./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product51.cil.c --full-output --architecture 32bit


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


Checking for ERROR reachability
Using default analysis
Version 678e0110
Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_5dee9d47-edea-4669-ae0b-e087ff28972c/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_5dee9d47-edea-4669-ae0b-e087ff28972c/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_5dee9d47-edea-4669-ae0b-e087ff28972c/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_5dee9d47-edea-4669-ae0b-e087ff28972c/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product51.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_5dee9d47-edea-4669-ae0b-e087ff28972c/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_5dee9d47-edea-4669-ae0b-e087ff28972c/bin/ukojak --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 Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 0d6f6f11832d8f580d186172cf5d58d3f276ea91
........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................
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 0.1.24-678e011
[2019-11-20 00:15:05,055 INFO  L177        SettingsManager]: Resetting all preferences to default values...
[2019-11-20 00:15:05,057 INFO  L181        SettingsManager]: Resetting UltimateCore preferences to default values
[2019-11-20 00:15:05,067 INFO  L184        SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2019-11-20 00:15:05,068 INFO  L181        SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2019-11-20 00:15:05,068 INFO  L181        SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2019-11-20 00:15:05,070 INFO  L181        SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2019-11-20 00:15:05,072 INFO  L181        SettingsManager]: Resetting LassoRanker preferences to default values
[2019-11-20 00:15:05,074 INFO  L181        SettingsManager]: Resetting Reaching Definitions preferences to default values
[2019-11-20 00:15:05,075 INFO  L181        SettingsManager]: Resetting SyntaxChecker preferences to default values
[2019-11-20 00:15:05,075 INFO  L181        SettingsManager]: Resetting Sifa preferences to default values
[2019-11-20 00:15:05,077 INFO  L184        SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2019-11-20 00:15:05,077 INFO  L181        SettingsManager]: Resetting LTL2Aut preferences to default values
[2019-11-20 00:15:05,078 INFO  L181        SettingsManager]: Resetting PEA to Boogie preferences to default values
[2019-11-20 00:15:05,079 INFO  L181        SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2019-11-20 00:15:05,080 INFO  L181        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2019-11-20 00:15:05,081 INFO  L181        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2019-11-20 00:15:05,082 INFO  L181        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2019-11-20 00:15:05,083 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2019-11-20 00:15:05,085 INFO  L181        SettingsManager]: Resetting CodeCheck preferences to default values
[2019-11-20 00:15:05,087 INFO  L181        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2019-11-20 00:15:05,088 INFO  L181        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2019-11-20 00:15:05,089 INFO  L181        SettingsManager]: Resetting Referee preferences to default values
[2019-11-20 00:15:05,090 INFO  L181        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2019-11-20 00:15:05,092 INFO  L184        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2019-11-20 00:15:05,093 INFO  L184        SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2019-11-20 00:15:05,093 INFO  L181        SettingsManager]: Resetting TreeAutomizer preferences to default values
[2019-11-20 00:15:05,094 INFO  L181        SettingsManager]: Resetting IcfgToChc preferences to default values
[2019-11-20 00:15:05,094 INFO  L181        SettingsManager]: Resetting IcfgTransformer preferences to default values
[2019-11-20 00:15:05,095 INFO  L184        SettingsManager]: ReqToTest provides no preferences, ignoring...
[2019-11-20 00:15:05,096 INFO  L181        SettingsManager]: Resetting Boogie Printer preferences to default values
[2019-11-20 00:15:05,096 INFO  L181        SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2019-11-20 00:15:05,097 INFO  L181        SettingsManager]: Resetting ReqPrinter preferences to default values
[2019-11-20 00:15:05,098 INFO  L181        SettingsManager]: Resetting Witness Printer preferences to default values
[2019-11-20 00:15:05,099 INFO  L184        SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2019-11-20 00:15:05,099 INFO  L181        SettingsManager]: Resetting CDTParser preferences to default values
[2019-11-20 00:15:05,100 INFO  L184        SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2019-11-20 00:15:05,100 INFO  L184        SettingsManager]: ReqParser provides no preferences, ignoring...
