./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product60.cil.c --full-output --architecture 32bit
--------------------------------------------------------------------------------
Checking for termination
Using default analysis
Version 6497de01
Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64dbb6ce-346d-494c-97a8-0f649b933292/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64dbb6ce-346d-494c-97a8-0f649b933292/bin/uautomizer-verify-LYvppIcaGC/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64dbb6ce-346d-494c-97a8-0f649b933292/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64dbb6ce-346d-494c-97a8-0f649b933292/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product60.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64dbb6ce-346d-494c-97a8-0f649b933292/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64dbb6ce-346d-494c-97a8-0f649b933292/bin/uautomizer-verify-LYvppIcaGC --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) )
--witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 0fa225959be52b1defd5d055d32ae3a8dd944c37a01adb589e2f547028e60f67
--- Real Ultimate output ---
This is Ultimate 0.3.0-dev-6497de0
[2024-11-24 00:38:43,147 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2024-11-24 00:38:43,233 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64dbb6ce-346d-494c-97a8-0f649b933292/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Termination-32bit-Automizer_Default.epf
[2024-11-24 00:38:43,240 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2024-11-24 00:38:43,240 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-24 00:38:43,276 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-24 00:38:43,277 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-24 00:38:43,277 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-24 00:38:43,277 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-24 00:38:43,278 INFO L153 SettingsManager]: * Use memory slicer=true
[2024-11-24 00:38:43,278 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-24 00:38:43,278 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2024-11-24 00:38:43,278 INFO L153 SettingsManager]: * Use SBE=true
[2024-11-24 00:38:43,279 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults:
[2024-11-24 00:38:43,279 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3
[2024-11-24 00:38:43,279 INFO L153 SettingsManager]: * Use old map elimination=false
[2024-11-24 00:38:43,279 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false
[2024-11-24 00:38:43,279 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true
[2024-11-24 00:38:43,279 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES
[2024-11-24 00:38:43,280 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-24 00:38:43,280 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME
[2024-11-24 00:38:43,280 INFO L153 SettingsManager]: * sizeof long=4
[2024-11-24 00:38:43,280 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2024-11-24 00:38:43,280 INFO L153 SettingsManager]: * sizeof POINTER=4
[2024-11-24 00:38:43,281 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2024-11-24 00:38:43,281 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME
[2024-11-24 00:38:43,281 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME
[2024-11-24 00:38:43,281 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME
[2024-11-24 00:38:43,281 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false
[2024-11-24 00:38:43,281 INFO L153 SettingsManager]: * sizeof long double=12
[2024-11-24 00:38:43,282 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2024-11-24 00:38:43,282 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false
[2024-11-24 00:38:43,282 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR
[2024-11-24 00:38:43,282 INFO L153 SettingsManager]: * Use constant arrays=true
[2024-11-24 00:38:43,282 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-24 00:38:43,282 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-11-24 00:38:43,283 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-24 00:38:43,283 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL_NO_AM
[2024-11-24 00:38:43,283 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults:
[2024-11-24 00:38:43,283 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_64dbb6ce-346d-494c-97a8-0f649b933292/bin/uautomizer-verify-LYvppIcaGC
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) )
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0fa225959be52b1defd5d055d32ae3a8dd944c37a01adb589e2f547028e60f67
[2024-11-24 00:38:43,638 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-24 00:38:43,649 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-24 00:38:43,651 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-24 00:38:43,653 INFO L270 PluginConnector]: Initializing CDTParser...
[2024-11-24 00:38:43,653 INFO L274 PluginConnector]: CDTParser initialized
[2024-11-24 00:38:43,654 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64dbb6ce-346d-494c-97a8-0f649b933292/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/product-lines/minepump_spec1_product60.cil.c
[2024-11-24 00:38:47,103 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64dbb6ce-346d-494c-97a8-0f649b933292/bin/uautomizer-verify-LYvppIcaGC/data/5da09a2af/1b28353bb80c4638ab963cc1da3c23b0/FLAG00ec6adaa
[2024-11-24 00:38:47,546 INFO L384 CDTParser]: Found 1 translation units.
[2024-11-24 00:38:47,547 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64dbb6ce-346d-494c-97a8-0f649b933292/sv-benchmarks/c/product-lines/minepump_spec1_product60.cil.c
[2024-11-24 00:38:47,563 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64dbb6ce-346d-494c-97a8-0f649b933292/bin/uautomizer-verify-LYvppIcaGC/data/5da09a2af/1b28353bb80c4638ab963cc1da3c23b0/FLAG00ec6adaa
[2024-11-24 00:38:47,700 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64dbb6ce-346d-494c-97a8-0f649b933292/bin/uautomizer-verify-LYvppIcaGC/data/5da09a2af/1b28353bb80c4638ab963cc1da3c23b0
[2024-11-24 00:38:47,703 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-24 00:38:47,704 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2024-11-24 00:38:47,706 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-24 00:38:47,706 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-24 00:38:47,711 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-24 00:38:47,712 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 12:38:47" (1/1) ...
[2024-11-24 00:38:47,713 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@255cead9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:38:47, skipping insertion in model container
[2024-11-24 00:38:47,713 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 12:38:47" (1/1) ...
