./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product34_false-unreach-call_false-termination.cil.c --full-output --architecture 32bit


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


Checking for ERROR reachability
Using default analysis
Version 635dfa2a
Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_d4bc7039-b48a-4f4a-ab46-e0de35188b80/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_d4bc7039-b48a-4f4a-ab46-e0de35188b80/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_d4bc7039-b48a-4f4a-ab46-e0de35188b80/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_d4bc7039-b48a-4f4a-ab46-e0de35188b80/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product34_false-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_d4bc7039-b48a-4f4a-ab46-e0de35188b80/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_d4bc7039-b48a-4f4a-ab46-e0de35188b80/bin-2019/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 f18aab99c70cc7d44332259818cc5069ce850e66
...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................
Execution finished normally
Writing output log to file Ultimate.log
Writing human readable error path to file UltimateCounterExample.errorpath
Result:
FALSE
--- Real Ultimate output ---
This is Ultimate 0.1.23-635dfa2
[2018-12-02 12:05:46,029 INFO  L170        SettingsManager]: Resetting all preferences to default values...
[2018-12-02 12:05:46,030 INFO  L174        SettingsManager]: Resetting UltimateCore preferences to default values
[2018-12-02 12:05:46,038 INFO  L177        SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2018-12-02 12:05:46,038 INFO  L174        SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2018-12-02 12:05:46,039 INFO  L174        SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2018-12-02 12:05:46,040 INFO  L174        SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2018-12-02 12:05:46,040 INFO  L174        SettingsManager]: Resetting LassoRanker preferences to default values
[2018-12-02 12:05:46,041 INFO  L174        SettingsManager]: Resetting Reaching Definitions preferences to default values
[2018-12-02 12:05:46,042 INFO  L174        SettingsManager]: Resetting SyntaxChecker preferences to default values
[2018-12-02 12:05:46,043 INFO  L177        SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2018-12-02 12:05:46,043 INFO  L174        SettingsManager]: Resetting LTL2Aut preferences to default values
[2018-12-02 12:05:46,044 INFO  L174        SettingsManager]: Resetting PEA to Boogie preferences to default values
[2018-12-02 12:05:46,044 INFO  L174        SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2018-12-02 12:05:46,045 INFO  L174        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2018-12-02 12:05:46,046 INFO  L174        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2018-12-02 12:05:46,046 INFO  L174        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2018-12-02 12:05:46,047 INFO  L174        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2018-12-02 12:05:46,048 INFO  L174        SettingsManager]: Resetting CodeCheck preferences to default values
[2018-12-02 12:05:46,049 INFO  L174        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2018-12-02 12:05:46,049 INFO  L174        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2018-12-02 12:05:46,050 INFO  L174        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2018-12-02 12:05:46,051 INFO  L177        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2018-12-02 12:05:46,051 INFO  L177        SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2018-12-02 12:05:46,051 INFO  L174        SettingsManager]: Resetting TreeAutomizer preferences to default values
[2018-12-02 12:05:46,051 INFO  L174        SettingsManager]: Resetting IcfgTransformer preferences to default values
[2018-12-02 12:05:46,052 INFO  L174        SettingsManager]: Resetting Boogie Printer preferences to default values
[2018-12-02 12:05:46,052 INFO  L174        SettingsManager]: Resetting ReqPrinter preferences to default values
[2018-12-02 12:05:46,052 INFO  L174        SettingsManager]: Resetting Witness Printer preferences to default values
[2018-12-02 12:05:46,053 INFO  L177        SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2018-12-02 12:05:46,053 INFO  L174        SettingsManager]: Resetting CDTParser preferences to default values
[2018-12-02 12:05:46,054 INFO  L177        SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2018-12-02 12:05:46,054 INFO  L177        SettingsManager]: ReqParser provides no preferences, ignoring...
[2018-12-02 12:05:46,054 INFO  L174        SettingsManager]: Resetting SmtParser preferences to default values
[2018-12-02 12:05:46,055 INFO  L174        SettingsManager]: Resetting Witness Parser preferences to default values
[2018-12-02 12:05:46,055 INFO  L181        SettingsManager]: Finished resetting all preferences to default values...
[2018-12-02 12:05:46,055 INFO  L98         SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_d4bc7039-b48a-4f4a-ab46-e0de35188b80/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf
[2018-12-02 12:05:46,065 INFO  L110        SettingsManager]: Loading preferences was successful
[2018-12-02 12:05:46,065 INFO  L112        SettingsManager]: Preferences different from defaults after loading the file:
[2018-12-02 12:05:46,066 INFO  L131        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2018-12-02 12:05:46,066 INFO  L133        SettingsManager]:  * ... to procedures called more than once=ALWAYS
[2018-12-02 12:05:46,066 INFO  L131        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2018-12-02 12:05:46,067 INFO  L133        SettingsManager]:  * Create parallel compositions if possible=false
[2018-12-02 12:05:46,067 INFO  L131        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2018-12-02 12:05:46,067 INFO  L133        SettingsManager]:  * sizeof long=4
[2018-12-02 12:05:46,067 INFO  L133        SettingsManager]:  * Overapproximate operations on floating types=true
[2018-12-02 12:05:46,067 INFO  L133        SettingsManager]:  * sizeof POINTER=4
[2018-12-02 12:05:46,067 INFO  L133        SettingsManager]:  * Check division by zero=IGNORE
[2018-12-02 12:05:46,068 INFO  L133        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2018-12-02 12:05:46,068 INFO  L133        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2018-12-02 12:05:46,068 INFO  L133        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2018-12-02 12:05:46,068 INFO  L133        SettingsManager]:  * sizeof long double=12
[2018-12-02 12:05:46,068 INFO  L133        SettingsManager]:  * Check if freed pointer was valid=false
[2018-12-02 12:05:46,068 INFO  L133        SettingsManager]:  * Use constant arrays=true
[2018-12-02 12:05:46,068 INFO  L133        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2018-12-02 12:05:46,069 INFO  L131        SettingsManager]: Preferences of CodeCheck differ from their defaults:
[2018-12-02 12:05:46,069 INFO  L133        SettingsManager]:  * Timeout in seconds=1000000
[2018-12-02 12:05:46,069 INFO  L131        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2018-12-02 12:05:46,069 INFO  L133        SettingsManager]:  * To the following directory=./dump/
[2018-12-02 12:05:46,069 INFO  L133        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000
[2018-12-02 12:05:46,069 INFO  L131        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2018-12-02 12:05:46,069 INFO  L133        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2018-12-02 12:05:46,070 INFO  L133        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2018-12-02 12:05:46,070 INFO  L133        SettingsManager]:  * Trace refinement strategy=PENGUIN
[2018-12-02 12:05:46,070 INFO  L133        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2018-12-02 12:05:46,070 INFO  L133        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2018-12-02 12:05:46,070 INFO  L133        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/working_dir_d4bc7039-b48a-4f4a-ab46-e0de35188b80/bin-2019/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 -> f18aab99c70cc7d44332259818cc5069ce850e66
[2018-12-02 12:05:46,094 INFO  L81    nceAwareModelManager]: Repository-Root is: /tmp
[2018-12-02 12:05:46,102 INFO  L258   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2018-12-02 12:05:46,105 INFO  L214   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2018-12-02 12:05:46,106 INFO  L271        PluginConnector]: Initializing CDTParser...
