java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/SifaC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --sifa.abstract.domain ExplicitValueDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/product-lines/minepump_spec2_product21.cil.c


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


This is Ultimate 0.1.24-fea9116
[2019-09-21 08:32:33,357 INFO  L177        SettingsManager]: Resetting all preferences to default values...
[2019-09-21 08:32:33,359 INFO  L181        SettingsManager]: Resetting UltimateCore preferences to default values
[2019-09-21 08:32:33,370 INFO  L184        SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2019-09-21 08:32:33,371 INFO  L181        SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2019-09-21 08:32:33,372 INFO  L181        SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2019-09-21 08:32:33,373 INFO  L181        SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2019-09-21 08:32:33,375 INFO  L181        SettingsManager]: Resetting LassoRanker preferences to default values
[2019-09-21 08:32:33,376 INFO  L181        SettingsManager]: Resetting Reaching Definitions preferences to default values
[2019-09-21 08:32:33,377 INFO  L181        SettingsManager]: Resetting SyntaxChecker preferences to default values
[2019-09-21 08:32:33,378 INFO  L181        SettingsManager]: Resetting Sifa preferences to default values
[2019-09-21 08:32:33,379 INFO  L184        SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2019-09-21 08:32:33,380 INFO  L181        SettingsManager]: Resetting LTL2Aut preferences to default values
[2019-09-21 08:32:33,381 INFO  L181        SettingsManager]: Resetting PEA to Boogie preferences to default values
[2019-09-21 08:32:33,382 INFO  L181        SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2019-09-21 08:32:33,383 INFO  L181        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2019-09-21 08:32:33,383 INFO  L181        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2019-09-21 08:32:33,384 INFO  L181        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2019-09-21 08:32:33,386 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2019-09-21 08:32:33,388 INFO  L181        SettingsManager]: Resetting CodeCheck preferences to default values
[2019-09-21 08:32:33,390 INFO  L181        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2019-09-21 08:32:33,391 INFO  L181        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2019-09-21 08:32:33,392 INFO  L181        SettingsManager]: Resetting Referee preferences to default values
[2019-09-21 08:32:33,393 INFO  L181        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2019-09-21 08:32:33,395 INFO  L184        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2019-09-21 08:32:33,396 INFO  L184        SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2019-09-21 08:32:33,396 INFO  L181        SettingsManager]: Resetting TreeAutomizer preferences to default values
[2019-09-21 08:32:33,397 INFO  L181        SettingsManager]: Resetting IcfgToChc preferences to default values
[2019-09-21 08:32:33,397 INFO  L181        SettingsManager]: Resetting IcfgTransformer preferences to default values
[2019-09-21 08:32:33,398 INFO  L184        SettingsManager]: ReqToTest provides no preferences, ignoring...
[2019-09-21 08:32:33,399 INFO  L181        SettingsManager]: Resetting Boogie Printer preferences to default values
[2019-09-21 08:32:33,399 INFO  L181        SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2019-09-21 08:32:33,400 INFO  L181        SettingsManager]: Resetting ReqPrinter preferences to default values
[2019-09-21 08:32:33,401 INFO  L181        SettingsManager]: Resetting Witness Printer preferences to default values
[2019-09-21 08:32:33,402 INFO  L184        SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2019-09-21 08:32:33,402 INFO  L181        SettingsManager]: Resetting CDTParser preferences to default values
[2019-09-21 08:32:33,403 INFO  L184        SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2019-09-21 08:32:33,403 INFO  L184        SettingsManager]: ReqParser provides no preferences, ignoring...
