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


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


Checking for ERROR reachability
Using default analysis
Version cad46833
Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_77ba094d-7b36-4590-9617-316dc9a3611f/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_77ba094d-7b36-4590-9617-316dc9a3611f/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_77ba094d-7b36-4590-9617-316dc9a3611f/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_77ba094d-7b36-4590-9617-316dc9a3611f/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product51.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_77ba094d-7b36-4590-9617-316dc9a3611f/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_77ba094d-7b36-4590-9617-316dc9a3611f/bin/ukojak --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) )

 --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 0d6f6f11832d8f580d186172cf5d58d3f276ea91
...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................
Execution finished normally
Writing output log to file Ultimate.log
Writing human readable error path to file UltimateCounterExample.errorpath
Result:
FALSE
--- Real Ultimate output ---
This is Ultimate 0.1.24-cad4683
[2019-10-22 10:12:59,568 INFO  L177        SettingsManager]: Resetting all preferences to default values...
[2019-10-22 10:12:59,571 INFO  L181        SettingsManager]: Resetting UltimateCore preferences to default values
[2019-10-22 10:12:59,581 INFO  L184        SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2019-10-22 10:12:59,582 INFO  L181        SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2019-10-22 10:12:59,583 INFO  L181        SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2019-10-22 10:12:59,584 INFO  L181        SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2019-10-22 10:12:59,586 INFO  L181        SettingsManager]: Resetting LassoRanker preferences to default values
[2019-10-22 10:12:59,587 INFO  L181        SettingsManager]: Resetting Reaching Definitions preferences to default values
[2019-10-22 10:12:59,588 INFO  L181        SettingsManager]: Resetting SyntaxChecker preferences to default values
[2019-10-22 10:12:59,588 INFO  L181        SettingsManager]: Resetting Sifa preferences to default values
[2019-10-22 10:12:59,589 INFO  L184        SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2019-10-22 10:12:59,589 INFO  L181        SettingsManager]: Resetting LTL2Aut preferences to default values
[2019-10-22 10:12:59,590 INFO  L181        SettingsManager]: Resetting PEA to Boogie preferences to default values
[2019-10-22 10:12:59,591 INFO  L181        SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2019-10-22 10:12:59,592 INFO  L181        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2019-10-22 10:12:59,592 INFO  L181        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2019-10-22 10:12:59,593 INFO  L181        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2019-10-22 10:12:59,597 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2019-10-22 10:12:59,599 INFO  L181        SettingsManager]: Resetting CodeCheck preferences to default values
[2019-10-22 10:12:59,600 INFO  L181        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2019-10-22 10:12:59,601 INFO  L181        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2019-10-22 10:12:59,602 INFO  L181        SettingsManager]: Resetting Referee preferences to default values
[2019-10-22 10:12:59,606 INFO  L181        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2019-10-22 10:12:59,608 INFO  L184        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2019-10-22 10:12:59,609 INFO  L184        SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2019-10-22 10:12:59,609 INFO  L181        SettingsManager]: Resetting TreeAutomizer preferences to default values
[2019-10-22 10:12:59,609 INFO  L181        SettingsManager]: Resetting IcfgToChc preferences to default values
[2019-10-22 10:12:59,610 INFO  L181        SettingsManager]: Resetting IcfgTransformer preferences to default values
[2019-10-22 10:12:59,613 INFO  L184        SettingsManager]: ReqToTest provides no preferences, ignoring...
[2019-10-22 10:12:59,614 INFO  L181        SettingsManager]: Resetting Boogie Printer preferences to default values
[2019-10-22 10:12:59,615 INFO  L181        SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2019-10-22 10:12:59,615 INFO  L181        SettingsManager]: Resetting ReqPrinter preferences to default values
[2019-10-22 10:12:59,616 INFO  L181        SettingsManager]: Resetting Witness Printer preferences to default values
[2019-10-22 10:12:59,617 INFO  L184        SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2019-10-22 10:12:59,617 INFO  L181        SettingsManager]: Resetting CDTParser preferences to default values
[2019-10-22 10:12:59,618 INFO  L184        SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2019-10-22 10:12:59,618 INFO  L184        SettingsManager]: ReqParser provides no preferences, ignoring...
