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_product01.cil.c


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


This is Ultimate 0.1.24-fea9116
[2019-09-21 08:34:42,167 INFO  L177        SettingsManager]: Resetting all preferences to default values...
[2019-09-21 08:34:42,169 INFO  L181        SettingsManager]: Resetting UltimateCore preferences to default values
[2019-09-21 08:34:42,181 INFO  L184        SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2019-09-21 08:34:42,182 INFO  L181        SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2019-09-21 08:34:42,183 INFO  L181        SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2019-09-21 08:34:42,184 INFO  L181        SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2019-09-21 08:34:42,186 INFO  L181        SettingsManager]: Resetting LassoRanker preferences to default values
[2019-09-21 08:34:42,188 INFO  L181        SettingsManager]: Resetting Reaching Definitions preferences to default values
[2019-09-21 08:34:42,188 INFO  L181        SettingsManager]: Resetting SyntaxChecker preferences to default values
[2019-09-21 08:34:42,189 INFO  L181        SettingsManager]: Resetting Sifa preferences to default values
[2019-09-21 08:34:42,191 INFO  L184        SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2019-09-21 08:34:42,191 INFO  L181        SettingsManager]: Resetting LTL2Aut preferences to default values
[2019-09-21 08:34:42,192 INFO  L181        SettingsManager]: Resetting PEA to Boogie preferences to default values
[2019-09-21 08:34:42,193 INFO  L181        SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2019-09-21 08:34:42,194 INFO  L181        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2019-09-21 08:34:42,195 INFO  L181        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2019-09-21 08:34:42,196 INFO  L181        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2019-09-21 08:34:42,198 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2019-09-21 08:34:42,200 INFO  L181        SettingsManager]: Resetting CodeCheck preferences to default values
[2019-09-21 08:34:42,202 INFO  L181        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2019-09-21 08:34:42,203 INFO  L181        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2019-09-21 08:34:42,204 INFO  L181        SettingsManager]: Resetting Referee preferences to default values
[2019-09-21 08:34:42,205 INFO  L181        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2019-09-21 08:34:42,208 INFO  L184        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2019-09-21 08:34:42,208 INFO  L184        SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2019-09-21 08:34:42,208 INFO  L181        SettingsManager]: Resetting TreeAutomizer preferences to default values
[2019-09-21 08:34:42,209 INFO  L181        SettingsManager]: Resetting IcfgToChc preferences to default values
[2019-09-21 08:34:42,210 INFO  L181        SettingsManager]: Resetting IcfgTransformer preferences to default values
[2019-09-21 08:34:42,211 INFO  L184        SettingsManager]: ReqToTest provides no preferences, ignoring...
[2019-09-21 08:34:42,211 INFO  L181        SettingsManager]: Resetting Boogie Printer preferences to default values
[2019-09-21 08:34:42,212 INFO  L181        SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2019-09-21 08:34:42,213 INFO  L181        SettingsManager]: Resetting ReqPrinter preferences to default values
[2019-09-21 08:34:42,214 INFO  L181        SettingsManager]: Resetting Witness Printer preferences to default values
[2019-09-21 08:34:42,215 INFO  L184        SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2019-09-21 08:34:42,215 INFO  L181        SettingsManager]: Resetting CDTParser preferences to default values
[2019-09-21 08:34:42,216 INFO  L184        SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2019-09-21 08:34:42,216 INFO  L184        SettingsManager]: ReqParser provides no preferences, ignoring...
