./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product04.cil.c --full-output --architecture 32bit


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


Checking for termination
Using default analysis
Version d790fecc
Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fdb4de1-7571-4069-b77b-76b1e61d0483/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fdb4de1-7571-4069-b77b-76b1e61d0483/bin/uautomizer-verify-84ZbGMXZE1/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fdb4de1-7571-4069-b77b-76b1e61d0483/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fdb4de1-7571-4069-b77b-76b1e61d0483/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product04.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fdb4de1-7571-4069-b77b-76b1e61d0483/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fdb4de1-7571-4069-b77b-76b1e61d0483/bin/uautomizer-verify-84ZbGMXZE1 --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 b22026a332ccca8082c7769c107f506d3ca596d9fcaedb9dc78c497ca0c585ab
--- Real Ultimate output ---
This is Ultimate 0.3.0-dev-d790fec
[2024-12-02 06:02:31,428 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2024-12-02 06:02:31,498 INFO  L114        SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fdb4de1-7571-4069-b77b-76b1e61d0483/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Termination-32bit-Automizer_Default.epf
[2024-12-02 06:02:31,504 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2024-12-02 06:02:31,505 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-12-02 06:02:31,530 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2024-12-02 06:02:31,531 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-12-02 06:02:31,531 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-12-02 06:02:31,531 INFO  L151        SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-12-02 06:02:31,531 INFO  L153        SettingsManager]:  * Use memory slicer=true
[2024-12-02 06:02:31,532 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-12-02 06:02:31,532 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2024-12-02 06:02:31,532 INFO  L153        SettingsManager]:  * Use SBE=true
[2024-12-02 06:02:31,532 INFO  L151        SettingsManager]: Preferences of BuchiAutomizer differ from their defaults:
[2024-12-02 06:02:31,533 INFO  L153        SettingsManager]:  * NCSB implementation=INTSET_LAZY3
[2024-12-02 06:02:31,533 INFO  L153        SettingsManager]:  * Use old map elimination=false
[2024-12-02 06:02:31,533 INFO  L153        SettingsManager]:  * Use external solver (rank synthesis)=false
[2024-12-02 06:02:31,533 INFO  L153        SettingsManager]:  * Use only trivial implications for array writes=true
[2024-12-02 06:02:31,533 INFO  L153        SettingsManager]:  * Rank analysis=LINEAR_WITH_GUESSES
[2024-12-02 06:02:31,533 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-12-02 06:02:31,533 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=ASSUME
[2024-12-02 06:02:31,534 INFO  L153        SettingsManager]:  * sizeof long=4
[2024-12-02 06:02:31,534 INFO  L153        SettingsManager]:  * Overapproximate operations on floating types=true
[2024-12-02 06:02:31,534 INFO  L153        SettingsManager]:  * sizeof POINTER=4
[2024-12-02 06:02:31,534 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2024-12-02 06:02:31,534 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=ASSUME
[2024-12-02 06:02:31,534 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=ASSUME
[2024-12-02 06:02:31,534 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=ASSUME
[2024-12-02 06:02:31,534 INFO  L153        SettingsManager]:  * Check unreachability of reach_error function=false
[2024-12-02 06:02:31,534 INFO  L153        SettingsManager]:  * sizeof long double=12
[2024-12-02 06:02:31,535 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2024-12-02 06:02:31,535 INFO  L153        SettingsManager]:  * Assume nondeterminstic values are in range=false
[2024-12-02 06:02:31,535 INFO  L153        SettingsManager]:  * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR
[2024-12-02 06:02:31,535 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2024-12-02 06:02:31,535 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-12-02 06:02:31,535 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2024-12-02 06:02:31,535 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-12-02 06:02:31,536 INFO  L153        SettingsManager]:  * Trace refinement strategy=CAMEL_NO_AM
[2024-12-02 06:02:31,536 INFO  L151        SettingsManager]: Preferences of IcfgTransformer differ from their defaults:
[2024-12-02 06:02:31,536 INFO  L153        SettingsManager]:  * TransformationType=MODULO_NEIGHBOR
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_4fdb4de1-7571-4069-b77b-76b1e61d0483/bin/uautomizer-verify-84ZbGMXZE1
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 -> b22026a332ccca8082c7769c107f506d3ca596d9fcaedb9dc78c497ca0c585ab
[2024-12-02 06:02:31,793 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2024-12-02 06:02:31,803 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-12-02 06:02:31,806 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-12-02 06:02:31,808 INFO  L270        PluginConnector]: Initializing CDTParser...
[2024-12-02 06:02:31,808 INFO  L274        PluginConnector]: CDTParser initialized
[2024-12-02 06:02:31,809 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fdb4de1-7571-4069-b77b-76b1e61d0483/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/product-lines/minepump_spec3_product04.cil.c
[2024-12-02 06:02:35,081 INFO  L533              CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fdb4de1-7571-4069-b77b-76b1e61d0483/bin/uautomizer-verify-84ZbGMXZE1/data/66be1cf53/43c1ec6781b8458cb8e4ebe6237182d1/FLAG403e156fd
[2024-12-02 06:02:35,379 INFO  L384              CDTParser]: Found 1 translation units.
[2024-12-02 06:02:35,379 INFO  L180              CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fdb4de1-7571-4069-b77b-76b1e61d0483/sv-benchmarks/c/product-lines/minepump_spec3_product04.cil.c
[2024-12-02 06:02:35,389 INFO  L427              CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fdb4de1-7571-4069-b77b-76b1e61d0483/bin/uautomizer-verify-84ZbGMXZE1/data/66be1cf53/43c1ec6781b8458cb8e4ebe6237182d1/FLAG403e156fd
[2024-12-02 06:02:35,404 INFO  L435              CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fdb4de1-7571-4069-b77b-76b1e61d0483/bin/uautomizer-verify-84ZbGMXZE1/data/66be1cf53/43c1ec6781b8458cb8e4ebe6237182d1
[2024-12-02 06:02:35,406 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-12-02 06:02:35,408 INFO  L133        ToolchainWalker]: Walking toolchain with 6 elements.
[2024-12-02 06:02:35,409 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-12-02 06:02:35,409 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-12-02 06:02:35,414 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2024-12-02 06:02:35,415 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 06:02:35" (1/1) ...
