./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product21_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit


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


Checking for ERROR reachability
Using default analysis
Version aa418289
Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_f48794b1-5996-4222-87be-b33c8b1fed3b/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_f48794b1-5996-4222-87be-b33c8b1fed3b/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_f48794b1-5996-4222-87be-b33c8b1fed3b/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_f48794b1-5996-4222-87be-b33c8b1fed3b/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product21_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_f48794b1-5996-4222-87be-b33c8b1fed3b/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_f48794b1-5996-4222-87be-b33c8b1fed3b/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 b51e4d4f6750e9cf93bd85ecf4b933ea1ea8886c
........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................
Execution finished normally
Writing output log to file Ultimate.log
Result:
TRUE
--- Real Ultimate output ---
This is Ultimate 0.1.23-aa41828
[2018-11-23 08:23:34,085 INFO  L170        SettingsManager]: Resetting all preferences to default values...
[2018-11-23 08:23:34,087 INFO  L174        SettingsManager]: Resetting UltimateCore preferences to default values
[2018-11-23 08:23:34,095 INFO  L177        SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2018-11-23 08:23:34,095 INFO  L174        SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2018-11-23 08:23:34,096 INFO  L174        SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2018-11-23 08:23:34,097 INFO  L174        SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2018-11-23 08:23:34,098 INFO  L174        SettingsManager]: Resetting LassoRanker preferences to default values
[2018-11-23 08:23:34,099 INFO  L174        SettingsManager]: Resetting Reaching Definitions preferences to default values
[2018-11-23 08:23:34,100 INFO  L174        SettingsManager]: Resetting SyntaxChecker preferences to default values
[2018-11-23 08:23:34,100 INFO  L177        SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2018-11-23 08:23:34,100 INFO  L174        SettingsManager]: Resetting LTL2Aut preferences to default values
[2018-11-23 08:23:34,101 INFO  L174        SettingsManager]: Resetting PEA to Boogie preferences to default values
[2018-11-23 08:23:34,102 INFO  L174        SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2018-11-23 08:23:34,102 INFO  L174        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2018-11-23 08:23:34,103 INFO  L174        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2018-11-23 08:23:34,104 INFO  L174        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2018-11-23 08:23:34,105 INFO  L174        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2018-11-23 08:23:34,106 INFO  L174        SettingsManager]: Resetting CodeCheck preferences to default values
[2018-11-23 08:23:34,107 INFO  L174        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2018-11-23 08:23:34,107 INFO  L174        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2018-11-23 08:23:34,108 INFO  L174        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2018-11-23 08:23:34,109 INFO  L177        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2018-11-23 08:23:34,110 INFO  L177        SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2018-11-23 08:23:34,110 INFO  L174        SettingsManager]: Resetting TreeAutomizer preferences to default values
[2018-11-23 08:23:34,110 INFO  L174        SettingsManager]: Resetting IcfgTransformer preferences to default values
[2018-11-23 08:23:34,111 INFO  L174        SettingsManager]: Resetting Boogie Printer preferences to default values
[2018-11-23 08:23:34,111 INFO  L174        SettingsManager]: Resetting ReqPrinter preferences to default values
[2018-11-23 08:23:34,112 INFO  L174        SettingsManager]: Resetting Witness Printer preferences to default values
[2018-11-23 08:23:34,112 INFO  L177        SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2018-11-23 08:23:34,113 INFO  L174        SettingsManager]: Resetting CDTParser preferences to default values
[2018-11-23 08:23:34,113 INFO  L177        SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2018-11-23 08:23:34,113 INFO  L177        SettingsManager]: ReqParser provides no preferences, ignoring...
[2018-11-23 08:23:34,113 INFO  L174        SettingsManager]: Resetting SmtParser preferences to default values
[2018-11-23 08:23:34,114 INFO  L174        SettingsManager]: Resetting Witness Parser preferences to default values
[2018-11-23 08:23:34,114 INFO  L181        SettingsManager]: Finished resetting all preferences to default values...
[2018-11-23 08:23:34,114 INFO  L98         SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_f48794b1-5996-4222-87be-b33c8b1fed3b/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf
[2018-11-23 08:23:34,124 INFO  L110        SettingsManager]: Loading preferences was successful
[2018-11-23 08:23:34,124 INFO  L112        SettingsManager]: Preferences different from defaults after loading the file:
[2018-11-23 08:23:34,125 INFO  L131        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2018-11-23 08:23:34,125 INFO  L133        SettingsManager]:  * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS
[2018-11-23 08:23:34,125 INFO  L133        SettingsManager]:  * User list type=DISABLED
[2018-11-23 08:23:34,125 INFO  L131        SettingsManager]: Preferences of Abstract Interpretation differ from their defaults:
[2018-11-23 08:23:34,125 INFO  L133        SettingsManager]:  * Explicit value domain=true
[2018-11-23 08:23:34,125 INFO  L133        SettingsManager]:  * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain
[2018-11-23 08:23:34,125 INFO  L133        SettingsManager]:  * Octagon Domain=false
[2018-11-23 08:23:34,126 INFO  L133        SettingsManager]:  * Abstract domain=CompoundDomain
[2018-11-23 08:23:34,126 INFO  L133        SettingsManager]:  * Check feasibility of abstract posts with an SMT solver=true
[2018-11-23 08:23:34,126 INFO  L133        SettingsManager]:  * Use the RCFG-of-the-future interface=true
[2018-11-23 08:23:34,126 INFO  L133        SettingsManager]:  * Interval Domain=false
[2018-11-23 08:23:34,126 INFO  L131        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2018-11-23 08:23:34,127 INFO  L133        SettingsManager]:  * sizeof long=4
[2018-11-23 08:23:34,127 INFO  L133        SettingsManager]:  * Overapproximate operations on floating types=true
[2018-11-23 08:23:34,127 INFO  L133        SettingsManager]:  * sizeof POINTER=4
[2018-11-23 08:23:34,127 INFO  L133        SettingsManager]:  * Check division by zero=IGNORE
[2018-11-23 08:23:34,127 INFO  L133        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2018-11-23 08:23:34,127 INFO  L133        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2018-11-23 08:23:34,127 INFO  L133        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2018-11-23 08:23:34,127 INFO  L133        SettingsManager]:  * sizeof long double=12
[2018-11-23 08:23:34,128 INFO  L133        SettingsManager]:  * Check if freed pointer was valid=false
[2018-11-23 08:23:34,128 INFO  L133        SettingsManager]:  * Use constant arrays=true
[2018-11-23 08:23:34,128 INFO  L133        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2018-11-23 08:23:34,128 INFO  L131        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2018-11-23 08:23:34,128 INFO  L133        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2018-11-23 08:23:34,128 INFO  L133        SettingsManager]:  * To the following directory=./dump/
[2018-11-23 08:23:34,128 INFO  L133        SettingsManager]:  * SMT solver=External_DefaultMode
[2018-11-23 08:23:34,128 INFO  L133        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2018-11-23 08:23:34,129 INFO  L131        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2018-11-23 08:23:34,129 INFO  L133        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2018-11-23 08:23:34,129 INFO  L133        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2018-11-23 08:23:34,129 INFO  L133        SettingsManager]:  * Trace refinement strategy=TAIPAN
[2018-11-23 08:23:34,129 INFO  L133        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2018-11-23 08:23:34,129 INFO  L133        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2018-11-23 08:23:34,129 INFO  L133        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2018-11-23 08:23:34,129 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_f48794b1-5996-4222-87be-b33c8b1fed3b/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 -> b51e4d4f6750e9cf93bd85ecf4b933ea1ea8886c
[2018-11-23 08:23:34,152 INFO  L81    nceAwareModelManager]: Repository-Root is: /tmp
[2018-11-23 08:23:34,161 INFO  L258   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2018-11-23 08:23:34,164 INFO  L214   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2018-11-23 08:23:34,165 INFO  L271        PluginConnector]: Initializing CDTParser...
[2018-11-23 08:23:34,166 INFO  L276        PluginConnector]: CDTParser initialized
[2018-11-23 08:23:34,166 INFO  L418   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_f48794b1-5996-4222-87be-b33c8b1fed3b/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec2_product21_true-unreach-call_false-termination.cil.c
[2018-11-23 08:23:34,212 INFO  L221              CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f48794b1-5996-4222-87be-b33c8b1fed3b/bin-2019/utaipan/data/617d8a1d2/2a38fc7545e24f56a23bd3a972cc5701/FLAG21042f478
[2018-11-23 08:23:34,572 INFO  L307              CDTParser]: Found 1 translation units.