[2019-10-22 10:12:59,618 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
[2019-10-22 10:12:59,623 INFO  L181        SettingsManager]: Resetting Witness Parser preferences to default values
[2019-10-22 10:12:59,626 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2019-10-22 10:12:59,626 INFO  L101        SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_77ba094d-7b36-4590-9617-316dc9a3611f/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf
[2019-10-22 10:12:59,637 INFO  L113        SettingsManager]: Loading preferences was successful
[2019-10-22 10:12:59,637 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2019-10-22 10:12:59,638 INFO  L136        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2019-10-22 10:12:59,638 INFO  L138        SettingsManager]:  * Ignore calls to procedures called more than once=ALWAYS
[2019-10-22 10:12:59,639 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2019-10-22 10:12:59,639 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2019-10-22 10:12:59,639 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2019-10-22 10:12:59,639 INFO  L138        SettingsManager]:  * sizeof long=4
[2019-10-22 10:12:59,640 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2019-10-22 10:12:59,640 INFO  L138        SettingsManager]:  * sizeof POINTER=4
[2019-10-22 10:12:59,640 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2019-10-22 10:12:59,640 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2019-10-22 10:12:59,640 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2019-10-22 10:12:59,640 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2019-10-22 10:12:59,641 INFO  L138        SettingsManager]:  * sizeof long double=12
[2019-10-22 10:12:59,641 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2019-10-22 10:12:59,641 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2019-10-22 10:12:59,641 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2019-10-22 10:12:59,641 INFO  L136        SettingsManager]: Preferences of CodeCheck differ from their defaults:
[2019-10-22 10:12:59,641 INFO  L138        SettingsManager]:  * Timeout in seconds=1000000
[2019-10-22 10:12:59,641 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2019-10-22 10:12:59,642 INFO  L138        SettingsManager]:  * To the following directory=./dump/
[2019-10-22 10:12:59,642 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000
[2019-10-22 10:12:59,642 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2019-10-22 10:12:59,642 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2019-10-22 10:12:59,642 INFO  L138        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2019-10-22 10:12:59,642 INFO  L138        SettingsManager]:  * Trace refinement strategy=PENGUIN
[2019-10-22 10:12:59,643 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2019-10-22 10:12:59,643 INFO  L138        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2019-10-22 10:12:59,643 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/working_dir_77ba094d-7b36-4590-9617-316dc9a3611f/bin/ukojak
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) )


Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0d6f6f11832d8f580d186172cf5d58d3f276ea91
[2019-10-22 10:12:59,666 INFO  L81    nceAwareModelManager]: Repository-Root is: /tmp
[2019-10-22 10:12:59,676 INFO  L258   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2019-10-22 10:12:59,679 INFO  L214   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2019-10-22 10:12:59,681 INFO  L271        PluginConnector]: Initializing CDTParser...
[2019-10-22 10:12:59,681 INFO  L275        PluginConnector]: CDTParser initialized
[2019-10-22 10:12:59,682 INFO  L428   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_77ba094d-7b36-4590-9617-316dc9a3611f/bin/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec1_product51.cil.c
[2019-10-22 10:12:59,727 INFO  L220              CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_77ba094d-7b36-4590-9617-316dc9a3611f/bin/ukojak/data/0f9ce8cae/d31d66987d9047189b8cef366b4b5d4e/FLAG368150549
[2019-10-22 10:13:00,168 INFO  L306              CDTParser]: Found 1 translation units.
[2019-10-22 10:13:00,169 INFO  L160              CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_77ba094d-7b36-4590-9617-316dc9a3611f/sv-benchmarks/c/product-lines/minepump_spec1_product51.cil.c
[2019-10-22 10:13:00,177 INFO  L349              CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_77ba094d-7b36-4590-9617-316dc9a3611f/bin/ukojak/data/0f9ce8cae/d31d66987d9047189b8cef366b4b5d4e/FLAG368150549
[2019-10-22 10:13:00,530 INFO  L357              CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_77ba094d-7b36-4590-9617-316dc9a3611f/bin/ukojak/data/0f9ce8cae/d31d66987d9047189b8cef366b4b5d4e
[2019-10-22 10:13:00,532 INFO  L296   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2019-10-22 10:13:00,533 INFO  L131        ToolchainWalker]: Walking toolchain with 6 elements.
