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_product02.cil.c


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


This is Ultimate 0.1.24-fea9116
[2019-09-21 09:16:24,799 INFO  L177        SettingsManager]: Resetting all preferences to default values...
[2019-09-21 09:16:24,801 INFO  L181        SettingsManager]: Resetting UltimateCore preferences to default values
[2019-09-21 09:16:24,812 INFO  L184        SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2019-09-21 09:16:24,813 INFO  L181        SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2019-09-21 09:16:24,814 INFO  L181        SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2019-09-21 09:16:24,816 INFO  L181        SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2019-09-21 09:16:24,818 INFO  L181        SettingsManager]: Resetting LassoRanker preferences to default values
[2019-09-21 09:16:24,822 INFO  L181        SettingsManager]: Resetting Reaching Definitions preferences to default values
[2019-09-21 09:16:24,823 INFO  L181        SettingsManager]: Resetting SyntaxChecker preferences to default values
[2019-09-21 09:16:24,826 INFO  L181        SettingsManager]: Resetting Sifa preferences to default values
[2019-09-21 09:16:24,827 INFO  L184        SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2019-09-21 09:16:24,827 INFO  L181        SettingsManager]: Resetting LTL2Aut preferences to default values
[2019-09-21 09:16:24,832 INFO  L181        SettingsManager]: Resetting PEA to Boogie preferences to default values
[2019-09-21 09:16:24,834 INFO  L181        SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2019-09-21 09:16:24,836 INFO  L181        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2019-09-21 09:16:24,837 INFO  L181        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2019-09-21 09:16:24,838 INFO  L181        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2019-09-21 09:16:24,845 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2019-09-21 09:16:24,850 INFO  L181        SettingsManager]: Resetting CodeCheck preferences to default values
[2019-09-21 09:16:24,852 INFO  L181        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2019-09-21 09:16:24,853 INFO  L181        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2019-09-21 09:16:24,857 INFO  L181        SettingsManager]: Resetting Referee preferences to default values
[2019-09-21 09:16:24,858 INFO  L181        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2019-09-21 09:16:24,865 INFO  L184        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2019-09-21 09:16:24,865 INFO  L184        SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2019-09-21 09:16:24,866 INFO  L181        SettingsManager]: Resetting TreeAutomizer preferences to default values
[2019-09-21 09:16:24,869 INFO  L181        SettingsManager]: Resetting IcfgToChc preferences to default values
[2019-09-21 09:16:24,869 INFO  L181        SettingsManager]: Resetting IcfgTransformer preferences to default values
[2019-09-21 09:16:24,870 INFO  L184        SettingsManager]: ReqToTest provides no preferences, ignoring...
[2019-09-21 09:16:24,870 INFO  L181        SettingsManager]: Resetting Boogie Printer preferences to default values
[2019-09-21 09:16:24,874 INFO  L181        SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2019-09-21 09:16:24,875 INFO  L181        SettingsManager]: Resetting ReqPrinter preferences to default values
[2019-09-21 09:16:24,875 INFO  L181        SettingsManager]: Resetting Witness Printer preferences to default values
[2019-09-21 09:16:24,878 INFO  L184        SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2019-09-21 09:16:24,878 INFO  L181        SettingsManager]: Resetting CDTParser preferences to default values
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[2019-09-21 09:16:24,879 INFO  L184        SettingsManager]: ReqParser provides no preferences, ignoring...
