./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product39.cil.c --full-output --architecture 32bit
--------------------------------------------------------------------------------
Checking for termination
Using default analysis
Version d790fecc
Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f8f24fd-aa9b-4ed2-a17e-d52923b7aae5/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f8f24fd-aa9b-4ed2-a17e-d52923b7aae5/bin/uautomizer-verify-84ZbGMXZE1/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f8f24fd-aa9b-4ed2-a17e-d52923b7aae5/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f8f24fd-aa9b-4ed2-a17e-d52923b7aae5/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product39.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f8f24fd-aa9b-4ed2-a17e-d52923b7aae5/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f8f24fd-aa9b-4ed2-a17e-d52923b7aae5/bin/uautomizer-verify-84ZbGMXZE1 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) )
--witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash faabc130c8aadbb7390121b68f1c41e161e50da9443e348cb1c3db1c45e9e0cb
--- Real Ultimate output ---
This is Ultimate 0.3.0-dev-d790fec
[2024-12-01 13:17:01,534 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2024-12-01 13:17:01,598 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f8f24fd-aa9b-4ed2-a17e-d52923b7aae5/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Termination-32bit-Automizer_Default.epf
[2024-12-01 13:17:01,603 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2024-12-01 13:17:01,603 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-12-01 13:17:01,626 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2024-12-01 13:17:01,627 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-12-01 13:17:01,627 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-12-01 13:17:01,627 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-12-01 13:17:01,627 INFO L153 SettingsManager]: * Use memory slicer=true
[2024-12-01 13:17:01,628 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-12-01 13:17:01,628 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2024-12-01 13:17:01,628 INFO L153 SettingsManager]: * Use SBE=true
[2024-12-01 13:17:01,628 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults:
[2024-12-01 13:17:01,628 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3
[2024-12-01 13:17:01,628 INFO L153 SettingsManager]: * Use old map elimination=false
[2024-12-01 13:17:01,628 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false
[2024-12-01 13:17:01,628 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true
[2024-12-01 13:17:01,629 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES
[2024-12-01 13:17:01,629 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-12-01 13:17:01,629 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME
[2024-12-01 13:17:01,629 INFO L153 SettingsManager]: * sizeof long=4
[2024-12-01 13:17:01,629 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2024-12-01 13:17:01,629 INFO L153 SettingsManager]: * sizeof POINTER=4
[2024-12-01 13:17:01,629 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2024-12-01 13:17:01,629 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME
[2024-12-01 13:17:01,629 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME
[2024-12-01 13:17:01,629 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME
[2024-12-01 13:17:01,629 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false
[2024-12-01 13:17:01,630 INFO L153 SettingsManager]: * sizeof long double=12
[2024-12-01 13:17:01,630 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2024-12-01 13:17:01,630 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false
[2024-12-01 13:17:01,630 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR
[2024-12-01 13:17:01,630 INFO L153 SettingsManager]: * Use constant arrays=true
[2024-12-01 13:17:01,630 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-12-01 13:17:01,630 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-12-01 13:17:01,630 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-12-01 13:17:01,630 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL_NO_AM
[2024-12-01 13:17:01,631 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults:
[2024-12-01 13:17:01,631 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_3f8f24fd-aa9b-4ed2-a17e-d52923b7aae5/bin/uautomizer-verify-84ZbGMXZE1
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) )
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> faabc130c8aadbb7390121b68f1c41e161e50da9443e348cb1c3db1c45e9e0cb
[2024-12-01 13:17:01,895 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2024-12-01 13:17:01,905 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-12-01 13:17:01,908 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-12-01 13:17:01,909 INFO L270 PluginConnector]: Initializing CDTParser...
[2024-12-01 13:17:01,909 INFO L274 PluginConnector]: CDTParser initialized
[2024-12-01 13:17:01,911 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f8f24fd-aa9b-4ed2-a17e-d52923b7aae5/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/product-lines/minepump_spec2_product39.cil.c
[2024-12-01 13:17:04,762 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f8f24fd-aa9b-4ed2-a17e-d52923b7aae5/bin/uautomizer-verify-84ZbGMXZE1/data/ab940ac43/cb8323710bca4359bd8d5dac2f4a2964/FLAG95c4b96e1
[2024-12-01 13:17:04,952 INFO L384 CDTParser]: Found 1 translation units.
[2024-12-01 13:17:04,953 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f8f24fd-aa9b-4ed2-a17e-d52923b7aae5/sv-benchmarks/c/product-lines/minepump_spec2_product39.cil.c
[2024-12-01 13:17:04,963 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f8f24fd-aa9b-4ed2-a17e-d52923b7aae5/bin/uautomizer-verify-84ZbGMXZE1/data/ab940ac43/cb8323710bca4359bd8d5dac2f4a2964/FLAG95c4b96e1
[2024-12-01 13:17:05,309 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f8f24fd-aa9b-4ed2-a17e-d52923b7aae5/bin/uautomizer-verify-84ZbGMXZE1/data/ab940ac43/cb8323710bca4359bd8d5dac2f4a2964
[2024-12-01 13:17:05,312 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-12-01 13:17:05,313 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2024-12-01 13:17:05,314 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-12-01 13:17:05,314 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-12-01 13:17:05,316 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2024-12-01 13:17:05,317 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 01:17:05" (1/1) ...
[2024-12-01 13:17:05,317 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7ba41b0f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 01:17:05, skipping insertion in model container
[2024-12-01 13:17:05,318 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 01:17:05" (1/1) ...
[2024-12-01 13:17:05,342 INFO L175 MainTranslator]: Built tables and reachable declarations
[2024-12-01 13:17:05,541 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-12-01 13:17:05,552 INFO L200 MainTranslator]: Completed pre-run
[2024-12-01 13:17:05,560 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [49]
[2024-12-01 13:17:05,562 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [150]
[2024-12-01 13:17:05,562 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification2_spec.i","") [254]
[2024-12-01 13:17:05,562 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [295]
[2024-12-01 13:17:05,562 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [304]
[2024-12-01 13:17:05,562 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [372]
[2024-12-01 13:17:05,562 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [567]
[2024-12-01 13:17:05,562 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [602]
[2024-12-01 13:17:05,611 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-12-01 13:17:05,628 INFO L204 MainTranslator]: Completed translation
[2024-12-01 13:17:05,629 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 01:17:05 WrapperNode
[2024-12-01 13:17:05,629 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-12-01 13:17:05,630 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-12-01 13:17:05,630 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-12-01 13:17:05,630 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2024-12-01 13:17:05,637 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 01:17:05" (1/1) ...
[2024-12-01 13:17:05,647 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 01:17:05" (1/1) ...
[2024-12-01 13:17:05,675 INFO L138 Inliner]: procedures = 55, calls = 101, calls flagged for inlining = 54, calls inlined = 83, statements flattened = 552
[2024-12-01 13:17:05,675 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-12-01 13:17:05,675 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-12-01 13:17:05,676 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2024-12-01 13:17:05,676 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2024-12-01 13:17:05,683 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 01:17:05" (1/1) ...
[2024-12-01 13:17:05,683 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 01:17:05" (1/1) ...
[2024-12-01 13:17:05,685 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 01:17:05" (1/1) ...
[2024-12-01 13:17:05,700 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0].
[2024-12-01 13:17:05,700 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 01:17:05" (1/1) ...
[2024-12-01 13:17:05,700 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 01:17:05" (1/1) ...
[2024-12-01 13:17:05,708 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 01:17:05" (1/1) ...
[2024-12-01 13:17:05,709 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 01:17:05" (1/1) ...
[2024-12-01 13:17:05,715 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 01:17:05" (1/1) ...
[2024-12-01 13:17:05,717 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 01:17:05" (1/1) ...
[2024-12-01 13:17:05,718 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 01:17:05" (1/1) ...
[2024-12-01 13:17:05,721 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-12-01 13:17:05,722 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-12-01 13:17:05,722 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2024-12-01 13:17:05,722 INFO L274 PluginConnector]: RCFGBuilder initialized
[2024-12-01 13:17:05,723 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 01:17:05" (1/1) ...
[2024-12-01 13:17:05,728 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2024-12-01 13:17:05,738 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f8f24fd-aa9b-4ed2-a17e-d52923b7aae5/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-01 13:17:05,748 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f8f24fd-aa9b-4ed2-a17e-d52923b7aae5/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2024-12-01 13:17:05,751 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f8f24fd-aa9b-4ed2-a17e-d52923b7aae5/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process
[2024-12-01 13:17:05,772 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-12-01 13:17:05,772 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0
[2024-12-01 13:17:05,772 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-12-01 13:17:05,772 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-12-01 13:17:05,825 INFO L234 CfgBuilder]: Building ICFG
[2024-12-01 13:17:05,827 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation
[2024-12-01 13:17:06,174 INFO L? ?]: Removed 121 outVars from TransFormulas that were not future-live.
