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 CompoundDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/product-lines/minepump_spec4_product31.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-21 10:04:04,138 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-21 10:04:04,140 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-21 10:04:04,160 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-21 10:04:04,160 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-21 10:04:04,162 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-21 10:04:04,164 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-21 10:04:04,178 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-21 10:04:04,179 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-21 10:04:04,181 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-21 10:04:04,182 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-21 10:04:04,185 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-21 10:04:04,185 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-21 10:04:04,189 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-21 10:04:04,191 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-21 10:04:04,193 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-21 10:04:04,194 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-21 10:04:04,197 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-21 10:04:04,200 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-21 10:04:04,204 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-21 10:04:04,208 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-21 10:04:04,211 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-21 10:04:04,212 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-21 10:04:04,213 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-21 10:04:04,215 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-21 10:04:04,215 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-21 10:04:04,216 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-21 10:04:04,217 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-21 10:04:04,217 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-21 10:04:04,218 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-21 10:04:04,218 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-21 10:04:04,221 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-21 10:04:04,221 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-21 10:04:04,222 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-21 10:04:04,225 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-21 10:04:04,226 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-21 10:04:04,227 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-21 10:04:04,227 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-21 10:04:04,227 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-21 10:04:04,228 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-21 10:04:04,229 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-21 10:04:04,230 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 [2019-09-21 10:04:04,252 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-21 10:04:04,253 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-21 10:04:04,257 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-21 10:04:04,257 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-21 10:04:04,258 INFO L138 SettingsManager]: * Use SBE=true [2019-09-21 10:04:04,258 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-21 10:04:04,258 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-21 10:04:04,258 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-21 10:04:04,258 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-21 10:04:04,259 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-21 10:04:04,260 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-21 10:04:04,260 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-21 10:04:04,260 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-21 10:04:04,261 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-21 10:04:04,261 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-21 10:04:04,261 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-21 10:04:04,261 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-21 10:04:04,262 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-21 10:04:04,262 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-21 10:04:04,262 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-21 10:04:04,263 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-21 10:04:04,263 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-21 10:04:04,264 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-21 10:04:04,264 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-21 10:04:04,264 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-21 10:04:04,265 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-21 10:04:04,265 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-21 10:04:04,265 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-21 10:04:04,265 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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: Intern Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK [2019-09-21 10:04:04,304 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-21 10:04:04,317 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-21 10:04:04,321 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-21 10:04:04,322 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-21 10:04:04,323 INFO L275 PluginConnector]: CDTParser initialized [2019-09-21 10:04:04,323 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product31.cil.c [2019-09-21 10:04:04,388 