./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product34.cil.c --full-output --architecture 32bit


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


Checking for ERROR reachability
Using default analysis
Version 69874e26
Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_32d18a47-9ae0-4382-b3dc-91e457fb8437/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_32d18a47-9ae0-4382-b3dc-91e457fb8437/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_32d18a47-9ae0-4382-b3dc-91e457fb8437/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_32d18a47-9ae0-4382-b3dc-91e457fb8437/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product34.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_32d18a47-9ae0-4382-b3dc-91e457fb8437/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_32d18a47-9ae0-4382-b3dc-91e457fb8437/bin/ukojak --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) )

 --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 2eef58443d1776324fbe6fef82cb6eff424772d8
....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................
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 0.2.0-69874e2
[2020-12-01 16:25:31,304 INFO  L177        SettingsManager]: Resetting all preferences to default values...
[2020-12-01 16:25:31,307 INFO  L181        SettingsManager]: Resetting UltimateCore preferences to default values
[2020-12-01 16:25:31,406 INFO  L184        SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2020-12-01 16:25:31,407 INFO  L181        SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2020-12-01 16:25:31,408 INFO  L181        SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2020-12-01 16:25:31,410 INFO  L181        SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2020-12-01 16:25:31,412 INFO  L181        SettingsManager]: Resetting LassoRanker preferences to default values
[2020-12-01 16:25:31,414 INFO  L181        SettingsManager]: Resetting Reaching Definitions preferences to default values
[2020-12-01 16:25:31,416 INFO  L181        SettingsManager]: Resetting SyntaxChecker preferences to default values
[2020-12-01 16:25:31,417 INFO  L181        SettingsManager]: Resetting Sifa preferences to default values
[2020-12-01 16:25:31,419 INFO  L184        SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2020-12-01 16:25:31,419 INFO  L181        SettingsManager]: Resetting LTL2Aut preferences to default values
[2020-12-01 16:25:31,420 INFO  L181        SettingsManager]: Resetting PEA to Boogie preferences to default values
[2020-12-01 16:25:31,422 INFO  L181        SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2020-12-01 16:25:31,423 INFO  L181        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2020-12-01 16:25:31,424 INFO  L181        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2020-12-01 16:25:31,427 INFO  L181        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2020-12-01 16:25:31,430 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2020-12-01 16:25:31,435 INFO  L181        SettingsManager]: Resetting CodeCheck preferences to default values
[2020-12-01 16:25:31,440 INFO  L181        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2020-12-01 16:25:31,442 INFO  L181        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2020-12-01 16:25:31,443 INFO  L181        SettingsManager]: Resetting Referee preferences to default values
[2020-12-01 16:25:31,445 INFO  L181        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2020-12-01 16:25:31,451 INFO  L184        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2020-12-01 16:25:31,453 INFO  L184        SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2020-12-01 16:25:31,453 INFO  L181        SettingsManager]: Resetting TreeAutomizer preferences to default values
[2020-12-01 16:25:31,455 INFO  L181        SettingsManager]: Resetting IcfgToChc preferences to default values
[2020-12-01 16:25:31,456 INFO  L181        SettingsManager]: Resetting IcfgTransformer preferences to default values
[2020-12-01 16:25:31,457 INFO  L184        SettingsManager]: ReqToTest provides no preferences, ignoring...
[2020-12-01 16:25:31,458 INFO  L181        SettingsManager]: Resetting Boogie Printer preferences to default values
[2020-12-01 16:25:31,459 INFO  L181        SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2020-12-01 16:25:31,461 INFO  L181        SettingsManager]: Resetting ReqPrinter preferences to default values
[2020-12-01 16:25:31,462 INFO  L181        SettingsManager]: Resetting Witness Printer preferences to default values
[2020-12-01 16:25:31,463 INFO  L184        SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2020-12-01 16:25:31,463 INFO  L181        SettingsManager]: Resetting CDTParser preferences to default values
[2020-12-01 16:25:31,464 INFO  L184        SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2020-12-01 16:25:31,465 INFO  L184        SettingsManager]: ReqParser provides no preferences, ignoring...
[2020-12-01 16:25:31,465 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
[2020-12-01 16:25:31,466 INFO  L181        SettingsManager]: Resetting Witness Parser preferences to default values
[2020-12-01 16:25:31,466 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2020-12-01 16:25:31,469 INFO  L101        SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_32d18a47-9ae0-4382-b3dc-91e457fb8437/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf
[2020-12-01 16:25:31,507 INFO  L113        SettingsManager]: Loading preferences was successful
[2020-12-01 16:25:31,508 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2020-12-01 16:25:31,509 INFO  L136        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2020-12-01 16:25:31,509 INFO  L138        SettingsManager]:  * Ignore calls to procedures called more than once=ALWAYS
[2020-12-01 16:25:31,511 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2020-12-01 16:25:31,511 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2020-12-01 16:25:31,511 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2020-12-01 16:25:31,512 INFO  L138        SettingsManager]:  * sizeof long=4
[2020-12-01 16:25:31,512 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2020-12-01 16:25:31,512 INFO  L138        SettingsManager]:  * sizeof POINTER=4
[2020-12-01 16:25:31,513 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2020-12-01 16:25:31,513 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2020-12-01 16:25:31,514 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2020-12-01 16:25:31,514 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2020-12-01 16:25:31,514 INFO  L138        SettingsManager]:  * sizeof long double=12
[2020-12-01 16:25:31,514 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2020-12-01 16:25:31,514 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2020-12-01 16:25:31,515 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2020-12-01 16:25:31,515 INFO  L136        SettingsManager]: Preferences of CodeCheck differ from their defaults:
[2020-12-01 16:25:31,515 INFO  L138        SettingsManager]:  * Timeout in seconds=1000000
[2020-12-01 16:25:31,515 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2020-12-01 16:25:31,516 INFO  L138        SettingsManager]:  * To the following directory=./dump/
[2020-12-01 16:25:31,516 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000
[2020-12-01 16:25:31,516 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2020-12-01 16:25:31,516 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2020-12-01 16:25:31,517 INFO  L138        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2020-12-01 16:25:31,517 INFO  L138        SettingsManager]:  * Trace refinement strategy=PENGUIN
[2020-12-01 16:25:31,517 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-12-01 16:25:31,517 INFO  L138        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2020-12-01 16:25:31,517 INFO  L138        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
WARNING: An illegal reflective access operation has occurred
WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_32d18a47-9ae0-4382-b3dc-91e457fb8437/bin/ukojak/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int)
WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_32d18a47-9ae0-4382-b3dc-91e457fb8437/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(reach_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 -> 2eef58443d1776324fbe6fef82cb6eff424772d8
[2020-12-01 16:25:31,787 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2020-12-01 16:25:31,816 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2020-12-01 16:25:31,820 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2020-12-01 16:25:31,822 INFO  L271        PluginConnector]: Initializing CDTParser...
