./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product63.cil.c --full-output --architecture 32bit


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


Checking for termination
Using default analysis
Version 5e519f3a
Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6932ebdf-5301-483c-8a62-3baef43f5413/bin/uautomizer-Dbtcem3rbc/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6932ebdf-5301-483c-8a62-3baef43f5413/bin/uautomizer-Dbtcem3rbc/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6932ebdf-5301-483c-8a62-3baef43f5413/bin/uautomizer-Dbtcem3rbc/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6932ebdf-5301-483c-8a62-3baef43f5413/bin/uautomizer-Dbtcem3rbc/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product63.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6932ebdf-5301-483c-8a62-3baef43f5413/bin/uautomizer-Dbtcem3rbc/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6932ebdf-5301-483c-8a62-3baef43f5413/bin/uautomizer-Dbtcem3rbc --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) )

 --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash fd0b8ceecda33bdad48c402c2c8ba6fe539641c6d50bf604e9c60e70c71a562b
--- Real Ultimate output ---
[0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset.
This is Ultimate 0.2.2-dev-5e519f3
[2022-11-02 20:09:47,228 INFO  L177        SettingsManager]: Resetting all preferences to default values...
[2022-11-02 20:09:47,231 INFO  L181        SettingsManager]: Resetting UltimateCore preferences to default values
[2022-11-02 20:09:47,283 INFO  L184        SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2022-11-02 20:09:47,284 INFO  L181        SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2022-11-02 20:09:47,290 INFO  L181        SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2022-11-02 20:09:47,293 INFO  L181        SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2022-11-02 20:09:47,296 INFO  L181        SettingsManager]: Resetting LassoRanker preferences to default values
[2022-11-02 20:09:47,299 INFO  L181        SettingsManager]: Resetting Reaching Definitions preferences to default values
[2022-11-02 20:09:47,308 INFO  L181        SettingsManager]: Resetting SyntaxChecker preferences to default values
[2022-11-02 20:09:47,310 INFO  L181        SettingsManager]: Resetting Sifa preferences to default values
[2022-11-02 20:09:47,312 INFO  L184        SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2022-11-02 20:09:47,313 INFO  L181        SettingsManager]: Resetting LTL2Aut preferences to default values
[2022-11-02 20:09:47,316 INFO  L181        SettingsManager]: Resetting PEA to Boogie preferences to default values
[2022-11-02 20:09:47,317 INFO  L181        SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2022-11-02 20:09:47,320 INFO  L181        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2022-11-02 20:09:47,321 INFO  L181        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2022-11-02 20:09:47,322 INFO  L181        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2022-11-02 20:09:47,324 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2022-11-02 20:09:47,331 INFO  L181        SettingsManager]: Resetting CodeCheck preferences to default values
[2022-11-02 20:09:47,334 INFO  L181        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2022-11-02 20:09:47,336 INFO  L181        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2022-11-02 20:09:47,339 INFO  L181        SettingsManager]: Resetting Referee preferences to default values
[2022-11-02 20:09:47,341 INFO  L181        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2022-11-02 20:09:47,350 INFO  L184        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2022-11-02 20:09:47,351 INFO  L184        SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2022-11-02 20:09:47,351 INFO  L181        SettingsManager]: Resetting TreeAutomizer preferences to default values
[2022-11-02 20:09:47,353 INFO  L181        SettingsManager]: Resetting IcfgToChc preferences to default values
[2022-11-02 20:09:47,354 INFO  L181        SettingsManager]: Resetting IcfgTransformer preferences to default values
[2022-11-02 20:09:47,355 INFO  L184        SettingsManager]: ReqToTest provides no preferences, ignoring...
[2022-11-02 20:09:47,355 INFO  L181        SettingsManager]: Resetting Boogie Printer preferences to default values
[2022-11-02 20:09:47,356 INFO  L181        SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2022-11-02 20:09:47,360 INFO  L181        SettingsManager]: Resetting ReqPrinter preferences to default values
[2022-11-02 20:09:47,362 INFO  L181        SettingsManager]: Resetting Witness Printer preferences to default values
[2022-11-02 20:09:47,363 INFO  L184        SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2022-11-02 20:09:47,363 INFO  L181        SettingsManager]: Resetting CDTParser preferences to default values
[2022-11-02 20:09:47,364 INFO  L184        SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2022-11-02 20:09:47,364 INFO  L184        SettingsManager]: ReqParser provides no preferences, ignoring...
[2022-11-02 20:09:47,364 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
[2022-11-02 20:09:47,365 INFO  L181        SettingsManager]: Resetting Witness Parser preferences to default values
[2022-11-02 20:09:47,366 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2022-11-02 20:09:47,367 INFO  L101        SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6932ebdf-5301-483c-8a62-3baef43f5413/bin/uautomizer-Dbtcem3rbc/config/svcomp-Termination-32bit-Automizer_Default.epf
[2022-11-02 20:09:47,414 INFO  L113        SettingsManager]: Loading preferences was successful
[2022-11-02 20:09:47,415 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2022-11-02 20:09:47,415 INFO  L136        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2022-11-02 20:09:47,416 INFO  L138        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2022-11-02 20:09:47,417 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2022-11-02 20:09:47,417 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2022-11-02 20:09:47,418 INFO  L138        SettingsManager]:  * Use SBE=true
[2022-11-02 20:09:47,418 INFO  L136        SettingsManager]: Preferences of BuchiAutomizer differ from their defaults:
[2022-11-02 20:09:47,418 INFO  L138        SettingsManager]:  * NCSB implementation=INTSET_LAZY3
[2022-11-02 20:09:47,419 INFO  L138        SettingsManager]:  * Use old map elimination=false
[2022-11-02 20:09:47,420 INFO  L138        SettingsManager]:  * Use external solver (rank synthesis)=false
[2022-11-02 20:09:47,420 INFO  L138        SettingsManager]:  * Use only trivial implications for array writes=true
[2022-11-02 20:09:47,420 INFO  L138        SettingsManager]:  * Rank analysis=LINEAR_WITH_GUESSES
[2022-11-02 20:09:47,421 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2022-11-02 20:09:47,421 INFO  L138        SettingsManager]:  * sizeof long=4
[2022-11-02 20:09:47,421 INFO  L138        SettingsManager]:  * Check unreachability of error function in SV-COMP mode=false
[2022-11-02 20:09:47,422 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2022-11-02 20:09:47,422 INFO  L138        SettingsManager]:  * sizeof POINTER=4
[2022-11-02 20:09:47,422 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2022-11-02 20:09:47,422 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=ASSUME
[2022-11-02 20:09:47,423 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=ASSUME
[2022-11-02 20:09:47,423 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=ASSUME
[2022-11-02 20:09:47,423 INFO  L138        SettingsManager]:  * sizeof long double=12
[2022-11-02 20:09:47,423 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2022-11-02 20:09:47,424 INFO  L138        SettingsManager]:  * Assume nondeterminstic values are in range=false
[2022-11-02 20:09:47,424 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2022-11-02 20:09:47,424 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=ASSUME
[2022-11-02 20:09:47,425 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2022-11-02 20:09:47,425 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2022-11-02 20:09:47,425 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2022-11-02 20:09:47,426 INFO  L138        SettingsManager]:  * Trace refinement strategy=CAMEL
[2022-11-02 20:09:47,427 INFO  L136        SettingsManager]: Preferences of IcfgTransformer differ from their defaults:
[2022-11-02 20:09:47,427 INFO  L138        SettingsManager]:  * TransformationType=MODULO_NEIGHBOR
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_worker_vcloud-master_on_vcloud-master/run_dir_6932ebdf-5301-483c-8a62-3baef43f5413/bin/uautomizer-Dbtcem3rbc/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_worker_vcloud-master_on_vcloud-master/run_dir_6932ebdf-5301-483c-8a62-3baef43f5413/bin/uautomizer-Dbtcem3rbc
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(F end) )


Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
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 -> fd0b8ceecda33bdad48c402c2c8ba6fe539641c6d50bf604e9c60e70c71a562b
[2022-11-02 20:09:47,755 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2022-11-02 20:09:47,779 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2022-11-02 20:09:47,782 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2022-11-02 20:09:47,784 INFO  L271        PluginConnector]: Initializing CDTParser...
[2022-11-02 20:09:47,784 INFO  L275        PluginConnector]: CDTParser initialized
[2022-11-02 20:09:47,786 INFO  L432   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6932ebdf-5301-483c-8a62-3baef43f5413/bin/uautomizer-Dbtcem3rbc/../../sv-benchmarks/c/product-lines/minepump_spec1_product63.cil.c
[2022-11-02 20:09:47,854 INFO  L220              CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6932ebdf-5301-483c-8a62-3baef43f5413/bin/uautomizer-Dbtcem3rbc/data/5e71d0805/b7520cb1b4d64724ac496c22a333f4a9/FLAGaa22b5397
[2022-11-02 20:09:48,493 INFO  L306              CDTParser]: Found 1 translation units.
[2022-11-02 20:09:48,494 INFO  L160              CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6932ebdf-5301-483c-8a62-3baef43f5413/sv-benchmarks/c/product-lines/minepump_spec1_product63.cil.c
[2022-11-02 20:09:48,519 INFO  L349              CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6932ebdf-5301-483c-8a62-3baef43f5413/bin/uautomizer-Dbtcem3rbc/data/5e71d0805/b7520cb1b4d64724ac496c22a333f4a9/FLAGaa22b5397
[2022-11-02 20:09:48,790 INFO  L357              CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6932ebdf-5301-483c-8a62-3baef43f5413/bin/uautomizer-Dbtcem3rbc/data/5e71d0805/b7520cb1b4d64724ac496c22a333f4a9
[2022-11-02 20:09:48,793 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2022-11-02 20:09:48,796 INFO  L131        ToolchainWalker]: Walking toolchain with 6 elements.
[2022-11-02 20:09:48,800 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2022-11-02 20:09:48,800 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2022-11-02 20:09:48,804 INFO  L275        PluginConnector]: CACSL2BoogieTranslator initialized
[2022-11-02 20:09:48,805 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:09:48" (1/1) ...
[2022-11-02 20:09:48,807 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1148ac54 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:09:48, skipping insertion in model container
[2022-11-02 20:09:48,807 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:09:48" (1/1) ...
[2022-11-02 20:09:48,816 INFO  L145         MainTranslator]: Starting translation in SV-COMP mode 
[2022-11-02 20:09:48,892 INFO  L178         MainTranslator]: Built tables and reachable declarations
[2022-11-02 20:09:49,226 WARN  L230   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6932ebdf-5301-483c-8a62-3baef43f5413/sv-benchmarks/c/product-lines/minepump_spec1_product63.cil.c[6160,6173]
[2022-11-02 20:09:49,349 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2022-11-02 20:09:49,368 INFO  L203         MainTranslator]: Completed pre-run
[2022-11-02 20:09:49,397 WARN  L230   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6932ebdf-5301-483c-8a62-3baef43f5413/sv-benchmarks/c/product-lines/minepump_spec1_product63.cil.c[6160,6173]
[2022-11-02 20:09:49,435 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2022-11-02 20:09:49,460 INFO  L208         MainTranslator]: Completed translation
[2022-11-02 20:09:49,461 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:09:49 WrapperNode
[2022-11-02 20:09:49,462 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2022-11-02 20:09:49,463 INFO  L113        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2022-11-02 20:09:49,464 INFO  L271        PluginConnector]: Initializing Boogie Procedure Inliner...