[2019-09-21 09:16:24,879 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
[2019-09-21 09:16:24,880 INFO  L181        SettingsManager]: Resetting Witness Parser preferences to default values
[2019-09-21 09:16:24,881 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2019-09-21 09:16:24,882 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 09:16:24,905 INFO  L113        SettingsManager]: Loading preferences was successful
[2019-09-21 09:16:24,906 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2019-09-21 09:16:24,907 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2019-09-21 09:16:24,908 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2019-09-21 09:16:24,908 INFO  L138        SettingsManager]:  * Use SBE=true
[2019-09-21 09:16:24,908 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2019-09-21 09:16:24,909 INFO  L138        SettingsManager]:  * sizeof long=4
[2019-09-21 09:16:24,909 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2019-09-21 09:16:24,909 INFO  L138        SettingsManager]:  * sizeof POINTER=4
[2019-09-21 09:16:24,909 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2019-09-21 09:16:24,910 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2019-09-21 09:16:24,910 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2019-09-21 09:16:24,911 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2019-09-21 09:16:24,911 INFO  L138        SettingsManager]:  * sizeof long double=12
[2019-09-21 09:16:24,911 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2019-09-21 09:16:24,911 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2019-09-21 09:16:24,912 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2019-09-21 09:16:24,912 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2019-09-21 09:16:24,912 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2019-09-21 09:16:24,912 INFO  L138        SettingsManager]:  * To the following directory=./dump/
[2019-09-21 09:16:24,913 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2019-09-21 09:16:24,913 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2019-09-21 09:16:24,913 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2019-09-21 09:16:24,913 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2019-09-21 09:16:24,914 INFO  L138        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2019-09-21 09:16:24,914 INFO  L138        SettingsManager]:  * Trace refinement strategy=CAMEL
[2019-09-21 09:16:24,914 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2019-09-21 09:16:24,914 INFO  L138        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2019-09-21 09:16:24,915 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 09:16:24,971 INFO  L81    nceAwareModelManager]: Repository-Root is: /tmp
[2019-09-21 09:16:24,987 INFO  L258   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2019-09-21 09:16:24,991 INFO  L214   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2019-09-21 09:16:24,992 INFO  L271        PluginConnector]: Initializing CDTParser...
[2019-09-21 09:16:24,993 INFO  L275        PluginConnector]: CDTParser initialized
[2019-09-21 09:16:24,993 INFO  L428   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product02.cil.c
[2019-09-21 09:16:25,066 INFO  L220              CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/49292f1ec/bfa0c47752174d38aea52003285a64c2/FLAG5c75ff41c
[2019-09-21 09:16:25,560 INFO  L306              CDTParser]: Found 1 translation units.
[2019-09-21 09:16:25,562 INFO  L160              CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec4_product02.cil.c
[2019-09-21 09:16:25,586 INFO  L349              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/49292f1ec/bfa0c47752174d38aea52003285a64c2/FLAG5c75ff41c
[2019-09-21 09:16:25,841 INFO  L357              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/49292f1ec/bfa0c47752174d38aea52003285a64c2
[2019-09-21 09:16:25,850 INFO  L296   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2019-09-21 09:16:25,851 INFO  L131        ToolchainWalker]: Walking toolchain with 4 elements.
[2019-09-21 09:16:25,852 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2019-09-21 09:16:25,852 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2019-09-21 09:16:25,856 INFO  L275        PluginConnector]: CACSL2BoogieTranslator initialized
[2019-09-21 09:16:25,856 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 09:16:25" (1/1) ...
[2019-09-21 09:16:25,859 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@62df7d85 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:16:25, skipping insertion in model container
[2019-09-21 09:16:25,859 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 09:16:25" (1/1) ...
[2019-09-21 09:16:25,867 INFO  L142         MainTranslator]: Starting translation in SV-COMP mode 
[2019-09-21 09:16:25,918 INFO  L173         MainTranslator]: Built tables and reachable declarations
[2019-09-21 09:16:26,290 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2019-09-21 09:16:26,304 INFO  L188         MainTranslator]: Completed pre-run
[2019-09-21 09:16:26,381 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2019-09-21 09:16:26,422 INFO  L192         MainTranslator]: Completed translation
[2019-09-21 09:16:26,423 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:16:26 WrapperNode
[2019-09-21 09:16:26,423 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2019-09-21 09:16:26,424 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2019-09-21 09:16:26,424 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2019-09-21 09:16:26,424 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2019-09-21 09:16:26,437 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:16:26" (1/1) ...
[2019-09-21 09:16:26,438 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:16:26" (1/1) ...
[2019-09-21 09:16:26,456 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:16:26" (1/1) ...
[2019-09-21 09:16:26,456 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:16:26" (1/1) ...
[2019-09-21 09:16:26,487 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:16:26" (1/1) ...
[2019-09-21 09:16:26,497 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:16:26" (1/1) ...
[2019-09-21 09:16:26,502 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:16:26" (1/1) ...
