./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product25_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_d4f58f62-d9a6-4b48-a091-fad9c131dcc0/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_d4f58f62-d9a6-4b48-a091-fad9c131dcc0/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_d4f58f62-d9a6-4b48-a091-fad9c131dcc0/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_d4f58f62-d9a6-4b48-a091-fad9c131dcc0/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product25_false-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_d4f58f62-d9a6-4b48-a091-fad9c131dcc0/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_d4f58f62-d9a6-4b48-a091-fad9c131dcc0/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 87372a1a98819a475f7685500d732b7a3f8e7449
......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................
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
[2018-12-08 23:58:49,817 INFO  L170        SettingsManager]: Resetting all preferences to default values...
[2018-12-08 23:58:49,818 INFO  L174        SettingsManager]: Resetting UltimateCore preferences to default values
[2018-12-08 23:58:49,826 INFO  L177        SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2018-12-08 23:58:49,826 INFO  L174        SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2018-12-08 23:58:49,827 INFO  L174        SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2018-12-08 23:58:49,828 INFO  L174        SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2018-12-08 23:58:49,829 INFO  L174        SettingsManager]: Resetting LassoRanker preferences to default values
[2018-12-08 23:58:49,830 INFO  L174        SettingsManager]: Resetting Reaching Definitions preferences to default values
[2018-12-08 23:58:49,831 INFO  L174        SettingsManager]: Resetting SyntaxChecker preferences to default values
[2018-12-08 23:58:49,831 INFO  L177        SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2018-12-08 23:58:49,832 INFO  L174        SettingsManager]: Resetting LTL2Aut preferences to default values
[2018-12-08 23:58:49,832 INFO  L174        SettingsManager]: Resetting PEA to Boogie preferences to default values
[2018-12-08 23:58:49,833 INFO  L174        SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2018-12-08 23:58:49,834 INFO  L174        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2018-12-08 23:58:49,834 INFO  L174        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2018-12-08 23:58:49,834 INFO  L174        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2018-12-08 23:58:49,835 INFO  L174        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2018-12-08 23:58:49,837 INFO  L174        SettingsManager]: Resetting CodeCheck preferences to default values
[2018-12-08 23:58:49,838 INFO  L174        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2018-12-08 23:58:49,838 INFO  L174        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2018-12-08 23:58:49,839 INFO  L174        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2018-12-08 23:58:49,840 INFO  L177        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2018-12-08 23:58:49,840 INFO  L177        SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2018-12-08 23:58:49,840 INFO  L174        SettingsManager]: Resetting TreeAutomizer preferences to default values
[2018-12-08 23:58:49,841 INFO  L174        SettingsManager]: Resetting IcfgTransformer preferences to default values
[2018-12-08 23:58:49,841 INFO  L174        SettingsManager]: Resetting Boogie Printer preferences to default values
[2018-12-08 23:58:49,841 INFO  L174        SettingsManager]: Resetting ReqPrinter preferences to default values
[2018-12-08 23:58:49,842 INFO  L174        SettingsManager]: Resetting Witness Printer preferences to default values
[2018-12-08 23:58:49,843 INFO  L177        SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2018-12-08 23:58:49,843 INFO  L174        SettingsManager]: Resetting CDTParser preferences to default values
[2018-12-08 23:58:49,843 INFO  L177        SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2018-12-08 23:58:49,843 INFO  L177        SettingsManager]: ReqParser provides no preferences, ignoring...
[2018-12-08 23:58:49,844 INFO  L174        SettingsManager]: Resetting SmtParser preferences to default values
[2018-12-08 23:58:49,844 INFO  L174        SettingsManager]: Resetting Witness Parser preferences to default values
[2018-12-08 23:58:49,845 INFO  L181        SettingsManager]: Finished resetting all preferences to default values...