[2022-11-02 20:09:49,464 INFO  L275        PluginConnector]: Boogie Procedure Inliner initialized
[2022-11-02 20:09:49,471 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:09:49" (1/1) ...
[2022-11-02 20:09:49,490 INFO  L185        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:09:49" (1/1) ...
[2022-11-02 20:09:49,557 INFO  L138                Inliner]: procedures = 58, calls = 162, calls flagged for inlining = 59, calls inlined = 175, statements flattened = 1260
[2022-11-02 20:09:49,557 INFO  L132        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2022-11-02 20:09:49,558 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2022-11-02 20:09:49,558 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2022-11-02 20:09:49,558 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2022-11-02 20:09:49,567 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:09:49" (1/1) ...
[2022-11-02 20:09:49,567 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:09:49" (1/1) ...
[2022-11-02 20:09:49,572 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:09:49" (1/1) ...
[2022-11-02 20:09:49,573 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:09:49" (1/1) ...
[2022-11-02 20:09:49,588 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:09:49" (1/1) ...
[2022-11-02 20:09:49,597 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:09:49" (1/1) ...
[2022-11-02 20:09:49,600 INFO  L185        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:09:49" (1/1) ...
[2022-11-02 20:09:49,603 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:09:49" (1/1) ...
[2022-11-02 20:09:49,609 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2022-11-02 20:09:49,610 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2022-11-02 20:09:49,610 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2022-11-02 20:09:49,610 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2022-11-02 20:09:49,625 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:09:49" (1/1) ...
[2022-11-02 20:09:49,631 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2022-11-02 20:09:49,653 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6932ebdf-5301-483c-8a62-3baef43f5413/bin/uautomizer-Dbtcem3rbc/z3
[2022-11-02 20:09:49,666 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6932ebdf-5301-483c-8a62-3baef43f5413/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2022-11-02 20:09:49,675 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6932ebdf-5301-483c-8a62-3baef43f5413/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process
[2022-11-02 20:09:49,721 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2022-11-02 20:09:49,721 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int
[2022-11-02 20:09:49,721 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2022-11-02 20:09:49,722 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2022-11-02 20:09:49,811 INFO  L235             CfgBuilder]: Building ICFG
[2022-11-02 20:09:49,814 INFO  L261             CfgBuilder]: Building CFG for each procedure with an implementation
[2022-11-02 20:09:50,853 INFO  L276             CfgBuilder]: Performing block encoding
[2022-11-02 20:09:50,867 INFO  L295             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2022-11-02 20:09:50,868 INFO  L300             CfgBuilder]: Removed 2 assume(true) statements.
[2022-11-02 20:09:50,870 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:09:50 BoogieIcfgContainer
[2022-11-02 20:09:50,870 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2022-11-02 20:09:50,872 INFO  L113        PluginConnector]: ------------------------BuchiAutomizer----------------------------
[2022-11-02 20:09:50,872 INFO  L271        PluginConnector]: Initializing BuchiAutomizer...
[2022-11-02 20:09:50,880 INFO  L275        PluginConnector]: BuchiAutomizer initialized
[2022-11-02 20:09:50,880 INFO  L99          BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis
[2022-11-02 20:09:50,881 INFO  L185        PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 02.11 08:09:48" (1/3) ...
[2022-11-02 20:09:50,882 INFO  L205        PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@36dccf8f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 02.11 08:09:50, skipping insertion in model container
[2022-11-02 20:09:50,882 INFO  L99          BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis
[2022-11-02 20:09:50,882 INFO  L185        PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:09:49" (2/3) ...
[2022-11-02 20:09:50,882 INFO  L205        PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@36dccf8f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 02.11 08:09:50, skipping insertion in model container
[2022-11-02 20:09:50,883 INFO  L99          BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis
[2022-11-02 20:09:50,883 INFO  L185        PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:09:50" (3/3) ...
[2022-11-02 20:09:50,884 INFO  L332   chiAutomizerObserver]: Analyzing ICFG minepump_spec1_product63.cil.c
[2022-11-02 20:09:50,960 INFO  L303   stractBuchiCegarLoop]: Interprodecural is true
[2022-11-02 20:09:50,960 INFO  L304   stractBuchiCegarLoop]: Hoare is false
[2022-11-02 20:09:50,960 INFO  L305   stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates
[2022-11-02 20:09:50,960 INFO  L306   stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE
[2022-11-02 20:09:50,960 INFO  L307   stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2022-11-02 20:09:50,961 INFO  L308   stractBuchiCegarLoop]: Difference is false
[2022-11-02 20:09:50,961 INFO  L309   stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA
[2022-11-02 20:09:50,961 INFO  L313   stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ========
[2022-11-02 20:09:50,966 INFO  L72            BuchiIsEmpty]: Start buchiIsEmpty. Operand  has 322 states, 321 states have (on average 1.35202492211838) internal successors, (434), 321 states have internal predecessors, (434), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-02 20:09:51,002 INFO  L131   ngComponentsAnalysis]: Automaton has 2 accepting balls. 212
[2022-11-02 20:09:51,002 INFO  L87            BuchiIsEmpty]: Finished buchiIsEmpty Result is false
[2022-11-02 20:09:51,002 INFO  L119           BuchiIsEmpty]: Starting construction of run
[2022-11-02 20:09:51,009 INFO  L148   hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1]
[2022-11-02 20:09:51,010 INFO  L149   hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-11-02 20:09:51,010 INFO  L335   stractBuchiCegarLoop]: ======== Iteration 1 ============
[2022-11-02 20:09:51,011 INFO  L72            BuchiIsEmpty]: Start buchiIsEmpty. Operand  has 322 states, 321 states have (on average 1.35202492211838) internal successors, (434), 321 states have internal predecessors, (434), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-02 20:09:51,023 INFO  L131   ngComponentsAnalysis]: Automaton has 2 accepting balls. 212
[2022-11-02 20:09:51,023 INFO  L87            BuchiIsEmpty]: Finished buchiIsEmpty Result is false
[2022-11-02 20:09:51,024 INFO  L119           BuchiIsEmpty]: Starting construction of run
[2022-11-02 20:09:51,025 INFO  L148   hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1]
[2022-11-02 20:09:51,025 INFO  L149   hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-11-02 20:09:51,031 INFO  L748   eck$LassoCheckResult]: Stem: 307#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(13, 4);call #Ultimate.allocInit(3, 5);call write~init~int(79, 5, 0, 1);call write~init~int(110, 5, 1, 1);call write~init~int(0, 5, 2, 1);call #Ultimate.allocInit(4, 6);call write~init~int(79, 6, 0, 1);call write~init~int(102, 6, 1, 1);call write~init~int(102, 6, 2, 1);call write~init~int(0, 6, 3, 1);call #Ultimate.allocInit(7, 7);call write~init~int(44, 7, 0, 1);call write~init~int(80, 7, 1, 1);call write~init~int(117, 7, 2, 1);call write~init~int(109, 7, 3, 1);call write~init~int(112, 7, 4, 1);call write~init~int(58, 7, 5, 1);call write~init~int(0, 7, 6, 1);call #Ultimate.allocInit(3, 8);call write~init~int(79, 8, 0, 1);call write~init~int(110, 8, 1, 1);call write~init~int(0, 8, 2, 1);call #Ultimate.allocInit(4, 9);call write~init~int(79, 9, 0, 1);call write~init~int(102, 9, 1, 1);call write~init~int(102, 9, 2, 1);call write~init~int(0, 9, 3, 1);call #Ultimate.allocInit(3, 10);call write~init~int(41, 10, 0, 1);call write~init~int(32, 10, 1, 1);call write~init~int(0, 10, 2, 1);call #Ultimate.allocInit(2, 11);call write~init~int(10, 11, 0, 1);call write~init~int(0, 11, 1, 1);call #Ultimate.allocInit(30, 12);call #Ultimate.allocInit(9, 13);call #Ultimate.allocInit(21, 14);call #Ultimate.allocInit(30, 15);call #Ultimate.allocInit(9, 16);call #Ultimate.allocInit(21, 17);call #Ultimate.allocInit(30, 18);call #Ultimate.allocInit(9, 19);call #Ultimate.allocInit(25, 20);call #Ultimate.allocInit(30, 21);call #Ultimate.allocInit(9, 22);call #Ultimate.allocInit(25, 23);call #Ultimate.allocInit(13, 24);call #Ultimate.allocInit(7, 25);call write~init~int(44, 25, 0, 1);call write~init~int(77, 25, 1, 1);call write~init~int(101, 25, 2, 1);call write~init~int(116, 25, 3, 1);call write~init~int(104, 25, 4, 1);call write~init~int(58, 25, 5, 1);call write~init~int(0, 25, 6, 1);call #Ultimate.allocInit(5, 26);call write~init~int(67, 26, 0, 1);call write~init~int(82, 26, 1, 1);call write~init~int(73, 26, 2, 1);call write~init~int(84, 26, 3, 1);call write~init~int(0, 26, 4, 1);call #Ultimate.allocInit(3, 27);call write~init~int(79, 27, 0, 1);call write~init~int(75, 27, 1, 1);call write~init~int(0, 27, 2, 1);call #Ultimate.allocInit(2, 28);call write~init~int(41, 28, 0, 1);call write~init~int(0, 28, 1, 1);~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; 212#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret46#1, main_~retValue_acc~7#1, main_~tmp~10#1;havoc main_~retValue_acc~7#1;havoc main_~tmp~10#1;assume { :begin_inline_select_helpers } true; 162#L1013true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 163#L1006true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~13#1;havoc valid_product_~retValue_acc~13#1;valid_product_~retValue_acc~13#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~13#1; 266#L1021true main_#t~ret46#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~10#1 := main_#t~ret46#1;havoc main_#t~ret46#1; 292#L847true assume 0 != main_~tmp~10#1;assume { :begin_inline_setup } true; 152#L821true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet19#1, test_#t~nondet20#1, test_#t~nondet21#1, test_#t~nondet22#1, test_~splverifierCounter~0#1, test_~tmp~6#1, test_~tmp___0~2#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~6#1;havoc test_~tmp___0~2#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 15#L330-2true 
[2022-11-02 20:09:51,031 INFO  L750   eck$LassoCheckResult]: Loop: 15#L330-2true assume !false; 177#L331true assume test_~splverifierCounter~0#1 < 4; 195#L332true test_~tmp~6#1 := test_#t~nondet19#1;havoc test_#t~nondet19#1; 289#L340true assume !(0 != test_~tmp~6#1); 104#L340-2true test_~tmp___0~2#1 := test_#t~nondet20#1;havoc test_#t~nondet20#1; 126#L350true assume !(0 != test_~tmp___0~2#1); 294#L350-2true test_~tmp___2~0#1 := test_#t~nondet21#1;havoc test_#t~nondet21#1; 22#L360true assume 0 != test_~tmp___2~0#1; 116#L366-2true assume { :begin_inline_timeShift } true; 18#L69true assume !(0 != ~pumpRunning~0); 287#L69-2true assume !(0 != ~systemActive~0); 304#L76-1true assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret47#1, __utac_acc__Specification1_spec__1_#t~ret48#1, __utac_acc__Specification1_spec__1_~tmp~11#1, __utac_acc__Specification1_spec__1_~tmp___0~3#1;havoc __utac_acc__Specification1_spec__1_~tmp~11#1;havoc __utac_acc__Specification1_spec__1_~tmp___0~3#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~8#1;havoc isMethaneLevelCritical_~retValue_acc~8#1;isMethaneLevelCritical_~retValue_acc~8#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~8#1; 138#L931-5true __utac_acc__Specification1_spec__1_#t~ret47#1 := isMethaneLevelCritical_#res#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~11#1 := __utac_acc__Specification1_spec__1_#t~ret47#1;havoc __utac_acc__Specification1_spec__1_#t~ret47#1; 60#L869true assume !(0 != __utac_acc__Specification1_spec__1_~tmp~11#1); 151#L869-1true assume { :end_inline___utac_acc__Specification1_spec__1 } true; 169#L86true assume { :end_inline_timeShift } true; 15#L330-2true 
[2022-11-02 20:09:51,037 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-11-02 20:09:51,037 INFO  L85        PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 1 times
[2022-11-02 20:09:51,047 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-02 20:09:51,048 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [861867556]
[2022-11-02 20:09:51,048 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-02 20:09:51,049 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-02 20:09:51,186 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2022-11-02 20:09:51,186 INFO  L356             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2022-11-02 20:09:51,209 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2022-11-02 20:09:51,229 INFO  L130   FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2022-11-02 20:09:51,232 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-11-02 20:09:51,233 INFO  L85        PathProgramCache]: Analyzing trace with hash 1022359812, now seen corresponding path program 1 times
[2022-11-02 20:09:51,233 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-02 20:09:51,233 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1392378700]
[2022-11-02 20:09:51,233 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-02 20:09:51,234 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-02 20:09:51,245 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2022-11-02 20:09:51,245 INFO  L356             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2022-11-02 20:09:51,250 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2022-11-02 20:09:51,253 INFO  L130   FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2022-11-02 20:09:51,254 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-11-02 20:09:51,255 INFO  L85        PathProgramCache]: Analyzing trace with hash -1917188408, now seen corresponding path program 1 times
[2022-11-02 20:09:51,255 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-02 20:09:51,255 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1081094240]
[2022-11-02 20:09:51,255 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-02 20:09:51,256 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-02 20:09:51,320 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 20:09:51,561 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-11-02 20:09:51,561 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-11-02 20:09:51,562 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1081094240]
[2022-11-02 20:09:51,562 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1081094240] provided 1 perfect and 0 imperfect interpolant sequences
[2022-11-02 20:09:51,562 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-11-02 20:09:51,563 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2022-11-02 20:09:51,563 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1565983250]
[2022-11-02 20:09:51,564 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-11-02 20:09:51,681 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-11-02 20:09:51,715 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2022-11-02 20:09:51,716 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30
[2022-11-02 20:09:51,718 INFO  L87              Difference]: Start difference. First operand  has 322 states, 321 states have (on average 1.35202492211838) internal successors, (434), 321 states have internal predecessors, (434), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand  has 6 states, 6 states have (on average 3.8333333333333335) internal successors, (23), 5 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-02 20:09:51,861 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-11-02 20:09:51,862 INFO  L93              Difference]: Finished difference Result 695 states and 917 transitions.
