./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product17_false-unreach-call_false-termination.cil.c --full-output --architecture 32bit


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


Checking for ERROR reachability
Using default analysis
Version 635dfa2a
Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_7dbcd731-7393-4161-8654-4d147709dbba/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_7dbcd731-7393-4161-8654-4d147709dbba/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_7dbcd731-7393-4161-8654-4d147709dbba/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_7dbcd731-7393-4161-8654-4d147709dbba/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product17_false-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_7dbcd731-7393-4161-8654-4d147709dbba/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_7dbcd731-7393-4161-8654-4d147709dbba/bin-2019/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) )

 --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 5ac89a83bf5f8cec9ed1c7380129a7935c1d366c
.......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................
Execution finished normally
Writing output log to file Ultimate.log
Writing human readable error path to file UltimateCounterExample.errorpath
Result:
FALSE
--- Real Ultimate output ---
This is Ultimate 0.1.23-635dfa2
[2018-12-03 07:48:06,537 INFO  L170        SettingsManager]: Resetting all preferences to default values...
[2018-12-03 07:48:06,538 INFO  L174        SettingsManager]: Resetting UltimateCore preferences to default values
[2018-12-03 07:48:06,546 INFO  L177        SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2018-12-03 07:48:06,547 INFO  L174        SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2018-12-03 07:48:06,547 INFO  L174        SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2018-12-03 07:48:06,548 INFO  L174        SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2018-12-03 07:48:06,550 INFO  L174        SettingsManager]: Resetting LassoRanker preferences to default values
[2018-12-03 07:48:06,551 INFO  L174        SettingsManager]: Resetting Reaching Definitions preferences to default values
[2018-12-03 07:48:06,551 INFO  L174        SettingsManager]: Resetting SyntaxChecker preferences to default values
[2018-12-03 07:48:06,552 INFO  L177        SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2018-12-03 07:48:06,552 INFO  L174        SettingsManager]: Resetting LTL2Aut preferences to default values
[2018-12-03 07:48:06,553 INFO  L174        SettingsManager]: Resetting PEA to Boogie preferences to default values
[2018-12-03 07:48:06,554 INFO  L174        SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2018-12-03 07:48:06,555 INFO  L174        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2018-12-03 07:48:06,555 INFO  L174        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2018-12-03 07:48:06,556 INFO  L174        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2018-12-03 07:48:06,557 INFO  L174        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2018-12-03 07:48:06,558 INFO  L174        SettingsManager]: Resetting CodeCheck preferences to default values
[2018-12-03 07:48:06,560 INFO  L174        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2018-12-03 07:48:06,560 INFO  L174        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2018-12-03 07:48:06,561 INFO  L174        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2018-12-03 07:48:06,563 INFO  L177        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2018-12-03 07:48:06,563 INFO  L177        SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2018-12-03 07:48:06,564 INFO  L174        SettingsManager]: Resetting TreeAutomizer preferences to default values
[2018-12-03 07:48:06,564 INFO  L174        SettingsManager]: Resetting IcfgTransformer preferences to default values
[2018-12-03 07:48:06,565 INFO  L174        SettingsManager]: Resetting Boogie Printer preferences to default values
[2018-12-03 07:48:06,566 INFO  L174        SettingsManager]: Resetting ReqPrinter preferences to default values
[2018-12-03 07:48:06,566 INFO  L174        SettingsManager]: Resetting Witness Printer preferences to default values
[2018-12-03 07:48:06,567 INFO  L177        SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2018-12-03 07:48:06,567 INFO  L174        SettingsManager]: Resetting CDTParser preferences to default values
[2018-12-03 07:48:06,568 INFO  L177        SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2018-12-03 07:48:06,568 INFO  L177        SettingsManager]: ReqParser provides no preferences, ignoring...
[2018-12-03 07:48:06,568 INFO  L174        SettingsManager]: Resetting SmtParser preferences to default values
[2018-12-03 07:48:06,569 INFO  L174        SettingsManager]: Resetting Witness Parser preferences to default values
[2018-12-03 07:48:06,570 INFO  L181        SettingsManager]: Finished resetting all preferences to default values...
