983 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-19 23:26:47,983 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-19 23:26:47,983 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-19 23:26:47,983 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-19 23:26:47,983 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-19 23:26:47,983 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-19 23:26:47,983 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-19 23:26:47,986 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-19 23:26:47,987 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-19 23:26:47,987 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-19 23:26:47,988 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-19 23:26:47,988 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-19 23:26:47,988 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-19 23:26:47,988 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-19 23:26:47,988 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-19 23:26:47,989 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-19 23:26:47,989 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-19 23:26:47,989 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-19 23:26:47,990 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-19 23:26:47,990 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-19 23:26:47,990 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2019-09-19 23:26:47,990 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-19 23:26:47,991 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-19 23:26:47,991 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-19 23:26:47,991 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-19 23:26:47,991 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-19 23:26:47,991 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-19 23:26:47,991 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-19 23:26:47,992 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-19 23:26:47,992 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-19 23:26:47,992 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-19 23:26:47,992 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-19 23:26:47,992 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-19 23:26:47,992 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-19 23:26:47,993 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-19 23:26:47,993 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-19 23:26:47,994 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-19 23:26:47,994 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-19 23:26:47,995 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-19 23:26:47,995 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-19 23:26:47,996 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-19 23:26:47,996 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-19 23:26:47,996 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-19 23:26:47,997 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-19 23:26:49,668 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-19 23:26:49,668 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-19 23:26:49,670 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.09 11:26:49 BoogieIcfgContainer [2019-09-19 23:26:49,670 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-19 23:26:49,671 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-19 23:26:49,671 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-19 23:26:49,671 INFO L275 PluginConnector]: Sifa initialized [2019-09-19 23:26:49,672 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.09 11:26:49" (1/1) ... [2019-09-19 23:26:49,673 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=ExplicitValueDomain ♦ Abstract when formula's dag size exceeds (negative numbers disable this limit)=-1 ♦ Fluid=NeverFluid ♦ 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=NeverFluid [2019-09-19 23:26:49,701 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-19 23:26:49,701 INFO L169 IcfgInterpreter]: Building call graph [2019-09-19 23:26:49,715 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-19 23:26:49,725 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-19 23:26:49,726 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-19 23:27:12,520 WARN L191 SmtUtils]: Spent 13.61 s on a formula simplification that was a NOOP. DAG size: 464 [2019-09-19 23:27:14,034 WARN L191 SmtUtils]: Spent 397.