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_product18.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 19:30:56,184 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 19:30:56,186 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 19:30:56,202 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 19:30:56,202 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 19:30:56,203 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 19:30:56,205 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 19:30:56,208 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 19:30:56,211 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 19:30:56,215 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 19:30:56,219 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 19:30:56,222 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 19:30:56,222 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 19:30:56,225 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 19:30:56,226 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 19:30:56,228 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 19:30:56,229 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 19:30:56,230 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 19:30:56,235 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 19:30:56,239 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 19:30:56,243 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 19:30:56,244 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 19:30:56,246 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 19:30:56,247 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 19:30:56,253 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 19:30:56,253 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 19:30:56,253 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 19:30:56,255 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 19:30:56,256 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 19:30:56,258 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 19:30:56,258 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 19:30:56,259 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 19:30:56,261 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 19:30:56,262 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 19:30:56,265 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 19:30:56,265 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 19:30:56,266 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 19:30:56,266 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 19:30:56,267 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 19:30:56,269 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 19:30:56,270 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 19:30:56,272 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 19:30:56,294 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 19:30:56,295 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 19:30:56,297 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 19:30:56,297 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 19:30:56,297 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 19:30:56,297 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 19:30:56,298 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 19:30:56,298 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 19:30:56,298 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 19:30:56,298 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 19:30:56,299 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 19:30:56,300 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 19:30:56,300 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 19:30:56,300 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 19:30:56,301 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 19:30:56,301 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 19:30:56,301 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 19:30:56,301 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 19:30:56,302 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 19:30:56,302 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 19:30:56,302 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 19:30:56,303 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 19:30:56,303 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 19:30:56,303 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 19:30:56,303 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 19:30:56,304 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 19:30:56,304 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 19:30:56,304 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 19:30:56,304 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 19:30:56,362 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 19:30:56,381 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 19:30:56,384 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 19:30:56,386 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 19:30:56,386 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 19:30:56,387 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product18.cil.c [2019-09-20 19:30:56,465 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/28552b71d/7e8b4861ef3043a488b4293cb14ee445/FLAG7e31490d2 [2019-09-20 19:30:56,999 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 19:30:57,002 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec1_product18.cil.c [2019-09-20 19:30:57,018 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/28552b71d/7e8b4861ef3043a488b4293cb14ee445/FLAG7e31490d2 [2019-09-20 19:30:57,299 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/28552b71d/7e8b4861ef3043a488b4293cb14ee445 [2019-09-20 19:30:57,311 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 19:30:57,313 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 19:30:57,314 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 19:30:57,314 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 19:30:57,317 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 19:30:57,318 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 07:30:57" (1/1) ... [2019-09-20 19:30:57,320 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4bfade5d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:30:57, skipping insertion in model container [2019-09-20 19:30:57,321 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 07:30:57" (1/1) ... [2019-09-20 19:30:57,327 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 19:30:57,374 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 19:30:57,787 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 19:30:57,804 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 19:30:57,915 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 19:30:57,965 INFO L192 MainTranslator]: Completed translation [2019-09-20 19:30:57,966 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:30:57 WrapperNode [2019-09-20 19:30:57,967 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 19:30:57,967 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 19:30:57,967 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 19:30:57,968 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 19:30:57,979 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:30:57" (1/1) ... [2019-09-20 19:30:57,979 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:30:57" (1/1) ... [2019-09-20 19:30:57,998 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:30:57" (1/1) ... [2019-09-20 19:30:57,998 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:30:57" (1/1) ... [2019-09-20 19:30:58,027 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:30:57" (1/1) ... [2019-09-20 19:30:58,042 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:30:57" (1/1) ... [2019-09-20 19:30:58,053 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:30:57" (1/1) ... [2019-09-20 19:30:58,067 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 19:30:58,070 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 19:30:58,071 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 19:30:58,071 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 19:30:58,072 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:30:57" (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 19:30:58,156 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 19:30:58,157 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 19:30:58,157 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-20 19:30:58,157 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2019-09-20 19:30:58,158 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-20 19:30:58,159 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-20 19:30:58,159 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-20 19:30:58,159 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-20 19:30:58,160 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-20 19:30:58,160 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-20 19:30:58,160 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-20 19:30:58,161 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-20 19:30:58,161 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 19:30:58,161 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-20 19:30:58,161 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-09-20 19:30:58,162 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-20 19:30:58,164 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-20 19:30:58,164 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-20 19:30:58,164 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-20 19:30:58,165 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-20 19:30:58,165 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-20 19:30:58,165 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-09-20 19:30:58,165 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-09-20 19:30:58,165 