[2018-12-03 07:48:06,570 INFO  L98         SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_7dbcd731-7393-4161-8654-4d147709dbba/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf
[2018-12-03 07:48:06,580 INFO  L110        SettingsManager]: Loading preferences was successful
[2018-12-03 07:48:06,580 INFO  L112        SettingsManager]: Preferences different from defaults after loading the file:
[2018-12-03 07:48:06,581 INFO  L131        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2018-12-03 07:48:06,581 INFO  L133        SettingsManager]:  * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS
[2018-12-03 07:48:06,581 INFO  L133        SettingsManager]:  * User list type=DISABLED
[2018-12-03 07:48:06,581 INFO  L131        SettingsManager]: Preferences of Abstract Interpretation differ from their defaults:
[2018-12-03 07:48:06,582 INFO  L133        SettingsManager]:  * Explicit value domain=true
[2018-12-03 07:48:06,582 INFO  L133        SettingsManager]:  * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain
[2018-12-03 07:48:06,582 INFO  L133        SettingsManager]:  * Octagon Domain=false
[2018-12-03 07:48:06,582 INFO  L133        SettingsManager]:  * Abstract domain=CompoundDomain
[2018-12-03 07:48:06,582 INFO  L133        SettingsManager]:  * Check feasibility of abstract posts with an SMT solver=true
[2018-12-03 07:48:06,582 INFO  L133        SettingsManager]:  * Use the RCFG-of-the-future interface=true
[2018-12-03 07:48:06,582 INFO  L133        SettingsManager]:  * Interval Domain=false
[2018-12-03 07:48:06,583 INFO  L131        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2018-12-03 07:48:06,583 INFO  L133        SettingsManager]:  * sizeof long=4
[2018-12-03 07:48:06,583 INFO  L133        SettingsManager]:  * Overapproximate operations on floating types=true
[2018-12-03 07:48:06,583 INFO  L133        SettingsManager]:  * sizeof POINTER=4
[2018-12-03 07:48:06,583 INFO  L133        SettingsManager]:  * Check division by zero=IGNORE
[2018-12-03 07:48:06,583 INFO  L133        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2018-12-03 07:48:06,583 INFO  L133        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2018-12-03 07:48:06,584 INFO  L133        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2018-12-03 07:48:06,584 INFO  L133        SettingsManager]:  * sizeof long double=12
[2018-12-03 07:48:06,584 INFO  L133        SettingsManager]:  * Check if freed pointer was valid=false
[2018-12-03 07:48:06,584 INFO  L133        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2018-12-03 07:48:06,584 INFO  L131        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2018-12-03 07:48:06,584 INFO  L133        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2018-12-03 07:48:06,584 INFO  L133        SettingsManager]:  * To the following directory=./dump/
[2018-12-03 07:48:06,584 INFO  L133        SettingsManager]:  * SMT solver=External_DefaultMode
[2018-12-03 07:48:06,584 INFO  L133        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2018-12-03 07:48:06,585 INFO  L131        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2018-12-03 07:48:06,585 INFO  L133        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2018-12-03 07:48:06,585 INFO  L133        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2018-12-03 07:48:06,585 INFO  L133        SettingsManager]:  * Trace refinement strategy=TAIPAN
[2018-12-03 07:48:06,585 INFO  L133        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2018-12-03 07:48:06,585 INFO  L133        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2018-12-03 07:48:06,585 INFO  L133        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2018-12-03 07:48:06,585 INFO  L133        SettingsManager]:  * Abstract interpretation Mode=USE_PREDICATES
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/working_dir_7dbcd731-7393-4161-8654-4d147709dbba/bin-2019/utaipan
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) )


Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5ac89a83bf5f8cec9ed1c7380129a7935c1d366c
[2018-12-03 07:48:06,608 INFO  L81    nceAwareModelManager]: Repository-Root is: /tmp
[2018-12-03 07:48:06,619 INFO  L258   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2018-12-03 07:48:06,622 INFO  L214   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2018-12-03 07:48:06,623 INFO  L271        PluginConnector]: Initializing CDTParser...
[2018-12-03 07:48:06,624 INFO  L276        PluginConnector]: CDTParser initialized
[2018-12-03 07:48:06,624 INFO  L418   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_7dbcd731-7393-4161-8654-4d147709dbba/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec3_product17_false-unreach-call_false-termination.cil.c
[2018-12-03 07:48:06,671 INFO  L221              CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_7dbcd731-7393-4161-8654-4d147709dbba/bin-2019/utaipan/data/1aae1e400/7b98a269916144338ce58bc565a8bfe3/FLAG8550878d5
[2018-12-03 07:48:07,044 INFO  L307              CDTParser]: Found 1 translation units.
[2018-12-03 07:48:07,044 INFO  L161              CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_7dbcd731-7393-4161-8654-4d147709dbba/sv-benchmarks/c/product-lines/minepump_spec3_product17_false-unreach-call_false-termination.cil.c
[2018-12-03 07:48:07,050 INFO  L355              CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_7dbcd731-7393-4161-8654-4d147709dbba/bin-2019/utaipan/data/1aae1e400/7b98a269916144338ce58bc565a8bfe3/FLAG8550878d5
[2018-12-03 07:48:07,058 INFO  L363              CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_7dbcd731-7393-4161-8654-4d147709dbba/bin-2019/utaipan/data/1aae1e400/7b98a269916144338ce58bc565a8bfe3
[2018-12-03 07:48:07,060 INFO  L296   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2018-12-03 07:48:07,060 INFO  L131        ToolchainWalker]: Walking toolchain with 6 elements.
[2018-12-03 07:48:07,061 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2018-12-03 07:48:07,061 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2018-12-03 07:48:07,063 INFO  L276        PluginConnector]: CACSL2BoogieTranslator initialized
[2018-12-03 07:48:07,063 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 07:48:07" (1/1) ...
[2018-12-03 07:48:07,065 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@42d622ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 07:48:07, skipping insertion in model container
[2018-12-03 07:48:07,065 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 07:48:07" (1/1) ...
[2018-12-03 07:48:07,069 INFO  L145         MainTranslator]: Starting translation in SV-COMP mode 
[2018-12-03 07:48:07,089 INFO  L176         MainTranslator]: Built tables and reachable declarations
[2018-12-03 07:48:07,231 INFO  L203          PostProcessor]: Analyzing one entry point: main
[2018-12-03 07:48:07,238 INFO  L191         MainTranslator]: Completed pre-run
[2018-12-03 07:48:07,286 INFO  L203          PostProcessor]: Analyzing one entry point: main
[2018-12-03 07:48:07,329 INFO  L195         MainTranslator]: Completed translation
[2018-12-03 07:48:07,329 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 07:48:07 WrapperNode
[2018-12-03 07:48:07,330 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2018-12-03 07:48:07,330 INFO  L113        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2018-12-03 07:48:07,330 INFO  L271        PluginConnector]: Initializing Boogie Procedure Inliner...