[2024-11-24 00:38:47,758 INFO L175 MainTranslator]: Built tables and reachable declarations
[2024-11-24 00:38:48,200 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-24 00:38:48,220 INFO L200 MainTranslator]: Completed pre-run
[2024-11-24 00:38:48,230 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [49]
[2024-11-24 00:38:48,232 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [153]
[2024-11-24 00:38:48,232 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification1_spec.i","") [262]
[2024-11-24 00:38:48,232 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [290]
[2024-11-24 00:38:48,233 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [656]
[2024-11-24 00:38:48,233 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [665]
[2024-11-24 00:38:48,233 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [736]
[2024-11-24 00:38:48,233 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [976]
[2024-11-24 00:38:48,341 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-24 00:38:48,371 INFO L204 MainTranslator]: Completed translation
[2024-11-24 00:38:48,372 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:38:48 WrapperNode
[2024-11-24 00:38:48,372 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-24 00:38:48,373 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-24 00:38:48,373 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-24 00:38:48,373 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-24 00:38:48,385 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:38:48" (1/1) ...
[2024-11-24 00:38:48,403 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:38:48" (1/1) ...
[2024-11-24 00:38:48,450 INFO L138 Inliner]: procedures = 58, calls = 104, calls flagged for inlining = 57, calls inlined = 101, statements flattened = 683
[2024-11-24 00:38:48,451 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-24 00:38:48,451 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-24 00:38:48,451 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-24 00:38:48,451 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2024-11-24 00:38:48,462 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:38:48" (1/1) ...
[2024-11-24 00:38:48,462 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:38:48" (1/1) ...
[2024-11-24 00:38:48,466 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:38:48" (1/1) ...
[2024-11-24 00:38:48,504 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0].
[2024-11-24 00:38:48,504 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:38:48" (1/1) ...
[2024-11-24 00:38:48,505 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:38:48" (1/1) ...
[2024-11-24 00:38:48,520 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:38:48" (1/1) ...
[2024-11-24 00:38:48,521 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:38:48" (1/1) ...
[2024-11-24 00:38:48,528 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:38:48" (1/1) ...
[2024-11-24 00:38:48,529 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:38:48" (1/1) ...
[2024-11-24 00:38:48,531 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:38:48" (1/1) ...
[2024-11-24 00:38:48,543 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-24 00:38:48,544 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-24 00:38:48,544 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2024-11-24 00:38:48,544 INFO L274 PluginConnector]: RCFGBuilder initialized
[2024-11-24 00:38:48,545 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:38:48" (1/1) ...
[2024-11-24 00:38:48,560 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2024-11-24 00:38:48,578 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64dbb6ce-346d-494c-97a8-0f649b933292/bin/uautomizer-verify-LYvppIcaGC/z3
[2024-11-24 00:38:48,592 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64dbb6ce-346d-494c-97a8-0f649b933292/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2024-11-24 00:38:48,595 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64dbb6ce-346d-494c-97a8-0f649b933292/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process
[2024-11-24 00:38:48,628 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-24 00:38:48,628 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0
[2024-11-24 00:38:48,628 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-24 00:38:48,628 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-24 00:38:48,729 INFO L234 CfgBuilder]: Building ICFG
[2024-11-24 00:38:48,731 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-24 00:38:49,404 INFO L? ?]: Removed 166 outVars from TransFormulas that were not future-live.
[2024-11-24 00:38:49,405 INFO L283 CfgBuilder]: Performing block encoding
[2024-11-24 00:38:49,423 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-24 00:38:49,423 INFO L312 CfgBuilder]: Removed 4 assume(true) statements.
[2024-11-24 00:38:49,424 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 12:38:49 BoogieIcfgContainer
[2024-11-24 00:38:49,424 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-24 00:38:49,425 INFO L112 PluginConnector]: ------------------------BuchiAutomizer----------------------------
[2024-11-24 00:38:49,425 INFO L270 PluginConnector]: Initializing BuchiAutomizer...
[2024-11-24 00:38:49,433 INFO L274 PluginConnector]: BuchiAutomizer initialized
[2024-11-24 00:38:49,433 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis
[2024-11-24 00:38:49,434 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 24.11 12:38:47" (1/3) ...
[2024-11-24 00:38:49,436 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@b8b9235 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 24.11 12:38:49, skipping insertion in model container
[2024-11-24 00:38:49,436 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis
[2024-11-24 00:38:49,436 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:38:48" (2/3) ...
[2024-11-24 00:38:49,437 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@b8b9235 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 24.11 12:38:49, skipping insertion in model container
[2024-11-24 00:38:49,437 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis
[2024-11-24 00:38:49,437 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 12:38:49" (3/3) ...
