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 TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/product-lines/minepump_spec2_product62.cil.c


--------------------------------------------------------------------------------


This is Ultimate 0.1.24-fea9116
[2019-09-21 08:33:57,128 INFO  L177        SettingsManager]: Resetting all preferences to default values...
[2019-09-21 08:33:57,130 INFO  L181        SettingsManager]: Resetting UltimateCore preferences to default values
[2019-09-21 08:33:57,141 INFO  L184        SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2019-09-21 08:33:57,142 INFO  L181        SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2019-09-21 08:33:57,143 INFO  L181        SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2019-09-21 08:33:57,144 INFO  L181        SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2019-09-21 08:33:57,146 INFO  L181        SettingsManager]: Resetting LassoRanker preferences to default values
[2019-09-21 08:33:57,147 INFO  L181        SettingsManager]: Resetting Reaching Definitions preferences to default values
[2019-09-21 08:33:57,148 INFO  L181        SettingsManager]: Resetting SyntaxChecker preferences to default values
[2019-09-21 08:33:57,149 INFO  L181        SettingsManager]: Resetting Sifa preferences to default values
[2019-09-21 08:33:57,150 INFO  L184        SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2019-09-21 08:33:57,150 INFO  L181        SettingsManager]: Resetting LTL2Aut preferences to default values
[2019-09-21 08:33:57,151 INFO  L181        SettingsManager]: Resetting PEA to Boogie preferences to default values
[2019-09-21 08:33:57,152 INFO  L181        SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2019-09-21 08:33:57,153 INFO  L181        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2019-09-21 08:33:57,154 INFO  L181        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2019-09-21 08:33:57,155 INFO  L181        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2019-09-21 08:33:57,157 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2019-09-21 08:33:57,159 INFO  L181        SettingsManager]: Resetting CodeCheck preferences to default values
[2019-09-21 08:33:57,161 INFO  L181        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2019-09-21 08:33:57,162 INFO  L181        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2019-09-21 08:33:57,163 INFO  L181        SettingsManager]: Resetting Referee preferences to default values
[2019-09-21 08:33:57,164 INFO  L181        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2019-09-21 08:33:57,166 INFO  L184        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2019-09-21 08:33:57,167 INFO  L184        SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2019-09-21 08:33:57,167 INFO  L181        SettingsManager]: Resetting TreeAutomizer preferences to default values
[2019-09-21 08:33:57,168 INFO  L181        SettingsManager]: Resetting IcfgToChc preferences to default values
[2019-09-21 08:33:57,168 INFO  L181        SettingsManager]: Resetting IcfgTransformer preferences to default values
[2019-09-21 08:33:57,169 INFO  L184        SettingsManager]: ReqToTest provides no preferences, ignoring...
[2019-09-21 08:33:57,169 INFO  L181        SettingsManager]: Resetting Boogie Printer preferences to default values
[2019-09-21 08:33:57,170 INFO  L181        SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2019-09-21 08:33:57,171 INFO  L181        SettingsManager]: Resetting ReqPrinter preferences to default values
[2019-09-21 08:33:57,172 INFO  L181        SettingsManager]: Resetting Witness Printer preferences to default values
[2019-09-21 08:33:57,173 INFO  L184        SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2019-09-21 08:33:57,173 INFO  L181        SettingsManager]: Resetting CDTParser preferences to default values
[2019-09-21 08:33:57,174 INFO  L184        SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2019-09-21 08:33:57,174 INFO  L184        SettingsManager]: ReqParser provides no preferences, ignoring...