[2018-12-03 07:48:07,330 INFO  L276        PluginConnector]: Boogie Procedure Inliner initialized
[2018-12-03 07:48:07,338 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 07:48:07" (1/1) ...
[2018-12-03 07:48:07,351 INFO  L185        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 07:48:07" (1/1) ...
[2018-12-03 07:48:07,357 INFO  L132        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2018-12-03 07:48:07,358 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2018-12-03 07:48:07,358 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2018-12-03 07:48:07,358 INFO  L276        PluginConnector]: Boogie Preprocessor initialized
[2018-12-03 07:48:07,363 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 07:48:07" (1/1) ...
[2018-12-03 07:48:07,364 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 07:48:07" (1/1) ...
[2018-12-03 07:48:07,365 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 07:48:07" (1/1) ...
[2018-12-03 07:48:07,366 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 07:48:07" (1/1) ...
[2018-12-03 07:48:07,371 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 07:48:07" (1/1) ...
[2018-12-03 07:48:07,375 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 07:48:07" (1/1) ...
[2018-12-03 07:48:07,376 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 07:48:07" (1/1) ...
[2018-12-03 07:48:07,378 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2018-12-03 07:48:07,378 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2018-12-03 07:48:07,378 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2018-12-03 07:48:07,378 INFO  L276        PluginConnector]: RCFGBuilder initialized
[2018-12-03 07:48:07,379 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 07:48:07" (1/1) ...
No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_7dbcd731-7393-4161-8654-4d147709dbba/bin-2019/utaipan/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
[2018-12-03 07:48:07,411 INFO  L130     BoogieDeclarations]: Found specification of procedure valid_product
[2018-12-03 07:48:07,411 INFO  L138     BoogieDeclarations]: Found implementation of procedure valid_product
[2018-12-03 07:48:07,411 INFO  L130     BoogieDeclarations]: Found specification of procedure main
[2018-12-03 07:48:07,411 INFO  L138     BoogieDeclarations]: Found implementation of procedure main
[2018-12-03 07:48:07,412 INFO  L130     BoogieDeclarations]: Found specification of procedure isLowWaterLevel
[2018-12-03 07:48:07,412 INFO  L138     BoogieDeclarations]: Found implementation of procedure isLowWaterLevel
[2018-12-03 07:48:07,412 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.alloc
[2018-12-03 07:48:07,412 INFO  L130     BoogieDeclarations]: Found specification of procedure select_features
[2018-12-03 07:48:07,412 INFO  L138     BoogieDeclarations]: Found implementation of procedure select_features
[2018-12-03 07:48:07,412 INFO  L130     BoogieDeclarations]: Found specification of procedure processEnvironment
[2018-12-03 07:48:07,412 INFO  L138     BoogieDeclarations]: Found implementation of procedure processEnvironment
[2018-12-03 07:48:07,412 INFO  L130     BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base
[2018-12-03 07:48:07,412 INFO  L138     BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base
[2018-12-03 07:48:07,412 INFO  L130     BoogieDeclarations]: Found specification of procedure test
[2018-12-03 07:48:07,412 INFO  L138     BoogieDeclarations]: Found implementation of procedure test
[2018-12-03 07:48:07,413 INFO  L130     BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry
[2018-12-03 07:48:07,413 INFO  L138     BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry
[2018-12-03 07:48:07,413 INFO  L130     BoogieDeclarations]: Found specification of procedure getWaterLevel
[2018-12-03 07:48:07,413 INFO  L138     BoogieDeclarations]: Found implementation of procedure getWaterLevel
[2018-12-03 07:48:07,413 INFO  L130     BoogieDeclarations]: Found specification of procedure cleanup
[2018-12-03 07:48:07,413 INFO  L138     BoogieDeclarations]: Found implementation of procedure cleanup
[2018-12-03 07:48:07,413 INFO  L130     BoogieDeclarations]: Found specification of procedure timeShift
[2018-12-03 07:48:07,413 INFO  L138     BoogieDeclarations]: Found implementation of procedure timeShift
[2018-12-03 07:48:07,413 INFO  L130     BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical
[2018-12-03 07:48:07,413 INFO  L138     BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical
[2018-12-03 07:48:07,413 INFO  L130     BoogieDeclarations]: Found specification of procedure lowerWaterLevel
[2018-12-03 07:48:07,414 INFO  L138     BoogieDeclarations]: Found implementation of procedure lowerWaterLevel
[2018-12-03 07:48:07,414 INFO  L130     BoogieDeclarations]: Found specification of procedure waterRise
[2018-12-03 07:48:07,414 INFO  L138     BoogieDeclarations]: Found implementation of procedure waterRise
[2018-12-03 07:48:07,414 INFO  L130     BoogieDeclarations]: Found specification of procedure __automaton_fail
[2018-12-03 07:48:07,414 INFO  L138     BoogieDeclarations]: Found implementation of procedure __automaton_fail
[2018-12-03 07:48:07,414 INFO  L130     BoogieDeclarations]: Found specification of procedure select_helpers
[2018-12-03 07:48:07,414 INFO  L138     BoogieDeclarations]: Found implementation of procedure select_helpers
[2018-12-03 07:48:07,414 INFO  L130     BoogieDeclarations]: Found specification of procedure isPumpRunning
[2018-12-03 07:48:07,414 INFO  L138     BoogieDeclarations]: Found implementation of procedure isPumpRunning
[2018-12-03 07:48:07,415 INFO  L130     BoogieDeclarations]: Found specification of procedure runTest
[2018-12-03 07:48:07,415 INFO  L138     BoogieDeclarations]: Found implementation of procedure runTest