[2024-11-24 00:38:49,439 INFO L363 chiAutomizerObserver]: Analyzing ICFG minepump_spec1_product60.cil.c
[2024-11-24 00:38:49,558 INFO L300 stractBuchiCegarLoop]: Interprodecural is true
[2024-11-24 00:38:49,559 INFO L301 stractBuchiCegarLoop]: Hoare is None
[2024-11-24 00:38:49,560 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates
[2024-11-24 00:38:49,560 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE
[2024-11-24 00:38:49,560 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2024-11-24 00:38:49,561 INFO L305 stractBuchiCegarLoop]: Difference is false
[2024-11-24 00:38:49,561 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA
[2024-11-24 00:38:49,561 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ========
[2024-11-24 00:38:49,569 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 192 states, 191 states have (on average 1.356020942408377) internal successors, (259), 191 states have internal predecessors, (259), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-24 00:38:49,613 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 125
[2024-11-24 00:38:49,614 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false
[2024-11-24 00:38:49,614 INFO L119 BuchiIsEmpty]: Starting construction of run
[2024-11-24 00:38:49,624 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1]
[2024-11-24 00:38:49,624 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-24 00:38:49,624 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============
[2024-11-24 00:38:49,627 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 192 states, 191 states have (on average 1.356020942408377) internal successors, (259), 191 states have internal predecessors, (259), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-24 00:38:49,644 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 125
[2024-11-24 00:38:49,644 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false
[2024-11-24 00:38:49,645 INFO L119 BuchiIsEmpty]: Starting construction of run
[2024-11-24 00:38:49,645 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1]
[2024-11-24 00:38:49,647 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-24 00:38:49,654 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;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 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;" "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~13#1;havoc valid_product_~retValue_acc~13#1;valid_product_~retValue_acc~13#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~13#1;" "main_#t~ret4#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~13#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~nondet35#1, test_#t~nondet36#1, test_#t~nondet37#1, test_#t~nondet38#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;"
[2024-11-24 00:38:49,655 INFO L749 eck$LassoCheckResult]: Loop: "assume test_~splverifierCounter~0#1 < 4;" "havoc test_#t~nondet35#1;test_~tmp~5#1 := test_#t~nondet35#1;havoc test_#t~nondet35#1;" "assume !(0 != test_~tmp~5#1);" "havoc test_#t~nondet36#1;test_~tmp___0~1#1 := test_#t~nondet36#1;havoc test_#t~nondet36#1;" "assume !(0 != test_~tmp___0~1#1);" "havoc test_#t~nondet37#1;test_~tmp___2~0#1 := test_#t~nondet37#1;havoc test_#t~nondet37#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__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret10#1, __utac_acc__Specification1_spec__1_#t~ret11#1, __utac_acc__Specification1_spec__1_~tmp~1#1, __utac_acc__Specification1_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification1_spec__1_~tmp~1#1;havoc __utac_acc__Specification1_spec__1_~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;" "__utac_acc__Specification1_spec__1_#t~ret10#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~1#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~1#1 := __utac_acc__Specification1_spec__1_#t~ret10#1;havoc __utac_acc__Specification1_spec__1_#t~ret10#1;" "assume !(0 != __utac_acc__Specification1_spec__1_~tmp~1#1);" "havoc __utac_acc__Specification1_spec__1_#t~ret10#1, __utac_acc__Specification1_spec__1_#t~ret11#1, __utac_acc__Specification1_spec__1_~tmp~1#1, __utac_acc__Specification1_spec__1_~tmp___0~0#1;assume { :end_inline___utac_acc__Specification1_spec__1 } true;" "assume { :end_inline_timeShift } true;"
[2024-11-24 00:38:49,661 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 00:38:49,662 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 1 times
[2024-11-24 00:38:49,672 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM
[2024-11-24 00:38:49,673 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [377341620]
[2024-11-24 00:38:49,675 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 00:38:49,676 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-24 00:38:49,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-24 00:38:49,800 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-11-24 00:38:49,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-24 00:38:49,859 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace
[2024-11-24 00:38:49,863 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 00:38:49,863 INFO L85 PathProgramCache]: Analyzing trace with hash -1256818321, now seen corresponding path program 1 times
[2024-11-24 00:38:49,863 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM
[2024-11-24 00:38:49,863 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [194453454]
[2024-11-24 00:38:49,863 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 00:38:49,863 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-24 00:38:49,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 00:38:50,010 INFO L136 FreeRefinementEngine]: Strategy CAMEL_NO_AM found an infeasible trace
[2024-11-24 00:38:50,011 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [194453454]
[2024-11-24 00:38:50,011 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [194453454] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-24 00:38:50,012 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [670346421]
[2024-11-24 00:38:50,012 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 00:38:50,012 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-24 00:38:50,012 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64dbb6ce-346d-494c-97a8-0f649b933292/bin/uautomizer-verify-LYvppIcaGC/z3
[2024-11-24 00:38:50,017 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64dbb6ce-346d-494c-97a8-0f649b933292/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-24 00:38:50,019 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64dbb6ce-346d-494c-97a8-0f649b933292/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process
[2024-11-24 00:38:50,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 00:38:50,101 INFO L256 TraceCheckSpWp]: Trace formula consists of 29 conjuncts, 2 conjuncts are in the unsatisfiable core
[2024-11-24 00:38:50,103 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-11-24 00:38:50,136 INFO L312 TraceCheckSpWp]: Computing backward predicates...
[2024-11-24 00:38:50,175 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [670346421] provided 0 perfect and 2 imperfect interpolant sequences
[2024-11-24 00:38:50,175 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-11-24 00:38:50,175 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 3
[2024-11-24 00:38:50,176 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1090042113]
[2024-11-24 00:38:50,177 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-11-24 00:38:50,189 INFO L764 eck$LassoCheckResult]: loop already infeasible
[2024-11-24 00:38:50,190 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM
[2024-11-24 00:38:50,230 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-24 00:38:50,231 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-24 00:38:50,234 INFO L87 Difference]: Start difference. First operand has 192 states, 191 states have (on average 1.356020942408377) internal successors, (259), 191 states have internal predecessors, (259), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-24 00:38:50,338 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-24 00:38:50,339 INFO L93 Difference]: Finished difference Result 363 states and 479 transitions.
[2024-11-24 00:38:50,340 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 363 states and 479 transitions.
[2024-11-24 00:38:50,348 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 236
[2024-11-24 00:38:50,359 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 363 states to 343 states and 458 transitions.
[2024-11-24 00:38:50,361 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 343
[2024-11-24 00:38:50,362 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 343
[2024-11-24 00:38:50,363 INFO L73 IsDeterministic]: Start isDeterministic. Operand 343 states and 458 transitions.
