./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 6497de01
Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5d75f0a-d527-44a5-ba3e-58631ad04be9/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5d75f0a-d527-44a5-ba3e-58631ad04be9/bin/uautomizer-verify-LYvppIcaGC/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5d75f0a-d527-44a5-ba3e-58631ad04be9/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5d75f0a-d527-44a5-ba3e-58631ad04be9/bin/uautomizer-verify-LYvppIcaGC/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_b5d75f0a-d527-44a5-ba3e-58631ad04be9/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5d75f0a-d527-44a5-ba3e-58631ad04be9/bin/uautomizer-verify-LYvppIcaGC --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 0.3.0-dev-6497de0
[2024-11-24 01:17:56,368 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2024-11-24 01:17:56,458 INFO  L114        SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5d75f0a-d527-44a5-ba3e-58631ad04be9/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Termination-32bit-Automizer_Default.epf
[2024-11-24 01:17:56,473 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2024-11-24 01:17:56,474 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-24 01:17:56,509 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-24 01:17:56,510 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-24 01:17:56,510 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-24 01:17:56,510 INFO  L151        SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-24 01:17:56,510 INFO  L153        SettingsManager]:  * Use memory slicer=true
[2024-11-24 01:17:56,511 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-24 01:17:56,511 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2024-11-24 01:17:56,511 INFO  L153        SettingsManager]:  * Use SBE=true
[2024-11-24 01:17:56,511 INFO  L151        SettingsManager]: Preferences of BuchiAutomizer differ from their defaults:
[2024-11-24 01:17:56,511 INFO  L153        SettingsManager]:  * NCSB implementation=INTSET_LAZY3
[2024-11-24 01:17:56,512 INFO  L153        SettingsManager]:  * Use old map elimination=false
[2024-11-24 01:17:56,512 INFO  L153        SettingsManager]:  * Use external solver (rank synthesis)=false
[2024-11-24 01:17:56,512 INFO  L153        SettingsManager]:  * Use only trivial implications for array writes=true
[2024-11-24 01:17:56,512 INFO  L153        SettingsManager]:  * Rank analysis=LINEAR_WITH_GUESSES
[2024-11-24 01:17:56,512 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-24 01:17:56,512 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=ASSUME
[2024-11-24 01:17:56,513 INFO  L153        SettingsManager]:  * sizeof long=4
[2024-11-24 01:17:56,513 INFO  L153        SettingsManager]:  * Overapproximate operations on floating types=true
[2024-11-24 01:17:56,513 INFO  L153        SettingsManager]:  * sizeof POINTER=4
[2024-11-24 01:17:56,513 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2024-11-24 01:17:56,513 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=ASSUME
[2024-11-24 01:17:56,513 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=ASSUME
[2024-11-24 01:17:56,513 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=ASSUME
[2024-11-24 01:17:56,513 INFO  L153        SettingsManager]:  * Check unreachability of reach_error function=false
[2024-11-24 01:17:56,514 INFO  L153        SettingsManager]:  * sizeof long double=12
[2024-11-24 01:17:56,514 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2024-11-24 01:17:56,514 INFO  L153        SettingsManager]:  * Assume nondeterminstic values are in range=false
[2024-11-24 01:17:56,514 INFO  L153        SettingsManager]:  * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR
[2024-11-24 01:17:56,514 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2024-11-24 01:17:56,514 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-24 01:17:56,514 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2024-11-24 01:17:56,515 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-24 01:17:56,515 INFO  L153        SettingsManager]:  * Trace refinement strategy=CAMEL_NO_AM
[2024-11-24 01:17:56,515 INFO  L151        SettingsManager]: Preferences of IcfgTransformer differ from their defaults:
[2024-11-24 01:17:56,515 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_b5d75f0a-d527-44a5-ba3e-58631ad04be9/bin/uautomizer-verify-LYvppIcaGC
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
[2024-11-24 01:17:56,868 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-24 01:17:56,881 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-24 01:17:56,883 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-24 01:17:56,885 INFO  L270        PluginConnector]: Initializing CDTParser...
[2024-11-24 01:17:56,886 INFO  L274        PluginConnector]: CDTParser initialized
[2024-11-24 01:17:56,887 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5d75f0a-d527-44a5-ba3e-58631ad04be9/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/product-lines/minepump_spec4_product58.cil.c
[2024-11-24 01:18:00,023 INFO  L533              CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5d75f0a-d527-44a5-ba3e-58631ad04be9/bin/uautomizer-verify-LYvppIcaGC/data/312dd410f/9018d29a9c24434491fc3aada84be6d5/FLAG7c0c62b00
[2024-11-24 01:18:00,433 INFO  L384              CDTParser]: Found 1 translation units.
[2024-11-24 01:18:00,434 INFO  L180              CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5d75f0a-d527-44a5-ba3e-58631ad04be9/sv-benchmarks/c/product-lines/minepump_spec4_product58.cil.c
[2024-11-24 01:18:00,458 INFO  L427              CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5d75f0a-d527-44a5-ba3e-58631ad04be9/bin/uautomizer-verify-LYvppIcaGC/data/312dd410f/9018d29a9c24434491fc3aada84be6d5/FLAG7c0c62b00
[2024-11-24 01:18:00,607 INFO  L435              CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5d75f0a-d527-44a5-ba3e-58631ad04be9/bin/uautomizer-verify-LYvppIcaGC/data/312dd410f/9018d29a9c24434491fc3aada84be6d5
[2024-11-24 01:18:00,610 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-24 01:18:00,611 INFO  L133        ToolchainWalker]: Walking toolchain with 6 elements.
[2024-11-24 01:18:00,613 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-24 01:18:00,613 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-24 01:18:00,617 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-24 01:18:00,618 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 01:18:00" (1/1) ...
[2024-11-24 01:18:00,619 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2c316dc8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:18:00, skipping insertion in model container
[2024-11-24 01:18:00,620 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 01:18:00" (1/1) ...
[2024-11-24 01:18:00,659 INFO  L175         MainTranslator]: Built tables and reachable declarations
[2024-11-24 01:18:00,988 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-24 01:18:01,007 INFO  L200         MainTranslator]: Completed pre-run
[2024-11-24 01:18:01,016 WARN  L75    lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [49]
[2024-11-24 01:18:01,017 WARN  L75    lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification4_spec.i","") [415]
[2024-11-24 01:18:01,018 WARN  L75    lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [444]
[2024-11-24 01:18:01,018 WARN  L75    lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [453]
[2024-11-24 01:18:01,018 WARN  L75    lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [563]
[2024-11-24 01:18:01,018 WARN  L75    lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [665]
[2024-11-24 01:18:01,018 WARN  L75    lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [700]
[2024-11-24 01:18:01,018 WARN  L75    lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [926]
[2024-11-24 01:18:01,122 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-24 01:18:01,153 INFO  L204         MainTranslator]: Completed translation
[2024-11-24 01:18:01,154 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:18:01 WrapperNode
[2024-11-24 01:18:01,155 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-24 01:18:01,157 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-24 01:18:01,157 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-24 01:18:01,158 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-24 01:18:01,167 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:18:01" (1/1) ...
[2024-11-24 01:18:01,190 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:18:01" (1/1) ...
[2024-11-24 01:18:01,232 INFO  L138                Inliner]: procedures = 57, calls = 102, calls flagged for inlining = 55, calls inlined = 99, statements flattened = 676
[2024-11-24 01:18:01,232 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-24 01:18:01,233 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-24 01:18:01,233 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-24 01:18:01,233 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2024-11-24 01:18:01,246 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:18:01" (1/1) ...