[2019-11-20 00:15:05,100 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
[2019-11-20 00:15:05,101 INFO  L181        SettingsManager]: Resetting Witness Parser preferences to default values
[2019-11-20 00:15:05,102 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2019-11-20 00:15:05,103 INFO  L101        SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_5dee9d47-edea-4669-ae0b-e087ff28972c/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf
[2019-11-20 00:15:05,115 INFO  L113        SettingsManager]: Loading preferences was successful
[2019-11-20 00:15:05,115 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2019-11-20 00:15:05,116 INFO  L136        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2019-11-20 00:15:05,116 INFO  L138        SettingsManager]:  * Ignore calls to procedures called more than once=ALWAYS
[2019-11-20 00:15:05,117 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2019-11-20 00:15:05,117 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2019-11-20 00:15:05,117 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2019-11-20 00:15:05,118 INFO  L138        SettingsManager]:  * sizeof long=4
[2019-11-20 00:15:05,118 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2019-11-20 00:15:05,118 INFO  L138        SettingsManager]:  * sizeof POINTER=4
[2019-11-20 00:15:05,118 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2019-11-20 00:15:05,118 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2019-11-20 00:15:05,119 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2019-11-20 00:15:05,119 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2019-11-20 00:15:05,119 INFO  L138        SettingsManager]:  * sizeof long double=12
[2019-11-20 00:15:05,119 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2019-11-20 00:15:05,120 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2019-11-20 00:15:05,120 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2019-11-20 00:15:05,120 INFO  L136        SettingsManager]: Preferences of CodeCheck differ from their defaults:
[2019-11-20 00:15:05,120 INFO  L138        SettingsManager]:  * Timeout in seconds=1000000
[2019-11-20 00:15:05,120 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2019-11-20 00:15:05,121 INFO  L138        SettingsManager]:  * To the following directory=./dump/
[2019-11-20 00:15:05,121 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000
[2019-11-20 00:15:05,121 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2019-11-20 00:15:05,121 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2019-11-20 00:15:05,122 INFO  L138        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2019-11-20 00:15:05,122 INFO  L138        SettingsManager]:  * Trace refinement strategy=PENGUIN
[2019-11-20 00:15:05,122 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2019-11-20 00:15:05,122 INFO  L138        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2019-11-20 00:15:05,122 INFO  L138        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
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/run_dir_5dee9d47-edea-4669-ae0b-e087ff28972c/bin/ukojak
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 -> Kojak
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 -> 0d6f6f11832d8f580d186172cf5d58d3f276ea91
[2019-11-20 00:15:05,259 INFO  L81    nceAwareModelManager]: Repository-Root is: /tmp
[2019-11-20 00:15:05,268 INFO  L258   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2019-11-20 00:15:05,271 INFO  L214   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2019-11-20 00:15:05,272 INFO  L271        PluginConnector]: Initializing CDTParser...
[2019-11-20 00:15:05,272 INFO  L275        PluginConnector]: CDTParser initialized
[2019-11-20 00:15:05,273 INFO  L428   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_5dee9d47-edea-4669-ae0b-e087ff28972c/bin/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec1_product51.cil.c
[2019-11-20 00:15:05,333 INFO  L220              CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_5dee9d47-edea-4669-ae0b-e087ff28972c/bin/ukojak/data/c99bdbbb6/d4e014aab02c43f1bcb47507e10a6c8d/FLAG72417f7d0
[2019-11-20 00:15:05,809 INFO  L306              CDTParser]: Found 1 translation units.
[2019-11-20 00:15:05,810 INFO  L160              CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_5dee9d47-edea-4669-ae0b-e087ff28972c/sv-benchmarks/c/product-lines/minepump_spec1_product51.cil.c
[2019-11-20 00:15:05,822 INFO  L349              CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_5dee9d47-edea-4669-ae0b-e087ff28972c/bin/ukojak/data/c99bdbbb6/d4e014aab02c43f1bcb47507e10a6c8d/FLAG72417f7d0
[2019-11-20 00:15:06,295 INFO  L357              CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_5dee9d47-edea-4669-ae0b-e087ff28972c/bin/ukojak/data/c99bdbbb6/d4e014aab02c43f1bcb47507e10a6c8d
[2019-11-20 00:15:06,298 INFO  L296   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2019-11-20 00:15:06,299 INFO  L131        ToolchainWalker]: Walking toolchain with 6 elements.
[2019-11-20 00:15:06,299 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2019-11-20 00:15:06,299 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2019-11-20 00:15:06,302 INFO  L275        PluginConnector]: CACSL2BoogieTranslator initialized
[2019-11-20 00:15:06,303 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 12:15:06" (1/1) ...
[2019-11-20 00:15:06,305 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3440089a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:15:06, skipping insertion in model container
[2019-11-20 00:15:06,305 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 12:15:06" (1/1) ...