[2019-09-21 08:32:33,403 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
[2019-09-21 08:32:33,404 INFO  L181        SettingsManager]: Resetting Witness Parser preferences to default values
[2019-09-21 08:32:33,405 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2019-09-21 08:32:33,406 INFO  L101        SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf
[2019-09-21 08:32:33,420 INFO  L113        SettingsManager]: Loading preferences was successful
[2019-09-21 08:32:33,421 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2019-09-21 08:32:33,422 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2019-09-21 08:32:33,422 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2019-09-21 08:32:33,422 INFO  L138        SettingsManager]:  * Use SBE=true
[2019-09-21 08:32:33,422 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2019-09-21 08:32:33,423 INFO  L138        SettingsManager]:  * sizeof long=4
[2019-09-21 08:32:33,423 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2019-09-21 08:32:33,423 INFO  L138        SettingsManager]:  * sizeof POINTER=4
[2019-09-21 08:32:33,423 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2019-09-21 08:32:33,423 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2019-09-21 08:32:33,424 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2019-09-21 08:32:33,424 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2019-09-21 08:32:33,424 INFO  L138        SettingsManager]:  * sizeof long double=12
[2019-09-21 08:32:33,424 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2019-09-21 08:32:33,424 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2019-09-21 08:32:33,424 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2019-09-21 08:32:33,425 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2019-09-21 08:32:33,425 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2019-09-21 08:32:33,425 INFO  L138        SettingsManager]:  * To the following directory=./dump/
[2019-09-21 08:32:33,425 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2019-09-21 08:32:33,426 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2019-09-21 08:32:33,426 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2019-09-21 08:32:33,426 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2019-09-21 08:32:33,426 INFO  L138        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2019-09-21 08:32:33,426 INFO  L138        SettingsManager]:  * Trace refinement strategy=CAMEL
[2019-09-21 08:32:33,427 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2019-09-21 08:32:33,427 INFO  L138        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2019-09-21 08:32:33,427 INFO  L138        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> ExplicitValueDomain
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Intern Fluid -> SizeLimitFluid
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK
[2019-09-21 08:32:33,457 INFO  L81    nceAwareModelManager]: Repository-Root is: /tmp
[2019-09-21 08:32:33,469 INFO  L258   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2019-09-21 08:32:33,472 INFO  L214   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2019-09-21 08:32:33,474 INFO  L271        PluginConnector]: Initializing CDTParser...
[2019-09-21 08:32:33,474 INFO  L275        PluginConnector]: CDTParser initialized
[2019-09-21 08:32:33,475 INFO  L428   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product21.cil.c
[2019-09-21 08:32:33,533 INFO  L220              CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c458b8637/d43aeca605744147beacd0add8c572fb/FLAG48367f02f
[2019-09-21 08:32:34,036 INFO  L306              CDTParser]: Found 1 translation units.
[2019-09-21 08:32:34,037 INFO  L160              CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec2_product21.cil.c
[2019-09-21 08:32:34,054 INFO  L349              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c458b8637/d43aeca605744147beacd0add8c572fb/FLAG48367f02f
[2019-09-21 08:32:34,372 INFO  L357              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c458b8637/d43aeca605744147beacd0add8c572fb
[2019-09-21 08:32:34,380 INFO  L296   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2019-09-21 08:32:34,382 INFO  L131        ToolchainWalker]: Walking toolchain with 4 elements.
[2019-09-21 08:32:34,383 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2019-09-21 08:32:34,383 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2019-09-21 08:32:34,386 INFO  L275        PluginConnector]: CACSL2BoogieTranslator initialized
[2019-09-21 08:32:34,387 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 08:32:34" (1/1) ...
[2019-09-21 08:32:34,390 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@af82b88 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:32:34, skipping insertion in model container
[2019-09-21 08:32:34,390 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 08:32:34" (1/1) ...
[2019-09-21 08:32:34,397 INFO  L142         MainTranslator]: Starting translation in SV-COMP mode 
[2019-09-21 08:32:34,445 INFO  L173         MainTranslator]: Built tables and reachable declarations
[2019-09-21 08:32:34,877 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2019-09-21 08:32:34,901 INFO  L188         MainTranslator]: Completed pre-run
[2019-09-21 08:32:35,004 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2019-09-21 08:32:35,038 INFO  L192         MainTranslator]: Completed translation
[2019-09-21 08:32:35,038 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:32:35 WrapperNode
[2019-09-21 08:32:35,038 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2019-09-21 08:32:35,039 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2019-09-21 08:32:35,039 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2019-09-21 08:32:35,039 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2019-09-21 08:32:35,049 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:32:35" (1/1) ...
[2019-09-21 08:32:35,050 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:32:35" (1/1) ...
[2019-09-21 08:32:35,068 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:32:35" (1/1) ...
[2019-09-21 08:32:35,069 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:32:35" (1/1) ...
[2019-09-21 08:32:35,096 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:32:35" (1/1) ...
[2019-09-21 08:32:35,109 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:32:35" (1/1) ...
[2019-09-21 08:32:35,115 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:32:35" (1/1) ...