[2019-09-21 08:34:42,217 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
[2019-09-21 08:34:42,218 INFO  L181        SettingsManager]: Resetting Witness Parser preferences to default values
[2019-09-21 08:34:42,218 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2019-09-21 08:34:42,219 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 08:34:42,244 INFO  L113        SettingsManager]: Loading preferences was successful
[2019-09-21 08:34:42,244 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2019-09-21 08:34:42,247 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2019-09-21 08:34:42,248 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2019-09-21 08:34:42,248 INFO  L138        SettingsManager]:  * Use SBE=true
[2019-09-21 08:34:42,248 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2019-09-21 08:34:42,248 INFO  L138        SettingsManager]:  * sizeof long=4
[2019-09-21 08:34:42,249 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2019-09-21 08:34:42,249 INFO  L138        SettingsManager]:  * sizeof POINTER=4
[2019-09-21 08:34:42,249 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2019-09-21 08:34:42,249 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2019-09-21 08:34:42,249 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2019-09-21 08:34:42,249 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2019-09-21 08:34:42,250 INFO  L138        SettingsManager]:  * sizeof long double=12
[2019-09-21 08:34:42,250 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2019-09-21 08:34:42,250 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2019-09-21 08:34:42,250 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2019-09-21 08:34:42,250 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2019-09-21 08:34:42,251 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2019-09-21 08:34:42,251 INFO  L138        SettingsManager]:  * To the following directory=./dump/
[2019-09-21 08:34:42,251 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2019-09-21 08:34:42,253 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2019-09-21 08:34:42,253 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2019-09-21 08:34:42,253 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2019-09-21 08:34:42,253 INFO  L138        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2019-09-21 08:34:42,253 INFO  L138        SettingsManager]:  * Trace refinement strategy=CAMEL
[2019-09-21 08:34:42,254 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2019-09-21 08:34:42,254 INFO  L138        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2019-09-21 08:34:42,254 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 08:34:42,286 INFO  L81    nceAwareModelManager]: Repository-Root is: /tmp
[2019-09-21 08:34:42,298 INFO  L258   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2019-09-21 08:34:42,302 INFO  L214   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2019-09-21 08:34:42,303 INFO  L271        PluginConnector]: Initializing CDTParser...
[2019-09-21 08:34:42,303 INFO  L275        PluginConnector]: CDTParser initialized
[2019-09-21 08:34:42,304 INFO  L428   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product01.cil.c
[2019-09-21 08:34:42,364 INFO  L220              CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/420508596/16623f0c17694d459ab717ff4d920aa6/FLAG9b50d6bac
[2019-09-21 08:34:42,964 INFO  L306              CDTParser]: Found 1 translation units.
[2019-09-21 08:34:42,964 INFO  L160              CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec4_product01.cil.c
[2019-09-21 08:34:42,981 INFO  L349              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/420508596/16623f0c17694d459ab717ff4d920aa6/FLAG9b50d6bac
[2019-09-21 08:34:43,259 INFO  L357              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/420508596/16623f0c17694d459ab717ff4d920aa6
[2019-09-21 08:34:43,274 INFO  L296   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2019-09-21 08:34:43,276 INFO  L131        ToolchainWalker]: Walking toolchain with 4 elements.
[2019-09-21 08:34:43,277 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2019-09-21 08:34:43,277 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2019-09-21 08:34:43,280 INFO  L275        PluginConnector]: CACSL2BoogieTranslator initialized
[2019-09-21 08:34:43,281 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 08:34:43" (1/1) ...
[2019-09-21 08:34:43,284 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e0db5b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:34:43, skipping insertion in model container
[2019-09-21 08:34:43,285 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 08:34:43" (1/1) ...
[2019-09-21 08:34:43,291 INFO  L142         MainTranslator]: Starting translation in SV-COMP mode 
[2019-09-21 08:34:43,343 INFO  L173         MainTranslator]: Built tables and reachable declarations
[2019-09-21 08:34:43,732 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2019-09-21 08:34:43,749 INFO  L188         MainTranslator]: Completed pre-run
[2019-09-21 08:34:43,842 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2019-09-21 08:34:43,884 INFO  L192         MainTranslator]: Completed translation
[2019-09-21 08:34:43,885 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:34:43 WrapperNode
[2019-09-21 08:34:43,885 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2019-09-21 08:34:43,886 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2019-09-21 08:34:43,886 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2019-09-21 08:34:43,886 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2019-09-21 08:34:43,900 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:34:43" (1/1) ...
[2019-09-21 08:34:43,901 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:34:43" (1/1) ...
[2019-09-21 08:34:43,919 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:34:43" (1/1) ...
[2019-09-21 08:34:43,919 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:34:43" (1/1) ...
[2019-09-21 08:34:43,970 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:34:43" (1/1) ...
[2019-09-21 08:34:43,987 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:34:43" (1/1) ...
[2019-09-21 08:34:43,997 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:34:43" (1/1) ...