[2019-11-20 00:15:06,312 INFO  L142         MainTranslator]: Starting translation in SV-COMP mode 
[2019-11-20 00:15:06,361 INFO  L173         MainTranslator]: Built tables and reachable declarations
[2019-11-20 00:15:06,661 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2019-11-20 00:15:06,672 INFO  L188         MainTranslator]: Completed pre-run
[2019-11-20 00:15:06,739 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2019-11-20 00:15:06,774 INFO  L192         MainTranslator]: Completed translation
[2019-11-20 00:15:06,774 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:15:06 WrapperNode
[2019-11-20 00:15:06,775 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2019-11-20 00:15:06,775 INFO  L113        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2019-11-20 00:15:06,776 INFO  L271        PluginConnector]: Initializing Boogie Procedure Inliner...
[2019-11-20 00:15:06,776 INFO  L275        PluginConnector]: Boogie Procedure Inliner initialized
[2019-11-20 00:15:06,783 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:15:06" (1/1) ...
[2019-11-20 00:15:06,799 INFO  L185        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:15:06" (1/1) ...
[2019-11-20 00:15:06,827 INFO  L132        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2019-11-20 00:15:06,827 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2019-11-20 00:15:06,828 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2019-11-20 00:15:06,828 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2019-11-20 00:15:06,836 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:15:06" (1/1) ...
[2019-11-20 00:15:06,837 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:15:06" (1/1) ...
[2019-11-20 00:15:06,840 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:15:06" (1/1) ...
[2019-11-20 00:15:06,840 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:15:06" (1/1) ...
[2019-11-20 00:15:06,848 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:15:06" (1/1) ...
[2019-11-20 00:15:06,853 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:15:06" (1/1) ...
[2019-11-20 00:15:06,855 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:15:06" (1/1) ...
[2019-11-20 00:15:06,858 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2019-11-20 00:15:06,859 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2019-11-20 00:15:06,859 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2019-11-20 00:15:06,859 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2019-11-20 00:15:06,860 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:15:06" (1/1) ...
No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_5dee9d47-edea-4669-ae0b-e087ff28972c/bin/ukojak/z3
Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (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:10000
[2019-11-20 00:15:06,925 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2019-11-20 00:15:06,925 INFO  L130     BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base
[2019-11-20 00:15:06,925 INFO  L138     BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base
[2019-11-20 00:15:06,926 INFO  L130     BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical
[2019-11-20 00:15:06,926 INFO  L138     BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical
[2019-11-20 00:15:06,926 INFO  L130     BoogieDeclarations]: Found specification of procedure cleanup
[2019-11-20 00:15:06,926 INFO  L138     BoogieDeclarations]: Found implementation of procedure cleanup
[2019-11-20 00:15:06,926 INFO  L130     BoogieDeclarations]: Found specification of procedure timeShift
[2019-11-20 00:15:06,926 INFO  L138     BoogieDeclarations]: Found implementation of procedure timeShift
[2019-11-20 00:15:06,926 INFO  L130     BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor
[2019-11-20 00:15:06,927 INFO  L138     BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor
[2019-11-20 00:15:06,927 INFO  L130     BoogieDeclarations]: Found specification of procedure waterRise
[2019-11-20 00:15:06,927 INFO  L138     BoogieDeclarations]: Found implementation of procedure waterRise
[2019-11-20 00:15:06,927 INFO  L130     BoogieDeclarations]: Found specification of procedure deactivatePump
[2019-11-20 00:15:06,927 INFO  L138     BoogieDeclarations]: Found implementation of procedure deactivatePump
[2019-11-20 00:15:06,927 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int
[2019-11-20 00:15:06,928 INFO  L130     BoogieDeclarations]: Found specification of procedure changeMethaneLevel
[2019-11-20 00:15:06,928 INFO  L138     BoogieDeclarations]: Found implementation of procedure changeMethaneLevel
[2019-11-20 00:15:06,928 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2019-11-20 00:15:06,928 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2019-11-20 00:15:07,956 INFO  L280             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2019-11-20 00:15:07,957 INFO  L285             CfgBuilder]: Removed 40 assume(true) statements.
[2019-11-20 00:15:07,958 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 12:15:07 BoogieIcfgContainer
[2019-11-20 00:15:07,958 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2019-11-20 00:15:07,958 INFO  L113        PluginConnector]: ------------------------CodeCheck----------------------------
[2019-11-20 00:15:07,958 INFO  L271        PluginConnector]: Initializing CodeCheck...