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2db7080c4/078d5766b5dc406291def2f6a8bb9efe/FLAG72d86c4ba [2019-09-21 10:04:04,865 INFO L306 CDTParser]: Found 1 translation units. [2019-09-21 10:04:04,866 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec4_product31.cil.c [2019-09-21 10:04:04,879 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2db7080c4/078d5766b5dc406291def2f6a8bb9efe/FLAG72d86c4ba [2019-09-21 10:04:05,227 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2db7080c4/078d5766b5dc406291def2f6a8bb9efe [2019-09-21 10:04:05,238 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-21 10:04:05,239 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-21 10:04:05,240 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-21 10:04:05,240 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-21 10:04:05,243 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-21 10:04:05,244 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 10:04:05" (1/1) ... [2019-09-21 10:04:05,246 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@72966280 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 10:04:05, skipping insertion in model container [2019-09-21 10:04:05,246 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 10:04:05" (1/1) ... [2019-09-21 10:04:05,252 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-21 10:04:05,316 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-21 10:04:05,795 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-21 10:04:05,820 INFO L188 MainTranslator]: Completed pre-run [2019-09-21 10:04:05,940 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-21 10:04:05,986 INFO L192 MainTranslator]: Completed translation [2019-09-21 10:04:05,986 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 10:04:05 WrapperNode [2019-09-21 10:04:05,987 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-21 10:04:05,988 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-21 10:04:05,988 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-21 10:04:05,988 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-21 10:04:05,999 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 10:04:05" (1/1) ... [2019-09-21 10:04:05,999 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 10:04:05" (1/1) ... [2019-09-21 10:04:06,022 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 10:04:05" (1/1) ... [2019-09-21 10:04:06,022 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 10:04:05" (1/1) ... [2019-09-21 10:04:06,049 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 10:04:05" (1/1) ... [2019-09-21 10:04:06,066 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 10:04:05" (1/1) ... [2019-09-21 10:04:06,075 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 10:04:05" (1/1) ... [2019-09-21 10:04:06,083 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-21 10:04:06,084 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-21 10:04:06,084 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-21 10:04:06,084 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-21 10:04:06,085 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 10:04:05" (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 [2019-09-21 10:04:06,155 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-21 10:04:06,155 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-21 10:04:06,155 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-21 10:04:06,156 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-21 10:04:06,157 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-21 10:04:06,157 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-21 10:04:06,157 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-21 10:04:06,158 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-21 10:04:06,158 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-21 10:04:06,158 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-21 10:04:06,158 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-21 10:04:06,159 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-21 10:04:06,159 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-21 10:04:06,159 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-21 10:04:06,160 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-21 10:04:06,160 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-21 10:04:06,162 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-21 10:04:06,162 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-21 10:04:06,162 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-21 10:04:06,162 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-21 10:04:06,163 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-21 10:04:06,163 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-21 10:04:06,163 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-21 10:04:06,163 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-21 10:04:06,163 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-09-21 10:04:06,164 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-21 10:04:06,164 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-21 10:04:06,164 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-09-21 10:04:06,164 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2019-09-21 10:04:06,164 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-21 10:04:06,164 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2019-09-21 10:04:06,164 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-21 10:04:06,165 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-21 10:04:06,165 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-21 10:04:06,165 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-21 10:04:06,166 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-21 10:04:06,166 