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 IntervalDomain --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_spec5_product26.cil.c


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


This is Ultimate 0.1.24-fea9116
[2019-09-21 09:18:17,365 INFO  L177        SettingsManager]: Resetting all preferences to default values...
[2019-09-21 09:18:17,367 INFO  L181        SettingsManager]: Resetting UltimateCore preferences to default values
[2019-09-21 09:18:17,378 INFO  L184        SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2019-09-21 09:18:17,378 INFO  L181        SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2019-09-21 09:18:17,379 INFO  L181        SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2019-09-21 09:18:17,381 INFO  L181        SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2019-09-21 09:18:17,383 INFO  L181        SettingsManager]: Resetting LassoRanker preferences to default values
[2019-09-21 09:18:17,384 INFO  L181        SettingsManager]: Resetting Reaching Definitions preferences to default values
[2019-09-21 09:18:17,385 INFO  L181        SettingsManager]: Resetting SyntaxChecker preferences to default values
[2019-09-21 09:18:17,386 INFO  L181        SettingsManager]: Resetting Sifa preferences to default values
[2019-09-21 09:18:17,387 INFO  L184        SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2019-09-21 09:18:17,387 INFO  L181        SettingsManager]: Resetting LTL2Aut preferences to default values
[2019-09-21 09:18:17,388 INFO  L181        SettingsManager]: Resetting PEA to Boogie preferences to default values
[2019-09-21 09:18:17,389 INFO  L181        SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2019-09-21 09:18:17,390 INFO  L181        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2019-09-21 09:18:17,391 INFO  L181        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2019-09-21 09:18:17,392 INFO  L181        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2019-09-21 09:18:17,394 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2019-09-21 09:18:17,396 INFO  L181        SettingsManager]: Resetting CodeCheck preferences to default values
[2019-09-21 09:18:17,398 INFO  L181        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2019-09-21 09:18:17,399 INFO  L181        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2019-09-21 09:18:17,400 INFO  L181        SettingsManager]: Resetting Referee preferences to default values
[2019-09-21 09:18:17,401 INFO  L181        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2019-09-21 09:18:17,403 INFO  L184        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2019-09-21 09:18:17,403 INFO  L184        SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2019-09-21 09:18:17,403 INFO  L181        SettingsManager]: Resetting TreeAutomizer preferences to default values
[2019-09-21 09:18:17,404 INFO  L181        SettingsManager]: Resetting IcfgToChc preferences to default values
[2019-09-21 09:18:17,405 INFO  L181        SettingsManager]: Resetting IcfgTransformer preferences to default values
[2019-09-21 09:18:17,406 INFO  L184        SettingsManager]: ReqToTest provides no preferences, ignoring...
[2019-09-21 09:18:17,406 INFO  L181        SettingsManager]: Resetting Boogie Printer preferences to default values
[2019-09-21 09:18:17,407 INFO  L181        SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2019-09-21 09:18:17,408 INFO  L181        SettingsManager]: Resetting ReqPrinter preferences to default values
[2019-09-21 09:18:17,408 INFO  L181        SettingsManager]: Resetting Witness Printer preferences to default values
[2019-09-21 09:18:17,409 INFO  L184        SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2019-09-21 09:18:17,410 INFO  L181        SettingsManager]: Resetting CDTParser preferences to default values
[2019-09-21 09:18:17,410 INFO  L184        SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2019-09-21 09:18:17,411 INFO  L184        SettingsManager]: ReqParser provides no preferences, ignoring...