[2024-12-02 06:02:35,416 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@14e53ed0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:02:35, skipping insertion in model container
[2024-12-02 06:02:35,416 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 06:02:35" (1/1) ...
[2024-12-02 06:02:35,452 INFO  L175         MainTranslator]: Built tables and reachable declarations
[2024-12-02 06:02:35,735 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-12-02 06:02:35,750 INFO  L200         MainTranslator]: Completed pre-run
[2024-12-02 06:02:35,760 WARN  L75    lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [49]
[2024-12-02 06:02:35,762 WARN  L75    lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [135]
[2024-12-02 06:02:35,762 WARN  L75    lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [501]
[2024-12-02 06:02:35,762 WARN  L75    lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [539]
[2024-12-02 06:02:35,762 WARN  L75    lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [638]
[2024-12-02 06:02:35,762 WARN  L75    lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification3_spec.i","") [647]
[2024-12-02 06:02:35,762 WARN  L75    lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [682]
[2024-12-02 06:02:35,763 WARN  L75    lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [816]
[2024-12-02 06:02:35,820 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-12-02 06:02:35,841 INFO  L204         MainTranslator]: Completed translation
[2024-12-02 06:02:35,842 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:02:35 WrapperNode
[2024-12-02 06:02:35,842 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-12-02 06:02:35,843 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-12-02 06:02:35,843 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-12-02 06:02:35,843 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2024-12-02 06:02:35,851 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:02:35" (1/1) ...
[2024-12-02 06:02:35,863 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:02:35" (1/1) ...
[2024-12-02 06:02:35,889 INFO  L138                Inliner]: procedures = 51, calls = 93, calls flagged for inlining = 46, calls inlined = 41, statements flattened = 269
[2024-12-02 06:02:35,889 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-12-02 06:02:35,890 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-12-02 06:02:35,890 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2024-12-02 06:02:35,890 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2024-12-02 06:02:35,901 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:02:35" (1/1) ...
[2024-12-02 06:02:35,901 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:02:35" (1/1) ...
[2024-12-02 06:02:35,903 INFO  L184        PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:02:35" (1/1) ...
[2024-12-02 06:02:35,916 INFO  L175           MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0].
[2024-12-02 06:02:35,916 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:02:35" (1/1) ...
[2024-12-02 06:02:35,916 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:02:35" (1/1) ...
[2024-12-02 06:02:35,920 INFO  L184        PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:02:35" (1/1) ...
[2024-12-02 06:02:35,921 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:02:35" (1/1) ...
[2024-12-02 06:02:35,926 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:02:35" (1/1) ...
[2024-12-02 06:02:35,927 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:02:35" (1/1) ...
[2024-12-02 06:02:35,928 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:02:35" (1/1) ...
[2024-12-02 06:02:35,930 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-12-02 06:02:35,931 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-12-02 06:02:35,931 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2024-12-02 06:02:35,931 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2024-12-02 06:02:35,932 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:02:35" (1/1) ...
[2024-12-02 06:02:35,936 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2024-12-02 06:02:35,947 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fdb4de1-7571-4069-b77b-76b1e61d0483/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 06:02:35,960 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fdb4de1-7571-4069-b77b-76b1e61d0483/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2024-12-02 06:02:35,963 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fdb4de1-7571-4069-b77b-76b1e61d0483/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process
[2024-12-02 06:02:35,992 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-12-02 06:02:35,992 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#0
[2024-12-02 06:02:35,992 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-12-02 06:02:35,992 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-12-02 06:02:36,060 INFO  L234             CfgBuilder]: Building ICFG
[2024-12-02 06:02:36,062 INFO  L260             CfgBuilder]: Building CFG for each procedure with an implementation
[2024-12-02 06:02:36,349 INFO  L?                        ?]: Removed 55 outVars from TransFormulas that were not future-live.
[2024-12-02 06:02:36,349 INFO  L283             CfgBuilder]: Performing block encoding
[2024-12-02 06:02:36,362 INFO  L307             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-12-02 06:02:36,362 INFO  L312             CfgBuilder]: Removed 4 assume(true) statements.
[2024-12-02 06:02:36,363 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:02:36 BoogieIcfgContainer
[2024-12-02 06:02:36,363 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-12-02 06:02:36,364 INFO  L112        PluginConnector]: ------------------------BuchiAutomizer----------------------------
[2024-12-02 06:02:36,364 INFO  L270        PluginConnector]: Initializing BuchiAutomizer...
[2024-12-02 06:02:36,371 INFO  L274        PluginConnector]: BuchiAutomizer initialized
[2024-12-02 06:02:36,371 INFO  L99          BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis
[2024-12-02 06:02:36,372 INFO  L184        PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 02.12 06:02:35" (1/3) ...
[2024-12-02 06:02:36,373 INFO  L204        PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2bd53f8b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 02.12 06:02:36, skipping insertion in model container
[2024-12-02 06:02:36,373 INFO  L99          BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis
[2024-12-02 06:02:36,373 INFO  L184        PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:02:35" (2/3) ...
[2024-12-02 06:02:36,373 INFO  L204        PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2bd53f8b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 02.12 06:02:36, skipping insertion in model container
[2024-12-02 06:02:36,373 INFO  L99          BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis
[2024-12-02 06:02:36,374 INFO  L184        PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:02:36" (3/3) ...