[2019-11-20 00:15:07,970 INFO  L275        PluginConnector]: CodeCheck initialized
[2019-11-20 00:15:07,970 INFO  L185        PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 12:15:07" (1/1) ...
[2019-11-20 00:15:07,984 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2019-11-20 00:15:08,018 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2019-11-20 00:15:08,030 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 61 states and 82 transitions.
[2019-11-20 00:15:08,031 INFO  L276                IsEmpty]: Start isEmpty. Operand 61 states and 82 transitions.
[2019-11-20 00:15:08,039 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 17
[2019-11-20 00:15:08,039 INFO  L428      CodeCheckObserver]: Error Path is FOUND.
[2019-11-20 00:15:08,221 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-20 00:15:08,290 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2019-11-20 00:15:08,302 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2019-11-20 00:15:08,303 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 61 states and 80 transitions.
[2019-11-20 00:15:08,304 INFO  L276                IsEmpty]: Start isEmpty. Operand 61 states and 80 transitions.
[2019-11-20 00:15:08,305 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 18
[2019-11-20 00:15:08,305 INFO  L428      CodeCheckObserver]: Error Path is FOUND.
[2019-11-20 00:15:08,336 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-20 00:15:08,385 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2019-11-20 00:15:08,408 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2019-11-20 00:15:08,410 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 63 states and 83 transitions.
[2019-11-20 00:15:08,410 INFO  L276                IsEmpty]: Start isEmpty. Operand 63 states and 83 transitions.
[2019-11-20 00:15:08,412 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 21
[2019-11-20 00:15:08,412 INFO  L428      CodeCheckObserver]: Error Path is FOUND.
[2019-11-20 00:15:08,438 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-20 00:15:08,483 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2019-11-20 00:15:08,683 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2019-11-20 00:15:08,685 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 73 states and 104 transitions.
[2019-11-20 00:15:08,685 INFO  L276                IsEmpty]: Start isEmpty. Operand 73 states and 104 transitions.
[2019-11-20 00:15:08,686 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 22
[2019-11-20 00:15:08,686 INFO  L428      CodeCheckObserver]: Error Path is FOUND.
[2019-11-20 00:15:08,733 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-20 00:15:08,778 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2019-11-20 00:15:08,783 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2019-11-20 00:15:08,796 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 74 states and 105 transitions.
[2019-11-20 00:15:08,796 INFO  L276                IsEmpty]: Start isEmpty. Operand 74 states and 105 transitions.
[2019-11-20 00:15:08,798 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 24
[2019-11-20 00:15:08,798 INFO  L428      CodeCheckObserver]: Error Path is FOUND.
[2019-11-20 00:15:08,837 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-20 00:15:08,859 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2019-11-20 00:15:08,867 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2019-11-20 00:15:08,869 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 75 states and 106 transitions.
[2019-11-20 00:15:08,869 INFO  L276                IsEmpty]: Start isEmpty. Operand 75 states and 106 transitions.
[2019-11-20 00:15:08,870 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 24
[2019-11-20 00:15:08,871 INFO  L428      CodeCheckObserver]: Error Path is FOUND.
[2019-11-20 00:15:08,888 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-20 00:15:08,914 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2019-11-20 00:15:08,934 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2019-11-20 00:15:08,935 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 76 states and 107 transitions.
[2019-11-20 00:15:08,935 INFO  L276                IsEmpty]: Start isEmpty. Operand 76 states and 107 transitions.
[2019-11-20 00:15:08,937 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 24
[2019-11-20 00:15:08,937 INFO  L428      CodeCheckObserver]: Error Path is FOUND.
[2019-11-20 00:15:08,953 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-20 00:15:09,049 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2019-11-20 00:15:09,617 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2019-11-20 00:15:09,619 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 93 states and 145 transitions.
[2019-11-20 00:15:09,619 INFO  L276                IsEmpty]: Start isEmpty. Operand 93 states and 145 transitions.
[2019-11-20 00:15:09,621 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 26
[2019-11-20 00:15:09,621 INFO  L428      CodeCheckObserver]: Error Path is FOUND.
[2019-11-20 00:15:09,650 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-20 00:15:09,721 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2019-11-20 00:15:10,278 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2019-11-20 00:15:10,280 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 104 states and 173 transitions.
[2019-11-20 00:15:10,280 INFO  L276                IsEmpty]: Start isEmpty. Operand 104 states and 173 transitions.
[2019-11-20 00:15:10,301 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 27
[2019-11-20 00:15:10,301 INFO  L428      CodeCheckObserver]: Error Path is FOUND.