[2019-09-21 09:18:17,411 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
[2019-09-21 09:18:17,412 INFO  L181        SettingsManager]: Resetting Witness Parser preferences to default values
[2019-09-21 09:18:17,412 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2019-09-21 09:18:17,413 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 09:18:17,427 INFO  L113        SettingsManager]: Loading preferences was successful
[2019-09-21 09:18:17,428 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2019-09-21 09:18:17,429 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2019-09-21 09:18:17,429 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2019-09-21 09:18:17,429 INFO  L138        SettingsManager]:  * Use SBE=true
[2019-09-21 09:18:17,429 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2019-09-21 09:18:17,430 INFO  L138        SettingsManager]:  * sizeof long=4
[2019-09-21 09:18:17,430 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2019-09-21 09:18:17,430 INFO  L138        SettingsManager]:  * sizeof POINTER=4
[2019-09-21 09:18:17,430 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2019-09-21 09:18:17,430 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2019-09-21 09:18:17,431 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2019-09-21 09:18:17,431 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2019-09-21 09:18:17,431 INFO  L138        SettingsManager]:  * sizeof long double=12
[2019-09-21 09:18:17,431 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2019-09-21 09:18:17,431 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2019-09-21 09:18:17,431 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2019-09-21 09:18:17,432 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2019-09-21 09:18:17,432 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2019-09-21 09:18:17,432 INFO  L138        SettingsManager]:  * To the following directory=./dump/
[2019-09-21 09:18:17,432 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2019-09-21 09:18:17,432 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2019-09-21 09:18:17,433 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2019-09-21 09:18:17,433 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2019-09-21 09:18:17,433 INFO  L138        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2019-09-21 09:18:17,433 INFO  L138        SettingsManager]:  * Trace refinement strategy=CAMEL
[2019-09-21 09:18:17,433 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2019-09-21 09:18:17,434 INFO  L138        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2019-09-21 09:18:17,434 INFO  L138        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> IntervalDomain
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 09:18:17,466 INFO  L81    nceAwareModelManager]: Repository-Root is: /tmp
[2019-09-21 09:18:17,478 INFO  L258   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2019-09-21 09:18:17,482 INFO  L214   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2019-09-21 09:18:17,483 INFO  L271        PluginConnector]: Initializing CDTParser...
[2019-09-21 09:18:17,484 INFO  L275        PluginConnector]: CDTParser initialized
[2019-09-21 09:18:17,484 INFO  L428   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product26.cil.c
[2019-09-21 09:18:17,543 INFO  L220              CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8b381cf7e/63798be231004b4e95297308846b7c6b/FLAGde69d0c80
[2019-09-21 09:18:18,084 INFO  L306              CDTParser]: Found 1 translation units.
[2019-09-21 09:18:18,085 INFO  L160              CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product26.cil.c
[2019-09-21 09:18:18,099 INFO  L349              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8b381cf7e/63798be231004b4e95297308846b7c6b/FLAGde69d0c80
[2019-09-21 09:18:18,388 INFO  L357              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8b381cf7e/63798be231004b4e95297308846b7c6b
[2019-09-21 09:18:18,401 INFO  L296   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2019-09-21 09:18:18,402 INFO  L131        ToolchainWalker]: Walking toolchain with 4 elements.
[2019-09-21 09:18:18,403 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2019-09-21 09:18:18,403 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2019-09-21 09:18:18,406 INFO  L275        PluginConnector]: CACSL2BoogieTranslator initialized
[2019-09-21 09:18:18,407 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 09:18:18" (1/1) ...
[2019-09-21 09:18:18,409 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c8d1e52 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:18:18, skipping insertion in model container
[2019-09-21 09:18:18,409 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 09:18:18" (1/1) ...
[2019-09-21 09:18:18,416 INFO  L142         MainTranslator]: Starting translation in SV-COMP mode 
[2019-09-21 09:18:18,457 INFO  L173         MainTranslator]: Built tables and reachable declarations
[2019-09-21 09:18:18,908 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2019-09-21 09:18:18,928 INFO  L188         MainTranslator]: Completed pre-run
[2019-09-21 09:18:19,043 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2019-09-21 09:18:19,079 INFO  L192         MainTranslator]: Completed translation
[2019-09-21 09:18:19,080 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:18:19 WrapperNode
[2019-09-21 09:18:19,080 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2019-09-21 09:18:19,080 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2019-09-21 09:18:19,081 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2019-09-21 09:18:19,081 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2019-09-21 09:18:19,093 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:18:19" (1/1) ...
