./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product33.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_5b3938cf-25be-4dd3-bd9d-764838488640/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_5b3938cf-25be-4dd3-bd9d-764838488640/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_5b3938cf-25be-4dd3-bd9d-764838488640/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_5b3938cf-25be-4dd3-bd9d-764838488640/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product33.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_5b3938cf-25be-4dd3-bd9d-764838488640/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_5b3938cf-25be-4dd3-bd9d-764838488640/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 7aed16b7a73618bd36d72dc3243e4d7bd764fb49
................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................
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 11:11:42,785 INFO  L177        SettingsManager]: Resetting all preferences to default values...
[2019-11-20 11:11:42,787 INFO  L181        SettingsManager]: Resetting UltimateCore preferences to default values
[2019-11-20 11:11:42,801 INFO  L184        SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2019-11-20 11:11:42,801 INFO  L181        SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2019-11-20 11:11:42,803 INFO  L181        SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2019-11-20 11:11:42,804 INFO  L181        SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2019-11-20 11:11:42,812 INFO  L181        SettingsManager]: Resetting LassoRanker preferences to default values
[2019-11-20 11:11:42,817 INFO  L181        SettingsManager]: Resetting Reaching Definitions preferences to default values
[2019-11-20 11:11:42,821 INFO  L181        SettingsManager]: Resetting SyntaxChecker preferences to default values
[2019-11-20 11:11:42,822 INFO  L181        SettingsManager]: Resetting Sifa preferences to default values
[2019-11-20 11:11:42,823 INFO  L184        SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2019-11-20 11:11:42,823 INFO  L181        SettingsManager]: Resetting LTL2Aut preferences to default values
[2019-11-20 11:11:42,825 INFO  L181        SettingsManager]: Resetting PEA to Boogie preferences to default values
[2019-11-20 11:11:42,826 INFO  L181        SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2019-11-20 11:11:42,827 INFO  L181        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2019-11-20 11:11:42,828 INFO  L181        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2019-11-20 11:11:42,829 INFO  L181        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2019-11-20 11:11:42,831 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2019-11-20 11:11:42,835 INFO  L181        SettingsManager]: Resetting CodeCheck preferences to default values
[2019-11-20 11:11:42,838 INFO  L181        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2019-11-20 11:11:42,840 INFO  L181        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2019-11-20 11:11:42,843 INFO  L181        SettingsManager]: Resetting Referee preferences to default values
[2019-11-20 11:11:42,844 INFO  L181        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2019-11-20 11:11:42,846 INFO  L184        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2019-11-20 11:11:42,847 INFO  L184        SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2019-11-20 11:11:42,847 INFO  L181        SettingsManager]: Resetting TreeAutomizer preferences to default values
[2019-11-20 11:11:42,848 INFO  L181        SettingsManager]: Resetting IcfgToChc preferences to default values
[2019-11-20 11:11:42,849 INFO  L181        SettingsManager]: Resetting IcfgTransformer preferences to default values
[2019-11-20 11:11:42,849 INFO  L184        SettingsManager]: ReqToTest provides no preferences, ignoring...
[2019-11-20 11:11:42,850 INFO  L181        SettingsManager]: Resetting Boogie Printer preferences to default values
[2019-11-20 11:11:42,850 INFO  L181        SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2019-11-20 11:11:42,851 INFO  L181        SettingsManager]: Resetting ReqPrinter preferences to default values
[2019-11-20 11:11:42,852 INFO  L181        SettingsManager]: Resetting Witness Printer preferences to default values
[2019-11-20 11:11:42,852 INFO  L184        SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2019-11-20 11:11:42,852 INFO  L181        SettingsManager]: Resetting CDTParser preferences to default values
[2019-11-20 11:11:42,853 INFO  L184        SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2019-11-20 11:11:42,853 INFO  L184        SettingsManager]: ReqParser provides no preferences, ignoring...
[2019-11-20 11:11:42,854 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
[2019-11-20 11:11:42,854 INFO  L181        SettingsManager]: Resetting Witness Parser preferences to default values
[2019-11-20 11:11:42,856 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2019-11-20 11:11:42,856 INFO  L101        SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_5b3938cf-25be-4dd3-bd9d-764838488640/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf
[2019-11-20 11:11:42,882 INFO  L113        SettingsManager]: Loading preferences was successful
[2019-11-20 11:11:42,882 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2019-11-20 11:11:42,883 INFO  L136        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2019-11-20 11:11:42,883 INFO  L138        SettingsManager]:  * Ignore calls to procedures called more than once=ALWAYS
[2019-11-20 11:11:42,883 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2019-11-20 11:11:42,883 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2019-11-20 11:11:42,884 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2019-11-20 11:11:42,884 INFO  L138        SettingsManager]:  * sizeof long=4
[2019-11-20 11:11:42,884 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2019-11-20 11:11:42,884 INFO  L138        SettingsManager]:  * sizeof POINTER=4
[2019-11-20 11:11:42,884 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2019-11-20 11:11:42,885 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2019-11-20 11:11:42,885 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2019-11-20 11:11:42,885 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2019-11-20 11:11:42,885 INFO  L138        SettingsManager]:  * sizeof long double=12
[2019-11-20 11:11:42,885 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2019-11-20 11:11:42,885 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2019-11-20 11:11:42,886 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2019-11-20 11:11:42,886 INFO  L136        SettingsManager]: Preferences of CodeCheck differ from their defaults:
[2019-11-20 11:11:42,886 INFO  L138        SettingsManager]:  * Timeout in seconds=1000000
[2019-11-20 11:11:42,886 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2019-11-20 11:11:42,886 INFO  L138        SettingsManager]:  * To the following directory=./dump/
[2019-11-20 11:11:42,887 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000
[2019-11-20 11:11:42,887 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2019-11-20 11:11:42,887 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2019-11-20 11:11:42,887 INFO  L138        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2019-11-20 11:11:42,887 INFO  L138        SettingsManager]:  * Trace refinement strategy=PENGUIN
[2019-11-20 11:11:42,888 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2019-11-20 11:11:42,888 INFO  L138        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2019-11-20 11:11:42,888 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_5b3938cf-25be-4dd3-bd9d-764838488640/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 -> 7aed16b7a73618bd36d72dc3243e4d7bd764fb49
[2019-11-20 11:11:43,044 INFO  L81    nceAwareModelManager]: Repository-Root is: /tmp
[2019-11-20 11:11:43,058 INFO  L258   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2019-11-20 11:11:43,061 INFO  L214   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2019-11-20 11:11:43,062 INFO  L271        PluginConnector]: Initializing CDTParser...