[2024-12-01 13:17:06,174 INFO L283 CfgBuilder]: Performing block encoding
[2024-12-01 13:17:06,188 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-12-01 13:17:06,189 INFO L312 CfgBuilder]: Removed 4 assume(true) statements.
[2024-12-01 13:17:06,189 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 01:17:06 BoogieIcfgContainer
[2024-12-01 13:17:06,189 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-12-01 13:17:06,190 INFO L112 PluginConnector]: ------------------------BuchiAutomizer----------------------------
[2024-12-01 13:17:06,190 INFO L270 PluginConnector]: Initializing BuchiAutomizer...
[2024-12-01 13:17:06,198 INFO L274 PluginConnector]: BuchiAutomizer initialized
[2024-12-01 13:17:06,199 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis
[2024-12-01 13:17:06,199 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 01.12 01:17:05" (1/3) ...
[2024-12-01 13:17:06,200 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@66fbafd9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 01.12 01:17:06, skipping insertion in model container
[2024-12-01 13:17:06,200 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis
[2024-12-01 13:17:06,200 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 01:17:05" (2/3) ...
[2024-12-01 13:17:06,200 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@66fbafd9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 01.12 01:17:06, skipping insertion in model container
[2024-12-01 13:17:06,200 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis
[2024-12-01 13:17:06,200 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 01:17:06" (3/3) ...
[2024-12-01 13:17:06,202 INFO L363 chiAutomizerObserver]: Analyzing ICFG minepump_spec2_product39.cil.c
[2024-12-01 13:17:06,250 INFO L300 stractBuchiCegarLoop]: Interprodecural is true
[2024-12-01 13:17:06,250 INFO L301 stractBuchiCegarLoop]: Hoare is None
[2024-12-01 13:17:06,250 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates
[2024-12-01 13:17:06,250 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE
[2024-12-01 13:17:06,250 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2024-12-01 13:17:06,250 INFO L305 stractBuchiCegarLoop]: Difference is false
[2024-12-01 13:17:06,250 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA
[2024-12-01 13:17:06,250 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ========
[2024-12-01 13:17:06,256 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 165 states, 164 states have (on average 1.3780487804878048) internal successors, (226), 164 states have internal predecessors, (226), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-01 13:17:06,282 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 106
[2024-12-01 13:17:06,283 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false
[2024-12-01 13:17:06,283 INFO L119 BuchiIsEmpty]: Starting construction of run
[2024-12-01 13:17:06,290 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-01 13:17:06,290 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-01 13:17:06,290 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============
[2024-12-01 13:17:06,291 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 165 states, 164 states have (on average 1.3780487804878048) internal successors, (226), 164 states have internal predecessors, (226), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-01 13:17:06,296 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 106
[2024-12-01 13:17:06,296 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false
[2024-12-01 13:17:06,296 INFO L119 BuchiIsEmpty]: Starting construction of run
[2024-12-01 13:17:06,297 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-01 13:17:06,297 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-01 13:17:06,301 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);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~methAndRunningLastTime~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~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~ret9#1, main_~retValue_acc~3#1, main_~tmp~0#1;havoc main_~retValue_acc~3#1;havoc main_~tmp~0#1;assume { :begin_inline_select_helpers } true;" "assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true;" "assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~8#1;havoc valid_product_~retValue_acc~8#1;valid_product_~retValue_acc~8#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~8#1;" "main_#t~ret9#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~8#1;assume { :end_inline_valid_product } true;main_~tmp~0#1 := main_#t~ret9#1;havoc main_#t~ret9#1;" "assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true;" "assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification2_spec__1 } true;~methAndRunningLastTime~0 := 0;" "assume { :end_inline___utac_acc__Specification2_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet12#1, test_#t~nondet13#1, test_#t~nondet14#1, test_#t~nondet15#1, test_~splverifierCounter~0#1, test_~tmp~2#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~2#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0;"
[2024-12-01 13:17:06,301 INFO L749 eck$LassoCheckResult]: Loop: "assume test_~splverifierCounter~0#1 < 4;" "havoc test_#t~nondet12#1;test_~tmp~2#1 := test_#t~nondet12#1;havoc test_#t~nondet12#1;" "assume !(0 != test_~tmp~2#1);" "havoc test_#t~nondet13#1;test_~tmp___0~1#1 := test_#t~nondet13#1;havoc test_#t~nondet13#1;" "assume !(0 != test_~tmp___0~1#1);" "havoc test_#t~nondet14#1;test_~tmp___2~0#1 := test_#t~nondet14#1;havoc test_#t~nondet14#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__Specification2_spec__2 } true;havoc __utac_acc__Specification2_spec__2_#t~ret10#1, __utac_acc__Specification2_spec__2_#t~ret11#1, __utac_acc__Specification2_spec__2_~tmp~1#1, __utac_acc__Specification2_spec__2_~tmp___0~0#1;havoc __utac_acc__Specification2_spec__2_~tmp~1#1;havoc __utac_acc__Specification2_spec__2_~tmp___0~0#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~0#1;havoc isMethaneLevelCritical_~retValue_acc~0#1;isMethaneLevelCritical_~retValue_acc~0#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~0#1;" "__utac_acc__Specification2_spec__2_#t~ret10#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~0#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification2_spec__2_~tmp~1#1 := __utac_acc__Specification2_spec__2_#t~ret10#1;havoc __utac_acc__Specification2_spec__2_#t~ret10#1;" "assume !(0 != __utac_acc__Specification2_spec__2_~tmp~1#1);~methAndRunningLastTime~0 := 0;" "havoc __utac_acc__Specification2_spec__2_#t~ret10#1, __utac_acc__Specification2_spec__2_#t~ret11#1, __utac_acc__Specification2_spec__2_~tmp~1#1, __utac_acc__Specification2_spec__2_~tmp___0~0#1;assume { :end_inline___utac_acc__Specification2_spec__2 } true;" "assume { :end_inline_timeShift } true;"
[2024-12-01 13:17:06,305 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-01 13:17:06,305 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 1 times
[2024-12-01 13:17:06,311 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM
[2024-12-01 13:17:06,311 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1534856890]
[2024-12-01 13:17:06,311 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-01 13:17:06,312 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-01 13:17:06,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-12-01 13:17:06,396 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-12-01 13:17:06,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-12-01 13:17:06,429 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace
[2024-12-01 13:17:06,432 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-01 13:17:06,432 INFO L85 PathProgramCache]: Analyzing trace with hash 947787136, now seen corresponding path program 1 times
[2024-12-01 13:17:06,432 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM
[2024-12-01 13:17:06,432 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [976525946]
[2024-12-01 13:17:06,432 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-01 13:17:06,432 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-01 13:17:06,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-12-01 13:17:06,441 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-12-01 13:17:06,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-12-01 13:17:06,449 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace
[2024-12-01 13:17:06,450 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-01 13:17:06,451 INFO L85 PathProgramCache]: Analyzing trace with hash 804004727, now seen corresponding path program 1 times
[2024-12-01 13:17:06,451 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM
[2024-12-01 13:17:06,451 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [25562840]
[2024-12-01 13:17:06,451 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-01 13:17:06,451 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-01 13:17:06,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-01 13:17:06,660 INFO L136 FreeRefinementEngine]: Strategy CAMEL_NO_AM found an infeasible trace
[2024-12-01 13:17:06,661 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [25562840]
[2024-12-01 13:17:06,661 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [25562840] provided 0 perfect and 1 imperfect interpolant sequences
[2024-12-01 13:17:06,661 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1233613387]
[2024-12-01 13:17:06,662 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-01 13:17:06,662 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-01 13:17:06,662 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f8f24fd-aa9b-4ed2-a17e-d52923b7aae5/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-01 13:17:06,664 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f8f24fd-aa9b-4ed2-a17e-d52923b7aae5/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-12-01 13:17:06,668 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f8f24fd-aa9b-4ed2-a17e-d52923b7aae5/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process
[2024-12-01 13:17:06,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-01 13:17:06,745 INFO L256 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 2 conjuncts are in the unsatisfiable core
[2024-12-01 13:17:06,747 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-12-01 13:17:06,799 INFO L312 TraceCheckSpWp]: Computing backward predicates...