[2019-09-21 09:18:19,093 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:18:19" (1/1) ...
[2019-09-21 09:18:19,116 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:18:19" (1/1) ...
[2019-09-21 09:18:19,117 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:18:19" (1/1) ...
[2019-09-21 09:18:19,165 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:18:19" (1/1) ...
[2019-09-21 09:18:19,178 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:18:19" (1/1) ...
[2019-09-21 09:18:19,187 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:18:19" (1/1) ...
[2019-09-21 09:18:19,201 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2019-09-21 09:18:19,204 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2019-09-21 09:18:19,204 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2019-09-21 09:18:19,205 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2019-09-21 09:18:19,206 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:18:19" (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 09:18:19,278 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2019-09-21 09:18:19,278 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2019-09-21 09:18:19,278 INFO  L138     BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int
[2019-09-21 09:18:19,278 INFO  L138     BoogieDeclarations]: Found implementation of procedure lowerWaterLevel
[2019-09-21 09:18:19,279 INFO  L138     BoogieDeclarations]: Found implementation of procedure waterRise
[2019-09-21 09:18:19,280 INFO  L138     BoogieDeclarations]: Found implementation of procedure changeMethaneLevel
[2019-09-21 09:18:19,280 INFO  L138     BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical
[2019-09-21 09:18:19,281 INFO  L138     BoogieDeclarations]: Found implementation of procedure printEnvironment
[2019-09-21 09:18:19,282 INFO  L138     BoogieDeclarations]: Found implementation of procedure getWaterLevel
[2019-09-21 09:18:19,282 INFO  L138     BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry
[2019-09-21 09:18:19,282 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set
[2019-09-21 09:18:19,283 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free
[2019-09-21 09:18:19,283 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset
[2019-09-21 09:18:19,283 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt
[2019-09-21 09:18:19,284 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg
[2019-09-21 09:18:19,284 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype
[2019-09-21 09:18:19,286 INFO  L138     BoogieDeclarations]: Found implementation of procedure __automaton_fail
[2019-09-21 09:18:19,286 INFO  L138     BoogieDeclarations]: Found implementation of procedure timeShift
[2019-09-21 09:18:19,286 INFO  L138     BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base
[2019-09-21 09:18:19,286 INFO  L138     BoogieDeclarations]: Found implementation of procedure processEnvironment
[2019-09-21 09:18:19,286 INFO  L138     BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor
[2019-09-21 09:18:19,287 INFO  L138     BoogieDeclarations]: Found implementation of procedure activatePump
[2019-09-21 09:18:19,287 INFO  L138     BoogieDeclarations]: Found implementation of procedure deactivatePump
[2019-09-21 09:18:19,287 INFO  L138     BoogieDeclarations]: Found implementation of procedure isMethaneAlarm
[2019-09-21 09:18:19,287 INFO  L138     BoogieDeclarations]: Found implementation of procedure isPumpRunning
[2019-09-21 09:18:19,287 INFO  L138     BoogieDeclarations]: Found implementation of procedure printPump
[2019-09-21 09:18:19,287 INFO  L138     BoogieDeclarations]: Found implementation of procedure isLowWaterLevel
[2019-09-21 09:18:19,287 INFO  L138     BoogieDeclarations]: Found implementation of procedure startSystem
[2019-09-21 09:18:19,288 INFO  L138     BoogieDeclarations]: Found implementation of procedure test
[2019-09-21 09:18:19,288 INFO  L138     BoogieDeclarations]: Found implementation of procedure select_one
