./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product58.cil.c --full-output --architecture 32bit


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


Checking for termination
Using default analysis
Version 9bd2c7ff
Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72e6d853-27af-4db5-a906-176676383996/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72e6d853-27af-4db5-a906-176676383996/bin/uautomizer-verify-uCwYo4JHxu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72e6d853-27af-4db5-a906-176676383996/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72e6d853-27af-4db5-a906-176676383996/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product58.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72e6d853-27af-4db5-a906-176676383996/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72e6d853-27af-4db5-a906-176676383996/bin/uautomizer-verify-uCwYo4JHxu --witnessprinter.witness.filename witness --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 debcf50bf3bb3961401c62ca4b7217ea7cc93038f750143121614e56b550164d
--- Real Ultimate output ---
This is Ultimate 0.2.3-dev-9bd2c7f
[2023-11-19 07:38:14,337 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2023-11-19 07:38:14,447 INFO  L114        SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72e6d853-27af-4db5-a906-176676383996/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Termination-32bit-Automizer_Default.epf
[2023-11-19 07:38:14,460 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2023-11-19 07:38:14,460 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2023-11-19 07:38:14,511 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2023-11-19 07:38:14,514 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2023-11-19 07:38:14,515 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2023-11-19 07:38:14,517 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2023-11-19 07:38:14,523 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2023-11-19 07:38:14,524 INFO  L153        SettingsManager]:  * Use SBE=true
[2023-11-19 07:38:14,524 INFO  L151        SettingsManager]: Preferences of BuchiAutomizer differ from their defaults:
[2023-11-19 07:38:14,525 INFO  L153        SettingsManager]:  * NCSB implementation=INTSET_LAZY3
[2023-11-19 07:38:14,528 INFO  L153        SettingsManager]:  * Use old map elimination=false
[2023-11-19 07:38:14,528 INFO  L153        SettingsManager]:  * Use external solver (rank synthesis)=false
[2023-11-19 07:38:14,529 INFO  L153        SettingsManager]:  * Use only trivial implications for array writes=true
[2023-11-19 07:38:14,529 INFO  L153        SettingsManager]:  * Rank analysis=LINEAR_WITH_GUESSES
[2023-11-19 07:38:14,531 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2023-11-19 07:38:14,531 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=ASSUME
[2023-11-19 07:38:14,532 INFO  L153        SettingsManager]:  * sizeof long=4
[2023-11-19 07:38:14,532 INFO  L153        SettingsManager]:  * Overapproximate operations on floating types=true
[2023-11-19 07:38:14,533 INFO  L153        SettingsManager]:  * sizeof POINTER=4
[2023-11-19 07:38:14,533 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2023-11-19 07:38:14,534 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=ASSUME
[2023-11-19 07:38:14,534 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=ASSUME
[2023-11-19 07:38:14,535 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=ASSUME
[2023-11-19 07:38:14,535 INFO  L153        SettingsManager]:  * Check unreachability of reach_error function=false
[2023-11-19 07:38:14,536 INFO  L153        SettingsManager]:  * sizeof long double=12
[2023-11-19 07:38:14,536 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2023-11-19 07:38:14,537 INFO  L153        SettingsManager]:  * Assume nondeterminstic values are in range=false
[2023-11-19 07:38:14,538 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2023-11-19 07:38:14,539 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2023-11-19 07:38:14,539 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2023-11-19 07:38:14,539 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2023-11-19 07:38:14,540 INFO  L153        SettingsManager]:  * Trace refinement strategy=CAMEL
[2023-11-19 07:38:14,540 INFO  L151        SettingsManager]: Preferences of IcfgTransformer differ from their defaults:
[2023-11-19 07:38:14,541 INFO  L153        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_72e6d853-27af-4db5-a906-176676383996/bin/uautomizer-verify-uCwYo4JHxu/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_72e6d853-27af-4db5-a906-176676383996/bin/uautomizer-verify-uCwYo4JHxu
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness
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 -> debcf50bf3bb3961401c62ca4b7217ea7cc93038f750143121614e56b550164d
[2023-11-19 07:38:14,859 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2023-11-19 07:38:14,900 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2023-11-19 07:38:14,903 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2023-11-19 07:38:14,906 INFO  L270        PluginConnector]: Initializing CDTParser...
[2023-11-19 07:38:14,907 INFO  L274        PluginConnector]: CDTParser initialized
[2023-11-19 07:38:14,908 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72e6d853-27af-4db5-a906-176676383996/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/product-lines/minepump_spec4_product58.cil.c
[2023-11-19 07:38:18,515 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2023-11-19 07:38:18,899 INFO  L384              CDTParser]: Found 1 translation units.
[2023-11-19 07:38:18,900 INFO  L180              CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72e6d853-27af-4db5-a906-176676383996/sv-benchmarks/c/product-lines/minepump_spec4_product58.cil.c
[2023-11-19 07:38:18,920 INFO  L427              CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72e6d853-27af-4db5-a906-176676383996/bin/uautomizer-verify-uCwYo4JHxu/data/18d877947/ecc00593b65a49f4ade631c719a15220/FLAGb3c3c8f9a
[2023-11-19 07:38:18,938 INFO  L435              CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72e6d853-27af-4db5-a906-176676383996/bin/uautomizer-verify-uCwYo4JHxu/data/18d877947/ecc00593b65a49f4ade631c719a15220
[2023-11-19 07:38:18,941 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2023-11-19 07:38:18,943 INFO  L133        ToolchainWalker]: Walking toolchain with 6 elements.
[2023-11-19 07:38:18,945 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2023-11-19 07:38:18,945 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2023-11-19 07:38:18,953 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2023-11-19 07:38:18,954 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:38:18" (1/1) ...
[2023-11-19 07:38:18,956 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7e52f111 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:38:18, skipping insertion in model container
[2023-11-19 07:38:18,956 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:38:18" (1/1) ...