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-09-21 10:04:06,166 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-09-21 10:04:06,166 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2019-09-21 10:04:06,166 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-21 10:04:06,166 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-21 10:04:06,167 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-21 10:04:06,167 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-21 10:04:06,167 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-21 10:04:06,167 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-21 10:04:06,167 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-21 10:04:06,167 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-21 10:04:06,168 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-21 10:04:06,168 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-21 10:04:06,168 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-21 10:04:06,168 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-21 10:04:06,168 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-21 10:04:06,168 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-21 10:04:06,168 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-21 10:04:06,169 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-21 10:04:06,169 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-21 10:04:06,169 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-21 10:04:06,169 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-21 10:04:06,169 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-21 10:04:06,170 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-21 10:04:06,170 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-21 10:04:06,170 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-21 10:04:06,170 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-21 10:04:06,171 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-21 10:04:06,171 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-21 10:04:06,171 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-21 10:04:06,171 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-21 10:04:06,171 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-21 10:04:06,172 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-21 10:04:06,172 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-21 10:04:06,172 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-21 10:04:06,172 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-21 10:04:06,172 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-21 10:04:06,173 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-21 10:04:06,173 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-21 10:04:06,173 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-21 10:04:06,174 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-21 10:04:06,174 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-21 10:04:06,174 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-09-21 10:04:06,175 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-09-21 10:04:06,175 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-21 10:04:06,176 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-21 10:04:06,176 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-21 10:04:06,176 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2019-09-21 10:04:06,176 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-21 10:04:06,176 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-09-21 10:04:06,176 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-09-21 10:04:06,177 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2019-09-21 10:04:06,177 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-21 10:04:06,178 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2019-09-21 10:04:06,178 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-21 10:04:06,178 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-21 10:04:06,178 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-21 10:04:06,178 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-21 10:04:08,027 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-21 10:04:08,027 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-21 10:04:08,028 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 10:04:08 BoogieIcfgContainer [2019-09-21 10:04:08,029 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-21 10:04:08,029 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-21 10:04:08,029 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-21 10:04:08,030 INFO L275 PluginConnector]: Sifa initialized [2019-09-21 10:04:08,031 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 10:04:08" (1/1) ... [2019-09-21 10:04:08,031 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=CompoundDomain ♦ 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_QUICK ♦ Intern Fluid=SizeLimitFluid [2019-09-21 10:04:08,056 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-21 10:04:08,057 INFO L169 IcfgInterpreter]: Building call graph [2019-09-21 10:04:08,066 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-21 10:04:08,074 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-21 10:04:08,076 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-21 10:04:18,887 WARN L191 SmtUtils]: Spent 365.00 ms on a formula simplification that was a NOOP. DAG size: 464 [2019-09-21 10:04:20,606 WARN L191 SmtUtils]: Spent 454.