[2019-09-21 08:33:57,174 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
[2019-09-21 08:33:57,175 INFO  L181        SettingsManager]: Resetting Witness Parser preferences to default values
[2019-09-21 08:33:57,176 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2019-09-21 08:33:57,177 INFO  L101        SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf
[2019-09-21 08:33:57,192 INFO  L113        SettingsManager]: Loading preferences was successful
[2019-09-21 08:33:57,192 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2019-09-21 08:33:57,193 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2019-09-21 08:33:57,194 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2019-09-21 08:33:57,194 INFO  L138        SettingsManager]:  * Use SBE=true
[2019-09-21 08:33:57,194 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2019-09-21 08:33:57,194 INFO  L138        SettingsManager]:  * sizeof long=4
[2019-09-21 08:33:57,194 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2019-09-21 08:33:57,195 INFO  L138        SettingsManager]:  * sizeof POINTER=4
[2019-09-21 08:33:57,195 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2019-09-21 08:33:57,195 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2019-09-21 08:33:57,195 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2019-09-21 08:33:57,195 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2019-09-21 08:33:57,196 INFO  L138        SettingsManager]:  * sizeof long double=12
[2019-09-21 08:33:57,196 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2019-09-21 08:33:57,196 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2019-09-21 08:33:57,196 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2019-09-21 08:33:57,196 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2019-09-21 08:33:57,197 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2019-09-21 08:33:57,197 INFO  L138        SettingsManager]:  * To the following directory=./dump/
[2019-09-21 08:33:57,197 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2019-09-21 08:33:57,197 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2019-09-21 08:33:57,197 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2019-09-21 08:33:57,198 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2019-09-21 08:33:57,198 INFO  L138        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2019-09-21 08:33:57,198 INFO  L138        SettingsManager]:  * Trace refinement strategy=CAMEL
[2019-09-21 08:33:57,198 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2019-09-21 08:33:57,198 INFO  L138        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2019-09-21 08:33:57,199 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 -> TopInputCallSummarizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Intern Fluid -> SizeLimitFluid
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK
[2019-09-21 08:33:57,230 INFO  L81    nceAwareModelManager]: Repository-Root is: /tmp
[2019-09-21 08:33:57,242 INFO  L258   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2019-09-21 08:33:57,246 INFO  L214   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2019-09-21 08:33:57,247 INFO  L271        PluginConnector]: Initializing CDTParser...
[2019-09-21 08:33:57,247 INFO  L275        PluginConnector]: CDTParser initialized
[2019-09-21 08:33:57,248 INFO  L428   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product62.cil.c
[2019-09-21 08:33:57,317 INFO  L220              CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d9a3fdd18/43bee9f3fa9a4f6fab7b3f33fc6e7f0d/FLAG565bf6626
[2019-09-21 08:33:57,881 INFO  L306              CDTParser]: Found 1 translation units.
[2019-09-21 08:33:57,882 INFO  L160              CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec2_product62.cil.c
[2019-09-21 08:33:57,900 INFO  L349              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d9a3fdd18/43bee9f3fa9a4f6fab7b3f33fc6e7f0d/FLAG565bf6626
[2019-09-21 08:33:58,207 INFO  L357              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d9a3fdd18/43bee9f3fa9a4f6fab7b3f33fc6e7f0d
[2019-09-21 08:33:58,217 INFO  L296   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2019-09-21 08:33:58,219 INFO  L131        ToolchainWalker]: Walking toolchain with 4 elements.
[2019-09-21 08:33:58,220 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2019-09-21 08:33:58,220 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2019-09-21 08:33:58,223 INFO  L275        PluginConnector]: CACSL2BoogieTranslator initialized
[2019-09-21 08:33:58,223 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 08:33:58" (1/1) ...
[2019-09-21 08:33:58,226 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4d534b78 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:33:58, skipping insertion in model container
[2019-09-21 08:33:58,226 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 08:33:58" (1/1) ...
[2019-09-21 08:33:58,232 INFO  L142         MainTranslator]: Starting translation in SV-COMP mode 
[2019-09-21 08:33:58,298 INFO  L173         MainTranslator]: Built tables and reachable declarations
[2019-09-21 08:33:58,713 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2019-09-21 08:33:58,727 INFO  L188         MainTranslator]: Completed pre-run
[2019-09-21 08:33:58,809 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2019-09-21 08:33:58,858 INFO  L192         MainTranslator]: Completed translation
[2019-09-21 08:33:58,859 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:33:58 WrapperNode
[2019-09-21 08:33:58,859 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2019-09-21 08:33:58,860 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2019-09-21 08:33:58,860 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2019-09-21 08:33:58,860 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2019-09-21 08:33:58,876 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:33:58" (1/1) ...
[2019-09-21 08:33:58,877 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:33:58" (1/1) ...
[2019-09-21 08:33:58,899 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:33:58" (1/1) ...
[2019-09-21 08:33:58,899 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:33:58" (1/1) ...