[2018-12-02 12:05:46,106 INFO  L276        PluginConnector]: CDTParser initialized
[2018-12-02 12:05:46,107 INFO  L418   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_d4bc7039-b48a-4f4a-ab46-e0de35188b80/bin-2019/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec2_product34_false-unreach-call_false-termination.cil.c
[2018-12-02 12:05:46,148 INFO  L221              CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_d4bc7039-b48a-4f4a-ab46-e0de35188b80/bin-2019/ukojak/data/8d3e4d7a9/03b68bae70d748eba37b0f910e62c82a/FLAG8b9eb92fb
[2018-12-02 12:05:46,460 INFO  L307              CDTParser]: Found 1 translation units.
[2018-12-02 12:05:46,460 INFO  L161              CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_d4bc7039-b48a-4f4a-ab46-e0de35188b80/sv-benchmarks/c/product-lines/minepump_spec2_product34_false-unreach-call_false-termination.cil.c
[2018-12-02 12:05:46,466 INFO  L355              CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_d4bc7039-b48a-4f4a-ab46-e0de35188b80/bin-2019/ukojak/data/8d3e4d7a9/03b68bae70d748eba37b0f910e62c82a/FLAG8b9eb92fb
[2018-12-02 12:05:46,474 INFO  L363              CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_d4bc7039-b48a-4f4a-ab46-e0de35188b80/bin-2019/ukojak/data/8d3e4d7a9/03b68bae70d748eba37b0f910e62c82a
[2018-12-02 12:05:46,476 INFO  L296   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2018-12-02 12:05:46,477 INFO  L131        ToolchainWalker]: Walking toolchain with 6 elements.
[2018-12-02 12:05:46,478 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2018-12-02 12:05:46,478 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2018-12-02 12:05:46,481 INFO  L276        PluginConnector]: CACSL2BoogieTranslator initialized
[2018-12-02 12:05:46,481 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 12:05:46" (1/1) ...
[2018-12-02 12:05:46,483 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@354f5439 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:05:46, skipping insertion in model container
[2018-12-02 12:05:46,484 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 12:05:46" (1/1) ...
[2018-12-02 12:05:46,489 INFO  L145         MainTranslator]: Starting translation in SV-COMP mode 
[2018-12-02 12:05:46,512 INFO  L176         MainTranslator]: Built tables and reachable declarations
[2018-12-02 12:05:46,658 INFO  L203          PostProcessor]: Analyzing one entry point: main
[2018-12-02 12:05:46,701 INFO  L191         MainTranslator]: Completed pre-run
[2018-12-02 12:05:46,745 INFO  L203          PostProcessor]: Analyzing one entry point: main
[2018-12-02 12:05:46,759 INFO  L195         MainTranslator]: Completed translation
[2018-12-02 12:05:46,760 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:05:46 WrapperNode
[2018-12-02 12:05:46,760 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2018-12-02 12:05:46,760 INFO  L113        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2018-12-02 12:05:46,760 INFO  L271        PluginConnector]: Initializing Boogie Procedure Inliner...
[2018-12-02 12:05:46,760 INFO  L276        PluginConnector]: Boogie Procedure Inliner initialized
[2018-12-02 12:05:46,766 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:05:46" (1/1) ...
[2018-12-02 12:05:46,775 INFO  L185        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:05:46" (1/1) ...
[2018-12-02 12:05:46,792 INFO  L132        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2018-12-02 12:05:46,792 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2018-12-02 12:05:46,792 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2018-12-02 12:05:46,792 INFO  L276        PluginConnector]: Boogie Preprocessor initialized
[2018-12-02 12:05:46,798 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:05:46" (1/1) ...
[2018-12-02 12:05:46,798 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:05:46" (1/1) ...
[2018-12-02 12:05:46,800 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:05:46" (1/1) ...
[2018-12-02 12:05:46,800 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:05:46" (1/1) ...
[2018-12-02 12:05:46,804 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:05:46" (1/1) ...
[2018-12-02 12:05:46,807 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:05:46" (1/1) ...
[2018-12-02 12:05:46,808 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:05:46" (1/1) ...
[2018-12-02 12:05:46,810 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2018-12-02 12:05:46,810 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2018-12-02 12:05:46,810 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2018-12-02 12:05:46,810 INFO  L276        PluginConnector]: RCFGBuilder initialized
[2018-12-02 12:05:46,811 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:05:46" (1/1) ...
