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_spec4_product17.cil.c


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


This is Ultimate 0.1.24-fea9116
[2019-09-21 09:16:49,605 INFO  L177        SettingsManager]: Resetting all preferences to default values...
[2019-09-21 09:16:49,607 INFO  L181        SettingsManager]: Resetting UltimateCore preferences to default values
[2019-09-21 09:16:49,619 INFO  L184        SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2019-09-21 09:16:49,620 INFO  L181        SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2019-09-21 09:16:49,621 INFO  L181        SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2019-09-21 09:16:49,622 INFO  L181        SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2019-09-21 09:16:49,624 INFO  L181        SettingsManager]: Resetting LassoRanker preferences to default values
[2019-09-21 09:16:49,626 INFO  L181        SettingsManager]: Resetting Reaching Definitions preferences to default values
[2019-09-21 09:16:49,627 INFO  L181        SettingsManager]: Resetting SyntaxChecker preferences to default values
[2019-09-21 09:16:49,628 INFO  L181        SettingsManager]: Resetting Sifa preferences to default values
[2019-09-21 09:16:49,629 INFO  L184        SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2019-09-21 09:16:49,630 INFO  L181        SettingsManager]: Resetting LTL2Aut preferences to default values
[2019-09-21 09:16:49,631 INFO  L181        SettingsManager]: Resetting PEA to Boogie preferences to default values
[2019-09-21 09:16:49,632 INFO  L181        SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2019-09-21 09:16:49,633 INFO  L181        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2019-09-21 09:16:49,634 INFO  L181        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2019-09-21 09:16:49,635 INFO  L181        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2019-09-21 09:16:49,637 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2019-09-21 09:16:49,639 INFO  L181        SettingsManager]: Resetting CodeCheck preferences to default values
[2019-09-21 09:16:49,640 INFO  L181        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2019-09-21 09:16:49,642 INFO  L181        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2019-09-21 09:16:49,643 INFO  L181        SettingsManager]: Resetting Referee preferences to default values
[2019-09-21 09:16:49,644 INFO  L181        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2019-09-21 09:16:49,647 INFO  L184        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2019-09-21 09:16:49,647 INFO  L184        SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2019-09-21 09:16:49,647 INFO  L181        SettingsManager]: Resetting TreeAutomizer preferences to default values
[2019-09-21 09:16:49,648 INFO  L181        SettingsManager]: Resetting IcfgToChc preferences to default values
[2019-09-21 09:16:49,649 INFO  L181        SettingsManager]: Resetting IcfgTransformer preferences to default values
[2019-09-21 09:16:49,650 INFO  L184        SettingsManager]: ReqToTest provides no preferences, ignoring...
[2019-09-21 09:16:49,650 INFO  L181        SettingsManager]: Resetting Boogie Printer preferences to default values
[2019-09-21 09:16:49,651 INFO  L181        SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2019-09-21 09:16:49,652 INFO  L181        SettingsManager]: Resetting ReqPrinter preferences to default values
[2019-09-21 09:16:49,653 INFO  L181        SettingsManager]: Resetting Witness Printer preferences to default values
[2019-09-21 09:16:49,654 INFO  L184        SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2019-09-21 09:16:49,654 INFO  L181        SettingsManager]: Resetting CDTParser preferences to default values
[2019-09-21 09:16:49,655 INFO  L184        SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2019-09-21 09:16:49,655 INFO  L184        SettingsManager]: ReqParser provides no preferences, ignoring...
