./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product61.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_b638bb13-e376-4a16-b3cc-bfa0dc94ac7d/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b638bb13-e376-4a16-b3cc-bfa0dc94ac7d/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_b638bb13-e376-4a16-b3cc-bfa0dc94ac7d/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b638bb13-e376-4a16-b3cc-bfa0dc94ac7d/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product61.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b638bb13-e376-4a16-b3cc-bfa0dc94ac7d/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_b638bb13-e376-4a16-b3cc-bfa0dc94ac7d/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 53b1b58c0a8af862b137647fd316df606e2053e614741221b62b3a107765e608
--- Real Ultimate output ---
This is Ultimate 0.3.0-dev-6497de0
[2024-11-24 01:34:17,909 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2024-11-24 01:34:17,980 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b638bb13-e376-4a16-b3cc-bfa0dc94ac7d/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Termination-32bit-Automizer_Default.epf
[2024-11-24 01:34:17,993 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2024-11-24 01:34:17,994 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-24 01:34:18,032 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-24 01:34:18,032 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-24 01:34:18,033 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-24 01:34:18,033 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-24 01:34:18,033 INFO L153 SettingsManager]: * Use memory slicer=true
[2024-11-24 01:34:18,034 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-24 01:34:18,034 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2024-11-24 01:34:18,034 INFO L153 SettingsManager]: * Use SBE=true
[2024-11-24 01:34:18,034 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults:
[2024-11-24 01:34:18,034 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3
[2024-11-24 01:34:18,034 INFO L153 SettingsManager]: * Use old map elimination=false
[2024-11-24 01:34:18,035 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false
[2024-11-24 01:34:18,035 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true
[2024-11-24 01:34:18,035 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES
[2024-11-24 01:34:18,035 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-24 01:34:18,035 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME
[2024-11-24 01:34:18,035 INFO L153 SettingsManager]: * sizeof long=4
[2024-11-24 01:34:18,036 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2024-11-24 01:34:18,036 INFO L153 SettingsManager]: * sizeof POINTER=4
[2024-11-24 01:34:18,036 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2024-11-24 01:34:18,036 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME
[2024-11-24 01:34:18,036 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME
[2024-11-24 01:34:18,036 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME
[2024-11-24 01:34:18,036 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false
[2024-11-24 01:34:18,037 INFO L153 SettingsManager]: * sizeof long double=12
[2024-11-24 01:34:18,037 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2024-11-24 01:34:18,037 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false
[2024-11-24 01:34:18,037 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR
[2024-11-24 01:34:18,037 INFO L153 SettingsManager]: * Use constant arrays=true
[2024-11-24 01:34:18,037 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-24 01:34:18,038 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-11-24 01:34:18,038 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-24 01:34:18,038 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL_NO_AM
[2024-11-24 01:34:18,038 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults:
[2024-11-24 01:34:18,038 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_b638bb13-e376-4a16-b3cc-bfa0dc94ac7d/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 -> 53b1b58c0a8af862b137647fd316df606e2053e614741221b62b3a107765e608
[2024-11-24 01:34:18,341 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-24 01:34:18,355 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-24 01:34:18,359 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-24 01:34:18,361 INFO L270 PluginConnector]: Initializing CDTParser...
[2024-11-24 01:34:18,362 INFO L274 PluginConnector]: CDTParser initialized
[2024-11-24 01:34:18,364 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b638bb13-e376-4a16-b3cc-bfa0dc94ac7d/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/product-lines/minepump_spec3_product61.cil.c
[2024-11-24 01:34:21,460 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b638bb13-e376-4a16-b3cc-bfa0dc94ac7d/bin/uautomizer-verify-LYvppIcaGC/data/9594874f9/45809514c8d94bf080fc92b2d4a6131c/FLAGf00e71892
[2024-11-24 01:34:21,859 INFO L384 CDTParser]: Found 1 translation units.
[2024-11-24 01:34:21,860 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b638bb13-e376-4a16-b3cc-bfa0dc94ac7d/sv-benchmarks/c/product-lines/minepump_spec3_product61.cil.c
[2024-11-24 01:34:21,874 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b638bb13-e376-4a16-b3cc-bfa0dc94ac7d/bin/uautomizer-verify-LYvppIcaGC/data/9594874f9/45809514c8d94bf080fc92b2d4a6131c/FLAGf00e71892
[2024-11-24 01:34:22,046 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b638bb13-e376-4a16-b3cc-bfa0dc94ac7d/bin/uautomizer-verify-LYvppIcaGC/data/9594874f9/45809514c8d94bf080fc92b2d4a6131c
[2024-11-24 01:34:22,050 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-24 01:34:22,052 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2024-11-24 01:34:22,057 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-24 01:34:22,057 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-24 01:34:22,070 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-24 01:34:22,071 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 01:34:22" (1/1) ...
[2024-11-24 01:34:22,072 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@e1646d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:34:22, skipping insertion in model container
[2024-11-24 01:34:22,075 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 01:34:22" (1/1) ...
[2024-11-24 01:34:22,138 INFO L175 MainTranslator]: Built tables and reachable declarations
[2024-11-24 01:34:22,492 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-24 01:34:22,514 INFO L200 MainTranslator]: Completed pre-run
[2024-11-24 01:34:22,524 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [49]
[2024-11-24 01:34:22,526 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [118]
[2024-11-24 01:34:22,526 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [368]
[2024-11-24 01:34:22,526 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [472]
[2024-11-24 01:34:22,527 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [481]
[2024-11-24 01:34:22,527 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification3_spec.i","") [580]
[2024-11-24 01:34:22,527 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [614]
[2024-11-24 01:34:22,527 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [649]
[2024-11-24 01:34:22,658 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-24 01:34:22,684 INFO L204 MainTranslator]: Completed translation
[2024-11-24 01:34:22,685 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:34:22 WrapperNode
[2024-11-24 01:34:22,686 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-24 01:34:22,688 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-24 01:34:22,688 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-24 01:34:22,688 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-24 01:34:22,703 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:34:22" (1/1) ...
[2024-11-24 01:34:22,714 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:34:22" (1/1) ...
[2024-11-24 01:34:22,769 INFO L138 Inliner]: procedures = 57, calls = 106, calls flagged for inlining = 59, calls inlined = 179, statements flattened = 1234
[2024-11-24 01:34:22,770 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-24 01:34:22,770 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-24 01:34:22,771 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-24 01:34:22,771 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2024-11-24 01:34:22,781 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:34:22" (1/1) ...
[2024-11-24 01:34:22,781 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:34:22" (1/1) ...
[2024-11-24 01:34:22,786 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:34:22" (1/1) ...
[2024-11-24 01:34:22,826 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0].
[2024-11-24 01:34:22,826 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:34:22" (1/1) ...
[2024-11-24 01:34:22,826 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:34:22" (1/1) ...
[2024-11-24 01:34:22,853 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:34:22" (1/1) ...
[2024-11-24 01:34:22,859 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:34:22" (1/1) ...
[2024-11-24 01:34:22,871 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:34:22" (1/1) ...
[2024-11-24 01:34:22,877 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:34:22" (1/1) ...
[2024-11-24 01:34:22,887 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:34:22" (1/1) ...
[2024-11-24 01:34:22,895 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-24 01:34:22,896 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-24 01:34:22,896 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2024-11-24 01:34:22,896 INFO L274 PluginConnector]: RCFGBuilder initialized
[2024-11-24 01:34:22,901 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:34:22" (1/1) ...
