./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product34.cil.c --full-output --architecture 32bit


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


Checking for termination
Using default analysis
Version 9bd2c7ff
Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a68fbc9-ff5e-4006-9f38-2dd1f88c2b82/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a68fbc9-ff5e-4006-9f38-2dd1f88c2b82/bin/uautomizer-verify-uCwYo4JHxu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a68fbc9-ff5e-4006-9f38-2dd1f88c2b82/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a68fbc9-ff5e-4006-9f38-2dd1f88c2b82/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product34.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a68fbc9-ff5e-4006-9f38-2dd1f88c2b82/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a68fbc9-ff5e-4006-9f38-2dd1f88c2b82/bin/uautomizer-verify-uCwYo4JHxu --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) )

 --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 72514ca2b4c5f09004dd08dec38f44e827aa0dd8844c3295d87b722cb68767ea
--- Real Ultimate output ---
This is Ultimate 0.2.3-dev-9bd2c7f
[2023-11-19 07:44:13,625 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2023-11-19 07:44:13,778 INFO  L114        SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a68fbc9-ff5e-4006-9f38-2dd1f88c2b82/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Termination-32bit-Automizer_Default.epf
[2023-11-19 07:44:13,788 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2023-11-19 07:44:13,789 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2023-11-19 07:44:13,862 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2023-11-19 07:44:13,864 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2023-11-19 07:44:13,865 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2023-11-19 07:44:13,866 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2023-11-19 07:44:13,871 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2023-11-19 07:44:13,873 INFO  L153        SettingsManager]:  * Use SBE=true
[2023-11-19 07:44:13,874 INFO  L151        SettingsManager]: Preferences of BuchiAutomizer differ from their defaults:
[2023-11-19 07:44:13,875 INFO  L153        SettingsManager]:  * NCSB implementation=INTSET_LAZY3
[2023-11-19 07:44:13,877 INFO  L153        SettingsManager]:  * Use old map elimination=false
[2023-11-19 07:44:13,878 INFO  L153        SettingsManager]:  * Use external solver (rank synthesis)=false
[2023-11-19 07:44:13,878 INFO  L153        SettingsManager]:  * Use only trivial implications for array writes=true
[2023-11-19 07:44:13,879 INFO  L153        SettingsManager]:  * Rank analysis=LINEAR_WITH_GUESSES
[2023-11-19 07:44:13,879 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2023-11-19 07:44:13,880 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=ASSUME
[2023-11-19 07:44:13,880 INFO  L153        SettingsManager]:  * sizeof long=4
[2023-11-19 07:44:13,881 INFO  L153        SettingsManager]:  * Overapproximate operations on floating types=true
[2023-11-19 07:44:13,883 INFO  L153        SettingsManager]:  * sizeof POINTER=4
[2023-11-19 07:44:13,884 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2023-11-19 07:44:13,884 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=ASSUME
[2023-11-19 07:44:13,885 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=ASSUME
[2023-11-19 07:44:13,885 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=ASSUME
[2023-11-19 07:44:13,886 INFO  L153        SettingsManager]:  * Check unreachability of reach_error function=false
[2023-11-19 07:44:13,886 INFO  L153        SettingsManager]:  * sizeof long double=12
[2023-11-19 07:44:13,887 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2023-11-19 07:44:13,887 INFO  L153        SettingsManager]:  * Assume nondeterminstic values are in range=false
[2023-11-19 07:44:13,888 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2023-11-19 07:44:13,888 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2023-11-19 07:44:13,889 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2023-11-19 07:44:13,889 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2023-11-19 07:44:13,889 INFO  L153        SettingsManager]:  * Trace refinement strategy=CAMEL
[2023-11-19 07:44:13,898 INFO  L151        SettingsManager]: Preferences of IcfgTransformer differ from their defaults:
[2023-11-19 07:44:13,899 INFO  L153        SettingsManager]:  * TransformationType=MODULO_NEIGHBOR
WARNING: An illegal reflective access operation has occurred
WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a68fbc9-ff5e-4006-9f38-2dd1f88c2b82/bin/uautomizer-verify-uCwYo4JHxu/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int)
WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a68fbc9-ff5e-4006-9f38-2dd1f88c2b82/bin/uautomizer-verify-uCwYo4JHxu
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) )


Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 72514ca2b4c5f09004dd08dec38f44e827aa0dd8844c3295d87b722cb68767ea
[2023-11-19 07:44:14,231 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2023-11-19 07:44:14,271 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2023-11-19 07:44:14,274 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2023-11-19 07:44:14,276 INFO  L270        PluginConnector]: Initializing CDTParser...
[2023-11-19 07:44:14,277 INFO  L274        PluginConnector]: CDTParser initialized
[2023-11-19 07:44:14,279 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a68fbc9-ff5e-4006-9f38-2dd1f88c2b82/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/product-lines/minepump_spec2_product34.cil.c
[2023-11-19 07:44:17,711 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2023-11-19 07:44:18,081 INFO  L384              CDTParser]: Found 1 translation units.
[2023-11-19 07:44:18,082 INFO  L180              CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a68fbc9-ff5e-4006-9f38-2dd1f88c2b82/sv-benchmarks/c/product-lines/minepump_spec2_product34.cil.c
[2023-11-19 07:44:18,100 INFO  L427              CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a68fbc9-ff5e-4006-9f38-2dd1f88c2b82/bin/uautomizer-verify-uCwYo4JHxu/data/44ebc21bf/ef352aa615e74c0eaf25be0e892d48a0/FLAG24fa28a10
[2023-11-19 07:44:18,117 INFO  L435              CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a68fbc9-ff5e-4006-9f38-2dd1f88c2b82/bin/uautomizer-verify-uCwYo4JHxu/data/44ebc21bf/ef352aa615e74c0eaf25be0e892d48a0
[2023-11-19 07:44:18,120 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2023-11-19 07:44:18,122 INFO  L133        ToolchainWalker]: Walking toolchain with 6 elements.
[2023-11-19 07:44:18,124 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2023-11-19 07:44:18,124 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2023-11-19 07:44:18,131 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2023-11-19 07:44:18,132 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:44:18" (1/1) ...
[2023-11-19 07:44:18,133 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6096922e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:44:18, skipping insertion in model container
[2023-11-19 07:44:18,134 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:44:18" (1/1) ...