[2024-11-24 01:18:01,246 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:18:01" (1/1) ...
[2024-11-24 01:18:01,253 INFO  L184        PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:18:01" (1/1) ...
[2024-11-24 01:18:01,268 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].
[2024-11-24 01:18:01,268 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:18:01" (1/1) ...
[2024-11-24 01:18:01,268 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:18:01" (1/1) ...
[2024-11-24 01:18:01,278 INFO  L184        PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:18:01" (1/1) ...
[2024-11-24 01:18:01,279 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:18:01" (1/1) ...
[2024-11-24 01:18:01,291 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:18:01" (1/1) ...
[2024-11-24 01:18:01,293 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:18:01" (1/1) ...
[2024-11-24 01:18:01,295 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:18:01" (1/1) ...
[2024-11-24 01:18:01,302 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-24 01:18:01,307 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-24 01:18:01,307 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2024-11-24 01:18:01,307 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2024-11-24 01:18:01,308 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:18:01" (1/1) ...
[2024-11-24 01:18:01,320 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2024-11-24 01:18:01,350 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5d75f0a-d527-44a5-ba3e-58631ad04be9/bin/uautomizer-verify-LYvppIcaGC/z3
[2024-11-24 01:18:01,365 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5d75f0a-d527-44a5-ba3e-58631ad04be9/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2024-11-24 01:18:01,370 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5d75f0a-d527-44a5-ba3e-58631ad04be9/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process
[2024-11-24 01:18:01,400 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-24 01:18:01,400 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#0
[2024-11-24 01:18:01,400 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-24 01:18:01,401 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-24 01:18:01,493 INFO  L234             CfgBuilder]: Building ICFG
[2024-11-24 01:18:01,495 INFO  L260             CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-24 01:18:02,066 INFO  L?                        ?]: Removed 166 outVars from TransFormulas that were not future-live.
[2024-11-24 01:18:02,067 INFO  L283             CfgBuilder]: Performing block encoding
[2024-11-24 01:18:02,086 INFO  L307             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-24 01:18:02,087 INFO  L312             CfgBuilder]: Removed 4 assume(true) statements.
[2024-11-24 01:18:02,087 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 01:18:02 BoogieIcfgContainer
[2024-11-24 01:18:02,087 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-24 01:18:02,088 INFO  L112        PluginConnector]: ------------------------BuchiAutomizer----------------------------
[2024-11-24 01:18:02,088 INFO  L270        PluginConnector]: Initializing BuchiAutomizer...
[2024-11-24 01:18:02,112 INFO  L274        PluginConnector]: BuchiAutomizer initialized
[2024-11-24 01:18:02,113 INFO  L99          BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis
[2024-11-24 01:18:02,113 INFO  L184        PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 24.11 01:18:00" (1/3) ...
[2024-11-24 01:18:02,114 INFO  L204        PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@663fe690 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 24.11 01:18:02, skipping insertion in model container
[2024-11-24 01:18:02,114 INFO  L99          BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis
[2024-11-24 01:18:02,114 INFO  L184        PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:18:01" (2/3) ...
[2024-11-24 01:18:02,115 INFO  L204        PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@663fe690 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 24.11 01:18:02, skipping insertion in model container
[2024-11-24 01:18:02,115 INFO  L99          BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis
[2024-11-24 01:18:02,115 INFO  L184        PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 01:18:02" (3/3) ...
[2024-11-24 01:18:02,116 INFO  L363   chiAutomizerObserver]: Analyzing ICFG minepump_spec4_product58.cil.c
[2024-11-24 01:18:02,168 INFO  L300   stractBuchiCegarLoop]: Interprodecural is true
[2024-11-24 01:18:02,169 INFO  L301   stractBuchiCegarLoop]: Hoare is None
[2024-11-24 01:18:02,169 INFO  L302   stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates
[2024-11-24 01:18:02,169 INFO  L303   stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE
[2024-11-24 01:18:02,169 INFO  L304   stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2024-11-24 01:18:02,169 INFO  L305   stractBuchiCegarLoop]: Difference is false
[2024-11-24 01:18:02,170 INFO  L306   stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA
[2024-11-24 01:18:02,170 INFO  L310   stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ========
[2024-11-24 01:18:02,175 INFO  L72            BuchiIsEmpty]: Start buchiIsEmpty. Operand  has 188 states, 187 states have (on average 1.358288770053476) internal successors, (254), 187 states have internal predecessors, (254), 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)
[2024-11-24 01:18:02,198 INFO  L131   ngComponentsAnalysis]: Automaton has 2 accepting balls. 121
[2024-11-24 01:18:02,199 INFO  L87            BuchiIsEmpty]: Finished buchiIsEmpty Result is false
[2024-11-24 01:18:02,199 INFO  L119           BuchiIsEmpty]: Starting construction of run
[2024-11-24 01:18:02,208 INFO  L148   hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1]
[2024-11-24 01:18:02,209 INFO  L149   hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-24 01:18:02,209 INFO  L332   stractBuchiCegarLoop]: ======== Iteration 1 ============
[2024-11-24 01:18:02,210 INFO  L72            BuchiIsEmpty]: Start buchiIsEmpty. Operand  has 188 states, 187 states have (on average 1.358288770053476) internal successors, (254), 187 states have internal predecessors, (254), 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)
[2024-11-24 01:18:02,216 INFO  L131   ngComponentsAnalysis]: Automaton has 2 accepting balls. 121
[2024-11-24 01:18:02,217 INFO  L87            BuchiIsEmpty]: Finished buchiIsEmpty Result is false
[2024-11-24 01:18:02,217 INFO  L119           BuchiIsEmpty]: Starting construction of run
[2024-11-24 01:18:02,218 INFO  L148   hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1]
[2024-11-24 01:18:02,218 INFO  L149   hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-24 01:18:02,223 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);~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~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~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;" "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~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;" "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;" "assume 0 != main_~tmp~4#1;assume { :begin_inline_setup } true;" "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;" 
[2024-11-24 01:18:02,224 INFO  L749   eck$LassoCheckResult]: Loop: "assume test_~splverifierCounter~0#1 < 4;" "havoc test_#t~nondet50#1;test_~tmp~10#1 := test_#t~nondet50#1;havoc test_#t~nondet50#1;" "assume !(0 != test_~tmp~10#1);" "havoc test_#t~nondet51#1;test_~tmp___0~3#1 := test_#t~nondet51#1;havoc test_#t~nondet51#1;" "assume !(0 != test_~tmp___0~3#1);" "havoc test_#t~nondet52#1;test_~tmp___2~0#1 := test_#t~nondet52#1;havoc test_#t~nondet52#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___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;" "__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;" "assume !(0 == __utac_acc__Specification4_spec__1_~tmp~3#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;" "assume { :end_inline_timeShift } true;" 
[2024-11-24 01:18:02,229 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 01:18:02,229 INFO  L85        PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 1 times
[2024-11-24 01:18:02,237 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM
[2024-11-24 01:18:02,237 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1832738211]
[2024-11-24 01:18:02,237 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 01:18:02,238 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-24 01:18:02,328 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-24 01:18:02,328 INFO  L357             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-11-24 01:18:02,356 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-24 01:18:02,375 INFO  L130   FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace
[2024-11-24 01:18:02,378 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 01:18:02,378 INFO  L85        PathProgramCache]: Analyzing trace with hash -450919441, now seen corresponding path program 1 times
[2024-11-24 01:18:02,378 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM
[2024-11-24 01:18:02,379 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2118112245]
[2024-11-24 01:18:02,379 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 01:18:02,379 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-24 01:18:02,389 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 01:18:02,496 INFO  L136   FreeRefinementEngine]: Strategy CAMEL_NO_AM found an infeasible trace
[2024-11-24 01:18:02,497 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2118112245]
[2024-11-24 01:18:02,497 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2118112245] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-24 01:18:02,497 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1196741972]
[2024-11-24 01:18:02,497 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 01:18:02,497 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-24 01:18:02,497 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5d75f0a-d527-44a5-ba3e-58631ad04be9/bin/uautomizer-verify-LYvppIcaGC/z3
[2024-11-24 01:18:02,503 INFO  L229       MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5d75f0a-d527-44a5-ba3e-58631ad04be9/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-24 01:18:02,507 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5d75f0a-d527-44a5-ba3e-58631ad04be9/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process
[2024-11-24 01:18:02,565 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 01:18:02,569 INFO  L256         TraceCheckSpWp]: Trace formula consists of 28 conjuncts, 2 conjuncts are in the unsatisfiable core
[2024-11-24 01:18:02,570 INFO  L279         TraceCheckSpWp]: Computing forward predicates...