[2019-09-21 09:16:49,655 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
[2019-09-21 09:16:49,656 INFO  L181        SettingsManager]: Resetting Witness Parser preferences to default values
[2019-09-21 09:16:49,658 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2019-09-21 09:16:49,658 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 09:16:49,687 INFO  L113        SettingsManager]: Loading preferences was successful
[2019-09-21 09:16:49,688 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2019-09-21 09:16:49,690 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2019-09-21 09:16:49,690 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2019-09-21 09:16:49,690 INFO  L138        SettingsManager]:  * Use SBE=true
[2019-09-21 09:16:49,691 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2019-09-21 09:16:49,691 INFO  L138        SettingsManager]:  * sizeof long=4
[2019-09-21 09:16:49,691 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2019-09-21 09:16:49,692 INFO  L138        SettingsManager]:  * sizeof POINTER=4
[2019-09-21 09:16:49,692 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2019-09-21 09:16:49,693 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2019-09-21 09:16:49,693 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2019-09-21 09:16:49,693 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2019-09-21 09:16:49,694 INFO  L138        SettingsManager]:  * sizeof long double=12
[2019-09-21 09:16:49,694 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2019-09-21 09:16:49,694 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2019-09-21 09:16:49,694 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2019-09-21 09:16:49,695 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2019-09-21 09:16:49,695 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2019-09-21 09:16:49,695 INFO  L138        SettingsManager]:  * To the following directory=./dump/
[2019-09-21 09:16:49,696 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2019-09-21 09:16:49,696 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2019-09-21 09:16:49,696 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2019-09-21 09:16:49,696 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2019-09-21 09:16:49,697 INFO  L138        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2019-09-21 09:16:49,697 INFO  L138        SettingsManager]:  * Trace refinement strategy=CAMEL
[2019-09-21 09:16:49,697 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2019-09-21 09:16:49,697 INFO  L138        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2019-09-21 09:16:49,697 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 09:16:49,756 INFO  L81    nceAwareModelManager]: Repository-Root is: /tmp
[2019-09-21 09:16:49,775 INFO  L258   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2019-09-21 09:16:49,780 INFO  L214   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2019-09-21 09:16:49,782 INFO  L271        PluginConnector]: Initializing CDTParser...
[2019-09-21 09:16:49,782 INFO  L275        PluginConnector]: CDTParser initialized
[2019-09-21 09:16:49,783 INFO  L428   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product17.cil.c
[2019-09-21 09:16:49,857 INFO  L220              CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/35497257e/2aab7acd9fb94ca5b4f5ed027456b064/FLAG23f7cda4c
[2019-09-21 09:16:50,360 INFO  L306              CDTParser]: Found 1 translation units.
[2019-09-21 09:16:50,361 INFO  L160              CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec4_product17.cil.c
[2019-09-21 09:16:50,379 INFO  L349              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/35497257e/2aab7acd9fb94ca5b4f5ed027456b064/FLAG23f7cda4c
[2019-09-21 09:16:50,677 INFO  L357              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/35497257e/2aab7acd9fb94ca5b4f5ed027456b064
[2019-09-21 09:16:50,687 INFO  L296   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2019-09-21 09:16:50,689 INFO  L131        ToolchainWalker]: Walking toolchain with 4 elements.
[2019-09-21 09:16:50,690 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2019-09-21 09:16:50,690 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2019-09-21 09:16:50,694 INFO  L275        PluginConnector]: CACSL2BoogieTranslator initialized
[2019-09-21 09:16:50,695 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 09:16:50" (1/1) ...
[2019-09-21 09:16:50,698 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1dc1d1fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:16:50, skipping insertion in model container
[2019-09-21 09:16:50,698 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 09:16:50" (1/1) ...
[2019-09-21 09:16:50,706 INFO  L142         MainTranslator]: Starting translation in SV-COMP mode 
[2019-09-21 09:16:50,745 INFO  L173         MainTranslator]: Built tables and reachable declarations
[2019-09-21 09:16:51,159 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2019-09-21 09:16:51,173 INFO  L188         MainTranslator]: Completed pre-run
[2019-09-21 09:16:51,250 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2019-09-21 09:16:51,282 INFO  L192         MainTranslator]: Completed translation
[2019-09-21 09:16:51,283 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:16:51 WrapperNode
[2019-09-21 09:16:51,283 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2019-09-21 09:16:51,284 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2019-09-21 09:16:51,284 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2019-09-21 09:16:51,284 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2019-09-21 09:16:51,297 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:16:51" (1/1) ...
[2019-09-21 09:16:51,297 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:16:51" (1/1) ...
[2019-09-21 09:16:51,315 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:16:51" (1/1) ...
[2019-09-21 09:16:51,315 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:16:51" (1/1) ...
[2019-09-21 09:16:51,344 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:16:51" (1/1) ...
[2019-09-21 09:16:51,354 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:16:51" (1/1) ...
[2019-09-21 09:16:51,359 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:16:51" (1/1) ...