[2023-11-19 07:44:18,197 INFO  L177         MainTranslator]: Built tables and reachable declarations
[2023-11-19 07:44:18,518 INFO  L209          PostProcessor]: Analyzing one entry point: main
[2023-11-19 07:44:18,535 INFO  L202         MainTranslator]: Completed pre-run
[2023-11-19 07:44:18,548 WARN  L75    lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [49]
[2023-11-19 07:44:18,550 WARN  L75    lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [155]
[2023-11-19 07:44:18,551 WARN  L75    lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [254]
[2023-11-19 07:44:18,551 WARN  L75    lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification2_spec.i","") [263]
[2023-11-19 07:44:18,551 WARN  L75    lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [303]
[2023-11-19 07:44:18,552 WARN  L75    lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [338]
[2023-11-19 07:44:18,552 WARN  L75    lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [704]
[2023-11-19 07:44:18,552 WARN  L75    lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [772]
[2023-11-19 07:44:18,694 INFO  L209          PostProcessor]: Analyzing one entry point: main
[2023-11-19 07:44:18,729 INFO  L206         MainTranslator]: Completed translation
[2023-11-19 07:44:18,729 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:44:18 WrapperNode
[2023-11-19 07:44:18,730 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2023-11-19 07:44:18,731 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2023-11-19 07:44:18,732 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2023-11-19 07:44:18,732 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2023-11-19 07:44:18,742 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:44:18" (1/1) ...
[2023-11-19 07:44:18,766 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:44:18" (1/1) ...
[2023-11-19 07:44:18,818 INFO  L138                Inliner]: procedures = 54, calls = 96, calls flagged for inlining = 49, calls inlined = 52, statements flattened = 358
[2023-11-19 07:44:18,819 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2023-11-19 07:44:18,822 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2023-11-19 07:44:18,822 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2023-11-19 07:44:18,822 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2023-11-19 07:44:18,834 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:44:18" (1/1) ...
[2023-11-19 07:44:18,834 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:44:18" (1/1) ...
[2023-11-19 07:44:18,838 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:44:18" (1/1) ...
[2023-11-19 07:44:18,838 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:44:18" (1/1) ...
[2023-11-19 07:44:18,847 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:44:18" (1/1) ...
[2023-11-19 07:44:18,854 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:44:18" (1/1) ...
[2023-11-19 07:44:18,857 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:44:18" (1/1) ...
[2023-11-19 07:44:18,859 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:44:18" (1/1) ...
[2023-11-19 07:44:18,864 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2023-11-19 07:44:18,875 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2023-11-19 07:44:18,875 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2023-11-19 07:44:18,875 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2023-11-19 07:44:18,876 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:44:18" (1/1) ...
[2023-11-19 07:44:18,884 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2023-11-19 07:44:18,914 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a68fbc9-ff5e-4006-9f38-2dd1f88c2b82/bin/uautomizer-verify-uCwYo4JHxu/z3
[2023-11-19 07:44:18,929 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a68fbc9-ff5e-4006-9f38-2dd1f88c2b82/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2023-11-19 07:44:18,932 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a68fbc9-ff5e-4006-9f38-2dd1f88c2b82/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process
[2023-11-19 07:44:18,977 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2023-11-19 07:44:18,977 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int
[2023-11-19 07:44:18,977 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2023-11-19 07:44:18,977 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2023-11-19 07:44:19,068 INFO  L236             CfgBuilder]: Building ICFG
[2023-11-19 07:44:19,070 INFO  L262             CfgBuilder]: Building CFG for each procedure with an implementation
[2023-11-19 07:44:19,456 INFO  L277             CfgBuilder]: Performing block encoding
[2023-11-19 07:44:19,468 INFO  L297             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2023-11-19 07:44:19,468 INFO  L302             CfgBuilder]: Removed 2 assume(true) statements.
[2023-11-19 07:44:19,474 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:44:19 BoogieIcfgContainer
[2023-11-19 07:44:19,474 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2023-11-19 07:44:19,476 INFO  L112        PluginConnector]: ------------------------BuchiAutomizer----------------------------
[2023-11-19 07:44:19,476 INFO  L270        PluginConnector]: Initializing BuchiAutomizer...
[2023-11-19 07:44:19,480 INFO  L274        PluginConnector]: BuchiAutomizer initialized
[2023-11-19 07:44:19,481 INFO  L99          BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis
[2023-11-19 07:44:19,482 INFO  L184        PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 19.11 07:44:18" (1/3) ...
[2023-11-19 07:44:19,483 INFO  L204        PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@59ee88e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.11 07:44:19, skipping insertion in model container
[2023-11-19 07:44:19,483 INFO  L99          BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis
[2023-11-19 07:44:19,483 INFO  L184        PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:44:18" (2/3) ...
[2023-11-19 07:44:19,484 INFO  L204        PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@59ee88e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.11 07:44:19, skipping insertion in model container
[2023-11-19 07:44:19,484 INFO  L99          BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis
[2023-11-19 07:44:19,484 INFO  L184        PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:44:19" (3/3) ...
