java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/SifaC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --sifa.abstract.domain ExplicitValueDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer InterpretCallSummarizer --sifa.fluid SizeLimitFluid --sifa.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_DDA -i ../../../trunk/examples/svcomp/product-lines/minepump_spec4_product17.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-efa34d5 [2019-09-19 09:24:06,300 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-19 09:24:06,302 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-19 09:24:06,314 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-19 09:24:06,314 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-19 09:24:06,315 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-19 09:24:06,316 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-19 09:24:06,318 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-19 09:24:06,320 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-19 09:24:06,321 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-19 09:24:06,322 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-19 09:24:06,323 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-19 09:24:06,323 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-19 09:24:06,324 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-19 09:24:06,325 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-19 09:24:06,326 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-19 09:24:06,327 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-19 09:24:06,328 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-19 09:24:06,329 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-19 09:24:06,331 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-19 09:24:06,332 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-19 09:24:06,333 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-19 09:24:06,335 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-19 09:24:06,335 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-19 09:24:06,337 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-19 09:24:06,338 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-19 09:24:06,338 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-19 09:24:06,339 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-19 09:24:06,339 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-19 09:24:06,340 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-19 09:24:06,340 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-19 09:24:06,341 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-19 09:24:06,341 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-19 09:24:06,342 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-19 09:24:06,343 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-19 09:24:06,343 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-19 09:24:06,344 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-19 09:24:06,344 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-19 09:24:06,344 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-19 09:24:06,345 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-19 09:24:06,346 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-19 09:24:06,347 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-09-19 09:24:06,361 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-19 09:24:06,361 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-19 09:24:06,362 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-19 09:24:06,363 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-19 09:24:06,363 INFO L138 SettingsManager]: * Use SBE=true [2019-09-19 09:24:06,363 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-19 09:24:06,363 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-19 09:24:06,364 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-19 09:24:06,364 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-19 09:24:06,364 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-19 09:24:06,364 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-19 09:24:06,364 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-19 09:24:06,365 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-19 09:24:06,365 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-19 09:24:06,365 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-19 09:24:06,365 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-19 09:24:06,365 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-19 09:24:06,366 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-19 09:24:06,366 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-19 09:24:06,366 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-19 09:24:06,366 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-19 09:24:06,366 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-19 09:24:06,367 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-19 09:24:06,367 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-19 09:24:06,367 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-19 09:24:06,367 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-19 