[2018-12-08 23:58:49,845 INFO  L98         SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_d4f58f62-d9a6-4b48-a091-fad9c131dcc0/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf
[2018-12-08 23:58:49,852 INFO  L110        SettingsManager]: Loading preferences was successful
[2018-12-08 23:58:49,852 INFO  L112        SettingsManager]: Preferences different from defaults after loading the file:
[2018-12-08 23:58:49,853 INFO  L131        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2018-12-08 23:58:49,853 INFO  L133        SettingsManager]:  * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS
[2018-12-08 23:58:49,853 INFO  L133        SettingsManager]:  * User list type=DISABLED
[2018-12-08 23:58:49,853 INFO  L131        SettingsManager]: Preferences of Abstract Interpretation differ from their defaults:
[2018-12-08 23:58:49,853 INFO  L133        SettingsManager]:  * Explicit value domain=true
[2018-12-08 23:58:49,853 INFO  L133        SettingsManager]:  * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain
[2018-12-08 23:58:49,853 INFO  L133        SettingsManager]:  * Octagon Domain=false
[2018-12-08 23:58:49,853 INFO  L133        SettingsManager]:  * Abstract domain=CompoundDomain
[2018-12-08 23:58:49,853 INFO  L133        SettingsManager]:  * Check feasibility of abstract posts with an SMT solver=true
[2018-12-08 23:58:49,853 INFO  L133        SettingsManager]:  * Use the RCFG-of-the-future interface=true
[2018-12-08 23:58:49,854 INFO  L133        SettingsManager]:  * Interval Domain=false
[2018-12-08 23:58:49,854 INFO  L131        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2018-12-08 23:58:49,854 INFO  L133        SettingsManager]:  * sizeof long=4
[2018-12-08 23:58:49,854 INFO  L133        SettingsManager]:  * Overapproximate operations on floating types=true
[2018-12-08 23:58:49,854 INFO  L133        SettingsManager]:  * sizeof POINTER=4
[2018-12-08 23:58:49,855 INFO  L133        SettingsManager]:  * Check division by zero=IGNORE
[2018-12-08 23:58:49,855 INFO  L133        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2018-12-08 23:58:49,855 INFO  L133        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2018-12-08 23:58:49,855 INFO  L133        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2018-12-08 23:58:49,855 INFO  L133        SettingsManager]:  * sizeof long double=12
[2018-12-08 23:58:49,855 INFO  L133        SettingsManager]:  * Check if freed pointer was valid=false
[2018-12-08 23:58:49,855 INFO  L133        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2018-12-08 23:58:49,856 INFO  L131        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2018-12-08 23:58:49,856 INFO  L133        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2018-12-08 23:58:49,856 INFO  L133        SettingsManager]:  * To the following directory=./dump/
[2018-12-08 23:58:49,856 INFO  L133        SettingsManager]:  * SMT solver=External_DefaultMode
[2018-12-08 23:58:49,856 INFO  L133        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2018-12-08 23:58:49,856 INFO  L131        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2018-12-08 23:58:49,857 INFO  L133        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2018-12-08 23:58:49,857 INFO  L133        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2018-12-08 23:58:49,857 INFO  L133        SettingsManager]:  * Trace refinement strategy=TAIPAN
[2018-12-08 23:58:49,857 INFO  L133        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2018-12-08 23:58:49,857 INFO  L133        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2018-12-08 23:58:49,857 INFO  L133        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2018-12-08 23:58:49,857 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_d4f58f62-d9a6-4b48-a091-fad9c131dcc0/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 -> 87372a1a98819a475f7685500d732b7a3f8e7449
[2018-12-08 23:58:49,879 INFO  L81    nceAwareModelManager]: Repository-Root is: /tmp
[2018-12-08 23:58:49,886 INFO  L258   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2018-12-08 23:58:49,887 INFO  L214   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2018-12-08 23:58:49,888 INFO  L271        PluginConnector]: Initializing CDTParser...
[2018-12-08 23:58:49,889 INFO  L276        PluginConnector]: CDTParser initialized
[2018-12-08 23:58:49,889 INFO  L418   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_d4f58f62-d9a6-4b48-a091-fad9c131dcc0/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec3_product25_false-unreach-call_false-termination.cil.c
[2018-12-08 23:58:49,924 INFO  L221              CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_d4f58f62-d9a6-4b48-a091-fad9c131dcc0/bin-2019/utaipan/data/e3ca75d9b/03d92750b71046829a224c7aaa2b5949/FLAGee5022ee9
[2018-12-08 23:58:50,340 INFO  L307              CDTParser]: Found 1 translation units.
[2018-12-08 23:58:50,341 INFO  L161              CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_d4f58f62-d9a6-4b48-a091-fad9c131dcc0/sv-benchmarks/c/product-lines/minepump_spec3_product25_false-unreach-call_false-termination.cil.c
[2018-12-08 23:58:50,347 INFO  L355              CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_d4f58f62-d9a6-4b48-a091-fad9c131dcc0/bin-2019/utaipan/data/e3ca75d9b/03d92750b71046829a224c7aaa2b5949/FLAGee5022ee9
[2018-12-08 23:58:50,355 INFO  L363              CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_d4f58f62-d9a6-4b48-a091-fad9c131dcc0/bin-2019/utaipan/data/e3ca75d9b/03d92750b71046829a224c7aaa2b5949
[2018-12-08 23:58:50,357 INFO  L296   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2018-12-08 23:58:50,358 INFO  L131        ToolchainWalker]: Walking toolchain with 6 elements.
[2018-12-08 23:58:50,358 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2018-12-08 23:58:50,358 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2018-12-08 23:58:50,360 INFO  L276        PluginConnector]: CACSL2BoogieTranslator initialized
[2018-12-08 23:58:50,361 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 11:58:50" (1/1) ...