[2023-11-19 07:44:19,486 INFO  L332   chiAutomizerObserver]: Analyzing ICFG minepump_spec2_product34.cil.c
[2023-11-19 07:44:19,552 INFO  L303   stractBuchiCegarLoop]: Interprodecural is true
[2023-11-19 07:44:19,553 INFO  L304   stractBuchiCegarLoop]: Hoare is false
[2023-11-19 07:44:19,553 INFO  L305   stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates
[2023-11-19 07:44:19,553 INFO  L306   stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE
[2023-11-19 07:44:19,553 INFO  L307   stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2023-11-19 07:44:19,554 INFO  L308   stractBuchiCegarLoop]: Difference is false
[2023-11-19 07:44:19,554 INFO  L309   stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA
[2023-11-19 07:44:19,554 INFO  L313   stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ========
[2023-11-19 07:44:19,573 INFO  L72            BuchiIsEmpty]: Start buchiIsEmpty. Operand  has 113 states, 112 states have (on average 1.3839285714285714) internal successors, (155), 112 states have internal predecessors, (155), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-19 07:44:19,611 INFO  L131   ngComponentsAnalysis]: Automaton has 2 accepting balls. 71
[2023-11-19 07:44:19,612 INFO  L87            BuchiIsEmpty]: Finished buchiIsEmpty Result is false
[2023-11-19 07:44:19,612 INFO  L119           BuchiIsEmpty]: Starting construction of run
[2023-11-19 07:44:19,620 INFO  L148   hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-19 07:44:19,620 INFO  L149   hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-19 07:44:19,621 INFO  L335   stractBuchiCegarLoop]: ======== Iteration 1 ============
[2023-11-19 07:44:19,623 INFO  L72            BuchiIsEmpty]: Start buchiIsEmpty. Operand  has 113 states, 112 states have (on average 1.3839285714285714) internal successors, (155), 112 states have internal predecessors, (155), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-19 07:44:19,642 INFO  L131   ngComponentsAnalysis]: Automaton has 2 accepting balls. 71
[2023-11-19 07:44:19,642 INFO  L87            BuchiIsEmpty]: Finished buchiIsEmpty Result is false
[2023-11-19 07:44:19,644 INFO  L119           BuchiIsEmpty]: Starting construction of run
[2023-11-19 07:44:19,645 INFO  L148   hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-19 07:44:19,646 INFO  L149   hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-19 07:44:19,651 INFO  L748   eck$LassoCheckResult]: Stem: 30#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~methAndRunningLastTime~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1; 37#L-1true 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; 24#select_helpers_returnLabel#1true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 92#select_features_returnLabel#1true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~5#1;havoc valid_product_~retValue_acc~5#1;valid_product_~retValue_acc~5#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~5#1; 81#valid_product_returnLabel#1true main_#t~ret4#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~5#1;assume { :end_inline_valid_product } true;main_~tmp~0#1 := main_#t~ret4#1;havoc main_#t~ret4#1; 87#L142true assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true; 63#setup_returnLabel#1true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification2_spec__1 } true;~methAndRunningLastTime~0 := 0; 90#__utac_acc__Specification2_spec__1_returnLabel#1true assume { :end_inline___utac_acc__Specification2_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet36#1, test_#t~nondet37#1, test_#t~nondet38#1, test_#t~nondet39#1, test_~splverifierCounter~0#1, test_~tmp~5#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~5#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 88#L716-2true 
[2023-11-19 07:44:19,652 INFO  L750   eck$LassoCheckResult]: Loop: 88#L716-2true assume !false; 19#L717true assume test_~splverifierCounter~0#1 < 4; 83#L718true havoc test_#t~nondet36#1;test_~tmp~5#1 := test_#t~nondet36#1;havoc test_#t~nondet36#1; 82#L726true assume !(0 != test_~tmp~5#1); 68#L726-2true havoc test_#t~nondet37#1;test_~tmp___0~1#1 := test_#t~nondet37#1;havoc test_#t~nondet37#1; 33#L736true assume !(0 != test_~tmp___0~1#1); 40#L736-2true havoc test_#t~nondet38#1;test_~tmp___2~0#1 := test_#t~nondet38#1;havoc test_#t~nondet38#1; 78#L746true assume !(0 != test_~tmp___2~0#1);havoc test_#t~nondet39#1;test_~tmp___1~0#1 := test_#t~nondet39#1;havoc test_#t~nondet39#1; 7#L754true assume 0 != test_~tmp___1~0#1; 56#L754-2true assume { :begin_inline_timeShift } true; 101#L782true assume !(0 != ~pumpRunning~0); 21#L782-2true assume !(0 != ~systemActive~0); 46#L789-1true assume { :begin_inline___utac_acc__Specification2_spec__2 } true;havoc __utac_acc__Specification2_spec__2_#t~ret10#1, __utac_acc__Specification2_spec__2_#t~ret11#1, __utac_acc__Specification2_spec__2_~tmp~1#1, __utac_acc__Specification2_spec__2_~tmp___0~0#1;havoc __utac_acc__Specification2_spec__2_~tmp~1#1;havoc __utac_acc__Specification2_spec__2_~tmp___0~0#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~1#1;havoc isMethaneLevelCritical_~retValue_acc~1#1;isMethaneLevelCritical_~retValue_acc~1#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~1#1; 103#isMethaneLevelCritical_returnLabel#1true __utac_acc__Specification2_spec__2_#t~ret10#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~1#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification2_spec__2_~tmp~1#1 := __utac_acc__Specification2_spec__2_#t~ret10#1;havoc __utac_acc__Specification2_spec__2_#t~ret10#1; 6#L282true assume !(0 != __utac_acc__Specification2_spec__2_~tmp~1#1);~methAndRunningLastTime~0 := 0; 60#L282-1true havoc __utac_acc__Specification2_spec__2_#t~ret10#1, __utac_acc__Specification2_spec__2_#t~ret11#1, __utac_acc__Specification2_spec__2_~tmp~1#1, __utac_acc__Specification2_spec__2_~tmp___0~0#1;assume { :end_inline___utac_acc__Specification2_spec__2 } true; 53#timeShift_returnLabel#1true assume { :end_inline_timeShift } true; 88#L716-2true 
[2023-11-19 07:44:19,660 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:44:19,660 INFO  L85        PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 1 times
[2023-11-19 07:44:19,673 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 07:44:19,674 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1011264720]
[2023-11-19 07:44:19,674 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:44:19,675 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 07:44:19,912 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2023-11-19 07:44:19,913 INFO  L356             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2023-11-19 07:44:19,951 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2023-11-19 07:44:19,986 INFO  L130   FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2023-11-19 07:44:19,989 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:44:19,989 INFO  L85        PathProgramCache]: Analyzing trace with hash 1140615756, now seen corresponding path program 1 times
[2023-11-19 07:44:19,989 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 07:44:19,990 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2047517869]
[2023-11-19 07:44:19,990 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:44:19,990 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 07:44:20,004 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2023-11-19 07:44:20,005 INFO  L356             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2023-11-19 07:44:20,014 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2023-11-19 07:44:20,020 INFO  L130   FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2023-11-19 07:44:20,022 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:44:20,022 INFO  L85        PathProgramCache]: Analyzing trace with hash 404674179, now seen corresponding path program 1 times
[2023-11-19 07:44:20,023 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 07:44:20,023 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2130630665]
[2023-11-19 07:44:20,023 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:44:20,024 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 07:44:20,057 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:44:20,389 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-19 07:44:20,389 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 07:44:20,390 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2130630665]
[2023-11-19 07:44:20,390 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2130630665] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 07:44:20,391 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 07:44:20,391 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2023-11-19 07:44:20,391 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [768618783]
[2023-11-19 07:44:20,392 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 07:44:20,626 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 07:44:20,667 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2023-11-19 07:44:20,669 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30
[2023-11-19 07:44:20,672 INFO  L87              Difference]: Start difference. First operand  has 113 states, 112 states have (on average 1.3839285714285714) internal successors, (155), 112 states have internal predecessors, (155), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand  has 6 states, 6 states have (on average 4.166666666666667) internal successors, (25), 5 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-19 07:44:20,786 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-19 07:44:20,786 INFO  L93              Difference]: Finished difference Result 107 states and 138 transitions.