[2019-09-21 08:33:58,943 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:33:58" (1/1) ...
[2019-09-21 08:33:58,963 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:33:58" (1/1) ...
[2019-09-21 08:33:58,974 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:33:58" (1/1) ...
[2019-09-21 08:33:58,995 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2019-09-21 08:33:58,996 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2019-09-21 08:33:58,996 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2019-09-21 08:33:58,996 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2019-09-21 08:33:58,997 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:33:58" (1/1) ...
No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2019-09-21 08:33:59,068 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2019-09-21 08:33:59,069 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2019-09-21 08:33:59,069 INFO  L138     BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int
[2019-09-21 08:33:59,069 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set
[2019-09-21 08:33:59,069 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free
[2019-09-21 08:33:59,069 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset
[2019-09-21 08:33:59,070 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt
[2019-09-21 08:33:59,070 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg
[2019-09-21 08:33:59,070 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype
[2019-09-21 08:33:59,070 INFO  L138     BoogieDeclarations]: Found implementation of procedure cleanup
[2019-09-21 08:33:59,070 INFO  L138     BoogieDeclarations]: Found implementation of procedure Specification2
[2019-09-21 08:33:59,071 INFO  L138     BoogieDeclarations]: Found implementation of procedure setup
[2019-09-21 08:33:59,071 INFO  L138     BoogieDeclarations]: Found implementation of procedure runTest
[2019-09-21 08:33:59,071 INFO  L138     BoogieDeclarations]: Found implementation of procedure main
[2019-09-21 08:33:59,071 INFO  L138     BoogieDeclarations]: Found implementation of procedure __automaton_fail
[2019-09-21 08:33:59,071 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1
[2019-09-21 08:33:59,072 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2
[2019-09-21 08:33:59,072 INFO  L138     BoogieDeclarations]: Found implementation of procedure lowerWaterLevel
[2019-09-21 08:33:59,072 INFO  L138     BoogieDeclarations]: Found implementation of procedure waterRise
[2019-09-21 08:33:59,072 INFO  L138     BoogieDeclarations]: Found implementation of procedure changeMethaneLevel
[2019-09-21 08:33:59,072 INFO  L138     BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical
[2019-09-21 08:33:59,072 INFO  L138     BoogieDeclarations]: Found implementation of procedure printEnvironment
[2019-09-21 08:33:59,073 INFO  L138     BoogieDeclarations]: Found implementation of procedure getWaterLevel
[2019-09-21 08:33:59,073 INFO  L138     BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry
[2019-09-21 08:33:59,073 INFO  L138     BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry
[2019-09-21 08:33:59,073 INFO  L138     BoogieDeclarations]: Found implementation of procedure select_one
[2019-09-21 08:33:59,073 INFO  L138     BoogieDeclarations]: Found implementation of procedure select_features
[2019-09-21 08:33:59,074 INFO  L138     BoogieDeclarations]: Found implementation of procedure select_helpers
[2019-09-21 08:33:59,074 INFO  L138     BoogieDeclarations]: Found implementation of procedure valid_product
[2019-09-21 08:33:59,074 INFO  L138     BoogieDeclarations]: Found implementation of procedure test
[2019-09-21 08:33:59,074 INFO  L138     BoogieDeclarations]: Found implementation of procedure timeShift
[2019-09-21 08:33:59,074 INFO  L138     BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base
[2019-09-21 08:33:59,075 INFO  L138     BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor
[2019-09-21 08:33:59,075 INFO  L138     BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery
[2019-09-21 08:33:59,075 INFO  L138     BoogieDeclarations]: Found implementation of procedure processEnvironment
[2019-09-21 08:33:59,075 INFO  L138     BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor
[2019-09-21 08:33:59,075 INFO  L138     BoogieDeclarations]: Found implementation of procedure activatePump
[2019-09-21 08:33:59,075 INFO  L138     BoogieDeclarations]: Found implementation of procedure deactivatePump
[2019-09-21 08:33:59,076 INFO  L138     BoogieDeclarations]: Found implementation of procedure isMethaneAlarm
[2019-09-21 08:33:59,076 INFO  L138     BoogieDeclarations]: Found implementation of procedure isPumpRunning
[2019-09-21 08:33:59,076 INFO  L138     BoogieDeclarations]: Found implementation of procedure printPump
[2019-09-21 08:33:59,076 INFO  L138     BoogieDeclarations]: Found implementation of procedure isHighWaterLevel
[2019-09-21 08:33:59,076 INFO  L138     BoogieDeclarations]: Found implementation of procedure isLowWaterLevel
[2019-09-21 08:33:59,077 INFO  L138     BoogieDeclarations]: Found implementation of procedure startSystem
[2019-09-21 08:33:59,077 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_error
[2019-09-21 08:33:59,077 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int
[2019-09-21 08:33:59,077 INFO  L130     BoogieDeclarations]: Found specification of procedure printf
[2019-09-21 08:33:59,077 INFO  L130     BoogieDeclarations]: Found specification of procedure __assert_fail
[2019-09-21 08:33:59,077 INFO  L130     BoogieDeclarations]: Found specification of procedure malloc
[2019-09-21 08:33:59,078 INFO  L130     BoogieDeclarations]: Found specification of procedure free
[2019-09-21 08:33:59,078 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set
[2019-09-21 08:33:59,078 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap
[2019-09-21 08:33:59,078 INFO  L130     BoogieDeclarations]: Found specification of procedure write~$Pointer$
[2019-09-21 08:33:59,078 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int
[2019-09-21 08:33:59,078 INFO  L130     BoogieDeclarations]: Found specification of procedure read~$Pointer$
[2019-09-21 08:33:59,079 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free
[2019-09-21 08:33:59,079 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2019-09-21 08:33:59,079 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset
[2019-09-21 08:33:59,079 INFO  L130     BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int
[2019-09-21 08:33:59,079 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int
[2019-09-21 08:33:59,079 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt
[2019-09-21 08:33:59,080 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__get_this_arg
[2019-09-21 08:33:59,080 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2019-09-21 08:33:59,080 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype
[2019-09-21 08:33:59,080 INFO  L130     BoogieDeclarations]: Found specification of procedure timeShift
[2019-09-21 08:33:59,080 INFO  L130     BoogieDeclarations]: Found specification of procedure cleanup
[2019-09-21 08:33:59,080 INFO  L130     BoogieDeclarations]: Found specification of procedure printPump
[2019-09-21 08:33:59,081 INFO  L130     BoogieDeclarations]: Found specification of procedure waterRise
[2019-09-21 08:33:59,081 INFO  L130     BoogieDeclarations]: Found specification of procedure changeMethaneLevel
[2019-09-21 08:33:59,081 INFO  L130     BoogieDeclarations]: Found specification of procedure Specification2
[2019-09-21 08:33:59,081 INFO  L130     BoogieDeclarations]: Found specification of procedure setup
[2019-09-21 08:33:59,081 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1
[2019-09-21 08:33:59,081 INFO  L130     BoogieDeclarations]: Found specification of procedure test
[2019-09-21 08:33:59,082 INFO  L130     BoogieDeclarations]: Found specification of procedure runTest
[2019-09-21 08:33:59,082 INFO  L130     BoogieDeclarations]: Found specification of procedure select_helpers
[2019-09-21 08:33:59,082 INFO  L130     BoogieDeclarations]: Found specification of procedure select_features
[2019-09-21 08:33:59,082 INFO  L130     BoogieDeclarations]: Found specification of procedure valid_product
[2019-09-21 08:33:59,082 INFO  L130     BoogieDeclarations]: Found specification of procedure main
[2019-09-21 08:33:59,082 INFO  L130     BoogieDeclarations]: Found specification of procedure __automaton_fail