[2020-12-01 16:25:31,828 INFO  L275        PluginConnector]: CDTParser initialized
[2020-12-01 16:25:31,828 INFO  L432   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_32d18a47-9ae0-4382-b3dc-91e457fb8437/bin/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec2_product34.cil.c
[2020-12-01 16:25:31,893 INFO  L220              CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_32d18a47-9ae0-4382-b3dc-91e457fb8437/bin/ukojak/data/e23a826fb/68548c7cba954d19a314e7cd1ef2e193/FLAG98ae88ffc
[2020-12-01 16:25:32,398 INFO  L306              CDTParser]: Found 1 translation units.
[2020-12-01 16:25:32,399 INFO  L160              CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_32d18a47-9ae0-4382-b3dc-91e457fb8437/sv-benchmarks/c/product-lines/minepump_spec2_product34.cil.c
[2020-12-01 16:25:32,414 INFO  L349              CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_32d18a47-9ae0-4382-b3dc-91e457fb8437/bin/ukojak/data/e23a826fb/68548c7cba954d19a314e7cd1ef2e193/FLAG98ae88ffc
[2020-12-01 16:25:32,731 INFO  L357              CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_32d18a47-9ae0-4382-b3dc-91e457fb8437/bin/ukojak/data/e23a826fb/68548c7cba954d19a314e7cd1ef2e193
[2020-12-01 16:25:32,733 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2020-12-01 16:25:32,734 INFO  L131        ToolchainWalker]: Walking toolchain with 6 elements.
[2020-12-01 16:25:32,750 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2020-12-01 16:25:32,750 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2020-12-01 16:25:32,754 INFO  L275        PluginConnector]: CACSL2BoogieTranslator initialized
[2020-12-01 16:25:32,755 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 04:25:32" (1/1) ...
[2020-12-01 16:25:32,757 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7cd71a26 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:25:32, skipping insertion in model container
[2020-12-01 16:25:32,760 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 04:25:32" (1/1) ...
[2020-12-01 16:25:32,767 INFO  L145         MainTranslator]: Starting translation in SV-COMP mode 
[2020-12-01 16:25:32,816 INFO  L178         MainTranslator]: Built tables and reachable declarations
[2020-12-01 16:25:33,090 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2020-12-01 16:25:33,100 INFO  L203         MainTranslator]: Completed pre-run
[2020-12-01 16:25:33,201 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2020-12-01 16:25:33,246 INFO  L208         MainTranslator]: Completed translation
[2020-12-01 16:25:33,248 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:25:33 WrapperNode
[2020-12-01 16:25:33,248 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2020-12-01 16:25:33,250 INFO  L113        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2020-12-01 16:25:33,250 INFO  L271        PluginConnector]: Initializing Boogie Procedure Inliner...
[2020-12-01 16:25:33,250 INFO  L275        PluginConnector]: Boogie Procedure Inliner initialized
[2020-12-01 16:25:33,258 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:25:33" (1/1) ...
[2020-12-01 16:25:33,292 INFO  L185        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:25:33" (1/1) ...
[2020-12-01 16:25:33,323 INFO  L132        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2020-12-01 16:25:33,324 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2020-12-01 16:25:33,324 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2020-12-01 16:25:33,324 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2020-12-01 16:25:33,333 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:25:33" (1/1) ...
[2020-12-01 16:25:33,333 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:25:33" (1/1) ...
[2020-12-01 16:25:33,336 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:25:33" (1/1) ...
[2020-12-01 16:25:33,337 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:25:33" (1/1) ...
[2020-12-01 16:25:33,345 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:25:33" (1/1) ...
[2020-12-01 16:25:33,350 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:25:33" (1/1) ...
[2020-12-01 16:25:33,352 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:25:33" (1/1) ...
[2020-12-01 16:25:33,356 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2020-12-01 16:25:33,357 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2020-12-01 16:25:33,357 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2020-12-01 16:25:33,357 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2020-12-01 16:25:33,358 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:25:33" (1/1) ...
No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_32d18a47-9ae0-4382-b3dc-91e457fb8437/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
[2020-12-01 16:25:33,459 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2020-12-01 16:25:33,460 INFO  L130     BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base
[2020-12-01 16:25:33,460 INFO  L138     BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base
[2020-12-01 16:25:33,460 INFO  L130     BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical
[2020-12-01 16:25:33,461 INFO  L138     BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical
[2020-12-01 16:25:33,461 INFO  L130     BoogieDeclarations]: Found specification of procedure timeShift
[2020-12-01 16:25:33,461 INFO  L138     BoogieDeclarations]: Found implementation of procedure timeShift
[2020-12-01 16:25:33,461 INFO  L130     BoogieDeclarations]: Found specification of procedure cleanup
[2020-12-01 16:25:33,462 INFO  L138     BoogieDeclarations]: Found implementation of procedure cleanup
[2020-12-01 16:25:33,462 INFO  L130     BoogieDeclarations]: Found specification of procedure waterRise
[2020-12-01 16:25:33,462 INFO  L138     BoogieDeclarations]: Found implementation of procedure waterRise
[2020-12-01 16:25:33,462 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int
[2020-12-01 16:25:33,463 INFO  L130     BoogieDeclarations]: Found specification of procedure changeMethaneLevel
[2020-12-01 16:25:33,463 INFO  L138     BoogieDeclarations]: Found implementation of procedure changeMethaneLevel
[2020-12-01 16:25:33,463 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2020-12-01 16:25:33,463 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2020-12-01 16:25:34,883 INFO  L293             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2020-12-01 16:25:34,883 INFO  L298             CfgBuilder]: Removed 40 assume(true) statements.