[2019-09-21 09:16:51,366 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2019-09-21 09:16:51,367 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2019-09-21 09:16:51,367 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2019-09-21 09:16:51,367 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2019-09-21 09:16:51,368 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:16:51" (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 09:16:51,437 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2019-09-21 09:16:51,437 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2019-09-21 09:16:51,438 INFO  L138     BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int
[2019-09-21 09:16:51,438 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1
[2019-09-21 09:16:51,438 INFO  L138     BoogieDeclarations]: Found implementation of procedure cleanup
[2019-09-21 09:16:51,438 INFO  L138     BoogieDeclarations]: Found implementation of procedure Specification2
[2019-09-21 09:16:51,438 INFO  L138     BoogieDeclarations]: Found implementation of procedure setup
[2019-09-21 09:16:51,438 INFO  L138     BoogieDeclarations]: Found implementation of procedure runTest
[2019-09-21 09:16:51,439 INFO  L138     BoogieDeclarations]: Found implementation of procedure main
[2019-09-21 09:16:51,439 INFO  L138     BoogieDeclarations]: Found implementation of procedure __automaton_fail
[2019-09-21 09:16:51,439 INFO  L138     BoogieDeclarations]: Found implementation of procedure select_one
[2019-09-21 09:16:51,439 INFO  L138     BoogieDeclarations]: Found implementation of procedure select_features
[2019-09-21 09:16:51,439 INFO  L138     BoogieDeclarations]: Found implementation of procedure select_helpers
[2019-09-21 09:16:51,440 INFO  L138     BoogieDeclarations]: Found implementation of procedure valid_product
[2019-09-21 09:16:51,440 INFO  L138     BoogieDeclarations]: Found implementation of procedure test
[2019-09-21 09:16:51,440 INFO  L138     BoogieDeclarations]: Found implementation of procedure timeShift
[2019-09-21 09:16:51,440 INFO  L138     BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base
[2019-09-21 09:16:51,440 INFO  L138     BoogieDeclarations]: Found implementation of procedure processEnvironment
[2019-09-21 09:16:51,440 INFO  L138     BoogieDeclarations]: Found implementation of procedure activatePump
[2019-09-21 09:16:51,441 INFO  L138     BoogieDeclarations]: Found implementation of procedure deactivatePump
[2019-09-21 09:16:51,441 INFO  L138     BoogieDeclarations]: Found implementation of procedure isMethaneAlarm
[2019-09-21 09:16:51,441 INFO  L138     BoogieDeclarations]: Found implementation of procedure isPumpRunning
[2019-09-21 09:16:51,441 INFO  L138     BoogieDeclarations]: Found implementation of procedure printPump
[2019-09-21 09:16:51,441 INFO  L138     BoogieDeclarations]: Found implementation of procedure isLowWaterLevel
[2019-09-21 09:16:51,441 INFO  L138     BoogieDeclarations]: Found implementation of procedure lowerWaterLevel
[2019-09-21 09:16:51,442 INFO  L138     BoogieDeclarations]: Found implementation of procedure waterRise
[2019-09-21 09:16:51,442 INFO  L138     BoogieDeclarations]: Found implementation of procedure changeMethaneLevel
[2019-09-21 09:16:51,442 INFO  L138     BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical
[2019-09-21 09:16:51,442 INFO  L138     BoogieDeclarations]: Found implementation of procedure printEnvironment
[2019-09-21 09:16:51,442 INFO  L138     BoogieDeclarations]: Found implementation of procedure getWaterLevel
[2019-09-21 09:16:51,443 INFO  L138     BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry
[2019-09-21 09:16:51,443 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set
[2019-09-21 09:16:51,443 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free
[2019-09-21 09:16:51,443 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset
[2019-09-21 09:16:51,443 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt
[2019-09-21 09:16:51,443 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg
[2019-09-21 09:16:51,443 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype
[2019-09-21 09:16:51,444 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_error
[2019-09-21 09:16:51,444 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int
[2019-09-21 09:16:51,444 INFO  L130     BoogieDeclarations]: Found specification of procedure printf
[2019-09-21 09:16:51,444 INFO  L130     BoogieDeclarations]: Found specification of procedure __automaton_fail
[2019-09-21 09:16:51,444 INFO  L130     BoogieDeclarations]: Found specification of procedure isPumpRunning
[2019-09-21 09:16:51,444 INFO  L130     BoogieDeclarations]: Found specification of procedure getWaterLevel
[2019-09-21 09:16:51,445 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1
[2019-09-21 09:16:51,445 INFO  L130     BoogieDeclarations]: Found specification of procedure timeShift