[2019-09-21 08:32:35,135 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2019-09-21 08:32:35,138 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2019-09-21 08:32:35,139 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2019-09-21 08:32:35,139 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2019-09-21 08:32:35,140 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:32:35" (1/1) ...
No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2019-09-21 08:32:35,212 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2019-09-21 08:32:35,212 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2019-09-21 08:32:35,213 INFO  L138     BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int
[2019-09-21 08:32:35,213 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set
[2019-09-21 08:32:35,214 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free
[2019-09-21 08:32:35,214 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset
[2019-09-21 08:32:35,215 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt
[2019-09-21 08:32:35,215 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg
[2019-09-21 08:32:35,215 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype
[2019-09-21 08:32:35,216 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1
[2019-09-21 08:32:35,216 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2
[2019-09-21 08:32:35,217 INFO  L138     BoogieDeclarations]: Found implementation of procedure cleanup
[2019-09-21 08:32:35,217 INFO  L138     BoogieDeclarations]: Found implementation of procedure Specification2
[2019-09-21 08:32:35,217 INFO  L138     BoogieDeclarations]: Found implementation of procedure setup
[2019-09-21 08:32:35,217 INFO  L138     BoogieDeclarations]: Found implementation of procedure runTest
[2019-09-21 08:32:35,217 INFO  L138     BoogieDeclarations]: Found implementation of procedure main
[2019-09-21 08:32:35,220 INFO  L138     BoogieDeclarations]: Found implementation of procedure lowerWaterLevel
[2019-09-21 08:32:35,220 INFO  L138     BoogieDeclarations]: Found implementation of procedure waterRise
[2019-09-21 08:32:35,220 INFO  L138     BoogieDeclarations]: Found implementation of procedure changeMethaneLevel
[2019-09-21 08:32:35,220 INFO  L138     BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical
[2019-09-21 08:32:35,221 INFO  L138     BoogieDeclarations]: Found implementation of procedure printEnvironment
[2019-09-21 08:32:35,221 INFO  L138     BoogieDeclarations]: Found implementation of procedure getWaterLevel
[2019-09-21 08:32:35,221 INFO  L138     BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry
[2019-09-21 08:32:35,221 INFO  L138     BoogieDeclarations]: Found implementation of procedure __automaton_fail
[2019-09-21 08:32:35,221 INFO  L138     BoogieDeclarations]: Found implementation of procedure select_one
[2019-09-21 08:32:35,221 INFO  L138     BoogieDeclarations]: Found implementation of procedure select_features
[2019-09-21 08:32:35,221 INFO  L138     BoogieDeclarations]: Found implementation of procedure select_helpers
[2019-09-21 08:32:35,222 INFO  L138     BoogieDeclarations]: Found implementation of procedure valid_product
[2019-09-21 08:32:35,222 INFO  L138     BoogieDeclarations]: Found implementation of procedure timeShift
[2019-09-21 08:32:35,222 INFO  L138     BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base
[2019-09-21 08:32:35,222 INFO  L138     BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor
[2019-09-21 08:32:35,222 INFO  L138     BoogieDeclarations]: Found implementation of procedure processEnvironment
[2019-09-21 08:32:35,222 INFO  L138     BoogieDeclarations]: Found implementation of procedure activatePump
[2019-09-21 08:32:35,222 INFO  L138     BoogieDeclarations]: Found implementation of procedure deactivatePump
[2019-09-21 08:32:35,223 INFO  L138     BoogieDeclarations]: Found implementation of procedure isMethaneAlarm
[2019-09-21 08:32:35,223 INFO  L138     BoogieDeclarations]: Found implementation of procedure isPumpRunning
[2019-09-21 08:32:35,223 INFO  L138     BoogieDeclarations]: Found implementation of procedure printPump
[2019-09-21 08:32:35,223 INFO  L138     BoogieDeclarations]: Found implementation of procedure isLowWaterLevel
[2019-09-21 08:32:35,223 INFO  L138     BoogieDeclarations]: Found implementation of procedure test
[2019-09-21 08:32:35,224 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_error
[2019-09-21 08:32:35,224 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int
[2019-09-21 08:32:35,224 INFO  L130     BoogieDeclarations]: Found specification of procedure printf
[2019-09-21 08:32:35,224 INFO  L130     BoogieDeclarations]: Found specification of procedure __assert_fail
[2019-09-21 08:32:35,224 INFO  L130     BoogieDeclarations]: Found specification of procedure malloc