[2024-11-24 01:34:22,907 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2024-11-24 01:34:22,923 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b638bb13-e376-4a16-b3cc-bfa0dc94ac7d/bin/uautomizer-verify-LYvppIcaGC/z3
[2024-11-24 01:34:22,947 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b638bb13-e376-4a16-b3cc-bfa0dc94ac7d/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2024-11-24 01:34:22,954 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b638bb13-e376-4a16-b3cc-bfa0dc94ac7d/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process
[2024-11-24 01:34:22,986 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-24 01:34:22,986 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0
[2024-11-24 01:34:22,986 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-24 01:34:22,986 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-24 01:34:23,092 INFO L234 CfgBuilder]: Building ICFG
[2024-11-24 01:34:23,094 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-24 01:34:24,093 INFO L? ?]: Removed 319 outVars from TransFormulas that were not future-live.
[2024-11-24 01:34:24,094 INFO L283 CfgBuilder]: Performing block encoding
[2024-11-24 01:34:24,120 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-24 01:34:24,123 INFO L312 CfgBuilder]: Removed 4 assume(true) statements.
[2024-11-24 01:34:24,123 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 01:34:24 BoogieIcfgContainer
[2024-11-24 01:34:24,123 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-24 01:34:24,124 INFO L112 PluginConnector]: ------------------------BuchiAutomizer----------------------------
[2024-11-24 01:34:24,125 INFO L270 PluginConnector]: Initializing BuchiAutomizer...
[2024-11-24 01:34:24,131 INFO L274 PluginConnector]: BuchiAutomizer initialized
[2024-11-24 01:34:24,132 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis
[2024-11-24 01:34:24,132 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 24.11 01:34:22" (1/3) ...
[2024-11-24 01:34:24,133 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7098be02 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 24.11 01:34:24, skipping insertion in model container
[2024-11-24 01:34:24,134 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis
[2024-11-24 01:34:24,135 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:34:22" (2/3) ...
[2024-11-24 01:34:24,135 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7098be02 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 24.11 01:34:24, skipping insertion in model container
[2024-11-24 01:34:24,135 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis
[2024-11-24 01:34:24,135 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 01:34:24" (3/3) ...
[2024-11-24 01:34:24,137 INFO L363 chiAutomizerObserver]: Analyzing ICFG minepump_spec3_product61.cil.c
[2024-11-24 01:34:24,245 INFO L300 stractBuchiCegarLoop]: Interprodecural is true
[2024-11-24 01:34:24,246 INFO L301 stractBuchiCegarLoop]: Hoare is None
[2024-11-24 01:34:24,246 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates
[2024-11-24 01:34:24,246 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE
[2024-11-24 01:34:24,246 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2024-11-24 01:34:24,246 INFO L305 stractBuchiCegarLoop]: Difference is false
[2024-11-24 01:34:24,246 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA
[2024-11-24 01:34:24,247 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ========
[2024-11-24 01:34:24,254 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 325 states, 324 states have (on average 1.3549382716049383) internal successors, (439), 324 states have internal predecessors, (439), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-24 01:34:24,285 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 212
[2024-11-24 01:34:24,286 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false
[2024-11-24 01:34:24,287 INFO L119 BuchiIsEmpty]: Starting construction of run
[2024-11-24 01:34:24,294 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1]
[2024-11-24 01:34:24,294 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-24 01:34:24,294 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============
[2024-11-24 01:34:24,295 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 325 states, 324 states have (on average 1.3549382716049383) internal successors, (439), 324 states have internal predecessors, (439), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-24 01:34:24,306 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 212
[2024-11-24 01:34:24,307 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false
[2024-11-24 01:34:24,307 INFO L119 BuchiIsEmpty]: Starting construction of run
[2024-11-24 01:34:24,307 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1]
[2024-11-24 01:34:24,308 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-24 01:34:24,314 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);~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret28#1, main_~retValue_acc~8#1, main_~tmp~7#1;havoc main_~retValue_acc~8#1;havoc main_~tmp~7#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~10#1;havoc valid_product_~retValue_acc~10#1;valid_product_~retValue_acc~10#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~10#1;" "main_#t~ret28#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~10#1;assume { :end_inline_valid_product } true;main_~tmp~7#1 := main_#t~ret28#1;havoc main_#t~ret28#1;" "assume 0 != main_~tmp~7#1;assume { :begin_inline_setup } true;" "assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet4#1, test_#t~nondet5#1, test_#t~nondet6#1, test_#t~nondet7#1, test_~splverifierCounter~0#1, test_~tmp~0#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~0#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0;"
[2024-11-24 01:34:24,314 INFO L749 eck$LassoCheckResult]: Loop: "assume test_~splverifierCounter~0#1 < 4;" "havoc test_#t~nondet4#1;test_~tmp~0#1 := test_#t~nondet4#1;havoc test_#t~nondet4#1;" "assume !(0 != test_~tmp~0#1);" "havoc test_#t~nondet5#1;test_~tmp___0~0#1 := test_#t~nondet5#1;havoc test_#t~nondet5#1;" "assume !(0 != test_~tmp___0~0#1);" "havoc test_#t~nondet6#1;test_~tmp___2~0#1 := test_#t~nondet6#1;havoc test_#t~nondet6#1;" "assume 0 != test_~tmp___2~0#1;" "assume { :begin_inline_timeShift } true;" "assume !(0 != ~pumpRunning~0);" "assume !(0 != ~systemActive~0);" "assume { :begin_inline___utac_acc__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret29#1, __utac_acc__Specification3_spec__1_#t~ret30#1, __utac_acc__Specification3_spec__1_#t~ret31#1, __utac_acc__Specification3_spec__1_~tmp~8#1, __utac_acc__Specification3_spec__1_~tmp___0~3#1, __utac_acc__Specification3_spec__1_~tmp___1~1#1;havoc __utac_acc__Specification3_spec__1_~tmp~8#1;havoc __utac_acc__Specification3_spec__1_~tmp___0~3#1;havoc __utac_acc__Specification3_spec__1_~tmp___1~1#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~4#1;havoc isMethaneLevelCritical_~retValue_acc~4#1;isMethaneLevelCritical_~retValue_acc~4#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~4#1;" "__utac_acc__Specification3_spec__1_#t~ret29#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~4#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~8#1 := __utac_acc__Specification3_spec__1_#t~ret29#1;havoc __utac_acc__Specification3_spec__1_#t~ret29#1;" "assume 0 != __utac_acc__Specification3_spec__1_~tmp~8#1;" "havoc __utac_acc__Specification3_spec__1_#t~ret29#1, __utac_acc__Specification3_spec__1_#t~ret30#1, __utac_acc__Specification3_spec__1_#t~ret31#1, __utac_acc__Specification3_spec__1_~tmp~8#1, __utac_acc__Specification3_spec__1_~tmp___0~3#1, __utac_acc__Specification3_spec__1_~tmp___1~1#1;assume { :end_inline___utac_acc__Specification3_spec__1 } true;" "assume { :end_inline_timeShift } true;"
[2024-11-24 01:34:24,321 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 01:34:24,321 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 1 times
[2024-11-24 01:34:24,332 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM
[2024-11-24 01:34:24,332 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1138508717]
[2024-11-24 01:34:24,333 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 01:34:24,334 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-24 01:34:24,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-24 01:34:24,422 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-11-24 01:34:24,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-24 01:34:24,450 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace
[2024-11-24 01:34:24,453 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 01:34:24,453 INFO L85 PathProgramCache]: Analyzing trace with hash -1082050424, now seen corresponding path program 1 times
[2024-11-24 01:34:24,453 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM
[2024-11-24 01:34:24,453 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [417431670]
[2024-11-24 01:34:24,453 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 01:34:24,453 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-24 01:34:24,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-24 01:34:24,461 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-11-24 01:34:24,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-24 01:34:24,472 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace
[2024-11-24 01:34:24,473 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 01:34:24,474 INFO L85 PathProgramCache]: Analyzing trace with hash -1038327228, now seen corresponding path program 1 times
[2024-11-24 01:34:24,474 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM
[2024-11-24 01:34:24,478 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1929628413]
[2024-11-24 01:34:24,478 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 01:34:24,478 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-24 01:34:24,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 01:34:24,769 INFO L136 FreeRefinementEngine]: Strategy CAMEL_NO_AM found an infeasible trace
[2024-11-24 01:34:24,770 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1929628413]
[2024-11-24 01:34:24,771 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1929628413] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-24 01:34:24,771 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [925613403]
[2024-11-24 01:34:24,772 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 01:34:24,772 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-24 01:34:24,773 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b638bb13-e376-4a16-b3cc-bfa0dc94ac7d/bin/uautomizer-verify-LYvppIcaGC/z3
[2024-11-24 01:34:24,776 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b638bb13-e376-4a16-b3cc-bfa0dc94ac7d/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-24 01:34:24,779 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b638bb13-e376-4a16-b3cc-bfa0dc94ac7d/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process
[2024-11-24 01:34:24,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 01:34:24,868 INFO L256 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 2 conjuncts are in the unsatisfiable core
[2024-11-24 01:34:24,870 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-11-24 01:34:24,923 INFO L312 TraceCheckSpWp]: Computing backward predicates...