[2023-11-19 07:38:19,030 INFO  L177         MainTranslator]: Built tables and reachable declarations
[2023-11-19 07:38:19,501 INFO  L209          PostProcessor]: Analyzing one entry point: main
[2023-11-19 07:38:19,519 INFO  L202         MainTranslator]: Completed pre-run
[2023-11-19 07:38:19,533 WARN  L75    lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [49]
[2023-11-19 07:38:19,535 WARN  L75    lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification4_spec.i","") [415]
[2023-11-19 07:38:19,536 WARN  L75    lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [444]
[2023-11-19 07:38:19,536 WARN  L75    lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [453]
[2023-11-19 07:38:19,537 WARN  L75    lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [563]
[2023-11-19 07:38:19,537 WARN  L75    lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [665]
[2023-11-19 07:38:19,537 WARN  L75    lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [700]
[2023-11-19 07:38:19,538 WARN  L75    lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [926]
[2023-11-19 07:38:19,612 INFO  L209          PostProcessor]: Analyzing one entry point: main
[2023-11-19 07:38:19,639 INFO  L206         MainTranslator]: Completed translation
[2023-11-19 07:38:19,640 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:38:19 WrapperNode
[2023-11-19 07:38:19,640 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2023-11-19 07:38:19,648 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2023-11-19 07:38:19,648 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2023-11-19 07:38:19,649 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2023-11-19 07:38:19,656 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:38:19" (1/1) ...
[2023-11-19 07:38:19,675 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:38:19" (1/1) ...
[2023-11-19 07:38:19,734 INFO  L138                Inliner]: procedures = 57, calls = 102, calls flagged for inlining = 55, calls inlined = 99, statements flattened = 678
[2023-11-19 07:38:19,735 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2023-11-19 07:38:19,736 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2023-11-19 07:38:19,736 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2023-11-19 07:38:19,737 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2023-11-19 07:38:19,751 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:38:19" (1/1) ...
[2023-11-19 07:38:19,752 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:38:19" (1/1) ...
[2023-11-19 07:38:19,770 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:38:19" (1/1) ...
[2023-11-19 07:38:19,772 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:38:19" (1/1) ...
[2023-11-19 07:38:19,799 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:38:19" (1/1) ...
[2023-11-19 07:38:19,813 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:38:19" (1/1) ...
[2023-11-19 07:38:19,818 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:38:19" (1/1) ...
[2023-11-19 07:38:19,822 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:38:19" (1/1) ...
[2023-11-19 07:38:19,828 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2023-11-19 07:38:19,829 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2023-11-19 07:38:19,829 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2023-11-19 07:38:19,830 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2023-11-19 07:38:19,831 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:38:19" (1/1) ...
[2023-11-19 07:38:19,846 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2023-11-19 07:38:19,866 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72e6d853-27af-4db5-a906-176676383996/bin/uautomizer-verify-uCwYo4JHxu/z3
[2023-11-19 07:38:19,885 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72e6d853-27af-4db5-a906-176676383996/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2023-11-19 07:38:19,910 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72e6d853-27af-4db5-a906-176676383996/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process
[2023-11-19 07:38:19,941 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2023-11-19 07:38:19,941 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int
[2023-11-19 07:38:19,942 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2023-11-19 07:38:19,942 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2023-11-19 07:38:20,050 INFO  L236             CfgBuilder]: Building ICFG
[2023-11-19 07:38:20,053 INFO  L262             CfgBuilder]: Building CFG for each procedure with an implementation
[2023-11-19 07:38:20,710 INFO  L277             CfgBuilder]: Performing block encoding
[2023-11-19 07:38:20,725 INFO  L297             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2023-11-19 07:38:20,725 INFO  L302             CfgBuilder]: Removed 2 assume(true) statements.
[2023-11-19 07:38:20,732 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:38:20 BoogieIcfgContainer
[2023-11-19 07:38:20,733 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2023-11-19 07:38:20,734 INFO  L112        PluginConnector]: ------------------------BuchiAutomizer----------------------------
[2023-11-19 07:38:20,735 INFO  L270        PluginConnector]: Initializing BuchiAutomizer...
[2023-11-19 07:38:20,744 INFO  L274        PluginConnector]: BuchiAutomizer initialized
[2023-11-19 07:38:20,746 INFO  L99          BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis
[2023-11-19 07:38:20,746 INFO  L184        PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 19.11 07:38:18" (1/3) ...
[2023-11-19 07:38:20,747 INFO  L204        PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5d0c7c7e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.11 07:38:20, skipping insertion in model container
[2023-11-19 07:38:20,747 INFO  L99          BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis
[2023-11-19 07:38:20,747 INFO  L184        PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:38:19" (2/3) ...
[2023-11-19 07:38:20,748 INFO  L204        PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5d0c7c7e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.11 07:38:20, skipping insertion in model container
[2023-11-19 07:38:20,748 INFO  L99          BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis
[2023-11-19 07:38:20,748 INFO  L184        PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:38:20" (3/3) ...
[2023-11-19 07:38:20,750 INFO  L332   chiAutomizerObserver]: Analyzing ICFG minepump_spec4_product58.cil.c
[2023-11-19 07:38:20,817 INFO  L303   stractBuchiCegarLoop]: Interprodecural is true
[2023-11-19 07:38:20,817 INFO  L304   stractBuchiCegarLoop]: Hoare is false
[2023-11-19 07:38:20,817 INFO  L305   stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates
[2023-11-19 07:38:20,817 INFO  L306   stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE
[2023-11-19 07:38:20,817 INFO  L307   stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2023-11-19 07:38:20,818 INFO  L308   stractBuchiCegarLoop]: Difference is false
[2023-11-19 07:38:20,818 INFO  L309   stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA
[2023-11-19 07:38:20,818 INFO  L313   stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ========
[2023-11-19 07:38:20,824 INFO  L72            BuchiIsEmpty]: Start buchiIsEmpty. Operand  has 190 states, 189 states have (on average 1.3544973544973544) internal successors, (256), 189 states have internal predecessors, (256), 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)
[2023-11-19 07:38:20,859 INFO  L131   ngComponentsAnalysis]: Automaton has 2 accepting balls. 123
[2023-11-19 07:38:20,859 INFO  L87            BuchiIsEmpty]: Finished buchiIsEmpty Result is false
[2023-11-19 07:38:20,859 INFO  L119           BuchiIsEmpty]: Starting construction of run
[2023-11-19 07:38:20,868 INFO  L148   hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1]
[2023-11-19 07:38:20,868 INFO  L149   hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-19 07:38:20,868 INFO  L335   stractBuchiCegarLoop]: ======== Iteration 1 ============