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-09-19 23:27:17,725 WARN L191 SmtUtils]: Spent 3.68 s on a formula simplification. DAG size of input: 472 DAG size of output: 422 [2019-09-19 23:27:19,443 WARN L191 SmtUtils]: Spent 1.71 s on a formula simplification that was a NOOP. DAG size: 422 [2019-09-19 23:27:21,191 WARN L191 SmtUtils]: Spent 1.75 s on a formula simplification that was a NOOP. DAG size: 422 [2019-09-19 23:27:21,206 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 426 for LOIs [2019-09-19 23:27:21,270 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 426 for LOIs [2019-09-19 23:27:21,276 INFO L199 IcfgInterpreter]: Interpreting procedure test with input of size 426 for LOIs [2019-09-19 23:27:32,023 WARN L191 SmtUtils]: Spent 10.65 s on a formula simplification. DAG size of input: 447 DAG size of output: 443 [2019-09-19 23:27:37,342 WARN L191 SmtUtils]: Spent 5.32 s on a formula simplification that was a NOOP. DAG size: 443 [2019-09-19 23:27:48,453 WARN L191 SmtUtils]: Spent 10.87 s on a formula simplification. DAG size of input: 463 DAG size of output: 459 [2019-09-19 23:27:53,855 WARN L191 SmtUtils]: Spent 5.40 s on a formula simplification that was a NOOP. DAG size: 459 [2019-09-19 23:28:00,812 WARN L191 SmtUtils]: Spent 6.94 s on a formula simplification that was a NOOP. DAG size: 462 [2019-09-19 23:28:07,716 WARN L191 SmtUtils]: Spent 6.90 s on a formula simplification that was a NOOP. DAG size: 462 [2019-09-19 23:28:30,015 WARN L191 SmtUtils]: Spent 22.24 s on a formula simplification. DAG size of input: 471 DAG size of output: 463 [2019-09-19 23:28:36,876 WARN L191 SmtUtils]: Spent 6.86 s on a formula simplification that was a NOOP. DAG size: 463 [2019-09-19 23:28:42,746 WARN L191 SmtUtils]: Spent 5.83 s on a formula simplification. DAG size of input: 467 DAG size of output: 456 [2019-09-19 23:28:44,708 WARN L191 SmtUtils]: Spent 1.96 s on a formula simplification that was a NOOP. DAG size: 456 [2019-09-19 23:28:55,589 WARN L191 SmtUtils]: Spent 10.86 s on a formula simplification. DAG size of input: 468 DAG size of output: 460 [2019-09-19 23:29:00,996 WARN L191 SmtUtils]: Spent 5.41 s on a formula simplification that was a NOOP. DAG size: 460 [2019-09-19 23:29:30,057 WARN L191 SmtUtils]: Spent 29.00 s on a formula simplification. DAG size of input: 472 DAG size of output: 463 [2019-09-19 23:29:38,590 WARN L191 SmtUtils]: Spent 8.53 s on a formula simplification that was a NOOP. DAG size: 463 [2019-09-19 23:29:48,285 WARN L191 SmtUtils]: Spent 9.65 s on a formula simplification. DAG size of input: 471 DAG size of output: 457 [2019-09-19 23:29:50,303 WARN L191 SmtUtils]: Spent 2.02 s on a formula simplification that was a NOOP. DAG size: 457 [2019-09-19 23:30:07,807 WARN L191 SmtUtils]: Spent 17.39 s on a formula simplification. DAG size of input: 468 DAG size of output: 462 [2019-09-19 23:30:16,289 WARN L191 SmtUtils]: Spent 8.48 s on a formula simplification that was a NOOP. DAG size: 462 [2019-09-19 23:30:23,818 WARN L191 SmtUtils]: Spent 7.42 s on a formula simplification. DAG size of input: 475 DAG size of output: 454 [2019-09-19 23:30:25,666 WARN L191 SmtUtils]: Spent 1.85 s on a formula simplification that was a NOOP. DAG size: 454 [2019-09-19 23:30:29,454 WARN L191 SmtUtils]: Spent 3.75 s on a formula simplification. DAG size of input: 458 DAG size of output: 453 [2019-09-19 23:30:31,318 WARN L191 SmtUtils]: Spent 1.86 s on a formula simplification that was a NOOP. DAG size: 453 [2019-09-19 23:30:38,916 WARN L191 SmtUtils]: Spent 7.58 s on a formula simplification. DAG size of input: 478 DAG size of output: 457 [2019-09-19 23:30:40,863 WARN L191 SmtUtils]: Spent 1.94 s on a formula simplification that was a NOOP. DAG size: 457 [2019-09-19 23:30:52,536 WARN L191 SmtUtils]: Spent 11.65 s on a formula simplification. DAG size of input: 460 DAG size of output: 452 [2019-09-19 23:30:54,419 WARN L191 SmtUtils]: Spent 1.88 s on a formula simplification that was a NOOP. DAG size: 452 [2019-09-19 23:30:58,206 WARN L191 SmtUtils]: Spent 3.77 s on a formula simplification. DAG size of input: 458 DAG size of output: 453 [2019-09-19 23:31:00,050 WARN L191 SmtUtils]: Spent 1.84 s on a formula simplification that was a NOOP. DAG size: 453 [2019-09-19 23:31:03,877 WARN L191 SmtUtils]: Spent 3.82 s on a formula simplification. DAG size of input: 457 DAG size of output: 456 [2019-09-19 23:31:05,783 WARN L191 SmtUtils]: Spent 1.90 s on a formula simplification that was a NOOP. DAG size: 456 [2019-09-19 23:31:18,132 WARN L191 SmtUtils]: Spent 12.27 s on a formula simplification. DAG size of input: 473 DAG size of output: 461 [2019-09-19 23:31:23,346 WARN L191 SmtUtils]: Spent 5.21 s on a formula simplification that was a NOOP. DAG size: 461 [2019-09-19 23:31:32,943 WARN L191 SmtUtils]: Spent 9.50 s on a formula simplification. DAG size of input: 482 DAG size of output: 459 [2019-09-19 23:31:34,985 WARN L191 SmtUtils]: Spent 2.04 s on a formula simplification that was a NOOP. DAG size: 459 [2019-09-19 23:31:44,450 WARN L191 SmtUtils]: Spent 9.46 s on a formula simplification. DAG size of input: 482 DAG size of output: 459 [2019-09-19 23:31:46,408 WARN L191 SmtUtils]: Spent 1.96 s on a formula simplification that was a NOOP. DAG size: 459 [2019-09-19 23:31:55,911 WARN L191 SmtUtils]: Spent 9.50 s on a formula simplification. DAG size of input: 482 DAG size of output: 459 [2019-09-19 23:31:57,896 WARN L191 SmtUtils]: Spent 1.98 s on a formula simplification that was a NOOP. DAG size: 459 [2019-09-19 23:32:07,391 WARN L191 SmtUtils]: Spent 9.49 s on a formula simplification. DAG size of input: 482 DAG size of output: 459 [2019-09-19 23:32:09,405 WARN L191 SmtUtils]: Spent 2.01 s on a formula simplification that was a NOOP. DAG size: 459 [2019-09-19 23:32:18,863 WARN L191 SmtUtils]: Spent 9.46 s on a formula simplification. DAG size of input: 482 DAG size of output: 459 [2019-09-19 23:32:20,873 WARN L191 SmtUtils]: Spent 2.01 s on a formula simplification that was a NOOP. DAG size: 459 [2019-09-19 23:32:31,351 WARN L191 SmtUtils]: Spent 10.43 s on a formula simplification. DAG size of input: 464 DAG size of output: 453 [2019-09-19 23:32:36,493 WARN L191 SmtUtils]: Spent 5.14 s on a formula simplification that was a NOOP. DAG size: 453 [2019-09-19 23:32:47,469 WARN L191 SmtUtils]: Spent 10.95 s on a formula simplification. DAG size of input: 461 DAG size of output: 455 [2019-09-19 23:32:52,943 WARN L191 SmtUtils]: Spent 5.47 s on a formula simplification that was a NOOP. DAG size: 455 [2019-09-19 23:33:05,926 WARN L191 SmtUtils]: Spent 12.96 s on a formula simplification. DAG size of input: 465 DAG size of output: 457 [2019-09-19 23:33:07,900 WARN L191 SmtUtils]: Spent 1.97 s on a formula simplification that was a NOOP. DAG size: 457 [2019-09-19 23:33:18,526 WARN L191 SmtUtils]: Spent 10.58 s on a formula simplification. DAG size of input: 464 DAG size of output: 453 [2019-09-19 23:33:23,771 WARN L191 SmtUtils]: Spent 5.24 s on a formula simplification that was a NOOP. DAG size: 453 [2019-09-19 23:33:34,725 WARN L191 SmtUtils]: Spent 10.93 s on a formula simplification. DAG size of input: 461 DAG size of output: 455 [2019-09-19 23:33:40,183 WARN L191 SmtUtils]: Spent 5.46 s on a formula simplification that was a NOOP. DAG size: 455 [2019-09-19 23:33:50,986 WARN L191 SmtUtils]: Spent 10.80 s on a formula simplification. DAG size of input: 467 DAG size of output: 461 [2019-09-19 23:33:56,379 WARN L191 SmtUtils]: Spent 5.39 s on a formula simplification that was a NOOP. DAG size: 461 [2019-09-19 23:34:17,446 WARN L191 SmtUtils]: Spent 21.06 s on a formula simplification. DAG size of input: 472 DAG size of output: 471 [2019-09-19 23:34:27,912 WARN L191 SmtUtils]: Spent 10.46 s on a formula simplification that was a NOOP. DAG size: 471 [2019-09-19 23:34:38,420 WARN L191 SmtUtils]: Spent 10.41 s on a formula simplification. DAG size of input: 464 DAG size of output: 453 [2019-09-19 23:34:43,594 WARN L191 SmtUtils]: Spent 5.17 s on a formula simplification that was a NOOP. DAG size: 453 [2019-09-19 23:34:51,105 WARN L191 SmtUtils]: Spent 7.49 s on a formula simplification. DAG size of input: 462 DAG size of output: 454 [2019-09-19 23:34:52,958 WARN L191 SmtUtils]: Spent 1.85 s on a formula simplification that was a NOOP. DAG size: 454 [2019-09-19 23:35:04,310 WARN L191 SmtUtils]: Spent 11.33 s on a formula simplification. DAG size of input: 464 DAG size of output: 457 [2019-09-19 23:35:06,302 WARN L191 SmtUtils]: Spent 1.99 s on a formula simplification that was a NOOP. DAG size: 457 [2019-09-19 23:35:16,771 WARN L191 SmtUtils]: Spent 10.44 s on a formula simplification. DAG size of input: 464 DAG size of output: 