[2018-11-23 08:23:34,572 INFO  L161              CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_f48794b1-5996-4222-87be-b33c8b1fed3b/sv-benchmarks/c/product-lines/minepump_spec2_product21_true-unreach-call_false-termination.cil.c
[2018-11-23 08:23:34,580 INFO  L355              CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f48794b1-5996-4222-87be-b33c8b1fed3b/bin-2019/utaipan/data/617d8a1d2/2a38fc7545e24f56a23bd3a972cc5701/FLAG21042f478
[2018-11-23 08:23:34,969 INFO  L363              CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_f48794b1-5996-4222-87be-b33c8b1fed3b/bin-2019/utaipan/data/617d8a1d2/2a38fc7545e24f56a23bd3a972cc5701
[2018-11-23 08:23:34,971 INFO  L296   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2018-11-23 08:23:34,972 INFO  L131        ToolchainWalker]: Walking toolchain with 6 elements.
[2018-11-23 08:23:34,973 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2018-11-23 08:23:34,973 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2018-11-23 08:23:34,975 INFO  L276        PluginConnector]: CACSL2BoogieTranslator initialized
[2018-11-23 08:23:34,976 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:23:34" (1/1) ...
[2018-11-23 08:23:34,978 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2582a661 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:23:34, skipping insertion in model container
[2018-11-23 08:23:34,979 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:23:34" (1/1) ...
[2018-11-23 08:23:34,986 INFO  L145         MainTranslator]: Starting translation in SV-COMP mode 
[2018-11-23 08:23:35,014 INFO  L176         MainTranslator]: Built tables and reachable declarations
[2018-11-23 08:23:35,196 INFO  L201          PostProcessor]: Analyzing one entry point: main
[2018-11-23 08:23:35,205 INFO  L191         MainTranslator]: Completed pre-run
[2018-11-23 08:23:35,307 INFO  L201          PostProcessor]: Analyzing one entry point: main
[2018-11-23 08:23:35,323 INFO  L195         MainTranslator]: Completed translation
[2018-11-23 08:23:35,324 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:23:35 WrapperNode
[2018-11-23 08:23:35,324 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2018-11-23 08:23:35,324 INFO  L113        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2018-11-23 08:23:35,324 INFO  L271        PluginConnector]: Initializing Boogie Procedure Inliner...
[2018-11-23 08:23:35,324 INFO  L276        PluginConnector]: Boogie Procedure Inliner initialized
[2018-11-23 08:23:35,329 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:23:35" (1/1) ...
[2018-11-23 08:23:35,342 INFO  L185        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:23:35" (1/1) ...
[2018-11-23 08:23:35,349 INFO  L132        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2018-11-23 08:23:35,349 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2018-11-23 08:23:35,349 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2018-11-23 08:23:35,349 INFO  L276        PluginConnector]: Boogie Preprocessor initialized
[2018-11-23 08:23:35,357 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:23:35" (1/1) ...
[2018-11-23 08:23:35,357 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:23:35" (1/1) ...
[2018-11-23 08:23:35,360 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:23:35" (1/1) ...
[2018-11-23 08:23:35,360 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:23:35" (1/1) ...
[2018-11-23 08:23:35,370 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:23:35" (1/1) ...
[2018-11-23 08:23:35,375 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:23:35" (1/1) ...
[2018-11-23 08:23:35,377 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:23:35" (1/1) ...
[2018-11-23 08:23:35,380 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2018-11-23 08:23:35,380 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2018-11-23 08:23:35,381 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2018-11-23 08:23:35,381 INFO  L276        PluginConnector]: RCFGBuilder initialized
[2018-11-23 08:23:35,381 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:23:35" (1/1) ...
No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f48794b1-5996-4222-87be-b33c8b1fed3b/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
[2018-11-23 08:23:35,424 INFO  L130     BoogieDeclarations]: Found specification of procedure valid_product
[2018-11-23 08:23:35,424 INFO  L138     BoogieDeclarations]: Found implementation of procedure valid_product
[2018-11-23 08:23:35,424 INFO  L130     BoogieDeclarations]: Found specification of procedure main
[2018-11-23 08:23:35,424 INFO  L138     BoogieDeclarations]: Found implementation of procedure main
[2018-11-23 08:23:35,424 INFO  L130     BoogieDeclarations]: Found specification of procedure isLowWaterLevel
[2018-11-23 08:23:35,424 INFO  L138     BoogieDeclarations]: Found implementation of procedure isLowWaterLevel
[2018-11-23 08:23:35,425 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.alloc
[2018-11-23 08:23:35,425 INFO  L130     BoogieDeclarations]: Found specification of procedure select_features
[2018-11-23 08:23:35,425 INFO  L138     BoogieDeclarations]: Found implementation of procedure select_features
[2018-11-23 08:23:35,425 INFO  L130     BoogieDeclarations]: Found specification of procedure processEnvironment
[2018-11-23 08:23:35,425 INFO  L138     BoogieDeclarations]: Found implementation of procedure processEnvironment
[2018-11-23 08:23:35,425 INFO  L130     BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base
[2018-11-23 08:23:35,425 INFO  L138     BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base
[2018-11-23 08:23:35,425 INFO  L130     BoogieDeclarations]: Found specification of procedure test
[2018-11-23 08:23:35,425 INFO  L138     BoogieDeclarations]: Found implementation of procedure test
[2018-11-23 08:23:35,426 INFO  L130     BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry
[2018-11-23 08:23:35,426 INFO  L138     BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry
[2018-11-23 08:23:35,426 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2
[2018-11-23 08:23:35,426 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2
[2018-11-23 08:23:35,426 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1
[2018-11-23 08:23:35,426 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1
[2018-11-23 08:23:35,426 INFO  L130     BoogieDeclarations]: Found specification of procedure timeShift
[2018-11-23 08:23:35,426 INFO  L138     BoogieDeclarations]: Found implementation of procedure timeShift
[2018-11-23 08:23:35,426 INFO  L130     BoogieDeclarations]: Found specification of procedure cleanup
[2018-11-23 08:23:35,427 INFO  L138     BoogieDeclarations]: Found implementation of procedure cleanup
[2018-11-23 08:23:35,427 INFO  L130     BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical
[2018-11-23 08:23:35,427 INFO  L138     BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical
[2018-11-23 08:23:35,427 INFO  L130     BoogieDeclarations]: Found specification of procedure lowerWaterLevel
[2018-11-23 08:23:35,427 INFO  L138     BoogieDeclarations]: Found implementation of procedure lowerWaterLevel
[2018-11-23 08:23:35,427 INFO  L130     BoogieDeclarations]: Found specification of procedure waterRise
[2018-11-23 08:23:35,427 INFO  L138     BoogieDeclarations]: Found implementation of procedure waterRise
[2018-11-23 08:23:35,427 INFO  L130     BoogieDeclarations]: Found specification of procedure __automaton_fail
[2018-11-23 08:23:35,427 INFO  L138     BoogieDeclarations]: Found implementation of procedure __automaton_fail
[2018-11-23 08:23:35,427 INFO  L130     BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor
[2018-11-23 08:23:35,428 INFO  L138     BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor
[2018-11-23 08:23:35,428 INFO  L130     BoogieDeclarations]: Found specification of procedure select_helpers
[2018-11-23 08:23:35,428 INFO  L138     BoogieDeclarations]: Found implementation of procedure select_helpers
[2018-11-23 08:23:35,428 INFO  L130     BoogieDeclarations]: Found specification of procedure isPumpRunning
[2018-11-23 08:23:35,428 INFO  L138     BoogieDeclarations]: Found implementation of procedure isPumpRunning
[2018-11-23 08:23:35,428 INFO  L130     BoogieDeclarations]: Found specification of procedure runTest
[2018-11-23 08:23:35,428 INFO  L138     BoogieDeclarations]: Found implementation of procedure runTest
[2018-11-23 08:23:35,428 INFO  L130     BoogieDeclarations]: Found specification of procedure isMethaneAlarm
[2018-11-23 08:23:35,429 INFO  L138     BoogieDeclarations]: Found implementation of procedure isMethaneAlarm
[2018-11-23 08:23:35,429 INFO  L130     BoogieDeclarations]: Found specification of procedure deactivatePump
[2018-11-23 08:23:35,429 INFO  L138     BoogieDeclarations]: Found implementation of procedure deactivatePump
[2018-11-23 08:23:35,429 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int
[2018-11-23 08:23:35,429 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2018-11-23 08:23:35,429 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2018-11-23 08:23:35,429 INFO  L130     BoogieDeclarations]: Found specification of procedure changeMethaneLevel
[2018-11-23 08:23:35,429 INFO  L138     BoogieDeclarations]: Found implementation of procedure changeMethaneLevel
[2018-11-23 08:23:35,429 INFO  L130     BoogieDeclarations]: Found specification of procedure setup
[2018-11-23 08:23:35,429 INFO  L138     BoogieDeclarations]: Found implementation of procedure setup
[2018-11-23 08:23:35,430 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2018-11-23 08:23:35,430 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2018-11-23 08:23:35,862 INFO  L275             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2018-11-23 08:23:35,862 INFO  L280             CfgBuilder]: Removed 2 assue(true) statements.