[2019-09-21 08:34:44,011 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2019-09-21 08:34:44,012 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2019-09-21 08:34:44,015 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2019-09-21 08:34:44,015 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2019-09-21 08:34:44,016 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:34:43" (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 08:34:44,077 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2019-09-21 08:34:44,078 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2019-09-21 08:34:44,078 INFO  L138     BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int
[2019-09-21 08:34:44,078 INFO  L138     BoogieDeclarations]: Found implementation of procedure __automaton_fail
[2019-09-21 08:34:44,078 INFO  L138     BoogieDeclarations]: Found implementation of procedure select_one
[2019-09-21 08:34:44,078 INFO  L138     BoogieDeclarations]: Found implementation of procedure select_features
[2019-09-21 08:34:44,079 INFO  L138     BoogieDeclarations]: Found implementation of procedure select_helpers
[2019-09-21 08:34:44,079 INFO  L138     BoogieDeclarations]: Found implementation of procedure valid_product
[2019-09-21 08:34:44,079 INFO  L138     BoogieDeclarations]: Found implementation of procedure cleanup
[2019-09-21 08:34:44,079 INFO  L138     BoogieDeclarations]: Found implementation of procedure Specification2
[2019-09-21 08:34:44,079 INFO  L138     BoogieDeclarations]: Found implementation of procedure setup
[2019-09-21 08:34:44,079 INFO  L138     BoogieDeclarations]: Found implementation of procedure runTest
[2019-09-21 08:34:44,080 INFO  L138     BoogieDeclarations]: Found implementation of procedure main
[2019-09-21 08:34:44,080 INFO  L138     BoogieDeclarations]: Found implementation of procedure timeShift
[2019-09-21 08:34:44,080 INFO  L138     BoogieDeclarations]: Found implementation of procedure processEnvironment
[2019-09-21 08:34:44,080 INFO  L138     BoogieDeclarations]: Found implementation of procedure activatePump
[2019-09-21 08:34:44,080 INFO  L138     BoogieDeclarations]: Found implementation of procedure deactivatePump
[2019-09-21 08:34:44,081 INFO  L138     BoogieDeclarations]: Found implementation of procedure isMethaneAlarm
[2019-09-21 08:34:44,081 INFO  L138     BoogieDeclarations]: Found implementation of procedure isPumpRunning
[2019-09-21 08:34:44,081 INFO  L138     BoogieDeclarations]: Found implementation of procedure printPump
[2019-09-21 08:34:44,081 INFO  L138     BoogieDeclarations]: Found implementation of procedure test
[2019-09-21 08:34:44,081 INFO  L138     BoogieDeclarations]: Found implementation of procedure lowerWaterLevel
[2019-09-21 08:34:44,081 INFO  L138     BoogieDeclarations]: Found implementation of procedure waterRise
[2019-09-21 08:34:44,082 INFO  L138     BoogieDeclarations]: Found implementation of procedure changeMethaneLevel
[2019-09-21 08:34:44,082 INFO  L138     BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical
[2019-09-21 08:34:44,082 INFO  L138     BoogieDeclarations]: Found implementation of procedure printEnvironment
[2019-09-21 08:34:44,082 INFO  L138     BoogieDeclarations]: Found implementation of procedure getWaterLevel
[2019-09-21 08:34:44,082 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1
[2019-09-21 08:34:44,083 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set
[2019-09-21 08:34:44,083 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free
[2019-09-21 08:34:44,083 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset
[2019-09-21 08:34:44,083 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt
[2019-09-21 08:34:44,083 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg
[2019-09-21 08:34:44,083 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype
[2019-09-21 08:34:44,084 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_error
[2019-09-21 08:34:44,084 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int
[2019-09-21 08:34:44,084 INFO  L130     BoogieDeclarations]: Found specification of procedure printf
[2019-09-21 08:34:44,084 INFO  L130     BoogieDeclarations]: Found specification of procedure __automaton_fail
[2019-09-21 08:34:44,084 INFO  L130     BoogieDeclarations]: Found specification of procedure select_one
[2019-09-21 08:34:44,084 INFO  L130     BoogieDeclarations]: Found specification of procedure select_features
[2019-09-21 08:34:44,084 INFO  L130     BoogieDeclarations]: Found specification of procedure select_helpers
[2019-09-21 08:34:44,085 INFO  L130     BoogieDeclarations]: Found specification of procedure valid_product