[2024-12-02 06:02:36,375 INFO  L363   chiAutomizerObserver]: Analyzing ICFG minepump_spec3_product04.cil.c
[2024-12-02 06:02:36,433 INFO  L300   stractBuchiCegarLoop]: Interprodecural is true
[2024-12-02 06:02:36,434 INFO  L301   stractBuchiCegarLoop]: Hoare is None
[2024-12-02 06:02:36,434 INFO  L302   stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates
[2024-12-02 06:02:36,434 INFO  L303   stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE
[2024-12-02 06:02:36,434 INFO  L304   stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2024-12-02 06:02:36,434 INFO  L305   stractBuchiCegarLoop]: Difference is false
[2024-12-02 06:02:36,434 INFO  L306   stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA
[2024-12-02 06:02:36,435 INFO  L310   stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ========
[2024-12-02 06:02:36,441 INFO  L72            BuchiIsEmpty]: Start buchiIsEmpty. Operand  has 87 states, 86 states have (on average 1.372093023255814) internal successors, (118), 86 states have internal predecessors, (118), 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)
[2024-12-02 06:02:36,460 INFO  L131   ngComponentsAnalysis]: Automaton has 2 accepting balls. 55
[2024-12-02 06:02:36,461 INFO  L87            BuchiIsEmpty]: Finished buchiIsEmpty Result is false
[2024-12-02 06:02:36,461 INFO  L119           BuchiIsEmpty]: Starting construction of run
[2024-12-02 06:02:36,467 INFO  L148   hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1]
[2024-12-02 06:02:36,467 INFO  L149   hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 06:02:36,467 INFO  L332   stractBuchiCegarLoop]: ======== Iteration 1 ============
[2024-12-02 06:02:36,468 INFO  L72            BuchiIsEmpty]: Start buchiIsEmpty. Operand  has 87 states, 86 states have (on average 1.372093023255814) internal successors, (118), 86 states have internal predecessors, (118), 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)
[2024-12-02 06:02:36,471 INFO  L131   ngComponentsAnalysis]: Automaton has 2 accepting balls. 55
[2024-12-02 06:02:36,471 INFO  L87            BuchiIsEmpty]: Finished buchiIsEmpty Result is false
[2024-12-02 06:02:36,471 INFO  L119           BuchiIsEmpty]: Starting construction of run
[2024-12-02 06:02:36,472 INFO  L148   hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1]
[2024-12-02 06:02:36,472 INFO  L149   hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 06:02:36,478 INFO  L747   eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(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);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret33#1, main_~retValue_acc~7#1, main_~tmp~3#1;havoc main_~retValue_acc~7#1;havoc main_~tmp~3#1;assume { :begin_inline_select_helpers } true;" "assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true;" "assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~6#1;havoc valid_product_~retValue_acc~6#1;valid_product_~retValue_acc~6#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~6#1;" "main_#t~ret33#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~6#1;assume { :end_inline_valid_product } true;main_~tmp~3#1 := main_#t~ret33#1;havoc main_#t~ret33#1;" "assume 0 != main_~tmp~3#1;assume { :begin_inline_setup } true;" "assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet46#1, test_#t~nondet47#1, test_#t~nondet48#1, test_#t~nondet49#1, test_~splverifierCounter~0#1, test_~tmp~5#1, test_~tmp___0~1#1, test_~tmp___1~1#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~5#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~1#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0;" 
[2024-12-02 06:02:36,478 INFO  L749   eck$LassoCheckResult]: Loop: "assume test_~splverifierCounter~0#1 < 4;" "havoc test_#t~nondet46#1;test_~tmp~5#1 := test_#t~nondet46#1;havoc test_#t~nondet46#1;" "assume !(0 != test_~tmp~5#1);" "havoc test_#t~nondet47#1;test_~tmp___0~1#1 := test_#t~nondet47#1;havoc test_#t~nondet47#1;" "assume !(0 != test_~tmp___0~1#1);" "havoc test_#t~nondet48#1;test_~tmp___2~0#1 := test_#t~nondet48#1;havoc test_#t~nondet48#1;" "assume !(0 != test_~tmp___2~0#1);havoc test_#t~nondet49#1;test_~tmp___1~1#1 := test_#t~nondet49#1;havoc test_#t~nondet49#1;" "assume !(0 != test_~tmp___1~1#1);" "assume { :begin_inline_timeShift } true;" "assume !(0 != ~pumpRunning~0);" "assume !(0 != ~systemActive~0);" "assume { :begin_inline___utac_acc__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret34#1, __utac_acc__Specification3_spec__1_#t~ret35#1, __utac_acc__Specification3_spec__1_#t~ret36#1, __utac_acc__Specification3_spec__1_~tmp~4#1, __utac_acc__Specification3_spec__1_~tmp___0~0#1, __utac_acc__Specification3_spec__1_~tmp___1~0#1;havoc __utac_acc__Specification3_spec__1_~tmp~4#1;havoc __utac_acc__Specification3_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification3_spec__1_~tmp___1~0#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~0#1;havoc isMethaneLevelCritical_~retValue_acc~0#1;isMethaneLevelCritical_~retValue_acc~0#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~0#1;" "__utac_acc__Specification3_spec__1_#t~ret34#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~0#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~4#1 := __utac_acc__Specification3_spec__1_#t~ret34#1;havoc __utac_acc__Specification3_spec__1_#t~ret34#1;" "assume 0 != __utac_acc__Specification3_spec__1_~tmp~4#1;" "havoc __utac_acc__Specification3_spec__1_#t~ret34#1, __utac_acc__Specification3_spec__1_#t~ret35#1, __utac_acc__Specification3_spec__1_#t~ret36#1, __utac_acc__Specification3_spec__1_~tmp~4#1, __utac_acc__Specification3_spec__1_~tmp___0~0#1, __utac_acc__Specification3_spec__1_~tmp___1~0#1;assume { :end_inline___utac_acc__Specification3_spec__1 } true;" "assume { :end_inline_timeShift } true;" 
[2024-12-02 06:02:36,483 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 06:02:36,483 INFO  L85        PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 1 times
[2024-12-02 06:02:36,490 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM
[2024-12-02 06:02:36,490 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1462070998]
[2024-12-02 06:02:36,491 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 06:02:36,491 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 06:02:36,582 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-12-02 06:02:36,582 INFO  L357             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-12-02 06:02:36,595 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-12-02 06:02:36,610 INFO  L130   FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace
[2024-12-02 06:02:36,612 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 06:02:36,612 INFO  L85        PathProgramCache]: Analyzing trace with hash 498039661, now seen corresponding path program 1 times
[2024-12-02 06:02:36,612 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM
[2024-12-02 06:02:36,613 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [925814087]
[2024-12-02 06:02:36,613 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 06:02:36,613 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 06:02:36,621 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-12-02 06:02:36,622 INFO  L357             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-12-02 06:02:36,626 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-12-02 06:02:36,629 INFO  L130   FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace
[2024-12-02 06:02:36,630 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 06:02:36,630 INFO  L85        PathProgramCache]: Analyzing trace with hash 1853458737, now seen corresponding path program 1 times
[2024-12-02 06:02:36,630 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM
[2024-12-02 06:02:36,630 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2112211511]
[2024-12-02 06:02:36,630 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 06:02:36,630 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 06:02:36,649 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 06:02:36,816 INFO  L136   FreeRefinementEngine]: Strategy CAMEL_NO_AM found an infeasible trace
[2024-12-02 06:02:36,816 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2112211511]
[2024-12-02 06:02:36,816 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2112211511] provided 0 perfect and 1 imperfect interpolant sequences
[2024-12-02 06:02:36,816 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1861483669]
[2024-12-02 06:02:36,816 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 06:02:36,817 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 06:02:36,817 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fdb4de1-7571-4069-b77b-76b1e61d0483/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 06:02:36,819 INFO  L229       MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fdb4de1-7571-4069-b77b-76b1e61d0483/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-12-02 06:02:36,830 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fdb4de1-7571-4069-b77b-76b1e61d0483/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process
[2024-12-02 06:02:36,909 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 06:02:36,911 INFO  L256         TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 2 conjuncts are in the unsatisfiable core
[2024-12-02 06:02:36,913 INFO  L279         TraceCheckSpWp]: Computing forward predicates...