[2018-11-23 08:23:35,862 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:23:35 BoogieIcfgContainer
[2018-11-23 08:23:35,862 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2018-11-23 08:23:35,863 INFO  L113        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2018-11-23 08:23:35,863 INFO  L271        PluginConnector]: Initializing TraceAbstraction...
[2018-11-23 08:23:35,866 INFO  L276        PluginConnector]: TraceAbstraction initialized
[2018-11-23 08:23:35,867 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 08:23:34" (1/3) ...
[2018-11-23 08:23:35,867 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@607e13ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 08:23:35, skipping insertion in model container
[2018-11-23 08:23:35,867 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:23:35" (2/3) ...
[2018-11-23 08:23:35,868 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@607e13ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 08:23:35, skipping insertion in model container
[2018-11-23 08:23:35,868 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:23:35" (3/3) ...
[2018-11-23 08:23:35,869 INFO  L112   eAbstractionObserver]: Analyzing ICFG minepump_spec2_product21_true-unreach-call_false-termination.cil.c
[2018-11-23 08:23:35,877 INFO  L156   ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2018-11-23 08:23:35,884 INFO  L168   ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations.
[2018-11-23 08:23:35,893 INFO  L257      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2018-11-23 08:23:35,915 INFO  L382      AbstractCegarLoop]: Interprodecural is true
[2018-11-23 08:23:35,916 INFO  L383      AbstractCegarLoop]: Hoare is true
[2018-11-23 08:23:35,916 INFO  L384      AbstractCegarLoop]: Compute interpolants for FPandBP
[2018-11-23 08:23:35,916 INFO  L385      AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2018-11-23 08:23:35,916 INFO  L386      AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2018-11-23 08:23:35,916 INFO  L387      AbstractCegarLoop]: Difference is false
[2018-11-23 08:23:35,916 INFO  L388      AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2018-11-23 08:23:35,916 INFO  L393      AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2018-11-23 08:23:35,930 INFO  L276                IsEmpty]: Start isEmpty. Operand 137 states.
[2018-11-23 08:23:35,936 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 52
[2018-11-23 08:23:35,937 INFO  L394         BasicCegarLoop]: Found error trace
[2018-11-23 08:23:35,937 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]
[2018-11-23 08:23:35,939 INFO  L423      AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2018-11-23 08:23:35,942 INFO  L141       PredicateUnifier]: Initialized classic predicate unifier
[2018-11-23 08:23:35,943 INFO  L82        PathProgramCache]: Analyzing trace with hash -681198731, now seen corresponding path program 1 times
[2018-11-23 08:23:35,944 INFO  L69    tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy
[2018-11-23 08:23:35,973 INFO  L119   rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2018-11-23 08:23:35,973 INFO  L103   rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2018-11-23 08:23:35,973 INFO  L119   rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2018-11-23 08:23:35,973 INFO  L286   anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation)
[2018-11-23 08:23:36,057 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-11-23 08:23:36,126 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2018-11-23 08:23:36,128 INFO  L312   seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2018-11-23 08:23:36,128 INFO  L327   seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2018-11-23 08:23:36,128 INFO  L256   anRefinementStrategy]: Using the first perfect interpolant sequence
[2018-11-23 08:23:36,132 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 2 states
[2018-11-23 08:23:36,140 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2018-11-23 08:23:36,140 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2018-11-23 08:23:36,141 INFO  L87              Difference]: Start difference. First operand 137 states. Second operand 2 states.
[2018-11-23 08:23:36,164 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2018-11-23 08:23:36,164 INFO  L93              Difference]: Finished difference Result 244 states and 307 transitions.
[2018-11-23 08:23:36,164 INFO  L142   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2018-11-23 08:23:36,165 INFO  L78                 Accepts]: Start accepts. Automaton has 2 states. Word has length 51
[2018-11-23 08:23:36,166 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2018-11-23 08:23:36,172 INFO  L225             Difference]: With dead ends: 244
[2018-11-23 08:23:36,172 INFO  L226             Difference]: Without dead ends: 124
[2018-11-23 08:23:36,175 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
[2018-11-23 08:23:36,186 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 124 states.
[2018-11-23 08:23:36,204 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 124.
[2018-11-23 08:23:36,205 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 124 states.
[2018-11-23 08:23:36,206 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 147 transitions.
[2018-11-23 08:23:36,208 INFO  L78                 Accepts]: Start accepts. Automaton has 124 states and 147 transitions. Word has length 51
[2018-11-23 08:23:36,208 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2018-11-23 08:23:36,208 INFO  L480      AbstractCegarLoop]: Abstraction has 124 states and 147 transitions.
[2018-11-23 08:23:36,208 INFO  L481      AbstractCegarLoop]: Interpolant automaton has 2 states.
[2018-11-23 08:23:36,208 INFO  L276                IsEmpty]: Start isEmpty. Operand 124 states and 147 transitions.
[2018-11-23 08:23:36,210 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 53
[2018-11-23 08:23:36,210 INFO  L394         BasicCegarLoop]: Found error trace
[2018-11-23 08:23:36,210 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]
[2018-11-23 08:23:36,210 INFO  L423      AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2018-11-23 08:23:36,210 INFO  L141       PredicateUnifier]: Initialized classic predicate unifier
[2018-11-23 08:23:36,211 INFO  L82        PathProgramCache]: Analyzing trace with hash -2010596111, now seen corresponding path program 1 times
[2018-11-23 08:23:36,211 INFO  L69    tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy
[2018-11-23 08:23:36,211 INFO  L119   rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2018-11-23 08:23:36,211 INFO  L103   rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2018-11-23 08:23:36,211 INFO  L119   rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2018-11-23 08:23:36,212 INFO  L286   anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation)
[2018-11-23 08:23:36,236 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-11-23 08:23:36,282 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2018-11-23 08:23:36,282 INFO  L312   seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2018-11-23 08:23:36,283 INFO  L327   seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2018-11-23 08:23:36,283 INFO  L256   anRefinementStrategy]: Using the first perfect interpolant sequence
[2018-11-23 08:23:36,284 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 3 states
[2018-11-23 08:23:36,284 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2018-11-23 08:23:36,284 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2018-11-23 08:23:36,285 INFO  L87              Difference]: Start difference. First operand 124 states and 147 transitions. Second operand 3 states.
[2018-11-23 08:23:36,306 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2018-11-23 08:23:36,306 INFO  L93              Difference]: Finished difference Result 193 states and 229 transitions.
[2018-11-23 08:23:36,307 INFO  L142   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2018-11-23 08:23:36,307 INFO  L78                 Accepts]: Start accepts. Automaton has 3 states. Word has length 52
[2018-11-23 08:23:36,307 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2018-11-23 08:23:36,309 INFO  L225             Difference]: With dead ends: 193
[2018-11-23 08:23:36,309 INFO  L226             Difference]: Without dead ends: 115
[2018-11-23 08:23:36,310 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
[2018-11-23 08:23:36,310 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 115 states.
[2018-11-23 08:23:36,319 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 115.
[2018-11-23 08:23:36,319 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 115 states.