No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d4bc7039-b48a-4f4a-ab46-e0de35188b80/bin-2019/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
[2018-12-02 12:05:46,844 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.alloc
[2018-12-02 12:05:46,844 INFO  L130     BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base
[2018-12-02 12:05:46,844 INFO  L138     BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base
[2018-12-02 12:05:46,844 INFO  L130     BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical
[2018-12-02 12:05:46,844 INFO  L138     BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical
[2018-12-02 12:05:46,844 INFO  L130     BoogieDeclarations]: Found specification of procedure timeShift
[2018-12-02 12:05:46,844 INFO  L138     BoogieDeclarations]: Found implementation of procedure timeShift
[2018-12-02 12:05:46,844 INFO  L130     BoogieDeclarations]: Found specification of procedure cleanup
[2018-12-02 12:05:46,844 INFO  L138     BoogieDeclarations]: Found implementation of procedure cleanup
[2018-12-02 12:05:46,845 INFO  L130     BoogieDeclarations]: Found specification of procedure waterRise
[2018-12-02 12:05:46,845 INFO  L138     BoogieDeclarations]: Found implementation of procedure waterRise
[2018-12-02 12:05:46,845 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int
[2018-12-02 12:05:46,845 INFO  L130     BoogieDeclarations]: Found specification of procedure changeMethaneLevel
[2018-12-02 12:05:46,845 INFO  L138     BoogieDeclarations]: Found implementation of procedure changeMethaneLevel
[2018-12-02 12:05:46,845 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2018-12-02 12:05:46,845 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2018-12-02 12:05:47,222 INFO  L275             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2018-12-02 12:05:47,222 INFO  L280             CfgBuilder]: Removed 38 assue(true) statements.
[2018-12-02 12:05:47,222 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 12:05:47 BoogieIcfgContainer
[2018-12-02 12:05:47,222 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2018-12-02 12:05:47,223 INFO  L113        PluginConnector]: ------------------------CodeCheck----------------------------
[2018-12-02 12:05:47,223 INFO  L271        PluginConnector]: Initializing CodeCheck...
[2018-12-02 12:05:47,229 INFO  L276        PluginConnector]: CodeCheck initialized
[2018-12-02 12:05:47,229 INFO  L185        PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 12:05:47" (1/1) ...
[2018-12-02 12:05:47,236 INFO  L141       PredicateUnifier]: Initialized classic predicate unifier
[2018-12-02 12:05:47,254 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2018-12-02 12:05:47,260 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 47 states and 62 transitions.
[2018-12-02 12:05:47,260 INFO  L276                IsEmpty]: Start isEmpty. Operand 47 states and 62 transitions.
[2018-12-02 12:05:47,264 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 18
[2018-12-02 12:05:47,264 INFO  L431      CodeCheckObserver]: Error Path is FOUND.
[2018-12-02 12:05:47,334 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-12-02 12:05:47,376 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2018-12-02 12:05:47,385 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2018-12-02 12:05:47,386 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 47 states and 60 transitions.
[2018-12-02 12:05:47,386 INFO  L276                IsEmpty]: Start isEmpty. Operand 47 states and 60 transitions.
[2018-12-02 12:05:47,387 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 19
[2018-12-02 12:05:47,387 INFO  L431      CodeCheckObserver]: Error Path is FOUND.
[2018-12-02 12:05:47,404 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-12-02 12:05:47,431 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2018-12-02 12:05:47,445 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2018-12-02 12:05:47,446 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 49 states and 63 transitions.
[2018-12-02 12:05:47,446 INFO  L276                IsEmpty]: Start isEmpty. Operand 49 states and 63 transitions.
[2018-12-02 12:05:47,447 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 21
[2018-12-02 12:05:47,447 INFO  L431      CodeCheckObserver]: Error Path is FOUND.
[2018-12-02 12:05:47,467 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-12-02 12:05:47,522 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2018-12-02 12:05:47,639 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2018-12-02 12:05:47,641 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 62 states and 89 transitions.
[2018-12-02 12:05:47,641 INFO  L276                IsEmpty]: Start isEmpty. Operand 62 states and 89 transitions.
[2018-12-02 12:05:47,642 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 24
[2018-12-02 12:05:47,642 INFO  L431      CodeCheckObserver]: Error Path is FOUND.
[2018-12-02 12:05:47,657 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-12-02 12:05:47,678 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2018-12-02 12:05:47,686 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2018-12-02 12:05:47,687 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 63 states and 90 transitions.
[2018-12-02 12:05:47,687 INFO  L276                IsEmpty]: Start isEmpty. Operand 63 states and 90 transitions.
[2018-12-02 12:05:47,688 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 23
[2018-12-02 12:05:47,688 INFO  L431      CodeCheckObserver]: Error Path is FOUND.
[2018-12-02 12:05:47,701 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-12-02 12:05:47,718 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2018-12-02 12:05:47,723 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2018-12-02 12:05:47,724 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 65 states and 93 transitions.
[2018-12-02 12:05:47,724 INFO  L276                IsEmpty]: Start isEmpty. Operand 65 states and 93 transitions.
[2018-12-02 12:05:47,726 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 25
[2018-12-02 12:05:47,726 INFO  L431      CodeCheckObserver]: Error Path is FOUND.
[2018-12-02 12:05:47,734 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-12-02 12:05:47,762 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2018-12-02 12:05:47,919 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2018-12-02 12:05:47,920 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 75 states and 114 transitions.
[2018-12-02 12:05:47,920 INFO  L276                IsEmpty]: Start isEmpty. Operand 75 states and 114 transitions.
[2018-12-02 12:05:47,921 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 26
[2018-12-02 12:05:47,921 INFO  L431      CodeCheckObserver]: Error Path is FOUND.
[2018-12-02 12:05:47,934 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-12-02 12:05:47,952 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2018-12-02 12:05:47,959 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2018-12-02 12:05:47,960 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 76 states and 115 transitions.
[2018-12-02 12:05:47,960 INFO  L276                IsEmpty]: Start isEmpty. Operand 76 states and 115 transitions.
[2018-12-02 12:05:47,961 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 24
[2018-12-02 12:05:47,962 INFO  L431      CodeCheckObserver]: Error Path is FOUND.
[2018-12-02 12:05:47,971 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-12-02 12:05:48,014 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2018-12-02 12:05:48,217 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2018-12-02 12:05:48,218 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 86 states and 135 transitions.
[2018-12-02 12:05:48,218 INFO  L276                IsEmpty]: Start isEmpty. Operand 86 states and 135 transitions.
[2018-12-02 12:05:48,219 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 27
[2018-12-02 12:05:48,219 INFO  L431      CodeCheckObserver]: Error Path is FOUND.