[2024-12-02 06:02:36,979 INFO  L312         TraceCheckSpWp]: Computing backward predicates...
[2024-12-02 06:02:37,030 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1861483669] provided 0 perfect and 2 imperfect interpolant sequences
[2024-12-02 06:02:37,030 INFO  L185   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-12-02 06:02:37,030 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 2, 2] total 6
[2024-12-02 06:02:37,031 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [196841074]
[2024-12-02 06:02:37,031 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-12-02 06:02:37,108 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM
[2024-12-02 06:02:37,134 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2024-12-02 06:02:37,134 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42
[2024-12-02 06:02:37,136 INFO  L87              Difference]: Start difference. First operand  has 87 states, 86 states have (on average 1.372093023255814) internal successors, (118), 86 states have internal predecessors, (118), 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 7 states, 7 states have (on average 5.857142857142857) internal successors, (41), 6 states have internal predecessors, (41), 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)
[2024-12-02 06:02:37,251 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 06:02:37,252 INFO  L93              Difference]: Finished difference Result 222 states and 285 transitions.
[2024-12-02 06:02:37,253 INFO  L82        GeneralOperation]: Start removeNonLiveStates. Operand 222 states and 285 transitions.
[2024-12-02 06:02:37,259 INFO  L131   ngComponentsAnalysis]: Automaton has 4 accepting balls. 141
[2024-12-02 06:02:37,267 INFO  L88        GeneralOperation]: Finished removeNonLiveStates. Reduced from 222 states to 192 states and 255 transitions.
[2024-12-02 06:02:37,269 INFO  L87         BuchiClosureNwa]: Accepting states before buchiClosure: 192
[2024-12-02 06:02:37,270 INFO  L106        BuchiClosureNwa]: Accepting states after buchiClosure: 192
[2024-12-02 06:02:37,270 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 192 states and 255 transitions.
[2024-12-02 06:02:37,272 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2024-12-02 06:02:37,272 INFO  L218   hiAutomatonCegarLoop]: Abstraction has 192 states and 255 transitions.
[2024-12-02 06:02:37,284 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 192 states and 255 transitions.
[2024-12-02 06:02:37,298 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 192 to 127.
[2024-12-02 06:02:37,299 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 127 states, 127 states have (on average 1.330708661417323) internal successors, (169), 126 states have internal predecessors, (169), 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)
[2024-12-02 06:02:37,301 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 169 transitions.
[2024-12-02 06:02:37,302 INFO  L240   hiAutomatonCegarLoop]: Abstraction has 127 states and 169 transitions.
[2024-12-02 06:02:37,303 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2024-12-02 06:02:37,307 INFO  L425   stractBuchiCegarLoop]: Abstraction has 127 states and 169 transitions.
[2024-12-02 06:02:37,307 INFO  L332   stractBuchiCegarLoop]: ======== Iteration 2 ============
[2024-12-02 06:02:37,307 INFO  L72            BuchiIsEmpty]: Start buchiIsEmpty. Operand 127 states and 169 transitions.
[2024-12-02 06:02:37,309 INFO  L131   ngComponentsAnalysis]: Automaton has 3 accepting balls. 91
[2024-12-02 06:02:37,309 INFO  L87            BuchiIsEmpty]: Finished buchiIsEmpty Result is false
[2024-12-02 06:02:37,309 INFO  L119           BuchiIsEmpty]: Starting construction of run
[2024-12-02 06:02:37,309 INFO  L148   hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1]
[2024-12-02 06:02:37,309 INFO  L149   hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 06:02:37,309 INFO  L747   eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(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);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret33#1, main_~retValue_acc~7#1, main_~tmp~3#1;havoc main_~retValue_acc~7#1;havoc main_~tmp~3#1;assume { :begin_inline_select_helpers } true;" "assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true;" "assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~6#1;havoc valid_product_~retValue_acc~6#1;valid_product_~retValue_acc~6#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~6#1;" "main_#t~ret33#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~6#1;assume { :end_inline_valid_product } true;main_~tmp~3#1 := main_#t~ret33#1;havoc main_#t~ret33#1;" "assume 0 != main_~tmp~3#1;assume { :begin_inline_setup } true;" "assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet46#1, test_#t~nondet47#1, test_#t~nondet48#1, test_#t~nondet49#1, test_~splverifierCounter~0#1, test_~tmp~5#1, test_~tmp___0~1#1, test_~tmp___1~1#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~5#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~1#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0;" 
[2024-12-02 06:02:37,310 INFO  L749   eck$LassoCheckResult]: Loop: "assume test_~splverifierCounter~0#1 < 4;" "havoc test_#t~nondet46#1;test_~tmp~5#1 := test_#t~nondet46#1;havoc test_#t~nondet46#1;" "assume !(0 != test_~tmp~5#1);" "havoc test_#t~nondet47#1;test_~tmp___0~1#1 := test_#t~nondet47#1;havoc test_#t~nondet47#1;" "assume !(0 != test_~tmp___0~1#1);" "havoc test_#t~nondet48#1;test_~tmp___2~0#1 := test_#t~nondet48#1;havoc test_#t~nondet48#1;" "assume !(0 != test_~tmp___2~0#1);havoc test_#t~nondet49#1;test_~tmp___1~1#1 := test_#t~nondet49#1;havoc test_#t~nondet49#1;" "assume !(0 != test_~tmp___1~1#1);" "assume { :begin_inline_timeShift } true;" "assume !(0 != ~pumpRunning~0);" "assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;" "assume { :end_inline_processEnvironment } true;" "assume { :begin_inline___utac_acc__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret34#1, __utac_acc__Specification3_spec__1_#t~ret35#1, __utac_acc__Specification3_spec__1_#t~ret36#1, __utac_acc__Specification3_spec__1_~tmp~4#1, __utac_acc__Specification3_spec__1_~tmp___0~0#1, __utac_acc__Specification3_spec__1_~tmp___1~0#1;havoc __utac_acc__Specification3_spec__1_~tmp~4#1;havoc __utac_acc__Specification3_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification3_spec__1_~tmp___1~0#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~0#1;havoc isMethaneLevelCritical_~retValue_acc~0#1;isMethaneLevelCritical_~retValue_acc~0#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~0#1;" "__utac_acc__Specification3_spec__1_#t~ret34#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~0#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~4#1 := __utac_acc__Specification3_spec__1_#t~ret34#1;havoc __utac_acc__Specification3_spec__1_#t~ret34#1;" "assume 0 != __utac_acc__Specification3_spec__1_~tmp~4#1;" "havoc __utac_acc__Specification3_spec__1_#t~ret34#1, __utac_acc__Specification3_spec__1_#t~ret35#1, __utac_acc__Specification3_spec__1_#t~ret36#1, __utac_acc__Specification3_spec__1_~tmp~4#1, __utac_acc__Specification3_spec__1_~tmp___0~0#1, __utac_acc__Specification3_spec__1_~tmp___1~0#1;assume { :end_inline___utac_acc__Specification3_spec__1 } true;" "assume { :end_inline_timeShift } true;" 