[2019-09-21 09:16:26,514 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2019-09-21 09:16:26,517 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2019-09-21 09:16:26,517 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2019-09-21 09:16:26,517 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2019-09-21 09:16:26,518 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:16:26" (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 09:16:26,594 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2019-09-21 09:16:26,595 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2019-09-21 09:16:26,595 INFO  L138     BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int
[2019-09-21 09:16:26,595 INFO  L138     BoogieDeclarations]: Found implementation of procedure __automaton_fail
[2019-09-21 09:16:26,596 INFO  L138     BoogieDeclarations]: Found implementation of procedure select_one
[2019-09-21 09:16:26,596 INFO  L138     BoogieDeclarations]: Found implementation of procedure select_features
[2019-09-21 09:16:26,597 INFO  L138     BoogieDeclarations]: Found implementation of procedure select_helpers
[2019-09-21 09:16:26,597 INFO  L138     BoogieDeclarations]: Found implementation of procedure valid_product
[2019-09-21 09:16:26,597 INFO  L138     BoogieDeclarations]: Found implementation of procedure timeShift
[2019-09-21 09:16:26,597 INFO  L138     BoogieDeclarations]: Found implementation of procedure processEnvironment
[2019-09-21 09:16:26,598 INFO  L138     BoogieDeclarations]: Found implementation of procedure activatePump
[2019-09-21 09:16:26,598 INFO  L138     BoogieDeclarations]: Found implementation of procedure deactivatePump
[2019-09-21 09:16:26,599 INFO  L138     BoogieDeclarations]: Found implementation of procedure isMethaneAlarm
[2019-09-21 09:16:26,599 INFO  L138     BoogieDeclarations]: Found implementation of procedure isPumpRunning
[2019-09-21 09:16:26,599 INFO  L138     BoogieDeclarations]: Found implementation of procedure printPump
[2019-09-21 09:16:26,599 INFO  L138     BoogieDeclarations]: Found implementation of procedure startSystem
[2019-09-21 09:16:26,601 INFO  L138     BoogieDeclarations]: Found implementation of procedure test
[2019-09-21 09:16:26,602 INFO  L138     BoogieDeclarations]: Found implementation of procedure lowerWaterLevel
[2019-09-21 09:16:26,602 INFO  L138     BoogieDeclarations]: Found implementation of procedure waterRise
[2019-09-21 09:16:26,602 INFO  L138     BoogieDeclarations]: Found implementation of procedure changeMethaneLevel
[2019-09-21 09:16:26,602 INFO  L138     BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical
[2019-09-21 09:16:26,602 INFO  L138     BoogieDeclarations]: Found implementation of procedure printEnvironment
[2019-09-21 09:16:26,602 INFO  L138     BoogieDeclarations]: Found implementation of procedure getWaterLevel
[2019-09-21 09:16:26,603 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1
[2019-09-21 09:16:26,603 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set
[2019-09-21 09:16:26,603 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free
[2019-09-21 09:16:26,603 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset
[2019-09-21 09:16:26,603 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt
[2019-09-21 09:16:26,603 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg
[2019-09-21 09:16:26,603 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype
[2019-09-21 09:16:26,604 INFO  L138     BoogieDeclarations]: Found implementation of procedure cleanup
[2019-09-21 09:16:26,604 INFO  L138     BoogieDeclarations]: Found implementation of procedure Specification2
[2019-09-21 09:16:26,604 INFO  L138     BoogieDeclarations]: Found implementation of procedure setup
[2019-09-21 09:16:26,604 INFO  L138     BoogieDeclarations]: Found implementation of procedure runTest
[2019-09-21 09:16:26,604 INFO  L138     BoogieDeclarations]: Found implementation of procedure main
[2019-09-21 09:16:26,604 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_error
[2019-09-21 09:16:26,604 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int
[2019-09-21 09:16:26,605 INFO  L130     BoogieDeclarations]: Found specification of procedure printf
[2019-09-21 09:16:26,605 INFO  L130     BoogieDeclarations]: Found specification of procedure __automaton_fail
[2019-09-21 09:16:26,605 INFO  L130     BoogieDeclarations]: Found specification of procedure select_one
[2019-09-21 09:16:26,605 INFO  L130     BoogieDeclarations]: Found specification of procedure select_features
[2019-09-21 09:16:26,605 INFO  L130     BoogieDeclarations]: Found specification of procedure select_helpers
[2019-09-21 09:16:26,605 INFO  L130     BoogieDeclarations]: Found specification of procedure valid_product