[2023-11-19 07:44:20,788 INFO  L82        GeneralOperation]: Start removeNonLiveStates. Operand 107 states and 138 transitions.
[2023-11-19 07:44:20,794 INFO  L131   ngComponentsAnalysis]: Automaton has 2 accepting balls. 65
[2023-11-19 07:44:20,801 INFO  L88        GeneralOperation]: Finished removeNonLiveStates. Reduced from 107 states to 97 states and 128 transitions.
[2023-11-19 07:44:20,803 INFO  L87         BuchiClosureNwa]: Accepting states before buchiClosure: 97
[2023-11-19 07:44:20,804 INFO  L106        BuchiClosureNwa]: Accepting states after buchiClosure: 97
[2023-11-19 07:44:20,805 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 97 states and 128 transitions.
[2023-11-19 07:44:20,806 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2023-11-19 07:44:20,806 INFO  L218   hiAutomatonCegarLoop]: Abstraction has 97 states and 128 transitions.
[2023-11-19 07:44:20,832 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 97 states and 128 transitions.
[2023-11-19 07:44:20,848 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 97 to 97.
[2023-11-19 07:44:20,850 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 97 states, 97 states have (on average 1.3195876288659794) internal successors, (128), 96 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-19 07:44:20,852 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 128 transitions.
[2023-11-19 07:44:20,854 INFO  L240   hiAutomatonCegarLoop]: Abstraction has 97 states and 128 transitions.
[2023-11-19 07:44:20,855 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2023-11-19 07:44:20,862 INFO  L428   stractBuchiCegarLoop]: Abstraction has 97 states and 128 transitions.
[2023-11-19 07:44:20,863 INFO  L335   stractBuchiCegarLoop]: ======== Iteration 2 ============
[2023-11-19 07:44:20,863 INFO  L72            BuchiIsEmpty]: Start buchiIsEmpty. Operand 97 states and 128 transitions.
[2023-11-19 07:44:20,865 INFO  L131   ngComponentsAnalysis]: Automaton has 2 accepting balls. 65
[2023-11-19 07:44:20,865 INFO  L87            BuchiIsEmpty]: Finished buchiIsEmpty Result is false
[2023-11-19 07:44:20,865 INFO  L119           BuchiIsEmpty]: Starting construction of run
[2023-11-19 07:44:20,866 INFO  L148   hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-19 07:44:20,866 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]
[2023-11-19 07:44:20,867 INFO  L748   eck$LassoCheckResult]: Stem: 281#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~methAndRunningLastTime~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1; 282#L-1 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; 277#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 278#select_features_returnLabel#1 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~5#1;havoc valid_product_~retValue_acc~5#1;valid_product_~retValue_acc~5#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~5#1; 328#valid_product_returnLabel#1 main_#t~ret4#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~5#1;assume { :end_inline_valid_product } true;main_~tmp~0#1 := main_#t~ret4#1;havoc main_#t~ret4#1; 329#L142 assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true; 314#setup_returnLabel#1 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification2_spec__1 } true;~methAndRunningLastTime~0 := 0; 315#__utac_acc__Specification2_spec__1_returnLabel#1 assume { :end_inline___utac_acc__Specification2_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet36#1, test_#t~nondet37#1, test_#t~nondet38#1, test_#t~nondet39#1, test_~splverifierCounter~0#1, test_~tmp~5#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~5#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 307#L716-2 
[2023-11-19 07:44:20,867 INFO  L750   eck$LassoCheckResult]: Loop: 307#L716-2 assume !false; 266#L717 assume test_~splverifierCounter~0#1 < 4; 267#L718 havoc test_#t~nondet36#1;test_~tmp~5#1 := test_#t~nondet36#1;havoc test_#t~nondet36#1; 330#L726 assume !(0 != test_~tmp~5#1); 276#L726-2 havoc test_#t~nondet37#1;test_~tmp___0~1#1 := test_#t~nondet37#1;havoc test_#t~nondet37#1; 286#L736 assume !(0 != test_~tmp___0~1#1); 288#L736-2 havoc test_#t~nondet38#1;test_~tmp___2~0#1 := test_#t~nondet38#1;havoc test_#t~nondet38#1; 293#L746 assume !(0 != test_~tmp___2~0#1);havoc test_#t~nondet39#1;test_~tmp___1~0#1 := test_#t~nondet39#1;havoc test_#t~nondet39#1; 245#L754 assume 0 != test_~tmp___1~0#1; 246#L754-2 assume { :begin_inline_timeShift } true; 310#L782 assume !(0 != ~pumpRunning~0); 271#L782-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret40#1, processEnvironment_~tmp~6#1;havoc processEnvironment_~tmp~6#1; 272#L814 assume !(0 == ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 319#processEnvironment__wrappee__base_returnLabel#2 assume { :end_inline_processEnvironment__wrappee__base } true; 250#L814-1 havoc processEnvironment_#t~ret40#1, processEnvironment_~tmp~6#1;assume { :end_inline_processEnvironment } true; 299#L789-1 assume { :begin_inline___utac_acc__Specification2_spec__2 } true;havoc __utac_acc__Specification2_spec__2_#t~ret10#1, __utac_acc__Specification2_spec__2_#t~ret11#1, __utac_acc__Specification2_spec__2_~tmp~1#1, __utac_acc__Specification2_spec__2_~tmp___0~0#1;havoc __utac_acc__Specification2_spec__2_~tmp~1#1;havoc __utac_acc__Specification2_spec__2_~tmp___0~0#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~1#1;havoc isMethaneLevelCritical_~retValue_acc~1#1;isMethaneLevelCritical_~retValue_acc~1#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~1#1; 300#isMethaneLevelCritical_returnLabel#1 __utac_acc__Specification2_spec__2_#t~ret10#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~1#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification2_spec__2_~tmp~1#1 := __utac_acc__Specification2_spec__2_#t~ret10#1;havoc __utac_acc__Specification2_spec__2_#t~ret10#1; 242#L282 assume !(0 != __utac_acc__Specification2_spec__2_~tmp~1#1);~methAndRunningLastTime~0 := 0; 243#L282-1 havoc __utac_acc__Specification2_spec__2_#t~ret10#1, __utac_acc__Specification2_spec__2_#t~ret11#1, __utac_acc__Specification2_spec__2_~tmp~1#1, __utac_acc__Specification2_spec__2_~tmp___0~0#1;assume { :end_inline___utac_acc__Specification2_spec__2 } true; 306#timeShift_returnLabel#1 assume { :end_inline_timeShift } true; 307#L716-2 
[2023-11-19 07:44:20,868 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:44:20,868 INFO  L85        PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 2 times
[2023-11-19 07:44:20,868 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 07:44:20,869 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [477865619]
[2023-11-19 07:44:20,869 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:44:20,869 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 07:44:20,885 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2023-11-19 07:44:20,885 INFO  L356             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2023-11-19 07:44:20,896 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2023-11-19 07:44:20,908 INFO  L130   FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2023-11-19 07:44:20,909 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:44:20,909 INFO  L85        PathProgramCache]: Analyzing trace with hash -552432529, now seen corresponding path program 1 times
[2023-11-19 07:44:20,909 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 07:44:20,910 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1742369644]
[2023-11-19 07:44:20,910 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:44:20,910 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 07:44:20,933 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:44:20,981 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-19 07:44:20,982 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 07:44:20,982 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1742369644]
[2023-11-19 07:44:20,983 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1742369644] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 07:44:20,983 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 07:44:20,983 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2023-11-19 07:44:20,983 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [957280636]
[2023-11-19 07:44:20,984 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 07:44:20,984 INFO  L765   eck$LassoCheckResult]: loop already infeasible
[2023-11-19 07:44:20,985 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 07:44:20,985 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2023-11-19 07:44:20,986 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-11-19 07:44:20,986 INFO  L87              Difference]: Start difference. First operand 97 states and 128 transitions. cyclomatic complexity: 33 Second operand  has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-19 07:44:21,093 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-19 07:44:21,093 INFO  L93              Difference]: Finished difference Result 153 states and 197 transitions.