[2019-09-21 09:16:51,445 INFO  L130     BoogieDeclarations]: Found specification of procedure cleanup
[2019-09-21 09:16:51,445 INFO  L130     BoogieDeclarations]: Found specification of procedure printPump
[2019-09-21 09:16:51,445 INFO  L130     BoogieDeclarations]: Found specification of procedure waterRise
[2019-09-21 09:16:51,445 INFO  L130     BoogieDeclarations]: Found specification of procedure changeMethaneLevel
[2019-09-21 09:16:51,446 INFO  L130     BoogieDeclarations]: Found specification of procedure Specification2
[2019-09-21 09:16:51,446 INFO  L130     BoogieDeclarations]: Found specification of procedure setup
[2019-09-21 09:16:51,446 INFO  L130     BoogieDeclarations]: Found specification of procedure test
[2019-09-21 09:16:51,446 INFO  L130     BoogieDeclarations]: Found specification of procedure runTest
[2019-09-21 09:16:51,446 INFO  L130     BoogieDeclarations]: Found specification of procedure select_helpers
[2019-09-21 09:16:51,446 INFO  L130     BoogieDeclarations]: Found specification of procedure select_features
[2019-09-21 09:16:51,447 INFO  L130     BoogieDeclarations]: Found specification of procedure valid_product
[2019-09-21 09:16:51,447 INFO  L130     BoogieDeclarations]: Found specification of procedure main
[2019-09-21 09:16:51,447 INFO  L130     BoogieDeclarations]: Found specification of procedure select_one
[2019-09-21 09:16:51,447 INFO  L130     BoogieDeclarations]: Found specification of procedure lowerWaterLevel
[2019-09-21 09:16:51,447 INFO  L130     BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical
[2019-09-21 09:16:51,447 INFO  L130     BoogieDeclarations]: Found specification of procedure printEnvironment
[2019-09-21 09:16:51,448 INFO  L130     BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry
[2019-09-21 09:16:51,448 INFO  L130     BoogieDeclarations]: Found specification of procedure activatePump
[2019-09-21 09:16:51,448 INFO  L130     BoogieDeclarations]: Found specification of procedure deactivatePump
[2019-09-21 09:16:51,448 INFO  L130     BoogieDeclarations]: Found specification of procedure processEnvironment
[2019-09-21 09:16:51,448 INFO  L130     BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base
[2019-09-21 09:16:51,448 INFO  L130     BoogieDeclarations]: Found specification of procedure isLowWaterLevel
[2019-09-21 09:16:51,449 INFO  L130     BoogieDeclarations]: Found specification of procedure isMethaneAlarm
[2019-09-21 09:16:51,449 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2019-09-21 09:16:51,449 INFO  L130     BoogieDeclarations]: Found specification of procedure __assert_fail
[2019-09-21 09:16:51,449 INFO  L130     BoogieDeclarations]: Found specification of procedure malloc
[2019-09-21 09:16:51,449 INFO  L130     BoogieDeclarations]: Found specification of procedure free
[2019-09-21 09:16:51,449 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set
[2019-09-21 09:16:51,450 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap
[2019-09-21 09:16:51,450 INFO  L130     BoogieDeclarations]: Found specification of procedure write~$Pointer$
[2019-09-21 09:16:51,450 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int
[2019-09-21 09:16:51,450 INFO  L130     BoogieDeclarations]: Found specification of procedure read~$Pointer$
[2019-09-21 09:16:51,450 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free
[2019-09-21 09:16:51,450 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2019-09-21 09:16:51,451 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset
[2019-09-21 09:16:51,451 INFO  L130     BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int
[2019-09-21 09:16:51,451 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int
[2019-09-21 09:16:51,451 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt
[2019-09-21 09:16:51,451 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__get_this_arg
[2019-09-21 09:16:51,451 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype
[2019-09-21 09:16:51,451 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2019-09-21 09:16:51,452 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int
[2019-09-21 09:16:51,452 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2019-09-21 09:16:52,971 INFO  L278             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2019-09-21 09:16:52,971 INFO  L283             CfgBuilder]: Removed 5 assume(true) statements.
[2019-09-21 09:16:52,973 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 09:16:52 BoogieIcfgContainer
[2019-09-21 09:16:52,973 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2019-09-21 09:16:52,974 INFO  L113        PluginConnector]: ------------------------Sifa----------------------------
[2019-09-21 09:16:52,974 INFO  L271        PluginConnector]: Initializing Sifa...
[2019-09-21 09:16:52,974 INFO  L275        PluginConnector]: Sifa initialized
[2019-09-21 09:16:52,976 INFO  L185        PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 09:16:52" (1/1) ...