[2024-12-01 13:17:06,841 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1233613387] provided 0 perfect and 2 imperfect interpolant sequences
[2024-12-01 13:17:06,841 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-12-01 13:17:06,841 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 2, 2] total 6
[2024-12-01 13:17:06,841 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [728928228]
[2024-12-01 13:17:06,842 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-12-01 13:17:06,921 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM
[2024-12-01 13:17:06,947 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2024-12-01 13:17:06,948 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42
[2024-12-01 13:17:06,950 INFO L87 Difference]: Start difference. First operand has 165 states, 164 states have (on average 1.3780487804878048) internal successors, (226), 164 states have internal predecessors, (226), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 7 states, 7 states have (on average 5.857142857142857) internal successors, (41), 6 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-01 13:17:07,079 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-01 13:17:07,079 INFO L93 Difference]: Finished difference Result 375 states and 498 transitions.
[2024-12-01 13:17:07,080 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 375 states and 498 transitions.
[2024-12-01 13:17:07,088 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 239
[2024-12-01 13:17:07,097 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 375 states to 345 states and 468 transitions.
[2024-12-01 13:17:07,098 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 345
[2024-12-01 13:17:07,099 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 345
[2024-12-01 13:17:07,100 INFO L73 IsDeterministic]: Start isDeterministic. Operand 345 states and 468 transitions.
[2024-12-01 13:17:07,103 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2024-12-01 13:17:07,103 INFO L218 hiAutomatonCegarLoop]: Abstraction has 345 states and 468 transitions.
[2024-12-01 13:17:07,115 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 345 states and 468 transitions.
[2024-12-01 13:17:07,134 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 345 to 202.
[2024-12-01 13:17:07,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 202 states, 202 states have (on average 1.3564356435643565) internal successors, (274), 201 states have internal predecessors, (274), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-01 13:17:07,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 202 states and 274 transitions.
[2024-12-01 13:17:07,137 INFO L240 hiAutomatonCegarLoop]: Abstraction has 202 states and 274 transitions.
[2024-12-01 13:17:07,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2024-12-01 13:17:07,141 INFO L425 stractBuchiCegarLoop]: Abstraction has 202 states and 274 transitions.
[2024-12-01 13:17:07,141 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============
[2024-12-01 13:17:07,141 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 202 states and 274 transitions.
[2024-12-01 13:17:07,144 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 140
[2024-12-01 13:17:07,144 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false
[2024-12-01 13:17:07,144 INFO L119 BuchiIsEmpty]: Starting construction of run
[2024-12-01 13:17:07,145 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-01 13:17:07,145 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]
[2024-12-01 13:17:07,145 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);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~methAndRunningLastTime~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~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~ret9#1, main_~retValue_acc~3#1, main_~tmp~0#1;havoc main_~retValue_acc~3#1;havoc main_~tmp~0#1;assume { :begin_inline_select_helpers } true;" "assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true;" "assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~8#1;havoc valid_product_~retValue_acc~8#1;valid_product_~retValue_acc~8#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~8#1;" "main_#t~ret9#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~8#1;assume { :end_inline_valid_product } true;main_~tmp~0#1 := main_#t~ret9#1;havoc main_#t~ret9#1;" "assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true;" "assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification2_spec__1 } true;~methAndRunningLastTime~0 := 0;" "assume { :end_inline___utac_acc__Specification2_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet12#1, test_#t~nondet13#1, test_#t~nondet14#1, test_#t~nondet15#1, test_~splverifierCounter~0#1, test_~tmp~2#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~2#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0;"
[2024-12-01 13:17:07,145 INFO L749 eck$LassoCheckResult]: Loop: "assume test_~splverifierCounter~0#1 < 4;" "havoc test_#t~nondet12#1;test_~tmp~2#1 := test_#t~nondet12#1;havoc test_#t~nondet12#1;" "assume !(0 != test_~tmp~2#1);" "havoc test_#t~nondet13#1;test_~tmp___0~1#1 := test_#t~nondet13#1;havoc test_#t~nondet13#1;" "assume !(0 != test_~tmp___0~1#1);" "havoc test_#t~nondet14#1;test_~tmp___2~0#1 := test_#t~nondet14#1;havoc test_#t~nondet14#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~ret17#1, processEnvironment_~tmp~4#1;havoc processEnvironment_~tmp~4#1;" "assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__highWaterSensor } true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret16#1, processEnvironment__wrappee__highWaterSensor_~tmp~3#1;havoc processEnvironment__wrappee__highWaterSensor_~tmp~3#1;" "assume !(0 == ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true;" "assume { :end_inline_processEnvironment__wrappee__base } true;" "havoc processEnvironment__wrappee__highWaterSensor_#t~ret16#1, processEnvironment__wrappee__highWaterSensor_~tmp~3#1;assume { :end_inline_processEnvironment__wrappee__highWaterSensor } true;" "havoc processEnvironment_#t~ret17#1, processEnvironment_~tmp~4#1;assume { :end_inline_processEnvironment } true;" "assume { :begin_inline___utac_acc__Specification2_spec__2 } true;havoc __utac_acc__Specification2_spec__2_#t~ret10#1, __utac_acc__Specification2_spec__2_#t~ret11#1, __utac_acc__Specification2_spec__2_~tmp~1#1, __utac_acc__Specification2_spec__2_~tmp___0~0#1;havoc __utac_acc__Specification2_spec__2_~tmp~1#1;havoc __utac_acc__Specification2_spec__2_~tmp___0~0#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~0#1;havoc isMethaneLevelCritical_~retValue_acc~0#1;isMethaneLevelCritical_~retValue_acc~0#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~0#1;" "__utac_acc__Specification2_spec__2_#t~ret10#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~0#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification2_spec__2_~tmp~1#1 := __utac_acc__Specification2_spec__2_#t~ret10#1;havoc __utac_acc__Specification2_spec__2_#t~ret10#1;" "assume !(0 != __utac_acc__Specification2_spec__2_~tmp~1#1);~methAndRunningLastTime~0 := 0;" "havoc __utac_acc__Specification2_spec__2_#t~ret10#1, __utac_acc__Specification2_spec__2_#t~ret11#1, __utac_acc__Specification2_spec__2_~tmp~1#1, __utac_acc__Specification2_spec__2_~tmp___0~0#1;assume { :end_inline___utac_acc__Specification2_spec__2 } true;" "assume { :end_inline_timeShift } true;"
[2024-12-01 13:17:07,145 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-01 13:17:07,146 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 2 times
[2024-12-01 13:17:07,146 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM
[2024-12-01 13:17:07,146 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [475649125]
[2024-12-01 13:17:07,146 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-01 13:17:07,146 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-01 13:17:07,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-12-01 13:17:07,156 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-12-01 13:17:07,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-12-01 13:17:07,167 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace
[2024-12-01 13:17:07,167 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-01 13:17:07,167 INFO L85 PathProgramCache]: Analyzing trace with hash 1800176642, now seen corresponding path program 1 times
[2024-12-01 13:17:07,168 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM
[2024-12-01 13:17:07,168 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1786506995]
[2024-12-01 13:17:07,168 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-01 13:17:07,168 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-01 13:17:07,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-01 13:17:07,191 INFO L136 FreeRefinementEngine]: Strategy CAMEL_NO_AM found an infeasible trace
[2024-12-01 13:17:07,191 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1786506995]
[2024-12-01 13:17:07,191 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1786506995] provided 0 perfect and 1 imperfect interpolant sequences
[2024-12-01 13:17:07,191 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1495311650]
[2024-12-01 13:17:07,191 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-01 13:17:07,191 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-01 13:17:07,192 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f8f24fd-aa9b-4ed2-a17e-d52923b7aae5/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-01 13:17:07,194 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f8f24fd-aa9b-4ed2-a17e-d52923b7aae5/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-12-01 13:17:07,195 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f8f24fd-aa9b-4ed2-a17e-d52923b7aae5/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process
[2024-12-01 13:17:07,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-01 13:17:07,239 INFO L256 TraceCheckSpWp]: Trace formula consists of 33 conjuncts, 3 conjuncts are in the unsatisfiable core
[2024-12-01 13:17:07,240 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-12-01 13:17:07,249 INFO L312 TraceCheckSpWp]: Computing backward predicates...
[2024-12-01 13:17:07,259 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1495311650] provided 0 perfect and 2 imperfect interpolant sequences
[2024-12-01 13:17:07,259 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-12-01 13:17:07,259 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 3
[2024-12-01 13:17:07,260 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [999909722]
[2024-12-01 13:17:07,260 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-12-01 13:17:07,260 INFO L764 eck$LassoCheckResult]: loop already infeasible
[2024-12-01 13:17:07,260 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM
[2024-12-01 13:17:07,260 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-12-01 13:17:07,261 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-01 13:17:07,261 INFO L87 Difference]: Start difference. First operand 202 states and 274 transitions. cyclomatic complexity: 75 Second operand has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-01 13:17:07,369 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-01 13:17:07,369 INFO L93 Difference]: Finished difference Result 253 states and 329 transitions.