[2020-12-01 16:25:34,885 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 04:25:34 BoogieIcfgContainer
[2020-12-01 16:25:34,886 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2020-12-01 16:25:34,887 INFO  L113        PluginConnector]: ------------------------CodeCheck----------------------------
[2020-12-01 16:25:34,887 INFO  L271        PluginConnector]: Initializing CodeCheck...
[2020-12-01 16:25:34,898 INFO  L275        PluginConnector]: CodeCheck initialized
[2020-12-01 16:25:34,898 INFO  L185        PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 04:25:34" (1/1) ...
[2020-12-01 16:25:34,929 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-12-01 16:25:34,970 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2020-12-01 16:25:34,982 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 47 states and 62 transitions.
[2020-12-01 16:25:34,983 INFO  L276                IsEmpty]: Start isEmpty. Operand 47 states and 62 transitions.
[2020-12-01 16:25:34,990 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 18
[2020-12-01 16:25:34,990 INFO  L428      CodeCheckObserver]: Error Path is FOUND.
[2020-12-01 16:25:35,144 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-12-01 16:25:35,271 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-12-01 16:25:35,284 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2020-12-01 16:25:35,285 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 47 states and 60 transitions.
[2020-12-01 16:25:35,285 INFO  L276                IsEmpty]: Start isEmpty. Operand 47 states and 60 transitions.
[2020-12-01 16:25:35,286 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 19
[2020-12-01 16:25:35,286 INFO  L428      CodeCheckObserver]: Error Path is FOUND.
[2020-12-01 16:25:35,324 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-12-01 16:25:35,403 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-12-01 16:25:35,439 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2020-12-01 16:25:35,442 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 49 states and 63 transitions.
[2020-12-01 16:25:35,442 INFO  L276                IsEmpty]: Start isEmpty. Operand 49 states and 63 transitions.
[2020-12-01 16:25:35,445 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 21
[2020-12-01 16:25:35,445 INFO  L428      CodeCheckObserver]: Error Path is FOUND.
[2020-12-01 16:25:35,519 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-12-01 16:25:35,644 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-12-01 16:25:36,043 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2020-12-01 16:25:36,045 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 62 states and 89 transitions.
[2020-12-01 16:25:36,045 INFO  L276                IsEmpty]: Start isEmpty. Operand 62 states and 89 transitions.
[2020-12-01 16:25:36,049 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 23
[2020-12-01 16:25:36,049 INFO  L428      CodeCheckObserver]: Error Path is FOUND.
[2020-12-01 16:25:36,114 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-12-01 16:25:36,232 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-12-01 16:25:36,724 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2020-12-01 16:25:36,726 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 73 states and 115 transitions.
[2020-12-01 16:25:36,726 INFO  L276                IsEmpty]: Start isEmpty. Operand 73 states and 115 transitions.
[2020-12-01 16:25:36,729 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 25
[2020-12-01 16:25:36,729 INFO  L428      CodeCheckObserver]: Error Path is FOUND.
[2020-12-01 16:25:36,768 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-12-01 16:25:36,849 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-12-01 16:25:37,022 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2020-12-01 16:25:37,030 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 75 states and 118 transitions.
[2020-12-01 16:25:37,030 INFO  L276                IsEmpty]: Start isEmpty. Operand 75 states and 118 transitions.
[2020-12-01 16:25:37,039 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 24
[2020-12-01 16:25:37,040 INFO  L428      CodeCheckObserver]: Error Path is FOUND.
[2020-12-01 16:25:37,078 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-12-01 16:25:37,126 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-12-01 16:25:37,140 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2020-12-01 16:25:37,147 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 76 states and 119 transitions.
[2020-12-01 16:25:37,148 INFO  L276                IsEmpty]: Start isEmpty. Operand 76 states and 119 transitions.
[2020-12-01 16:25:37,149 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 24
[2020-12-01 16:25:37,150 INFO  L428      CodeCheckObserver]: Error Path is FOUND.
[2020-12-01 16:25:37,178 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-12-01 16:25:37,241 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-12-01 16:25:38,017 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2020-12-01 16:25:38,021 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 92 states and 158 transitions.
[2020-12-01 16:25:38,021 INFO  L276                IsEmpty]: Start isEmpty. Operand 92 states and 158 transitions.
[2020-12-01 16:25:38,025 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 26
[2020-12-01 16:25:38,025 INFO  L428      CodeCheckObserver]: Error Path is FOUND.
[2020-12-01 16:25:38,052 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-12-01 16:25:38,095 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-12-01 16:25:38,407 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2020-12-01 16:25:38,409 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 94 states and 163 transitions.
[2020-12-01 16:25:38,410 INFO  L276                IsEmpty]: Start isEmpty. Operand 94 states and 163 transitions.
[2020-12-01 16:25:38,416 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 29
[2020-12-01 16:25:38,416 INFO  L428      CodeCheckObserver]: Error Path is FOUND.
[2020-12-01 16:25:38,445 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-12-01 16:25:38,478 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-12-01 16:25:38,799 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2020-12-01 16:25:38,801 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 97 states and 168 transitions.
[2020-12-01 16:25:38,801 INFO  L276                IsEmpty]: Start isEmpty. Operand 97 states and 168 transitions.
[2020-12-01 16:25:38,802 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 26
[2020-12-01 16:25:38,802 INFO  L428      CodeCheckObserver]: Error Path is FOUND.
[2020-12-01 16:25:38,821 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-12-01 16:25:38,845 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-12-01 16:25:39,207 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2020-12-01 16:25:39,208 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 100 states and 172 transitions.
[2020-12-01 16:25:39,209 INFO  L276                IsEmpty]: Start isEmpty. Operand 100 states and 172 transitions.