[2018-12-03 07:48:07,415 INFO  L130     BoogieDeclarations]: Found specification of procedure deactivatePump
[2018-12-03 07:48:07,415 INFO  L138     BoogieDeclarations]: Found implementation of procedure deactivatePump
[2018-12-03 07:48:07,415 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int
[2018-12-03 07:48:07,415 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2018-12-03 07:48:07,415 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2018-12-03 07:48:07,416 INFO  L130     BoogieDeclarations]: Found specification of procedure changeMethaneLevel
[2018-12-03 07:48:07,416 INFO  L138     BoogieDeclarations]: Found implementation of procedure changeMethaneLevel
[2018-12-03 07:48:07,416 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1
[2018-12-03 07:48:07,416 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1
[2018-12-03 07:48:07,416 INFO  L130     BoogieDeclarations]: Found specification of procedure setup
[2018-12-03 07:48:07,416 INFO  L138     BoogieDeclarations]: Found implementation of procedure setup
[2018-12-03 07:48:07,416 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2018-12-03 07:48:07,417 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2018-12-03 07:48:07,696 INFO  L275             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2018-12-03 07:48:07,696 INFO  L280             CfgBuilder]: Removed 2 assue(true) statements.
[2018-12-03 07:48:07,696 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 07:48:07 BoogieIcfgContainer
[2018-12-03 07:48:07,697 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2018-12-03 07:48:07,697 INFO  L113        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2018-12-03 07:48:07,697 INFO  L271        PluginConnector]: Initializing TraceAbstraction...
[2018-12-03 07:48:07,699 INFO  L276        PluginConnector]: TraceAbstraction initialized
[2018-12-03 07:48:07,699 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.12 07:48:07" (1/3) ...
[2018-12-03 07:48:07,700 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1248d8e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.12 07:48:07, skipping insertion in model container
[2018-12-03 07:48:07,700 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 07:48:07" (2/3) ...
[2018-12-03 07:48:07,700 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1248d8e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.12 07:48:07, skipping insertion in model container
[2018-12-03 07:48:07,700 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 07:48:07" (3/3) ...
[2018-12-03 07:48:07,702 INFO  L112   eAbstractionObserver]: Analyzing ICFG minepump_spec3_product17_false-unreach-call_false-termination.cil.c
[2018-12-03 07:48:07,708 INFO  L156   ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2018-12-03 07:48:07,714 INFO  L168   ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations.
[2018-12-03 07:48:07,726 INFO  L257      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2018-12-03 07:48:07,745 INFO  L382      AbstractCegarLoop]: Interprodecural is true
[2018-12-03 07:48:07,745 INFO  L383      AbstractCegarLoop]: Hoare is true
[2018-12-03 07:48:07,745 INFO  L384      AbstractCegarLoop]: Compute interpolants for FPandBP
[2018-12-03 07:48:07,745 INFO  L385      AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2018-12-03 07:48:07,745 INFO  L386      AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2018-12-03 07:48:07,745 INFO  L387      AbstractCegarLoop]: Difference is false
[2018-12-03 07:48:07,745 INFO  L388      AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2018-12-03 07:48:07,745 INFO  L393      AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2018-12-03 07:48:07,757 INFO  L276                IsEmpty]: Start isEmpty. Operand 123 states.
[2018-12-03 07:48:07,762 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 53
[2018-12-03 07:48:07,762 INFO  L394         BasicCegarLoop]: Found error trace
[2018-12-03 07:48:07,763 INFO  L402         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2018-12-03 07:48:07,764 INFO  L423      AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2018-12-03 07:48:07,767 INFO  L141       PredicateUnifier]: Initialized classic predicate unifier
[2018-12-03 07:48:07,768 INFO  L82        PathProgramCache]: Analyzing trace with hash -991151300, now seen corresponding path program 1 times
[2018-12-03 07:48:07,769 INFO  L69    tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy
[2018-12-03 07:48:07,797 INFO  L119   rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2018-12-03 07:48:07,797 INFO  L103   rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2018-12-03 07:48:07,797 INFO  L119   rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2018-12-03 07:48:07,798 INFO  L286   anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation)
[2018-12-03 07:48:07,857 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-12-03 07:48:07,906 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2018-12-03 07:48:07,907 INFO  L312   seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2018-12-03 07:48:07,907 INFO  L327   seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2018-12-03 07:48:07,907 INFO  L256   anRefinementStrategy]: Using the first perfect interpolant sequence
[2018-12-03 07:48:07,910 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 2 states
[2018-12-03 07:48:07,918 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2018-12-03 07:48:07,918 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2018-12-03 07:48:07,919 INFO  L87              Difference]: Start difference. First operand 123 states. Second operand 2 states.
[2018-12-03 07:48:07,940 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2018-12-03 07:48:07,940 INFO  L93              Difference]: Finished difference Result 220 states and 273 transitions.