[2018-12-02 12:05:48,226 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-12-02 12:05:48,237 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2018-12-02 12:05:48,244 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2018-12-02 12:05:48,245 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 87 states and 136 transitions.
[2018-12-02 12:05:48,245 INFO  L276                IsEmpty]: Start isEmpty. Operand 87 states and 136 transitions.
[2018-12-02 12:05:48,245 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 26
[2018-12-02 12:05:48,246 INFO  L431      CodeCheckObserver]: Error Path is FOUND.
[2018-12-02 12:05:48,253 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-12-02 12:05:48,287 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2018-12-02 12:05:48,933 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2018-12-02 12:05:48,934 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 105 states and 175 transitions.
[2018-12-02 12:05:48,934 INFO  L276                IsEmpty]: Start isEmpty. Operand 105 states and 175 transitions.
[2018-12-02 12:05:48,934 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 28
[2018-12-02 12:05:48,934 INFO  L431      CodeCheckObserver]: Error Path is FOUND.
[2018-12-02 12:05:48,942 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-12-02 12:05:48,954 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2018-12-02 12:05:48,962 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2018-12-02 12:05:48,963 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 106 states and 175 transitions.
[2018-12-02 12:05:48,963 INFO  L276                IsEmpty]: Start isEmpty. Operand 106 states and 175 transitions.
[2018-12-02 12:05:48,963 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 29
[2018-12-02 12:05:48,963 INFO  L431      CodeCheckObserver]: Error Path is FOUND.
[2018-12-02 12:05:48,969 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-12-02 12:05:48,978 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2018-12-02 12:05:48,987 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2018-12-02 12:05:48,988 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 107 states and 176 transitions.
[2018-12-02 12:05:48,988 INFO  L276                IsEmpty]: Start isEmpty. Operand 107 states and 176 transitions.
[2018-12-02 12:05:48,989 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 29
[2018-12-02 12:05:48,989 INFO  L431      CodeCheckObserver]: Error Path is FOUND.
[2018-12-02 12:05:48,998 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-12-02 12:05:49,011 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2018-12-02 12:05:49,024 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2018-12-02 12:05:49,025 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 108 states and 178 transitions.
[2018-12-02 12:05:49,025 INFO  L276                IsEmpty]: Start isEmpty. Operand 108 states and 178 transitions.
[2018-12-02 12:05:49,025 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 36
[2018-12-02 12:05:49,025 INFO  L431      CodeCheckObserver]: Error Path is FOUND.
[2018-12-02 12:05:49,031 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-12-02 12:05:49,066 INFO  L134       CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.
[2018-12-02 12:05:49,283 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2018-12-02 12:05:49,284 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 114 states and 193 transitions.
[2018-12-02 12:05:49,284 INFO  L276                IsEmpty]: Start isEmpty. Operand 114 states and 193 transitions.
[2018-12-02 12:05:49,285 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 39
[2018-12-02 12:05:49,285 INFO  L431      CodeCheckObserver]: Error Path is FOUND.
[2018-12-02 12:05:49,290 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-12-02 12:05:49,298 INFO  L134       CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.
[2018-12-02 12:05:49,311 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2018-12-02 12:05:49,312 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 112 states and 189 transitions.
[2018-12-02 12:05:49,312 INFO  L276                IsEmpty]: Start isEmpty. Operand 112 states and 189 transitions.
[2018-12-02 12:05:49,313 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 39
[2018-12-02 12:05:49,313 INFO  L431      CodeCheckObserver]: Error Path is FOUND.
[2018-12-02 12:05:49,320 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-12-02 12:05:49,472 INFO  L134       CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2018-12-02 12:05:49,866 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2018-12-02 12:05:49,867 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 115 states and 196 transitions.
[2018-12-02 12:05:49,867 INFO  L276                IsEmpty]: Start isEmpty. Operand 115 states and 196 transitions.
[2018-12-02 12:05:49,868 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 40
[2018-12-02 12:05:49,868 INFO  L431      CodeCheckObserver]: Error Path is FOUND.
[2018-12-02 12:05:49,874 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-12-02 12:05:49,883 INFO  L134       CoverageAnalysis]: Checked inductivity of 15 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked.
[2018-12-02 12:05:49,992 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2018-12-02 12:05:49,993 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 117 states and 197 transitions.
[2018-12-02 12:05:49,993 INFO  L276                IsEmpty]: Start isEmpty. Operand 117 states and 197 transitions.
[2018-12-02 12:05:49,994 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 40
[2018-12-02 12:05:49,994 INFO  L431      CodeCheckObserver]: Error Path is FOUND.
[2018-12-02 12:05:50,000 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-12-02 12:05:50,261 INFO  L134       CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2018-12-02 12:05:51,918 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2018-12-02 12:05:51,919 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 132 states and 238 transitions.
[2018-12-02 12:05:51,919 INFO  L276                IsEmpty]: Start isEmpty. Operand 132 states and 238 transitions.
[2018-12-02 12:05:51,920 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 43
[2018-12-02 12:05:51,920 INFO  L431      CodeCheckObserver]: Error Path is FOUND.
[2018-12-02 12:05:51,925 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-12-02 12:05:51,932 INFO  L134       CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.
[2018-12-02 12:05:52,284 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2018-12-02 12:05:52,285 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 134 states and 243 transitions.
[2018-12-02 12:05:52,285 INFO  L276                IsEmpty]: Start isEmpty. Operand 134 states and 243 transitions.
[2018-12-02 12:05:52,286 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 43
[2018-12-02 12:05:52,286 INFO  L431      CodeCheckObserver]: Error Path is FOUND.
[2018-12-02 12:05:52,291 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-12-02 12:05:52,686 INFO  L134       CoverageAnalysis]: Checked inductivity of 12 backedges. 10 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2018-12-02 12:05:55,798 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2018-12-02 12:05:55,798 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 150 states and 284 transitions.
[2018-12-02 12:05:55,798 INFO  L276                IsEmpty]: Start isEmpty. Operand 150 states and 284 transitions.
[2018-12-02 12:05:55,799 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 46
[2018-12-02 12:05:55,800 INFO  L431      CodeCheckObserver]: Error Path is FOUND.