[2019-09-21 08:33:59,082 INFO  L130     BoogieDeclarations]: Found specification of procedure isPumpRunning
[2019-09-21 08:33:59,083 INFO  L130     BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical
[2019-09-21 08:33:59,083 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2
[2019-09-21 08:33:59,083 INFO  L130     BoogieDeclarations]: Found specification of procedure lowerWaterLevel
[2019-09-21 08:33:59,083 INFO  L130     BoogieDeclarations]: Found specification of procedure getWaterLevel
[2019-09-21 08:33:59,083 INFO  L130     BoogieDeclarations]: Found specification of procedure printEnvironment
[2019-09-21 08:33:59,083 INFO  L130     BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry
[2019-09-21 08:33:59,084 INFO  L130     BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry
[2019-09-21 08:33:59,084 INFO  L130     BoogieDeclarations]: Found specification of procedure select_one
[2019-09-21 08:33:59,084 INFO  L130     BoogieDeclarations]: Found specification of procedure startSystem
[2019-09-21 08:33:59,084 INFO  L130     BoogieDeclarations]: Found specification of procedure activatePump
[2019-09-21 08:33:59,084 INFO  L130     BoogieDeclarations]: Found specification of procedure deactivatePump
[2019-09-21 08:33:59,084 INFO  L130     BoogieDeclarations]: Found specification of procedure processEnvironment
[2019-09-21 08:33:59,085 INFO  L130     BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base
[2019-09-21 08:33:59,085 INFO  L130     BoogieDeclarations]: Found specification of procedure isHighWaterLevel
[2019-09-21 08:33:59,085 INFO  L130     BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor
[2019-09-21 08:33:59,085 INFO  L130     BoogieDeclarations]: Found specification of procedure isLowWaterLevel
[2019-09-21 08:33:59,085 INFO  L130     BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery
[2019-09-21 08:33:59,085 INFO  L130     BoogieDeclarations]: Found specification of procedure isMethaneAlarm
[2019-09-21 08:33:59,085 INFO  L130     BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor
[2019-09-21 08:33:59,086 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2019-09-21 08:33:59,086 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int
[2019-09-21 08:33:59,086 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2019-09-21 08:34:00,882 INFO  L278             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2019-09-21 08:34:00,882 INFO  L283             CfgBuilder]: Removed 5 assume(true) statements.
[2019-09-21 08:34:00,884 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 08:34:00 BoogieIcfgContainer
[2019-09-21 08:34:00,884 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2019-09-21 08:34:00,885 INFO  L113        PluginConnector]: ------------------------Sifa----------------------------
[2019-09-21 08:34:00,885 INFO  L271        PluginConnector]: Initializing Sifa...
[2019-09-21 08:34:00,885 INFO  L275        PluginConnector]: Sifa initialized
[2019-09-21 08:34:00,886 INFO  L185        PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 08:34:00" (1/1) ...
[2019-09-21 08:34:00,887 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_QUICK ♦ Intern Fluid=SizeLimitFluid
[2019-09-21 08:34:00,915 INFO  L162        IcfgInterpreter]: Started Sifa with 1 locations of interest
[2019-09-21 08:34:00,919 INFO  L169        IcfgInterpreter]: Building call graph
[2019-09-21 08:34:00,938 INFO  L174        IcfgInterpreter]: Initial procedures are [ULTIMATE.start]
[2019-09-21 08:34:00,946 INFO  L179        IcfgInterpreter]: Starting interpretation
[2019-09-21 08:34:00,947 INFO  L199        IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs
[2019-09-21 08:34:11,170 WARN  L191               SmtUtils]: Spent 322.00 ms on a formula simplification that was a NOOP. DAG size: 466
[2019-09-21 08:34:12,962 WARN  L191               SmtUtils]: Spent 423.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129
[2019-09-21 08:34:13,124 WARN  L191               SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 474
[2019-09-21 08:34:13,270 WARN  L191               SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 474
[2019-09-21 08:34:13,408 WARN  L191               SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 474