09:24:06,367 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-19 09:24:06,368 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-19 09:24:06,368 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> ExplicitValueDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> InterpretCallSummarizer 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 [2019-09-19 09:24:06,398 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-19 09:24:06,412 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-19 09:24:06,416 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-19 09:24:06,417 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-19 09:24:06,418 INFO L275 PluginConnector]: CDTParser initialized [2019-09-19 09:24:06,419 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product17.cil.c [2019-09-19 09:24:06,478 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c95259e3e/66f942903b4e4c04bd86bc228c82323e/FLAG7334b7909 [2019-09-19 09:24:06,973 INFO L306 CDTParser]: Found 1 translation units. [2019-09-19 09:24:06,974 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec4_product17.cil.c [2019-09-19 09:24:06,998 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c95259e3e/66f942903b4e4c04bd86bc228c82323e/FLAG7334b7909 [2019-09-19 09:24:07,302 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c95259e3e/66f942903b4e4c04bd86bc228c82323e [2019-09-19 09:24:07,311 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-19 09:24:07,312 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-19 09:24:07,313 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-19 09:24:07,313 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-19 09:24:07,317 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-19 09:24:07,318 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.09 09:24:07" (1/1) ... [2019-09-19 09:24:07,321 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b9c1821 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 09:24:07, skipping insertion in model container [2019-09-19 09:24:07,321 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.09 09:24:07" (1/1) ... [2019-09-19 09:24:07,329 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-19 09:24:07,385 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-19 09:24:07,879 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-19 09:24:07,895 INFO L188 MainTranslator]: Completed pre-run [2019-09-19 09:24:07,984 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-19 09:24:08,017 INFO L192 MainTranslator]: Completed translation [2019-09-19 09:24:08,018 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 09:24:08 WrapperNode [2019-09-19 09:24:08,018 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-19 09:24:08,019 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-19 09:24:08,019 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-19 09:24:08,019 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-19 09:24:08,029 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 09:24:08" (1/1) ... [2019-09-19 09:24:08,030 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 09:24:08" (1/1) ... [2019-09-19 09:24:08,051 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 09:24:08" (1/1) ... [2019-09-19 09:24:08,051 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 09:24:08" (1/1) ... [2019-09-19 09:24:08,083 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 09:24:08" (1/1) ... [2019-09-19 09:24:08,094 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 09:24:08" (1/1) ... [2019-09-19 09:24:08,100 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 09:24:08" (1/1) ... [2019-09-19 09:24:08,107 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-19 09:24:08,114 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-19 09:24:08,114 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-19 09:24:08,115 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-19 09:24:08,116 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 09:24:08" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-19 09:24:08,169 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-19 09:24:08,169 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-19 09:24:08,169 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-19 09:24:08,169 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2019-09-19 09:24:08,170 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-19 09:24:08,170 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-19 09:24:08,170 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-19 09:24:08,170 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-19 09:24:08,170 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-19 09:24:08,171 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-19 09:24:08,171 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-19 09:24:08,171 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-19 09:24:08,171 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-19 09:24:08,171 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-19 09:24:08,171 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-19 09:24:08,172 