[2019-09-21 09:16:26,605 INFO  L130     BoogieDeclarations]: Found specification of procedure lowerWaterLevel
[2019-09-21 09:16:26,606 INFO  L130     BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical
[2019-09-21 09:16:26,606 INFO  L130     BoogieDeclarations]: Found specification of procedure printEnvironment
[2019-09-21 09:16:26,606 INFO  L130     BoogieDeclarations]: Found specification of procedure timeShift
[2019-09-21 09:16:26,606 INFO  L130     BoogieDeclarations]: Found specification of procedure activatePump
[2019-09-21 09:16:26,606 INFO  L130     BoogieDeclarations]: Found specification of procedure deactivatePump
[2019-09-21 09:16:26,606 INFO  L130     BoogieDeclarations]: Found specification of procedure isPumpRunning
[2019-09-21 09:16:26,607 INFO  L130     BoogieDeclarations]: Found specification of procedure printPump
[2019-09-21 09:16:26,607 INFO  L130     BoogieDeclarations]: Found specification of procedure startSystem
[2019-09-21 09:16:26,607 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1
[2019-09-21 09:16:26,607 INFO  L130     BoogieDeclarations]: Found specification of procedure processEnvironment
[2019-09-21 09:16:26,607 INFO  L130     BoogieDeclarations]: Found specification of procedure isMethaneAlarm
[2019-09-21 09:16:26,607 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2019-09-21 09:16:26,607 INFO  L130     BoogieDeclarations]: Found specification of procedure waterRise
[2019-09-21 09:16:26,608 INFO  L130     BoogieDeclarations]: Found specification of procedure changeMethaneLevel
[2019-09-21 09:16:26,608 INFO  L130     BoogieDeclarations]: Found specification of procedure cleanup
[2019-09-21 09:16:26,609 INFO  L130     BoogieDeclarations]: Found specification of procedure test
[2019-09-21 09:16:26,609 INFO  L130     BoogieDeclarations]: Found specification of procedure getWaterLevel
[2019-09-21 09:16:26,609 INFO  L130     BoogieDeclarations]: Found specification of procedure __assert_fail
[2019-09-21 09:16:26,609 INFO  L130     BoogieDeclarations]: Found specification of procedure malloc
[2019-09-21 09:16:26,609 INFO  L130     BoogieDeclarations]: Found specification of procedure free
[2019-09-21 09:16:26,609 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set
[2019-09-21 09:16:26,610 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap
[2019-09-21 09:16:26,610 INFO  L130     BoogieDeclarations]: Found specification of procedure write~$Pointer$
[2019-09-21 09:16:26,610 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int
[2019-09-21 09:16:26,610 INFO  L130     BoogieDeclarations]: Found specification of procedure read~$Pointer$
[2019-09-21 09:16:26,610 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free
[2019-09-21 09:16:26,610 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2019-09-21 09:16:26,610 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset
[2019-09-21 09:16:26,611 INFO  L130     BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int
[2019-09-21 09:16:26,611 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int
[2019-09-21 09:16:26,611 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt
[2019-09-21 09:16:26,612 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__get_this_arg
[2019-09-21 09:16:26,612 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype
[2019-09-21 09:16:26,612 INFO  L130     BoogieDeclarations]: Found specification of procedure Specification2
[2019-09-21 09:16:26,613 INFO  L130     BoogieDeclarations]: Found specification of procedure setup
[2019-09-21 09:16:26,613 INFO  L130     BoogieDeclarations]: Found specification of procedure runTest
[2019-09-21 09:16:26,613 INFO  L130     BoogieDeclarations]: Found specification of procedure main
[2019-09-21 09:16:26,614 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2019-09-21 09:16:26,614 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int
[2019-09-21 09:16:26,614 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2019-09-21 09:16:28,035 INFO  L278             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2019-09-21 09:16:28,036 INFO  L283             CfgBuilder]: Removed 5 assume(true) statements.
[2019-09-21 09:16:28,037 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 09:16:28 BoogieIcfgContainer
[2019-09-21 09:16:28,037 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2019-09-21 09:16:28,038 INFO  L113        PluginConnector]: ------------------------Sifa----------------------------
[2019-09-21 09:16:28,038 INFO  L271        PluginConnector]: Initializing Sifa...
[2019-09-21 09:16:28,038 INFO  L275        PluginConnector]: Sifa initialized
[2019-09-21 09:16:28,039 INFO  L185        PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 09:16:28" (1/1) ...