[2019-09-21 08:34:44,085 INFO  L130     BoogieDeclarations]: Found specification of procedure timeShift
[2019-09-21 08:34:44,085 INFO  L130     BoogieDeclarations]: Found specification of procedure cleanup
[2019-09-21 08:34:44,085 INFO  L130     BoogieDeclarations]: Found specification of procedure printPump
[2019-09-21 08:34:44,085 INFO  L130     BoogieDeclarations]: Found specification of procedure waterRise
[2019-09-21 08:34:44,085 INFO  L130     BoogieDeclarations]: Found specification of procedure changeMethaneLevel
[2019-09-21 08:34:44,086 INFO  L130     BoogieDeclarations]: Found specification of procedure Specification2
[2019-09-21 08:34:44,086 INFO  L130     BoogieDeclarations]: Found specification of procedure setup
[2019-09-21 08:34:44,086 INFO  L130     BoogieDeclarations]: Found specification of procedure test
[2019-09-21 08:34:44,086 INFO  L130     BoogieDeclarations]: Found specification of procedure runTest
[2019-09-21 08:34:44,086 INFO  L130     BoogieDeclarations]: Found specification of procedure main
[2019-09-21 08:34:44,086 INFO  L130     BoogieDeclarations]: Found specification of procedure lowerWaterLevel
[2019-09-21 08:34:44,086 INFO  L130     BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical
[2019-09-21 08:34:44,087 INFO  L130     BoogieDeclarations]: Found specification of procedure printEnvironment
[2019-09-21 08:34:44,087 INFO  L130     BoogieDeclarations]: Found specification of procedure activatePump
[2019-09-21 08:34:44,087 INFO  L130     BoogieDeclarations]: Found specification of procedure deactivatePump
[2019-09-21 08:34:44,087 INFO  L130     BoogieDeclarations]: Found specification of procedure isPumpRunning
[2019-09-21 08:34:44,087 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1
[2019-09-21 08:34:44,087 INFO  L130     BoogieDeclarations]: Found specification of procedure processEnvironment
[2019-09-21 08:34:44,088 INFO  L130     BoogieDeclarations]: Found specification of procedure isMethaneAlarm
[2019-09-21 08:34:44,088 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2019-09-21 08:34:44,088 INFO  L130     BoogieDeclarations]: Found specification of procedure getWaterLevel
[2019-09-21 08:34:44,088 INFO  L130     BoogieDeclarations]: Found specification of procedure __assert_fail
[2019-09-21 08:34:44,088 INFO  L130     BoogieDeclarations]: Found specification of procedure malloc
[2019-09-21 08:34:44,088 INFO  L130     BoogieDeclarations]: Found specification of procedure free
[2019-09-21 08:34:44,088 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set
[2019-09-21 08:34:44,089 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap
[2019-09-21 08:34:44,089 INFO  L130     BoogieDeclarations]: Found specification of procedure write~$Pointer$
[2019-09-21 08:34:44,089 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int
[2019-09-21 08:34:44,089 INFO  L130     BoogieDeclarations]: Found specification of procedure read~$Pointer$
[2019-09-21 08:34:44,089 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free
[2019-09-21 08:34:44,089 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2019-09-21 08:34:44,090 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset
[2019-09-21 08:34:44,090 INFO  L130     BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int
[2019-09-21 08:34:44,090 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int
[2019-09-21 08:34:44,090 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt
[2019-09-21 08:34:44,090 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__get_this_arg
[2019-09-21 08:34:44,090 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype
[2019-09-21 08:34:44,091 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2019-09-21 08:34:44,091 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int
[2019-09-21 08:34:44,091 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2019-09-21 08:34:45,662 INFO  L278             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2019-09-21 08:34:45,663 INFO  L283             CfgBuilder]: Removed 5 assume(true) statements.
[2019-09-21 08:34:45,664 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 08:34:45 BoogieIcfgContainer
[2019-09-21 08:34:45,664 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2019-09-21 08:34:45,665 INFO  L113        PluginConnector]: ------------------------Sifa----------------------------
[2019-09-21 08:34:45,666 INFO  L271        PluginConnector]: Initializing Sifa...
[2019-09-21 08:34:45,666 INFO  L275        PluginConnector]: Sifa initialized
[2019-09-21 08:34:45,667 INFO  L185        PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 08:34:45" (1/1) ...