[2018-12-03 07:48:07,940 INFO  L142   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2018-12-03 07:48:07,941 INFO  L78                 Accepts]: Start accepts. Automaton has 2 states. Word has length 52
[2018-12-03 07:48:07,941 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2018-12-03 07:48:07,948 INFO  L225             Difference]: With dead ends: 220
[2018-12-03 07:48:07,948 INFO  L226             Difference]: Without dead ends: 110
[2018-12-03 07:48:07,950 INFO  L631         BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2018-12-03 07:48:07,961 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 110 states.
[2018-12-03 07:48:07,977 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 110.
[2018-12-03 07:48:07,978 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 110 states.
[2018-12-03 07:48:07,979 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 128 transitions.
[2018-12-03 07:48:07,981 INFO  L78                 Accepts]: Start accepts. Automaton has 110 states and 128 transitions. Word has length 52
[2018-12-03 07:48:07,981 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2018-12-03 07:48:07,981 INFO  L480      AbstractCegarLoop]: Abstraction has 110 states and 128 transitions.
[2018-12-03 07:48:07,981 INFO  L481      AbstractCegarLoop]: Interpolant automaton has 2 states.
[2018-12-03 07:48:07,981 INFO  L276                IsEmpty]: Start isEmpty. Operand 110 states and 128 transitions.
[2018-12-03 07:48:07,983 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 54
[2018-12-03 07:48:07,983 INFO  L394         BasicCegarLoop]: Found error trace
[2018-12-03 07:48:07,983 INFO  L402         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2018-12-03 07:48:07,983 INFO  L423      AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2018-12-03 07:48:07,983 INFO  L141       PredicateUnifier]: Initialized classic predicate unifier
[2018-12-03 07:48:07,983 INFO  L82        PathProgramCache]: Analyzing trace with hash 1356499299, now seen corresponding path program 1 times
[2018-12-03 07:48:07,984 INFO  L69    tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy
[2018-12-03 07:48:07,984 INFO  L119   rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2018-12-03 07:48:07,984 INFO  L103   rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2018-12-03 07:48:07,984 INFO  L119   rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2018-12-03 07:48:07,984 INFO  L286   anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation)
[2018-12-03 07:48:08,000 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-12-03 07:48:08,034 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2018-12-03 07:48:08,034 INFO  L312   seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2018-12-03 07:48:08,034 INFO  L327   seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2018-12-03 07:48:08,034 INFO  L256   anRefinementStrategy]: Using the first perfect interpolant sequence
[2018-12-03 07:48:08,035 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 3 states
[2018-12-03 07:48:08,035 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2018-12-03 07:48:08,036 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2018-12-03 07:48:08,036 INFO  L87              Difference]: Start difference. First operand 110 states and 128 transitions. Second operand 3 states.
[2018-12-03 07:48:08,050 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2018-12-03 07:48:08,050 INFO  L93              Difference]: Finished difference Result 169 states and 195 transitions.
[2018-12-03 07:48:08,051 INFO  L142   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2018-12-03 07:48:08,051 INFO  L78                 Accepts]: Start accepts. Automaton has 3 states. Word has length 53
[2018-12-03 07:48:08,051 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2018-12-03 07:48:08,052 INFO  L225             Difference]: With dead ends: 169
[2018-12-03 07:48:08,052 INFO  L226             Difference]: Without dead ends: 101
[2018-12-03 07:48:08,052 INFO  L631         BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2018-12-03 07:48:08,053 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 101 states.
[2018-12-03 07:48:08,057 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 101.
[2018-12-03 07:48:08,058 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 101 states.
[2018-12-03 07:48:08,058 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 116 transitions.
[2018-12-03 07:48:08,058 INFO  L78                 Accepts]: Start accepts. Automaton has 101 states and 116 transitions. Word has length 53
[2018-12-03 07:48:08,059 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2018-12-03 07:48:08,059 INFO  L480      AbstractCegarLoop]: Abstraction has 101 states and 116 transitions.
[2018-12-03 07:48:08,059 INFO  L481      AbstractCegarLoop]: Interpolant automaton has 3 states.
[2018-12-03 07:48:08,059 INFO  L276                IsEmpty]: Start isEmpty. Operand 101 states and 116 transitions.
[2018-12-03 07:48:08,059 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 58
[2018-12-03 07:48:08,059 INFO  L394         BasicCegarLoop]: Found error trace
[2018-12-03 07:48:08,060 INFO  L402         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2018-12-03 07:48:08,060 INFO  L423      AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2018-12-03 07:48:08,060 INFO  L141       PredicateUnifier]: Initialized classic predicate unifier
[2018-12-03 07:48:08,060 INFO  L82        PathProgramCache]: Analyzing trace with hash 596852059, now seen corresponding path program 1 times
[2018-12-03 07:48:08,060 INFO  L69    tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy
[2018-12-03 07:48:08,061 INFO  L119   rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2018-12-03 07:48:08,061 INFO  L103   rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2018-12-03 07:48:08,061 INFO  L119   rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2018-12-03 07:48:08,061 INFO  L286   anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation)
[2018-12-03 07:48:08,073 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-12-03 07:48:08,131 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2018-12-03 07:48:08,131 INFO  L312   seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2018-12-03 07:48:08,131 INFO  L327   seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7
[2018-12-03 07:48:08,132 INFO  L256   anRefinementStrategy]: Using the first perfect interpolant sequence
[2018-12-03 07:48:08,132 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 7 states
[2018-12-03 07:48:08,132 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2018-12-03 07:48:08,132 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42
[2018-12-03 07:48:08,132 INFO  L87              Difference]: Start difference. First operand 101 states and 116 transitions. Second operand 7 states.