[2018-11-23 08:23:36,320 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 135 transitions.
[2018-11-23 08:23:36,320 INFO  L78                 Accepts]: Start accepts. Automaton has 115 states and 135 transitions. Word has length 52
[2018-11-23 08:23:36,321 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2018-11-23 08:23:36,321 INFO  L480      AbstractCegarLoop]: Abstraction has 115 states and 135 transitions.
[2018-11-23 08:23:36,321 INFO  L481      AbstractCegarLoop]: Interpolant automaton has 3 states.
[2018-11-23 08:23:36,321 INFO  L276                IsEmpty]: Start isEmpty. Operand 115 states and 135 transitions.
[2018-11-23 08:23:36,322 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 57
[2018-11-23 08:23:36,322 INFO  L394         BasicCegarLoop]: Found error trace
[2018-11-23 08:23:36,322 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]
[2018-11-23 08:23:36,323 INFO  L423      AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2018-11-23 08:23:36,323 INFO  L141       PredicateUnifier]: Initialized classic predicate unifier
[2018-11-23 08:23:36,323 INFO  L82        PathProgramCache]: Analyzing trace with hash -1831288974, now seen corresponding path program 1 times
[2018-11-23 08:23:36,323 INFO  L69    tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy
[2018-11-23 08:23:36,324 INFO  L119   rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2018-11-23 08:23:36,324 INFO  L103   rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2018-11-23 08:23:36,324 INFO  L119   rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2018-11-23 08:23:36,324 INFO  L286   anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation)
[2018-11-23 08:23:36,343 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-11-23 08:23:36,427 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2018-11-23 08:23:36,427 INFO  L312   seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2018-11-23 08:23:36,427 INFO  L327   seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7
[2018-11-23 08:23:36,427 INFO  L256   anRefinementStrategy]: Using the first perfect interpolant sequence
[2018-11-23 08:23:36,428 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 7 states
[2018-11-23 08:23:36,428 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2018-11-23 08:23:36,428 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42
[2018-11-23 08:23:36,428 INFO  L87              Difference]: Start difference. First operand 115 states and 135 transitions. Second operand 7 states.
[2018-11-23 08:23:36,640 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2018-11-23 08:23:36,640 INFO  L93              Difference]: Finished difference Result 202 states and 243 transitions.
[2018-11-23 08:23:36,641 INFO  L142   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2018-11-23 08:23:36,641 INFO  L78                 Accepts]: Start accepts. Automaton has 7 states. Word has length 56
[2018-11-23 08:23:36,641 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2018-11-23 08:23:36,642 INFO  L225             Difference]: With dead ends: 202
[2018-11-23 08:23:36,642 INFO  L226             Difference]: Without dead ends: 115
[2018-11-23 08:23:36,643 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
[2018-11-23 08:23:36,643 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 115 states.
[2018-11-23 08:23:36,652 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 115.
[2018-11-23 08:23:36,652 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 115 states.
[2018-11-23 08:23:36,653 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 134 transitions.
[2018-11-23 08:23:36,653 INFO  L78                 Accepts]: Start accepts. Automaton has 115 states and 134 transitions. Word has length 56
[2018-11-23 08:23:36,653 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2018-11-23 08:23:36,653 INFO  L480      AbstractCegarLoop]: Abstraction has 115 states and 134 transitions.
[2018-11-23 08:23:36,654 INFO  L481      AbstractCegarLoop]: Interpolant automaton has 7 states.
[2018-11-23 08:23:36,654 INFO  L276                IsEmpty]: Start isEmpty. Operand 115 states and 134 transitions.
[2018-11-23 08:23:36,655 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 70
[2018-11-23 08:23:36,655 INFO  L394         BasicCegarLoop]: Found error trace
[2018-11-23 08:23:36,656 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]
[2018-11-23 08:23:36,656 INFO  L423      AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2018-11-23 08:23:36,656 INFO  L141       PredicateUnifier]: Initialized classic predicate unifier
[2018-11-23 08:23:36,657 INFO  L82        PathProgramCache]: Analyzing trace with hash 167246038, now seen corresponding path program 1 times
[2018-11-23 08:23:36,657 INFO  L69    tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy
[2018-11-23 08:23:36,657 INFO  L119   rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2018-11-23 08:23:36,658 INFO  L103   rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2018-11-23 08:23:36,658 INFO  L119   rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2018-11-23 08:23:36,658 INFO  L286   anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation)
[2018-11-23 08:23:36,675 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-11-23 08:23:36,741 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2018-11-23 08:23:36,741 INFO  L312   seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2018-11-23 08:23:36,742 INFO  L327   seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2018-11-23 08:23:36,742 INFO  L256   anRefinementStrategy]: Using the first perfect interpolant sequence
[2018-11-23 08:23:36,742 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 6 states
[2018-11-23 08:23:36,742 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2018-11-23 08:23:36,742 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2018-11-23 08:23:36,742 INFO  L87              Difference]: Start difference. First operand 115 states and 134 transitions. Second operand 6 states.
[2018-11-23 08:23:36,853 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2018-11-23 08:23:36,854 INFO  L93              Difference]: Finished difference Result 281 states and 341 transitions.
[2018-11-23 08:23:36,854 INFO  L142   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2018-11-23 08:23:36,854 INFO  L78                 Accepts]: Start accepts. Automaton has 6 states. Word has length 69
[2018-11-23 08:23:36,854 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2018-11-23 08:23:36,856 INFO  L225             Difference]: With dead ends: 281
[2018-11-23 08:23:36,857 INFO  L226             Difference]: Without dead ends: 194
[2018-11-23 08:23:36,857 INFO  L631         BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72
[2018-11-23 08:23:36,858 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 194 states.
[2018-11-23 08:23:36,876 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 194 to 192.
[2018-11-23 08:23:36,876 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 192 states.
[2018-11-23 08:23:36,877 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 192 states and 228 transitions.
[2018-11-23 08:23:36,878 INFO  L78                 Accepts]: Start accepts. Automaton has 192 states and 228 transitions. Word has length 69
[2018-11-23 08:23:36,878 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2018-11-23 08:23:36,878 INFO  L480      AbstractCegarLoop]: Abstraction has 192 states and 228 transitions.
[2018-11-23 08:23:36,878 INFO  L481      AbstractCegarLoop]: Interpolant automaton has 6 states.
[2018-11-23 08:23:36,878 INFO  L276                IsEmpty]: Start isEmpty. Operand 192 states and 228 transitions.
[2018-11-23 08:23:36,880 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 74
[2018-11-23 08:23:36,880 INFO  L394         BasicCegarLoop]: Found error trace
[2018-11-23 08:23:36,881 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, 1, 1, 1, 1]
[2018-11-23 08:23:36,881 INFO  L423      AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2018-11-23 08:23:36,881 INFO  L141       PredicateUnifier]: Initialized classic predicate unifier
[2018-11-23 08:23:36,881 INFO  L82        PathProgramCache]: Analyzing trace with hash -93930438, now seen corresponding path program 1 times
[2018-11-23 08:23:36,881 INFO  L69    tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy
[2018-11-23 08:23:36,882 INFO  L119   rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2018-11-23 08:23:36,882 INFO  L103   rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2018-11-23 08:23:36,882 INFO  L119   rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2018-11-23 08:23:36,883 INFO  L286   anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation)
[2018-11-23 08:23:36,898 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-11-23 08:23:36,968 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2018-11-23 08:23:36,968 INFO  L312   seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2018-11-23 08:23:36,968 INFO  L327   seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7
[2018-11-23 08:23:36,969 INFO  L256   anRefinementStrategy]: Using the first perfect interpolant sequence
[2018-11-23 08:23:36,969 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 7 states
[2018-11-23 08:23:36,969 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2018-11-23 08:23:36,969 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42
[2018-11-23 08:23:36,970 INFO  L87              Difference]: Start difference. First operand 192 states and 228 transitions. Second operand 7 states.
[2018-11-23 08:23:37,134 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2018-11-23 08:23:37,134 INFO  L93              Difference]: Finished difference Result 290 states and 353 transitions.