[2018-12-02 12:05:55,805 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-12-02 12:05:55,813 INFO  L134       CoverageAnalysis]: Checked inductivity of 12 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.
[2018-12-02 12:05:56,026 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2018-12-02 12:05:56,027 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 151 states and 286 transitions.
[2018-12-02 12:05:56,027 INFO  L276                IsEmpty]: Start isEmpty. Operand 151 states and 286 transitions.
[2018-12-02 12:05:56,027 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 46
[2018-12-02 12:05:56,027 INFO  L431      CodeCheckObserver]: Error Path is FOUND.
[2018-12-02 12:05:56,033 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-12-02 12:05:56,039 INFO  L134       CoverageAnalysis]: Checked inductivity of 12 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.
[2018-12-02 12:05:56,328 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2018-12-02 12:05:56,329 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 152 states and 288 transitions.
[2018-12-02 12:05:56,329 INFO  L276                IsEmpty]: Start isEmpty. Operand 152 states and 288 transitions.
[2018-12-02 12:05:56,330 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 45
[2018-12-02 12:05:56,330 INFO  L431      CodeCheckObserver]: Error Path is FOUND.
[2018-12-02 12:05:56,335 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-12-02 12:05:56,412 INFO  L134       CoverageAnalysis]: Checked inductivity of 15 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked.
[2018-12-02 12:05:57,163 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2018-12-02 12:05:57,164 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 159 states and 308 transitions.
[2018-12-02 12:05:57,164 INFO  L276                IsEmpty]: Start isEmpty. Operand 159 states and 308 transitions.
[2018-12-02 12:05:57,166 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 43
[2018-12-02 12:05:57,166 INFO  L431      CodeCheckObserver]: Error Path is FOUND.
[2018-12-02 12:05:57,173 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-12-02 12:05:57,184 INFO  L134       CoverageAnalysis]: Checked inductivity of 15 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.
[2018-12-02 12:05:57,380 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2018-12-02 12:05:57,381 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 326 states to 161 states and 313 transitions.
[2018-12-02 12:05:57,381 INFO  L276                IsEmpty]: Start isEmpty. Operand 161 states and 313 transitions.
[2018-12-02 12:05:57,381 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 41
[2018-12-02 12:05:57,382 INFO  L431      CodeCheckObserver]: Error Path is FOUND.
[2018-12-02 12:05:57,386 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-12-02 12:05:57,463 INFO  L134       CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked.
[2018-12-02 12:05:57,651 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2018-12-02 12:05:57,652 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 328 states to 163 states and 315 transitions.
[2018-12-02 12:05:57,652 INFO  L276                IsEmpty]: Start isEmpty. Operand 163 states and 315 transitions.
[2018-12-02 12:05:57,653 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 45
[2018-12-02 12:05:57,653 INFO  L431      CodeCheckObserver]: Error Path is FOUND.
[2018-12-02 12:05:57,658 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-12-02 12:05:57,765 INFO  L134       CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked.
[2018-12-02 12:05:59,314 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2018-12-02 12:05:59,314 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 365 states to 175 states and 352 transitions.
[2018-12-02 12:05:59,315 INFO  L276                IsEmpty]: Start isEmpty. Operand 175 states and 352 transitions.
[2018-12-02 12:05:59,315 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 43
[2018-12-02 12:05:59,315 INFO  L431      CodeCheckObserver]: Error Path is FOUND.
[2018-12-02 12:05:59,320 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-12-02 12:05:59,330 INFO  L134       CoverageAnalysis]: Checked inductivity of 15 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.
[2018-12-02 12:05:59,547 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2018-12-02 12:05:59,547 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 367 states to 177 states and 354 transitions.
[2018-12-02 12:05:59,548 INFO  L276                IsEmpty]: Start isEmpty. Operand 177 states and 354 transitions.
[2018-12-02 12:05:59,548 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 47
[2018-12-02 12:05:59,549 INFO  L431      CodeCheckObserver]: Error Path is FOUND.
[2018-12-02 12:05:59,554 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-12-02 12:05:59,561 INFO  L134       CoverageAnalysis]: Checked inductivity of 16 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.
[2018-12-02 12:05:59,994 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2018-12-02 12:05:59,995 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 395 states to 184 states and 382 transitions.
[2018-12-02 12:05:59,995 INFO  L276                IsEmpty]: Start isEmpty. Operand 184 states and 382 transitions.
[2018-12-02 12:05:59,996 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 45
[2018-12-02 12:05:59,997 INFO  L431      CodeCheckObserver]: Error Path is FOUND.
[2018-12-02 12:06:00,005 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-12-02 12:06:00,095 INFO  L134       CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked.
[2018-12-02 12:06:00,326 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2018-12-02 12:06:00,326 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 402 states to 186 states and 389 transitions.
[2018-12-02 12:06:00,326 INFO  L276                IsEmpty]: Start isEmpty. Operand 186 states and 389 transitions.
[2018-12-02 12:06:00,327 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 43
[2018-12-02 12:06:00,327 INFO  L431      CodeCheckObserver]: Error Path is FOUND.
[2018-12-02 12:06:00,331 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-12-02 12:06:00,337 INFO  L134       CoverageAnalysis]: Checked inductivity of 15 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.
[2018-12-02 12:06:01,104 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2018-12-02 12:06:01,105 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 448 states to 198 states and 432 transitions.
[2018-12-02 12:06:01,105 INFO  L276                IsEmpty]: Start isEmpty. Operand 198 states and 432 transitions.
[2018-12-02 12:06:01,105 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 47
[2018-12-02 12:06:01,105 INFO  L431      CodeCheckObserver]: Error Path is FOUND.
[2018-12-02 12:06:01,110 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-12-02 12:06:01,116 INFO  L134       CoverageAnalysis]: Checked inductivity of 16 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.
[2018-12-02 12:06:01,127 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2018-12-02 12:06:01,128 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 455 states to 199 states and 436 transitions.
[2018-12-02 12:06:01,128 INFO  L276                IsEmpty]: Start isEmpty. Operand 199 states and 436 transitions.