[2024-11-24 01:18:02,600 INFO  L312         TraceCheckSpWp]: Computing backward predicates...
[2024-11-24 01:18:02,624 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1196741972] provided 0 perfect and 2 imperfect interpolant sequences
[2024-11-24 01:18:02,624 INFO  L185   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-11-24 01:18:02,624 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 3
[2024-11-24 01:18:02,625 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2102227190]
[2024-11-24 01:18:02,626 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-11-24 01:18:02,630 INFO  L764   eck$LassoCheckResult]: loop already infeasible
[2024-11-24 01:18:02,631 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM
[2024-11-24 01:18:02,661 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-24 01:18:02,662 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-24 01:18:02,666 INFO  L87              Difference]: Start difference. First operand  has 188 states, 187 states have (on average 1.358288770053476) internal successors, (254), 187 states have internal predecessors, (254), 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 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 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)
[2024-11-24 01:18:02,729 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-24 01:18:02,731 INFO  L93              Difference]: Finished difference Result 182 states and 238 transitions.
[2024-11-24 01:18:02,732 INFO  L82        GeneralOperation]: Start removeNonLiveStates. Operand 182 states and 238 transitions.
[2024-11-24 01:18:02,741 INFO  L131   ngComponentsAnalysis]: Automaton has 2 accepting balls. 115
[2024-11-24 01:18:02,753 INFO  L88        GeneralOperation]: Finished removeNonLiveStates. Reduced from 182 states to 172 states and 227 transitions.
[2024-11-24 01:18:02,754 INFO  L87         BuchiClosureNwa]: Accepting states before buchiClosure: 172
[2024-11-24 01:18:02,756 INFO  L106        BuchiClosureNwa]: Accepting states after buchiClosure: 172
[2024-11-24 01:18:02,758 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 172 states and 227 transitions.
[2024-11-24 01:18:02,759 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2024-11-24 01:18:02,760 INFO  L218   hiAutomatonCegarLoop]: Abstraction has 172 states and 227 transitions.
[2024-11-24 01:18:02,776 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 172 states and 227 transitions.
[2024-11-24 01:18:02,798 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 172 to 172.
[2024-11-24 01:18:02,800 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 172 states, 172 states have (on average 1.319767441860465) internal successors, (227), 171 states have internal predecessors, (227), 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)
[2024-11-24 01:18:02,801 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 172 states and 227 transitions.
[2024-11-24 01:18:02,807 INFO  L240   hiAutomatonCegarLoop]: Abstraction has 172 states and 227 transitions.
[2024-11-24 01:18:02,808 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-11-24 01:18:02,812 INFO  L425   stractBuchiCegarLoop]: Abstraction has 172 states and 227 transitions.
[2024-11-24 01:18:02,812 INFO  L332   stractBuchiCegarLoop]: ======== Iteration 2 ============
[2024-11-24 01:18:02,812 INFO  L72            BuchiIsEmpty]: Start buchiIsEmpty. Operand 172 states and 227 transitions.
[2024-11-24 01:18:02,816 INFO  L131   ngComponentsAnalysis]: Automaton has 2 accepting balls. 115
[2024-11-24 01:18:02,818 INFO  L87            BuchiIsEmpty]: Finished buchiIsEmpty Result is false
[2024-11-24 01:18:02,818 INFO  L119           BuchiIsEmpty]: Starting construction of run
[2024-11-24 01:18:02,819 INFO  L148   hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1]
[2024-11-24 01:18:02,819 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]
[2024-11-24 01:18:02,819 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);~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~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~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;" "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~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;" "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;" "assume 0 != main_~tmp~4#1;assume { :begin_inline_setup } true;" "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;" 
[2024-11-24 01:18:02,819 INFO  L749   eck$LassoCheckResult]: Loop: "assume test_~splverifierCounter~0#1 < 4;" "havoc test_#t~nondet50#1;test_~tmp~10#1 := test_#t~nondet50#1;havoc test_#t~nondet50#1;" "assume !(0 != test_~tmp~10#1);" "havoc test_#t~nondet51#1;test_~tmp___0~3#1 := test_#t~nondet51#1;havoc test_#t~nondet51#1;" "assume !(0 != test_~tmp___0~3#1);" "havoc test_#t~nondet52#1;test_~tmp___2~0#1 := test_#t~nondet52#1;havoc test_#t~nondet52#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;havoc processEnvironment_#t~ret37#1, processEnvironment_~tmp~6#1;havoc processEnvironment_~tmp~6#1;" "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;" "assume !(0 == ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true;" "assume { :end_inline_processEnvironment__wrappee__base } true;" "havoc processEnvironment__wrappee__highWaterSensor_#t~ret36#1, processEnvironment__wrappee__highWaterSensor_~tmp~5#1;assume { :end_inline_processEnvironment__wrappee__highWaterSensor } true;" "havoc processEnvironment_#t~ret37#1, processEnvironment_~tmp~6#1;assume { :end_inline_processEnvironment } true;" "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;" "__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;" "assume !(0 == __utac_acc__Specification4_spec__1_~tmp~3#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;" "assume { :end_inline_timeShift } true;" 
[2024-11-24 01:18:02,820 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 01:18:02,820 INFO  L85        PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 2 times
[2024-11-24 01:18:02,820 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM
[2024-11-24 01:18:02,820 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [439540556]
[2024-11-24 01:18:02,820 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 01:18:02,820 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-24 01:18:02,846 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-24 01:18:02,846 INFO  L357             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-11-24 01:18:02,861 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-24 01:18:02,867 INFO  L130   FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace
[2024-11-24 01:18:02,871 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 01:18:02,871 INFO  L85        PathProgramCache]: Analyzing trace with hash 716404840, now seen corresponding path program 1 times
[2024-11-24 01:18:02,871 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM
[2024-11-24 01:18:02,871 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1314030666]
[2024-11-24 01:18:02,872 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 01:18:02,873 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-24 01:18:02,882 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 01:18:02,924 INFO  L136   FreeRefinementEngine]: Strategy CAMEL_NO_AM found an infeasible trace
[2024-11-24 01:18:02,925 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1314030666]
[2024-11-24 01:18:02,925 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1314030666] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-24 01:18:02,925 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1180355340]
[2024-11-24 01:18:02,925 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 01:18:02,925 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-24 01:18:02,925 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5d75f0a-d527-44a5-ba3e-58631ad04be9/bin/uautomizer-verify-LYvppIcaGC/z3
[2024-11-24 01:18:02,927 INFO  L229       MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5d75f0a-d527-44a5-ba3e-58631ad04be9/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-24 01:18:02,931 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5d75f0a-d527-44a5-ba3e-58631ad04be9/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process
[2024-11-24 01:18:02,983 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 01:18:02,984 INFO  L256         TraceCheckSpWp]: Trace formula consists of 33 conjuncts, 3 conjuncts are in the unsatisfiable core
[2024-11-24 01:18:02,984 INFO  L279         TraceCheckSpWp]: Computing forward predicates...