[2018-11-23 08:23:37,135 INFO  L142   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2018-11-23 08:23:37,135 INFO  L78                 Accepts]: Start accepts. Automaton has 7 states. Word has length 73
[2018-11-23 08:23:37,135 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2018-11-23 08:23:37,135 INFO  L225             Difference]: With dead ends: 290
[2018-11-23 08:23:37,136 INFO  L226             Difference]: Without dead ends: 0
[2018-11-23 08:23:37,137 INFO  L631         BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110
[2018-11-23 08:23:37,137 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2018-11-23 08:23:37,137 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2018-11-23 08:23:37,137 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 0 states.
[2018-11-23 08:23:37,138 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2018-11-23 08:23:37,138 INFO  L78                 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 73
[2018-11-23 08:23:37,138 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2018-11-23 08:23:37,138 INFO  L480      AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2018-11-23 08:23:37,138 INFO  L481      AbstractCegarLoop]: Interpolant automaton has 7 states.
[2018-11-23 08:23:37,138 INFO  L276                IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2018-11-23 08:23:37,139 INFO  L282                IsEmpty]: Finished isEmpty. No accepting run.
[2018-11-23 08:23:37,143 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.
[2018-11-23 08:23:37,650 INFO  L451   ceAbstractionStarter]: At program point  select_helpersFINAL(lines 673 679)  the Hoare annotation is:  true
[2018-11-23 08:23:37,650 INFO  L448   ceAbstractionStarter]: For program point  select_helpersEXIT(lines 673 679)  no Hoare annotation was computed.
[2018-11-23 08:23:37,650 INFO  L448   ceAbstractionStarter]: For program point  valid_productEXIT(lines 680 688)  no Hoare annotation was computed.
[2018-11-23 08:23:37,650 INFO  L451   ceAbstractionStarter]: At program point  valid_productENTRY(lines 680 688)  the Hoare annotation is:  true
[2018-11-23 08:23:37,650 INFO  L448   ceAbstractionStarter]: For program point  valid_productFINAL(lines 680 688)  no Hoare annotation was computed.
[2018-11-23 08:23:37,650 INFO  L444   ceAbstractionStarter]: At program point  mainENTRY(lines 529 551)  the Hoare annotation is:  (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0)))
[2018-11-23 08:23:37,651 INFO  L444   ceAbstractionStarter]: At program point  L541(line 541)  the Hoare annotation is:  (or (and (= 0 ~methaneLevelCritical~0) (= main_~tmp~4 ~systemActive~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0)))
[2018-11-23 08:23:37,651 INFO  L444   ceAbstractionStarter]: At program point  L541-1(line 541)  the Hoare annotation is:  (or (and (= 0 ~methaneLevelCritical~0) (= main_~tmp~4 ~systemActive~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0)))
[2018-11-23 08:23:37,651 INFO  L448   ceAbstractionStarter]: For program point  L539(lines 539 546)  no Hoare annotation was computed.
[2018-11-23 08:23:37,651 INFO  L448   ceAbstractionStarter]: For program point  L539-1(lines 539 546)  no Hoare annotation was computed.
[2018-11-23 08:23:37,651 INFO  L448   ceAbstractionStarter]: For program point  L537(line 537)  no Hoare annotation was computed.
[2018-11-23 08:23:37,651 INFO  L448   ceAbstractionStarter]: For program point  mainEXIT(lines 529 551)  no Hoare annotation was computed.
[2018-11-23 08:23:37,651 INFO  L444   ceAbstractionStarter]: At program point  L536(line 536)  the Hoare annotation is:  (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0)))
[2018-11-23 08:23:37,651 INFO  L444   ceAbstractionStarter]: At program point  L535(line 535)  the Hoare annotation is:  (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0)))
[2018-11-23 08:23:37,651 INFO  L444   ceAbstractionStarter]: At program point  L535-1(line 535)  the Hoare annotation is:  (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0)))
[2018-11-23 08:23:37,652 INFO  L448   ceAbstractionStarter]: For program point  mainFINAL(lines 529 551)  no Hoare annotation was computed.
[2018-11-23 08:23:37,652 INFO  L448   ceAbstractionStarter]: For program point  isPumpRunningEXIT(lines 805 813)  no Hoare annotation was computed.
[2018-11-23 08:23:37,652 INFO  L451   ceAbstractionStarter]: At program point  isPumpRunningENTRY(lines 805 813)  the Hoare annotation is:  true
[2018-11-23 08:23:37,652 INFO  L448   ceAbstractionStarter]: For program point  isPumpRunningFINAL(lines 805 813)  no Hoare annotation was computed.
[2018-11-23 08:23:37,652 INFO  L448   ceAbstractionStarter]: For program point  L859(lines 859 863)  no Hoare annotation was computed.
[2018-11-23 08:23:37,652 INFO  L451   ceAbstractionStarter]: At program point  isLowWaterLevelENTRY(lines 850 868)  the Hoare annotation is:  true
[2018-11-23 08:23:37,652 INFO  L451   ceAbstractionStarter]: At program point  L857(line 857)  the Hoare annotation is:  true
[2018-11-23 08:23:37,652 INFO  L448   ceAbstractionStarter]: For program point  L859-2(lines 859 863)  no Hoare annotation was computed.
[2018-11-23 08:23:37,652 INFO  L448   ceAbstractionStarter]: For program point  L857-1(line 857)  no Hoare annotation was computed.
[2018-11-23 08:23:37,652 INFO  L448   ceAbstractionStarter]: For program point  isLowWaterLevelEXIT(lines 850 868)  no Hoare annotation was computed.
[2018-11-23 08:23:37,652 INFO  L448   ceAbstractionStarter]: For program point  isLowWaterLevelFINAL(lines 850 868)  no Hoare annotation was computed.
[2018-11-23 08:23:37,652 INFO  L448   ceAbstractionStarter]: For program point  select_featuresEXIT(lines 666 672)  no Hoare annotation was computed.
[2018-11-23 08:23:37,653 INFO  L451   ceAbstractionStarter]: At program point  select_featuresFINAL(lines 666 672)  the Hoare annotation is:  true
[2018-11-23 08:23:37,653 INFO  L444   ceAbstractionStarter]: At program point  runTestENTRY(lines 515 525)  the Hoare annotation is:  (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0)))
[2018-11-23 08:23:37,653 INFO  L448   ceAbstractionStarter]: For program point  runTestEXIT(lines 515 525)  no Hoare annotation was computed.
[2018-11-23 08:23:37,653 INFO  L444   ceAbstractionStarter]: At program point  L520(line 520)  the Hoare annotation is:  (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0)))
[2018-11-23 08:23:37,653 INFO  L448   ceAbstractionStarter]: For program point  runTestFINAL(lines 515 525)  no Hoare annotation was computed.
[2018-11-23 08:23:37,653 INFO  L451   ceAbstractionStarter]: At program point  isMethaneAlarmENTRY(lines 794 804)  the Hoare annotation is:  true
[2018-11-23 08:23:37,653 INFO  L451   ceAbstractionStarter]: At program point  L799(line 799)  the Hoare annotation is:  true
[2018-11-23 08:23:37,653 INFO  L448   ceAbstractionStarter]: For program point  L799-1(line 799)  no Hoare annotation was computed.
[2018-11-23 08:23:37,653 INFO  L448   ceAbstractionStarter]: For program point  isMethaneAlarmEXIT(lines 794 804)  no Hoare annotation was computed.
[2018-11-23 08:23:37,653 INFO  L448   ceAbstractionStarter]: For program point  isMethaneAlarmFINAL(lines 794 804)  no Hoare annotation was computed.
[2018-11-23 08:23:37,653 INFO  L451   ceAbstractionStarter]: At program point  deactivatePumpENTRY(lines 786 793)  the Hoare annotation is:  true
[2018-11-23 08:23:37,654 INFO  L448   ceAbstractionStarter]: For program point  deactivatePumpEXIT(lines 786 793)  no Hoare annotation was computed.
[2018-11-23 08:23:37,654 INFO  L448   ceAbstractionStarter]: For program point  deactivatePumpFINAL(lines 786 793)  no Hoare annotation was computed.
[2018-11-23 08:23:37,654 INFO  L444   ceAbstractionStarter]: At program point  L767(line 767)  the Hoare annotation is:  (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)))
[2018-11-23 08:23:37,654 INFO  L444   ceAbstractionStarter]: At program point  L763(line 763)  the Hoare annotation is:  (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)))
[2018-11-23 08:23:37,654 INFO  L448   ceAbstractionStarter]: For program point  L761(lines 761 769)  no Hoare annotation was computed.
