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_spec1_product20.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-21 09:57:21,304 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-21 09:57:21,306 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-21 09:57:21,319 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-21 09:57:21,320 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-21 09:57:21,321 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-21 09:57:21,322 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-21 09:57:21,324 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-21 09:57:21,326 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-21 09:57:21,327 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-21 09:57:21,328 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-21 09:57:21,329 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-21 09:57:21,330 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-21 09:57:21,331 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-21 09:57:21,332 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-21 09:57:21,333 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-21 09:57:21,334 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-21 09:57:21,335 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-21 09:57:21,336 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-21 09:57:21,338 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-21 09:57:21,340 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-21 09:57:21,341 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-21 09:57:21,342 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-21 09:57:21,343 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-21 09:57:21,345 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-21 09:57:21,345 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-21 09:57:21,346 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-21 09:57:21,347 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-21 09:57:21,347 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-21 09:57:21,348 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-21 09:57:21,348 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-21 09:57:21,349 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-21 09:57:21,350 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-21 09:57:21,351 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-21 09:57:21,352 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-21 09:57:21,352 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-21 09:57:21,353 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-21 09:57:21,353 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-21 09:57:21,354 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-21 09:57:21,355 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-21 09:57:21,356 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-21 09:57:21,357 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 09:57:21,372 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-21 09:57:21,372 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-21 09:57:21,373 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-21 09:57:21,373 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-21 09:57:21,374 INFO L138 SettingsManager]: * Use SBE=true [2019-09-21 09:57:21,374 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-21 09:57:21,374 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-21 09:57:21,374 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-21 09:57:21,374 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-21 09:57:21,375 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-21 09:57:21,375 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-21 09:57:21,375 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-21 09:57:21,375 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-21 09:57:21,375 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-21 09:57:21,375 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-21 09:57:21,376 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-21 09:57:21,376 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-21 09:57:21,376 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-21 09:57:21,376 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-21 09:57:21,376 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-21 09:57:21,377 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-21 09:57:21,377 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-21 09:57:21,377 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-21 09:57:21,377 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-21 09:57:21,377 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-21 09:57:21,378 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-21 09:57:21,378 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-21 09:57:21,378 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-21 09:57:21,378 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 09:57:21,417 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-21 09:57:21,432 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-21 09:57:21,435 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-21 09:57:21,437 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-21 09:57:21,437 INFO L275 PluginConnector]: CDTParser initialized [2019-09-21 09:57:21,438 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product20.cil.c [2019-09-21 09:57:21,528 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e603374ef/6092a7bd546c4b5fbe1bc2d5c5b43705/FLAG88b9477dd [2019-09-21 09:57:22,041 INFO L306 CDTParser]: Found 1 translation units. [2019-09-21 09:57:22,043 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec1_product20.cil.c [2019-09-21 09:57:22,070 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e603374ef/6092a7bd546c4b5fbe1bc2d5c5b43705/FLAG88b9477dd [2019-09-21 09:57:22,340 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e603374ef/6092a7bd546c4b5fbe1bc2d5c5b43705 [2019-09-21 09:57:22,351 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-21 09:57:22,353 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-21 09:57:22,354 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-21 09:57:22,354 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-21 09:57:22,358 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-21 09:57:22,359 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 09:57:22" (1/1) ... [2019-09-21 09:57:22,361 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@56e4c7e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:57:22, skipping insertion in model container [2019-09-21 09:57:22,362 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 09:57:22" (1/1) ... [2019-09-21 09:57:22,369 