[2019-09-21 08:32:35,224 INFO  L130     BoogieDeclarations]: Found specification of procedure free
[2019-09-21 08:32:35,225 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set
[2019-09-21 08:32:35,225 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap
[2019-09-21 08:32:35,225 INFO  L130     BoogieDeclarations]: Found specification of procedure write~$Pointer$
[2019-09-21 08:32:35,225 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int
[2019-09-21 08:32:35,225 INFO  L130     BoogieDeclarations]: Found specification of procedure read~$Pointer$
[2019-09-21 08:32:35,225 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free
[2019-09-21 08:32:35,226 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2019-09-21 08:32:35,226 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset
[2019-09-21 08:32:35,226 INFO  L130     BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int
[2019-09-21 08:32:35,226 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int
[2019-09-21 08:32:35,226 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt
[2019-09-21 08:32:35,226 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__get_this_arg
[2019-09-21 08:32:35,227 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2019-09-21 08:32:35,227 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype
[2019-09-21 08:32:35,227 INFO  L130     BoogieDeclarations]: Found specification of procedure __automaton_fail
[2019-09-21 08:32:35,228 INFO  L130     BoogieDeclarations]: Found specification of procedure isPumpRunning
[2019-09-21 08:32:35,228 INFO  L130     BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical
[2019-09-21 08:32:35,228 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1
[2019-09-21 08:32:35,228 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2
[2019-09-21 08:32:35,228 INFO  L130     BoogieDeclarations]: Found specification of procedure timeShift
[2019-09-21 08:32:35,229 INFO  L130     BoogieDeclarations]: Found specification of procedure cleanup
[2019-09-21 08:32:35,229 INFO  L130     BoogieDeclarations]: Found specification of procedure printPump
[2019-09-21 08:32:35,229 INFO  L130     BoogieDeclarations]: Found specification of procedure waterRise
[2019-09-21 08:32:35,229 INFO  L130     BoogieDeclarations]: Found specification of procedure changeMethaneLevel
[2019-09-21 08:32:35,229 INFO  L130     BoogieDeclarations]: Found specification of procedure Specification2
[2019-09-21 08:32:35,229 INFO  L130     BoogieDeclarations]: Found specification of procedure setup
[2019-09-21 08:32:35,229 INFO  L130     BoogieDeclarations]: Found specification of procedure test
[2019-09-21 08:32:35,230 INFO  L130     BoogieDeclarations]: Found specification of procedure runTest
[2019-09-21 08:32:35,230 INFO  L130     BoogieDeclarations]: Found specification of procedure select_helpers
[2019-09-21 08:32:35,231 INFO  L130     BoogieDeclarations]: Found specification of procedure select_features
[2019-09-21 08:32:35,231 INFO  L130     BoogieDeclarations]: Found specification of procedure valid_product
[2019-09-21 08:32:35,231 INFO  L130     BoogieDeclarations]: Found specification of procedure main
[2019-09-21 08:32:35,232 INFO  L130     BoogieDeclarations]: Found specification of procedure lowerWaterLevel
[2019-09-21 08:32:35,232 INFO  L130     BoogieDeclarations]: Found specification of procedure getWaterLevel
[2019-09-21 08:32:35,232 INFO  L130     BoogieDeclarations]: Found specification of procedure printEnvironment
[2019-09-21 08:32:35,233 INFO  L130     BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry
[2019-09-21 08:32:35,233 INFO  L130     BoogieDeclarations]: Found specification of procedure select_one
[2019-09-21 08:32:35,233 INFO  L130     BoogieDeclarations]: Found specification of procedure activatePump
[2019-09-21 08:32:35,233 INFO  L130     BoogieDeclarations]: Found specification of procedure deactivatePump
[2019-09-21 08:32:35,234 INFO  L130     BoogieDeclarations]: Found specification of procedure processEnvironment
[2019-09-21 08:32:35,234 INFO  L130     BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base
[2019-09-21 08:32:35,234 INFO  L130     BoogieDeclarations]: Found specification of procedure isLowWaterLevel
[2019-09-21 08:32:35,235 INFO  L130     BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor
[2019-09-21 08:32:35,235 INFO  L130     BoogieDeclarations]: Found specification of procedure isMethaneAlarm
[2019-09-21 08:32:35,235 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2019-09-21 08:32:35,235 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int
[2019-09-21 08:32:35,235 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2019-09-21 08:32:36,890 INFO  L278             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2019-09-21 08:32:36,891 INFO  L283             CfgBuilder]: Removed 5 assume(true) statements.