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-19 09:24:08,173 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-09-19 09:24:08,173 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-19 09:24:08,173 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-19 09:24:08,173 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-19 09:24:08,173 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-19 09:24:08,173 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-19 09:24:08,173 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-19 09:24:08,174 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-09-19 09:24:08,174 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-19 09:24:08,174 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-19 09:24:08,176 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-19 09:24:08,176 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-19 09:24:08,176 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-19 09:24:08,177 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-19 09:24:08,177 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-09-19 09:24:08,177 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-19 09:24:08,177 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-19 09:24:08,178 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-19 09:24:08,178 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-19 09:24:08,178 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-19 09:24:08,178 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-19 09:24:08,178 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-19 09:24:08,178 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-19 09:24:08,179 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-19 09:24:08,179 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-19 09:24:08,179 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-19 09:24:08,179 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-19 09:24:08,180 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2019-09-19 09:24:08,180 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-19 09:24:08,180 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-19 09:24:08,180 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-19 09:24:08,180 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-19 09:24:08,180 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-19 09:24:08,181 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-19 09:24:08,181 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-19 09:24:08,181 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-19 09:24:08,181 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-19 09:24:08,181 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-19 09:24:08,181 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-19 09:24:08,181 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-19 09:24:08,182 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-19 09:24:08,183 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-19 09:24:08,184 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-19 09:24:08,184 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-19 09:24:08,184 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-19 09:24:08,185 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-09-19 09:24:08,185 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-19 09:24:08,185 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-19 09:24:08,185 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-19 09:24:08,185 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-09-19 09:24:08,185 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-09-19 09:24:08,185 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-19 09:24:08,185 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-19 09:24:08,186 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-19 09:24:08,186 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-19 09:24:08,186 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-19 09:24:08,186 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-19 09:24:08,186 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-19 09:24:08,186 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-19 09:24:08,186 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-19 09:24:08,187 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-19 09:24:08,187 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-19 09:24:08,187 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-19 09:24:08,187 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-19 09:24:08,187 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-19 09:24:08,187 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-19 09:24:08,188 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-19 09:24:08,188 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-19 09:24:08,188 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-19 09:24:08,188 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-19 09:24:08,188 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-19 09:24:08,188 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-19 09:24:09,696 