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-20 19:30:58,165 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-20 19:30:58,166 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-20 19:30:58,166 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-20 19:30:58,166 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-20 19:30:58,166 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-20 19:30:58,167 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-20 19:30:58,167 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-20 19:30:58,167 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-20 19:30:58,168 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-20 19:30:58,168 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-20 19:30:58,168 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-20 19:30:58,168 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-20 19:30:58,168 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-20 19:30:58,168 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-09-20 19:30:58,169 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 19:30:58,169 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 19:30:58,169 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-20 19:30:58,169 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-20 19:30:58,169 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-20 19:30:58,169 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-20 19:30:58,170 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2019-09-20 19:30:58,170 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-20 19:30:58,170 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-20 19:30:58,170 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-20 19:30:58,170 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-20 19:30:58,170 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-20 19:30:58,171 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-20 19:30:58,171 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-20 19:30:58,171 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-20 19:30:58,171 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-20 19:30:58,171 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-20 19:30:58,171 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-20 19:30:58,172 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-20 19:30:58,172 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-20 19:30:58,172 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 19:30:58,172 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-20 19:30:58,173 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-20 19:30:58,173 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-09-20 19:30:58,173 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-20 19:30:58,173 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-20 19:30:58,174 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-09-20 19:30:58,174 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-20 19:30:58,174 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-09-20 19:30:58,174 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-09-20 19:30:58,174 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-20 19:30:58,174 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-20 19:30:58,175 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-20 19:30:58,175 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-20 19:30:58,175 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-20 19:30:58,176 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-20 19:30:58,177 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-20 19:30:58,177 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-20 19:30:58,177 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-20 19:30:58,178 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-20 19:30:58,178 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-20 19:30:58,178 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-20 19:30:58,179 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-20 19:30:58,179 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-20 19:30:58,179 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-20 19:30:58,179 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-20 19:30:58,180 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-20 19:30:58,180 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-20 19:30:58,181 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-20 19:30:58,181 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 19:30:58,181 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-20 19:30:58,181 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 19:30:59,495 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 19:30:59,495 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-20 19:30:59,497 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 07:30:59 BoogieIcfgContainer [2019-09-20 19:30:59,497 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 19:30:59,498 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 19:30:59,498 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 19:30:59,499 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 19:30:59,500 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 07:30:59" (1/1) ... [2019-09-20 19:30:59,501 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 19:30:59,525 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 19:30:59,525 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 19:30:59,541 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 19:30:59,555 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 19:30:59,556 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 19:31:00,163 WARN L191 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 63 [2019-09-20 19:31:00,340 WARN L191 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 58 [2019-09-20 19:31:00,669 WARN L191 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 85 [2019-09-20 19:31:00,894 WARN L191 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 80 [2019-09-20 19:31:01,355 WARN L191 SmtUtils]: Spent 409.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 122 [2019-09-20 19:31:01,816 WARN L191 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 119 [2019-09-20 19:31:02,423 WARN L191 SmtUtils]: Spent 525.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 141 [2019-09-20 19:31:02,951 WARN L191 SmtUtils]: Spent 432.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 138 [2019-09-20 19:31:03,799 WARN L191 SmtUtils]: Spent 760.00 ms on a formula simplification. DAG size of input: 177 DAG size of output: 163 [2019-09-20 19:31:04,534 WARN L191 SmtUtils]: Spent 601.00 ms on a formula simplification. DAG size of input: 186 DAG size of output: 162 [2019-09-20 19:31:05,554 WARN L191 SmtUtils]: Spent 893.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 182 [2019-09-20 19:31:06,345 WARN L191 SmtUtils]: Spent 676.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 177 [2019-09-20 19:31:07,656 WARN L191 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 230 DAG size of output: 202 [2019-09-20 19:31:08,596 WARN L191 SmtUtils]: Spent 823.00 ms on a formula simplification. DAG size of input: 219 DAG size of output: 197 [2019-09-20 19:31:09,765 WARN L191 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 257 DAG size of output: 211 [2019-09-20 19:31:10,766 WARN L191 SmtUtils]: Spent 881.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 206 [2019-09-20 19:31:11,006 WARN L191 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2019-09-20 19:31:12,295 WARN L191 SmtUtils]: Spent 1.28 s on a formula simplification. DAG size of input: 312 DAG size of output: 220 [2019-09-20 19:31:13,414 WARN L191 SmtUtils]: Spent 956.00 ms on a formula simplification. DAG size of input: 251 DAG size of output: 215 [2019-09-20 19:31:13,916 WARN L191 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 159 [2019-09-20 19:31:15,968 WARN L191 SmtUtils]: Spent 2.04 s on a formula simplification. DAG size of input: 360 DAG size of output: 228 [2019-09-20 19:31:17,236 WARN L191 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 266 DAG size of output: 225 [2019-09-20 19:31:17,888 WARN L191 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 201 [2019-09-20 19:31:20,375 WARN L191 SmtUtils]: Spent 2.48 s on a formula simplification. DAG size of input: 404 DAG size of output: 238 [2019-09-20 19:31:21,747 WARN L191 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 281 DAG size of output: 235 [2019-09-20 19:31:22,580 WARN L191 SmtUtils]: Spent 394.00 ms on a formula simplification that was a NOOP. DAG size: 247 [2019-09-20 19:31:25,517 WARN L191 SmtUtils]: Spent 2.93 s on a formula simplification. DAG size of input: 464 DAG size of output: 248 [2019-09-20 19:31:26,993 WARN L191 SmtUtils]: Spent 1.27 s on a formula simplification. DAG size of input: 283 DAG size of output: 245 [2019-09-20 19:31:28,057 WARN L191 SmtUtils]: Spent 547.00 ms on a formula simplification that was a NOOP. DAG size: 297 [2019-09-20 19:31:31,522 WARN L191 SmtUtils]: Spent 3.45 s on a formula simplification. DAG size of input: 482 DAG size of output: 258 [2019-09-20 19:31:31,816 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2019-09-20 19:31:33,239 WARN L191 SmtUtils]: Spent 1.42 s on a formula simplification. DAG size of input: 311 DAG size of output: 257 [2019-09-20 19:31:34,680 WARN L191 SmtUtils]: Spent 697.00 ms on a formula simplification that was a NOOP. DAG size: 347 [2019-09-20 19:31:38,582 WARN L191 SmtUtils]: Spent 3.89 s on a formula simplification. DAG size of input: 470 DAG size of output: 270 [2019-09-20 19:31:38,883 WARN L191 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2019-09-20 19:31:40,462 WARN L191 SmtUtils]: Spent 1.57 s on a formula simplification. DAG size of input: 328 DAG size of output: 269 [2019-09-20 19:31:42,095 WARN L191 SmtUtils]: Spent 868.00 ms on a formula simplification that was a NOOP. DAG size: 401