[2024-11-24 01:18:02,999 INFO  L312         TraceCheckSpWp]: Computing backward predicates...
[2024-11-24 01:18:03,010 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1180355340] provided 0 perfect and 2 imperfect interpolant sequences
[2024-11-24 01:18:03,010 INFO  L185   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-11-24 01:18:03,010 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 3
[2024-11-24 01:18:03,010 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [909642796]
[2024-11-24 01:18:03,010 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-11-24 01:18:03,011 INFO  L764   eck$LassoCheckResult]: loop already infeasible
[2024-11-24 01:18:03,011 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM
[2024-11-24 01:18:03,011 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-24 01:18:03,011 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-24 01:18:03,012 INFO  L87              Difference]: Start difference. First operand 172 states and 227 transitions. cyclomatic complexity: 57 Second operand  has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 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)
[2024-11-24 01:18:03,138 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-24 01:18:03,139 INFO  L93              Difference]: Finished difference Result 232 states and 294 transitions.
[2024-11-24 01:18:03,139 INFO  L82        GeneralOperation]: Start removeNonLiveStates. Operand 232 states and 294 transitions.
[2024-11-24 01:18:03,142 INFO  L131   ngComponentsAnalysis]: Automaton has 2 accepting balls. 160
[2024-11-24 01:18:03,145 INFO  L88        GeneralOperation]: Finished removeNonLiveStates. Reduced from 232 states to 232 states and 294 transitions.
[2024-11-24 01:18:03,146 INFO  L87         BuchiClosureNwa]: Accepting states before buchiClosure: 232
[2024-11-24 01:18:03,150 INFO  L106        BuchiClosureNwa]: Accepting states after buchiClosure: 232
[2024-11-24 01:18:03,150 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 232 states and 294 transitions.
[2024-11-24 01:18:03,151 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2024-11-24 01:18:03,151 INFO  L218   hiAutomatonCegarLoop]: Abstraction has 232 states and 294 transitions.
[2024-11-24 01:18:03,151 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 232 states and 294 transitions.
[2024-11-24 01:18:03,166 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 232 to 232.
[2024-11-24 01:18:03,166 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 232 states, 232 states have (on average 1.2672413793103448) internal successors, (294), 231 states have internal predecessors, (294), 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)
[2024-11-24 01:18:03,169 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 232 states and 294 transitions.
[2024-11-24 01:18:03,170 INFO  L240   hiAutomatonCegarLoop]: Abstraction has 232 states and 294 transitions.
[2024-11-24 01:18:03,173 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-11-24 01:18:03,174 INFO  L425   stractBuchiCegarLoop]: Abstraction has 232 states and 294 transitions.
[2024-11-24 01:18:03,174 INFO  L332   stractBuchiCegarLoop]: ======== Iteration 3 ============
[2024-11-24 01:18:03,174 INFO  L72            BuchiIsEmpty]: Start buchiIsEmpty. Operand 232 states and 294 transitions.
[2024-11-24 01:18:03,176 INFO  L131   ngComponentsAnalysis]: Automaton has 2 accepting balls. 160
[2024-11-24 01:18:03,179 INFO  L87            BuchiIsEmpty]: Finished buchiIsEmpty Result is false
[2024-11-24 01:18:03,179 INFO  L119           BuchiIsEmpty]: Starting construction of run
[2024-11-24 01:18:03,180 INFO  L148   hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1]
[2024-11-24 01:18:03,180 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]
[2024-11-24 01:18:03,180 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);~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~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~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;" "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~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;" "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;" "assume 0 != main_~tmp~4#1;assume { :begin_inline_setup } true;" "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;" 
[2024-11-24 01:18:03,180 INFO  L749   eck$LassoCheckResult]: Loop: "assume test_~splverifierCounter~0#1 < 4;" "havoc test_#t~nondet50#1;test_~tmp~10#1 := test_#t~nondet50#1;havoc test_#t~nondet50#1;" "assume !(0 != test_~tmp~10#1);" "havoc test_#t~nondet51#1;test_~tmp___0~3#1 := test_#t~nondet51#1;havoc test_#t~nondet51#1;" "assume !(0 != test_~tmp___0~3#1);" "havoc test_#t~nondet52#1;test_~tmp___2~0#1 := test_#t~nondet52#1;havoc test_#t~nondet52#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;havoc processEnvironment_#t~ret37#1, processEnvironment_~tmp~6#1;havoc processEnvironment_~tmp~6#1;" "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;" "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;" "assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~5#1 := 1;isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~5#1;" "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;" "assume !(0 != isHighWaterLevel_~tmp~8#1);isHighWaterLevel_~tmp___0~1#1 := 1;" "isHighWaterLevel_~retValue_acc~12#1 := isHighWaterLevel_~tmp___0~1#1;isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~12#1;" "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;" "assume !(0 != processEnvironment__wrappee__highWaterSensor_~tmp~5#1);assume { :begin_inline_processEnvironment__wrappee__base } true;" "assume { :end_inline_processEnvironment__wrappee__base } true;" "havoc processEnvironment__wrappee__highWaterSensor_#t~ret36#1, processEnvironment__wrappee__highWaterSensor_~tmp~5#1;assume { :end_inline_processEnvironment__wrappee__highWaterSensor } true;" "havoc processEnvironment_#t~ret37#1, processEnvironment_~tmp~6#1;assume { :end_inline_processEnvironment } true;" "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;" "__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;" "assume !(0 == __utac_acc__Specification4_spec__1_~tmp~3#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;" "assume { :end_inline_timeShift } true;" 
[2024-11-24 01:18:03,181 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 01:18:03,181 INFO  L85        PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 3 times
[2024-11-24 01:18:03,181 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM
[2024-11-24 01:18:03,181 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [648717132]
[2024-11-24 01:18:03,181 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 01:18:03,181 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-24 01:18:03,200 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-24 01:18:03,207 INFO  L357             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-11-24 01:18:03,221 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-24 01:18:03,224 INFO  L130   FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace
[2024-11-24 01:18:03,226 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 01:18:03,228 INFO  L85        PathProgramCache]: Analyzing trace with hash 72458974, now seen corresponding path program 1 times
[2024-11-24 01:18:03,228 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM
[2024-11-24 01:18:03,229 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [887472255]
[2024-11-24 01:18:03,229 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 01:18:03,229 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-24 01:18:03,251 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 01:18:03,319 INFO  L136   FreeRefinementEngine]: Strategy CAMEL_NO_AM found an infeasible trace
[2024-11-24 01:18:03,320 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [887472255]
[2024-11-24 01:18:03,320 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [887472255] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-24 01:18:03,320 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [89771915]
[2024-11-24 01:18:03,320 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 01:18:03,320 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-24 01:18:03,320 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5d75f0a-d527-44a5-ba3e-58631ad04be9/bin/uautomizer-verify-LYvppIcaGC/z3
[2024-11-24 01:18:03,326 INFO  L229       MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5d75f0a-d527-44a5-ba3e-58631ad04be9/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-24 01:18:03,328 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5d75f0a-d527-44a5-ba3e-58631ad04be9/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process
[2024-11-24 01:18:03,386 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 01:18:03,387 INFO  L256         TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 4 conjuncts are in the unsatisfiable core
[2024-11-24 01:18:03,388 INFO  L279         TraceCheckSpWp]: Computing forward predicates...
