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_spec4_product64.cil.c


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This is Ultimate 0.1.24-fea9116
[2019-09-21 08:36:26,075 INFO  L177        SettingsManager]: Resetting all preferences to default values...
[2019-09-21 08:36:26,077 INFO  L181        SettingsManager]: Resetting UltimateCore preferences to default values
[2019-09-21 08:36:26,089 INFO  L184        SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2019-09-21 08:36:26,090 INFO  L181        SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2019-09-21 08:36:26,091 INFO  L181        SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2019-09-21 08:36:26,092 INFO  L181        SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2019-09-21 08:36:26,094 INFO  L181        SettingsManager]: Resetting LassoRanker preferences to default values
[2019-09-21 08:36:26,096 INFO  L181        SettingsManager]: Resetting Reaching Definitions preferences to default values
[2019-09-21 08:36:26,097 INFO  L181        SettingsManager]: Resetting SyntaxChecker preferences to default values
[2019-09-21 08:36:26,098 INFO  L181        SettingsManager]: Resetting Sifa preferences to default values
[2019-09-21 08:36:26,100 INFO  L184        SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2019-09-21 08:36:26,100 INFO  L181        SettingsManager]: Resetting LTL2Aut preferences to default values
[2019-09-21 08:36:26,101 INFO  L181        SettingsManager]: Resetting PEA to Boogie preferences to default values
[2019-09-21 08:36:26,102 INFO  L181        SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2019-09-21 08:36:26,104 INFO  L181        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2019-09-21 08:36:26,105 INFO  L181        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2019-09-21 08:36:26,106 INFO  L181        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2019-09-21 08:36:26,108 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2019-09-21 08:36:26,110 INFO  L181        SettingsManager]: Resetting CodeCheck preferences to default values
[2019-09-21 08:36:26,112 INFO  L181        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2019-09-21 08:36:26,113 INFO  L181        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2019-09-21 08:36:26,115 INFO  L181        SettingsManager]: Resetting Referee preferences to default values
[2019-09-21 08:36:26,116 INFO  L181        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2019-09-21 08:36:26,119 INFO  L184        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2019-09-21 08:36:26,119 INFO  L184        SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2019-09-21 08:36:26,120 INFO  L181        SettingsManager]: Resetting TreeAutomizer preferences to default values
[2019-09-21 08:36:26,121 INFO  L181        SettingsManager]: Resetting IcfgToChc preferences to default values
[2019-09-21 08:36:26,121 INFO  L181        SettingsManager]: Resetting IcfgTransformer preferences to default values
[2019-09-21 08:36:26,122 INFO  L184        SettingsManager]: ReqToTest provides no preferences, ignoring...
[2019-09-21 08:36:26,123 INFO  L181        SettingsManager]: Resetting Boogie Printer preferences to default values
[2019-09-21 08:36:26,124 INFO  L181        SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2019-09-21 08:36:26,125 INFO  L181        SettingsManager]: Resetting ReqPrinter preferences to default values
[2019-09-21 08:36:26,125 INFO  L181        SettingsManager]: Resetting Witness Printer preferences to default values
[2019-09-21 08:36:26,127 INFO  L184        SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2019-09-21 08:36:26,127 INFO  L181        SettingsManager]: Resetting CDTParser preferences to default values
[2019-09-21 08:36:26,128 INFO  L184        SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2019-09-21 08:36:26,128 INFO  L184        SettingsManager]: ReqParser provides no preferences, ignoring...