[2024-11-24 00:38:50,366 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2024-11-24 00:38:50,367 INFO L218 hiAutomatonCegarLoop]: Abstraction has 343 states and 458 transitions.
[2024-11-24 00:38:50,382 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 343 states and 458 transitions.
[2024-11-24 00:38:50,412 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 343 to 340.
[2024-11-24 00:38:50,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 340 states, 340 states have (on average 1.3352941176470587) internal successors, (454), 339 states have internal predecessors, (454), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-24 00:38:50,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 340 states and 454 transitions.
[2024-11-24 00:38:50,418 INFO L240 hiAutomatonCegarLoop]: Abstraction has 340 states and 454 transitions.
[2024-11-24 00:38:50,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-24 00:38:50,423 INFO L425 stractBuchiCegarLoop]: Abstraction has 340 states and 454 transitions.
[2024-11-24 00:38:50,423 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============
[2024-11-24 00:38:50,423 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 340 states and 454 transitions.
[2024-11-24 00:38:50,428 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 233
[2024-11-24 00:38:50,428 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false
[2024-11-24 00:38:50,428 INFO L119 BuchiIsEmpty]: Starting construction of run
[2024-11-24 00:38:50,429 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1]
[2024-11-24 00:38:50,429 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-24 00:38:50,429 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;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 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;" "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~13#1;havoc valid_product_~retValue_acc~13#1;valid_product_~retValue_acc~13#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~13#1;" "main_#t~ret4#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~13#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~nondet35#1, test_#t~nondet36#1, test_#t~nondet37#1, test_#t~nondet38#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;"
[2024-11-24 00:38:50,429 INFO L749 eck$LassoCheckResult]: Loop: "assume test_~splverifierCounter~0#1 < 4;" "havoc test_#t~nondet35#1;test_~tmp~5#1 := test_#t~nondet35#1;havoc test_#t~nondet35#1;" "assume !(0 != test_~tmp~5#1);" "havoc test_#t~nondet36#1;test_~tmp___0~1#1 := test_#t~nondet36#1;havoc test_#t~nondet36#1;" "assume !(0 != test_~tmp___0~1#1);" "havoc test_#t~nondet37#1;test_~tmp___2~0#1 := test_#t~nondet37#1;havoc test_#t~nondet37#1;" "assume !(0 != test_~tmp___2~0#1);havoc test_#t~nondet38#1;test_~tmp___1~0#1 := test_#t~nondet38#1;havoc test_#t~nondet38#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~ret40#1, processEnvironment_~tmp~7#1;havoc processEnvironment_~tmp~7#1;" "assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__highWaterSensor } true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret39#1, processEnvironment__wrappee__highWaterSensor_~tmp~6#1;havoc processEnvironment__wrappee__highWaterSensor_~tmp~6#1;" "assume !(0 == ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true;" "assume { :end_inline_processEnvironment__wrappee__base } true;" "havoc processEnvironment__wrappee__highWaterSensor_#t~ret39#1, processEnvironment__wrappee__highWaterSensor_~tmp~6#1;assume { :end_inline_processEnvironment__wrappee__highWaterSensor } true;" "havoc processEnvironment_#t~ret40#1, processEnvironment_~tmp~7#1;assume { :end_inline_processEnvironment } true;" "assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret10#1, __utac_acc__Specification1_spec__1_#t~ret11#1, __utac_acc__Specification1_spec__1_~tmp~1#1, __utac_acc__Specification1_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification1_spec__1_~tmp~1#1;havoc __utac_acc__Specification1_spec__1_~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;" "__utac_acc__Specification1_spec__1_#t~ret10#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~1#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~1#1 := __utac_acc__Specification1_spec__1_#t~ret10#1;havoc __utac_acc__Specification1_spec__1_#t~ret10#1;" "assume !(0 != __utac_acc__Specification1_spec__1_~tmp~1#1);" "havoc __utac_acc__Specification1_spec__1_#t~ret10#1, __utac_acc__Specification1_spec__1_#t~ret11#1, __utac_acc__Specification1_spec__1_~tmp~1#1, __utac_acc__Specification1_spec__1_~tmp___0~0#1;assume { :end_inline___utac_acc__Specification1_spec__1 } true;" "assume { :end_inline_timeShift } true;"
[2024-11-24 00:38:50,430 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 00:38:50,430 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 2 times
[2024-11-24 00:38:50,430 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM
[2024-11-24 00:38:50,430 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [850800864]
[2024-11-24 00:38:50,431 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 00:38:50,431 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-24 00:38:50,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-24 00:38:50,463 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-11-24 00:38:50,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-24 00:38:50,499 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace
[2024-11-24 00:38:50,500 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 00:38:50,500 INFO L85 PathProgramCache]: Analyzing trace with hash 467662437, now seen corresponding path program 1 times
[2024-11-24 00:38:50,500 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM
[2024-11-24 00:38:50,500 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [834985198]
[2024-11-24 00:38:50,500 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 00:38:50,500 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-24 00:38:50,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 00:38:50,554 INFO L136 FreeRefinementEngine]: Strategy CAMEL_NO_AM found an infeasible trace
[2024-11-24 00:38:50,555 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [834985198]
[2024-11-24 00:38:50,555 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [834985198] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-24 00:38:50,555 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [438570144]
[2024-11-24 00:38:50,555 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 00:38:50,556 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-24 00:38:50,556 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64dbb6ce-346d-494c-97a8-0f649b933292/bin/uautomizer-verify-LYvppIcaGC/z3
[2024-11-24 00:38:50,561 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64dbb6ce-346d-494c-97a8-0f649b933292/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-24 00:38:50,564 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64dbb6ce-346d-494c-97a8-0f649b933292/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process
[2024-11-24 00:38:50,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 00:38:50,633 INFO L256 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 3 conjuncts are in the unsatisfiable core
[2024-11-24 00:38:50,634 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-11-24 00:38:50,649 INFO L312 TraceCheckSpWp]: Computing backward predicates...