[2024-11-24 01:18:03,432 INFO  L312         TraceCheckSpWp]: Computing backward predicates...
[2024-11-24 01:18:03,461 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [89771915] provided 0 perfect and 2 imperfect interpolant sequences
[2024-11-24 01:18:03,461 INFO  L185   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-11-24 01:18:03,461 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 6
[2024-11-24 01:18:03,462 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [922355294]
[2024-11-24 01:18:03,462 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-11-24 01:18:03,463 INFO  L764   eck$LassoCheckResult]: loop already infeasible
[2024-11-24 01:18:03,496 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM
[2024-11-24 01:18:03,497 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-11-24 01:18:03,497 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30
[2024-11-24 01:18:03,497 INFO  L87              Difference]: Start difference. First operand 232 states and 294 transitions. cyclomatic complexity: 64 Second operand  has 6 states, 6 states have (on average 5.0) internal successors, (30), 6 states have internal predecessors, (30), 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)
[2024-11-24 01:18:03,641 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-24 01:18:03,641 INFO  L93              Difference]: Finished difference Result 244 states and 306 transitions.
[2024-11-24 01:18:03,641 INFO  L82        GeneralOperation]: Start removeNonLiveStates. Operand 244 states and 306 transitions.
[2024-11-24 01:18:03,644 INFO  L131   ngComponentsAnalysis]: Automaton has 2 accepting balls. 168
[2024-11-24 01:18:03,646 INFO  L88        GeneralOperation]: Finished removeNonLiveStates. Reduced from 244 states to 244 states and 306 transitions.
[2024-11-24 01:18:03,646 INFO  L87         BuchiClosureNwa]: Accepting states before buchiClosure: 244
[2024-11-24 01:18:03,647 INFO  L106        BuchiClosureNwa]: Accepting states after buchiClosure: 244
[2024-11-24 01:18:03,647 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 244 states and 306 transitions.
[2024-11-24 01:18:03,648 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2024-11-24 01:18:03,648 INFO  L218   hiAutomatonCegarLoop]: Abstraction has 244 states and 306 transitions.
[2024-11-24 01:18:03,652 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 244 states and 306 transitions.
[2024-11-24 01:18:03,660 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 244 to 244.
[2024-11-24 01:18:03,661 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 244 states, 244 states have (on average 1.2540983606557377) internal successors, (306), 243 states have internal predecessors, (306), 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)
[2024-11-24 01:18:03,666 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 244 states and 306 transitions.
[2024-11-24 01:18:03,666 INFO  L240   hiAutomatonCegarLoop]: Abstraction has 244 states and 306 transitions.
[2024-11-24 01:18:03,667 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-24 01:18:03,667 INFO  L425   stractBuchiCegarLoop]: Abstraction has 244 states and 306 transitions.
[2024-11-24 01:18:03,667 INFO  L332   stractBuchiCegarLoop]: ======== Iteration 4 ============
[2024-11-24 01:18:03,668 INFO  L72            BuchiIsEmpty]: Start buchiIsEmpty. Operand 244 states and 306 transitions.
[2024-11-24 01:18:03,669 INFO  L131   ngComponentsAnalysis]: Automaton has 2 accepting balls. 168
[2024-11-24 01:18:03,669 INFO  L87            BuchiIsEmpty]: Finished buchiIsEmpty Result is false
[2024-11-24 01:18:03,669 INFO  L119           BuchiIsEmpty]: Starting construction of run
[2024-11-24 01:18:03,670 INFO  L148   hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1]
[2024-11-24 01:18:03,670 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]
[2024-11-24 01:18:03,670 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);~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~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~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;" "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~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;" "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;" "assume 0 != main_~tmp~4#1;assume { :begin_inline_setup } true;" "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;" 
[2024-11-24 01:18:03,672 INFO  L749   eck$LassoCheckResult]: Loop: "assume test_~splverifierCounter~0#1 < 4;" "havoc test_#t~nondet50#1;test_~tmp~10#1 := test_#t~nondet50#1;havoc test_#t~nondet50#1;" "assume !(0 != test_~tmp~10#1);" "havoc test_#t~nondet51#1;test_~tmp___0~3#1 := test_#t~nondet51#1;havoc test_#t~nondet51#1;" "assume !(0 != test_~tmp___0~3#1);" "havoc test_#t~nondet52#1;test_~tmp___2~0#1 := test_#t~nondet52#1;havoc test_#t~nondet52#1;" "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;" "assume 0 != test_~tmp___1~0#1;" "assume { :begin_inline_timeShift } true;" "assume !(0 != ~pumpRunning~0);" "assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret37#1, processEnvironment_~tmp~6#1;havoc processEnvironment_~tmp~6#1;" "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;" "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;" "assume !(~waterLevel~0 < 2);isHighWaterSensorDry_~retValue_acc~5#1 := 0;isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~5#1;" "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;" "assume !(0 != isHighWaterLevel_~tmp~8#1);isHighWaterLevel_~tmp___0~1#1 := 1;" "isHighWaterLevel_~retValue_acc~12#1 := isHighWaterLevel_~tmp___0~1#1;isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~12#1;" "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;" "assume !(0 != processEnvironment__wrappee__highWaterSensor_~tmp~5#1);assume { :begin_inline_processEnvironment__wrappee__base } true;" "assume { :end_inline_processEnvironment__wrappee__base } true;" "havoc processEnvironment__wrappee__highWaterSensor_#t~ret36#1, processEnvironment__wrappee__highWaterSensor_~tmp~5#1;assume { :end_inline_processEnvironment__wrappee__highWaterSensor } true;" "havoc processEnvironment_#t~ret37#1, processEnvironment_~tmp~6#1;assume { :end_inline_processEnvironment } true;" "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;" "__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;" "assume !(0 == __utac_acc__Specification4_spec__1_~tmp~3#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;" "assume { :end_inline_timeShift } true;" 
[2024-11-24 01:18:03,672 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 01:18:03,672 INFO  L85        PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 4 times
[2024-11-24 01:18:03,673 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM
[2024-11-24 01:18:03,673 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1673300882]
[2024-11-24 01:18:03,673 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 01:18:03,673 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-24 01:18:03,685 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-24 01:18:03,688 INFO  L357             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-11-24 01:18:03,698 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-24 01:18:03,704 INFO  L130   FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace
[2024-11-24 01:18:03,704 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 01:18:03,705 INFO  L85        PathProgramCache]: Analyzing trace with hash -2137375749, now seen corresponding path program 1 times
[2024-11-24 01:18:03,705 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM
[2024-11-24 01:18:03,705 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [922637066]
[2024-11-24 01:18:03,705 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 01:18:03,705 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-24 01:18:03,719 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 01:18:03,792 INFO  L136   FreeRefinementEngine]: Strategy CAMEL_NO_AM found an infeasible trace
[2024-11-24 01:18:03,792 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [922637066]
[2024-11-24 01:18:03,792 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [922637066] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-24 01:18:03,792 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [810468419]
[2024-11-24 01:18:03,793 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 01:18:03,793 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-24 01:18:03,793 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5d75f0a-d527-44a5-ba3e-58631ad04be9/bin/uautomizer-verify-LYvppIcaGC/z3
[2024-11-24 01:18:03,795 INFO  L229       MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5d75f0a-d527-44a5-ba3e-58631ad04be9/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-24 01:18:03,798 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5d75f0a-d527-44a5-ba3e-58631ad04be9/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process
[2024-11-24 01:18:03,856 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 01:18:03,858 INFO  L256         TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 5 conjuncts are in the unsatisfiable core
[2024-11-24 01:18:03,860 INFO  L279         TraceCheckSpWp]: Computing forward predicates...