[2019-11-20 11:11:43,062 INFO  L275        PluginConnector]: CDTParser initialized
[2019-11-20 11:11:43,063 INFO  L428   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_5b3938cf-25be-4dd3-bd9d-764838488640/bin/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec2_product33.cil.c
[2019-11-20 11:11:43,117 INFO  L220              CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_5b3938cf-25be-4dd3-bd9d-764838488640/bin/ukojak/data/8c52730ea/5a1da2acaa6942cfaf14befc546a5da6/FLAGe749dc8a5
[2019-11-20 11:11:43,605 INFO  L306              CDTParser]: Found 1 translation units.
[2019-11-20 11:11:43,606 INFO  L160              CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_5b3938cf-25be-4dd3-bd9d-764838488640/sv-benchmarks/c/product-lines/minepump_spec2_product33.cil.c
[2019-11-20 11:11:43,630 INFO  L349              CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_5b3938cf-25be-4dd3-bd9d-764838488640/bin/ukojak/data/8c52730ea/5a1da2acaa6942cfaf14befc546a5da6/FLAGe749dc8a5
[2019-11-20 11:11:44,133 INFO  L357              CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_5b3938cf-25be-4dd3-bd9d-764838488640/bin/ukojak/data/8c52730ea/5a1da2acaa6942cfaf14befc546a5da6
[2019-11-20 11:11:44,137 INFO  L296   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2019-11-20 11:11:44,139 INFO  L131        ToolchainWalker]: Walking toolchain with 6 elements.
[2019-11-20 11:11:44,145 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2019-11-20 11:11:44,145 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2019-11-20 11:11:44,148 INFO  L275        PluginConnector]: CACSL2BoogieTranslator initialized
[2019-11-20 11:11:44,149 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:11:44" (1/1) ...
[2019-11-20 11:11:44,154 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@407055d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:11:44, skipping insertion in model container
[2019-11-20 11:11:44,154 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:11:44" (1/1) ...
[2019-11-20 11:11:44,160 INFO  L142         MainTranslator]: Starting translation in SV-COMP mode 
[2019-11-20 11:11:44,199 INFO  L173         MainTranslator]: Built tables and reachable declarations
[2019-11-20 11:11:44,549 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2019-11-20 11:11:44,566 INFO  L188         MainTranslator]: Completed pre-run
[2019-11-20 11:11:44,693 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2019-11-20 11:11:44,731 INFO  L192         MainTranslator]: Completed translation
[2019-11-20 11:11:44,731 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:11:44 WrapperNode
[2019-11-20 11:11:44,731 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2019-11-20 11:11:44,732 INFO  L113        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2019-11-20 11:11:44,732 INFO  L271        PluginConnector]: Initializing Boogie Procedure Inliner...
[2019-11-20 11:11:44,732 INFO  L275        PluginConnector]: Boogie Procedure Inliner initialized
[2019-11-20 11:11:44,740 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:11:44" (1/1) ...
[2019-11-20 11:11:44,757 INFO  L185        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:11:44" (1/1) ...
[2019-11-20 11:11:44,793 INFO  L132        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2019-11-20 11:11:44,793 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2019-11-20 11:11:44,793 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2019-11-20 11:11:44,794 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2019-11-20 11:11:44,806 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:11:44" (1/1) ...
[2019-11-20 11:11:44,807 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:11:44" (1/1) ...
[2019-11-20 11:11:44,810 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:11:44" (1/1) ...
[2019-11-20 11:11:44,810 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:11:44" (1/1) ...
[2019-11-20 11:11:44,835 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:11:44" (1/1) ...
[2019-11-20 11:11:44,840 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:11:44" (1/1) ...
[2019-11-20 11:11:44,842 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:11:44" (1/1) ...
[2019-11-20 11:11:44,845 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2019-11-20 11:11:44,845 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2019-11-20 11:11:44,845 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2019-11-20 11:11:44,845 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2019-11-20 11:11:44,846 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:11:44" (1/1) ...
No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_5b3938cf-25be-4dd3-bd9d-764838488640/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 11:11:44,926 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2019-11-20 11:11:44,926 INFO  L130     BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base
[2019-11-20 11:11:44,926 INFO  L138     BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base
[2019-11-20 11:11:44,927 INFO  L130     BoogieDeclarations]: Found specification of procedure timeShift
[2019-11-20 11:11:44,927 INFO  L138     BoogieDeclarations]: Found implementation of procedure timeShift
[2019-11-20 11:11:44,927 INFO  L130     BoogieDeclarations]: Found specification of procedure cleanup
[2019-11-20 11:11:44,927 INFO  L138     BoogieDeclarations]: Found implementation of procedure cleanup
[2019-11-20 11:11:44,927 INFO  L130     BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical
[2019-11-20 11:11:44,927 INFO  L138     BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical
[2019-11-20 11:11:44,928 INFO  L130     BoogieDeclarations]: Found specification of procedure waterRise
[2019-11-20 11:11:44,928 INFO  L138     BoogieDeclarations]: Found implementation of procedure waterRise
[2019-11-20 11:11:44,928 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int
[2019-11-20 11:11:44,928 INFO  L130     BoogieDeclarations]: Found specification of procedure changeMethaneLevel
[2019-11-20 11:11:44,928 INFO  L138     BoogieDeclarations]: Found implementation of procedure changeMethaneLevel
[2019-11-20 11:11:44,929 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2019-11-20 11:11:44,929 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2019-11-20 11:11:46,011 INFO  L280             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2019-11-20 11:11:46,011 INFO  L285             CfgBuilder]: Removed 36 assume(true) statements.