[2018-12-02 12:06:01,129 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 43
[2018-12-02 12:06:01,129 INFO  L431      CodeCheckObserver]: Error Path is FOUND.
[2018-12-02 12:06:01,134 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-12-02 12:06:01,141 INFO  L134       CoverageAnalysis]: Checked inductivity of 15 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.
[2018-12-02 12:06:01,355 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2018-12-02 12:06:01,356 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 456 states to 201 states and 437 transitions.
[2018-12-02 12:06:01,356 INFO  L276                IsEmpty]: Start isEmpty. Operand 201 states and 437 transitions.
[2018-12-02 12:06:01,356 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 48
[2018-12-02 12:06:01,357 INFO  L431      CodeCheckObserver]: Error Path is FOUND.
[2018-12-02 12:06:01,361 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-12-02 12:06:01,450 INFO  L134       CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked.
[2018-12-02 12:06:01,464 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2018-12-02 12:06:01,465 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 457 states to 202 states and 438 transitions.
[2018-12-02 12:06:01,465 INFO  L276                IsEmpty]: Start isEmpty. Operand 202 states and 438 transitions.
[2018-12-02 12:06:01,465 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 46
[2018-12-02 12:06:01,465 INFO  L431      CodeCheckObserver]: Error Path is FOUND.
[2018-12-02 12:06:01,470 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-12-02 12:06:01,486 INFO  L134       CoverageAnalysis]: Checked inductivity of 15 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.
[2018-12-02 12:06:01,494 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2018-12-02 12:06:01,495 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 458 states to 203 states and 439 transitions.
[2018-12-02 12:06:01,495 INFO  L276                IsEmpty]: Start isEmpty. Operand 203 states and 439 transitions.
[2018-12-02 12:06:01,495 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 45
[2018-12-02 12:06:01,496 INFO  L431      CodeCheckObserver]: Error Path is FOUND.
[2018-12-02 12:06:01,500 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-12-02 12:06:01,504 INFO  L134       CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.
[2018-12-02 12:06:01,830 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2018-12-02 12:06:01,831 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 464 states to 205 states and 443 transitions.
[2018-12-02 12:06:01,831 INFO  L276                IsEmpty]: Start isEmpty. Operand 205 states and 443 transitions.
[2018-12-02 12:06:01,832 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 48
[2018-12-02 12:06:01,832 INFO  L431      CodeCheckObserver]: Error Path is FOUND.
[2018-12-02 12:06:01,836 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-12-02 12:06:02,089 INFO  L134       CoverageAnalysis]: Checked inductivity of 17 backedges. 8 proven. 8 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2018-12-02 12:06:05,848 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2018-12-02 12:06:05,848 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 543 states to 224 states and 510 transitions.
[2018-12-02 12:06:05,848 INFO  L276                IsEmpty]: Start isEmpty. Operand 224 states and 510 transitions.
[2018-12-02 12:06:05,849 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 47
[2018-12-02 12:06:05,849 INFO  L431      CodeCheckObserver]: Error Path is FOUND.
[2018-12-02 12:06:05,853 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-12-02 12:06:05,859 INFO  L134       CoverageAnalysis]: Checked inductivity of 16 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.
[2018-12-02 12:06:06,130 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2018-12-02 12:06:06,131 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 554 states to 226 states and 520 transitions.
[2018-12-02 12:06:06,131 INFO  L276                IsEmpty]: Start isEmpty. Operand 226 states and 520 transitions.
[2018-12-02 12:06:06,131 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 44
[2018-12-02 12:06:06,131 INFO  L431      CodeCheckObserver]: Error Path is FOUND.
[2018-12-02 12:06:06,135 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-12-02 12:06:06,141 INFO  L134       CoverageAnalysis]: Checked inductivity of 16 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked.
[2018-12-02 12:06:06,260 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2018-12-02 12:06:06,261 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 555 states to 227 states and 521 transitions.
[2018-12-02 12:06:06,261 INFO  L276                IsEmpty]: Start isEmpty. Operand 227 states and 521 transitions.
[2018-12-02 12:06:06,262 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 50
[2018-12-02 12:06:06,262 INFO  L431      CodeCheckObserver]: Error Path is FOUND.
[2018-12-02 12:06:06,267 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-12-02 12:06:06,274 INFO  L134       CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked.
[2018-12-02 12:06:06,284 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2018-12-02 12:06:06,285 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 556 states to 228 states and 522 transitions.
[2018-12-02 12:06:06,285 INFO  L276                IsEmpty]: Start isEmpty. Operand 228 states and 522 transitions.
[2018-12-02 12:06:06,286 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 50
[2018-12-02 12:06:06,286 INFO  L431      CodeCheckObserver]: Error Path is FOUND.
[2018-12-02 12:06:06,290 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-12-02 12:06:06,659 INFO  L134       CoverageAnalysis]: Checked inductivity of 19 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2018-12-02 12:06:08,957 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2018-12-02 12:06:08,958 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 599 states to 237 states and 565 transitions.
[2018-12-02 12:06:08,958 INFO  L276                IsEmpty]: Start isEmpty. Operand 237 states and 565 transitions.
[2018-12-02 12:06:08,959 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 48
[2018-12-02 12:06:08,959 INFO  L431      CodeCheckObserver]: Error Path is FOUND.
[2018-12-02 12:06:08,963 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-12-02 12:06:08,970 INFO  L134       CoverageAnalysis]: Checked inductivity of 17 backedges. 8 proven. 8 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2018-12-02 12:06:09,223 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2018-12-02 12:06:09,223 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 605 states to 239 states and 571 transitions.
[2018-12-02 12:06:09,223 INFO  L276                IsEmpty]: Start isEmpty. Operand 239 states and 571 transitions.
[2018-12-02 12:06:09,224 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 48
[2018-12-02 12:06:09,224 INFO  L431      CodeCheckObserver]: Error Path is FOUND.
[2018-12-02 12:06:09,228 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-12-02 12:06:09,236 INFO  L134       CoverageAnalysis]: Checked inductivity of 17 backedges. 8 proven. 8 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2018-12-02 12:06:09,533 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2018-12-02 12:06:09,533 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 607 states to 241 states and 573 transitions.