[2019-10-22 10:13:00,534 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2019-10-22 10:13:00,534 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2019-10-22 10:13:00,537 INFO  L275        PluginConnector]: CACSL2BoogieTranslator initialized
[2019-10-22 10:13:00,537 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 10:13:00" (1/1) ...
[2019-10-22 10:13:00,539 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5f0c4c28 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:13:00, skipping insertion in model container
[2019-10-22 10:13:00,539 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 10:13:00" (1/1) ...
[2019-10-22 10:13:00,545 INFO  L142         MainTranslator]: Starting translation in SV-COMP mode 
[2019-10-22 10:13:00,585 INFO  L173         MainTranslator]: Built tables and reachable declarations
[2019-10-22 10:13:00,958 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2019-10-22 10:13:00,969 INFO  L188         MainTranslator]: Completed pre-run
[2019-10-22 10:13:01,073 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2019-10-22 10:13:01,092 INFO  L192         MainTranslator]: Completed translation
[2019-10-22 10:13:01,093 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:13:01 WrapperNode
[2019-10-22 10:13:01,093 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2019-10-22 10:13:01,093 INFO  L113        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2019-10-22 10:13:01,094 INFO  L271        PluginConnector]: Initializing Boogie Procedure Inliner...
[2019-10-22 10:13:01,094 INFO  L275        PluginConnector]: Boogie Procedure Inliner initialized
[2019-10-22 10:13:01,102 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:13:01" (1/1) ...
[2019-10-22 10:13:01,116 INFO  L185        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:13:01" (1/1) ...
[2019-10-22 10:13:01,144 INFO  L132        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2019-10-22 10:13:01,144 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2019-10-22 10:13:01,144 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2019-10-22 10:13:01,144 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2019-10-22 10:13:01,153 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:13:01" (1/1) ...
[2019-10-22 10:13:01,153 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:13:01" (1/1) ...
[2019-10-22 10:13:01,156 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:13:01" (1/1) ...
[2019-10-22 10:13:01,156 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:13:01" (1/1) ...
[2019-10-22 10:13:01,162 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:13:01" (1/1) ...
[2019-10-22 10:13:01,167 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:13:01" (1/1) ...
[2019-10-22 10:13:01,169 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:13:01" (1/1) ...
[2019-10-22 10:13:01,172 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2019-10-22 10:13:01,173 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2019-10-22 10:13:01,173 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2019-10-22 10:13:01,173 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2019-10-22 10:13:01,174 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:13:01" (1/1) ...
No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_77ba094d-7b36-4590-9617-316dc9a3611f/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
[2019-10-22 10:13:01,225 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2019-10-22 10:13:01,225 INFO  L130     BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base
[2019-10-22 10:13:01,225 INFO  L138     BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base
[2019-10-22 10:13:01,225 INFO  L130     BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical
[2019-10-22 10:13:01,226 INFO  L138     BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical
[2019-10-22 10:13:01,226 INFO  L130     BoogieDeclarations]: Found specification of procedure cleanup
[2019-10-22 10:13:01,226 INFO  L138     BoogieDeclarations]: Found implementation of procedure cleanup
[2019-10-22 10:13:01,226 INFO  L130     BoogieDeclarations]: Found specification of procedure timeShift
[2019-10-22 10:13:01,226 INFO  L138     BoogieDeclarations]: Found implementation of procedure timeShift
[2019-10-22 10:13:01,226 INFO  L130     BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor
[2019-10-22 10:13:01,226 INFO  L138     BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor
[2019-10-22 10:13:01,226 INFO  L130     BoogieDeclarations]: Found specification of procedure waterRise
[2019-10-22 10:13:01,226 INFO  L138     BoogieDeclarations]: Found implementation of procedure waterRise
[2019-10-22 10:13:01,226 INFO  L130     BoogieDeclarations]: Found specification of procedure deactivatePump
[2019-10-22 10:13:01,227 INFO  L138     BoogieDeclarations]: Found implementation of procedure deactivatePump
[2019-10-22 10:13:01,228 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int
[2019-10-22 10:13:01,228 INFO  L130     BoogieDeclarations]: Found specification of procedure changeMethaneLevel
[2019-10-22 10:13:01,228 INFO  L138     BoogieDeclarations]: Found implementation of procedure changeMethaneLevel
[2019-10-22 10:13:01,228 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2019-10-22 10:13:01,228 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2019-10-22 10:13:02,162 INFO  L279             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2019-10-22 10:13:02,163 INFO  L284             CfgBuilder]: Removed 40 assume(true) statements.