[2019-11-20 11:11:46,012 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:11:46 BoogieIcfgContainer
[2019-11-20 11:11:46,012 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2019-11-20 11:11:46,013 INFO  L113        PluginConnector]: ------------------------CodeCheck----------------------------
[2019-11-20 11:11:46,013 INFO  L271        PluginConnector]: Initializing CodeCheck...
[2019-11-20 11:11:46,027 INFO  L275        PluginConnector]: CodeCheck initialized
[2019-11-20 11:11:46,028 INFO  L185        PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:11:46" (1/1) ...
[2019-11-20 11:11:46,044 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2019-11-20 11:11:46,076 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2019-11-20 11:11:46,086 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 47 states and 62 transitions.
[2019-11-20 11:11:46,090 INFO  L276                IsEmpty]: Start isEmpty. Operand 47 states and 62 transitions.
[2019-11-20 11:11:46,098 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 18
[2019-11-20 11:11:46,098 INFO  L428      CodeCheckObserver]: Error Path is FOUND.
[2019-11-20 11:11:46,304 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-20 11:11:46,404 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 11:11:46,420 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2019-11-20 11:11:46,421 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 47 states and 60 transitions.
[2019-11-20 11:11:46,421 INFO  L276                IsEmpty]: Start isEmpty. Operand 47 states and 60 transitions.
[2019-11-20 11:11:46,422 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 19
[2019-11-20 11:11:46,422 INFO  L428      CodeCheckObserver]: Error Path is FOUND.
[2019-11-20 11:11:46,454 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-20 11:11:46,543 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 11:11:46,565 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2019-11-20 11:11:46,566 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 49 states and 63 transitions.
[2019-11-20 11:11:46,567 INFO  L276                IsEmpty]: Start isEmpty. Operand 49 states and 63 transitions.
[2019-11-20 11:11:46,568 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 21
[2019-11-20 11:11:46,568 INFO  L428      CodeCheckObserver]: Error Path is FOUND.
[2019-11-20 11:11:46,599 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-20 11:11:46,651 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 11:11:46,818 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2019-11-20 11:11:46,820 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 58 states and 81 transitions.
[2019-11-20 11:11:46,820 INFO  L276                IsEmpty]: Start isEmpty. Operand 58 states and 81 transitions.
[2019-11-20 11:11:46,821 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 24
[2019-11-20 11:11:46,821 INFO  L428      CodeCheckObserver]: Error Path is FOUND.
[2019-11-20 11:11:46,866 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-20 11:11:46,920 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 11:11:46,929 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2019-11-20 11:11:46,931 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 59 states and 82 transitions.
[2019-11-20 11:11:46,931 INFO  L276                IsEmpty]: Start isEmpty. Operand 59 states and 82 transitions.
[2019-11-20 11:11:46,932 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 24
[2019-11-20 11:11:46,932 INFO  L428      CodeCheckObserver]: Error Path is FOUND.
[2019-11-20 11:11:46,951 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-20 11:11:46,974 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 11:11:46,985 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2019-11-20 11:11:46,987 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 60 states and 83 transitions.
[2019-11-20 11:11:46,987 INFO  L276                IsEmpty]: Start isEmpty. Operand 60 states and 83 transitions.
[2019-11-20 11:11:46,988 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 23
[2019-11-20 11:11:46,988 INFO  L428      CodeCheckObserver]: Error Path is FOUND.
[2019-11-20 11:11:47,005 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-20 11:11:47,100 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 11:11:47,561 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2019-11-20 11:11:47,564 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 75 states and 113 transitions.
[2019-11-20 11:11:47,564 INFO  L276                IsEmpty]: Start isEmpty. Operand 75 states and 113 transitions.
[2019-11-20 11:11:47,566 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 25
[2019-11-20 11:11:47,566 INFO  L428      CodeCheckObserver]: Error Path is FOUND.
[2019-11-20 11:11:47,584 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-20 11:11:47,643 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 11:11:48,255 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2019-11-20 11:11:48,257 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 85 states and 134 transitions.
[2019-11-20 11:11:48,258 INFO  L276                IsEmpty]: Start isEmpty. Operand 85 states and 134 transitions.
[2019-11-20 11:11:48,259 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 26
[2019-11-20 11:11:48,259 INFO  L428      CodeCheckObserver]: Error Path is FOUND.
[2019-11-20 11:11:48,279 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-20 11:11:48,317 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 11:11:48,327 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2019-11-20 11:11:48,328 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 86 states and 135 transitions.
[2019-11-20 11:11:48,328 INFO  L276                IsEmpty]: Start isEmpty. Operand 86 states and 135 transitions.
[2019-11-20 11:11:48,332 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 26
[2019-11-20 11:11:48,333 INFO  L428      CodeCheckObserver]: Error Path is FOUND.
[2019-11-20 11:11:48,354 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-20 11:11:48,400 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 11:11:48,413 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2019-11-20 11:11:48,414 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 87 states and 136 transitions.
[2019-11-20 11:11:48,414 INFO  L276                IsEmpty]: Start isEmpty. Operand 87 states and 136 transitions.
[2019-11-20 11:11:48,417 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 28
[2019-11-20 11:11:48,417 INFO  L428      CodeCheckObserver]: Error Path is FOUND.
[2019-11-20 11:11:48,432 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-20 11:11:48,449 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 11:11:48,460 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2019-11-20 11:11:48,461 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 88 states and 137 transitions.
[2019-11-20 11:11:48,461 INFO  L276                IsEmpty]: Start isEmpty. Operand 88 states and 137 transitions.
[2019-11-20 11:11:48,462 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 28
[2019-11-20 11:11:48,462 INFO  L428      CodeCheckObserver]: Error Path is FOUND.
[2019-11-20 11:11:48,475 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-20 11:11:48,492 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 11:11:48,609 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2019-11-20 11:11:48,610 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 89 states and 140 transitions.
[2019-11-20 11:11:48,610 INFO  L276                IsEmpty]: Start isEmpty. Operand 89 states and 140 transitions.
[2019-11-20 11:11:48,611 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 26
[2019-11-20 11:11:48,611 INFO  L428      CodeCheckObserver]: Error Path is FOUND.