[2022-11-02 20:09:51,863 INFO  L82        GeneralOperation]: Start removeNonLiveStates. Operand 695 states and 917 transitions.
[2022-11-02 20:09:51,871 INFO  L131   ngComponentsAnalysis]: Automaton has 5 accepting balls. 455
[2022-11-02 20:09:51,880 INFO  L88        GeneralOperation]: Finished removeNonLiveStates. Reduced from 695 states to 665 states and 887 transitions.
[2022-11-02 20:09:51,881 INFO  L87         BuchiClosureNwa]: Accepting states before buchiClosure: 665
[2022-11-02 20:09:51,883 INFO  L106        BuchiClosureNwa]: Accepting states after buchiClosure: 665
[2022-11-02 20:09:51,884 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 665 states and 887 transitions.
[2022-11-02 20:09:51,887 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2022-11-02 20:09:51,887 INFO  L218   hiAutomatonCegarLoop]: Abstraction has 665 states and 887 transitions.
[2022-11-02 20:09:51,906 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 665 states and 887 transitions.
[2022-11-02 20:09:51,932 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 665 to 361.
[2022-11-02 20:09:51,934 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 361 states, 361 states have (on average 1.332409972299169) internal successors, (481), 360 states have internal predecessors, (481), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-02 20:09:51,935 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 361 states to 361 states and 481 transitions.
[2022-11-02 20:09:51,936 INFO  L240   hiAutomatonCegarLoop]: Abstraction has 361 states and 481 transitions.
[2022-11-02 20:09:51,937 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2022-11-02 20:09:51,940 INFO  L428   stractBuchiCegarLoop]: Abstraction has 361 states and 481 transitions.
[2022-11-02 20:09:51,940 INFO  L335   stractBuchiCegarLoop]: ======== Iteration 2 ============
[2022-11-02 20:09:51,940 INFO  L72            BuchiIsEmpty]: Start buchiIsEmpty. Operand 361 states and 481 transitions.
[2022-11-02 20:09:51,943 INFO  L131   ngComponentsAnalysis]: Automaton has 3 accepting balls. 248
[2022-11-02 20:09:51,943 INFO  L87            BuchiIsEmpty]: Finished buchiIsEmpty Result is false
[2022-11-02 20:09:51,943 INFO  L119           BuchiIsEmpty]: Starting construction of run
[2022-11-02 20:09:51,944 INFO  L148   hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1]
[2022-11-02 20:09:51,944 INFO  L149   hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-11-02 20:09:51,944 INFO  L748   eck$LassoCheckResult]: Stem: 1344#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(13, 4);call #Ultimate.allocInit(3, 5);call write~init~int(79, 5, 0, 1);call write~init~int(110, 5, 1, 1);call write~init~int(0, 5, 2, 1);call #Ultimate.allocInit(4, 6);call write~init~int(79, 6, 0, 1);call write~init~int(102, 6, 1, 1);call write~init~int(102, 6, 2, 1);call write~init~int(0, 6, 3, 1);call #Ultimate.allocInit(7, 7);call write~init~int(44, 7, 0, 1);call write~init~int(80, 7, 1, 1);call write~init~int(117, 7, 2, 1);call write~init~int(109, 7, 3, 1);call write~init~int(112, 7, 4, 1);call write~init~int(58, 7, 5, 1);call write~init~int(0, 7, 6, 1);call #Ultimate.allocInit(3, 8);call write~init~int(79, 8, 0, 1);call write~init~int(110, 8, 1, 1);call write~init~int(0, 8, 2, 1);call #Ultimate.allocInit(4, 9);call write~init~int(79, 9, 0, 1);call write~init~int(102, 9, 1, 1);call write~init~int(102, 9, 2, 1);call write~init~int(0, 9, 3, 1);call #Ultimate.allocInit(3, 10);call write~init~int(41, 10, 0, 1);call write~init~int(32, 10, 1, 1);call write~init~int(0, 10, 2, 1);call #Ultimate.allocInit(2, 11);call write~init~int(10, 11, 0, 1);call write~init~int(0, 11, 1, 1);call #Ultimate.allocInit(30, 12);call #Ultimate.allocInit(9, 13);call #Ultimate.allocInit(21, 14);call #Ultimate.allocInit(30, 15);call #Ultimate.allocInit(9, 16);call #Ultimate.allocInit(21, 17);call #Ultimate.allocInit(30, 18);call #Ultimate.allocInit(9, 19);call #Ultimate.allocInit(25, 20);call #Ultimate.allocInit(30, 21);call #Ultimate.allocInit(9, 22);call #Ultimate.allocInit(25, 23);call #Ultimate.allocInit(13, 24);call #Ultimate.allocInit(7, 25);call write~init~int(44, 25, 0, 1);call write~init~int(77, 25, 1, 1);call write~init~int(101, 25, 2, 1);call write~init~int(116, 25, 3, 1);call write~init~int(104, 25, 4, 1);call write~init~int(58, 25, 5, 1);call write~init~int(0, 25, 6, 1);call #Ultimate.allocInit(5, 26);call write~init~int(67, 26, 0, 1);call write~init~int(82, 26, 1, 1);call write~init~int(73, 26, 2, 1);call write~init~int(84, 26, 3, 1);call write~init~int(0, 26, 4, 1);call #Ultimate.allocInit(3, 27);call write~init~int(79, 27, 0, 1);call write~init~int(75, 27, 1, 1);call write~init~int(0, 27, 2, 1);call #Ultimate.allocInit(2, 28);call write~init~int(41, 28, 0, 1);call write~init~int(0, 28, 1, 1);~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; 1303#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret46#1, main_~retValue_acc~7#1, main_~tmp~10#1;havoc main_~retValue_acc~7#1;havoc main_~tmp~10#1;assume { :begin_inline_select_helpers } true; 1273#L1013 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 1274#L1006 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~13#1;havoc valid_product_~retValue_acc~13#1;valid_product_~retValue_acc~13#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~13#1; 1275#L1021 main_#t~ret46#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~10#1 := main_#t~ret46#1;havoc main_#t~ret46#1; 1332#L847 assume 0 != main_~tmp~10#1;assume { :begin_inline_setup } true; 1269#L821 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet19#1, test_#t~nondet20#1, test_#t~nondet21#1, test_#t~nondet22#1, test_~splverifierCounter~0#1, test_~tmp~6#1, test_~tmp___0~2#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~6#1;havoc test_~tmp___0~2#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 1063#L330-2 
[2022-11-02 20:09:51,945 INFO  L750   eck$LassoCheckResult]: Loop: 1063#L330-2 assume !false; 1064#L331 assume test_~splverifierCounter~0#1 < 4; 1282#L332 test_~tmp~6#1 := test_#t~nondet19#1;havoc test_#t~nondet19#1; 1291#L340 assume !(0 != test_~tmp~6#1); 1215#L340-2 test_~tmp___0~2#1 := test_#t~nondet20#1;havoc test_#t~nondet20#1; 1216#L350 assume !(0 != test_~tmp___0~2#1); 1097#L350-2 test_~tmp___2~0#1 := test_#t~nondet21#1;havoc test_#t~nondet21#1; 1078#L360 assume 0 != test_~tmp___2~0#1; 1080#L366-2 assume { :begin_inline_timeShift } true; 1071#L69 assume !(0 != ~pumpRunning~0); 1072#L69-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret6#1, processEnvironment_~tmp~2#1;havoc processEnvironment_~tmp~2#1; 1061#L153 assume 0 != ~pumpRunning~0;assume { :begin_inline_isMethaneAlarm } true;havoc isMethaneAlarm_#res#1;havoc isMethaneAlarm_#t~ret8#1, isMethaneAlarm_~retValue_acc~0#1;havoc isMethaneAlarm_~retValue_acc~0#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~8#1;havoc isMethaneLevelCritical_~retValue_acc~8#1;isMethaneLevelCritical_~retValue_acc~8#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~8#1; 1051#L931 isMethaneAlarm_#t~ret8#1 := isMethaneLevelCritical_#res#1;assume { :end_inline_isMethaneLevelCritical } true;isMethaneAlarm_~retValue_acc~0#1 := isMethaneAlarm_#t~ret8#1;havoc isMethaneAlarm_#t~ret8#1;isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~0#1; 1052#L214 processEnvironment_#t~ret6#1 := isMethaneAlarm_#res#1;assume { :end_inline_isMethaneAlarm } true;processEnvironment_~tmp~2#1 := processEnvironment_#t~ret6#1;havoc processEnvironment_#t~ret6#1; 1053#L157 assume 0 != processEnvironment_~tmp~2#1;assume { :begin_inline_deactivatePump } true;~pumpRunning~0 := 0; 1055#L204-1 assume { :end_inline_deactivatePump } true; 1208#L153-1 assume { :end_inline_processEnvironment } true; 1209#L76-1 assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret47#1, __utac_acc__Specification1_spec__1_#t~ret48#1, __utac_acc__Specification1_spec__1_~tmp~11#1, __utac_acc__Specification1_spec__1_~tmp___0~3#1;havoc __utac_acc__Specification1_spec__1_~tmp~11#1;havoc __utac_acc__Specification1_spec__1_~tmp___0~3#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~8#1;havoc isMethaneLevelCritical_~retValue_acc~8#1;isMethaneLevelCritical_~retValue_acc~8#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~8#1; 1252#L931-5 __utac_acc__Specification1_spec__1_#t~ret47#1 := isMethaneLevelCritical_#res#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~11#1 := __utac_acc__Specification1_spec__1_#t~ret47#1;havoc __utac_acc__Specification1_spec__1_#t~ret47#1; 1146#L869 assume !(0 != __utac_acc__Specification1_spec__1_~tmp~11#1); 1128#L869-1 assume { :end_inline___utac_acc__Specification1_spec__1 } true; 1268#L86 assume { :end_inline_timeShift } true; 1063#L330-2 
[2022-11-02 20:09:51,945 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-11-02 20:09:51,945 INFO  L85        PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 2 times
[2022-11-02 20:09:51,945 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-02 20:09:51,946 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [777012048]
[2022-11-02 20:09:51,946 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-02 20:09:51,946 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-02 20:09:51,957 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2022-11-02 20:09:51,957 INFO  L356             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2022-11-02 20:09:51,965 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2022-11-02 20:09:51,970 INFO  L130   FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2022-11-02 20:09:51,970 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-11-02 20:09:51,971 INFO  L85        PathProgramCache]: Analyzing trace with hash -1369355091, now seen corresponding path program 1 times
[2022-11-02 20:09:51,971 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-02 20:09:51,971 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1482356129]
[2022-11-02 20:09:51,971 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-02 20:09:51,972 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-02 20:09:51,976 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 20:09:51,991 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-11-02 20:09:51,992 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-11-02 20:09:51,992 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1482356129]
[2022-11-02 20:09:51,992 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1482356129] provided 1 perfect and 0 imperfect interpolant sequences
[2022-11-02 20:09:51,992 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-11-02 20:09:51,992 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2022-11-02 20:09:51,993 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [412577802]
[2022-11-02 20:09:51,993 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-11-02 20:09:51,993 INFO  L765   eck$LassoCheckResult]: loop already infeasible
[2022-11-02 20:09:51,993 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-11-02 20:09:51,994 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2022-11-02 20:09:51,994 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2022-11-02 20:09:51,994 INFO  L87              Difference]: Start difference. First operand 361 states and 481 transitions. cyclomatic complexity: 123 Second operand  has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-02 20:09:52,098 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-11-02 20:09:52,099 INFO  L93              Difference]: Finished difference Result 363 states and 457 transitions.