[2019-09-21 08:36:26,128 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
[2019-09-21 08:36:26,129 INFO  L181        SettingsManager]: Resetting Witness Parser preferences to default values
[2019-09-21 08:36:26,130 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2019-09-21 08:36:26,131 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 08:36:26,158 INFO  L113        SettingsManager]: Loading preferences was successful
[2019-09-21 08:36:26,158 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2019-09-21 08:36:26,161 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2019-09-21 08:36:26,161 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2019-09-21 08:36:26,161 INFO  L138        SettingsManager]:  * Use SBE=true
[2019-09-21 08:36:26,161 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2019-09-21 08:36:26,162 INFO  L138        SettingsManager]:  * sizeof long=4
[2019-09-21 08:36:26,162 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2019-09-21 08:36:26,163 INFO  L138        SettingsManager]:  * sizeof POINTER=4
[2019-09-21 08:36:26,163 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2019-09-21 08:36:26,164 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2019-09-21 08:36:26,165 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2019-09-21 08:36:26,165 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2019-09-21 08:36:26,165 INFO  L138        SettingsManager]:  * sizeof long double=12
[2019-09-21 08:36:26,165 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2019-09-21 08:36:26,166 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2019-09-21 08:36:26,166 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2019-09-21 08:36:26,166 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2019-09-21 08:36:26,166 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2019-09-21 08:36:26,166 INFO  L138        SettingsManager]:  * To the following directory=./dump/
[2019-09-21 08:36:26,167 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2019-09-21 08:36:26,167 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2019-09-21 08:36:26,167 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2019-09-21 08:36:26,168 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2019-09-21 08:36:26,168 INFO  L138        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2019-09-21 08:36:26,168 INFO  L138        SettingsManager]:  * Trace refinement strategy=CAMEL
[2019-09-21 08:36:26,168 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2019-09-21 08:36:26,169 INFO  L138        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2019-09-21 08:36:26,169 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 08:36:26,220 INFO  L81    nceAwareModelManager]: Repository-Root is: /tmp
[2019-09-21 08:36:26,233 INFO  L258   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2019-09-21 08:36:26,236 INFO  L214   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2019-09-21 08:36:26,238 INFO  L271        PluginConnector]: Initializing CDTParser...
[2019-09-21 08:36:26,238 INFO  L275        PluginConnector]: CDTParser initialized
[2019-09-21 08:36:26,239 INFO  L428   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product64.cil.c
[2019-09-21 08:36:26,300 INFO  L220              CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3b65611b3/b0b798ed5ac54b878b775181f1cf90fb/FLAG0523e5d8b
[2019-09-21 08:36:26,819 INFO  L306              CDTParser]: Found 1 translation units.
[2019-09-21 08:36:26,820 INFO  L160              CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec4_product64.cil.c
[2019-09-21 08:36:26,849 INFO  L349              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3b65611b3/b0b798ed5ac54b878b775181f1cf90fb/FLAG0523e5d8b
[2019-09-21 08:36:27,121 INFO  L357              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3b65611b3/b0b798ed5ac54b878b775181f1cf90fb
[2019-09-21 08:36:27,131 INFO  L296   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2019-09-21 08:36:27,132 INFO  L131        ToolchainWalker]: Walking toolchain with 4 elements.
[2019-09-21 08:36:27,133 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2019-09-21 08:36:27,134 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2019-09-21 08:36:27,137 INFO  L275        PluginConnector]: CACSL2BoogieTranslator initialized
[2019-09-21 08:36:27,138 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 08:36:27" (1/1) ...
[2019-09-21 08:36:27,141 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@49b78263 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:36:27, skipping insertion in model container
[2019-09-21 08:36:27,142 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 08:36:27" (1/1) ...
[2019-09-21 08:36:27,149 INFO  L142         MainTranslator]: Starting translation in SV-COMP mode 
[2019-09-21 08:36:27,214 INFO  L173         MainTranslator]: Built tables and reachable declarations
[2019-09-21 08:36:27,710 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2019-09-21 08:36:27,726 INFO  L188         MainTranslator]: Completed pre-run
[2019-09-21 08:36:27,825 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2019-09-21 08:36:27,873 INFO  L192         MainTranslator]: Completed translation
[2019-09-21 08:36:27,873 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:36:27 WrapperNode
[2019-09-21 08:36:27,873 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2019-09-21 08:36:27,874 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2019-09-21 08:36:27,874 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2019-09-21 08:36:27,874 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2019-09-21 08:36:27,885 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:36:27" (1/1) ...
[2019-09-21 08:36:27,885 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:36:27" (1/1) ...
[2019-09-21 08:36:27,904 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:36:27" (1/1) ...
[2019-09-21 08:36:27,904 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:36:27" (1/1) ...