[2020-12-01 16:25:39,209 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 27
[2020-12-01 16:25:39,210 INFO  L428      CodeCheckObserver]: Error Path is FOUND.
[2020-12-01 16:25:39,230 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-12-01 16:25:39,260 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-12-01 16:25:39,605 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2020-12-01 16:25:39,609 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 103 states and 178 transitions.
[2020-12-01 16:25:39,609 INFO  L276                IsEmpty]: Start isEmpty. Operand 103 states and 178 transitions.
[2020-12-01 16:25:39,611 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 26
[2020-12-01 16:25:39,612 INFO  L428      CodeCheckObserver]: Error Path is FOUND.
[2020-12-01 16:25:39,638 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-12-01 16:25:39,670 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-12-01 16:25:40,096 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2020-12-01 16:25:40,098 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 105 states and 180 transitions.
[2020-12-01 16:25:40,101 INFO  L276                IsEmpty]: Start isEmpty. Operand 105 states and 180 transitions.
[2020-12-01 16:25:40,103 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 28
[2020-12-01 16:25:40,104 INFO  L428      CodeCheckObserver]: Error Path is FOUND.
[2020-12-01 16:25:40,123 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-12-01 16:25:40,143 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-12-01 16:25:40,817 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2020-12-01 16:25:40,819 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 111 states and 199 transitions.
[2020-12-01 16:25:40,819 INFO  L276                IsEmpty]: Start isEmpty. Operand 111 states and 199 transitions.
[2020-12-01 16:25:40,820 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 28
[2020-12-01 16:25:40,820 INFO  L428      CodeCheckObserver]: Error Path is FOUND.
[2020-12-01 16:25:40,835 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-12-01 16:25:40,855 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-12-01 16:25:41,175 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2020-12-01 16:25:41,177 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 113 states and 203 transitions.
[2020-12-01 16:25:41,177 INFO  L276                IsEmpty]: Start isEmpty. Operand 113 states and 203 transitions.
[2020-12-01 16:25:41,178 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 28
[2020-12-01 16:25:41,178 INFO  L428      CodeCheckObserver]: Error Path is FOUND.
[2020-12-01 16:25:41,195 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-12-01 16:25:41,225 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-12-01 16:25:41,470 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2020-12-01 16:25:41,471 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 114 states and 203 transitions.
[2020-12-01 16:25:41,471 INFO  L276                IsEmpty]: Start isEmpty. Operand 114 states and 203 transitions.
[2020-12-01 16:25:41,474 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 28
[2020-12-01 16:25:41,474 INFO  L428      CodeCheckObserver]: Error Path is FOUND.
[2020-12-01 16:25:41,489 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-12-01 16:25:41,520 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-12-01 16:25:41,956 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2020-12-01 16:25:41,959 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 119 states and 215 transitions.
[2020-12-01 16:25:41,959 INFO  L276                IsEmpty]: Start isEmpty. Operand 119 states and 215 transitions.
[2020-12-01 16:25:41,962 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 39
[2020-12-01 16:25:41,962 INFO  L428      CodeCheckObserver]: Error Path is FOUND.
[2020-12-01 16:25:41,987 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-12-01 16:25:42,027 INFO  L134       CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked.
[2020-12-01 16:25:42,957 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2020-12-01 16:25:42,958 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 125 states and 230 transitions.
[2020-12-01 16:25:42,959 INFO  L276                IsEmpty]: Start isEmpty. Operand 125 states and 230 transitions.
[2020-12-01 16:25:42,960 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 39
[2020-12-01 16:25:42,960 INFO  L428      CodeCheckObserver]: Error Path is FOUND.
[2020-12-01 16:25:42,976 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-12-01 16:25:43,494 INFO  L134       CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2020-12-01 16:25:44,761 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2020-12-01 16:25:44,763 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 128 states and 238 transitions.
[2020-12-01 16:25:44,763 INFO  L276                IsEmpty]: Start isEmpty. Operand 128 states and 238 transitions.
[2020-12-01 16:25:44,765 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 36
[2020-12-01 16:25:44,765 INFO  L428      CodeCheckObserver]: Error Path is FOUND.
[2020-12-01 16:25:44,781 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-12-01 16:25:44,799 INFO  L134       CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked.
[2020-12-01 16:25:44,968 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2020-12-01 16:25:44,972 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 132 states and 246 transitions.
[2020-12-01 16:25:44,972 INFO  L276                IsEmpty]: Start isEmpty. Operand 132 states and 246 transitions.
[2020-12-01 16:25:44,977 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 40
[2020-12-01 16:25:44,977 INFO  L428      CodeCheckObserver]: Error Path is FOUND.
[2020-12-01 16:25:44,997 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-12-01 16:25:45,675 INFO  L134       CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2020-12-01 16:25:48,885 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2020-12-01 16:25:48,887 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 147 states and 290 transitions.
[2020-12-01 16:25:48,887 INFO  L276                IsEmpty]: Start isEmpty. Operand 147 states and 290 transitions.
[2020-12-01 16:25:48,889 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 43
[2020-12-01 16:25:48,890 INFO  L428      CodeCheckObserver]: Error Path is FOUND.
[2020-12-01 16:25:48,928 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-12-01 16:25:48,958 INFO  L134       CoverageAnalysis]: Checked inductivity of 11 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked.
[2020-12-01 16:25:49,917 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2020-12-01 16:25:49,919 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 150 states and 297 transitions.
[2020-12-01 16:25:49,919 INFO  L276                IsEmpty]: Start isEmpty. Operand 150 states and 297 transitions.
[2020-12-01 16:25:49,924 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 41
[2020-12-01 16:25:49,925 INFO  L428      CodeCheckObserver]: Error Path is FOUND.
[2020-12-01 16:25:49,940 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-12-01 16:25:49,995 INFO  L134       CoverageAnalysis]: Checked inductivity of 12 backedges. 10 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2020-12-01 16:25:50,024 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2020-12-01 16:25:50,027 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 151 states and 298 transitions.