[2019-09-21 09:18:19,288 INFO  L138     BoogieDeclarations]: Found implementation of procedure select_features
[2019-09-21 09:18:19,288 INFO  L138     BoogieDeclarations]: Found implementation of procedure select_helpers
[2019-09-21 09:18:19,288 INFO  L138     BoogieDeclarations]: Found implementation of procedure valid_product
[2019-09-21 09:18:19,288 INFO  L138     BoogieDeclarations]: Found implementation of procedure cleanup
[2019-09-21 09:18:19,289 INFO  L138     BoogieDeclarations]: Found implementation of procedure Specification2
[2019-09-21 09:18:19,289 INFO  L138     BoogieDeclarations]: Found implementation of procedure setup
[2019-09-21 09:18:19,289 INFO  L138     BoogieDeclarations]: Found implementation of procedure runTest
[2019-09-21 09:18:19,289 INFO  L138     BoogieDeclarations]: Found implementation of procedure main
[2019-09-21 09:18:19,289 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1
[2019-09-21 09:18:19,290 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2
[2019-09-21 09:18:19,290 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3
[2019-09-21 09:18:19,290 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_error
[2019-09-21 09:18:19,290 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int
[2019-09-21 09:18:19,290 INFO  L130     BoogieDeclarations]: Found specification of procedure printf
[2019-09-21 09:18:19,290 INFO  L130     BoogieDeclarations]: Found specification of procedure lowerWaterLevel
[2019-09-21 09:18:19,290 INFO  L130     BoogieDeclarations]: Found specification of procedure waterRise
[2019-09-21 09:18:19,291 INFO  L130     BoogieDeclarations]: Found specification of procedure changeMethaneLevel
[2019-09-21 09:18:19,292 INFO  L130     BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical
[2019-09-21 09:18:19,292 INFO  L130     BoogieDeclarations]: Found specification of procedure getWaterLevel
[2019-09-21 09:18:19,292 INFO  L130     BoogieDeclarations]: Found specification of procedure printEnvironment
[2019-09-21 09:18:19,292 INFO  L130     BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry
[2019-09-21 09:18:19,293 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2019-09-21 09:18:19,293 INFO  L130     BoogieDeclarations]: Found specification of procedure __assert_fail
[2019-09-21 09:18:19,293 INFO  L130     BoogieDeclarations]: Found specification of procedure malloc
[2019-09-21 09:18:19,293 INFO  L130     BoogieDeclarations]: Found specification of procedure free
[2019-09-21 09:18:19,293 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set
[2019-09-21 09:18:19,293 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap
[2019-09-21 09:18:19,293 INFO  L130     BoogieDeclarations]: Found specification of procedure write~$Pointer$
[2019-09-21 09:18:19,294 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int
[2019-09-21 09:18:19,294 INFO  L130     BoogieDeclarations]: Found specification of procedure read~$Pointer$
[2019-09-21 09:18:19,294 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free
[2019-09-21 09:18:19,294 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2019-09-21 09:18:19,295 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset
[2019-09-21 09:18:19,295 INFO  L130     BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int
[2019-09-21 09:18:19,295 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int
[2019-09-21 09:18:19,295 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt
[2019-09-21 09:18:19,295 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__get_this_arg
[2019-09-21 09:18:19,296 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype
[2019-09-21 09:18:19,296 INFO  L130     BoogieDeclarations]: Found specification of procedure __automaton_fail
[2019-09-21 09:18:19,296 INFO  L130     BoogieDeclarations]: Found specification of procedure timeShift
[2019-09-21 09:18:19,296 INFO  L130     BoogieDeclarations]: Found specification of procedure activatePump
[2019-09-21 09:18:19,297 INFO  L130     BoogieDeclarations]: Found specification of procedure deactivatePump