[2022-11-02 20:09:52,099 INFO  L82        GeneralOperation]: Start removeNonLiveStates. Operand 363 states and 457 transitions.
[2022-11-02 20:09:52,102 INFO  L131   ngComponentsAnalysis]: Automaton has 3 accepting balls. 255
[2022-11-02 20:09:52,104 INFO  L88        GeneralOperation]: Finished removeNonLiveStates. Reduced from 363 states to 363 states and 457 transitions.
[2022-11-02 20:09:52,104 INFO  L87         BuchiClosureNwa]: Accepting states before buchiClosure: 363
[2022-11-02 20:09:52,105 INFO  L106        BuchiClosureNwa]: Accepting states after buchiClosure: 363
[2022-11-02 20:09:52,105 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 363 states and 457 transitions.
[2022-11-02 20:09:52,106 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2022-11-02 20:09:52,106 INFO  L218   hiAutomatonCegarLoop]: Abstraction has 363 states and 457 transitions.
[2022-11-02 20:09:52,107 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 363 states and 457 transitions.
[2022-11-02 20:09:52,138 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 363 to 363.
[2022-11-02 20:09:52,139 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 363 states, 363 states have (on average 1.258953168044077) internal successors, (457), 362 states have internal predecessors, (457), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-02 20:09:52,146 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 363 states to 363 states and 457 transitions.
[2022-11-02 20:09:52,146 INFO  L240   hiAutomatonCegarLoop]: Abstraction has 363 states and 457 transitions.
[2022-11-02 20:09:52,146 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-11-02 20:09:52,147 INFO  L428   stractBuchiCegarLoop]: Abstraction has 363 states and 457 transitions.
[2022-11-02 20:09:52,147 INFO  L335   stractBuchiCegarLoop]: ======== Iteration 3 ============
[2022-11-02 20:09:52,147 INFO  L72            BuchiIsEmpty]: Start buchiIsEmpty. Operand 363 states and 457 transitions.
[2022-11-02 20:09:52,150 INFO  L131   ngComponentsAnalysis]: Automaton has 3 accepting balls. 255
[2022-11-02 20:09:52,150 INFO  L87            BuchiIsEmpty]: Finished buchiIsEmpty Result is false
[2022-11-02 20:09:52,150 INFO  L119           BuchiIsEmpty]: Starting construction of run
[2022-11-02 20:09:52,151 INFO  L148   hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1]
[2022-11-02 20:09:52,151 INFO  L149   hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-11-02 20:09:52,151 INFO  L748   eck$LassoCheckResult]: Stem: 2021#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(13, 4);call #Ultimate.allocInit(3, 5);call write~init~int(79, 5, 0, 1);call write~init~int(110, 5, 1, 1);call write~init~int(0, 5, 2, 1);call #Ultimate.allocInit(4, 6);call write~init~int(79, 6, 0, 1);call write~init~int(102, 6, 1, 1);call write~init~int(102, 6, 2, 1);call write~init~int(0, 6, 3, 1);call #Ultimate.allocInit(7, 7);call write~init~int(44, 7, 0, 1);call write~init~int(80, 7, 1, 1);call write~init~int(117, 7, 2, 1);call write~init~int(109, 7, 3, 1);call write~init~int(112, 7, 4, 1);call write~init~int(58, 7, 5, 1);call write~init~int(0, 7, 6, 1);call #Ultimate.allocInit(3, 8);call write~init~int(79, 8, 0, 1);call write~init~int(110, 8, 1, 1);call write~init~int(0, 8, 2, 1);call #Ultimate.allocInit(4, 9);call write~init~int(79, 9, 0, 1);call write~init~int(102, 9, 1, 1);call write~init~int(102, 9, 2, 1);call write~init~int(0, 9, 3, 1);call #Ultimate.allocInit(3, 10);call write~init~int(41, 10, 0, 1);call write~init~int(32, 10, 1, 1);call write~init~int(0, 10, 2, 1);call #Ultimate.allocInit(2, 11);call write~init~int(10, 11, 0, 1);call write~init~int(0, 11, 1, 1);call #Ultimate.allocInit(30, 12);call #Ultimate.allocInit(9, 13);call #Ultimate.allocInit(21, 14);call #Ultimate.allocInit(30, 15);call #Ultimate.allocInit(9, 16);call #Ultimate.allocInit(21, 17);call #Ultimate.allocInit(30, 18);call #Ultimate.allocInit(9, 19);call #Ultimate.allocInit(25, 20);call #Ultimate.allocInit(30, 21);call #Ultimate.allocInit(9, 22);call #Ultimate.allocInit(25, 23);call #Ultimate.allocInit(13, 24);call #Ultimate.allocInit(7, 25);call write~init~int(44, 25, 0, 1);call write~init~int(77, 25, 1, 1);call write~init~int(101, 25, 2, 1);call write~init~int(116, 25, 3, 1);call write~init~int(104, 25, 4, 1);call write~init~int(58, 25, 5, 1);call write~init~int(0, 25, 6, 1);call #Ultimate.allocInit(5, 26);call write~init~int(67, 26, 0, 1);call write~init~int(82, 26, 1, 1);call write~init~int(73, 26, 2, 1);call write~init~int(84, 26, 3, 1);call write~init~int(0, 26, 4, 1);call #Ultimate.allocInit(3, 27);call write~init~int(79, 27, 0, 1);call write~init~int(75, 27, 1, 1);call write~init~int(0, 27, 2, 1);call #Ultimate.allocInit(2, 28);call write~init~int(41, 28, 0, 1);call write~init~int(0, 28, 1, 1);~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; 1982#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret46#1, main_~retValue_acc~7#1, main_~tmp~10#1;havoc main_~retValue_acc~7#1;havoc main_~tmp~10#1;assume { :begin_inline_select_helpers } true; 1954#L1013 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 1955#L1006 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~13#1;havoc valid_product_~retValue_acc~13#1;valid_product_~retValue_acc~13#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~13#1; 1956#L1021 main_#t~ret46#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~10#1 := main_#t~ret46#1;havoc main_#t~ret46#1; 2011#L847 assume 0 != main_~tmp~10#1;assume { :begin_inline_setup } true; 1950#L821 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet19#1, test_#t~nondet20#1, test_#t~nondet21#1, test_#t~nondet22#1, test_~splverifierCounter~0#1, test_~tmp~6#1, test_~tmp___0~2#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~6#1;havoc test_~tmp___0~2#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 1785#L330-2 
[2022-11-02 20:09:52,152 INFO  L750   eck$LassoCheckResult]: Loop: 1785#L330-2 assume !false; 1786#L331 assume test_~splverifierCounter~0#1 < 4; 1963#L332 test_~tmp~6#1 := test_#t~nondet19#1;havoc test_#t~nondet19#1; 1974#L340 assume !(0 != test_~tmp~6#1); 1908#L340-2 test_~tmp___0~2#1 := test_#t~nondet20#1;havoc test_#t~nondet20#1; 1909#L350 assume !(0 != test_~tmp___0~2#1); 1815#L350-2 test_~tmp___2~0#1 := test_#t~nondet21#1;havoc test_#t~nondet21#1; 1799#L360 assume 0 != test_~tmp___2~0#1; 1801#L366-2 assume { :begin_inline_timeShift } true; 1791#L69 assume !(0 != ~pumpRunning~0); 1792#L69-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret6#1, processEnvironment_~tmp~2#1;havoc processEnvironment_~tmp~2#1; 1783#L153 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__methaneQuery } true;havoc processEnvironment__wrappee__methaneQuery_#t~ret5#1, processEnvironment__wrappee__methaneQuery_~tmp~1#1;havoc processEnvironment__wrappee__methaneQuery_~tmp~1#1; 1784#L127-2 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__highWaterSensor } true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret4#1, processEnvironment__wrappee__highWaterSensor_~tmp~0#1;havoc processEnvironment__wrappee__highWaterSensor_~tmp~0#1; 1997#L101-6 assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret17#1, isHighWaterLevel_~retValue_acc~2#1, isHighWaterLevel_~tmp~4#1, isHighWaterLevel_~tmp___0~0#1;havoc isHighWaterLevel_~retValue_acc~2#1;havoc isHighWaterLevel_~tmp~4#1;havoc isHighWaterLevel_~tmp___0~0#1;assume { :begin_inline_isHighWaterSensorDry } true;havoc isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~10#1;havoc isHighWaterSensorDry_~retValue_acc~10#1; 1832#L971-3 assume !(~waterLevel~0 < 2);isHighWaterSensorDry_~retValue_acc~10#1 := 0;isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~10#1; 1833#L976-3 isHighWaterLevel_#t~ret17#1 := isHighWaterSensorDry_#res#1;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~4#1 := isHighWaterLevel_#t~ret17#1;havoc isHighWaterLevel_#t~ret17#1; 2014#L272-9 assume 0 != isHighWaterLevel_~tmp~4#1;isHighWaterLevel_~tmp___0~0#1 := 0; 1989#L272-11 isHighWaterLevel_~retValue_acc~2#1 := isHighWaterLevel_~tmp___0~0#1;isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~2#1; 1979#L278-3 processEnvironment__wrappee__highWaterSensor_#t~ret4#1 := isHighWaterLevel_#res#1;assume { :end_inline_isHighWaterLevel } true;processEnvironment__wrappee__highWaterSensor_~tmp~0#1 := processEnvironment__wrappee__highWaterSensor_#t~ret4#1;havoc processEnvironment__wrappee__highWaterSensor_#t~ret4#1; 1980#L105-9 assume !(0 != processEnvironment__wrappee__highWaterSensor_~tmp~0#1);assume { :begin_inline_processEnvironment__wrappee__base } true; 1926#L93-6 assume { :end_inline_processEnvironment__wrappee__base } true; 1768#L101-7 assume { :end_inline_processEnvironment__wrappee__highWaterSensor } true; 1769#L127-3 assume { :end_inline_processEnvironment__wrappee__methaneQuery } true; 1905#L153-1 assume { :end_inline_processEnvironment } true; 1906#L76-1 assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret47#1, __utac_acc__Specification1_spec__1_#t~ret48#1, __utac_acc__Specification1_spec__1_~tmp~11#1, __utac_acc__Specification1_spec__1_~tmp___0~3#1;havoc __utac_acc__Specification1_spec__1_~tmp~11#1;havoc __utac_acc__Specification1_spec__1_~tmp___0~3#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~8#1;havoc isMethaneLevelCritical_~retValue_acc~8#1;isMethaneLevelCritical_~retValue_acc~8#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~8#1; 1938#L931-5 __utac_acc__Specification1_spec__1_#t~ret47#1 := isMethaneLevelCritical_#res#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~11#1 := __utac_acc__Specification1_spec__1_#t~ret47#1;havoc __utac_acc__Specification1_spec__1_#t~ret47#1; 1857#L869 assume !(0 != __utac_acc__Specification1_spec__1_~tmp~11#1); 1842#L869-1 assume { :end_inline___utac_acc__Specification1_spec__1 } true; 1949#L86 assume { :end_inline_timeShift } true; 1785#L330-2 