[2019-09-21 09:16:28,040 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 09:16:28,063 INFO  L162        IcfgInterpreter]: Started Sifa with 1 locations of interest
[2019-09-21 09:16:28,063 INFO  L169        IcfgInterpreter]: Building call graph
[2019-09-21 09:16:28,071 INFO  L174        IcfgInterpreter]: Initial procedures are [ULTIMATE.start]
[2019-09-21 09:16:28,080 INFO  L179        IcfgInterpreter]: Starting interpretation
[2019-09-21 09:16:28,081 INFO  L199        IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs
[2019-09-21 09:16:35,234 WARN  L191               SmtUtils]: Spent 322.00 ms on a formula simplification that was a NOOP. DAG size: 464
[2019-09-21 09:16:36,819 WARN  L191               SmtUtils]: Spent 391.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129
[2019-09-21 09:16:36,949 WARN  L191               SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 472
[2019-09-21 09:16:37,018 INFO  L199        IcfgInterpreter]: Interpreting procedure main with input of size 112 for LOIs
[2019-09-21 09:16:37,065 INFO  L199        IcfgInterpreter]: Interpreting procedure runTest with input of size 112 for LOIs
[2019-09-21 09:16:37,068 INFO  L199        IcfgInterpreter]: Interpreting procedure test with input of size 112 for LOIs
[2019-09-21 09:16:38,149 INFO  L199        IcfgInterpreter]: Interpreting procedure cleanup with input of size 1 for LOIs
[2019-09-21 09:16:38,152 INFO  L199        IcfgInterpreter]: Interpreting procedure timeShift with input of size 105 for LOIs
[2019-09-21 09:16:38,193 INFO  L199        IcfgInterpreter]: Interpreting procedure __utac_acc__Specification4_spec__1 with input of size 102 for LOIs
[2019-09-21 09:16:38,202 INFO  L199        IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 102 for LOIs
[2019-09-21 09:16:38,220 INFO  L183        IcfgInterpreter]: Interpretation finished
[2019-09-21 09:16:38,221 INFO  L191        IcfgInterpreter]: Final predicates for locations of interest are:
[2019-09-21 09:16:38,223 INFO  L193        IcfgInterpreter]: Reachable states at location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 205#(and (<= 0 |#t~string62.offset|) (<= 0 |#t~string27.offset|) (<= ~head~0.base 0) (<= 0 ~head~0.offset) (<= 0 |#NULL.base|) (<= 0 |#t~string17.offset|) (<= 0 |#t~string63.offset|) (<= |#t~string31.offset| 0) (<= ~systemActive~0 1) (<= 0 |#t~string52.offset|) (<= ~head~0.offset 0) (<= |#t~string52.offset| 0) (<= 0 |#t~string64.offset|) (<= |#t~string55.offset| 0) (<= 0 |#t~string11.offset|) (<= |#t~string56.offset| 0) (<= |#t~string57.offset| 0) (<= ~pumpRunning~0 0) (<= 0 ~head~0.base) (<= |#NULL.offset| 0) (<= |#t~string7.offset| 0) (<= |#t~string13.offset| 0) (<= |#t~string15.offset| 0) (<= 0 ~methaneLevelCritical~0) (<= |#t~string9.offset| 0) (<= |#t~string64.offset| 0) (<= |#t~string53.offset| 0) (<= |#t~string11.offset| 0) (<= 0 |#t~string61.offset|) (<= |#t~string65.offset| 0) (<= |#t~string27.offset| 0) (<= 0 |#t~string65.offset|) (<= 0 |#t~string56.offset|) (<= 0 |#t~string53.offset|) (<= |#t~string66.offset| 0) (<= 0 |#t~string7.offset|) (<= 0 |#t~string9.offset|) (<= |#t~string61.offset| 0) (<= 0 |#t~string15.offset|) (<= 0 |#t~string54.offset|) (<= 0 |#t~string23.offset|) (<= 0 |#NULL.offset|) (<= ~cleanupTimeShifts~0 4) (<= 0 |#t~string29.offset|) (<= 0 |#t~string13.offset|) (<= 0 |#t~string5.offset|) (<= |#t~string62.offset| 0) (<= 0 ~pumpRunning~0) (<= |#t~string3.offset| 0) (<= |#t~string5.offset| 0) (<= |#NULL.base| 0) (<= |#t~string63.offset| 0) (<= 0 |#t~string66.offset|) (<= 1 ~systemActive~0) (<= 0 |#t~string31.offset|) (<= |#t~string23.offset| 0) (<= |#t~string17.offset| 0) (<= 4 ~cleanupTimeShifts~0) (<= |#t~string54.offset| 0) (<= |#t~string29.offset| 0) (<= 0 |#t~string55.offset|) (<= 0 |#t~string3.offset|) (<= 0 |#t~string25.offset|) (<= |#t~string25.offset| 0) (<= 0 |#t~string57.offset|))
[2019-09-21 09:16:38,242 INFO  L104           SifaObserver]: ✘ Some error locations might be reachable, see reported results.