[2018-12-03 07:48:08,323 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2018-12-03 07:48:08,323 INFO  L93              Difference]: Finished difference Result 178 states and 209 transitions.
[2018-12-03 07:48:08,323 INFO  L142   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2018-12-03 07:48:08,323 INFO  L78                 Accepts]: Start accepts. Automaton has 7 states. Word has length 57
[2018-12-03 07:48:08,323 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2018-12-03 07:48:08,324 INFO  L225             Difference]: With dead ends: 178
[2018-12-03 07:48:08,324 INFO  L226             Difference]: Without dead ends: 101
[2018-12-03 07:48:08,325 INFO  L631         BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90
[2018-12-03 07:48:08,325 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 101 states.
[2018-12-03 07:48:08,330 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 101.
[2018-12-03 07:48:08,330 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 101 states.
[2018-12-03 07:48:08,331 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 115 transitions.
[2018-12-03 07:48:08,331 INFO  L78                 Accepts]: Start accepts. Automaton has 101 states and 115 transitions. Word has length 57
[2018-12-03 07:48:08,331 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2018-12-03 07:48:08,331 INFO  L480      AbstractCegarLoop]: Abstraction has 101 states and 115 transitions.
[2018-12-03 07:48:08,331 INFO  L481      AbstractCegarLoop]: Interpolant automaton has 7 states.
[2018-12-03 07:48:08,332 INFO  L276                IsEmpty]: Start isEmpty. Operand 101 states and 115 transitions.
[2018-12-03 07:48:08,332 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 66
[2018-12-03 07:48:08,333 INFO  L394         BasicCegarLoop]: Found error trace
[2018-12-03 07:48:08,333 INFO  L402         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2018-12-03 07:48:08,333 INFO  L423      AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2018-12-03 07:48:08,333 INFO  L141       PredicateUnifier]: Initialized classic predicate unifier
[2018-12-03 07:48:08,333 INFO  L82        PathProgramCache]: Analyzing trace with hash -2049483316, now seen corresponding path program 1 times
[2018-12-03 07:48:08,333 INFO  L69    tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy
[2018-12-03 07:48:08,334 INFO  L119   rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2018-12-03 07:48:08,334 INFO  L103   rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2018-12-03 07:48:08,334 INFO  L119   rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2018-12-03 07:48:08,334 INFO  L286   anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation)
[2018-12-03 07:48:08,348 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-12-03 07:48:08,412 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2018-12-03 07:48:08,412 INFO  L312   seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2018-12-03 07:48:08,412 INFO  L327   seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2018-12-03 07:48:08,412 INFO  L256   anRefinementStrategy]: Using the first perfect interpolant sequence
[2018-12-03 07:48:08,413 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 6 states
[2018-12-03 07:48:08,413 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2018-12-03 07:48:08,413 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2018-12-03 07:48:08,413 INFO  L87              Difference]: Start difference. First operand 101 states and 115 transitions. Second operand 6 states.
[2018-12-03 07:48:08,528 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2018-12-03 07:48:08,528 INFO  L93              Difference]: Finished difference Result 244 states and 293 transitions.
[2018-12-03 07:48:08,528 INFO  L142   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2018-12-03 07:48:08,528 INFO  L78                 Accepts]: Start accepts. Automaton has 6 states. Word has length 65
[2018-12-03 07:48:08,529 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2018-12-03 07:48:08,531 INFO  L225             Difference]: With dead ends: 244
[2018-12-03 07:48:08,531 INFO  L226             Difference]: Without dead ends: 167
[2018-12-03 07:48:08,532 INFO  L631         BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72
[2018-12-03 07:48:08,532 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 167 states.
[2018-12-03 07:48:08,547 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 167 to 165.
[2018-12-03 07:48:08,547 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 165 states.
[2018-12-03 07:48:08,548 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 165 states and 193 transitions.
[2018-12-03 07:48:08,549 INFO  L78                 Accepts]: Start accepts. Automaton has 165 states and 193 transitions. Word has length 65
[2018-12-03 07:48:08,549 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2018-12-03 07:48:08,549 INFO  L480      AbstractCegarLoop]: Abstraction has 165 states and 193 transitions.
[2018-12-03 07:48:08,549 INFO  L481      AbstractCegarLoop]: Interpolant automaton has 6 states.
[2018-12-03 07:48:08,550 INFO  L276                IsEmpty]: Start isEmpty. Operand 165 states and 193 transitions.