[2019-09-21 09:16:52,976 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 09:16:53,008 INFO  L162        IcfgInterpreter]: Started Sifa with 1 locations of interest
[2019-09-21 09:16:53,009 INFO  L169        IcfgInterpreter]: Building call graph
[2019-09-21 09:16:53,020 INFO  L174        IcfgInterpreter]: Initial procedures are [ULTIMATE.start]
[2019-09-21 09:16:53,030 INFO  L179        IcfgInterpreter]: Starting interpretation
[2019-09-21 09:16:53,032 INFO  L199        IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs
[2019-09-21 09:17:02,290 WARN  L191               SmtUtils]: Spent 352.00 ms on a formula simplification that was a NOOP. DAG size: 464
[2019-09-21 09:17:04,253 WARN  L191               SmtUtils]: Spent 463.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129
[2019-09-21 09:17:04,414 WARN  L191               SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 472
[2019-09-21 09:17:04,487 INFO  L199        IcfgInterpreter]: Interpreting procedure main with input of size 112 for LOIs
[2019-09-21 09:17:04,533 INFO  L199        IcfgInterpreter]: Interpreting procedure runTest with input of size 112 for LOIs
[2019-09-21 09:17:04,536 INFO  L199        IcfgInterpreter]: Interpreting procedure test with input of size 112 for LOIs
[2019-09-21 09:17:06,767 INFO  L199        IcfgInterpreter]: Interpreting procedure cleanup with input of size 1 for LOIs
[2019-09-21 09:17:06,771 INFO  L199        IcfgInterpreter]: Interpreting procedure timeShift with input of size 105 for LOIs
[2019-09-21 09:17:06,857 INFO  L199        IcfgInterpreter]: Interpreting procedure __utac_acc__Specification4_spec__1 with input of size 99 for LOIs
[2019-09-21 09:17:06,867 INFO  L199        IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 99 for LOIs
[2019-09-21 09:17:06,884 INFO  L183        IcfgInterpreter]: Interpretation finished
[2019-09-21 09:17:06,885 INFO  L191        IcfgInterpreter]: Final predicates for locations of interest are:
[2019-09-21 09:17:06,886 INFO  L193        IcfgInterpreter]: Reachable states at location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 406#(and (<= |#t~string58.offset| 0) (<= ~head~0.base 0) (<= 0 |#t~string19.offset|) (<= 0 ~head~0.offset) (<= 0 |#NULL.base|) (<= 0 |#t~string17.offset|) (<= |#t~string67.offset| 0) (<= ~systemActive~0 1) (<= ~head~0.offset 0) (<= 0 |#t~string32.offset|) (<= 0 |#t~string64.offset|) (<= |#t~string55.offset| 0) (<= 0 |#t~string67.offset|) (<= |#t~string34.offset| 0) (<= 0 |#t~string11.offset|) (<= 0 |#t~string60.offset|) (<= |#t~string56.offset| 0) (<= 0 |#t~string59.offset|) (<= 0 |#t~string21.offset|) (<= |#t~string57.offset| 0) (<= 0 |#t~string69.offset|) (<= 0 ~head~0.base) (<= |#NULL.offset| 0) (<= |#t~string13.offset| 0) (<= |#t~string15.offset| 0) (<= 0 ~methaneLevelCritical~0) (<= |#t~string64.offset| 0) (<= |#t~string11.offset| 0) (<= |#t~string65.offset| 0) (<= 0 |#t~string36.offset|) (<= |#t~string36.offset| 0) (<= 0 |#t~string65.offset|) (<= 0 |#t~string56.offset|) (<= |#t~string66.offset| 0) (<= |#t~string21.offset| 0) (<= 0 |#t~string15.offset|) (<= |#t~string59.offset| 0) (<= 0 |#t~string23.offset|) (<= 0 |#NULL.offset|) (<= |#t~string30.offset| 0) (<= |#t~string69.offset| 0) (<= |#t~string32.offset| 0) (<= |#t~string60.offset| 0) (<= ~cleanupTimeShifts~0 4) (<= 0 |#t~string13.offset|) (<= |#NULL.base| 0) (<= 0 |#t~string66.offset|) (<= |#t~string28.offset| 0) (<= 0 |#t~string30.offset|) (<= 1 ~systemActive~0) (<= |#t~string23.offset| 0) (<= |#t~string17.offset| 0) (<= 4 ~cleanupTimeShifts~0) (<= 0 |#t~string34.offset|) (<= 0 |#t~string55.offset|) (<= |#t~string19.offset| 0) (<= |#t~string68.offset| 0) (<= 0 |#t~string25.offset|) (<= |#t~string25.offset| 0) (<= 0 |#t~string58.offset|) (<= 0 |#t~string57.offset|) (<= 0 |#t~string68.offset|) (<= 0 |#t~string28.offset|))
[2019-09-21 09:17:06,900 INFO  L104           SifaObserver]: ✘ Some error locations might be reachable, see reported results.
