./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product16.cil.c --full-output --architecture 32bit


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


Checking for termination
Using default analysis
Version d790fecc
Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d86dca3-348f-422a-9a74-452e1fb7c485/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d86dca3-348f-422a-9a74-452e1fb7c485/bin/uautomizer-verify-84ZbGMXZE1/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d86dca3-348f-422a-9a74-452e1fb7c485/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d86dca3-348f-422a-9a74-452e1fb7c485/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product16.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d86dca3-348f-422a-9a74-452e1fb7c485/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d86dca3-348f-422a-9a74-452e1fb7c485/bin/uautomizer-verify-84ZbGMXZE1 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) )

 --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 4fdaba9a943be1a84417ec0186b85075ad2a6a54eeb9563391984670e62b2cee
--- Real Ultimate output ---
This is Ultimate 0.3.0-dev-d790fec
[2024-12-02 14:48:31,654 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2024-12-02 14:48:31,707 INFO  L114        SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d86dca3-348f-422a-9a74-452e1fb7c485/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Termination-32bit-Automizer_Default.epf
[2024-12-02 14:48:31,712 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2024-12-02 14:48:31,712 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-12-02 14:48:31,733 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2024-12-02 14:48:31,734 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-12-02 14:48:31,734 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-12-02 14:48:31,734 INFO  L151        SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-12-02 14:48:31,734 INFO  L153        SettingsManager]:  * Use memory slicer=true
[2024-12-02 14:48:31,735 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-12-02 14:48:31,735 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2024-12-02 14:48:31,735 INFO  L153        SettingsManager]:  * Use SBE=true
[2024-12-02 14:48:31,735 INFO  L151        SettingsManager]: Preferences of BuchiAutomizer differ from their defaults:
[2024-12-02 14:48:31,735 INFO  L153        SettingsManager]:  * NCSB implementation=INTSET_LAZY3
[2024-12-02 14:48:31,735 INFO  L153        SettingsManager]:  * Use old map elimination=false
[2024-12-02 14:48:31,736 INFO  L153        SettingsManager]:  * Use external solver (rank synthesis)=false
[2024-12-02 14:48:31,736 INFO  L153        SettingsManager]:  * Use only trivial implications for array writes=true
[2024-12-02 14:48:31,736 INFO  L153        SettingsManager]:  * Rank analysis=LINEAR_WITH_GUESSES
[2024-12-02 14:48:31,736 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-12-02 14:48:31,736 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=ASSUME
[2024-12-02 14:48:31,736 INFO  L153        SettingsManager]:  * sizeof long=4
[2024-12-02 14:48:31,736 INFO  L153        SettingsManager]:  * Overapproximate operations on floating types=true
[2024-12-02 14:48:31,736 INFO  L153        SettingsManager]:  * sizeof POINTER=4
[2024-12-02 14:48:31,736 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2024-12-02 14:48:31,736 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=ASSUME
[2024-12-02 14:48:31,737 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=ASSUME
[2024-12-02 14:48:31,737 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=ASSUME
[2024-12-02 14:48:31,737 INFO  L153        SettingsManager]:  * Check unreachability of reach_error function=false
[2024-12-02 14:48:31,737 INFO  L153        SettingsManager]:  * sizeof long double=12
[2024-12-02 14:48:31,737 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2024-12-02 14:48:31,737 INFO  L153        SettingsManager]:  * Assume nondeterminstic values are in range=false
[2024-12-02 14:48:31,737 INFO  L153        SettingsManager]:  * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR
[2024-12-02 14:48:31,737 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2024-12-02 14:48:31,737 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-12-02 14:48:31,737 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2024-12-02 14:48:31,738 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-12-02 14:48:31,738 INFO  L153        SettingsManager]:  * Trace refinement strategy=CAMEL_NO_AM
[2024-12-02 14:48:31,738 INFO  L151        SettingsManager]: Preferences of IcfgTransformer differ from their defaults:
[2024-12-02 14:48:31,738 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_4d86dca3-348f-422a-9a74-452e1fb7c485/bin/uautomizer-verify-84ZbGMXZE1
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) )


Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4fdaba9a943be1a84417ec0186b85075ad2a6a54eeb9563391984670e62b2cee
[2024-12-02 14:48:31,945 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2024-12-02 14:48:31,952 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-12-02 14:48:31,954 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-12-02 14:48:31,955 INFO  L270        PluginConnector]: Initializing CDTParser...
[2024-12-02 14:48:31,956 INFO  L274        PluginConnector]: CDTParser initialized
[2024-12-02 14:48:31,957 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d86dca3-348f-422a-9a74-452e1fb7c485/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/product-lines/minepump_spec3_product16.cil.c
[2024-12-02 14:48:34,619 INFO  L533              CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d86dca3-348f-422a-9a74-452e1fb7c485/bin/uautomizer-verify-84ZbGMXZE1/data/e1f5f61b5/e63f45f98115470c8e3b36e4cff9649b/FLAG1a03b4414
[2024-12-02 14:48:34,843 INFO  L384              CDTParser]: Found 1 translation units.
[2024-12-02 14:48:34,844 INFO  L180              CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d86dca3-348f-422a-9a74-452e1fb7c485/sv-benchmarks/c/product-lines/minepump_spec3_product16.cil.c
[2024-12-02 14:48:34,854 INFO  L427              CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d86dca3-348f-422a-9a74-452e1fb7c485/bin/uautomizer-verify-84ZbGMXZE1/data/e1f5f61b5/e63f45f98115470c8e3b36e4cff9649b/FLAG1a03b4414
[2024-12-02 14:48:34,868 INFO  L435              CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d86dca3-348f-422a-9a74-452e1fb7c485/bin/uautomizer-verify-84ZbGMXZE1/data/e1f5f61b5/e63f45f98115470c8e3b36e4cff9649b
[2024-12-02 14:48:34,870 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-12-02 14:48:34,871 INFO  L133        ToolchainWalker]: Walking toolchain with 6 elements.
[2024-12-02 14:48:34,872 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-12-02 14:48:34,872 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-12-02 14:48:34,878 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2024-12-02 14:48:34,879 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 02:48:34" (1/1) ...
[2024-12-02 14:48:34,880 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2792a07a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:48:34, skipping insertion in model container
[2024-12-02 14:48:34,880 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 02:48:34" (1/1) ...