[2024-11-24 01:18:03,873 INFO  L312         TraceCheckSpWp]: Computing backward predicates...
[2024-11-24 01:18:03,899 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [810468419] provided 0 perfect and 2 imperfect interpolant sequences
[2024-11-24 01:18:03,899 INFO  L185   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-11-24 01:18:03,899 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 5
[2024-11-24 01:18:03,900 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [455850850]
[2024-11-24 01:18:03,900 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-11-24 01:18:03,900 INFO  L764   eck$LassoCheckResult]: loop already infeasible
[2024-11-24 01:18:03,900 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM
[2024-11-24 01:18:03,901 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-24 01:18:03,901 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-11-24 01:18:03,901 INFO  L87              Difference]: Start difference. First operand 244 states and 306 transitions. cyclomatic complexity: 64 Second operand  has 5 states, 5 states have (on average 5.4) internal successors, (27), 5 states have internal predecessors, (27), 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)
[2024-11-24 01:18:04,049 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-24 01:18:04,050 INFO  L93              Difference]: Finished difference Result 262 states and 324 transitions.
[2024-11-24 01:18:04,050 INFO  L82        GeneralOperation]: Start removeNonLiveStates. Operand 262 states and 324 transitions.
[2024-11-24 01:18:04,052 INFO  L131   ngComponentsAnalysis]: Automaton has 2 accepting balls. 180
[2024-11-24 01:18:04,054 INFO  L88        GeneralOperation]: Finished removeNonLiveStates. Reduced from 262 states to 262 states and 324 transitions.
[2024-11-24 01:18:04,054 INFO  L87         BuchiClosureNwa]: Accepting states before buchiClosure: 262
[2024-11-24 01:18:04,054 INFO  L106        BuchiClosureNwa]: Accepting states after buchiClosure: 262
[2024-11-24 01:18:04,055 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 262 states and 324 transitions.
[2024-11-24 01:18:04,056 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2024-11-24 01:18:04,057 INFO  L218   hiAutomatonCegarLoop]: Abstraction has 262 states and 324 transitions.
[2024-11-24 01:18:04,057 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 262 states and 324 transitions.
[2024-11-24 01:18:04,066 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 262 to 262.
[2024-11-24 01:18:04,067 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 262 states, 262 states have (on average 1.2366412213740459) internal successors, (324), 261 states have internal predecessors, (324), 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)
[2024-11-24 01:18:04,071 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 262 states and 324 transitions.
[2024-11-24 01:18:04,071 INFO  L240   hiAutomatonCegarLoop]: Abstraction has 262 states and 324 transitions.
[2024-11-24 01:18:04,075 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2024-11-24 01:18:04,076 INFO  L425   stractBuchiCegarLoop]: Abstraction has 262 states and 324 transitions.
[2024-11-24 01:18:04,076 INFO  L332   stractBuchiCegarLoop]: ======== Iteration 5 ============
[2024-11-24 01:18:04,076 INFO  L72            BuchiIsEmpty]: Start buchiIsEmpty. Operand 262 states and 324 transitions.
[2024-11-24 01:18:04,078 INFO  L131   ngComponentsAnalysis]: Automaton has 2 accepting balls. 180
[2024-11-24 01:18:04,078 INFO  L87            BuchiIsEmpty]: Finished buchiIsEmpty Result is false
[2024-11-24 01:18:04,078 INFO  L119           BuchiIsEmpty]: Starting construction of run
[2024-11-24 01:18:04,079 INFO  L148   hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1]
[2024-11-24 01:18:04,079 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]
[2024-11-24 01:18:04,079 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);~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~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~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;" "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~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;" "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;" "assume 0 != main_~tmp~4#1;assume { :begin_inline_setup } true;" "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;" 
[2024-11-24 01:18:04,079 INFO  L749   eck$LassoCheckResult]: Loop: "assume test_~splverifierCounter~0#1 < 4;" "havoc test_#t~nondet50#1;test_~tmp~10#1 := test_#t~nondet50#1;havoc test_#t~nondet50#1;" "assume !(0 != test_~tmp~10#1);" "havoc test_#t~nondet51#1;test_~tmp___0~3#1 := test_#t~nondet51#1;havoc test_#t~nondet51#1;" "assume !(0 != test_~tmp___0~3#1);" "havoc test_#t~nondet52#1;test_~tmp___2~0#1 := test_#t~nondet52#1;havoc test_#t~nondet52#1;" "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;" "assume 0 != test_~tmp___1~0#1;" "assume { :begin_inline_timeShift } true;" "assume !(0 != ~pumpRunning~0);" "assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret37#1, processEnvironment_~tmp~6#1;havoc processEnvironment_~tmp~6#1;" "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;" "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;" "assume !(~waterLevel~0 < 2);isHighWaterSensorDry_~retValue_acc~5#1 := 0;isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~5#1;" "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;" "assume 0 != isHighWaterLevel_~tmp~8#1;isHighWaterLevel_~tmp___0~1#1 := 0;" "isHighWaterLevel_~retValue_acc~12#1 := isHighWaterLevel_~tmp___0~1#1;isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~12#1;" "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;" "assume !(0 != processEnvironment__wrappee__highWaterSensor_~tmp~5#1);assume { :begin_inline_processEnvironment__wrappee__base } true;" "assume { :end_inline_processEnvironment__wrappee__base } true;" "havoc processEnvironment__wrappee__highWaterSensor_#t~ret36#1, processEnvironment__wrappee__highWaterSensor_~tmp~5#1;assume { :end_inline_processEnvironment__wrappee__highWaterSensor } true;" "havoc processEnvironment_#t~ret37#1, processEnvironment_~tmp~6#1;assume { :end_inline_processEnvironment } true;" "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;" "__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;" "assume !(0 == __utac_acc__Specification4_spec__1_~tmp~3#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;" "assume { :end_inline_timeShift } true;" 
[2024-11-24 01:18:04,080 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 01:18:04,080 INFO  L85        PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 5 times
[2024-11-24 01:18:04,080 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM
[2024-11-24 01:18:04,080 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1560348824]
[2024-11-24 01:18:04,080 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 01:18:04,080 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-24 01:18:04,096 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-24 01:18:04,096 INFO  L357             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-11-24 01:18:04,104 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-24 01:18:04,110 INFO  L130   FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace
[2024-11-24 01:18:04,110 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 01:18:04,110 INFO  L85        PathProgramCache]: Analyzing trace with hash 1899426109, now seen corresponding path program 1 times
[2024-11-24 01:18:04,110 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM
[2024-11-24 01:18:04,110 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1899119462]
[2024-11-24 01:18:04,111 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 01:18:04,111 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-24 01:18:04,121 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 01:18:04,169 INFO  L136   FreeRefinementEngine]: Strategy CAMEL_NO_AM found an infeasible trace
[2024-11-24 01:18:04,169 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1899119462]
[2024-11-24 01:18:04,169 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1899119462] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-24 01:18:04,169 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [363892545]
[2024-11-24 01:18:04,169 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 01:18:04,169 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-24 01:18:04,169 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5d75f0a-d527-44a5-ba3e-58631ad04be9/bin/uautomizer-verify-LYvppIcaGC/z3
[2024-11-24 01:18:04,171 INFO  L229       MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5d75f0a-d527-44a5-ba3e-58631ad04be9/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-24 01:18:04,173 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5d75f0a-d527-44a5-ba3e-58631ad04be9/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process
[2024-11-24 01:18:04,225 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 01:18:04,226 INFO  L256         TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 7 conjuncts are in the unsatisfiable core
[2024-11-24 01:18:04,227 INFO  L279         TraceCheckSpWp]: Computing forward predicates...