[2019-11-20 11:11:48,627 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-20 11:11:48,680 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 11:11:49,693 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2019-11-20 11:11:49,695 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 107 states and 180 transitions.
[2019-11-20 11:11:49,695 INFO  L276                IsEmpty]: Start isEmpty. Operand 107 states and 180 transitions.
[2019-11-20 11:11:49,696 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 28
[2019-11-20 11:11:49,696 INFO  L428      CodeCheckObserver]: Error Path is FOUND.
[2019-11-20 11:11:49,708 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-20 11:11:49,724 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 11:11:50,057 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2019-11-20 11:11:50,059 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 112 states and 190 transitions.
[2019-11-20 11:11:50,059 INFO  L276                IsEmpty]: Start isEmpty. Operand 112 states and 190 transitions.
[2019-11-20 11:11:50,060 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 29
[2019-11-20 11:11:50,060 INFO  L428      CodeCheckObserver]: Error Path is FOUND.
[2019-11-20 11:11:50,074 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-20 11:11:50,091 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 11:11:50,109 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2019-11-20 11:11:50,111 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 113 states and 191 transitions.
[2019-11-20 11:11:50,111 INFO  L276                IsEmpty]: Start isEmpty. Operand 113 states and 191 transitions.
[2019-11-20 11:11:50,112 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 29
[2019-11-20 11:11:50,112 INFO  L428      CodeCheckObserver]: Error Path is FOUND.
[2019-11-20 11:11:50,125 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-20 11:11:50,196 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 11:11:51,138 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2019-11-20 11:11:51,139 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 119 states and 202 transitions.
[2019-11-20 11:11:51,139 INFO  L276                IsEmpty]: Start isEmpty. Operand 119 states and 202 transitions.
[2019-11-20 11:11:51,141 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 38
[2019-11-20 11:11:51,141 INFO  L428      CodeCheckObserver]: Error Path is FOUND.
[2019-11-20 11:11:51,155 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-20 11:11:51,239 INFO  L134       CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.
[2019-11-20 11:11:51,820 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2019-11-20 11:11:51,821 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 125 states and 218 transitions.
[2019-11-20 11:11:51,822 INFO  L276                IsEmpty]: Start isEmpty. Operand 125 states and 218 transitions.
[2019-11-20 11:11:51,823 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 41
[2019-11-20 11:11:51,823 INFO  L428      CodeCheckObserver]: Error Path is FOUND.
[2019-11-20 11:11:51,840 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-20 11:11:51,859 INFO  L134       CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.
[2019-11-20 11:11:51,878 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2019-11-20 11:11:51,879 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 123 states and 214 transitions.
[2019-11-20 11:11:51,880 INFO  L276                IsEmpty]: Start isEmpty. Operand 123 states and 214 transitions.
[2019-11-20 11:11:51,881 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 41
[2019-11-20 11:11:51,881 INFO  L428      CodeCheckObserver]: Error Path is FOUND.
[2019-11-20 11:11:51,894 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-20 11:11:52,363 INFO  L134       CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2019-11-20 11:11:53,918 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2019-11-20 11:11:53,919 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 130 states and 242 transitions.
[2019-11-20 11:11:53,919 INFO  L276                IsEmpty]: Start isEmpty. Operand 130 states and 242 transitions.
[2019-11-20 11:11:53,921 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 42
[2019-11-20 11:11:53,921 INFO  L428      CodeCheckObserver]: Error Path is FOUND.
[2019-11-20 11:11:53,936 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-20 11:11:54,138 INFO  L134       CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.
[2019-11-20 11:11:55,321 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2019-11-20 11:11:55,323 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 135 states and 251 transitions.
[2019-11-20 11:11:55,324 INFO  L276                IsEmpty]: Start isEmpty. Operand 135 states and 251 transitions.
[2019-11-20 11:11:55,326 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 43
[2019-11-20 11:11:55,326 INFO  L428      CodeCheckObserver]: Error Path is FOUND.
[2019-11-20 11:11:55,341 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-20 11:11:55,359 INFO  L134       CoverageAnalysis]: Checked inductivity of 12 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.
[2019-11-20 11:11:55,665 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2019-11-20 11:11:55,666 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 137 states and 255 transitions.
[2019-11-20 11:11:55,667 INFO  L276                IsEmpty]: Start isEmpty. Operand 137 states and 255 transitions.
[2019-11-20 11:11:55,668 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 42
[2019-11-20 11:11:55,668 INFO  L428      CodeCheckObserver]: Error Path is FOUND.
[2019-11-20 11:11:55,680 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-20 11:11:55,813 INFO  L134       CoverageAnalysis]: Checked inductivity of 17 backedges. 7 proven. 8 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.
[2019-11-20 11:11:58,057 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2019-11-20 11:11:58,059 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 153 states and 324 transitions.
[2019-11-20 11:11:58,060 INFO  L276                IsEmpty]: Start isEmpty. Operand 153 states and 324 transitions.
[2019-11-20 11:11:58,061 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 40
[2019-11-20 11:11:58,061 INFO  L428      CodeCheckObserver]: Error Path is FOUND.
[2019-11-20 11:11:58,073 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-20 11:11:58,088 INFO  L134       CoverageAnalysis]: Checked inductivity of 15 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.
[2019-11-20 11:11:58,697 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2019-11-20 11:11:58,698 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 354 states to 162 states and 348 transitions.
[2019-11-20 11:11:58,699 INFO  L276                IsEmpty]: Start isEmpty. Operand 162 states and 348 transitions.
[2019-11-20 11:11:58,700 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 44
[2019-11-20 11:11:58,700 INFO  L428      CodeCheckObserver]: Error Path is FOUND.
[2019-11-20 11:11:58,711 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-20 11:11:58,728 INFO  L134       CoverageAnalysis]: Checked inductivity of 16 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked.
[2019-11-20 11:11:59,116 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2019-11-20 11:11:59,118 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 359 states to 165 states and 353 transitions.
[2019-11-20 11:11:59,118 INFO  L276                IsEmpty]: Start isEmpty. Operand 165 states and 353 transitions.
[2019-11-20 11:11:59,119 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 47
[2019-11-20 11:11:59,120 INFO  L428      CodeCheckObserver]: Error Path is FOUND.