[2024-12-02 14:48:34,904 INFO  L175         MainTranslator]: Built tables and reachable declarations
[2024-12-02 14:48:35,131 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-12-02 14:48:35,142 INFO  L200         MainTranslator]: Completed pre-run
[2024-12-02 14:48:35,151 WARN  L75    lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [49]
[2024-12-02 14:48:35,152 WARN  L75    lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [58]
[2024-12-02 14:48:35,152 WARN  L75    lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [162]
[2024-12-02 14:48:35,152 WARN  L75    lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [528]
[2024-12-02 14:48:35,152 WARN  L75    lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [599]
[2024-12-02 14:48:35,152 WARN  L75    lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [779]
[2024-12-02 14:48:35,153 WARN  L75    lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [814]
[2024-12-02 14:48:35,153 WARN  L75    lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification3_spec.i","") [895]
[2024-12-02 14:48:35,199 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-12-02 14:48:35,217 INFO  L204         MainTranslator]: Completed translation
[2024-12-02 14:48:35,218 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:48:35 WrapperNode
[2024-12-02 14:48:35,218 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-12-02 14:48:35,219 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-12-02 14:48:35,219 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-12-02 14:48:35,219 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2024-12-02 14:48:35,226 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:48:35" (1/1) ...
[2024-12-02 14:48:35,236 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:48:35" (1/1) ...
[2024-12-02 14:48:35,256 INFO  L138                Inliner]: procedures = 53, calls = 99, calls flagged for inlining = 52, calls inlined = 56, statements flattened = 350
[2024-12-02 14:48:35,256 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-12-02 14:48:35,256 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-12-02 14:48:35,256 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2024-12-02 14:48:35,257 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2024-12-02 14:48:35,265 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:48:35" (1/1) ...
[2024-12-02 14:48:35,265 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:48:35" (1/1) ...
[2024-12-02 14:48:35,267 INFO  L184        PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:48:35" (1/1) ...
[2024-12-02 14:48:35,280 INFO  L175           MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0].
[2024-12-02 14:48:35,280 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:48:35" (1/1) ...
[2024-12-02 14:48:35,281 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:48:35" (1/1) ...
[2024-12-02 14:48:35,286 INFO  L184        PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:48:35" (1/1) ...
[2024-12-02 14:48:35,287 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:48:35" (1/1) ...
[2024-12-02 14:48:35,291 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:48:35" (1/1) ...
[2024-12-02 14:48:35,292 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:48:35" (1/1) ...
[2024-12-02 14:48:35,293 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:48:35" (1/1) ...
[2024-12-02 14:48:35,295 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-12-02 14:48:35,296 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-12-02 14:48:35,296 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2024-12-02 14:48:35,296 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2024-12-02 14:48:35,297 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:48:35" (1/1) ...
[2024-12-02 14:48:35,301 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2024-12-02 14:48:35,312 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d86dca3-348f-422a-9a74-452e1fb7c485/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 14:48:35,323 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d86dca3-348f-422a-9a74-452e1fb7c485/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2024-12-02 14:48:35,325 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d86dca3-348f-422a-9a74-452e1fb7c485/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process
[2024-12-02 14:48:35,350 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-12-02 14:48:35,350 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#0
[2024-12-02 14:48:35,350 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-12-02 14:48:35,350 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-12-02 14:48:35,408 INFO  L234             CfgBuilder]: Building ICFG
[2024-12-02 14:48:35,410 INFO  L260             CfgBuilder]: Building CFG for each procedure with an implementation
[2024-12-02 14:48:35,634 INFO  L?                        ?]: Removed 73 outVars from TransFormulas that were not future-live.
[2024-12-02 14:48:35,634 INFO  L283             CfgBuilder]: Performing block encoding
[2024-12-02 14:48:35,644 INFO  L307             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-12-02 14:48:35,644 INFO  L312             CfgBuilder]: Removed 4 assume(true) statements.
[2024-12-02 14:48:35,645 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:48:35 BoogieIcfgContainer
[2024-12-02 14:48:35,645 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-12-02 14:48:35,645 INFO  L112        PluginConnector]: ------------------------BuchiAutomizer----------------------------
[2024-12-02 14:48:35,645 INFO  L270        PluginConnector]: Initializing BuchiAutomizer...
[2024-12-02 14:48:35,650 INFO  L274        PluginConnector]: BuchiAutomizer initialized
[2024-12-02 14:48:35,650 INFO  L99          BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis
[2024-12-02 14:48:35,651 INFO  L184        PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 02.12 02:48:34" (1/3) ...
[2024-12-02 14:48:35,652 INFO  L204        PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@596c07c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 02.12 02:48:35, skipping insertion in model container
[2024-12-02 14:48:35,652 INFO  L99          BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis
[2024-12-02 14:48:35,652 INFO  L184        PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:48:35" (2/3) ...
[2024-12-02 14:48:35,652 INFO  L204        PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@596c07c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 02.12 02:48:35, skipping insertion in model container
[2024-12-02 14:48:35,652 INFO  L99          BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis
[2024-12-02 14:48:35,652 INFO  L184        PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:48:35" (3/3) ...