[2018-12-08 23:58:50,362 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5cc82c98 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:58:50, skipping insertion in model container
[2018-12-08 23:58:50,363 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 11:58:50" (1/1) ...
[2018-12-08 23:58:50,367 INFO  L145         MainTranslator]: Starting translation in SV-COMP mode 
[2018-12-08 23:58:50,387 INFO  L176         MainTranslator]: Built tables and reachable declarations
[2018-12-08 23:58:50,529 INFO  L203          PostProcessor]: Analyzing one entry point: main
[2018-12-08 23:58:50,566 INFO  L191         MainTranslator]: Completed pre-run
[2018-12-08 23:58:50,605 INFO  L203          PostProcessor]: Analyzing one entry point: main
[2018-12-08 23:58:50,619 INFO  L195         MainTranslator]: Completed translation
[2018-12-08 23:58:50,619 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:58:50 WrapperNode
[2018-12-08 23:58:50,619 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2018-12-08 23:58:50,619 INFO  L113        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2018-12-08 23:58:50,620 INFO  L271        PluginConnector]: Initializing Boogie Procedure Inliner...
[2018-12-08 23:58:50,620 INFO  L276        PluginConnector]: Boogie Procedure Inliner initialized
[2018-12-08 23:58:50,625 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:58:50" (1/1) ...
[2018-12-08 23:58:50,633 INFO  L185        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:58:50" (1/1) ...
[2018-12-08 23:58:50,638 INFO  L132        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2018-12-08 23:58:50,639 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2018-12-08 23:58:50,639 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2018-12-08 23:58:50,639 INFO  L276        PluginConnector]: Boogie Preprocessor initialized
[2018-12-08 23:58:50,645 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:58:50" (1/1) ...
[2018-12-08 23:58:50,645 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:58:50" (1/1) ...
[2018-12-08 23:58:50,647 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:58:50" (1/1) ...
[2018-12-08 23:58:50,647 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:58:50" (1/1) ...
[2018-12-08 23:58:50,653 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:58:50" (1/1) ...
[2018-12-08 23:58:50,657 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:58:50" (1/1) ...
[2018-12-08 23:58:50,659 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:58:50" (1/1) ...
[2018-12-08 23:58:50,660 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2018-12-08 23:58:50,661 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2018-12-08 23:58:50,661 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2018-12-08 23:58:50,661 INFO  L276        PluginConnector]: RCFGBuilder initialized
[2018-12-08 23:58:50,662 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:58:50" (1/1) ...
No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d4f58f62-d9a6-4b48-a091-fad9c131dcc0/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
[2018-12-08 23:58:50,693 INFO  L130     BoogieDeclarations]: Found specification of procedure valid_product
[2018-12-08 23:58:50,693 INFO  L138     BoogieDeclarations]: Found implementation of procedure valid_product
[2018-12-08 23:58:50,693 INFO  L130     BoogieDeclarations]: Found specification of procedure main
[2018-12-08 23:58:50,694 INFO  L138     BoogieDeclarations]: Found implementation of procedure main
[2018-12-08 23:58:50,694 INFO  L130     BoogieDeclarations]: Found specification of procedure isLowWaterLevel
[2018-12-08 23:58:50,694 INFO  L138     BoogieDeclarations]: Found implementation of procedure isLowWaterLevel
[2018-12-08 23:58:50,694 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.alloc
[2018-12-08 23:58:50,694 INFO  L130     BoogieDeclarations]: Found specification of procedure select_features
[2018-12-08 23:58:50,694 INFO  L138     BoogieDeclarations]: Found implementation of procedure select_features
[2018-12-08 23:58:50,694 INFO  L130     BoogieDeclarations]: Found specification of procedure processEnvironment
[2018-12-08 23:58:50,694 INFO  L138     BoogieDeclarations]: Found implementation of procedure processEnvironment
[2018-12-08 23:58:50,694 INFO  L130     BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base
[2018-12-08 23:58:50,694 INFO  L138     BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base
[2018-12-08 23:58:50,694 INFO  L130     BoogieDeclarations]: Found specification of procedure test
[2018-12-08 23:58:50,694 INFO  L138     BoogieDeclarations]: Found implementation of procedure test
[2018-12-08 23:58:50,694 INFO  L130     BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry
[2018-12-08 23:58:50,694 INFO  L138     BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry
[2018-12-08 23:58:50,695 INFO  L130     BoogieDeclarations]: Found specification of procedure getWaterLevel
[2018-12-08 23:58:50,695 INFO  L138     BoogieDeclarations]: Found implementation of procedure getWaterLevel
[2018-12-08 23:58:50,695 INFO  L130     BoogieDeclarations]: Found specification of procedure timeShift
[2018-12-08 23:58:50,695 INFO  L138     BoogieDeclarations]: Found implementation of procedure timeShift
[2018-12-08 23:58:50,695 INFO  L130     BoogieDeclarations]: Found specification of procedure cleanup