[2024-12-02 06:02:37,310 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 06:02:37,310 INFO  L85        PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 2 times
[2024-12-02 06:02:37,310 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM
[2024-12-02 06:02:37,310 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2116683715]
[2024-12-02 06:02:37,310 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 06:02:37,310 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 06:02:37,321 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-12-02 06:02:37,321 INFO  L357             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-12-02 06:02:37,327 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-12-02 06:02:37,330 INFO  L130   FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace
[2024-12-02 06:02:37,331 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 06:02:37,331 INFO  L85        PathProgramCache]: Analyzing trace with hash -1112165049, now seen corresponding path program 1 times
[2024-12-02 06:02:37,331 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM
[2024-12-02 06:02:37,332 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1223753568]
[2024-12-02 06:02:37,332 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 06:02:37,332 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 06:02:37,338 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-12-02 06:02:37,338 INFO  L357             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-12-02 06:02:37,341 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-12-02 06:02:37,344 INFO  L130   FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace
[2024-12-02 06:02:37,344 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 06:02:37,344 INFO  L85        PathProgramCache]: Analyzing trace with hash -2043846653, now seen corresponding path program 1 times
[2024-12-02 06:02:37,344 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM
[2024-12-02 06:02:37,344 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [36825883]
[2024-12-02 06:02:37,345 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 06:02:37,345 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 06:02:37,357 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 06:02:37,438 INFO  L136   FreeRefinementEngine]: Strategy CAMEL_NO_AM found an infeasible trace
[2024-12-02 06:02:37,438 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [36825883]
[2024-12-02 06:02:37,439 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [36825883] provided 0 perfect and 1 imperfect interpolant sequences
[2024-12-02 06:02:37,439 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2017237785]
[2024-12-02 06:02:37,439 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 06:02:37,439 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 06:02:37,439 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fdb4de1-7571-4069-b77b-76b1e61d0483/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 06:02:37,441 INFO  L229       MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fdb4de1-7571-4069-b77b-76b1e61d0483/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-12-02 06:02:37,443 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fdb4de1-7571-4069-b77b-76b1e61d0483/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process
[2024-12-02 06:02:37,502 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 06:02:37,503 INFO  L256         TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 9 conjuncts are in the unsatisfiable core
[2024-12-02 06:02:37,504 INFO  L279         TraceCheckSpWp]: Computing forward predicates...
[2024-12-02 06:02:37,561 INFO  L312         TraceCheckSpWp]: Computing backward predicates...
[2024-12-02 06:02:37,608 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [2017237785] provided 0 perfect and 2 imperfect interpolant sequences
[2024-12-02 06:02:37,608 INFO  L185   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-12-02 06:02:37,608 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 4
[2024-12-02 06:02:37,609 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [535908248]
[2024-12-02 06:02:37,609 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-12-02 06:02:37,656 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM
[2024-12-02 06:02:37,656 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-02 06:02:37,656 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-12-02 06:02:37,657 INFO  L87              Difference]: Start difference. First operand 127 states and 169 transitions. cyclomatic complexity: 45 Second operand  has 5 states, 5 states have (on average 4.8) internal successors, (24), 4 states have internal predecessors, (24), 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)
[2024-12-02 06:02:37,741 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 06:02:37,741 INFO  L93              Difference]: Finished difference Result 247 states and 323 transitions.
[2024-12-02 06:02:37,741 INFO  L82        GeneralOperation]: Start removeNonLiveStates. Operand 247 states and 323 transitions.
[2024-12-02 06:02:37,745 INFO  L131   ngComponentsAnalysis]: Automaton has 5 accepting balls. 182
[2024-12-02 06:02:37,748 INFO  L88        GeneralOperation]: Finished removeNonLiveStates. Reduced from 247 states to 247 states and 323 transitions.
[2024-12-02 06:02:37,748 INFO  L87         BuchiClosureNwa]: Accepting states before buchiClosure: 247
[2024-12-02 06:02:37,748 INFO  L106        BuchiClosureNwa]: Accepting states after buchiClosure: 247
[2024-12-02 06:02:37,749 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 247 states and 323 transitions.
[2024-12-02 06:02:37,750 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2024-12-02 06:02:37,750 INFO  L218   hiAutomatonCegarLoop]: Abstraction has 247 states and 323 transitions.
[2024-12-02 06:02:37,751 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 247 states and 323 transitions.
[2024-12-02 06:02:37,763 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 247 to 247.
[2024-12-02 06:02:37,763 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 247 states, 247 states have (on average 1.3076923076923077) internal successors, (323), 246 states have internal predecessors, (323), 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)
[2024-12-02 06:02:37,765 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 247 states and 323 transitions.