[2019-09-21 08:34:13,430 INFO  L199        IcfgInterpreter]: Interpreting procedure main with input of size 484 for LOIs
[2019-09-21 08:34:13,486 INFO  L199        IcfgInterpreter]: Interpreting procedure runTest with input of size 484 for LOIs
[2019-09-21 08:34:13,504 INFO  L199        IcfgInterpreter]: Interpreting procedure test with input of size 484 for LOIs
[2019-09-21 08:34:13,675 WARN  L191               SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 488
[2019-09-21 08:34:13,814 WARN  L191               SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 488
[2019-09-21 08:34:14,264 WARN  L191               SmtUtils]: Spent 367.00 ms on a formula simplification that was a NOOP. DAG size: 500
[2019-09-21 08:34:14,593 WARN  L191               SmtUtils]: Spent 326.00 ms on a formula simplification that was a NOOP. DAG size: 500
[2019-09-21 08:34:14,865 WARN  L191               SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 500
[2019-09-21 08:34:15,185 WARN  L191               SmtUtils]: Spent 318.00 ms on a formula simplification that was a NOOP. DAG size: 500
[2019-09-21 08:34:15,749 WARN  L191               SmtUtils]: Spent 524.00 ms on a formula simplification that was a NOOP. DAG size: 515
[2019-09-21 08:34:16,229 WARN  L191               SmtUtils]: Spent 478.00 ms on a formula simplification that was a NOOP. DAG size: 515
[2019-09-21 08:34:17,097 WARN  L191               SmtUtils]: Spent 792.00 ms on a formula simplification that was a NOOP. DAG size: 538
[2019-09-21 08:34:17,740 WARN  L191               SmtUtils]: Spent 641.00 ms on a formula simplification that was a NOOP. DAG size: 538
[2019-09-21 08:34:18,682 WARN  L191               SmtUtils]: Spent 596.00 ms on a formula simplification. DAG size of input: 524 DAG size of output: 524
[2019-09-21 08:34:19,180 WARN  L191               SmtUtils]: Spent 495.00 ms on a formula simplification that was a NOOP. DAG size: 524
[2019-09-21 08:34:19,874 WARN  L191               SmtUtils]: Spent 643.00 ms on a formula simplification that was a NOOP. DAG size: 533
[2019-09-21 08:34:20,580 WARN  L191               SmtUtils]: Spent 704.00 ms on a formula simplification that was a NOOP. DAG size: 533
[2019-09-21 08:34:21,195 WARN  L191               SmtUtils]: Spent 549.00 ms on a formula simplification. DAG size of input: 530 DAG size of output: 521
[2019-09-21 08:34:21,634 WARN  L191               SmtUtils]: Spent 437.00 ms on a formula simplification. DAG size of input: 521 DAG size of output: 521
[2019-09-21 08:34:22,666 WARN  L191               SmtUtils]: Spent 1.02 s on a formula simplification that was a NOOP. DAG size: 544
[2019-09-21 08:34:23,626 WARN  L191               SmtUtils]: Spent 957.00 ms on a formula simplification that was a NOOP. DAG size: 544
[2019-09-21 08:34:24,224 WARN  L191               SmtUtils]: Spent 595.00 ms on a formula simplification. DAG size of input: 550 DAG size of output: 544
[2019-09-21 08:34:24,748 WARN  L191               SmtUtils]: Spent 523.00 ms on a formula simplification. DAG size of input: 544 DAG size of output: 544
[2019-09-21 08:34:25,433 WARN  L191               SmtUtils]: Spent 660.00 ms on a formula simplification. DAG size of input: 569 DAG size of output: 554
[2019-09-21 08:34:25,825 WARN  L191               SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 515
[2019-09-21 08:34:26,102 WARN  L191               SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 515
[2019-09-21 08:34:26,694 WARN  L191               SmtUtils]: Spent 546.00 ms on a formula simplification that was a NOOP. DAG size: 538
[2019-09-21 08:34:27,245 WARN  L191               SmtUtils]: Spent 549.00 ms on a formula simplification that was a NOOP. DAG size: 538
[2019-09-21 08:34:27,661 WARN  L191               SmtUtils]: Spent 315.00 ms on a formula simplification. DAG size of input: 524 DAG size of output: 524
[2019-09-21 08:34:27,936 WARN  L191               SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 524
[2019-09-21 08:34:28,712 WARN  L191               SmtUtils]: Spent 731.00 ms on a formula simplification that was a NOOP. DAG size: 533
[2019-09-21 08:34:29,134 WARN  L191               SmtUtils]: Spent 420.00 ms on a formula simplification that was a NOOP. DAG size: 533