[2018-12-08 23:58:50,695 INFO  L138     BoogieDeclarations]: Found implementation of procedure cleanup
[2018-12-08 23:58:50,695 INFO  L130     BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical
[2018-12-08 23:58:50,695 INFO  L138     BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical
[2018-12-08 23:58:50,695 INFO  L130     BoogieDeclarations]: Found specification of procedure lowerWaterLevel
[2018-12-08 23:58:50,695 INFO  L138     BoogieDeclarations]: Found implementation of procedure lowerWaterLevel
[2018-12-08 23:58:50,695 INFO  L130     BoogieDeclarations]: Found specification of procedure waterRise
[2018-12-08 23:58:50,695 INFO  L138     BoogieDeclarations]: Found implementation of procedure waterRise
[2018-12-08 23:58:50,695 INFO  L130     BoogieDeclarations]: Found specification of procedure __automaton_fail
[2018-12-08 23:58:50,695 INFO  L138     BoogieDeclarations]: Found implementation of procedure __automaton_fail
[2018-12-08 23:58:50,695 INFO  L130     BoogieDeclarations]: Found specification of procedure select_helpers
[2018-12-08 23:58:50,696 INFO  L138     BoogieDeclarations]: Found implementation of procedure select_helpers
[2018-12-08 23:58:50,696 INFO  L130     BoogieDeclarations]: Found specification of procedure isPumpRunning
[2018-12-08 23:58:50,696 INFO  L138     BoogieDeclarations]: Found implementation of procedure isPumpRunning
[2018-12-08 23:58:50,696 INFO  L130     BoogieDeclarations]: Found specification of procedure runTest
[2018-12-08 23:58:50,696 INFO  L138     BoogieDeclarations]: Found implementation of procedure runTest
[2018-12-08 23:58:50,696 INFO  L130     BoogieDeclarations]: Found specification of procedure deactivatePump
[2018-12-08 23:58:50,696 INFO  L138     BoogieDeclarations]: Found implementation of procedure deactivatePump
[2018-12-08 23:58:50,696 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int
[2018-12-08 23:58:50,696 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2018-12-08 23:58:50,696 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2018-12-08 23:58:50,696 INFO  L130     BoogieDeclarations]: Found specification of procedure changeMethaneLevel
[2018-12-08 23:58:50,696 INFO  L138     BoogieDeclarations]: Found implementation of procedure changeMethaneLevel
[2018-12-08 23:58:50,696 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1
[2018-12-08 23:58:50,696 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1
[2018-12-08 23:58:50,697 INFO  L130     BoogieDeclarations]: Found specification of procedure setup
[2018-12-08 23:58:50,697 INFO  L138     BoogieDeclarations]: Found implementation of procedure setup
[2018-12-08 23:58:50,697 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2018-12-08 23:58:50,697 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2018-12-08 23:58:50,961 INFO  L275             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2018-12-08 23:58:50,961 INFO  L280             CfgBuilder]: Removed 2 assue(true) statements.
[2018-12-08 23:58:50,961 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 11:58:50 BoogieIcfgContainer
[2018-12-08 23:58:50,961 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2018-12-08 23:58:50,962 INFO  L113        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2018-12-08 23:58:50,962 INFO  L271        PluginConnector]: Initializing TraceAbstraction...
[2018-12-08 23:58:50,964 INFO  L276        PluginConnector]: TraceAbstraction initialized
[2018-12-08 23:58:50,964 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.12 11:58:50" (1/3) ...
[2018-12-08 23:58:50,964 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62bce911 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.12 11:58:50, skipping insertion in model container
[2018-12-08 23:58:50,964 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:58:50" (2/3) ...
[2018-12-08 23:58:50,965 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62bce911 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.12 11:58:50, skipping insertion in model container
[2018-12-08 23:58:50,965 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 11:58:50" (3/3) ...
[2018-12-08 23:58:50,966 INFO  L112   eAbstractionObserver]: Analyzing ICFG minepump_spec3_product25_false-unreach-call_false-termination.cil.c
[2018-12-08 23:58:50,972 INFO  L156   ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2018-12-08 23:58:50,977 INFO  L168   ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations.
[2018-12-08 23:58:50,986 INFO  L257      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2018-12-08 23:58:51,005 INFO  L382      AbstractCegarLoop]: Interprodecural is true
[2018-12-08 23:58:51,005 INFO  L383      AbstractCegarLoop]: Hoare is true
[2018-12-08 23:58:51,005 INFO  L384      AbstractCegarLoop]: Compute interpolants for FPandBP
[2018-12-08 23:58:51,005 INFO  L385      AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2018-12-08 23:58:51,005 INFO  L386      AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2018-12-08 23:58:51,005 INFO  L387      AbstractCegarLoop]: Difference is false
[2018-12-08 23:58:51,005 INFO  L388      AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2018-12-08 23:58:51,006 INFO  L393      AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2018-12-08 23:58:51,019 INFO  L276                IsEmpty]: Start isEmpty. Operand 123 states.