[2023-11-19 07:38:20,875 INFO  L72            BuchiIsEmpty]: Start buchiIsEmpty. Operand  has 190 states, 189 states have (on average 1.3544973544973544) internal successors, (256), 189 states have internal predecessors, (256), 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)
[2023-11-19 07:38:20,893 INFO  L131   ngComponentsAnalysis]: Automaton has 2 accepting balls. 123
[2023-11-19 07:38:20,894 INFO  L87            BuchiIsEmpty]: Finished buchiIsEmpty Result is false
[2023-11-19 07:38:20,895 INFO  L119           BuchiIsEmpty]: Starting construction of run
[2023-11-19 07:38:20,897 INFO  L148   hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1]
[2023-11-19 07:38:20,897 INFO  L149   hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-19 07:38:20,903 INFO  L748   eck$LassoCheckResult]: Stem: 43#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true;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(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1; 54#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret34#1, main_~retValue_acc~7#1, main_~tmp~4#1;havoc main_~retValue_acc~7#1;havoc main_~tmp~4#1;assume { :begin_inline_select_helpers } true; 36#select_helpers_returnLabel#1true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 153#select_features_returnLabel#1true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~9#1;havoc valid_product_~retValue_acc~9#1;valid_product_~retValue_acc~9#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~9#1; 126#valid_product_returnLabel#1true main_#t~ret34#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~9#1;assume { :end_inline_valid_product } true;main_~tmp~4#1 := main_#t~ret34#1;havoc main_#t~ret34#1; 185#L652true assume 0 != main_~tmp~4#1;assume { :begin_inline_setup } true; 106#setup_returnLabel#1true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet50#1, test_#t~nondet51#1, test_#t~nondet52#1, test_#t~nondet53#1, test_~splverifierCounter~0#1, test_~tmp~10#1, test_~tmp___0~3#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~10#1;havoc test_~tmp___0~3#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 147#L937-2true 
[2023-11-19 07:38:20,907 INFO  L750   eck$LassoCheckResult]: Loop: 147#L937-2true assume !false; 162#L938true assume test_~splverifierCounter~0#1 < 4; 191#L939true havoc test_#t~nondet50#1;test_~tmp~10#1 := test_#t~nondet50#1;havoc test_#t~nondet50#1; 70#L947true assume !(0 != test_~tmp~10#1); 141#L947-2true havoc test_#t~nondet51#1;test_~tmp___0~3#1 := test_#t~nondet51#1;havoc test_#t~nondet51#1; 90#L957true assume !(0 != test_~tmp___0~3#1); 32#L957-2true havoc test_#t~nondet52#1;test_~tmp___2~0#1 := test_#t~nondet52#1;havoc test_#t~nondet52#1; 82#L967true assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 72#startSystem_returnLabel#1true assume { :end_inline_startSystem } true; 28#L975-2true assume { :begin_inline_timeShift } true; 58#L711true assume !(0 != ~pumpRunning~0); 95#L711-2true assume !(0 != ~systemActive~0); 188#L718-1true assume { :begin_inline___utac_acc__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret27#1, __utac_acc__Specification4_spec__1_#t~ret28#1, __utac_acc__Specification4_spec__1_~tmp~3#1, __utac_acc__Specification4_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification4_spec__1_~tmp~3#1;havoc __utac_acc__Specification4_spec__1_~tmp___0~0#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~4#1;havoc getWaterLevel_~retValue_acc~4#1;getWaterLevel_~retValue_acc~4#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~4#1; 85#getWaterLevel_returnLabel#1true __utac_acc__Specification4_spec__1_#t~ret27#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~4#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification4_spec__1_~tmp~3#1 := __utac_acc__Specification4_spec__1_#t~ret27#1;havoc __utac_acc__Specification4_spec__1_#t~ret27#1; 124#L427true assume !(0 == __utac_acc__Specification4_spec__1_~tmp~3#1); 93#L427-1true havoc __utac_acc__Specification4_spec__1_#t~ret27#1, __utac_acc__Specification4_spec__1_#t~ret28#1, __utac_acc__Specification4_spec__1_~tmp~3#1, __utac_acc__Specification4_spec__1_~tmp___0~0#1;assume { :end_inline___utac_acc__Specification4_spec__1 } true; 86#timeShift_returnLabel#1true assume { :end_inline_timeShift } true; 147#L937-2true 
[2023-11-19 07:38:20,913 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:38:20,913 INFO  L85        PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 1 times
[2023-11-19 07:38:20,924 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 07:38:20,925 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2039135337]
[2023-11-19 07:38:20,926 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:38:20,926 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 07:38:21,037 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2023-11-19 07:38:21,038 INFO  L356             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2023-11-19 07:38:21,058 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2023-11-19 07:38:21,086 INFO  L130   FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2023-11-19 07:38:21,089 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:38:21,090 INFO  L85        PathProgramCache]: Analyzing trace with hash -426058205, now seen corresponding path program 1 times
[2023-11-19 07:38:21,090 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 07:38:21,091 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2046462977]
[2023-11-19 07:38:21,091 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:38:21,091 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 07:38:21,121 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:38:21,264 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-19 07:38:21,264 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 07:38:21,264 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2046462977]
[2023-11-19 07:38:21,265 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2046462977] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 07:38:21,265 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 07:38:21,266 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2023-11-19 07:38:21,266 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1330620707]
[2023-11-19 07:38:21,269 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 07:38:21,273 INFO  L765   eck$LassoCheckResult]: loop already infeasible
[2023-11-19 07:38:21,273 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 07:38:21,313 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2023-11-19 07:38:21,314 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-11-19 07:38:21,318 INFO  L87              Difference]: Start difference. First operand  has 190 states, 189 states have (on average 1.3544973544973544) internal successors, (256), 189 states have internal predecessors, (256), 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 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 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)
[2023-11-19 07:38:21,378 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-19 07:38:21,378 INFO  L93              Difference]: Finished difference Result 184 states and 240 transitions.
[2023-11-19 07:38:21,380 INFO  L82        GeneralOperation]: Start removeNonLiveStates. Operand 184 states and 240 transitions.
[2023-11-19 07:38:21,402 INFO  L131   ngComponentsAnalysis]: Automaton has 2 accepting balls. 117
[2023-11-19 07:38:21,410 INFO  L88        GeneralOperation]: Finished removeNonLiveStates. Reduced from 184 states to 174 states and 229 transitions.
[2023-11-19 07:38:21,411 INFO  L87         BuchiClosureNwa]: Accepting states before buchiClosure: 174
[2023-11-19 07:38:21,413 INFO  L106        BuchiClosureNwa]: Accepting states after buchiClosure: 174
[2023-11-19 07:38:21,414 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 174 states and 229 transitions.
[2023-11-19 07:38:21,415 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2023-11-19 07:38:21,416 INFO  L218   hiAutomatonCegarLoop]: Abstraction has 174 states and 229 transitions.
[2023-11-19 07:38:21,434 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 174 states and 229 transitions.