[2019-11-20 11:11:59,130 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-20 11:11:59,147 INFO  L134       CoverageAnalysis]: Checked inductivity of 16 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.
[2019-11-20 11:12:00,300 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2019-11-20 11:12:00,302 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 399 states to 174 states and 384 transitions.
[2019-11-20 11:12:00,302 INFO  L276                IsEmpty]: Start isEmpty. Operand 174 states and 384 transitions.
[2019-11-20 11:12:00,303 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 42
[2019-11-20 11:12:00,304 INFO  L428      CodeCheckObserver]: Error Path is FOUND.
[2019-11-20 11:12:00,318 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-20 11:12:00,352 INFO  L134       CoverageAnalysis]: Checked inductivity of 17 backedges. 7 proven. 8 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.
[2019-11-20 11:12:00,694 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2019-11-20 11:12:00,696 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 429 states to 181 states and 414 transitions.
[2019-11-20 11:12:00,696 INFO  L276                IsEmpty]: Start isEmpty. Operand 181 states and 414 transitions.
[2019-11-20 11:12:00,698 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 44
[2019-11-20 11:12:00,698 INFO  L428      CodeCheckObserver]: Error Path is FOUND.
[2019-11-20 11:12:00,709 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-20 11:12:00,723 INFO  L134       CoverageAnalysis]: Checked inductivity of 16 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked.
[2019-11-20 11:12:01,189 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2019-11-20 11:12:01,192 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 449 states to 188 states and 431 transitions.
[2019-11-20 11:12:01,192 INFO  L276                IsEmpty]: Start isEmpty. Operand 188 states and 431 transitions.
[2019-11-20 11:12:01,194 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 43
[2019-11-20 11:12:01,194 INFO  L428      CodeCheckObserver]: Error Path is FOUND.
[2019-11-20 11:12:01,207 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-20 11:12:01,230 INFO  L134       CoverageAnalysis]: Checked inductivity of 15 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.
[2019-11-20 11:12:01,927 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2019-11-20 11:12:01,928 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 457 states to 192 states and 438 transitions.
[2019-11-20 11:12:01,929 INFO  L276                IsEmpty]: Start isEmpty. Operand 192 states and 438 transitions.
[2019-11-20 11:12:01,930 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 43
[2019-11-20 11:12:01,930 INFO  L428      CodeCheckObserver]: Error Path is FOUND.
[2019-11-20 11:12:01,940 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-20 11:12:01,953 INFO  L134       CoverageAnalysis]: Checked inductivity of 15 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.
[2019-11-20 11:12:01,976 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2019-11-20 11:12:01,978 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 458 states to 193 states and 439 transitions.
[2019-11-20 11:12:01,978 INFO  L276                IsEmpty]: Start isEmpty. Operand 193 states and 439 transitions.
[2019-11-20 11:12:01,980 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 43
[2019-11-20 11:12:01,980 INFO  L428      CodeCheckObserver]: Error Path is FOUND.
[2019-11-20 11:12:01,989 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-20 11:12:02,001 INFO  L134       CoverageAnalysis]: Checked inductivity of 15 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.
[2019-11-20 11:12:02,031 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2019-11-20 11:12:02,033 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 459 states to 194 states and 440 transitions.
[2019-11-20 11:12:02,033 INFO  L276                IsEmpty]: Start isEmpty. Operand 194 states and 440 transitions.
[2019-11-20 11:12:02,034 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 47
[2019-11-20 11:12:02,034 INFO  L428      CodeCheckObserver]: Error Path is FOUND.
[2019-11-20 11:12:02,044 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-20 11:12:02,059 INFO  L134       CoverageAnalysis]: Checked inductivity of 16 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked.
[2019-11-20 11:12:02,499 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2019-11-20 11:12:02,501 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 462 states to 195 states and 443 transitions.
[2019-11-20 11:12:02,501 INFO  L276                IsEmpty]: Start isEmpty. Operand 195 states and 443 transitions.
[2019-11-20 11:12:02,503 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 47
[2019-11-20 11:12:02,503 INFO  L428      CodeCheckObserver]: Error Path is FOUND.
[2019-11-20 11:12:02,518 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-20 11:12:02,535 INFO  L134       CoverageAnalysis]: Checked inductivity of 16 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.
[2019-11-20 11:12:03,700 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2019-11-20 11:12:03,702 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 501 states to 205 states and 479 transitions.
[2019-11-20 11:12:03,702 INFO  L276                IsEmpty]: Start isEmpty. Operand 205 states and 479 transitions.
[2019-11-20 11:12:03,703 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 45
[2019-11-20 11:12:03,704 INFO  L428      CodeCheckObserver]: Error Path is FOUND.
[2019-11-20 11:12:03,715 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-20 11:12:03,729 INFO  L134       CoverageAnalysis]: Checked inductivity of 17 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked.
[2019-11-20 11:12:04,606 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2019-11-20 11:12:04,609 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 523 states to 214 states and 498 transitions.
[2019-11-20 11:12:04,609 INFO  L276                IsEmpty]: Start isEmpty. Operand 214 states and 498 transitions.
[2019-11-20 11:12:04,612 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 45
[2019-11-20 11:12:04,615 INFO  L428      CodeCheckObserver]: Error Path is FOUND.
[2019-11-20 11:12:04,637 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-20 11:12:04,652 INFO  L134       CoverageAnalysis]: Checked inductivity of 17 backedges. 7 proven. 8 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.
[2019-11-20 11:12:04,973 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2019-11-20 11:12:04,975 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 524 states to 215 states and 499 transitions.
[2019-11-20 11:12:04,975 INFO  L276                IsEmpty]: Start isEmpty. Operand 215 states and 499 transitions.
[2019-11-20 11:12:04,977 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 50
[2019-11-20 11:12:04,977 INFO  L428      CodeCheckObserver]: Error Path is FOUND.
[2019-11-20 11:12:04,986 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-20 11:12:05,158 INFO  L134       CoverageAnalysis]: Checked inductivity of 18 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked.
[2019-11-20 11:12:08,127 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2019-11-20 11:12:08,129 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 575 states to 225 states and 545 transitions.