[2024-12-02 14:48:35,653 INFO  L363   chiAutomizerObserver]: Analyzing ICFG minepump_spec3_product16.cil.c
[2024-12-02 14:48:35,698 INFO  L300   stractBuchiCegarLoop]: Interprodecural is true
[2024-12-02 14:48:35,699 INFO  L301   stractBuchiCegarLoop]: Hoare is None
[2024-12-02 14:48:35,699 INFO  L302   stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates
[2024-12-02 14:48:35,699 INFO  L303   stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE
[2024-12-02 14:48:35,699 INFO  L304   stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2024-12-02 14:48:35,699 INFO  L305   stractBuchiCegarLoop]: Difference is false
[2024-12-02 14:48:35,699 INFO  L306   stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA
[2024-12-02 14:48:35,699 INFO  L310   stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ========
[2024-12-02 14:48:35,704 INFO  L72            BuchiIsEmpty]: Start buchiIsEmpty. Operand  has 108 states, 107 states have (on average 1.355140186915888) internal successors, (145), 107 states have internal predecessors, (145), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 14:48:35,719 INFO  L131   ngComponentsAnalysis]: Automaton has 2 accepting balls. 69
[2024-12-02 14:48:35,719 INFO  L87            BuchiIsEmpty]: Finished buchiIsEmpty Result is false
[2024-12-02 14:48:35,719 INFO  L119           BuchiIsEmpty]: Starting construction of run
[2024-12-02 14:48:35,724 INFO  L148   hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1]
[2024-12-02 14:48:35,724 INFO  L149   hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 14:48:35,724 INFO  L332   stractBuchiCegarLoop]: ======== Iteration 1 ============
[2024-12-02 14:48:35,725 INFO  L72            BuchiIsEmpty]: Start buchiIsEmpty. Operand  has 108 states, 107 states have (on average 1.355140186915888) internal successors, (145), 107 states have internal predecessors, (145), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 14:48:35,729 INFO  L131   ngComponentsAnalysis]: Automaton has 2 accepting balls. 69
[2024-12-02 14:48:35,729 INFO  L87            BuchiIsEmpty]: Finished buchiIsEmpty Result is false
[2024-12-02 14:48:35,729 INFO  L119           BuchiIsEmpty]: Starting construction of run
[2024-12-02 14:48:35,729 INFO  L148   hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1]
[2024-12-02 14:48:35,729 INFO  L149   hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 14:48:35,733 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);~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret4#1, main_~retValue_acc~0#1, main_~tmp~0#1;havoc main_~retValue_acc~0#1;havoc main_~tmp~0#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~7#1;havoc valid_product_~retValue_acc~7#1;valid_product_~retValue_acc~7#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~7#1;" "main_#t~ret4#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~7#1;assume { :end_inline_valid_product } true;main_~tmp~0#1 := main_#t~ret4#1;havoc main_#t~ret4#1;" "assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true;" "assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet28#1, test_#t~nondet29#1, test_#t~nondet30#1, test_#t~nondet31#1, test_~splverifierCounter~0#1, test_~tmp~4#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~4#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0;" 
[2024-12-02 14:48:35,733 INFO  L749   eck$LassoCheckResult]: Loop: "assume test_~splverifierCounter~0#1 < 4;" "havoc test_#t~nondet28#1;test_~tmp~4#1 := test_#t~nondet28#1;havoc test_#t~nondet28#1;" "assume !(0 != test_~tmp~4#1);" "havoc test_#t~nondet29#1;test_~tmp___0~0#1 := test_#t~nondet29#1;havoc test_#t~nondet29#1;" "assume !(0 != test_~tmp___0~0#1);" "havoc test_#t~nondet30#1;test_~tmp___2~0#1 := test_#t~nondet30#1;havoc test_#t~nondet30#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__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret49#1, __utac_acc__Specification3_spec__1_#t~ret50#1, __utac_acc__Specification3_spec__1_#t~ret51#1, __utac_acc__Specification3_spec__1_~tmp~7#1, __utac_acc__Specification3_spec__1_~tmp___0~1#1, __utac_acc__Specification3_spec__1_~tmp___1~1#1;havoc __utac_acc__Specification3_spec__1_~tmp~7#1;havoc __utac_acc__Specification3_spec__1_~tmp___0~1#1;havoc __utac_acc__Specification3_spec__1_~tmp___1~1#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~8#1;havoc isMethaneLevelCritical_~retValue_acc~8#1;isMethaneLevelCritical_~retValue_acc~8#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~8#1;" "__utac_acc__Specification3_spec__1_#t~ret49#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~8#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~7#1 := __utac_acc__Specification3_spec__1_#t~ret49#1;havoc __utac_acc__Specification3_spec__1_#t~ret49#1;" "assume 0 != __utac_acc__Specification3_spec__1_~tmp~7#1;" "havoc __utac_acc__Specification3_spec__1_#t~ret49#1, __utac_acc__Specification3_spec__1_#t~ret50#1, __utac_acc__Specification3_spec__1_#t~ret51#1, __utac_acc__Specification3_spec__1_~tmp~7#1, __utac_acc__Specification3_spec__1_~tmp___0~1#1, __utac_acc__Specification3_spec__1_~tmp___1~1#1;assume { :end_inline___utac_acc__Specification3_spec__1 } true;" "assume { :end_inline_timeShift } true;" 
[2024-12-02 14:48:35,736 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 14:48:35,736 INFO  L85        PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 1 times
[2024-12-02 14:48:35,742 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM
[2024-12-02 14:48:35,743 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [514457983]
[2024-12-02 14:48:35,743 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 14:48:35,743 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 14:48:35,804 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-12-02 14:48:35,804 INFO  L357             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-12-02 14:48:35,817 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-12-02 14:48:35,831 INFO  L130   FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace
[2024-12-02 14:48:35,834 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 14:48:35,834 INFO  L85        PathProgramCache]: Analyzing trace with hash 109371679, now seen corresponding path program 1 times
[2024-12-02 14:48:35,834 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM
[2024-12-02 14:48:35,834 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [649495431]
[2024-12-02 14:48:35,834 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 14:48:35,834 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 14:48:35,843 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 14:48:35,911 INFO  L136   FreeRefinementEngine]: Strategy CAMEL_NO_AM found an infeasible trace
[2024-12-02 14:48:35,911 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [649495431]
[2024-12-02 14:48:35,911 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [649495431] provided 0 perfect and 1 imperfect interpolant sequences
[2024-12-02 14:48:35,911 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [687456795]
[2024-12-02 14:48:35,911 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 14:48:35,912 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 14:48:35,912 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d86dca3-348f-422a-9a74-452e1fb7c485/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 14:48:35,915 INFO  L229       MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d86dca3-348f-422a-9a74-452e1fb7c485/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-12-02 14:48:35,916 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d86dca3-348f-422a-9a74-452e1fb7c485/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process
[2024-12-02 14:48:35,958 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 14:48:35,959 INFO  L256         TraceCheckSpWp]: Trace formula consists of 28 conjuncts, 2 conjuncts are in the unsatisfiable core
[2024-12-02 14:48:35,961 INFO  L279         TraceCheckSpWp]: Computing forward predicates...
[2024-12-02 14:48:35,980 INFO  L312         TraceCheckSpWp]: Computing backward predicates...