[2019-09-21 09:18:19,297 INFO  L130     BoogieDeclarations]: Found specification of procedure isPumpRunning
[2019-09-21 09:18:19,298 INFO  L130     BoogieDeclarations]: Found specification of procedure printPump
[2019-09-21 09:18:19,298 INFO  L130     BoogieDeclarations]: Found specification of procedure startSystem
[2019-09-21 09:18:19,298 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2
[2019-09-21 09:18:19,299 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3
[2019-09-21 09:18:19,299 INFO  L130     BoogieDeclarations]: Found specification of procedure processEnvironment
[2019-09-21 09:18:19,299 INFO  L130     BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base
[2019-09-21 09:18:19,299 INFO  L130     BoogieDeclarations]: Found specification of procedure isLowWaterLevel
[2019-09-21 09:18:19,300 INFO  L130     BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor
[2019-09-21 09:18:19,300 INFO  L130     BoogieDeclarations]: Found specification of procedure isMethaneAlarm
[2019-09-21 09:18:19,301 INFO  L130     BoogieDeclarations]: Found specification of procedure cleanup
[2019-09-21 09:18:19,301 INFO  L130     BoogieDeclarations]: Found specification of procedure test
[2019-09-21 09:18:19,301 INFO  L130     BoogieDeclarations]: Found specification of procedure select_one
[2019-09-21 09:18:19,301 INFO  L130     BoogieDeclarations]: Found specification of procedure select_features
[2019-09-21 09:18:19,301 INFO  L130     BoogieDeclarations]: Found specification of procedure select_helpers
[2019-09-21 09:18:19,302 INFO  L130     BoogieDeclarations]: Found specification of procedure valid_product
[2019-09-21 09:18:19,302 INFO  L130     BoogieDeclarations]: Found specification of procedure Specification2
[2019-09-21 09:18:19,302 INFO  L130     BoogieDeclarations]: Found specification of procedure setup
[2019-09-21 09:18:19,302 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1
[2019-09-21 09:18:19,302 INFO  L130     BoogieDeclarations]: Found specification of procedure runTest
[2019-09-21 09:18:19,303 INFO  L130     BoogieDeclarations]: Found specification of procedure main
[2019-09-21 09:18:19,303 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2019-09-21 09:18:19,303 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int
[2019-09-21 09:18:19,303 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2019-09-21 09:18:20,862 INFO  L278             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2019-09-21 09:18:20,862 INFO  L283             CfgBuilder]: Removed 5 assume(true) statements.
[2019-09-21 09:18:20,864 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 09:18:20 BoogieIcfgContainer
[2019-09-21 09:18:20,864 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2019-09-21 09:18:20,864 INFO  L113        PluginConnector]: ------------------------Sifa----------------------------
[2019-09-21 09:18:20,865 INFO  L271        PluginConnector]: Initializing Sifa...
[2019-09-21 09:18:20,865 INFO  L275        PluginConnector]: Sifa initialized
[2019-09-21 09:18:20,866 INFO  L185        PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 09:18:20" (1/1) ...
[2019-09-21 09:18:20,867 INFO  L79            SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=IntervalDomain ♦ 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 09:18:20,892 INFO  L162        IcfgInterpreter]: Started Sifa with 1 locations of interest
[2019-09-21 09:18:20,895 INFO  L169        IcfgInterpreter]: Building call graph
[2019-09-21 09:18:20,903 INFO  L174        IcfgInterpreter]: Initial procedures are [ULTIMATE.start]
[2019-09-21 09:18:20,916 INFO  L179        IcfgInterpreter]: Starting interpretation
[2019-09-21 09:18:20,917 INFO  L199        IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs
[2019-09-21 09:18:29,274 WARN  L191               SmtUtils]: Spent 317.00 ms on a formula simplification that was a NOOP. DAG size: 466