[2019-09-21 08:34:45,668 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 08:34:45,705 INFO  L162        IcfgInterpreter]: Started Sifa with 1 locations of interest
[2019-09-21 08:34:45,706 INFO  L169        IcfgInterpreter]: Building call graph
[2019-09-21 08:34:45,719 INFO  L174        IcfgInterpreter]: Initial procedures are [ULTIMATE.start]
[2019-09-21 08:34:45,730 INFO  L179        IcfgInterpreter]: Starting interpretation
[2019-09-21 08:34:45,731 INFO  L199        IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs
[2019-09-21 08:34:55,451 WARN  L191               SmtUtils]: Spent 396.00 ms on a formula simplification that was a NOOP. DAG size: 464
[2019-09-21 08:34:57,040 WARN  L191               SmtUtils]: Spent 414.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129
[2019-09-21 08:34:57,183 WARN  L191               SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 472
[2019-09-21 08:34:57,336 WARN  L191               SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 472
[2019-09-21 08:34:57,449 WARN  L191               SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 472
[2019-09-21 08:34:57,465 INFO  L199        IcfgInterpreter]: Interpreting procedure main with input of size 476 for LOIs
[2019-09-21 08:34:57,519 INFO  L199        IcfgInterpreter]: Interpreting procedure runTest with input of size 476 for LOIs
[2019-09-21 08:34:57,525 INFO  L199        IcfgInterpreter]: Interpreting procedure test with input of size 476 for LOIs
[2019-09-21 08:34:58,020 WARN  L191               SmtUtils]: Spent 415.00 ms on a formula simplification that was a NOOP. DAG size: 497
[2019-09-21 08:34:58,410 WARN  L191               SmtUtils]: Spent 387.00 ms on a formula simplification that was a NOOP. DAG size: 497
[2019-09-21 08:34:58,781 WARN  L191               SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 521 DAG size of output: 521
[2019-09-21 08:34:58,916 WARN  L191               SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 521
[2019-09-21 08:34:59,128 WARN  L191               SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 534 DAG size of output: 530
[2019-09-21 08:34:59,217 INFO  L199        IcfgInterpreter]: Interpreting procedure cleanup with input of size 3 for LOIs
[2019-09-21 08:34:59,304 INFO  L199        IcfgInterpreter]: Interpreting procedure timeShift with input of size 3 for LOIs
[2019-09-21 08:34:59,316 INFO  L199        IcfgInterpreter]: Interpreting procedure __utac_acc__Specification4_spec__1 with input of size 12 for LOIs
[2019-09-21 08:34:59,322 INFO  L199        IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 19 for LOIs
[2019-09-21 08:34:59,325 INFO  L183        IcfgInterpreter]: Interpretation finished
[2019-09-21 08:34:59,325 INFO  L191        IcfgInterpreter]: Final predicates for locations of interest are:
[2019-09-21 08:34:59,328 INFO  L193        IcfgInterpreter]: Reachable states at location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 759#(and (<= ~pumpRunning~0 2147483647) (<= 0 (+ ~pumpRunning~0 2147483648)) (= 0 ~waterLevel~0) (or (< 0 (+ ~waterLevel~0 1)) (<= ~waterLevel~0 0)) (not (= ~pumpRunning~0 0)))
[2019-09-21 08:34:59,346 INFO  L104           SifaObserver]: ✘ Some error locations might be reachable, see reported results.
[2019-09-21 08:34:59,347 INFO  L132        PluginConnector]: ------------------------ END Sifa----------------------------
[2019-09-21 08:34:59,350 INFO  L168              Benchmark]: Toolchain (without parser) took 16072.80 ms. Allocated memory was 130.5 MB in the beginning and 399.0 MB in the end (delta: 268.4 MB). Free memory was 85.3 MB in the beginning and 255.6 MB in the end (delta: -170.3 MB). Peak memory consumption was 98.1 MB. Max. memory is 7.1 GB.
[2019-09-21 08:34:59,352 INFO  L168              Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 130.5 MB. Free memory was 104.6 MB in the beginning and 104.4 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB.
[2019-09-21 08:34:59,354 INFO  L168              Benchmark]: CACSL2BoogieTranslator took 608.41 ms. Allocated memory was 130.5 MB in the beginning and 198.2 MB in the end (delta: 67.6 MB). Free memory was 85.1 MB in the beginning and 162.1 MB in the end (delta: -77.0 MB). Peak memory consumption was 26.6 MB. Max. memory is 7.1 GB.
[2019-09-21 08:34:59,360 INFO  L168              Benchmark]: Boogie Preprocessor took 125.82 ms. Allocated memory is still 198.2 MB. Free memory was 162.1 MB in the beginning and 158.1 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB.