[2024-12-02 14:48:35,996 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [687456795] provided 0 perfect and 2 imperfect interpolant sequences
[2024-12-02 14:48:35,996 INFO  L185   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-12-02 14:48:35,997 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 3
[2024-12-02 14:48:35,998 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2003441145]
[2024-12-02 14:48:35,998 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-12-02 14:48:36,001 INFO  L764   eck$LassoCheckResult]: loop already infeasible
[2024-12-02 14:48:36,001 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM
[2024-12-02 14:48:36,035 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-12-02 14:48:36,035 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 14:48:36,037 INFO  L87              Difference]: Start difference. First operand  has 108 states, 107 states have (on average 1.355140186915888) internal successors, (145), 107 states have internal predecessors, (145), 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)
[2024-12-02 14:48:36,086 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 14:48:36,087 INFO  L93              Difference]: Finished difference Result 195 states and 251 transitions.
[2024-12-02 14:48:36,088 INFO  L82        GeneralOperation]: Start removeNonLiveStates. Operand 195 states and 251 transitions.
[2024-12-02 14:48:36,092 INFO  L131   ngComponentsAnalysis]: Automaton has 3 accepting balls. 124
[2024-12-02 14:48:36,098 INFO  L88        GeneralOperation]: Finished removeNonLiveStates. Reduced from 195 states to 175 states and 230 transitions.
[2024-12-02 14:48:36,099 INFO  L87         BuchiClosureNwa]: Accepting states before buchiClosure: 175
[2024-12-02 14:48:36,100 INFO  L106        BuchiClosureNwa]: Accepting states after buchiClosure: 175
[2024-12-02 14:48:36,100 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 175 states and 230 transitions.
[2024-12-02 14:48:36,101 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2024-12-02 14:48:36,101 INFO  L218   hiAutomatonCegarLoop]: Abstraction has 175 states and 230 transitions.
[2024-12-02 14:48:36,113 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 175 states and 230 transitions.
[2024-12-02 14:48:36,125 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 175 to 172.
[2024-12-02 14:48:36,126 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 172 states, 172 states have (on average 1.313953488372093) internal successors, (226), 171 states have internal predecessors, (226), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 14:48:36,127 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 172 states and 226 transitions.
[2024-12-02 14:48:36,128 INFO  L240   hiAutomatonCegarLoop]: Abstraction has 172 states and 226 transitions.
[2024-12-02 14:48:36,129 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-12-02 14:48:36,131 INFO  L425   stractBuchiCegarLoop]: Abstraction has 172 states and 226 transitions.
[2024-12-02 14:48:36,131 INFO  L332   stractBuchiCegarLoop]: ======== Iteration 2 ============
[2024-12-02 14:48:36,131 INFO  L72            BuchiIsEmpty]: Start buchiIsEmpty. Operand 172 states and 226 transitions.
[2024-12-02 14:48:36,133 INFO  L131   ngComponentsAnalysis]: Automaton has 3 accepting balls. 121
[2024-12-02 14:48:36,133 INFO  L87            BuchiIsEmpty]: Finished buchiIsEmpty Result is false
[2024-12-02 14:48:36,134 INFO  L119           BuchiIsEmpty]: Starting construction of run
[2024-12-02 14:48:36,134 INFO  L148   hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1]
[2024-12-02 14:48:36,134 INFO  L149   hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 14:48:36,134 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);~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret4#1, main_~retValue_acc~0#1, main_~tmp~0#1;havoc main_~retValue_acc~0#1;havoc main_~tmp~0#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~7#1;havoc valid_product_~retValue_acc~7#1;valid_product_~retValue_acc~7#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~7#1;" "main_#t~ret4#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~7#1;assume { :end_inline_valid_product } true;main_~tmp~0#1 := main_#t~ret4#1;havoc main_#t~ret4#1;" "assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true;" "assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet28#1, test_#t~nondet29#1, test_#t~nondet30#1, test_#t~nondet31#1, test_~splverifierCounter~0#1, test_~tmp~4#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~4#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0;" 
[2024-12-02 14:48:36,134 INFO  L749   eck$LassoCheckResult]: Loop: "assume test_~splverifierCounter~0#1 < 4;" "havoc test_#t~nondet28#1;test_~tmp~4#1 := test_#t~nondet28#1;havoc test_#t~nondet28#1;" "assume !(0 != test_~tmp~4#1);" "havoc test_#t~nondet29#1;test_~tmp___0~0#1 := test_#t~nondet29#1;havoc test_#t~nondet29#1;" "assume !(0 != test_~tmp___0~0#1);" "havoc test_#t~nondet30#1;test_~tmp___2~0#1 := test_#t~nondet30#1;havoc test_#t~nondet30#1;" "assume !(0 != test_~tmp___2~0#1);havoc test_#t~nondet31#1;test_~tmp___1~0#1 := test_#t~nondet31#1;havoc test_#t~nondet31#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~ret32#1, processEnvironment_~tmp~5#1;havoc processEnvironment_~tmp~5#1;" "assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__methaneQuery } true;" "assume { :end_inline_processEnvironment__wrappee__methaneQuery } true;" "havoc processEnvironment_#t~ret32#1, processEnvironment_~tmp~5#1;assume { :end_inline_processEnvironment } true;" "assume { :begin_inline___utac_acc__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret49#1, __utac_acc__Specification3_spec__1_#t~ret50#1, __utac_acc__Specification3_spec__1_#t~ret51#1, __utac_acc__Specification3_spec__1_~tmp~7#1, __utac_acc__Specification3_spec__1_~tmp___0~1#1, __utac_acc__Specification3_spec__1_~tmp___1~1#1;havoc __utac_acc__Specification3_spec__1_~tmp~7#1;havoc __utac_acc__Specification3_spec__1_~tmp___0~1#1;havoc __utac_acc__Specification3_spec__1_~tmp___1~1#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~8#1;havoc isMethaneLevelCritical_~retValue_acc~8#1;isMethaneLevelCritical_~retValue_acc~8#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~8#1;" "__utac_acc__Specification3_spec__1_#t~ret49#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~8#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~7#1 := __utac_acc__Specification3_spec__1_#t~ret49#1;havoc __utac_acc__Specification3_spec__1_#t~ret49#1;" "assume 0 != __utac_acc__Specification3_spec__1_~tmp~7#1;" "havoc __utac_acc__Specification3_spec__1_#t~ret49#1, __utac_acc__Specification3_spec__1_#t~ret50#1, __utac_acc__Specification3_spec__1_#t~ret51#1, __utac_acc__Specification3_spec__1_~tmp~7#1, __utac_acc__Specification3_spec__1_~tmp___0~1#1, __utac_acc__Specification3_spec__1_~tmp___1~1#1;assume { :end_inline___utac_acc__Specification3_spec__1 } true;" "assume { :end_inline_timeShift } true;" 