[2019-09-21 09:16:38,243 INFO  L132        PluginConnector]: ------------------------ END Sifa----------------------------
[2019-09-21 09:16:38,245 INFO  L168              Benchmark]: Toolchain (without parser) took 12393.10 ms. Allocated memory was 139.5 MB in the beginning and 328.7 MB in the end (delta: 189.3 MB). Free memory was 86.7 MB in the beginning and 169.3 MB in the end (delta: -82.5 MB). Peak memory consumption was 106.7 MB. Max. memory is 7.1 GB.
[2019-09-21 09:16:38,246 INFO  L168              Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 139.5 MB. Free memory was 105.6 MB in the beginning and 105.4 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB.
[2019-09-21 09:16:38,247 INFO  L168              Benchmark]: CACSL2BoogieTranslator took 571.48 ms. Allocated memory was 139.5 MB in the beginning and 198.7 MB in the end (delta: 59.2 MB). Free memory was 86.5 MB in the beginning and 166.7 MB in the end (delta: -80.2 MB). Peak memory consumption was 23.1 MB. Max. memory is 7.1 GB.
[2019-09-21 09:16:38,248 INFO  L168              Benchmark]: Boogie Preprocessor took 92.08 ms. Allocated memory is still 198.7 MB. Free memory was 166.7 MB in the beginning and 162.6 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB.
[2019-09-21 09:16:38,249 INFO  L168              Benchmark]: RCFGBuilder took 1520.60 ms. Allocated memory was 198.7 MB in the beginning and 222.3 MB in the end (delta: 23.6 MB). Free memory was 162.0 MB in the beginning and 153.0 MB in the end (delta: 9.0 MB). Peak memory consumption was 93.3 MB. Max. memory is 7.1 GB.
[2019-09-21 09:16:38,250 INFO  L168              Benchmark]: Sifa took 10205.13 ms. Allocated memory was 222.3 MB in the beginning and 328.7 MB in the end (delta: 106.4 MB). Free memory was 153.0 MB in the beginning and 169.3 MB in the end (delta: -16.2 MB). Peak memory consumption was 90.2 MB. Max. memory is 7.1 GB.
[2019-09-21 09:16:38,254 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 139.5 MB. Free memory was 105.6 MB in the beginning and 105.4 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB.
 * CACSL2BoogieTranslator took 571.48 ms. Allocated memory was 139.5 MB in the beginning and 198.7 MB in the end (delta: 59.2 MB). Free memory was 86.5 MB in the beginning and 166.7 MB in the end (delta: -80.2 MB). Peak memory consumption was 23.1 MB. Max. memory is 7.1 GB.
 * Boogie Preprocessor took 92.08 ms. Allocated memory is still 198.7 MB. Free memory was 166.7 MB in the beginning and 162.6 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB.
 * RCFGBuilder took 1520.60 ms. Allocated memory was 198.7 MB in the beginning and 222.3 MB in the end (delta: 23.6 MB). Free memory was 162.0 MB in the beginning and 153.0 MB in the end (delta: 9.0 MB). Peak memory consumption was 93.3 MB. Max. memory is 7.1 GB.