[2023-11-19 07:44:21,093 INFO  L82        GeneralOperation]: Start removeNonLiveStates. Operand 153 states and 197 transitions.
[2023-11-19 07:44:21,099 INFO  L131   ngComponentsAnalysis]: Automaton has 2 accepting balls. 108
[2023-11-19 07:44:21,102 INFO  L88        GeneralOperation]: Finished removeNonLiveStates. Reduced from 153 states to 153 states and 197 transitions.
[2023-11-19 07:44:21,102 INFO  L87         BuchiClosureNwa]: Accepting states before buchiClosure: 153
[2023-11-19 07:44:21,103 INFO  L106        BuchiClosureNwa]: Accepting states after buchiClosure: 153
[2023-11-19 07:44:21,104 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 153 states and 197 transitions.
[2023-11-19 07:44:21,105 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2023-11-19 07:44:21,106 INFO  L218   hiAutomatonCegarLoop]: Abstraction has 153 states and 197 transitions.
[2023-11-19 07:44:21,106 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 153 states and 197 transitions.
[2023-11-19 07:44:21,134 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 153 to 153.
[2023-11-19 07:44:21,135 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 153 states, 153 states have (on average 1.2875816993464053) internal successors, (197), 152 states have internal predecessors, (197), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-19 07:44:21,143 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 153 states and 197 transitions.
[2023-11-19 07:44:21,144 INFO  L240   hiAutomatonCegarLoop]: Abstraction has 153 states and 197 transitions.
[2023-11-19 07:44:21,146 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2023-11-19 07:44:21,149 INFO  L428   stractBuchiCegarLoop]: Abstraction has 153 states and 197 transitions.
[2023-11-19 07:44:21,150 INFO  L335   stractBuchiCegarLoop]: ======== Iteration 3 ============
[2023-11-19 07:44:21,150 INFO  L72            BuchiIsEmpty]: Start buchiIsEmpty. Operand 153 states and 197 transitions.
[2023-11-19 07:44:21,153 INFO  L131   ngComponentsAnalysis]: Automaton has 2 accepting balls. 108
[2023-11-19 07:44:21,153 INFO  L87            BuchiIsEmpty]: Finished buchiIsEmpty Result is false
[2023-11-19 07:44:21,153 INFO  L119           BuchiIsEmpty]: Starting construction of run
[2023-11-19 07:44:21,154 INFO  L148   hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-19 07:44:21,155 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]
[2023-11-19 07:44:21,155 INFO  L748   eck$LassoCheckResult]: Stem: 541#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~methAndRunningLastTime~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1; 542#L-1 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; 534#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 535#select_features_returnLabel#1 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~5#1;havoc valid_product_~retValue_acc~5#1;valid_product_~retValue_acc~5#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~5#1; 590#valid_product_returnLabel#1 main_#t~ret4#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~5#1;assume { :end_inline_valid_product } true;main_~tmp~0#1 := main_#t~ret4#1;havoc main_#t~ret4#1; 591#L142 assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true; 576#setup_returnLabel#1 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification2_spec__1 } true;~methAndRunningLastTime~0 := 0; 577#__utac_acc__Specification2_spec__1_returnLabel#1 assume { :end_inline___utac_acc__Specification2_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet36#1, test_#t~nondet37#1, test_#t~nondet38#1, test_#t~nondet39#1, test_~splverifierCounter~0#1, test_~tmp~5#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~5#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 594#L716-2 
[2023-11-19 07:44:21,156 INFO  L750   eck$LassoCheckResult]: Loop: 594#L716-2 assume !false; 523#L717 assume test_~splverifierCounter~0#1 < 4; 524#L718 havoc test_#t~nondet36#1;test_~tmp~5#1 := test_#t~nondet36#1;havoc test_#t~nondet36#1; 592#L726 assume !(0 != test_~tmp~5#1); 533#L726-2 havoc test_#t~nondet37#1;test_~tmp___0~1#1 := test_#t~nondet37#1;havoc test_#t~nondet37#1; 546#L736 assume !(0 != test_~tmp___0~1#1); 548#L736-2 havoc test_#t~nondet38#1;test_~tmp___2~0#1 := test_#t~nondet38#1;havoc test_#t~nondet38#1; 554#L746 assume !(0 != test_~tmp___2~0#1);havoc test_#t~nondet39#1;test_~tmp___1~0#1 := test_#t~nondet39#1;havoc test_#t~nondet39#1; 501#L754 assume 0 != test_~tmp___1~0#1; 502#L754-2 assume { :begin_inline_timeShift } true; 571#L782 assume !(0 != ~pumpRunning~0); 528#L782-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret40#1, processEnvironment_~tmp~6#1;havoc processEnvironment_~tmp~6#1; 529#L814 assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret50#1, isHighWaterLevel_~retValue_acc~11#1, isHighWaterLevel_~tmp~7#1, isHighWaterLevel_~tmp___0~2#1;havoc isHighWaterLevel_~retValue_acc~11#1;havoc isHighWaterLevel_~tmp~7#1;havoc isHighWaterLevel_~tmp___0~2#1;assume { :begin_inline_isHighWaterSensorDry } true;havoc isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~3#1;havoc isHighWaterSensorDry_~retValue_acc~3#1; 509#L244 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~3#1 := 1;isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~3#1; 510#isHighWaterSensorDry_returnLabel#1 isHighWaterLevel_#t~ret50#1 := isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~3#1;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~7#1 := isHighWaterLevel_#t~ret50#1;havoc isHighWaterLevel_#t~ret50#1; 520#L916 assume 0 != isHighWaterLevel_~tmp~7#1;isHighWaterLevel_~tmp___0~2#1 := 0; 511#L916-2 isHighWaterLevel_~retValue_acc~11#1 := isHighWaterLevel_~tmp___0~2#1;isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~11#1; 512#isHighWaterLevel_returnLabel#1 processEnvironment_#t~ret40#1 := isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret50#1, isHighWaterLevel_~retValue_acc~11#1, isHighWaterLevel_~tmp~7#1, isHighWaterLevel_~tmp___0~2#1;assume { :end_inline_isHighWaterLevel } true;processEnvironment_~tmp~6#1 := processEnvironment_#t~ret40#1;havoc processEnvironment_#t~ret40#1; 587#L818 assume !