[2023-11-19 07:38:21,454 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 174 to 174.
[2023-11-19 07:38:21,457 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 174 states, 174 states have (on average 1.3160919540229885) internal successors, (229), 173 states have internal predecessors, (229), 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)
[2023-11-19 07:38:21,459 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 174 states and 229 transitions.
[2023-11-19 07:38:21,468 INFO  L240   hiAutomatonCegarLoop]: Abstraction has 174 states and 229 transitions.
[2023-11-19 07:38:21,471 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2023-11-19 07:38:21,476 INFO  L428   stractBuchiCegarLoop]: Abstraction has 174 states and 229 transitions.
[2023-11-19 07:38:21,476 INFO  L335   stractBuchiCegarLoop]: ======== Iteration 2 ============
[2023-11-19 07:38:21,476 INFO  L72            BuchiIsEmpty]: Start buchiIsEmpty. Operand 174 states and 229 transitions.
[2023-11-19 07:38:21,486 INFO  L131   ngComponentsAnalysis]: Automaton has 2 accepting balls. 117
[2023-11-19 07:38:21,487 INFO  L87            BuchiIsEmpty]: Finished buchiIsEmpty Result is false
[2023-11-19 07:38:21,487 INFO  L119           BuchiIsEmpty]: Starting construction of run
[2023-11-19 07:38:21,488 INFO  L148   hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1]
[2023-11-19 07:38:21,488 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]
[2023-11-19 07:38:21,489 INFO  L748   eck$LassoCheckResult]: Stem: 454#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;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(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1; 455#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret34#1, main_~retValue_acc~7#1, main_~tmp~4#1;havoc main_~retValue_acc~7#1;havoc main_~tmp~4#1;assume { :begin_inline_select_helpers } true; 444#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 445#select_features_returnLabel#1 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~9#1;havoc valid_product_~retValue_acc~9#1;valid_product_~retValue_acc~9#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~9#1; 542#valid_product_returnLabel#1 main_#t~ret34#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~9#1;assume { :end_inline_valid_product } true;main_~tmp~4#1 := main_#t~ret34#1;havoc main_#t~ret34#1; 543#L652 assume 0 != main_~tmp~4#1;assume { :begin_inline_setup } true; 523#setup_returnLabel#1 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet50#1, test_#t~nondet51#1, test_#t~nondet52#1, test_#t~nondet53#1, test_~splverifierCounter~0#1, test_~tmp~10#1, test_~tmp___0~3#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~10#1;havoc test_~tmp___0~3#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 510#L937-2 
[2023-11-19 07:38:21,489 INFO  L750   eck$LassoCheckResult]: Loop: 510#L937-2 assume !false; 546#L938 assume test_~splverifierCounter~0#1 < 4; 549#L939 havoc test_#t~nondet50#1;test_~tmp~10#1 := test_#t~nondet50#1;havoc test_#t~nondet50#1; 490#L947 assume !(0 != test_~tmp~10#1); 458#L947-2 havoc test_#t~nondet51#1;test_~tmp___0~3#1 := test_#t~nondet51#1;havoc test_#t~nondet51#1; 514#L957 assume !(0 != test_~tmp___0~3#1); 437#L957-2 havoc test_#t~nondet52#1;test_~tmp___2~0#1 := test_#t~nondet52#1;havoc test_#t~nondet52#1; 438#L967 assume !(0 != test_~tmp___2~0#1);havoc test_#t~nondet53#1;test_~tmp___1~0#1 := test_#t~nondet53#1;havoc test_#t~nondet53#1; 504#L975 assume 0 != test_~tmp___1~0#1; 429#L975-2 assume { :begin_inline_timeShift } true; 430#L711 assume !(0 != ~pumpRunning~0); 474#L711-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret37#1, processEnvironment_~tmp~6#1;havoc processEnvironment_~tmp~6#1; 484#L769 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__highWaterSensor } true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret36#1, processEnvironment__wrappee__highWaterSensor_~tmp~5#1;havoc processEnvironment__wrappee__highWaterSensor_~tmp~5#1; 485#L743-2 assume !(0 == ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 383#processEnvironment__wrappee__base_returnLabel#4 assume { :end_inline_processEnvironment__wrappee__base } true; 384#L743-3 havoc processEnvironment__wrappee__highWaterSensor_#t~ret36#1, processEnvironment__wrappee__highWaterSensor_~tmp~5#1;assume { :end_inline_processEnvironment__wrappee__highWaterSensor } true; 389#L769-1 havoc processEnvironment_#t~ret37#1, processEnvironment_~tmp~6#1;assume { :end_inline_processEnvironment } true; 494#L718-1 assume { :begin_inline___utac_acc__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret27#1, __utac_acc__Specification4_spec__1_#t~ret28#1, __utac_acc__Specification4_spec__1_~tmp~3#1, __utac_acc__Specification4_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification4_spec__1_~tmp~3#1;havoc __utac_acc__Specification4_spec__1_~tmp___0~0#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~4#1;havoc getWaterLevel_~retValue_acc~4#1;getWaterLevel_~retValue_acc~4#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~4#1; 507#getWaterLevel_returnLabel#1 __utac_acc__Specification4_spec__1_#t~ret27#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~4#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification4_spec__1_~tmp~3#1 := __utac_acc__Specification4_spec__1_#t~ret27#1;havoc __utac_acc__Specification4_spec__1_#t~ret27#1; 508#L427 assume !(0 == __utac_acc__Specification4_spec__1_~tmp~3#1); 515#L427-1 havoc __utac_acc__Specification4_spec__1_#t~ret27#1, __utac_acc__Specification4_spec__1_#t~ret28#1, __utac_acc__Specification4_spec__1_~tmp~3#1, __utac_acc__Specification4_spec__1_~tmp___0~0#1;assume { :end_inline___utac_acc__Specification4_spec__1 } true; 509#timeShift_returnLabel#1 assume { :end_inline_timeShift } true; 510#L937-2 
[2023-11-19 07:38:21,490 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:38:21,490 INFO  L85        PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 2 times
[2023-11-19 07:38:21,490 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 07:38:21,491 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1343352134]
[2023-11-19 07:38:21,491 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:38:21,491 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 07:38:21,525 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2023-11-19 07:38:21,526 INFO  L356             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2023-11-19 07:38:21,553 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2023-11-19 07:38:21,569 INFO  L130   FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2023-11-19 07:38:21,570 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:38:21,570 INFO  L85        PathProgramCache]: Analyzing trace with hash -1680074923, now seen corresponding path program 1 times
[2023-11-19 07:38:21,570 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 07:38:21,571 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [286787334]
[2023-11-19 07:38:21,571 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:38:21,571 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 07:38:21,592 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:38:21,643 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-19 07:38:21,643 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 07:38:21,643 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [286787334]
[2023-11-19 07:38:21,644 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [286787334] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 07:38:21,644 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 07:38:21,644 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2023-11-19 07:38:21,644 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [628726000]
[2023-11-19 07:38:21,645 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 07:38:21,645 INFO  L765   eck$LassoCheckResult]: loop already infeasible
[2023-11-19 07:38:21,645 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 07:38:21,646 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2023-11-19 07:38:21,646 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-11-19 07:38:21,647 INFO  L87              Difference]: Start difference. First operand 174 states and 229 transitions. cyclomatic complexity: 57 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)
[2023-11-19 07:38:21,770 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-19 07:38:21,770 INFO  L93              Difference]: Finished difference Result 236 states and 298 transitions.