[2024-11-24 01:34:24,969 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [925613403] provided 0 perfect and 2 imperfect interpolant sequences
[2024-11-24 01:34:24,970 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-11-24 01:34:24,970 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 2, 2] total 6
[2024-11-24 01:34:24,970 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [823700603]
[2024-11-24 01:34:24,971 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-11-24 01:34:25,102 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM
[2024-11-24 01:34:25,137 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2024-11-24 01:34:25,138 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42
[2024-11-24 01:34:25,141 INFO L87 Difference]: Start difference. First operand has 325 states, 324 states have (on average 1.3549382716049383) internal successors, (439), 324 states have internal predecessors, (439), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 7 states, 7 states have (on average 5.571428571428571) internal successors, (39), 6 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-24 01:34:25,290 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-24 01:34:25,291 INFO L93 Difference]: Finished difference Result 319 states and 422 transitions.
[2024-11-24 01:34:25,293 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 319 states and 422 transitions.
[2024-11-24 01:34:25,302 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 206
[2024-11-24 01:34:25,312 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 319 states to 309 states and 412 transitions.
[2024-11-24 01:34:25,313 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 309
[2024-11-24 01:34:25,314 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 309
[2024-11-24 01:34:25,315 INFO L73 IsDeterministic]: Start isDeterministic. Operand 309 states and 412 transitions.
[2024-11-24 01:34:25,316 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2024-11-24 01:34:25,316 INFO L218 hiAutomatonCegarLoop]: Abstraction has 309 states and 412 transitions.
[2024-11-24 01:34:25,331 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 309 states and 412 transitions.
[2024-11-24 01:34:25,350 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 309 to 309.
[2024-11-24 01:34:25,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 309 states, 309 states have (on average 1.3333333333333333) internal successors, (412), 308 states have internal predecessors, (412), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-24 01:34:25,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 309 states and 412 transitions.
[2024-11-24 01:34:25,354 INFO L240 hiAutomatonCegarLoop]: Abstraction has 309 states and 412 transitions.
[2024-11-24 01:34:25,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2024-11-24 01:34:25,358 INFO L425 stractBuchiCegarLoop]: Abstraction has 309 states and 412 transitions.
[2024-11-24 01:34:25,358 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============
[2024-11-24 01:34:25,358 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 309 states and 412 transitions.
[2024-11-24 01:34:25,360 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 206
[2024-11-24 01:34:25,360 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false
[2024-11-24 01:34:25,361 INFO L119 BuchiIsEmpty]: Starting construction of run
[2024-11-24 01:34:25,361 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1]
[2024-11-24 01:34:25,361 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-24 01:34:25,361 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);~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret28#1, main_~retValue_acc~8#1, main_~tmp~7#1;havoc main_~retValue_acc~8#1;havoc main_~tmp~7#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~10#1;havoc valid_product_~retValue_acc~10#1;valid_product_~retValue_acc~10#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~10#1;" "main_#t~ret28#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~10#1;assume { :end_inline_valid_product } true;main_~tmp~7#1 := main_#t~ret28#1;havoc main_#t~ret28#1;" "assume 0 != main_~tmp~7#1;assume { :begin_inline_setup } true;" "assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet4#1, test_#t~nondet5#1, test_#t~nondet6#1, test_#t~nondet7#1, test_~splverifierCounter~0#1, test_~tmp~0#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~0#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0;"
[2024-11-24 01:34:25,362 INFO L749 eck$LassoCheckResult]: Loop: "assume test_~splverifierCounter~0#1 < 4;" "havoc test_#t~nondet4#1;test_~tmp~0#1 := test_#t~nondet4#1;havoc test_#t~nondet4#1;" "assume !(0 != test_~tmp~0#1);" "havoc test_#t~nondet5#1;test_~tmp___0~0#1 := test_#t~nondet5#1;havoc test_#t~nondet5#1;" "assume !(0 != test_~tmp___0~0#1);" "havoc test_#t~nondet6#1;test_~tmp___2~0#1 := test_#t~nondet6#1;havoc test_#t~nondet6#1;" "assume 0 != test_~tmp___2~0#1;" "assume { :begin_inline_timeShift } true;" "assume !(0 != ~pumpRunning~0);" "assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret10#1, processEnvironment_~tmp~3#1;havoc processEnvironment_~tmp~3#1;" "assume 0 != ~pumpRunning~0;assume { :begin_inline_isMethaneAlarm } true;havoc isMethaneAlarm_#res#1;havoc isMethaneAlarm_#t~ret12#1, isMethaneAlarm_~retValue_acc~0#1;havoc isMethaneAlarm_~retValue_acc~0#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~4#1;havoc isMethaneLevelCritical_~retValue_acc~4#1;isMethaneLevelCritical_~retValue_acc~4#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~4#1;" "isMethaneAlarm_#t~ret12#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~4#1;assume { :end_inline_isMethaneLevelCritical } true;isMethaneAlarm_~retValue_acc~0#1 := isMethaneAlarm_#t~ret12#1;havoc isMethaneAlarm_#t~ret12#1;isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~0#1;" "processEnvironment_#t~ret10#1 := isMethaneAlarm_#res#1;havoc isMethaneAlarm_#t~ret12#1, isMethaneAlarm_~retValue_acc~0#1;assume { :end_inline_isMethaneAlarm } true;processEnvironment_~tmp~3#1 := processEnvironment_#t~ret10#1;havoc processEnvironment_#t~ret10#1;" "assume 0 != processEnvironment_~tmp~3#1;assume { :begin_inline_deactivatePump } true;~pumpRunning~0 := 0;" "assume { :end_inline_deactivatePump } true;" "havoc processEnvironment_#t~ret10#1, processEnvironment_~tmp~3#1;assume { :end_inline_processEnvironment } true;" "assume { :begin_inline___utac_acc__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret29#1, __utac_acc__Specification3_spec__1_#t~ret30#1, __utac_acc__Specification3_spec__1_#t~ret31#1, __utac_acc__Specification3_spec__1_~tmp~8#1, __utac_acc__Specification3_spec__1_~tmp___0~3#1, __utac_acc__Specification3_spec__1_~tmp___1~1#1;havoc __utac_acc__Specification3_spec__1_~tmp~8#1;havoc __utac_acc__Specification3_spec__1_~tmp___0~3#1;havoc __utac_acc__Specification3_spec__1_~tmp___1~1#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~4#1;havoc isMethaneLevelCritical_~retValue_acc~4#1;isMethaneLevelCritical_~retValue_acc~4#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~4#1;" "__utac_acc__Specification3_spec__1_#t~ret29#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~4#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~8#1 := __utac_acc__Specification3_spec__1_#t~ret29#1;havoc __utac_acc__Specification3_spec__1_#t~ret29#1;" "assume 0 != __utac_acc__Specification3_spec__1_~tmp~8#1;" "havoc __utac_acc__Specification3_spec__1_#t~ret29#1, __utac_acc__Specification3_spec__1_#t~ret30#1, __utac_acc__Specification3_spec__1_#t~ret31#1, __utac_acc__Specification3_spec__1_~tmp~8#1, __utac_acc__Specification3_spec__1_~tmp___0~3#1, __utac_acc__Specification3_spec__1_~tmp___1~1#1;assume { :end_inline___utac_acc__Specification3_spec__1 } true;" "assume { :end_inline_timeShift } true;"
[2024-11-24 01:34:25,362 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 01:34:25,362 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 2 times
[2024-11-24 01:34:25,362 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM
[2024-11-24 01:34:25,362 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [540032054]
[2024-11-24 01:34:25,362 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 01:34:25,363 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-24 01:34:25,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-24 01:34:25,371 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-11-24 01:34:25,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-24 01:34:25,379 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace
[2024-11-24 01:34:25,379 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 01:34:25,379 INFO L85 PathProgramCache]: Analyzing trace with hash -1320369711, now seen corresponding path program 1 times
[2024-11-24 01:34:25,379 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM
[2024-11-24 01:34:25,379 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [606115948]
[2024-11-24 01:34:25,380 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 01:34:25,380 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-24 01:34:25,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 01:34:25,401 INFO L136 FreeRefinementEngine]: Strategy CAMEL_NO_AM found an infeasible trace
[2024-11-24 01:34:25,402 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [606115948]
[2024-11-24 01:34:25,402 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [606115948] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-24 01:34:25,402 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1977809720]
[2024-11-24 01:34:25,402 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 01:34:25,402 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-24 01:34:25,402 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b638bb13-e376-4a16-b3cc-bfa0dc94ac7d/bin/uautomizer-verify-LYvppIcaGC/z3
[2024-11-24 01:34:25,404 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b638bb13-e376-4a16-b3cc-bfa0dc94ac7d/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-24 01:34:25,407 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b638bb13-e376-4a16-b3cc-bfa0dc94ac7d/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process
[2024-11-24 01:34:25,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 01:34:25,477 INFO L256 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 3 conjuncts are in the unsatisfiable core
[2024-11-24 01:34:25,478 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-11-24 01:34:25,485 INFO L312 TraceCheckSpWp]: Computing backward predicates...