[2019-10-22 10:13:02,164 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 10:13:02 BoogieIcfgContainer
[2019-10-22 10:13:02,164 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2019-10-22 10:13:02,165 INFO  L113        PluginConnector]: ------------------------CodeCheck----------------------------
[2019-10-22 10:13:02,165 INFO  L271        PluginConnector]: Initializing CodeCheck...
[2019-10-22 10:13:02,176 INFO  L275        PluginConnector]: CodeCheck initialized
[2019-10-22 10:13:02,176 INFO  L185        PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 10:13:02" (1/1) ...
[2019-10-22 10:13:02,187 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2019-10-22 10:13:02,214 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2019-10-22 10:13:02,223 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 61 states and 82 transitions.
[2019-10-22 10:13:02,224 INFO  L276                IsEmpty]: Start isEmpty. Operand 61 states and 82 transitions.
[2019-10-22 10:13:02,229 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 17
[2019-10-22 10:13:02,229 INFO  L428      CodeCheckObserver]: Error Path is FOUND.
[2019-10-22 10:13:02,352 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-22 10:13:02,418 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2019-10-22 10:13:02,432 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2019-10-22 10:13:02,433 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 61 states and 80 transitions.
[2019-10-22 10:13:02,434 INFO  L276                IsEmpty]: Start isEmpty. Operand 61 states and 80 transitions.
[2019-10-22 10:13:02,437 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 18
[2019-10-22 10:13:02,437 INFO  L428      CodeCheckObserver]: Error Path is FOUND.
[2019-10-22 10:13:02,489 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-22 10:13:02,552 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2019-10-22 10:13:02,582 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2019-10-22 10:13:02,583 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 63 states and 83 transitions.
[2019-10-22 10:13:02,584 INFO  L276                IsEmpty]: Start isEmpty. Operand 63 states and 83 transitions.
[2019-10-22 10:13:02,584 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 21
[2019-10-22 10:13:02,585 INFO  L428      CodeCheckObserver]: Error Path is FOUND.
[2019-10-22 10:13:02,636 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-22 10:13:02,677 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2019-10-22 10:13:02,816 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2019-10-22 10:13:02,817 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 73 states and 104 transitions.
[2019-10-22 10:13:02,817 INFO  L276                IsEmpty]: Start isEmpty. Operand 73 states and 104 transitions.
[2019-10-22 10:13:02,818 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 22
[2019-10-22 10:13:02,818 INFO  L428      CodeCheckObserver]: Error Path is FOUND.
[2019-10-22 10:13:02,844 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-22 10:13:02,884 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2019-10-22 10:13:02,894 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2019-10-22 10:13:02,898 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 74 states and 105 transitions.
[2019-10-22 10:13:02,898 INFO  L276                IsEmpty]: Start isEmpty. Operand 74 states and 105 transitions.
[2019-10-22 10:13:02,899 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 24
[2019-10-22 10:13:02,899 INFO  L428      CodeCheckObserver]: Error Path is FOUND.
[2019-10-22 10:13:02,923 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-22 10:13:02,959 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2019-10-22 10:13:02,971 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2019-10-22 10:13:02,972 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 75 states and 106 transitions.
[2019-10-22 10:13:02,972 INFO  L276                IsEmpty]: Start isEmpty. Operand 75 states and 106 transitions.
[2019-10-22 10:13:02,973 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 24
[2019-10-22 10:13:02,973 INFO  L428      CodeCheckObserver]: Error Path is FOUND.
[2019-10-22 10:13:02,998 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-22 10:13:03,034 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2019-10-22 10:13:03,045 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2019-10-22 10:13:03,046 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 76 states and 107 transitions.
[2019-10-22 10:13:03,046 INFO  L276                IsEmpty]: Start isEmpty. Operand 76 states and 107 transitions.
[2019-10-22 10:13:03,047 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 24
[2019-10-22 10:13:03,047 INFO  L428      CodeCheckObserver]: Error Path is FOUND.
[2019-10-22 10:13:03,065 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-22 10:13:03,156 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2019-10-22 10:13:03,609 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2019-10-22 10:13:03,610 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 93 states and 145 transitions.
[2019-10-22 10:13:03,611 INFO  L276                IsEmpty]: Start isEmpty. Operand 93 states and 145 transitions.