[2019-09-21 08:36:27,937 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:36:27" (1/1) ...
[2019-09-21 08:36:27,948 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:36:27" (1/1) ...
[2019-09-21 08:36:27,953 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:36:27" (1/1) ...
[2019-09-21 08:36:27,962 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2019-09-21 08:36:27,962 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2019-09-21 08:36:27,963 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2019-09-21 08:36:27,963 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2019-09-21 08:36:27,964 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:36:27" (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 08:36:28,029 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2019-09-21 08:36:28,030 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2019-09-21 08:36:28,030 INFO  L138     BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int
[2019-09-21 08:36:28,030 INFO  L138     BoogieDeclarations]: Found implementation of procedure cleanup
[2019-09-21 08:36:28,030 INFO  L138     BoogieDeclarations]: Found implementation of procedure Specification2
[2019-09-21 08:36:28,030 INFO  L138     BoogieDeclarations]: Found implementation of procedure setup
[2019-09-21 08:36:28,030 INFO  L138     BoogieDeclarations]: Found implementation of procedure runTest
[2019-09-21 08:36:28,031 INFO  L138     BoogieDeclarations]: Found implementation of procedure main
[2019-09-21 08:36:28,031 INFO  L138     BoogieDeclarations]: Found implementation of procedure __automaton_fail
[2019-09-21 08:36:28,031 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1
[2019-09-21 08:36:28,031 INFO  L138     BoogieDeclarations]: Found implementation of procedure test
[2019-09-21 08:36:28,031 INFO  L138     BoogieDeclarations]: Found implementation of procedure timeShift
[2019-09-21 08:36:28,032 INFO  L138     BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base
[2019-09-21 08:36:28,032 INFO  L138     BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor
[2019-09-21 08:36:28,032 INFO  L138     BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery
[2019-09-21 08:36:28,032 INFO  L138     BoogieDeclarations]: Found implementation of procedure processEnvironment
[2019-09-21 08:36:28,032 INFO  L138     BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor
[2019-09-21 08:36:28,033 INFO  L138     BoogieDeclarations]: Found implementation of procedure activatePump
[2019-09-21 08:36:28,033 INFO  L138     BoogieDeclarations]: Found implementation of procedure deactivatePump
[2019-09-21 08:36:28,033 INFO  L138     BoogieDeclarations]: Found implementation of procedure isMethaneAlarm
[2019-09-21 08:36:28,033 INFO  L138     BoogieDeclarations]: Found implementation of procedure isPumpRunning
[2019-09-21 08:36:28,033 INFO  L138     BoogieDeclarations]: Found implementation of procedure printPump
[2019-09-21 08:36:28,033 INFO  L138     BoogieDeclarations]: Found implementation of procedure isHighWaterLevel
[2019-09-21 08:36:28,034 INFO  L138     BoogieDeclarations]: Found implementation of procedure isLowWaterLevel
[2019-09-21 08:36:28,034 INFO  L138     BoogieDeclarations]: Found implementation of procedure stopSystem
[2019-09-21 08:36:28,034 INFO  L138     BoogieDeclarations]: Found implementation of procedure startSystem
[2019-09-21 08:36:28,034 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set
[2019-09-21 08:36:28,034 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free
[2019-09-21 08:36:28,034 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset
[2019-09-21 08:36:28,034 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt
[2019-09-21 08:36:28,035 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg
[2019-09-21 08:36:28,035 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype
[2019-09-21 08:36:28,035 INFO  L138     BoogieDeclarations]: Found implementation of procedure lowerWaterLevel
[2019-09-21 08:36:28,035 INFO  L138     BoogieDeclarations]: Found implementation of procedure waterRise
[2019-09-21 08:36:28,035 INFO  L138     BoogieDeclarations]: Found implementation of procedure changeMethaneLevel
[2019-09-21 08:36:28,035 INFO  L138     BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical
[2019-09-21 08:36:28,036 INFO  L138     BoogieDeclarations]: Found implementation of procedure printEnvironment
[2019-09-21 08:36:28,036 INFO  L138     BoogieDeclarations]: Found implementation of procedure getWaterLevel
[2019-09-21 08:36:28,036 INFO  L138     BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry
[2019-09-21 08:36:28,036 INFO  L138     BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry
[2019-09-21 08:36:28,036 INFO  L138     BoogieDeclarations]: Found implementation of procedure select_one
[2019-09-21 08:36:28,036 INFO  L138     BoogieDeclarations]: Found implementation of procedure select_features
[2019-09-21 08:36:28,036 INFO  L138     BoogieDeclarations]: Found implementation of procedure select_helpers
[2019-09-21 08:36:28,037 INFO  L138     BoogieDeclarations]: Found implementation of procedure valid_product
[2019-09-21 08:36:28,037 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_error
[2019-09-21 08:36:28,037 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int
[2019-09-21 08:36:28,037 INFO  L130     BoogieDeclarations]: Found specification of procedure printf
[2019-09-21 08:36:28,037 INFO  L130     BoogieDeclarations]: Found specification of procedure timeShift
[2019-09-21 08:36:28,037 INFO  L130     BoogieDeclarations]: Found specification of procedure cleanup
[2019-09-21 08:36:28,038 INFO  L130     BoogieDeclarations]: Found specification of procedure printPump
[2019-09-21 08:36:28,038 INFO  L130     BoogieDeclarations]: Found specification of procedure waterRise
[2019-09-21 08:36:28,038 INFO  L130     BoogieDeclarations]: Found specification of procedure changeMethaneLevel
[2019-09-21 08:36:28,038 INFO  L130     BoogieDeclarations]: Found specification of procedure Specification2
[2019-09-21 08:36:28,038 INFO  L130     BoogieDeclarations]: Found specification of procedure setup
[2019-09-21 08:36:28,038 INFO  L130     BoogieDeclarations]: Found specification of procedure test
[2019-09-21 08:36:28,039 INFO  L130     BoogieDeclarations]: Found specification of procedure runTest
[2019-09-21 08:36:28,039 INFO  L130     BoogieDeclarations]: Found specification of procedure select_helpers
[2019-09-21 08:36:28,039 INFO  L130     BoogieDeclarations]: Found specification of procedure select_features
[2019-09-21 08:36:28,039 INFO  L130     BoogieDeclarations]: Found specification of procedure valid_product
[2019-09-21 08:36:28,039 INFO  L130     BoogieDeclarations]: Found specification of procedure main
[2019-09-21 08:36:28,039 INFO  L130     BoogieDeclarations]: Found specification of procedure __automaton_fail
[2019-09-21 08:36:28,040 INFO  L130     BoogieDeclarations]: Found specification of procedure isPumpRunning
[2019-09-21 08:36:28,040 INFO  L130     BoogieDeclarations]: Found specification of procedure getWaterLevel
[2019-09-21 08:36:28,040 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1
[2019-09-21 08:36:28,040 INFO  L130     BoogieDeclarations]: Found specification of procedure startSystem
[2019-09-21 08:36:28,040 INFO  L130     BoogieDeclarations]: Found specification of procedure stopSystem
[2019-09-21 08:36:28,040 INFO  L130     BoogieDeclarations]: Found specification of procedure lowerWaterLevel
[2019-09-21 08:36:28,041 INFO  L130     BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical
[2019-09-21 08:36:28,041 INFO  L130     BoogieDeclarations]: Found specification of procedure printEnvironment
[2019-09-21 08:36:28,041 INFO  L130     BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry
[2019-09-21 08:36:28,041 INFO  L130     BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry
[2019-09-21 08:36:28,041 INFO  L130     BoogieDeclarations]: Found specification of procedure activatePump
[2019-09-21 08:36:28,041 INFO  L130     BoogieDeclarations]: Found specification of procedure deactivatePump
[2019-09-21 08:36:28,042 INFO  L130     BoogieDeclarations]: Found specification of procedure processEnvironment
[2019-09-21 08:36:28,042 INFO  L130     BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base
[2019-09-21 08:36:28,042 INFO  L130     BoogieDeclarations]: Found specification of procedure isHighWaterLevel
[2019-09-21 08:36:28,042 INFO  L130     BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor
[2019-09-21 08:36:28,042 INFO  L130     BoogieDeclarations]: Found specification of procedure isLowWaterLevel
[2019-09-21 08:36:28,042 INFO  L130     BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery
[2019-09-21 08:36:28,043 INFO  L130     BoogieDeclarations]: Found specification of procedure isMethaneAlarm
[2019-09-21 08:36:28,043 INFO  L130     BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor
[2019-09-21 08:36:28,043 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2019-09-21 08:36:28,043 INFO  L130     BoogieDeclarations]: Found specification of procedure __assert_fail
[2019-09-21 08:36:28,043 INFO  L130     BoogieDeclarations]: Found specification of procedure malloc
[2019-09-21 08:36:28,043 INFO  L130     BoogieDeclarations]: Found specification of procedure free
[2019-09-21 08:36:28,044 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set
[2019-09-21 08:36:28,044 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap
[2019-09-21 08:36:28,044 INFO  L130     BoogieDeclarations]: Found specification of procedure write~$Pointer$
[2019-09-21 08:36:28,044 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int
[2019-09-21 08:36:28,044 INFO  L130     BoogieDeclarations]: Found specification of procedure read~$Pointer$
[2019-09-21 08:36:28,044 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free
[2019-09-21 08:36:28,044 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2019-09-21 08:36:28,045 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset
[2019-09-21 08:36:28,045 INFO  L130     BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int
[2019-09-21 08:36:28,045 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int
[2019-09-21 08:36:28,045 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt
[2019-09-21 08:36:28,045 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__get_this_arg
[2019-09-21 08:36:28,045 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype
[2019-09-21 08:36:28,046 INFO  L130     BoogieDeclarations]: Found specification of procedure select_one
[2019-09-21 08:36:28,046 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2019-09-21 08:36:28,046 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int
[2019-09-21 08:36:28,046 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2019-09-21 08:36:29,798 INFO  L278             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2019-09-21 08:36:29,798 INFO  L283             CfgBuilder]: Removed 5 assume(true) statements.
[2019-09-21 08:36:29,800 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 08:36:29 BoogieIcfgContainer
[2019-09-21 08:36:29,801 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2019-09-21 08:36:29,802 INFO  L113        PluginConnector]: ------------------------Sifa----------------------------
[2019-09-21 08:36:29,802 INFO  L271        PluginConnector]: Initializing Sifa...
[2019-09-21 08:36:29,802 INFO  L275        PluginConnector]: Sifa initialized
[2019-09-21 08:36:29,804 INFO  L185        PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 08:36:29" (1/1) ...
[2019-09-21 08:36:29,806 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 08:36:29,842 INFO  L162        IcfgInterpreter]: Started Sifa with 1 locations of interest
[2019-09-21 08:36:29,842 INFO  L169        IcfgInterpreter]: Building call graph
[2019-09-21 08:36:29,860 INFO  L174        IcfgInterpreter]: Initial procedures are [ULTIMATE.start]
[2019-09-21 08:36:29,869 INFO  L179        IcfgInterpreter]: Starting interpretation
[2019-09-21 08:36:29,870 INFO  L199        IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs
[2019-09-21 08:36:39,927 WARN  L191               SmtUtils]: Spent 321.00 ms on a formula simplification that was a NOOP. DAG size: 464
[2019-09-21 08:36:41,633 WARN  L191               SmtUtils]: Spent 407.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129
[2019-09-21 08:36:41,798 WARN  L191               SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 472
[2019-09-21 08:36:41,958 WARN  L191               SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 472
[2019-09-21 08:36:42,091 WARN  L191               SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 472
[2019-09-21 08:36:42,106 INFO  L199        IcfgInterpreter]: Interpreting procedure main with input of size 480 for LOIs