[2022-11-02 20:09:52,153 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-11-02 20:09:52,153 INFO  L85        PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 3 times
[2022-11-02 20:09:52,153 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-02 20:09:52,153 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [36604871]
[2022-11-02 20:09:52,153 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-02 20:09:52,154 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-02 20:09:52,164 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2022-11-02 20:09:52,165 INFO  L356             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2022-11-02 20:09:52,171 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2022-11-02 20:09:52,176 INFO  L130   FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2022-11-02 20:09:52,177 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-11-02 20:09:52,177 INFO  L85        PathProgramCache]: Analyzing trace with hash 1645272579, now seen corresponding path program 1 times
[2022-11-02 20:09:52,177 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-02 20:09:52,177 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1730207828]
[2022-11-02 20:09:52,178 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-02 20:09:52,178 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-02 20:09:52,184 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 20:09:52,227 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-11-02 20:09:52,228 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-11-02 20:09:52,228 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1730207828]
[2022-11-02 20:09:52,228 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1730207828] provided 1 perfect and 0 imperfect interpolant sequences
[2022-11-02 20:09:52,228 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-11-02 20:09:52,229 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2022-11-02 20:09:52,229 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [908665174]
[2022-11-02 20:09:52,229 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-11-02 20:09:52,229 INFO  L765   eck$LassoCheckResult]: loop already infeasible
[2022-11-02 20:09:52,230 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-11-02 20:09:52,230 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2022-11-02 20:09:52,230 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2022-11-02 20:09:52,231 INFO  L87              Difference]: Start difference. First operand 363 states and 457 transitions. cyclomatic complexity: 97 Second operand  has 4 states, 4 states have (on average 7.25) internal successors, (29), 4 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-02 20:09:52,373 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-11-02 20:09:52,373 INFO  L93              Difference]: Finished difference Result 1039 states and 1285 transitions.
[2022-11-02 20:09:52,373 INFO  L82        GeneralOperation]: Start removeNonLiveStates. Operand 1039 states and 1285 transitions.
[2022-11-02 20:09:52,381 INFO  L131   ngComponentsAnalysis]: Automaton has 5 accepting balls. 741
[2022-11-02 20:09:52,387 INFO  L88        GeneralOperation]: Finished removeNonLiveStates. Reduced from 1039 states to 1039 states and 1285 transitions.
[2022-11-02 20:09:52,387 INFO  L87         BuchiClosureNwa]: Accepting states before buchiClosure: 1039
[2022-11-02 20:09:52,388 INFO  L106        BuchiClosureNwa]: Accepting states after buchiClosure: 1039
[2022-11-02 20:09:52,388 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 1039 states and 1285 transitions.
[2022-11-02 20:09:52,390 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2022-11-02 20:09:52,390 INFO  L218   hiAutomatonCegarLoop]: Abstraction has 1039 states and 1285 transitions.
[2022-11-02 20:09:52,393 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 1039 states and 1285 transitions.
[2022-11-02 20:09:52,414 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 1039 to 381.
[2022-11-02 20:09:52,415 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 381 states, 381 states have (on average 1.246719160104987) internal successors, (475), 380 states have internal predecessors, (475), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-02 20:09:52,416 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 381 states to 381 states and 475 transitions.
[2022-11-02 20:09:52,416 INFO  L240   hiAutomatonCegarLoop]: Abstraction has 381 states and 475 transitions.
[2022-11-02 20:09:52,417 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2022-11-02 20:09:52,418 INFO  L428   stractBuchiCegarLoop]: Abstraction has 381 states and 475 transitions.
[2022-11-02 20:09:52,418 INFO  L335   stractBuchiCegarLoop]: ======== Iteration 4 ============
[2022-11-02 20:09:52,418 INFO  L72            BuchiIsEmpty]: Start buchiIsEmpty. Operand 381 states and 475 transitions.
[2022-11-02 20:09:52,420 INFO  L131   ngComponentsAnalysis]: Automaton has 3 accepting balls. 267
[2022-11-02 20:09:52,420 INFO  L87            BuchiIsEmpty]: Finished buchiIsEmpty Result is false
[2022-11-02 20:09:52,421 INFO  L119           BuchiIsEmpty]: Starting construction of run
[2022-11-02 20:09:52,422 INFO  L148   hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1]
[2022-11-02 20:09:52,422 INFO  L149   hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-11-02 20:09:52,422 INFO  L748   eck$LassoCheckResult]: Stem: 3465#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(13, 4);call #Ultimate.allocInit(3, 5);call write~init~int(79, 5, 0, 1);call write~init~int(110, 5, 1, 1);call write~init~int(0, 5, 2, 1);call #Ultimate.allocInit(4, 6);call write~init~int(79, 6, 0, 1);call write~init~int(102, 6, 1, 1);call write~init~int(102, 6, 2, 1);call write~init~int(0, 6, 3, 1);call #Ultimate.allocInit(7, 7);call write~init~int(44, 7, 0, 1);call write~init~int(80, 7, 1, 1);call write~init~int(117, 7, 2, 1);call write~init~int(109, 7, 3, 1);call write~init~int(112, 7, 4, 1);call write~init~int(58, 7, 5, 1);call write~init~int(0, 7, 6, 1);call #Ultimate.allocInit(3, 8);call write~init~int(79, 8, 0, 1);call write~init~int(110, 8, 1, 1);call write~init~int(0, 8, 2, 1);call #Ultimate.allocInit(4, 9);call write~init~int(79, 9, 0, 1);call write~init~int(102, 9, 1, 1);call write~init~int(102, 9, 2, 1);call write~init~int(0, 9, 3, 1);call #Ultimate.allocInit(3, 10);call write~init~int(41, 10, 0, 1);call write~init~int(32, 10, 1, 1);call write~init~int(0, 10, 2, 1);call #Ultimate.allocInit(2, 11);call write~init~int(10, 11, 0, 1);call write~init~int(0, 11, 1, 1);call #Ultimate.allocInit(30, 12);call #Ultimate.allocInit(9, 13);call #Ultimate.allocInit(21, 14);call #Ultimate.allocInit(30, 15);call #Ultimate.allocInit(9, 16);call #Ultimate.allocInit(21, 17);call #Ultimate.allocInit(30, 18);call #Ultimate.allocInit(9, 19);call #Ultimate.allocInit(25, 20);call #Ultimate.allocInit(30, 21);call #Ultimate.allocInit(9, 22);call #Ultimate.allocInit(25, 23);call #Ultimate.allocInit(13, 24);call #Ultimate.allocInit(7, 25);call write~init~int(44, 25, 0, 1);call write~init~int(77, 25, 1, 1);call write~init~int(101, 25, 2, 1);call write~init~int(116, 25, 3, 1);call write~init~int(104, 25, 4, 1);call write~init~int(58, 25, 5, 1);call write~init~int(0, 25, 6, 1);call #Ultimate.allocInit(5, 26);call write~init~int(67, 26, 0, 1);call write~init~int(82, 26, 1, 1);call write~init~int(73, 26, 2, 1);call write~init~int(84, 26, 3, 1);call write~init~int(0, 26, 4, 1);call #Ultimate.allocInit(3, 27);call write~init~int(79, 27, 0, 1);call write~init~int(75, 27, 1, 1);call write~init~int(0, 27, 2, 1);call #Ultimate.allocInit(2, 28);call write~init~int(41, 28, 0, 1);call write~init~int(0, 28, 1, 1);~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; 3414#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret46#1, main_~retValue_acc~7#1, main_~tmp~10#1;havoc main_~retValue_acc~7#1;havoc main_~tmp~10#1;assume { :begin_inline_select_helpers } true; 3377#L1013 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 3378#L1006 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~13#1;havoc valid_product_~retValue_acc~13#1;valid_product_~retValue_acc~13#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~13#1; 3379#L1021 main_#t~ret46#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~10#1 := main_#t~ret46#1;havoc main_#t~ret46#1; 3448#L847 assume 0 != main_~tmp~10#1;assume { :begin_inline_setup } true; 3372#L821 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet19#1, test_#t~nondet20#1, test_#t~nondet21#1, test_#t~nondet22#1, test_~splverifierCounter~0#1, test_~tmp~6#1, test_~tmp___0~2#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~6#1;havoc test_~tmp___0~2#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 3197#L330-2 