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-19 09:24:09,697 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-19 09:24:09,698 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.09 09:24:09 BoogieIcfgContainer [2019-09-19 09:24:09,698 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-19 09:24:09,699 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-19 09:24:09,699 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-19 09:24:09,699 INFO L275 PluginConnector]: Sifa initialized [2019-09-19 09:24:09,700 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.09 09:24:09" (1/1) ... [2019-09-19 09:24:09,701 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=InterpretCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ Simplification Technique=SIMPLIFY_DDA ♦ Intern Fluid=SizeLimitFluid [2019-09-19 09:24:09,733 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-19 09:24:09,734 INFO L169 IcfgInterpreter]: Building call graph [2019-09-19 09:24:09,746 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-19 09:24:09,759 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-19 09:24:09,761 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-19 09:24:22,052 WARN L191 SmtUtils]: Spent 12.18 s on a formula simplification that was a NOOP. DAG size: 441 [2019-09-19 09:24:33,475 WARN L191 SmtUtils]: Spent 11.42 s on a formula simplification that was a NOOP. DAG size: 441 [2019-09-19 09:24:52,554 WARN L191 SmtUtils]: Spent 11.53 s on a formula simplification that was a NOOP. DAG size: 464 [2019-09-19 09:24:54,304 WARN L191 SmtUtils]: Spent 408.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-09-19 09:24:58,150 WARN L191 SmtUtils]: Spent 3.84 s on a formula simplification. DAG size of input: 472 DAG size of output: 422 [2019-09-19 09:24:58,158 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 428 for LOIs [2019-09-19 09:24:59,983 WARN L191 SmtUtils]: Spent 1.81 s on a formula simplification that was a NOOP. DAG size: 422 [2019-09-19 09:25:01,803 WARN L191 SmtUtils]: Spent 1.82 s on a formula simplification that was a NOOP. DAG size: 422 [2019-09-19 09:25:03,602 WARN L191 SmtUtils]: Spent 1.79 s on a formula simplification that was a NOOP. DAG size: 422 [2019-09-19 09:25:05,395 WARN L191 SmtUtils]: Spent 1.79 s on a formula simplification that was a NOOP. DAG size: 422 [2019-09-19 09:25:07,240 WARN L191 SmtUtils]: Spent 1.84 s on a formula simplification that was a NOOP. DAG size: 426 [2019-09-19 09:25:09,082 WARN L191 SmtUtils]: Spent 1.84 s on a formula simplification that was a NOOP. DAG size: 426 [2019-09-19 09:25:10,888 WARN L191 SmtUtils]: Spent 1.79 s on a formula simplification that was a NOOP. DAG size: 422 [2019-09-19 09:25:12,664 WARN L191 SmtUtils]: Spent 1.78 s on a formula simplification that was a NOOP. DAG size: 422 [2019-09-19 09:25:12,674 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 428 for LOIs [2019-09-19 09:25:12,679 INFO L199 IcfgInterpreter]: Interpreting procedure test with input of size 428 for LOIs [2019-09-19 09:25:16,419 WARN L191 SmtUtils]: Spent 3.66 s on a formula simplification. DAG size of input: 429 DAG size of output: 424 [2019-09-19 09:25:18,227 WARN L191 SmtUtils]: Spent 1.81 s on a formula simplification that was a NOOP. DAG size: 424 [2019-09-19 09:25:28,914 WARN L191 SmtUtils]: Spent 10.68 s on a formula simplification. DAG size of input: 449 DAG size of output: 445 [2019-09-19 09:25:34,108 WARN L191 SmtUtils]: Spent 5.19 s on a formula simplification that was a NOOP. DAG size: 445 [2019-09-19 09:25:35,521 WARN L191 SmtUtils]: Spent 1.35 s on a formula simplification. DAG size of input: 437 DAG size of output: 1 [2019-09-19 09:25:45,428 WARN L191 SmtUtils]: Spent 9.84 s on a formula simplification. DAG size of input: 428 DAG size of output: 426 [2019-09-19 09:25:50,341 WARN L191 SmtUtils]: Spent 4.91 s on a formula simplification that was a NOOP. DAG size: 426 [2019-09-19 09:26:00,262 WARN L191 SmtUtils]: Spent 9.92 s on a formula simplification. DAG size of input: 431 DAG size of output: 428 [2019-09-19 09:26:05,223 WARN L191 SmtUtils]: Spent 4.96 s on a formula simplification that was a NOOP. DAG size: 428 [2019-09-19 09:26:15,412 WARN L191 SmtUtils]: Spent 10.18 s on a formula simplification. DAG size of input: 439 DAG size of output: 430 [2019-09-19 09:26:20,427 WARN L191 SmtUtils]: Spent 5.01 s on a formula simplification that was a NOOP. DAG size: 430 [2019-09-19 09:26:25,376 WARN L191 SmtUtils]: Spent 4.94 s on a formula simplification that was a NOOP. DAG size: 430 [2019-09-19 09:26:30,377 WARN L191 SmtUtils]: Spent 5.00 s on a formula simplification that was a NOOP. DAG size: 430 [2019-09-19 09:26:31,567 WARN L191 SmtUtils]: Spent 1.15 s on a formula simplification. DAG size of input: 436 DAG size of output: 1 [2019-09-19 09:26:41,436 WARN L191 SmtUtils]: Spent 9.87 s on a formula simplification. DAG size of input: 435 DAG size of output: 428 [2019-09-19 09:26:46,322 WARN L191 SmtUtils]: Spent 4.88 s on a formula simplification that was a NOOP. DAG size: 428 [2019-09-19 09:26:56,366 WARN L191 SmtUtils]: Spent 10.04 s on a formula simplification. DAG size of input: 434 DAG size