[2018-12-08 23:58:51,025 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 53
[2018-12-08 23:58:51,025 INFO  L394         BasicCegarLoop]: Found error trace
[2018-12-08 23:58:51,025 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]
[2018-12-08 23:58:51,027 INFO  L423      AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2018-12-08 23:58:51,030 INFO  L141       PredicateUnifier]: Initialized classic predicate unifier
[2018-12-08 23:58:51,031 INFO  L82        PathProgramCache]: Analyzing trace with hash -1067827850, now seen corresponding path program 1 times
[2018-12-08 23:58:51,032 INFO  L69    tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy
[2018-12-08 23:58:51,061 INFO  L119   rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2018-12-08 23:58:51,062 INFO  L103   rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2018-12-08 23:58:51,062 INFO  L119   rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2018-12-08 23:58:51,062 INFO  L286   anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation)
[2018-12-08 23:58:51,143 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-12-08 23:58:51,210 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2018-12-08 23:58:51,211 INFO  L312   seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2018-12-08 23:58:51,212 INFO  L327   seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2018-12-08 23:58:51,212 INFO  L256   anRefinementStrategy]: Using the first perfect interpolant sequence
[2018-12-08 23:58:51,215 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 2 states
[2018-12-08 23:58:51,223 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2018-12-08 23:58:51,223 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2018-12-08 23:58:51,225 INFO  L87              Difference]: Start difference. First operand 123 states. Second operand 2 states.
[2018-12-08 23:58:51,251 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2018-12-08 23:58:51,251 INFO  L93              Difference]: Finished difference Result 220 states and 273 transitions.
[2018-12-08 23:58:51,251 INFO  L142   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2018-12-08 23:58:51,252 INFO  L78                 Accepts]: Start accepts. Automaton has 2 states. Word has length 52
[2018-12-08 23:58:51,252 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2018-12-08 23:58:51,258 INFO  L225             Difference]: With dead ends: 220
[2018-12-08 23:58:51,259 INFO  L226             Difference]: Without dead ends: 110
[2018-12-08 23:58:51,261 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
[2018-12-08 23:58:51,271 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 110 states.
[2018-12-08 23:58:51,288 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 110.
[2018-12-08 23:58:51,289 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 110 states.
[2018-12-08 23:58:51,290 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 128 transitions.
[2018-12-08 23:58:51,291 INFO  L78                 Accepts]: Start accepts. Automaton has 110 states and 128 transitions. Word has length 52
[2018-12-08 23:58:51,292 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2018-12-08 23:58:51,292 INFO  L480      AbstractCegarLoop]: Abstraction has 110 states and 128 transitions.
[2018-12-08 23:58:51,292 INFO  L481      AbstractCegarLoop]: Interpolant automaton has 2 states.
[2018-12-08 23:58:51,292 INFO  L276                IsEmpty]: Start isEmpty. Operand 110 states and 128 transitions.
[2018-12-08 23:58:51,293 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 54
[2018-12-08 23:58:51,293 INFO  L394         BasicCegarLoop]: Found error trace
[2018-12-08 23:58:51,294 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]
[2018-12-08 23:58:51,294 INFO  L423      AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2018-12-08 23:58:51,294 INFO  L141       PredicateUnifier]: Initialized classic predicate unifier
[2018-12-08 23:58:51,294 INFO  L82        PathProgramCache]: Analyzing trace with hash 1279822749, now seen corresponding path program 1 times
[2018-12-08 23:58:51,294 INFO  L69    tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy
[2018-12-08 23:58:51,295 INFO  L119   rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2018-12-08 23:58:51,295 INFO  L103   rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2018-12-08 23:58:51,295 INFO  L119   rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2018-12-08 23:58:51,295 INFO  L286   anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation)
[2018-12-08 23:58:51,317 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-12-08 23:58:51,359 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2018-12-08 23:58:51,360 INFO  L312   seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2018-12-08 23:58:51,360 INFO  L327   seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2018-12-08 23:58:51,360 INFO  L256   anRefinementStrategy]: Using the first perfect interpolant sequence
[2018-12-08 23:58:51,361 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 3 states
[2018-12-08 23:58:51,362 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2018-12-08 23:58:51,362 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2018-12-08 23:58:51,362 INFO  L87              Difference]: Start difference. First operand 110 states and 128 transitions. Second operand 3 states.
[2018-12-08 23:58:51,381 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2018-12-08 23:58:51,381 INFO  L93              Difference]: Finished difference Result 169 states and 195 transitions.