[2024-12-01 13:17:07,370 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 253 states and 329 transitions.
[2024-12-01 13:17:07,372 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 179
[2024-12-01 13:17:07,374 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 253 states to 253 states and 329 transitions.
[2024-12-01 13:17:07,374 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 253
[2024-12-01 13:17:07,375 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 253
[2024-12-01 13:17:07,375 INFO L73 IsDeterministic]: Start isDeterministic. Operand 253 states and 329 transitions.
[2024-12-01 13:17:07,376 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2024-12-01 13:17:07,376 INFO L218 hiAutomatonCegarLoop]: Abstraction has 253 states and 329 transitions.
[2024-12-01 13:17:07,377 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 253 states and 329 transitions.
[2024-12-01 13:17:07,385 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 253 to 253.
[2024-12-01 13:17:07,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 253 states, 253 states have (on average 1.300395256916996) internal successors, (329), 252 states have internal predecessors, (329), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-01 13:17:07,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 253 states and 329 transitions.
[2024-12-01 13:17:07,387 INFO L240 hiAutomatonCegarLoop]: Abstraction has 253 states and 329 transitions.
[2024-12-01 13:17:07,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-12-01 13:17:07,388 INFO L425 stractBuchiCegarLoop]: Abstraction has 253 states and 329 transitions.
[2024-12-01 13:17:07,388 INFO L332 stractBuchiCegarLoop]: ======== Iteration 3 ============
[2024-12-01 13:17:07,388 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 253 states and 329 transitions.
[2024-12-01 13:17:07,390 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 179
[2024-12-01 13:17:07,390 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false
[2024-12-01 13:17:07,390 INFO L119 BuchiIsEmpty]: Starting construction of run
[2024-12-01 13:17:07,391 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-01 13:17:07,391 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]
[2024-12-01 13:17:07,391 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);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~methAndRunningLastTime~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~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~ret9#1, main_~retValue_acc~3#1, main_~tmp~0#1;havoc main_~retValue_acc~3#1;havoc main_~tmp~0#1;assume { :begin_inline_select_helpers } true;" "assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true;" "assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~8#1;havoc valid_product_~retValue_acc~8#1;valid_product_~retValue_acc~8#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~8#1;" "main_#t~ret9#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~8#1;assume { :end_inline_valid_product } true;main_~tmp~0#1 := main_#t~ret9#1;havoc main_#t~ret9#1;" "assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true;" "assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification2_spec__1 } true;~methAndRunningLastTime~0 := 0;" "assume { :end_inline___utac_acc__Specification2_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet12#1, test_#t~nondet13#1, test_#t~nondet14#1, test_#t~nondet15#1, test_~splverifierCounter~0#1, test_~tmp~2#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~2#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0;"
[2024-12-01 13:17:07,391 INFO L749 eck$LassoCheckResult]: Loop: "assume test_~splverifierCounter~0#1 < 4;" "havoc test_#t~nondet12#1;test_~tmp~2#1 := test_#t~nondet12#1;havoc test_#t~nondet12#1;" "assume !(0 != test_~tmp~2#1);" "havoc test_#t~nondet13#1;test_~tmp___0~1#1 := test_#t~nondet13#1;havoc test_#t~nondet13#1;" "assume !(0 != test_~tmp___0~1#1);" "havoc test_#t~nondet14#1;test_~tmp___2~0#1 := test_#t~nondet14#1;havoc test_#t~nondet14#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~ret17#1, processEnvironment_~tmp~4#1;havoc processEnvironment_~tmp~4#1;" "assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__highWaterSensor } true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret16#1, processEnvironment__wrappee__highWaterSensor_~tmp~3#1;havoc processEnvironment__wrappee__highWaterSensor_~tmp~3#1;" "assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret27#1, isHighWaterLevel_~retValue_acc~6#1, isHighWaterLevel_~tmp~5#1, isHighWaterLevel_~tmp___0~2#1;havoc isHighWaterLevel_~retValue_acc~6#1;havoc isHighWaterLevel_~tmp~5#1;havoc isHighWaterLevel_~tmp___0~2#1;assume { :begin_inline_isHighWaterSensorDry } true;havoc isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~2#1;havoc isHighWaterSensorDry_~retValue_acc~2#1;" "assume !(~waterLevel~0 < 2);isHighWaterSensorDry_~retValue_acc~2#1 := 0;isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~2#1;" "isHighWaterLevel_#t~ret27#1 := isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~2#1;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~5#1 := isHighWaterLevel_#t~ret27#1;havoc isHighWaterLevel_#t~ret27#1;" "assume 0 != isHighWaterLevel_~tmp~5#1;isHighWaterLevel_~tmp___0~2#1 := 0;" "isHighWaterLevel_~retValue_acc~6#1 := isHighWaterLevel_~tmp___0~2#1;isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~6#1;" "processEnvironment__wrappee__highWaterSensor_#t~ret16#1 := isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret27#1, isHighWaterLevel_~retValue_acc~6#1, isHighWaterLevel_~tmp~5#1, isHighWaterLevel_~tmp___0~2#1;assume { :end_inline_isHighWaterLevel } true;processEnvironment__wrappee__highWaterSensor_~tmp~3#1 := processEnvironment__wrappee__highWaterSensor_#t~ret16#1;havoc processEnvironment__wrappee__highWaterSensor_#t~ret16#1;" "assume !(0 != processEnvironment__wrappee__highWaterSensor_~tmp~3#1);assume { :begin_inline_processEnvironment__wrappee__base } true;" "assume { :end_inline_processEnvironment__wrappee__base } true;" "havoc processEnvironment__wrappee__highWaterSensor_#t~ret16#1, processEnvironment__wrappee__highWaterSensor_~tmp~3#1;assume { :end_inline_processEnvironment__wrappee__highWaterSensor } true;" "havoc processEnvironment_#t~ret17#1, processEnvironment_~tmp~4#1;assume { :end_inline_processEnvironment } true;" "assume { :begin_inline___utac_acc__Specification2_spec__2 } true;havoc __utac_acc__Specification2_spec__2_#t~ret10#1, __utac_acc__Specification2_spec__2_#t~ret11#1, __utac_acc__Specification2_spec__2_~tmp~1#1, __utac_acc__Specification2_spec__2_~tmp___0~0#1;havoc __utac_acc__Specification2_spec__2_~tmp~1#1;havoc __utac_acc__Specification2_spec__2_~tmp___0~0#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~0#1;havoc isMethaneLevelCritical_~retValue_acc~0#1;isMethaneLevelCritical_~retValue_acc~0#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~0#1;" "__utac_acc__Specification2_spec__2_#t~ret10#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~0#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification2_spec__2_~tmp~1#1 := __utac_acc__Specification2_spec__2_#t~ret10#1;havoc __utac_acc__Specification2_spec__2_#t~ret10#1;" "assume !(0 != __utac_acc__Specification2_spec__2_~tmp~1#1);~methAndRunningLastTime~0 := 0;" "havoc __utac_acc__Specification2_spec__2_#t~ret10#1, __utac_acc__Specification2_spec__2_#t~ret11#1, __utac_acc__Specification2_spec__2_~tmp~1#1, __utac_acc__Specification2_spec__2_~tmp___0~0#1;assume { :end_inline___utac_acc__Specification2_spec__2 } true;" "assume { :end_inline_timeShift } true;"
[2024-12-01 13:17:07,392 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-01 13:17:07,392 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 3 times
[2024-12-01 13:17:07,392 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM
[2024-12-01 13:17:07,392 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1733083838]
[2024-12-01 13:17:07,392 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-01 13:17:07,392 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-01 13:17:07,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-12-01 13:17:07,402 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-12-01 13:17:07,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-12-01 13:17:07,411 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace
[2024-12-01 13:17:07,412 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-01 13:17:07,412 INFO L85 PathProgramCache]: Analyzing trace with hash -1789694984, now seen corresponding path program 1 times
[2024-12-01 13:17:07,412 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM
[2024-12-01 13:17:07,412 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1632161632]
[2024-12-01 13:17:07,412 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-01 13:17:07,412 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-01 13:17:07,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-01 13:17:07,484 INFO L136 FreeRefinementEngine]: Strategy CAMEL_NO_AM found an infeasible trace
[2024-12-01 13:17:07,484 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1632161632]
[2024-12-01 13:17:07,484 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1632161632] provided 0 perfect and 1 imperfect interpolant sequences
[2024-12-01 13:17:07,484 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2054628108]
[2024-12-01 13:17:07,484 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-01 13:17:07,484 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-01 13:17:07,484 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f8f24fd-aa9b-4ed2-a17e-d52923b7aae5/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-01 13:17:07,486 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f8f24fd-aa9b-4ed2-a17e-d52923b7aae5/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-12-01 13:17:07,488 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f8f24fd-aa9b-4ed2-a17e-d52923b7aae5/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process
[2024-12-01 13:17:07,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-01 13:17:07,535 INFO L256 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 7 conjuncts are in the unsatisfiable core
[2024-12-01 13:17:07,537 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-12-01 13:17:07,547 INFO L312 TraceCheckSpWp]: Computing backward predicates...