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-21 09:57:22,433 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-21 09:57:22,903 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-21 09:57:22,928 INFO L188 MainTranslator]: Completed pre-run [2019-09-21 09:57:23,018 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-21 09:57:23,056 INFO L192 MainTranslator]: Completed translation [2019-09-21 09:57:23,057 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:57:23 WrapperNode [2019-09-21 09:57:23,057 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-21 09:57:23,058 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-21 09:57:23,058 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-21 09:57:23,058 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-21 09:57:23,083 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:57:23" (1/1) ... [2019-09-21 09:57:23,084 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:57:23" (1/1) ... [2019-09-21 09:57:23,125 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:57:23" (1/1) ... [2019-09-21 09:57:23,126 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:57:23" (1/1) ... [2019-09-21 09:57:23,175 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:57:23" (1/1) ... [2019-09-21 09:57:23,185 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:57:23" (1/1) ... [2019-09-21 09:57:23,191 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:57:23" (1/1) ... [2019-09-21 09:57:23,198 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-21 09:57:23,199 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-21 09:57:23,199 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-21 09:57:23,199 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-21 09:57:23,200 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:57:23" (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 09:57:23,274 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-21 09:57:23,275 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-21 09:57:23,275 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-21 09:57:23,275 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-21 09:57:23,275 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-21 09:57:23,276 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-21 09:57:23,276 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-21 09:57:23,276 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-21 09:57:23,276 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-21 09:57:23,277 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-21 09:57:23,277 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-21 09:57:23,277 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-09-21 09:57:23,277 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-21 09:57:23,277 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-21 09:57:23,278 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-21 09:57:23,278 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-21 09:57:23,278 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-21 09:57:23,278 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-21 09:57:23,278 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-09-21 09:57:23,279 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-09-21 09:57:23,279 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-09-21 09:57:23,279 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-21 09:57:23,279 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-21 09:57:23,279 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-21 09:57:23,280 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-21 09:57:23,280 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-21 09:57:23,280 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-21 09:57:23,280 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-09-21 09:57:23,280 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-21 09:57:23,281 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-21 09:57:23,281 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-21 09:57:23,281 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-21 09:57:23,281 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-21 09:57:23,281 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-21 09:57:23,282 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-21 09:57:23,282 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-21 09:57:23,282 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-21 09:57:23,282 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-21 09:57:23,282 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2019-09-21 09:57:23,282 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-21 09:57:23,283 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-21 09:57:23,283 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-21 09:57:23,283 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-21 09:57:23,283 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-21 09:57:23,283 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-21 09:57:23,284 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-21 09:57:23,284 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-21 09:57:23,284 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-21 09:57:23,284 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-21 09:57:23,285 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-21 09:57:23,285 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-21 09:57:23,285 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-21 09:57:23,285 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-21 09:57:23,285 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-21 09:57:23,286 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-21 09:57:23,286 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-21 09:57:23,286 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-09-21 09:57:23,286 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-09-21 09:57:23,286 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-21 09:57:23,287 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-21 09:57:23,287 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-21 09:57:23,287 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-09-21 09:57:23,287 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-21 09:57:23,288 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-21 09:57:23,288 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-21 09:57:23,288 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2019-09-21 09:57:23,288 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-21 09:57:23,288 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-09-21 09:57:23,289 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-09-21 09:57:23,289 