[2024-11-24 01:34:25,491 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1977809720] provided 0 perfect and 2 imperfect interpolant sequences
[2024-11-24 01:34:25,491 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-11-24 01:34:25,491 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 3
[2024-11-24 01:34:25,492 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1915540271]
[2024-11-24 01:34:25,492 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-11-24 01:34:25,492 INFO L764 eck$LassoCheckResult]: loop already infeasible
[2024-11-24 01:34:25,492 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM
[2024-11-24 01:34:25,492 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-24 01:34:25,493 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-24 01:34:25,493 INFO L87 Difference]: Start difference. First operand 309 states and 412 transitions. cyclomatic complexity: 105 Second operand has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-24 01:34:25,608 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-24 01:34:25,608 INFO L93 Difference]: Finished difference Result 320 states and 406 transitions.
[2024-11-24 01:34:25,609 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 320 states and 406 transitions.
[2024-11-24 01:34:25,611 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 218
[2024-11-24 01:34:25,614 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 320 states to 320 states and 406 transitions.
[2024-11-24 01:34:25,614 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 320
[2024-11-24 01:34:25,614 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 320
[2024-11-24 01:34:25,614 INFO L73 IsDeterministic]: Start isDeterministic. Operand 320 states and 406 transitions.
[2024-11-24 01:34:25,616 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2024-11-24 01:34:25,616 INFO L218 hiAutomatonCegarLoop]: Abstraction has 320 states and 406 transitions.
[2024-11-24 01:34:25,616 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 320 states and 406 transitions.
[2024-11-24 01:34:25,625 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 320 to 320.
[2024-11-24 01:34:25,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 320 states, 320 states have (on average 1.26875) internal successors, (406), 319 states have internal predecessors, (406), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-24 01:34:25,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 320 states and 406 transitions.
[2024-11-24 01:34:25,627 INFO L240 hiAutomatonCegarLoop]: Abstraction has 320 states and 406 transitions.
[2024-11-24 01:34:25,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-24 01:34:25,628 INFO L425 stractBuchiCegarLoop]: Abstraction has 320 states and 406 transitions.
[2024-11-24 01:34:25,628 INFO L332 stractBuchiCegarLoop]: ======== Iteration 3 ============
[2024-11-24 01:34:25,628 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 320 states and 406 transitions.
[2024-11-24 01:34:25,630 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 218
[2024-11-24 01:34:25,631 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false
[2024-11-24 01:34:25,631 INFO L119 BuchiIsEmpty]: Starting construction of run
[2024-11-24 01:34:25,631 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1]
[2024-11-24 01:34:25,631 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, 1]
[2024-11-24 01:34:25,632 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);~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret28#1, main_~retValue_acc~8#1, main_~tmp~7#1;havoc main_~retValue_acc~8#1;havoc main_~tmp~7#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~10#1;havoc valid_product_~retValue_acc~10#1;valid_product_~retValue_acc~10#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~10#1;" "main_#t~ret28#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~10#1;assume { :end_inline_valid_product } true;main_~tmp~7#1 := main_#t~ret28#1;havoc main_#t~ret28#1;" "assume 0 != main_~tmp~7#1;assume { :begin_inline_setup } true;" "assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet4#1, test_#t~nondet5#1, test_#t~nondet6#1, test_#t~nondet7#1, test_~splverifierCounter~0#1, test_~tmp~0#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~0#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0;"
[2024-11-24 01:34:25,632 INFO L749 eck$LassoCheckResult]: Loop: "assume test_~splverifierCounter~0#1 < 4;" "havoc test_#t~nondet4#1;test_~tmp~0#1 := test_#t~nondet4#1;havoc test_#t~nondet4#1;" "assume !(0 != test_~tmp~0#1);" "havoc test_#t~nondet5#1;test_~tmp___0~0#1 := test_#t~nondet5#1;havoc test_#t~nondet5#1;" "assume !(0 != test_~tmp___0~0#1);" "havoc test_#t~nondet6#1;test_~tmp___2~0#1 := test_#t~nondet6#1;havoc test_#t~nondet6#1;" "assume 0 != test_~tmp___2~0#1;" "assume { :begin_inline_timeShift } true;" "assume !(0 != ~pumpRunning~0);" "assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret10#1, processEnvironment_~tmp~3#1;havoc processEnvironment_~tmp~3#1;" "assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__methaneQuery } true;havoc processEnvironment__wrappee__methaneQuery_#t~ret9#1, processEnvironment__wrappee__methaneQuery_~tmp~2#1;havoc processEnvironment__wrappee__methaneQuery_~tmp~2#1;" "assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__highWaterSensor } true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret8#1, processEnvironment__wrappee__highWaterSensor_~tmp~1#1;havoc processEnvironment__wrappee__highWaterSensor_~tmp~1#1;" "assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret21#1, isHighWaterLevel_~retValue_acc~2#1, isHighWaterLevel_~tmp~5#1, isHighWaterLevel_~tmp___0~1#1;havoc isHighWaterLevel_~retValue_acc~2#1;havoc isHighWaterLevel_~tmp~5#1;havoc isHighWaterLevel_~tmp___0~1#1;assume { :begin_inline_isHighWaterSensorDry } true;havoc isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~6#1;havoc isHighWaterSensorDry_~retValue_acc~6#1;" "assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~6#1 := 1;isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~6#1;" "isHighWaterLevel_#t~ret21#1 := isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~6#1;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~5#1 := isHighWaterLevel_#t~ret21#1;havoc isHighWaterLevel_#t~ret21#1;" "assume 0 != isHighWaterLevel_~tmp~5#1;isHighWaterLevel_~tmp___0~1#1 := 0;" "isHighWaterLevel_~retValue_acc~2#1 := isHighWaterLevel_~tmp___0~1#1;isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~2#1;" "processEnvironment__wrappee__highWaterSensor_#t~ret8#1 := isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret21#1, isHighWaterLevel_~retValue_acc~2#1, isHighWaterLevel_~tmp~5#1, isHighWaterLevel_~tmp___0~1#1;assume { :end_inline_isHighWaterLevel } true;processEnvironment__wrappee__highWaterSensor_~tmp~1#1 := processEnvironment__wrappee__highWaterSensor_#t~ret8#1;havoc processEnvironment__wrappee__highWaterSensor_#t~ret8#1;" "assume !