[2019-09-21 09:18:30,887 WARN  L191               SmtUtils]: Spent 426.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129
[2019-09-21 09:18:31,065 WARN  L191               SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 474
[2019-09-21 09:18:31,147 INFO  L199        IcfgInterpreter]: Interpreting procedure main with input of size 119 for LOIs
[2019-09-21 09:18:31,192 INFO  L199        IcfgInterpreter]: Interpreting procedure runTest with input of size 119 for LOIs
[2019-09-21 09:18:31,202 INFO  L199        IcfgInterpreter]: Interpreting procedure test with input of size 119 for LOIs
[2019-09-21 09:18:31,571 WARN  L191               SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 146
[2019-09-21 09:18:33,706 WARN  L191               SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 140
[2019-09-21 09:18:33,977 INFO  L199        IcfgInterpreter]: Interpreting procedure cleanup with input of size 1 for LOIs
[2019-09-21 09:18:33,979 INFO  L199        IcfgInterpreter]: Interpreting procedure timeShift with input of size 109 for LOIs
[2019-09-21 09:18:34,033 INFO  L199        IcfgInterpreter]: Interpreting procedure __utac_acc__Specification5_spec__3 with input of size 106 for LOIs
[2019-09-21 09:18:34,043 INFO  L199        IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 107 for LOIs
[2019-09-21 09:18:34,060 INFO  L183        IcfgInterpreter]: Interpretation finished
[2019-09-21 09:18:34,061 INFO  L191        IcfgInterpreter]: Final predicates for locations of interest are:
[2019-09-21 09:18:34,066 INFO  L193        IcfgInterpreter]: Reachable states at location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 428#(and (<= |#t~string33.offset| 0) (<= ~head~0.base 0) (<= 0 ~head~0.offset) (<= 0 |#NULL.base|) (<= 0 |#t~string63.offset|) (<= |#t~string31.offset| 0) (<= ~systemActive~0 1) (<= 0 |#t~string40.offset|) (<= ~head~0.offset 0) (<= 0 |#t~string32.offset|) (<= |#t~string55.offset| 0) (<= 0 ~switchedOnBeforeTS~0) (<= |#t~string51.offset| 0) (<= 0 |#t~string59.offset|) (<= |#t~string39.offset| 0) (<= 0 |#t~string51.offset|) (<= |#t~string1.offset| 0) (<= 0 |#t~string49.offset|) (<= |#t~string57.offset| 0) (<= 0 |#t~string1.offset|) (<= 0 ~head~0.base) (<= |#NULL.offset| 0) (<= 0 |#t~string42.offset|) (<= |#t~string7.offset| 0) (<= 0 ~methaneLevelCritical~0) (<= ~switchedOnBeforeTS~0 0) (<= 0 |#t~string39.offset|) (<= |#t~string9.offset| 0) (<= |#t~string53.offset| 0) (<= |#t~string40.offset| 0) (<= 0 |#t~string41.offset|) (<= 0 |#t~string61.offset|) (<= 0 |#t~string53.offset|) (<= |#t~string41.offset| 0) (<= 0 |#t~string7.offset|) (<= 0 |#t~string9.offset|) (<= |#t~string61.offset| 0) (<= |#t~string42.offset| 0) (<= |#t~string59.offset| 0) (<= 0 |#t~string33.offset|) (<= 0 |#NULL.offset|) (<= |#t~string30.offset| 0) (<= |#t~string32.offset| 0) (<= |#t~string37.offset| 0) (<= ~cleanupTimeShifts~0 4) (<= 0 |#t~string29.offset|) (<= 0 |#t~string5.offset|) (<= |#t~string3.offset| 0) (<= 0 |#t~string38.offset|) (<= |#t~string5.offset| 0) (<= ~methaneLevelCritical~0 1) (<= 0 |#t~string37.offset|) (<= |#NULL.base| 0) (<= |#t~string63.offset| 0) (<= |#t~string28.offset| 0) (<= 0 |#t~string30.offset|) (<= 1 ~systemActive~0) (<= 0 |#t~string31.offset|) (<= 4 ~cleanupTimeShifts~0) (<= |#t~string29.offset| 0) (<= |#t~string49.offset| 0) (<= |#t~string38.offset| 0) (<= 0 |#t~string55.offset|) (<= 0 |#t~string3.offset|) (<= 0 |#t~string57.offset|) (<= 0 |#t~string28.offset|))
[2019-09-21 09:18:34,084 INFO  L104           SifaObserver]: ✘ Some error locations might be reachable, see reported results.
[2019-09-21 09:18:34,084 INFO  L132        PluginConnector]: ------------------------ END Sifa----------------------------
[2019-09-21 09:18:34,088 INFO  L168              Benchmark]: Toolchain (without parser) took 15683.92 ms. Allocated memory was 136.3 MB in the beginning and 404.8 MB in the end (delta: 268.4 MB). Free memory was 82.6 MB in the beginning and 244.7 MB in the end (delta: -162.1 MB). Peak memory consumption was 106.3 MB. Max. memory is 7.1 GB.