[2019-10-22 10:13:03,612 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 27
[2019-10-22 10:13:03,612 INFO  L428      CodeCheckObserver]: Error Path is FOUND.
[2019-10-22 10:13:03,632 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-22 10:13:03,654 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2019-10-22 10:13:03,667 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2019-10-22 10:13:03,668 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 94 states and 146 transitions.
[2019-10-22 10:13:03,668 INFO  L276                IsEmpty]: Start isEmpty. Operand 94 states and 146 transitions.
[2019-10-22 10:13:03,670 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 27
[2019-10-22 10:13:03,670 INFO  L428      CodeCheckObserver]: Error Path is FOUND.
[2019-10-22 10:13:03,712 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-22 10:13:03,797 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2019-10-22 10:13:04,749 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2019-10-22 10:13:04,750 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 113 states and 187 transitions.
[2019-10-22 10:13:04,750 INFO  L276                IsEmpty]: Start isEmpty. Operand 113 states and 187 transitions.
[2019-10-22 10:13:04,751 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 27
[2019-10-22 10:13:04,751 INFO  L428      CodeCheckObserver]: Error Path is FOUND.
[2019-10-22 10:13:04,767 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-22 10:13:04,783 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2019-10-22 10:13:04,899 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2019-10-22 10:13:04,900 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 117 states and 193 transitions.
[2019-10-22 10:13:04,900 INFO  L276                IsEmpty]: Start isEmpty. Operand 117 states and 193 transitions.
[2019-10-22 10:13:04,901 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 31
[2019-10-22 10:13:04,901 INFO  L428      CodeCheckObserver]: Error Path is FOUND.
[2019-10-22 10:13:04,912 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-22 10:13:04,960 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2019-10-22 10:13:05,120 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2019-10-22 10:13:05,121 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 120 states and 201 transitions.
[2019-10-22 10:13:05,121 INFO  L276                IsEmpty]: Start isEmpty. Operand 120 states and 201 transitions.
[2019-10-22 10:13:05,122 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 26
[2019-10-22 10:13:05,122 INFO  L428      CodeCheckObserver]: Error Path is FOUND.
[2019-10-22 10:13:05,140 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-22 10:13:05,155 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2019-10-22 10:13:05,185 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2019-10-22 10:13:05,186 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 124 states and 211 transitions.
[2019-10-22 10:13:05,186 INFO  L276                IsEmpty]: Start isEmpty. Operand 124 states and 211 transitions.
[2019-10-22 10:13:05,188 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 29
[2019-10-22 10:13:05,188 INFO  L428      CodeCheckObserver]: Error Path is FOUND.
[2019-10-22 10:13:05,199 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-22 10:13:05,212 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2019-10-22 10:13:05,221 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2019-10-22 10:13:05,222 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 125 states and 212 transitions.
[2019-10-22 10:13:05,222 INFO  L276                IsEmpty]: Start isEmpty. Operand 125 states and 212 transitions.
[2019-10-22 10:13:05,223 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 28
[2019-10-22 10:13:05,223 INFO  L428      CodeCheckObserver]: Error Path is FOUND.
[2019-10-22 10:13:05,233 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-22 10:13:05,479 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2019-10-22 10:13:06,198 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2019-10-22 10:13:06,199 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 139 states and 253 transitions.
[2019-10-22 10:13:06,199 INFO  L276                IsEmpty]: Start isEmpty. Operand 139 states and 253 transitions.
[2019-10-22 10:13:06,201 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 31
[2019-10-22 10:13:06,202 INFO  L428      CodeCheckObserver]: Error Path is FOUND.
[2019-10-22 10:13:06,215 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-22 10:13:06,341 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2019-10-22 10:13:06,674 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2019-10-22 10:13:06,675 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 141 states and 259 transitions.
[2019-10-22 10:13:06,675 INFO  L276                IsEmpty]: Start isEmpty. Operand 141 states and 259 transitions.
[2019-10-22 10:13:06,676 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 29
[2019-10-22 10:13:06,676 INFO  L428      CodeCheckObserver]: Error Path is FOUND.
[2019-10-22 10:13:06,687 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-22 10:13:06,707 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2019-10-22 10:13:06,726 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2019-10-22 10:13:06,727 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 142 states and 260 transitions.
