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 SingleStatement --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_DDA -i ../../../trunk/examples/svcomp/product-lines/minepump_spec1_product31.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 19:31:45,239 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 19:31:45,241 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 19:31:45,254 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 19:31:45,254 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 19:31:45,255 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 19:31:45,256 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 19:31:45,258 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 19:31:45,260 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 19:31:45,261 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 19:31:45,262 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 19:31:45,263 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 19:31:45,263 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 19:31:45,264 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 19:31:45,265 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 19:31:45,266 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 19:31:45,267 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 19:31:45,268 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 19:31:45,270 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 19:31:45,272 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 19:31:45,274 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 19:31:45,275 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 19:31:45,276 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 19:31:45,277 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 19:31:45,279 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 19:31:45,280 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 19:31:45,280 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 19:31:45,281 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 19:31:45,281 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 19:31:45,282 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 19:31:45,282 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 19:31:45,283 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 19:31:45,284 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 19:31:45,285 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 19:31:45,286 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 19:31:45,286 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 19:31:45,287 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 19:31:45,287 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 19:31:45,287 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 19:31:45,288 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 19:31:45,289 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 19:31:45,290 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 [2019-09-20 19:31:45,307 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 19:31:45,307 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 19:31:45,308 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 19:31:45,309 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 19:31:45,309 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 19:31:45,309 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 19:31:45,309 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 19:31:45,310 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 19:31:45,310 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 19:31:45,310 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 19:31:45,310 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 19:31:45,310 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 19:31:45,311 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 19:31:45,311 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 19:31:45,311 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 19:31:45,311 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 19:31:45,311 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 19:31:45,312 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 19:31:45,312 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 19:31:45,312 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 19:31:45,312 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 19:31:45,312 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 19:31:45,313 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 19:31:45,313 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 19:31:45,313 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 19:31:45,313 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 19:31:45,313 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 19:31:45,314 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 19:31:45,314 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 -> SingleStatement Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Intern Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_DDA [2019-09-20 19:31:45,344 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 19:31:45,354 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 19:31:45,358 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 19:31:45,359 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 19:31:45,359 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 19:31:45,360 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product31.cil.c [2019-09-20 19:31:45,413 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/69258f775/59b4e7c6f9864158b36e17b6dc06fcc8/FLAGafd39340b [2019-09-20 19:31:45,853 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 19:31:45,854 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec1_product31.cil.c [2019-09-20 19:31:45,867 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/69258f775/59b4e7c6f9864158b36e17b6dc06fcc8/FLAGafd39340b [2019-09-20 19:31:46,151 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/69258f775/59b4e7c6f9864158b36e17b6dc06fcc8 [2019-09-20 19:31:46,160 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 19:31:46,162 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 19:31:46,163 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 19:31:46,163 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 19:31:46,167 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 19:31:46,168 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 07:31:46" (1/1) ... [2019-09-20 19:31:46,171 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@73e3ceaa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:31:46, skipping insertion in model container [2019-09-20 19:31:46,171 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 07:31:46" (1/1) ... [2019-09-20 19:31:46,179 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 19:31:46,238 