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-09-21 10:04:20,773 WARN L191 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 472 [2019-09-21 10:04:20,925 WARN L191 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 472 [2019-09-21 10:04:21,052 WARN L191 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 472 [2019-09-21 10:04:21,288 WARN L191 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 540 [2019-09-21 10:04:21,307 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 544 for LOIs [2019-09-21 10:04:21,392 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 542 for LOIs [2019-09-21 10:04:21,400 INFO L199 IcfgInterpreter]: Interpreting procedure test with input of size 540 for LOIs [2019-09-21 10:04:21,671 WARN L191 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 544 [2019-09-21 10:04:21,857 WARN L191 SmtUtils]: Spent 183.00 ms on a formula simplification that was a NOOP. DAG size: 544 [2019-09-21 10:04:22,435 WARN L191 SmtUtils]: Spent 514.00 ms on a formula simplification that was a NOOP. DAG size: 558 [2019-09-21 10:04:22,839 WARN L191 SmtUtils]: Spent 401.00 ms on a formula simplification that was a NOOP. DAG size: 558 [2019-09-21 10:04:23,449 WARN L191 SmtUtils]: Spent 567.00 ms on a formula simplification. DAG size of input: 575 DAG size of output: 575 [2019-09-21 10:04:23,862 WARN L191 SmtUtils]: Spent 411.00 ms on a formula simplification that was a NOOP. DAG size: 558 [2019-09-21 10:04:24,195 WARN L191 SmtUtils]: Spent 331.00 ms on a formula simplification that was a NOOP. DAG size: 558 [2019-09-21 10:04:24,538 WARN L191 SmtUtils]: Spent 326.00 ms on a formula simplification. DAG size of input: 575 DAG size of output: 575 [2019-09-21 10:04:24,848 WARN L191 SmtUtils]: Spent 308.00 ms on a formula simplification that was a NOOP. DAG size: 558 [2019-09-21 10:04:25,146 WARN L191 SmtUtils]: Spent 295.00 ms on a formula simplification that was a NOOP. DAG size: 558 [2019-09-21 10:04:25,522 WARN L191 SmtUtils]: Spent 362.00 ms on a formula simplification. DAG size of input: 575 DAG size of output: 575 [2019-09-21 10:04:25,803 WARN L191 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 558 [2019-09-21 10:04:26,092 WARN L191 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 558 [2019-09-21 10:04:26,407 WARN L191 SmtUtils]: Spent 301.00 ms on a formula simplification. DAG size of input: 575 DAG size of output: 575 [2019-09-21 10:04:26,733 WARN L191 SmtUtils]: Spent 324.00 ms on a formula simplification that was a NOOP. DAG size: 558 [2019-09-21 10:04:27,061 WARN L191 SmtUtils]: Spent 326.00 ms on a formula simplification that was a NOOP. DAG size: 558 [2019-09-21 10:04:27,360 WARN L191 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 575 DAG size of output: 575 [2019-09-21 10:04:28,059 WARN L191 SmtUtils]: Spent 644.00 ms on a formula simplification. DAG size of input: 594 DAG size of output: 594 [2019-09-21 10:04:28,672 WARN L191 SmtUtils]: Spent 611.00 ms on a formula simplification that was a NOOP. DAG size: 594 [2019-09-21 10:04:29,322 WARN L191 SmtUtils]: Spent 590.00 ms on a formula simplification. DAG size of input: 595 DAG size of output: 593 [2019-09-21 10:04:29,941 WARN L191 SmtUtils]: Spent 577.00 ms on a formula simplification that was a NOOP. DAG size: 606 [2019-09-21 10:04:30,489 WARN L191 SmtUtils]: Spent 545.00 ms on a formula simplification that was a NOOP. DAG size: 606 [2019-09-21 10:04:31,734 WARN L191 SmtUtils]: Spent 1.13 s on a formula simplification. DAG size of input: 607 DAG size of output: 607 [2019-09-21 10:04:32,632 WARN L191 SmtUtils]: Spent 484.00 ms on a formula simplification. DAG size of input: 615 DAG size of output: 615 [2019-09-21 10:04:33,023 WARN L191 SmtUtils]: Spent 389.00 ms on a formula simplification that was a NOOP. DAG size: 615 [2019-09-21 10:04:33,485 WARN L191 SmtUtils]: Spent 379.00 ms on a formula simplification. DAG size of input: 616 DAG size of output: 616 [2019-09-21 10:04:33,800 WARN L191 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 618 DAG size of output: 615 [2019-09-21 10:04:33,941 WARN L191 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 615 DAG size of output: 615 [2019-09-21 10:04:34,184 WARN L191 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 615 DAG size of output: 613 [2019-09-21 10:04:34,558 WARN L191 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 626 [2019-09-21 10:04:34,939 WARN L191 SmtUtils]: Spent 380.00 ms on a formula simplification that was a NOOP. DAG size: 626 [2019-09-21 10:04:35,519 WARN L191 SmtUtils]: Spent 478.00 ms on a formula simplification. DAG size of input: 627 DAG size of output: 627 [2019-09-21 10:04:35,935 WARN L191 SmtUtils]: Spent 413.00 ms on a formula simplification. DAG size of input: 631 DAG size of output: 628 [2019-09-21 10:04:36,359 WARN L191 SmtUtils]: Spent 422.00 ms on a formula simplification. DAG size of input: 628 DAG size of output: 628 [2019-09-21 10:04:36,841 WARN L191 SmtUtils]: Spent 464.00 ms on a formula simplification. DAG size of input: 629 DAG size of output: 627 [2019-09-21 10:04:37,742 WARN L191 SmtUtils]: Spent 879.00 ms on a formula simplification that was a NOOP. DAG size: 640 [2019-09-21 10:04:38,598 WARN L191 SmtUtils]: Spent 854.00 ms on a formula simplification that was a NOOP. DAG size: 640 [2019-09-21 10:04:39,750 WARN L191 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 641 DAG size of output: 641 [2019-09-21 10:04:40,976 WARN L191 SmtUtils]: Spent 1.16 s on a formula simplification. DAG size of input: 651 DAG size of output: 649 [2019-09-21 10:04:42,105 WARN L191 SmtUtils]: Spent 1.13 s on a formula simplification that was a NOOP. DAG size: 649 [2019-09-21 10:04:43,580 WARN L191 SmtUtils]: Spent 1.23 s on a formula simplification. DAG size of input: 650 DAG size of output: 650 [2019-09-21 10:04:44,551 WARN L191 SmtUtils]: Spent 736.00 ms on a formula simplification. DAG size of input: 628 DAG size of output: 627 [2019-09-21 10:04:45,134 WARN L191 SmtUtils]: Spent 581.00 ms on a formula simplification that was a NOOP. DAG size: 627