[2022-11-02 20:09:52,423 INFO  L750   eck$LassoCheckResult]: Loop: 3197#L330-2 assume !false; 3198#L331 assume test_~splverifierCounter~0#1 < 4; 3388#L332 test_~tmp~6#1 := test_#t~nondet19#1;havoc test_#t~nondet19#1; 3540#L340 assume !(0 != test_~tmp~6#1); 3324#L340-2 test_~tmp___0~2#1 := test_#t~nondet20#1;havoc test_#t~nondet20#1; 3325#L350 assume !(0 != test_~tmp___0~2#1); 3228#L350-2 test_~tmp___2~0#1 := test_#t~nondet21#1;havoc test_#t~nondet21#1; 3211#L360 assume 0 != test_~tmp___2~0#1; 3213#L366-2 assume { :begin_inline_timeShift } true; 3203#L69 assume !(0 != ~pumpRunning~0); 3204#L69-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret6#1, processEnvironment_~tmp~2#1;havoc processEnvironment_~tmp~2#1; 3195#L153 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__methaneQuery } true;havoc processEnvironment__wrappee__methaneQuery_#t~ret5#1, processEnvironment__wrappee__methaneQuery_~tmp~1#1;havoc processEnvironment__wrappee__methaneQuery_~tmp~1#1; 3196#L127-2 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__highWaterSensor } true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret4#1, processEnvironment__wrappee__highWaterSensor_~tmp~0#1;havoc processEnvironment__wrappee__highWaterSensor_~tmp~0#1; 3431#L101-6 assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret17#1, isHighWaterLevel_~retValue_acc~2#1, isHighWaterLevel_~tmp~4#1, isHighWaterLevel_~tmp___0~0#1;havoc isHighWaterLevel_~retValue_acc~2#1;havoc isHighWaterLevel_~tmp~4#1;havoc isHighWaterLevel_~tmp___0~0#1;assume { :begin_inline_isHighWaterSensorDry } true;havoc isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~10#1;havoc isHighWaterSensorDry_~retValue_acc~10#1; 3242#L971-3 assume !(~waterLevel~0 < 2);isHighWaterSensorDry_~retValue_acc~10#1 := 0;isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~10#1; 3243#L976-3 isHighWaterLevel_#t~ret17#1 := isHighWaterSensorDry_#res#1;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~4#1 := isHighWaterLevel_#t~ret17#1;havoc isHighWaterLevel_#t~ret17#1; 3466#L272-9 assume !(0 != isHighWaterLevel_~tmp~4#1);isHighWaterLevel_~tmp___0~0#1 := 1; 3419#L272-11 isHighWaterLevel_~retValue_acc~2#1 := isHighWaterLevel_~tmp___0~0#1;isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~2#1; 3411#L278-3 processEnvironment__wrappee__highWaterSensor_#t~ret4#1 := isHighWaterLevel_#res#1;assume { :end_inline_isHighWaterLevel } true;processEnvironment__wrappee__highWaterSensor_~tmp~0#1 := processEnvironment__wrappee__highWaterSensor_#t~ret4#1;havoc processEnvironment__wrappee__highWaterSensor_#t~ret4#1; 3412#L105-9 assume !(0 != processEnvironment__wrappee__highWaterSensor_~tmp~0#1);assume { :begin_inline_processEnvironment__wrappee__base } true; 3344#L93-6 assume { :end_inline_processEnvironment__wrappee__base } true; 3177#L101-7 assume { :end_inline_processEnvironment__wrappee__highWaterSensor } true; 3178#L127-3 assume { :end_inline_processEnvironment__wrappee__methaneQuery } true; 3321#L153-1 assume { :end_inline_processEnvironment } true; 3322#L76-1 assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret47#1, __utac_acc__Specification1_spec__1_#t~ret48#1, __utac_acc__Specification1_spec__1_~tmp~11#1, __utac_acc__Specification1_spec__1_~tmp___0~3#1;havoc __utac_acc__Specification1_spec__1_~tmp~11#1;havoc __utac_acc__Specification1_spec__1_~tmp___0~3#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~8#1;havoc isMethaneLevelCritical_~retValue_acc~8#1;isMethaneLevelCritical_~retValue_acc~8#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~8#1; 3356#L931-5 __utac_acc__Specification1_spec__1_#t~ret47#1 := isMethaneLevelCritical_#res#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~11#1 := __utac_acc__Specification1_spec__1_#t~ret47#1;havoc __utac_acc__Specification1_spec__1_#t~ret47#1; 3271#L869 assume !(0 != __utac_acc__Specification1_spec__1_~tmp~11#1); 3256#L869-1 assume { :end_inline___utac_acc__Specification1_spec__1 } true; 3544#L86 assume { :end_inline_timeShift } true; 3197#L330-2 
[2022-11-02 20:09:52,424 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-11-02 20:09:52,424 INFO  L85        PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 4 times
[2022-11-02 20:09:52,424 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-02 20:09:52,425 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1056952793]
[2022-11-02 20:09:52,425 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-02 20:09:52,425 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-02 20:09:52,435 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2022-11-02 20:09:52,436 INFO  L356             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2022-11-02 20:09:52,442 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2022-11-02 20:09:52,446 INFO  L130   FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2022-11-02 20:09:52,447 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-11-02 20:09:52,447 INFO  L85        PathProgramCache]: Analyzing trace with hash 1058466565, now seen corresponding path program 1 times
[2022-11-02 20:09:52,447 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-02 20:09:52,448 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1843250185]
[2022-11-02 20:09:52,448 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-02 20:09:52,448 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-02 20:09:52,455 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 20:09:52,503 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-11-02 20:09:52,503 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-11-02 20:09:52,504 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1843250185]
[2022-11-02 20:09:52,504 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1843250185] provided 1 perfect and 0 imperfect interpolant sequences
[2022-11-02 20:09:52,504 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-11-02 20:09:52,504 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2022-11-02 20:09:52,505 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1924290211]
[2022-11-02 20:09:52,505 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-11-02 20:09:52,505 INFO  L765   eck$LassoCheckResult]: loop already infeasible
[2022-11-02 20:09:52,505 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-11-02 20:09:52,506 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2022-11-02 20:09:52,506 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2022-11-02 20:09:52,506 INFO  L87              Difference]: Start difference. First operand 381 states and 475 transitions. cyclomatic complexity: 97 Second operand  has 5 states, 5 states have (on average 5.8) internal successors, (29), 5 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-02 20:09:52,719 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-11-02 20:09:52,719 INFO  L93              Difference]: Finished difference Result 907 states and 1123 transitions.
[2022-11-02 20:09:52,720 INFO  L82        GeneralOperation]: Start removeNonLiveStates. Operand 907 states and 1123 transitions.
[2022-11-02 20:09:52,725 INFO  L131   ngComponentsAnalysis]: Automaton has 5 accepting balls. 653
[2022-11-02 20:09:52,729 INFO  L88        GeneralOperation]: Finished removeNonLiveStates. Reduced from 907 states to 907 states and 1123 transitions.
[2022-11-02 20:09:52,730 INFO  L87         BuchiClosureNwa]: Accepting states before buchiClosure: 907
[2022-11-02 20:09:52,730 INFO  L106        BuchiClosureNwa]: Accepting states after buchiClosure: 907
[2022-11-02 20:09:52,731 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 907 states and 1123 transitions.
[2022-11-02 20:09:52,732 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2022-11-02 20:09:52,732 INFO  L218   hiAutomatonCegarLoop]: Abstraction has 907 states and 1123 transitions.
[2022-11-02 20:09:52,733 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 907 states and 1123 transitions.
[2022-11-02 20:09:52,739 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 907 to 408.
[2022-11-02 20:09:52,740 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 408 states, 408 states have (on average 1.2303921568627452) internal successors, (502), 407 states have internal predecessors, (502), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-02 20:09:52,741 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 408 states to 408 states and 502 transitions.
[2022-11-02 20:09:52,741 INFO  L240   hiAutomatonCegarLoop]: Abstraction has 408 states and 502 transitions.
[2022-11-02 20:09:52,742 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2022-11-02 20:09:52,743 INFO  L428   stractBuchiCegarLoop]: Abstraction has 408 states and 502 transitions.
[2022-11-02 20:09:52,743 INFO  L335   stractBuchiCegarLoop]: ======== Iteration 5 ============
[2022-11-02 20:09:52,743 INFO  L72            BuchiIsEmpty]: Start buchiIsEmpty. Operand 408 states and 502 transitions.