[2018-12-08 23:58:51,382 INFO  L142   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2018-12-08 23:58:51,382 INFO  L78                 Accepts]: Start accepts. Automaton has 3 states. Word has length 53
[2018-12-08 23:58:51,382 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2018-12-08 23:58:51,383 INFO  L225             Difference]: With dead ends: 169
[2018-12-08 23:58:51,383 INFO  L226             Difference]: Without dead ends: 101
[2018-12-08 23:58:51,384 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
[2018-12-08 23:58:51,385 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 101 states.
[2018-12-08 23:58:51,392 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 101.
[2018-12-08 23:58:51,392 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 101 states.
[2018-12-08 23:58:51,393 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 116 transitions.
[2018-12-08 23:58:51,393 INFO  L78                 Accepts]: Start accepts. Automaton has 101 states and 116 transitions. Word has length 53
[2018-12-08 23:58:51,393 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2018-12-08 23:58:51,393 INFO  L480      AbstractCegarLoop]: Abstraction has 101 states and 116 transitions.
[2018-12-08 23:58:51,393 INFO  L481      AbstractCegarLoop]: Interpolant automaton has 3 states.
[2018-12-08 23:58:51,393 INFO  L276                IsEmpty]: Start isEmpty. Operand 101 states and 116 transitions.
[2018-12-08 23:58:51,394 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 58
[2018-12-08 23:58:51,394 INFO  L394         BasicCegarLoop]: Found error trace
[2018-12-08 23:58:51,394 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]
[2018-12-08 23:58:51,394 INFO  L423      AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2018-12-08 23:58:51,394 INFO  L141       PredicateUnifier]: Initialized classic predicate unifier
[2018-12-08 23:58:51,395 INFO  L82        PathProgramCache]: Analyzing trace with hash -397787233, now seen corresponding path program 1 times
[2018-12-08 23:58:51,395 INFO  L69    tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy
[2018-12-08 23:58:51,395 INFO  L119   rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2018-12-08 23:58:51,395 INFO  L103   rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2018-12-08 23:58:51,395 INFO  L119   rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2018-12-08 23:58:51,395 INFO  L286   anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation)
[2018-12-08 23:58:51,413 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-12-08 23:58:51,485 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2018-12-08 23:58:51,485 INFO  L312   seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2018-12-08 23:58:51,486 INFO  L327   seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7
[2018-12-08 23:58:51,486 INFO  L256   anRefinementStrategy]: Using the first perfect interpolant sequence
[2018-12-08 23:58:51,486 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 7 states
[2018-12-08 23:58:51,486 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2018-12-08 23:58:51,487 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42
[2018-12-08 23:58:51,487 INFO  L87              Difference]: Start difference. First operand 101 states and 116 transitions. Second operand 7 states.
[2018-12-08 23:58:51,645 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2018-12-08 23:58:51,645 INFO  L93              Difference]: Finished difference Result 178 states and 209 transitions.
[2018-12-08 23:58:51,645 INFO  L142   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2018-12-08 23:58:51,646 INFO  L78                 Accepts]: Start accepts. Automaton has 7 states. Word has length 57
[2018-12-08 23:58:51,646 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2018-12-08 23:58:51,647 INFO  L225             Difference]: With dead ends: 178
[2018-12-08 23:58:51,647 INFO  L226             Difference]: Without dead ends: 101
[2018-12-08 23:58:51,648 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
[2018-12-08 23:58:51,648 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 101 states.
[2018-12-08 23:58:51,654 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 101.
[2018-12-08 23:58:51,655 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 101 states.
[2018-12-08 23:58:51,655 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 115 transitions.
[2018-12-08 23:58:51,656 INFO  L78                 Accepts]: Start accepts. Automaton has 101 states and 115 transitions. Word has length 57
[2018-12-08 23:58:51,656 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2018-12-08 23:58:51,656 INFO  L480      AbstractCegarLoop]: Abstraction has 101 states and 115 transitions.
[2018-12-08 23:58:51,656 INFO  L481      AbstractCegarLoop]: Interpolant automaton has 7 states.
[2018-12-08 23:58:51,656 INFO  L276                IsEmpty]: Start isEmpty. Operand 101 states and 115 transitions.