(0 != processEnvironment__wrappee__highWaterSensor_~tmp~1#1);assume { :begin_inline_processEnvironment__wrappee__base } true;" "assume { :end_inline_processEnvironment__wrappee__base } true;" "havoc processEnvironment__wrappee__highWaterSensor_#t~ret8#1, processEnvironment__wrappee__highWaterSensor_~tmp~1#1;assume { :end_inline_processEnvironment__wrappee__highWaterSensor } true;" "havoc processEnvironment__wrappee__methaneQuery_#t~ret9#1, processEnvironment__wrappee__methaneQuery_~tmp~2#1;assume { :end_inline_processEnvironment__wrappee__methaneQuery } true;" "havoc processEnvironment_#t~ret10#1, processEnvironment_~tmp~3#1;assume { :end_inline_processEnvironment } true;" "assume { :begin_inline___utac_acc__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret29#1, __utac_acc__Specification3_spec__1_#t~ret30#1, __utac_acc__Specification3_spec__1_#t~ret31#1, __utac_acc__Specification3_spec__1_~tmp~8#1, __utac_acc__Specification3_spec__1_~tmp___0~3#1, __utac_acc__Specification3_spec__1_~tmp___1~1#1;havoc __utac_acc__Specification3_spec__1_~tmp~8#1;havoc __utac_acc__Specification3_spec__1_~tmp___0~3#1;havoc __utac_acc__Specification3_spec__1_~tmp___1~1#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~4#1;havoc isMethaneLevelCritical_~retValue_acc~4#1;isMethaneLevelCritical_~retValue_acc~4#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~4#1;" "__utac_acc__Specification3_spec__1_#t~ret29#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~4#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~8#1 := __utac_acc__Specification3_spec__1_#t~ret29#1;havoc __utac_acc__Specification3_spec__1_#t~ret29#1;" "assume 0 != __utac_acc__Specification3_spec__1_~tmp~8#1;" "havoc __utac_acc__Specification3_spec__1_#t~ret29#1, __utac_acc__Specification3_spec__1_#t~ret30#1, __utac_acc__Specification3_spec__1_#t~ret31#1, __utac_acc__Specification3_spec__1_~tmp~8#1, __utac_acc__Specification3_spec__1_~tmp___0~3#1, __utac_acc__Specification3_spec__1_~tmp___1~1#1;assume { :end_inline___utac_acc__Specification3_spec__1 } true;" "assume { :end_inline_timeShift } true;"
[2024-11-24 01:34:25,632 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 01:34:25,632 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 3 times
[2024-11-24 01:34:25,632 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM
[2024-11-24 01:34:25,632 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [284544361]
[2024-11-24 01:34:25,633 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 01:34:25,633 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-24 01:34:25,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-24 01:34:25,641 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-11-24 01:34:25,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-24 01:34:25,649 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace
[2024-11-24 01:34:25,649 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 01:34:25,649 INFO L85 PathProgramCache]: Analyzing trace with hash -632326636, now seen corresponding path program 1 times
[2024-11-24 01:34:25,649 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM
[2024-11-24 01:34:25,649 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [283395054]
[2024-11-24 01:34:25,650 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 01:34:25,650 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-24 01:34:25,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-24 01:34:25,658 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-11-24 01:34:25,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-24 01:34:25,667 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace
[2024-11-24 01:34:25,667 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 01:34:25,667 INFO L85 PathProgramCache]: Analyzing trace with hash -1883308584, now seen corresponding path program 1 times
[2024-11-24 01:34:25,667 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM
[2024-11-24 01:34:25,667 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [988107778]
[2024-11-24 01:34:25,668 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 01:34:25,668 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-24 01:34:25,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 01:34:25,773 INFO L136 FreeRefinementEngine]: Strategy CAMEL_NO_AM found an infeasible trace
[2024-11-24 01:34:25,773 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [988107778]
[2024-11-24 01:34:25,773 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [988107778] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-24 01:34:25,773 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1595730930]
[2024-11-24 01:34:25,773 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 01:34:25,773 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-24 01:34:25,773 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b638bb13-e376-4a16-b3cc-bfa0dc94ac7d/bin/uautomizer-verify-LYvppIcaGC/z3
[2024-11-24 01:34:25,775 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b638bb13-e376-4a16-b3cc-bfa0dc94ac7d/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-24 01:34:25,780 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b638bb13-e376-4a16-b3cc-bfa0dc94ac7d/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process
[2024-11-24 01:34:25,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 01:34:25,868 INFO L256 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 9 conjuncts are in the unsatisfiable core
[2024-11-24 01:34:25,870 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-11-24 01:34:25,961 INFO L312 TraceCheckSpWp]: Computing backward predicates...
[2024-11-24 01:34:26,068 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1595730930] provided 0 perfect and 2 imperfect interpolant sequences
[2024-11-24 01:34:26,068 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-11-24 01:34:26,068 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 4
[2024-11-24 01:34:26,069 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [758740420]
[2024-11-24 01:34:26,069 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-11-24 01:34:26,222 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM
[2024-11-24 01:34:26,223 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-24 01:34:26,223 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-11-24 01:34:26,223 INFO L87 Difference]: Start difference. First operand 320 states and 406 transitions. cyclomatic complexity: 88 Second operand has 5 states, 5 states have (on average 7.0) internal successors, (35), 4 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-24 01:34:26,390 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-24 01:34:26,390 INFO L93 Difference]: Finished difference Result 633 states and 797 transitions.
[2024-11-24 01:34:26,390 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 633 states and 797 transitions.
[2024-11-24 01:34:26,397 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 436
[2024-11-24 01:34:26,404 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 633 states to 633 states and 797 transitions.
[2024-11-24 01:34:26,405 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 633
[2024-11-24 01:34:26,405 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 633
[2024-11-24 01:34:26,405 INFO L73 IsDeterministic]: Start isDeterministic. Operand 633 states and 797 transitions.
[2024-11-24 01:34:26,409 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2024-11-24 01:34:26,409 INFO L218 hiAutomatonCegarLoop]: Abstraction has 633 states and 797 transitions.
[2024-11-24 01:34:26,410 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 633 states and 797 transitions.
[2024-11-24 01:34:26,437 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 633 to 633.
[2024-11-24 01:34:26,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 633 states, 633 states have (on average 1.2590837282780412) internal successors, (797), 632 states have internal predecessors, (797), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-24 01:34:26,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 633 states to 633 states and 797 transitions.
[2024-11-24 01:34:26,441 INFO L240 hiAutomatonCegarLoop]: Abstraction has 633 states and 797 transitions.
[2024-11-24 01:34:26,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2024-11-24 01:34:26,444 INFO L425 stractBuchiCegarLoop]: Abstraction has 633 states and 797 transitions.
[2024-11-24 01:34:26,444 INFO L332 stractBuchiCegarLoop]: ======== Iteration 4 ============
[2024-11-24 01:34:26,444 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 633 states and 797 transitions.