[2024-12-02 14:48:36,135 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 14:48:36,135 INFO  L85        PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 2 times
[2024-12-02 14:48:36,135 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM
[2024-12-02 14:48:36,135 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1125620637]
[2024-12-02 14:48:36,135 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 14:48:36,135 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 14:48:36,145 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-12-02 14:48:36,145 INFO  L357             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-12-02 14:48:36,154 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-12-02 14:48:36,157 INFO  L130   FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace
[2024-12-02 14:48:36,157 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 14:48:36,158 INFO  L85        PathProgramCache]: Analyzing trace with hash 1120459625, now seen corresponding path program 1 times
[2024-12-02 14:48:36,158 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM
[2024-12-02 14:48:36,158 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1811287709]
[2024-12-02 14:48:36,158 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 14:48:36,158 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 14:48:36,165 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-12-02 14:48:36,165 INFO  L357             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-12-02 14:48:36,169 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-12-02 14:48:36,172 INFO  L130   FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace
[2024-12-02 14:48:36,173 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 14:48:36,173 INFO  L85        PathProgramCache]: Analyzing trace with hash -872364251, now seen corresponding path program 1 times
[2024-12-02 14:48:36,173 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM
[2024-12-02 14:48:36,173 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [328682042]
[2024-12-02 14:48:36,174 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 14:48:36,174 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 14:48:36,194 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 14:48:36,308 INFO  L136   FreeRefinementEngine]: Strategy CAMEL_NO_AM found an infeasible trace
[2024-12-02 14:48:36,308 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [328682042]
[2024-12-02 14:48:36,308 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [328682042] provided 0 perfect and 1 imperfect interpolant sequences
[2024-12-02 14:48:36,308 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [417953926]
[2024-12-02 14:48:36,309 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 14:48:36,309 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 14:48:36,309 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d86dca3-348f-422a-9a74-452e1fb7c485/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 14:48:36,310 INFO  L229       MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d86dca3-348f-422a-9a74-452e1fb7c485/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-12-02 14:48:36,312 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d86dca3-348f-422a-9a74-452e1fb7c485/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process
[2024-12-02 14:48:36,368 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 14:48:36,369 INFO  L256         TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 9 conjuncts are in the unsatisfiable core
[2024-12-02 14:48:36,370 INFO  L279         TraceCheckSpWp]: Computing forward predicates...
[2024-12-02 14:48:36,426 INFO  L312         TraceCheckSpWp]: Computing backward predicates...
[2024-12-02 14:48:36,472 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [417953926] provided 0 perfect and 2 imperfect interpolant sequences
[2024-12-02 14:48:36,473 INFO  L185   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-12-02 14:48:36,473 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 4
[2024-12-02 14:48:36,473 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2096568707]
[2024-12-02 14:48:36,473 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-12-02 14:48:36,520 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM
[2024-12-02 14:48:36,520 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-02 14:48:36,520 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-12-02 14:48:36,521 INFO  L87              Difference]: Start difference. First operand 172 states and 226 transitions. cyclomatic complexity: 57 Second operand  has 5 states, 5 states have (on average 5.2) internal successors, (26), 4 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 14:48:36,622 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 14:48:36,622 INFO  L93              Difference]: Finished difference Result 337 states and 437 transitions.
[2024-12-02 14:48:36,622 INFO  L82        GeneralOperation]: Start removeNonLiveStates. Operand 337 states and 437 transitions.
[2024-12-02 14:48:36,626 INFO  L131   ngComponentsAnalysis]: Automaton has 5 accepting balls. 242
[2024-12-02 14:48:36,628 INFO  L88        GeneralOperation]: Finished removeNonLiveStates. Reduced from 337 states to 337 states and 437 transitions.
[2024-12-02 14:48:36,628 INFO  L87         BuchiClosureNwa]: Accepting states before buchiClosure: 337
[2024-12-02 14:48:36,629 INFO  L106        BuchiClosureNwa]: Accepting states after buchiClosure: 337
[2024-12-02 14:48:36,629 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 337 states and 437 transitions.
[2024-12-02 14:48:36,630 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2024-12-02 14:48:36,630 INFO  L218   hiAutomatonCegarLoop]: Abstraction has 337 states and 437 transitions.
[2024-12-02 14:48:36,631 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 337 states and 437 transitions.
[2024-12-02 14:48:36,640 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 337 to 337.
[2024-12-02 14:48:36,641 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 337 states, 337 states have (on average 1.2967359050445104) internal successors, (437), 336 states have internal predecessors, (437), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 14:48:36,643 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 337 states and 437 transitions.
[2024-12-02 14:48:36,643 INFO  L240   hiAutomatonCegarLoop]: Abstraction has 337 states and 437 transitions.
[2024-12-02 14:48:36,644 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2024-12-02 14:48:36,644 INFO  L425   stractBuchiCegarLoop]: Abstraction has 337 states and 437 transitions.
[2024-12-02 14:48:36,644 INFO  L332   stractBuchiCegarLoop]: ======== Iteration 3 ============
[2024-12-02 14:48:36,644 INFO  L72            BuchiIsEmpty]: Start buchiIsEmpty. Operand 337 states and 437 transitions.