[2018-12-08 23:58:51,657 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 66
[2018-12-08 23:58:51,658 INFO  L394         BasicCegarLoop]: Found error trace
[2018-12-08 23:58:51,658 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]
[2018-12-08 23:58:51,658 INFO  L423      AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2018-12-08 23:58:51,658 INFO  L141       PredicateUnifier]: Initialized classic predicate unifier
[2018-12-08 23:58:51,658 INFO  L82        PathProgramCache]: Analyzing trace with hash 1270647952, now seen corresponding path program 1 times
[2018-12-08 23:58:51,658 INFO  L69    tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy
[2018-12-08 23:58:51,659 INFO  L119   rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2018-12-08 23:58:51,659 INFO  L103   rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2018-12-08 23:58:51,659 INFO  L119   rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2018-12-08 23:58:51,660 INFO  L286   anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation)
[2018-12-08 23:58:51,679 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-12-08 23:58:51,721 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2018-12-08 23:58:51,721 INFO  L312   seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2018-12-08 23:58:51,721 INFO  L327   seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2018-12-08 23:58:51,721 INFO  L256   anRefinementStrategy]: Using the first perfect interpolant sequence
[2018-12-08 23:58:51,722 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 6 states
[2018-12-08 23:58:51,722 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2018-12-08 23:58:51,722 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2018-12-08 23:58:51,722 INFO  L87              Difference]: Start difference. First operand 101 states and 115 transitions. Second operand 6 states.
[2018-12-08 23:58:51,839 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2018-12-08 23:58:51,839 INFO  L93              Difference]: Finished difference Result 244 states and 293 transitions.
[2018-12-08 23:58:51,840 INFO  L142   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2018-12-08 23:58:51,840 INFO  L78                 Accepts]: Start accepts. Automaton has 6 states. Word has length 65
[2018-12-08 23:58:51,840 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2018-12-08 23:58:51,842 INFO  L225             Difference]: With dead ends: 244
[2018-12-08 23:58:51,842 INFO  L226             Difference]: Without dead ends: 167
[2018-12-08 23:58:51,843 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
[2018-12-08 23:58:51,843 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 167 states.
[2018-12-08 23:58:51,858 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 167 to 165.
[2018-12-08 23:58:51,858 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 165 states.
[2018-12-08 23:58:51,859 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 165 states and 193 transitions.
[2018-12-08 23:58:51,859 INFO  L78                 Accepts]: Start accepts. Automaton has 165 states and 193 transitions. Word has length 65
[2018-12-08 23:58:51,860 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2018-12-08 23:58:51,860 INFO  L480      AbstractCegarLoop]: Abstraction has 165 states and 193 transitions.
[2018-12-08 23:58:51,860 INFO  L481      AbstractCegarLoop]: Interpolant automaton has 6 states.
[2018-12-08 23:58:51,860 INFO  L276                IsEmpty]: Start isEmpty. Operand 165 states and 193 transitions.
[2018-12-08 23:58:51,861 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 70
[2018-12-08 23:58:51,862 INFO  L394         BasicCegarLoop]: Found error trace
[2018-12-08 23:58:51,862 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]
[2018-12-08 23:58:51,862 INFO  L423      AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2018-12-08 23:58:51,862 INFO  L141       PredicateUnifier]: Initialized classic predicate unifier
[2018-12-08 23:58:51,862 INFO  L82        PathProgramCache]: Analyzing trace with hash -446329770, now seen corresponding path program 1 times
[2018-12-08 23:58:51,862 INFO  L69    tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy
[2018-12-08 23:58:51,863 INFO  L119   rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2018-12-08 23:58:51,863 INFO  L103   rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2018-12-08 23:58:51,863 INFO  L119   rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2018-12-08 23:58:51,863 INFO  L286   anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation)
[2018-12-08 23:58:51,891 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2018-12-08 23:58:51,918 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2018-12-08 23:58:51,959 INFO  L469         BasicCegarLoop]: Counterexample might be feasible
[2018-12-08 23:58:52,022 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.12 11:58:52 BoogieIcfgContainer
[2018-12-08 23:58:52,022 INFO  L132        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2018-12-08 23:58:52,022 INFO  L113        PluginConnector]: ------------------------Witness Printer----------------------------
[2018-12-08 23:58:52,022 INFO  L271        PluginConnector]: Initializing Witness Printer...
[2018-12-08 23:58:52,022 INFO  L276        PluginConnector]: Witness Printer initialized
[2018-12-08 23:58:52,023 INFO  L185        PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 11:58:50" (3/4) ...
[2018-12-08 23:58:52,024 INFO  L138         WitnessPrinter]: Generating witness for reachability counterexample
[2018-12-08 23:58:52,086 INFO  L145         WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_d4f58f62-d9a6-4b48-a091-fad9c131dcc0/bin-2019/utaipan/witness.graphml
[2018-12-08 23:58:52,086 INFO  L132        PluginConnector]: ------------------------ END Witness Printer----------------------------
[2018-12-08 23:58:52,087 INFO  L168              Benchmark]: Toolchain (without parser) took 1729.28 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 124.3 MB). Free memory was 947.0 MB in the beginning and 846.0 MB in the end (delta: 101.0 MB). Peak memory consumption was 225.3 MB. Max. memory is 11.5 GB.
[2018-12-08 23:58:52,087 INFO  L168              Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 976.0 MB. There was no memory consumed. Max. memory is 11.5 GB.