[2024-11-24 00:38:50,662 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [438570144] provided 0 perfect and 2 imperfect interpolant sequences
[2024-11-24 00:38:50,662 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-11-24 00:38:50,662 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 3
[2024-11-24 00:38:50,662 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2004378774]
[2024-11-24 00:38:50,662 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-11-24 00:38:50,663 INFO L764 eck$LassoCheckResult]: loop already infeasible
[2024-11-24 00:38:50,663 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM
[2024-11-24 00:38:50,663 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-24 00:38:50,663 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-24 00:38:50,664 INFO L87 Difference]: Start difference. First operand 340 states and 454 transitions. cyclomatic complexity: 117 Second operand has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-24 00:38:50,817 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-24 00:38:50,817 INFO L93 Difference]: Finished difference Result 460 states and 591 transitions.
[2024-11-24 00:38:50,817 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 460 states and 591 transitions.
[2024-11-24 00:38:50,823 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 323
[2024-11-24 00:38:50,837 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 460 states to 460 states and 591 transitions.
[2024-11-24 00:38:50,837 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 460
[2024-11-24 00:38:50,839 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 460
[2024-11-24 00:38:50,839 INFO L73 IsDeterministic]: Start isDeterministic. Operand 460 states and 591 transitions.
[2024-11-24 00:38:50,844 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2024-11-24 00:38:50,845 INFO L218 hiAutomatonCegarLoop]: Abstraction has 460 states and 591 transitions.
[2024-11-24 00:38:50,846 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 460 states and 591 transitions.
[2024-11-24 00:38:50,882 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 460 to 460.
[2024-11-24 00:38:50,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 460 states, 460 states have (on average 1.2847826086956522) internal successors, (591), 459 states have internal predecessors, (591), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-24 00:38:50,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 460 states to 460 states and 591 transitions.
[2024-11-24 00:38:50,892 INFO L240 hiAutomatonCegarLoop]: Abstraction has 460 states and 591 transitions.
[2024-11-24 00:38:50,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-24 00:38:50,894 INFO L425 stractBuchiCegarLoop]: Abstraction has 460 states and 591 transitions.
[2024-11-24 00:38:50,894 INFO L332 stractBuchiCegarLoop]: ======== Iteration 3 ============
[2024-11-24 00:38:50,894 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 460 states and 591 transitions.
[2024-11-24 00:38:50,899 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 323
[2024-11-24 00:38:50,899 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false
[2024-11-24 00:38:50,899 INFO L119 BuchiIsEmpty]: Starting construction of run
[2024-11-24 00:38:50,900 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1]
[2024-11-24 00:38:50,900 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-24 00:38:50,900 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;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 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;" "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~13#1;havoc valid_product_~retValue_acc~13#1;valid_product_~retValue_acc~13#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~13#1;" "main_#t~ret4#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~13#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~nondet35#1, test_#t~nondet36#1, test_#t~nondet37#1, test_#t~nondet38#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;"
[2024-11-24 00:38:50,900 INFO L749 eck$LassoCheckResult]: Loop: "assume test_~splverifierCounter~0#1 < 4;" "havoc test_#t~nondet35#1;test_~tmp~5#1 := test_#t~nondet35#1;havoc test_#t~nondet35#1;" "assume !(0 != test_~tmp~5#1);" "havoc test_#t~nondet36#1;test_~tmp___0~1#1 := test_#t~nondet36#1;havoc test_#t~nondet36#1;" "assume !(0 != test_~tmp___0~1#1);" "havoc test_#t~nondet37#1;test_~tmp___2~0#1 := test_#t~nondet37#1;havoc test_#t~nondet37#1;" "assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1;" "assume { :end_inline_startSystem } true;" "assume { :begin_inline_timeShift } true;" "assume !(0 != ~pumpRunning~0);" "assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret40#1, processEnvironment_~tmp~7#1;havoc processEnvironment_~tmp~7#1;" "assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__highWaterSensor } true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret39#1, processEnvironment__wrappee__highWaterSensor_~tmp~6#1;havoc processEnvironment__wrappee__highWaterSensor_~tmp~6#1;" "assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret51#1, isHighWaterLevel_~retValue_acc~10#1, isHighWaterLevel_~tmp~9#1, isHighWaterLevel_~tmp___0~2#1;havoc isHighWaterLevel_~retValue_acc~10#1;havoc isHighWaterLevel_~tmp~9#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;" "assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~3#1 := 1;isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~3#1;" "isHighWaterLevel_#t~ret51#1 := isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~3#1;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~9#1 := isHighWaterLevel_#t~ret51#1;havoc isHighWaterLevel_#t~ret51#1;" "assume 0 != isHighWaterLevel_~tmp~9#1;isHighWaterLevel_~tmp___0~2#1 := 0;" "isHighWaterLevel_~retValue_acc~10#1 := isHighWaterLevel_~tmp___0~2#1;isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~10#1;" "processEnvironment__wrappee__highWaterSensor_#t~ret39#1 := isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret51#1, isHighWaterLevel_~retValue_acc~10#1, isHighWaterLevel_~tmp~9#1, isHighWaterLevel_~tmp___0~2#1;assume { :end_inline_isHighWaterLevel } true;processEnvironment__wrappee__highWaterSensor_~tmp~6#1 := processEnvironment__wrappee__highWaterSensor_#t~ret39#1;havoc processEnvironment__wrappee__highWaterSensor_#t~ret39#1;" "assume !