 * Sifa took 10205.13 ms. Allocated memory was 222.3 MB in the beginning and 328.7 MB in the end (delta: 106.4 MB). Free memory was 153.0 MB in the beginning and 169.3 MB in the end (delta: -16.2 MB). Peak memory consumption was 90.2 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]: 10161, ICFG_INTERPRETER_ENTERED_PROCEDURES: 8, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 133, DAG_INTERPRETER_EARLY_EXITS: 2, TOOLS_POST_APPLICATIONS: 91, TOOLS_POST_TIME[ms]: 8866, TOOLS_POST_CALL_APPLICATIONS: 36, TOOLS_POST_CALL_TIME[ms]: 103, TOOLS_POST_RETURN_APPLICATIONS: 29, TOOLS_POST_RETURN_TIME[ms]: 64, TOOLS_QUANTIFIERELIM_APPLICATIONS: 155, TOOLS_QUANTIFIERELIM_TIME[ms]: 8962, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 8811, FLUID_QUERY_TIME[ms]: 9, FLUID_QUERIES: 135, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 46, DOMAIN_JOIN_TIME[ms]: 923, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 1, DOMAIN_WIDEN_TIME[ms]: 4, DOMAIN_ISSUBSETEQ_APPLICATIONS: 2, DOMAIN_ISSUBSETEQ_TIME[ms]: 10, DOMAIN_ISBOTTOM_APPLICATIONS: 30, DOMAIN_ISBOTTOM_TIME[ms]: 72, LOOP_SUMMARIZER_APPLICATIONS: 1, LOOP_SUMMARIZER_CACHE_MISSES: 1, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 752, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 751, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 2, CALL_SUMMARIZER_APPLICATIONS: 29, CALL_SUMMARIZER_CACHE_MISSES: 15, CALL_SUMMARIZER_OVERALL_TIME[ms]: 8900, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 8899, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 5, PATH_EXPR_TIME[ms]: 5, REGEX_TO_DAG_TIME[ms]: 4, DAG_COMPRESSION_TIME[ms]: 27, DAG_COMPRESSION_PROCESSED_NODES: 392, DAG_COMPRESSION_RETAINED_NODES: 158
  - 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 205#(and (<= 0 |#t~string62.offset|) (<= 0 |#t~string27.offset|) (<= ~head~0.base 0) (<= 0 ~head~0.offset) (<= 0 |#NULL.base|) (<= 0 |#t~string17.offset|) (<= 0 |#t~string63.offset|) (<= |#t~string31.offset| 0) (<= ~systemActive~0 1) (<= 0 |#t~string52.offset|) (<= ~head~0.offset 0) (<= |#t~string52.offset| 0) (<= 0 |#t~string64.offset|) (<= |#t~string55.offset| 0) (<= 0 |#t~string11.offset|) (<= |#t~string56.offset| 0) (<= |#t~string57.offset| 0) (<= ~pumpRunning~0 0) (<= 0 ~head~0.base) (<= |#NULL.offset| 0) (<= |#t~string7.offset| 0) (<= |#t~string13.offset| 0) (<= |#t~string15.offset| 0) (<= 0 ~methaneLevelCritical~0) (<= |#t~string9.offset| 0) (<= |#t~string64.offset| 0) (<= |#t~string53.offset| 0) (<= |#t~string11.offset| 0) (<= 0 |#t~string61.offset|) (<= |#t~string65.offset| 0) (<= |#t~string27.offset| 0) (<= 0 |#t~string65.offset|) (<= 0 |#t~string56.offset|) (<= 0 |#t~string53.offset|) (<= |#t~string66.offset| 0) (<= 0 |#t~string7.offset|) (<= 0 |#t~string9.offset|) (<= |#t~string61.offset| 0) (<= 0 |#t~string15.offset|) (<= 0 |#t~string54.offset|) (<= 0 |#t~string23.offset|) (<= 0 |#NULL.offset|) (<= ~cleanupTimeShifts~0 4) (<= 0 |#t~string29.offset|) (<= 0 |#t~string13.offset|) (<= 0 |#t~string5.offset|) (<= |#t~string62.offset| 0) (<= 0 ~pumpRunning~0) (<= |#t~string3.offset| 0) (<= |#t~string5.offset| 0) (<= |#NULL.base| 0) (<= |#t~string63.offset| 0) (<= 0 |#t~string66.offset|) (<= 1 ~systemActive~0) (<= 0 |#t~string31.offset|) (<= |#t~string23.offset| 0) (<= |#t~string17.offset| 0) (<= 4 ~cleanupTimeShifts~0) (<= |#t~string54.offset| 0) (<= |#t~string29.offset| 0) (<= 0 |#t~string55.offset|) (<= 0 |#t~string3.offset|) (<= 0 |#t~string25.offset|) (<= |#t~string25.offset| 0) (<= 0 |#t~string57.offset|)). 
Possible FailurePath: 

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