[2020-12-01 16:25:50,027 INFO  L276                IsEmpty]: Start isEmpty. Operand 151 states and 298 transitions.
[2020-12-01 16:25:50,029 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 44
[2020-12-01 16:25:50,029 INFO  L428      CodeCheckObserver]: Error Path is FOUND.
[2020-12-01 16:25:50,055 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-12-01 16:25:50,084 INFO  L134       CoverageAnalysis]: Checked inductivity of 15 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.
[2020-12-01 16:25:50,647 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2020-12-01 16:25:50,649 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 156 states and 310 transitions.
[2020-12-01 16:25:50,649 INFO  L276                IsEmpty]: Start isEmpty. Operand 156 states and 310 transitions.
[2020-12-01 16:25:50,651 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 45
[2020-12-01 16:25:50,651 INFO  L428      CodeCheckObserver]: Error Path is FOUND.
[2020-12-01 16:25:50,671 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-12-01 16:25:50,696 INFO  L134       CoverageAnalysis]: Checked inductivity of 16 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.
[2020-12-01 16:25:51,380 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2020-12-01 16:25:51,382 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 163 states and 329 transitions.
[2020-12-01 16:25:51,382 INFO  L276                IsEmpty]: Start isEmpty. Operand 163 states and 329 transitions.
[2020-12-01 16:25:51,384 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 48
[2020-12-01 16:25:51,384 INFO  L428      CodeCheckObserver]: Error Path is FOUND.
[2020-12-01 16:25:51,400 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-12-01 16:25:51,547 INFO  L134       CoverageAnalysis]: Checked inductivity of 15 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked.
[2020-12-01 16:25:53,455 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2020-12-01 16:25:53,459 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 358 states to 172 states and 358 transitions.
[2020-12-01 16:25:53,460 INFO  L276                IsEmpty]: Start isEmpty. Operand 172 states and 358 transitions.
[2020-12-01 16:25:53,462 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 45
[2020-12-01 16:25:53,463 INFO  L428      CodeCheckObserver]: Error Path is FOUND.
[2020-12-01 16:25:53,490 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-12-01 16:25:53,515 INFO  L134       CoverageAnalysis]: Checked inductivity of 15 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked.
[2020-12-01 16:25:53,922 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2020-12-01 16:25:53,925 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 357 states to 172 states and 357 transitions.
[2020-12-01 16:25:53,925 INFO  L276                IsEmpty]: Start isEmpty. Operand 172 states and 357 transitions.
[2020-12-01 16:25:53,927 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 42
[2020-12-01 16:25:53,927 INFO  L428      CodeCheckObserver]: Error Path is FOUND.
[2020-12-01 16:25:53,945 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-12-01 16:25:54,265 INFO  L134       CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.
[2020-12-01 16:25:56,108 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2020-12-01 16:25:56,110 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 367 states to 177 states and 367 transitions.
[2020-12-01 16:25:56,111 INFO  L276                IsEmpty]: Start isEmpty. Operand 177 states and 367 transitions.
[2020-12-01 16:25:56,113 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 45
[2020-12-01 16:25:56,114 INFO  L428      CodeCheckObserver]: Error Path is FOUND.
[2020-12-01 16:25:56,131 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-12-01 16:25:56,154 INFO  L134       CoverageAnalysis]: Checked inductivity of 11 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked.
[2020-12-01 16:25:57,135 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2020-12-01 16:25:57,138 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 373 states to 180 states and 373 transitions.
[2020-12-01 16:25:57,138 INFO  L276                IsEmpty]: Start isEmpty. Operand 180 states and 373 transitions.
[2020-12-01 16:25:57,141 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 46
[2020-12-01 16:25:57,141 INFO  L428      CodeCheckObserver]: Error Path is FOUND.
[2020-12-01 16:25:57,157 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-12-01 16:25:57,184 INFO  L134       CoverageAnalysis]: Checked inductivity of 17 backedges. 15 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2020-12-01 16:25:57,668 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2020-12-01 16:25:57,670 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 379 states to 183 states and 379 transitions.
[2020-12-01 16:25:57,671 INFO  L276                IsEmpty]: Start isEmpty. Operand 183 states and 379 transitions.
[2020-12-01 16:25:57,673 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 51
[2020-12-01 16:25:57,673 INFO  L428      CodeCheckObserver]: Error Path is FOUND.
[2020-12-01 16:25:57,687 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-12-01 16:25:57,707 INFO  L134       CoverageAnalysis]: Checked inductivity of 17 backedges. 15 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2020-12-01 16:25:57,925 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2020-12-01 16:25:57,927 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 382 states to 184 states and 382 transitions.
[2020-12-01 16:25:57,927 INFO  L276                IsEmpty]: Start isEmpty. Operand 184 states and 382 transitions.
[2020-12-01 16:25:57,930 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 47
[2020-12-01 16:25:57,930 INFO  L428      CodeCheckObserver]: Error Path is FOUND.
[2020-12-01 16:25:57,956 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-12-01 16:25:57,973 INFO  L134       CoverageAnalysis]: Checked inductivity of 16 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.
[2020-12-01 16:25:58,328 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2020-12-01 16:25:58,331 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 388 states to 186 states and 388 transitions.
[2020-12-01 16:25:58,331 INFO  L276                IsEmpty]: Start isEmpty. Operand 186 states and 388 transitions.
[2020-12-01 16:25:58,333 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 45
[2020-12-01 16:25:58,334 INFO  L428      CodeCheckObserver]: Error Path is FOUND.
[2020-12-01 16:25:58,353 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-12-01 16:25:59,396 INFO  L134       CoverageAnalysis]: Checked inductivity of 17 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.
[2020-12-01 16:26:05,161 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2020-12-01 16:26:05,163 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 427 states to 199 states and 427 transitions.
[2020-12-01 16:26:05,164 INFO  L276                IsEmpty]: Start isEmpty. Operand 199 states and 427 transitions.
[2020-12-01 16:26:05,167 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 51
[2020-12-01 16:26:05,167 INFO  L428      CodeCheckObserver]: Error Path is FOUND.