of output: 430 [2019-09-19 09:27:01,392 WARN L191 SmtUtils]: Spent 5.02 s on a formula simplification that was a NOOP. DAG size: 430 [2019-09-19 09:27:13,163 WARN L191 SmtUtils]: Spent 11.75 s on a formula simplification. DAG size of input: 464 DAG size of output: 458 [2019-09-19 09:27:17,854 WARN L191 SmtUtils]: Spent 4.69 s on a formula simplification that was a NOOP. DAG size: 458 [2019-09-19 09:27:27,849 WARN L191 SmtUtils]: Spent 9.98 s on a formula simplification. DAG size of input: 462 DAG size of output: 459 [2019-09-19 09:27:32,833 WARN L191 SmtUtils]: Spent 4.98 s on a formula simplification that was a NOOP. DAG size: 459 [2019-09-19 09:27:37,940 WARN L191 SmtUtils]: Spent 5.04 s on a formula simplification that was a NOOP. DAG size: 433 [2019-09-19 09:27:42,892 WARN L191 SmtUtils]: Spent 4.95 s on a formula simplification that was a NOOP. DAG size: 433 [2019-09-19 09:28:01,000 WARN L191 SmtUtils]: Spent 18.10 s on a formula simplification. DAG size of input: 472 DAG size of output: 465 [2019-09-19 09:28:09,341 WARN L191 SmtUtils]: Spent 8.34 s on a formula simplification that was a NOOP. DAG size: 465 [2019-09-19 09:28:10,757 WARN L191 SmtUtils]: Spent 1.32 s on a formula simplification. DAG size of input: 439 DAG size of output: 1 [2019-09-19 09:28:20,809 WARN L191 SmtUtils]: Spent 9.99 s on a formula simplification. DAG size of input: 430 DAG size of output: 426 [2019-09-19 09:28:25,729 WARN L191 SmtUtils]: Spent 4.92 s on a formula simplification that was a NOOP. DAG size: 426 [2019-09-19 09:28:36,047 WARN L191 SmtUtils]: Spent 10.32 s on a formula simplification. DAG size of input: 434 DAG size of output: 428 [2019-09-19 09:28:41,059 WARN L191 SmtUtils]: Spent 5.01 s on a formula simplification that was a NOOP. DAG size: 428 [2019-09-19 09:28:54,476 WARN L191 SmtUtils]: Spent 13.41 s on a formula simplification. DAG size of input: 441 DAG size of output: 430 [2019-09-19 09:28:59,419 WARN L191 SmtUtils]: Spent 4.94 s on a formula simplification that was a NOOP. DAG size: 430 [2019-09-19 09:29:04,396 WARN L191 SmtUtils]: Spent 4.97 s on a formula simplification that was a NOOP. DAG size: 430 [2019-09-19 09:29:09,350 WARN L191 SmtUtils]: Spent 4.95 s on a formula simplification that was a NOOP. DAG size: 430 [2019-09-19 09:29:10,517 WARN L191 SmtUtils]: Spent 1.15 s on a formula simplification. DAG size of input: 436 DAG size of output: 1 [2019-09-19 09:29:20,579 WARN L191 SmtUtils]: Spent 10.06 s on a formula simplification. DAG size of input: 435 DAG size of output: 428 [2019-09-19 09:29:25,510 WARN L191 SmtUtils]: Spent 4.93 s on a formula simplification that was a NOOP. DAG size: 428 [2019-09-19 09:29:30,529 WARN L191 SmtUtils]: Spent 5.01 s on a formula simplification that was a NOOP. DAG size: 430 [2019-09-19 09:29:35,543 WARN L191 SmtUtils]: Spent 5.01 s on a formula simplification that was a NOOP. DAG size: 430 [2019-09-19 09:29:49,750 WARN L191 SmtUtils]: Spent 14.20 s on a formula simplification. DAG size of input: 471 DAG size of output: 456 [2019-09-19 09:29:55,151 WARN L191 SmtUtils]: Spent 5.40 s on a formula simplification that was a NOOP. DAG size: 456 [2019-09-19 09:30:05,742 WARN L191 SmtUtils]: Spent 10.58 s on a formula simplification. DAG size of input: 468 DAG size of output: 458 [2019-09-19 09:30:11,195 WARN L191 SmtUtils]: Spent 5.45 s on a formula simplification that was a NOOP. DAG size: 458 [2019-09-19 09:30:16,239 WARN L191 SmtUtils]: Spent 5.00 s on a formula simplification that was a NOOP. DAG size: 433 [2019-09-19 09:30:21,297 WARN L191 SmtUtils]: Spent 5.06 s on a formula simplification that was a NOOP. DAG size: 433 [2019-09-19 09:30:44,543 WARN L191 SmtUtils]: Spent 23.23 s on a formula simplification. DAG size of input: 476 DAG size of output: 469 [2019-09-19 09:30:55,118 WARN L191 SmtUtils]: Spent 10.57 s on a formula simplification that was a NOOP. DAG size: 469 [2019-09-19 09:30:56,525 WARN L191 SmtUtils]: Spent 1.32 s on a formula simplification. DAG size of input: 437 DAG size of output: 1 [2019-09-19 09:31:06,418 WARN L191 SmtUtils]: Spent 9.84 s on a formula simplification. DAG size of input: 428 DAG size of output: 426 [2019-09-19 09:31:11,295 WARN L191 SmtUtils]: Spent 4.88 s on a formula simplification that was a NOOP. DAG size: 426 [2019-09-19 09:31:21,267 WARN L191 SmtUtils]: Spent 9.97 s on a formula simplification. DAG size of input: 431 DAG size of output: 428 [2019-09-19 09:31:26,235 WARN L191 SmtUtils]: Spent 4.97 s on a formula simplification that was a NOOP. DAG size: 428 [2019-09-19 09:31:39,500 WARN L191 SmtUtils]: Spent 13.26 s on a formula simplification. DAG size of input: 440 DAG size of output: 430 [2019-09-19 09:31:44,485 WARN L191 SmtUtils]: Spent 4.98 s on a formula simplification that was a NOOP. DAG size: 430 [2019-09-19 09:31:49,509 WARN L191 SmtUtils]: Spent 5.02 s on a formula simplification that was a NOOP. DAG size: 430 [2019-09-19 09:31:54,477 WARN L191 SmtUtils]: Spent 4.97 s on a formula simplification that was a NOOP. DAG size: 430 [2019-09-19 09:31:56,210 WARN L191 SmtUtils]: Spent 1.71 s on a formula simplification. DAG size of input: 436 DAG size of