(0 != processEnvironment_~tmp~6#1);assume { :begin_inline_processEnvironment__wrappee__base } true; 518#processEnvironment__wrappee__base_returnLabel#1 assume { :end_inline_processEnvironment__wrappee__base } true; 519#L814-1 havoc processEnvironment_#t~ret40#1, processEnvironment_~tmp~6#1;assume { :end_inline_processEnvironment } true; 626#L789-1 assume { :begin_inline___utac_acc__Specification2_spec__2 } true;havoc __utac_acc__Specification2_spec__2_#t~ret10#1, __utac_acc__Specification2_spec__2_#t~ret11#1, __utac_acc__Specification2_spec__2_~tmp~1#1, __utac_acc__Specification2_spec__2_~tmp___0~0#1;havoc __utac_acc__Specification2_spec__2_~tmp~1#1;havoc __utac_acc__Specification2_spec__2_~tmp___0~0#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~1#1;havoc isMethaneLevelCritical_~retValue_acc~1#1;isMethaneLevelCritical_~retValue_acc~1#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~1#1; 625#isMethaneLevelCritical_returnLabel#1 __utac_acc__Specification2_spec__2_#t~ret10#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~1#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification2_spec__2_~tmp~1#1 := __utac_acc__Specification2_spec__2_#t~ret10#1;havoc __utac_acc__Specification2_spec__2_#t~ret10#1; 621#L282 assume !(0 != __utac_acc__Specification2_spec__2_~tmp~1#1);~methAndRunningLastTime~0 := 0; 620#L282-1 havoc __utac_acc__Specification2_spec__2_#t~ret10#1, __utac_acc__Specification2_spec__2_#t~ret11#1, __utac_acc__Specification2_spec__2_~tmp~1#1, __utac_acc__Specification2_spec__2_~tmp___0~0#1;assume { :end_inline___utac_acc__Specification2_spec__2 } true; 619#timeShift_returnLabel#1 assume { :end_inline_timeShift } true; 594#L716-2 
[2023-11-19 07:44:21,157 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:44:21,157 INFO  L85        PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 3 times
[2023-11-19 07:44:21,157 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 07:44:21,158 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [460331976]
[2023-11-19 07:44:21,158 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:44:21,158 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 07:44:21,190 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2023-11-19 07:44:21,191 INFO  L356             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2023-11-19 07:44:21,220 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2023-11-19 07:44:21,240 INFO  L130   FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2023-11-19 07:44:21,241 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:44:21,241 INFO  L85        PathProgramCache]: Analyzing trace with hash -1828961865, now seen corresponding path program 1 times
[2023-11-19 07:44:21,241 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 07:44:21,242 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1842036277]
[2023-11-19 07:44:21,242 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:44:21,242 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 07:44:21,254 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2023-11-19 07:44:21,259 INFO  L356             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2023-11-19 07:44:21,266 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2023-11-19 07:44:21,280 INFO  L130   FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2023-11-19 07:44:21,281 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:44:21,281 INFO  L85        PathProgramCache]: Analyzing trace with hash -1130716320, now seen corresponding path program 1 times
[2023-11-19 07:44:21,282 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 07:44:21,282 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [712194660]
[2023-11-19 07:44:21,282 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:44:21,282 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 07:44:21,315 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2023-11-19 07:44:21,316 INFO  L356             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2023-11-19 07:44:21,325 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2023-11-19 07:44:21,351 INFO  L130   FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2023-11-19 07:44:23,017 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2023-11-19 07:44:23,017 INFO  L356             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2023-11-19 07:44:23,037 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2023-11-19 07:44:23,140 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 19.11 07:44:23 BoogieIcfgContainer
[2023-11-19 07:44:23,140 INFO  L131        PluginConnector]: ------------------------ END BuchiAutomizer----------------------------
[2023-11-19 07:44:23,141 INFO  L112        PluginConnector]: ------------------------Witness Printer----------------------------
[2023-11-19 07:44:23,141 INFO  L270        PluginConnector]: Initializing Witness Printer...
[2023-11-19 07:44:23,141 INFO  L274        PluginConnector]: Witness Printer initialized
[2023-11-19 07:44:23,142 INFO  L184        PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:44:19" (3/4) ...
[2023-11-19 07:44:23,143 INFO  L134         WitnessPrinter]: Generating witness for non-termination counterexample
[2023-11-19 07:44:23,253 INFO  L149         WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a68fbc9-ff5e-4006-9f38-2dd1f88c2b82/bin/uautomizer-verify-uCwYo4JHxu/witness.graphml
[2023-11-19 07:44:23,253 INFO  L131        PluginConnector]: ------------------------ END Witness Printer----------------------------
[2023-11-19 07:44:23,255 INFO  L158              Benchmark]: Toolchain (without parser) took 5132.43ms. Allocated memory was 138.4MB in the beginning and 186.6MB in the end (delta: 48.2MB). Free memory was 97.1MB in the beginning and 127.1MB in the end (delta: -29.9MB). Peak memory consumption was 19.8MB. Max. memory is 16.1GB.