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-21 09:57:23,289 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-21 09:57:23,289 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-21 09:57:23,289 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-21 09:57:23,290 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-21 09:57:23,290 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-21 09:57:23,290 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-21 09:57:23,290 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-21 09:57:23,290 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-21 09:57:23,291 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-21 09:57:23,291 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-21 09:57:23,291 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-21 09:57:23,291 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-21 09:57:23,291 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-21 09:57:23,292 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-21 09:57:23,292 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-21 09:57:23,292 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-21 09:57:23,292 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-21 09:57:23,294 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-21 09:57:23,294 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-21 09:57:23,294 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-21 09:57:23,294 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-21 09:57:23,294 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-21 09:57:25,123 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-21 09:57:25,123 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-21 09:57:25,126 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 09:57:25 BoogieIcfgContainer [2019-09-21 09:57:25,127 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-21 09:57:25,128 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-21 09:57:25,128 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-21 09:57:25,128 INFO L275 PluginConnector]: Sifa initialized [2019-09-21 09:57:25,129 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 09:57:25" (1/1) ... [2019-09-21 09:57:25,130 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 09:57:25,176 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-21 09:57:25,177 INFO L169 IcfgInterpreter]: Building call graph [2019-09-21 09:57:25,189 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-21 09:57:25,203 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-21 09:57:25,205 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-21 09:57:33,271 WARN L191 SmtUtils]: Spent 352.00 ms on a formula simplification that was a NOOP. DAG size: 464 [2019-09-21 09:57:35,043 WARN L191 SmtUtils]: Spent 427.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-09-21 09:57:35,178 WARN L191 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 472 [2019-09-21 09:57:35,326 WARN L191 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 472 [2019-09-21 09:57:35,457 WARN L191 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 472 [2019-09-21 09:57:35,701 WARN L191 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 540 [2019-09-21 09:57:35,735 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 544 for LOIs [2019-09-21 09:57:35,817 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 542 for LOIs [2019-09-21 09:57:35,824 INFO L199 IcfgInterpreter]: Interpreting procedure test with input of size 540 for LOIs [2019-09-21 09:57:36,140 WARN L191 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 544 [2019-09-21 09:57:36,326 WARN L191 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 544 [2019-09-21 09:57:36,990 WARN L191 SmtUtils]: Spent 611.00 ms on a formula simplification that was a NOOP. DAG size: 558 [2019-09-21 09:57:37,536 WARN L191 SmtUtils]: Spent 543.00 ms on a formula simplification that was a NOOP. DAG size: 558 [2019-09-21 09:57:38,175 WARN L191 SmtUtils]: Spent 607.00 ms on a formula simplification. DAG size of input: 575 DAG size of output: 575 [2019-09-21 09:57:39,041 WARN L191 SmtUtils]: Spent 809.00 ms on a formula simplification. DAG size of input: 594 DAG size of output: 594 [2019-09-21 09:57:39,603 WARN L191 SmtUtils]: Spent 560.00 ms on a formula simplification that was a NOOP. DAG size: 594 [2019-09-21 09:57:40,293 WARN L191 SmtUtils]: Spent 631.00 ms on a formula simplification. DAG size of input: 595 DAG size of output: 593 [2019-09-21 09:57:41,522 WARN L191 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 619 DAG size of output: 619 [2019-09-21 09:57:42,477 WARN L191 SmtUtils]: Spent 953.00 ms on a formula simplification that was a NOOP. DAG size: 619 [2019-09-21 09:57:43,747 WARN L191 SmtUtils]: Spent 1.16 s on a formula simplification. DAG size of input: 622 DAG size of output: 622 [2019-09-21 09:57:45,212 WARN L191 SmtUtils]: Spent 1.42 s on a formula simplification. DAG size of input: 635 DAG size of output: 635 [2019-09-21 09:57:46,555 WARN L191 SmtUtils]: Spent 1.34 s on a formula simplification that was a NOOP. DAG size: 635 [2019-09-21 09:57:48,399 WARN L191 SmtUtils]: Spent 1.70 s on a formula simplification. DAG size of input: 636 DAG size of output: 636 [2019-09-21 09:57:49,676 WARN L191 SmtUtils]: Spent 808.00 ms on a formula simplification. DAG size of input: 617 DAG size of output: 614 [2019-09-21 09:57:50,291 WARN L191 SmtUtils]: Spent 613.00 ms on a formula simplification that was a NOOP. DAG size: 614 [2019-09-21 09:57:50,926 WARN L191 SmtUtils]: Spent 537.00 ms on a formula simplification. DAG size of input: 614 DAG size of output: 614 [2019-09-21 09:57:51,506 WARN L191 SmtUtils]: Spent 564.00 ms on a formula simplification that was a NOOP. DAG size: 619 [2019-09-21 09:57:52,100 WARN L191 SmtUtils]: Spent 592.00 ms on a formula simplification that was a NOOP. DAG size: 619 [2019-09-21 09:57:52,925 WARN L191 SmtUtils]: Spent 741.00 ms on a formula simplification. DAG size of input: 620 DAG size of output: 620 [2019-09-21 09:57:53,672 WARN L191 SmtUtils]: Spent 680.00 ms on a formula simplification that was a NOOP. DAG size: 639 [2019-09-21 09:57:54,255 WARN L191 SmtUtils]: Spent 581.00 ms on a formula simplification that was a NOOP. DAG size: 639 [2019-09-21 09:57:55,300 WARN L191 SmtUtils]: Spent 815.00 ms on a formula simplification. DAG size of input: 640 DAG size of output: 640 [2019-09-21 09:57:56,781 WARN L191 SmtUtils]: Spent 1.33 s on a formula simplification. DAG size of input: 663 DAG size of output: 653 [2019-09-21 09:57:57,719 WARN L191 SmtUtils]: Spent 936.00 ms on a formula simplification that was a NOOP. DAG size: 653 [2019-09-21 09:57:59,339 WARN L191 SmtUtils]: Spent 1.20 s on a formula simplification. DAG size of input: 654 DAG size of output: 652