[2024-12-01 13:17:07,556 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2054628108] provided 0 perfect and 2 imperfect interpolant sequences
[2024-12-01 13:17:07,556 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-12-01 13:17:07,557 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 4
[2024-12-01 13:17:07,557 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1157451082]
[2024-12-01 13:17:07,557 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-12-01 13:17:07,557 INFO L764 eck$LassoCheckResult]: loop already infeasible
[2024-12-01 13:17:07,557 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM
[2024-12-01 13:17:07,558 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-12-01 13:17:07,558 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-12-01 13:17:07,558 INFO L87 Difference]: Start difference. First operand 253 states and 329 transitions. cyclomatic complexity: 79 Second operand has 4 states, 4 states have (on average 6.5) internal successors, (26), 4 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-01 13:17:07,651 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-01 13:17:07,651 INFO L93 Difference]: Finished difference Result 265 states and 341 transitions.
[2024-12-01 13:17:07,652 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 265 states and 341 transitions.
[2024-12-01 13:17:07,654 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 187
[2024-12-01 13:17:07,656 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 265 states to 265 states and 341 transitions.
[2024-12-01 13:17:07,656 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 265
[2024-12-01 13:17:07,656 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 265
[2024-12-01 13:17:07,656 INFO L73 IsDeterministic]: Start isDeterministic. Operand 265 states and 341 transitions.
[2024-12-01 13:17:07,658 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2024-12-01 13:17:07,658 INFO L218 hiAutomatonCegarLoop]: Abstraction has 265 states and 341 transitions.
[2024-12-01 13:17:07,658 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 265 states and 341 transitions.
[2024-12-01 13:17:07,665 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 265 to 265.
[2024-12-01 13:17:07,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 265 states, 265 states have (on average 1.2867924528301886) internal successors, (341), 264 states have internal predecessors, (341), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-01 13:17:07,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 265 states and 341 transitions.
[2024-12-01 13:17:07,667 INFO L240 hiAutomatonCegarLoop]: Abstraction has 265 states and 341 transitions.
[2024-12-01 13:17:07,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-12-01 13:17:07,668 INFO L425 stractBuchiCegarLoop]: Abstraction has 265 states and 341 transitions.
[2024-12-01 13:17:07,668 INFO L332 stractBuchiCegarLoop]: ======== Iteration 4 ============
[2024-12-01 13:17:07,668 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 265 states and 341 transitions.
[2024-12-01 13:17:07,670 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 187
[2024-12-01 13:17:07,670 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false
[2024-12-01 13:17:07,670 INFO L119 BuchiIsEmpty]: Starting construction of run
[2024-12-01 13:17:07,671 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-01 13:17:07,671 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]
[2024-12-01 13:17:07,671 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);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~methAndRunningLastTime~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~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~ret9#1, main_~retValue_acc~3#1, main_~tmp~0#1;havoc main_~retValue_acc~3#1;havoc main_~tmp~0#1;assume { :begin_inline_select_helpers } true;" "assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true;" "assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~8#1;havoc valid_product_~retValue_acc~8#1;valid_product_~retValue_acc~8#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~8#1;" "main_#t~ret9#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~8#1;assume { :end_inline_valid_product } true;main_~tmp~0#1 := main_#t~ret9#1;havoc main_#t~ret9#1;" "assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true;" "assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification2_spec__1 } true;~methAndRunningLastTime~0 := 0;" "assume { :end_inline___utac_acc__Specification2_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet12#1, test_#t~nondet13#1, test_#t~nondet14#1, test_#t~nondet15#1, test_~splverifierCounter~0#1, test_~tmp~2#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~2#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0;"
[2024-12-01 13:17:07,671 INFO L749 eck$LassoCheckResult]: Loop: "assume test_~splverifierCounter~0#1 < 4;" "havoc test_#t~nondet12#1;test_~tmp~2#1 := test_#t~nondet12#1;havoc test_#t~nondet12#1;" "assume !(0 != test_~tmp~2#1);" "havoc test_#t~nondet13#1;test_~tmp___0~1#1 := test_#t~nondet13#1;havoc test_#t~nondet13#1;" "assume !(0 != test_~tmp___0~1#1);" "havoc test_#t~nondet14#1;test_~tmp___2~0#1 := test_#t~nondet14#1;havoc test_#t~nondet14#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~ret17#1, processEnvironment_~tmp~4#1;havoc processEnvironment_~tmp~4#1;" "assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__highWaterSensor } true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret16#1, processEnvironment__wrappee__highWaterSensor_~tmp~3#1;havoc processEnvironment__wrappee__highWaterSensor_~tmp~3#1;" "assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret27#1, isHighWaterLevel_~retValue_acc~6#1, isHighWaterLevel_~tmp~5#1, isHighWaterLevel_~tmp___0~2#1;havoc isHighWaterLevel_~retValue_acc~6#1;havoc isHighWaterLevel_~tmp~5#1;havoc isHighWaterLevel_~tmp___0~2#1;assume { :begin_inline_isHighWaterSensorDry } true;havoc isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~2#1;havoc isHighWaterSensorDry_~retValue_acc~2#1;" "assume !(~waterLevel~0 < 2);isHighWaterSensorDry_~retValue_acc~2#1 := 0;isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~2#1;" "isHighWaterLevel_#t~ret27#1 := isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~2#1;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~5#1 := isHighWaterLevel_#t~ret27#1;havoc isHighWaterLevel_#t~ret27#1;" "assume !(0 != isHighWaterLevel_~tmp~5#1);isHighWaterLevel_~tmp___0~2#1 := 1;" "isHighWaterLevel_~retValue_acc~6#1 := isHighWaterLevel_~tmp___0~2#1;isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~6#1;" "processEnvironment__wrappee__highWaterSensor_#t~ret16#1 := isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret27#1, isHighWaterLevel_~retValue_acc~6#1, isHighWaterLevel_~tmp~5#1, isHighWaterLevel_~tmp___0~2#1;assume { :end_inline_isHighWaterLevel } true;processEnvironment__wrappee__highWaterSensor_~tmp~3#1 := processEnvironment__wrappee__highWaterSensor_#t~ret16#1;havoc processEnvironment__wrappee__highWaterSensor_#t~ret16#1;" "assume !(0 != processEnvironment__wrappee__highWaterSensor_~tmp~3#1);assume { :begin_inline_processEnvironment__wrappee__base } true;" "assume { :end_inline_processEnvironment__wrappee__base } true;" "havoc processEnvironment__wrappee__highWaterSensor_#t~ret16#1, processEnvironment__wrappee__highWaterSensor_~tmp~3#1;assume { :end_inline_processEnvironment__wrappee__highWaterSensor } true;" "havoc processEnvironment_#t~ret17#1, processEnvironment_~tmp~4#1;assume { :end_inline_processEnvironment } true;" "assume { :begin_inline___utac_acc__Specification2_spec__2 } true;havoc __utac_acc__Specification2_spec__2_#t~ret10#1, __utac_acc__Specification2_spec__2_#t~ret11#1, __utac_acc__Specification2_spec__2_~tmp~1#1, __utac_acc__Specification2_spec__2_~tmp___0~0#1;havoc __utac_acc__Specification2_spec__2_~tmp~1#1;havoc __utac_acc__Specification2_spec__2_~tmp___0~0#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~0#1;havoc isMethaneLevelCritical_~retValue_acc~0#1;isMethaneLevelCritical_~retValue_acc~0#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~0#1;" "__utac_acc__Specification2_spec__2_#t~ret10#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~0#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification2_spec__2_~tmp~1#1 := __utac_acc__Specification2_spec__2_#t~ret10#1;havoc __utac_acc__Specification2_spec__2_#t~ret10#1;" "assume !(0 != __utac_acc__Specification2_spec__2_~tmp~1#1);~methAndRunningLastTime~0 := 0;" "havoc __utac_acc__Specification2_spec__2_#t~ret10#1, __utac_acc__Specification2_spec__2_#t~ret11#1, __utac_acc__Specification2_spec__2_~tmp~1#1, __utac_acc__Specification2_spec__2_~tmp___0~0#1;assume { :end_inline___utac_acc__Specification2_spec__2 } true;" "assume { :end_inline_timeShift } true;"
[2024-12-01 13:17:07,672 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-01 13:17:07,672 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 4 times
[2024-12-01 13:17:07,672 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM
[2024-12-01 13:17:07,672 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [131168666]
[2024-12-01 13:17:07,672 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-01 13:17:07,672 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-01 13:17:07,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-12-01 13:17:07,680 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-12-01 13:17:07,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-12-01 13:17:07,687 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace
[2024-12-01 13:17:07,688 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-01 13:17:07,688 INFO L85 PathProgramCache]: Analyzing trace with hash -1531529546, now seen corresponding path program 1 times
[2024-12-01 13:17:07,688 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM
[2024-12-01 13:17:07,688 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1854042479]
[2024-12-01 13:17:07,688 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-01 13:17:07,688 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-01 13:17:07,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-01 13:17:07,754 INFO L136 FreeRefinementEngine]: Strategy CAMEL_NO_AM found an infeasible trace
[2024-12-01 13:17:07,754 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1854042479]
[2024-12-01 13:17:07,754 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1854042479] provided 0 perfect and 1 imperfect interpolant sequences
[2024-12-01 13:17:07,754 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [544722484]
[2024-12-01 13:17:07,754 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-01 13:17:07,754 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-01 13:17:07,754 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f8f24fd-aa9b-4ed2-a17e-d52923b7aae5/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-01 13:17:07,757 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f8f24fd-aa9b-4ed2-a17e-d52923b7aae5/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-12-01 13:17:07,760 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f8f24fd-aa9b-4ed2-a17e-d52923b7aae5/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process
[2024-12-01 13:17:07,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-01 13:17:07,813 INFO L256 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 5 conjuncts are in the unsatisfiable core
[2024-12-01 13:17:07,815 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-12-01 13:17:07,848 INFO L312 TraceCheckSpWp]: Computing backward predicates...