[2019-11-20 00:15:10,323 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-20 00:15:10,357 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2019-11-20 00:15:10,364 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2019-11-20 00:15:10,366 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 105 states and 174 transitions.
[2019-11-20 00:15:10,366 INFO  L276                IsEmpty]: Start isEmpty. Operand 105 states and 174 transitions.
[2019-11-20 00:15:10,372 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 29
[2019-11-20 00:15:10,372 INFO  L428      CodeCheckObserver]: Error Path is FOUND.
[2019-11-20 00:15:10,392 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-20 00:15:10,412 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2019-11-20 00:15:10,430 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2019-11-20 00:15:10,432 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 106 states and 177 transitions.
[2019-11-20 00:15:10,432 INFO  L276                IsEmpty]: Start isEmpty. Operand 106 states and 177 transitions.
[2019-11-20 00:15:10,433 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 29
[2019-11-20 00:15:10,433 INFO  L428      CodeCheckObserver]: Error Path is FOUND.
[2019-11-20 00:15:10,448 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-20 00:15:10,471 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2019-11-20 00:15:10,600 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2019-11-20 00:15:10,601 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 110 states and 184 transitions.
[2019-11-20 00:15:10,601 INFO  L276                IsEmpty]: Start isEmpty. Operand 110 states and 184 transitions.
[2019-11-20 00:15:10,602 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 29
[2019-11-20 00:15:10,602 INFO  L428      CodeCheckObserver]: Error Path is FOUND.
[2019-11-20 00:15:10,614 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-20 00:15:10,630 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2019-11-20 00:15:10,652 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2019-11-20 00:15:10,653 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 111 states and 185 transitions.
[2019-11-20 00:15:10,653 INFO  L276                IsEmpty]: Start isEmpty. Operand 111 states and 185 transitions.
[2019-11-20 00:15:10,654 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 27
[2019-11-20 00:15:10,654 INFO  L428      CodeCheckObserver]: Error Path is FOUND.
[2019-11-20 00:15:10,666 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-20 00:15:10,685 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2019-11-20 00:15:10,702 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2019-11-20 00:15:10,703 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 112 states and 186 transitions.
[2019-11-20 00:15:10,703 INFO  L276                IsEmpty]: Start isEmpty. Operand 112 states and 186 transitions.
[2019-11-20 00:15:10,705 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 27
[2019-11-20 00:15:10,706 INFO  L428      CodeCheckObserver]: Error Path is FOUND.
[2019-11-20 00:15:10,756 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-20 00:15:10,847 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2019-11-20 00:15:11,481 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2019-11-20 00:15:11,483 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 123 states and 207 transitions.
[2019-11-20 00:15:11,483 INFO  L276                IsEmpty]: Start isEmpty. Operand 123 states and 207 transitions.
[2019-11-20 00:15:11,484 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 34
[2019-11-20 00:15:11,484 INFO  L428      CodeCheckObserver]: Error Path is FOUND.
[2019-11-20 00:15:11,496 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-20 00:15:11,571 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2019-11-20 00:15:11,777 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2019-11-20 00:15:11,778 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 126 states and 215 transitions.
[2019-11-20 00:15:11,778 INFO  L276                IsEmpty]: Start isEmpty. Operand 126 states and 215 transitions.
[2019-11-20 00:15:11,779 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 27
[2019-11-20 00:15:11,779 INFO  L428      CodeCheckObserver]: Error Path is FOUND.
[2019-11-20 00:15:11,790 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-20 00:15:11,811 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2019-11-20 00:15:11,960 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2019-11-20 00:15:11,961 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 127 states and 216 transitions.
[2019-11-20 00:15:11,962 INFO  L276                IsEmpty]: Start isEmpty. Operand 127 states and 216 transitions.
[2019-11-20 00:15:11,962 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 28
[2019-11-20 00:15:11,962 INFO  L428      CodeCheckObserver]: Error Path is FOUND.
[2019-11-20 00:15:11,975 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-20 00:15:12,286 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2019-11-20 00:15:13,440 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2019-11-20 00:15:13,442 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 141 states and 257 transitions.
[2019-11-20 00:15:13,442 INFO  L276                IsEmpty]: Start isEmpty. Operand 141 states and 257 transitions.
[2019-11-20 00:15:13,443 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 30
[2019-11-20 00:15:13,444 INFO  L428      CodeCheckObserver]: Error Path is FOUND.
[2019-11-20 00:15:13,456 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-20 00:15:13,628 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2019-11-20 00:15:14,088 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2019-11-20 00:15:14,090 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 143 states and 262 transitions.