[2022-11-02 20:09:52,745 INFO  L131   ngComponentsAnalysis]: Automaton has 3 accepting balls. 285
[2022-11-02 20:09:52,745 INFO  L87            BuchiIsEmpty]: Finished buchiIsEmpty Result is false
[2022-11-02 20:09:52,745 INFO  L119           BuchiIsEmpty]: Starting construction of run
[2022-11-02 20:09:52,746 INFO  L148   hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1]
[2022-11-02 20:09:52,746 INFO  L149   hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-11-02 20:09:52,746 INFO  L748   eck$LassoCheckResult]: Stem: 4756#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(13, 4);call #Ultimate.allocInit(3, 5);call write~init~int(79, 5, 0, 1);call write~init~int(110, 5, 1, 1);call write~init~int(0, 5, 2, 1);call #Ultimate.allocInit(4, 6);call write~init~int(79, 6, 0, 1);call write~init~int(102, 6, 1, 1);call write~init~int(102, 6, 2, 1);call write~init~int(0, 6, 3, 1);call #Ultimate.allocInit(7, 7);call write~init~int(44, 7, 0, 1);call write~init~int(80, 7, 1, 1);call write~init~int(117, 7, 2, 1);call write~init~int(109, 7, 3, 1);call write~init~int(112, 7, 4, 1);call write~init~int(58, 7, 5, 1);call write~init~int(0, 7, 6, 1);call #Ultimate.allocInit(3, 8);call write~init~int(79, 8, 0, 1);call write~init~int(110, 8, 1, 1);call write~init~int(0, 8, 2, 1);call #Ultimate.allocInit(4, 9);call write~init~int(79, 9, 0, 1);call write~init~int(102, 9, 1, 1);call write~init~int(102, 9, 2, 1);call write~init~int(0, 9, 3, 1);call #Ultimate.allocInit(3, 10);call write~init~int(41, 10, 0, 1);call write~init~int(32, 10, 1, 1);call write~init~int(0, 10, 2, 1);call #Ultimate.allocInit(2, 11);call write~init~int(10, 11, 0, 1);call write~init~int(0, 11, 1, 1);call #Ultimate.allocInit(30, 12);call #Ultimate.allocInit(9, 13);call #Ultimate.allocInit(21, 14);call #Ultimate.allocInit(30, 15);call #Ultimate.allocInit(9, 16);call #Ultimate.allocInit(21, 17);call #Ultimate.allocInit(30, 18);call #Ultimate.allocInit(9, 19);call #Ultimate.allocInit(25, 20);call #Ultimate.allocInit(30, 21);call #Ultimate.allocInit(9, 22);call #Ultimate.allocInit(25, 23);call #Ultimate.allocInit(13, 24);call #Ultimate.allocInit(7, 25);call write~init~int(44, 25, 0, 1);call write~init~int(77, 25, 1, 1);call write~init~int(101, 25, 2, 1);call write~init~int(116, 25, 3, 1);call write~init~int(104, 25, 4, 1);call write~init~int(58, 25, 5, 1);call write~init~int(0, 25, 6, 1);call #Ultimate.allocInit(5, 26);call write~init~int(67, 26, 0, 1);call write~init~int(82, 26, 1, 1);call write~init~int(73, 26, 2, 1);call write~init~int(84, 26, 3, 1);call write~init~int(0, 26, 4, 1);call #Ultimate.allocInit(3, 27);call write~init~int(79, 27, 0, 1);call write~init~int(75, 27, 1, 1);call write~init~int(0, 27, 2, 1);call #Ultimate.allocInit(2, 28);call write~init~int(41, 28, 0, 1);call write~init~int(0, 28, 1, 1);~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; 4711#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret46#1, main_~retValue_acc~7#1, main_~tmp~10#1;havoc main_~retValue_acc~7#1;havoc main_~tmp~10#1;assume { :begin_inline_select_helpers } true; 4680#L1013 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 4681#L1006 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~13#1;havoc valid_product_~retValue_acc~13#1;valid_product_~retValue_acc~13#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~13#1; 4682#L1021 main_#t~ret46#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~10#1 := main_#t~ret46#1;havoc main_#t~ret46#1; 4741#L847 assume 0 != main_~tmp~10#1;assume { :begin_inline_setup } true; 4673#L821 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet19#1, test_#t~nondet20#1, test_#t~nondet21#1, test_#t~nondet22#1, test_~splverifierCounter~0#1, test_~tmp~6#1, test_~tmp___0~2#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~6#1;havoc test_~tmp___0~2#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 4674#L330-2 
[2022-11-02 20:09:52,746 INFO  L750   eck$LassoCheckResult]: Loop: 4674#L330-2 assume !false; 4863#L331 assume test_~splverifierCounter~0#1 < 4; 4699#L332 test_~tmp~6#1 := test_#t~nondet19#1;havoc test_#t~nondet19#1; 4700#L340 assume !(0 != test_~tmp~6#1); 4626#L340-2 test_~tmp___0~2#1 := test_#t~nondet20#1;havoc test_#t~nondet20#1; 4627#L350 assume !(0 != test_~tmp___0~2#1); 4530#L350-2 test_~tmp___2~0#1 := test_#t~nondet21#1;havoc test_#t~nondet21#1; 4513#L360 assume 0 != test_~tmp___2~0#1; 4515#L366-2 assume { :begin_inline_timeShift } true; 4507#L69 assume !(0 != ~pumpRunning~0); 4508#L69-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret6#1, processEnvironment_~tmp~2#1;havoc processEnvironment_~tmp~2#1; 4497#L153 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__methaneQuery } true;havoc processEnvironment__wrappee__methaneQuery_#t~ret5#1, processEnvironment__wrappee__methaneQuery_~tmp~1#1;havoc processEnvironment__wrappee__methaneQuery_~tmp~1#1; 4498#L127-2 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__highWaterSensor } true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret4#1, processEnvironment__wrappee__highWaterSensor_~tmp~0#1;havoc processEnvironment__wrappee__highWaterSensor_~tmp~0#1; 4724#L101-6 assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret17#1, isHighWaterLevel_~retValue_acc~2#1, isHighWaterLevel_~tmp~4#1, isHighWaterLevel_~tmp___0~0#1;havoc isHighWaterLevel_~retValue_acc~2#1;havoc isHighWaterLevel_~tmp~4#1;havoc isHighWaterLevel_~tmp___0~0#1;assume { :begin_inline_isHighWaterSensorDry } true;havoc isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~10#1;havoc isHighWaterSensorDry_~retValue_acc~10#1; 4547#L971-3 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~10#1 := 1;isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~10#1; 4549#L976-3 isHighWaterLevel_#t~ret17#1 := isHighWaterSensorDry_#res#1;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~4#1 := isHighWaterLevel_#t~ret17#1;havoc isHighWaterLevel_#t~ret17#1; 4744#L272-9 assume 0 != isHighWaterLevel_~tmp~4#1;isHighWaterLevel_~tmp___0~0#1 := 0; 4772#L272-11 isHighWaterLevel_~retValue_acc~2#1 := isHighWaterLevel_~tmp___0~0#1;isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~2#1; 4771#L278-3 processEnvironment__wrappee__highWaterSensor_#t~ret4#1 := isHighWaterLevel_#res#1;assume { :end_inline_isHighWaterLevel } true;processEnvironment__wrappee__highWaterSensor_~tmp~0#1 := processEnvironment__wrappee__highWaterSensor_#t~ret4#1;havoc processEnvironment__wrappee__highWaterSensor_#t~ret4#1; 4770#L105-9 assume !(0 != processEnvironment__wrappee__highWaterSensor_~tmp~0#1);assume { :begin_inline_processEnvironment__wrappee__base } true; 4645#L93-6 assume { :end_inline_processEnvironment__wrappee__base } true; 4646#L101-7 assume { :end_inline_processEnvironment__wrappee__highWaterSensor } true; 4675#L127-3 assume { :end_inline_processEnvironment__wrappee__methaneQuery } true; 4623#L153-1 assume { :end_inline_processEnvironment } true; 4624#L76-1 assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret47#1, __utac_acc__Specification1_spec__1_#t~ret48#1, __utac_acc__Specification1_spec__1_~tmp~11#1, __utac_acc__Specification1_spec__1_~tmp___0~3#1;havoc __utac_acc__Specification1_spec__1_~tmp~11#1;havoc __utac_acc__Specification1_spec__1_~tmp___0~3#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~8#1;havoc isMethaneLevelCritical_~retValue_acc~8#1;isMethaneLevelCritical_~retValue_acc~8#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~8#1; 4658#L931-5 __utac_acc__Specification1_spec__1_#t~ret47#1 := isMethaneLevelCritical_#res#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~11#1 := __utac_acc__Specification1_spec__1_#t~ret47#1;havoc __utac_acc__Specification1_spec__1_#t~ret47#1; 4573#L869 assume !(0 != __utac_acc__Specification1_spec__1_~tmp~11#1); 4558#L869-1 assume { :end_inline___utac_acc__Specification1_spec__1 } true; 4865#L86 assume { :end_inline_timeShift } true; 4674#L330-2 
[2022-11-02 20:09:52,747 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-11-02 20:09:52,747 INFO  L85        PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 5 times
[2022-11-02 20:09:52,747 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-02 20:09:52,747 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [772953057]
[2022-11-02 20:09:52,747 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-02 20:09:52,748 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-02 20:09:52,756 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2022-11-02 20:09:52,756 INFO  L356             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2022-11-02 20:09:52,761 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2022-11-02 20:09:52,765 INFO  L130   FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2022-11-02 20:09:52,765 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-11-02 20:09:52,766 INFO  L85        PathProgramCache]: Analyzing trace with hash -1369831039, now seen corresponding path program 1 times
[2022-11-02 20:09:52,766 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-02 20:09:52,766 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1864763372]
[2022-11-02 20:09:52,766 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-02 20:09:52,766 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-02 20:09:52,771 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2022-11-02 20:09:52,771 INFO  L356             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2022-11-02 20:09:52,775 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2022-11-02 20:09:52,778 INFO  L130   FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2022-11-02 20:09:52,778 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-11-02 20:09:52,778 INFO  L85        PathProgramCache]: Analyzing trace with hash -1495565763, now seen corresponding path program 1 times
[2022-11-02 20:09:52,779 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-02 20:09:52,779 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1042161559]
[2022-11-02 20:09:52,779 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-02 20:09:52,779 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-02 20:09:52,790 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2022-11-02 20:09:52,790 INFO  L356             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2022-11-02 20:09:52,797 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2022-11-02 20:09:52,803 INFO  L130   FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2022-11-02 20:09:56,580 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2022-11-02 20:09:56,581 INFO  L356             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2022-11-02 20:09:56,591 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2022-11-02 20:09:56,637 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 02.11 08:09:56 BoogieIcfgContainer
[2022-11-02 20:09:56,652 INFO  L132        PluginConnector]: ------------------------ END BuchiAutomizer----------------------------
[2022-11-02 20:09:56,653 INFO  L113        PluginConnector]: ------------------------Witness Printer----------------------------
[2022-11-02 20:09:56,653 INFO  L271        PluginConnector]: Initializing Witness Printer...
[2022-11-02 20:09:56,653 INFO  L275        PluginConnector]: Witness Printer initialized
[2022-11-02 20:09:56,654 INFO  L185        PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:09:50" (3/4) ...
[2022-11-02 20:09:56,656 INFO  L134         WitnessPrinter]: Generating witness for non-termination counterexample
[2022-11-02 20:09:56,773 INFO  L141         WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6932ebdf-5301-483c-8a62-3baef43f5413/bin/uautomizer-Dbtcem3rbc/witness.graphml
[2022-11-02 20:09:56,773 INFO  L132        PluginConnector]: ------------------------ END Witness Printer----------------------------
[2022-11-02 20:09:56,774 INFO  L158              Benchmark]: Toolchain (without parser) took 7978.07ms. Allocated memory was 119.5MB in the beginning and 199.2MB in the end (delta: 79.7MB). Free memory was 80.6MB in the beginning and 131.6MB in the end (delta: -51.0MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB.
[2022-11-02 20:09:56,774 INFO  L158              Benchmark]: CDTParser took 0.32ms. Allocated memory is still 119.5MB. Free memory is still 97.6MB. There was no memory consumed. Max. memory is 16.1GB.
[2022-11-02 20:09:56,775 INFO  L158              Benchmark]: CACSL2BoogieTranslator took 663.00ms. Allocated memory is still 119.5MB. Free memory was 80.4MB in the beginning and 87.2MB in the end (delta: -6.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB.
[2022-11-02 20:09:56,775 INFO  L158              Benchmark]: Boogie Procedure Inliner took 94.07ms. Allocated memory is still 119.5MB. Free memory was 87.2MB in the beginning and 82.0MB in the end (delta: 5.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB.
[2022-11-02 20:09:56,776 INFO  L158              Benchmark]: Boogie Preprocessor took 50.88ms. Allocated memory is still 119.5MB. Free memory was 82.0MB in the beginning and 78.3MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB.
[2022-11-02 20:09:56,777 INFO  L158              Benchmark]: RCFGBuilder took 1260.95ms. Allocated memory is still 119.5MB. Free memory was 78.3MB in the beginning and 81.2MB in the end (delta: -2.9MB). Peak memory consumption was 34.6MB. Max. memory is 16.1GB.
[2022-11-02 20:09:56,777 INFO  L158              Benchmark]: BuchiAutomizer took 5780.30ms. Allocated memory was 119.5MB in the beginning and 199.2MB in the end (delta: 79.7MB). Free memory was 81.2MB in the beginning and 134.8MB in the end (delta: -53.6MB). Peak memory consumption was 28.4MB. Max. memory is 16.1GB.
[2022-11-02 20:09:56,778 INFO  L158              Benchmark]: Witness Printer took 120.32ms. Allocated memory is still 199.2MB. Free memory was 134.8MB in the beginning and 131.6MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2022-11-02 20:09:56,781 INFO  L339   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.32ms. Allocated memory is still 119.5MB. Free memory is still 97.6MB. There was no memory consumed. Max. memory is 16.1GB.
 * CACSL2BoogieTranslator took 663.00ms. Allocated memory is still 119.5MB. Free memory was 80.4MB in the beginning and 87.2MB in the end (delta: -6.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB.