(0 != processEnvironment__wrappee__highWaterSensor_~tmp~6#1);assume { :begin_inline_processEnvironment__wrappee__base } true;" "assume { :end_inline_processEnvironment__wrappee__base } true;" "havoc processEnvironment__wrappee__highWaterSensor_#t~ret39#1, processEnvironment__wrappee__highWaterSensor_~tmp~6#1;assume { :end_inline_processEnvironment__wrappee__highWaterSensor } true;" "havoc processEnvironment_#t~ret40#1, processEnvironment_~tmp~7#1;assume { :end_inline_processEnvironment } true;" "assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret10#1, __utac_acc__Specification1_spec__1_#t~ret11#1, __utac_acc__Specification1_spec__1_~tmp~1#1, __utac_acc__Specification1_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification1_spec__1_~tmp~1#1;havoc __utac_acc__Specification1_spec__1_~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;" "__utac_acc__Specification1_spec__1_#t~ret10#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~1#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~1#1 := __utac_acc__Specification1_spec__1_#t~ret10#1;havoc __utac_acc__Specification1_spec__1_#t~ret10#1;" "assume !(0 != __utac_acc__Specification1_spec__1_~tmp~1#1);" "havoc __utac_acc__Specification1_spec__1_#t~ret10#1, __utac_acc__Specification1_spec__1_#t~ret11#1, __utac_acc__Specification1_spec__1_~tmp~1#1, __utac_acc__Specification1_spec__1_~tmp___0~0#1;assume { :end_inline___utac_acc__Specification1_spec__1 } true;" "assume { :end_inline_timeShift } true;"
[2024-11-24 00:38:50,901 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 00:38:50,901 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 3 times
[2024-11-24 00:38:50,901 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM
[2024-11-24 00:38:50,901 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1292052437]
[2024-11-24 00:38:50,901 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 00:38:50,902 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-24 00:38:50,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-24 00:38:50,914 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-11-24 00:38:50,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-24 00:38:50,927 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace
[2024-11-24 00:38:50,928 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 00:38:50,928 INFO L85 PathProgramCache]: Analyzing trace with hash -1624098869, now seen corresponding path program 1 times
[2024-11-24 00:38:50,928 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM
[2024-11-24 00:38:50,928 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [685797977]
[2024-11-24 00:38:50,928 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 00:38:50,928 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-24 00:38:50,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-24 00:38:50,993 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-11-24 00:38:51,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-24 00:38:51,019 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace
[2024-11-24 00:38:51,020 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 00:38:51,020 INFO L85 PathProgramCache]: Analyzing trace with hash -1248811129, now seen corresponding path program 1 times
[2024-11-24 00:38:51,020 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM
[2024-11-24 00:38:51,020 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [528804668]
[2024-11-24 00:38:51,021 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 00:38:51,021 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-24 00:38:51,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-24 00:38:51,053 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-11-24 00:38:51,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-24 00:38:51,094 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace
[2024-11-24 00:38:52,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-24 00:38:52,689 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-11-24 00:38:52,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-24 00:38:52,757 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 24.11 12:38:52 BoogieIcfgContainer
[2024-11-24 00:38:52,757 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer----------------------------
[2024-11-24 00:38:52,758 INFO L112 PluginConnector]: ------------------------Witness Printer----------------------------
[2024-11-24 00:38:52,758 INFO L270 PluginConnector]: Initializing Witness Printer...
[2024-11-24 00:38:52,759 INFO L274 PluginConnector]: Witness Printer initialized
[2024-11-24 00:38:52,760 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 12:38:49" (3/4) ...
[2024-11-24 00:38:52,762 INFO L143 WitnessPrinter]: Generating witness for non-termination counterexample
[2024-11-24 00:38:52,816 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64dbb6ce-346d-494c-97a8-0f649b933292/bin/uautomizer-verify-LYvppIcaGC/witness.graphml
[2024-11-24 00:38:52,816 INFO L131 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2024-11-24 00:38:52,817 INFO L158 Benchmark]: Toolchain (without parser) took 5113.06ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 93.6MB in the beginning and 194.2MB in the end (delta: -100.5MB). Peak memory consumption was 133.1MB. Max. memory is 16.1GB.
[2024-11-24 00:38:52,818 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 167.8MB. Free memory is still 103.4MB. There was no memory consumed. Max. memory is 16.1GB.
[2024-11-24 00:38:52,818 INFO L158 Benchmark]: CACSL2BoogieTranslator took 666.64ms. Allocated memory is still 117.4MB. Free memory was 93.6MB in the beginning and 74.5MB in the end (delta: 19.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
[2024-11-24 00:38:52,819 INFO L158 Benchmark]: Boogie Procedure Inliner took 77.78ms. Allocated memory is still 117.4MB. Free memory was 74.5MB in the beginning and 71.3MB in the end (delta: 3.2MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-11-24 00:38:52,819 INFO L158 Benchmark]: Boogie Preprocessor took 91.62ms. Allocated memory is still 117.4MB. Free memory was 71.3MB in the beginning and 68.0MB in the end (delta: 3.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-11-24 00:38:52,820 INFO L158 Benchmark]: RCFGBuilder took 880.23ms. Allocated memory is still 117.4MB. Free memory was 68.0MB in the beginning and 39.2MB in the end (delta: 28.7MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB.