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 19:31:46,649 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 19:31:46,664 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 19:31:46,759 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 19:31:46,802 INFO L192 MainTranslator]: Completed translation [2019-09-20 19:31:46,802 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:31:46 WrapperNode [2019-09-20 19:31:46,802 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 19:31:46,803 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 19:31:46,803 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 19:31:46,803 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 19:31:46,817 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:31:46" (1/1) ... [2019-09-20 19:31:46,817 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:31:46" (1/1) ... [2019-09-20 19:31:46,843 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:31:46" (1/1) ... [2019-09-20 19:31:46,844 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:31:46" (1/1) ... [2019-09-20 19:31:46,882 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:31:46" (1/1) ... [2019-09-20 19:31:46,905 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:31:46" (1/1) ... [2019-09-20 19:31:46,918 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:31:46" (1/1) ... [2019-09-20 19:31:46,935 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 19:31:46,936 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 19:31:46,936 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 19:31:46,942 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 19:31:46,943 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:31:46" (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 [2019-09-20 19:31:47,018 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 19:31:47,019 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 19:31:47,019 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-20 19:31:47,019 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-20 19:31:47,019 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-20 19:31:47,019 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-20 19:31:47,020 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-20 19:31:47,020 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 19:31:47,020 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-20 19:31:47,020 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-20 19:31:47,020 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-20 19:31:47,020 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-20 19:31:47,021 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-20 19:31:47,021 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-20 19:31:47,021 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-09-20 19:31:47,021 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-20 19:31:47,021 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-20 19:31:47,022 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-20 19:31:47,022 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-20 19:31:47,022 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2019-09-20 19:31:47,022 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-20 19:31:47,022 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-09-20 19:31:47,022 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2019-09-20 19:31:47,023 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-20 19:31:47,023 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2019-09-20 19:31:47,023 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-20 19:31:47,023 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-20 19:31:47,023 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-20 19:31:47,024 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-20 19:31:47,024 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-20 19:31:47,024 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-09-20 19:31:47,024 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-09-20 19:31:47,024 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-20 19:31:47,024 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-20 19:31:47,025 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-20 19:31:47,025 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-20 19:31:47,025 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-20 19:31:47,025 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-20 19:31:47,025 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-20 19:31:47,025 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-20 19:31:47,026 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 19:31:47,026 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 19:31:47,026 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-20 19:31:47,026 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-20 19:31:47,026 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-20 19:31:47,026 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-20 19:31:47,026 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-20 19:31:47,027 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-20 19:31:47,027 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-20 19:31:47,027 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-20 19:31:47,027 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-20 19:31:47,027 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-20 19:31:47,027 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-20 19:31:47,028 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-20 19:31:47,028 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-20 19:31:47,028 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 19:31:47,028 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-20 19:31:47,028 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-20 19:31:47,029 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-20 19:31:47,029 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-20 19:31:47,029 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-09-20 19:31:47,029 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-20 19:31:47,030 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-20 19:31:47,030 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-20 19:31:47,030 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-20 19:31:47,030 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2019-09-20 19:31:47,030 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-20 19:31:47,031 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-20 19:31:47,031 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-09-20 19:31:47,031 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-20 19:31:47,031 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-09-20 19:31:47,031 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-09-20 19:31:47,032 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2019-09-20 19:31:47,032 