[2024-11-24 01:34:26,449 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 436
[2024-11-24 01:34:26,449 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false
[2024-11-24 01:34:26,449 INFO L119 BuchiIsEmpty]: Starting construction of run
[2024-11-24 01:34:26,450 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1]
[2024-11-24 01:34:26,450 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, 1, 1, 1]
[2024-11-24 01:34:26,450 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);~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret28#1, main_~retValue_acc~8#1, main_~tmp~7#1;havoc main_~retValue_acc~8#1;havoc main_~tmp~7#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~10#1;havoc valid_product_~retValue_acc~10#1;valid_product_~retValue_acc~10#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~10#1;" "main_#t~ret28#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~10#1;assume { :end_inline_valid_product } true;main_~tmp~7#1 := main_#t~ret28#1;havoc main_#t~ret28#1;" "assume 0 != main_~tmp~7#1;assume { :begin_inline_setup } true;" "assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet4#1, test_#t~nondet5#1, test_#t~nondet6#1, test_#t~nondet7#1, test_~splverifierCounter~0#1, test_~tmp~0#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~0#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0;"
[2024-11-24 01:34:26,450 INFO L749 eck$LassoCheckResult]: Loop: "assume test_~splverifierCounter~0#1 < 4;" "havoc test_#t~nondet4#1;test_~tmp~0#1 := test_#t~nondet4#1;havoc test_#t~nondet4#1;" "assume !(0 != test_~tmp~0#1);" "havoc test_#t~nondet5#1;test_~tmp___0~0#1 := test_#t~nondet5#1;havoc test_#t~nondet5#1;" "assume !(0 != test_~tmp___0~0#1);" "havoc test_#t~nondet6#1;test_~tmp___2~0#1 := test_#t~nondet6#1;havoc test_#t~nondet6#1;" "assume 0 != test_~tmp___2~0#1;" "assume { :begin_inline_timeShift } true;" "assume !(0 != ~pumpRunning~0);" "assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret10#1, processEnvironment_~tmp~3#1;havoc processEnvironment_~tmp~3#1;" "assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__methaneQuery } true;havoc processEnvironment__wrappee__methaneQuery_#t~ret9#1, processEnvironment__wrappee__methaneQuery_~tmp~2#1;havoc processEnvironment__wrappee__methaneQuery_~tmp~2#1;" "assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__highWaterSensor } true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret8#1, processEnvironment__wrappee__highWaterSensor_~tmp~1#1;havoc processEnvironment__wrappee__highWaterSensor_~tmp~1#1;" "assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret21#1, isHighWaterLevel_~retValue_acc~2#1, isHighWaterLevel_~tmp~5#1, isHighWaterLevel_~tmp___0~1#1;havoc isHighWaterLevel_~retValue_acc~2#1;havoc isHighWaterLevel_~tmp~5#1;havoc isHighWaterLevel_~tmp___0~1#1;assume { :begin_inline_isHighWaterSensorDry } true;havoc isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~6#1;havoc isHighWaterSensorDry_~retValue_acc~6#1;" "assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~6#1 := 1;isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~6#1;" "isHighWaterLevel_#t~ret21#1 := isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~6#1;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~5#1 := isHighWaterLevel_#t~ret21#1;havoc isHighWaterLevel_#t~ret21#1;" "assume 0 != isHighWaterLevel_~tmp~5#1;isHighWaterLevel_~tmp___0~1#1 := 0;" "isHighWaterLevel_~retValue_acc~2#1 := isHighWaterLevel_~tmp___0~1#1;isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~2#1;" "processEnvironment__wrappee__highWaterSensor_#t~ret8#1 := isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret21#1, isHighWaterLevel_~retValue_acc~2#1, isHighWaterLevel_~tmp~5#1, isHighWaterLevel_~tmp___0~1#1;assume { :end_inline_isHighWaterLevel } true;processEnvironment__wrappee__highWaterSensor_~tmp~1#1 := processEnvironment__wrappee__highWaterSensor_#t~ret8#1;havoc processEnvironment__wrappee__highWaterSensor_#t~ret8#1;" "assume !(0 != processEnvironment__wrappee__highWaterSensor_~tmp~1#1);assume { :begin_inline_processEnvironment__wrappee__base } true;" "assume { :end_inline_processEnvironment__wrappee__base } true;" "havoc processEnvironment__wrappee__highWaterSensor_#t~ret8#1, processEnvironment__wrappee__highWaterSensor_~tmp~1#1;assume { :end_inline_processEnvironment__wrappee__highWaterSensor } true;" "havoc processEnvironment__wrappee__methaneQuery_#t~ret9#1, processEnvironment__wrappee__methaneQuery_~tmp~2#1;assume { :end_inline_processEnvironment__wrappee__methaneQuery } true;" "havoc processEnvironment_#t~ret10#1, processEnvironment_~tmp~3#1;assume { :end_inline_processEnvironment } true;" "assume { :begin_inline___utac_acc__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret29#1, __utac_acc__Specification3_spec__1_#t~ret30#1, __utac_acc__Specification3_spec__1_#t~ret31#1, __utac_acc__Specification3_spec__1_~tmp~8#1, __utac_acc__Specification3_spec__1_~tmp___0~3#1, __utac_acc__Specification3_spec__1_~tmp___1~1#1;havoc __utac_acc__Specification3_spec__1_~tmp~8#1;havoc __utac_acc__Specification3_spec__1_~tmp___0~3#1;havoc __utac_acc__Specification3_spec__1_~tmp___1~1#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~4#1;havoc isMethaneLevelCritical_~retValue_acc~4#1;isMethaneLevelCritical_~retValue_acc~4#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~4#1;" "__utac_acc__Specification3_spec__1_#t~ret29#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~4#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~8#1 := __utac_acc__Specification3_spec__1_#t~ret29#1;havoc __utac_acc__Specification3_spec__1_#t~ret29#1;" "assume !(0 != __utac_acc__Specification3_spec__1_~tmp~8#1);assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~5#1;havoc getWaterLevel_~retValue_acc~5#1;getWaterLevel_~retValue_acc~5#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~5#1;" "__utac_acc__Specification3_spec__1_#t~ret30#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~5#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification3_spec__1_~tmp___0~3#1 := __utac_acc__Specification3_spec__1_#t~ret30#1;havoc __utac_acc__Specification3_spec__1_#t~ret30#1;" "assume !(2 == __utac_acc__Specification3_spec__1_~tmp___0~3#1);" "havoc __utac_acc__Specification3_spec__1_#t~ret29#1, __utac_acc__Specification3_spec__1_#t~ret30#1, __utac_acc__Specification3_spec__1_#t~ret31#1, __utac_acc__Specification3_spec__1_~tmp~8#1, __utac_acc__Specification3_spec__1_~tmp___0~3#1, __utac_acc__Specification3_spec__1_~tmp___1~1#1;assume { :end_inline___utac_acc__Specification3_spec__1 } true;" "assume { :end_inline_timeShift } true;"
[2024-11-24 01:34:26,451 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 01:34:26,451 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 4 times
[2024-11-24 01:34:26,451 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM
[2024-11-24 01:34:26,451 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2017381222]
[2024-11-24 01:34:26,451 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 01:34:26,452 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-24 01:34:26,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-24 01:34:26,464 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-11-24 01:34:26,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-24 01:34:26,478 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace
[2024-11-24 01:34:26,479 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 01:34:26,479 INFO L85 PathProgramCache]: Analyzing trace with hash -2074309207, now seen corresponding path program 1 times
[2024-11-24 01:34:26,479 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM
[2024-11-24 01:34:26,479 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [755469486]
[2024-11-24 01:34:26,479 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 01:34:26,479 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-24 01:34:26,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-24 01:34:26,495 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-11-24 01:34:26,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-24 01:34:26,511 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace
[2024-11-24 01:34:26,513 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 01:34:26,513 INFO L85 PathProgramCache]: Analyzing trace with hash -1677118355, now seen corresponding path program 1 times
[2024-11-24 01:34:26,513 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM
[2024-11-24 01:34:26,513 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [322669170]
[2024-11-24 01:34:26,514 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 01:34:26,514 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-24 01:34:26,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-24 01:34:26,534 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-11-24 01:34:26,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-24 01:34:26,555 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace
[2024-11-24 01:34:27,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-24 01:34:27,663 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-11-24 01:34:27,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-24 01:34:27,732 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 24.11 01:34:27 BoogieIcfgContainer
[2024-11-24 01:34:27,732 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer----------------------------
[2024-11-24 01:34:27,732 INFO L112 PluginConnector]: ------------------------Witness Printer----------------------------
[2024-11-24 01:34:27,732 INFO L270 PluginConnector]: Initializing Witness Printer...