[2024-12-01 13:17:07,880 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [544722484] provided 0 perfect and 2 imperfect interpolant sequences
[2024-12-01 13:17:07,880 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-12-01 13:17:07,881 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 8
[2024-12-01 13:17:07,881 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [700957216]
[2024-12-01 13:17:07,881 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-12-01 13:17:07,881 INFO L764 eck$LassoCheckResult]: loop already infeasible
[2024-12-01 13:17:07,881 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM
[2024-12-01 13:17:07,882 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2024-12-01 13:17:07,882 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56
[2024-12-01 13:17:07,882 INFO L87 Difference]: Start difference. First operand 265 states and 341 transitions. cyclomatic complexity: 79 Second operand has 8 states, 8 states have (on average 3.75) internal successors, (30), 8 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-01 13:17:08,042 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-01 13:17:08,042 INFO L93 Difference]: Finished difference Result 283 states and 359 transitions.
[2024-12-01 13:17:08,042 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 283 states and 359 transitions.
[2024-12-01 13:17:08,045 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 199
[2024-12-01 13:17:08,047 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 283 states to 283 states and 359 transitions.
[2024-12-01 13:17:08,047 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 283
[2024-12-01 13:17:08,047 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 283
[2024-12-01 13:17:08,047 INFO L73 IsDeterministic]: Start isDeterministic. Operand 283 states and 359 transitions.
[2024-12-01 13:17:08,048 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2024-12-01 13:17:08,048 INFO L218 hiAutomatonCegarLoop]: Abstraction has 283 states and 359 transitions.
[2024-12-01 13:17:08,048 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 283 states and 359 transitions.
[2024-12-01 13:17:08,055 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 283 to 283.
[2024-12-01 13:17:08,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 283 states, 283 states have (on average 1.2685512367491165) internal successors, (359), 282 states have internal predecessors, (359), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-01 13:17:08,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 283 states and 359 transitions.
[2024-12-01 13:17:08,057 INFO L240 hiAutomatonCegarLoop]: Abstraction has 283 states and 359 transitions.
[2024-12-01 13:17:08,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2024-12-01 13:17:08,058 INFO L425 stractBuchiCegarLoop]: Abstraction has 283 states and 359 transitions.
[2024-12-01 13:17:08,059 INFO L332 stractBuchiCegarLoop]: ======== Iteration 5 ============
[2024-12-01 13:17:08,059 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 283 states and 359 transitions.
[2024-12-01 13:17:08,061 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 199
[2024-12-01 13:17:08,061 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false
[2024-12-01 13:17:08,061 INFO L119 BuchiIsEmpty]: Starting construction of run
[2024-12-01 13:17:08,061 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-01 13:17:08,061 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]
[2024-12-01 13:17:08,062 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);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~methAndRunningLastTime~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~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~ret9#1, main_~retValue_acc~3#1, main_~tmp~0#1;havoc main_~retValue_acc~3#1;havoc main_~tmp~0#1;assume { :begin_inline_select_helpers } true;" "assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true;" "assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~8#1;havoc valid_product_~retValue_acc~8#1;valid_product_~retValue_acc~8#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~8#1;" "main_#t~ret9#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~8#1;assume { :end_inline_valid_product } true;main_~tmp~0#1 := main_#t~ret9#1;havoc main_#t~ret9#1;" "assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true;" "assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification2_spec__1 } true;~methAndRunningLastTime~0 := 0;" "assume { :end_inline___utac_acc__Specification2_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet12#1, test_#t~nondet13#1, test_#t~nondet14#1, test_#t~nondet15#1, test_~splverifierCounter~0#1, test_~tmp~2#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~2#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0;"
[2024-12-01 13:17:08,062 INFO L749 eck$LassoCheckResult]: Loop: "assume test_~splverifierCounter~0#1 < 4;" "havoc test_#t~nondet12#1;test_~tmp~2#1 := test_#t~nondet12#1;havoc test_#t~nondet12#1;" "assume !(0 != test_~tmp~2#1);" "havoc test_#t~nondet13#1;test_~tmp___0~1#1 := test_#t~nondet13#1;havoc test_#t~nondet13#1;" "assume !(0 != test_~tmp___0~1#1);" "havoc test_#t~nondet14#1;test_~tmp___2~0#1 := test_#t~nondet14#1;havoc test_#t~nondet14#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~ret17#1, processEnvironment_~tmp~4#1;havoc processEnvironment_~tmp~4#1;" "assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__highWaterSensor } true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret16#1, processEnvironment__wrappee__highWaterSensor_~tmp~3#1;havoc processEnvironment__wrappee__highWaterSensor_~tmp~3#1;" "assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret27#1, isHighWaterLevel_~retValue_acc~6#1, isHighWaterLevel_~tmp~5#1, isHighWaterLevel_~tmp___0~2#1;havoc isHighWaterLevel_~retValue_acc~6#1;havoc isHighWaterLevel_~tmp~5#1;havoc isHighWaterLevel_~tmp___0~2#1;assume { :begin_inline_isHighWaterSensorDry } true;havoc isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~2#1;havoc isHighWaterSensorDry_~retValue_acc~2#1;" "assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~2#1 := 1;isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~2#1;" "isHighWaterLevel_#t~ret27#1 := isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~2#1;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~5#1 := isHighWaterLevel_#t~ret27#1;havoc isHighWaterLevel_#t~ret27#1;" "assume 0 != isHighWaterLevel_~tmp~5#1;isHighWaterLevel_~tmp___0~2#1 := 0;" "isHighWaterLevel_~retValue_acc~6#1 := isHighWaterLevel_~tmp___0~2#1;isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~6#1;" "processEnvironment__wrappee__highWaterSensor_#t~ret16#1 := isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret27#1, isHighWaterLevel_~retValue_acc~6#1, isHighWaterLevel_~tmp~5#1, isHighWaterLevel_~tmp___0~2#1;assume { :end_inline_isHighWaterLevel } true;processEnvironment__wrappee__highWaterSensor_~tmp~3#1 := processEnvironment__wrappee__highWaterSensor_#t~ret16#1;havoc processEnvironment__wrappee__highWaterSensor_#t~ret16#1;" "assume !(0 != processEnvironment__wrappee__highWaterSensor_~tmp~3#1);assume { :begin_inline_processEnvironment__wrappee__base } true;" "assume { :end_inline_processEnvironment__wrappee__base } true;" "havoc processEnvironment__wrappee__highWaterSensor_#t~ret16#1, processEnvironment__wrappee__highWaterSensor_~tmp~3#1;assume { :end_inline_processEnvironment__wrappee__highWaterSensor } true;" "havoc processEnvironment_#t~ret17#1, processEnvironment_~tmp~4#1;assume { :end_inline_processEnvironment } true;" "assume { :begin_inline___utac_acc__Specification2_spec__2 } true;havoc __utac_acc__Specification2_spec__2_#t~ret10#1, __utac_acc__Specification2_spec__2_#t~ret11#1, __utac_acc__Specification2_spec__2_~tmp~1#1, __utac_acc__Specification2_spec__2_~tmp___0~0#1;havoc __utac_acc__Specification2_spec__2_~tmp~1#1;havoc __utac_acc__Specification2_spec__2_~tmp___0~0#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~0#1;havoc isMethaneLevelCritical_~retValue_acc~0#1;isMethaneLevelCritical_~retValue_acc~0#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~0#1;" "__utac_acc__Specification2_spec__2_#t~ret10#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~0#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification2_spec__2_~tmp~1#1 := __utac_acc__Specification2_spec__2_#t~ret10#1;havoc __utac_acc__Specification2_spec__2_#t~ret10#1;" "assume !(0 != __utac_acc__Specification2_spec__2_~tmp~1#1);~methAndRunningLastTime~0 := 0;" "havoc __utac_acc__Specification2_spec__2_#t~ret10#1, __utac_acc__Specification2_spec__2_#t~ret11#1, __utac_acc__Specification2_spec__2_~tmp~1#1, __utac_acc__Specification2_spec__2_~tmp___0~0#1;assume { :end_inline___utac_acc__Specification2_spec__2 } true;" "assume { :end_inline_timeShift } true;"
[2024-12-01 13:17:08,062 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-01 13:17:08,062 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 5 times
[2024-12-01 13:17:08,062 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM
[2024-12-01 13:17:08,062 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [472337846]
[2024-12-01 13:17:08,062 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-01 13:17:08,063 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-01 13:17:08,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-12-01 13:17:08,070 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-12-01 13:17:08,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-12-01 13:17:08,076 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace
[2024-12-01 13:17:08,077 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-01 13:17:08,077 INFO L85 PathProgramCache]: Analyzing trace with hash -778577734, now seen corresponding path program 1 times
[2024-12-01 13:17:08,077 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM
[2024-12-01 13:17:08,077 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [699167461]
[2024-12-01 13:17:08,077 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-01 13:17:08,077 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-01 13:17:08,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-12-01 13:17:08,086 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-12-01 13:17:08,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-12-01 13:17:08,094 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace
[2024-12-01 13:17:08,095 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-01 13:17:08,095 INFO L85 PathProgramCache]: Analyzing trace with hash -80332189, now seen corresponding path program 1 times
[2024-12-01 13:17:08,095 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM
[2024-12-01 13:17:08,095 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [411161524]
[2024-12-01 13:17:08,095 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-01 13:17:08,095 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-01 13:17:08,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-12-01 13:17:08,107 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-12-01 13:17:08,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-12-01 13:17:08,128 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace
[2024-12-01 13:17:09,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-12-01 13:17:09,133 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-12-01 13:17:09,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-12-01 13:17:09,186 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 01.12 01:17:09 BoogieIcfgContainer
[2024-12-01 13:17:09,187 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer----------------------------
[2024-12-01 13:17:09,187 INFO L112 PluginConnector]: ------------------------Witness Printer----------------------------
[2024-12-01 13:17:09,187 INFO L270 PluginConnector]: Initializing Witness Printer...
[2024-12-01 13:17:09,187 INFO L274 PluginConnector]: Witness Printer initialized
[2024-12-01 13:17:09,188 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 01:17:06" (3/4) ...
[2024-12-01 13:17:09,190 INFO L143 WitnessPrinter]: Generating witness for non-termination counterexample
[2024-12-01 13:17:09,226 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f8f24fd-aa9b-4ed2-a17e-d52923b7aae5/bin/uautomizer-verify-84ZbGMXZE1/witness.graphml
[2024-12-01 13:17:09,226 INFO L131 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2024-12-01 13:17:09,227 INFO L158 Benchmark]: Toolchain (without parser) took 3914.37ms. Allocated memory was 117.4MB in the beginning and 201.3MB in the end (delta: 83.9MB). Free memory was 91.9MB in the beginning and 159.0MB in the end (delta: -67.1MB). Peak memory consumption was 18.3MB. Max. memory is 16.1GB.
[2024-12-01 13:17:09,227 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 117.4MB. Free memory is still 72.7MB. There was no memory consumed. Max. memory is 16.1GB.
[2024-12-01 13:17:09,228 INFO L158 Benchmark]: CACSL2BoogieTranslator took 315.47ms. Allocated memory is still 117.4MB. Free memory was 91.9MB in the beginning and 73.7MB in the end (delta: 18.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
[2024-12-01 13:17:09,228 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.54ms. Allocated memory is still 117.4MB. Free memory was 73.4MB in the beginning and 70.6MB in the end (delta: 2.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-12-01 13:17:09,228 INFO L158 Benchmark]: Boogie Preprocessor took 45.34ms. Allocated memory is still 117.4MB. Free memory was 70.6MB in the beginning and 67.9MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-12-01 13:17:09,229 INFO L158 Benchmark]: RCFGBuilder took 467.95ms. Allocated memory is still 117.4MB. Free memory was 67.9MB in the beginning and 42.7MB in the end (delta: 25.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB.
[2024-12-01 13:17:09,229 INFO L158 Benchmark]: BuchiAutomizer took 2996.24ms. Allocated memory was 117.4MB in the beginning and 201.3MB in the end (delta: 83.9MB). Free memory was 42.7MB in the beginning and 160.9MB in the end (delta: -118.1MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-12-01 13:17:09,229 INFO L158 Benchmark]: Witness Printer took 39.22ms. Allocated memory is still 201.3MB. Free memory was 160.9MB in the beginning and 159.0MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-12-01 13:17:09,231 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.32ms. Allocated memory is still 117.4MB. Free memory is still 72.7MB. There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 315.47ms. Allocated memory is still 117.4MB. Free memory was 91.9MB in the beginning and 73.7MB in the end (delta: 18.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 45.54ms. Allocated memory is still 117.4MB. Free memory was 73.4MB in the beginning and 70.6MB in the end (delta: 2.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
* Boogie Preprocessor took 45.34ms. Allocated memory is still 117.4MB. Free memory was 70.6MB in the beginning and 67.9MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB.
* RCFGBuilder took 467.95ms. Allocated memory is still 117.4MB. Free memory was 67.9MB in the beginning and 42.7MB in the end (delta: 25.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB.
* BuchiAutomizer took 2996.24ms. Allocated memory was 117.4MB in the beginning and 201.3MB in the end (delta: 83.9MB). Free memory was 42.7MB in the beginning and 160.9MB in the end (delta: -118.1MB). There was no memory consumed. Max. memory is 16.1GB.
* Witness Printer took 39.22ms. Allocated memory is still 201.3MB. Free memory was 160.9MB in the beginning and 159.0MB in the end (delta: 1.8MB). 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,"Environment.i","") [49]
- GenericResultAtLocation [Line: 150]: Unsoundness Warning
Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [150]
- GenericResultAtLocation [Line: 254]: Unsoundness Warning
Ignoring preprocessor pragma C: #pragma merger(0,"Specification2_spec.i","") [254]
- GenericResultAtLocation [Line: 295]: Unsoundness Warning
Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [295]
- GenericResultAtLocation [Line: 304]: Unsoundness Warning
Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [304]
- GenericResultAtLocation [Line: 372]: Unsoundness Warning
Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [372]
- GenericResultAtLocation [Line: 567]: Unsoundness Warning
Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [567]
- GenericResultAtLocation [Line: 602]: Unsoundness Warning
Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [602]
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- StatisticsResult: Constructed decomposition of program
Your program was decomposed into 4 terminating modules (4 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.4 modules have a trivial ranking function, the largest among these consists of 8 locations. The remainder module has 283 locations.
- StatisticsResult: Timing statistics
BüchiAutomizer plugin needed 2.9s and 5 iterations. TraceHistogramMax:1. Analysis of lassos took 2.2s. Construction of modules took 0.2s. Büchi inclusion checks took 0.3s. Highest rank in rank-based complementation 0. Minimization of det autom 4. Minimization of nondet autom 0. Automata minimization 0.1s AutomataMinimizationTime, 4 MinimizatonAttempts, 143 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 725 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 725 mSDsluCounter, 2850 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2050 mSDsCounter, 72 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 331 IncrementalHoareTripleChecker+Invalid, 403 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 72 mSolverCounterUnsat, 800 mSDtfsCounter, 331 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI3 SFLT0 conc1 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s
- TerminationAnalysisResult: Nontermination possible
Buchi Automizer proved that your program is nonterminating for some inputs
- LassoShapedNonTerminationArgument [Line: 318]: Nontermination argument in form of an infinite program execution.