[2019-09-21 09:17:06,901 INFO  L132        PluginConnector]: ------------------------ END Sifa----------------------------
[2019-09-21 09:17:06,904 INFO  L168              Benchmark]: Toolchain (without parser) took 16213.68 ms. Allocated memory was 134.2 MB in the beginning and 350.7 MB in the end (delta: 216.5 MB). Free memory was 89.4 MB in the beginning and 242.2 MB in the end (delta: -152.8 MB). Peak memory consumption was 63.7 MB. Max. memory is 7.1 GB.
[2019-09-21 09:17:06,905 INFO  L168              Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 134.2 MB. Free memory was 108.4 MB in the beginning and 108.2 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB.
[2019-09-21 09:17:06,906 INFO  L168              Benchmark]: CACSL2BoogieTranslator took 593.32 ms. Allocated memory was 134.2 MB in the beginning and 199.2 MB in the end (delta: 65.0 MB). Free memory was 89.2 MB in the beginning and 165.9 MB in the end (delta: -76.8 MB). Peak memory consumption was 27.1 MB. Max. memory is 7.1 GB.
[2019-09-21 09:17:06,909 INFO  L168              Benchmark]: Boogie Preprocessor took 82.89 ms. Allocated memory is still 199.2 MB. Free memory was 165.9 MB in the beginning and 161.3 MB in the end (delta: 4.6 MB). Peak memory consumption was 4.6 MB. Max. memory is 7.1 GB.
[2019-09-21 09:17:06,914 INFO  L168              Benchmark]: RCFGBuilder took 1606.12 ms. Allocated memory was 199.2 MB in the beginning and 227.0 MB in the end (delta: 27.8 MB). Free memory was 161.3 MB in the beginning and 147.2 MB in the end (delta: 14.2 MB). Peak memory consumption was 87.7 MB. Max. memory is 7.1 GB.
[2019-09-21 09:17:06,916 INFO  L168              Benchmark]: Sifa took 13927.23 ms. Allocated memory was 227.0 MB in the beginning and 350.7 MB in the end (delta: 123.7 MB). Free memory was 147.2 MB in the beginning and 242.2 MB in the end (delta: -95.0 MB). Peak memory consumption was 28.7 MB. Max. memory is 7.1 GB.
[2019-09-21 09:17:06,928 INFO  L335   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.21 ms. Allocated memory is still 134.2 MB. Free memory was 108.4 MB in the beginning and 108.2 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB.
 * CACSL2BoogieTranslator took 593.32 ms. Allocated memory was 134.2 MB in the beginning and 199.2 MB in the end (delta: 65.0 MB). Free memory was 89.2 MB in the beginning and 165.9 MB in the end (delta: -76.8 MB). Peak memory consumption was 27.1 MB. Max. memory is 7.1 GB.
 * Boogie Preprocessor took 82.89 ms. Allocated memory is still 199.2 MB. Free memory was 165.9 MB in the beginning and 161.3 MB in the end (delta: 4.6 MB). Peak memory consumption was 4.6 MB. Max. memory is 7.1 GB.
 * RCFGBuilder took 1606.12 ms. Allocated memory was 199.2 MB in the beginning and 227.0 MB in the end (delta: 27.8 MB). Free memory was 161.3 MB in the beginning and 147.2 MB in the end (delta: 14.2 MB). Peak memory consumption was 87.7 MB. Max. memory is 7.1 GB.