[2024-11-24 00:38:52,820 INFO L158 Benchmark]: BuchiAutomizer took 3332.60ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 39.2MB in the beginning and 196.4MB in the end (delta: -157.2MB). Peak memory consumption was 82.8MB. Max. memory is 16.1GB.
[2024-11-24 00:38:52,821 INFO L158 Benchmark]: Witness Printer took 58.14ms. Allocated memory is still 352.3MB. Free memory was 196.4MB in the beginning and 194.2MB in the end (delta: 2.3MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-11-24 00:38:52,823 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.26ms. Allocated memory is still 167.8MB. Free memory is still 103.4MB. There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 666.64ms. Allocated memory is still 117.4MB. Free memory was 93.6MB in the beginning and 74.5MB in the end (delta: 19.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 77.78ms. Allocated memory is still 117.4MB. Free memory was 74.5MB in the beginning and 71.3MB in the end (delta: 3.2MB). There was no memory consumed. Max. memory is 16.1GB.
* Boogie Preprocessor took 91.62ms. Allocated memory is still 117.4MB. Free memory was 71.3MB in the beginning and 68.0MB in the end (delta: 3.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
* RCFGBuilder took 880.23ms. Allocated memory is still 117.4MB. Free memory was 68.0MB in the beginning and 39.2MB in the end (delta: 28.7MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB.
* BuchiAutomizer took 3332.60ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 39.2MB in the beginning and 196.4MB in the end (delta: -157.2MB). Peak memory consumption was 82.8MB. Max. memory is 16.1GB.
* Witness Printer took 58.14ms. Allocated memory is still 352.3MB. Free memory was 196.4MB in the beginning and 194.2MB in the end (delta: 2.3MB). 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,"Test.i","") [49]
- GenericResultAtLocation [Line: 153]: Unsoundness Warning
Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [153]
- GenericResultAtLocation [Line: 262]: Unsoundness Warning
Ignoring preprocessor pragma C: #pragma merger(0,"Specification1_spec.i","") [262]
- GenericResultAtLocation [Line: 290]: Unsoundness Warning
Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [290]
- GenericResultAtLocation [Line: 656]: Unsoundness Warning
Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [656]
- GenericResultAtLocation [Line: 665]: Unsoundness Warning
Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [665]
- GenericResultAtLocation [Line: 736]: Unsoundness Warning
Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [736]
- GenericResultAtLocation [Line: 976]: Unsoundness Warning
Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [976]
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- StatisticsResult: Constructed decomposition of program
Your program was decomposed into 2 terminating modules (2 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.2 modules have a trivial ranking function, the largest among these consists of 3 locations. The remainder module has 460 locations.
- StatisticsResult: Timing statistics
BüchiAutomizer plugin needed 3.1s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 2.5s. Construction of modules took 0.1s. 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, 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, 403 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 403 mSDsluCounter, 803 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 332 mSDsCounter, 26 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 41 IncrementalHoareTripleChecker+Invalid, 67 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 26 mSolverCounterUnsat, 471 mSDtfsCounter, 41 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI2 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s
- TerminationAnalysisResult: Nontermination possible
Buchi Automizer proved that your program is nonterminating for some inputs
- LassoShapedNonTerminationArgument [Line: 680]: Nontermination argument in form of an infinite program execution.
Nontermination argument in form of an infinite program execution.
Stem:
[L50] int cleanupTimeShifts = 4;
[L160] int waterLevel = 1;
[L161] int methaneLevelCritical = 0;
[L460] static struct __ACC__ERR *head = (struct __ACC__ERR *)0;
[L739] int pumpRunning = 0;
[L740] int systemActive = 1;
VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1]
[L131] int retValue_acc ;
[L132] int tmp ;
[L136] FCALL select_helpers()
[L137] FCALL select_features()
[L138] CALL, EXPR valid_product()
[L1003] int retValue_acc ;
[L1006] retValue_acc = 1
[L1007] return (retValue_acc);
VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1]
[L138] RET, EXPR valid_product()
[L138] tmp = valid_product()
[L140] COND TRUE \read(tmp)
[L142] FCALL setup()
[L143] CALL runTest()
[L122] CALL test()
[L669] int splverifierCounter ;
[L670] int tmp ;
[L671] int tmp___0 ;
[L672] int tmp___1 ;
[L673] int tmp___2 ;
[L676] splverifierCounter = 0
VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1]
Loop:
[L680] COND TRUE splverifierCounter < 4
[L686] tmp = __VERIFIER_nondet_int()
[L688] COND FALSE !(\read(tmp))
[L696] tmp___0 = __VERIFIER_nondet_int()
[L698] COND FALSE !(\read(tmp___0))
[L706] tmp___2 = __VERIFIER_nondet_int()
[L708] COND TRUE \read(tmp___2)
[L710] CALL startSystem()
[L972] systemActive = 1
[L710] RET startSystem()
[L725] CALL timeShift()
[L746] COND FALSE !(\read(pumpRunning))
[L753] COND TRUE \read(systemActive)
[L755] CALL processEnvironment()
[L801] int tmp ;
[L804] COND FALSE !(\read(pumpRunning))
[L819] CALL processEnvironment__wrappee__highWaterSensor()
[L775] int tmp ;
[L778] COND TRUE ! pumpRunning
[L780] CALL, EXPR isHighWaterLevel()
[L916] int retValue_acc ;
[L917] int tmp ;
[L918] int tmp___0 ;
[L922] CALL, EXPR isHighWaterSensorDry()
[L240] int retValue_acc ;
[L243] COND TRUE waterLevel < 2
[L244] retValue_acc = 1
[L245] return (retValue_acc);
[L922] RET, EXPR isHighWaterSensorDry()
[L922] tmp = isHighWaterSensorDry()
[L924] COND TRUE \read(tmp)
[L925] tmp___0 = 0
[L929] retValue_acc = tmp___0
[L930] return (retValue_acc);
[L780] RET, EXPR isHighWaterLevel()
[L780] tmp = isHighWaterLevel()
[L782] COND FALSE !(\read(tmp))
[L788] FCALL processEnvironment__wrappee__base()
[L819] RET processEnvironment__wrappee__highWaterSensor()
[L755] RET processEnvironment()
[L761] CALL __utac_acc__Specification1_spec__1()
[L266] int tmp ;
[L267] int tmp___0 ;
[L271] CALL, EXPR isMethaneLevelCritical()
[L199] int retValue_acc ;
[L202] retValue_acc = methaneLevelCritical
[L203] return (retValue_acc);
[L271] RET, EXPR isMethaneLevelCritical()
[L271] tmp = isMethaneLevelCritical()
[L273] COND FALSE !(\read(tmp))
[L761] RET __utac_acc__Specification1_spec__1()
[L725] RET timeShift()
End of lasso representation.