[2019-10-22 10:13:06,728 INFO  L276                IsEmpty]: Start isEmpty. Operand 142 states and 260 transitions.
[2019-10-22 10:13:06,728 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 31
[2019-10-22 10:13:06,729 INFO  L428      CodeCheckObserver]: Error Path is FOUND.
[2019-10-22 10:13:06,741 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-22 10:13:06,768 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2019-10-22 10:13:07,040 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2019-10-22 10:13:07,041 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 147 states and 268 transitions.
[2019-10-22 10:13:07,041 INFO  L276                IsEmpty]: Start isEmpty. Operand 147 states and 268 transitions.
[2019-10-22 10:13:07,042 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 31
[2019-10-22 10:13:07,042 INFO  L428      CodeCheckObserver]: Error Path is FOUND.
[2019-10-22 10:13:07,052 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-22 10:13:07,070 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2019-10-22 10:13:07,194 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2019-10-22 10:13:07,195 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 150 states and 274 transitions.
[2019-10-22 10:13:07,196 INFO  L276                IsEmpty]: Start isEmpty. Operand 150 states and 274 transitions.
[2019-10-22 10:13:07,196 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 30
[2019-10-22 10:13:07,196 INFO  L428      CodeCheckObserver]: Error Path is FOUND.
[2019-10-22 10:13:07,206 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-22 10:13:07,218 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2019-10-22 10:13:07,497 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2019-10-22 10:13:07,498 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 152 states and 279 transitions.
[2019-10-22 10:13:07,498 INFO  L276                IsEmpty]: Start isEmpty. Operand 152 states and 279 transitions.
[2019-10-22 10:13:07,499 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 31
[2019-10-22 10:13:07,499 INFO  L428      CodeCheckObserver]: Error Path is FOUND.
[2019-10-22 10:13:07,516 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-22 10:13:07,533 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2019-10-22 10:13:07,765 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2019-10-22 10:13:07,767 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 157 states and 287 transitions.
[2019-10-22 10:13:07,773 INFO  L276                IsEmpty]: Start isEmpty. Operand 157 states and 287 transitions.
[2019-10-22 10:13:07,774 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 34
[2019-10-22 10:13:07,774 INFO  L428      CodeCheckObserver]: Error Path is FOUND.
[2019-10-22 10:13:07,822 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-22 10:13:07,846 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2019-10-22 10:13:08,346 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2019-10-22 10:13:08,347 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 157 states and 285 transitions.
[2019-10-22 10:13:08,347 INFO  L276                IsEmpty]: Start isEmpty. Operand 157 states and 285 transitions.
[2019-10-22 10:13:08,348 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 34
[2019-10-22 10:13:08,348 INFO  L428      CodeCheckObserver]: Error Path is FOUND.
[2019-10-22 10:13:08,360 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-22 10:13:08,384 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2019-10-22 10:13:08,583 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2019-10-22 10:13:08,584 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 311 states to 160 states and 293 transitions.
[2019-10-22 10:13:08,584 INFO  L276                IsEmpty]: Start isEmpty. Operand 160 states and 293 transitions.
[2019-10-22 10:13:08,585 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 32
[2019-10-22 10:13:08,585 INFO  L428      CodeCheckObserver]: Error Path is FOUND.
[2019-10-22 10:13:08,597 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-22 10:13:08,618 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2019-10-22 10:13:08,647 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2019-10-22 10:13:08,648 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 161 states and 294 transitions.
[2019-10-22 10:13:08,648 INFO  L276                IsEmpty]: Start isEmpty. Operand 161 states and 294 transitions.
[2019-10-22 10:13:08,649 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 34
[2019-10-22 10:13:08,649 INFO  L428      CodeCheckObserver]: Error Path is FOUND.
[2019-10-22 10:13:08,942 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2019-10-22 10:13:09,216 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2019-10-22 10:13:09,350 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2019-10-22 10:13:09,404 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2019-10-22 10:13:09,491 WARN  L489      CodeCheckObserver]: This program is UNSAFE, Check terminated with 24 iterations.
[2019-10-22 10:13:09,664 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 22.10 10:13:09 ImpRootNode
[2019-10-22 10:13:09,672 INFO  L132        PluginConnector]: ------------------------ END CodeCheck----------------------------
[2019-10-22 10:13:09,672 INFO  L113        PluginConnector]: ------------------------Witness Printer----------------------------
[2019-10-22 10:13:09,672 INFO  L271        PluginConnector]: Initializing Witness Printer...