[2019-11-20 11:12:08,130 INFO  L276                IsEmpty]: Start isEmpty. Operand 225 states and 545 transitions.
[2019-11-20 11:12:08,132 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 50
[2019-11-20 11:12:08,132 INFO  L428      CodeCheckObserver]: Error Path is FOUND.
[2019-11-20 11:12:08,143 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-20 11:12:08,157 INFO  L134       CoverageAnalysis]: Checked inductivity of 16 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.
[2019-11-20 11:12:08,577 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2019-11-20 11:12:08,579 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 578 states to 226 states and 548 transitions.
[2019-11-20 11:12:08,579 INFO  L276                IsEmpty]: Start isEmpty. Operand 226 states and 548 transitions.
[2019-11-20 11:12:08,581 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 49
[2019-11-20 11:12:08,581 INFO  L428      CodeCheckObserver]: Error Path is FOUND.
[2019-11-20 11:12:08,621 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-20 11:12:09,576 INFO  L134       CoverageAnalysis]: Checked inductivity of 18 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.
[2019-11-20 11:12:15,654 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2019-11-20 11:12:15,655 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 678 states to 244 states and 643 transitions.
[2019-11-20 11:12:15,656 INFO  L276                IsEmpty]: Start isEmpty. Operand 244 states and 643 transitions.
[2019-11-20 11:12:15,657 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 49
[2019-11-20 11:12:15,658 INFO  L428      CodeCheckObserver]: Error Path is FOUND.
[2019-11-20 11:12:15,682 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-20 11:12:15,708 INFO  L134       CoverageAnalysis]: Checked inductivity of 18 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.
[2019-11-20 11:12:16,265 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2019-11-20 11:12:16,267 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 714 states to 246 states and 661 transitions.
[2019-11-20 11:12:16,267 INFO  L276                IsEmpty]: Start isEmpty. Operand 246 states and 661 transitions.
[2019-11-20 11:12:16,269 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 48
[2019-11-20 11:12:16,269 INFO  L428      CodeCheckObserver]: Error Path is FOUND.
[2019-11-20 11:12:16,279 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-20 11:12:16,294 INFO  L134       CoverageAnalysis]: Checked inductivity of 17 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.
[2019-11-20 11:12:18,011 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2019-11-20 11:12:18,013 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 789 states to 257 states and 718 transitions.
[2019-11-20 11:12:18,013 INFO  L276                IsEmpty]: Start isEmpty. Operand 257 states and 718 transitions.
[2019-11-20 11:12:18,015 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 50
[2019-11-20 11:12:18,015 INFO  L428      CodeCheckObserver]: Error Path is FOUND.
[2019-11-20 11:12:18,026 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-20 11:12:18,043 INFO  L134       CoverageAnalysis]: Checked inductivity of 19 backedges. 9 proven. 8 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.
[2019-11-20 11:12:20,977 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2019-11-20 11:12:20,979 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 802 states to 264 states and 731 transitions.
[2019-11-20 11:12:20,979 INFO  L276                IsEmpty]: Start isEmpty. Operand 264 states and 731 transitions.
[2019-11-20 11:12:20,981 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 50
[2019-11-20 11:12:20,981 INFO  L428      CodeCheckObserver]: Error Path is FOUND.
[2019-11-20 11:12:20,991 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-20 11:12:21,007 INFO  L134       CoverageAnalysis]: Checked inductivity of 19 backedges. 9 proven. 8 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.
[2019-11-20 11:12:21,715 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2019-11-20 11:12:21,717 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 835 states to 266 states and 764 transitions.
[2019-11-20 11:12:21,717 INFO  L276                IsEmpty]: Start isEmpty. Operand 266 states and 764 transitions.
[2019-11-20 11:12:21,719 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 52
[2019-11-20 11:12:21,720 INFO  L428      CodeCheckObserver]: Error Path is FOUND.
[2019-11-20 11:12:21,729 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-20 11:12:21,744 INFO  L134       CoverageAnalysis]: Checked inductivity of 18 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.
[2019-11-20 11:12:22,352 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2019-11-20 11:12:22,353 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 860 states to 271 states and 789 transitions.
[2019-11-20 11:12:22,354 INFO  L276                IsEmpty]: Start isEmpty. Operand 271 states and 789 transitions.
[2019-11-20 11:12:22,355 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 49
[2019-11-20 11:12:22,356 INFO  L428      CodeCheckObserver]: Error Path is FOUND.
[2019-11-20 11:12:22,366 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-20 11:12:22,380 INFO  L134       CoverageAnalysis]: Checked inductivity of 18 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.
[2019-11-20 11:12:23,098 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2019-11-20 11:12:23,100 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 893 states to 273 states and 814 transitions.
[2019-11-20 11:12:23,100 INFO  L276                IsEmpty]: Start isEmpty. Operand 273 states and 814 transitions.
[2019-11-20 11:12:23,102 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 50
[2019-11-20 11:12:23,102 INFO  L428      CodeCheckObserver]: Error Path is FOUND.
[2019-11-20 11:12:23,111 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-20 11:12:23,126 INFO  L134       CoverageAnalysis]: Checked inductivity of 16 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.
[2019-11-20 11:12:23,154 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2019-11-20 11:12:23,156 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 894 states to 274 states and 815 transitions.
[2019-11-20 11:12:23,156 INFO  L276                IsEmpty]: Start isEmpty. Operand 274 states and 815 transitions.
[2019-11-20 11:12:23,158 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 49
[2019-11-20 11:12:23,158 INFO  L428      CodeCheckObserver]: Error Path is FOUND.
[2019-11-20 11:12:23,180 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-20 11:12:23,203 INFO  L134       CoverageAnalysis]: Checked inductivity of 18 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.
[2019-11-20 11:12:23,982 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2019-11-20 11:12:23,983 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 924 states to 276 states and 845 transitions.
[2019-11-20 11:12:23,984 INFO  L276                IsEmpty]: Start isEmpty. Operand 276 states and 845 transitions.
[2019-11-20 11:12:23,985 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 52
[2019-11-20 11:12:23,986 INFO  L428      CodeCheckObserver]: Error Path is FOUND.