[2024-11-24 01:34:27,733 INFO L274 PluginConnector]: Witness Printer initialized
[2024-11-24 01:34:27,734 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 01:34:24" (3/4) ...
[2024-11-24 01:34:27,736 INFO L143 WitnessPrinter]: Generating witness for non-termination counterexample
[2024-11-24 01:34:27,796 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b638bb13-e376-4a16-b3cc-bfa0dc94ac7d/bin/uautomizer-verify-LYvppIcaGC/witness.graphml
[2024-11-24 01:34:27,797 INFO L131 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2024-11-24 01:34:27,801 INFO L158 Benchmark]: Toolchain (without parser) took 5747.84ms. Allocated memory was 117.4MB in the beginning and 142.6MB in the end (delta: 25.2MB). Free memory was 92.6MB in the beginning and 64.0MB in the end (delta: 28.6MB). Peak memory consumption was 54.2MB. Max. memory is 16.1GB.
[2024-11-24 01:34:27,802 INFO L158 Benchmark]: CDTParser took 0.78ms. Allocated memory is still 117.4MB. Free memory is still 74.1MB. There was no memory consumed. Max. memory is 16.1GB.
[2024-11-24 01:34:27,802 INFO L158 Benchmark]: CACSL2BoogieTranslator took 629.68ms. Allocated memory is still 117.4MB. Free memory was 92.4MB in the beginning and 73.4MB in the end (delta: 19.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-11-24 01:34:27,802 INFO L158 Benchmark]: Boogie Procedure Inliner took 82.46ms. Allocated memory is still 117.4MB. Free memory was 73.4MB in the beginning and 68.9MB in the end (delta: 4.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-11-24 01:34:27,803 INFO L158 Benchmark]: Boogie Preprocessor took 124.66ms. Allocated memory is still 117.4MB. Free memory was 68.7MB in the beginning and 63.7MB in the end (delta: 5.0MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-11-24 01:34:27,803 INFO L158 Benchmark]: RCFGBuilder took 1227.69ms. Allocated memory is still 117.4MB. Free memory was 63.7MB in the beginning and 70.6MB in the end (delta: -6.9MB). Peak memory consumption was 40.2MB. Max. memory is 16.1GB.
[2024-11-24 01:34:27,803 INFO L158 Benchmark]: BuchiAutomizer took 3607.56ms. Allocated memory was 117.4MB in the beginning and 142.6MB in the end (delta: 25.2MB). Free memory was 70.6MB in the beginning and 66.0MB in the end (delta: 4.5MB). Peak memory consumption was 30.7MB. Max. memory is 16.1GB.
[2024-11-24 01:34:27,805 INFO L158 Benchmark]: Witness Printer took 66.06ms. Allocated memory is still 142.6MB. Free memory was 66.0MB in the beginning and 64.0MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-11-24 01:34:27,807 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.78ms. Allocated memory is still 117.4MB. Free memory is still 74.1MB. There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 629.68ms. Allocated memory is still 117.4MB. Free memory was 92.4MB in the beginning and 73.4MB in the end (delta: 19.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 82.46ms. Allocated memory is still 117.4MB. Free memory was 73.4MB in the beginning and 68.9MB in the end (delta: 4.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
* Boogie Preprocessor took 124.66ms. Allocated memory is still 117.4MB. Free memory was 68.7MB in the beginning and 63.7MB in the end (delta: 5.0MB). There was no memory consumed. Max. memory is 16.1GB.
* RCFGBuilder took 1227.69ms. Allocated memory is still 117.4MB. Free memory was 63.7MB in the beginning and 70.6MB in the end (delta: -6.9MB). Peak memory consumption was 40.2MB. Max. memory is 16.1GB.
* BuchiAutomizer took 3607.56ms. Allocated memory was 117.4MB in the beginning and 142.6MB in the end (delta: 25.2MB). Free memory was 70.6MB in the beginning and 66.0MB in the end (delta: 4.5MB). Peak memory consumption was 30.7MB. Max. memory is 16.1GB.
* Witness Printer took 66.06ms. Allocated memory is still 142.6MB. Free memory was 66.0MB in the beginning and 64.0MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator:
- GenericResultAtLocation [Line: 49]: Unsoundness Warning
Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [49]
- GenericResultAtLocation [Line: 118]: Unsoundness Warning
Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [118]
- GenericResultAtLocation [Line: 368]: Unsoundness Warning
Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [368]
- GenericResultAtLocation [Line: 472]: Unsoundness Warning
Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [472]
- GenericResultAtLocation [Line: 481]: Unsoundness Warning
Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [481]
- GenericResultAtLocation [Line: 580]: Unsoundness Warning
Ignoring preprocessor pragma C: #pragma merger(0,"Specification3_spec.i","") [580]
- GenericResultAtLocation [Line: 614]: Unsoundness Warning
Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [614]
- GenericResultAtLocation [Line: 649]: Unsoundness Warning
Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [649]
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- StatisticsResult: Constructed decomposition of program
Your program was decomposed into 3 terminating modules (3 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.3 modules have a trivial ranking function, the largest among these consists of 7 locations. The remainder module has 633 locations.
- StatisticsResult: Timing statistics
BüchiAutomizer plugin needed 3.4s and 4 iterations. TraceHistogramMax:1. Analysis of lassos took 2.7s. Construction of modules took 0.2s. Büchi inclusion checks took 0.4s. Highest rank in rank-based complementation 0. Minimization of det autom 3. Minimization of nondet autom 0. Automata minimization 0.1s AutomataMinimizationTime, 3 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, 1336 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1336 mSDsluCounter, 2799 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1804 mSDsCounter, 56 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 184 IncrementalHoareTripleChecker+Invalid, 240 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 56 mSolverCounterUnsat, 995 mSDtfsCounter, 184 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI1 SFLT0 conc2 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s
- TerminationAnalysisResult: Nontermination possible
Buchi Automizer proved that your program is nonterminating for some inputs
- LassoShapedNonTerminationArgument [Line: 66]: Nontermination argument in form of an infinite program execution.
Nontermination argument in form of an infinite program execution.