[2019-10-22 10:13:09,673 INFO  L275        PluginConnector]: Witness Printer initialized
[2019-10-22 10:13:09,673 INFO  L185        PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 10:13:02" (3/4) ...
[2019-10-22 10:13:09,675 INFO  L131         WitnessPrinter]: Generating witness for reachability counterexample
[2019-10-22 10:13:09,783 INFO  L141         WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_77ba094d-7b36-4590-9617-316dc9a3611f/bin/ukojak/witness.graphml
[2019-10-22 10:13:09,784 INFO  L132        PluginConnector]: ------------------------ END Witness Printer----------------------------
[2019-10-22 10:13:09,785 INFO  L168              Benchmark]: Toolchain (without parser) took 9251.70 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 360.2 MB). Free memory was 937.8 MB in the beginning and 1.0 GB in the end (delta: -78.9 MB). Peak memory consumption was 281.3 MB. Max. memory is 11.5 GB.
[2019-10-22 10:13:09,786 INFO  L168              Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 962.0 MB. There was no memory consumed. Max. memory is 11.5 GB.
[2019-10-22 10:13:09,786 INFO  L168              Benchmark]: CACSL2BoogieTranslator took 558.98 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 189.3 MB). Free memory was 937.8 MB in the beginning and 1.2 GB in the end (delta: -223.1 MB). Peak memory consumption was 18.0 MB. Max. memory is 11.5 GB.
[2019-10-22 10:13:09,787 INFO  L168              Benchmark]: Boogie Procedure Inliner took 50.53 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB.
[2019-10-22 10:13:09,787 INFO  L168              Benchmark]: Boogie Preprocessor took 28.12 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB.
[2019-10-22 10:13:09,787 INFO  L168              Benchmark]: RCFGBuilder took 991.71 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 83.3 MB). Peak memory consumption was 83.3 MB. Max. memory is 11.5 GB.
[2019-10-22 10:13:09,787 INFO  L168              Benchmark]: CodeCheck took 7507.33 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 170.9 MB). Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 49.1 MB). Peak memory consumption was 220.0 MB. Max. memory is 11.5 GB.
[2019-10-22 10:13:09,788 INFO  L168              Benchmark]: Witness Printer took 111.51 ms. Allocated memory is still 1.4 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 11.8 MB). Peak memory consumption was 11.8 MB. Max. memory is 11.5 GB.
[2019-10-22 10:13:09,789 INFO  L335   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck:
  - StatisticsResult: Ultimate CodeCheck benchmark data
    CFG has 9 procedures, 61 locations, 1 error locations. Result: UNSAFE, OverallTime: 7.3s, OverallIterations: 24, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 182950032 SDtfs, 61022656 SDslu, 96398596 SDs, 0 SdLazy, 67227696 SolverSat, 21154432 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 7.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 5766 GetRequests, 5602 SyntacticMatches, 28 SemanticMatches, 136 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7298 ImplicationChecksByTransitivity, 4.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 638 NumberOfCodeBlocks, 638 NumberOfCodeBlocksAsserted, 24 NumberOfCheckSat, 582 ConstructedInterpolants, 0 QuantifiedInterpolants, 42169 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 23 InterpolantComputations, 23 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available
  - CounterExampleResult [Line: 704]: a call of __VERIFIER_error() is reachable
    a call of __VERIFIER_error() is reachable
We found a FailurePath: 
[L121]              int pumpRunning  =    0;
[L122]              int systemActive  =    1;
[L503]              static struct __ACC__ERR *head  =    (struct __ACC__ERR *)0;
[L773]              int cleanupTimeShifts  =    4;
[L870]              int waterLevel  =    1;
[L871]              int methaneLevelCritical  =    0;
[L846]              int retValue_acc ;
[L847]              int tmp ;
[L738]              int retValue_acc ;
[L741]              retValue_acc = 1
[L742]              return (retValue_acc);
[L853]              tmp = valid_product()
[L855]  COND TRUE   \read(tmp)
[L46]               int splverifierCounter ;
[L47]               int tmp ;
[L48]               int tmp___0 ;
[L49]               int tmp___1 ;
[L50]               int tmp___2 ;
[L53]               splverifierCounter = 0
        VAL         [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1]
[L55]   COND TRUE   1
        VAL         [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1]
[L57]   COND TRUE   splverifierCounter < 4
[L63]               tmp = __VERIFIER_nondet_int()
[L65]   COND TRUE   \read(tmp)
        VAL         [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1]