output: 1 [2019-09-19 09:32:06,101 WARN L191 SmtUtils]: Spent 9.88 s on a formula simplification. DAG size of input: 435 DAG size of output: 428 [2019-09-19 09:32:10,968 WARN L191 SmtUtils]: Spent 4.87 s on a formula simplification that was a NOOP. DAG size: 428 [2019-09-19 09:32:15,932 WARN L191 SmtUtils]: Spent 4.96 s on a formula simplification that was a NOOP. DAG size: 430 [2019-09-19 09:32:20,950 WARN L191 SmtUtils]: Spent 5.02 s on a formula simplification that was a NOOP. DAG size: 430 [2019-09-19 09:32:38,465 WARN L191 SmtUtils]: Spent 17.50 s on a formula simplification. DAG size of input: 477 DAG size of output: 457 [2019-09-19 09:32:43,661 WARN L191 SmtUtils]: Spent 5.19 s on a formula simplification that was a NOOP. DAG size: 457 [2019-09-19 09:32:54,055 WARN L191 SmtUtils]: Spent 10.35 s on a formula simplification. DAG size of input: 435 DAG size of output: 429 [2019-09-19 09:32:59,039 WARN L191 SmtUtils]: Spent 4.98 s on a formula simplification that was a NOOP. DAG size: 429 [2019-09-19 09:33:09,124 WARN L191 SmtUtils]: Spent 10.04 s on a formula simplification. DAG size of input: 439 DAG size of output: 435 [2019-09-19 09:33:14,115 WARN L191 SmtUtils]: Spent 4.99 s on a formula simplification that was a NOOP. DAG size: 435 [2019-09-19 09:33:38,103 WARN L191 SmtUtils]: Spent 23.97 s on a formula simplification. DAG size of input: 482 DAG size of output: 476 [2019-09-19 09:33:48,294 WARN L191 SmtUtils]: Spent 10.19 s on a formula simplification that was a NOOP. DAG size: 476 [2019-09-19 09:33:50,304 WARN L191 SmtUtils]: Spent 1.94 s on a formula simplification. DAG size of input: 439 DAG size of output: 1 [2019-09-19 09:34:00,345 WARN L191 SmtUtils]: Spent 9.96 s on a formula simplification. DAG size of input: 432 DAG size of output: 428 [2019-09-19 09:34:05,331 WARN L191 SmtUtils]: Spent 4.98 s on a formula simplification that was a NOOP. DAG size: 428 [2019-09-19 09:34:15,608 WARN L191 SmtUtils]: Spent 10.27 s on a formula simplification. DAG size of input: 436 DAG size of output: 430 [2019-09-19 09:34:20,603 WARN L191 SmtUtils]: Spent 4.99 s on a formula simplification that was a NOOP. DAG size: 430 [2019-09-19 09:34:34,042 WARN L191 SmtUtils]: Spent 13.43 s on a formula simplification. DAG size of input: 444 DAG size of output: 432 [2019-09-19 09:34:39,111 WARN L191 SmtUtils]: Spent 5.07 s on a formula simplification that was a NOOP. DAG size: 432 [2019-09-19 09:34:44,150 WARN L191 SmtUtils]: Spent 5.03 s on a formula simplification that was a NOOP. DAG size: 432 [2019-09-19 09:34:49,123 WARN L191 SmtUtils]: Spent 4.97 s on a formula simplification that was a NOOP. DAG size: 432 [2019-09-19 09:34:50,844 WARN L191 SmtUtils]: Spent 1.70 s on a formula simplification. DAG size of input: 438 DAG size of output: 1 [2019-09-19 09:35:00,703 WARN L191 SmtUtils]: Spent 9.86 s on a formula simplification. DAG size of input: 437 DAG size of output: 430 [2019-09-19 09:35:05,630 WARN L191 SmtUtils]: Spent 4.93 s on a formula simplification that was a NOOP. DAG size: 430 [2019-09-19 09:35:10,724 WARN L191 SmtUtils]: Spent 5.09 s on a formula simplification that was a NOOP. DAG size: 432 [2019-09-19 09:35:15,710 WARN L191 SmtUtils]: Spent 4.99 s on a formula simplification that was a NOOP. DAG size: 432 [2019-09-19 09:35:20,797 WARN L191 SmtUtils]: Spent 5.02 s on a formula simplification that was a NOOP. DAG size: 435 [2019-09-19 09:35:25,776 WARN L191 SmtUtils]: Spent 4.98 s on a formula simplification that was a NOOP. DAG size: 435 [2019-09-19 09:35:56,187 WARN L191 SmtUtils]: Spent 30.39 s on a formula simplification. DAG size of input: 506 DAG size of output: 465 [2019-09-19 09:36:02,580 WARN L191 SmtUtils]: Spent 6.39 s on a formula simplification that was a NOOP. DAG size: 465 [2019-09-19 09:36:13,016 WARN L191 SmtUtils]: Spent 10.33 s on a formula simplification. DAG size of input: 430 DAG size of output: 428 [2019-09-19 09:36:18,147 WARN L191 SmtUtils]: Spent 5.13 s on a formula simplification that was a NOOP. DAG size: 428 [2019-09-19 09:36:28,530 WARN L191 SmtUtils]: Spent 10.38 s on a formula simplification. DAG size of input: 433 DAG size of output: 430 [2019-09-19 09:36:33,740 WARN L191 SmtUtils]: Spent 5.21 s on a formula simplification that was a NOOP. DAG size: 430 [2019-09-19 09:36:44,250 WARN L191 SmtUtils]: Spent 10.50 s on a formula simplification. DAG size of input: 442 DAG size of output: 432 [2019-09-19 09:36:49,349 WARN L191 SmtUtils]: Spent 5.10 s on a formula simplification that was a NOOP. DAG size: 432 [2019-09-19 09:36:54,549 WARN L191 SmtUtils]: Spent 5.19 s on a formula simplification that was a NOOP. DAG size: 432 [2019-09-19 09:36:59,722 WARN L191 SmtUtils]: Spent 5.17 s on a formula simplification that was a NOOP. DAG size: 432 [2019-09-19 09:37:01,270 WARN L191 SmtUtils]: Spent 1.52 s on a formula simplification. DAG size of input: 438 DAG size of output: 1 [2019-09-19 09:37:11,507 WARN L191 SmtUtils]: Spent 10.23 s on a formula simplification. DAG size of input: 437 DAG size of output: 430 [2019-09-19 09:37:16,484 WARN L191 SmtUtils]: Spent 4.98 s on a formula simplification that was a NOOP. DAG size: 430