[2019-11-20 11:12:24,048 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2019-11-20 11:12:24,127 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2019-11-20 11:12:24,306 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2019-11-20 11:12:24,350 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2019-11-20 11:12:24,483 WARN  L483      CodeCheckObserver]: This program is UNSAFE, Check terminated with 45 iterations.
[2019-11-20 11:12:24,721 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 20.11 11:12:24 ImpRootNode
[2019-11-20 11:12:24,722 INFO  L132        PluginConnector]: ------------------------ END CodeCheck----------------------------
[2019-11-20 11:12:24,722 INFO  L113        PluginConnector]: ------------------------Witness Printer----------------------------
[2019-11-20 11:12:24,722 INFO  L271        PluginConnector]: Initializing Witness Printer...
[2019-11-20 11:12:24,723 INFO  L275        PluginConnector]: Witness Printer initialized
[2019-11-20 11:12:24,725 INFO  L185        PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:11:46" (3/4) ...
[2019-11-20 11:12:24,727 INFO  L131         WitnessPrinter]: Generating witness for reachability counterexample
[2019-11-20 11:12:24,864 INFO  L141         WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_5b3938cf-25be-4dd3-bd9d-764838488640/bin/ukojak/witness.graphml
[2019-11-20 11:12:24,865 INFO  L132        PluginConnector]: ------------------------ END Witness Printer----------------------------
[2019-11-20 11:12:24,867 INFO  L168              Benchmark]: Toolchain (without parser) took 40727.33 ms. Allocated memory was 1.0 GB in the beginning and 1.7 GB in the end (delta: 710.4 MB). Free memory was 948.7 MB in the beginning and 1.5 GB in the end (delta: -581.0 MB). Peak memory consumption was 129.5 MB. Max. memory is 11.5 GB.
[2019-11-20 11:12:24,867 INFO  L168              Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB.
[2019-11-20 11:12:24,867 INFO  L168              Benchmark]: CACSL2BoogieTranslator took 586.76 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 153.6 MB). Free memory was 943.4 MB in the beginning and 1.1 GB in the end (delta: -188.0 MB). Peak memory consumption was 17.7 MB. Max. memory is 11.5 GB.
[2019-11-20 11:12:24,868 INFO  L168              Benchmark]: Boogie Procedure Inliner took 61.37 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 11:12:24,868 INFO  L168              Benchmark]: Boogie Preprocessor took 51.62 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 11:12:24,868 INFO  L168              Benchmark]: RCFGBuilder took 1167.17 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: 84.5 MB). Peak memory consumption was 84.5 MB. Max. memory is 11.5 GB.
[2019-11-20 11:12:24,869 INFO  L168              Benchmark]: CodeCheck took 38709.12 ms. Allocated memory was 1.2 GB in the beginning and 1.7 GB in the end (delta: 556.8 MB). Free memory was 1.0 GB in the beginning and 1.6 GB in the end (delta: -505.4 MB). Peak memory consumption was 51.4 MB. Max. memory is 11.5 GB.
[2019-11-20 11:12:24,869 INFO  L168              Benchmark]: Witness Printer took 142.56 ms. Allocated memory is still 1.7 GB. Free memory was 1.6 GB in the beginning and 1.5 GB in the end (delta: 22.5 MB). Peak memory consumption was 22.5 MB. Max. memory is 11.5 GB.
[2019-11-20 11:12:24,871 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 7 procedures, 47 locations, 1 error locations. Result: UNSAFE, OverallTime: 38.4s, OverallIterations: 45, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: -1084399824 SDtfs, -2056431140 SDslu, 550202064 SDs, 0 SdLazy, -770869356 SolverSat, 828819016 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 51.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 21167 GetRequests, 20651 SyntacticMatches, 78 SemanticMatches, 438 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 88282 ImplicationChecksByTransitivity, 31.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.1s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 3.0s InterpolantComputationTime, 1704 NumberOfCodeBlocks, 1704 NumberOfCodeBlocksAsserted, 45 NumberOfCheckSat, 1609 ConstructedInterpolants, 0 QuantifiedInterpolants, 162615 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 44 InterpolantComputations, 37 PerfectInterpolantSequences, 412/456 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: 284]: a call of __VERIFIER_error() is reachable
    a call of __VERIFIER_error() is reachable
We found a FailurePath: 
[L85]               int waterLevel  =    1;
[L86]               int methaneLevelCritical  =    0;
[L179]              int cleanupTimeShifts  =    4;
[L292]              int pumpRunning  =    0;
[L293]              int systemActive  =    1;
[L679]              static struct __ACC__ERR *head  =    (struct __ACC__ERR *)0;
[L876]              int methAndRunningLastTime  ;
[L257]              int retValue_acc ;
[L258]              int tmp ;
[L69]               int retValue_acc ;
[L72]               retValue_acc = 1
[L73]               return (retValue_acc);
[L264]              tmp = valid_product()
[L266]  COND TRUE   \read(tmp)
[L881]              methAndRunningLastTime = 0
[L446]              int splverifierCounter ;
[L447]              int tmp ;
[L448]              int tmp___0 ;
[L449]              int tmp___1 ;
[L450]              int tmp___2 ;
[L453]              splverifierCounter = 0
        VAL         [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1]
[L455]  COND TRUE   1
        VAL         [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1]
[L457]  COND TRUE   splverifierCounter < 4
[L463]              tmp = __VERIFIER_nondet_int()
[L465]  COND TRUE   \read(tmp)
        VAL         [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1]
[L467]  CALL        waterRise()
        VAL         [\old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1]
[L103]  COND TRUE   waterLevel < 2
[L104]              waterLevel = waterLevel + 1
[L467]  RET         waterRise()
        VAL         [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2]
[L473]              tmp___0 = __VERIFIER_nondet_int()
[L475]  COND TRUE   \read(tmp___0)
        VAL         [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2]
[L477]  CALL        changeMethaneLevel()
        VAL         [\old(methaneLevelCritical)=0, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2]
[L115]  COND FALSE  !(\read(methaneLevelCritical))
[L118]              methaneLevelCritical = 1
[L477]  RET         changeMethaneLevel()
        VAL         [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2]
[L483]              tmp___2 = __VERIFIER_nondet_int()
[L485]  COND TRUE   \read(tmp___2)