Nontermination argument in form of an infinite program execution.
Stem:
[L57] int waterLevel = 1;
[L58] int methaneLevelCritical = 0;
[L151] int cleanupTimeShifts = 4;
[L257] int methAndRunningLastTime ;
[L375] int pumpRunning = 0;
[L376] int systemActive = 1;
[L772] static struct __ACC__ERR *head = (struct __ACC__ERR *)0;
VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1]
[L232] int retValue_acc ;
[L233] int tmp ;
[L237] FCALL select_helpers()
[L238] FCALL select_features()
[L239] CALL, EXPR valid_product()
[L594] int retValue_acc ;
[L597] retValue_acc = 1
[L598] return (retValue_acc);
VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1]
[L239] RET, EXPR valid_product()
[L239] tmp = valid_product()
[L241] COND TRUE \read(tmp)
[L243] FCALL setup()
[L244] CALL runTest()
[L222] CALL __utac_acc__Specification2_spec__1()
[L262] methAndRunningLastTime = 0
VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1]
[L222] RET __utac_acc__Specification2_spec__1()
[L223] CALL test()
[L307] int splverifierCounter ;
[L308] int tmp ;
[L309] int tmp___0 ;
[L310] int tmp___1 ;
[L311] int tmp___2 ;
[L314] splverifierCounter = 0
VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1]
Loop:
[L318] COND TRUE splverifierCounter < 4
[L324] tmp = __VERIFIER_nondet_int()
[L326] COND FALSE !(\read(tmp))
[L334] tmp___0 = __VERIFIER_nondet_int()
[L336] COND FALSE !(\read(tmp___0))
[L344] tmp___2 = __VERIFIER_nondet_int()
[L346] COND TRUE \read(tmp___2)
[L361] CALL timeShift()
[L382] COND FALSE !(\read(pumpRunning))
[L389] COND TRUE \read(systemActive)
[L391] CALL processEnvironment()
[L437] int tmp ;
[L440] COND FALSE !(\read(pumpRunning))
[L455] CALL processEnvironment__wrappee__highWaterSensor()
[L411] int tmp ;
[L414] COND TRUE ! pumpRunning
[L416] CALL, EXPR isHighWaterLevel()
[L534] int retValue_acc ;
[L535] int tmp ;
[L536] int tmp___0 ;
[L540] CALL, EXPR isHighWaterSensorDry()
[L137] int retValue_acc ;
[L140] COND TRUE waterLevel < 2
[L141] retValue_acc = 1
[L142] return (retValue_acc);
[L540] RET, EXPR isHighWaterSensorDry()
[L540] tmp = isHighWaterSensorDry()
[L542] COND TRUE \read(tmp)
[L543] tmp___0 = 0
[L547] retValue_acc = tmp___0
[L548] return (retValue_acc);
[L416] RET, EXPR isHighWaterLevel()
[L416] tmp = isHighWaterLevel()
[L418] COND FALSE !(\read(tmp))
[L424] FCALL processEnvironment__wrappee__base()
[L455] RET processEnvironment__wrappee__highWaterSensor()
[L391] RET processEnvironment()
[L397] CALL __utac_acc__Specification2_spec__2()
[L267] int tmp ;
[L268] int tmp___0 ;
[L272] CALL, EXPR isMethaneLevelCritical()
[L96] int retValue_acc ;
[L99] retValue_acc = methaneLevelCritical
[L100] return (retValue_acc);
[L272] RET, EXPR isMethaneLevelCritical()
[L272] tmp = isMethaneLevelCritical()
[L274] COND FALSE !(\read(tmp))
[L290] methAndRunningLastTime = 0
[L397] RET __utac_acc__Specification2_spec__2()
[L361] RET timeShift()
End of lasso representation.
- StatisticsResult: NonterminationArgumentStatistics
Fixpoint
- NonterminatingLassoResult [Line: 318]: Nonterminating execution
Found a nonterminating execution for the following lasso shaped sequence of statements.
Stem:
[L57] int waterLevel = 1;
[L58] int methaneLevelCritical = 0;
[L151] int cleanupTimeShifts = 4;
[L257] int methAndRunningLastTime ;
[L375] int pumpRunning = 0;
[L376] int systemActive = 1;
[L772] static struct __ACC__ERR *head = (struct __ACC__ERR *)0;
VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1]
[L232] int retValue_acc ;
[L233] int tmp ;
[L237] FCALL select_helpers()
[L238] FCALL select_features()
[L239] CALL, EXPR valid_product()
[L594] int retValue_acc ;
[L597] retValue_acc = 1
[L598] return (retValue_acc);
VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1]
[L239] RET, EXPR valid_product()
[L239] tmp = valid_product()
[L241] COND TRUE \read(tmp)
[L243] FCALL setup()
[L244] CALL runTest()
[L222] CALL __utac_acc__Specification2_spec__1()
[L262] methAndRunningLastTime = 0
VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1]
[L222] RET __utac_acc__Specification2_spec__1()
[L223] CALL test()
[L307] int splverifierCounter ;
[L308] int tmp ;
[L309] int tmp___0 ;
[L310] int tmp___1 ;
[L311] int tmp___2 ;
[L314] splverifierCounter = 0
VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1]
Loop:
[L318] COND TRUE splverifierCounter < 4
[L324] tmp = __VERIFIER_nondet_int()
[L326] COND FALSE !(\read(tmp))
[L334] tmp___0 = __VERIFIER_nondet_int()
[L336] COND FALSE !(\read(tmp___0))
[L344] tmp___2 = __VERIFIER_nondet_int()
[L346] COND TRUE \read(tmp___2)
[L361] CALL timeShift()
[L382] COND FALSE !(\read(pumpRunning))
[L389] COND TRUE \read(systemActive)
[L391] CALL processEnvironment()
[L437] int tmp ;
[L440] COND FALSE !(\read(pumpRunning))
[L455] CALL processEnvironment__wrappee__highWaterSensor()
[L411] int tmp ;
[L414] COND TRUE ! pumpRunning
[L416] CALL, EXPR isHighWaterLevel()
[L534] int retValue_acc ;
[L535] int tmp ;
[L536] int tmp___0 ;
[L540] CALL, EXPR isHighWaterSensorDry()
[L137] int retValue_acc ;
[L140] COND TRUE waterLevel < 2
[L141] retValue_acc = 1
[L142] return (retValue_acc);
[L540] RET, EXPR isHighWaterSensorDry()
[L540] tmp = isHighWaterSensorDry()
[L542] COND TRUE \read(tmp)
[L543] tmp___0 = 0
[L547] retValue_acc = tmp___0
[L548] return (retValue_acc);
[L416] RET, EXPR isHighWaterLevel()
[L416] tmp = isHighWaterLevel()
[L418] COND FALSE !(\read(tmp))
[L424] FCALL processEnvironment__wrappee__base()
[L455] RET processEnvironment__wrappee__highWaterSensor()
[L391] RET processEnvironment()
[L397] CALL __utac_acc__Specification2_spec__2()
[L267] int tmp ;
[L268] int tmp___0 ;
[L272] CALL, EXPR isMethaneLevelCritical()
[L96] int retValue_acc ;
[L99] retValue_acc = methaneLevelCritical
[L100] return (retValue_acc);
[L272] RET, EXPR isMethaneLevelCritical()
[L272] tmp = isMethaneLevelCritical()
[L274] COND FALSE !(\read(tmp))
[L290] methAndRunningLastTime = 0
[L397] RET __utac_acc__Specification2_spec__2()
[L361] RET timeShift()
End of lasso representation.
RESULT: Ultimate proved your program to be incorrect!
[2024-12-01 13:17:09,245 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f8f24fd-aa9b-4ed2-a17e-d52923b7aae5/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0
[2024-12-01 13:17:09,445 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f8f24fd-aa9b-4ed2-a17e-d52923b7aae5/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0
[2024-12-01 13:17:09,645 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f8f24fd-aa9b-4ed2-a17e-d52923b7aae5/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0
[2024-12-01 13:17:09,846 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f8f24fd-aa9b-4ed2-a17e-d52923b7aae5/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0
[2024-12-01 13:17:10,047 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f8f24fd-aa9b-4ed2-a17e-d52923b7aae5/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0
Received shutdown request...
--- End real Ultimate output ---
Execution finished normally
Writing output log to file Ultimate.log
Writing human readable error path to file UltimateCounterExample.errorpath
Result:
FALSE(TERM)