[2018-12-03 07:48:08,551 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 70
[2018-12-03 07:48:08,552 INFO  L394         BasicCegarLoop]: Found error trace
[2018-12-03 07:48:08,552 INFO  L402         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2018-12-03 07:48:08,552 INFO  L423      AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2018-12-03 07:48:08,552 INFO  L141       PredicateUnifier]: Initialized classic predicate unifier
[2018-12-03 07:48:08,552 INFO  L82        PathProgramCache]: Analyzing trace with hash 528506258, now seen corresponding path program 1 times
[2018-12-03 07:48:08,552 INFO  L69    tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy
[2018-12-03 07:48:08,553 INFO  L119   rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2018-12-03 07:48:08,553 INFO  L103   rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2018-12-03 07:48:08,553 INFO  L119   rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2018-12-03 07:48:08,554 INFO  L286   anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation)
[2018-12-03 07:48:08,587 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2018-12-03 07:48:08,613 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2018-12-03 07:48:08,667 INFO  L469         BasicCegarLoop]: Counterexample might be feasible
[2018-12-03 07:48:08,745 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.12 07:48:08 BoogieIcfgContainer
[2018-12-03 07:48:08,746 INFO  L132        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2018-12-03 07:48:08,746 INFO  L113        PluginConnector]: ------------------------Witness Printer----------------------------
[2018-12-03 07:48:08,746 INFO  L271        PluginConnector]: Initializing Witness Printer...
[2018-12-03 07:48:08,746 INFO  L276        PluginConnector]: Witness Printer initialized
[2018-12-03 07:48:08,747 INFO  L185        PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 07:48:07" (3/4) ...
[2018-12-03 07:48:08,748 INFO  L138         WitnessPrinter]: Generating witness for reachability counterexample
[2018-12-03 07:48:08,809 INFO  L145         WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_7dbcd731-7393-4161-8654-4d147709dbba/bin-2019/utaipan/witness.graphml
[2018-12-03 07:48:08,809 INFO  L132        PluginConnector]: ------------------------ END Witness Printer----------------------------
[2018-12-03 07:48:08,810 INFO  L168              Benchmark]: Toolchain (without parser) took 1750.06 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 236.5 MB). Free memory was 952.4 MB in the beginning and 957.9 MB in the end (delta: -5.5 MB). Peak memory consumption was 231.0 MB. Max. memory is 11.5 GB.
[2018-12-03 07:48:08,811 INFO  L168              Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB.
[2018-12-03 07:48:08,811 INFO  L168              Benchmark]: CACSL2BoogieTranslator took 269.11 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 236.5 MB). Free memory was 952.4 MB in the beginning and 1.2 GB in the end (delta: -278.2 MB). Peak memory consumption was 23.0 MB. Max. memory is 11.5 GB.
[2018-12-03 07:48:08,811 INFO  L168              Benchmark]: Boogie Procedure Inliner took 27.22 ms. Allocated memory is still 1.3 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 5.0 MB). Peak memory consumption was 5.0 MB. Max. memory is 11.5 GB.
[2018-12-03 07:48:08,812 INFO  L168              Benchmark]: Boogie Preprocessor took 20.34 ms. Allocated memory is still 1.3 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB.
[2018-12-03 07:48:08,812 INFO  L168              Benchmark]: RCFGBuilder took 318.50 ms. Allocated memory is still 1.3 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 50.5 MB). Peak memory consumption was 50.5 MB. Max. memory is 11.5 GB.
[2018-12-03 07:48:08,812 INFO  L168              Benchmark]: TraceAbstraction took 1048.41 ms. Allocated memory is still 1.3 GB. Free memory was 1.2 GB in the beginning and 988.2 MB in the end (delta: 186.9 MB). Peak memory consumption was 186.9 MB. Max. memory is 11.5 GB.
[2018-12-03 07:48:08,812 INFO  L168              Benchmark]: Witness Printer took 63.54 ms. Allocated memory is still 1.3 GB. Free memory was 988.2 MB in the beginning and 957.9 MB in the end (delta: 30.3 MB). Peak memory consumption was 30.3 MB. Max. memory is 11.5 GB.
[2018-12-03 07:48:08,813 INFO  L336   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB.
 * CACSL2BoogieTranslator took 269.11 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 236.5 MB). Free memory was 952.4 MB in the beginning and 1.2 GB in the end (delta: -278.2 MB). Peak memory consumption was 23.0 MB. Max. memory is 11.5 GB.
 * Boogie Procedure Inliner took 27.22 ms. Allocated memory is still 1.3 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 5.0 MB). Peak memory consumption was 5.0 MB. Max. memory is 11.5 GB.
 * Boogie Preprocessor took 20.34 ms. Allocated memory is still 1.3 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB.
 * RCFGBuilder took 318.50 ms. Allocated memory is still 1.3 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 50.5 MB). Peak memory consumption was 50.5 MB. Max. memory is 11.5 GB.
 * TraceAbstraction took 1048.41 ms. Allocated memory is still 1.3 GB. Free memory was 1.2 GB in the beginning and 988.2 MB in the end (delta: 186.9 MB). Peak memory consumption was 186.9 MB. Max. memory is 11.5 GB.
 * Witness Printer took 63.54 ms. Allocated memory is still 1.3 GB. Free memory was 988.2 MB in the beginning and 957.9 MB in the end (delta: 30.3 MB). Peak memory consumption was 30.3 MB. Max. memory is 11.5 GB.