[2024-11-24 01:18:04,241 INFO  L312         TraceCheckSpWp]: Computing backward predicates...
[2024-11-24 01:18:04,249 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [363892545] provided 0 perfect and 2 imperfect interpolant sequences
[2024-11-24 01:18:04,249 INFO  L185   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-11-24 01:18:04,250 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 4
[2024-11-24 01:18:04,250 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [489595429]
[2024-11-24 01:18:04,250 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-11-24 01:18:04,250 INFO  L764   eck$LassoCheckResult]: loop already infeasible
[2024-11-24 01:18:04,250 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM
[2024-11-24 01:18:04,250 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-24 01:18:04,250 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-24 01:18:04,251 INFO  L87              Difference]: Start difference. First operand 262 states and 324 transitions. cyclomatic complexity: 64 Second operand  has 4 states, 4 states have (on average 6.75) internal successors, (27), 4 states have internal predecessors, (27), 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)
[2024-11-24 01:18:04,345 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-24 01:18:04,345 INFO  L93              Difference]: Finished difference Result 262 states and 318 transitions.
[2024-11-24 01:18:04,345 INFO  L82        GeneralOperation]: Start removeNonLiveStates. Operand 262 states and 318 transitions.
[2024-11-24 01:18:04,347 INFO  L131   ngComponentsAnalysis]: Automaton has 2 accepting balls. 180
[2024-11-24 01:18:04,350 INFO  L88        GeneralOperation]: Finished removeNonLiveStates. Reduced from 262 states to 262 states and 318 transitions.
[2024-11-24 01:18:04,350 INFO  L87         BuchiClosureNwa]: Accepting states before buchiClosure: 262
[2024-11-24 01:18:04,350 INFO  L106        BuchiClosureNwa]: Accepting states after buchiClosure: 262
[2024-11-24 01:18:04,350 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 262 states and 318 transitions.
[2024-11-24 01:18:04,351 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2024-11-24 01:18:04,351 INFO  L218   hiAutomatonCegarLoop]: Abstraction has 262 states and 318 transitions.
[2024-11-24 01:18:04,352 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 262 states and 318 transitions.
[2024-11-24 01:18:04,356 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 262 to 262.
[2024-11-24 01:18:04,357 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 262 states, 262 states have (on average 1.213740458015267) internal successors, (318), 261 states have internal predecessors, (318), 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)
[2024-11-24 01:18:04,362 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 262 states and 318 transitions.
[2024-11-24 01:18:04,363 INFO  L240   hiAutomatonCegarLoop]: Abstraction has 262 states and 318 transitions.
[2024-11-24 01:18:04,363 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-24 01:18:04,364 INFO  L425   stractBuchiCegarLoop]: Abstraction has 262 states and 318 transitions.
[2024-11-24 01:18:04,364 INFO  L332   stractBuchiCegarLoop]: ======== Iteration 6 ============
[2024-11-24 01:18:04,364 INFO  L72            BuchiIsEmpty]: Start buchiIsEmpty. Operand 262 states and 318 transitions.
[2024-11-24 01:18:04,365 INFO  L131   ngComponentsAnalysis]: Automaton has 2 accepting balls. 180
[2024-11-24 01:18:04,365 INFO  L87            BuchiIsEmpty]: Finished buchiIsEmpty Result is false
[2024-11-24 01:18:04,365 INFO  L119           BuchiIsEmpty]: Starting construction of run
[2024-11-24 01:18:04,366 INFO  L148   hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1]
[2024-11-24 01:18:04,366 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]
[2024-11-24 01:18:04,369 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);~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~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~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;" "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~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;" "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;" "assume 0 != main_~tmp~4#1;assume { :begin_inline_setup } true;" "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;" 
[2024-11-24 01:18:04,369 INFO  L749   eck$LassoCheckResult]: Loop: "assume test_~splverifierCounter~0#1 < 4;" "havoc test_#t~nondet50#1;test_~tmp~10#1 := test_#t~nondet50#1;havoc test_#t~nondet50#1;" "assume !(0 != test_~tmp~10#1);" "havoc test_#t~nondet51#1;test_~tmp___0~3#1 := test_#t~nondet51#1;havoc test_#t~nondet51#1;" "assume !(0 != test_~tmp___0~3#1);" "havoc test_#t~nondet52#1;test_~tmp___2~0#1 := test_#t~nondet52#1;havoc test_#t~nondet52#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;havoc processEnvironment_#t~ret37#1, processEnvironment_~tmp~6#1;havoc processEnvironment_~tmp~6#1;" "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;" "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;" "assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~5#1 := 1;isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~5#1;" "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;" "assume 0 != isHighWaterLevel_~tmp~8#1;isHighWaterLevel_~tmp___0~1#1 := 0;" "isHighWaterLevel_~retValue_acc~12#1 := isHighWaterLevel_~tmp___0~1#1;isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~12#1;" "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;" "assume !(0 != processEnvironment__wrappee__highWaterSensor_~tmp~5#1);assume { :begin_inline_processEnvironment__wrappee__base } true;" "assume { :end_inline_processEnvironment__wrappee__base } true;" "havoc processEnvironment__wrappee__highWaterSensor_#t~ret36#1, processEnvironment__wrappee__highWaterSensor_~tmp~5#1;assume { :end_inline_processEnvironment__wrappee__highWaterSensor } true;" "havoc processEnvironment_#t~ret37#1, processEnvironment_~tmp~6#1;assume { :end_inline_processEnvironment } true;" "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;" "__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;" "assume !(0 == __utac_acc__Specification4_spec__1_~tmp~3#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;" "assume { :end_inline_timeShift } true;" 
[2024-11-24 01:18:04,370 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 01:18:04,370 INFO  L85        PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 6 times
[2024-11-24 01:18:04,370 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM
[2024-11-24 01:18:04,370 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [479275300]
[2024-11-24 01:18:04,370 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 01:18:04,370 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-24 01:18:04,377 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-24 01:18:04,377 INFO  L357             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-11-24 01:18:04,381 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-24 01:18:04,383 INFO  L130   FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace
[2024-11-24 01:18:04,384 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 01:18:04,384 INFO  L85        PathProgramCache]: Analyzing trace with hash -185706464, now seen corresponding path program 1 times
[2024-11-24 01:18:04,384 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM
[2024-11-24 01:18:04,384 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [366558667]
[2024-11-24 01:18:04,384 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 01:18:04,384 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-24 01:18:04,391 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-24 01:18:04,391 INFO  L357             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-11-24 01:18:04,399 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-24 01:18:04,402 INFO  L130   FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace
[2024-11-24 01:18:04,407 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 01:18:04,407 INFO  L85        PathProgramCache]: Analyzing trace with hash 189581276, now seen corresponding path program 1 times
[2024-11-24 01:18:04,407 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM
[2024-11-24 01:18:04,407 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1757631555]
[2024-11-24 01:18:04,407 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 01:18:04,407 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-24 01:18:04,428 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-24 01:18:04,428 INFO  L357             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-11-24 01:18:04,438 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-24 01:18:04,447 INFO  L130   FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace
[2024-11-24 01:18:05,600 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-24 01:18:05,601 INFO  L357             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-11-24 01:18:05,612 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-24 01:18:05,687 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 24.11 01:18:05 BoogieIcfgContainer
[2024-11-24 01:18:05,689 INFO  L131        PluginConnector]: ------------------------ END BuchiAutomizer----------------------------
[2024-11-24 01:18:05,690 INFO  L112        PluginConnector]: ------------------------Witness Printer----------------------------
[2024-11-24 01:18:05,690 INFO  L270        PluginConnector]: Initializing Witness Printer...