[2018-11-23 08:23:37,654 INFO  L444   ceAbstractionStarter]: At program point  L759(line 759)  the Hoare annotation is:  (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)))
[2018-11-23 08:23:37,654 INFO  L448   ceAbstractionStarter]: For program point  processEnvironmentEXIT(lines 753 777)  no Hoare annotation was computed.
[2018-11-23 08:23:37,654 INFO  L448   ceAbstractionStarter]: For program point  L759-1(line 759)  no Hoare annotation was computed.
[2018-11-23 08:23:37,654 INFO  L448   ceAbstractionStarter]: For program point  L757(lines 757 774)  no Hoare annotation was computed.
[2018-11-23 08:23:37,654 INFO  L444   ceAbstractionStarter]: At program point  processEnvironmentENTRY(lines 753 777)  the Hoare annotation is:  (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= ~systemActive~0 1)))
[2018-11-23 08:23:37,655 INFO  L444   ceAbstractionStarter]: At program point  L772(line 772)  the Hoare annotation is:  (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= ~systemActive~0 1)))
[2018-11-23 08:23:37,655 INFO  L448   ceAbstractionStarter]: For program point  L772-1(lines 753 777)  no Hoare annotation was computed.
[2018-11-23 08:23:37,655 INFO  L448   ceAbstractionStarter]: For program point  processEnvironment__wrappee__baseEXIT(lines 719 725)  no Hoare annotation was computed.
[2018-11-23 08:23:37,655 INFO  L451   ceAbstractionStarter]: At program point  processEnvironment__wrappee__baseFINAL(lines 719 725)  the Hoare annotation is:  true
[2018-11-23 08:23:37,655 INFO  L444   ceAbstractionStarter]: At program point  testENTRY(lines 870 933)  the Hoare annotation is:  (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0)))
[2018-11-23 08:23:37,655 INFO  L444   ceAbstractionStarter]: At program point  L892(line 892)  the Hoare annotation is:  (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= |old(~pumpRunning~0)| ~pumpRunning~0) (= test_~splverifierCounter~0 0)))
[2018-11-23 08:23:37,655 INFO  L444   ceAbstractionStarter]: At program point  L923(lines 880 925)  the Hoare annotation is:  (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= |old(~pumpRunning~0)| ~pumpRunning~0) (= test_~splverifierCounter~0 0)))
[2018-11-23 08:23:37,655 INFO  L448   ceAbstractionStarter]: For program point  L890(lines 890 896)  no Hoare annotation was computed.
[2018-11-23 08:23:37,655 INFO  L448   ceAbstractionStarter]: For program point  L890-1(lines 890 896)  no Hoare annotation was computed.
[2018-11-23 08:23:37,655 INFO  L448   ceAbstractionStarter]: For program point  testFINAL(lines 870 933)  no Hoare annotation was computed.
[2018-11-23 08:23:37,655 INFO  L448   ceAbstractionStarter]: For program point  L882(lines 882 886)  no Hoare annotation was computed.
[2018-11-23 08:23:37,656 INFO  L444   ceAbstractionStarter]: At program point  L926(lines 879 927)  the Hoare annotation is:  (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0)))
[2018-11-23 08:23:37,656 INFO  L448   ceAbstractionStarter]: For program point  L916(lines 916 920)  no Hoare annotation was computed.
[2018-11-23 08:23:37,656 INFO  L444   ceAbstractionStarter]: At program point  L916-2(lines 910 921)  the Hoare annotation is:  (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= |old(~pumpRunning~0)| ~pumpRunning~0) (= test_~splverifierCounter~0 0)))
[2018-11-23 08:23:37,656 INFO  L448   ceAbstractionStarter]: For program point  L881(lines 880 925)  no Hoare annotation was computed.
[2018-11-23 08:23:37,656 INFO  L448   ceAbstractionStarter]: For program point  L910(lines 910 921)  no Hoare annotation was computed.
[2018-11-23 08:23:37,656 INFO  L444   ceAbstractionStarter]: At program point  L902(line 902)  the Hoare annotation is:  (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= |old(~pumpRunning~0)| ~pumpRunning~0) (= test_~splverifierCounter~0 0)))
[2018-11-23 08:23:37,656 INFO  L448   ceAbstractionStarter]: For program point  L900(lines 900 906)  no Hoare annotation was computed.
[2018-11-23 08:23:37,656 INFO  L448   ceAbstractionStarter]: For program point  L900-1(lines 900 906)  no Hoare annotation was computed.
[2018-11-23 08:23:37,656 INFO  L448   ceAbstractionStarter]: For program point  testEXIT(lines 870 933)  no Hoare annotation was computed.
[2018-11-23 08:23:37,657 INFO  L448   ceAbstractionStarter]: For program point  isLowWaterSensorDryFINAL(lines 636 644)  no Hoare annotation was computed.
[2018-11-23 08:23:37,657 INFO  L451   ceAbstractionStarter]: At program point  isLowWaterSensorDryENTRY(lines 636 644)  the Hoare annotation is:  true
[2018-11-23 08:23:37,657 INFO  L448   ceAbstractionStarter]: For program point  isLowWaterSensorDryEXIT(lines 636 644)  no Hoare annotation was computed.
[2018-11-23 08:23:37,657 INFO  L444   ceAbstractionStarter]: At program point  L433(line 433)  the Hoare annotation is:  (or (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1)))
[2018-11-23 08:23:37,657 INFO  L451   ceAbstractionStarter]: At program point  __utac_acc__Specification2_spec__2ENTRY(lines 418 446)  the Hoare annotation is:  true
[2018-11-23 08:23:37,657 INFO  L448   ceAbstractionStarter]: For program point  L431(lines 431 437)  no Hoare annotation was computed.
[2018-11-23 08:23:37,657 INFO  L448   ceAbstractionStarter]: For program point  L430(lines 430 440)  no Hoare annotation was computed.
[2018-11-23 08:23:37,657 INFO  L444   ceAbstractionStarter]: At program point  L428(line 428)  the Hoare annotation is:  (or (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= ~methaneLevelCritical~0 0)))
[2018-11-23 08:23:37,657 INFO  L448   ceAbstractionStarter]: For program point  L428-1(line 428)  no Hoare annotation was computed.
[2018-11-23 08:23:37,657 INFO  L448   ceAbstractionStarter]: For program point  L426(lines 426 443)  no Hoare annotation was computed.
[2018-11-23 08:23:37,657 INFO  L448   ceAbstractionStarter]: For program point  L426-1(lines 418 446)  no Hoare annotation was computed.
[2018-11-23 08:23:37,658 INFO  L451   ceAbstractionStarter]: At program point  L424(line 424)  the Hoare annotation is:  true
[2018-11-23 08:23:37,658 INFO  L448   ceAbstractionStarter]: For program point  L424-1(line 424)  no Hoare annotation was computed.
[2018-11-23 08:23:37,658 INFO  L448   ceAbstractionStarter]: For program point  __utac_acc__Specification2_spec__2EXIT(lines 418 446)  no Hoare annotation was computed.
[2018-11-23 08:23:37,658 INFO  L451   ceAbstractionStarter]: At program point  __utac_acc__Specification2_spec__1ENTRY(lines 410 417)  the Hoare annotation is:  true
[2018-11-23 08:23:37,658 INFO  L448   ceAbstractionStarter]: For program point  __utac_acc__Specification2_spec__1FINAL(lines 410 417)  no Hoare annotation was computed.
[2018-11-23 08:23:37,658 INFO  L448   ceAbstractionStarter]: For program point  __utac_acc__Specification2_spec__1EXIT(lines 410 417)  no Hoare annotation was computed.
[2018-11-23 08:23:37,658 INFO  L448   ceAbstractionStarter]: For program point  ULTIMATE.initFINAL(line -1)  no Hoare annotation was computed.
[2018-11-23 08:23:37,658 INFO  L444   ceAbstractionStarter]: At program point  ULTIMATE.initENTRY(line -1)  the Hoare annotation is:  (= |old(~pumpRunning~0)| ~pumpRunning~0)
[2018-11-23 08:23:37,658 INFO  L448   ceAbstractionStarter]: For program point  ULTIMATE.initEXIT(line -1)  no Hoare annotation was computed.