[2020-12-01 16:26:05,185 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-12-01 16:26:05,213 INFO  L134       CoverageAnalysis]: Checked inductivity of 19 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked.
[2020-12-01 16:26:10,312 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2020-12-01 16:26:10,314 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 471 states to 213 states and 471 transitions.
[2020-12-01 16:26:10,315 INFO  L276                IsEmpty]: Start isEmpty. Operand 213 states and 471 transitions.
[2020-12-01 16:26:10,318 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 50
[2020-12-01 16:26:10,318 INFO  L428      CodeCheckObserver]: Error Path is FOUND.
[2020-12-01 16:26:10,333 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-12-01 16:26:10,352 INFO  L134       CoverageAnalysis]: Checked inductivity of 16 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.
[2020-12-01 16:26:10,888 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2020-12-01 16:26:10,890 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 476 states to 215 states and 470 transitions.
[2020-12-01 16:26:10,891 INFO  L276                IsEmpty]: Start isEmpty. Operand 215 states and 470 transitions.
[2020-12-01 16:26:10,894 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 48
[2020-12-01 16:26:10,894 INFO  L428      CodeCheckObserver]: Error Path is FOUND.
[2020-12-01 16:26:10,910 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-12-01 16:26:11,606 INFO  L134       CoverageAnalysis]: Checked inductivity of 17 backedges. 8 proven. 8 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2020-12-01 16:26:17,100 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2020-12-01 16:26:17,102 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 508 states to 227 states and 500 transitions.
[2020-12-01 16:26:17,102 INFO  L276                IsEmpty]: Start isEmpty. Operand 227 states and 500 transitions.
[2020-12-01 16:26:17,106 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 50
[2020-12-01 16:26:17,106 INFO  L428      CodeCheckObserver]: Error Path is FOUND.
[2020-12-01 16:26:17,123 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-12-01 16:26:18,024 INFO  L134       CoverageAnalysis]: Checked inductivity of 19 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2020-12-01 16:26:21,953 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2020-12-01 16:26:21,956 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 568 states to 241 states and 544 transitions.
[2020-12-01 16:26:21,956 INFO  L276                IsEmpty]: Start isEmpty. Operand 241 states and 544 transitions.
[2020-12-01 16:26:21,961 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 48
[2020-12-01 16:26:21,961 INFO  L428      CodeCheckObserver]: Error Path is FOUND.
[2020-12-01 16:26:21,976 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-12-01 16:26:21,997 INFO  L134       CoverageAnalysis]: Checked inductivity of 17 backedges. 15 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2020-12-01 16:26:22,021 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2020-12-01 16:26:22,024 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 568 states to 242 states and 544 transitions.
[2020-12-01 16:26:22,024 INFO  L276                IsEmpty]: Start isEmpty. Operand 242 states and 544 transitions.
[2020-12-01 16:26:22,028 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 50
[2020-12-01 16:26:22,029 INFO  L428      CodeCheckObserver]: Error Path is FOUND.
[2020-12-01 16:26:22,046 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-12-01 16:26:22,068 INFO  L134       CoverageAnalysis]: Checked inductivity of 16 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.
[2020-12-01 16:26:22,105 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2020-12-01 16:26:22,109 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 569 states to 243 states and 545 transitions.
[2020-12-01 16:26:22,109 INFO  L276                IsEmpty]: Start isEmpty. Operand 243 states and 545 transitions.
[2020-12-01 16:26:22,113 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 48
[2020-12-01 16:26:22,113 INFO  L428      CodeCheckObserver]: Error Path is FOUND.
[2020-12-01 16:26:22,132 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-12-01 16:26:22,153 INFO  L134       CoverageAnalysis]: Checked inductivity of 17 backedges. 15 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2020-12-01 16:26:23,880 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2020-12-01 16:26:23,882 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 568 states to 243 states and 544 transitions.
[2020-12-01 16:26:23,882 INFO  L276                IsEmpty]: Start isEmpty. Operand 243 states and 544 transitions.
[2020-12-01 16:26:23,886 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 48
[2020-12-01 16:26:23,886 INFO  L428      CodeCheckObserver]: Error Path is FOUND.
[2020-12-01 16:26:23,898 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-12-01 16:26:23,916 INFO  L134       CoverageAnalysis]: Checked inductivity of 17 backedges. 15 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2020-12-01 16:26:25,235 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2020-12-01 16:26:25,238 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 573 states to 245 states and 549 transitions.
[2020-12-01 16:26:25,239 INFO  L276                IsEmpty]: Start isEmpty. Operand 245 states and 549 transitions.
[2020-12-01 16:26:25,243 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 51
[2020-12-01 16:26:25,243 INFO  L428      CodeCheckObserver]: Error Path is FOUND.
[2020-12-01 16:26:25,260 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-12-01 16:26:25,290 INFO  L134       CoverageAnalysis]: Checked inductivity of 17 backedges. 8 proven. 8 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2020-12-01 16:26:26,988 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2020-12-01 16:26:26,990 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 585 states to 249 states and 561 transitions.
[2020-12-01 16:26:26,991 INFO  L276                IsEmpty]: Start isEmpty. Operand 249 states and 561 transitions.
[2020-12-01 16:26:26,994 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 51
[2020-12-01 16:26:26,995 INFO  L428      CodeCheckObserver]: Error Path is FOUND.
[2020-12-01 16:26:27,012 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-12-01 16:26:27,328 INFO  L134       CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.
[2020-12-01 16:26:27,753 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2020-12-01 16:26:27,756 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 589 states to 250 states and 565 transitions.
[2020-12-01 16:26:27,756 INFO  L276                IsEmpty]: Start isEmpty. Operand 250 states and 565 transitions.
[2020-12-01 16:26:27,760 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 50
[2020-12-01 16:26:27,760 INFO  L428      CodeCheckObserver]: Error Path is FOUND.
[2020-12-01 16:26:27,775 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-12-01 16:26:28,192 INFO  L134       CoverageAnalysis]: Checked inductivity of 19 backedges. 6 proven. 4 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked.
[2020-12-01 16:26:36,327 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2020-12-01 16:26:36,330 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 656 states to 270 states and 620 transitions.