[2018-12-02 12:06:09,534 INFO  L276                IsEmpty]: Start isEmpty. Operand 241 states and 573 transitions.
[2018-12-02 12:06:09,534 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 50
[2018-12-02 12:06:09,534 INFO  L431      CodeCheckObserver]: Error Path is FOUND.
[2018-12-02 12:06:09,539 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-12-02 12:06:09,546 INFO  L134       CoverageAnalysis]: Checked inductivity of 19 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2018-12-02 12:06:09,883 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2018-12-02 12:06:09,884 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 622 states to 243 states and 575 transitions.
[2018-12-02 12:06:09,884 INFO  L276                IsEmpty]: Start isEmpty. Operand 243 states and 575 transitions.
[2018-12-02 12:06:09,884 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 50
[2018-12-02 12:06:09,884 INFO  L431      CodeCheckObserver]: Error Path is FOUND.
[2018-12-02 12:06:09,889 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-12-02 12:06:09,966 INFO  L134       CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked.
[2018-12-02 12:06:10,798 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2018-12-02 12:06:10,799 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 625 states to 244 states and 578 transitions.
[2018-12-02 12:06:10,799 INFO  L276                IsEmpty]: Start isEmpty. Operand 244 states and 578 transitions.
[2018-12-02 12:06:10,799 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 50
[2018-12-02 12:06:10,800 INFO  L431      CodeCheckObserver]: Error Path is FOUND.
[2018-12-02 12:06:10,804 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-12-02 12:06:10,872 INFO  L134       CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked.
[2018-12-02 12:06:12,743 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2018-12-02 12:06:12,745 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 632 states to 248 states and 578 transitions.
[2018-12-02 12:06:12,745 INFO  L276                IsEmpty]: Start isEmpty. Operand 248 states and 578 transitions.
[2018-12-02 12:06:12,746 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 52
[2018-12-02 12:06:12,746 INFO  L431      CodeCheckObserver]: Error Path is FOUND.
[2018-12-02 12:06:12,762 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2018-12-02 12:06:12,797 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2018-12-02 12:06:12,867 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2018-12-02 12:06:12,892 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2018-12-02 12:06:12,938 WARN  L497      CodeCheckObserver]: This program is UNSAFE, Check terminated with 46 iterations.
[2018-12-02 12:06:13,026 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 02.12 12:06:13 ImpRootNode
[2018-12-02 12:06:13,026 INFO  L132        PluginConnector]: ------------------------ END CodeCheck----------------------------
[2018-12-02 12:06:13,027 INFO  L113        PluginConnector]: ------------------------Witness Printer----------------------------
[2018-12-02 12:06:13,027 INFO  L271        PluginConnector]: Initializing Witness Printer...
[2018-12-02 12:06:13,027 INFO  L276        PluginConnector]: Witness Printer initialized
[2018-12-02 12:06:13,027 INFO  L185        PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 12:05:47" (3/4) ...
[2018-12-02 12:06:13,029 INFO  L138         WitnessPrinter]: Generating witness for reachability counterexample
[2018-12-02 12:06:13,093 INFO  L145         WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_d4bc7039-b48a-4f4a-ab46-e0de35188b80/bin-2019/ukojak/witness.graphml
[2018-12-02 12:06:13,093 INFO  L132        PluginConnector]: ------------------------ END Witness Printer----------------------------
[2018-12-02 12:06:13,094 INFO  L168              Benchmark]: Toolchain (without parser) took 26617.48 ms. Allocated memory was 1.0 GB in the beginning and 1.7 GB in the end (delta: 638.1 MB). Free memory was 951.7 MB in the beginning and 1.5 GB in the end (delta: -564.2 MB). Peak memory consumption was 73.9 MB. Max. memory is 11.5 GB.
[2018-12-02 12:06:13,095 INFO  L168              Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB.
[2018-12-02 12:06:13,095 INFO  L168              Benchmark]: CACSL2BoogieTranslator took 282.35 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 154.7 MB). Free memory was 951.7 MB in the beginning and 1.1 GB in the end (delta: -190.6 MB). Peak memory consumption was 27.4 MB. Max. memory is 11.5 GB.
[2018-12-02 12:06:13,095 INFO  L168              Benchmark]: Boogie Procedure Inliner took 31.80 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB.
[2018-12-02 12:06:13,095 INFO  L168              Benchmark]: Boogie Preprocessor took 17.73 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB.
[2018-12-02 12:06:13,095 INFO  L168              Benchmark]: RCFGBuilder took 412.44 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 76.4 MB). Peak memory consumption was 76.4 MB. Max. memory is 11.5 GB.
[2018-12-02 12:06:13,096 INFO  L168              Benchmark]: CodeCheck took 25803.58 ms. Allocated memory was 1.2 GB in the beginning and 1.7 GB in the end (delta: 483.4 MB). Free memory was 1.1 GB in the beginning and 1.5 GB in the end (delta: -469.2 MB). Peak memory consumption was 14.2 MB. Max. memory is 11.5 GB.
[2018-12-02 12:06:13,096 INFO  L168              Benchmark]: Witness Printer took 66.74 ms. Allocated memory is still 1.7 GB. Free memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: 15.8 MB). Peak memory consumption was 15.8 MB. Max. memory is 11.5 GB.