[2023-11-19 07:44:23,256 INFO  L158              Benchmark]: CDTParser took 0.84ms. Allocated memory is still 138.4MB. Free memory is still 105.9MB. There was no memory consumed. Max. memory is 16.1GB.
[2023-11-19 07:44:23,257 INFO  L158              Benchmark]: CACSL2BoogieTranslator took 606.47ms. Allocated memory is still 138.4MB. Free memory was 97.1MB in the beginning and 78.2MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB.
[2023-11-19 07:44:23,257 INFO  L158              Benchmark]: Boogie Procedure Inliner took 87.88ms. Allocated memory is still 138.4MB. Free memory was 78.2MB in the beginning and 75.7MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2023-11-19 07:44:23,258 INFO  L158              Benchmark]: Boogie Preprocessor took 42.65ms. Allocated memory is still 138.4MB. Free memory was 75.7MB in the beginning and 73.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2023-11-19 07:44:23,258 INFO  L158              Benchmark]: RCFGBuilder took 599.83ms. Allocated memory is still 138.4MB. Free memory was 73.6MB in the beginning and 55.2MB in the end (delta: 18.4MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB.
[2023-11-19 07:44:23,259 INFO  L158              Benchmark]: BuchiAutomizer took 3664.32ms. Allocated memory was 138.4MB in the beginning and 186.6MB in the end (delta: 48.2MB). Free memory was 55.2MB in the beginning and 130.2MB in the end (delta: -75.0MB). There was no memory consumed. Max. memory is 16.1GB.
[2023-11-19 07:44:23,259 INFO  L158              Benchmark]: Witness Printer took 112.83ms. Allocated memory is still 186.6MB. Free memory was 130.2MB in the beginning and 127.1MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB.
[2023-11-19 07:44:23,262 INFO  L338   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.84ms. Allocated memory is still 138.4MB. Free memory is still 105.9MB. There was no memory consumed. Max. memory is 16.1GB.
 * CACSL2BoogieTranslator took 606.47ms. Allocated memory is still 138.4MB. Free memory was 97.1MB in the beginning and 78.2MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB.
 * Boogie Procedure Inliner took 87.88ms. Allocated memory is still 138.4MB. Free memory was 78.2MB in the beginning and 75.7MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
 * Boogie Preprocessor took 42.65ms. Allocated memory is still 138.4MB. Free memory was 75.7MB in the beginning and 73.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
 * RCFGBuilder took 599.83ms. Allocated memory is still 138.4MB. Free memory was 73.6MB in the beginning and 55.2MB in the end (delta: 18.4MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB.
 * BuchiAutomizer took 3664.32ms. Allocated memory was 138.4MB in the beginning and 186.6MB in the end (delta: 48.2MB). Free memory was 55.2MB in the beginning and 130.2MB in the end (delta: -75.0MB). There was no memory consumed. Max. memory is 16.1GB.
 * Witness Printer took 112.83ms. Allocated memory is still 186.6MB. Free memory was 130.2MB in the beginning and 127.1MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB.
 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator:
  - GenericResultAtLocation [Line: 49]: Unsoundness Warning
    Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [49]
  - GenericResultAtLocation [Line: 155]: Unsoundness Warning
    Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [155]
  - GenericResultAtLocation [Line: 254]: Unsoundness Warning
    Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [254]
  - GenericResultAtLocation [Line: 263]: Unsoundness Warning
    Ignoring preprocessor pragma C: #pragma merger(0,"Specification2_spec.i","") [263]
  - GenericResultAtLocation [Line: 303]: Unsoundness Warning
    Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [303]
  - GenericResultAtLocation [Line: 338]: Unsoundness Warning
    Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [338]
  - GenericResultAtLocation [Line: 704]: Unsoundness Warning
    Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [704]
  - GenericResultAtLocation [Line: 772]: Unsoundness Warning
    Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [772]
 * 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 6 locations. The remainder module has 153 locations.
  - StatisticsResult: Timing statistics
    BüchiAutomizer plugin needed 3.5s and 3 iterations.  TraceHistogramMax:1. Analysis of lassos took 2.9s. Construction of modules took 0.0s. Büchi inclusion checks took 0.3s. Highest rank in rank-based complementation 0. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 0.1s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1.	Nontrivial modules had stage [0, 0, 0, 0, 0].	InterpolantCoveringCapabilityFinite: 0/0	InterpolantCoveringCapabilityBuchi: 0/0	HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 499 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 499 mSDsluCounter, 370 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 80 mSDsCounter, 18 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 30 IncrementalHoareTripleChecker+Invalid, 48 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 18 mSolverCounterUnsat, 290 mSDtfsCounter, 30 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: 716]: Nontermination argument in form of an infinite program execution.
    Nontermination argument in form of an infinite program execution.