[2018-12-08 23:58:52,087 INFO  L168              Benchmark]: CACSL2BoogieTranslator took 260.87 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 124.3 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -164.8 MB). Peak memory consumption was 27.4 MB. Max. memory is 11.5 GB.
[2018-12-08 23:58:52,088 INFO  L168              Benchmark]: Boogie Procedure Inliner took 19.09 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB.
[2018-12-08 23:58:52,088 INFO  L168              Benchmark]: Boogie Preprocessor took 21.82 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB.
[2018-12-08 23:58:52,088 INFO  L168              Benchmark]: RCFGBuilder took 300.47 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 52.7 MB). Peak memory consumption was 52.7 MB. Max. memory is 11.5 GB.
[2018-12-08 23:58:52,088 INFO  L168              Benchmark]: TraceAbstraction took 1060.22 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 870.1 MB in the end (delta: 185.6 MB). Peak memory consumption was 185.6 MB. Max. memory is 11.5 GB.
[2018-12-08 23:58:52,088 INFO  L168              Benchmark]: Witness Printer took 64.02 ms. Allocated memory is still 1.2 GB. Free memory was 870.1 MB in the beginning and 846.0 MB in the end (delta: 24.0 MB). Peak memory consumption was 24.0 MB. Max. memory is 11.5 GB.
[2018-12-08 23:58:52,090 INFO  L336   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 976.0 MB. There was no memory consumed. Max. memory is 11.5 GB.
 * CACSL2BoogieTranslator took 260.87 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 124.3 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -164.8 MB). Peak memory consumption was 27.4 MB. Max. memory is 11.5 GB.
 * Boogie Procedure Inliner took 19.09 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB.
 * Boogie Preprocessor took 21.82 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB.
 * RCFGBuilder took 300.47 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 52.7 MB). Peak memory consumption was 52.7 MB. Max. memory is 11.5 GB.
 * TraceAbstraction took 1060.22 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 870.1 MB in the end (delta: 185.6 MB). Peak memory consumption was 185.6 MB. Max. memory is 11.5 GB.
 * Witness Printer took 64.02 ms. Allocated memory is still 1.2 GB. Free memory was 870.1 MB in the beginning and 846.0 MB in the end (delta: 24.0 MB). Peak memory consumption was 24.0 MB. Max. memory is 11.5 GB.
 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
  - CounterExampleResult [Line: 82]: a call of __VERIFIER_error() is reachable
    a call of __VERIFIER_error() is reachable
We found a FailurePath: 
[L256]              static struct __ACC__ERR *head  =    (struct __ACC__ERR *)0;
[L458]              int waterLevel  =    1;
[L459]              int methaneLevelCritical  =    0;
[L585]              int cleanupTimeShifts  =    4;
[L686]              int pumpRunning  =    0;
[L687]              int systemActive  =    1;
[L661]              int retValue_acc ;
[L662]              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]
[L666]  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]
[L667]  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]
[L668]  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]
[L576]              int retValue_acc ;
[L579]              retValue_acc = 1
[L580]              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]
[L668]  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]
[L668]              tmp = valid_product()
[L670]  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]
[L672]  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]
[L673]  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]
[L655]  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]
[L857]              int splverifierCounter ;
[L858]              int tmp ;
[L859]              int tmp___0 ;
[L860]              int tmp___1 ;
[L861]              int tmp___2 ;
[L864]              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]
[L866]  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]
[L868]  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]
[L874]              tmp = __VERIFIER_nondet_int()
[L876]  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]
[L878]  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]
[L476]  COND TRUE   waterLevel < 2
[L477]              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]
[L878]  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]
[L884]              tmp___0 = __VERIFIER_nondet_int()
[L886]  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]
[L894]              tmp___2 = __VERIFIER_nondet_int()
[L896]  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]
[L909]  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]
[L693]  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]
[L700]  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]
[L702]  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]
[L722]              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]
[L725]  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]
[L740]  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]
[L702]  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]
[L708]  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]
[L45]               int tmp ;
[L46]               int tmp___0 ;
[L47]               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]
[L51]   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]
[L497]              int retValue_acc ;
[L500]              retValue_acc = methaneLevelCritical
[L501]              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]
[L51]   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]
[L51]               tmp = isMethaneLevelCritical()
[L53]   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]
[L57]   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]
[L529]              int retValue_acc ;
[L532]              retValue_acc = waterLevel
[L533]              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]
[L57]   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]
[L57]               tmp___0 = getWaterLevel()
[L59]   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]
[L61]   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]
[L792]              int retValue_acc ;
[L795]              retValue_acc = pumpRunning
[L796]              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]
[L61]   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]
[L61]               tmp___1 = isPumpRunning()
[L63]   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]
[L67]   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]
[L82]               __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, 0.0s 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, 0.2s 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...