[2019-09-21 08:34:29,729 WARN  L191               SmtUtils]: Spent 537.00 ms on a formula simplification. DAG size of input: 529 DAG size of output: 521
[2019-09-21 08:34:30,296 WARN  L191               SmtUtils]: Spent 565.00 ms on a formula simplification. DAG size of input: 521 DAG size of output: 521
[2019-09-21 08:34:30,892 WARN  L191               SmtUtils]: Spent 580.00 ms on a formula simplification that was a NOOP. DAG size: 544
[2019-09-21 08:34:31,380 WARN  L191               SmtUtils]: Spent 487.00 ms on a formula simplification that was a NOOP. DAG size: 544
[2019-09-21 08:34:31,906 WARN  L191               SmtUtils]: Spent 523.00 ms on a formula simplification. DAG size of input: 548 DAG size of output: 546
[2019-09-21 08:34:32,405 WARN  L191               SmtUtils]: Spent 497.00 ms on a formula simplification. DAG size of input: 546 DAG size of output: 546
[2019-09-21 08:34:33,081 WARN  L191               SmtUtils]: Spent 652.00 ms on a formula simplification. DAG size of input: 569 DAG size of output: 554
[2019-09-21 08:34:33,133 INFO  L199        IcfgInterpreter]: Interpreting procedure cleanup with input of size 10 for LOIs
[2019-09-21 08:34:33,153 INFO  L199        IcfgInterpreter]: Interpreting procedure timeShift with input of size 10 for LOIs
[2019-09-21 08:34:33,163 INFO  L199        IcfgInterpreter]: Interpreting procedure __utac_acc__Specification2_spec__2 with input of size 3 for LOIs
[2019-09-21 08:34:33,166 INFO  L199        IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 19 for LOIs
[2019-09-21 08:34:33,167 INFO  L183        IcfgInterpreter]: Interpretation finished
[2019-09-21 08:34:33,168 INFO  L191        IcfgInterpreter]: Final predicates for locations of interest are:
[2019-09-21 08:34:33,170 INFO  L193        IcfgInterpreter]: Reachable states at location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 552#(and (not (= 0 ~methAndRunningLastTime~0)) (<= ~pumpRunning~0 2147483647) (not (= 0 ~methaneLevelCritical~0)) (<= 0 (+ ~pumpRunning~0 2147483648)) (<= 0 (+ ~methaneLevelCritical~0 2147483648)) (<= ~methaneLevelCritical~0 2147483647) (not (= ~pumpRunning~0 0)))
[2019-09-21 08:34:33,192 INFO  L104           SifaObserver]: ✘ Some error locations might be reachable, see reported results.
[2019-09-21 08:34:33,193 INFO  L132        PluginConnector]: ------------------------ END Sifa----------------------------
[2019-09-21 08:34:33,195 INFO  L168              Benchmark]: Toolchain (without parser) took 34975.95 ms. Allocated memory was 132.1 MB in the beginning and 989.3 MB in the end (delta: 857.2 MB). Free memory was 86.4 MB in the beginning and 797.8 MB in the end (delta: -711.4 MB). Peak memory consumption was 145.8 MB. Max. memory is 7.1 GB.
[2019-09-21 08:34:33,202 INFO  L168              Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 132.1 MB. Free memory is still 105.7 MB. There was no memory consumed. Max. memory is 7.1 GB.
[2019-09-21 08:34:33,204 INFO  L168              Benchmark]: CACSL2BoogieTranslator took 639.98 ms. Allocated memory was 132.1 MB in the beginning and 198.2 MB in the end (delta: 66.1 MB). Free memory was 86.0 MB in the beginning and 160.8 MB in the end (delta: -74.8 MB). Peak memory consumption was 27.0 MB. Max. memory is 7.1 GB.
[2019-09-21 08:34:33,206 INFO  L168              Benchmark]: Boogie Preprocessor took 135.75 ms. Allocated memory is still 198.2 MB. Free memory was 160.8 MB in the beginning and 156.3 MB in the end (delta: 4.6 MB). Peak memory consumption was 4.6 MB. Max. memory is 7.1 GB.
[2019-09-21 08:34:33,207 INFO  L168              Benchmark]: RCFGBuilder took 1888.29 ms. Allocated memory was 198.2 MB in the beginning and 221.2 MB in the end (delta: 23.1 MB). Free memory was 156.3 MB in the beginning and 131.1 MB in the end (delta: 25.2 MB). Peak memory consumption was 88.8 MB. Max. memory is 7.1 GB.
[2019-09-21 08:34:33,213 INFO  L168              Benchmark]: Sifa took 32308.21 ms. Allocated memory was 221.2 MB in the beginning and 989.3 MB in the end (delta: 768.1 MB). Free memory was 131.1 MB in the beginning and 797.8 MB in the end (delta: -666.7 MB). Peak memory consumption was 101.4 MB. Max. memory is 7.1 GB.