[2019-11-20 00:15:14,090 INFO  L276                IsEmpty]: Start isEmpty. Operand 143 states and 262 transitions.
[2019-11-20 00:15:14,091 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 31
[2019-11-20 00:15:14,091 INFO  L428      CodeCheckObserver]: Error Path is FOUND.
[2019-11-20 00:15:14,106 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-20 00:15:14,120 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2019-11-20 00:15:14,417 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2019-11-20 00:15:14,418 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 148 states and 270 transitions.
[2019-11-20 00:15:14,419 INFO  L276                IsEmpty]: Start isEmpty. Operand 148 states and 270 transitions.
[2019-11-20 00:15:14,420 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 34
[2019-11-20 00:15:14,420 INFO  L428      CodeCheckObserver]: Error Path is FOUND.
[2019-11-20 00:15:14,445 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-20 00:15:14,462 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2019-11-20 00:15:14,876 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2019-11-20 00:15:14,878 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 148 states and 268 transitions.
[2019-11-20 00:15:14,878 INFO  L276                IsEmpty]: Start isEmpty. Operand 148 states and 268 transitions.
[2019-11-20 00:15:14,879 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 31
[2019-11-20 00:15:14,879 INFO  L428      CodeCheckObserver]: Error Path is FOUND.
[2019-11-20 00:15:14,897 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-20 00:15:14,914 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2019-11-20 00:15:15,258 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2019-11-20 00:15:15,260 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 150 states and 274 transitions.
[2019-11-20 00:15:15,260 INFO  L276                IsEmpty]: Start isEmpty. Operand 150 states and 274 transitions.
[2019-11-20 00:15:15,261 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 29
[2019-11-20 00:15:15,261 INFO  L428      CodeCheckObserver]: Error Path is FOUND.
[2019-11-20 00:15:15,271 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-20 00:15:15,282 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2019-11-20 00:15:15,566 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2019-11-20 00:15:15,567 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 153 states and 282 transitions.
[2019-11-20 00:15:15,568 INFO  L276                IsEmpty]: Start isEmpty. Operand 153 states and 282 transitions.
[2019-11-20 00:15:15,569 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 29
[2019-11-20 00:15:15,569 INFO  L428      CodeCheckObserver]: Error Path is FOUND.
[2019-11-20 00:15:15,581 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-20 00:15:15,608 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2019-11-20 00:15:15,626 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2019-11-20 00:15:15,627 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 154 states and 283 transitions.
[2019-11-20 00:15:15,628 INFO  L276                IsEmpty]: Start isEmpty. Operand 154 states and 283 transitions.
[2019-11-20 00:15:15,629 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 31
[2019-11-20 00:15:15,629 INFO  L428      CodeCheckObserver]: Error Path is FOUND.
[2019-11-20 00:15:15,653 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-20 00:15:15,681 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2019-11-20 00:15:16,104 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2019-11-20 00:15:16,105 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 159 states and 291 transitions.
[2019-11-20 00:15:16,106 INFO  L276                IsEmpty]: Start isEmpty. Operand 159 states and 291 transitions.
[2019-11-20 00:15:16,106 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 31
[2019-11-20 00:15:16,107 INFO  L428      CodeCheckObserver]: Error Path is FOUND.
[2019-11-20 00:15:16,125 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-20 00:15:16,153 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2019-11-20 00:15:16,252 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2019-11-20 00:15:16,254 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 162 states and 297 transitions.
[2019-11-20 00:15:16,254 INFO  L276                IsEmpty]: Start isEmpty. Operand 162 states and 297 transitions.
[2019-11-20 00:15:16,255 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 32
[2019-11-20 00:15:16,256 INFO  L428      CodeCheckObserver]: Error Path is FOUND.
[2019-11-20 00:15:16,270 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-20 00:15:16,304 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2019-11-20 00:15:16,358 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2019-11-20 00:15:16,361 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 163 states and 298 transitions.
[2019-11-20 00:15:16,361 INFO  L276                IsEmpty]: Start isEmpty. Operand 163 states and 298 transitions.
[2019-11-20 00:15:16,362 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 34
[2019-11-20 00:15:16,363 INFO  L428      CodeCheckObserver]: Error Path is FOUND.
[2019-11-20 00:15:16,416 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2019-11-20 00:15:16,467 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2019-11-20 00:15:16,607 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2019-11-20 00:15:16,665 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2019-11-20 00:15:16,745 WARN  L483      CodeCheckObserver]: This program is UNSAFE, Check terminated with 27 iterations.