[2023-11-19 07:38:21,770 INFO  L82        GeneralOperation]: Start removeNonLiveStates. Operand 236 states and 298 transitions.
[2023-11-19 07:38:21,775 INFO  L131   ngComponentsAnalysis]: Automaton has 2 accepting balls. 164
[2023-11-19 07:38:21,779 INFO  L88        GeneralOperation]: Finished removeNonLiveStates. Reduced from 236 states to 236 states and 298 transitions.
[2023-11-19 07:38:21,779 INFO  L87         BuchiClosureNwa]: Accepting states before buchiClosure: 236
[2023-11-19 07:38:21,780 INFO  L106        BuchiClosureNwa]: Accepting states after buchiClosure: 236
[2023-11-19 07:38:21,781 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 236 states and 298 transitions.
[2023-11-19 07:38:21,783 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2023-11-19 07:38:21,783 INFO  L218   hiAutomatonCegarLoop]: Abstraction has 236 states and 298 transitions.
[2023-11-19 07:38:21,785 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 236 states and 298 transitions.
[2023-11-19 07:38:21,800 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 236 to 236.
[2023-11-19 07:38:21,801 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 236 states, 236 states have (on average 1.2627118644067796) internal successors, (298), 235 states have internal predecessors, (298), 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)
[2023-11-19 07:38:21,804 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 236 states and 298 transitions.
[2023-11-19 07:38:21,804 INFO  L240   hiAutomatonCegarLoop]: Abstraction has 236 states and 298 transitions.
[2023-11-19 07:38:21,805 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2023-11-19 07:38:21,806 INFO  L428   stractBuchiCegarLoop]: Abstraction has 236 states and 298 transitions.
[2023-11-19 07:38:21,806 INFO  L335   stractBuchiCegarLoop]: ======== Iteration 3 ============
[2023-11-19 07:38:21,807 INFO  L72            BuchiIsEmpty]: Start buchiIsEmpty. Operand 236 states and 298 transitions.
[2023-11-19 07:38:21,810 INFO  L131   ngComponentsAnalysis]: Automaton has 2 accepting balls. 164
[2023-11-19 07:38:21,810 INFO  L87            BuchiIsEmpty]: Finished buchiIsEmpty Result is false
[2023-11-19 07:38:21,810 INFO  L119           BuchiIsEmpty]: Starting construction of run
[2023-11-19 07:38:21,811 INFO  L148   hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1]
[2023-11-19 07:38:21,812 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]
[2023-11-19 07:38:21,812 INFO  L748   eck$LassoCheckResult]: Stem: 866#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;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(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1; 867#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret34#1, main_~retValue_acc~7#1, main_~tmp~4#1;havoc main_~retValue_acc~7#1;havoc main_~tmp~4#1;assume { :begin_inline_select_helpers } true; 856#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 857#select_features_returnLabel#1 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~9#1;havoc valid_product_~retValue_acc~9#1;valid_product_~retValue_acc~9#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~9#1; 960#valid_product_returnLabel#1 main_#t~ret34#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~9#1;assume { :end_inline_valid_product } true;main_~tmp~4#1 := main_#t~ret34#1;havoc main_#t~ret34#1; 961#L652 assume 0 != main_~tmp~4#1;assume { :begin_inline_setup } true; 937#setup_returnLabel#1 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet50#1, test_#t~nondet51#1, test_#t~nondet52#1, test_#t~nondet53#1, test_~splverifierCounter~0#1, test_~tmp~10#1, test_~tmp___0~3#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~10#1;havoc test_~tmp___0~3#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 926#L937-2 
[2023-11-19 07:38:21,813 INFO  L750   eck$LassoCheckResult]: Loop: 926#L937-2 assume !false; 968#L938 assume test_~splverifierCounter~0#1 < 4; 973#L939 havoc test_#t~nondet50#1;test_~tmp~10#1 := test_#t~nondet50#1;havoc test_#t~nondet50#1; 904#L947 assume !(0 != test_~tmp~10#1); 872#L947-2 havoc test_#t~nondet51#1;test_~tmp___0~3#1 := test_#t~nondet51#1;havoc test_#t~nondet51#1; 930#L957 assume !(0 != test_~tmp___0~3#1); 849#L957-2 havoc test_#t~nondet52#1;test_~tmp___2~0#1 := test_#t~nondet52#1;havoc test_#t~nondet52#1; 850#L967 assume !(0 != test_~tmp___2~0#1);havoc test_#t~nondet53#1;test_~tmp___1~0#1 := test_#t~nondet53#1;havoc test_#t~nondet53#1; 918#L975 assume 0 != test_~tmp___1~0#1; 843#L975-2 assume { :begin_inline_timeShift } true; 844#L711 assume !(0 != ~pumpRunning~0); 889#L711-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret37#1, processEnvironment_~tmp~6#1;havoc processEnvironment_~tmp~6#1; 899#L769 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__highWaterSensor } true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret36#1, processEnvironment__wrappee__highWaterSensor_~tmp~5#1;havoc processEnvironment__wrappee__highWaterSensor_~tmp~5#1; 900#L743-2 assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret48#1, isHighWaterLevel_~retValue_acc~12#1, isHighWaterLevel_~tmp~8#1, isHighWaterLevel_~tmp___0~1#1;havoc isHighWaterLevel_~retValue_acc~12#1;havoc isHighWaterLevel_~tmp~8#1;havoc isHighWaterLevel_~tmp___0~1#1;assume { :begin_inline_isHighWaterSensorDry } true;havoc isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~5#1;havoc isHighWaterSensorDry_~retValue_acc~5#1; 936#L544-1 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~5#1 := 1;isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~5#1; 883#isHighWaterSensorDry_returnLabel#2 isHighWaterLevel_#t~ret48#1 := isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~5#1;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~8#1 := isHighWaterLevel_#t~ret48#1;havoc isHighWaterLevel_#t~ret48#1; 884#L889-3 assume 0 != isHighWaterLevel_~tmp~8#1;isHighWaterLevel_~tmp___0~1#1 := 0; 799#L889-5 isHighWaterLevel_~retValue_acc~12#1 := isHighWaterLevel_~tmp___0~1#1;isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~12#1; 800#isHighWaterLevel_returnLabel#2 processEnvironment__wrappee__highWaterSensor_#t~ret36#1 := isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret48#1, isHighWaterLevel_~retValue_acc~12#1, isHighWaterLevel_~tmp~8#1, isHighWaterLevel_~tmp___0~1#1;assume { :end_inline_isHighWaterLevel } true;processEnvironment__wrappee__highWaterSensor_~tmp~5#1 := processEnvironment__wrappee__highWaterSensor_#t~ret36#1;havoc processEnvironment__wrappee__highWaterSensor_#t~ret36#1; 950#L747-3 assume !