        VAL         [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2]
[L498]  CALL        timeShift()
        VAL         [\old(methAndRunningLastTime)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2]
[L300]  COND FALSE  !(\read(pumpRunning))
        VAL         [\old(methAndRunningLastTime)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2]
[L307]  COND TRUE   \read(systemActive)
[L329]              int tmp ;
        VAL         [\old(methAndRunningLastTime)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2]
[L332]  COND TRUE   ! pumpRunning
[L426]              int retValue_acc ;
[L427]              int tmp ;
[L428]              int tmp___0 ;
[L165]              int retValue_acc ;
[L168]  COND FALSE  !(waterLevel < 2)
[L172]              retValue_acc = 0
[L173]              return (retValue_acc);
[L432]              tmp = isHighWaterSensorDry()
[L434]  COND FALSE  !(\read(tmp))
[L437]              tmp___0 = 1
[L439]              retValue_acc = tmp___0
[L440]              return (retValue_acc);
[L334]              tmp = isHighWaterLevel()
[L336]  COND TRUE   \read(tmp)
[L357]              pumpRunning = 1
        VAL         [\old(methAndRunningLastTime)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2]
[L886]              int tmp ;
[L887]              int tmp___0 ;
        VAL         [\old(methAndRunningLastTime)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2]
[L891]  CALL, EXPR  isMethaneLevelCritical()
        VAL         [\old(methAndRunningLastTime)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2]
[L124]              int retValue_acc ;
[L127]              retValue_acc = methaneLevelCritical
[L128]              return (retValue_acc);
[L891]  RET, EXPR   isMethaneLevelCritical()
        VAL         [\old(methAndRunningLastTime)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2]
[L891]              tmp = isMethaneLevelCritical()
[L893]  COND TRUE   \read(tmp)
[L381]              int retValue_acc ;
[L384]              retValue_acc = pumpRunning
[L385]              return (retValue_acc);
[L895]              tmp___0 = isPumpRunning()
[L897]  COND TRUE   \read(tmp___0)
        VAL         [\old(methAndRunningLastTime)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2]
[L898]  COND FALSE  !(\read(methAndRunningLastTime))
[L903]              methAndRunningLastTime = 1
        VAL         [\old(methAndRunningLastTime)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2]
[L498]  RET         timeShift()
        VAL         [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2]
[L455]  COND TRUE   1
        VAL         [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2]
[L457]  COND TRUE   splverifierCounter < 4
[L463]              tmp = __VERIFIER_nondet_int()
[L465]  COND FALSE  !(\read(tmp))
        VAL         [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2]
[L473]              tmp___0 = __VERIFIER_nondet_int()
[L475]  COND FALSE  !(\read(tmp___0))
        VAL         [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2]
[L483]              tmp___2 = __VERIFIER_nondet_int()
[L485]  COND FALSE  !(\read(tmp___2))
[L489]              tmp___1 = __VERIFIER_nondet_int()
[L491]  COND FALSE  !(\read(tmp___1))
        VAL         [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2]
[L498]  CALL        timeShift()
        VAL         [\old(methAndRunningLastTime)=1, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2]
[L300]  COND TRUE   \read(pumpRunning)
[L91]   COND TRUE   waterLevel > 0
[L92]               waterLevel = waterLevel - 1
        VAL         [\old(methAndRunningLastTime)=1, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1]
[L307]  COND TRUE   \read(systemActive)
[L329]              int tmp ;
        VAL         [\old(methAndRunningLastTime)=1, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1]
[L332]  COND FALSE  !(! pumpRunning)
        VAL         [\old(methAndRunningLastTime)=1, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1]
[L347]  FCALL       processEnvironment__wrappee__base()
        VAL         [\old(methAndRunningLastTime)=1, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1]
[L886]              int tmp ;
[L887]              int tmp___0 ;
        VAL         [\old(methAndRunningLastTime)=1, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1]
[L891]  CALL, EXPR  isMethaneLevelCritical()
        VAL         [\old(methAndRunningLastTime)=1, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1]
[L124]              int retValue_acc ;
[L127]              retValue_acc = methaneLevelCritical
[L128]              return (retValue_acc);
[L891]  RET, EXPR   isMethaneLevelCritical()
        VAL         [\old(methAndRunningLastTime)=1, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1]
[L891]              tmp = isMethaneLevelCritical()
[L893]  COND TRUE   \read(tmp)
[L381]              int retValue_acc ;
[L384]              retValue_acc = pumpRunning
[L385]              return (retValue_acc);
[L895]              tmp___0 = isPumpRunning()
[L897]  COND TRUE   \read(tmp___0)
        VAL         [\old(methAndRunningLastTime)=1, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1]
[L898]  COND TRUE   \read(methAndRunningLastTime)
        VAL         [\old(methAndRunningLastTime)=1, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1]
[L284]              __VERIFIER_error()
        VAL         [\old(methAndRunningLastTime)=1, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1]

 * 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 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB.
 * CACSL2BoogieTranslator took 586.76 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 153.6 MB). Free memory was 943.4 MB in the beginning and 1.1 GB in the end (delta: -188.0 MB). Peak memory consumption was 17.7 MB. Max. memory is 11.5 GB.
 * Boogie Procedure Inliner took 61.37 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 51.62 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 1167.17 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: 84.5 MB). Peak memory consumption was 84.5 MB. Max. memory is 11.5 GB.
 * CodeCheck took 38709.12 ms. Allocated memory was 1.2 GB in the beginning and 1.7 GB in the end (delta: 556.8 MB). Free memory was 1.0 GB in the beginning and 1.6 GB in the end (delta: -505.4 MB). Peak memory consumption was 51.4 MB. Max. memory is 11.5 GB.
 * Witness Printer took 142.56 ms. Allocated memory is still 1.7 GB. Free memory was 1.6 GB in the beginning and 1.5 GB in the end (delta: 22.5 MB). Peak memory consumption was 22.5 MB. Max. memory is 11.5 GB.
RESULT: Ultimate proved your program to be incorrect!
Received shutdown request...