[2024-11-24 01:18:05,690 INFO  L274        PluginConnector]: Witness Printer initialized
[2024-11-24 01:18:05,691 INFO  L184        PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 01:18:02" (3/4) ...
[2024-11-24 01:18:05,692 INFO  L143         WitnessPrinter]: Generating witness for non-termination counterexample
[2024-11-24 01:18:05,752 INFO  L149         WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5d75f0a-d527-44a5-ba3e-58631ad04be9/bin/uautomizer-verify-LYvppIcaGC/witness.graphml
[2024-11-24 01:18:05,752 INFO  L131        PluginConnector]: ------------------------ END Witness Printer----------------------------
[2024-11-24 01:18:05,753 INFO  L158              Benchmark]: Toolchain (without parser) took 5142.02ms. Allocated memory is still 117.4MB. Free memory was 92.3MB in the beginning and 82.7MB in the end (delta: 9.6MB). Peak memory consumption was 9.6MB. Max. memory is 16.1GB.
[2024-11-24 01:18:05,753 INFO  L158              Benchmark]: CDTParser took 0.38ms. Allocated memory is still 117.4MB. Free memory is still 74.0MB. There was no memory consumed. Max. memory is 16.1GB.
[2024-11-24 01:18:05,754 INFO  L158              Benchmark]: CACSL2BoogieTranslator took 543.21ms. Allocated memory is still 117.4MB. Free memory was 92.1MB in the beginning and 73.2MB in the end (delta: 18.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-11-24 01:18:05,754 INFO  L158              Benchmark]: Boogie Procedure Inliner took 75.64ms. Allocated memory is still 117.4MB. Free memory was 73.2MB in the beginning and 70.1MB in the end (delta: 3.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-11-24 01:18:05,754 INFO  L158              Benchmark]: Boogie Preprocessor took 73.57ms. Allocated memory is still 117.4MB. Free memory was 70.1MB in the beginning and 66.9MB in the end (delta: 3.2MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-11-24 01:18:05,754 INFO  L158              Benchmark]: RCFGBuilder took 780.21ms. Allocated memory is still 117.4MB. Free memory was 66.9MB in the beginning and 38.6MB in the end (delta: 28.3MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB.
[2024-11-24 01:18:05,755 INFO  L158              Benchmark]: BuchiAutomizer took 3600.93ms. Allocated memory is still 117.4MB. Free memory was 38.4MB in the beginning and 84.8MB in the end (delta: -46.4MB). Peak memory consumption was 26.4MB. Max. memory is 16.1GB.
[2024-11-24 01:18:05,755 INFO  L158              Benchmark]: Witness Printer took 62.30ms. Allocated memory is still 117.4MB. Free memory was 84.8MB in the beginning and 82.7MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-11-24 01:18:05,760 INFO  L338   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.38ms. Allocated memory is still 117.4MB. Free memory is still 74.0MB. There was no memory consumed. Max. memory is 16.1GB.
 * CACSL2BoogieTranslator took 543.21ms. Allocated memory is still 117.4MB. Free memory was 92.1MB in the beginning and 73.2MB in the end (delta: 18.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
 * Boogie Procedure Inliner took 75.64ms. Allocated memory is still 117.4MB. Free memory was 73.2MB in the beginning and 70.1MB in the end (delta: 3.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
 * Boogie Preprocessor took 73.57ms. Allocated memory is still 117.4MB. Free memory was 70.1MB in the beginning and 66.9MB in the end (delta: 3.2MB). There was no memory consumed. Max. memory is 16.1GB.
 * RCFGBuilder took 780.21ms. Allocated memory is still 117.4MB. Free memory was 66.9MB in the beginning and 38.6MB in the end (delta: 28.3MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB.
 * BuchiAutomizer took 3600.93ms. Allocated memory is still 117.4MB. Free memory was 38.4MB in the beginning and 84.8MB in the end (delta: -46.4MB). Peak memory consumption was 26.4MB. Max. memory is 16.1GB.
 * Witness Printer took 62.30ms. Allocated memory is still 117.4MB. Free memory was 84.8MB in the beginning and 82.7MB in the end (delta: 2.1MB). 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,"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 5 terminating modules (5 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.5 modules have a trivial ranking function, the largest among these consists of 6 locations. The remainder module has 262 locations.
  - StatisticsResult: Timing statistics
    BüchiAutomizer plugin needed 3.4s and 6 iterations.  TraceHistogramMax:1. Analysis of lassos took 2.5s. Construction of modules took 0.3s. Büchi inclusion checks took 0.4s. Highest rank in rank-based complementation 0. Minimization of det autom 5. Minimization of nondet autom 0. Automata minimization 0.1s AutomataMinimizationTime, 5 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, 393 SdHoareTripleChecker+Valid, 0.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 393 mSDsluCounter, 2735 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1642 mSDsCounter, 78 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 329 IncrementalHoareTripleChecker+Invalid, 407 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 78 mSolverCounterUnsat, 1093 mSDtfsCounter, 329 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown	LassoAnalysisResults: nont1 unkn0 SFLI5 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: 939]: 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, 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:
[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 TRUE   \read(tmp___2)
[L969]  CALL        startSystem()
[L922]              systemActive = 1
[L969]  RET         startSystem()
[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: 939]: 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, 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:
[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 TRUE   \read(tmp___2)
[L969]  CALL        startSystem()
[L922]              systemActive = 1
[L969]  RET         startSystem()
[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!
[2024-11-24 01:18:05,781 INFO  L552       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5d75f0a-d527-44a5-ba3e-58631ad04be9/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0
[2024-11-24 01:18:05,977 INFO  L540       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5d75f0a-d527-44a5-ba3e-58631ad04be9/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0
[2024-11-24 01:18:06,177 INFO  L552       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5d75f0a-d527-44a5-ba3e-58631ad04be9/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0
[2024-11-24 01:18:06,377 INFO  L540       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5d75f0a-d527-44a5-ba3e-58631ad04be9/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0
[2024-11-24 01:18:06,578 INFO  L552       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5d75f0a-d527-44a5-ba3e-58631ad04be9/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0
[2024-11-24 01:18:06,779 INFO  L540       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5d75f0a-d527-44a5-ba3e-58631ad04be9/bin/uautomizer-verify-LYvppIcaGC/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)