(0 != processEnvironment__wrappee__highWaterSensor_~tmp~5#1);assume { :begin_inline_processEnvironment__wrappee__base } true; 876#processEnvironment__wrappee__base_returnLabel#3 assume { :end_inline_processEnvironment__wrappee__base } true; 805#L743-3 havoc processEnvironment__wrappee__highWaterSensor_#t~ret36#1, processEnvironment__wrappee__highWaterSensor_~tmp~5#1;assume { :end_inline_processEnvironment__wrappee__highWaterSensor } true; 806#L769-1 havoc processEnvironment_#t~ret37#1, processEnvironment_~tmp~6#1;assume { :end_inline_processEnvironment } true; 908#L718-1 assume { :begin_inline___utac_acc__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret27#1, __utac_acc__Specification4_spec__1_#t~ret28#1, __utac_acc__Specification4_spec__1_~tmp~3#1, __utac_acc__Specification4_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification4_spec__1_~tmp~3#1;havoc __utac_acc__Specification4_spec__1_~tmp___0~0#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~4#1;havoc getWaterLevel_~retValue_acc~4#1;getWaterLevel_~retValue_acc~4#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~4#1; 923#getWaterLevel_returnLabel#1 __utac_acc__Specification4_spec__1_#t~ret27#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~4#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification4_spec__1_~tmp~3#1 := __utac_acc__Specification4_spec__1_#t~ret27#1;havoc __utac_acc__Specification4_spec__1_#t~ret27#1; 924#L427 assume !(0 == __utac_acc__Specification4_spec__1_~tmp~3#1); 931#L427-1 havoc __utac_acc__Specification4_spec__1_#t~ret27#1, __utac_acc__Specification4_spec__1_#t~ret28#1, __utac_acc__Specification4_spec__1_~tmp~3#1, __utac_acc__Specification4_spec__1_~tmp___0~0#1;assume { :end_inline___utac_acc__Specification4_spec__1 } true; 925#timeShift_returnLabel#1 assume { :end_inline_timeShift } true; 926#L937-2 
[2023-11-19 07:38:21,813 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:38:21,816 INFO  L85        PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 3 times
[2023-11-19 07:38:21,817 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 07:38:21,817 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [574580538]
[2023-11-19 07:38:21,819 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:38:21,820 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 07:38:21,894 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2023-11-19 07:38:21,894 INFO  L356             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2023-11-19 07:38:21,904 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2023-11-19 07:38:21,914 INFO  L130   FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2023-11-19 07:38:21,917 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:38:21,918 INFO  L85        PathProgramCache]: Analyzing trace with hash -44817907, now seen corresponding path program 1 times
[2023-11-19 07:38:21,919 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 07:38:21,921 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1767652584]
[2023-11-19 07:38:21,921 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:38:21,921 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 07:38:21,938 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2023-11-19 07:38:21,938 INFO  L356             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2023-11-19 07:38:21,963 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2023-11-19 07:38:21,973 INFO  L130   FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2023-11-19 07:38:21,974 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:38:21,974 INFO  L85        PathProgramCache]: Analyzing trace with hash -1295799855, now seen corresponding path program 1 times
[2023-11-19 07:38:21,974 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 07:38:21,976 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [117476580]
[2023-11-19 07:38:21,976 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:38:21,976 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 07:38:22,018 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2023-11-19 07:38:22,018 INFO  L356             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2023-11-19 07:38:22,042 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2023-11-19 07:38:22,056 INFO  L130   FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2023-11-19 07:38:23,562 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2023-11-19 07:38:23,562 INFO  L356             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2023-11-19 07:38:23,572 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2023-11-19 07:38:23,650 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 19.11 07:38:23 BoogieIcfgContainer
[2023-11-19 07:38:23,650 INFO  L131        PluginConnector]: ------------------------ END BuchiAutomizer----------------------------
[2023-11-19 07:38:23,651 INFO  L112        PluginConnector]: ------------------------Witness Printer----------------------------
[2023-11-19 07:38:23,651 INFO  L270        PluginConnector]: Initializing Witness Printer...
[2023-11-19 07:38:23,651 INFO  L274        PluginConnector]: Witness Printer initialized
[2023-11-19 07:38:23,652 INFO  L184        PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:38:20" (3/4) ...
[2023-11-19 07:38:23,653 INFO  L134         WitnessPrinter]: Generating witness for non-termination counterexample
[2023-11-19 07:38:23,733 INFO  L149         WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72e6d853-27af-4db5-a906-176676383996/bin/uautomizer-verify-uCwYo4JHxu/witness.graphml
[2023-11-19 07:38:23,733 INFO  L131        PluginConnector]: ------------------------ END Witness Printer----------------------------
[2023-11-19 07:38:23,734 INFO  L158              Benchmark]: Toolchain (without parser) took 4790.73ms. Allocated memory was 155.2MB in the beginning and 192.9MB in the end (delta: 37.7MB). Free memory was 111.9MB in the beginning and 76.6MB in the end (delta: 35.3MB). Peak memory consumption was 76.2MB. Max. memory is 16.1GB.
[2023-11-19 07:38:23,734 INFO  L158              Benchmark]: CDTParser took 0.87ms. Allocated memory is still 102.8MB. Free memory is still 53.9MB. There was no memory consumed. Max. memory is 16.1GB.