[2018-11-23 08:23:37,658 INFO  L444   ceAbstractionStarter]: At program point  changeMethaneLevelENTRY(lines 583 594)  the Hoare annotation is:  (or (not (= 0 ~pumpRunning~0)) (= 0 ~methaneLevelCritical~0) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0)))
[2018-11-23 08:23:37,658 INFO  L448   ceAbstractionStarter]: For program point  L587-1(lines 583 594)  no Hoare annotation was computed.
[2018-11-23 08:23:37,658 INFO  L448   ceAbstractionStarter]: For program point  changeMethaneLevelEXIT(lines 583 594)  no Hoare annotation was computed.
[2018-11-23 08:23:37,659 INFO  L444   ceAbstractionStarter]: At program point  L701(line 701)  the Hoare annotation is:  (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)))
[2018-11-23 08:23:37,659 INFO  L448   ceAbstractionStarter]: For program point  L699(lines 698 717)  no Hoare annotation was computed.
[2018-11-23 08:23:37,659 INFO  L444   ceAbstractionStarter]: At program point  timeShiftENTRY(lines 695 718)  the Hoare annotation is:  (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= ~systemActive~0 1)))
[2018-11-23 08:23:37,659 INFO  L448   ceAbstractionStarter]: For program point  timeShiftEXIT(lines 695 718)  no Hoare annotation was computed.
[2018-11-23 08:23:37,659 INFO  L448   ceAbstractionStarter]: For program point  timeShiftFINAL(lines 695 718)  no Hoare annotation was computed.
[2018-11-23 08:23:37,659 INFO  L444   ceAbstractionStarter]: At program point  L708(line 708)  the Hoare annotation is:  (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= ~systemActive~0 1)))
[2018-11-23 08:23:37,659 INFO  L444   ceAbstractionStarter]: At program point  L706(lines 706 712)  the Hoare annotation is:  (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= ~systemActive~0 1)))
[2018-11-23 08:23:37,659 INFO  L448   ceAbstractionStarter]: For program point  cleanupEXIT(lines 450 479)  no Hoare annotation was computed.
[2018-11-23 08:23:37,659 INFO  L451   ceAbstractionStarter]: At program point  cleanupENTRY(lines 450 479)  the Hoare annotation is:  true
[2018-11-23 08:23:37,659 INFO  L451   ceAbstractionStarter]: At program point  L475(lines 450 479)  the Hoare annotation is:  true
[2018-11-23 08:23:37,659 INFO  L448   ceAbstractionStarter]: For program point  L471(line 471)  no Hoare annotation was computed.
[2018-11-23 08:23:37,660 INFO  L448   ceAbstractionStarter]: For program point  L464(lines 464 468)  no Hoare annotation was computed.
[2018-11-23 08:23:37,660 INFO  L451   ceAbstractionStarter]: At program point  L464-1(lines 464 468)  the Hoare annotation is:  true
[2018-11-23 08:23:37,660 INFO  L448   ceAbstractionStarter]: For program point  L461(line 461)  no Hoare annotation was computed.
[2018-11-23 08:23:37,660 INFO  L451   ceAbstractionStarter]: At program point  L460-2(lines 460 474)  the Hoare annotation is:  true
[2018-11-23 08:23:37,660 INFO  L451   ceAbstractionStarter]: At program point  L456(line 456)  the Hoare annotation is:  true
[2018-11-23 08:23:37,660 INFO  L448   ceAbstractionStarter]: For program point  L456-1(line 456)  no Hoare annotation was computed.
[2018-11-23 08:23:37,660 INFO  L451   ceAbstractionStarter]: At program point  isMethaneLevelCriticalENTRY(lines 595 603)  the Hoare annotation is:  true
[2018-11-23 08:23:37,660 INFO  L448   ceAbstractionStarter]: For program point  isMethaneLevelCriticalFINAL(lines 595 603)  no Hoare annotation was computed.
[2018-11-23 08:23:37,660 INFO  L448   ceAbstractionStarter]: For program point  isMethaneLevelCriticalEXIT(lines 595 603)  no Hoare annotation was computed.
[2018-11-23 08:23:37,660 INFO  L451   ceAbstractionStarter]: At program point  lowerWaterLevelENTRY(lines 559 570)  the Hoare annotation is:  true
[2018-11-23 08:23:37,660 INFO  L448   ceAbstractionStarter]: For program point  lowerWaterLevelEXIT(lines 559 570)  no Hoare annotation was computed.
[2018-11-23 08:23:37,660 INFO  L448   ceAbstractionStarter]: For program point  L563-1(lines 559 570)  no Hoare annotation was computed.
[2018-11-23 08:23:37,661 INFO  L448   ceAbstractionStarter]: For program point  setupEXIT(lines 507 513)  no Hoare annotation was computed.
[2018-11-23 08:23:37,661 INFO  L451   ceAbstractionStarter]: At program point  setupFINAL(lines 507 513)  the Hoare annotation is:  true
[2018-11-23 08:23:37,661 INFO  L448   ceAbstractionStarter]: For program point  ULTIMATE.startEXIT(line -1)  no Hoare annotation was computed.
[2018-11-23 08:23:37,661 INFO  L444   ceAbstractionStarter]: At program point  L-1(line -1)  the Hoare annotation is:  (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~systemActive~0 1))
[2018-11-23 08:23:37,661 INFO  L451   ceAbstractionStarter]: At program point  ULTIMATE.startENTRY(line -1)  the Hoare annotation is:  true
[2018-11-23 08:23:37,661 INFO  L448   ceAbstractionStarter]: For program point  ULTIMATE.startFINAL(line -1)  no Hoare annotation was computed.
[2018-11-23 08:23:37,661 INFO  L448   ceAbstractionStarter]: For program point  waterRiseEXIT(lines 571 582)  no Hoare annotation was computed.
[2018-11-23 08:23:37,661 INFO  L448   ceAbstractionStarter]: For program point  L575-1(lines 571 582)  no Hoare annotation was computed.
[2018-11-23 08:23:37,661 INFO  L451   ceAbstractionStarter]: At program point  waterRiseENTRY(lines 571 582)  the Hoare annotation is:  true
[2018-11-23 08:23:37,661 INFO  L448   ceAbstractionStarter]: For program point  __automaton_failFINAL(lines 646 653)  no Hoare annotation was computed.
[2018-11-23 08:23:37,661 INFO  L451   ceAbstractionStarter]: At program point  __automaton_failENTRY(lines 646 653)  the Hoare annotation is:  true
[2018-11-23 08:23:37,662 INFO  L448   ceAbstractionStarter]: For program point  __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 650)  no Hoare annotation was computed.
[2018-11-23 08:23:37,662 INFO  L448   ceAbstractionStarter]: For program point  __automaton_failEXIT(lines 646 653)  no Hoare annotation was computed.
[2018-11-23 08:23:37,662 INFO  L444   ceAbstractionStarter]: At program point  L737(line 737)  the Hoare annotation is:  (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)))
[2018-11-23 08:23:37,662 INFO  L448   ceAbstractionStarter]: For program point  L735(lines 735 743)  no Hoare annotation was computed.
[2018-11-23 08:23:37,662 INFO  L448   ceAbstractionStarter]: For program point  processEnvironment__wrappee__lowWaterSensorEXIT(lines 727 751)  no Hoare annotation was computed.
[2018-11-23 08:23:37,662 INFO  L444   ceAbstractionStarter]: At program point  L733(line 733)  the Hoare annotation is:  (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)))
[2018-11-23 08:23:37,662 INFO  L448   ceAbstractionStarter]: For program point  L733-1(line 733)  no Hoare annotation was computed.
[2018-11-23 08:23:37,662 INFO  L448   ceAbstractionStarter]: For program point  L731(lines 731 748)  no Hoare annotation was computed.
[2018-11-23 08:23:37,662 INFO  L444   ceAbstractionStarter]: At program point  processEnvironment__wrappee__lowWaterSensorENTRY(lines 727 751)  the Hoare annotation is:  (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= ~systemActive~0 1)))
[2018-11-23 08:23:37,662 INFO  L444   ceAbstractionStarter]: At program point  L746(line 746)  the Hoare annotation is:  (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= ~systemActive~0 1)))
[2018-11-23 08:23:37,662 INFO  L448   ceAbstractionStarter]: For program point  L746-1(lines 727 751)  no Hoare annotation was computed.