453 [2019-09-19 23:35:21,926 WARN L191 SmtUtils]: Spent 5.15 s on a formula simplification that was a NOOP. DAG size: 453 [2019-09-19 23:35:29,454 WARN L191 SmtUtils]: Spent 7.50 s on a formula simplification. DAG size of input: 462 DAG size of output: 454 [2019-09-19 23:35:31,270 WARN L191 SmtUtils]: Spent 1.81 s on a formula simplification that was a NOOP. DAG size: 454 [2019-09-19 23:35:42,126 WARN L191 SmtUtils]: Spent 10.85 s on a formula simplification. DAG size of input: 467 DAG size of output: 461 [2019-09-19 23:35:47,517 WARN L191 SmtUtils]: Spent 5.39 s on a formula simplification that was a NOOP. DAG size: 461 [2019-09-19 23:36:09,957 WARN L191 SmtUtils]: Spent 22.43 s on a formula simplification. DAG size of input: 481 DAG size of output: 471 [2019-09-19 23:36:20,274 WARN L191 SmtUtils]: Spent 10.32 s on a formula simplification that was a NOOP. DAG size: 471 [2019-09-19 23:36:45,682 WARN L191 SmtUtils]: Spent 25.37 s on a formula simplification. DAG size of input: 486 DAG size of output: 469 [2019-09-19 23:36:45,795 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2019-09-19 23:36:56,365 WARN L191 SmtUtils]: Spent 10.52 s on a formula simplification. DAG size of input: 464 DAG size of output: 453 [2019-09-19 23:37:01,625 WARN L191 SmtUtils]: Spent 5.26 s on a formula simplification that was a NOOP. DAG size: 453 [2019-09-19 23:37:09,759 WARN L191 SmtUtils]: Spent 8.12 s on a formula simplification. DAG size of input: 462 DAG size of output: 454 [2019-09-19 23:37:11,701 WARN L191 SmtUtils]: Spent 1.94 s on a formula simplification that was a NOOP. DAG size: 454 [2019-09-19 23:37:23,444 WARN L191 SmtUtils]: Spent 11.73 s on a formula simplification. DAG size of input: 464 DAG size of output: 457 [2019-09-19 23:37:25,504 WARN L191 SmtUtils]: Spent 2.06 s on a formula simplification that was a NOOP. DAG size: 457 [2019-09-19 23:37:36,137 WARN L191 SmtUtils]: Spent 10.60 s on a formula simplification. DAG size of input: 464 DAG size of output: 453 [2019-09-19 23:37:41,370 WARN L191 SmtUtils]: Spent 5.23 s on a formula simplification that was a NOOP. DAG size: 453 [2019-09-19 23:37:48,889 WARN L191 SmtUtils]: Spent 7.49 s on a formula simplification. DAG size of input: 462 DAG size of output: 454 [2019-09-19 23:37:50,743 WARN L191 SmtUtils]: Spent 1.85 s on a formula simplification that was a NOOP. DAG size: 454 [2019-09-19 23:38:01,605 WARN L191 SmtUtils]: Spent 10.85 s on a formula simplification. DAG size of input: 467 DAG size of output: 461 [2019-09-19 23:38:06,944 WARN L191 SmtUtils]: Spent 5.34 s on a formula simplification that was a NOOP. DAG size: 461 [2019-09-19 23:38:27,921 WARN L191 SmtUtils]: Spent 20.96 s on a formula simplification. DAG size of input: 472 DAG size of output: 471 [2019-09-19 23:38:38,404 WARN L191 SmtUtils]: Spent 10.48 s on a formula simplification that was a NOOP. DAG size: 471 [2019-09-19 23:38:48,868 WARN L191 SmtUtils]: Spent 10.40 s on a formula simplification. DAG size of input: 464 DAG size of output: 453 [2019-09-19 23:38:54,098 WARN L191 SmtUtils]: Spent 5.23 s on a formula simplification that was a NOOP. DAG size: 453 [2019-09-19 23:39:01,718 WARN L191 SmtUtils]: Spent 7.60 s on a formula simplification. DAG size of input: 462 DAG size of output: 454 [2019-09-19 23:39:03,545 WARN L191 SmtUtils]: Spent 1.83 s on a formula simplification that was a NOOP. DAG size: 454 [2019-09-19 23:39:14,762 WARN L191 SmtUtils]: Spent 11.20 s on a formula simplification. DAG size of input: 464 DAG size of output: 457 [2019-09-19 23:39:16,730 WARN L191 SmtUtils]: Spent 1.97 s on a formula simplification that was a NOOP. DAG size: 457 [2019-09-19 23:39:27,291 WARN L191 SmtUtils]: Spent 10.54 s on a formula simplification. DAG size of input: 464 DAG size of output: 453 [2019-09-19 23:39:32,542 WARN L191 SmtUtils]: Spent 5.25 s on a formula simplification that was a NOOP. DAG size: 453 [2019-09-19 23:39:40,238 WARN L191 SmtUtils]: Spent 7.68 s on a formula simplification. DAG size of input: 462 DAG size of output: 454 [2019-09-19 23:39:42,135 WARN L191 SmtUtils]: Spent 1.90 s on a formula simplification that was a NOOP. DAG size: 454 [2019-09-19 23:39:52,953 WARN L191 SmtUtils]: Spent 10.81 s on a formula simplification. DAG size of input: 467 DAG size of output: 461 [2019-09-19 23:39:58,363 WARN L191 SmtUtils]: Spent 5.41 s on a formula simplification that was a NOOP. DAG size: 461