[2023-11-19 07:38:23,735 INFO  L158              Benchmark]: CACSL2BoogieTranslator took 702.02ms. Allocated memory is still 155.2MB. Free memory was 111.6MB in the beginning and 92.6MB in the end (delta: 19.0MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB.
[2023-11-19 07:38:23,735 INFO  L158              Benchmark]: Boogie Procedure Inliner took 87.46ms. Allocated memory is still 155.2MB. Free memory was 92.6MB in the beginning and 88.9MB in the end (delta: 3.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2023-11-19 07:38:23,736 INFO  L158              Benchmark]: Boogie Preprocessor took 91.97ms. Allocated memory is still 155.2MB. Free memory was 88.9MB in the beginning and 86.4MB in the end (delta: 2.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB.
[2023-11-19 07:38:23,737 INFO  L158              Benchmark]: RCFGBuilder took 903.99ms. Allocated memory is still 155.2MB. Free memory was 86.4MB in the beginning and 107.9MB in the end (delta: -21.5MB). Peak memory consumption was 16.9MB. Max. memory is 16.1GB.
[2023-11-19 07:38:23,737 INFO  L158              Benchmark]: BuchiAutomizer took 2916.08ms. Allocated memory was 155.2MB in the beginning and 192.9MB in the end (delta: 37.7MB). Free memory was 107.9MB in the beginning and 79.8MB in the end (delta: 28.1MB). Peak memory consumption was 65.6MB. Max. memory is 16.1GB.
[2023-11-19 07:38:23,738 INFO  L158              Benchmark]: Witness Printer took 82.14ms. Allocated memory is still 192.9MB. Free memory was 79.8MB in the beginning and 76.6MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB.
[2023-11-19 07:38:23,740 INFO  L338   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.87ms. Allocated memory is still 102.8MB. Free memory is still 53.9MB. There was no memory consumed. Max. memory is 16.1GB.
 * CACSL2BoogieTranslator took 702.02ms. Allocated memory is still 155.2MB. Free memory was 111.6MB in the beginning and 92.6MB in the end (delta: 19.0MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB.
 * Boogie Procedure Inliner took 87.46ms. Allocated memory is still 155.2MB. Free memory was 92.6MB in the beginning and 88.9MB in the end (delta: 3.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
 * Boogie Preprocessor took 91.97ms. Allocated memory is still 155.2MB. Free memory was 88.9MB in the beginning and 86.4MB in the end (delta: 2.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB.
 * RCFGBuilder took 903.99ms. Allocated memory is still 155.2MB. Free memory was 86.4MB in the beginning and 107.9MB in the end (delta: -21.5MB). Peak memory consumption was 16.9MB. Max. memory is 16.1GB.
 * BuchiAutomizer took 2916.08ms. Allocated memory was 155.2MB in the beginning and 192.9MB in the end (delta: 37.7MB). Free memory was 107.9MB in the beginning and 79.8MB in the end (delta: 28.1MB). Peak memory consumption was 65.6MB. Max. memory is 16.1GB.
 * Witness Printer took 82.14ms. Allocated memory is still 192.9MB. Free memory was 79.8MB in the beginning and 76.6MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB.
 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator:
  - GenericResultAtLocation [Line: 49]: Unsoundness Warning
    Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [49]
  - GenericResultAtLocation [Line: 415]: Unsoundness Warning
    Ignoring preprocessor pragma C: #pragma merger(0,"Specification4_spec.i","") [415]
  - GenericResultAtLocation [Line: 444]: Unsoundness Warning
    Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [444]
  - GenericResultAtLocation [Line: 453]: Unsoundness Warning
    Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [453]
  - GenericResultAtLocation [Line: 563]: Unsoundness Warning
    Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [563]
  - GenericResultAtLocation [Line: 665]: Unsoundness Warning
    Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [665]
  - GenericResultAtLocation [Line: 700]: Unsoundness Warning
    Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [700]
  - GenericResultAtLocation [Line: 926]: Unsoundness Warning
    Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [926]
 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
  - StatisticsResult: Constructed decomposition of program
    Your program was decomposed into 2 terminating modules (2 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.2 modules have a trivial ranking function, the largest among these consists of 3 locations. The remainder module has 236 locations.
  - StatisticsResult: Timing statistics
    BüchiAutomizer plugin needed 2.7s and 3 iterations.  TraceHistogramMax:1. Analysis of lassos took 2.3s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 0. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 0.1s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 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, 397 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 397 mSDsluCounter, 553 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 102 mSDsCounter, 23 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 33 IncrementalHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 23 mSolverCounterUnsat, 451 mSDtfsCounter, 33 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown	LassoAnalysisResults: nont1 unkn0 SFLI2 SFLT0 conc0 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: 937]: Nontermination argument in form of an infinite program execution.
    Nontermination argument in form of an infinite program execution.