 * Sifa took 13927.23 ms. Allocated memory was 227.0 MB in the beginning and 350.7 MB in the end (delta: 123.7 MB). Free memory was 147.2 MB in the beginning and 242.2 MB in the end (delta: -95.0 MB). Peak memory consumption was 28.7 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]: 13878, ICFG_INTERPRETER_ENTERED_PROCEDURES: 8, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 274, DAG_INTERPRETER_EARLY_EXITS: 1, TOOLS_POST_APPLICATIONS: 191, TOOLS_POST_TIME[ms]: 11443, TOOLS_POST_CALL_APPLICATIONS: 68, TOOLS_POST_CALL_TIME[ms]: 194, TOOLS_POST_RETURN_APPLICATIONS: 61, TOOLS_POST_RETURN_TIME[ms]: 93, TOOLS_QUANTIFIERELIM_APPLICATIONS: 319, TOOLS_QUANTIFIERELIM_TIME[ms]: 11602, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 11312, FLUID_QUERY_TIME[ms]: 20, FLUID_QUERIES: 287, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 80, DOMAIN_JOIN_TIME[ms]: 1811, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 4, DOMAIN_WIDEN_TIME[ms]: 18, DOMAIN_ISSUBSETEQ_APPLICATIONS: 13, DOMAIN_ISSUBSETEQ_TIME[ms]: 57, DOMAIN_ISBOTTOM_APPLICATIONS: 36, DOMAIN_ISBOTTOM_TIME[ms]: 77, LOOP_SUMMARIZER_APPLICATIONS: 9, LOOP_SUMMARIZER_CACHE_MISSES: 9, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 1590, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 1590, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 13, CALL_SUMMARIZER_APPLICATIONS: 61, CALL_SUMMARIZER_CACHE_MISSES: 20, CALL_SUMMARIZER_OVERALL_TIME[ms]: 11455, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 11454, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 6, PATH_EXPR_TIME[ms]: 6, REGEX_TO_DAG_TIME[ms]: 9, DAG_COMPRESSION_TIME[ms]: 45, DAG_COMPRESSION_PROCESSED_NODES: 598, DAG_COMPRESSION_RETAINED_NODES: 212
  - UnprovableResult [Line: 177]: 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 406#(and (<= |#t~string58.offset| 0) (<= ~head~0.base 0) (<= 0 |#t~string19.offset|) (<= 0 ~head~0.offset) (<= 0 |#NULL.base|) (<= 0 |#t~string17.offset|) (<= |#t~string67.offset| 0) (<= ~systemActive~0 1) (<= ~head~0.offset 0) (<= 0 |#t~string32.offset|) (<= 0 |#t~string64.offset|) (<= |#t~string55.offset| 0) (<= 0 |#t~string67.offset|) (<= |#t~string34.offset| 0) (<= 0 |#t~string11.offset|) (<= 0 |#t~string60.offset|) (<= |#t~string56.offset| 0) (<= 0 |#t~string59.offset|) (<= 0 |#t~string21.offset|) (<= |#t~string57.offset| 0) (<= 0 |#t~string69.offset|) (<= 0 ~head~0.base) (<= |#NULL.offset| 0) (<= |#t~string13.offset| 0) (<= |#t~string15.offset| 0) (<= 0 ~methaneLevelCritical~0) (<= |#t~string64.offset| 0) (<= |#t~string11.offset| 0) (<= |#t~string65.offset| 0) (<= 0 |#t~string36.offset|) (<= |#t~string36.offset| 0) (<= 0 |#t~string65.offset|) (<= 0 |#t~string56.offset|) (<= |#t~string66.offset| 0) (<= |#t~string21.offset| 0) (<= 0 |#t~string15.offset|) (<= |#t~string59.offset| 0) (<= 0 |#t~string23.offset|) (<= 0 |#NULL.offset|) (<= |#t~string30.offset| 0) (<= |#t~string69.offset| 0) (<= |#t~string32.offset| 0) (<= |#t~string60.offset| 0) (<= ~cleanupTimeShifts~0 4) (<= 0 |#t~string13.offset|) (<= |#NULL.base| 0) (<= 0 |#t~string66.offset|) (<= |#t~string28.offset| 0) (<= 0 |#t~string30.offset|) (<= 1 ~systemActive~0) (<= |#t~string23.offset| 0) (<= |#t~string17.offset| 0) (<= 4 ~cleanupTimeShifts~0) (<= 0 |#t~string34.offset|) (<= 0 |#t~string55.offset|) (<= |#t~string19.offset| 0) (<= |#t~string68.offset| 0) (<= 0 |#t~string25.offset|) (<= |#t~string25.offset| 0) (<= 0 |#t~string58.offset|) (<= 0 |#t~string57.offset|) (<= 0 |#t~string68.offset|) (<= 0 |#t~string28.offset|)). 
Possible FailurePath: 

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