 * Boogie Procedure Inliner took 94.07ms. Allocated memory is still 119.5MB. Free memory was 87.2MB in the beginning and 82.0MB in the end (delta: 5.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB.
 * Boogie Preprocessor took 50.88ms. Allocated memory is still 119.5MB. Free memory was 82.0MB in the beginning and 78.3MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB.
 * RCFGBuilder took 1260.95ms. Allocated memory is still 119.5MB. Free memory was 78.3MB in the beginning and 81.2MB in the end (delta: -2.9MB). Peak memory consumption was 34.6MB. Max. memory is 16.1GB.
 * BuchiAutomizer took 5780.30ms. Allocated memory was 119.5MB in the beginning and 199.2MB in the end (delta: 79.7MB). Free memory was 81.2MB in the beginning and 134.8MB in the end (delta: -53.6MB). Peak memory consumption was 28.4MB. Max. memory is 16.1GB.
 * Witness Printer took 120.32ms. Allocated memory is still 199.2MB. Free memory was 134.8MB in the beginning and 131.6MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
  - StatisticsResult: Constructed decomposition of program
    Your program was decomposed into 4 terminating modules (4 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.4 modules have a trivial ranking function, the largest among these consists of 6 locations. The remainder module has 408 locations.
  - StatisticsResult: Timing statistics
    BüchiAutomizer plugin needed 5.6s and 5 iterations.  TraceHistogramMax:1. Analysis of lassos took 4.7s. Construction of modules took 0.3s. Büchi inclusion checks took 0.4s. Highest rank in rank-based complementation 0. Minimization of det autom 4. Minimization of nondet autom 0. Automata minimization 0.1s AutomataMinimizationTime, 4 MinimizatonAttempts, 1461 StatesRemovedByMinimization, 3 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1.	Nontrivial modules had stage [0, 0, 0, 0, 0].	InterpolantCoveringCapabilityFinite: 0/0	InterpolantCoveringCapabilityBuchi: 0/0	HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 3439 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3439 mSDsluCounter, 5273 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3443 mSDsCounter, 109 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 314 IncrementalHoareTripleChecker+Invalid, 423 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 109 mSolverCounterUnsat, 1830 mSDtfsCounter, 314 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown	LassoAnalysisResults: nont1 unkn0 SFLI3 SFLT0 conc1 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0	LassoNonterminationAnalysisSatUnbounded: 0	LassoNonterminationAnalysisUnsat: 0	LassoNonterminationAnalysisUnknown: 0	LassoNonterminationAnalysisTime: 0.0s	InitialAbstractionConstructionTime: 0.0s
  - TerminationAnalysisResult: Nontermination possible
    Buchi Automizer proved that your program is nonterminating for some inputs
  - LassoShapedNonTerminationArgument [Line: 330]: Nontermination argument in form of an infinite program execution.
    Nontermination argument in form of an infinite program execution.
Stem:
[L61]                int pumpRunning  =    0;
[L62]                int systemActive  =    1;
[L565]               static struct __ACC__ERR *head  =    (struct __ACC__ERR *)0;
[L762]               int cleanupTimeShifts  =    4;
[L888]               int waterLevel  =    1;
[L889]               int methaneLevelCritical  =    0;
         VAL         [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1]
[L838]               int retValue_acc ;
[L839]               int tmp ;
[L843]   FCALL       select_helpers()
[L844]   FCALL       select_features()
[L845]   CALL, EXPR  valid_product()
[L1017]              int retValue_acc ;
[L1020]              retValue_acc = 1
[L1021]              return (retValue_acc);
         VAL         [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1]
[L845]   RET, EXPR   valid_product()
[L845]               tmp = valid_product()
[L847]   COND TRUE   \read(tmp)
[L849]   FCALL       setup()
[L850]   CALL        runTest()
[L829]   CALL        test()
[L321]               int splverifierCounter ;
[L322]               int tmp ;
[L323]               int tmp___0 ;
[L324]               int tmp___1 ;
[L325]               int tmp___2 ;
[L328]               splverifierCounter = 0
         VAL         [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1]
Loop:
[L330]  COND TRUE   1
[L332]  COND TRUE   splverifierCounter < 4
[L338]              tmp = __VERIFIER_nondet_int()
[L340]  COND FALSE  !(\read(tmp))
[L348]              tmp___0 = __VERIFIER_nondet_int()
[L350]  COND FALSE  !(\read(tmp___0))
[L358]              tmp___2 = __VERIFIER_nondet_int()
[L360]  COND TRUE   \read(tmp___2)
[L375]  CALL        timeShift()
[L69]   COND FALSE  !(\read(pumpRunning))
[L76]   COND TRUE   \read(systemActive)
[L78]   CALL        processEnvironment()
[L150]              int tmp ;
[L153]  COND FALSE  !(\read(pumpRunning))
[L168]  CALL        processEnvironment__wrappee__methaneQuery()
[L124]              int tmp ;
[L127]  COND FALSE  !(\read(pumpRunning))
[L142]  CALL        processEnvironment__wrappee__highWaterSensor()
[L98]               int tmp ;
[L101]  COND TRUE   ! pumpRunning
[L103]  CALL, EXPR  isHighWaterLevel()
[L264]              int retValue_acc ;
[L265]              int tmp ;
[L266]              int tmp___0 ;
[L270]  CALL, EXPR  isHighWaterSensorDry()
[L968]              int retValue_acc ;
[L971]  COND TRUE   waterLevel < 2
[L972]              retValue_acc = 1
[L973]              return (retValue_acc);
[L270]  RET, EXPR   isHighWaterSensorDry()
[L270]              tmp = isHighWaterSensorDry()
[L272]  COND TRUE   \read(tmp)
[L273]              tmp___0 = 0
[L277]              retValue_acc = tmp___0
[L278]              return (retValue_acc);
[L103]  RET, EXPR   isHighWaterLevel()
[L103]              tmp = isHighWaterLevel()
[L105]  COND FALSE  !(\read(tmp))
[L111]  FCALL       processEnvironment__wrappee__base()
[L142]  RET         processEnvironment__wrappee__highWaterSensor()
[L168]  RET         processEnvironment__wrappee__methaneQuery()
[L78]   RET         processEnvironment()
[L84]   CALL        __utac_acc__Specification1_spec__1()
[L862]              int tmp ;
[L863]              int tmp___0 ;
[L867]  CALL, EXPR  isMethaneLevelCritical()
[L927]              int retValue_acc ;
[L930]              retValue_acc = methaneLevelCritical
[L931]              return (retValue_acc);
[L867]  RET, EXPR   isMethaneLevelCritical()
[L867]              tmp = isMethaneLevelCritical()
[L869]  COND FALSE  !(\read(tmp))
[L84]   RET         __utac_acc__Specification1_spec__1()
[L375]  RET         timeShift()
End of lasso representation.
  - StatisticsResult: NonterminationArgumentStatistics
    Fixpoint
  - NonterminatingLassoResult [Line: 330]: Nonterminating execution
    Found a nonterminating execution for the following lasso shaped sequence of statements.
Stem:
[L61]                int pumpRunning  =    0;
[L62]                int systemActive  =    1;
[L565]               static struct __ACC__ERR *head  =    (struct __ACC__ERR *)0;
[L762]               int cleanupTimeShifts  =    4;
[L888]               int waterLevel  =    1;
[L889]               int methaneLevelCritical  =    0;
         VAL         [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1]
[L838]               int retValue_acc ;
[L839]               int tmp ;
[L843]   FCALL       select_helpers()
[L844]   FCALL       select_features()
[L845]   CALL, EXPR  valid_product()
[L1017]              int retValue_acc ;
[L1020]              retValue_acc = 1
[L1021]              return (retValue_acc);
         VAL         [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1]
[L845]   RET, EXPR   valid_product()
[L845]               tmp = valid_product()
[L847]   COND TRUE   \read(tmp)
[L849]   FCALL       setup()
[L850]   CALL        runTest()
[L829]   CALL        test()
[L321]               int splverifierCounter ;
[L322]               int tmp ;
[L323]               int tmp___0 ;
[L324]               int tmp___1 ;
[L325]               int tmp___2 ;
[L328]               splverifierCounter = 0
         VAL         [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1]
Loop:
[L330]  COND TRUE   1
[L332]  COND TRUE   splverifierCounter < 4
[L338]              tmp = __VERIFIER_nondet_int()
[L340]  COND FALSE  !(\read(tmp))
[L348]              tmp___0 = __VERIFIER_nondet_int()
[L350]  COND FALSE  !(\read(tmp___0))
[L358]              tmp___2 = __VERIFIER_nondet_int()
[L360]  COND TRUE   \read(tmp___2)
[L375]  CALL        timeShift()
[L69]   COND FALSE  !(\read(pumpRunning))
[L76]   COND TRUE   \read(systemActive)
[L78]   CALL        processEnvironment()
[L150]              int tmp ;
[L153]  COND FALSE  !(\read(pumpRunning))
[L168]  CALL        processEnvironment__wrappee__methaneQuery()
[L124]              int tmp ;
[L127]  COND FALSE  !(\read(pumpRunning))
[L142]  CALL        processEnvironment__wrappee__highWaterSensor()
[L98]               int tmp ;
[L101]  COND TRUE   ! pumpRunning
[L103]  CALL, EXPR  isHighWaterLevel()
[L264]              int retValue_acc ;
[L265]              int tmp ;
[L266]              int tmp___0 ;
[L270]  CALL, EXPR  isHighWaterSensorDry()
[L968]              int retValue_acc ;
[L971]  COND TRUE   waterLevel < 2
[L972]              retValue_acc = 1
[L973]              return (retValue_acc);
[L270]  RET, EXPR   isHighWaterSensorDry()
[L270]              tmp = isHighWaterSensorDry()
[L272]  COND TRUE   \read(tmp)
[L273]              tmp___0 = 0
[L277]              retValue_acc = tmp___0
[L278]              return (retValue_acc);
[L103]  RET, EXPR   isHighWaterLevel()
[L103]              tmp = isHighWaterLevel()
[L105]  COND FALSE  !(\read(tmp))
[L111]  FCALL       processEnvironment__wrappee__base()
[L142]  RET         processEnvironment__wrappee__highWaterSensor()
[L168]  RET         processEnvironment__wrappee__methaneQuery()
[L78]   RET         processEnvironment()
[L84]   CALL        __utac_acc__Specification1_spec__1()
[L862]              int tmp ;
[L863]              int tmp___0 ;
[L867]  CALL, EXPR  isMethaneLevelCritical()
[L927]              int retValue_acc ;
[L930]              retValue_acc = methaneLevelCritical
[L931]              return (retValue_acc);
[L867]  RET, EXPR   isMethaneLevelCritical()
[L867]              tmp = isMethaneLevelCritical()
[L869]  COND FALSE  !(\read(tmp))
[L84]   RET         __utac_acc__Specification1_spec__1()
[L375]  RET         timeShift()
End of lasso representation.
RESULT: Ultimate proved your program to be incorrect!
[2022-11-02 20:09:56,869 INFO  L540       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6932ebdf-5301-483c-8a62-3baef43f5413/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0
Received shutdown request...
--- End real Ultimate output ---

Execution finished normally
Writing output log to file Ultimate.log
Writing human readable error path to file UltimateCounterExample.errorpath
Result:
FALSE(TERM)