[2019-09-21 09:18:34,089 INFO  L168              Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 136.3 MB. Free memory was 102.3 MB in the beginning and 102.1 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB.
[2019-09-21 09:18:34,092 INFO  L168              Benchmark]: CACSL2BoogieTranslator took 676.90 ms. Allocated memory was 136.3 MB in the beginning and 198.7 MB in the end (delta: 62.4 MB). Free memory was 82.4 MB in the beginning and 161.5 MB in the end (delta: -79.1 MB). Peak memory consumption was 21.6 MB. Max. memory is 7.1 GB.
[2019-09-21 09:18:34,095 INFO  L168              Benchmark]: Boogie Preprocessor took 121.20 ms. Allocated memory is still 198.7 MB. Free memory was 161.5 MB in the beginning and 157.5 MB in the end (delta: 3.9 MB). Peak memory consumption was 3.9 MB. Max. memory is 7.1 GB.
[2019-09-21 09:18:34,101 INFO  L168              Benchmark]: RCFGBuilder took 1659.89 ms. Allocated memory was 198.7 MB in the beginning and 215.5 MB in the end (delta: 16.8 MB). Free memory was 157.5 MB in the beginning and 138.8 MB in the end (delta: 18.7 MB). Peak memory consumption was 96.0 MB. Max. memory is 7.1 GB.
[2019-09-21 09:18:34,102 INFO  L168              Benchmark]: Sifa took 13219.78 ms. Allocated memory was 215.5 MB in the beginning and 404.8 MB in the end (delta: 189.3 MB). Free memory was 138.8 MB in the beginning and 244.7 MB in the end (delta: -105.9 MB). Peak memory consumption was 83.4 MB. Max. memory is 7.1 GB.
[2019-09-21 09:18:34,114 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 136.3 MB. Free memory was 102.3 MB in the beginning and 102.1 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB.
 * CACSL2BoogieTranslator took 676.90 ms. Allocated memory was 136.3 MB in the beginning and 198.7 MB in the end (delta: 62.4 MB). Free memory was 82.4 MB in the beginning and 161.5 MB in the end (delta: -79.1 MB). Peak memory consumption was 21.6 MB. Max. memory is 7.1 GB.
 * Boogie Preprocessor took 121.20 ms. Allocated memory is still 198.7 MB. Free memory was 161.5 MB in the beginning and 157.5 MB in the end (delta: 3.9 MB). Peak memory consumption was 3.9 MB. Max. memory is 7.1 GB.
 * RCFGBuilder took 1659.89 ms. Allocated memory was 198.7 MB in the beginning and 215.5 MB in the end (delta: 16.8 MB). Free memory was 157.5 MB in the beginning and 138.8 MB in the end (delta: 18.7 MB). Peak memory consumption was 96.0 MB. Max. memory is 7.1 GB.