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-20 19:31:47,032 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2019-09-20 19:31:47,032 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-20 19:31:47,032 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-20 19:31:47,032 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-20 19:31:47,033 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-20 19:31:47,033 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-20 19:31:47,033 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-20 19:31:47,033 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-20 19:31:47,033 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-20 19:31:47,034 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-20 19:31:47,034 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-20 19:31:47,034 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-20 19:31:47,034 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-20 19:31:47,034 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-20 19:31:47,034 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-20 19:31:47,034 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-20 19:31:47,035 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-20 19:31:47,035 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 19:31:47,035 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-20 19:31:47,035 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 19:31:48,448 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 19:31:48,448 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-20 19:31:48,450 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 07:31:48 BoogieIcfgContainer [2019-09-20 19:31:48,450 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 19:31:48,451 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 19:31:48,451 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 19:31:48,451 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 19:31:48,453 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 07:31:48" (1/1) ... [2019-09-20 19:31:48,454 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=ExplicitValueDomain ♦ Abstract when formula's dag size exceeds (negative numbers disable this limit)=-1 ♦ Fluid=SizeLimitFluid ♦ Max. Parallel Explicit Values=2 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ Abstract when formula has more disjuncts than (negative numbers disable this limit)=8 ♦ Call Summarizer=TopInputCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ Simplification Technique=SIMPLIFY_DDA ♦ Intern Fluid=SizeLimitFluid [2019-09-20 19:31:48,478 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 19:31:48,478 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 19:31:48,489 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 19:31:48,498 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 19:31:48,500 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 19:31:48,856 WARN L191 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 28 [2019-09-20 19:31:49,261 WARN L191 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 82 [2019-09-20 19:31:49,512 WARN L191 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 77 [2019-09-20 19:31:49,852 WARN L191 SmtUtils]: Spent 289.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 109 [2019-09-20 19:31:50,165 WARN L191 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 104 [2019-09-20 19:31:50,571 WARN L191 SmtUtils]: Spent 357.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 128 [2019-09-20 19:31:50,939 WARN L191 SmtUtils]: Spent 311.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 123 [2019-09-20 19:31:51,473 WARN L191 SmtUtils]: Spent 452.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 147 [2019-09-20 19:31:52,021 WARN L191 SmtUtils]: Spent 460.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 144 [2019-09-20 19:31:52,874 WARN L191 SmtUtils]: Spent 697.00 ms on a formula simplification. DAG size of input: 183 DAG size of output: 157 [2019-09-20 19:31:53,510 WARN L191 SmtUtils]: Spent 538.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 154 [2019-09-20 19:31:54,544 WARN L191 SmtUtils]: Spent 889.00 ms on a formula simplification. DAG size of input: 217 DAG size of output: 175 [2019-09-20 19:31:55,302 WARN L191 SmtUtils]: Spent 637.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 170 [2019-09-20 19:31:56,631 WARN L191 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 244 DAG size of output: 196 [2019-09-20 19:31:57,562 WARN L191 SmtUtils]: Spent 806.00 ms on a formula simplification. DAG size of input: 219 DAG size of output: 193 [2019-09-20 19:31:59,253 WARN L191 SmtUtils]: Spent 1.44 s on a formula simplification. DAG size of input: 280 DAG size of output: 229 [2019-09-20 19:32:00,448 WARN L191 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 264 DAG size of output: 228 [2019-09-20 19:32:02,639 WARN L191 SmtUtils]: Spent 1.91 s on a formula simplification. DAG size of input: 305 DAG size of output: 248 [2019-09-20 19:32:04,053 WARN L191 SmtUtils]: Spent 1.22 s on a formula simplification. DAG size of input: 285 DAG size of output: 245 [2019-09-20 19:32:06,590 WARN L191 SmtUtils]: Spent 2.18 s on a formula simplification. DAG size of input: 340 DAG size of output: 270 [2019-09-20 19:32:06,801 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2019-09-20 19:32:08,260 WARN L191 SmtUtils]: Spent 1.45 s on a formula simplification. DAG size of input: 315 DAG size of output: 271 [2019-09-20 19:32:08,663 WARN L191 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 105 [2019-09-20 19:32:11,269 WARN L191 SmtUtils]: Spent 2.60 s on a formula simplification. DAG size of input: 372 DAG size of output: 288 [2019-09-20 19:32:13,000 WARN L191 SmtUtils]: Spent 1.54 s on a formula simplification. DAG size of input: 333 DAG size of output: 285 [2019-09-20 19:32:13,290 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2019-09-20 19:32:15,282 WARN L191 SmtUtils]: Spent 1.99 s on a formula simplification. DAG size of input: 372 DAG size of output: 308 [2019-09-20 19:32:17,156 WARN L191 SmtUtils]: Spent 1.65 s on a formula simplification. DAG size of input: 351 DAG size of output: 303 [2019-09-20 19:32:18,020 WARN L191 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2019-09-20 19:32:21,632 WARN L191 SmtUtils]: Spent 3.60 s on a formula simplification. DAG size of input: 439 DAG size of output: 317 [2019-09-20 19:32:23,672 WARN L191 SmtUtils]: Spent 1.81 s on a formula simplification. DAG size of input: 358 DAG size of output: 312 [2019-09-20 19:32:24,708 WARN L191 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2019-09-20 19:32:29,069 WARN L191 SmtUtils]: Spent 4.35 s on a formula simplification. DAG size of input: 516 DAG size of output: 326 [2019-09-20 19:32:31,274 WARN L191 SmtUtils]: Spent 1.91 s on a formula simplification. DAG size of input: 365 DAG size of output: 321