 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
  - CounterExampleResult [Line: 506]: a call of __VERIFIER_error() is reachable
    a call of __VERIFIER_error() is reachable
We found a FailurePath: 
[L209]              static struct __ACC__ERR *head  =    (struct __ACC__ERR *)0;
[L413]              int waterLevel  =    1;
[L414]              int methaneLevelCritical  =    0;
[L582]              int pumpRunning  =    0;
[L583]              int systemActive  =    1;
[L735]              int cleanupTimeShifts  =    4;
        VAL         [\old(cleanupTimeShifts)=195, \old(head)=182, \old(head)=200, \old(methaneLevelCritical)=156, \old(pumpRunning)=141, \old(systemActive)=140, \old(waterLevel)=145, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1]
[L811]              int retValue_acc ;
[L812]              int tmp ;
        VAL         [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1]
[L816]  FCALL       select_helpers()
        VAL         [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1]
[L817]  FCALL       select_features()
        VAL         [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1]
[L818]  CALL, EXPR  valid_product()
        VAL         [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1]
[L860]              int retValue_acc ;
[L863]              retValue_acc = 1
[L864]              return (retValue_acc);
        VAL         [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, \result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1]
[L818]  RET, EXPR   valid_product()
        VAL         [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, valid_product()=1, waterLevel=1]
[L818]              tmp = valid_product()
[L820]  COND TRUE   \read(tmp)
        VAL         [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, waterLevel=1]
[L822]  FCALL       setup()
        VAL         [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, waterLevel=1]
[L823]  CALL        runTest()
        VAL         [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1]
[L802]  CALL        test()
        VAL         [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1]
[L514]              int splverifierCounter ;
[L515]              int tmp ;
[L516]              int tmp___0 ;
[L517]              int tmp___1 ;
[L518]              int tmp___2 ;
[L521]              splverifierCounter = 0
        VAL         [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1]
[L523]  COND TRUE   1
        VAL         [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1]
[L525]  COND TRUE   splverifierCounter < 4
        VAL         [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1]
[L531]              tmp = __VERIFIER_nondet_int()
[L533]  COND TRUE   \read(tmp)
        VAL         [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, waterLevel=1]
[L535]  CALL        waterRise()
        VAL         [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1]
[L431]  COND TRUE   waterLevel < 2
[L432]              waterLevel = waterLevel + 1
        VAL         [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2]
[L535]  RET         waterRise()
        VAL         [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, waterLevel=2]
[L541]              tmp___0 = __VERIFIER_nondet_int()
[L543]  COND FALSE  !(\read(tmp___0))
        VAL         [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, waterLevel=2]
[L551]              tmp___2 = __VERIFIER_nondet_int()
[L553]  COND TRUE   \read(tmp___2)
        VAL         [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, tmp___2=1, waterLevel=2]
[L566]  CALL        timeShift()
        VAL         [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2]
[L590]  COND FALSE  !(\read(pumpRunning))
        VAL         [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2]
[L597]  COND TRUE   \read(systemActive)
        VAL         [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2]
[L599]  CALL        processEnvironment()
        VAL         [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2]
[L619]              int tmp ;
        VAL         [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2]
[L622]  COND FALSE  !(\read(pumpRunning))
        VAL         [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2]
[L637]  FCALL       processEnvironment__wrappee__base()
        VAL         [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2]
[L599]  RET         processEnvironment()
        VAL         [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2]
[L605]  CALL        __utac_acc__Specification3_spec__1()
        VAL         [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2]
[L870]              int tmp ;
[L871]              int tmp___0 ;
[L872]              int tmp___1 ;
        VAL         [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2]
[L876]  CALL, EXPR  isMethaneLevelCritical()
        VAL         [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2]
[L452]              int retValue_acc ;
[L455]              retValue_acc = methaneLevelCritical
[L456]              return (retValue_acc);
        VAL         [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2]
[L876]  RET, EXPR   isMethaneLevelCritical()
        VAL         [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2]
[L876]              tmp = isMethaneLevelCritical()
[L878]  COND FALSE  !(\read(tmp))
        VAL         [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, waterLevel=2]
[L882]  CALL, EXPR  getWaterLevel()
        VAL         [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2]
[L484]              int retValue_acc ;
[L487]              retValue_acc = waterLevel
[L488]              return (retValue_acc);
        VAL         [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, \result=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=2, systemActive=1, waterLevel=2]
[L882]  RET, EXPR   getWaterLevel()
        VAL         [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, getWaterLevel()=2, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, waterLevel=2]
[L882]              tmp___0 = getWaterLevel()
[L884]  COND TRUE   tmp___0 == 2
        VAL         [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, tmp___0=2, waterLevel=2]
[L886]  CALL, EXPR  isPumpRunning()
        VAL         [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2]
[L671]              int retValue_acc ;
[L674]              retValue_acc = pumpRunning
[L675]              return (retValue_acc);
        VAL         [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2]
[L886]  RET, EXPR   isPumpRunning()
        VAL         [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isPumpRunning()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, tmp___0=2, waterLevel=2]
[L886]              tmp___1 = isPumpRunning()
[L888]  COND FALSE  !(\read(tmp___1))
        VAL         [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, tmp___0=2, tmp___1=0, waterLevel=2]
[L892]  CALL        __automaton_fail()
        VAL         [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2]
[L506]              __VERIFIER_error()
        VAL         [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2]

  - StatisticsResult: Ultimate Automizer benchmark data
    CFG has 24 procedures, 123 locations, 1 error locations. UNSAFE Result, 1.0s OverallTime, 5 OverallIterations, 1 TraceHistogramMax, 0.3s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 490 SDtfs, 241 SDslu, 761 SDs, 0 SdLazy, 170 SolverSat, 46 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 28 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=165occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 2 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 296 NumberOfCodeBlocks, 296 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 223 ConstructedInterpolants, 0 QuantifiedInterpolants, 20977 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available
RESULT: Ultimate proved your program to be incorrect!
Received shutdown request...