[2024-12-02 14:48:36,646 INFO  L131   ngComponentsAnalysis]: Automaton has 5 accepting balls. 242
[2024-12-02 14:48:36,647 INFO  L87            BuchiIsEmpty]: Finished buchiIsEmpty Result is false
[2024-12-02 14:48:36,647 INFO  L119           BuchiIsEmpty]: Starting construction of run
[2024-12-02 14:48:36,647 INFO  L148   hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1]
[2024-12-02 14:48:36,647 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]
[2024-12-02 14:48:36,647 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);~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret4#1, main_~retValue_acc~0#1, main_~tmp~0#1;havoc main_~retValue_acc~0#1;havoc main_~tmp~0#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~7#1;havoc valid_product_~retValue_acc~7#1;valid_product_~retValue_acc~7#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~7#1;" "main_#t~ret4#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~7#1;assume { :end_inline_valid_product } true;main_~tmp~0#1 := main_#t~ret4#1;havoc main_#t~ret4#1;" "assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true;" "assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet28#1, test_#t~nondet29#1, test_#t~nondet30#1, test_#t~nondet31#1, test_~splverifierCounter~0#1, test_~tmp~4#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~4#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0;" 
[2024-12-02 14:48:36,647 INFO  L749   eck$LassoCheckResult]: Loop: "assume test_~splverifierCounter~0#1 < 4;" "havoc test_#t~nondet28#1;test_~tmp~4#1 := test_#t~nondet28#1;havoc test_#t~nondet28#1;" "assume !(0 != test_~tmp~4#1);" "havoc test_#t~nondet29#1;test_~tmp___0~0#1 := test_#t~nondet29#1;havoc test_#t~nondet29#1;" "assume !(0 != test_~tmp___0~0#1);" "havoc test_#t~nondet30#1;test_~tmp___2~0#1 := test_#t~nondet30#1;havoc test_#t~nondet30#1;" "assume !(0 != test_~tmp___2~0#1);havoc test_#t~nondet31#1;test_~tmp___1~0#1 := test_#t~nondet31#1;havoc test_#t~nondet31#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~ret32#1, processEnvironment_~tmp~5#1;havoc processEnvironment_~tmp~5#1;" "assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__methaneQuery } true;" "assume { :end_inline_processEnvironment__wrappee__methaneQuery } true;" "havoc processEnvironment_#t~ret32#1, processEnvironment_~tmp~5#1;assume { :end_inline_processEnvironment } true;" "assume { :begin_inline___utac_acc__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret49#1, __utac_acc__Specification3_spec__1_#t~ret50#1, __utac_acc__Specification3_spec__1_#t~ret51#1, __utac_acc__Specification3_spec__1_~tmp~7#1, __utac_acc__Specification3_spec__1_~tmp___0~1#1, __utac_acc__Specification3_spec__1_~tmp___1~1#1;havoc __utac_acc__Specification3_spec__1_~tmp~7#1;havoc __utac_acc__Specification3_spec__1_~tmp___0~1#1;havoc __utac_acc__Specification3_spec__1_~tmp___1~1#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~8#1;havoc isMethaneLevelCritical_~retValue_acc~8#1;isMethaneLevelCritical_~retValue_acc~8#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~8#1;" "__utac_acc__Specification3_spec__1_#t~ret49#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~8#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~7#1 := __utac_acc__Specification3_spec__1_#t~ret49#1;havoc __utac_acc__Specification3_spec__1_#t~ret49#1;" "assume !(0 != __utac_acc__Specification3_spec__1_~tmp~7#1);assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~9#1;havoc getWaterLevel_~retValue_acc~9#1;getWaterLevel_~retValue_acc~9#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~9#1;" "__utac_acc__Specification3_spec__1_#t~ret50#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~9#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification3_spec__1_~tmp___0~1#1 := __utac_acc__Specification3_spec__1_#t~ret50#1;havoc __utac_acc__Specification3_spec__1_#t~ret50#1;" "assume !(2 == __utac_acc__Specification3_spec__1_~tmp___0~1#1);" "havoc __utac_acc__Specification3_spec__1_#t~ret49#1, __utac_acc__Specification3_spec__1_#t~ret50#1, __utac_acc__Specification3_spec__1_#t~ret51#1, __utac_acc__Specification3_spec__1_~tmp~7#1, __utac_acc__Specification3_spec__1_~tmp___0~1#1, __utac_acc__Specification3_spec__1_~tmp___1~1#1;assume { :end_inline___utac_acc__Specification3_spec__1 } true;" "assume { :end_inline_timeShift } true;" 
[2024-12-02 14:48:36,648 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 14:48:36,648 INFO  L85        PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 3 times
[2024-12-02 14:48:36,648 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM
[2024-12-02 14:48:36,648 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1701255979]
[2024-12-02 14:48:36,648 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 14:48:36,648 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 14:48:36,655 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-12-02 14:48:36,655 INFO  L357             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-12-02 14:48:36,659 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-12-02 14:48:36,662 INFO  L130   FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace
[2024-12-02 14:48:36,662 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 14:48:36,662 INFO  L85        PathProgramCache]: Analyzing trace with hash -1273899746, now seen corresponding path program 1 times
[2024-12-02 14:48:36,662 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM
[2024-12-02 14:48:36,662 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1307085557]
[2024-12-02 14:48:36,663 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 14:48:36,663 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 14:48:36,668 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-12-02 14:48:36,668 INFO  L357             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-12-02 14:48:36,671 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-12-02 14:48:36,674 INFO  L130   FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace
[2024-12-02 14:48:36,674 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 14:48:36,674 INFO  L85        PathProgramCache]: Analyzing trace with hash -822230566, now seen corresponding path program 1 times
[2024-12-02 14:48:36,674 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM
[2024-12-02 14:48:36,674 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1379992515]
[2024-12-02 14:48:36,674 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 14:48:36,675 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 14:48:36,684 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-12-02 14:48:36,684 INFO  L357             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-12-02 14:48:36,691 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-12-02 14:48:36,695 INFO  L130   FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace
[2024-12-02 14:48:37,515 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-12-02 14:48:37,515 INFO  L357             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-12-02 14:48:37,521 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-12-02 14:48:37,559 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 02.12 02:48:37 BoogieIcfgContainer
[2024-12-02 14:48:37,559 INFO  L131        PluginConnector]: ------------------------ END BuchiAutomizer----------------------------
[2024-12-02 14:48:37,559 INFO  L112        PluginConnector]: ------------------------Witness Printer----------------------------
[2024-12-02 14:48:37,559 INFO  L270        PluginConnector]: Initializing Witness Printer...
[2024-12-02 14:48:37,560 INFO  L274        PluginConnector]: Witness Printer initialized
[2024-12-02 14:48:37,560 INFO  L184        PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:48:35" (3/4) ...