[2019-11-20 00:15:16,887 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 20.11 12:15:16 ImpRootNode
[2019-11-20 00:15:16,888 INFO  L132        PluginConnector]: ------------------------ END CodeCheck----------------------------
[2019-11-20 00:15:16,888 INFO  L113        PluginConnector]: ------------------------Witness Printer----------------------------
[2019-11-20 00:15:16,888 INFO  L271        PluginConnector]: Initializing Witness Printer...
[2019-11-20 00:15:16,888 INFO  L275        PluginConnector]: Witness Printer initialized
[2019-11-20 00:15:16,889 INFO  L185        PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 12:15:07" (3/4) ...
[2019-11-20 00:15:16,891 INFO  L131         WitnessPrinter]: Generating witness for reachability counterexample
[2019-11-20 00:15:17,021 INFO  L141         WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_5dee9d47-edea-4669-ae0b-e087ff28972c/bin/ukojak/witness.graphml
[2019-11-20 00:15:17,021 INFO  L132        PluginConnector]: ------------------------ END Witness Printer----------------------------
[2019-11-20 00:15:17,023 INFO  L168              Benchmark]: Toolchain (without parser) took 10723.50 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 321.9 MB). Free memory was 948.8 MB in the beginning and 1.2 GB in the end (delta: -243.9 MB). Peak memory consumption was 78.0 MB. Max. memory is 11.5 GB.
[2019-11-20 00:15:17,023 INFO  L168              Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 967.6 MB. There was no memory consumed. Max. memory is 11.5 GB.
[2019-11-20 00:15:17,024 INFO  L168              Benchmark]: CACSL2BoogieTranslator took 475.82 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.2 MB). Free memory was 943.4 MB in the beginning and 1.1 GB in the end (delta: -166.1 MB). Peak memory consumption was 18.0 MB. Max. memory is 11.5 GB.
[2019-11-20 00:15:17,024 INFO  L168              Benchmark]: Boogie Procedure Inliner took 51.81 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.
[2019-11-20 00:15:17,025 INFO  L168              Benchmark]: Boogie Preprocessor took 31.29 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.
[2019-11-20 00:15:17,025 INFO  L168              Benchmark]: RCFGBuilder took 1099.04 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 88.1 MB). Peak memory consumption was 88.1 MB. Max. memory is 11.5 GB.
[2019-11-20 00:15:17,025 INFO  L168              Benchmark]: CodeCheck took 8929.41 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 188.7 MB). Free memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: -193.5 MB). There was no memory consumed. Max. memory is 11.5 GB.
[2019-11-20 00:15:17,026 INFO  L168              Benchmark]: Witness Printer took 132.93 ms. Allocated memory is still 1.4 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 22.2 MB). Peak memory consumption was 22.2 MB. Max. memory is 11.5 GB.
[2019-11-20 00:15:17,028 INFO  L335   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck:
  - StatisticsResult: Ultimate CodeCheck benchmark data
    CFG has 9 procedures, 61 locations, 1 error locations. Result: UNSAFE, OverallTime: 8.7s, OverallIterations: 27, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 1463716104 SDtfs, 490816688 SDslu, 774668084 SDs, 0 SdLazy, 539900688 SolverSat, 165872584 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 10.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 6481 GetRequests, 6317 SyntacticMatches, 28 SemanticMatches, 136 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7315 ImplicationChecksByTransitivity, 5.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 1.3s InterpolantComputationTime, 718 NumberOfCodeBlocks, 718 NumberOfCodeBlocksAsserted, 27 NumberOfCheckSat, 659 ConstructedInterpolants, 0 QuantifiedInterpolants, 46182 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 26 InterpolantComputations, 26 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available
  - CounterExampleResult [Line: 704]: a call of __VERIFIER_error() is reachable
    a call of __VERIFIER_error() is reachable
We found a FailurePath: 
[L121]              int pumpRunning  =    0;
[L122]              int systemActive  =    1;
[L503]              static struct __ACC__ERR *head  =    (struct __ACC__ERR *)0;
[L773]              int cleanupTimeShifts  =    4;
[L870]              int waterLevel  =    1;
[L871]              int methaneLevelCritical  =    0;
[L846]              int retValue_acc ;
[L847]              int tmp ;
[L738]              int retValue_acc ;
[L741]              retValue_acc = 1
[L742]              return (retValue_acc);
[L853]              tmp = valid_product()
[L855]  COND TRUE   \read(tmp)
[L46]               int splverifierCounter ;
[L47]               int tmp ;
[L48]               int tmp___0 ;
[L49]               int tmp___1 ;
[L50]               int tmp___2 ;
[L53]               splverifierCounter = 0
        VAL         [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1]
[L55]   COND TRUE   1