[2019-09-21 08:36:42,155 INFO  L199        IcfgInterpreter]: Interpreting procedure runTest with input of size 480 for LOIs
[2019-09-21 08:36:42,161 INFO  L199        IcfgInterpreter]: Interpreting procedure test with input of size 480 for LOIs
[2019-09-21 08:36:42,762 WARN  L191               SmtUtils]: Spent 470.00 ms on a formula simplification that was a NOOP. DAG size: 505
[2019-09-21 08:36:43,114 WARN  L191               SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 505
[2019-09-21 08:36:43,444 WARN  L191               SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 510
[2019-09-21 08:36:43,717 WARN  L191               SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 510
[2019-09-21 08:36:44,012 WARN  L191               SmtUtils]: Spent 293.00 ms on a formula simplification that was a NOOP. DAG size: 510
[2019-09-21 08:36:44,230 WARN  L191               SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 510
[2019-09-21 08:36:44,642 WARN  L191               SmtUtils]: Spent 383.00 ms on a formula simplification that was a NOOP. DAG size: 521
[2019-09-21 08:36:45,009 WARN  L191               SmtUtils]: Spent 366.00 ms on a formula simplification that was a NOOP. DAG size: 521
[2019-09-21 08:36:45,505 WARN  L191               SmtUtils]: Spent 493.00 ms on a formula simplification that was a NOOP. DAG size: 526
[2019-09-21 08:36:45,883 WARN  L191               SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 496
[2019-09-21 08:36:46,831 INFO  L199        IcfgInterpreter]: Interpreting procedure cleanup with input of size 7 for LOIs
[2019-09-21 08:36:46,880 INFO  L199        IcfgInterpreter]: Interpreting procedure timeShift with input of size 7 for LOIs
[2019-09-21 08:36:46,892 INFO  L199        IcfgInterpreter]: Interpreting procedure __utac_acc__Specification4_spec__1 with input of size 1 for LOIs
[2019-09-21 08:36:46,896 INFO  L199        IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 15 for LOIs
[2019-09-21 08:36:46,898 INFO  L183        IcfgInterpreter]: Interpretation finished
[2019-09-21 08:36:46,898 INFO  L191        IcfgInterpreter]: Final predicates for locations of interest are:
[2019-09-21 08:36:46,901 INFO  L193        IcfgInterpreter]: Reachable states at location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 1123#(and (<= ~waterLevel~0 2147483647) (<= ~pumpRunning~0 2147483647) (<= 0 (+ ~waterLevel~0 2147483648)) (<= 0 (+ ~pumpRunning~0 2147483648)) (= 0 ~waterLevel~0) (not (= ~pumpRunning~0 0)))
[2019-09-21 08:36:46,915 INFO  L104           SifaObserver]: ✘ Some error locations might be reachable, see reported results.
[2019-09-21 08:36:46,916 INFO  L132        PluginConnector]: ------------------------ END Sifa----------------------------
[2019-09-21 08:36:46,918 INFO  L168              Benchmark]: Toolchain (without parser) took 19785.31 ms. Allocated memory was 137.4 MB in the beginning and 564.7 MB in the end (delta: 427.3 MB). Free memory was 83.6 MB in the beginning and 156.7 MB in the end (delta: -73.1 MB). Peak memory consumption was 354.2 MB. Max. memory is 7.1 GB.
[2019-09-21 08:36:46,927 INFO  L168              Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 137.4 MB. Free memory was 103.4 MB in the beginning and 103.2 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB.
[2019-09-21 08:36:46,928 INFO  L168              Benchmark]: CACSL2BoogieTranslator took 740.39 ms. Allocated memory was 137.4 MB in the beginning and 198.2 MB in the end (delta: 60.8 MB). Free memory was 83.4 MB in the beginning and 160.1 MB in the end (delta: -76.7 MB). Peak memory consumption was 22.4 MB. Max. memory is 7.1 GB.
[2019-09-21 08:36:46,929 INFO  L168              Benchmark]: Boogie Preprocessor took 87.80 ms. Allocated memory is still 198.2 MB. Free memory was 160.1 MB in the beginning and 156.1 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB.
[2019-09-21 08:36:46,933 INFO  L168              Benchmark]: RCFGBuilder took 1838.89 ms. Allocated memory was 198.2 MB in the beginning and 217.6 MB in the end (delta: 19.4 MB). Free memory was 155.5 MB in the beginning and 132.7 MB in the end (delta: 22.8 MB). Peak memory consumption was 91.6 MB. Max. memory is 7.1 GB.