[2019-09-21 08:34:59,362 INFO  L168              Benchmark]: RCFGBuilder took 1652.73 ms. Allocated memory was 198.2 MB in the beginning and 217.6 MB in the end (delta: 19.4 MB). Free memory was 158.1 MB in the beginning and 148.9 MB in the end (delta: 9.2 MB). Peak memory consumption was 94.1 MB. Max. memory is 7.1 GB.
[2019-09-21 08:34:59,363 INFO  L168              Benchmark]: Sifa took 13681.91 ms. Allocated memory was 217.6 MB in the beginning and 399.0 MB in the end (delta: 181.4 MB). Free memory was 148.9 MB in the beginning and 255.6 MB in the end (delta: -106.7 MB). Peak memory consumption was 74.7 MB. Max. memory is 7.1 GB.
[2019-09-21 08:34:59,377 INFO  L335   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.20 ms. Allocated memory is still 130.5 MB. Free memory was 104.6 MB in the beginning and 104.4 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB.
 * CACSL2BoogieTranslator took 608.41 ms. Allocated memory was 130.5 MB in the beginning and 198.2 MB in the end (delta: 67.6 MB). Free memory was 85.1 MB in the beginning and 162.1 MB in the end (delta: -77.0 MB). Peak memory consumption was 26.6 MB. Max. memory is 7.1 GB.
 * Boogie Preprocessor took 125.82 ms. Allocated memory is still 198.2 MB. Free memory was 162.1 MB in the beginning and 158.1 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB.
 * RCFGBuilder took 1652.73 ms. Allocated memory was 198.2 MB in the beginning and 217.6 MB in the end (delta: 19.4 MB). Free memory was 158.1 MB in the beginning and 148.9 MB in the end (delta: 9.2 MB). Peak memory consumption was 94.1 MB. Max. memory is 7.1 GB.
 * Sifa took 13681.91 ms. Allocated memory was 217.6 MB in the beginning and 399.0 MB in the end (delta: 181.4 MB). Free memory was 148.9 MB in the beginning and 255.6 MB in the end (delta: -106.7 MB). Peak memory consumption was 74.7 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]: 13623, ICFG_INTERPRETER_ENTERED_PROCEDURES: 8, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 223, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 152, TOOLS_POST_TIME[ms]: 11444, TOOLS_POST_CALL_APPLICATIONS: 57, TOOLS_POST_CALL_TIME[ms]: 156, TOOLS_POST_RETURN_APPLICATIONS: 48, TOOLS_POST_RETURN_TIME[ms]: 58, TOOLS_QUANTIFIERELIM_APPLICATIONS: 257, TOOLS_QUANTIFIERELIM_TIME[ms]: 11563, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 11361, FLUID_QUERY_TIME[ms]: 12, FLUID_QUERIES: 235, FLUID_YES_ANSWERS: 10, DOMAIN_JOIN_APPLICATIONS: 65, DOMAIN_JOIN_TIME[ms]: 1644, DOMAIN_ALPHA_APPLICATIONS: 10, DOMAIN_ALPHA_TIME[ms]: 60, DOMAIN_WIDEN_APPLICATIONS: 3, DOMAIN_WIDEN_TIME[ms]: 22, DOMAIN_ISSUBSETEQ_APPLICATIONS: 12, DOMAIN_ISSUBSETEQ_TIME[ms]: 27, DOMAIN_ISBOTTOM_APPLICATIONS: 26, DOMAIN_ISBOTTOM_TIME[ms]: 52, LOOP_SUMMARIZER_APPLICATIONS: 9, LOOP_SUMMARIZER_CACHE_MISSES: 9, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 1222, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 1221, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 12, CALL_SUMMARIZER_APPLICATIONS: 48, CALL_SUMMARIZER_CACHE_MISSES: 14, CALL_SUMMARIZER_OVERALL_TIME[ms]: 11737, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 11736, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 6, PATH_EXPR_TIME[ms]: 7, REGEX_TO_DAG_TIME[ms]: 7, DAG_COMPRESSION_TIME[ms]: 42, DAG_COMPRESSION_PROCESSED_NODES: 570, DAG_COMPRESSION_RETAINED_NODES: 198
  - UnprovableResult [Line: 44]: 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 759#(and (<= ~pumpRunning~0 2147483647) (<= 0 (+ ~pumpRunning~0 2147483648)) (= 0 ~waterLevel~0) (or (< 0 (+ ~waterLevel~0 1)) (<= ~waterLevel~0 0)) (not (= ~pumpRunning~0 0))). 
Possible FailurePath: 

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