[2020-12-01 16:26:36,330 INFO  L276                IsEmpty]: Start isEmpty. Operand 270 states and 620 transitions.
[2020-12-01 16:26:36,334 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 52
[2020-12-01 16:26:36,334 INFO  L428      CodeCheckObserver]: Error Path is FOUND.
[2020-12-01 16:26:36,406 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2020-12-01 16:26:36,406 INFO  L221             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2020-12-01 16:26:36,494 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2020-12-01 16:26:36,494 INFO  L221             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2020-12-01 16:26:36,929 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2020-12-01 16:26:36,929 INFO  L221             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2020-12-01 16:26:37,065 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2020-12-01 16:26:37,065 INFO  L221             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2020-12-01 16:26:40,207 WARN  L483      CodeCheckObserver]: This program is UNSAFE, Check terminated with 44 iterations.
[2020-12-01 16:26:40,436 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 01.12 04:26:40 ImpRootNode
[2020-12-01 16:26:40,437 INFO  L132        PluginConnector]: ------------------------ END CodeCheck----------------------------
[2020-12-01 16:26:40,437 INFO  L113        PluginConnector]: ------------------------Witness Printer----------------------------
[2020-12-01 16:26:40,438 INFO  L271        PluginConnector]: Initializing Witness Printer...
[2020-12-01 16:26:40,438 INFO  L275        PluginConnector]: Witness Printer initialized
[2020-12-01 16:26:40,439 INFO  L185        PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 04:25:34" (3/4) ...
[2020-12-01 16:26:40,441 INFO  L131         WitnessPrinter]: Generating witness for reachability counterexample
[2020-12-01 16:26:40,627 INFO  L141         WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_32d18a47-9ae0-4382-b3dc-91e457fb8437/bin/ukojak/witness.graphml
[2020-12-01 16:26:40,627 INFO  L132        PluginConnector]: ------------------------ END Witness Printer----------------------------
[2020-12-01 16:26:40,629 INFO  L168              Benchmark]: Toolchain (without parser) took 67893.30 ms. Allocated memory was 140.5 MB in the beginning and 901.8 MB in the end (delta: 761.3 MB). Free memory was 113.3 MB in the beginning and 510.4 MB in the end (delta: -397.1 MB). Peak memory consumption was 365.0 MB. Max. memory is 16.1 GB.
[2020-12-01 16:26:40,629 INFO  L168              Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 83.9 MB. Free memory is still 42.9 MB. There was no memory consumed. Max. memory is 16.1 GB.
[2020-12-01 16:26:40,630 INFO  L168              Benchmark]: CACSL2BoogieTranslator took 498.60 ms. Allocated memory is still 140.5 MB. Free memory was 113.1 MB in the beginning and 107.7 MB in the end (delta: 5.4 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB.
[2020-12-01 16:26:40,630 INFO  L168              Benchmark]: Boogie Procedure Inliner took 73.48 ms. Allocated memory is still 140.5 MB. Free memory was 107.7 MB in the beginning and 105.1 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB.
[2020-12-01 16:26:40,631 INFO  L168              Benchmark]: Boogie Preprocessor took 32.24 ms. Allocated memory is still 140.5 MB. Free memory was 105.1 MB in the beginning and 103.3 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB.
[2020-12-01 16:26:40,631 INFO  L168              Benchmark]: RCFGBuilder took 1528.96 ms. Allocated memory is still 140.5 MB. Free memory was 103.3 MB in the beginning and 66.6 MB in the end (delta: 36.7 MB). Peak memory consumption was 38.1 MB. Max. memory is 16.1 GB.
[2020-12-01 16:26:40,632 INFO  L168              Benchmark]: CodeCheck took 65550.12 ms. Allocated memory was 140.5 MB in the beginning and 901.8 MB in the end (delta: 761.3 MB). Free memory was 66.6 MB in the beginning and 530.4 MB in the end (delta: -463.7 MB). Peak memory consumption was 296.7 MB. Max. memory is 16.1 GB.
[2020-12-01 16:26:40,633 INFO  L168              Benchmark]: Witness Printer took 189.72 ms. Allocated memory is still 901.8 MB. Free memory was 530.4 MB in the beginning and 510.4 MB in the end (delta: 19.9 MB). Peak memory consumption was 21.0 MB. Max. memory is 16.1 GB.