- StatisticsResult: NonterminationArgumentStatistics
Fixpoint
- NonterminatingLassoResult [Line: 680]: Nonterminating execution
Found a nonterminating execution for the following lasso shaped sequence of statements.
Stem:
[L50] int cleanupTimeShifts = 4;
[L160] int waterLevel = 1;
[L161] int methaneLevelCritical = 0;
[L460] static struct __ACC__ERR *head = (struct __ACC__ERR *)0;
[L739] int pumpRunning = 0;
[L740] int systemActive = 1;
VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1]
[L131] int retValue_acc ;
[L132] int tmp ;
[L136] FCALL select_helpers()
[L137] FCALL select_features()
[L138] CALL, EXPR valid_product()
[L1003] int retValue_acc ;
[L1006] retValue_acc = 1
[L1007] return (retValue_acc);
VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1]
[L138] RET, EXPR valid_product()
[L138] tmp = valid_product()
[L140] COND TRUE \read(tmp)
[L142] FCALL setup()
[L143] CALL runTest()
[L122] CALL test()
[L669] int splverifierCounter ;
[L670] int tmp ;
[L671] int tmp___0 ;
[L672] int tmp___1 ;
[L673] int tmp___2 ;
[L676] splverifierCounter = 0
VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1]
Loop:
[L680] COND TRUE splverifierCounter < 4
[L686] tmp = __VERIFIER_nondet_int()
[L688] COND FALSE !(\read(tmp))
[L696] tmp___0 = __VERIFIER_nondet_int()
[L698] COND FALSE !(\read(tmp___0))
[L706] tmp___2 = __VERIFIER_nondet_int()
[L708] COND TRUE \read(tmp___2)
[L710] CALL startSystem()
[L972] systemActive = 1
[L710] RET startSystem()
[L725] CALL timeShift()
[L746] COND FALSE !(\read(pumpRunning))
[L753] COND TRUE \read(systemActive)
[L755] CALL processEnvironment()
[L801] int tmp ;
[L804] COND FALSE !(\read(pumpRunning))
[L819] CALL processEnvironment__wrappee__highWaterSensor()
[L775] int tmp ;
[L778] COND TRUE ! pumpRunning
[L780] CALL, EXPR isHighWaterLevel()
[L916] int retValue_acc ;
[L917] int tmp ;
[L918] int tmp___0 ;
[L922] CALL, EXPR isHighWaterSensorDry()
[L240] int retValue_acc ;
[L243] COND TRUE waterLevel < 2
[L244] retValue_acc = 1
[L245] return (retValue_acc);
[L922] RET, EXPR isHighWaterSensorDry()
[L922] tmp = isHighWaterSensorDry()
[L924] COND TRUE \read(tmp)
[L925] tmp___0 = 0
[L929] retValue_acc = tmp___0
[L930] return (retValue_acc);
[L780] RET, EXPR isHighWaterLevel()
[L780] tmp = isHighWaterLevel()
[L782] COND FALSE !(\read(tmp))
[L788] FCALL processEnvironment__wrappee__base()
[L819] RET processEnvironment__wrappee__highWaterSensor()
[L755] RET processEnvironment()
[L761] CALL __utac_acc__Specification1_spec__1()
[L266] int tmp ;
[L267] int tmp___0 ;
[L271] CALL, EXPR isMethaneLevelCritical()
[L199] int retValue_acc ;
[L202] retValue_acc = methaneLevelCritical
[L203] return (retValue_acc);
[L271] RET, EXPR isMethaneLevelCritical()
[L271] tmp = isMethaneLevelCritical()
[L273] COND FALSE !(\read(tmp))
[L761] RET __utac_acc__Specification1_spec__1()
[L725] RET timeShift()
End of lasso representation.
RESULT: Ultimate proved your program to be incorrect!
[2024-11-24 00:38:52,854 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64dbb6ce-346d-494c-97a8-0f649b933292/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0
[2024-11-24 00:38:53,053 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64dbb6ce-346d-494c-97a8-0f649b933292/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0
[2024-11-24 00:38:53,253 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64dbb6ce-346d-494c-97a8-0f649b933292/bin/uautomizer-verify-LYvppIcaGC/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)