[2024-12-02 06:02:37,766 INFO  L240   hiAutomatonCegarLoop]: Abstraction has 247 states and 323 transitions.
[2024-12-02 06:02:37,766 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2024-12-02 06:02:37,767 INFO  L425   stractBuchiCegarLoop]: Abstraction has 247 states and 323 transitions.
[2024-12-02 06:02:37,767 INFO  L332   stractBuchiCegarLoop]: ======== Iteration 3 ============
[2024-12-02 06:02:37,767 INFO  L72            BuchiIsEmpty]: Start buchiIsEmpty. Operand 247 states and 323 transitions.
[2024-12-02 06:02:37,769 INFO  L131   ngComponentsAnalysis]: Automaton has 5 accepting balls. 182
[2024-12-02 06:02:37,769 INFO  L87            BuchiIsEmpty]: Finished buchiIsEmpty Result is false
[2024-12-02 06:02:37,770 INFO  L119           BuchiIsEmpty]: Starting construction of run
[2024-12-02 06:02:37,770 INFO  L148   hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1]
[2024-12-02 06:02:37,770 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]
[2024-12-02 06:02:37,771 INFO  L747   eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(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);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret33#1, main_~retValue_acc~7#1, main_~tmp~3#1;havoc main_~retValue_acc~7#1;havoc main_~tmp~3#1;assume { :begin_inline_select_helpers } true;" "assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true;" "assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~6#1;havoc valid_product_~retValue_acc~6#1;valid_product_~retValue_acc~6#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~6#1;" "main_#t~ret33#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~6#1;assume { :end_inline_valid_product } true;main_~tmp~3#1 := main_#t~ret33#1;havoc main_#t~ret33#1;" "assume 0 != main_~tmp~3#1;assume { :begin_inline_setup } true;" "assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet46#1, test_#t~nondet47#1, test_#t~nondet48#1, test_#t~nondet49#1, test_~splverifierCounter~0#1, test_~tmp~5#1, test_~tmp___0~1#1, test_~tmp___1~1#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~5#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~1#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0;" 
[2024-12-02 06:02:37,771 INFO  L749   eck$LassoCheckResult]: Loop: "assume test_~splverifierCounter~0#1 < 4;" "havoc test_#t~nondet46#1;test_~tmp~5#1 := test_#t~nondet46#1;havoc test_#t~nondet46#1;" "assume !(0 != test_~tmp~5#1);" "havoc test_#t~nondet47#1;test_~tmp___0~1#1 := test_#t~nondet47#1;havoc test_#t~nondet47#1;" "assume !(0 != test_~tmp___0~1#1);" "havoc test_#t~nondet48#1;test_~tmp___2~0#1 := test_#t~nondet48#1;havoc test_#t~nondet48#1;" "assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1;" "assume { :end_inline_startSystem } true;" "assume { :begin_inline_timeShift } true;" "assume !(0 != ~pumpRunning~0);" "assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;" "assume { :end_inline_processEnvironment } true;" "assume { :begin_inline___utac_acc__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret34#1, __utac_acc__Specification3_spec__1_#t~ret35#1, __utac_acc__Specification3_spec__1_#t~ret36#1, __utac_acc__Specification3_spec__1_~tmp~4#1, __utac_acc__Specification3_spec__1_~tmp___0~0#1, __utac_acc__Specification3_spec__1_~tmp___1~0#1;havoc __utac_acc__Specification3_spec__1_~tmp~4#1;havoc __utac_acc__Specification3_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification3_spec__1_~tmp___1~0#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~0#1;havoc isMethaneLevelCritical_~retValue_acc~0#1;isMethaneLevelCritical_~retValue_acc~0#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~0#1;" "__utac_acc__Specification3_spec__1_#t~ret34#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~0#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~4#1 := __utac_acc__Specification3_spec__1_#t~ret34#1;havoc __utac_acc__Specification3_spec__1_#t~ret34#1;" "assume !(0 != __utac_acc__Specification3_spec__1_~tmp~4#1);assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~1#1;havoc getWaterLevel_~retValue_acc~1#1;getWaterLevel_~retValue_acc~1#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~1#1;" "__utac_acc__Specification3_spec__1_#t~ret35#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~1#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification3_spec__1_~tmp___0~0#1 := __utac_acc__Specification3_spec__1_#t~ret35#1;havoc __utac_acc__Specification3_spec__1_#t~ret35#1;" "assume !(2 == __utac_acc__Specification3_spec__1_~tmp___0~0#1);" "havoc __utac_acc__Specification3_spec__1_#t~ret34#1, __utac_acc__Specification3_spec__1_#t~ret35#1, __utac_acc__Specification3_spec__1_#t~ret36#1, __utac_acc__Specification3_spec__1_~tmp~4#1, __utac_acc__Specification3_spec__1_~tmp___0~0#1, __utac_acc__Specification3_spec__1_~tmp___1~0#1;assume { :end_inline___utac_acc__Specification3_spec__1 } true;" "assume { :end_inline_timeShift } true;" 
[2024-12-02 06:02:37,771 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 06:02:37,771 INFO  L85        PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 3 times
[2024-12-02 06:02:37,772 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM
[2024-12-02 06:02:37,772 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [168132454]
[2024-12-02 06:02:37,772 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 06:02:37,772 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 06:02:37,780 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-12-02 06:02:37,780 INFO  L357             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-12-02 06:02:37,785 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-12-02 06:02:37,788 INFO  L130   FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace
[2024-12-02 06:02:37,788 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 06:02:37,789 INFO  L85        PathProgramCache]: Analyzing trace with hash -492441078, now seen corresponding path program 1 times
[2024-12-02 06:02:37,789 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM
[2024-12-02 06:02:37,789 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1189440077]
[2024-12-02 06:02:37,789 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 06:02:37,789 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 06:02:37,795 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-12-02 06:02:37,796 INFO  L357             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-12-02 06:02:37,799 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-12-02 06:02:37,802 INFO  L130   FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace
[2024-12-02 06:02:37,802 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 06:02:37,802 INFO  L85        PathProgramCache]: Analyzing trace with hash 1809702342, now seen corresponding path program 1 times
[2024-12-02 06:02:37,802 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM
[2024-12-02 06:02:37,802 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1914887104]
[2024-12-02 06:02:37,802 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 06:02:37,803 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 06:02:37,813 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-12-02 06:02:37,813 INFO  L357             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-12-02 06:02:37,820 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-12-02 06:02:37,825 INFO  L130   FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace
[2024-12-02 06:02:38,855 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-12-02 06:02:38,856 INFO  L357             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-12-02 06:02:38,864 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-12-02 06:02:38,910 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 02.12 06:02:38 BoogieIcfgContainer
[2024-12-02 06:02:38,910 INFO  L131        PluginConnector]: ------------------------ END BuchiAutomizer----------------------------
[2024-12-02 06:02:38,911 INFO  L112        PluginConnector]: ------------------------Witness Printer----------------------------
[2024-12-02 06:02:38,911 INFO  L270        PluginConnector]: Initializing Witness Printer...