[2024-12-02 14:48:37,561 INFO  L143         WitnessPrinter]: Generating witness for non-termination counterexample
[2024-12-02 14:48:37,599 INFO  L149         WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d86dca3-348f-422a-9a74-452e1fb7c485/bin/uautomizer-verify-84ZbGMXZE1/witness.graphml
[2024-12-02 14:48:37,599 INFO  L131        PluginConnector]: ------------------------ END Witness Printer----------------------------
[2024-12-02 14:48:37,600 INFO  L158              Benchmark]: Toolchain (without parser) took 2728.62ms. Allocated memory is still 142.6MB. Free memory was 115.9MB in the beginning and 83.3MB in the end (delta: 32.6MB). Peak memory consumption was 32.7MB. Max. memory is 16.1GB.
[2024-12-02 14:48:37,600 INFO  L158              Benchmark]: CDTParser took 0.20ms. Allocated memory is still 142.6MB. Free memory is still 82.1MB. There was no memory consumed. Max. memory is 16.1GB.
[2024-12-02 14:48:37,600 INFO  L158              Benchmark]: CACSL2BoogieTranslator took 346.35ms. Allocated memory is still 142.6MB. Free memory was 115.6MB in the beginning and 97.8MB in the end (delta: 17.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
[2024-12-02 14:48:37,600 INFO  L158              Benchmark]: Boogie Procedure Inliner took 36.90ms. Allocated memory is still 142.6MB. Free memory was 97.6MB in the beginning and 95.4MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-12-02 14:48:37,601 INFO  L158              Benchmark]: Boogie Preprocessor took 38.70ms. Allocated memory is still 142.6MB. Free memory was 95.4MB in the beginning and 93.3MB in the end (delta: 2.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-12-02 14:48:37,601 INFO  L158              Benchmark]: RCFGBuilder took 348.94ms. Allocated memory is still 142.6MB. Free memory was 93.3MB in the beginning and 74.5MB in the end (delta: 18.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
[2024-12-02 14:48:37,601 INFO  L158              Benchmark]: BuchiAutomizer took 1913.56ms. Allocated memory is still 142.6MB. Free memory was 74.5MB in the beginning and 86.3MB in the end (delta: -11.8MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-12-02 14:48:37,601 INFO  L158              Benchmark]: Witness Printer took 39.73ms. Allocated memory is still 142.6MB. Free memory was 86.3MB in the beginning and 83.3MB in the end (delta: 3.1MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-12-02 14:48:37,603 INFO  L338   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.20ms. Allocated memory is still 142.6MB. Free memory is still 82.1MB. There was no memory consumed. Max. memory is 16.1GB.
 * CACSL2BoogieTranslator took 346.35ms. Allocated memory is still 142.6MB. Free memory was 115.6MB in the beginning and 97.8MB in the end (delta: 17.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
 * Boogie Procedure Inliner took 36.90ms. Allocated memory is still 142.6MB. Free memory was 97.6MB in the beginning and 95.4MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB.
 * Boogie Preprocessor took 38.70ms. Allocated memory is still 142.6MB. Free memory was 95.4MB in the beginning and 93.3MB in the end (delta: 2.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
 * RCFGBuilder took 348.94ms. Allocated memory is still 142.6MB. Free memory was 93.3MB in the beginning and 74.5MB in the end (delta: 18.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
 * BuchiAutomizer took 1913.56ms. Allocated memory is still 142.6MB. Free memory was 74.5MB in the beginning and 86.3MB in the end (delta: -11.8MB). There was no memory consumed. Max. memory is 16.1GB.
 * Witness Printer took 39.73ms. Allocated memory is still 142.6MB. Free memory was 86.3MB in the beginning and 83.3MB in the end (delta: 3.1MB). 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,"wsllib_check.i","") [49]
  - GenericResultAtLocation [Line: 58]: Unsoundness Warning
    Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [58]
  - GenericResultAtLocation [Line: 162]: Unsoundness Warning
    Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [162]
  - GenericResultAtLocation [Line: 528]: Unsoundness Warning
    Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [528]
  - GenericResultAtLocation [Line: 599]: Unsoundness Warning
    Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [599]
  - GenericResultAtLocation [Line: 779]: Unsoundness Warning
    Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [779]
  - GenericResultAtLocation [Line: 814]: Unsoundness Warning
    Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [814]
  - GenericResultAtLocation [Line: 895]: Unsoundness Warning
    Ignoring preprocessor pragma C: #pragma merger(0,"Specification3_spec.i","") [895]
 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
  - StatisticsResult: Constructed decomposition of program
    Your program was decomposed into 2 terminating modules (2 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.2 modules have a trivial ranking function, the largest among these consists of 5 locations. The remainder module has 337 locations.
  - StatisticsResult: Timing statistics
    BüchiAutomizer plugin needed 1.8s and 3 iterations.  TraceHistogramMax:1. Analysis of lassos took 1.5s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 0. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 3 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1.	Nontrivial modules had stage [0, 0, 0, 0, 0].	InterpolantCoveringCapabilityFinite: 0/0	InterpolantCoveringCapabilityBuchi: 0/0	HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 217 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 217 mSDsluCounter, 665 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 429 mSDsCounter, 14 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 71 IncrementalHoareTripleChecker+Invalid, 85 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 14 mSolverCounterUnsat, 236 mSDtfsCounter, 71 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown	LassoAnalysisResults: nont1 unkn0 SFLI1 SFLT0 conc1 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0	LassoNonterminationAnalysisSatUnbounded: 0	LassoNonterminationAnalysisUnsat: 0	LassoNonterminationAnalysisUnknown: 0	LassoNonterminationAnalysisTime: 0.0s	InitialAbstractionConstructionTime: 0.0s
  - TerminationAnalysisResult: Nontermination possible
    Buchi Automizer proved that your program is nonterminating for some inputs
  - LassoShapedNonTerminationArgument [Line: 543]: Nontermination argument in form of an infinite program execution.
    Nontermination argument in form of an infinite program execution.