        VAL         [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1]
[L57]   COND TRUE   splverifierCounter < 4
[L63]               tmp = __VERIFIER_nondet_int()
[L65]   COND TRUE   \read(tmp)
        VAL         [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1]
[L67]   CALL        waterRise()
        VAL         [\old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1]
[L888]  COND TRUE   waterLevel < 2
[L889]              waterLevel = waterLevel + 1
[L67]   RET         waterRise()
        VAL         [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2]
[L73]               tmp___0 = __VERIFIER_nondet_int()
[L75]   COND TRUE   \read(tmp___0)
        VAL         [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2]
[L77]   CALL        changeMethaneLevel()
        VAL         [\old(methaneLevelCritical)=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2]
[L900]  COND FALSE  !(\read(methaneLevelCritical))
[L903]              methaneLevelCritical = 1
[L77]   RET         changeMethaneLevel()
        VAL         [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2]
[L83]               tmp___2 = __VERIFIER_nondet_int()
[L85]   COND TRUE   \read(tmp___2)
        VAL         [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2]
[L100]  CALL        timeShift()
        VAL         [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2]
[L129]  COND FALSE  !(\read(pumpRunning))
        VAL         [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2]
[L136]  COND TRUE   \read(systemActive)
[L184]              int tmp ;
        VAL         [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2]
[L187]  COND FALSE  !(\read(pumpRunning))
        VAL         [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2]
[L202]  CALL        processEnvironment__wrappee__highWaterSensor()
        VAL         [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2]
[L158]              int tmp ;
        VAL         [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2]
[L161]  COND TRUE   ! pumpRunning
[L281]              int retValue_acc ;
[L282]              int tmp ;
[L283]              int tmp___0 ;
[L950]              int retValue_acc ;
[L953]  COND FALSE  !(waterLevel < 2)
[L957]              retValue_acc = 0
[L958]              return (retValue_acc);
[L287]              tmp = isHighWaterSensorDry()
[L289]  COND FALSE  !(\read(tmp))
[L292]              tmp___0 = 1
[L294]              retValue_acc = tmp___0
[L295]              return (retValue_acc);
[L163]              tmp = isHighWaterLevel()
[L165]  COND TRUE   \read(tmp)
[L212]              pumpRunning = 1
        VAL         [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2]
[L202]  RET         processEnvironment__wrappee__highWaterSensor()
        VAL         [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2]
[L748]              int tmp ;
[L749]              int tmp___0 ;
        VAL         [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2]
[L753]  CALL, EXPR  isMethaneLevelCritical()
        VAL         [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2]
[L909]              int retValue_acc ;
[L912]              retValue_acc = methaneLevelCritical
[L913]              return (retValue_acc);
[L753]  RET, EXPR   isMethaneLevelCritical()
        VAL         [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2]
[L753]              tmp = isMethaneLevelCritical()
[L755]  COND TRUE   \read(tmp)
[L236]              int retValue_acc ;
[L239]              retValue_acc = pumpRunning
[L240]              return (retValue_acc);
[L757]              tmp___0 = isPumpRunning()
[L759]  COND TRUE   \read(tmp___0)
        VAL         [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2]
[L704]              __VERIFIER_error()
        VAL         [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2]

 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 967.6 MB. There was no memory consumed. Max. memory is 11.5 GB.
 * CACSL2BoogieTranslator took 475.82 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.2 MB). Free memory was 943.4 MB in the beginning and 1.1 GB in the end (delta: -166.1 MB). Peak memory consumption was 18.0 MB. Max. memory is 11.5 GB.
 * Boogie Procedure Inliner took 51.81 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 31.29 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.
 * RCFGBuilder took 1099.04 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 88.1 MB). Peak memory consumption was 88.1 MB. Max. memory is 11.5 GB.
 * CodeCheck took 8929.41 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 188.7 MB). Free memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: -193.5 MB). There was no memory consumed. Max. memory is 11.5 GB.
 * Witness Printer took 132.93 ms. Allocated memory is still 1.4 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 22.2 MB). Peak memory consumption was 22.2 MB. Max. memory is 11.5 GB.
RESULT: Ultimate proved your program to be incorrect!
Received shutdown request...