[2024-12-02 06:02:38,911 INFO  L274        PluginConnector]: Witness Printer initialized
[2024-12-02 06:02:38,912 INFO  L184        PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:02:36" (3/4) ...
[2024-12-02 06:02:38,914 INFO  L143         WitnessPrinter]: Generating witness for non-termination counterexample
[2024-12-02 06:02:38,959 INFO  L149         WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fdb4de1-7571-4069-b77b-76b1e61d0483/bin/uautomizer-verify-84ZbGMXZE1/witness.graphml
[2024-12-02 06:02:38,960 INFO  L131        PluginConnector]: ------------------------ END Witness Printer----------------------------
[2024-12-02 06:02:38,961 INFO  L158              Benchmark]: Toolchain (without parser) took 3552.96ms. Allocated memory is still 142.6MB. Free memory was 116.4MB in the beginning and 72.8MB in the end (delta: 43.6MB). Peak memory consumption was 40.4MB. Max. memory is 16.1GB.
[2024-12-02 06:02:38,961 INFO  L158              Benchmark]: CDTParser took 0.33ms. Allocated memory is still 142.6MB. Free memory is still 83.0MB. There was no memory consumed. Max. memory is 16.1GB.
[2024-12-02 06:02:38,961 INFO  L158              Benchmark]: CACSL2BoogieTranslator took 433.76ms. Allocated memory is still 142.6MB. Free memory was 116.4MB in the beginning and 98.5MB in the end (delta: 17.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
[2024-12-02 06:02:38,962 INFO  L158              Benchmark]: Boogie Procedure Inliner took 46.06ms. Allocated memory is still 142.6MB. Free memory was 98.5MB in the beginning and 96.5MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-12-02 06:02:38,962 INFO  L158              Benchmark]: Boogie Preprocessor took 40.83ms. Allocated memory is still 142.6MB. Free memory was 96.5MB in the beginning and 94.7MB in the end (delta: 1.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-12-02 06:02:38,962 INFO  L158              Benchmark]: RCFGBuilder took 431.75ms. Allocated memory is still 142.6MB. Free memory was 94.7MB in the beginning and 78.2MB in the end (delta: 16.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
[2024-12-02 06:02:38,963 INFO  L158              Benchmark]: BuchiAutomizer took 2546.58ms. Allocated memory is still 142.6MB. Free memory was 78.2MB in the beginning and 76.3MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-12-02 06:02:38,963 INFO  L158              Benchmark]: Witness Printer took 48.82ms. Allocated memory is still 142.6MB. Free memory was 75.2MB in the beginning and 72.8MB in the end (delta: 2.4MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-12-02 06:02:38,965 INFO  L338   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.33ms. Allocated memory is still 142.6MB. Free memory is still 83.0MB. There was no memory consumed. Max. memory is 16.1GB.
 * CACSL2BoogieTranslator took 433.76ms. Allocated memory is still 142.6MB. Free memory was 116.4MB in the beginning and 98.5MB in the end (delta: 17.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
 * Boogie Procedure Inliner took 46.06ms. Allocated memory is still 142.6MB. Free memory was 98.5MB in the beginning and 96.5MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB.
 * Boogie Preprocessor took 40.83ms. Allocated memory is still 142.6MB. Free memory was 96.5MB in the beginning and 94.7MB in the end (delta: 1.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
 * RCFGBuilder took 431.75ms. Allocated memory is still 142.6MB. Free memory was 94.7MB in the beginning and 78.2MB in the end (delta: 16.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
 * BuchiAutomizer took 2546.58ms. Allocated memory is still 142.6MB. Free memory was 78.2MB in the beginning and 76.3MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB.
 * Witness Printer took 48.82ms. Allocated memory is still 142.6MB. Free memory was 75.2MB in the beginning and 72.8MB in the end (delta: 2.4MB). There was no memory consumed. 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,"Environment.i","") [49]
  - GenericResultAtLocation [Line: 135]: Unsoundness Warning
    Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [135]
  - GenericResultAtLocation [Line: 501]: Unsoundness Warning
    Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [501]
  - GenericResultAtLocation [Line: 539]: Unsoundness Warning
    Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [539]
  - GenericResultAtLocation [Line: 638]: Unsoundness Warning
    Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [638]
  - GenericResultAtLocation [Line: 647]: Unsoundness Warning
    Ignoring preprocessor pragma C: #pragma merger(0,"Specification3_spec.i","") [647]
  - GenericResultAtLocation [Line: 682]: Unsoundness Warning
    Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [682]
  - GenericResultAtLocation [Line: 816]: Unsoundness Warning
    Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [816]
 * 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 7 locations. The remainder module has 247 locations.
  - StatisticsResult: Timing statistics
    BüchiAutomizer plugin needed 2.4s and 3 iterations.  TraceHistogramMax:1. Analysis of lassos took 2.0s. 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 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 65 StatesRemovedByMinimization, 1 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, 327 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 327 mSDsluCounter, 873 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 688 mSDsCounter, 21 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 82 IncrementalHoareTripleChecker+Invalid, 103 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 21 mSolverCounterUnsat, 185 mSDtfsCounter, 82 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown	LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc2 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: 829]: Nontermination argument in form of an infinite program execution.
    Nontermination argument in form of an infinite program execution.