[2018-12-02 12:06:13,097 INFO  L336   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, 68 locations, 1 error locations. UNSAFE Result, 25.6s OverallTime, 46 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: -1535804244 SDtfs, 534247984 SDslu, -1300216836 SDs, 0 SdLazy, 504342796 SolverSat, -1348327856 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 22.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 20665 GetRequests, 20115 SyntacticMatches, 64 SemanticMatches, 486 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 110092 ImplicationChecksByTransitivity, 22.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.4s InterpolantComputationTime, 1763 NumberOfCodeBlocks, 1763 NumberOfCodeBlocksAsserted, 46 NumberOfCheckSat, 1667 ConstructedInterpolants, 0 QuantifiedInterpolants, 157731 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 45 InterpolantComputations, 30 PerfectInterpolantSequences, 388/474 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available
  - CounterExampleResult [Line: 249]: a call of __VERIFIER_error() is reachable
    a call of __VERIFIER_error() is reachable
We found a FailurePath: 
[L40]               int cleanupTimeShifts  =    4;
[L151]              int waterLevel  =    1;
[L152]              int methaneLevelCritical  =    0;
[L255]              int methAndRunningLastTime  ;
[L498]              static struct __ACC__ERR *head  =    (struct __ACC__ERR *)0;
[L765]              int pumpRunning  =    0;
[L766]              int systemActive  =    1;
[L123]              int retValue_acc ;
[L124]              int tmp ;
[L320]              int retValue_acc ;
[L323]              retValue_acc = 1
[L324]              return (retValue_acc);
[L130]              tmp = valid_product()
[L132]  COND TRUE   \read(tmp)
[L260]              methAndRunningLastTime = 0
[L697]              int splverifierCounter ;
[L698]              int tmp ;
[L699]              int tmp___0 ;
[L700]              int tmp___1 ;
[L701]              int tmp___2 ;
[L704]              splverifierCounter = 0
        VAL         [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1]
[L706]  COND TRUE   1
        VAL         [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1]
[L708]  COND TRUE   splverifierCounter < 4
[L714]              tmp = __VERIFIER_nondet_int()
[L716]  COND TRUE   \read(tmp)
        VAL         [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1]
[L718]  CALL        waterRise()
        VAL         [\old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1]
[L169]  COND TRUE   waterLevel < 2
[L170]              waterLevel = waterLevel + 1
[L718]  RET         waterRise()
        VAL         [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2]
[L724]              tmp___0 = __VERIFIER_nondet_int()
[L726]  COND TRUE   \read(tmp___0)
        VAL         [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2]
[L728]  CALL        changeMethaneLevel()
        VAL         [\old(methaneLevelCritical)=0, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2]
[L181]  COND FALSE  !(\read(methaneLevelCritical))
[L184]              methaneLevelCritical = 1
[L728]  RET         changeMethaneLevel()
        VAL         [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2]
[L734]              tmp___2 = __VERIFIER_nondet_int()
[L736]  COND FALSE  !(\read(tmp___2))
[L742]              tmp___1 = __VERIFIER_nondet_int()
[L744]  COND TRUE   \read(tmp___1)
        VAL         [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2]
[L751]  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]
[L772]  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]
[L779]  COND TRUE   \read(systemActive)
[L801]              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]
[L804]  COND TRUE   ! pumpRunning
[L898]              int retValue_acc ;
[L899]              int tmp ;
[L900]              int tmp___0 ;
[L231]              int retValue_acc ;
[L234]  COND FALSE  !(waterLevel < 2)
[L238]              retValue_acc = 0
[L239]              return (retValue_acc);
[L904]              tmp = isHighWaterSensorDry()
[L906]  COND FALSE  !(\read(tmp))
[L909]              tmp___0 = 1
[L911]              retValue_acc = tmp___0
[L912]              return (retValue_acc);
[L806]              tmp = isHighWaterLevel()
[L808]  COND TRUE   \read(tmp)
[L829]              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]
[L265]              int tmp ;
[L266]              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]
[L270]  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]
[L190]              int retValue_acc ;
[L193]              retValue_acc = methaneLevelCritical
[L194]              return (retValue_acc);
[L270]  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]
[L270]              tmp = isMethaneLevelCritical()
[L272]  COND TRUE   \read(tmp)
[L853]              int retValue_acc ;
[L856]              retValue_acc = pumpRunning
[L857]              return (retValue_acc);
[L274]              tmp___0 = isPumpRunning()
[L276]  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]
[L277]  COND FALSE  !(\read(methAndRunningLastTime))
[L282]              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]
[L751]  RET         timeShift()
        VAL         [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2]
[L706]  COND TRUE   1
        VAL         [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2]
[L708]  COND TRUE   splverifierCounter < 4
[L714]              tmp = __VERIFIER_nondet_int()
[L716]  COND FALSE  !(\read(tmp))
        VAL         [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2]
[L724]              tmp___0 = __VERIFIER_nondet_int()
[L726]  COND FALSE  !(\read(tmp___0))
        VAL         [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2]
[L734]              tmp___2 = __VERIFIER_nondet_int()
[L736]  COND TRUE   \read(tmp___2)
[L920]              systemActive = 1
        VAL         [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2]
[L751]  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]
[L772]  COND TRUE   \read(pumpRunning)
[L157]  COND TRUE   waterLevel > 0
[L158]              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]
[L779]  COND TRUE   \read(systemActive)
[L801]              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]
[L804]  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]
[L819]  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]
[L265]              int tmp ;
[L266]              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]
[L270]  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]
[L190]              int retValue_acc ;
[L193]              retValue_acc = methaneLevelCritical
[L194]              return (retValue_acc);
[L270]  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]
[L270]              tmp = isMethaneLevelCritical()
[L272]  COND TRUE   \read(tmp)
[L853]              int retValue_acc ;
[L856]              retValue_acc = pumpRunning
[L857]              return (retValue_acc);
[L274]              tmp___0 = isPumpRunning()
[L276]  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]
[L277]  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]
[L249]              __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 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB.
 * CACSL2BoogieTranslator took 282.35 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 154.7 MB). Free memory was 951.7 MB in the beginning and 1.1 GB in the end (delta: -190.6 MB). Peak memory consumption was 27.4 MB. Max. memory is 11.5 GB.
 * Boogie Procedure Inliner took 31.80 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB.
 * Boogie Preprocessor took 17.73 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 412.44 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 76.4 MB). Peak memory consumption was 76.4 MB. Max. memory is 11.5 GB.
 * CodeCheck took 25803.58 ms. Allocated memory was 1.2 GB in the beginning and 1.7 GB in the end (delta: 483.4 MB). Free memory was 1.1 GB in the beginning and 1.5 GB in the end (delta: -469.2 MB). Peak memory consumption was 14.2 MB. Max. memory is 11.5 GB.
 * Witness Printer took 66.74 ms. Allocated memory is still 1.7 GB. Free memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: 15.8 MB). Peak memory consumption was 15.8 MB. Max. memory is 11.5 GB.
RESULT: Ultimate proved your program to be incorrect!
Received shutdown request...