 * Sifa took 13219.78 ms. Allocated memory was 215.5 MB in the beginning and 404.8 MB in the end (delta: 189.3 MB). Free memory was 138.8 MB in the beginning and 244.7 MB in the end (delta: -105.9 MB). Peak memory consumption was 83.4 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]: 13173, ICFG_INTERPRETER_ENTERED_PROCEDURES: 8, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 275, DAG_INTERPRETER_EARLY_EXITS: 1, TOOLS_POST_APPLICATIONS: 178, TOOLS_POST_TIME[ms]: 10192, TOOLS_POST_CALL_APPLICATIONS: 80, TOOLS_POST_CALL_TIME[ms]: 211, TOOLS_POST_RETURN_APPLICATIONS: 73, TOOLS_POST_RETURN_TIME[ms]: 103, TOOLS_QUANTIFIERELIM_APPLICATIONS: 330, TOOLS_QUANTIFIERELIM_TIME[ms]: 10383, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 10090, FLUID_QUERY_TIME[ms]: 14, FLUID_QUERIES: 283, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 91, DOMAIN_JOIN_TIME[ms]: 2347, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 4, DOMAIN_WIDEN_TIME[ms]: 14, DOMAIN_ISSUBSETEQ_APPLICATIONS: 8, DOMAIN_ISSUBSETEQ_TIME[ms]: 26, DOMAIN_ISBOTTOM_APPLICATIONS: 49, DOMAIN_ISBOTTOM_TIME[ms]: 120, LOOP_SUMMARIZER_APPLICATIONS: 4, LOOP_SUMMARIZER_CACHE_MISSES: 4, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 2195, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 2194, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 8, CALL_SUMMARIZER_APPLICATIONS: 73, CALL_SUMMARIZER_CACHE_MISSES: 23, CALL_SUMMARIZER_OVERALL_TIME[ms]: 10267, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 10266, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 6, PATH_EXPR_TIME[ms]: 7, REGEX_TO_DAG_TIME[ms]: 5, DAG_COMPRESSION_TIME[ms]: 34, DAG_COMPRESSION_PROCESSED_NODES: 422, DAG_COMPRESSION_RETAINED_NODES: 220
  - UnprovableResult [Line: 506]: 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 428#(and (<= |#t~string33.offset| 0) (<= ~head~0.base 0) (<= 0 ~head~0.offset) (<= 0 |#NULL.base|) (<= 0 |#t~string63.offset|) (<= |#t~string31.offset| 0) (<= ~systemActive~0 1) (<= 0 |#t~string40.offset|) (<= ~head~0.offset 0) (<= 0 |#t~string32.offset|) (<= |#t~string55.offset| 0) (<= 0 ~switchedOnBeforeTS~0) (<= |#t~string51.offset| 0) (<= 0 |#t~string59.offset|) (<= |#t~string39.offset| 0) (<= 0 |#t~string51.offset|) (<= |#t~string1.offset| 0) (<= 0 |#t~string49.offset|) (<= |#t~string57.offset| 0) (<= 0 |#t~string1.offset|) (<= 0 ~head~0.base) (<= |#NULL.offset| 0) (<= 0 |#t~string42.offset|) (<= |#t~string7.offset| 0) (<= 0 ~methaneLevelCritical~0) (<= ~switchedOnBeforeTS~0 0) (<= 0 |#t~string39.offset|) (<= |#t~string9.offset| 0) (<= |#t~string53.offset| 0) (<= |#t~string40.offset| 0) (<= 0 |#t~string41.offset|) (<= 0 |#t~string61.offset|) (<= 0 |#t~string53.offset|) (<= |#t~string41.offset| 0) (<= 0 |#t~string7.offset|) (<= 0 |#t~string9.offset|) (<= |#t~string61.offset| 0) (<= |#t~string42.offset| 0) (<= |#t~string59.offset| 0) (<= 0 |#t~string33.offset|) (<= 0 |#NULL.offset|) (<= |#t~string30.offset| 0) (<= |#t~string32.offset| 0) (<= |#t~string37.offset| 0) (<= ~cleanupTimeShifts~0 4) (<= 0 |#t~string29.offset|) (<= 0 |#t~string5.offset|) (<= |#t~string3.offset| 0) (<= 0 |#t~string38.offset|) (<= |#t~string5.offset| 0) (<= ~methaneLevelCritical~0 1) (<= 0 |#t~string37.offset|) (<= |#NULL.base| 0) (<= |#t~string63.offset| 0) (<= |#t~string28.offset| 0) (<= 0 |#t~string30.offset|) (<= 1 ~systemActive~0) (<= 0 |#t~string31.offset|) (<= 4 ~cleanupTimeShifts~0) (<= |#t~string29.offset| 0) (<= |#t~string49.offset| 0) (<= |#t~string38.offset| 0) (<= 0 |#t~string55.offset|) (<= 0 |#t~string3.offset|) (<= 0 |#t~string57.offset|) (<= 0 |#t~string28.offset|)). 
Possible FailurePath: 

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