Stem:
[L219]              static struct __ACC__ERR *head  =    (struct __ACC__ERR *)0;
[L461]              int waterLevel  =    1;
[L462]              int methaneLevelCritical  =    0;
[L564]              int cleanupTimeShifts  =    4;
[L704]              int pumpRunning  =    0;
[L705]              int systemActive  =    1;
        VAL         [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1]
[L643]              int retValue_acc ;
[L644]              int tmp ;
[L648]  FCALL       select_helpers()
[L649]  FCALL       select_features()
[L650]  CALL, EXPR  valid_product()
[L692]              int retValue_acc ;
[L695]              retValue_acc = 1
[L696]              return (retValue_acc);
        VAL         [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1]
[L650]  RET, EXPR   valid_product()
[L650]              tmp = valid_product()
[L652]  COND TRUE   \read(tmp)
[L654]  FCALL       setup()
[L655]  CALL        runTest()
[L634]  CALL        test()
[L928]              int splverifierCounter ;
[L929]              int tmp ;
[L930]              int tmp___0 ;
[L931]              int tmp___1 ;
[L932]              int tmp___2 ;
[L935]              splverifierCounter = 0
        VAL         [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1]
Loop:
[L937]  COND TRUE   1
[L939]  COND TRUE   splverifierCounter < 4
[L945]              tmp = __VERIFIER_nondet_int()
[L947]  COND FALSE  !(\read(tmp))
[L955]              tmp___0 = __VERIFIER_nondet_int()
[L957]  COND FALSE  !(\read(tmp___0))
[L965]              tmp___2 = __VERIFIER_nondet_int()
[L967]  COND FALSE  !(\read(tmp___2))
[L973]              tmp___1 = __VERIFIER_nondet_int()
[L975]  COND TRUE   \read(tmp___1)
[L982]  CALL        timeShift()
[L711]  COND FALSE  !(\read(pumpRunning))
[L718]  COND TRUE   \read(systemActive)
[L720]  CALL        processEnvironment()
[L766]              int tmp ;
[L769]  COND FALSE  !(\read(pumpRunning))
[L784]  CALL        processEnvironment__wrappee__highWaterSensor()
[L740]              int tmp ;
[L743]  COND TRUE   ! pumpRunning
[L745]  CALL, EXPR  isHighWaterLevel()
[L881]              int retValue_acc ;
[L882]              int tmp ;
[L883]              int tmp___0 ;
[L887]  CALL, EXPR  isHighWaterSensorDry()
[L541]              int retValue_acc ;
[L544]  COND TRUE   waterLevel < 2
[L545]              retValue_acc = 1
[L546]              return (retValue_acc);
[L887]  RET, EXPR   isHighWaterSensorDry()
[L887]              tmp = isHighWaterSensorDry()
[L889]  COND TRUE   \read(tmp)
[L890]              tmp___0 = 0
[L894]              retValue_acc = tmp___0
[L895]              return (retValue_acc);
[L745]  RET, EXPR   isHighWaterLevel()
[L745]              tmp = isHighWaterLevel()
[L747]  COND FALSE  !(\read(tmp))
[L753]  FCALL       processEnvironment__wrappee__base()
[L784]  RET         processEnvironment__wrappee__highWaterSensor()
[L720]  RET         processEnvironment()
[L726]  CALL        __utac_acc__Specification4_spec__1()
[L420]              int tmp ;
[L421]              int tmp___0 ;
[L425]  CALL, EXPR  getWaterLevel()
[L532]              int retValue_acc ;
[L535]              retValue_acc = waterLevel
[L536]              return (retValue_acc);
[L425]  RET, EXPR   getWaterLevel()
[L425]              tmp = getWaterLevel()
[L427]  COND FALSE  !(tmp == 0)
[L726]  RET         __utac_acc__Specification4_spec__1()
[L982]  RET         timeShift()
End of lasso representation.
  - StatisticsResult: NonterminationArgumentStatistics
    Fixpoint
  - NonterminatingLassoResult [Line: 937]: Nonterminating execution
    Found a nonterminating execution for the following lasso shaped sequence of statements.
Stem:
[L219]              static struct __ACC__ERR *head  =    (struct __ACC__ERR *)0;
[L461]              int waterLevel  =    1;
[L462]              int methaneLevelCritical  =    0;
[L564]              int cleanupTimeShifts  =    4;
[L704]              int pumpRunning  =    0;
[L705]              int systemActive  =    1;
        VAL         [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1]
[L643]              int retValue_acc ;
[L644]              int tmp ;
[L648]  FCALL       select_helpers()
[L649]  FCALL       select_features()
[L650]  CALL, EXPR  valid_product()
[L692]              int retValue_acc ;
[L695]              retValue_acc = 1
[L696]              return (retValue_acc);
        VAL         [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1]
[L650]  RET, EXPR   valid_product()
[L650]              tmp = valid_product()
[L652]  COND TRUE   \read(tmp)
[L654]  FCALL       setup()
[L655]  CALL        runTest()
[L634]  CALL        test()
[L928]              int splverifierCounter ;
[L929]              int tmp ;
[L930]              int tmp___0 ;
[L931]              int tmp___1 ;
[L932]              int tmp___2 ;
[L935]              splverifierCounter = 0
        VAL         [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1]
Loop:
[L937]  COND TRUE   1
[L939]  COND TRUE   splverifierCounter < 4
[L945]              tmp = __VERIFIER_nondet_int()
[L947]  COND FALSE  !(\read(tmp))
[L955]              tmp___0 = __VERIFIER_nondet_int()
[L957]  COND FALSE  !(\read(tmp___0))
[L965]              tmp___2 = __VERIFIER_nondet_int()
[L967]  COND FALSE  !(\read(tmp___2))
[L973]              tmp___1 = __VERIFIER_nondet_int()
[L975]  COND TRUE   \read(tmp___1)
[L982]  CALL        timeShift()
[L711]  COND FALSE  !(\read(pumpRunning))
[L718]  COND TRUE   \read(systemActive)
[L720]  CALL        processEnvironment()
[L766]              int tmp ;
[L769]  COND FALSE  !(\read(pumpRunning))
[L784]  CALL        processEnvironment__wrappee__highWaterSensor()
[L740]              int tmp ;
[L743]  COND TRUE   ! pumpRunning
[L745]  CALL, EXPR  isHighWaterLevel()
[L881]              int retValue_acc ;
[L882]              int tmp ;
[L883]              int tmp___0 ;
[L887]  CALL, EXPR  isHighWaterSensorDry()
[L541]              int retValue_acc ;
[L544]  COND TRUE   waterLevel < 2
[L545]              retValue_acc = 1
[L546]              return (retValue_acc);
[L887]  RET, EXPR   isHighWaterSensorDry()
[L887]              tmp = isHighWaterSensorDry()
[L889]  COND TRUE   \read(tmp)
[L890]              tmp___0 = 0
[L894]              retValue_acc = tmp___0
[L895]              return (retValue_acc);
[L745]  RET, EXPR   isHighWaterLevel()
[L745]              tmp = isHighWaterLevel()
[L747]  COND FALSE  !(\read(tmp))
[L753]  FCALL       processEnvironment__wrappee__base()
[L784]  RET         processEnvironment__wrappee__highWaterSensor()
[L720]  RET         processEnvironment()
[L726]  CALL        __utac_acc__Specification4_spec__1()
[L420]              int tmp ;
[L421]              int tmp___0 ;
[L425]  CALL, EXPR  getWaterLevel()
[L532]              int retValue_acc ;
[L535]              retValue_acc = waterLevel
[L536]              return (retValue_acc);
[L425]  RET, EXPR   getWaterLevel()
[L425]              tmp = getWaterLevel()
[L427]  COND FALSE  !(tmp == 0)
[L726]  RET         __utac_acc__Specification4_spec__1()
[L982]  RET         timeShift()
End of lasso representation.
RESULT: Ultimate proved your program to be incorrect!
[2023-11-19 07:38:23,807 INFO  L540       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72e6d853-27af-4db5-a906-176676383996/bin/uautomizer-verify-uCwYo4JHxu/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)