Stem:
[L56]               int waterLevel  =    1;
[L57]               int methaneLevelCritical  =    0;
[L305]              static struct __ACC__ERR *head  =    (struct __ACC__ERR *)0;
[L540]              int cleanupTimeShifts  =    4;
[L687]              int pumpRunning  =    0;
[L688]              int systemActive  =    1;
        VAL         [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1]
[L616]              int retValue_acc ;
[L617]              int tmp ;
[L621]  FCALL       select_helpers()
[L622]  FCALL       select_features()
[L623]  CALL, EXPR  valid_product()
[L531]              int retValue_acc ;
[L534]              retValue_acc = 1
[L535]              return (retValue_acc);
        VAL         [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1]
[L623]  RET, EXPR   valid_product()
[L623]              tmp = valid_product()
[L625]  COND TRUE   \read(tmp)
[L627]  FCALL       setup()
[L628]  CALL        runTest()
[L610]  CALL        test()
[L818]              int splverifierCounter ;
[L819]              int tmp ;
[L820]              int tmp___0 ;
[L821]              int tmp___1 ;
[L822]              int tmp___2 ;
[L825]              splverifierCounter = 0
        VAL         [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1]
Loop:
[L829]  COND TRUE   splverifierCounter < 4
[L835]              tmp = __VERIFIER_nondet_int()
[L837]  COND FALSE  !(\read(tmp))
[L845]              tmp___0 = __VERIFIER_nondet_int()
[L847]  COND FALSE  !(\read(tmp___0))
[L855]              tmp___2 = __VERIFIER_nondet_int()
[L857]  COND TRUE   \read(tmp___2)
[L859]  CALL        startSystem()
[L812]              systemActive = 1
[L859]  RET         startSystem()
[L874]  CALL        timeShift()
[L694]  COND FALSE  !(\read(pumpRunning))
[L701]  COND TRUE   \read(systemActive)
[L703]  FCALL       processEnvironment()
[L709]  CALL        __utac_acc__Specification3_spec__1()
[L650]              int tmp ;
[L651]              int tmp___0 ;
[L652]              int tmp___1 ;
[L656]  CALL, EXPR  isMethaneLevelCritical()
[L95]               int retValue_acc ;
[L98]               retValue_acc = methaneLevelCritical
[L99]               return (retValue_acc);
[L656]  RET, EXPR   isMethaneLevelCritical()
[L656]              tmp = isMethaneLevelCritical()
[L658]  COND FALSE  !(\read(tmp))
[L662]  CALL, EXPR  getWaterLevel()
[L127]              int retValue_acc ;
[L130]              retValue_acc = waterLevel
[L131]              return (retValue_acc);
[L662]  RET, EXPR   getWaterLevel()
[L662]              tmp___0 = getWaterLevel()
[L664]  COND FALSE  !(tmp___0 == 2)
[L709]  RET         __utac_acc__Specification3_spec__1()
[L874]  RET         timeShift()
End of lasso representation.
  - StatisticsResult: NonterminationArgumentStatistics
    Fixpoint
  - NonterminatingLassoResult [Line: 829]: Nonterminating execution
    Found a nonterminating execution for the following lasso shaped sequence of statements.
Stem:
[L56]               int waterLevel  =    1;
[L57]               int methaneLevelCritical  =    0;
[L305]              static struct __ACC__ERR *head  =    (struct __ACC__ERR *)0;
[L540]              int cleanupTimeShifts  =    4;
[L687]              int pumpRunning  =    0;
[L688]              int systemActive  =    1;
        VAL         [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1]
[L616]              int retValue_acc ;
[L617]              int tmp ;
[L621]  FCALL       select_helpers()
[L622]  FCALL       select_features()
[L623]  CALL, EXPR  valid_product()
[L531]              int retValue_acc ;
[L534]              retValue_acc = 1
[L535]              return (retValue_acc);
        VAL         [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1]
[L623]  RET, EXPR   valid_product()
[L623]              tmp = valid_product()
[L625]  COND TRUE   \read(tmp)
[L627]  FCALL       setup()
[L628]  CALL        runTest()
[L610]  CALL        test()
[L818]              int splverifierCounter ;
[L819]              int tmp ;
[L820]              int tmp___0 ;
[L821]              int tmp___1 ;
[L822]              int tmp___2 ;
[L825]              splverifierCounter = 0
        VAL         [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1]
Loop:
[L829]  COND TRUE   splverifierCounter < 4
[L835]              tmp = __VERIFIER_nondet_int()
[L837]  COND FALSE  !(\read(tmp))
[L845]              tmp___0 = __VERIFIER_nondet_int()
[L847]  COND FALSE  !(\read(tmp___0))
[L855]              tmp___2 = __VERIFIER_nondet_int()
[L857]  COND TRUE   \read(tmp___2)
[L859]  CALL        startSystem()
[L812]              systemActive = 1
[L859]  RET         startSystem()
[L874]  CALL        timeShift()
[L694]  COND FALSE  !(\read(pumpRunning))
[L701]  COND TRUE   \read(systemActive)
[L703]  FCALL       processEnvironment()
[L709]  CALL        __utac_acc__Specification3_spec__1()
[L650]              int tmp ;
[L651]              int tmp___0 ;
[L652]              int tmp___1 ;
[L656]  CALL, EXPR  isMethaneLevelCritical()
[L95]               int retValue_acc ;
[L98]               retValue_acc = methaneLevelCritical
[L99]               return (retValue_acc);
[L656]  RET, EXPR   isMethaneLevelCritical()
[L656]              tmp = isMethaneLevelCritical()
[L658]  COND FALSE  !(\read(tmp))
[L662]  CALL, EXPR  getWaterLevel()
[L127]              int retValue_acc ;
[L130]              retValue_acc = waterLevel
[L131]              return (retValue_acc);
[L662]  RET, EXPR   getWaterLevel()
[L662]              tmp___0 = getWaterLevel()
[L664]  COND FALSE  !(tmp___0 == 2)
[L709]  RET         __utac_acc__Specification3_spec__1()
[L874]  RET         timeShift()
End of lasso representation.
RESULT: Ultimate proved your program to be incorrect!
[2024-12-02 06:02:38,985 INFO  L552       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fdb4de1-7571-4069-b77b-76b1e61d0483/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0
[2024-12-02 06:02:39,180 INFO  L552       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fdb4de1-7571-4069-b77b-76b1e61d0483/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0
[2024-12-02 06:02:39,381 INFO  L552       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fdb4de1-7571-4069-b77b-76b1e61d0483/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with 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)