[2019-09-21 08:36:46,934 INFO  L168              Benchmark]: Sifa took 17114.23 ms. Allocated memory was 217.6 MB in the beginning and 564.7 MB in the end (delta: 347.1 MB). Free memory was 132.7 MB in the beginning and 156.7 MB in the end (delta: -24.0 MB). Peak memory consumption was 323.1 MB. Max. memory is 7.1 GB.
[2019-09-21 08:36:46,945 INFO  L335   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.22 ms. Allocated memory is still 137.4 MB. Free memory was 103.4 MB in the beginning and 103.2 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB.
 * CACSL2BoogieTranslator took 740.39 ms. Allocated memory was 137.4 MB in the beginning and 198.2 MB in the end (delta: 60.8 MB). Free memory was 83.4 MB in the beginning and 160.1 MB in the end (delta: -76.7 MB). Peak memory consumption was 22.4 MB. Max. memory is 7.1 GB.
 * Boogie Preprocessor took 87.80 ms. Allocated memory is still 198.2 MB. Free memory was 160.1 MB in the beginning and 156.1 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB.
 * RCFGBuilder took 1838.89 ms. Allocated memory was 198.2 MB in the beginning and 217.6 MB in the end (delta: 19.4 MB). Free memory was 155.5 MB in the beginning and 132.7 MB in the end (delta: 22.8 MB). Peak memory consumption was 91.6 MB. Max. memory is 7.1 GB.
 * Sifa took 17114.23 ms. Allocated memory was 217.6 MB in the beginning and 564.7 MB in the end (delta: 347.1 MB). Free memory was 132.7 MB in the beginning and 156.7 MB in the end (delta: -24.0 MB). Peak memory consumption was 323.1 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]: 17059, ICFG_INTERPRETER_ENTERED_PROCEDURES: 8, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 514, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 360, TOOLS_POST_TIME[ms]: 11977, TOOLS_POST_CALL_APPLICATIONS: 134, TOOLS_POST_CALL_TIME[ms]: 219, TOOLS_POST_RETURN_APPLICATIONS: 125, TOOLS_POST_RETURN_TIME[ms]: 95, TOOLS_QUANTIFIERELIM_APPLICATIONS: 619, TOOLS_QUANTIFIERELIM_TIME[ms]: 12139, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 11862, FLUID_QUERY_TIME[ms]: 19, FLUID_QUERIES: 529, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 206, DOMAIN_JOIN_TIME[ms]: 4172, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 3, DOMAIN_WIDEN_TIME[ms]: 170, DOMAIN_ISSUBSETEQ_APPLICATIONS: 15, DOMAIN_ISSUBSETEQ_TIME[ms]: 20, DOMAIN_ISBOTTOM_APPLICATIONS: 110, DOMAIN_ISBOTTOM_TIME[ms]: 205, LOOP_SUMMARIZER_APPLICATIONS: 12, LOOP_SUMMARIZER_CACHE_MISSES: 12, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 4295, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 4294, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 15, CALL_SUMMARIZER_APPLICATIONS: 125, CALL_SUMMARIZER_CACHE_MISSES: 32, CALL_SUMMARIZER_OVERALL_TIME[ms]: 12418, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 12417, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 6, PATH_EXPR_TIME[ms]: 7, REGEX_TO_DAG_TIME[ms]: 6, DAG_COMPRESSION_TIME[ms]: 45, DAG_COMPRESSION_PROCESSED_NODES: 1339, DAG_COMPRESSION_RETAINED_NODES: 359
  - UnprovableResult [Line: 148]: 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 1123#(and (<= ~waterLevel~0 2147483647) (<= ~pumpRunning~0 2147483647) (<= 0 (+ ~waterLevel~0 2147483648)) (<= 0 (+ ~pumpRunning~0 2147483648)) (= 0 ~waterLevel~0) (not (= ~pumpRunning~0 0))). 
Possible FailurePath: 

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