Stem:
[L50]               int cleanupTimeShifts  =    4;
[L161]              int waterLevel  =    1;
[L162]              int methaneLevelCritical  =    0;
[L265]              int methAndRunningLastTime  ;
[L508]              static struct __ACC__ERR *head  =    (struct __ACC__ERR *)0;
[L775]              int pumpRunning  =    0;
[L776]              int systemActive  =    1;
        VAL         [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1]
[L133]              int retValue_acc ;
[L134]              int tmp ;
[L138]  FCALL       select_helpers()
[L139]  FCALL       select_features()
[L140]  CALL, EXPR  valid_product()
[L330]              int retValue_acc ;
[L333]              retValue_acc = 1
[L334]              return (retValue_acc);
        VAL         [\result=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1]
[L140]  RET, EXPR   valid_product()
[L140]              tmp = valid_product()
[L142]  COND TRUE   \read(tmp)
[L144]  FCALL       setup()
[L145]  CALL        runTest()
[L123]  CALL        __utac_acc__Specification2_spec__1()
[L270]              methAndRunningLastTime = 0
        VAL         [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1]
[L123]  RET         __utac_acc__Specification2_spec__1()
[L124]  CALL        test()
[L707]              int splverifierCounter ;
[L708]              int tmp ;
[L709]              int tmp___0 ;
[L710]              int tmp___1 ;
[L711]              int tmp___2 ;
[L714]              splverifierCounter = 0
        VAL         [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1]
Loop:
[L716]  COND TRUE   1
[L718]  COND TRUE   splverifierCounter < 4
[L724]              tmp = __VERIFIER_nondet_int()
[L726]  COND FALSE  !(\read(tmp))
[L734]              tmp___0 = __VERIFIER_nondet_int()
[L736]  COND FALSE  !(\read(tmp___0))
[L744]              tmp___2 = __VERIFIER_nondet_int()
[L746]  COND FALSE  !(\read(tmp___2))
[L752]              tmp___1 = __VERIFIER_nondet_int()
[L754]  COND TRUE   \read(tmp___1)
[L761]  CALL        timeShift()
[L782]  COND FALSE  !(\read(pumpRunning))
[L789]  COND TRUE   \read(systemActive)
[L791]  CALL        processEnvironment()
[L811]              int tmp ;
[L814]  COND TRUE   ! pumpRunning
[L816]  CALL, EXPR  isHighWaterLevel()
[L908]              int retValue_acc ;
[L909]              int tmp ;
[L910]              int tmp___0 ;
[L914]  CALL, EXPR  isHighWaterSensorDry()
[L241]              int retValue_acc ;
[L244]  COND TRUE   waterLevel < 2
[L245]              retValue_acc = 1
[L246]              return (retValue_acc);
[L914]  RET, EXPR   isHighWaterSensorDry()
[L914]              tmp = isHighWaterSensorDry()
[L916]  COND TRUE   \read(tmp)
[L917]              tmp___0 = 0
[L921]              retValue_acc = tmp___0
[L922]              return (retValue_acc);
[L816]  RET, EXPR   isHighWaterLevel()
[L816]              tmp = isHighWaterLevel()
[L818]  COND FALSE  !(\read(tmp))
[L824]  FCALL       processEnvironment__wrappee__base()
[L791]  RET         processEnvironment()
[L797]  CALL        __utac_acc__Specification2_spec__2()
[L275]              int tmp ;
[L276]              int tmp___0 ;
[L280]  CALL, EXPR  isMethaneLevelCritical()
[L200]              int retValue_acc ;
[L203]              retValue_acc = methaneLevelCritical
[L204]              return (retValue_acc);
[L280]  RET, EXPR   isMethaneLevelCritical()
[L280]              tmp = isMethaneLevelCritical()
[L282]  COND FALSE  !(\read(tmp))
[L298]              methAndRunningLastTime = 0
[L797]  RET         __utac_acc__Specification2_spec__2()
[L761]  RET         timeShift()
End of lasso representation.
  - StatisticsResult: NonterminationArgumentStatistics
    Fixpoint
  - NonterminatingLassoResult [Line: 716]: Nonterminating execution
    Found a nonterminating execution for the following lasso shaped sequence of statements.
Stem:
[L50]               int cleanupTimeShifts  =    4;
[L161]              int waterLevel  =    1;
[L162]              int methaneLevelCritical  =    0;
[L265]              int methAndRunningLastTime  ;
[L508]              static struct __ACC__ERR *head  =    (struct __ACC__ERR *)0;
[L775]              int pumpRunning  =    0;
[L776]              int systemActive  =    1;
        VAL         [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1]
[L133]              int retValue_acc ;
[L134]              int tmp ;
[L138]  FCALL       select_helpers()
[L139]  FCALL       select_features()
[L140]  CALL, EXPR  valid_product()
[L330]              int retValue_acc ;
[L333]              retValue_acc = 1
[L334]              return (retValue_acc);
        VAL         [\result=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1]
[L140]  RET, EXPR   valid_product()
[L140]              tmp = valid_product()
[L142]  COND TRUE   \read(tmp)
[L144]  FCALL       setup()
[L145]  CALL        runTest()
[L123]  CALL        __utac_acc__Specification2_spec__1()
[L270]              methAndRunningLastTime = 0
        VAL         [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1]
[L123]  RET         __utac_acc__Specification2_spec__1()
[L124]  CALL        test()
[L707]              int splverifierCounter ;
[L708]              int tmp ;
[L709]              int tmp___0 ;
[L710]              int tmp___1 ;
[L711]              int tmp___2 ;
[L714]              splverifierCounter = 0
        VAL         [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1]
Loop:
[L716]  COND TRUE   1
[L718]  COND TRUE   splverifierCounter < 4
[L724]              tmp = __VERIFIER_nondet_int()
[L726]  COND FALSE  !(\read(tmp))
[L734]              tmp___0 = __VERIFIER_nondet_int()
[L736]  COND FALSE  !(\read(tmp___0))
[L744]              tmp___2 = __VERIFIER_nondet_int()
[L746]  COND FALSE  !(\read(tmp___2))
[L752]              tmp___1 = __VERIFIER_nondet_int()
[L754]  COND TRUE   \read(tmp___1)
[L761]  CALL        timeShift()
[L782]  COND FALSE  !(\read(pumpRunning))
[L789]  COND TRUE   \read(systemActive)
[L791]  CALL        processEnvironment()
[L811]              int tmp ;
[L814]  COND TRUE   ! pumpRunning
[L816]  CALL, EXPR  isHighWaterLevel()
[L908]              int retValue_acc ;
[L909]              int tmp ;
[L910]              int tmp___0 ;
[L914]  CALL, EXPR  isHighWaterSensorDry()
[L241]              int retValue_acc ;
[L244]  COND TRUE   waterLevel < 2
[L245]              retValue_acc = 1
[L246]              return (retValue_acc);
[L914]  RET, EXPR   isHighWaterSensorDry()
[L914]              tmp = isHighWaterSensorDry()
[L916]  COND TRUE   \read(tmp)
[L917]              tmp___0 = 0
[L921]              retValue_acc = tmp___0
[L922]              return (retValue_acc);
[L816]  RET, EXPR   isHighWaterLevel()
[L816]              tmp = isHighWaterLevel()
[L818]  COND FALSE  !(\read(tmp))
[L824]  FCALL       processEnvironment__wrappee__base()
[L791]  RET         processEnvironment()
[L797]  CALL        __utac_acc__Specification2_spec__2()
[L275]              int tmp ;
[L276]              int tmp___0 ;
[L280]  CALL, EXPR  isMethaneLevelCritical()
[L200]              int retValue_acc ;
[L203]              retValue_acc = methaneLevelCritical
[L204]              return (retValue_acc);
[L280]  RET, EXPR   isMethaneLevelCritical()
[L280]              tmp = isMethaneLevelCritical()
[L282]  COND FALSE  !(\read(tmp))
[L298]              methAndRunningLastTime = 0
[L797]  RET         __utac_acc__Specification2_spec__2()
[L761]  RET         timeShift()
End of lasso representation.
RESULT: Ultimate proved your program to be incorrect!
[2023-11-19 07:44:23,348 INFO  L552       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a68fbc9-ff5e-4006-9f38-2dd1f88c2b82/bin/uautomizer-verify-uCwYo4JHxu/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)