Stem:
[L59]               int cleanupTimeShifts  =    4;
[L332]              static struct __ACC__ERR *head  =    (struct __ACC__ERR *)0;
[L606]              int pumpRunning  =    0;
[L607]              int systemActive  =    1;
[L816]              int waterLevel  =    1;
[L817]              int methaneLevelCritical  =    0;
        VAL         [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1]
[L140]              int retValue_acc ;
[L141]              int tmp ;
[L145]  FCALL       select_helpers()
[L146]  FCALL       select_features()
[L147]  CALL, EXPR  valid_product()
[L806]              int retValue_acc ;
[L809]              retValue_acc = 1
[L810]              return (retValue_acc);
        VAL         [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1]
[L147]  RET, EXPR   valid_product()
[L147]              tmp = valid_product()
[L149]  COND TRUE   \read(tmp)
[L151]  FCALL       setup()
[L152]  CALL        runTest()
[L131]  CALL        test()
[L532]              int splverifierCounter ;
[L533]              int tmp ;
[L534]              int tmp___0 ;
[L535]              int tmp___1 ;
[L536]              int tmp___2 ;
[L539]              splverifierCounter = 0
        VAL         [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1]
Loop:
[L543]  COND TRUE   splverifierCounter < 4
[L549]              tmp = __VERIFIER_nondet_int()
[L551]  COND FALSE  !(\read(tmp))
[L559]              tmp___0 = __VERIFIER_nondet_int()
[L561]  COND FALSE  !(\read(tmp___0))
[L569]              tmp___2 = __VERIFIER_nondet_int()
[L571]  COND FALSE  !(\read(tmp___2))
[L577]              tmp___1 = __VERIFIER_nondet_int()
[L579]  COND FALSE  !(\read(tmp___1))
[L588]  CALL        timeShift()
[L614]  COND FALSE  !(\read(pumpRunning))
[L621]  COND TRUE   \read(systemActive)
[L623]  CALL        processEnvironment()
[L643]              int tmp ;
[L646]  COND FALSE  !(\read(pumpRunning))
[L661]  FCALL       processEnvironment__wrappee__methaneQuery()
[L623]  RET         processEnvironment()
[L629]  CALL        __utac_acc__Specification3_spec__1()
[L897]              int tmp ;
[L898]              int tmp___0 ;
[L899]              int tmp___1 ;
[L903]  CALL, EXPR  isMethaneLevelCritical()
[L855]              int retValue_acc ;
[L858]              retValue_acc = methaneLevelCritical
[L859]              return (retValue_acc);
[L903]  RET, EXPR   isMethaneLevelCritical()
[L903]              tmp = isMethaneLevelCritical()
[L905]  COND FALSE  !(\read(tmp))
[L909]  CALL, EXPR  getWaterLevel()
[L887]              int retValue_acc ;
[L890]              retValue_acc = waterLevel
[L891]              return (retValue_acc);
[L909]  RET, EXPR   getWaterLevel()
[L909]              tmp___0 = getWaterLevel()
[L911]  COND FALSE  !(tmp___0 == 2)
[L629]  RET         __utac_acc__Specification3_spec__1()
[L588]  RET         timeShift()
End of lasso representation.
  - StatisticsResult: NonterminationArgumentStatistics
    Fixpoint
  - NonterminatingLassoResult [Line: 543]: Nonterminating execution
    Found a nonterminating execution for the following lasso shaped sequence of statements.
Stem:
[L59]               int cleanupTimeShifts  =    4;
[L332]              static struct __ACC__ERR *head  =    (struct __ACC__ERR *)0;
[L606]              int pumpRunning  =    0;
[L607]              int systemActive  =    1;
[L816]              int waterLevel  =    1;
[L817]              int methaneLevelCritical  =    0;
        VAL         [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1]
[L140]              int retValue_acc ;
[L141]              int tmp ;
[L145]  FCALL       select_helpers()
[L146]  FCALL       select_features()
[L147]  CALL, EXPR  valid_product()
[L806]              int retValue_acc ;
[L809]              retValue_acc = 1
[L810]              return (retValue_acc);
        VAL         [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1]
[L147]  RET, EXPR   valid_product()
[L147]              tmp = valid_product()
[L149]  COND TRUE   \read(tmp)
[L151]  FCALL       setup()
[L152]  CALL        runTest()
[L131]  CALL        test()
[L532]              int splverifierCounter ;
[L533]              int tmp ;
[L534]              int tmp___0 ;
[L535]              int tmp___1 ;
[L536]              int tmp___2 ;
[L539]              splverifierCounter = 0
        VAL         [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1]
Loop:
[L543]  COND TRUE   splverifierCounter < 4
[L549]              tmp = __VERIFIER_nondet_int()
[L551]  COND FALSE  !(\read(tmp))
[L559]              tmp___0 = __VERIFIER_nondet_int()
[L561]  COND FALSE  !(\read(tmp___0))
[L569]              tmp___2 = __VERIFIER_nondet_int()
[L571]  COND FALSE  !(\read(tmp___2))
[L577]              tmp___1 = __VERIFIER_nondet_int()
[L579]  COND FALSE  !(\read(tmp___1))
[L588]  CALL        timeShift()
[L614]  COND FALSE  !(\read(pumpRunning))
[L621]  COND TRUE   \read(systemActive)
[L623]  CALL        processEnvironment()
[L643]              int tmp ;
[L646]  COND FALSE  !(\read(pumpRunning))
[L661]  FCALL       processEnvironment__wrappee__methaneQuery()
[L623]  RET         processEnvironment()
[L629]  CALL        __utac_acc__Specification3_spec__1()
[L897]              int tmp ;
[L898]              int tmp___0 ;
[L899]              int tmp___1 ;
[L903]  CALL, EXPR  isMethaneLevelCritical()
[L855]              int retValue_acc ;
[L858]              retValue_acc = methaneLevelCritical
[L859]              return (retValue_acc);
[L903]  RET, EXPR   isMethaneLevelCritical()
[L903]              tmp = isMethaneLevelCritical()
[L905]  COND FALSE  !(\read(tmp))
[L909]  CALL, EXPR  getWaterLevel()
[L887]              int retValue_acc ;
[L890]              retValue_acc = waterLevel
[L891]              return (retValue_acc);
[L909]  RET, EXPR   getWaterLevel()
[L909]              tmp___0 = getWaterLevel()
[L911]  COND FALSE  !(tmp___0 == 2)
[L629]  RET         __utac_acc__Specification3_spec__1()
[L588]  RET         timeShift()
End of lasso representation.
RESULT: Ultimate proved your program to be incorrect!
[2024-12-02 14:48:37,619 INFO  L552       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d86dca3-348f-422a-9a74-452e1fb7c485/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0
[2024-12-02 14:48:37,816 INFO  L552       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d86dca3-348f-422a-9a74-452e1fb7c485/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0
[2024-12-02 14:48:38,021 INFO  L552       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d86dca3-348f-422a-9a74-452e1fb7c485/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0
Received shutdown request...
--- End real Ultimate output ---

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