[2019-09-21 08:32:36,893 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 08:32:36 BoogieIcfgContainer
[2019-09-21 08:32:36,893 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2019-09-21 08:32:36,894 INFO  L113        PluginConnector]: ------------------------Sifa----------------------------
[2019-09-21 08:32:36,894 INFO  L271        PluginConnector]: Initializing Sifa...
[2019-09-21 08:32:36,895 INFO  L275        PluginConnector]: Sifa initialized
[2019-09-21 08:32:36,896 INFO  L185        PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 08:32:36" (1/1) ...
[2019-09-21 08:32:36,897 INFO  L79            SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=ExplicitValueDomain ♦ Abstract when formula's dag size exceeds
(negative numbers disable this limit)=-1 ♦ Fluid=SizeLimitFluid ♦ Max. Parallel Explicit Values=2 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ Abstract when formula has more disjuncts than
(negative numbers disable this limit)=8 ♦ Call Summarizer=TopInputCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ Simplification Technique=SIMPLIFY_QUICK ♦ Intern Fluid=SizeLimitFluid
[2019-09-21 08:32:36,939 INFO  L162        IcfgInterpreter]: Started Sifa with 1 locations of interest
[2019-09-21 08:32:36,944 INFO  L169        IcfgInterpreter]: Building call graph
[2019-09-21 08:32:36,958 INFO  L174        IcfgInterpreter]: Initial procedures are [ULTIMATE.start]
[2019-09-21 08:32:36,970 INFO  L179        IcfgInterpreter]: Starting interpretation
[2019-09-21 08:32:36,972 INFO  L199        IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs
[2019-09-21 08:32:47,447 WARN  L191               SmtUtils]: Spent 347.00 ms on a formula simplification that was a NOOP. DAG size: 466
[2019-09-21 08:32:49,008 WARN  L191               SmtUtils]: Spent 402.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129
[2019-09-21 08:32:49,175 WARN  L191               SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 474
[2019-09-21 08:32:49,297 WARN  L191               SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 474
[2019-09-21 08:32:49,427 WARN  L191               SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 474
[2019-09-21 08:32:49,453 INFO  L199        IcfgInterpreter]: Interpreting procedure main with input of size 482 for LOIs
[2019-09-21 08:32:49,505 INFO  L199        IcfgInterpreter]: Interpreting procedure runTest with input of size 482 for LOIs
[2019-09-21 08:32:49,520 INFO  L199        IcfgInterpreter]: Interpreting procedure test with input of size 482 for LOIs
[2019-09-21 08:32:50,015 WARN  L191               SmtUtils]: Spent 387.00 ms on a formula simplification that was a NOOP. DAG size: 502
[2019-09-21 08:32:50,364 WARN  L191               SmtUtils]: Spent 347.00 ms on a formula simplification that was a NOOP. DAG size: 502
[2019-09-21 08:32:50,646 WARN  L191               SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 502
[2019-09-21 08:32:50,902 WARN  L191               SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 502
[2019-09-21 08:32:51,311 WARN  L191               SmtUtils]: Spent 379.00 ms on a formula simplification that was a NOOP. DAG size: 513
[2019-09-21 08:32:51,642 WARN  L191               SmtUtils]: Spent 329.00 ms on a formula simplification that was a NOOP. DAG size: 513
[2019-09-21 08:32:52,205 WARN  L191               SmtUtils]: Spent 379.00 ms on a formula simplification. DAG size of input: 523 DAG size of output: 523
[2019-09-21 08:32:52,498 WARN  L191               SmtUtils]: Spent 292.00 ms on a formula simplification that was a NOOP. DAG size: 523
[2019-09-21 08:32:52,846 WARN  L191               SmtUtils]: Spent 330.00 ms on a formula simplification that was a NOOP. DAG size: 529
[2019-09-21 08:32:53,140 WARN  L191               SmtUtils]: Spent 293.00 ms on a formula simplification that was a NOOP. DAG size: 529
[2019-09-21 08:32:53,542 WARN  L191               SmtUtils]: Spent 335.00 ms on a formula simplification that was a NOOP. DAG size: 538