[L67]   CALL        waterRise()
        VAL         [\old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1]
[L888]  COND TRUE   waterLevel < 2
[L889]              waterLevel = waterLevel + 1
[L67]   RET         waterRise()
        VAL         [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2]
[L73]               tmp___0 = __VERIFIER_nondet_int()
[L75]   COND TRUE   \read(tmp___0)
        VAL         [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2]
[L77]   CALL        changeMethaneLevel()
        VAL         [\old(methaneLevelCritical)=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2]
[L900]  COND FALSE  !(\read(methaneLevelCritical))
[L903]              methaneLevelCritical = 1
[L77]   RET         changeMethaneLevel()
        VAL         [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2]
[L83]               tmp___2 = __VERIFIER_nondet_int()
[L85]   COND TRUE   \read(tmp___2)
        VAL         [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2]
[L100]  CALL        timeShift()
        VAL         [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2]
[L129]  COND FALSE  !(\read(pumpRunning))
        VAL         [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2]
[L136]  COND TRUE   \read(systemActive)
[L184]              int tmp ;
        VAL         [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2]
[L187]  COND FALSE  !(\read(pumpRunning))
        VAL         [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2]
[L202]  CALL        processEnvironment__wrappee__highWaterSensor()
        VAL         [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2]
[L158]              int tmp ;
        VAL         [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2]
[L161]  COND TRUE   ! pumpRunning
[L281]              int retValue_acc ;
[L282]              int tmp ;
[L283]              int tmp___0 ;
[L950]              int retValue_acc ;
[L953]  COND FALSE  !(waterLevel < 2)
[L957]              retValue_acc = 0
[L958]              return (retValue_acc);
[L287]              tmp = isHighWaterSensorDry()
[L289]  COND FALSE  !(\read(tmp))
[L292]              tmp___0 = 1
[L294]              retValue_acc = tmp___0
[L295]              return (retValue_acc);
[L163]              tmp = isHighWaterLevel()
[L165]  COND TRUE   \read(tmp)
[L212]              pumpRunning = 1
        VAL         [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2]
[L202]  RET         processEnvironment__wrappee__highWaterSensor()
        VAL         [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2]
[L748]              int tmp ;
[L749]              int tmp___0 ;
        VAL         [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2]
[L753]  CALL, EXPR  isMethaneLevelCritical()
        VAL         [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2]
[L909]              int retValue_acc ;
[L912]              retValue_acc = methaneLevelCritical
[L913]              return (retValue_acc);
[L753]  RET, EXPR   isMethaneLevelCritical()
        VAL         [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2]
[L753]              tmp = isMethaneLevelCritical()
[L755]  COND TRUE   \read(tmp)
[L236]              int retValue_acc ;
[L239]              retValue_acc = pumpRunning
[L240]              return (retValue_acc);
[L757]              tmp___0 = isPumpRunning()
[L759]  COND TRUE   \read(tmp___0)
        VAL         [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2]
[L704]              __VERIFIER_error()
        VAL         [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2]

 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 962.0 MB. There was no memory consumed. Max. memory is 11.5 GB.
 * CACSL2BoogieTranslator took 558.98 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 189.3 MB). Free memory was 937.8 MB in the beginning and 1.2 GB in the end (delta: -223.1 MB). Peak memory consumption was 18.0 MB. Max. memory is 11.5 GB.
 * Boogie Procedure Inliner took 50.53 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB.
 * Boogie Preprocessor took 28.12 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB.
 * RCFGBuilder took 991.71 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 83.3 MB). Peak memory consumption was 83.3 MB. Max. memory is 11.5 GB.
 * CodeCheck took 7507.33 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 170.9 MB). Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 49.1 MB). Peak memory consumption was 220.0 MB. Max. memory is 11.5 GB.
 * Witness Printer took 111.51 ms. Allocated memory is still 1.4 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 11.8 MB). Peak memory consumption was 11.8 MB. Max. memory is 11.5 GB.
RESULT: Ultimate proved your program to be incorrect!
Received shutdown request...