[2020-12-01 16:26:40,635 INFO  L339   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck:
  - StatisticsResult: Ultimate CodeCheck benchmark data
    CFG has 7 procedures, 47 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 65.2s, OverallIterations: 44, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1760963760 SDtfs, -922355946 SDslu, 344285368 SDs, 0 SdLazy, -554049588 SolverSat, -1243897830 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 49.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 19130 GetRequests, 18520 SyntacticMatches, 57 SemanticMatches, 553 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 144569 ImplicationChecksByTransitivity, 54.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.1s SsaConstructionTime, 1.1s SatisfiabilityAnalysisTime, 6.2s InterpolantComputationTime, 1649 NumberOfCodeBlocks, 1649 NumberOfCodeBlocksAsserted, 44 NumberOfCheckSat, 1555 ConstructedInterpolants, 0 QuantifiedInterpolants, 149900 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 43 InterpolantComputations, 27 PerfectInterpolantSequences, 363/408 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: 3]: a call of __VERIFIER_error() is reachable
    a call of __VERIFIER_error() is reachable
We found a FailurePath: 
[L42]               int cleanupTimeShifts  =    4;
[L153]              int waterLevel  =    1;
[L154]              int methaneLevelCritical  =    0;
[L257]              int methAndRunningLastTime  ;
[L500]              static struct __ACC__ERR *head  =    (struct __ACC__ERR *)0;
[L767]              int pumpRunning  =    0;
[L768]              int systemActive  =    1;
[L125]              int retValue_acc ;
[L126]              int tmp ;
[L322]              int retValue_acc ;
[L325]              retValue_acc = 1
[L326]              return (retValue_acc);
[L132]              tmp = valid_product()
[L134]  COND TRUE   \read(tmp)
[L262]              methAndRunningLastTime = 0
[L699]              int splverifierCounter ;
[L700]              int tmp ;
[L701]              int tmp___0 ;
[L702]              int tmp___1 ;
[L703]              int tmp___2 ;
[L706]              splverifierCounter = 0
        VAL         [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1]
[L708]  COND TRUE   1
        VAL         [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1]
[L710]  COND TRUE   splverifierCounter < 4
[L716]              tmp = __VERIFIER_nondet_int()
[L718]  COND TRUE   \read(tmp)
        VAL         [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1]
[L720]  CALL        waterRise()
        VAL         [\old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1]
[L171]  COND TRUE   waterLevel < 2
[L172]              waterLevel = waterLevel + 1
[L720]  RET         waterRise()
        VAL         [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2]
[L726]              tmp___0 = __VERIFIER_nondet_int()
[L728]  COND TRUE   \read(tmp___0)
        VAL         [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2]
[L730]  CALL        changeMethaneLevel()
        VAL         [\old(methaneLevelCritical)=0, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2]
[L183]  COND FALSE  !(\read(methaneLevelCritical))
[L186]              methaneLevelCritical = 1
[L730]  RET         changeMethaneLevel()
        VAL         [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2]
[L736]              tmp___2 = __VERIFIER_nondet_int()
[L738]  COND FALSE  !(\read(tmp___2))
[L744]              tmp___1 = __VERIFIER_nondet_int()
[L746]  COND TRUE   \read(tmp___1)
        VAL         [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2]
[L753]  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]
[L774]  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]
[L781]  COND TRUE   \read(systemActive)
[L803]              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]
[L806]  COND TRUE   ! pumpRunning
[L900]              int retValue_acc ;
[L901]              int tmp ;
[L902]              int tmp___0 ;
[L233]              int retValue_acc ;
[L236]  COND FALSE  !(waterLevel < 2)
[L240]              retValue_acc = 0
[L241]              return (retValue_acc);
[L906]              tmp = isHighWaterSensorDry()
[L908]  COND FALSE  !(\read(tmp))
[L911]              tmp___0 = 1
[L913]              retValue_acc = tmp___0
[L914]              return (retValue_acc);
[L808]              tmp = isHighWaterLevel()
[L810]  COND TRUE   \read(tmp)
[L831]              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]
[L267]              int tmp ;
[L268]              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]
[L272]  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]
[L192]              int retValue_acc ;
[L195]              retValue_acc = methaneLevelCritical
[L196]              return (retValue_acc);
[L272]  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]
[L272]              tmp = isMethaneLevelCritical()
[L274]  COND TRUE   \read(tmp)
[L855]              int retValue_acc ;
[L858]              retValue_acc = pumpRunning
[L859]              return (retValue_acc);
[L276]              tmp___0 = isPumpRunning()
[L278]  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]
[L279]  COND FALSE  !(\read(methAndRunningLastTime))
[L284]              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]
[L753]  RET         timeShift()
        VAL         [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2]
[L708]  COND TRUE   1
        VAL         [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2]
[L710]  COND TRUE   splverifierCounter < 4
[L716]              tmp = __VERIFIER_nondet_int()
[L718]  COND FALSE  !(\read(tmp))
        VAL         [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2]
[L726]              tmp___0 = __VERIFIER_nondet_int()
[L728]  COND FALSE  !(\read(tmp___0))
        VAL         [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2]
[L736]              tmp___2 = __VERIFIER_nondet_int()
[L738]  COND TRUE   \read(tmp___2)
[L922]              systemActive = 1
        VAL         [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2]
[L753]  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]
[L774]  COND TRUE   \read(pumpRunning)
[L159]  COND TRUE   waterLevel > 0
[L160]              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]
[L781]  COND TRUE   \read(systemActive)
[L803]              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]
[L806]  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]
[L821]  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]
[L267]              int tmp ;
[L268]              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]
[L272]  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]
[L192]              int retValue_acc ;
[L195]              retValue_acc = methaneLevelCritical
[L196]              return (retValue_acc);
[L272]  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]
[L272]              tmp = isMethaneLevelCritical()
[L274]  COND TRUE   \read(tmp)
[L855]              int retValue_acc ;
[L858]              retValue_acc = pumpRunning
[L859]              return (retValue_acc);
[L276]              tmp___0 = isPumpRunning()
[L278]  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]
[L279]  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]
[L3]                __assert_fail("0", "minepump_spec2_product34.cil.c", 3, "reach_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 0.12 ms. Allocated memory is still 83.9 MB. Free memory is still 42.9 MB. There was no memory consumed. Max. memory is 16.1 GB.
 * CACSL2BoogieTranslator took 498.60 ms. Allocated memory is still 140.5 MB. Free memory was 113.1 MB in the beginning and 107.7 MB in the end (delta: 5.4 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB.
 * Boogie Procedure Inliner took 73.48 ms. Allocated memory is still 140.5 MB. Free memory was 107.7 MB in the beginning and 105.1 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB.
 * Boogie Preprocessor took 32.24 ms. Allocated memory is still 140.5 MB. Free memory was 105.1 MB in the beginning and 103.3 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB.
 * RCFGBuilder took 1528.96 ms. Allocated memory is still 140.5 MB. Free memory was 103.3 MB in the beginning and 66.6 MB in the end (delta: 36.7 MB). Peak memory consumption was 38.1 MB. Max. memory is 16.1 GB.
 * CodeCheck took 65550.12 ms. Allocated memory was 140.5 MB in the beginning and 901.8 MB in the end (delta: 761.3 MB). Free memory was 66.6 MB in the beginning and 530.4 MB in the end (delta: -463.7 MB). Peak memory consumption was 296.7 MB. Max. memory is 16.1 GB.
 * Witness Printer took 189.72 ms. Allocated memory is still 901.8 MB. Free memory was 530.4 MB in the beginning and 510.4 MB in the end (delta: 19.9 MB). Peak memory consumption was 21.0 MB. Max. memory is 16.1 GB.
RESULT: Ultimate proved your program to be incorrect!
Received shutdown request...