[2018-11-23 08:23:37,663 INFO  L444   ceAbstractionStarter]: At program point  L741(line 741)  the Hoare annotation is:  (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)))
[2018-11-23 08:23:37,674 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 08:23:37 BoogieIcfgContainer
[2018-11-23 08:23:37,674 INFO  L132        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2018-11-23 08:23:37,674 INFO  L113        PluginConnector]: ------------------------Witness Printer----------------------------
[2018-11-23 08:23:37,674 INFO  L271        PluginConnector]: Initializing Witness Printer...
[2018-11-23 08:23:37,675 INFO  L276        PluginConnector]: Witness Printer initialized
[2018-11-23 08:23:37,675 INFO  L185        PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:23:35" (3/4) ...
[2018-11-23 08:23:37,683 INFO  L144         WitnessPrinter]: Generating witness for correct program
[2018-11-23 08:23:37,688 INFO  L354     RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers
[2018-11-23 08:23:37,689 INFO  L354     RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product
[2018-11-23 08:23:37,689 INFO  L354     RCFGBacktranslator]: Ignoring RootEdge to procedure main
[2018-11-23 08:23:37,689 INFO  L354     RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning
[2018-11-23 08:23:37,689 INFO  L354     RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterLevel
[2018-11-23 08:23:37,689 INFO  L354     RCFGBacktranslator]: Ignoring RootEdge to procedure select_features
[2018-11-23 08:23:37,689 INFO  L354     RCFGBacktranslator]: Ignoring RootEdge to procedure runTest
[2018-11-23 08:23:37,689 INFO  L354     RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm
[2018-11-23 08:23:37,689 INFO  L354     RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump
[2018-11-23 08:23:37,689 INFO  L354     RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment
[2018-11-23 08:23:37,689 INFO  L354     RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base
[2018-11-23 08:23:37,689 INFO  L354     RCFGBacktranslator]: Ignoring RootEdge to procedure test
[2018-11-23 08:23:37,689 INFO  L354     RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterSensorDry
[2018-11-23 08:23:37,690 INFO  L354     RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification2_spec__2
[2018-11-23 08:23:37,690 INFO  L354     RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification2_spec__1
[2018-11-23 08:23:37,690 INFO  L354     RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init
[2018-11-23 08:23:37,690 INFO  L354     RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel
[2018-11-23 08:23:37,690 INFO  L354     RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift
[2018-11-23 08:23:37,690 INFO  L354     RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup
[2018-11-23 08:23:37,690 INFO  L354     RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical
[2018-11-23 08:23:37,690 INFO  L354     RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel
[2018-11-23 08:23:37,690 INFO  L354     RCFGBacktranslator]: Ignoring RootEdge to procedure setup
[2018-11-23 08:23:37,691 INFO  L354     RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise
[2018-11-23 08:23:37,691 INFO  L354     RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail
[2018-11-23 08:23:37,691 INFO  L354     RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__lowWaterSensor
[2018-11-23 08:23:37,696 INFO  L879   BoogieBacktranslator]: Reduced CFG by removing 47 nodes and edges
[2018-11-23 08:23:37,697 INFO  L879   BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges
[2018-11-23 08:23:37,697 INFO  L879   BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges
[2018-11-23 08:23:37,697 INFO  L879   BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges
[2018-11-23 08:23:37,698 INFO  L879   BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges
[2018-11-23 08:23:37,698 INFO  L879   BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges
[2018-11-23 08:23:37,698 INFO  L879   BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges
[2018-11-23 08:23:37,723 WARN  L221   nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(methaneLevelCritical) == 0)) || (\old(pumpRunning) == pumpRunning && splverifierCounter == 0)
[2018-11-23 08:23:37,724 WARN  L221   nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(methaneLevelCritical) == 0)
[2018-11-23 08:23:37,757 INFO  L145         WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_f48794b1-5996-4222-87be-b33c8b1fed3b/bin-2019/utaipan/witness.graphml
[2018-11-23 08:23:37,757 INFO  L132        PluginConnector]: ------------------------ END Witness Printer----------------------------
[2018-11-23 08:23:37,758 INFO  L168              Benchmark]: Toolchain (without parser) took 2786.04 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 217.1 MB). Free memory was 956.4 MB in the beginning and 1.1 GB in the end (delta: -150.8 MB). Peak memory consumption was 66.3 MB. Max. memory is 11.5 GB.
[2018-11-23 08:23:37,759 INFO  L168              Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB.
[2018-11-23 08:23:37,759 INFO  L168              Benchmark]: CACSL2BoogieTranslator took 351.15 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.9 MB). Free memory was 956.4 MB in the beginning and 1.1 GB in the end (delta: -162.5 MB). Peak memory consumption was 31.6 MB. Max. memory is 11.5 GB.
[2018-11-23 08:23:37,760 INFO  L168              Benchmark]: Boogie Procedure Inliner took 24.92 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.
[2018-11-23 08:23:37,760 INFO  L168              Benchmark]: Boogie Preprocessor took 30.91 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: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB.
[2018-11-23 08:23:37,760 INFO  L168              Benchmark]: RCFGBuilder took 481.99 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: 49.1 MB). Peak memory consumption was 49.1 MB. Max. memory is 11.5 GB.
[2018-11-23 08:23:37,761 INFO  L168              Benchmark]: TraceAbstraction took 1811.07 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 79.2 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -51.3 MB). Peak memory consumption was 266.6 MB. Max. memory is 11.5 GB.
[2018-11-23 08:23:37,761 INFO  L168              Benchmark]: Witness Printer took 82.86 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: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 11.5 GB.
[2018-11-23 08:23:37,762 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 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB.
 * CACSL2BoogieTranslator took 351.15 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.9 MB). Free memory was 956.4 MB in the beginning and 1.1 GB in the end (delta: -162.5 MB). Peak memory consumption was 31.6 MB. Max. memory is 11.5 GB.
 * Boogie Procedure Inliner took 24.92 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 30.91 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: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB.
 * RCFGBuilder took 481.99 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: 49.1 MB). Peak memory consumption was 49.1 MB. Max. memory is 11.5 GB.
 * TraceAbstraction took 1811.07 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 79.2 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -51.3 MB). Peak memory consumption was 266.6 MB. Max. memory is 11.5 GB.
 * Witness Printer took 82.86 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: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 11.5 GB.
 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
  - PositiveResult [Line: 650]: call of __VERIFIER_error() unreachable
    For all program executions holds that call of __VERIFIER_error() unreachable at this location
  - AllSpecificationsHoldResult: All specifications hold
    1 specifications checked. All of them hold
  - InvariantResult [Line: 450]: Loop Invariant
    Derived loop invariant: 1
  - InvariantResult [Line: 879]: Loop Invariant
    Derived loop invariant: (!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(methaneLevelCritical) == 0)
  - InvariantResult [Line: 880]: Loop Invariant
    Derived loop invariant: ((!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(methaneLevelCritical) == 0)) || (\old(pumpRunning) == pumpRunning && splverifierCounter == 0)
  - InvariantResult [Line: 460]: Loop Invariant
    Derived loop invariant: 1
  - StatisticsResult: Ultimate Automizer benchmark data
    CFG has 26 procedures, 137 locations, 1 error locations. SAFE Result, 1.7s OverallTime, 5 OverallIterations, 1 TraceHistogramMax, 0.5s AutomataDifference, 0.0s DeadEndRemovalTime, 0.5s HoareAnnotationTime, HoareTripleCheckerStatistics: 638 SDtfs, 372 SDslu, 1009 SDs, 0 SdLazy, 357 SolverSat, 107 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 46 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=192occurred 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, 5 MinimizatonAttempts, 2 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 58 LocationsWithAnnotation, 319 PreInvPairs, 332 NumberOfFragments, 502 HoareAnnotationTreeSize, 319 FomulaSimplifications, 68 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 58 FomulaSimplificationsInter, 846 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 301 NumberOfCodeBlocks, 301 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 296 ConstructedInterpolants, 0 QuantifiedInterpolants, 33244 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available
RESULT: Ultimate proved your program to be correct!
Received shutdown request...