[2019-09-21 08:32:53,891 WARN  L191               SmtUtils]: Spent 346.00 ms on a formula simplification that was a NOOP. DAG size: 538
[2019-09-21 08:32:54,182 WARN  L191               SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 538
[2019-09-21 08:32:54,524 WARN  L191               SmtUtils]: Spent 341.00 ms on a formula simplification that was a NOOP. DAG size: 538
[2019-09-21 08:32:55,520 WARN  L191               SmtUtils]: Spent 962.00 ms on a formula simplification that was a NOOP. DAG size: 552
[2019-09-21 08:32:56,061 WARN  L191               SmtUtils]: Spent 540.00 ms on a formula simplification that was a NOOP. DAG size: 552
[2019-09-21 08:32:56,505 WARN  L191               SmtUtils]: Spent 307.00 ms on a formula simplification. DAG size of input: 527 DAG size of output: 524
[2019-09-21 08:32:56,712 WARN  L191               SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 524
[2019-09-21 08:32:57,054 WARN  L191               SmtUtils]: Spent 326.00 ms on a formula simplification that was a NOOP. DAG size: 537
[2019-09-21 08:32:57,563 INFO  L199        IcfgInterpreter]: Interpreting procedure cleanup with input of size 10 for LOIs
[2019-09-21 08:32:57,589 INFO  L199        IcfgInterpreter]: Interpreting procedure timeShift with input of size 10 for LOIs
[2019-09-21 08:32:57,598 INFO  L199        IcfgInterpreter]: Interpreting procedure __utac_acc__Specification2_spec__2 with input of size 24 for LOIs
[2019-09-21 08:32:57,602 INFO  L199        IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 35 for LOIs
[2019-09-21 08:32:57,605 INFO  L183        IcfgInterpreter]: Interpretation finished
[2019-09-21 08:32:57,605 INFO  L191        IcfgInterpreter]: Final predicates for locations of interest are:
[2019-09-21 08:32:57,608 INFO  L193        IcfgInterpreter]: Reachable states at location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 435#(and (not (= 0 ~methAndRunningLastTime~0)) (<= ~pumpRunning~0 2147483647) (not (= 0 ~methaneLevelCritical~0)) (or (and (= 0 ~waterLevel~0) (not (= 0 ~systemActive~0))) (and (or (< 0 (+ ~waterLevel~0 1)) (<= ~waterLevel~0 0)) (= 0 ~systemActive~0))) (<= 0 (+ ~pumpRunning~0 2147483648)) (<= 0 (+ ~methaneLevelCritical~0 2147483648)) (<= ~methaneLevelCritical~0 2147483647) (not (= ~pumpRunning~0 0)))
[2019-09-21 08:32:57,622 INFO  L104           SifaObserver]: ✘ Some error locations might be reachable, see reported results.
[2019-09-21 08:32:57,622 INFO  L132        PluginConnector]: ------------------------ END Sifa----------------------------
[2019-09-21 08:32:57,624 INFO  L168              Benchmark]: Toolchain (without parser) took 23241.62 ms. Allocated memory was 132.6 MB in the beginning and 724.0 MB in the end (delta: 591.4 MB). Free memory was 87.2 MB in the beginning and 371.8 MB in the end (delta: -284.6 MB). Peak memory consumption was 306.8 MB. Max. memory is 7.1 GB.
[2019-09-21 08:32:57,626 INFO  L168              Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 132.6 MB. Free memory was 106.6 MB in the beginning and 106.4 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB.
[2019-09-21 08:32:57,636 INFO  L168              Benchmark]: CACSL2BoogieTranslator took 656.00 ms. Allocated memory was 132.6 MB in the beginning and 200.8 MB in the end (delta: 68.2 MB). Free memory was 87.0 MB in the beginning and 165.3 MB in the end (delta: -78.3 MB). Peak memory consumption was 26.9 MB. Max. memory is 7.1 GB.
[2019-09-21 08:32:57,637 INFO  L168              Benchmark]: Boogie Preprocessor took 96.02 ms. Allocated memory is still 200.8 MB. Free memory was 165.3 MB in the beginning and 160.8 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.4 MB. Max. memory is 7.1 GB.
[2019-09-21 08:32:57,640 INFO  L168              Benchmark]: RCFGBuilder took 1755.24 ms. Allocated memory was 200.8 MB in the beginning and 223.9 MB in the end (delta: 23.1 MB). Free memory was 160.8 MB in the beginning and 142.4 MB in the end (delta: 18.4 MB). Peak memory consumption was 90.5 MB. Max. memory is 7.1 GB.