[2019-09-21 08:34:33,219 INFO  L335   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.23 ms. Allocated memory is still 132.1 MB. Free memory is still 105.7 MB. There was no memory consumed. Max. memory is 7.1 GB.
 * CACSL2BoogieTranslator took 639.98 ms. Allocated memory was 132.1 MB in the beginning and 198.2 MB in the end (delta: 66.1 MB). Free memory was 86.0 MB in the beginning and 160.8 MB in the end (delta: -74.8 MB). Peak memory consumption was 27.0 MB. Max. memory is 7.1 GB.
 * Boogie Preprocessor took 135.75 ms. Allocated memory is still 198.2 MB. Free memory was 160.8 MB in the beginning and 156.3 MB in the end (delta: 4.6 MB). Peak memory consumption was 4.6 MB. Max. memory is 7.1 GB.
 * RCFGBuilder took 1888.29 ms. Allocated memory was 198.2 MB in the beginning and 221.2 MB in the end (delta: 23.1 MB). Free memory was 156.3 MB in the beginning and 131.1 MB in the end (delta: 25.2 MB). Peak memory consumption was 88.8 MB. Max. memory is 7.1 GB.
 * Sifa took 32308.21 ms. Allocated memory was 221.2 MB in the beginning and 989.3 MB in the end (delta: 768.1 MB). Free memory was 131.1 MB in the beginning and 797.8 MB in the end (delta: -666.7 MB). Peak memory consumption was 101.4 MB. Max. memory is 7.1 GB.
 * Results from de.uni_freiburg.informatik.ultimate.plugins.sifa:
  - StatisticsResult: Symbolic Interpretation with Fluid Abstractions
    OVERALL_TIME[ms]: 32255, ICFG_INTERPRETER_ENTERED_PROCEDURES: 8, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 275, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 182, TOOLS_POST_TIME[ms]: 12312, TOOLS_POST_CALL_APPLICATIONS: 81, TOOLS_POST_CALL_TIME[ms]: 317, TOOLS_POST_RETURN_APPLICATIONS: 72, TOOLS_POST_RETURN_TIME[ms]: 213, TOOLS_QUANTIFIERELIM_APPLICATIONS: 335, TOOLS_QUANTIFIERELIM_TIME[ms]: 12706, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 12120, FLUID_QUERY_TIME[ms]: 12, FLUID_QUERIES: 282, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 89, DOMAIN_JOIN_TIME[ms]: 17599, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 4, DOMAIN_WIDEN_TIME[ms]: 1324, DOMAIN_ISSUBSETEQ_APPLICATIONS: 7, DOMAIN_ISSUBSETEQ_TIME[ms]: 48, DOMAIN_ISBOTTOM_APPLICATIONS: 47, DOMAIN_ISBOTTOM_TIME[ms]: 273, LOOP_SUMMARIZER_APPLICATIONS: 3, LOOP_SUMMARIZER_CACHE_MISSES: 3, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 13660, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 13659, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 7, CALL_SUMMARIZER_APPLICATIONS: 72, CALL_SUMMARIZER_CACHE_MISSES: 30, CALL_SUMMARIZER_OVERALL_TIME[ms]: 12655, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 12654, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 6, PATH_EXPR_TIME[ms]: 8, REGEX_TO_DAG_TIME[ms]: 5, DAG_COMPRESSION_TIME[ms]: 35, DAG_COMPRESSION_PROCESSED_NODES: 429, DAG_COMPRESSION_RETAINED_NODES: 244
  - UnprovableResult [Line: 516]: Unable to prove that call of __VERIFIER_error() unreachable
    Unable to prove that call of __VERIFIER_error() unreachable
 Reason: Over-approximation of reachable states at this location is 552#(and (not (= 0 ~methAndRunningLastTime~0)) (<= ~pumpRunning~0 2147483647) (not (= 0 ~methaneLevelCritical~0)) (<= 0 (+ ~pumpRunning~0 2147483648)) (<= 0 (+ ~methaneLevelCritical~0 2147483648)) (<= ~methaneLevelCritical~0 2147483647) (not (= ~pumpRunning~0 0))). 
Possible FailurePath: 

RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces
Received shutdown request...