Stem:
[L128] int pumpRunning = 0;
[L129] int systemActive = 1;
[L370] int waterLevel = 1;
[L371] int methaneLevelCritical = 0;
[L482] int cleanupTimeShifts = 4;
[L819] static struct __ACC__ERR *head = (struct __ACC__ERR *)0;
VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1]
[L558] int retValue_acc ;
[L559] int tmp ;
[L563] FCALL select_helpers()
[L564] FCALL select_features()
[L565] CALL, EXPR valid_product()
[L641] int retValue_acc ;
[L644] retValue_acc = 1
[L645] return (retValue_acc);
VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1]
[L565] RET, EXPR valid_product()
[L565] tmp = valid_product()
[L567] COND TRUE \read(tmp)
[L569] FCALL setup()
[L570] CALL runTest()
[L549] CALL test()
[L55] int splverifierCounter ;
[L56] int tmp ;
[L57] int tmp___0 ;
[L58] int tmp___1 ;
[L59] int tmp___2 ;
[L62] splverifierCounter = 0
VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1]
Loop:
[L66] COND TRUE splverifierCounter < 4
[L72] tmp = __VERIFIER_nondet_int()
[L74] COND FALSE !(\read(tmp))
[L82] tmp___0 = __VERIFIER_nondet_int()
[L84] COND FALSE !(\read(tmp___0))
[L92] tmp___2 = __VERIFIER_nondet_int()
[L94] COND TRUE \read(tmp___2)
[L107] CALL timeShift()
[L136] COND FALSE !(\read(pumpRunning))
[L143] COND TRUE \read(systemActive)
[L145] CALL processEnvironment()
[L217] int tmp ;
[L220] COND FALSE !(\read(pumpRunning))
[L235] CALL processEnvironment__wrappee__methaneQuery()
[L191] int tmp ;
[L194] COND FALSE !(\read(pumpRunning))
[L209] CALL processEnvironment__wrappee__highWaterSensor()
[L165] int tmp ;
[L168] COND TRUE ! pumpRunning
[L170] CALL, EXPR isHighWaterLevel()
[L331] int retValue_acc ;
[L332] int tmp ;
[L333] int tmp___0 ;
[L337] CALL, EXPR isHighWaterSensorDry()
[L450] int retValue_acc ;
[L453] COND TRUE waterLevel < 2
[L454] retValue_acc = 1
[L455] return (retValue_acc);
[L337] RET, EXPR isHighWaterSensorDry()
[L337] tmp = isHighWaterSensorDry()
[L339] COND TRUE \read(tmp)
[L340] tmp___0 = 0
[L344] retValue_acc = tmp___0
[L345] return (retValue_acc);
[L170] RET, EXPR isHighWaterLevel()
[L170] tmp = isHighWaterLevel()
[L172] COND FALSE !(\read(tmp))
[L178] FCALL processEnvironment__wrappee__base()
[L209] RET processEnvironment__wrappee__highWaterSensor()
[L235] RET processEnvironment__wrappee__methaneQuery()
[L145] RET processEnvironment()
[L151] CALL __utac_acc__Specification3_spec__1()
[L582] int tmp ;
[L583] int tmp___0 ;
[L584] int tmp___1 ;
[L588] CALL, EXPR isMethaneLevelCritical()
[L409] int retValue_acc ;
[L412] retValue_acc = methaneLevelCritical
[L413] return (retValue_acc);
[L588] RET, EXPR isMethaneLevelCritical()
[L588] tmp = isMethaneLevelCritical()
[L590] COND FALSE !(\read(tmp))
[L594] CALL, EXPR getWaterLevel()
[L441] int retValue_acc ;
[L444] retValue_acc = waterLevel
[L445] return (retValue_acc);
[L594] RET, EXPR getWaterLevel()
[L594] tmp___0 = getWaterLevel()
[L596] COND FALSE !(tmp___0 == 2)
[L151] RET __utac_acc__Specification3_spec__1()
[L107] RET timeShift()
End of lasso representation.
- StatisticsResult: NonterminationArgumentStatistics
Fixpoint
- NonterminatingLassoResult [Line: 66]: Nonterminating execution
Found a nonterminating execution for the following lasso shaped sequence of statements.
Stem:
[L128] int pumpRunning = 0;
[L129] int systemActive = 1;
[L370] int waterLevel = 1;
[L371] int methaneLevelCritical = 0;
[L482] int cleanupTimeShifts = 4;
[L819] static struct __ACC__ERR *head = (struct __ACC__ERR *)0;
VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1]
[L558] int retValue_acc ;
[L559] int tmp ;
[L563] FCALL select_helpers()
[L564] FCALL select_features()
[L565] CALL, EXPR valid_product()
[L641] int retValue_acc ;
[L644] retValue_acc = 1
[L645] return (retValue_acc);
VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1]
[L565] RET, EXPR valid_product()
[L565] tmp = valid_product()
[L567] COND TRUE \read(tmp)
[L569] FCALL setup()
[L570] CALL runTest()
[L549] CALL test()
[L55] int splverifierCounter ;
[L56] int tmp ;
[L57] int tmp___0 ;
[L58] int tmp___1 ;
[L59] int tmp___2 ;
[L62] splverifierCounter = 0
VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1]
Loop:
[L66] COND TRUE splverifierCounter < 4
[L72] tmp = __VERIFIER_nondet_int()
[L74] COND FALSE !(\read(tmp))
[L82] tmp___0 = __VERIFIER_nondet_int()
[L84] COND FALSE !(\read(tmp___0))
[L92] tmp___2 = __VERIFIER_nondet_int()
[L94] COND TRUE \read(tmp___2)
[L107] CALL timeShift()
[L136] COND FALSE !(\read(pumpRunning))
[L143] COND TRUE \read(systemActive)
[L145] CALL processEnvironment()
[L217] int tmp ;
[L220] COND FALSE !(\read(pumpRunning))
[L235] CALL processEnvironment__wrappee__methaneQuery()
[L191] int tmp ;
[L194] COND FALSE !(\read(pumpRunning))
[L209] CALL processEnvironment__wrappee__highWaterSensor()
[L165] int tmp ;
[L168] COND TRUE ! pumpRunning
[L170] CALL, EXPR isHighWaterLevel()
[L331] int retValue_acc ;
[L332] int tmp ;
[L333] int tmp___0 ;
[L337] CALL, EXPR isHighWaterSensorDry()
[L450] int retValue_acc ;
[L453] COND TRUE waterLevel < 2
[L454] retValue_acc = 1
[L455] return (retValue_acc);
[L337] RET, EXPR isHighWaterSensorDry()
[L337] tmp = isHighWaterSensorDry()
[L339] COND TRUE \read(tmp)
[L340] tmp___0 = 0
[L344] retValue_acc = tmp___0
[L345] return (retValue_acc);
[L170] RET, EXPR isHighWaterLevel()
[L170] tmp = isHighWaterLevel()
[L172] COND FALSE !(\read(tmp))
[L178] FCALL processEnvironment__wrappee__base()
[L209] RET processEnvironment__wrappee__highWaterSensor()
[L235] RET processEnvironment__wrappee__methaneQuery()
[L145] RET processEnvironment()
[L151] CALL __utac_acc__Specification3_spec__1()
[L582] int tmp ;
[L583] int tmp___0 ;
[L584] int tmp___1 ;
[L588] CALL, EXPR isMethaneLevelCritical()
[L409] int retValue_acc ;
[L412] retValue_acc = methaneLevelCritical
[L413] return (retValue_acc);
[L588] RET, EXPR isMethaneLevelCritical()
[L588] tmp = isMethaneLevelCritical()
[L590] COND FALSE !(\read(tmp))
[L594] CALL, EXPR getWaterLevel()
[L441] int retValue_acc ;
[L444] retValue_acc = waterLevel
[L445] return (retValue_acc);
[L594] RET, EXPR getWaterLevel()
[L594] tmp___0 = getWaterLevel()
[L596] COND FALSE !(tmp___0 == 2)
[L151] RET __utac_acc__Specification3_spec__1()
[L107] RET timeShift()
End of lasso representation.
RESULT: Ultimate proved your program to be incorrect!
[2024-11-24 01:34:27,829 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b638bb13-e376-4a16-b3cc-bfa0dc94ac7d/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0
[2024-11-24 01:34:28,028 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b638bb13-e376-4a16-b3cc-bfa0dc94ac7d/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0
[2024-11-24 01:34:28,229 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b638bb13-e376-4a16-b3cc-bfa0dc94ac7d/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0
[2024-11-24 01:34:28,429 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b638bb13-e376-4a16-b3cc-bfa0dc94ac7d/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0
Received shutdown request...
--- End real Ultimate output ---
Execution finished normally
Writing output log to file Ultimate.log
Writing human readable error path to file UltimateCounterExample.errorpath
Result:
FALSE(TERM)