[2019-09-21 08:32:57,642 INFO  L168              Benchmark]: Sifa took 20727.88 ms. Allocated memory was 223.9 MB in the beginning and 724.0 MB in the end (delta: 500.2 MB). Free memory was 142.4 MB in the beginning and 371.8 MB in the end (delta: -229.4 MB). Peak memory consumption was 270.8 MB. Max. memory is 7.1 GB.
[2019-09-21 08:32:57,649 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 132.6 MB. Free memory was 106.6 MB in the beginning and 106.4 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB.
 * CACSL2BoogieTranslator took 656.00 ms. Allocated memory was 132.6 MB in the beginning and 200.8 MB in the end (delta: 68.2 MB). Free memory was 87.0 MB in the beginning and 165.3 MB in the end (delta: -78.3 MB). Peak memory consumption was 26.9 MB. Max. memory is 7.1 GB.
 * Boogie Preprocessor took 96.02 ms. Allocated memory is still 200.8 MB. Free memory was 165.3 MB in the beginning and 160.8 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.4 MB. Max. memory is 7.1 GB.
 * RCFGBuilder took 1755.24 ms. Allocated memory was 200.8 MB in the beginning and 223.9 MB in the end (delta: 23.1 MB). Free memory was 160.8 MB in the beginning and 142.4 MB in the end (delta: 18.4 MB). Peak memory consumption was 90.5 MB. Max. memory is 7.1 GB.
 * Sifa took 20727.88 ms. Allocated memory was 223.9 MB in the beginning and 724.0 MB in the end (delta: 500.2 MB). Free memory was 142.4 MB in the beginning and 371.8 MB in the end (delta: -229.4 MB). Peak memory consumption was 270.8 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]: 20669, ICFG_INTERPRETER_ENTERED_PROCEDURES: 8, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 220, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 140, TOOLS_POST_TIME[ms]: 12242, TOOLS_POST_CALL_APPLICATIONS: 67, TOOLS_POST_CALL_TIME[ms]: 235, TOOLS_POST_RETURN_APPLICATIONS: 58, TOOLS_POST_RETURN_TIME[ms]: 116, TOOLS_QUANTIFIERELIM_APPLICATIONS: 265, TOOLS_QUANTIFIERELIM_TIME[ms]: 12489, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 12119, FLUID_QUERY_TIME[ms]: 10, FLUID_QUERIES: 226, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 71, DOMAIN_JOIN_TIME[ms]: 6803, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 4, DOMAIN_WIDEN_TIME[ms]: 964, DOMAIN_ISSUBSETEQ_APPLICATIONS: 6, DOMAIN_ISSUBSETEQ_TIME[ms]: 31, DOMAIN_ISBOTTOM_APPLICATIONS: 37, DOMAIN_ISBOTTOM_TIME[ms]: 110, LOOP_SUMMARIZER_APPLICATIONS: 2, LOOP_SUMMARIZER_CACHE_MISSES: 2, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 7551, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 7550, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 6, CALL_SUMMARIZER_APPLICATIONS: 58, CALL_SUMMARIZER_CACHE_MISSES: 24, CALL_SUMMARIZER_OVERALL_TIME[ms]: 12549, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 12548, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 7, PATH_EXPR_TIME[ms]: 7, REGEX_TO_DAG_TIME[ms]: 5, DAG_COMPRESSION_TIME[ms]: 40, DAG_COMPRESSION_PROCESSED_NODES: 448, DAG_COMPRESSION_RETAINED_NODES: 205
  - UnprovableResult [Line: 650]: 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 435#(and (not (= 0 ~methAndRunningLastTime~0)) (<= ~pumpRunning~0 2147483647) (not (= 0 ~methaneLevelCritical~0)) (or (and (= 0 ~waterLevel~0) (not (= 0 ~systemActive~0))) (and (or (< 0 (+ ~waterLevel~0 1)) (<= ~waterLevel~0 0)) (= 0 ~systemActive~0))) (<= 0 (+ ~pumpRunning~0 2147483648)) (<= 0 (+ ~methaneLevelCritical~0 2147483648)) (<= ~methaneLevelCritical~0 2147483647) (not (= ~pumpRunning~0 0))). 
Possible FailurePath: 

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